diff options
| author | SND\MaddTheSane_cp <SND\MaddTheSane_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97> | 2013-08-22 20:05:38 +0000 |
|---|---|---|
| committer | SND\MaddTheSane_cp <SND\MaddTheSane_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97> | 2013-08-22 20:05:38 +0000 |
| commit | 9628a367530657e7fefb17be0a125dbe3f5d7614 (patch) | |
| tree | baceff9a417edb789ad675372d364bb33aea82c4 /macosx/plugins/Common | |
| parent | 105868aa85053f9597d6099e8d25d6ef8e0f992a (diff) | |
| download | pcsxr-9628a367530657e7fefb17be0a125dbe3f5d7614.tar.gz | |
Use SDL2.framework from /Library/Frameworks on OS X instead of miniSDL.
Remove SDL code on OS X's plug-ins subdirectory.
git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@86848 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Diffstat (limited to 'macosx/plugins/Common')
51 files changed, 0 insertions, 31251 deletions
diff --git a/macosx/plugins/Common/SDL/include/SDL.h b/macosx/plugins/Common/SDL/include/SDL.h deleted file mode 100644 index 51cb038b..00000000 --- a/macosx/plugins/Common/SDL/include/SDL.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -// 7/31/2010 Wei Mingzhi -// Removed everything unrated to Mac OS X Joystick support - -/** - * \file SDL.h - * - * Main include header for the SDL library - */ - -/** - * \mainpage Simple DirectMedia Layer (SDL) - * - * http://www.libsdl.org/ - * - * \section intro_sec Introduction - * - * This is the Simple DirectMedia Layer, a general API that provides low - * level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, - * and 2D framebuffer across multiple platforms. - * - * The current version supports Windows, Windows CE, Mac OS X, Linux, - * FreeBSD, NetBSD, OpenBSD, BSD/OS, Solaris, and QNX. The code contains - * support for other operating systems but those are not officially supported. - * - * SDL is written in C, but works with C++ natively, and has bindings to - * several other languages, including Ada, C#, Eiffel, Erlang, Euphoria, - * Guile, Haskell, Java, Lisp, Lua, ML, Objective C, Pascal, Perl, PHP, - * Pike, Pliant, Python, Ruby, and Smalltalk. - * - * This library is distributed under GNU LGPL version 2, which can be - * found in the file "COPYING". This license allows you to use SDL - * freely in commercial programs as long as you link with the dynamic - * library. - * - * The best way to learn how to use SDL is to check out the header files in - * the "include" subdirectory and the programs in the "test" subdirectory. - * The header files and test programs are well commented and always up to date. - * More documentation is available in HTML format in "docs/index.html", and - * a documentation wiki is available online at: - * http://www.libsdl.org/cgi/docwiki.cgi - * - * The test programs in the "test" subdirectory are in the public domain. - * - * Frequently asked questions are answered online: - * http://www.libsdl.org/faq.php - * - * If you need help with the library, or just want to discuss SDL related - * issues, you can join the developers mailing list: - * http://www.libsdl.org/mailing-list.php - * - * Enjoy! - * Sam Lantinga (slouken@libsdl.org) - */ - -#ifndef _SDL_H -#define _SDL_H - -#include "SDL_main.h" -#include "SDL_stdinc.h" -#include "SDL_endian.h" -#include "SDL_error.h" -#include "SDL_audio.h" -#include "SDL_mutex.h" -#include "SDL_rwops.h" -#include "SDL_thread.h" -#include "SDL_version.h" - -#ifndef SDL_IGNORE -#define SDL_IGNORE 0 -#endif - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/* As of version 0.5, SDL is loaded dynamically into the application */ - -/** - * \name SDL_INIT_* - * - * These are the flags which may be passed to SDL_Init(). You should - * specify the subsystems which you will be using in your application. - */ -/*@{*/ -#define SDL_INIT_AUDIO 0x00000010 -#define SDL_INIT_JOYSTICK 0x00000200 -#define SDL_INIT_HAPTIC 0x00001000 -#define SDL_INIT_NOPARACHUTE 0x00100000 /**< Don't catch fatal signals */ -#define SDL_INIT_EVERYTHING 0x0000FFFF -/*@}*/ - -/** - * This function loads the SDL dynamically linked library and initializes - * the subsystems specified by \c flags (and those satisfying dependencies). - * Unless the ::SDL_INIT_NOPARACHUTE flag is set, it will install cleanup - * signal handlers for some commonly ignored fatal signals (like SIGSEGV). - */ -extern DECLSPEC int SDLCALL SDL_Init(Uint32 flags); - -/** - * This function initializes specific SDL subsystems - */ -extern DECLSPEC int SDLCALL SDL_InitSubSystem(Uint32 flags); - -/** - * This function cleans up specific SDL subsystems - */ -extern DECLSPEC void SDLCALL SDL_QuitSubSystem(Uint32 flags); - -/** - * This function returns mask of the specified subsystems which have - * been initialized. - * - * If \c flags is 0, it returns a mask of all initialized subsystems. - */ -extern DECLSPEC Uint32 SDLCALL SDL_WasInit(Uint32 flags); - -/** - * This function cleans up all initialized subsystems and unloads the - * dynamically linked library. You should call it upon all exit conditions. - */ -extern DECLSPEC void SDLCALL SDL_Quit(void); - -void SDL_Delay(Uint32 ms); - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_H */ diff --git a/macosx/plugins/Common/SDL/include/SDL_audio.h b/macosx/plugins/Common/SDL/include/SDL_audio.h deleted file mode 100644 index 5e087755..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_audio.h +++ /dev/null @@ -1,510 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_audio.h - * - * Access to the raw audio mixing buffer for the SDL library. - */ - -#ifndef _SDL_audio_h -#define _SDL_audio_h - -#include "SDL_stdinc.h" -#include "SDL_error.h" -#include "SDL_endian.h" -#include "SDL_mutex.h" -#include "SDL_thread.h" -#include "SDL_rwops.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * \brief Audio format flags. - * - * These are what the 16 bits in SDL_AudioFormat currently mean... - * (Unspecified bits are always zero). - * - * \verbatim - ++-----------------------sample is signed if set - || - || ++-----------sample is bigendian if set - || || - || || ++---sample is float if set - || || || - || || || +---sample bit size---+ - || || || | | - 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 - \endverbatim - * - * There are macros in SDL 1.3 and later to query these bits. - */ -typedef Uint16 SDL_AudioFormat; - -/** - * \name Audio flags - */ -/*@{*/ - -#define SDL_AUDIO_MASK_BITSIZE (0xFF) -#define SDL_AUDIO_MASK_DATATYPE (1<<8) -#define SDL_AUDIO_MASK_ENDIAN (1<<12) -#define SDL_AUDIO_MASK_SIGNED (1<<15) -#define SDL_AUDIO_BITSIZE(x) (x & SDL_AUDIO_MASK_BITSIZE) -#define SDL_AUDIO_ISFLOAT(x) (x & SDL_AUDIO_MASK_DATATYPE) -#define SDL_AUDIO_ISBIGENDIAN(x) (x & SDL_AUDIO_MASK_ENDIAN) -#define SDL_AUDIO_ISSIGNED(x) (x & SDL_AUDIO_MASK_SIGNED) -#define SDL_AUDIO_ISINT(x) (!SDL_AUDIO_ISFLOAT(x)) -#define SDL_AUDIO_ISLITTLEENDIAN(x) (!SDL_AUDIO_ISBIGENDIAN(x)) -#define SDL_AUDIO_ISUNSIGNED(x) (!SDL_AUDIO_ISSIGNED(x)) - -/** - * \name Audio format flags - * - * Defaults to LSB byte order. - */ -/*@{*/ -#define AUDIO_U8 0x0008 /**< Unsigned 8-bit samples */ -#define AUDIO_S8 0x8008 /**< Signed 8-bit samples */ -#define AUDIO_U16LSB 0x0010 /**< Unsigned 16-bit samples */ -#define AUDIO_S16LSB 0x8010 /**< Signed 16-bit samples */ -#define AUDIO_U16MSB 0x1010 /**< As above, but big-endian byte order */ -#define AUDIO_S16MSB 0x9010 /**< As above, but big-endian byte order */ -#define AUDIO_U16 AUDIO_U16LSB -#define AUDIO_S16 AUDIO_S16LSB -/*@}*/ - -/** - * \name int32 support - * - * New to SDL 1.3. - */ -/*@{*/ -#define AUDIO_S32LSB 0x8020 /**< 32-bit integer samples */ -#define AUDIO_S32MSB 0x9020 /**< As above, but big-endian byte order */ -#define AUDIO_S32 AUDIO_S32LSB -/*@}*/ - -/** - * \name float32 support - * - * New to SDL 1.3. - */ -/*@{*/ -#define AUDIO_F32LSB 0x8120 /**< 32-bit floating point samples */ -#define AUDIO_F32MSB 0x9120 /**< As above, but big-endian byte order */ -#define AUDIO_F32 AUDIO_F32LSB -/*@}*/ - -/** - * \name Native audio byte ordering - */ -/*@{*/ -#if SDL_BYTEORDER == SDL_LIL_ENDIAN -#define AUDIO_U16SYS AUDIO_U16LSB -#define AUDIO_S16SYS AUDIO_S16LSB -#define AUDIO_S32SYS AUDIO_S32LSB -#define AUDIO_F32SYS AUDIO_F32LSB -#else -#define AUDIO_U16SYS AUDIO_U16MSB -#define AUDIO_S16SYS AUDIO_S16MSB -#define AUDIO_S32SYS AUDIO_S32MSB -#define AUDIO_F32SYS AUDIO_F32MSB -#endif -/*@}*/ - -/** - * \name Allow change flags - * - * Which audio format changes are allowed when opening a device. - */ -/*@{*/ -#define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE 0x00000001 -#define SDL_AUDIO_ALLOW_FORMAT_CHANGE 0x00000002 -#define SDL_AUDIO_ALLOW_CHANNELS_CHANGE 0x00000004 -#define SDL_AUDIO_ALLOW_ANY_CHANGE (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE) -/*@}*/ - -/*@}*//*Audio flags*/ - -/** - * This function is called when the audio device needs more data. - * - * \param userdata An application-specific parameter saved in - * the SDL_AudioSpec structure - * \param stream A pointer to the audio data buffer. - * \param len The length of that buffer in bytes. - * - * Once the callback returns, the buffer will no longer be valid. - * Stereo samples are stored in a LRLRLR ordering. - */ -typedef void (SDLCALL * SDL_AudioCallback) (void *userdata, Uint8 * stream, - int len); - -/** - * The calculated values in this structure are calculated by SDL_OpenAudio(). - */ -typedef struct SDL_AudioSpec -{ - int freq; /**< DSP frequency -- samples per second */ - SDL_AudioFormat format; /**< Audio data format */ - Uint8 channels; /**< Number of channels: 1 mono, 2 stereo */ - Uint8 silence; /**< Audio buffer silence value (calculated) */ - Uint16 samples; /**< Audio buffer size in samples (power of 2) */ - Uint16 padding; /**< Necessary for some compile environments */ - Uint32 size; /**< Audio buffer size in bytes (calculated) */ - SDL_AudioCallback callback; - void *userdata; -} SDL_AudioSpec; - - -struct SDL_AudioCVT; -typedef void (SDLCALL * SDL_AudioFilter) (struct SDL_AudioCVT * cvt, - SDL_AudioFormat format); - -/** - * A structure to hold a set of audio conversion filters and buffers. - */ -typedef struct SDL_AudioCVT -{ - int needed; /**< Set to 1 if conversion possible */ - SDL_AudioFormat src_format; /**< Source audio format */ - SDL_AudioFormat dst_format; /**< Target audio format */ - double rate_incr; /**< Rate conversion increment */ - Uint8 *buf; /**< Buffer to hold entire audio data */ - int len; /**< Length of original audio buffer */ - int len_cvt; /**< Length of converted audio buffer */ - int len_mult; /**< buffer must be len*len_mult big */ - double len_ratio; /**< Given len, final size is len*len_ratio */ - SDL_AudioFilter filters[10]; /**< Filter list */ - int filter_index; /**< Current audio conversion function */ -} SDL_AudioCVT; - - -/* Function prototypes */ - -/** - * \name Driver discovery functions - * - * These functions return the list of built in audio drivers, in the - * order that they are normally initialized by default. - */ -/*@{*/ -extern DECLSPEC int SDLCALL SDL_GetNumAudioDrivers(void); -extern DECLSPEC const char *SDLCALL SDL_GetAudioDriver(int index); -/*@}*/ - -/** - * \name Initialization and cleanup - * - * \internal These functions are used internally, and should not be used unless - * you have a specific need to specify the audio driver you want to - * use. You should normally use SDL_Init() or SDL_InitSubSystem(). - */ -/*@{*/ -extern DECLSPEC int SDLCALL SDL_AudioInit(const char *driver_name); -extern DECLSPEC void SDLCALL SDL_AudioQuit(void); -/*@}*/ - -/** - * This function returns the name of the current audio driver, or NULL - * if no driver has been initialized. - */ -extern DECLSPEC const char *SDLCALL SDL_GetCurrentAudioDriver(void); - -/** - * This function opens the audio device with the desired parameters, and - * returns 0 if successful, placing the actual hardware parameters in the - * structure pointed to by \c obtained. If \c obtained is NULL, the audio - * data passed to the callback function will be guaranteed to be in the - * requested format, and will be automatically converted to the hardware - * audio format if necessary. This function returns -1 if it failed - * to open the audio device, or couldn't set up the audio thread. - * - * When filling in the desired audio spec structure, - * - \c desired->freq should be the desired audio frequency in samples-per- - * second. - * - \c desired->format should be the desired audio format. - * - \c desired->samples is the desired size of the audio buffer, in - * samples. This number should be a power of two, and may be adjusted by - * the audio driver to a value more suitable for the hardware. Good values - * seem to range between 512 and 8096 inclusive, depending on the - * application and CPU speed. Smaller values yield faster response time, - * but can lead to underflow if the application is doing heavy processing - * and cannot fill the audio buffer in time. A stereo sample consists of - * both right and left channels in LR ordering. - * Note that the number of samples is directly related to time by the - * following formula: \code ms = (samples*1000)/freq \endcode - * - \c desired->size is the size in bytes of the audio buffer, and is - * calculated by SDL_OpenAudio(). - * - \c desired->silence is the value used to set the buffer to silence, - * and is calculated by SDL_OpenAudio(). - * - \c desired->callback should be set to a function that will be called - * when the audio device is ready for more data. It is passed a pointer - * to the audio buffer, and the length in bytes of the audio buffer. - * This function usually runs in a separate thread, and so you should - * protect data structures that it accesses by calling SDL_LockAudio() - * and SDL_UnlockAudio() in your code. - * - \c desired->userdata is passed as the first parameter to your callback - * function. - * - * The audio device starts out playing silence when it's opened, and should - * be enabled for playing by calling \c SDL_PauseAudio(0) when you are ready - * for your audio callback function to be called. Since the audio driver - * may modify the requested size of the audio buffer, you should allocate - * any local mixing buffers after you open the audio device. - */ -extern DECLSPEC int SDLCALL SDL_OpenAudio(SDL_AudioSpec * desired, - SDL_AudioSpec * obtained); - -/** - * SDL Audio Device IDs. - * - * A successful call to SDL_OpenAudio() is always device id 1, and legacy - * SDL audio APIs assume you want this device ID. SDL_OpenAudioDevice() calls - * always returns devices >= 2 on success. The legacy calls are good both - * for backwards compatibility and when you don't care about multiple, - * specific, or capture devices. - */ -typedef Uint32 SDL_AudioDeviceID; - -/** - * Get the number of available devices exposed by the current driver. - * Only valid after a successfully initializing the audio subsystem. - * Returns -1 if an explicit list of devices can't be determined; this is - * not an error. For example, if SDL is set up to talk to a remote audio - * server, it can't list every one available on the Internet, but it will - * still allow a specific host to be specified to SDL_OpenAudioDevice(). - * - * In many common cases, when this function returns a value <= 0, it can still - * successfully open the default device (NULL for first argument of - * SDL_OpenAudioDevice()). - */ -extern DECLSPEC int SDLCALL SDL_GetNumAudioDevices(int iscapture); - -/** - * Get the human-readable name of a specific audio device. - * Must be a value between 0 and (number of audio devices-1). - * Only valid after a successfully initializing the audio subsystem. - * The values returned by this function reflect the latest call to - * SDL_GetNumAudioDevices(); recall that function to redetect available - * hardware. - * - * The string returned by this function is UTF-8 encoded, read-only, and - * managed internally. You are not to free it. If you need to keep the - * string for any length of time, you should make your own copy of it, as it - * will be invalid next time any of several other SDL functions is called. - */ -extern DECLSPEC const char *SDLCALL SDL_GetAudioDeviceName(int index, - int iscapture); - - -/** - * Open a specific audio device. Passing in a device name of NULL requests - * the most reasonable default (and is equivalent to calling SDL_OpenAudio()). - * - * The device name is a UTF-8 string reported by SDL_GetAudioDeviceName(), but - * some drivers allow arbitrary and driver-specific strings, such as a - * hostname/IP address for a remote audio server, or a filename in the - * diskaudio driver. - * - * \return 0 on error, a valid device ID that is >= 2 on success. - * - * SDL_OpenAudio(), unlike this function, always acts on device ID 1. - */ -extern DECLSPEC SDL_AudioDeviceID SDLCALL SDL_OpenAudioDevice(const char - *device, - int iscapture, - const - SDL_AudioSpec * - desired, - SDL_AudioSpec * - obtained, - int - allowed_changes); - - - -/** - * \name Audio state - * - * Get the current audio state. - */ -/*@{*/ -typedef enum -{ - SDL_AUDIO_STOPPED = 0, - SDL_AUDIO_PLAYING, - SDL_AUDIO_PAUSED -} SDL_AudioStatus; -extern DECLSPEC SDL_AudioStatus SDLCALL SDL_GetAudioStatus(void); - -extern DECLSPEC SDL_AudioStatus SDLCALL -SDL_GetAudioDeviceStatus(SDL_AudioDeviceID dev); -/*@}*//*Audio State*/ - -/** - * \name Pause audio functions - * - * These functions pause and unpause the audio callback processing. - * They should be called with a parameter of 0 after opening the audio - * device to start playing sound. This is so you can safely initialize - * data for your callback function after opening the audio device. - * Silence will be written to the audio device during the pause. - */ -/*@{*/ -extern DECLSPEC void SDLCALL SDL_PauseAudio(int pause_on); -extern DECLSPEC void SDLCALL SDL_PauseAudioDevice(SDL_AudioDeviceID dev, - int pause_on); -/*@}*//*Pause audio functions*/ - -/** - * This function loads a WAVE from the data source, automatically freeing - * that source if \c freesrc is non-zero. For example, to load a WAVE file, - * you could do: - * \code - * SDL_LoadWAV_RW(SDL_RWFromFile("sample.wav", "rb"), 1, ...); - * \endcode - * - * If this function succeeds, it returns the given SDL_AudioSpec, - * filled with the audio data format of the wave data, and sets - * \c *audio_buf to a malloc()'d buffer containing the audio data, - * and sets \c *audio_len to the length of that audio buffer, in bytes. - * You need to free the audio buffer with SDL_FreeWAV() when you are - * done with it. - * - * This function returns NULL and sets the SDL error message if the - * wave file cannot be opened, uses an unknown data format, or is - * corrupt. Currently raw and MS-ADPCM WAVE files are supported. - */ -extern DECLSPEC SDL_AudioSpec *SDLCALL SDL_LoadWAV_RW(SDL_RWops * src, - int freesrc, - SDL_AudioSpec * spec, - Uint8 ** audio_buf, - Uint32 * audio_len); - -/** - * Loads a WAV from a file. - * Compatibility convenience function. - */ -#define SDL_LoadWAV(file, spec, audio_buf, audio_len) \ - SDL_LoadWAV_RW(SDL_RWFromFile(file, "rb"),1, spec,audio_buf,audio_len) - -/** - * This function frees data previously allocated with SDL_LoadWAV_RW() - */ -extern DECLSPEC void SDLCALL SDL_FreeWAV(Uint8 * audio_buf); - -/** - * This function takes a source format and rate and a destination format - * and rate, and initializes the \c cvt structure with information needed - * by SDL_ConvertAudio() to convert a buffer of audio data from one format - * to the other. - * - * \return -1 if the format conversion is not supported, 0 if there's - * no conversion needed, or 1 if the audio filter is set up. - */ -extern DECLSPEC int SDLCALL SDL_BuildAudioCVT(SDL_AudioCVT * cvt, - SDL_AudioFormat src_format, - Uint8 src_channels, - int src_rate, - SDL_AudioFormat dst_format, - Uint8 dst_channels, - int dst_rate); - -/** - * Once you have initialized the \c cvt structure using SDL_BuildAudioCVT(), - * created an audio buffer \c cvt->buf, and filled it with \c cvt->len bytes of - * audio data in the source format, this function will convert it in-place - * to the desired format. - * - * The data conversion may expand the size of the audio data, so the buffer - * \c cvt->buf should be allocated after the \c cvt structure is initialized by - * SDL_BuildAudioCVT(), and should be \c cvt->len*cvt->len_mult bytes long. - */ -extern DECLSPEC int SDLCALL SDL_ConvertAudio(SDL_AudioCVT * cvt); - -#define SDL_MIX_MAXVOLUME 128 -/** - * This takes two audio buffers of the playing audio format and mixes - * them, performing addition, volume adjustment, and overflow clipping. - * The volume ranges from 0 - 128, and should be set to ::SDL_MIX_MAXVOLUME - * for full audio volume. Note this does not change hardware volume. - * This is provided for convenience -- you can mix your own audio data. - */ -extern DECLSPEC void SDLCALL SDL_MixAudio(Uint8 * dst, const Uint8 * src, - Uint32 len, int volume); - -/** - * This works like SDL_MixAudio(), but you specify the audio format instead of - * using the format of audio device 1. Thus it can be used when no audio - * device is open at all. - */ -extern DECLSPEC void SDLCALL SDL_MixAudioFormat(Uint8 * dst, - const Uint8 * src, - SDL_AudioFormat format, - Uint32 len, int volume); - -/** - * \name Audio lock functions - * - * The lock manipulated by these functions protects the callback function. - * During a SDL_LockAudio()/SDL_UnlockAudio() pair, you can be guaranteed that - * the callback function is not running. Do not call these from the callback - * function or you will cause deadlock. - */ -/*@{*/ -extern DECLSPEC void SDLCALL SDL_LockAudio(void); -extern DECLSPEC void SDLCALL SDL_LockAudioDevice(SDL_AudioDeviceID dev); -extern DECLSPEC void SDLCALL SDL_UnlockAudio(void); -extern DECLSPEC void SDLCALL SDL_UnlockAudioDevice(SDL_AudioDeviceID dev); -/*@}*//*Audio lock functions*/ - -/** - * This function shuts down audio processing and closes the audio device. - */ -extern DECLSPEC void SDLCALL SDL_CloseAudio(void); -extern DECLSPEC void SDLCALL SDL_CloseAudioDevice(SDL_AudioDeviceID dev); - -/** - * \return 1 if audio device is still functioning, zero if not, -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_AudioDeviceConnected(SDL_AudioDeviceID dev); - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_audio_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_config.h b/macosx/plugins/Common/SDL/include/SDL_config.h deleted file mode 100644 index 428c3c1a..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_config.h +++ /dev/null @@ -1,313 +0,0 @@ -/* include/SDL_config.h. Generated from SDL_config.h.in by configure. */ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2009 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#ifndef _SDL_config_h -#define _SDL_config_h - -/** - * \file SDL_config.h.in - * - * This is a set of defines to configure the SDL features - */ - -/* General platform specific identifiers */ -#include "SDL_platform.h" - -/* Make sure that this isn't included by Visual C++ */ -#ifdef _MSC_VER -#error You should copy include/SDL_config.h.default to include/SDL_config.h -#endif - -/* C language features */ -/* #undef const */ -/* #undef inline */ -/* #undef volatile */ - -/* C datatypes */ -#if !defined(_STDINT_H_) && (!defined(HAVE_STDINT_H) || !_HAVE_STDINT_H) -/* #undef size_t */ -/* #undef int8_t */ -/* #undef uint8_t */ -/* #undef int16_t */ -/* #undef uint16_t */ -/* #undef int32_t */ -/* #undef uint32_t */ -/* #undef int64_t */ -/* #undef uint64_t */ -/* #undef uintptr_t */ -#endif /* !_STDINT_H_ && !HAVE_STDINT_H */ - -#define SIZEOF_VOIDP 4 -#define SDL_HAS_64BIT_TYPE 1 - -/* Comment this if you want to build without any C library requirements */ -#define HAVE_LIBC 1 -#if HAVE_LIBC - -/* Useful headers */ -#define HAVE_ALLOCA_H 1 -#define HAVE_SYS_TYPES_H 1 -#define HAVE_STDIO_H 1 -#define STDC_HEADERS 1 -#define HAVE_STDLIB_H 1 -#define HAVE_STDARG_H 1 -/* #undef HAVE_MALLOC_H */ -#define HAVE_MEMORY_H 1 -#define HAVE_STRING_H 1 -#define HAVE_STRINGS_H 1 -#define HAVE_INTTYPES_H 1 -#define HAVE_STDINT_H 1 -#define HAVE_CTYPE_H 1 -#define HAVE_MATH_H 1 -#define HAVE_ICONV_H 1 -#define HAVE_SIGNAL_H 1 -/* #undef HAVE_ALTIVEC_H */ - -/* C library functions */ -#define HAVE_MALLOC 1 -#define HAVE_CALLOC 1 -#define HAVE_REALLOC 1 -#define HAVE_FREE 1 -#define HAVE_ALLOCA 1 -#ifndef _WIN32 /* Don't use C runtime versions of these on Windows */ -#define HAVE_GETENV 1 -#define HAVE_SETENV 1 -#define HAVE_PUTENV 1 -#define HAVE_UNSETENV 1 -#endif -#define HAVE_QSORT 1 -#define HAVE_ABS 1 -#define HAVE_BCOPY 1 -#define HAVE_MEMSET 1 -#define HAVE_MEMCPY 1 -#define HAVE_MEMMOVE 1 -#define HAVE_MEMCMP 1 -#define HAVE_STRLEN 1 -#define HAVE_STRLCPY 1 -#define HAVE_STRLCAT 1 -#define HAVE_STRDUP 1 -/* #undef HAVE__STRREV */ -/* #undef HAVE__STRUPR */ -/* #undef HAVE__STRLWR */ -/* #undef HAVE_INDEX */ -/* #undef HAVE_RINDEX */ -#define HAVE_STRCHR 1 -#define HAVE_STRRCHR 1 -#define HAVE_STRSTR 1 -/* #undef HAVE_ITOA */ -/* #undef HAVE__LTOA */ -/* #undef HAVE__UITOA */ -/* #undef HAVE__ULTOA */ -#define HAVE_STRTOL 1 -#define HAVE_STRTOUL 1 -/* #undef HAVE__I64TOA */ -/* #undef HAVE__UI64TOA */ -#define HAVE_STRTOLL 1 -#define HAVE_STRTOULL 1 -#define HAVE_STRTOD 1 -#define HAVE_ATOI 1 -#define HAVE_ATOF 1 -#define HAVE_STRCMP 1 -#define HAVE_STRNCMP 1 -/* #undef HAVE__STRICMP */ -#define HAVE_STRCASECMP 1 -/* #undef HAVE__STRNICMP */ -#define HAVE_STRNCASECMP 1 -#define HAVE_SSCANF 1 -#define HAVE_SNPRINTF 1 -#define HAVE_VSNPRINTF 1 -#define HAVE_M_PI -#define HAVE_CEIL 1 -#define HAVE_COPYSIGN 1 -#define HAVE_COS 1 -#define HAVE_COSF 1 -#define HAVE_FABS 1 -#define HAVE_FLOOR 1 -#define HAVE_LOG 1 -#define HAVE_POW 1 -#define HAVE_SCALBN 1 -#define HAVE_SIN 1 -#define HAVE_SINF 1 -#define HAVE_SQRT 1 -#define HAVE_SIGACTION 1 -#define HAVE_SETJMP 1 -#define HAVE_NANOSLEEP 1 -#define HAVE_SYSCONF 1 -#define HAVE_SYSCTLBYNAME 1 -/* #undef HAVE_CLOCK_GETTIME */ -/* #undef HAVE_GETPAGESIZE */ -#define HAVE_MPROTECT 1 - -#else -/* We may need some replacement for stdarg.h here */ -#include <stdarg.h> -#endif /* HAVE_LIBC */ - -/* SDL internal assertion support */ -/* #undef SDL_DEFAULT_ASSERT_LEVEL */ - -/* Allow disabling of core subsystems */ -/* #undef SDL_AUDIO_DISABLED 1 */ -#define SDL_CPUINFO_DISABLED 1 -#define SDL_EVENTS_DISABLED 1 -/* #undef SDL_FILE_DISABLED 1 */ -/* #undef SDL_JOYSTICK_DISABLED */ -/* #undef SDL_HAPTIC_DISABLED */ -#define SDL_LOADSO_DISABLED 1 -/* #undef SDL_THREADS_DISABLED 1 */ -#define SDL_TIMERS_DISABLED 1 -#define SDL_VIDEO_DISABLED 1 -#define SDL_POWER_DISABLED 1 - -/* Enable various audio drivers */ -/* #undef SDL_AUDIO_DRIVER_ALSA */ -/* #undef SDL_AUDIO_DRIVER_ALSA_DYNAMIC */ -/* #undef SDL_AUDIO_DRIVER_ARTS */ -/* #undef SDL_AUDIO_DRIVER_ARTS_DYNAMIC */ -/* #undef SDL_AUDIO_DRIVER_PULSEAUDIO */ -/* #undef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC */ -/* #undef SDL_AUDIO_DRIVER_BEOSAUDIO */ -/* #undef SDL_AUDIO_DRIVER_BSD */ -/* #undef SDL_AUDIO_DRIVER_COREAUDIO */ -/* #undef SDL_AUDIO_DRIVER_DISK */ -/* #undef SDL_AUDIO_DRIVER_DUMMY */ -/* #undef SDL_AUDIO_DRIVER_DMEDIA */ -/* #undef SDL_AUDIO_DRIVER_DSOUND */ -/* #undef SDL_AUDIO_DRIVER_ESD */ -/* #undef SDL_AUDIO_DRIVER_ESD_DYNAMIC */ -/* #undef SDL_AUDIO_DRIVER_MMEAUDIO */ -/* #undef SDL_AUDIO_DRIVER_NAS */ -/* #undef SDL_AUDIO_DRIVER_NAS_DYNAMIC */ -/* #undef SDL_AUDIO_DRIVER_NDS */ -/* #undef SDL_AUDIO_DRIVER_OSS */ -/* #undef SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H */ -/* #undef SDL_AUDIO_DRIVER_PAUDIO */ -/* #undef SDL_AUDIO_DRIVER_QSA */ -/* #undef SDL_AUDIO_DRIVER_SUNAUDIO */ -/* #undef SDL_AUDIO_DRIVER_WINWAVEOUT */ -/* #undef SDL_AUDIO_DRIVER_FUSIONSOUND */ -/* #undef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC */ - -/* Enable various input drivers */ -/* #undef SDL_INPUT_LINUXEV */ -/* #undef SDL_INPUT_TSLIB */ -/* #undef SDL_JOYSTICK_BEOS */ -/* #undef SDL_JOYSTICK_DINPUT */ -/* #undef SDL_JOYSTICK_DUMMY */ -#define SDL_JOYSTICK_IOKIT 1 -/* #undef SDL_JOYSTICK_LINUX */ -/* #undef SDL_JOYSTICK_NDS */ -/* #undef SDL_JOYSTICK_RISCOS */ -/* #undef SDL_JOYSTICK_WINMM */ -/* #undef SDL_JOYSTICK_USBHID */ -/* #undef SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H */ -/* #undef SDL_HAPTIC_DUMMY */ -/* #undef SDL_HAPTIC_LINUX */ -#define SDL_HAPTIC_IOKIT 1 -/* #undef SDL_HAPTIC_DINPUT */ - -/* Enable various shared object loading systems */ -/* #undef SDL_LOADSO_BEOS */ -/* #undef SDL_LOADSO_DLCOMPAT */ -/* #undef SDL_LOADSO_DLOPEN */ -/* #undef SDL_LOADSO_DUMMY */ -/* #undef SDL_LOADSO_LDG */ -/* #undef SDL_LOADSO_WIN32 */ - -/* Enable various threading systems */ -/* #undef SDL_THREAD_BEOS */ -/* #undef SDL_THREAD_NDS */ -/* #undef SDL_THREAD_PTHREAD */ -/* #undef SDL_THREAD_PTHREAD_RECURSIVE_MUTEX */ -/* #undef SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP */ -/* #undef SDL_THREAD_SPROC */ -/* #undef SDL_THREAD_WIN32 */ - -/* Enable various timer systems */ -/* #undef SDL_TIMER_BEOS */ -/* #undef SDL_TIMER_DUMMY */ -/* #undef SDL_TIMER_NDS */ -/* #undef SDL_TIMER_RISCOS */ -/* #undef SDL_TIMER_UNIX */ -/* #undef SDL_TIMER_WIN32 */ -/* #undef SDL_TIMER_WINCE */ - -/* Enable various video drivers */ -/* #undef SDL_VIDEO_DRIVER_BWINDOW */ -/* #undef SDL_VIDEO_DRIVER_COCOA */ -/* #undef SDL_VIDEO_DRIVER_DIRECTFB */ -/* #undef SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC */ -#define SDL_VIDEO_DRIVER_DUMMY 1 -/* #undef SDL_VIDEO_DRIVER_FBCON */ -/* #undef SDL_VIDEO_DRIVER_NDS */ -/* #undef SDL_VIDEO_DRIVER_PHOTON */ -/* #undef SDL_VIDEO_DRIVER_QNXGF */ -/* #undef SDL_VIDEO_DRIVER_PS3 */ -/* #undef SDL_VIDEO_DRIVER_RISCOS */ -/* #undef SDL_VIDEO_DRIVER_SVGALIB */ -/* #undef SDL_VIDEO_DRIVER_WIN32 */ -/* #undef SDL_VIDEO_DRIVER_X11 */ -/* #undef SDL_VIDEO_DRIVER_X11_DYNAMIC */ -/* #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT */ -/* #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR */ -/* #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRENDER */ -/* #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT */ -/* #undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS */ -/* #undef SDL_VIDEO_DRIVER_X11_VIDMODE */ -/* #undef SDL_VIDEO_DRIVER_X11_XINERAMA */ -/* #undef SDL_VIDEO_DRIVER_X11_XRANDR */ -/* #undef SDL_VIDEO_DRIVER_X11_XINPUT */ -/* #undef SDL_VIDEO_DRIVER_X11_SCRNSAVER */ -/* #undef SDL_VIDEO_DRIVER_X11_XV */ - -/* #undef SDL_VIDEO_RENDER_D3D */ -/* #undef SDL_VIDEO_RENDER_GDI */ -/* #undef SDL_VIDEO_RENDER_OGL */ -/* #undef SDL_VIDEO_RENDER_OGL_ES */ -/* #undef SDL_VIDEO_RENDER_X11 */ -/* #undef SDL_VIDEO_RENDER_GAPI */ -/* #undef SDL_VIDEO_RENDER_DDRAW */ - -/* Enable OpenGL support */ -/* #undef SDL_VIDEO_OPENGL */ -/* #undef SDL_VIDEO_OPENGL_ES */ -/* #undef SDL_VIDEO_OPENGL_BGL */ -/* #undef SDL_VIDEO_OPENGL_CGL */ -/* #undef SDL_VIDEO_OPENGL_GLX */ -/* #undef SDL_VIDEO_OPENGL_WGL */ -/* #undef SDL_VIDEO_OPENGL_OSMESA */ -/* #undef SDL_VIDEO_OPENGL_OSMESA_DYNAMIC */ - -/* Enable system power support */ -/* #undef SDL_POWER_LINUX */ -/* #undef SDL_POWER_WINDOWS */ -/* #undef SDL_POWER_MACOSX */ -/* #undef SDL_POWER_BEOS */ -/* #undef SDL_POWER_NINTENDODS */ -/* #undef SDL_POWER_HARDWIRED */ - -/* Enable assembly routines */ -/* #undef SDL_ASSEMBLY_ROUTINES */ -/* #undef SDL_ALTIVEC_BLITTERS */ - -#endif /* _SDL_config_h */ diff --git a/macosx/plugins/Common/SDL/include/SDL_endian.h b/macosx/plugins/Common/SDL/include/SDL_endian.h deleted file mode 100644 index c6646a95..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_endian.h +++ /dev/null @@ -1,258 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_endian.h - * - * Functions for reading and writing endian-specific values - */ - -#ifndef _SDL_endian_h -#define _SDL_endian_h - -#include "SDL_stdinc.h" - -/** - * \name The two types of endianness - */ -/*@{*/ -#define SDL_LIL_ENDIAN 1234 -#define SDL_BIG_ENDIAN 4321 -/*@}*/ - -#ifndef SDL_BYTEORDER /* Not defined in SDL_config.h? */ -#ifdef __linux__ -#include <endian.h> -#define SDL_BYTEORDER __BYTE_ORDER -#else /* __linux __ */ -#if defined(__hppa__) || \ - defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \ - (defined(__MIPS__) && defined(__MISPEB__)) || \ - defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \ - defined(__sparc__) -#define SDL_BYTEORDER SDL_BIG_ENDIAN -#else -#define SDL_BYTEORDER SDL_LIL_ENDIAN -#endif -#endif /* __linux __ */ -#endif /* !SDL_BYTEORDER */ - - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * \file SDL_endian.h - * - * Uses inline functions for compilers that support them, and static - * functions for those that do not. Because these functions become - * static for compilers that do not support inline functions, this - * header should only be included in files that actually use them. - */ -#if defined(__GNUC__) && defined(__i386__) && \ - !(__GNUC__ == 2 && __GNUC_MINOR__ == 95 /* broken gcc version */) -static __inline__ Uint16 -SDL_Swap16(Uint16 x) -{ - __asm__("xchgb %b0,%h0": "=q"(x):"0"(x)); - return x; -} -#elif defined(__GNUC__) && defined(__x86_64__) -static __inline__ Uint16 -SDL_Swap16(Uint16 x) -{ - __asm__("xchgb %b0,%h0": "=Q"(x):"0"(x)); - return x; -} -#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) -static __inline__ Uint16 -SDL_Swap16(Uint16 x) -{ - Uint16 result; - - __asm__("rlwimi %0,%2,8,16,23": "=&r"(result):"0"(x >> 8), "r"(x)); - return result; -} -#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) -static __inline__ Uint16 -SDL_Swap16(Uint16 x) -{ - __asm__("rorw #8,%0": "=d"(x): "0"(x):"cc"); - return x; -} -#else -static __inline__ Uint16 -SDL_Swap16(Uint16 x) -{ - return SDL_static_cast(Uint16, ((x << 8) | (x >> 8))); -} -#endif - -#if defined(__GNUC__) && defined(__i386__) -static __inline__ Uint32 -SDL_Swap32(Uint32 x) -{ - __asm__("bswap %0": "=r"(x):"0"(x)); - return x; -} -#elif defined(__GNUC__) && defined(__x86_64__) -static __inline__ Uint32 -SDL_Swap32(Uint32 x) -{ - __asm__("bswapl %0": "=r"(x):"0"(x)); - return x; -} -#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) -static __inline__ Uint32 -SDL_Swap32(Uint32 x) -{ - Uint32 result; - - __asm__("rlwimi %0,%2,24,16,23": "=&r"(result):"0"(x >> 24), "r"(x)); - __asm__("rlwimi %0,%2,8,8,15": "=&r"(result):"0"(result), "r"(x)); - __asm__("rlwimi %0,%2,24,0,7": "=&r"(result):"0"(result), "r"(x)); - return result; -} -#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) -static __inline__ Uint32 -SDL_Swap32(Uint32 x) -{ - __asm__("rorw #8,%0\n\tswap %0\n\trorw #8,%0": "=d"(x): "0"(x):"cc"); - return x; -} -#else -static __inline__ Uint32 -SDL_Swap32(Uint32 x) -{ - return SDL_static_cast(Uint32, ((x << 24) | ((x << 8) & 0x00FF0000) | - ((x >> 8) & 0x0000FF00) | (x >> 24))); -} -#endif - -#ifdef SDL_HAS_64BIT_TYPE -#if defined(__GNUC__) && defined(__i386__) -static __inline__ Uint64 -SDL_Swap64(Uint64 x) -{ - union - { - struct - { - Uint32 a, b; - } s; - Uint64 u; - } v; - v.u = x; - __asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1": "=r"(v.s.a), "=r"(v.s.b):"0"(v.s.a), - "1"(v.s. - b)); - return v.u; -} -#elif defined(__GNUC__) && defined(__x86_64__) -static __inline__ Uint64 -SDL_Swap64(Uint64 x) -{ - __asm__("bswapq %0": "=r"(x):"0"(x)); - return x; -} -#else -static __inline__ Uint64 -SDL_Swap64(Uint64 x) -{ - Uint32 hi, lo; - - /* Separate into high and low 32-bit values and swap them */ - lo = SDL_static_cast(Uint32, x & 0xFFFFFFFF); - x >>= 32; - hi = SDL_static_cast(Uint32, x & 0xFFFFFFFF); - x = SDL_Swap32(lo); - x <<= 32; - x |= SDL_Swap32(hi); - return (x); -} -#endif -#else -/** - * This is mainly to keep compilers from complaining in SDL code. - * If there is no real 64-bit datatype, then compilers will complain about - * the fake 64-bit datatype that SDL provides when it compiles user code. - */ -#define SDL_Swap64(X) (X) -#endif /* SDL_HAS_64BIT_TYPE */ - - -static __inline__ float -SDL_SwapFloat(float x) -{ - union - { - float f; - Uint32 ui32; - } swapper; - swapper.f = x; - swapper.ui32 = SDL_Swap32(swapper.ui32); - return swapper.f; -} - - -/** - * \name Swap to native - * Byteswap item from the specified endianness to the native endianness. - */ -/*@{*/ -#if SDL_BYTEORDER == SDL_LIL_ENDIAN -#define SDL_SwapLE16(X) (X) -#define SDL_SwapLE32(X) (X) -#define SDL_SwapLE64(X) (X) -#define SDL_SwapFloatLE(X) (X) -#define SDL_SwapBE16(X) SDL_Swap16(X) -#define SDL_SwapBE32(X) SDL_Swap32(X) -#define SDL_SwapBE64(X) SDL_Swap64(X) -#define SDL_SwapFloatBE(X) SDL_SwapFloat(X) -#else -#define SDL_SwapLE16(X) SDL_Swap16(X) -#define SDL_SwapLE32(X) SDL_Swap32(X) -#define SDL_SwapLE64(X) SDL_Swap64(X) -#define SDL_SwapFloatLE(X) SDL_SwapFloat(X) -#define SDL_SwapBE16(X) (X) -#define SDL_SwapBE32(X) (X) -#define SDL_SwapBE64(X) (X) -#define SDL_SwapFloatBE(X) (X) -#endif -/*@}*//*Swap to native*/ - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_endian_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_error.h b/macosx/plugins/Common/SDL/include/SDL_error.h deleted file mode 100644 index bd6b64ac..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_error.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_error.h - * - * Simple error message routines for SDL. - */ - -#ifndef _SDL_error_h -#define _SDL_error_h - -#include "SDL_stdinc.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/* Public functions */ -extern DECLSPEC void SDLCALL SDL_SetError(const char *fmt, ...); -extern DECLSPEC char *SDLCALL SDL_GetError(void); -extern DECLSPEC void SDLCALL SDL_ClearError(void); - -/** - * \name Internal error functions - * - * \internal - * Private error message function - used internally. - */ -/*@{*/ -#define SDL_OutOfMemory() SDL_Error(SDL_ENOMEM) -#define SDL_Unsupported() SDL_Error(SDL_UNSUPPORTED) -typedef enum -{ - SDL_ENOMEM, - SDL_EFREAD, - SDL_EFWRITE, - SDL_EFSEEK, - SDL_UNSUPPORTED, - SDL_LASTERROR -} SDL_errorcode; -extern DECLSPEC void SDLCALL SDL_Error(SDL_errorcode code); -/*@}*//*Internal error functions*/ - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_error_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_haptic.h b/macosx/plugins/Common/SDL/include/SDL_haptic.h deleted file mode 100644 index 6b354a2d..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_haptic.h +++ /dev/null @@ -1,1200 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -/** - * \file SDL_haptic.h - * - * \brief The SDL Haptic subsystem allows you to control haptic (force feedback) - * devices. - * - * The basic usage is as follows: - * - Initialize the Subsystem (::SDL_INIT_HAPTIC). - * - Open a Haptic Device. - * - SDL_HapticOpen() to open from index. - * - SDL_HapticOpenFromJoystick() to open from an existing joystick. - * - Create an effect (::SDL_HapticEffect). - * - Upload the effect with SDL_HapticNewEffect(). - * - Run the effect with SDL_HapticRunEffect(). - * - (optional) Free the effect with SDL_HapticDestroyEffect(). - * - Close the haptic device with SDL_HapticClose(). - * - * \par Simple rumble example: - * \code - * SDL_Haptic *haptic; - * - * // Open the device - * haptic = SDL_HapticOpen( 0 ); - * if (haptic == NULL) - * return -1; - * - * // Initialize simple rumble - * if (SDL_HapticRumbleInit( haptic ) != 0) - * return -1; - * - * // Play effect at 50% strength for 2 seconds - * if (SDL_HapticRumblePlay( haptic, 0.5, 2000 ) != 0) - * return -1; - * SDL_Delay( 2000 ); - * - * // Clean up - * SDL_HapticClose( haptic ); - * \endcode - * - * \par Complete example: - * \code - * int test_haptic( SDL_Joystick * joystick ) { - * SDL_Haptic *haptic; - * SDL_HapticEffect effect; - * int effect_id; - * - * // Open the device - * haptic = SDL_HapticOpenFromJoystick( joystick ); - * if (haptic == NULL) return -1; // Most likely joystick isn't haptic - * - * // See if it can do sine waves - * if ((SDL_HapticQuery(haptic) & SDL_HAPTIC_SINE)==0) { - * SDL_HapticClose(haptic); // No sine effect - * return -1; - * } - * - * // Create the effect - * memset( &effect, 0, sizeof(SDL_HapticEffect) ); // 0 is safe default - * effect.type = SDL_HAPTIC_SINE; - * effect.periodic.direction.type = SDL_HAPTIC_POLAR; // Polar coordinates - * effect.periodic.direction.dir[0] = 18000; // Force comes from south - * effect.periodic.period = 1000; // 1000 ms - * effect.periodic.magnitude = 20000; // 20000/32767 strength - * effect.periodic.length = 5000; // 5 seconds long - * effect.periodic.attack_length = 1000; // Takes 1 second to get max strength - * effect.periodic.fade_length = 1000; // Takes 1 second to fade away - * - * // Upload the effect - * effect_id = SDL_HapticNewEffect( haptic, &effect ); - * - * // Test the effect - * SDL_HapticRunEffect( haptic, effect_id, 1 ); - * SDL_Delay( 5000); // Wait for the effect to finish - * - * // We destroy the effect, although closing the device also does this - * SDL_HapticDestroyEffect( haptic, effect_id ); - * - * // Close the device - * SDL_HapticClose(haptic); - * - * return 0; // Success - * } - * \endcode - * - * You can also find out more information on my blog: - * http://bobbens.dyndns.org/journal/2010/sdl_haptic/ - * - * \author Edgar Simo Serra - */ - -#ifndef _SDL_haptic_h -#define _SDL_haptic_h - -#include "SDL_stdinc.h" -#include "SDL_error.h" -#include "SDL_joystick.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { - /* *INDENT-ON* */ -#endif /* __cplusplus */ - -/** - * \typedef SDL_Haptic - * - * \brief The haptic structure used to identify an SDL haptic. - * - * \sa SDL_HapticOpen - * \sa SDL_HapticOpenFromJoystick - * \sa SDL_HapticClose - */ -struct _SDL_Haptic; -typedef struct _SDL_Haptic SDL_Haptic; - - -/** - * \name Haptic features - * - * Different haptic features a device can have. - */ -/*@{*/ - -/** - * \name Haptic effects - */ -/*@{*/ - -/** - * \brief Constant effect supported. - * - * Constant haptic effect. - * - * \sa SDL_HapticCondition - */ -#define SDL_HAPTIC_CONSTANT (1<<0) - -/** - * \brief Sine wave effect supported. - * - * Periodic haptic effect that simulates sine waves. - * - * \sa SDL_HapticPeriodic - */ -#define SDL_HAPTIC_SINE (1<<1) - -/** - * \brief Square wave effect supported. - * - * Periodic haptic effect that simulates square waves. - * - * \sa SDL_HapticPeriodic - */ -#define SDL_HAPTIC_SQUARE (1<<2) - -/** - * \brief Triangle wave effect supported. - * - * Periodic haptic effect that simulates triangular waves. - * - * \sa SDL_HapticPeriodic - */ -#define SDL_HAPTIC_TRIANGLE (1<<3) - -/** - * \brief Sawtoothup wave effect supported. - * - * Periodic haptic effect that simulates saw tooth up waves. - * - * \sa SDL_HapticPeriodic - */ -#define SDL_HAPTIC_SAWTOOTHUP (1<<4) - -/** - * \brief Sawtoothdown wave effect supported. - * - * Periodic haptic effect that simulates saw tooth down waves. - * - * \sa SDL_HapticPeriodic - */ -#define SDL_HAPTIC_SAWTOOTHDOWN (1<<5) - -/** - * \brief Ramp effect supported. - * - * Ramp haptic effect. - * - * \sa SDL_HapticRamp - */ -#define SDL_HAPTIC_RAMP (1<<6) - -/** - * \brief Spring effect supported - uses axes position. - * - * Condition haptic effect that simulates a spring. Effect is based on the - * axes position. - * - * \sa SDL_HapticCondition - */ -#define SDL_HAPTIC_SPRING (1<<7) - -/** - * \brief Damper effect supported - uses axes velocity. - * - * Condition haptic effect that simulates dampening. Effect is based on the - * axes velocity. - * - * \sa SDL_HapticCondition - */ -#define SDL_HAPTIC_DAMPER (1<<8) - -/** - * \brief Inertia effect supported - uses axes acceleration. - * - * Condition haptic effect that simulates inertia. Effect is based on the axes - * acceleration. - * - * \sa SDL_HapticCondition - */ -#define SDL_HAPTIC_INERTIA (1<<9) - -/** - * \brief Friction effect supported - uses axes movement. - * - * Condition haptic effect that simulates friction. Effect is based on the - * axes movement. - * - * \sa SDL_HapticCondition - */ -#define SDL_HAPTIC_FRICTION (1<<10) - -/** - * \brief Custom effect is supported. - * - * User defined custom haptic effect. - */ -#define SDL_HAPTIC_CUSTOM (1<<11) - -/*@}*//*Haptic effects*/ - -/* These last few are features the device has, not effects */ - -/** - * \brief Device can set global gain. - * - * Device supports setting the global gain. - * - * \sa SDL_HapticSetGain - */ -#define SDL_HAPTIC_GAIN (1<<12) - -/** - * \brief Device can set autocenter. - * - * Device supports setting autocenter. - * - * \sa SDL_HapticSetAutocenter - */ -#define SDL_HAPTIC_AUTOCENTER (1<<13) - -/** - * \brief Device can be queried for effect status. - * - * Device can be queried for effect status. - * - * \sa SDL_HapticGetEffectStatus - */ -#define SDL_HAPTIC_STATUS (1<<14) - -/** - * \brief Device can be paused. - * - * \sa SDL_HapticPause - * \sa SDL_HapticUnpause - */ -#define SDL_HAPTIC_PAUSE (1<<15) - - -/** - * \name Direction encodings - */ -/*@{*/ - -/** - * \brief Uses polar coordinates for the direction. - * - * \sa SDL_HapticDirection - */ -#define SDL_HAPTIC_POLAR 0 - -/** - * \brief Uses cartesian coordinates for the direction. - * - * \sa SDL_HapticDirection - */ -#define SDL_HAPTIC_CARTESIAN 1 - -/** - * \brief Uses spherical coordinates for the direction. - * - * \sa SDL_HapticDirection - */ -#define SDL_HAPTIC_SPHERICAL 2 - -/*@}*//*Direction encodings*/ - -/*@}*//*Haptic features*/ - -/* - * Misc defines. - */ - -/** - * \brief Used to play a device an infinite number of times. - * - * \sa SDL_HapticRunEffect - */ -#define SDL_HAPTIC_INFINITY 4294967295U - - -/** - * \brief Structure that represents a haptic direction. - * - * Directions can be specified by: - * - ::SDL_HAPTIC_POLAR : Specified by polar coordinates. - * - ::SDL_HAPTIC_CARTESIAN : Specified by cartesian coordinates. - * - ::SDL_HAPTIC_SPHERICAL : Specified by spherical coordinates. - * - * Cardinal directions of the haptic device are relative to the positioning - * of the device. North is considered to be away from the user. - * - * The following diagram represents the cardinal directions: - * \verbatim - .--. - |__| .-------. - |=.| |.-----.| - |--| || || - | | |'-----'| - |__|~')_____(' - [ COMPUTER ] - - - North (0,-1) - ^ - | - | - (1,0) West <----[ HAPTIC ]----> East (-1,0) - | - | - v - South (0,1) - - - [ USER ] - \|||/ - (o o) - ---ooO-(_)-Ooo--- - \endverbatim - * - * If type is ::SDL_HAPTIC_POLAR, direction is encoded by hundredths of a - * degree starting north and turning clockwise. ::SDL_HAPTIC_POLAR only uses - * the first \c dir parameter. The cardinal directions would be: - * - North: 0 (0 degrees) - * - East: 9000 (90 degrees) - * - South: 18000 (180 degrees) - * - West: 27000 (270 degrees) - * - * If type is ::SDL_HAPTIC_CARTESIAN, direction is encoded by three positions - * (X axis, Y axis and Z axis (with 3 axes)). ::SDL_HAPTIC_CARTESIAN uses - * the first three \c dir parameters. The cardinal directions would be: - * - North: 0,-1, 0 - * - East: -1, 0, 0 - * - South: 0, 1, 0 - * - West: 1, 0, 0 - * - * The Z axis represents the height of the effect if supported, otherwise - * it's unused. In cartesian encoding (1, 2) would be the same as (2, 4), you - * can use any multiple you want, only the direction matters. - * - * If type is ::SDL_HAPTIC_SPHERICAL, direction is encoded by two rotations. - * The first two \c dir parameters are used. The \c dir parameters are as - * follows (all values are in hundredths of degrees): - * - Degrees from (1, 0) rotated towards (0, 1). - * - Degrees towards (0, 0, 1) (device needs at least 3 axes). - * - * - * Example of force coming from the south with all encodings (force coming - * from the south means the user will have to pull the stick to counteract): - * \code - * SDL_HapticDirection direction; - * - * // Cartesian directions - * direction.type = SDL_HAPTIC_CARTESIAN; // Using cartesian direction encoding. - * direction.dir[0] = 0; // X position - * direction.dir[1] = 1; // Y position - * // Assuming the device has 2 axes, we don't need to specify third parameter. - * - * // Polar directions - * direction.type = SDL_HAPTIC_POLAR; // We'll be using polar direction encoding. - * direction.dir[0] = 18000; // Polar only uses first parameter - * - * // Spherical coordinates - * direction.type = SDL_HAPTIC_SPHERICAL; // Spherical encoding - * direction.dir[0] = 9000; // Since we only have two axes we don't need more parameters. - * \endcode - * - * \sa SDL_HAPTIC_POLAR - * \sa SDL_HAPTIC_CARTESIAN - * \sa SDL_HAPTIC_SPHERICAL - * \sa SDL_HapticEffect - * \sa SDL_HapticNumAxes - */ -typedef struct SDL_HapticDirection -{ - Uint8 type; /**< The type of encoding. */ - Sint32 dir[3]; /**< The encoded direction. */ -} SDL_HapticDirection; - - -/** - * \brief A structure containing a template for a Constant effect. - * - * The struct is exclusive to the ::SDL_HAPTIC_CONSTANT effect. - * - * A constant effect applies a constant force in the specified direction - * to the joystick. - * - * \sa SDL_HAPTIC_CONSTANT - * \sa SDL_HapticEffect - */ -typedef struct SDL_HapticConstant -{ - /* Header */ - Uint16 type; /**< ::SDL_HAPTIC_CONSTANT */ - SDL_HapticDirection direction; /**< Direction of the effect. */ - - /* Replay */ - Uint32 length; /**< Duration of the effect. */ - Uint16 delay; /**< Delay before starting the effect. */ - - /* Trigger */ - Uint16 button; /**< Button that triggers the effect. */ - Uint16 interval; /**< How soon it can be triggered again after button. */ - - /* Constant */ - Sint16 level; /**< Strength of the constant effect. */ - - /* Envelope */ - Uint16 attack_length; /**< Duration of the attack. */ - Uint16 attack_level; /**< Level at the start of the attack. */ - Uint16 fade_length; /**< Duration of the fade. */ - Uint16 fade_level; /**< Level at the end of the fade. */ -} SDL_HapticConstant; - -/** - * \brief A structure containing a template for a Periodic effect. - * - * The struct handles the following effects: - * - ::SDL_HAPTIC_SINE - * - ::SDL_HAPTIC_SQUARE - * - ::SDL_HAPTIC_TRIANGLE - * - ::SDL_HAPTIC_SAWTOOTHUP - * - ::SDL_HAPTIC_SAWTOOTHDOWN - * - * A periodic effect consists in a wave-shaped effect that repeats itself - * over time. The type determines the shape of the wave and the parameters - * determine the dimensions of the wave. - * - * Phase is given by hundredth of a cyle meaning that giving the phase a value - * of 9000 will displace it 25% of it's period. Here are sample values: - * - 0: No phase displacement. - * - 9000: Displaced 25% of it's period. - * - 18000: Displaced 50% of it's period. - * - 27000: Displaced 75% of it's period. - * - 36000: Displaced 100% of it's period, same as 0, but 0 is preffered. - * - * Examples: - * \verbatim - SDL_HAPTIC_SINE - __ __ __ __ - / \ / \ / \ / - / \__/ \__/ \__/ - - SDL_HAPTIC_SQUARE - __ __ __ __ __ - | | | | | | | | | | - | |__| |__| |__| |__| | - - SDL_HAPTIC_TRIANGLE - /\ /\ /\ /\ /\ - / \ / \ / \ / \ / - / \/ \/ \/ \/ - - SDL_HAPTIC_SAWTOOTHUP - /| /| /| /| /| /| /| - / | / | / | / | / | / | / | - / |/ |/ |/ |/ |/ |/ | - - SDL_HAPTIC_SAWTOOTHDOWN - \ |\ |\ |\ |\ |\ |\ | - \ | \ | \ | \ | \ | \ | \ | - \| \| \| \| \| \| \| - \endverbatim - * - * \sa SDL_HAPTIC_SINE - * \sa SDL_HAPTIC_SQUARE - * \sa SDL_HAPTIC_TRIANGLE - * \sa SDL_HAPTIC_SAWTOOTHUP - * \sa SDL_HAPTIC_SAWTOOTHDOWN - * \sa SDL_HapticEffect - */ -typedef struct SDL_HapticPeriodic -{ - /* Header */ - Uint16 type; /**< ::SDL_HAPTIC_SINE, ::SDL_HAPTIC_SQUARE, - ::SDL_HAPTIC_TRIANGLE, ::SDL_HAPTIC_SAWTOOTHUP or - ::SDL_HAPTIC_SAWTOOTHDOWN */ - SDL_HapticDirection direction; /**< Direction of the effect. */ - - /* Replay */ - Uint32 length; /**< Duration of the effect. */ - Uint16 delay; /**< Delay before starting the effect. */ - - /* Trigger */ - Uint16 button; /**< Button that triggers the effect. */ - Uint16 interval; /**< How soon it can be triggered again after button. */ - - /* Periodic */ - Uint16 period; /**< Period of the wave. */ - Sint16 magnitude; /**< Peak value. */ - Sint16 offset; /**< Mean value of the wave. */ - Uint16 phase; /**< Horizontal shift given by hundredth of a cycle. */ - - /* Envelope */ - Uint16 attack_length; /**< Duration of the attack. */ - Uint16 attack_level; /**< Level at the start of the attack. */ - Uint16 fade_length; /**< Duration of the fade. */ - Uint16 fade_level; /**< Level at the end of the fade. */ -} SDL_HapticPeriodic; - -/** - * \brief A structure containing a template for a Condition effect. - * - * The struct handles the following effects: - * - ::SDL_HAPTIC_SPRING: Effect based on axes position. - * - ::SDL_HAPTIC_DAMPER: Effect based on axes velocity. - * - ::SDL_HAPTIC_INERTIA: Effect based on axes acceleration. - * - ::SDL_HAPTIC_FRICTION: Effect based on axes movement. - * - * Direction is handled by condition internals instead of a direction member. - * The condition effect specific members have three parameters. The first - * refers to the X axis, the second refers to the Y axis and the third - * refers to the Z axis. The right terms refer to the positive side of the - * axis and the left terms refer to the negative side of the axis. Please - * refer to the ::SDL_HapticDirection diagram for which side is positive and - * which is negative. - * - * \sa SDL_HapticDirection - * \sa SDL_HAPTIC_SPRING - * \sa SDL_HAPTIC_DAMPER - * \sa SDL_HAPTIC_INERTIA - * \sa SDL_HAPTIC_FRICTION - * \sa SDL_HapticEffect - */ -typedef struct SDL_HapticCondition -{ - /* Header */ - Uint16 type; /**< ::SDL_HAPTIC_SPRING, ::SDL_HAPTIC_DAMPER, - ::SDL_HAPTIC_INERTIA or ::SDL_HAPTIC_FRICTION */ - SDL_HapticDirection direction; /**< Direction of the effect - Not used ATM. */ - - /* Replay */ - Uint32 length; /**< Duration of the effect. */ - Uint16 delay; /**< Delay before starting the effect. */ - - /* Trigger */ - Uint16 button; /**< Button that triggers the effect. */ - Uint16 interval; /**< How soon it can be triggered again after button. */ - - /* Condition */ - Uint16 right_sat[3]; /**< Level when joystick is to the positive side. */ - Uint16 left_sat[3]; /**< Level when joystick is to the negative side. */ - Sint16 right_coeff[3]; /**< How fast to increase the force towards the positive side. */ - Sint16 left_coeff[3]; /**< How fast to increase the force towards the negative side. */ - Uint16 deadband[3]; /**< Size of the dead zone. */ - Sint16 center[3]; /**< Position of the dead zone. */ -} SDL_HapticCondition; - -/** - * \brief A structure containing a template for a Ramp effect. - * - * This struct is exclusively for the ::SDL_HAPTIC_RAMP effect. - * - * The ramp effect starts at start strength and ends at end strength. - * It augments in linear fashion. If you use attack and fade with a ramp - * they effects get added to the ramp effect making the effect become - * quadratic instead of linear. - * - * \sa SDL_HAPTIC_RAMP - * \sa SDL_HapticEffect - */ -typedef struct SDL_HapticRamp -{ - /* Header */ - Uint16 type; /**< ::SDL_HAPTIC_RAMP */ - SDL_HapticDirection direction; /**< Direction of the effect. */ - - /* Replay */ - Uint32 length; /**< Duration of the effect. */ - Uint16 delay; /**< Delay before starting the effect. */ - - /* Trigger */ - Uint16 button; /**< Button that triggers the effect. */ - Uint16 interval; /**< How soon it can be triggered again after button. */ - - /* Ramp */ - Sint16 start; /**< Beginning strength level. */ - Sint16 end; /**< Ending strength level. */ - - /* Envelope */ - Uint16 attack_length; /**< Duration of the attack. */ - Uint16 attack_level; /**< Level at the start of the attack. */ - Uint16 fade_length; /**< Duration of the fade. */ - Uint16 fade_level; /**< Level at the end of the fade. */ -} SDL_HapticRamp; - -/** - * \brief A structure containing a template for the ::SDL_HAPTIC_CUSTOM effect. - * - * A custom force feedback effect is much like a periodic effect, where the - * application can define it's exact shape. You will have to allocate the - * data yourself. Data should consist of channels * samples Uint16 samples. - * - * If channels is one, the effect is rotated using the defined direction. - * Otherwise it uses the samples in data for the different axes. - * - * \sa SDL_HAPTIC_CUSTOM - * \sa SDL_HapticEffect - */ -typedef struct SDL_HapticCustom -{ - /* Header */ - Uint16 type; /**< ::SDL_HAPTIC_CUSTOM */ - SDL_HapticDirection direction; /**< Direction of the effect. */ - - /* Replay */ - Uint32 length; /**< Duration of the effect. */ - Uint16 delay; /**< Delay before starting the effect. */ - - /* Trigger */ - Uint16 button; /**< Button that triggers the effect. */ - Uint16 interval; /**< How soon it can be triggered again after button. */ - - /* Custom */ - Uint8 channels; /**< Axes to use, minimum of one. */ - Uint16 period; /**< Sample periods. */ - Uint16 samples; /**< Amount of samples. */ - Uint16 *data; /**< Should contain channels*samples items. */ - - /* Envelope */ - Uint16 attack_length; /**< Duration of the attack. */ - Uint16 attack_level; /**< Level at the start of the attack. */ - Uint16 fade_length; /**< Duration of the fade. */ - Uint16 fade_level; /**< Level at the end of the fade. */ -} SDL_HapticCustom; - -/** - * \brief The generic template for any haptic effect. - * - * All values max at 32767 (0x7FFF). Signed values also can be negative. - * Time values unless specified otherwise are in milliseconds. - * - * You can also pass ::SDL_HAPTIC_INFINITY to length instead of a 0-32767 - * value. Neither delay, interval, attack_length nor fade_length support - * ::SDL_HAPTIC_INFINITY. Fade will also not be used since effect never ends. - * - * Additionally, the ::SDL_HAPTIC_RAMP effect does not support a duration of - * ::SDL_HAPTIC_INFINITY. - * - * Button triggers may not be supported on all devices, it is advised to not - * use them if possible. Buttons start at index 1 instead of index 0 like - * they joystick. - * - * If both attack_length and fade_level are 0, the envelope is not used, - * otherwise both values are used. - * - * Common parts: - * \code - * // Replay - All effects have this - * Uint32 length; // Duration of effect (ms). - * Uint16 delay; // Delay before starting effect. - * - * // Trigger - All effects have this - * Uint16 button; // Button that triggers effect. - * Uint16 interval; // How soon before effect can be triggered again. - * - * // Envelope - All effects except condition effects have this - * Uint16 attack_length; // Duration of the attack (ms). - * Uint16 attack_level; // Level at the start of the attack. - * Uint16 fade_length; // Duration of the fade out (ms). - * Uint16 fade_level; // Level at the end of the fade. - * \endcode - * - * - * Here we have an example of a constant effect evolution in time: - * \verbatim - Strength - ^ - | - | effect level --> _________________ - | / \ - | / \ - | / \ - | / \ - | attack_level --> | \ - | | | <--- fade_level - | - +--------------------------------------------------> Time - [--] [---] - attack_length fade_length - - [------------------][-----------------------] - delay length - \endverbatim - * - * Note either the attack_level or the fade_level may be above the actual - * effect level. - * - * \sa SDL_HapticConstant - * \sa SDL_HapticPeriodic - * \sa SDL_HapticCondition - * \sa SDL_HapticRamp - * \sa SDL_HapticCustom - */ -typedef union SDL_HapticEffect -{ - /* Common for all force feedback effects */ - Uint16 type; /**< Effect type. */ - SDL_HapticConstant constant; /**< Constant effect. */ - SDL_HapticPeriodic periodic; /**< Periodic effect. */ - SDL_HapticCondition condition; /**< Condition effect. */ - SDL_HapticRamp ramp; /**< Ramp effect. */ - SDL_HapticCustom custom; /**< Custom effect. */ -} SDL_HapticEffect; - - -/* Function prototypes */ -/** - * \brief Count the number of joysticks attached to the system. - * - * \return Number of haptic devices detected on the system. - */ -extern DECLSPEC int SDLCALL SDL_NumHaptics(void); - -/** - * \brief Get the implementation dependent name of a Haptic device. - * - * This can be called before any joysticks are opened. - * If no name can be found, this function returns NULL. - * - * \param device_index Index of the device to get it's name. - * \return Name of the device or NULL on error. - * - * \sa SDL_NumHaptics - */ -extern DECLSPEC const char *SDLCALL SDL_HapticName(int device_index); - -/** - * \brief Opens a Haptic device for usage. - * - * The index passed as an argument refers to the N'th Haptic device on this - * system. - * - * When opening a haptic device, it's gain will be set to maximum and - * autocenter will be disabled. To modify these values use - * SDL_HapticSetGain() and SDL_HapticSetAutocenter(). - * - * \param device_index Index of the device to open. - * \return Device identifier or NULL on error. - * - * \sa SDL_HapticIndex - * \sa SDL_HapticOpenFromMouse - * \sa SDL_HapticOpenFromJoystick - * \sa SDL_HapticClose - * \sa SDL_HapticSetGain - * \sa SDL_HapticSetAutocenter - * \sa SDL_HapticPause - * \sa SDL_HapticStopAll - */ -extern DECLSPEC SDL_Haptic *SDLCALL SDL_HapticOpen(int device_index); - -/** - * \brief Checks if the haptic device at index has been opened. - * - * \param device_index Index to check to see if it has been opened. - * \return 1 if it has been opened or 0 if it hasn't. - * - * \sa SDL_HapticOpen - * \sa SDL_HapticIndex - */ -extern DECLSPEC int SDLCALL SDL_HapticOpened(int device_index); - -/** - * \brief Gets the index of a haptic device. - * - * \param haptic Haptic device to get the index of. - * \return The index of the haptic device or -1 on error. - * - * \sa SDL_HapticOpen - * \sa SDL_HapticOpened - */ -extern DECLSPEC int SDLCALL SDL_HapticIndex(SDL_Haptic * haptic); - -/** - * \brief Gets whether or not the current mouse has haptic capabilities. - * - * \return SDL_TRUE if the mouse is haptic, SDL_FALSE if it isn't. - * - * \sa SDL_HapticOpenFromMouse - */ -extern DECLSPEC int SDLCALL SDL_MouseIsHaptic(void); - -/** - * \brief Tries to open a haptic device from the current mouse. - * - * \return The haptic device identifier or NULL on error. - * - * \sa SDL_MouseIsHaptic - * \sa SDL_HapticOpen - */ -extern DECLSPEC SDL_Haptic *SDLCALL SDL_HapticOpenFromMouse(void); - -/** - * \brief Checks to see if a joystick has haptic features. - * - * \param joystick Joystick to test for haptic capabilities. - * \return 1 if the joystick is haptic, 0 if it isn't - * or -1 if an error ocurred. - * - * \sa SDL_HapticOpenFromJoystick - */ -extern DECLSPEC int SDLCALL SDL_JoystickIsHaptic(SDL_Joystick * joystick); - -/** - * \brief Opens a Haptic device for usage from a Joystick device. - * - * You must still close the haptic device seperately. It will not be closed - * with the joystick. - * - * When opening from a joystick you should first close the haptic device before - * closing the joystick device. If not, on some implementations the haptic - * device will also get unallocated and you'll be unable to use force feedback - * on that device. - * - * \param joystick Joystick to create a haptic device from. - * \return A valid haptic device identifier on success or NULL on error. - * - * \sa SDL_HapticOpen - * \sa SDL_HapticClose - */ -extern DECLSPEC SDL_Haptic *SDLCALL SDL_HapticOpenFromJoystick(SDL_Joystick * - joystick); - -/** - * \brief Closes a Haptic device previously opened with SDL_HapticOpen(). - * - * \param haptic Haptic device to close. - */ -extern DECLSPEC void SDLCALL SDL_HapticClose(SDL_Haptic * haptic); - -/** - * \brief Returns the number of effects a haptic device can store. - * - * On some platforms this isn't fully supported, and therefore is an - * aproximation. Always check to see if your created effect was actually - * created and do not rely solely on SDL_HapticNumEffects(). - * - * \param haptic The haptic device to query effect max. - * \return The number of effects the haptic device can store or - * -1 on error. - * - * \sa SDL_HapticNumEffectsPlaying - * \sa SDL_HapticQuery - */ -extern DECLSPEC int SDLCALL SDL_HapticNumEffects(SDL_Haptic * haptic); - -/** - * \brief Returns the number of effects a haptic device can play at the same - * time. - * - * This is not supported on all platforms, but will always return a value. - * Added here for the sake of completness. - * - * \param haptic The haptic device to query maximum playing effects. - * \return The number of effects the haptic device can play at the same time - * or -1 on error. - * - * \sa SDL_HapticNumEffects - * \sa SDL_HapticQuery - */ -extern DECLSPEC int SDLCALL SDL_HapticNumEffectsPlaying(SDL_Haptic * haptic); - -/** - * \brief Gets the haptic devices supported features in bitwise matter. - * - * Example: - * \code - * if (SDL_HapticQueryEffects(haptic) & SDL_HAPTIC_CONSTANT) { - * printf("We have constant haptic effect!"); - * } - * \endcode - * - * \param haptic The haptic device to query. - * \return Haptic features in bitwise manner (OR'd). - * - * \sa SDL_HapticNumEffects - * \sa SDL_HapticEffectSupported - */ -extern DECLSPEC unsigned int SDLCALL SDL_HapticQuery(SDL_Haptic * haptic); - - -/** - * \brief Gets the number of haptic axes the device has. - * - * \sa SDL_HapticDirection - */ -extern DECLSPEC int SDLCALL SDL_HapticNumAxes(SDL_Haptic * haptic); - -/** - * \brief Checks to see if effect is supported by haptic. - * - * \param haptic Haptic device to check on. - * \param effect Effect to check to see if it is supported. - * \return SDL_TRUE if effect is supported, SDL_FALSE if it isn't or -1 on error. - * - * \sa SDL_HapticQuery - * \sa SDL_HapticNewEffect - */ -extern DECLSPEC int SDLCALL SDL_HapticEffectSupported(SDL_Haptic * haptic, - SDL_HapticEffect * - effect); - -/** - * \brief Creates a new haptic effect on the device. - * - * \param haptic Haptic device to create the effect on. - * \param effect Properties of the effect to create. - * \return The id of the effect on success or -1 on error. - * - * \sa SDL_HapticUpdateEffect - * \sa SDL_HapticRunEffect - * \sa SDL_HapticDestroyEffect - */ -extern DECLSPEC int SDLCALL SDL_HapticNewEffect(SDL_Haptic * haptic, - SDL_HapticEffect * effect); - -/** - * \brief Updates the properties of an effect. - * - * Can be used dynamically, although behaviour when dynamically changing - * direction may be strange. Specifically the effect may reupload itself - * and start playing from the start. You cannot change the type either when - * running SDL_HapticUpdateEffect(). - * - * \param haptic Haptic device that has the effect. - * \param effect Effect to update. - * \param data New effect properties to use. - * \return The id of the effect on success or -1 on error. - * - * \sa SDL_HapticNewEffect - * \sa SDL_HapticRunEffect - * \sa SDL_HapticDestroyEffect - */ -extern DECLSPEC int SDLCALL SDL_HapticUpdateEffect(SDL_Haptic * haptic, - int effect, - SDL_HapticEffect * data); - -/** - * \brief Runs the haptic effect on it's assosciated haptic device. - * - * If iterations are ::SDL_HAPTIC_INFINITY, it'll run the effect over and over - * repeating the envelope (attack and fade) every time. If you only want the - * effect to last forever, set ::SDL_HAPTIC_INFINITY in the effect's length - * parameter. - * - * \param haptic Haptic device to run the effect on. - * \param effect Identifier of the haptic effect to run. - * \param iterations Number of iterations to run the effect. Use - * ::SDL_HAPTIC_INFINITY for infinity. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticStopEffect - * \sa SDL_HapticDestroyEffect - * \sa SDL_HapticGetEffectStatus - */ -extern DECLSPEC int SDLCALL SDL_HapticRunEffect(SDL_Haptic * haptic, - int effect, - Uint32 iterations); - -/** - * \brief Stops the haptic effect on it's assosciated haptic device. - * - * \param haptic Haptic device to stop the effect on. - * \param effect Identifier of the effect to stop. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticRunEffect - * \sa SDL_HapticDestroyEffect - */ -extern DECLSPEC int SDLCALL SDL_HapticStopEffect(SDL_Haptic * haptic, - int effect); - -/** - * \brief Destroys a haptic effect on the device. - * - * This will stop the effect if it's running. Effects are automatically - * destroyed when the device is closed. - * - * \param haptic Device to destroy the effect on. - * \param effect Identifier of the effect to destroy. - * - * \sa SDL_HapticNewEffect - */ -extern DECLSPEC void SDLCALL SDL_HapticDestroyEffect(SDL_Haptic * haptic, - int effect); - -/** - * \brief Gets the status of the current effect on the haptic device. - * - * Device must support the ::SDL_HAPTIC_STATUS feature. - * - * \param haptic Haptic device to query the effect status on. - * \param effect Identifier of the effect to query it's status. - * \return 0 if it isn't playing, ::SDL_HAPTIC_PLAYING if it is playing - * or -1 on error. - * - * \sa SDL_HapticRunEffect - * \sa SDL_HapticStopEffect - */ -extern DECLSPEC int SDLCALL SDL_HapticGetEffectStatus(SDL_Haptic * haptic, - int effect); - -/** - * \brief Sets the global gain of the device. - * - * Device must support the ::SDL_HAPTIC_GAIN feature. - * - * The user may specify the maxmimum gain by setting the environment variable - * ::SDL_HAPTIC_GAIN_MAX which should be between 0 and 100. All calls to - * SDL_HapticSetGain() will scale linearly using ::SDL_HAPTIC_GAIN_MAX as the - * maximum. - * - * \param haptic Haptic device to set the gain on. - * \param gain Value to set the gain to, should be between 0 and 100. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticQuery - */ -extern DECLSPEC int SDLCALL SDL_HapticSetGain(SDL_Haptic * haptic, int gain); - -/** - * \brief Sets the global autocenter of the device. - * - * Autocenter should be between 0 and 100. Setting it to 0 will disable - * autocentering. - * - * Device must support the ::SDL_HAPTIC_AUTOCENTER feature. - * - * \param haptic Haptic device to set autocentering on. - * \param autocenter Value to set autocenter to, 0 disables autocentering. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticQuery - */ -extern DECLSPEC int SDLCALL SDL_HapticSetAutocenter(SDL_Haptic * haptic, - int autocenter); - -/** - * \brief Pauses a haptic device. - * - * Device must support the ::SDL_HAPTIC_PAUSE feature. Call - * SDL_HapticUnpause() to resume playback. - * - * Do not modify the effects nor add new ones while the device is paused. - * That can cause all sorts of weird errors. - * - * \param haptic Haptic device to pause. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticUnpause - */ -extern DECLSPEC int SDLCALL SDL_HapticPause(SDL_Haptic * haptic); - -/** - * \brief Unpauses a haptic device. - * - * Call to unpause after SDL_HapticPause(). - * - * \param haptic Haptic device to pause. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticPause - */ -extern DECLSPEC int SDLCALL SDL_HapticUnpause(SDL_Haptic * haptic); - -/** - * \brief Stops all the currently playing effects on a haptic device. - * - * \param haptic Haptic device to stop. - * \return 0 on success or -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_HapticStopAll(SDL_Haptic * haptic); - -/** - * \brief Checks to see if rumble is supported on a haptic device.. - * - * \param haptic Haptic device to check to see if it supports rumble. - * \return SDL_TRUE if effect is supported, SDL_FALSE if it isn't or -1 on error. - * - * \sa SDL_HapticRumbleInit - * \sa SDL_HapticRumblePlay - * \sa SDL_HapticRumbleStop - */ -extern DECLSPEC int SDLCALL SDL_HapticRumbleSupported(SDL_Haptic * haptic); - -/** - * \brief Initializes the haptic device for simple rumble playback. - * - * \param haptic Haptic device to initialize for simple rumble playback. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticOpen - * \sa SDL_HapticRumbleSupported - * \sa SDL_HapticRumblePlay - * \sa SDL_HapticRumbleStop - */ -extern DECLSPEC int SDLCALL SDL_HapticRumbleInit(SDL_Haptic * haptic); - -/** - * \brief Runs simple rumble on a haptic device - * - * \param haptic Haptic device to play rumble effect on. - * \param strength Strength of the rumble to play as a 0-1 float value. - * \param length Length of the rumble to play in miliseconds. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticRumbleSupported - * \sa SDL_HapticRumbleInit - * \sa SDL_HapticRumbleStop - */ -extern DECLSPEC int SDLCALL SDL_HapticRumblePlay(SDL_Haptic * haptic, float strength, Uint32 length ); - -/** - * \brief Stops the simple rumble on a haptic device. - * - * \param haptic Haptic to stop the rumble on. - * \return 0 on success or -1 on error. - * - * \sa SDL_HapticRumbleSupported - * \sa SDL_HapticRumbleInit - * \sa SDL_HapticRumblePlay - */ -extern DECLSPEC int SDLCALL SDL_HapticRumbleStop(SDL_Haptic * haptic); - - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_haptic_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_joystick.h b/macosx/plugins/Common/SDL/include/SDL_joystick.h deleted file mode 100644 index 25976577..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_joystick.h +++ /dev/null @@ -1,209 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_joystick.h - * - * Include file for SDL joystick event handling - */ - -#ifndef _SDL_joystick_h -#define _SDL_joystick_h - -#include "SDL_stdinc.h" -#include "SDL_error.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * \file SDL_joystick.h - * - * In order to use these functions, SDL_Init() must have been called - * with the ::SDL_INIT_JOYSTICK flag. This causes SDL to scan the system - * for joysticks, and load appropriate drivers. - */ - -/* The joystick structure used to identify an SDL joystick */ -struct _SDL_Joystick; -typedef struct _SDL_Joystick SDL_Joystick; - - -/* Function prototypes */ -/** - * Count the number of joysticks attached to the system - */ -extern DECLSPEC int SDLCALL SDL_NumJoysticks(void); - -/** - * Get the implementation dependent name of a joystick. - * This can be called before any joysticks are opened. - * If no name can be found, this function returns NULL. - */ -extern DECLSPEC const char *SDLCALL SDL_JoystickName(int device_index); - -/** - * Open a joystick for use. - * The index passed as an argument refers tothe N'th joystick on the system. - * This index is the value which will identify this joystick in future joystick - * events. - * - * \return A joystick identifier, or NULL if an error occurred. - */ -extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickOpen(int device_index); - -/** - * Returns 1 if the joystick has been opened, or 0 if it has not. - */ -extern DECLSPEC int SDLCALL SDL_JoystickOpened(int device_index); - -/** - * Get the device index of an opened joystick. - */ -extern DECLSPEC int SDLCALL SDL_JoystickIndex(SDL_Joystick * joystick); - -/** - * Get the number of general axis controls on a joystick. - */ -extern DECLSPEC int SDLCALL SDL_JoystickNumAxes(SDL_Joystick * joystick); - -/** - * Get the number of trackballs on a joystick. - * - * Joystick trackballs have only relative motion events associated - * with them and their state cannot be polled. - */ -extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick * joystick); - -/** - * Get the number of POV hats on a joystick. - */ -extern DECLSPEC int SDLCALL SDL_JoystickNumHats(SDL_Joystick * joystick); - -/** - * Get the number of buttons on a joystick. - */ -extern DECLSPEC int SDLCALL SDL_JoystickNumButtons(SDL_Joystick * joystick); - -/** - * Update the current state of the open joysticks. - * - * This is called automatically by the event loop if any joystick - * events are enabled. - */ -extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void); - -/** - * Enable/disable joystick event polling. - * - * If joystick events are disabled, you must call SDL_JoystickUpdate() - * yourself and check the state of the joystick when you want joystick - * information. - * - * The state can be one of ::SDL_QUERY, ::SDL_ENABLE or ::SDL_IGNORE. - */ -extern DECLSPEC int SDLCALL SDL_JoystickEventState(int state); - -/** - * Get the current state of an axis control on a joystick. - * - * The state is a value ranging from -32768 to 32767. - * - * The axis indices start at index 0. - */ -extern DECLSPEC Sint16 SDLCALL SDL_JoystickGetAxis(SDL_Joystick * joystick, - int axis); - -/** - * \name Hat positions - */ -/*@{*/ -#define SDL_HAT_CENTERED 0x00 -#define SDL_HAT_UP 0x01 -#define SDL_HAT_RIGHT 0x02 -#define SDL_HAT_DOWN 0x04 -#define SDL_HAT_LEFT 0x08 -#define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP) -#define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN) -#define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP) -#define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN) -/*@}*/ - -/** - * Get the current state of a POV hat on a joystick. - * - * The hat indices start at index 0. - * - * \return The return value is one of the following positions: - * - ::SDL_HAT_CENTERED - * - ::SDL_HAT_UP - * - ::SDL_HAT_RIGHT - * - ::SDL_HAT_DOWN - * - ::SDL_HAT_LEFT - * - ::SDL_HAT_RIGHTUP - * - ::SDL_HAT_RIGHTDOWN - * - ::SDL_HAT_LEFTUP - * - ::SDL_HAT_LEFTDOWN - */ -extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetHat(SDL_Joystick * joystick, - int hat); - -/** - * Get the ball axis change since the last poll. - * - * \return 0, or -1 if you passed it invalid parameters. - * - * The ball indices start at index 0. - */ -extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick, - int ball, int *dx, int *dy); - -/** - * Get the current state of a button on a joystick. - * - * The button indices start at index 0. - */ -extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick, - int button); - -/** - * Close a joystick previously opened with SDL_JoystickOpen(). - */ -extern DECLSPEC void SDLCALL SDL_JoystickClose(SDL_Joystick * joystick); - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_joystick_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_main.h b/macosx/plugins/Common/SDL/include/SDL_main.h deleted file mode 100644 index daa69c68..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_main.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#ifndef _SDL_main_h -#define _SDL_main_h - -#include "SDL_stdinc.h" - -/** - * \file SDL_main.h - * - * Redefine main() on some platforms so that it is called by SDL. - */ - -#if defined(__WIN32__) || \ - (defined(__MWERKS__) && !defined(__BEOS__)) || \ - defined(__SYMBIAN32__) || defined(__IPHONEOS__) - -#ifdef __cplusplus -#define C_LINKAGE "C" -#else -#define C_LINKAGE -#endif /* __cplusplus */ - -/** - * \file SDL_main.h - * - * The application's main() function must be called with C linkage, - * and should be declared like this: - * \code - * #ifdef __cplusplus - * extern "C" - * #endif - * int main(int argc, char *argv[]) - * { - * } - * \endcode - */ - -#define main SDL_main - -/** - * The prototype for the application's main() function - */ -extern C_LINKAGE int SDL_main(int argc, char *argv[]); - - -/* From the SDL library code -- needed for registering the app on Win32 */ -#ifdef __WIN32__ - -#include "begin_code.h" -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * This can be called to set the application class at startup - */ -extern DECLSPEC int SDLCALL SDL_RegisterApp(char *name, Uint32 style, - void *hInst); -extern DECLSPEC void SDLCALL SDL_UnregisterApp(void); - -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" -#endif - -#endif /* Need to redefine main()? */ - -#endif /* _SDL_main_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_mutex.h b/macosx/plugins/Common/SDL/include/SDL_mutex.h deleted file mode 100644 index 39569bcf..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_mutex.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#ifndef _SDL_mutex_h -#define _SDL_mutex_h - -/** - * \file SDL_mutex.h - * - * Functions to provide thread synchronization primitives. - */ - -#include "SDL_stdinc.h" -#include "SDL_error.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * Synchronization functions which can time out return this value - * if they time out. - */ -#define SDL_MUTEX_TIMEDOUT 1 - -/** - * This is the timeout value which corresponds to never time out. - */ -#define SDL_MUTEX_MAXWAIT (~(Uint32)0) - - -/** - * \name Mutex functions - */ -/*@{*/ - -/* The SDL mutex structure, defined in SDL_mutex.c */ -struct SDL_mutex; -typedef struct SDL_mutex SDL_mutex; - -/** - * Create a mutex, initialized unlocked. - */ -extern DECLSPEC SDL_mutex *SDLCALL SDL_CreateMutex(void); - -/** - * Lock the mutex. - * - * \return 0, or -1 on error. - */ -#define SDL_LockMutex(m) SDL_mutexP(m) -extern DECLSPEC int SDLCALL SDL_mutexP(SDL_mutex * mutex); - -/** - * Unlock the mutex. - * - * \return 0, or -1 on error. - * - * \warning It is an error to unlock a mutex that has not been locked by - * the current thread, and doing so results in undefined behavior. - */ -#define SDL_UnlockMutex(m) SDL_mutexV(m) -extern DECLSPEC int SDLCALL SDL_mutexV(SDL_mutex * mutex); - -/** - * Destroy a mutex. - */ -extern DECLSPEC void SDLCALL SDL_DestroyMutex(SDL_mutex * mutex); - -/*@}*//*Mutex functions*/ - - -/** - * \name Semaphore functions - */ -/*@{*/ - -/* The SDL semaphore structure, defined in SDL_sem.c */ -struct SDL_semaphore; -typedef struct SDL_semaphore SDL_sem; - -/** - * Create a semaphore, initialized with value, returns NULL on failure. - */ -extern DECLSPEC SDL_sem *SDLCALL SDL_CreateSemaphore(Uint32 initial_value); - -/** - * Destroy a semaphore. - */ -extern DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_sem * sem); - -/** - * This function suspends the calling thread until the semaphore pointed - * to by \c sem has a positive count. It then atomically decreases the - * semaphore count. - */ -extern DECLSPEC int SDLCALL SDL_SemWait(SDL_sem * sem); - -/** - * Non-blocking variant of SDL_SemWait(). - * - * \return 0 if the wait succeeds, ::SDL_MUTEX_TIMEDOUT if the wait would - * block, and -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_SemTryWait(SDL_sem * sem); - -/** - * Variant of SDL_SemWait() with a timeout in milliseconds. - * - * \return 0 if the wait succeeds, ::SDL_MUTEX_TIMEDOUT if the wait does not - * succeed in the allotted time, and -1 on error. - * - * \warning On some platforms this function is implemented by looping with a - * delay of 1 ms, and so should be avoided if possible. - */ -extern DECLSPEC int SDLCALL SDL_SemWaitTimeout(SDL_sem * sem, Uint32 ms); - -/** - * Atomically increases the semaphore's count (not blocking). - * - * \return 0, or -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_SemPost(SDL_sem * sem); - -/** - * Returns the current count of the semaphore. - */ -extern DECLSPEC Uint32 SDLCALL SDL_SemValue(SDL_sem * sem); - -/*@}*//*Semaphore functions*/ - - -/** - * \name Condition variable functions - */ -/*@{*/ - -/* The SDL condition variable structure, defined in SDL_cond.c */ -struct SDL_cond; -typedef struct SDL_cond SDL_cond; - -/** - * Create a condition variable. - */ -extern DECLSPEC SDL_cond *SDLCALL SDL_CreateCond(void); - -/** - * Destroy a condition variable. - */ -extern DECLSPEC void SDLCALL SDL_DestroyCond(SDL_cond * cond); - -/** - * Restart one of the threads that are waiting on the condition variable. - * - * \return 0 or -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_CondSignal(SDL_cond * cond); - -/** - * Restart all threads that are waiting on the condition variable. - * \return 0 or -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_CondBroadcast(SDL_cond * cond); - -/** - * Wait on the condition variable, unlocking the provided mutex. - * - * \warning The mutex must be locked before entering this function! - * - * The mutex is re-locked once the condition variable is signaled. - * - * \return 0 when it is signaled, or -1 on error. - */ -extern DECLSPEC int SDLCALL SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex); - -/** - * Waits for at most \c ms milliseconds, and returns 0 if the condition - * variable is signaled, ::SDL_MUTEX_TIMEDOUT if the condition is not - * signaled in the allotted time, and -1 on error. - * - * \warning On some platforms this function is implemented by looping with a - * delay of 1 ms, and so should be avoided if possible. - */ -extern DECLSPEC int SDLCALL SDL_CondWaitTimeout(SDL_cond * cond, - SDL_mutex * mutex, Uint32 ms); - -/*@}*//*Condition variable functions*/ - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_mutex_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_platform.h b/macosx/plugins/Common/SDL/include/SDL_platform.h deleted file mode 100644 index c872229a..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_platform.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_platform.h - * - * Try to get a standard set of platform defines. - */ - -#ifndef _SDL_platform_h -#define _SDL_platform_h - -#if defined(_AIX) -#undef __AIX__ -#define __AIX__ 1 -#endif -#if defined(__BEOS__) -#undef __BEOS__ -#define __BEOS__ 1 -#endif -#if defined(__HAIKU__) -#undef __HAIKU__ -#define __HAIKU__ 1 -#endif -#if defined(bsdi) || defined(__bsdi) || defined(__bsdi__) -#undef __BSDI__ -#define __BSDI__ 1 -#endif -#if defined(_arch_dreamcast) -#undef __DREAMCAST__ -#define __DREAMCAST__ 1 -#endif -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) -#undef __FREEBSD__ -#define __FREEBSD__ 1 -#endif -#if defined(hpux) || defined(__hpux) || defined(__hpux__) -#undef __HPUX__ -#define __HPUX__ 1 -#endif -#if defined(sgi) || defined(__sgi) || defined(__sgi__) || defined(_SGI_SOURCE) -#undef __IRIX__ -#define __IRIX__ 1 -#endif -#if defined(linux) || defined(__linux) || defined(__linux__) -#undef __LINUX__ -#define __LINUX__ 1 -#endif - -#if defined(__APPLE__) -/* lets us know what version of Mac OS X we're compiling on */ -#include "AvailabilityMacros.h" -#ifdef MAC_OS_X_VERSION_10_3 -#include "TargetConditionals.h" /* this header is in 10.3 or later */ -#if TARGET_OS_IPHONE -/* if compiling for iPhone */ -#undef __IPHONEOS__ -#define __IPHONEOS__ 1 -#undef __MACOSX__ -#else -/* if not compiling for iPhone */ -#undef __MACOSX__ -#define __MACOSX__ 1 -#endif /* TARGET_OS_IPHONE */ -#else -/* if earlier verion of Mac OS X than version 10.3 */ -#undef __MACOSX__ -#define __MACOSX__ 1 -#endif - -#endif /* defined(__APPLE__) */ - -#if defined(__NetBSD__) -#undef __NETBSD__ -#define __NETBSD__ 1 -#endif -#if defined(__OpenBSD__) -#undef __OPENBSD__ -#define __OPENBSD__ 1 -#endif -#if defined(__OS2__) -#undef __OS2__ -#define __OS2__ 1 -#endif -#if defined(osf) || defined(__osf) || defined(__osf__) || defined(_OSF_SOURCE) -#undef __OSF__ -#define __OSF__ 1 -#endif -#if defined(__QNXNTO__) -#undef __QNXNTO__ -#define __QNXNTO__ 1 -#endif -#if defined(riscos) || defined(__riscos) || defined(__riscos__) -#undef __RISCOS__ -#define __RISCOS__ 1 -#endif -#if defined(__SVR4) -#undef __SOLARIS__ -#define __SOLARIS__ 1 -#endif -#if defined(WIN32) || defined(_WIN32) -#undef __WIN32__ -#define __WIN32__ 1 -#endif - -#if defined(__NDS__) -#undef __NINTENDODS__ -#define __NINTENDODS__ 1 -#endif - - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * \brief Gets the name of the platform. - */ -extern DECLSPEC const char * SDLCALL SDL_GetPlatform (void); - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_platform_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_rwops.h b/macosx/plugins/Common/SDL/include/SDL_rwops.h deleted file mode 100644 index 3e2f130a..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_rwops.h +++ /dev/null @@ -1,206 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_rwops.h - * - * This file provides a general interface for SDL to read and write - * data sources. It can easily be extended to files, memory, etc. - */ - -#ifndef _SDL_rwops_h -#define _SDL_rwops_h - -#include "SDL_stdinc.h" -#include "SDL_error.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * This is the read/write operation structure -- very basic. - */ -typedef struct SDL_RWops -{ - /** - * Seek to \c offset relative to \c whence, one of stdio's whence values: - * RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END - * - * \return the final offset in the data source. - */ - long (SDLCALL * seek) (struct SDL_RWops * context, long offset, - int whence); - - /** - * Read up to \c maxnum objects each of size \c size from the data - * source to the area pointed at by \c ptr. - * - * \return the number of objects read, or 0 at error or end of file. - */ - size_t(SDLCALL * read) (struct SDL_RWops * context, void *ptr, - size_t size, size_t maxnum); - - /** - * Write exactly \c num objects each of size \c size from the area - * pointed at by \c ptr to data source. - * - * \return the number of objects written, or 0 at error or end of file. - */ - size_t(SDLCALL * write) (struct SDL_RWops * context, const void *ptr, - size_t size, size_t num); - - /** - * Close and free an allocated SDL_RWops structure. - * - * \return 0 if successful or -1 on write error when flushing data. - */ - int (SDLCALL * close) (struct SDL_RWops * context); - - Uint32 type; - union - { -#ifdef __WIN32__ - struct - { - SDL_bool append; - void *h; - struct - { - void *data; - size_t size; - size_t left; - } buffer; - } win32io; -#endif -#ifdef HAVE_STDIO_H - struct - { - SDL_bool autoclose; - FILE *fp; - } stdio; -#endif - struct - { - Uint8 *base; - Uint8 *here; - Uint8 *stop; - } mem; - struct - { - void *data1; - } unknown; - } hidden; - -} SDL_RWops; - - -/** - * \name RWFrom functions - * - * Functions to create SDL_RWops structures from various data sources. - */ -/*@{*/ - -extern DECLSPEC SDL_RWops *SDLCALL SDL_RWFromFile(const char *file, - const char *mode); - -#ifdef HAVE_STDIO_H -extern DECLSPEC SDL_RWops *SDLCALL SDL_RWFromFP(FILE * fp, - SDL_bool autoclose); -#else -extern DECLSPEC SDL_RWops *SDLCALL SDL_RWFromFP(void * fp, - SDL_bool autoclose); -#endif - -extern DECLSPEC SDL_RWops *SDLCALL SDL_RWFromMem(void *mem, int size); -extern DECLSPEC SDL_RWops *SDLCALL SDL_RWFromConstMem(const void *mem, - int size); - -/*@}*//*RWFrom functions*/ - - -extern DECLSPEC SDL_RWops *SDLCALL SDL_AllocRW(void); -extern DECLSPEC void SDLCALL SDL_FreeRW(SDL_RWops * area); - -#define RW_SEEK_SET 0 /**< Seek from the beginning of data */ -#define RW_SEEK_CUR 1 /**< Seek relative to current read point */ -#define RW_SEEK_END 2 /**< Seek relative to the end of data */ - -/** - * \name Read/write macros - * - * Macros to easily read and write from an SDL_RWops structure. - */ -/*@{*/ -#define SDL_RWseek(ctx, offset, whence) (ctx)->seek(ctx, offset, whence) -#define SDL_RWtell(ctx) (ctx)->seek(ctx, 0, RW_SEEK_CUR) -#define SDL_RWread(ctx, ptr, size, n) (ctx)->read(ctx, ptr, size, n) -#define SDL_RWwrite(ctx, ptr, size, n) (ctx)->write(ctx, ptr, size, n) -#define SDL_RWclose(ctx) (ctx)->close(ctx) -/*@}*//*Read/write macros*/ - - -/** - * \name Read endian functions - * - * Read an item of the specified endianness and return in native format. - */ -/*@{*/ -extern DECLSPEC Uint16 SDLCALL SDL_ReadLE16(SDL_RWops * src); -extern DECLSPEC Uint16 SDLCALL SDL_ReadBE16(SDL_RWops * src); -extern DECLSPEC Uint32 SDLCALL SDL_ReadLE32(SDL_RWops * src); -extern DECLSPEC Uint32 SDLCALL SDL_ReadBE32(SDL_RWops * src); -extern DECLSPEC Uint64 SDLCALL SDL_ReadLE64(SDL_RWops * src); -extern DECLSPEC Uint64 SDLCALL SDL_ReadBE64(SDL_RWops * src); -/*@}*//*Read endian functions*/ - -/** - * \name Write endian functions - * - * Write an item of native format to the specified endianness. - */ -/*@{*/ -extern DECLSPEC size_t SDLCALL SDL_WriteLE16(SDL_RWops * dst, Uint16 value); -extern DECLSPEC size_t SDLCALL SDL_WriteBE16(SDL_RWops * dst, Uint16 value); -extern DECLSPEC size_t SDLCALL SDL_WriteLE32(SDL_RWops * dst, Uint32 value); -extern DECLSPEC size_t SDLCALL SDL_WriteBE32(SDL_RWops * dst, Uint32 value); -extern DECLSPEC size_t SDLCALL SDL_WriteLE64(SDL_RWops * dst, Uint64 value); -extern DECLSPEC size_t SDLCALL SDL_WriteBE64(SDL_RWops * dst, Uint64 value); -/*@}*//*Write endian functions*/ - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_rwops_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_stdinc.h b/macosx/plugins/Common/SDL/include/SDL_stdinc.h deleted file mode 100644 index 7289829c..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_stdinc.h +++ /dev/null @@ -1,792 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file SDL_stdinc.h - * - * This is a general header that includes C language support. - */ - -#ifndef _SDL_stdinc_h -#define _SDL_stdinc_h - -#include "SDL_config.h" - - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_STDIO_H -#include <stdio.h> -#endif -#if defined(STDC_HEADERS) -# include <stdlib.h> -# include <stddef.h> -# include <stdarg.h> -#else -# if defined(HAVE_STDLIB_H) -# include <stdlib.h> -# elif defined(HAVE_MALLOC_H) -# include <malloc.h> -# endif -# if defined(HAVE_STDDEF_H) -# include <stddef.h> -# endif -# if defined(HAVE_STDARG_H) -# include <stdarg.h> -# endif -#endif -#ifdef HAVE_STRING_H -# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) -# include <memory.h> -# endif -# include <string.h> -#endif -#ifdef HAVE_STRINGS_H -# include <strings.h> -#endif -#if defined(HAVE_INTTYPES_H) -# include <inttypes.h> -#elif defined(HAVE_STDINT_H) -# include <stdint.h> -#endif -#ifdef HAVE_CTYPE_H -# include <ctype.h> -#endif -#ifdef HAVE_MATH_H -# include <math.h> -#endif -#if defined(HAVE_ICONV) && defined(HAVE_ICONV_H) -# include <iconv.h> -#endif - -/** - * The number of elements in an array. - */ -#define SDL_arraysize(array) (sizeof(array)/sizeof(array[0])) -#define SDL_TABLESIZE(table) SDL_arraysize(table) - -/** - * \name Cast operators - * - * Use proper C++ casts when compiled as C++ to be compatible with the option - * -Wold-style-cast of GCC (and -Werror=old-style-cast in GCC 4.2 and above). - */ -/*@{*/ -#ifdef __cplusplus -#define SDL_reinterpret_cast(type, expression) reinterpret_cast<type>(expression) -#define SDL_static_cast(type, expression) static_cast<type>(expression) -#else -#define SDL_reinterpret_cast(type, expression) ((type)(expression)) -#define SDL_static_cast(type, expression) ((type)(expression)) -#endif -/*@}*//*Cast operators*/ - -/* Define a four character code as a Uint32 */ -#define SDL_FOURCC(A, B, C, D) \ - ((SDL_static_cast(Uint32, SDL_static_cast(Uint8, (A))) << 0) | \ - (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (B))) << 8) | \ - (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (C))) << 16) | \ - (SDL_static_cast(Uint32, SDL_static_cast(Uint8, (D))) << 24)) - -/** - * \name Basic data types - */ -/*@{*/ - -typedef enum -{ - SDL_FALSE = 0, - SDL_TRUE = 1 -} SDL_bool; - -/** - * \brief A signed 8-bit integer type. - */ -typedef int8_t Sint8; -/** - * \brief An unsigned 8-bit integer type. - */ -typedef uint8_t Uint8; -/** - * \brief A signed 16-bit integer type. - */ -typedef int16_t Sint16; -/** - * \brief An unsigned 16-bit integer type. - */ -typedef uint16_t Uint16; -/** - * \brief A signed 32-bit integer type. - */ -typedef int32_t Sint32; -/** - * \brief An unsigned 32-bit integer type. - */ -typedef uint32_t Uint32; - -#ifdef SDL_HAS_64BIT_TYPE -/** - * \brief A signed 64-bit integer type. - * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Sint32! - */ -typedef int64_t Sint64; -/** - * \brief An unsigned 64-bit integer type. - * \warning On platforms without any sort of 64-bit datatype, this is equivalent to Uint32! - */ -typedef uint64_t Uint64; -#else -/* This is really just a hack to prevent the compiler from complaining */ -typedef Sint32 Sint64; -typedef Uint32 Uint64; -#endif - -/*@}*//*Basic data types*/ - - -#define SDL_COMPILE_TIME_ASSERT(name, x) \ - typedef int SDL_dummy_ ## name[(x) * 2 - 1] -/** \cond */ -#ifndef DOXYGEN_SHOULD_IGNORE_THIS -SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); -SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); -SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); -SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); -SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); -SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); -#ifndef __NINTENDODS__ /* TODO: figure out why the following happens: - include/SDL_stdinc.h:150: error: size of array 'SDL_dummy_uint64' is negative - include/SDL_stdinc.h:151: error: size of array 'SDL_dummy_sint64' is negative */ -SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); -SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); -#endif -#endif /* DOXYGEN_SHOULD_IGNORE_THIS */ -/** \endcond */ - -/* Check to make sure enums are the size of ints, for structure packing. - For both Watcom C/C++ and Borland C/C++ the compiler option that makes - enums having the size of an int must be enabled. - This is "-b" for Borland C/C++ and "-ei" for Watcom C/C++ (v11). -*/ -/* Enable enums always int in CodeWarrior (for MPW use "-enum int") */ -#ifdef __MWERKS__ -#pragma enumsalwaysint on -#endif - -/** \cond */ -#ifndef DOXYGEN_SHOULD_IGNORE_THIS -#ifndef __NINTENDODS__ /* TODO: include/SDL_stdinc.h:174: error: size of array 'SDL_dummy_enum' is negative */ -typedef enum -{ - DUMMY_ENUM_VALUE -} SDL_DUMMY_ENUM; - -SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int)); -#endif -#endif /* DOXYGEN_SHOULD_IGNORE_THIS */ -/** \endcond */ - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -#ifdef HAVE_MALLOC -#define SDL_malloc malloc -#else -extern DECLSPEC void *SDLCALL SDL_malloc(size_t size); -#endif - -#ifdef HAVE_CALLOC -#define SDL_calloc calloc -#else -extern DECLSPEC void *SDLCALL SDL_calloc(size_t nmemb, size_t size); -#endif - -#ifdef HAVE_REALLOC -#define SDL_realloc realloc -#else -extern DECLSPEC void *SDLCALL SDL_realloc(void *mem, size_t size); -#endif - -#ifdef HAVE_FREE -#define SDL_free free -#else -extern DECLSPEC void SDLCALL SDL_free(void *mem); -#endif - -#if defined(HAVE_ALLOCA) && !defined(alloca) -# if defined(HAVE_ALLOCA_H) -# include <alloca.h> -# elif defined(__GNUC__) -# define alloca __builtin_alloca -# elif defined(_MSC_VER) -# include <malloc.h> -# define alloca _alloca -# elif defined(__WATCOMC__) -# include <malloc.h> -# elif defined(__BORLANDC__) -# include <malloc.h> -# elif defined(__DMC__) -# include <stdlib.h> -# elif defined(__AIX__) -#pragma alloca -# elif defined(__MRC__) -void *alloca(unsigned); -# else -char *alloca(); -# endif -#endif -#ifdef HAVE_ALLOCA -#define SDL_stack_alloc(type, count) (type*)alloca(sizeof(type)*(count)) -#define SDL_stack_free(data) -#else -#define SDL_stack_alloc(type, count) (type*)SDL_malloc(sizeof(type)*(count)) -#define SDL_stack_free(data) SDL_free(data) -#endif - -#ifdef HAVE_GETENV -#define SDL_getenv getenv -#else -extern DECLSPEC char *SDLCALL SDL_getenv(const char *name); -#endif - -/* SDL_putenv() has moved to SDL_compat. */ -#ifdef HAVE_SETENV -#define SDL_setenv setenv -#else -extern DECLSPEC int SDLCALL SDL_setenv(const char *name, const char *value, - int overwrite); -#endif - -#ifdef HAVE_QSORT -#define SDL_qsort qsort -#else -extern DECLSPEC void SDLCALL SDL_qsort(void *base, size_t nmemb, size_t size, - int (*compare) (const void *, - const void *)); -#endif - -#ifdef HAVE_ABS -#define SDL_abs abs -#else -#define SDL_abs(X) ((X) < 0 ? -(X) : (X)) -#endif - -#define SDL_min(x, y) (((x) < (y)) ? (x) : (y)) -#define SDL_max(x, y) (((x) > (y)) ? (x) : (y)) - -#ifdef HAVE_CTYPE_H -#define SDL_isdigit(X) isdigit(X) -#define SDL_isspace(X) isspace(X) -#define SDL_toupper(X) toupper(X) -#define SDL_tolower(X) tolower(X) -#else -#define SDL_isdigit(X) (((X) >= '0') && ((X) <= '9')) -#define SDL_isspace(X) (((X) == ' ') || ((X) == '\t') || ((X) == '\r') || ((X) == '\n')) -#define SDL_toupper(X) (((X) >= 'a') && ((X) <= 'z') ? ('A'+((X)-'a')) : (X)) -#define SDL_tolower(X) (((X) >= 'A') && ((X) <= 'Z') ? ('a'+((X)-'A')) : (X)) -#endif - -#ifdef HAVE_MEMSET -#define SDL_memset memset -#else -extern DECLSPEC void *SDLCALL SDL_memset(void *dst, int c, size_t len); -#endif -#define SDL_zero(x) SDL_memset(&(x), 0, sizeof((x))) -#define SDL_zerop(x) SDL_memset((x), 0, sizeof(*(x))) - -#if defined(__GNUC__) && defined(i386) -#define SDL_memset4(dst, val, len) \ -do { \ - int u0, u1, u2; \ - __asm__ __volatile__ ( \ - "cld\n\t" \ - "rep ; stosl\n\t" \ - : "=&D" (u0), "=&a" (u1), "=&c" (u2) \ - : "0" (dst), "1" (val), "2" (SDL_static_cast(Uint32, len)) \ - : "memory" ); \ -} while(0) -#endif -#ifndef SDL_memset4 -#define SDL_memset4(dst, val, len) \ -do { \ - unsigned _count = (len); \ - unsigned _n = (_count + 3) / 4; \ - Uint32 *_p = SDL_static_cast(Uint32 *, dst); \ - Uint32 _val = (val); \ - if (len == 0) break; \ - switch (_count % 4) { \ - case 0: do { *_p++ = _val; \ - case 3: *_p++ = _val; \ - case 2: *_p++ = _val; \ - case 1: *_p++ = _val; \ - } while ( --_n ); \ - } \ -} while(0) -#endif - -/* We can count on memcpy existing on Mac OS X and being well-tuned. */ -#if defined(__MACH__) && defined(__APPLE__) -#define SDL_memcpy(dst, src, len) memcpy(dst, src, len) -#elif defined(__GNUC__) && defined(i386) -#define SDL_memcpy(dst, src, len) \ -do { \ - int u0, u1, u2; \ - __asm__ __volatile__ ( \ - "cld\n\t" \ - "rep ; movsl\n\t" \ - "testb $2,%b4\n\t" \ - "je 1f\n\t" \ - "movsw\n" \ - "1:\ttestb $1,%b4\n\t" \ - "je 2f\n\t" \ - "movsb\n" \ - "2:" \ - : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ - : "0" (SDL_static_cast(unsigned, len)/4), "q" (len), "1" (dst),"2" (src) \ - : "memory" ); \ -} while(0) -#endif -#ifndef SDL_memcpy -#ifdef HAVE_MEMCPY -#define SDL_memcpy memcpy -#elif defined(HAVE_BCOPY) -#define SDL_memcpy(d, s, n) bcopy((s), (d), (n)) -#else -extern DECLSPEC void *SDLCALL SDL_memcpy(void *dst, const void *src, - size_t len); -#endif -#endif - -/* We can count on memcpy existing on Mac OS X and being well-tuned. */ -#if defined(__MACH__) && defined(__APPLE__) -#define SDL_memcpy4(dst, src, len) memcpy(dst, src, (len)*4) -#elif defined(__GNUC__) && defined(i386) -#define SDL_memcpy4(dst, src, len) \ -do { \ - int ecx, edi, esi; \ - __asm__ __volatile__ ( \ - "cld\n\t" \ - "rep ; movsl" \ - : "=&c" (ecx), "=&D" (edi), "=&S" (esi) \ - : "0" (SDL_static_cast(unsigned, len)), "1" (dst), "2" (src) \ - : "memory" ); \ -} while(0) -#endif -#ifndef SDL_memcpy4 -#define SDL_memcpy4(dst, src, len) SDL_memcpy(dst, src, (len) << 2) -#endif - -#if defined(__GNUC__) && defined(i386) -#define SDL_revcpy(dst, src, len) \ -do { \ - int u0, u1, u2; \ - char *dstp = SDL_static_cast(char *, dst); \ - char *srcp = SDL_static_cast(char *, src); \ - int n = (len); \ - if ( n >= 4 ) { \ - __asm__ __volatile__ ( \ - "std\n\t" \ - "rep ; movsl\n\t" \ - "cld\n\t" \ - : "=&c" (u0), "=&D" (u1), "=&S" (u2) \ - : "0" (n >> 2), \ - "1" (dstp+(n-4)), "2" (srcp+(n-4)) \ - : "memory" ); \ - } \ - switch (n & 3) { \ - case 3: dstp[2] = srcp[2]; \ - case 2: dstp[1] = srcp[1]; \ - case 1: dstp[0] = srcp[0]; \ - break; \ - default: \ - break; \ - } \ -} while(0) -#endif -#ifndef SDL_revcpy -extern DECLSPEC void *SDLCALL SDL_revcpy(void *dst, const void *src, - size_t len); -#endif - -#ifdef HAVE_MEMMOVE -#define SDL_memmove memmove -#elif defined(HAVE_BCOPY) -#define SDL_memmove(d, s, n) bcopy((s), (d), (n)) -#else -#define SDL_memmove(dst, src, len) \ -do { \ - if ( dst < src ) { \ - SDL_memcpy(dst, src, len); \ - } else { \ - SDL_revcpy(dst, src, len); \ - } \ -} while(0) -#endif - -#ifdef HAVE_MEMCMP -#define SDL_memcmp memcmp -#else -extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, - size_t len); -#endif - -#ifdef HAVE_STRLEN -#define SDL_strlen strlen -#else -extern DECLSPEC size_t SDLCALL SDL_strlen(const char *string); -#endif - -#ifdef HAVE_WCSLEN -#define SDL_wcslen wcslen -#else -#if !defined(wchar_t) && defined(__NINTENDODS__) -#define wchar_t short /* TODO: figure out why libnds doesn't have this */ -#endif -extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t * string); -#endif - -#ifdef HAVE_STRLCPY -#define SDL_strlcpy strlcpy -#else -extern DECLSPEC size_t SDLCALL SDL_strlcpy(char *dst, const char *src, - size_t maxlen); -#endif - -#ifdef HAVE_STRLCAT -#define SDL_strlcat strlcat -#else -extern DECLSPEC size_t SDLCALL SDL_strlcat(char *dst, const char *src, - size_t maxlen); -#endif - -#ifdef HAVE_STRDUP -#define SDL_strdup strdup -#else -extern DECLSPEC char *SDLCALL SDL_strdup(const char *string); -#endif - -#ifdef HAVE__STRREV -#define SDL_strrev _strrev -#else -extern DECLSPEC char *SDLCALL SDL_strrev(char *string); -#endif - -#ifdef HAVE__STRUPR -#define SDL_strupr _strupr -#else -extern DECLSPEC char *SDLCALL SDL_strupr(char *string); -#endif - -#ifdef HAVE__STRLWR -#define SDL_strlwr _strlwr -#else -extern DECLSPEC char *SDLCALL SDL_strlwr(char *string); -#endif - -#ifdef HAVE_STRCHR -#define SDL_strchr strchr -#elif defined(HAVE_INDEX) -#define SDL_strchr index -#else -extern DECLSPEC char *SDLCALL SDL_strchr(const char *string, int c); -#endif - -#ifdef HAVE_STRRCHR -#define SDL_strrchr strrchr -#elif defined(HAVE_RINDEX) -#define SDL_strrchr rindex -#else -extern DECLSPEC char *SDLCALL SDL_strrchr(const char *string, int c); -#endif - -#ifdef HAVE_STRSTR -#define SDL_strstr strstr -#else -extern DECLSPEC char *SDLCALL SDL_strstr(const char *haystack, - const char *needle); -#endif - -#ifdef HAVE_ITOA -#define SDL_itoa itoa -#else -#define SDL_itoa(value, string, radix) SDL_ltoa((long)value, string, radix) -#endif - -#ifdef HAVE__LTOA -#define SDL_ltoa _ltoa -#else -extern DECLSPEC char *SDLCALL SDL_ltoa(long value, char *string, int radix); -#endif - -#ifdef HAVE__UITOA -#define SDL_uitoa _uitoa -#else -#define SDL_uitoa(value, string, radix) SDL_ultoa((long)value, string, radix) -#endif - -#ifdef HAVE__ULTOA -#define SDL_ultoa _ultoa -#else -extern DECLSPEC char *SDLCALL SDL_ultoa(unsigned long value, char *string, - int radix); -#endif - -#ifdef HAVE_STRTOL -#define SDL_strtol strtol -#else -extern DECLSPEC long SDLCALL SDL_strtol(const char *string, char **endp, - int base); -#endif - -#ifdef HAVE_STRTOUL -#define SDL_strtoul strtoul -#else -extern DECLSPEC unsigned long SDLCALL SDL_strtoul(const char *string, - char **endp, int base); -#endif - -#ifdef SDL_HAS_64BIT_TYPE - -#ifdef HAVE__I64TOA -#define SDL_lltoa _i64toa -#else -extern DECLSPEC char *SDLCALL SDL_lltoa(Sint64 value, char *string, - int radix); -#endif - -#ifdef HAVE__UI64TOA -#define SDL_ulltoa _ui64toa -#else -extern DECLSPEC char *SDLCALL SDL_ulltoa(Uint64 value, char *string, - int radix); -#endif - -#ifdef HAVE_STRTOLL -#define SDL_strtoll strtoll -#else -extern DECLSPEC Sint64 SDLCALL SDL_strtoll(const char *string, char **endp, - int base); -#endif - -#ifdef HAVE_STRTOULL -#define SDL_strtoull strtoull -#else -extern DECLSPEC Uint64 SDLCALL SDL_strtoull(const char *string, char **endp, - int base); -#endif - -#endif /* SDL_HAS_64BIT_TYPE */ - -#ifdef HAVE_STRTOD -#define SDL_strtod strtod -#else -extern DECLSPEC double SDLCALL SDL_strtod(const char *string, char **endp); -#endif - -#ifdef HAVE_ATOI -#define SDL_atoi atoi -#else -#define SDL_atoi(X) SDL_strtol(X, NULL, 0) -#endif - -#ifdef HAVE_ATOF -#define SDL_atof atof -#else -#define SDL_atof(X) SDL_strtod(X, NULL) -#endif - -#ifdef HAVE_STRCMP -#define SDL_strcmp strcmp -#else -extern DECLSPEC int SDLCALL SDL_strcmp(const char *str1, const char *str2); -#endif - -#ifdef HAVE_STRNCMP -#define SDL_strncmp strncmp -#else -extern DECLSPEC int SDLCALL SDL_strncmp(const char *str1, const char *str2, - size_t maxlen); -#endif - -#ifdef HAVE_STRCASECMP -#define SDL_strcasecmp strcasecmp -#elif defined(HAVE__STRICMP) -#define SDL_strcasecmp _stricmp -#else -extern DECLSPEC int SDLCALL SDL_strcasecmp(const char *str1, - const char *str2); -#endif - -#ifdef HAVE_STRNCASECMP -#define SDL_strncasecmp strncasecmp -#elif defined(HAVE__STRNICMP) -#define SDL_strncasecmp _strnicmp -#else -extern DECLSPEC int SDLCALL SDL_strncasecmp(const char *str1, - const char *str2, size_t maxlen); -#endif - -#ifdef HAVE_SSCANF -#define SDL_sscanf sscanf -#else -extern DECLSPEC int SDLCALL SDL_sscanf(const char *text, const char *fmt, - ...); -#endif - -#ifdef HAVE_SNPRINTF -#define SDL_snprintf snprintf -#else -extern DECLSPEC int SDLCALL SDL_snprintf(char *text, size_t maxlen, - const char *fmt, ...); -#endif - -#ifdef HAVE_VSNPRINTF -#define SDL_vsnprintf vsnprintf -#else -extern DECLSPEC int SDLCALL SDL_vsnprintf(char *text, size_t maxlen, - const char *fmt, va_list ap); -#endif - -#ifndef HAVE_M_PI -#define M_PI 3.14159265358979323846264338327950288 /* pi */ -#endif - -#ifdef HAVE_CEIL -#define SDL_ceil ceil -#else -#define SDL_ceil(x) ((double)(int)((x)+0.5)) -#endif - -#ifdef HAVE_COPYSIGN -#define SDL_copysign copysign -#else -extern DECLSPEC double SDLCALL SDL_copysign(double x, double y); -#endif - -#ifdef HAVE_COS -#define SDL_cos cos -#else -extern DECLSPEC double SDLCALL SDL_cos(double x); -#endif - -#ifdef HAVE_COSF -#define SDL_cosf cosf -#else -#define SDL_cosf(x) (float)SDL_cos((double)x) -#endif - -#ifdef HAVE_FABS -#define SDL_fabs fabs -#else -extern DECLSPEC double SDLCALL SDL_fabs(double x); -#endif - -#ifdef HAVE_FLOOR -#define SDL_floor floor -#else -extern DECLSPEC double SDLCALL SDL_floor(double x); -#endif - -#ifdef HAVE_LOG -#define SDL_log log -#else -extern DECLSPEC double SDLCALL SDL_log(double x); -#endif - -#ifdef HAVE_POW -#define SDL_pow pow -#else -extern DECLSPEC double SDLCALL SDL_pow(double x, double y); -#endif - -#ifdef HAVE_SCALBN -#define SDL_scalbn scalbn -#else -extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n); -#endif - -#ifdef HAVE_SIN -#define SDL_sin sin -#else -extern DECLSPEC double SDLCALL SDL_sin(double x); -#endif - -#ifdef HAVE_SINF -#define SDL_sinf sinf -#else -#define SDL_sinf(x) (float)SDL_sin((double)x) -#endif - -#ifdef HAVE_SQRT -#define SDL_sqrt sqrt -#else -extern DECLSPEC double SDLCALL SDL_sqrt(double x); -#endif - -/* The SDL implementation of iconv() returns these error codes */ -#define SDL_ICONV_ERROR (size_t)-1 -#define SDL_ICONV_E2BIG (size_t)-2 -#define SDL_ICONV_EILSEQ (size_t)-3 -#define SDL_ICONV_EINVAL (size_t)-4 - -#if defined(HAVE_ICONV) && defined(HAVE_ICONV_H) -#define SDL_iconv_t iconv_t -#define SDL_iconv_open iconv_open -#define SDL_iconv_close iconv_close -#else -typedef struct _SDL_iconv_t *SDL_iconv_t; -extern DECLSPEC SDL_iconv_t SDLCALL SDL_iconv_open(const char *tocode, - const char *fromcode); -extern DECLSPEC int SDLCALL SDL_iconv_close(SDL_iconv_t cd); -#endif -extern DECLSPEC size_t SDLCALL SDL_iconv(SDL_iconv_t cd, const char **inbuf, - size_t * inbytesleft, char **outbuf, - size_t * outbytesleft); -/** - * This function converts a string between encodings in one pass, returning a - * string that must be freed with SDL_free() or NULL on error. - */ -extern DECLSPEC char *SDLCALL SDL_iconv_string(const char *tocode, - const char *fromcode, - const char *inbuf, - size_t inbytesleft); -#define SDL_iconv_utf8_locale(S) SDL_iconv_string("", "UTF-8", S, SDL_strlen(S)+1) -#define SDL_iconv_utf8_ucs2(S) (Uint16 *)SDL_iconv_string("UCS-2", "UTF-8", S, SDL_strlen(S)+1) -#define SDL_iconv_utf8_ucs4(S) (Uint32 *)SDL_iconv_string("UCS-4", "UTF-8", S, SDL_strlen(S)+1) - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_stdinc_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_thread.h b/macosx/plugins/Common/SDL/include/SDL_thread.h deleted file mode 100644 index cf3de29c..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_thread.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#ifndef _SDL_thread_h -#define _SDL_thread_h - -/** - * \file SDL_thread.h - * - * Header for the SDL thread management routines. - */ - -#include "SDL_stdinc.h" -#include "SDL_error.h" - -/* Thread synchronization primitives */ -#include "SDL_mutex.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/* The SDL thread structure, defined in SDL_thread.c */ -struct SDL_Thread; -typedef struct SDL_Thread SDL_Thread; - -/* The SDL thread ID */ -typedef unsigned long SDL_threadID; - -/* The function passed to SDL_CreateThread() - It is passed a void* user context parameter and returns an int. - */ -typedef int (SDLCALL * SDL_ThreadFunction) (void *data); - -#if defined(__WIN32__) && !defined(HAVE_LIBC) -/** - * \file SDL_thread.h - * - * We compile SDL into a DLL. This means, that it's the DLL which - * creates a new thread for the calling process with the SDL_CreateThread() - * API. There is a problem with this, that only the RTL of the SDL.DLL will - * be initialized for those threads, and not the RTL of the calling - * application! - * - * To solve this, we make a little hack here. - * - * We'll always use the caller's _beginthread() and _endthread() APIs to - * start a new thread. This way, if it's the SDL.DLL which uses this API, - * then the RTL of SDL.DLL will be used to create the new thread, and if it's - * the application, then the RTL of the application will be used. - * - * So, in short: - * Always use the _beginthread() and _endthread() of the calling runtime - * library! - */ -#define SDL_PASSED_BEGINTHREAD_ENDTHREAD -#ifndef _WIN32_WCE -#include <process.h> /* This has _beginthread() and _endthread() defined! */ -#endif - -#ifdef __GNUC__ -typedef unsigned long (__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned, - unsigned - (__stdcall * - func) (void *), - void *arg, - unsigned, - unsigned - *threadID); -typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code); -#else -typedef uintptr_t(__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned, - unsigned (__stdcall * - func) (void - *), - void *arg, unsigned, - unsigned *threadID); -typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code); -#endif - -/** - * Create a thread. - */ -extern DECLSPEC SDL_Thread *SDLCALL -SDL_CreateThread(SDL_ThreadFunction fn, void *data, - pfnSDL_CurrentBeginThread pfnBeginThread, - pfnSDL_CurrentEndThread pfnEndThread); - -#if defined(_WIN32_WCE) - -/** - * Create a thread. - */ -#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, NULL, NULL) - -#else - -/** - * Create a thread. - */ -#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthreadex, _endthreadex) - -#endif -#else - -/** - * Create a thread. - */ -extern DECLSPEC SDL_Thread *SDLCALL -SDL_CreateThread(SDL_ThreadFunction fn, void *data); - -#endif - -/** - * Get the thread identifier for the current thread. - */ -extern DECLSPEC SDL_threadID SDLCALL SDL_ThreadID(void); - -/** - * Get the thread identifier for the specified thread. - * - * Equivalent to SDL_ThreadID() if the specified thread is NULL. - */ -extern DECLSPEC SDL_threadID SDLCALL SDL_GetThreadID(SDL_Thread * thread); - -/** - * Wait for a thread to finish. - * - * The return code for the thread function is placed in the area - * pointed to by \c status, if \c status is not NULL. - */ -extern DECLSPEC void SDLCALL SDL_WaitThread(SDL_Thread * thread, int *status); - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_thread_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/SDL_version.h b/macosx/plugins/Common/SDL/include/SDL_version.h deleted file mode 100644 index 3d7ce28f..00000000 --- a/macosx/plugins/Common/SDL/include/SDL_version.h +++ /dev/null @@ -1,166 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -/** - * \file SDL_version.h - * - * This header defines the current SDL version. - */ - -#ifndef _SDL_version_h -#define _SDL_version_h - -#include "SDL_stdinc.h" - -#include "begin_code.h" -/* Set up for C function definitions, even when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -extern "C" { -/* *INDENT-ON* */ -#endif - -/** - * \brief Information the version of SDL in use. - * - * Represents the library's version as three levels: major revision - * (increments with massive changes, additions, and enhancements), - * minor revision (increments with backwards-compatible changes to the - * major revision), and patchlevel (increments with fixes to the minor - * revision). - * - * \sa SDL_VERSION - * \sa SDL_GetVersion - */ -typedef struct SDL_version -{ - Uint8 major; /**< major version */ - Uint8 minor; /**< minor version */ - Uint8 patch; /**< update version */ -} SDL_version; - -/* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL -*/ -#define SDL_MAJOR_VERSION 1 -#define SDL_MINOR_VERSION 3 -#define SDL_PATCHLEVEL 0 - -/** - * \brief Macro to determine SDL version program was compiled against. - * - * This macro fills in a SDL_version structure with the version of the - * library you compiled against. This is determined by what header the - * compiler uses. Note that if you dynamically linked the library, you might - * have a slightly newer or older version at runtime. That version can be - * determined with SDL_GetVersion(), which, unlike SDL_VERSION(), - * is not a macro. - * - * \param x A pointer to a SDL_version struct to initialize. - * - * \sa SDL_version - * \sa SDL_GetVersion - */ -#define SDL_VERSION(x) \ -{ \ - (x)->major = SDL_MAJOR_VERSION; \ - (x)->minor = SDL_MINOR_VERSION; \ - (x)->patch = SDL_PATCHLEVEL; \ -} - -/** - * This macro turns the version numbers into a numeric value: - * \verbatim - (1,2,3) -> (1203) - \endverbatim - * - * This assumes that there will never be more than 100 patchlevels. - */ -#define SDL_VERSIONNUM(X, Y, Z) \ - ((X)*1000 + (Y)*100 + (Z)) - -/** - * This is the version number macro for the current SDL version. - */ -#define SDL_COMPILEDVERSION \ - SDL_VERSIONNUM(SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL) - -/** - * This macro will evaluate to true if compiled with SDL at least X.Y.Z. - */ -#define SDL_VERSION_ATLEAST(X, Y, Z) \ - (SDL_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z)) - -/** - * \brief Get the version of SDL that is linked against your program. - * - * If you are linking to SDL dynamically, then it is possible that the - * current version will be different than the version you compiled against. - * This function returns the current version, while SDL_VERSION() is a - * macro that tells you what version you compiled with. - * - * \code - * SDL_version compiled; - * SDL_version linked; - * - * SDL_VERSION(&compiled); - * SDL_GetVersion(&linked); - * printf("We compiled against SDL version %d.%d.%d ...\n", - * compiled.major, compiled.minor, compiled.patch); - * printf("But we linked against SDL version %d.%d.%d.\n", - * linked.major, linked.minor, linked.patch); - * \endcode - * - * This function may be called safely at any time, even before SDL_Init(). - * - * \sa SDL_VERSION - */ -extern DECLSPEC void SDLCALL SDL_GetVersion(SDL_version * ver); - -/** - * \brief Get the code revision of SDL that is linked against your program. - * - * Returns an arbitrary string (a hash value) uniquely identifying the - * exact revision of the SDL library in use, and is only useful in comparing - * against other revisions. It is NOT an incrementing number. - */ -extern DECLSPEC const char *SDLCALL SDL_GetRevision(void); - -/** - * \brief Get the revision number of SDL that is linked against your program. - * - * Returns a number uniquely identifying the exact revision of the SDL - * library in use. It is an incrementing number based on commits to - * hg.libsdl.org. - */ -extern DECLSPEC int SDLCALL SDL_GetRevisionNumber(void); - - -/* Ends C function definitions when using C++ */ -#ifdef __cplusplus -/* *INDENT-OFF* */ -} -/* *INDENT-ON* */ -#endif -#include "close_code.h" - -#endif /* _SDL_version_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/include/begin_code.h b/macosx/plugins/Common/SDL/include/begin_code.h deleted file mode 100644 index 83e25d01..00000000 --- a/macosx/plugins/Common/SDL/include/begin_code.h +++ /dev/null @@ -1,136 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file begin_code.h - * - * This file sets things up for C dynamic library function definitions, - * static inlined functions, and structures aligned at 4-byte alignment. - * If you don't like ugly C preprocessor code, don't look at this file. :) - */ - -/* This shouldn't be nested -- included it around code only. */ -#ifdef _begin_code_h -#error Nested inclusion of begin_code.h -#endif -#define _begin_code_h - -/* Some compilers use a special export keyword */ -#ifndef DECLSPEC -# if defined(__BEOS__) || defined(__HAIKU__) -# if defined(__GNUC__) -# define DECLSPEC __declspec(dllexport) -# else -# define DECLSPEC __declspec(export) -# endif -# elif defined(__WIN32__) -# ifdef __BORLANDC__ -# ifdef BUILD_SDL -# define DECLSPEC -# else -# define DECLSPEC __declspec(dllimport) -# endif -# else -# define DECLSPEC __declspec(dllexport) -# endif -# else -# if defined(__GNUC__) && __GNUC__ >= 4 -# define DECLSPEC __attribute__ ((visibility("default"))) -# else -# define DECLSPEC -# endif -# endif -#endif - -/* By default SDL uses the C calling convention */ -#ifndef SDLCALL -#if defined(__WIN32__) && !defined(__GNUC__) -#define SDLCALL __cdecl -#else -#define SDLCALL -#endif -#endif /* SDLCALL */ - -/* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */ -#ifdef __SYMBIAN32__ -#undef DECLSPEC -#define DECLSPEC -#endif /* __SYMBIAN32__ */ - -/* Force structure packing at 4 byte alignment. - This is necessary if the header is included in code which has structure - packing set to an alternate value, say for loading structures from disk. - The packing is reset to the previous value in close_code.h - */ -#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) -#ifdef _MSC_VER -#pragma warning(disable: 4103) -#endif -#ifdef __BORLANDC__ -#pragma nopackwarning -#endif -#pragma pack(push,4) -#endif /* Compiler needs structure packing set */ - -/* Set up compiler-specific options for inlining functions */ -#ifndef SDL_INLINE_OKAY -#ifdef __GNUC__ -#define SDL_INLINE_OKAY -#else -/* Add any special compiler-specific cases here */ -#if defined(_MSC_VER) || defined(__BORLANDC__) || \ - defined(__DMC__) || defined(__SC__) || \ - defined(__WATCOMC__) || defined(__LCC__) || \ - defined(__DECC) -#ifndef __inline__ -#define __inline__ __inline -#endif -#define SDL_INLINE_OKAY -#else -#if !defined(__MRC__) && !defined(_SGI_SOURCE) -#ifndef __inline__ -#define __inline__ inline -#endif -#define SDL_INLINE_OKAY -#endif /* Not a funky compiler */ -#endif /* Visual C++ */ -#endif /* GNU C */ -#endif /* SDL_INLINE_OKAY */ - -/* If inlining isn't supported, remove "__inline__", turning static - inlined functions into static functions (resulting in code bloat - in all files which include the offending header files) -*/ -#ifndef SDL_INLINE_OKAY -#define __inline__ -#endif - -/* Apparently this is needed by several Windows compilers */ -#if !defined(__MACH__) -#ifndef NULL -#ifdef __cplusplus -#define NULL 0 -#else -#define NULL ((void *)0) -#endif -#endif /* NULL */ -#endif /* ! Mac OS X - breaks precompiled headers */ diff --git a/macosx/plugins/Common/SDL/include/close_code.h b/macosx/plugins/Common/SDL/include/close_code.h deleted file mode 100644 index c2c4dbd0..00000000 --- a/macosx/plugins/Common/SDL/include/close_code.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -/** - * \file close_code.h - * - * This file reverses the effects of begin_code.h and should be included - * after you finish any function and structure declarations in your headers - */ - -#undef _begin_code_h - -/* Reset structure packing at previous byte alignment */ -#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__WATCOMC__) || defined(__BORLANDC__) -#ifdef __BORLANDC__ -#pragma nopackwarning -#endif -#pragma pack(pop) -#endif /* Compiler needs structure packing set */ diff --git a/macosx/plugins/Common/SDL/src/SDL.c b/macosx/plugins/Common/SDL/src/SDL.c deleted file mode 100644 index 005fb245..00000000 --- a/macosx/plugins/Common/SDL/src/SDL.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#include "SDL_config.h" - -#include <time.h> -#include <errno.h> - -/* Initialization code for SDL */ - -#include "SDL.h" -#include "haptic/SDL_haptic_c.h" -#include "joystick/SDL_joystick_c.h" - -/* The initialized subsystems */ -static Uint32 SDL_initialized = 0; - -int -SDL_InitSubSystem(Uint32 flags) -{ -#ifndef SDL_JOYSTICK_DISABLED - /* Initialize the joystick subsystem */ - if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) { - if (SDL_JoystickInit() < 0) { - return (-1); - } - SDL_initialized |= SDL_INIT_JOYSTICK; - } - - /* Initialize the haptic subsystem */ - if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) { - if (SDL_HapticInit() < 0) { - return (-1); - } - SDL_initialized |= SDL_INIT_HAPTIC; - } -#endif - -#ifndef SDL_AUDIO_DISABLED - /* Initialize the audio subsystem */ - if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) { - if (SDL_AudioInit(NULL) < 0) { - return (-1); - } - SDL_initialized |= SDL_INIT_AUDIO; - } -#endif - - return (0); -} - -int -SDL_Init(Uint32 flags) -{ - /* Clear the error message */ - SDL_ClearError(); - - /* Initialize the desired subsystems */ - if (SDL_InitSubSystem(flags) < 0) { - return (-1); - } - - return (0); -} - -void -SDL_QuitSubSystem(Uint32 flags) -{ -#ifndef SDL_JOYSTICK_DISABLED - /* Shut down requested initialized subsystems */ - if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) { - SDL_JoystickQuit(); - SDL_initialized &= ~SDL_INIT_JOYSTICK; - } - - if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) { - SDL_HapticQuit(); - SDL_initialized &= ~SDL_INIT_HAPTIC; - } -#endif - -#ifndef SDL_AUDIO_DISABLED - if ((flags & SDL_initialized & SDL_INIT_AUDIO)) { - SDL_AudioQuit(); - SDL_initialized &= ~SDL_INIT_AUDIO; - } -#endif -} - -Uint32 -SDL_WasInit(Uint32 flags) -{ - if (!flags) { - flags = SDL_INIT_EVERYTHING; - } - return (SDL_initialized & flags); -} - -void -SDL_Quit(void) -{ - /* Quit all subsystems */ - SDL_QuitSubSystem(SDL_INIT_EVERYTHING); -} - - -void -SDL_Delay(Uint32 ms) -{ - int was_error; - -#if HAVE_NANOSLEEP - struct timespec elapsed, tv; -#else - struct timeval tv; - Uint32 then, now, elapsed; -#endif - - /* Set the timeout interval */ -#if HAVE_NANOSLEEP - elapsed.tv_sec = ms / 1000; - elapsed.tv_nsec = (ms % 1000) * 1000000; -#else - then = SDL_GetTicks(); -#endif - do { - errno = 0; - -#if HAVE_NANOSLEEP - tv.tv_sec = elapsed.tv_sec; - tv.tv_nsec = elapsed.tv_nsec; - was_error = nanosleep(&tv, &elapsed); -#else - /* Calculate the time interval left (in case of interrupt) */ - now = SDL_GetTicks(); - elapsed = (now - then); - then = now; - if (elapsed >= ms) { - break; - } - ms -= elapsed; - tv.tv_sec = ms / 1000; - tv.tv_usec = (ms % 1000) * 1000; - - was_error = select(0, NULL, NULL, NULL, &tv); -#endif /* HAVE_NANOSLEEP */ - } while (was_error && (errno == EINTR)); -} - diff --git a/macosx/plugins/Common/SDL/src/SDL_error.c b/macosx/plugins/Common/SDL/src/SDL_error.c deleted file mode 100644 index b50f2e56..00000000 --- a/macosx/plugins/Common/SDL/src/SDL_error.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Simple error handling in SDL */ - -#include "SDL_error.h" -#include "SDL_error_c.h" - -/* Routine to get the thread-specific error variable */ -#if SDL_THREADS_DISABLED -/* !!! FIXME: what does this comment mean? Victim of Search and Replace? */ -/* The SDL_arraysize(The ),default (non-thread-safe) global error variable */ -static SDL_error SDL_global_error; -#define SDL_GetErrBuf() (&SDL_global_error) -#else -extern SDL_error *SDL_GetErrBuf(void); -#endif /* SDL_THREADS_DISABLED */ - -#define SDL_ERRBUFIZE 1024 - -/* Private functions */ - -static const char * -SDL_LookupString(const char *key) -{ - /* FIXME: Add code to lookup key in language string hash-table */ - return key; -} - -/* Public functions */ - -void -SDL_SetError(const char *fmt, ...) -{ - va_list ap; - SDL_error *error; - - /* Copy in the key, mark error as valid */ - error = SDL_GetErrBuf(); - error->error = 1; - SDL_strlcpy((char *) error->key, fmt, sizeof(error->key)); - - va_start(ap, fmt); - error->argc = 0; - while (*fmt) { - if (*fmt++ == '%') { - while (*fmt == '.' || (*fmt >= '0' && *fmt <= '9')) { - ++fmt; - } - switch (*fmt++) { - case 0: /* Malformed format string.. */ - --fmt; - break; - case 'c': - case 'i': - case 'd': - case 'u': - case 'o': - case 'x': - case 'X': - error->args[error->argc++].value_i = va_arg(ap, int); - break; - case 'f': - error->args[error->argc++].value_f = va_arg(ap, double); - break; - case 'p': - error->args[error->argc++].value_ptr = va_arg(ap, void *); - break; - case 's': - { - int i = error->argc; - const char *str = va_arg(ap, const char *); - if (str == NULL) - str = "(null)"; - SDL_strlcpy((char *) error->args[i].buf, str, - ERR_MAX_STRLEN); - error->argc++; - } - break; - default: - break; - } - if (error->argc >= ERR_MAX_ARGS) { - break; - } - } - } - va_end(ap); - - /* If we are in debug mode, print out an error message */ -#ifdef DEBUG_ERROR - fprintf(stderr, "SDL_SetError: %s\n", SDL_GetError()); -#endif -} - -/* This function has a bit more overhead than most error functions - so that it supports internationalization and thread-safe errors. -*/ -static char * -SDL_GetErrorMsg(char *errstr, unsigned int maxlen) -{ - SDL_error *error; - - /* Clear the error string */ - *errstr = '\0'; - --maxlen; - - /* Get the thread-safe error, and print it out */ - error = SDL_GetErrBuf(); - if (error->error) { - const char *fmt; - char *msg = errstr; - int len; - int argi; - - fmt = SDL_LookupString(error->key); - argi = 0; - while (*fmt && (maxlen > 0)) { - if (*fmt == '%') { - char tmp[32], *spot = tmp; - *spot++ = *fmt++; - while ((*fmt == '.' || (*fmt >= '0' && *fmt <= '9')) - && spot < (tmp + SDL_arraysize(tmp) - 2)) { - *spot++ = *fmt++; - } - *spot++ = *fmt++; - *spot++ = '\0'; - switch (spot[-2]) { - case '%': - *msg++ = '%'; - maxlen -= 1; - break; - case 'c': - case 'i': - case 'd': - case 'u': - case 'o': - case 'x': - case 'X': - len = - SDL_snprintf(msg, maxlen, tmp, - error->args[argi++].value_i); - msg += len; - maxlen -= len; - break; - case 'f': - len = - SDL_snprintf(msg, maxlen, tmp, - error->args[argi++].value_f); - msg += len; - maxlen -= len; - break; - case 'p': - len = - SDL_snprintf(msg, maxlen, tmp, - error->args[argi++].value_ptr); - msg += len; - maxlen -= len; - break; - case 's': - len = - SDL_snprintf(msg, maxlen, tmp, - SDL_LookupString(error->args[argi++]. - buf)); - msg += len; - maxlen -= len; - break; - } - } else { - *msg++ = *fmt++; - maxlen -= 1; - } - } - *msg = 0; /* NULL terminate the string */ - } - return (errstr); -} - -/* Available for backwards compatibility */ -char * -SDL_GetError(void) -{ - static char errmsg[SDL_ERRBUFIZE]; - - return ((char *) SDL_GetErrorMsg(errmsg, SDL_ERRBUFIZE)); -} - -void -SDL_ClearError(void) -{ - SDL_error *error; - - error = SDL_GetErrBuf(); - error->error = 0; -} - -/* Very common errors go here */ -void -SDL_Error(SDL_errorcode code) -{ - switch (code) { - case SDL_ENOMEM: - SDL_SetError("Out of memory"); - break; - case SDL_EFREAD: - SDL_SetError("Error reading from datastream"); - break; - case SDL_EFWRITE: - SDL_SetError("Error writing to datastream"); - break; - case SDL_EFSEEK: - SDL_SetError("Error seeking in datastream"); - break; - case SDL_UNSUPPORTED: - SDL_SetError("That operation is not supported"); - break; - default: - SDL_SetError("Unknown SDL error"); - break; - } -} - -#ifdef TEST_ERROR -int -main(int argc, char *argv[]) -{ - char buffer[BUFSIZ + 1]; - - SDL_SetError("Hi there!"); - printf("Error 1: %s\n", SDL_GetError()); - SDL_ClearError(); - SDL_memset(buffer, '1', BUFSIZ); - buffer[BUFSIZ] = 0; - SDL_SetError("This is the error: %s (%f)", buffer, 1.0); - printf("Error 2: %s\n", SDL_GetError()); - exit(0); -} -#endif -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/SDL_error_c.h b/macosx/plugins/Common/SDL/src/SDL_error_c.h deleted file mode 100644 index 0e8093e6..00000000 --- a/macosx/plugins/Common/SDL/src/SDL_error_c.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* This file defines a structure that carries language-independent - error messages -*/ - -#ifndef _SDL_error_c_h -#define _SDL_error_c_h - -#define ERR_MAX_STRLEN 128 -#define ERR_MAX_ARGS 5 - -typedef struct SDL_error -{ - /* This is a numeric value corresponding to the current error */ - int error; - - /* This is a key used to index into a language hashtable containing - internationalized versions of the SDL error messages. If the key - is not in the hashtable, or no hashtable is available, the key is - used directly as an error message format string. - */ - char key[ERR_MAX_STRLEN]; - - /* These are the arguments for the error functions */ - int argc; - union - { - void *value_ptr; -#if 0 /* What is a character anyway? (UNICODE issues) */ - unsigned char value_c; -#endif - int value_i; - double value_f; - char buf[ERR_MAX_STRLEN]; - } args[ERR_MAX_ARGS]; -} SDL_error; - -#endif /* _SDL_error_c_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_audio.c b/macosx/plugins/Common/SDL/src/audio/SDL_audio.c deleted file mode 100644 index 1aac56df..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_audio.c +++ /dev/null @@ -1,1121 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Allow access to a raw mixing buffer */ - -#include "SDL.h" -#include "SDL_audio.h" -#include "SDL_audio_c.h" -#include "SDL_audiomem.h" -#include "SDL_sysaudio.h" - -#define _THIS SDL_AudioDevice *_this - -static SDL_AudioDriver current_audio; -static SDL_AudioDevice *open_devices[16]; - -/* !!! FIXME: These are wordy and unlocalized... */ -#define DEFAULT_OUTPUT_DEVNAME "System audio output device" -#define DEFAULT_INPUT_DEVNAME "System audio capture device" - - -/* - * Not all of these will be compiled and linked in, but it's convenient - * to have a complete list here and saves yet-another block of #ifdefs... - * Please see bootstrap[], below, for the actual #ifdef mess. - */ - -extern AudioBootStrap COREAUDIO_bootstrap; - -/* Available audio drivers */ -static const AudioBootStrap *const bootstrap[] = { - &COREAUDIO_bootstrap, NULL -}; - -static SDL_AudioDevice * -get_audio_device(SDL_AudioDeviceID id) -{ - id--; - if ((id >= SDL_arraysize(open_devices)) || (open_devices[id] == NULL)) { - SDL_SetError("Invalid audio device ID"); - return NULL; - } - - return open_devices[id]; -} - - -/* stubs for audio drivers that don't need a specific entry point... */ -static int -SDL_AudioDetectDevices_Default(int iscapture) -{ - return -1; -} - -static void -SDL_AudioThreadInit_Default(_THIS) -{ /* no-op. */ -} - -static void -SDL_AudioWaitDevice_Default(_THIS) -{ /* no-op. */ -} - -static void -SDL_AudioPlayDevice_Default(_THIS) -{ /* no-op. */ -} - -static Uint8 * -SDL_AudioGetDeviceBuf_Default(_THIS) -{ - return NULL; -} - -static void -SDL_AudioWaitDone_Default(_THIS) -{ /* no-op. */ -} - -static void -SDL_AudioCloseDevice_Default(_THIS) -{ /* no-op. */ -} - -static void -SDL_AudioDeinitialize_Default(void) -{ /* no-op. */ -} - -static int -SDL_AudioOpenDevice_Default(_THIS, const char *devname, int iscapture) -{ - return 0; -} - -static const char * -SDL_AudioGetDeviceName_Default(int index, int iscapture) -{ - SDL_SetError("No such device"); - return NULL; -} - -static void -SDL_AudioLockDevice_Default(SDL_AudioDevice * device) -{ - if (device->thread && (SDL_ThreadID() == device->threadid)) { - return; - } - SDL_mutexP(device->mixer_lock); -} - -static void -SDL_AudioUnlockDevice_Default(SDL_AudioDevice * device) -{ - if (device->thread && (SDL_ThreadID() == device->threadid)) { - return; - } - SDL_mutexV(device->mixer_lock); -} - - -static void -finalize_audio_entry_points(void) -{ - /* - * Fill in stub functions for unused driver entry points. This lets us - * blindly call them without having to check for validity first. - */ - -#define FILL_STUB(x) \ - if (current_audio.impl.x == NULL) { \ - current_audio.impl.x = SDL_Audio##x##_Default; \ - } - FILL_STUB(DetectDevices); - FILL_STUB(GetDeviceName); - FILL_STUB(OpenDevice); - FILL_STUB(ThreadInit); - FILL_STUB(WaitDevice); - FILL_STUB(PlayDevice); - FILL_STUB(GetDeviceBuf); - FILL_STUB(WaitDone); - FILL_STUB(CloseDevice); - FILL_STUB(LockDevice); - FILL_STUB(UnlockDevice); - FILL_STUB(Deinitialize); -#undef FILL_STUB -} - -/* Streaming functions (for when the input and output buffer sizes are different) */ -/* Write [length] bytes from buf into the streamer */ -static void -SDL_StreamWrite(SDL_AudioStreamer * stream, Uint8 * buf, int length) -{ - int i; - - for (i = 0; i < length; ++i) { - stream->buffer[stream->write_pos] = buf[i]; - ++stream->write_pos; - } -} - -/* Read [length] bytes out of the streamer into buf */ -static void -SDL_StreamRead(SDL_AudioStreamer * stream, Uint8 * buf, int length) -{ - int i; - - for (i = 0; i < length; ++i) { - buf[i] = stream->buffer[stream->read_pos]; - ++stream->read_pos; - } -} - -static int -SDL_StreamLength(SDL_AudioStreamer * stream) -{ - return (stream->write_pos - stream->read_pos) % stream->max_len; -} - -/* Initialize the stream by allocating the buffer and setting the read/write heads to the beginning */ -#if 0 -static int -SDL_StreamInit(SDL_AudioStreamer * stream, int max_len, Uint8 silence) -{ - /* First try to allocate the buffer */ - stream->buffer = (Uint8 *) SDL_malloc(max_len); - if (stream->buffer == NULL) { - return -1; - } - - stream->max_len = max_len; - stream->read_pos = 0; - stream->write_pos = 0; - - /* Zero out the buffer */ - SDL_memset(stream->buffer, silence, max_len); - - return 0; -} -#endif - -/* Deinitialize the stream simply by freeing the buffer */ -static void -SDL_StreamDeinit(SDL_AudioStreamer * stream) -{ - if (stream->buffer != NULL) { - SDL_free(stream->buffer); - } -} - -/* The general mixing thread function */ -int SDLCALL -SDL_RunAudio(void *devicep) -{ - SDL_AudioDevice *device = (SDL_AudioDevice *) devicep; - Uint8 *stream; - int stream_len; - void *udata; - void (SDLCALL * fill) (void *userdata, Uint8 * stream, int len); - int silence; - Uint32 delay; - - /* For streaming when the buffer sizes don't match up */ - Uint8 *istream; - int istream_len = 0; - - /* Perform any thread setup */ - device->threadid = SDL_ThreadID(); - current_audio.impl.ThreadInit(device); - - /* Set up the mixing function */ - fill = device->spec.callback; - udata = device->spec.userdata; - - /* By default do not stream */ - device->use_streamer = 0; - - if (device->convert.needed) { - if (device->convert.src_format == AUDIO_U8) { - silence = 0x80; - } else { - silence = 0; - } - -#if 0 /* !!! FIXME: I took len_div out of the structure. Use rate_incr instead? */ - /* If the result of the conversion alters the length, i.e. resampling is being used, use the streamer */ - if (device->convert.len_mult != 1 || device->convert.len_div != 1) { - /* The streamer's maximum length should be twice whichever is larger: spec.size or len_cvt */ - stream_max_len = 2 * device->spec.size; - if (device->convert.len_mult > device->convert.len_div) { - stream_max_len *= device->convert.len_mult; - stream_max_len /= device->convert.len_div; - } - if (SDL_StreamInit(&device->streamer, stream_max_len, silence) < - 0) - return -1; - device->use_streamer = 1; - - /* istream_len should be the length of what we grab from the callback and feed to conversion, - so that we get close to spec_size. I.e. we want device.spec_size = istream_len * u / d - */ - istream_len = - device->spec.size * device->convert.len_div / - device->convert.len_mult; - } -#endif - - /* stream_len = device->convert.len; */ - stream_len = device->spec.size; - } else { - silence = device->spec.silence; - stream_len = device->spec.size; - } - - /* Calculate the delay while paused */ - delay = ((device->spec.samples * 1000) / device->spec.freq); - - /* Determine if the streamer is necessary here */ - if (device->use_streamer == 1) { - /* This code is almost the same as the old code. The difference is, instead of reading - directly from the callback into "stream", then converting and sending the audio off, - we go: callback -> "istream" -> (conversion) -> streamer -> stream -> device. - However, reading and writing with streamer are done separately: - - We only call the callback and write to the streamer when the streamer does not - contain enough samples to output to the device. - - We only read from the streamer and tell the device to play when the streamer - does have enough samples to output. - This allows us to perform resampling in the conversion step, where the output of the - resampling process can be any number. We will have to see what a good size for the - stream's maximum length is, but I suspect 2*max(len_cvt, stream_len) is a good figure. - */ - while (device->enabled) { - - if (device->paused) { - SDL_Delay(delay); - continue; - } - - /* Only read in audio if the streamer doesn't have enough already (if it does not have enough samples to output) */ - if (SDL_StreamLength(&device->streamer) < stream_len) { - /* Set up istream */ - if (device->convert.needed) { - if (device->convert.buf) { - istream = device->convert.buf; - } else { - continue; - } - } else { -/* FIXME: Ryan, this is probably wrong. I imagine we don't want to get - * a device buffer both here and below in the stream output. - */ - istream = current_audio.impl.GetDeviceBuf(device); - if (istream == NULL) { - istream = device->fake_stream; - } - } - - /* Read from the callback into the _input_ stream */ - SDL_mutexP(device->mixer_lock); - (*fill) (udata, istream, istream_len); - SDL_mutexV(device->mixer_lock); - - /* Convert the audio if necessary and write to the streamer */ - if (device->convert.needed) { - SDL_ConvertAudio(&device->convert); - if (istream == NULL) { - istream = device->fake_stream; - } - /*SDL_memcpy(istream, device->convert.buf, device->convert.len_cvt); */ - SDL_StreamWrite(&device->streamer, device->convert.buf, - device->convert.len_cvt); - } else { - SDL_StreamWrite(&device->streamer, istream, istream_len); - } - } - - /* Only output audio if the streamer has enough to output */ - if (SDL_StreamLength(&device->streamer) >= stream_len) { - /* Set up the output stream */ - if (device->convert.needed) { - if (device->convert.buf) { - stream = device->convert.buf; - } else { - continue; - } - } else { - stream = current_audio.impl.GetDeviceBuf(device); - if (stream == NULL) { - stream = device->fake_stream; - } - } - - /* Now read from the streamer */ - SDL_StreamRead(&device->streamer, stream, stream_len); - - /* Ready current buffer for play and change current buffer */ - if (stream != device->fake_stream) { - current_audio.impl.PlayDevice(device); - /* Wait for an audio buffer to become available */ - current_audio.impl.WaitDevice(device); - } else { - SDL_Delay(delay); - } - } - - } - } else { - /* Otherwise, do not use the streamer. This is the old code. */ - - /* Loop, filling the audio buffers */ - while (device->enabled) { - - if (device->paused) { - SDL_Delay(delay); - continue; - } - - /* Fill the current buffer with sound */ - if (device->convert.needed) { - if (device->convert.buf) { - stream = device->convert.buf; - } else { - continue; - } - } else { - stream = current_audio.impl.GetDeviceBuf(device); - if (stream == NULL) { - stream = device->fake_stream; - } - } - - SDL_mutexP(device->mixer_lock); - (*fill) (udata, stream, stream_len); - SDL_mutexV(device->mixer_lock); - - /* Convert the audio if necessary */ - if (device->convert.needed) { - SDL_ConvertAudio(&device->convert); - stream = current_audio.impl.GetDeviceBuf(device); - if (stream == NULL) { - stream = device->fake_stream; - } - SDL_memcpy(stream, device->convert.buf, - device->convert.len_cvt); - } - - /* Ready current buffer for play and change current buffer */ - if (stream != device->fake_stream) { - current_audio.impl.PlayDevice(device); - /* Wait for an audio buffer to become available */ - current_audio.impl.WaitDevice(device); - } else { - SDL_Delay(delay); - } - } - } - - /* Wait for the audio to drain.. */ - current_audio.impl.WaitDone(device); - - /* If necessary, deinit the streamer */ - if (device->use_streamer == 1) - SDL_StreamDeinit(&device->streamer); - - return (0); -} - - -static SDL_AudioFormat -SDL_ParseAudioFormat(const char *string) -{ -#define CHECK_FMT_STRING(x) if (SDL_strcmp(string, #x) == 0) return AUDIO_##x - CHECK_FMT_STRING(U8); - CHECK_FMT_STRING(S8); - CHECK_FMT_STRING(U16LSB); - CHECK_FMT_STRING(S16LSB); - CHECK_FMT_STRING(U16MSB); - CHECK_FMT_STRING(S16MSB); - CHECK_FMT_STRING(U16SYS); - CHECK_FMT_STRING(S16SYS); - CHECK_FMT_STRING(U16); - CHECK_FMT_STRING(S16); - CHECK_FMT_STRING(S32LSB); - CHECK_FMT_STRING(S32MSB); - CHECK_FMT_STRING(S32SYS); - CHECK_FMT_STRING(S32); - CHECK_FMT_STRING(F32LSB); - CHECK_FMT_STRING(F32MSB); - CHECK_FMT_STRING(F32SYS); - CHECK_FMT_STRING(F32); -#undef CHECK_FMT_STRING - return 0; -} - -int -SDL_GetNumAudioDrivers(void) -{ - return (SDL_arraysize(bootstrap) - 1); -} - -const char * -SDL_GetAudioDriver(int index) -{ - if (index >= 0 && index < SDL_GetNumAudioDrivers()) { - return (bootstrap[index]->name); - } - return (NULL); -} - -int -SDL_AudioInit(const char *driver_name) -{ - int i = 0; - int initialized = 0; - int tried_to_init = 0; - - if (SDL_WasInit(SDL_INIT_AUDIO)) { - SDL_AudioQuit(); /* shutdown driver if already running. */ - } - - SDL_memset(¤t_audio, '\0', sizeof(current_audio)); - SDL_memset(open_devices, '\0', sizeof(open_devices)); - - /* Select the proper audio driver */ - if (driver_name == NULL) { - driver_name = SDL_getenv("SDL_AUDIODRIVER"); - } - - for (i = 0; (!initialized) && (bootstrap[i]); ++i) { - /* make sure we should even try this driver before doing so... */ - const AudioBootStrap *backend = bootstrap[i]; - if (((driver_name) && (SDL_strcasecmp(backend->name, driver_name))) || - ((!driver_name) && (backend->demand_only))) { - continue; - } - - tried_to_init = 1; - SDL_memset(¤t_audio, 0, sizeof(current_audio)); - current_audio.name = backend->name; - current_audio.desc = backend->desc; - initialized = backend->init(¤t_audio.impl); - } - - if (!initialized) { - /* specific drivers will set the error message if they fail... */ - if (!tried_to_init) { - if (driver_name) { - SDL_SetError("Audio target '%s' not available", driver_name); - } else { - SDL_SetError("No available audio device"); - } - } - - SDL_memset(¤t_audio, 0, sizeof(current_audio)); - return (-1); /* No driver was available, so fail. */ - } - - finalize_audio_entry_points(); - - return (0); -} - -/* - * Get the current audio driver name - */ -const char * -SDL_GetCurrentAudioDriver() -{ - return current_audio.name; -} - - -int -SDL_GetNumAudioDevices(int iscapture) -{ - if (!SDL_WasInit(SDL_INIT_AUDIO)) { - return -1; - } - if ((iscapture) && (!current_audio.impl.HasCaptureSupport)) { - return 0; - } - - if ((iscapture) && (current_audio.impl.OnlyHasDefaultInputDevice)) { - return 1; - } - - if ((!iscapture) && (current_audio.impl.OnlyHasDefaultOutputDevice)) { - return 1; - } - - return current_audio.impl.DetectDevices(iscapture); -} - - -const char * -SDL_GetAudioDeviceName(int index, int iscapture) -{ - if (!SDL_WasInit(SDL_INIT_AUDIO)) { - SDL_SetError("Audio subsystem is not initialized"); - return NULL; - } - - if ((iscapture) && (!current_audio.impl.HasCaptureSupport)) { - SDL_SetError("No capture support"); - return NULL; - } - - if (index < 0) { - SDL_SetError("No such device"); - return NULL; - } - - if ((iscapture) && (current_audio.impl.OnlyHasDefaultInputDevice)) { - return DEFAULT_INPUT_DEVNAME; - } - - if ((!iscapture) && (current_audio.impl.OnlyHasDefaultOutputDevice)) { - return DEFAULT_OUTPUT_DEVNAME; - } - - return current_audio.impl.GetDeviceName(index, iscapture); -} - - -static void -close_audio_device(SDL_AudioDevice * device) -{ - device->enabled = 0; - if (device->thread != NULL) { - SDL_WaitThread(device->thread, NULL); - } - if (device->mixer_lock != NULL) { - SDL_DestroyMutex(device->mixer_lock); - } - if (device->fake_stream != NULL) { - SDL_FreeAudioMem(device->fake_stream); - } - if (device->convert.needed) { - SDL_FreeAudioMem(device->convert.buf); - } - if (device->opened) { - current_audio.impl.CloseDevice(device); - device->opened = 0; - } - SDL_FreeAudioMem(device); -} - - -/* - * Sanity check desired AudioSpec for SDL_OpenAudio() in (orig). - * Fills in a sanitized copy in (prepared). - * Returns non-zero if okay, zero on fatal parameters in (orig). - */ -static int -prepare_audiospec(const SDL_AudioSpec * orig, SDL_AudioSpec * prepared) -{ - SDL_memcpy(prepared, orig, sizeof(SDL_AudioSpec)); - - if (orig->callback == NULL) { - SDL_SetError("SDL_OpenAudio() passed a NULL callback"); - return 0; - } - - if (orig->freq == 0) { - const char *env = SDL_getenv("SDL_AUDIO_FREQUENCY"); - if ((!env) || ((prepared->freq = SDL_atoi(env)) == 0)) { - prepared->freq = 22050; /* a reasonable default */ - } - } - - if (orig->format == 0) { - const char *env = SDL_getenv("SDL_AUDIO_FORMAT"); - if ((!env) || ((prepared->format = SDL_ParseAudioFormat(env)) == 0)) { - prepared->format = AUDIO_S16; /* a reasonable default */ - } - } - - switch (orig->channels) { - case 0:{ - const char *env = SDL_getenv("SDL_AUDIO_CHANNELS"); - if ((!env) || ((prepared->channels = (Uint8) SDL_atoi(env)) == 0)) { - prepared->channels = 2; /* a reasonable default */ - } - break; - } - case 1: /* Mono */ - case 2: /* Stereo */ - case 4: /* surround */ - case 6: /* surround with center and lfe */ - break; - default: - SDL_SetError("Unsupported number of audio channels."); - return 0; - } - - if (orig->samples == 0) { - const char *env = SDL_getenv("SDL_AUDIO_SAMPLES"); - if ((!env) || ((prepared->samples = (Uint16) SDL_atoi(env)) == 0)) { - /* Pick a default of ~46 ms at desired frequency */ - /* !!! FIXME: remove this when the non-Po2 resampling is in. */ - const int samples = (prepared->freq / 1000) * 46; - int power2 = 1; - while (power2 < samples) { - power2 *= 2; - } - prepared->samples = power2; - } - } - - /* Calculate the silence and size of the audio specification */ - SDL_CalculateAudioSpec(prepared); - - return 1; -} - - -static SDL_AudioDeviceID -open_audio_device(const char *devname, int iscapture, - const SDL_AudioSpec * desired, SDL_AudioSpec * obtained, - int allowed_changes, int min_id) -{ - SDL_AudioDeviceID id = 0; - SDL_AudioSpec _obtained; - SDL_AudioDevice *device; - SDL_bool build_cvt; - int i = 0; - - if (!SDL_WasInit(SDL_INIT_AUDIO)) { - SDL_SetError("Audio subsystem is not initialized"); - return 0; - } - - if ((iscapture) && (!current_audio.impl.HasCaptureSupport)) { - SDL_SetError("No capture support"); - return 0; - } - - if (!obtained) { - obtained = &_obtained; - } - if (!prepare_audiospec(desired, obtained)) { - return 0; - } - - /* If app doesn't care about a specific device, let the user override. */ - if (devname == NULL) { - devname = SDL_getenv("SDL_AUDIO_DEVICE_NAME"); - } - - /* - * Catch device names at the high level for the simple case... - * This lets us have a basic "device enumeration" for systems that - * don't have multiple devices, but makes sure the device name is - * always NULL when it hits the low level. - * - * Also make sure that the simple case prevents multiple simultaneous - * opens of the default system device. - */ - - if ((iscapture) && (current_audio.impl.OnlyHasDefaultInputDevice)) { - if ((devname) && (SDL_strcmp(devname, DEFAULT_INPUT_DEVNAME) != 0)) { - SDL_SetError("No such device"); - return 0; - } - devname = NULL; - - for (i = 0; i < SDL_arraysize(open_devices); i++) { - if ((open_devices[i]) && (open_devices[i]->iscapture)) { - SDL_SetError("Audio device already open"); - return 0; - } - } - } - - if ((!iscapture) && (current_audio.impl.OnlyHasDefaultOutputDevice)) { - if ((devname) && (SDL_strcmp(devname, DEFAULT_OUTPUT_DEVNAME) != 0)) { - SDL_SetError("No such device"); - return 0; - } - devname = NULL; - - for (i = 0; i < SDL_arraysize(open_devices); i++) { - if ((open_devices[i]) && (!open_devices[i]->iscapture)) { - SDL_SetError("Audio device already open"); - return 0; - } - } - } - - device = (SDL_AudioDevice *) SDL_AllocAudioMem(sizeof(SDL_AudioDevice)); - if (device == NULL) { - SDL_OutOfMemory(); - return 0; - } - SDL_memset(device, '\0', sizeof(SDL_AudioDevice)); - device->spec = *obtained; - device->enabled = 1; - device->paused = 1; - device->iscapture = iscapture; - - /* Create a semaphore for locking the sound buffers */ - if (!current_audio.impl.SkipMixerLock) { - device->mixer_lock = SDL_CreateMutex(); - if (device->mixer_lock == NULL) { - close_audio_device(device); - SDL_SetError("Couldn't create mixer lock"); - return 0; - } - } - - if (!current_audio.impl.OpenDevice(device, devname, iscapture)) { - close_audio_device(device); - return 0; - } - device->opened = 1; - - /* Allocate a fake audio memory buffer */ - device->fake_stream = (Uint8 *)SDL_AllocAudioMem(device->spec.size); - if (device->fake_stream == NULL) { - close_audio_device(device); - SDL_OutOfMemory(); - return 0; - } - - /* If the audio driver changes the buffer size, accept it */ - if (device->spec.samples != obtained->samples) { - obtained->samples = device->spec.samples; - SDL_CalculateAudioSpec(obtained); - } - - /* See if we need to do any conversion */ - build_cvt = SDL_FALSE; - if (obtained->freq != device->spec.freq) { - if (allowed_changes & SDL_AUDIO_ALLOW_FREQUENCY_CHANGE) { - obtained->freq = device->spec.freq; - } else { - build_cvt = SDL_TRUE; - } - } - if (obtained->format != device->spec.format) { - if (allowed_changes & SDL_AUDIO_ALLOW_FORMAT_CHANGE) { - obtained->format = device->spec.format; - } else { - build_cvt = SDL_TRUE; - } - } - if (obtained->channels != device->spec.channels) { - if (allowed_changes & SDL_AUDIO_ALLOW_CHANNELS_CHANGE) { - obtained->channels = device->spec.channels; - } else { - build_cvt = SDL_TRUE; - } - } - if (build_cvt) { - /* Build an audio conversion block */ - if (SDL_BuildAudioCVT(&device->convert, - obtained->format, obtained->channels, - obtained->freq, - device->spec.format, device->spec.channels, - device->spec.freq) < 0) { - close_audio_device(device); - return 0; - } - if (device->convert.needed) { - device->convert.len = (int) (((double) obtained->size) / - device->convert.len_ratio); - - device->convert.buf = - (Uint8 *) SDL_AllocAudioMem(device->convert.len * - device->convert.len_mult); - if (device->convert.buf == NULL) { - close_audio_device(device); - SDL_OutOfMemory(); - return 0; - } - } - } - - /* Find an available device ID and store the structure... */ - for (id = min_id - 1; id < SDL_arraysize(open_devices); id++) { - if (open_devices[id] == NULL) { - open_devices[id] = device; - break; - } - } - - if (id == SDL_arraysize(open_devices)) { - SDL_SetError("Too many open audio devices"); - close_audio_device(device); - return 0; - } - - /* Start the audio thread if necessary */ - if (!current_audio.impl.ProvidesOwnCallbackThread) { - /* Start the audio thread */ -/* !!! FIXME: this is nasty. */ -#if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC) -#undef SDL_CreateThread - device->thread = SDL_CreateThread(SDL_RunAudio, device, NULL, NULL); -#else - device->thread = SDL_CreateThread(SDL_RunAudio, device); -#endif - if (device->thread == NULL) { - SDL_CloseAudioDevice(id + 1); - SDL_SetError("Couldn't create audio thread"); - return 0; - } - } - - return id + 1; -} - - -int -SDL_OpenAudio(SDL_AudioSpec * desired, SDL_AudioSpec * obtained) -{ - SDL_AudioDeviceID id = 0; - - /* Start up the audio driver, if necessary. This is legacy behaviour! */ - if (!SDL_WasInit(SDL_INIT_AUDIO)) { - if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) { - return (-1); - } - } - - /* SDL_OpenAudio() is legacy and can only act on Device ID #1. */ - if (open_devices[0] != NULL) { - SDL_SetError("Audio device is already opened"); - return (-1); - } - - if (obtained) { - id = open_audio_device(NULL, 0, desired, obtained, - SDL_AUDIO_ALLOW_ANY_CHANGE, 1); - } else { - id = open_audio_device(NULL, 0, desired, desired, 0, 1); - } - if (id > 1) { /* this should never happen in theory... */ - SDL_CloseAudioDevice(id); - SDL_SetError("Internal error"); /* MUST be Device ID #1! */ - return (-1); - } - - return ((id == 0) ? -1 : 0); -} - -SDL_AudioDeviceID -SDL_OpenAudioDevice(const char *device, int iscapture, - const SDL_AudioSpec * desired, SDL_AudioSpec * obtained, - int allowed_changes) -{ - return open_audio_device(device, iscapture, desired, obtained, - allowed_changes, 2); -} - -SDL_AudioStatus -SDL_GetAudioDeviceStatus(SDL_AudioDeviceID devid) -{ - SDL_AudioDevice *device = get_audio_device(devid); - SDL_AudioStatus status = SDL_AUDIO_STOPPED; - if (device && device->enabled) { - if (device->paused) { - status = SDL_AUDIO_PAUSED; - } else { - status = SDL_AUDIO_PLAYING; - } - } - return (status); -} - - -SDL_AudioStatus -SDL_GetAudioStatus(void) -{ - return SDL_GetAudioDeviceStatus(1); -} - -void -SDL_PauseAudioDevice(SDL_AudioDeviceID devid, int pause_on) -{ - SDL_AudioDevice *device = get_audio_device(devid); - if (device) { - device->paused = pause_on; - } -} - -void -SDL_PauseAudio(int pause_on) -{ - SDL_PauseAudioDevice(1, pause_on); -} - - -void -SDL_LockAudioDevice(SDL_AudioDeviceID devid) -{ - /* Obtain a lock on the mixing buffers */ - SDL_AudioDevice *device = get_audio_device(devid); - if (device) { - current_audio.impl.LockDevice(device); - } -} - -void -SDL_LockAudio(void) -{ - SDL_LockAudioDevice(1); -} - -void -SDL_UnlockAudioDevice(SDL_AudioDeviceID devid) -{ - /* Obtain a lock on the mixing buffers */ - SDL_AudioDevice *device = get_audio_device(devid); - if (device) { - current_audio.impl.UnlockDevice(device); - } -} - -void -SDL_UnlockAudio(void) -{ - SDL_UnlockAudioDevice(1); -} - -void -SDL_CloseAudioDevice(SDL_AudioDeviceID devid) -{ - SDL_AudioDevice *device = get_audio_device(devid); - if (device) { - close_audio_device(device); - open_devices[devid - 1] = NULL; - } -} - -void -SDL_CloseAudio(void) -{ - SDL_CloseAudioDevice(1); -} - -void -SDL_AudioQuit(void) -{ - SDL_AudioDeviceID i; - for (i = 0; i < SDL_arraysize(open_devices); i++) { - SDL_CloseAudioDevice(i); - } - - /* Free the driver data */ - current_audio.impl.Deinitialize(); - SDL_memset(¤t_audio, '\0', sizeof(current_audio)); - SDL_memset(open_devices, '\0', sizeof(open_devices)); -} - -#define NUM_FORMATS 10 -static int format_idx; -static int format_idx_sub; -static SDL_AudioFormat format_list[NUM_FORMATS][NUM_FORMATS] = { - {AUDIO_U8, AUDIO_S8, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_U16LSB, - AUDIO_U16MSB, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB}, - {AUDIO_S8, AUDIO_U8, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_U16LSB, - AUDIO_U16MSB, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB}, - {AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_S32LSB, - AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_S16MSB, AUDIO_S16LSB, AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_S32MSB, - AUDIO_S32LSB, AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_S32LSB, - AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_S16MSB, AUDIO_S16LSB, AUDIO_S32MSB, - AUDIO_S32LSB, AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_S16LSB, - AUDIO_S16MSB, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_S32MSB, AUDIO_S32LSB, AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_S16MSB, - AUDIO_S16LSB, AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_S16LSB, - AUDIO_S16MSB, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_U8, AUDIO_S8}, - {AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_S32MSB, AUDIO_S32LSB, AUDIO_S16MSB, - AUDIO_S16LSB, AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_U8, AUDIO_S8}, -}; - -SDL_AudioFormat -SDL_FirstAudioFormat(SDL_AudioFormat format) -{ - for (format_idx = 0; format_idx < NUM_FORMATS; ++format_idx) { - if (format_list[format_idx][0] == format) { - break; - } - } - format_idx_sub = 0; - return (SDL_NextAudioFormat()); -} - -SDL_AudioFormat -SDL_NextAudioFormat(void) -{ - if ((format_idx == NUM_FORMATS) || (format_idx_sub == NUM_FORMATS)) { - return (0); - } - return (format_list[format_idx][format_idx_sub++]); -} - -void -SDL_CalculateAudioSpec(SDL_AudioSpec * spec) -{ - switch (spec->format) { - case AUDIO_U8: - spec->silence = 0x80; - break; - default: - spec->silence = 0x00; - break; - } - spec->size = SDL_AUDIO_BITSIZE(spec->format) / 8; - spec->size *= spec->channels; - spec->size *= spec->samples; -} - - -/* - * Moved here from SDL_mixer.c, since it relies on internals of an opened - * audio device (and is deprecated, by the way!). - */ -void -SDL_MixAudio(Uint8 * dst, const Uint8 * src, Uint32 len, int volume) -{ - /* Mix the user-level audio format */ - SDL_AudioDevice *device = get_audio_device(1); - if (device != NULL) { - SDL_AudioFormat format; - if (device->convert.needed) { - format = device->convert.src_format; - } else { - format = device->spec.format; - } - SDL_MixAudioFormat(dst, src, format, len, volume); - } -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_audio_c.h b/macosx/plugins/Common/SDL/src/audio/SDL_audio_c.h deleted file mode 100644 index b85b4a5b..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_audio_c.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Functions and variables exported from SDL_audio.c for SDL_sysaudio.c */ - -/* Functions to get a list of "close" audio formats */ -extern SDL_AudioFormat SDL_FirstAudioFormat(SDL_AudioFormat format); -extern SDL_AudioFormat SDL_NextAudioFormat(void); - -/* Function to calculate the size and silence for a SDL_AudioSpec */ -extern void SDL_CalculateAudioSpec(SDL_AudioSpec * spec); - -/* The actual mixing thread function */ -extern int SDLCALL SDL_RunAudio(void *audiop); - -/* this is used internally to access some autogenerated code. */ -typedef struct -{ - SDL_AudioFormat src_fmt; - SDL_AudioFormat dst_fmt; - SDL_AudioFilter filter; -} SDL_AudioTypeFilters; -extern const SDL_AudioTypeFilters sdl_audio_type_filters[]; - -/* this is used internally to access some autogenerated code. */ -typedef struct -{ - SDL_AudioFormat fmt; - int channels; - int upsample; - int multiple; - SDL_AudioFilter filter; -} SDL_AudioRateFilters; -extern const SDL_AudioRateFilters sdl_audio_rate_filters[]; - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_audiocvt.c b/macosx/plugins/Common/SDL/src/audio/SDL_audiocvt.c deleted file mode 100644 index e8568e1d..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_audiocvt.c +++ /dev/null @@ -1,1080 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Functions for audio drivers to perform runtime conversion of audio format */ - -#include "SDL_audio.h" -#include "SDL_audio_c.h" - -/* #define DEBUG_CONVERT */ - -/* !!! FIXME */ -#ifndef assert -#define assert(x) -#endif - -/* Effectively mix right and left channels into a single channel */ -static void SDLCALL -SDL_ConvertMono(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - Sint32 sample; - -#ifdef DEBUG_CONVERT - fprintf(stderr, "Converting to mono\n"); -#endif - switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) { - case AUDIO_U8: - { - Uint8 *src, *dst; - - src = cvt->buf; - dst = cvt->buf; - for (i = cvt->len_cvt / 2; i; --i) { - sample = src[0] + src[1]; - *dst = (Uint8) (sample / 2); - src += 2; - dst += 1; - } - } - break; - - case AUDIO_S8: - { - Sint8 *src, *dst; - - src = (Sint8 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / 2; i; --i) { - sample = src[0] + src[1]; - *dst = (Sint8) (sample / 2); - src += 2; - dst += 1; - } - } - break; - - case AUDIO_U16: - { - Uint8 *src, *dst; - - src = cvt->buf; - dst = cvt->buf; - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 4; i; --i) { - sample = (Uint16) ((src[0] << 8) | src[1]) + - (Uint16) ((src[2] << 8) | src[3]); - sample /= 2; - dst[1] = (sample & 0xFF); - sample >>= 8; - dst[0] = (sample & 0xFF); - src += 4; - dst += 2; - } - } else { - for (i = cvt->len_cvt / 4; i; --i) { - sample = (Uint16) ((src[1] << 8) | src[0]) + - (Uint16) ((src[3] << 8) | src[2]); - sample /= 2; - dst[0] = (sample & 0xFF); - sample >>= 8; - dst[1] = (sample & 0xFF); - src += 4; - dst += 2; - } - } - } - break; - - case AUDIO_S16: - { - Uint8 *src, *dst; - - src = cvt->buf; - dst = cvt->buf; - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 4; i; --i) { - sample = (Sint16) ((src[0] << 8) | src[1]) + - (Sint16) ((src[2] << 8) | src[3]); - sample /= 2; - dst[1] = (sample & 0xFF); - sample >>= 8; - dst[0] = (sample & 0xFF); - src += 4; - dst += 2; - } - } else { - for (i = cvt->len_cvt / 4; i; --i) { - sample = (Sint16) ((src[1] << 8) | src[0]) + - (Sint16) ((src[3] << 8) | src[2]); - sample /= 2; - dst[0] = (sample & 0xFF); - sample >>= 8; - dst[1] = (sample & 0xFF); - src += 4; - dst += 2; - } - } - } - break; - - case AUDIO_S32: - { - const Uint32 *src = (const Uint32 *) cvt->buf; - Uint32 *dst = (Uint32 *) cvt->buf; - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 8; i; --i, src += 2) { - const Sint64 added = - (((Sint64) (Sint32) SDL_SwapBE32(src[0])) + - ((Sint64) (Sint32) SDL_SwapBE32(src[1]))); - *(dst++) = SDL_SwapBE32((Uint32) ((Sint32) (added / 2))); - } - } else { - for (i = cvt->len_cvt / 8; i; --i, src += 2) { - const Sint64 added = - (((Sint64) (Sint32) SDL_SwapLE32(src[0])) + - ((Sint64) (Sint32) SDL_SwapLE32(src[1]))); - *(dst++) = SDL_SwapLE32((Uint32) ((Sint32) (added / 2))); - } - } - } - break; - - case AUDIO_F32: - { - const float *src = (const float *) cvt->buf; - float *dst = (float *) cvt->buf; - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 8; i; --i, src += 2) { - const float src1 = SDL_SwapFloatBE(src[0]); - const float src2 = SDL_SwapFloatBE(src[1]); - const double added = ((double) src1) + ((double) src2); - const float halved = (float) (added * 0.5); - *(dst++) = SDL_SwapFloatBE(halved); - } - } else { - for (i = cvt->len_cvt / 8; i; --i, src += 2) { - const float src1 = SDL_SwapFloatLE(src[0]); - const float src2 = SDL_SwapFloatLE(src[1]); - const double added = ((double) src1) + ((double) src2); - const float halved = (float) (added * 0.5); - *(dst++) = SDL_SwapFloatLE(halved); - } - } - } - break; - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - - -/* Discard top 4 channels */ -static void SDLCALL -SDL_ConvertStrip(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - -#ifdef DEBUG_CONVERT - fprintf(stderr, "Converting down from 6 channels to stereo\n"); -#endif - -#define strip_chans_6_to_2(type) \ - { \ - const type *src = (const type *) cvt->buf; \ - type *dst = (type *) cvt->buf; \ - for (i = cvt->len_cvt / (sizeof (type) * 6); i; --i) { \ - dst[0] = src[0]; \ - dst[1] = src[1]; \ - src += 6; \ - dst += 2; \ - } \ - } - - /* this function only cares about typesize, and data as a block of bits. */ - switch (SDL_AUDIO_BITSIZE(format)) { - case 8: - strip_chans_6_to_2(Uint8); - break; - case 16: - strip_chans_6_to_2(Uint16); - break; - case 32: - strip_chans_6_to_2(Uint32); - break; - } - -#undef strip_chans_6_to_2 - - cvt->len_cvt /= 3; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - - -/* Discard top 2 channels of 6 */ -static void SDLCALL -SDL_ConvertStrip_2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - -#ifdef DEBUG_CONVERT - fprintf(stderr, "Converting 6 down to quad\n"); -#endif - -#define strip_chans_6_to_4(type) \ - { \ - const type *src = (const type *) cvt->buf; \ - type *dst = (type *) cvt->buf; \ - for (i = cvt->len_cvt / (sizeof (type) * 6); i; --i) { \ - dst[0] = src[0]; \ - dst[1] = src[1]; \ - dst[2] = src[2]; \ - dst[3] = src[3]; \ - src += 6; \ - dst += 4; \ - } \ - } - - /* this function only cares about typesize, and data as a block of bits. */ - switch (SDL_AUDIO_BITSIZE(format)) { - case 8: - strip_chans_6_to_4(Uint8); - break; - case 16: - strip_chans_6_to_4(Uint16); - break; - case 32: - strip_chans_6_to_4(Uint32); - break; - } - -#undef strip_chans_6_to_4 - - cvt->len_cvt /= 6; - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -/* Duplicate a mono channel to both stereo channels */ -static void SDLCALL -SDL_ConvertStereo(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - -#ifdef DEBUG_CONVERT - fprintf(stderr, "Converting to stereo\n"); -#endif - -#define dup_chans_1_to_2(type) \ - { \ - const type *src = (const type *) (cvt->buf + cvt->len_cvt); \ - type *dst = (type *) (cvt->buf + cvt->len_cvt * 2); \ - for (i = cvt->len_cvt / 2; i; --i, --src) { \ - const type val = *src; \ - dst -= 2; \ - dst[0] = dst[1] = val; \ - } \ - } - - /* this function only cares about typesize, and data as a block of bits. */ - switch (SDL_AUDIO_BITSIZE(format)) { - case 8: - dup_chans_1_to_2(Uint8); - break; - case 16: - dup_chans_1_to_2(Uint16); - break; - case 32: - dup_chans_1_to_2(Uint32); - break; - } - -#undef dup_chans_1_to_2 - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - - -/* Duplicate a stereo channel to a pseudo-5.1 stream */ -static void SDLCALL -SDL_ConvertSurround(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - -#ifdef DEBUG_CONVERT - fprintf(stderr, "Converting stereo to surround\n"); -#endif - - switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) { - case AUDIO_U8: - { - Uint8 *src, *dst, lf, rf, ce; - - src = (Uint8 *) (cvt->buf + cvt->len_cvt); - dst = (Uint8 *) (cvt->buf + cvt->len_cvt * 3); - for (i = cvt->len_cvt; i; --i) { - dst -= 6; - src -= 2; - lf = src[0]; - rf = src[1]; - ce = (lf / 2) + (rf / 2); - dst[0] = lf; - dst[1] = rf; - dst[2] = lf - ce; - dst[3] = rf - ce; - dst[4] = ce; - dst[5] = ce; - } - } - break; - - case AUDIO_S8: - { - Sint8 *src, *dst, lf, rf, ce; - - src = (Sint8 *) cvt->buf + cvt->len_cvt; - dst = (Sint8 *) cvt->buf + cvt->len_cvt * 3; - for (i = cvt->len_cvt; i; --i) { - dst -= 6; - src -= 2; - lf = src[0]; - rf = src[1]; - ce = (lf / 2) + (rf / 2); - dst[0] = lf; - dst[1] = rf; - dst[2] = lf - ce; - dst[3] = rf - ce; - dst[4] = ce; - dst[5] = ce; - } - } - break; - - case AUDIO_U16: - { - Uint8 *src, *dst; - Uint16 lf, rf, ce, lr, rr; - - src = cvt->buf + cvt->len_cvt; - dst = cvt->buf + cvt->len_cvt * 3; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 12; - src -= 4; - lf = (Uint16) ((src[0] << 8) | src[1]); - rf = (Uint16) ((src[2] << 8) | src[3]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[1] = (lf & 0xFF); - dst[0] = ((lf >> 8) & 0xFF); - dst[3] = (rf & 0xFF); - dst[2] = ((rf >> 8) & 0xFF); - - dst[1 + 4] = (lr & 0xFF); - dst[0 + 4] = ((lr >> 8) & 0xFF); - dst[3 + 4] = (rr & 0xFF); - dst[2 + 4] = ((rr >> 8) & 0xFF); - - dst[1 + 8] = (ce & 0xFF); - dst[0 + 8] = ((ce >> 8) & 0xFF); - dst[3 + 8] = (ce & 0xFF); - dst[2 + 8] = ((ce >> 8) & 0xFF); - } - } else { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 12; - src -= 4; - lf = (Uint16) ((src[1] << 8) | src[0]); - rf = (Uint16) ((src[3] << 8) | src[2]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[0] = (lf & 0xFF); - dst[1] = ((lf >> 8) & 0xFF); - dst[2] = (rf & 0xFF); - dst[3] = ((rf >> 8) & 0xFF); - - dst[0 + 4] = (lr & 0xFF); - dst[1 + 4] = ((lr >> 8) & 0xFF); - dst[2 + 4] = (rr & 0xFF); - dst[3 + 4] = ((rr >> 8) & 0xFF); - - dst[0 + 8] = (ce & 0xFF); - dst[1 + 8] = ((ce >> 8) & 0xFF); - dst[2 + 8] = (ce & 0xFF); - dst[3 + 8] = ((ce >> 8) & 0xFF); - } - } - } - break; - - case AUDIO_S16: - { - Uint8 *src, *dst; - Sint16 lf, rf, ce, lr, rr; - - src = cvt->buf + cvt->len_cvt; - dst = cvt->buf + cvt->len_cvt * 3; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 12; - src -= 4; - lf = (Sint16) ((src[0] << 8) | src[1]); - rf = (Sint16) ((src[2] << 8) | src[3]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[1] = (lf & 0xFF); - dst[0] = ((lf >> 8) & 0xFF); - dst[3] = (rf & 0xFF); - dst[2] = ((rf >> 8) & 0xFF); - - dst[1 + 4] = (lr & 0xFF); - dst[0 + 4] = ((lr >> 8) & 0xFF); - dst[3 + 4] = (rr & 0xFF); - dst[2 + 4] = ((rr >> 8) & 0xFF); - - dst[1 + 8] = (ce & 0xFF); - dst[0 + 8] = ((ce >> 8) & 0xFF); - dst[3 + 8] = (ce & 0xFF); - dst[2 + 8] = ((ce >> 8) & 0xFF); - } - } else { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 12; - src -= 4; - lf = (Sint16) ((src[1] << 8) | src[0]); - rf = (Sint16) ((src[3] << 8) | src[2]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[0] = (lf & 0xFF); - dst[1] = ((lf >> 8) & 0xFF); - dst[2] = (rf & 0xFF); - dst[3] = ((rf >> 8) & 0xFF); - - dst[0 + 4] = (lr & 0xFF); - dst[1 + 4] = ((lr >> 8) & 0xFF); - dst[2 + 4] = (rr & 0xFF); - dst[3 + 4] = ((rr >> 8) & 0xFF); - - dst[0 + 8] = (ce & 0xFF); - dst[1 + 8] = ((ce >> 8) & 0xFF); - dst[2 + 8] = (ce & 0xFF); - dst[3 + 8] = ((ce >> 8) & 0xFF); - } - } - } - break; - - case AUDIO_S32: - { - Sint32 lf, rf, ce; - const Uint32 *src = (const Uint32 *) cvt->buf + cvt->len_cvt; - Uint32 *dst = (Uint32 *) cvt->buf + cvt->len_cvt * 3; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 8; i; --i) { - dst -= 6; - src -= 2; - lf = (Sint32) SDL_SwapBE32(src[0]); - rf = (Sint32) SDL_SwapBE32(src[1]); - ce = (lf / 2) + (rf / 2); - dst[0] = SDL_SwapBE32((Uint32) lf); - dst[1] = SDL_SwapBE32((Uint32) rf); - dst[2] = SDL_SwapBE32((Uint32) (lf - ce)); - dst[3] = SDL_SwapBE32((Uint32) (rf - ce)); - dst[4] = SDL_SwapBE32((Uint32) ce); - dst[5] = SDL_SwapBE32((Uint32) ce); - } - } else { - for (i = cvt->len_cvt / 8; i; --i) { - dst -= 6; - src -= 2; - lf = (Sint32) SDL_SwapLE32(src[0]); - rf = (Sint32) SDL_SwapLE32(src[1]); - ce = (lf / 2) + (rf / 2); - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = SDL_SwapLE32((Uint32) (lf - ce)); - dst[3] = SDL_SwapLE32((Uint32) (rf - ce)); - dst[4] = SDL_SwapLE32((Uint32) ce); - dst[5] = SDL_SwapLE32((Uint32) ce); - } - } - } - break; - - case AUDIO_F32: - { - float lf, rf, ce; - const float *src = (const float *) cvt->buf + cvt->len_cvt; - float *dst = (float *) cvt->buf + cvt->len_cvt * 3; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 8; i; --i) { - dst -= 6; - src -= 2; - lf = SDL_SwapFloatBE(src[0]); - rf = SDL_SwapFloatBE(src[1]); - ce = (lf * 0.5f) + (rf * 0.5f); - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = SDL_SwapFloatBE(lf - ce); - dst[3] = SDL_SwapFloatBE(rf - ce); - dst[4] = dst[5] = SDL_SwapFloatBE(ce); - } - } else { - for (i = cvt->len_cvt / 8; i; --i) { - dst -= 6; - src -= 2; - lf = SDL_SwapFloatLE(src[0]); - rf = SDL_SwapFloatLE(src[1]); - ce = (lf * 0.5f) + (rf * 0.5f); - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = SDL_SwapFloatLE(lf - ce); - dst[3] = SDL_SwapFloatLE(rf - ce); - dst[4] = dst[5] = SDL_SwapFloatLE(ce); - } - } - } - break; - - } - cvt->len_cvt *= 3; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - - -/* Duplicate a stereo channel to a pseudo-4.0 stream */ -static void SDLCALL -SDL_ConvertSurround_4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - -#ifdef DEBUG_CONVERT - fprintf(stderr, "Converting stereo to quad\n"); -#endif - - switch (format & (SDL_AUDIO_MASK_SIGNED | SDL_AUDIO_MASK_BITSIZE)) { - case AUDIO_U8: - { - Uint8 *src, *dst, lf, rf, ce; - - src = (Uint8 *) (cvt->buf + cvt->len_cvt); - dst = (Uint8 *) (cvt->buf + cvt->len_cvt * 2); - for (i = cvt->len_cvt; i; --i) { - dst -= 4; - src -= 2; - lf = src[0]; - rf = src[1]; - ce = (lf / 2) + (rf / 2); - dst[0] = lf; - dst[1] = rf; - dst[2] = lf - ce; - dst[3] = rf - ce; - } - } - break; - - case AUDIO_S8: - { - Sint8 *src, *dst, lf, rf, ce; - - src = (Sint8 *) cvt->buf + cvt->len_cvt; - dst = (Sint8 *) cvt->buf + cvt->len_cvt * 2; - for (i = cvt->len_cvt; i; --i) { - dst -= 4; - src -= 2; - lf = src[0]; - rf = src[1]; - ce = (lf / 2) + (rf / 2); - dst[0] = lf; - dst[1] = rf; - dst[2] = lf - ce; - dst[3] = rf - ce; - } - } - break; - - case AUDIO_U16: - { - Uint8 *src, *dst; - Uint16 lf, rf, ce, lr, rr; - - src = cvt->buf + cvt->len_cvt; - dst = cvt->buf + cvt->len_cvt * 2; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 8; - src -= 4; - lf = (Uint16) ((src[0] << 8) | src[1]); - rf = (Uint16) ((src[2] << 8) | src[3]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[1] = (lf & 0xFF); - dst[0] = ((lf >> 8) & 0xFF); - dst[3] = (rf & 0xFF); - dst[2] = ((rf >> 8) & 0xFF); - - dst[1 + 4] = (lr & 0xFF); - dst[0 + 4] = ((lr >> 8) & 0xFF); - dst[3 + 4] = (rr & 0xFF); - dst[2 + 4] = ((rr >> 8) & 0xFF); - } - } else { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 8; - src -= 4; - lf = (Uint16) ((src[1] << 8) | src[0]); - rf = (Uint16) ((src[3] << 8) | src[2]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[0] = (lf & 0xFF); - dst[1] = ((lf >> 8) & 0xFF); - dst[2] = (rf & 0xFF); - dst[3] = ((rf >> 8) & 0xFF); - - dst[0 + 4] = (lr & 0xFF); - dst[1 + 4] = ((lr >> 8) & 0xFF); - dst[2 + 4] = (rr & 0xFF); - dst[3 + 4] = ((rr >> 8) & 0xFF); - } - } - } - break; - - case AUDIO_S16: - { - Uint8 *src, *dst; - Sint16 lf, rf, ce, lr, rr; - - src = cvt->buf + cvt->len_cvt; - dst = cvt->buf + cvt->len_cvt * 2; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 8; - src -= 4; - lf = (Sint16) ((src[0] << 8) | src[1]); - rf = (Sint16) ((src[2] << 8) | src[3]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[1] = (lf & 0xFF); - dst[0] = ((lf >> 8) & 0xFF); - dst[3] = (rf & 0xFF); - dst[2] = ((rf >> 8) & 0xFF); - - dst[1 + 4] = (lr & 0xFF); - dst[0 + 4] = ((lr >> 8) & 0xFF); - dst[3 + 4] = (rr & 0xFF); - dst[2 + 4] = ((rr >> 8) & 0xFF); - } - } else { - for (i = cvt->len_cvt / 4; i; --i) { - dst -= 8; - src -= 4; - lf = (Sint16) ((src[1] << 8) | src[0]); - rf = (Sint16) ((src[3] << 8) | src[2]); - ce = (lf / 2) + (rf / 2); - rr = lf - ce; - lr = rf - ce; - dst[0] = (lf & 0xFF); - dst[1] = ((lf >> 8) & 0xFF); - dst[2] = (rf & 0xFF); - dst[3] = ((rf >> 8) & 0xFF); - - dst[0 + 4] = (lr & 0xFF); - dst[1 + 4] = ((lr >> 8) & 0xFF); - dst[2 + 4] = (rr & 0xFF); - dst[3 + 4] = ((rr >> 8) & 0xFF); - } - } - } - break; - - case AUDIO_S32: - { - const Uint32 *src = (const Uint32 *) (cvt->buf + cvt->len_cvt); - Uint32 *dst = (Uint32 *) (cvt->buf + cvt->len_cvt * 2); - Sint32 lf, rf, ce; - - if (SDL_AUDIO_ISBIGENDIAN(format)) { - for (i = cvt->len_cvt / 8; i; --i) { - dst -= 4; - src -= 2; - lf = (Sint32) SDL_SwapBE32(src[0]); - rf = (Sint32) SDL_SwapBE32(src[1]); - ce = (lf / 2) + (rf / 2); - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = SDL_SwapBE32((Uint32) (lf - ce)); - dst[3] = SDL_SwapBE32((Uint32) (rf - ce)); - } - } else { - for (i = cvt->len_cvt / 8; i; --i) { - dst -= 4; - src -= 2; - lf = (Sint32) SDL_SwapLE32(src[0]); - rf = (Sint32) SDL_SwapLE32(src[1]); - ce = (lf / 2) + (rf / 2); - dst[0] = src[0]; - dst[1] = src[1]; - dst[2] = SDL_SwapLE32((Uint32) (lf - ce)); - dst[3] = SDL_SwapLE32((Uint32) (rf - ce)); - } - } - } - break; - } - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - - -int -SDL_ConvertAudio(SDL_AudioCVT * cvt) -{ - /* !!! FIXME: (cvt) should be const; stack-copy it here. */ - /* !!! FIXME: (actually, we can't...len_cvt needs to be updated. Grr.) */ - - /* Make sure there's data to convert */ - if (cvt->buf == NULL) { - SDL_SetError("No buffer allocated for conversion"); - return (-1); - } - /* Return okay if no conversion is necessary */ - cvt->len_cvt = cvt->len; - if (cvt->filters[0] == NULL) { - return (0); - } - - /* Set up the conversion and go! */ - cvt->filter_index = 0; - cvt->filters[0] (cvt, cvt->src_format); - return (0); -} - - -static SDL_AudioFilter -SDL_HandTunedTypeCVT(SDL_AudioFormat src_fmt, SDL_AudioFormat dst_fmt) -{ - /* - * Fill in any future conversions that are specialized to a - * processor, platform, compiler, or library here. - */ - - return NULL; /* no specialized converter code available. */ -} - - -/* - * Find a converter between two data types. We try to select a hand-tuned - * asm/vectorized/optimized function first, and then fallback to an - * autogenerated function that is customized to convert between two - * specific data types. - */ -static int -SDL_BuildAudioTypeCVT(SDL_AudioCVT * cvt, - SDL_AudioFormat src_fmt, SDL_AudioFormat dst_fmt) -{ - if (src_fmt != dst_fmt) { - const Uint16 src_bitsize = SDL_AUDIO_BITSIZE(src_fmt); - const Uint16 dst_bitsize = SDL_AUDIO_BITSIZE(dst_fmt); - SDL_AudioFilter filter = SDL_HandTunedTypeCVT(src_fmt, dst_fmt); - - /* No hand-tuned converter? Try the autogenerated ones. */ - if (filter == NULL) { - int i; - for (i = 0; sdl_audio_type_filters[i].filter != NULL; i++) { - const SDL_AudioTypeFilters *filt = &sdl_audio_type_filters[i]; - if ((filt->src_fmt == src_fmt) && (filt->dst_fmt == dst_fmt)) { - filter = filt->filter; - break; - } - } - - if (filter == NULL) { - SDL_SetError("No conversion available for these formats"); - return -1; - } - } - - /* Update (cvt) with filter details... */ - cvt->filters[cvt->filter_index++] = filter; - if (src_bitsize < dst_bitsize) { - const int mult = (dst_bitsize / src_bitsize); - cvt->len_mult *= mult; - cvt->len_ratio *= mult; - } else if (src_bitsize > dst_bitsize) { - cvt->len_ratio /= (src_bitsize / dst_bitsize); - } - - return 1; /* added a converter. */ - } - - return 0; /* no conversion necessary. */ -} - - -static SDL_AudioFilter -SDL_HandTunedResampleCVT(SDL_AudioCVT * cvt, int dst_channels, - int src_rate, int dst_rate) -{ - /* - * Fill in any future conversions that are specialized to a - * processor, platform, compiler, or library here. - */ - - return NULL; /* no specialized converter code available. */ -} - -static int -SDL_FindFrequencyMultiple(const int src_rate, const int dst_rate) -{ - int retval = 0; - - /* If we only built with the arbitrary resamplers, ignore multiples. */ -#if !LESS_RESAMPLERS - int lo, hi; - int div; - - assert(src_rate != 0); - assert(dst_rate != 0); - assert(src_rate != dst_rate); - - if (src_rate < dst_rate) { - lo = src_rate; - hi = dst_rate; - } else { - lo = dst_rate; - hi = src_rate; - } - - /* zero means "not a supported multiple" ... we only do 2x and 4x. */ - if ((hi % lo) != 0) - return 0; /* not a multiple. */ - - div = hi / lo; - retval = ((div == 2) || (div == 4)) ? div : 0; -#endif - - return retval; -} - -static int -SDL_BuildAudioResampleCVT(SDL_AudioCVT * cvt, int dst_channels, - int src_rate, int dst_rate) -{ - if (src_rate != dst_rate) { - SDL_AudioFilter filter = SDL_HandTunedResampleCVT(cvt, dst_channels, - src_rate, dst_rate); - - /* No hand-tuned converter? Try the autogenerated ones. */ - if (filter == NULL) { - int i; - const int upsample = (src_rate < dst_rate) ? 1 : 0; - const int multiple = - SDL_FindFrequencyMultiple(src_rate, dst_rate); - - for (i = 0; sdl_audio_rate_filters[i].filter != NULL; i++) { - const SDL_AudioRateFilters *filt = &sdl_audio_rate_filters[i]; - if ((filt->fmt == cvt->dst_format) && - (filt->channels == dst_channels) && - (filt->upsample == upsample) && - (filt->multiple == multiple)) { - filter = filt->filter; - break; - } - } - - if (filter == NULL) { - SDL_SetError("No conversion available for these rates"); - return -1; - } - } - - /* Update (cvt) with filter details... */ - cvt->filters[cvt->filter_index++] = filter; - if (src_rate < dst_rate) { - const double mult = ((double) dst_rate) / ((double) src_rate); - cvt->len_mult *= (int) SDL_ceil(mult); - cvt->len_ratio *= mult; - } else { - cvt->len_ratio /= ((double) src_rate) / ((double) dst_rate); - } - - return 1; /* added a converter. */ - } - - return 0; /* no conversion necessary. */ -} - - -/* Creates a set of audio filters to convert from one format to another. - Returns -1 if the format conversion is not supported, 0 if there's - no conversion needed, or 1 if the audio filter is set up. -*/ - -int -SDL_BuildAudioCVT(SDL_AudioCVT * cvt, - SDL_AudioFormat src_fmt, Uint8 src_channels, int src_rate, - SDL_AudioFormat dst_fmt, Uint8 dst_channels, int dst_rate) -{ - /* - * !!! FIXME: reorder filters based on which grow/shrink the buffer. - * !!! FIXME: ideally, we should do everything that shrinks the buffer - * !!! FIXME: first, so we don't have to process as many bytes in a given - * !!! FIXME: filter and abuse the CPU cache less. This might not be as - * !!! FIXME: good in practice as it sounds in theory, though. - */ - - /* there are no unsigned types over 16 bits, so catch this up front. */ - if ((SDL_AUDIO_BITSIZE(src_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(src_fmt))) { - SDL_SetError("Invalid source format"); - return -1; - } - if ((SDL_AUDIO_BITSIZE(dst_fmt) > 16) && (!SDL_AUDIO_ISSIGNED(dst_fmt))) { - SDL_SetError("Invalid destination format"); - return -1; - } - - /* prevent possible divisions by zero, etc. */ - if ((src_rate == 0) || (dst_rate == 0)) { - SDL_SetError("Source or destination rate is zero"); - return -1; - } -#ifdef DEBUG_CONVERT - printf("Build format %04x->%04x, channels %u->%u, rate %d->%d\n", - src_fmt, dst_fmt, src_channels, dst_channels, src_rate, dst_rate); -#endif - - /* Start off with no conversion necessary */ - SDL_zerop(cvt); - cvt->src_format = src_fmt; - cvt->dst_format = dst_fmt; - cvt->needed = 0; - cvt->filter_index = 0; - cvt->filters[0] = NULL; - cvt->len_mult = 1; - cvt->len_ratio = 1.0; - cvt->rate_incr = ((double) dst_rate) / ((double) src_rate); - - /* Convert data types, if necessary. Updates (cvt). */ - if (SDL_BuildAudioTypeCVT(cvt, src_fmt, dst_fmt) == -1) { - return -1; /* shouldn't happen, but just in case... */ - } - - /* Channel conversion */ - if (src_channels != dst_channels) { - if ((src_channels == 1) && (dst_channels > 1)) { - cvt->filters[cvt->filter_index++] = SDL_ConvertStereo; - cvt->len_mult *= 2; - src_channels = 2; - cvt->len_ratio *= 2; - } - if ((src_channels == 2) && (dst_channels == 6)) { - cvt->filters[cvt->filter_index++] = SDL_ConvertSurround; - src_channels = 6; - cvt->len_mult *= 3; - cvt->len_ratio *= 3; - } - if ((src_channels == 2) && (dst_channels == 4)) { - cvt->filters[cvt->filter_index++] = SDL_ConvertSurround_4; - src_channels = 4; - cvt->len_mult *= 2; - cvt->len_ratio *= 2; - } - while ((src_channels * 2) <= dst_channels) { - cvt->filters[cvt->filter_index++] = SDL_ConvertStereo; - cvt->len_mult *= 2; - src_channels *= 2; - cvt->len_ratio *= 2; - } - if ((src_channels == 6) && (dst_channels <= 2)) { - cvt->filters[cvt->filter_index++] = SDL_ConvertStrip; - src_channels = 2; - cvt->len_ratio /= 3; - } - if ((src_channels == 6) && (dst_channels == 4)) { - cvt->filters[cvt->filter_index++] = SDL_ConvertStrip_2; - src_channels = 4; - cvt->len_ratio /= 2; - } - /* This assumes that 4 channel audio is in the format: - Left {front/back} + Right {front/back} - so converting to L/R stereo works properly. - */ - while (((src_channels % 2) == 0) && - ((src_channels / 2) >= dst_channels)) { - cvt->filters[cvt->filter_index++] = SDL_ConvertMono; - src_channels /= 2; - cvt->len_ratio /= 2; - } - if (src_channels != dst_channels) { - /* Uh oh.. */ ; - } - } - - /* Do rate conversion, if necessary. Updates (cvt). */ - if (SDL_BuildAudioResampleCVT(cvt, dst_channels, src_rate, dst_rate) == - -1) { - return -1; /* shouldn't happen, but just in case... */ - } - - /* Set up the filter information */ - if (cvt->filter_index != 0) { - cvt->needed = 1; - cvt->src_format = src_fmt; - cvt->dst_format = dst_fmt; - cvt->len = 0; - cvt->buf = NULL; - cvt->filters[cvt->filter_index] = NULL; - } - return (cvt->needed); -} - - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_audiomem.h b/macosx/plugins/Common/SDL/src/audio/SDL_audiomem.h deleted file mode 100644 index 41eb9379..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_audiomem.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#define SDL_AllocAudioMem SDL_malloc -#define SDL_FreeAudioMem SDL_free -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_audiotypecvt.c b/macosx/plugins/Common/SDL/src/audio/SDL_audiotypecvt.c deleted file mode 100644 index 4b2d06d9..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_audiotypecvt.c +++ /dev/null @@ -1,16216 +0,0 @@ -/* DO NOT EDIT! This file is generated by sdlgenaudiocvt.pl */ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ - -#include "SDL_config.h" -#include "SDL_audio.h" -#include "SDL_audio_c.h" - -#ifndef DEBUG_CONVERT -#define DEBUG_CONVERT 0 -#endif - - -/* If you can guarantee your data and need space, you can eliminate code... */ - -/* Just build the arbitrary resamplers if you're saving code space. */ -#ifndef LESS_RESAMPLERS -#define LESS_RESAMPLERS 1 -#endif - -/* Don't build any resamplers if you're REALLY saving code space. */ -#ifndef NO_RESAMPLERS -#define NO_RESAMPLERS 0 -#endif - -/* Don't build any type converters if you're saving code space. */ -#ifndef NO_CONVERTERS -#define NO_CONVERTERS 0 -#endif - - -/* *INDENT-OFF* */ - -#define DIVBY127 0.0078740157480315f -#define DIVBY32767 3.05185094759972e-05f -#define DIVBY2147483647 4.6566128752458e-10f - -#if !NO_CONVERTERS - -static void SDLCALL -SDL_Convert_U8_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S8.\n"); -#endif - - src = (const Uint8 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, ++src, ++dst) { - const Sint8 val = ((*src) ^ 0x80); - *dst = ((Sint8) val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_U8_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_U16LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Uint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Uint16 val = (((Uint16) *src) << 8); - *dst = SDL_SwapLE16(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S16LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint16 val = (((Sint16) ((*src) ^ 0x80)) << 8); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_U16MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Uint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Uint16 val = (((Uint16) *src) << 8); - *dst = SDL_SwapBE16(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S16MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint16 val = (((Sint16) ((*src) ^ 0x80)) << 8); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S32LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((*src) ^ 0x80)) << 24); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_S32MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((*src) ^ 0x80)) << 24); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_F32LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const float val = ((((float) *src) * DIVBY127) - 1.0f); - *dst = SDL_SwapFloatLE(val); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_U8_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U8 to AUDIO_F32MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const float val = ((((float) *src) * DIVBY127) - 1.0f); - *dst = SDL_SwapFloatBE(val); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_U8.\n"); -#endif - - src = (const Uint8 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, ++src, ++dst) { - const Uint8 val = ((((Sint8) *src)) ^ 0x80); - *dst = val; - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_S8_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_U16LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Uint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Uint16 val = (((Uint16) ((((Sint8) *src)) ^ 0x80)) << 8); - *dst = SDL_SwapLE16(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S16LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint16 val = (((Sint16) ((Sint8) *src)) << 8); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_U16MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Uint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Uint16 val = (((Uint16) ((((Sint8) *src)) ^ 0x80)) << 8); - *dst = SDL_SwapBE16(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S16MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint16 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint16 val = (((Sint16) ((Sint8) *src)) << 8); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S32LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((Sint8) *src)) << 24); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_S32MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((Sint8) *src)) << 24); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_F32LSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const float val = (((float) ((Sint8) *src)) * DIVBY127); - *dst = SDL_SwapFloatLE(val); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_S8_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint8 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S8 to AUDIO_F32MSB.\n"); -#endif - - src = ((const Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 4)) - 1; - for (i = cvt->len_cvt / sizeof (Uint8); i; --i, --src, --dst) { - const float val = (((float) ((Sint8) *src)) * DIVBY127); - *dst = SDL_SwapFloatBE(val); - } - - cvt->len_cvt *= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_U8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) (SDL_SwapLE16(*src) >> 8)); - *dst = val; - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (((SDL_SwapLE16(*src)) ^ 0x8000) >> 8)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S16LSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint16 val = ((SDL_SwapLE16(*src)) ^ 0x8000); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_U16MSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint16 val = SDL_SwapLE16(*src); - *dst = SDL_SwapBE16(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S16MSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint16 val = ((SDL_SwapLE16(*src)) ^ 0x8000); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((SDL_SwapLE16(*src)) ^ 0x8000)) << 16); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_S32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((SDL_SwapLE16(*src)) ^ 0x8000)) << 16); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_F32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = ((((float) SDL_SwapLE16(*src)) * DIVBY32767) - 1.0f); - *dst = SDL_SwapFloatLE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_U16LSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16LSB to AUDIO_F32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = ((((float) SDL_SwapLE16(*src)) * DIVBY32767) - 1.0f); - *dst = SDL_SwapFloatBE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_U8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) (((((Sint16) SDL_SwapLE16(*src))) ^ 0x8000) >> 8)); - *dst = val; - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (((Sint16) SDL_SwapLE16(*src)) >> 8)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_U16LSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint16 val = ((((Sint16) SDL_SwapLE16(*src))) ^ 0x8000); - *dst = SDL_SwapLE16(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_U16MSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint16 val = ((((Sint16) SDL_SwapLE16(*src))) ^ 0x8000); - *dst = SDL_SwapBE16(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S16MSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) SDL_SwapLE16(*src)); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((Sint16) SDL_SwapLE16(*src))) << 16); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_S32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((Sint16) SDL_SwapLE16(*src))) << 16); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_F32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = (((float) ((Sint16) SDL_SwapLE16(*src))) * DIVBY32767); - *dst = SDL_SwapFloatLE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_S16LSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16LSB to AUDIO_F32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = (((float) ((Sint16) SDL_SwapLE16(*src))) * DIVBY32767); - *dst = SDL_SwapFloatBE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_U8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) (SDL_SwapBE16(*src) >> 8)); - *dst = val; - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (((SDL_SwapBE16(*src)) ^ 0x8000) >> 8)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_U16LSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint16 val = SDL_SwapBE16(*src); - *dst = SDL_SwapLE16(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S16LSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint16 val = ((SDL_SwapBE16(*src)) ^ 0x8000); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S16MSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint16 val = ((SDL_SwapBE16(*src)) ^ 0x8000); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((SDL_SwapBE16(*src)) ^ 0x8000)) << 16); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_S32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((SDL_SwapBE16(*src)) ^ 0x8000)) << 16); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_F32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = ((((float) SDL_SwapBE16(*src)) * DIVBY32767) - 1.0f); - *dst = SDL_SwapFloatLE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_U16MSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_U16MSB to AUDIO_F32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = ((((float) SDL_SwapBE16(*src)) * DIVBY32767) - 1.0f); - *dst = SDL_SwapFloatBE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_U8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) (((((Sint16) SDL_SwapBE16(*src))) ^ 0x8000) >> 8)); - *dst = val; - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_S8.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (((Sint16) SDL_SwapBE16(*src)) >> 8)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_U16LSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint16 val = ((((Sint16) SDL_SwapBE16(*src))) ^ 0x8000); - *dst = SDL_SwapLE16(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_S16LSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) SDL_SwapBE16(*src)); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_U16MSB.\n"); -#endif - - src = (const Uint16 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, ++src, ++dst) { - const Uint16 val = ((((Sint16) SDL_SwapBE16(*src))) ^ 0x8000); - *dst = SDL_SwapBE16(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_S32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((Sint16) SDL_SwapBE16(*src))) << 16); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_S32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((Sint32 *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const Sint32 val = (((Sint32) ((Sint16) SDL_SwapBE16(*src))) << 16); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_F32LSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = (((float) ((Sint16) SDL_SwapBE16(*src))) * DIVBY32767); - *dst = SDL_SwapFloatLE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_S16MSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint16 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S16MSB to AUDIO_F32MSB.\n"); -#endif - - src = ((const Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - dst = ((float *) (cvt->buf + cvt->len_cvt * 2)) - 1; - for (i = cvt->len_cvt / sizeof (Uint16); i; --i, --src, --dst) { - const float val = (((float) ((Sint16) SDL_SwapBE16(*src))) * DIVBY32767); - *dst = SDL_SwapFloatBE(val); - } - - cvt->len_cvt *= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_U8.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) (((((Sint32) SDL_SwapLE32(*src))) ^ 0x80000000) >> 24)); - *dst = val; - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_S8.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (((Sint32) SDL_SwapLE32(*src)) >> 24)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_U16LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) (((((Sint32) SDL_SwapLE32(*src))) ^ 0x80000000) >> 16)); - *dst = SDL_SwapLE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_S16LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (((Sint32) SDL_SwapLE32(*src)) >> 16)); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_U16MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) (((((Sint32) SDL_SwapLE32(*src))) ^ 0x80000000) >> 16)); - *dst = SDL_SwapBE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_S16MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (((Sint32) SDL_SwapLE32(*src)) >> 16)); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_S32MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint32 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint32 val = ((Sint32) SDL_SwapLE32(*src)); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_F32LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (float *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const float val = (((float) ((Sint32) SDL_SwapLE32(*src))) * DIVBY2147483647); - *dst = SDL_SwapFloatLE(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_S32LSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32LSB to AUDIO_F32MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (float *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const float val = (((float) ((Sint32) SDL_SwapLE32(*src))) * DIVBY2147483647); - *dst = SDL_SwapFloatBE(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_U8.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) (((((Sint32) SDL_SwapBE32(*src))) ^ 0x80000000) >> 24)); - *dst = val; - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_S8.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (((Sint32) SDL_SwapBE32(*src)) >> 24)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_U16LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) (((((Sint32) SDL_SwapBE32(*src))) ^ 0x80000000) >> 16)); - *dst = SDL_SwapLE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_S16LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (((Sint32) SDL_SwapBE32(*src)) >> 16)); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_U16MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) (((((Sint32) SDL_SwapBE32(*src))) ^ 0x80000000) >> 16)); - *dst = SDL_SwapBE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_S16MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (((Sint32) SDL_SwapBE32(*src)) >> 16)); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_S32LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (Sint32 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const Sint32 val = ((Sint32) SDL_SwapBE32(*src)); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_F32LSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (float *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const float val = (((float) ((Sint32) SDL_SwapBE32(*src))) * DIVBY2147483647); - *dst = SDL_SwapFloatLE(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -static void SDLCALL -SDL_Convert_S32MSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const Uint32 *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_S32MSB to AUDIO_F32MSB.\n"); -#endif - - src = (const Uint32 *) cvt->buf; - dst = (float *) cvt->buf; - for (i = cvt->len_cvt / sizeof (Uint32); i; --i, ++src, ++dst) { - const float val = (((float) ((Sint32) SDL_SwapBE32(*src))) * DIVBY2147483647); - *dst = SDL_SwapFloatBE(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_U8.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) ((SDL_SwapFloatLE(*src) + 1.0f) * 127.0f)); - *dst = val; - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_S8.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (SDL_SwapFloatLE(*src) * 127.0f)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_U16LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) ((SDL_SwapFloatLE(*src) + 1.0f) * 32767.0f)); - *dst = SDL_SwapLE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_S16LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (SDL_SwapFloatLE(*src) * 32767.0f)); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_U16MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) ((SDL_SwapFloatLE(*src) + 1.0f) * 32767.0f)); - *dst = SDL_SwapBE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_S16MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (SDL_SwapFloatLE(*src) * 32767.0f)); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_S32LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint32 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint32 val = ((Sint32) (SDL_SwapFloatLE(*src) * 2147483647.0)); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_S32MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint32 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint32 val = ((Sint32) (SDL_SwapFloatLE(*src) * 2147483647.0)); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_F32LSB_to_F32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32LSB to AUDIO_F32MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (float *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const float val = SDL_SwapFloatLE(*src); - *dst = SDL_SwapFloatBE(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32MSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_U8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Uint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_U8.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Uint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Uint8 val = ((Uint8) ((SDL_SwapFloatBE(*src) + 1.0f) * 127.0f)); - *dst = val; - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U8); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_S8(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint8 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_S8.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint8 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint8 val = ((Sint8) (SDL_SwapFloatBE(*src) * 127.0f)); - *dst = ((Sint8) val); - } - - cvt->len_cvt /= 4; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S8); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_U16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_U16LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) ((SDL_SwapFloatBE(*src) + 1.0f) * 32767.0f)); - *dst = SDL_SwapLE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16LSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_S16LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_S16LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (SDL_SwapFloatBE(*src) * 32767.0f)); - *dst = ((Sint16) SDL_SwapLE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16LSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_U16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Uint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_U16MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Uint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Uint16 val = ((Uint16) ((SDL_SwapFloatBE(*src) + 1.0f) * 32767.0f)); - *dst = SDL_SwapBE16(val); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_U16MSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_S16MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint16 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_S16MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint16 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint16 val = ((Sint16) (SDL_SwapFloatBE(*src) * 32767.0f)); - *dst = ((Sint16) SDL_SwapBE16(val)); - } - - cvt->len_cvt /= 2; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S16MSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_S32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_S32LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint32 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint32 val = ((Sint32) (SDL_SwapFloatBE(*src) * 2147483647.0)); - *dst = ((Sint32) SDL_SwapLE32(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32LSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_S32MSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - Sint32 *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_S32MSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (Sint32 *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const Sint32 val = ((Sint32) (SDL_SwapFloatBE(*src) * 2147483647.0)); - *dst = ((Sint32) SDL_SwapBE32(val)); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_S32MSB); - } -} - -static void SDLCALL -SDL_Convert_F32MSB_to_F32LSB(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ - int i; - const float *src; - float *dst; - -#if DEBUG_CONVERT - fprintf(stderr, "Converting AUDIO_F32MSB to AUDIO_F32LSB.\n"); -#endif - - src = (const float *) cvt->buf; - dst = (float *) cvt->buf; - for (i = cvt->len_cvt / sizeof (float); i; --i, ++src, ++dst) { - const float val = SDL_SwapFloatBE(*src); - *dst = SDL_SwapFloatLE(val); - } - - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, AUDIO_F32LSB); - } -} - -#endif /* !NO_CONVERTERS */ - - -const SDL_AudioTypeFilters sdl_audio_type_filters[] = -{ -#if !NO_CONVERTERS - { AUDIO_U8, AUDIO_S8, SDL_Convert_U8_to_S8 }, - { AUDIO_U8, AUDIO_U16LSB, SDL_Convert_U8_to_U16LSB }, - { AUDIO_U8, AUDIO_S16LSB, SDL_Convert_U8_to_S16LSB }, - { AUDIO_U8, AUDIO_U16MSB, SDL_Convert_U8_to_U16MSB }, - { AUDIO_U8, AUDIO_S16MSB, SDL_Convert_U8_to_S16MSB }, - { AUDIO_U8, AUDIO_S32LSB, SDL_Convert_U8_to_S32LSB }, - { AUDIO_U8, AUDIO_S32MSB, SDL_Convert_U8_to_S32MSB }, - { AUDIO_U8, AUDIO_F32LSB, SDL_Convert_U8_to_F32LSB }, - { AUDIO_U8, AUDIO_F32MSB, SDL_Convert_U8_to_F32MSB }, - { AUDIO_S8, AUDIO_U8, SDL_Convert_S8_to_U8 }, - { AUDIO_S8, AUDIO_U16LSB, SDL_Convert_S8_to_U16LSB }, - { AUDIO_S8, AUDIO_S16LSB, SDL_Convert_S8_to_S16LSB }, - { AUDIO_S8, AUDIO_U16MSB, SDL_Convert_S8_to_U16MSB }, - { AUDIO_S8, AUDIO_S16MSB, SDL_Convert_S8_to_S16MSB }, - { AUDIO_S8, AUDIO_S32LSB, SDL_Convert_S8_to_S32LSB }, - { AUDIO_S8, AUDIO_S32MSB, SDL_Convert_S8_to_S32MSB }, - { AUDIO_S8, AUDIO_F32LSB, SDL_Convert_S8_to_F32LSB }, - { AUDIO_S8, AUDIO_F32MSB, SDL_Convert_S8_to_F32MSB }, - { AUDIO_U16LSB, AUDIO_U8, SDL_Convert_U16LSB_to_U8 }, - { AUDIO_U16LSB, AUDIO_S8, SDL_Convert_U16LSB_to_S8 }, - { AUDIO_U16LSB, AUDIO_S16LSB, SDL_Convert_U16LSB_to_S16LSB }, - { AUDIO_U16LSB, AUDIO_U16MSB, SDL_Convert_U16LSB_to_U16MSB }, - { AUDIO_U16LSB, AUDIO_S16MSB, SDL_Convert_U16LSB_to_S16MSB }, - { AUDIO_U16LSB, AUDIO_S32LSB, SDL_Convert_U16LSB_to_S32LSB }, - { AUDIO_U16LSB, AUDIO_S32MSB, SDL_Convert_U16LSB_to_S32MSB }, - { AUDIO_U16LSB, AUDIO_F32LSB, SDL_Convert_U16LSB_to_F32LSB }, - { AUDIO_U16LSB, AUDIO_F32MSB, SDL_Convert_U16LSB_to_F32MSB }, - { AUDIO_S16LSB, AUDIO_U8, SDL_Convert_S16LSB_to_U8 }, - { AUDIO_S16LSB, AUDIO_S8, SDL_Convert_S16LSB_to_S8 }, - { AUDIO_S16LSB, AUDIO_U16LSB, SDL_Convert_S16LSB_to_U16LSB }, - { AUDIO_S16LSB, AUDIO_U16MSB, SDL_Convert_S16LSB_to_U16MSB }, - { AUDIO_S16LSB, AUDIO_S16MSB, SDL_Convert_S16LSB_to_S16MSB }, - { AUDIO_S16LSB, AUDIO_S32LSB, SDL_Convert_S16LSB_to_S32LSB }, - { AUDIO_S16LSB, AUDIO_S32MSB, SDL_Convert_S16LSB_to_S32MSB }, - { AUDIO_S16LSB, AUDIO_F32LSB, SDL_Convert_S16LSB_to_F32LSB }, - { AUDIO_S16LSB, AUDIO_F32MSB, SDL_Convert_S16LSB_to_F32MSB }, - { AUDIO_U16MSB, AUDIO_U8, SDL_Convert_U16MSB_to_U8 }, - { AUDIO_U16MSB, AUDIO_S8, SDL_Convert_U16MSB_to_S8 }, - { AUDIO_U16MSB, AUDIO_U16LSB, SDL_Convert_U16MSB_to_U16LSB }, - { AUDIO_U16MSB, AUDIO_S16LSB, SDL_Convert_U16MSB_to_S16LSB }, - { AUDIO_U16MSB, AUDIO_S16MSB, SDL_Convert_U16MSB_to_S16MSB }, - { AUDIO_U16MSB, AUDIO_S32LSB, SDL_Convert_U16MSB_to_S32LSB }, - { AUDIO_U16MSB, AUDIO_S32MSB, SDL_Convert_U16MSB_to_S32MSB }, - { AUDIO_U16MSB, AUDIO_F32LSB, SDL_Convert_U16MSB_to_F32LSB }, - { AUDIO_U16MSB, AUDIO_F32MSB, SDL_Convert_U16MSB_to_F32MSB }, - { AUDIO_S16MSB, AUDIO_U8, SDL_Convert_S16MSB_to_U8 }, - { AUDIO_S16MSB, AUDIO_S8, SDL_Convert_S16MSB_to_S8 }, - { AUDIO_S16MSB, AUDIO_U16LSB, SDL_Convert_S16MSB_to_U16LSB }, - { AUDIO_S16MSB, AUDIO_S16LSB, SDL_Convert_S16MSB_to_S16LSB }, - { AUDIO_S16MSB, AUDIO_U16MSB, SDL_Convert_S16MSB_to_U16MSB }, - { AUDIO_S16MSB, AUDIO_S32LSB, SDL_Convert_S16MSB_to_S32LSB }, - { AUDIO_S16MSB, AUDIO_S32MSB, SDL_Convert_S16MSB_to_S32MSB }, - { AUDIO_S16MSB, AUDIO_F32LSB, SDL_Convert_S16MSB_to_F32LSB }, - { AUDIO_S16MSB, AUDIO_F32MSB, SDL_Convert_S16MSB_to_F32MSB }, - { AUDIO_S32LSB, AUDIO_U8, SDL_Convert_S32LSB_to_U8 }, - { AUDIO_S32LSB, AUDIO_S8, SDL_Convert_S32LSB_to_S8 }, - { AUDIO_S32LSB, AUDIO_U16LSB, SDL_Convert_S32LSB_to_U16LSB }, - { AUDIO_S32LSB, AUDIO_S16LSB, SDL_Convert_S32LSB_to_S16LSB }, - { AUDIO_S32LSB, AUDIO_U16MSB, SDL_Convert_S32LSB_to_U16MSB }, - { AUDIO_S32LSB, AUDIO_S16MSB, SDL_Convert_S32LSB_to_S16MSB }, - { AUDIO_S32LSB, AUDIO_S32MSB, SDL_Convert_S32LSB_to_S32MSB }, - { AUDIO_S32LSB, AUDIO_F32LSB, SDL_Convert_S32LSB_to_F32LSB }, - { AUDIO_S32LSB, AUDIO_F32MSB, SDL_Convert_S32LSB_to_F32MSB }, - { AUDIO_S32MSB, AUDIO_U8, SDL_Convert_S32MSB_to_U8 }, - { AUDIO_S32MSB, AUDIO_S8, SDL_Convert_S32MSB_to_S8 }, - { AUDIO_S32MSB, AUDIO_U16LSB, SDL_Convert_S32MSB_to_U16LSB }, - { AUDIO_S32MSB, AUDIO_S16LSB, SDL_Convert_S32MSB_to_S16LSB }, - { AUDIO_S32MSB, AUDIO_U16MSB, SDL_Convert_S32MSB_to_U16MSB }, - { AUDIO_S32MSB, AUDIO_S16MSB, SDL_Convert_S32MSB_to_S16MSB }, - { AUDIO_S32MSB, AUDIO_S32LSB, SDL_Convert_S32MSB_to_S32LSB }, - { AUDIO_S32MSB, AUDIO_F32LSB, SDL_Convert_S32MSB_to_F32LSB }, - { AUDIO_S32MSB, AUDIO_F32MSB, SDL_Convert_S32MSB_to_F32MSB }, - { AUDIO_F32LSB, AUDIO_U8, SDL_Convert_F32LSB_to_U8 }, - { AUDIO_F32LSB, AUDIO_S8, SDL_Convert_F32LSB_to_S8 }, - { AUDIO_F32LSB, AUDIO_U16LSB, SDL_Convert_F32LSB_to_U16LSB }, - { AUDIO_F32LSB, AUDIO_S16LSB, SDL_Convert_F32LSB_to_S16LSB }, - { AUDIO_F32LSB, AUDIO_U16MSB, SDL_Convert_F32LSB_to_U16MSB }, - { AUDIO_F32LSB, AUDIO_S16MSB, SDL_Convert_F32LSB_to_S16MSB }, - { AUDIO_F32LSB, AUDIO_S32LSB, SDL_Convert_F32LSB_to_S32LSB }, - { AUDIO_F32LSB, AUDIO_S32MSB, SDL_Convert_F32LSB_to_S32MSB }, - { AUDIO_F32LSB, AUDIO_F32MSB, SDL_Convert_F32LSB_to_F32MSB }, - { AUDIO_F32MSB, AUDIO_U8, SDL_Convert_F32MSB_to_U8 }, - { AUDIO_F32MSB, AUDIO_S8, SDL_Convert_F32MSB_to_S8 }, - { AUDIO_F32MSB, AUDIO_U16LSB, SDL_Convert_F32MSB_to_U16LSB }, - { AUDIO_F32MSB, AUDIO_S16LSB, SDL_Convert_F32MSB_to_S16LSB }, - { AUDIO_F32MSB, AUDIO_U16MSB, SDL_Convert_F32MSB_to_U16MSB }, - { AUDIO_F32MSB, AUDIO_S16MSB, SDL_Convert_F32MSB_to_S16MSB }, - { AUDIO_F32MSB, AUDIO_S32LSB, SDL_Convert_F32MSB_to_S32LSB }, - { AUDIO_F32MSB, AUDIO_S32MSB, SDL_Convert_F32MSB_to_S32MSB }, - { AUDIO_F32MSB, AUDIO_F32LSB, SDL_Convert_F32MSB_to_F32LSB }, -#endif /* !NO_CONVERTERS */ - { 0, 0, NULL } -}; - - -#if !NO_RESAMPLERS - -static void SDLCALL -SDL_Upsample_U8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U8, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 16; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 1; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 1; - Uint8 sample0 = src[0]; - Uint8 last_sample0 = sample0; - while (dst > target) { - dst[0] = sample0; - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U8, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 16; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Uint8 sample0 = src[0]; - Uint8 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = sample0; - dst++; - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U8, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 2; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 2; - Uint8 sample1 = src[1]; - Uint8 sample0 = src[0]; - Uint8 last_sample1 = sample1; - Uint8 last_sample0 = sample0; - while (dst > target) { - dst[1] = sample1; - dst[0] = sample0; - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U8, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Uint8 sample0 = src[0]; - Uint8 sample1 = src[1]; - Uint8 last_sample0 = sample0; - Uint8 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = sample0; - dst[1] = sample1; - dst += 2; - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U8, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 4; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 4; - Uint8 sample3 = src[3]; - Uint8 sample2 = src[2]; - Uint8 sample1 = src[1]; - Uint8 sample0 = src[0]; - Uint8 last_sample3 = sample3; - Uint8 last_sample2 = sample2; - Uint8 last_sample1 = sample1; - Uint8 last_sample0 = sample0; - while (dst > target) { - dst[3] = sample3; - dst[2] = sample2; - dst[1] = sample1; - dst[0] = sample0; - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Uint8) ((((Sint16) src[3]) + ((Sint16) last_sample3)) >> 1); - sample2 = (Uint8) ((((Sint16) src[2]) + ((Sint16) last_sample2)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U8, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Uint8 sample0 = src[0]; - Uint8 sample1 = src[1]; - Uint8 sample2 = src[2]; - Uint8 sample3 = src[3]; - Uint8 last_sample0 = sample0; - Uint8 last_sample1 = sample1; - Uint8 last_sample2 = sample2; - Uint8 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = sample0; - dst[1] = sample1; - dst[2] = sample2; - dst[3] = sample3; - dst += 4; - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample2 = (Uint8) ((((Sint16) src[2]) + ((Sint16) last_sample2)) >> 1); - sample3 = (Uint8) ((((Sint16) src[3]) + ((Sint16) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U8, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 96; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 6; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 6; - Uint8 sample5 = src[5]; - Uint8 sample4 = src[4]; - Uint8 sample3 = src[3]; - Uint8 sample2 = src[2]; - Uint8 sample1 = src[1]; - Uint8 sample0 = src[0]; - Uint8 last_sample5 = sample5; - Uint8 last_sample4 = sample4; - Uint8 last_sample3 = sample3; - Uint8 last_sample2 = sample2; - Uint8 last_sample1 = sample1; - Uint8 last_sample0 = sample0; - while (dst > target) { - dst[5] = sample5; - dst[4] = sample4; - dst[3] = sample3; - dst[2] = sample2; - dst[1] = sample1; - dst[0] = sample0; - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Uint8) ((((Sint16) src[5]) + ((Sint16) last_sample5)) >> 1); - sample4 = (Uint8) ((((Sint16) src[4]) + ((Sint16) last_sample4)) >> 1); - sample3 = (Uint8) ((((Sint16) src[3]) + ((Sint16) last_sample3)) >> 1); - sample2 = (Uint8) ((((Sint16) src[2]) + ((Sint16) last_sample2)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U8, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 96; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Uint8 sample0 = src[0]; - Uint8 sample1 = src[1]; - Uint8 sample2 = src[2]; - Uint8 sample3 = src[3]; - Uint8 sample4 = src[4]; - Uint8 sample5 = src[5]; - Uint8 last_sample0 = sample0; - Uint8 last_sample1 = sample1; - Uint8 last_sample2 = sample2; - Uint8 last_sample3 = sample3; - Uint8 last_sample4 = sample4; - Uint8 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = sample0; - dst[1] = sample1; - dst[2] = sample2; - dst[3] = sample3; - dst[4] = sample4; - dst[5] = sample5; - dst += 6; - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample2 = (Uint8) ((((Sint16) src[2]) + ((Sint16) last_sample2)) >> 1); - sample3 = (Uint8) ((((Sint16) src[3]) + ((Sint16) last_sample3)) >> 1); - sample4 = (Uint8) ((((Sint16) src[4]) + ((Sint16) last_sample4)) >> 1); - sample5 = (Uint8) ((((Sint16) src[5]) + ((Sint16) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U8, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 8; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 8; - Uint8 sample7 = src[7]; - Uint8 sample6 = src[6]; - Uint8 sample5 = src[5]; - Uint8 sample4 = src[4]; - Uint8 sample3 = src[3]; - Uint8 sample2 = src[2]; - Uint8 sample1 = src[1]; - Uint8 sample0 = src[0]; - Uint8 last_sample7 = sample7; - Uint8 last_sample6 = sample6; - Uint8 last_sample5 = sample5; - Uint8 last_sample4 = sample4; - Uint8 last_sample3 = sample3; - Uint8 last_sample2 = sample2; - Uint8 last_sample1 = sample1; - Uint8 last_sample0 = sample0; - while (dst > target) { - dst[7] = sample7; - dst[6] = sample6; - dst[5] = sample5; - dst[4] = sample4; - dst[3] = sample3; - dst[2] = sample2; - dst[1] = sample1; - dst[0] = sample0; - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Uint8) ((((Sint16) src[7]) + ((Sint16) last_sample7)) >> 1); - sample6 = (Uint8) ((((Sint16) src[6]) + ((Sint16) last_sample6)) >> 1); - sample5 = (Uint8) ((((Sint16) src[5]) + ((Sint16) last_sample5)) >> 1); - sample4 = (Uint8) ((((Sint16) src[4]) + ((Sint16) last_sample4)) >> 1); - sample3 = (Uint8) ((((Sint16) src[3]) + ((Sint16) last_sample3)) >> 1); - sample2 = (Uint8) ((((Sint16) src[2]) + ((Sint16) last_sample2)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U8, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Uint8 sample0 = src[0]; - Uint8 sample1 = src[1]; - Uint8 sample2 = src[2]; - Uint8 sample3 = src[3]; - Uint8 sample4 = src[4]; - Uint8 sample5 = src[5]; - Uint8 sample6 = src[6]; - Uint8 sample7 = src[7]; - Uint8 last_sample0 = sample0; - Uint8 last_sample1 = sample1; - Uint8 last_sample2 = sample2; - Uint8 last_sample3 = sample3; - Uint8 last_sample4 = sample4; - Uint8 last_sample5 = sample5; - Uint8 last_sample6 = sample6; - Uint8 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = sample0; - dst[1] = sample1; - dst[2] = sample2; - dst[3] = sample3; - dst[4] = sample4; - dst[5] = sample5; - dst[6] = sample6; - dst[7] = sample7; - dst += 8; - sample0 = (Uint8) ((((Sint16) src[0]) + ((Sint16) last_sample0)) >> 1); - sample1 = (Uint8) ((((Sint16) src[1]) + ((Sint16) last_sample1)) >> 1); - sample2 = (Uint8) ((((Sint16) src[2]) + ((Sint16) last_sample2)) >> 1); - sample3 = (Uint8) ((((Sint16) src[3]) + ((Sint16) last_sample3)) >> 1); - sample4 = (Uint8) ((((Sint16) src[4]) + ((Sint16) last_sample4)) >> 1); - sample5 = (Uint8) ((((Sint16) src[5]) + ((Sint16) last_sample5)) >> 1); - sample6 = (Uint8) ((((Sint16) src[6]) + ((Sint16) last_sample6)) >> 1); - sample7 = (Uint8) ((((Sint16) src[7]) + ((Sint16) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S8, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 16; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 1; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 1; - Sint8 sample0 = ((Sint8) src[0]); - Sint8 last_sample0 = sample0; - while (dst > target) { - dst[0] = ((Sint8) sample0); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S8, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 16; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint8) sample0); - dst++; - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S8, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 2; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 2; - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 last_sample1 = sample1; - Sint8 last_sample0 = sample0; - while (dst > target) { - dst[1] = ((Sint8) sample1); - dst[0] = ((Sint8) sample0); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S8, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 last_sample0 = sample0; - Sint8 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint8) sample0); - dst[1] = ((Sint8) sample1); - dst += 2; - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S8, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 4; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 4; - Sint8 sample3 = ((Sint8) src[3]); - Sint8 sample2 = ((Sint8) src[2]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 last_sample3 = sample3; - Sint8 last_sample2 = sample2; - Sint8 last_sample1 = sample1; - Sint8 last_sample0 = sample0; - while (dst > target) { - dst[3] = ((Sint8) sample3); - dst[2] = ((Sint8) sample2); - dst[1] = ((Sint8) sample1); - dst[0] = ((Sint8) sample0); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Sint8) ((((Sint16) ((Sint8) src[3])) + ((Sint16) last_sample3)) >> 1); - sample2 = (Sint8) ((((Sint16) ((Sint8) src[2])) + ((Sint16) last_sample2)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S8, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample2 = ((Sint8) src[2]); - Sint8 sample3 = ((Sint8) src[3]); - Sint8 last_sample0 = sample0; - Sint8 last_sample1 = sample1; - Sint8 last_sample2 = sample2; - Sint8 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint8) sample0); - dst[1] = ((Sint8) sample1); - dst[2] = ((Sint8) sample2); - dst[3] = ((Sint8) sample3); - dst += 4; - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample2 = (Sint8) ((((Sint16) ((Sint8) src[2])) + ((Sint16) last_sample2)) >> 1); - sample3 = (Sint8) ((((Sint16) ((Sint8) src[3])) + ((Sint16) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S8, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 96; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 6; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 6; - Sint8 sample5 = ((Sint8) src[5]); - Sint8 sample4 = ((Sint8) src[4]); - Sint8 sample3 = ((Sint8) src[3]); - Sint8 sample2 = ((Sint8) src[2]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 last_sample5 = sample5; - Sint8 last_sample4 = sample4; - Sint8 last_sample3 = sample3; - Sint8 last_sample2 = sample2; - Sint8 last_sample1 = sample1; - Sint8 last_sample0 = sample0; - while (dst > target) { - dst[5] = ((Sint8) sample5); - dst[4] = ((Sint8) sample4); - dst[3] = ((Sint8) sample3); - dst[2] = ((Sint8) sample2); - dst[1] = ((Sint8) sample1); - dst[0] = ((Sint8) sample0); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Sint8) ((((Sint16) ((Sint8) src[5])) + ((Sint16) last_sample5)) >> 1); - sample4 = (Sint8) ((((Sint16) ((Sint8) src[4])) + ((Sint16) last_sample4)) >> 1); - sample3 = (Sint8) ((((Sint16) ((Sint8) src[3])) + ((Sint16) last_sample3)) >> 1); - sample2 = (Sint8) ((((Sint16) ((Sint8) src[2])) + ((Sint16) last_sample2)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S8, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 96; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample2 = ((Sint8) src[2]); - Sint8 sample3 = ((Sint8) src[3]); - Sint8 sample4 = ((Sint8) src[4]); - Sint8 sample5 = ((Sint8) src[5]); - Sint8 last_sample0 = sample0; - Sint8 last_sample1 = sample1; - Sint8 last_sample2 = sample2; - Sint8 last_sample3 = sample3; - Sint8 last_sample4 = sample4; - Sint8 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint8) sample0); - dst[1] = ((Sint8) sample1); - dst[2] = ((Sint8) sample2); - dst[3] = ((Sint8) sample3); - dst[4] = ((Sint8) sample4); - dst[5] = ((Sint8) sample5); - dst += 6; - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample2 = (Sint8) ((((Sint16) ((Sint8) src[2])) + ((Sint16) last_sample2)) >> 1); - sample3 = (Sint8) ((((Sint16) ((Sint8) src[3])) + ((Sint16) last_sample3)) >> 1); - sample4 = (Sint8) ((((Sint16) ((Sint8) src[4])) + ((Sint16) last_sample4)) >> 1); - sample5 = (Sint8) ((((Sint16) ((Sint8) src[5])) + ((Sint16) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S8, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 8; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 8; - Sint8 sample7 = ((Sint8) src[7]); - Sint8 sample6 = ((Sint8) src[6]); - Sint8 sample5 = ((Sint8) src[5]); - Sint8 sample4 = ((Sint8) src[4]); - Sint8 sample3 = ((Sint8) src[3]); - Sint8 sample2 = ((Sint8) src[2]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 last_sample7 = sample7; - Sint8 last_sample6 = sample6; - Sint8 last_sample5 = sample5; - Sint8 last_sample4 = sample4; - Sint8 last_sample3 = sample3; - Sint8 last_sample2 = sample2; - Sint8 last_sample1 = sample1; - Sint8 last_sample0 = sample0; - while (dst > target) { - dst[7] = ((Sint8) sample7); - dst[6] = ((Sint8) sample6); - dst[5] = ((Sint8) sample5); - dst[4] = ((Sint8) sample4); - dst[3] = ((Sint8) sample3); - dst[2] = ((Sint8) sample2); - dst[1] = ((Sint8) sample1); - dst[0] = ((Sint8) sample0); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Sint8) ((((Sint16) ((Sint8) src[7])) + ((Sint16) last_sample7)) >> 1); - sample6 = (Sint8) ((((Sint16) ((Sint8) src[6])) + ((Sint16) last_sample6)) >> 1); - sample5 = (Sint8) ((((Sint16) ((Sint8) src[5])) + ((Sint16) last_sample5)) >> 1); - sample4 = (Sint8) ((((Sint16) ((Sint8) src[4])) + ((Sint16) last_sample4)) >> 1); - sample3 = (Sint8) ((((Sint16) ((Sint8) src[3])) + ((Sint16) last_sample3)) >> 1); - sample2 = (Sint8) ((((Sint16) ((Sint8) src[2])) + ((Sint16) last_sample2)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S8, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint8 sample0 = ((Sint8) src[0]); - Sint8 sample1 = ((Sint8) src[1]); - Sint8 sample2 = ((Sint8) src[2]); - Sint8 sample3 = ((Sint8) src[3]); - Sint8 sample4 = ((Sint8) src[4]); - Sint8 sample5 = ((Sint8) src[5]); - Sint8 sample6 = ((Sint8) src[6]); - Sint8 sample7 = ((Sint8) src[7]); - Sint8 last_sample0 = sample0; - Sint8 last_sample1 = sample1; - Sint8 last_sample2 = sample2; - Sint8 last_sample3 = sample3; - Sint8 last_sample4 = sample4; - Sint8 last_sample5 = sample5; - Sint8 last_sample6 = sample6; - Sint8 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint8) sample0); - dst[1] = ((Sint8) sample1); - dst[2] = ((Sint8) sample2); - dst[3] = ((Sint8) sample3); - dst[4] = ((Sint8) sample4); - dst[5] = ((Sint8) sample5); - dst[6] = ((Sint8) sample6); - dst[7] = ((Sint8) sample7); - dst += 8; - sample0 = (Sint8) ((((Sint16) ((Sint8) src[0])) + ((Sint16) last_sample0)) >> 1); - sample1 = (Sint8) ((((Sint16) ((Sint8) src[1])) + ((Sint16) last_sample1)) >> 1); - sample2 = (Sint8) ((((Sint16) ((Sint8) src[2])) + ((Sint16) last_sample2)) >> 1); - sample3 = (Sint8) ((((Sint16) ((Sint8) src[3])) + ((Sint16) last_sample3)) >> 1); - sample4 = (Sint8) ((((Sint16) ((Sint8) src[4])) + ((Sint16) last_sample4)) >> 1); - sample5 = (Sint8) ((((Sint16) ((Sint8) src[5])) + ((Sint16) last_sample5)) >> 1); - sample6 = (Sint8) ((((Sint16) ((Sint8) src[6])) + ((Sint16) last_sample6)) >> 1); - sample7 = (Sint8) ((((Sint16) ((Sint8) src[7])) + ((Sint16) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 1; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[0] = SDL_SwapLE16(sample0); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapLE16(sample0); - dst++; - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 2; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 2; - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[1] = SDL_SwapLE16(sample1); - dst[0] = SDL_SwapLE16(sample0); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapLE16(sample0); - dst[1] = SDL_SwapLE16(sample1); - dst += 2; - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 4; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 4; - Uint16 sample3 = SDL_SwapLE16(src[3]); - Uint16 sample2 = SDL_SwapLE16(src[2]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 last_sample3 = sample3; - Uint16 last_sample2 = sample2; - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[3] = SDL_SwapLE16(sample3); - dst[2] = SDL_SwapLE16(sample2); - dst[1] = SDL_SwapLE16(sample1); - dst[0] = SDL_SwapLE16(sample0); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Uint16) ((((Sint32) SDL_SwapLE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapLE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample2 = SDL_SwapLE16(src[2]); - Uint16 sample3 = SDL_SwapLE16(src[3]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - Uint16 last_sample2 = sample2; - Uint16 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapLE16(sample0); - dst[1] = SDL_SwapLE16(sample1); - dst[2] = SDL_SwapLE16(sample2); - dst[3] = SDL_SwapLE16(sample3); - dst += 4; - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapLE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapLE16(src[3])) + ((Sint32) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 6; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 6; - Uint16 sample5 = SDL_SwapLE16(src[5]); - Uint16 sample4 = SDL_SwapLE16(src[4]); - Uint16 sample3 = SDL_SwapLE16(src[3]); - Uint16 sample2 = SDL_SwapLE16(src[2]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 last_sample5 = sample5; - Uint16 last_sample4 = sample4; - Uint16 last_sample3 = sample3; - Uint16 last_sample2 = sample2; - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[5] = SDL_SwapLE16(sample5); - dst[4] = SDL_SwapLE16(sample4); - dst[3] = SDL_SwapLE16(sample3); - dst[2] = SDL_SwapLE16(sample2); - dst[1] = SDL_SwapLE16(sample1); - dst[0] = SDL_SwapLE16(sample0); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Uint16) ((((Sint32) SDL_SwapLE16(src[5])) + ((Sint32) last_sample5)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapLE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapLE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapLE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample2 = SDL_SwapLE16(src[2]); - Uint16 sample3 = SDL_SwapLE16(src[3]); - Uint16 sample4 = SDL_SwapLE16(src[4]); - Uint16 sample5 = SDL_SwapLE16(src[5]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - Uint16 last_sample2 = sample2; - Uint16 last_sample3 = sample3; - Uint16 last_sample4 = sample4; - Uint16 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapLE16(sample0); - dst[1] = SDL_SwapLE16(sample1); - dst[2] = SDL_SwapLE16(sample2); - dst[3] = SDL_SwapLE16(sample3); - dst[4] = SDL_SwapLE16(sample4); - dst[5] = SDL_SwapLE16(sample5); - dst += 6; - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapLE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapLE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapLE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample5 = (Uint16) ((((Sint32) SDL_SwapLE16(src[5])) + ((Sint32) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 8; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 8; - Uint16 sample7 = SDL_SwapLE16(src[7]); - Uint16 sample6 = SDL_SwapLE16(src[6]); - Uint16 sample5 = SDL_SwapLE16(src[5]); - Uint16 sample4 = SDL_SwapLE16(src[4]); - Uint16 sample3 = SDL_SwapLE16(src[3]); - Uint16 sample2 = SDL_SwapLE16(src[2]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 last_sample7 = sample7; - Uint16 last_sample6 = sample6; - Uint16 last_sample5 = sample5; - Uint16 last_sample4 = sample4; - Uint16 last_sample3 = sample3; - Uint16 last_sample2 = sample2; - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[7] = SDL_SwapLE16(sample7); - dst[6] = SDL_SwapLE16(sample6); - dst[5] = SDL_SwapLE16(sample5); - dst[4] = SDL_SwapLE16(sample4); - dst[3] = SDL_SwapLE16(sample3); - dst[2] = SDL_SwapLE16(sample2); - dst[1] = SDL_SwapLE16(sample1); - dst[0] = SDL_SwapLE16(sample0); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Uint16) ((((Sint32) SDL_SwapLE16(src[7])) + ((Sint32) last_sample7)) >> 1); - sample6 = (Uint16) ((((Sint32) SDL_SwapLE16(src[6])) + ((Sint32) last_sample6)) >> 1); - sample5 = (Uint16) ((((Sint32) SDL_SwapLE16(src[5])) + ((Sint32) last_sample5)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapLE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapLE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapLE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapLE16(src[0]); - Uint16 sample1 = SDL_SwapLE16(src[1]); - Uint16 sample2 = SDL_SwapLE16(src[2]); - Uint16 sample3 = SDL_SwapLE16(src[3]); - Uint16 sample4 = SDL_SwapLE16(src[4]); - Uint16 sample5 = SDL_SwapLE16(src[5]); - Uint16 sample6 = SDL_SwapLE16(src[6]); - Uint16 sample7 = SDL_SwapLE16(src[7]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - Uint16 last_sample2 = sample2; - Uint16 last_sample3 = sample3; - Uint16 last_sample4 = sample4; - Uint16 last_sample5 = sample5; - Uint16 last_sample6 = sample6; - Uint16 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapLE16(sample0); - dst[1] = SDL_SwapLE16(sample1); - dst[2] = SDL_SwapLE16(sample2); - dst[3] = SDL_SwapLE16(sample3); - dst[4] = SDL_SwapLE16(sample4); - dst[5] = SDL_SwapLE16(sample5); - dst[6] = SDL_SwapLE16(sample6); - dst[7] = SDL_SwapLE16(sample7); - dst += 8; - sample0 = (Uint16) ((((Sint32) SDL_SwapLE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapLE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapLE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapLE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapLE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample5 = (Uint16) ((((Sint32) SDL_SwapLE16(src[5])) + ((Sint32) last_sample5)) >> 1); - sample6 = (Uint16) ((((Sint32) SDL_SwapLE16(src[6])) + ((Sint32) last_sample6)) >> 1); - sample7 = (Uint16) ((((Sint32) SDL_SwapLE16(src[7])) + ((Sint32) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 1; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst++; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 2; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 2; - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst += 2; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 4; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 4; - Sint16 sample3 = ((Sint16) SDL_SwapLE16(src[3])); - Sint16 sample2 = ((Sint16) SDL_SwapLE16(src[2])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 last_sample3 = sample3; - Sint16 last_sample2 = sample2; - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[3] = ((Sint16) SDL_SwapLE16(sample3)); - dst[2] = ((Sint16) SDL_SwapLE16(sample2)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample2 = ((Sint16) SDL_SwapLE16(src[2])); - Sint16 sample3 = ((Sint16) SDL_SwapLE16(src[3])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - Sint16 last_sample2 = sample2; - Sint16 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[2] = ((Sint16) SDL_SwapLE16(sample2)); - dst[3] = ((Sint16) SDL_SwapLE16(sample3)); - dst += 4; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 6; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 6; - Sint16 sample5 = ((Sint16) SDL_SwapLE16(src[5])); - Sint16 sample4 = ((Sint16) SDL_SwapLE16(src[4])); - Sint16 sample3 = ((Sint16) SDL_SwapLE16(src[3])); - Sint16 sample2 = ((Sint16) SDL_SwapLE16(src[2])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 last_sample5 = sample5; - Sint16 last_sample4 = sample4; - Sint16 last_sample3 = sample3; - Sint16 last_sample2 = sample2; - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[5] = ((Sint16) SDL_SwapLE16(sample5)); - dst[4] = ((Sint16) SDL_SwapLE16(sample4)); - dst[3] = ((Sint16) SDL_SwapLE16(sample3)); - dst[2] = ((Sint16) SDL_SwapLE16(sample2)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample2 = ((Sint16) SDL_SwapLE16(src[2])); - Sint16 sample3 = ((Sint16) SDL_SwapLE16(src[3])); - Sint16 sample4 = ((Sint16) SDL_SwapLE16(src[4])); - Sint16 sample5 = ((Sint16) SDL_SwapLE16(src[5])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - Sint16 last_sample2 = sample2; - Sint16 last_sample3 = sample3; - Sint16 last_sample4 = sample4; - Sint16 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[2] = ((Sint16) SDL_SwapLE16(sample2)); - dst[3] = ((Sint16) SDL_SwapLE16(sample3)); - dst[4] = ((Sint16) SDL_SwapLE16(sample4)); - dst[5] = ((Sint16) SDL_SwapLE16(sample5)); - dst += 6; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 8; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 8; - Sint16 sample7 = ((Sint16) SDL_SwapLE16(src[7])); - Sint16 sample6 = ((Sint16) SDL_SwapLE16(src[6])); - Sint16 sample5 = ((Sint16) SDL_SwapLE16(src[5])); - Sint16 sample4 = ((Sint16) SDL_SwapLE16(src[4])); - Sint16 sample3 = ((Sint16) SDL_SwapLE16(src[3])); - Sint16 sample2 = ((Sint16) SDL_SwapLE16(src[2])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 last_sample7 = sample7; - Sint16 last_sample6 = sample6; - Sint16 last_sample5 = sample5; - Sint16 last_sample4 = sample4; - Sint16 last_sample3 = sample3; - Sint16 last_sample2 = sample2; - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[7] = ((Sint16) SDL_SwapLE16(sample7)); - dst[6] = ((Sint16) SDL_SwapLE16(sample6)); - dst[5] = ((Sint16) SDL_SwapLE16(sample5)); - dst[4] = ((Sint16) SDL_SwapLE16(sample4)); - dst[3] = ((Sint16) SDL_SwapLE16(sample3)); - dst[2] = ((Sint16) SDL_SwapLE16(sample2)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[7]))) + ((Sint32) last_sample7)) >> 1); - sample6 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[6]))) + ((Sint32) last_sample6)) >> 1); - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapLE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapLE16(src[1])); - Sint16 sample2 = ((Sint16) SDL_SwapLE16(src[2])); - Sint16 sample3 = ((Sint16) SDL_SwapLE16(src[3])); - Sint16 sample4 = ((Sint16) SDL_SwapLE16(src[4])); - Sint16 sample5 = ((Sint16) SDL_SwapLE16(src[5])); - Sint16 sample6 = ((Sint16) SDL_SwapLE16(src[6])); - Sint16 sample7 = ((Sint16) SDL_SwapLE16(src[7])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - Sint16 last_sample2 = sample2; - Sint16 last_sample3 = sample3; - Sint16 last_sample4 = sample4; - Sint16 last_sample5 = sample5; - Sint16 last_sample6 = sample6; - Sint16 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapLE16(sample0)); - dst[1] = ((Sint16) SDL_SwapLE16(sample1)); - dst[2] = ((Sint16) SDL_SwapLE16(sample2)); - dst[3] = ((Sint16) SDL_SwapLE16(sample3)); - dst[4] = ((Sint16) SDL_SwapLE16(sample4)); - dst[5] = ((Sint16) SDL_SwapLE16(sample5)); - dst[6] = ((Sint16) SDL_SwapLE16(sample6)); - dst[7] = ((Sint16) SDL_SwapLE16(sample7)); - dst += 8; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - sample6 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[6]))) + ((Sint32) last_sample6)) >> 1); - sample7 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapLE16(src[7]))) + ((Sint32) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 1; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[0] = SDL_SwapBE16(sample0); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapBE16(sample0); - dst++; - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 2; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 2; - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[1] = SDL_SwapBE16(sample1); - dst[0] = SDL_SwapBE16(sample0); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapBE16(sample0); - dst[1] = SDL_SwapBE16(sample1); - dst += 2; - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 4; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 4; - Uint16 sample3 = SDL_SwapBE16(src[3]); - Uint16 sample2 = SDL_SwapBE16(src[2]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 last_sample3 = sample3; - Uint16 last_sample2 = sample2; - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[3] = SDL_SwapBE16(sample3); - dst[2] = SDL_SwapBE16(sample2); - dst[1] = SDL_SwapBE16(sample1); - dst[0] = SDL_SwapBE16(sample0); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Uint16) ((((Sint32) SDL_SwapBE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapBE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample2 = SDL_SwapBE16(src[2]); - Uint16 sample3 = SDL_SwapBE16(src[3]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - Uint16 last_sample2 = sample2; - Uint16 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapBE16(sample0); - dst[1] = SDL_SwapBE16(sample1); - dst[2] = SDL_SwapBE16(sample2); - dst[3] = SDL_SwapBE16(sample3); - dst += 4; - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapBE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapBE16(src[3])) + ((Sint32) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 6; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 6; - Uint16 sample5 = SDL_SwapBE16(src[5]); - Uint16 sample4 = SDL_SwapBE16(src[4]); - Uint16 sample3 = SDL_SwapBE16(src[3]); - Uint16 sample2 = SDL_SwapBE16(src[2]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 last_sample5 = sample5; - Uint16 last_sample4 = sample4; - Uint16 last_sample3 = sample3; - Uint16 last_sample2 = sample2; - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[5] = SDL_SwapBE16(sample5); - dst[4] = SDL_SwapBE16(sample4); - dst[3] = SDL_SwapBE16(sample3); - dst[2] = SDL_SwapBE16(sample2); - dst[1] = SDL_SwapBE16(sample1); - dst[0] = SDL_SwapBE16(sample0); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Uint16) ((((Sint32) SDL_SwapBE16(src[5])) + ((Sint32) last_sample5)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapBE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapBE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapBE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample2 = SDL_SwapBE16(src[2]); - Uint16 sample3 = SDL_SwapBE16(src[3]); - Uint16 sample4 = SDL_SwapBE16(src[4]); - Uint16 sample5 = SDL_SwapBE16(src[5]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - Uint16 last_sample2 = sample2; - Uint16 last_sample3 = sample3; - Uint16 last_sample4 = sample4; - Uint16 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapBE16(sample0); - dst[1] = SDL_SwapBE16(sample1); - dst[2] = SDL_SwapBE16(sample2); - dst[3] = SDL_SwapBE16(sample3); - dst[4] = SDL_SwapBE16(sample4); - dst[5] = SDL_SwapBE16(sample5); - dst += 6; - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapBE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapBE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapBE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample5 = (Uint16) ((((Sint32) SDL_SwapBE16(src[5])) + ((Sint32) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_U16MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 8; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 8; - Uint16 sample7 = SDL_SwapBE16(src[7]); - Uint16 sample6 = SDL_SwapBE16(src[6]); - Uint16 sample5 = SDL_SwapBE16(src[5]); - Uint16 sample4 = SDL_SwapBE16(src[4]); - Uint16 sample3 = SDL_SwapBE16(src[3]); - Uint16 sample2 = SDL_SwapBE16(src[2]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 last_sample7 = sample7; - Uint16 last_sample6 = sample6; - Uint16 last_sample5 = sample5; - Uint16 last_sample4 = sample4; - Uint16 last_sample3 = sample3; - Uint16 last_sample2 = sample2; - Uint16 last_sample1 = sample1; - Uint16 last_sample0 = sample0; - while (dst > target) { - dst[7] = SDL_SwapBE16(sample7); - dst[6] = SDL_SwapBE16(sample6); - dst[5] = SDL_SwapBE16(sample5); - dst[4] = SDL_SwapBE16(sample4); - dst[3] = SDL_SwapBE16(sample3); - dst[2] = SDL_SwapBE16(sample2); - dst[1] = SDL_SwapBE16(sample1); - dst[0] = SDL_SwapBE16(sample0); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Uint16) ((((Sint32) SDL_SwapBE16(src[7])) + ((Sint32) last_sample7)) >> 1); - sample6 = (Uint16) ((((Sint32) SDL_SwapBE16(src[6])) + ((Sint32) last_sample6)) >> 1); - sample5 = (Uint16) ((((Sint32) SDL_SwapBE16(src[5])) + ((Sint32) last_sample5)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapBE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapBE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapBE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_U16MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Uint16 sample0 = SDL_SwapBE16(src[0]); - Uint16 sample1 = SDL_SwapBE16(src[1]); - Uint16 sample2 = SDL_SwapBE16(src[2]); - Uint16 sample3 = SDL_SwapBE16(src[3]); - Uint16 sample4 = SDL_SwapBE16(src[4]); - Uint16 sample5 = SDL_SwapBE16(src[5]); - Uint16 sample6 = SDL_SwapBE16(src[6]); - Uint16 sample7 = SDL_SwapBE16(src[7]); - Uint16 last_sample0 = sample0; - Uint16 last_sample1 = sample1; - Uint16 last_sample2 = sample2; - Uint16 last_sample3 = sample3; - Uint16 last_sample4 = sample4; - Uint16 last_sample5 = sample5; - Uint16 last_sample6 = sample6; - Uint16 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapBE16(sample0); - dst[1] = SDL_SwapBE16(sample1); - dst[2] = SDL_SwapBE16(sample2); - dst[3] = SDL_SwapBE16(sample3); - dst[4] = SDL_SwapBE16(sample4); - dst[5] = SDL_SwapBE16(sample5); - dst[6] = SDL_SwapBE16(sample6); - dst[7] = SDL_SwapBE16(sample7); - dst += 8; - sample0 = (Uint16) ((((Sint32) SDL_SwapBE16(src[0])) + ((Sint32) last_sample0)) >> 1); - sample1 = (Uint16) ((((Sint32) SDL_SwapBE16(src[1])) + ((Sint32) last_sample1)) >> 1); - sample2 = (Uint16) ((((Sint32) SDL_SwapBE16(src[2])) + ((Sint32) last_sample2)) >> 1); - sample3 = (Uint16) ((((Sint32) SDL_SwapBE16(src[3])) + ((Sint32) last_sample3)) >> 1); - sample4 = (Uint16) ((((Sint32) SDL_SwapBE16(src[4])) + ((Sint32) last_sample4)) >> 1); - sample5 = (Uint16) ((((Sint32) SDL_SwapBE16(src[5])) + ((Sint32) last_sample5)) >> 1); - sample6 = (Uint16) ((((Sint32) SDL_SwapBE16(src[6])) + ((Sint32) last_sample6)) >> 1); - sample7 = (Uint16) ((((Sint32) SDL_SwapBE16(src[7])) + ((Sint32) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 1; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 32; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst++; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 2; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 2; - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst += 2; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 4; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 4; - Sint16 sample3 = ((Sint16) SDL_SwapBE16(src[3])); - Sint16 sample2 = ((Sint16) SDL_SwapBE16(src[2])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 last_sample3 = sample3; - Sint16 last_sample2 = sample2; - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[3] = ((Sint16) SDL_SwapBE16(sample3)); - dst[2] = ((Sint16) SDL_SwapBE16(sample2)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample2 = ((Sint16) SDL_SwapBE16(src[2])); - Sint16 sample3 = ((Sint16) SDL_SwapBE16(src[3])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - Sint16 last_sample2 = sample2; - Sint16 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[2] = ((Sint16) SDL_SwapBE16(sample2)); - dst[3] = ((Sint16) SDL_SwapBE16(sample3)); - dst += 4; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 6; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 6; - Sint16 sample5 = ((Sint16) SDL_SwapBE16(src[5])); - Sint16 sample4 = ((Sint16) SDL_SwapBE16(src[4])); - Sint16 sample3 = ((Sint16) SDL_SwapBE16(src[3])); - Sint16 sample2 = ((Sint16) SDL_SwapBE16(src[2])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 last_sample5 = sample5; - Sint16 last_sample4 = sample4; - Sint16 last_sample3 = sample3; - Sint16 last_sample2 = sample2; - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[5] = ((Sint16) SDL_SwapBE16(sample5)); - dst[4] = ((Sint16) SDL_SwapBE16(sample4)); - dst[3] = ((Sint16) SDL_SwapBE16(sample3)); - dst[2] = ((Sint16) SDL_SwapBE16(sample2)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 192; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample2 = ((Sint16) SDL_SwapBE16(src[2])); - Sint16 sample3 = ((Sint16) SDL_SwapBE16(src[3])); - Sint16 sample4 = ((Sint16) SDL_SwapBE16(src[4])); - Sint16 sample5 = ((Sint16) SDL_SwapBE16(src[5])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - Sint16 last_sample2 = sample2; - Sint16 last_sample3 = sample3; - Sint16 last_sample4 = sample4; - Sint16 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[2] = ((Sint16) SDL_SwapBE16(sample2)); - dst[3] = ((Sint16) SDL_SwapBE16(sample3)); - dst[4] = ((Sint16) SDL_SwapBE16(sample4)); - dst[5] = ((Sint16) SDL_SwapBE16(sample5)); - dst += 6; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S16MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 8; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 8; - Sint16 sample7 = ((Sint16) SDL_SwapBE16(src[7])); - Sint16 sample6 = ((Sint16) SDL_SwapBE16(src[6])); - Sint16 sample5 = ((Sint16) SDL_SwapBE16(src[5])); - Sint16 sample4 = ((Sint16) SDL_SwapBE16(src[4])); - Sint16 sample3 = ((Sint16) SDL_SwapBE16(src[3])); - Sint16 sample2 = ((Sint16) SDL_SwapBE16(src[2])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 last_sample7 = sample7; - Sint16 last_sample6 = sample6; - Sint16 last_sample5 = sample5; - Sint16 last_sample4 = sample4; - Sint16 last_sample3 = sample3; - Sint16 last_sample2 = sample2; - Sint16 last_sample1 = sample1; - Sint16 last_sample0 = sample0; - while (dst > target) { - dst[7] = ((Sint16) SDL_SwapBE16(sample7)); - dst[6] = ((Sint16) SDL_SwapBE16(sample6)); - dst[5] = ((Sint16) SDL_SwapBE16(sample5)); - dst[4] = ((Sint16) SDL_SwapBE16(sample4)); - dst[3] = ((Sint16) SDL_SwapBE16(sample3)); - dst[2] = ((Sint16) SDL_SwapBE16(sample2)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[7]))) + ((Sint32) last_sample7)) >> 1); - sample6 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[6]))) + ((Sint32) last_sample6)) >> 1); - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S16MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint16 sample0 = ((Sint16) SDL_SwapBE16(src[0])); - Sint16 sample1 = ((Sint16) SDL_SwapBE16(src[1])); - Sint16 sample2 = ((Sint16) SDL_SwapBE16(src[2])); - Sint16 sample3 = ((Sint16) SDL_SwapBE16(src[3])); - Sint16 sample4 = ((Sint16) SDL_SwapBE16(src[4])); - Sint16 sample5 = ((Sint16) SDL_SwapBE16(src[5])); - Sint16 sample6 = ((Sint16) SDL_SwapBE16(src[6])); - Sint16 sample7 = ((Sint16) SDL_SwapBE16(src[7])); - Sint16 last_sample0 = sample0; - Sint16 last_sample1 = sample1; - Sint16 last_sample2 = sample2; - Sint16 last_sample3 = sample3; - Sint16 last_sample4 = sample4; - Sint16 last_sample5 = sample5; - Sint16 last_sample6 = sample6; - Sint16 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint16) SDL_SwapBE16(sample0)); - dst[1] = ((Sint16) SDL_SwapBE16(sample1)); - dst[2] = ((Sint16) SDL_SwapBE16(sample2)); - dst[3] = ((Sint16) SDL_SwapBE16(sample3)); - dst[4] = ((Sint16) SDL_SwapBE16(sample4)); - dst[5] = ((Sint16) SDL_SwapBE16(sample5)); - dst[6] = ((Sint16) SDL_SwapBE16(sample6)); - dst[7] = ((Sint16) SDL_SwapBE16(sample7)); - dst += 8; - sample0 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[0]))) + ((Sint32) last_sample0)) >> 1); - sample1 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[1]))) + ((Sint32) last_sample1)) >> 1); - sample2 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[2]))) + ((Sint32) last_sample2)) >> 1); - sample3 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[3]))) + ((Sint32) last_sample3)) >> 1); - sample4 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[4]))) + ((Sint32) last_sample4)) >> 1); - sample5 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[5]))) + ((Sint32) last_sample5)) >> 1); - sample6 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[6]))) + ((Sint32) last_sample6)) >> 1); - sample7 = (Sint16) ((((Sint32) ((Sint16) SDL_SwapBE16(src[7]))) + ((Sint32) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 1; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst++; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 2; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 2; - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst += 2; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 4; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 4; - Sint32 sample3 = ((Sint32) SDL_SwapLE32(src[3])); - Sint32 sample2 = ((Sint32) SDL_SwapLE32(src[2])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 last_sample3 = sample3; - Sint32 last_sample2 = sample2; - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[3] = ((Sint32) SDL_SwapLE32(sample3)); - dst[2] = ((Sint32) SDL_SwapLE32(sample2)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample2 = ((Sint32) SDL_SwapLE32(src[2])); - Sint32 sample3 = ((Sint32) SDL_SwapLE32(src[3])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - Sint32 last_sample2 = sample2; - Sint32 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[2] = ((Sint32) SDL_SwapLE32(sample2)); - dst[3] = ((Sint32) SDL_SwapLE32(sample3)); - dst += 4; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 6; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 6; - Sint32 sample5 = ((Sint32) SDL_SwapLE32(src[5])); - Sint32 sample4 = ((Sint32) SDL_SwapLE32(src[4])); - Sint32 sample3 = ((Sint32) SDL_SwapLE32(src[3])); - Sint32 sample2 = ((Sint32) SDL_SwapLE32(src[2])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 last_sample5 = sample5; - Sint32 last_sample4 = sample4; - Sint32 last_sample3 = sample3; - Sint32 last_sample2 = sample2; - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[5] = ((Sint32) SDL_SwapLE32(sample5)); - dst[4] = ((Sint32) SDL_SwapLE32(sample4)); - dst[3] = ((Sint32) SDL_SwapLE32(sample3)); - dst[2] = ((Sint32) SDL_SwapLE32(sample2)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample2 = ((Sint32) SDL_SwapLE32(src[2])); - Sint32 sample3 = ((Sint32) SDL_SwapLE32(src[3])); - Sint32 sample4 = ((Sint32) SDL_SwapLE32(src[4])); - Sint32 sample5 = ((Sint32) SDL_SwapLE32(src[5])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - Sint32 last_sample2 = sample2; - Sint32 last_sample3 = sample3; - Sint32 last_sample4 = sample4; - Sint32 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[2] = ((Sint32) SDL_SwapLE32(sample2)); - dst[3] = ((Sint32) SDL_SwapLE32(sample3)); - dst[4] = ((Sint32) SDL_SwapLE32(sample4)); - dst[5] = ((Sint32) SDL_SwapLE32(sample5)); - dst += 6; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 8; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 8; - Sint32 sample7 = ((Sint32) SDL_SwapLE32(src[7])); - Sint32 sample6 = ((Sint32) SDL_SwapLE32(src[6])); - Sint32 sample5 = ((Sint32) SDL_SwapLE32(src[5])); - Sint32 sample4 = ((Sint32) SDL_SwapLE32(src[4])); - Sint32 sample3 = ((Sint32) SDL_SwapLE32(src[3])); - Sint32 sample2 = ((Sint32) SDL_SwapLE32(src[2])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 last_sample7 = sample7; - Sint32 last_sample6 = sample6; - Sint32 last_sample5 = sample5; - Sint32 last_sample4 = sample4; - Sint32 last_sample3 = sample3; - Sint32 last_sample2 = sample2; - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[7] = ((Sint32) SDL_SwapLE32(sample7)); - dst[6] = ((Sint32) SDL_SwapLE32(sample6)); - dst[5] = ((Sint32) SDL_SwapLE32(sample5)); - dst[4] = ((Sint32) SDL_SwapLE32(sample4)); - dst[3] = ((Sint32) SDL_SwapLE32(sample3)); - dst[2] = ((Sint32) SDL_SwapLE32(sample2)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[7]))) + ((Sint64) last_sample7)) >> 1); - sample6 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[6]))) + ((Sint64) last_sample6)) >> 1); - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapLE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapLE32(src[1])); - Sint32 sample2 = ((Sint32) SDL_SwapLE32(src[2])); - Sint32 sample3 = ((Sint32) SDL_SwapLE32(src[3])); - Sint32 sample4 = ((Sint32) SDL_SwapLE32(src[4])); - Sint32 sample5 = ((Sint32) SDL_SwapLE32(src[5])); - Sint32 sample6 = ((Sint32) SDL_SwapLE32(src[6])); - Sint32 sample7 = ((Sint32) SDL_SwapLE32(src[7])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - Sint32 last_sample2 = sample2; - Sint32 last_sample3 = sample3; - Sint32 last_sample4 = sample4; - Sint32 last_sample5 = sample5; - Sint32 last_sample6 = sample6; - Sint32 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapLE32(sample0)); - dst[1] = ((Sint32) SDL_SwapLE32(sample1)); - dst[2] = ((Sint32) SDL_SwapLE32(sample2)); - dst[3] = ((Sint32) SDL_SwapLE32(sample3)); - dst[4] = ((Sint32) SDL_SwapLE32(sample4)); - dst[5] = ((Sint32) SDL_SwapLE32(sample5)); - dst[6] = ((Sint32) SDL_SwapLE32(sample6)); - dst[7] = ((Sint32) SDL_SwapLE32(sample7)); - dst += 8; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - sample6 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[6]))) + ((Sint64) last_sample6)) >> 1); - sample7 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapLE32(src[7]))) + ((Sint64) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 1; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst++; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 2; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 2; - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst += 2; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 4; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 4; - Sint32 sample3 = ((Sint32) SDL_SwapBE32(src[3])); - Sint32 sample2 = ((Sint32) SDL_SwapBE32(src[2])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 last_sample3 = sample3; - Sint32 last_sample2 = sample2; - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[3] = ((Sint32) SDL_SwapBE32(sample3)); - dst[2] = ((Sint32) SDL_SwapBE32(sample2)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample2 = ((Sint32) SDL_SwapBE32(src[2])); - Sint32 sample3 = ((Sint32) SDL_SwapBE32(src[3])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - Sint32 last_sample2 = sample2; - Sint32 last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[2] = ((Sint32) SDL_SwapBE32(sample2)); - dst[3] = ((Sint32) SDL_SwapBE32(sample3)); - dst += 4; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 6; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 6; - Sint32 sample5 = ((Sint32) SDL_SwapBE32(src[5])); - Sint32 sample4 = ((Sint32) SDL_SwapBE32(src[4])); - Sint32 sample3 = ((Sint32) SDL_SwapBE32(src[3])); - Sint32 sample2 = ((Sint32) SDL_SwapBE32(src[2])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 last_sample5 = sample5; - Sint32 last_sample4 = sample4; - Sint32 last_sample3 = sample3; - Sint32 last_sample2 = sample2; - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[5] = ((Sint32) SDL_SwapBE32(sample5)); - dst[4] = ((Sint32) SDL_SwapBE32(sample4)); - dst[3] = ((Sint32) SDL_SwapBE32(sample3)); - dst[2] = ((Sint32) SDL_SwapBE32(sample2)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample2 = ((Sint32) SDL_SwapBE32(src[2])); - Sint32 sample3 = ((Sint32) SDL_SwapBE32(src[3])); - Sint32 sample4 = ((Sint32) SDL_SwapBE32(src[4])); - Sint32 sample5 = ((Sint32) SDL_SwapBE32(src[5])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - Sint32 last_sample2 = sample2; - Sint32 last_sample3 = sample3; - Sint32 last_sample4 = sample4; - Sint32 last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[2] = ((Sint32) SDL_SwapBE32(sample2)); - dst[3] = ((Sint32) SDL_SwapBE32(sample3)); - dst[4] = ((Sint32) SDL_SwapBE32(sample4)); - dst[5] = ((Sint32) SDL_SwapBE32(sample5)); - dst += 6; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_S32MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 8; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 8; - Sint32 sample7 = ((Sint32) SDL_SwapBE32(src[7])); - Sint32 sample6 = ((Sint32) SDL_SwapBE32(src[6])); - Sint32 sample5 = ((Sint32) SDL_SwapBE32(src[5])); - Sint32 sample4 = ((Sint32) SDL_SwapBE32(src[4])); - Sint32 sample3 = ((Sint32) SDL_SwapBE32(src[3])); - Sint32 sample2 = ((Sint32) SDL_SwapBE32(src[2])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 last_sample7 = sample7; - Sint32 last_sample6 = sample6; - Sint32 last_sample5 = sample5; - Sint32 last_sample4 = sample4; - Sint32 last_sample3 = sample3; - Sint32 last_sample2 = sample2; - Sint32 last_sample1 = sample1; - Sint32 last_sample0 = sample0; - while (dst > target) { - dst[7] = ((Sint32) SDL_SwapBE32(sample7)); - dst[6] = ((Sint32) SDL_SwapBE32(sample6)); - dst[5] = ((Sint32) SDL_SwapBE32(sample5)); - dst[4] = ((Sint32) SDL_SwapBE32(sample4)); - dst[3] = ((Sint32) SDL_SwapBE32(sample3)); - dst[2] = ((Sint32) SDL_SwapBE32(sample2)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[7]))) + ((Sint64) last_sample7)) >> 1); - sample6 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[6]))) + ((Sint64) last_sample6)) >> 1); - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_S32MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint32 sample0 = ((Sint32) SDL_SwapBE32(src[0])); - Sint32 sample1 = ((Sint32) SDL_SwapBE32(src[1])); - Sint32 sample2 = ((Sint32) SDL_SwapBE32(src[2])); - Sint32 sample3 = ((Sint32) SDL_SwapBE32(src[3])); - Sint32 sample4 = ((Sint32) SDL_SwapBE32(src[4])); - Sint32 sample5 = ((Sint32) SDL_SwapBE32(src[5])); - Sint32 sample6 = ((Sint32) SDL_SwapBE32(src[6])); - Sint32 sample7 = ((Sint32) SDL_SwapBE32(src[7])); - Sint32 last_sample0 = sample0; - Sint32 last_sample1 = sample1; - Sint32 last_sample2 = sample2; - Sint32 last_sample3 = sample3; - Sint32 last_sample4 = sample4; - Sint32 last_sample5 = sample5; - Sint32 last_sample6 = sample6; - Sint32 last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = ((Sint32) SDL_SwapBE32(sample0)); - dst[1] = ((Sint32) SDL_SwapBE32(sample1)); - dst[2] = ((Sint32) SDL_SwapBE32(sample2)); - dst[3] = ((Sint32) SDL_SwapBE32(sample3)); - dst[4] = ((Sint32) SDL_SwapBE32(sample4)); - dst[5] = ((Sint32) SDL_SwapBE32(sample5)); - dst[6] = ((Sint32) SDL_SwapBE32(sample6)); - dst[7] = ((Sint32) SDL_SwapBE32(sample7)); - dst += 8; - sample0 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[0]))) + ((Sint64) last_sample0)) >> 1); - sample1 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[1]))) + ((Sint64) last_sample1)) >> 1); - sample2 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[2]))) + ((Sint64) last_sample2)) >> 1); - sample3 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[3]))) + ((Sint64) last_sample3)) >> 1); - sample4 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[4]))) + ((Sint64) last_sample4)) >> 1); - sample5 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[5]))) + ((Sint64) last_sample5)) >> 1); - sample6 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[6]))) + ((Sint64) last_sample6)) >> 1); - sample7 = (Sint32) ((((Sint64) ((Sint32) SDL_SwapBE32(src[7]))) + ((Sint64) last_sample7)) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 1; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 1; - const float *target = ((const float *) cvt->buf) - 1; - float sample0 = SDL_SwapFloatLE(src[0]); - float last_sample0 = sample0; - while (dst > target) { - dst[0] = SDL_SwapFloatLE(sample0); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32LSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatLE(src[0]); - float last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatLE(sample0); - dst++; - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 2; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 2; - const float *target = ((const float *) cvt->buf) - 2; - float sample1 = SDL_SwapFloatLE(src[1]); - float sample0 = SDL_SwapFloatLE(src[0]); - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[1] = SDL_SwapFloatLE(sample1); - dst[0] = SDL_SwapFloatLE(sample0); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32LSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatLE(src[0]); - float sample1 = SDL_SwapFloatLE(src[1]); - float last_sample0 = sample0; - float last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatLE(sample0); - dst[1] = SDL_SwapFloatLE(sample1); - dst += 2; - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 4; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 4; - const float *target = ((const float *) cvt->buf) - 4; - float sample3 = SDL_SwapFloatLE(src[3]); - float sample2 = SDL_SwapFloatLE(src[2]); - float sample1 = SDL_SwapFloatLE(src[1]); - float sample0 = SDL_SwapFloatLE(src[0]); - float last_sample3 = sample3; - float last_sample2 = sample2; - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[3] = SDL_SwapFloatLE(sample3); - dst[2] = SDL_SwapFloatLE(sample2); - dst[1] = SDL_SwapFloatLE(sample1); - dst[0] = SDL_SwapFloatLE(sample0); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (float) ((((double) SDL_SwapFloatLE(src[3])) + ((double) last_sample3)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatLE(src[2])) + ((double) last_sample2)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32LSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatLE(src[0]); - float sample1 = SDL_SwapFloatLE(src[1]); - float sample2 = SDL_SwapFloatLE(src[2]); - float sample3 = SDL_SwapFloatLE(src[3]); - float last_sample0 = sample0; - float last_sample1 = sample1; - float last_sample2 = sample2; - float last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatLE(sample0); - dst[1] = SDL_SwapFloatLE(sample1); - dst[2] = SDL_SwapFloatLE(sample2); - dst[3] = SDL_SwapFloatLE(sample3); - dst += 4; - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatLE(src[2])) + ((double) last_sample2)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatLE(src[3])) + ((double) last_sample3)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 6; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 6; - const float *target = ((const float *) cvt->buf) - 6; - float sample5 = SDL_SwapFloatLE(src[5]); - float sample4 = SDL_SwapFloatLE(src[4]); - float sample3 = SDL_SwapFloatLE(src[3]); - float sample2 = SDL_SwapFloatLE(src[2]); - float sample1 = SDL_SwapFloatLE(src[1]); - float sample0 = SDL_SwapFloatLE(src[0]); - float last_sample5 = sample5; - float last_sample4 = sample4; - float last_sample3 = sample3; - float last_sample2 = sample2; - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[5] = SDL_SwapFloatLE(sample5); - dst[4] = SDL_SwapFloatLE(sample4); - dst[3] = SDL_SwapFloatLE(sample3); - dst[2] = SDL_SwapFloatLE(sample2); - dst[1] = SDL_SwapFloatLE(sample1); - dst[0] = SDL_SwapFloatLE(sample0); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (float) ((((double) SDL_SwapFloatLE(src[5])) + ((double) last_sample5)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatLE(src[4])) + ((double) last_sample4)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatLE(src[3])) + ((double) last_sample3)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatLE(src[2])) + ((double) last_sample2)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32LSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatLE(src[0]); - float sample1 = SDL_SwapFloatLE(src[1]); - float sample2 = SDL_SwapFloatLE(src[2]); - float sample3 = SDL_SwapFloatLE(src[3]); - float sample4 = SDL_SwapFloatLE(src[4]); - float sample5 = SDL_SwapFloatLE(src[5]); - float last_sample0 = sample0; - float last_sample1 = sample1; - float last_sample2 = sample2; - float last_sample3 = sample3; - float last_sample4 = sample4; - float last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatLE(sample0); - dst[1] = SDL_SwapFloatLE(sample1); - dst[2] = SDL_SwapFloatLE(sample2); - dst[3] = SDL_SwapFloatLE(sample3); - dst[4] = SDL_SwapFloatLE(sample4); - dst[5] = SDL_SwapFloatLE(sample5); - dst += 6; - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatLE(src[2])) + ((double) last_sample2)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatLE(src[3])) + ((double) last_sample3)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatLE(src[4])) + ((double) last_sample4)) * 0.5); - sample5 = (float) ((((double) SDL_SwapFloatLE(src[5])) + ((double) last_sample5)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 8; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 8; - const float *target = ((const float *) cvt->buf) - 8; - float sample7 = SDL_SwapFloatLE(src[7]); - float sample6 = SDL_SwapFloatLE(src[6]); - float sample5 = SDL_SwapFloatLE(src[5]); - float sample4 = SDL_SwapFloatLE(src[4]); - float sample3 = SDL_SwapFloatLE(src[3]); - float sample2 = SDL_SwapFloatLE(src[2]); - float sample1 = SDL_SwapFloatLE(src[1]); - float sample0 = SDL_SwapFloatLE(src[0]); - float last_sample7 = sample7; - float last_sample6 = sample6; - float last_sample5 = sample5; - float last_sample4 = sample4; - float last_sample3 = sample3; - float last_sample2 = sample2; - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[7] = SDL_SwapFloatLE(sample7); - dst[6] = SDL_SwapFloatLE(sample6); - dst[5] = SDL_SwapFloatLE(sample5); - dst[4] = SDL_SwapFloatLE(sample4); - dst[3] = SDL_SwapFloatLE(sample3); - dst[2] = SDL_SwapFloatLE(sample2); - dst[1] = SDL_SwapFloatLE(sample1); - dst[0] = SDL_SwapFloatLE(sample0); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (float) ((((double) SDL_SwapFloatLE(src[7])) + ((double) last_sample7)) * 0.5); - sample6 = (float) ((((double) SDL_SwapFloatLE(src[6])) + ((double) last_sample6)) * 0.5); - sample5 = (float) ((((double) SDL_SwapFloatLE(src[5])) + ((double) last_sample5)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatLE(src[4])) + ((double) last_sample4)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatLE(src[3])) + ((double) last_sample3)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatLE(src[2])) + ((double) last_sample2)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32LSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatLE(src[0]); - float sample1 = SDL_SwapFloatLE(src[1]); - float sample2 = SDL_SwapFloatLE(src[2]); - float sample3 = SDL_SwapFloatLE(src[3]); - float sample4 = SDL_SwapFloatLE(src[4]); - float sample5 = SDL_SwapFloatLE(src[5]); - float sample6 = SDL_SwapFloatLE(src[6]); - float sample7 = SDL_SwapFloatLE(src[7]); - float last_sample0 = sample0; - float last_sample1 = sample1; - float last_sample2 = sample2; - float last_sample3 = sample3; - float last_sample4 = sample4; - float last_sample5 = sample5; - float last_sample6 = sample6; - float last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatLE(sample0); - dst[1] = SDL_SwapFloatLE(sample1); - dst[2] = SDL_SwapFloatLE(sample2); - dst[3] = SDL_SwapFloatLE(sample3); - dst[4] = SDL_SwapFloatLE(sample4); - dst[5] = SDL_SwapFloatLE(sample5); - dst[6] = SDL_SwapFloatLE(sample6); - dst[7] = SDL_SwapFloatLE(sample7); - dst += 8; - sample0 = (float) ((((double) SDL_SwapFloatLE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatLE(src[1])) + ((double) last_sample1)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatLE(src[2])) + ((double) last_sample2)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatLE(src[3])) + ((double) last_sample3)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatLE(src[4])) + ((double) last_sample4)) * 0.5); - sample5 = (float) ((((double) SDL_SwapFloatLE(src[5])) + ((double) last_sample5)) * 0.5); - sample6 = (float) ((((double) SDL_SwapFloatLE(src[6])) + ((double) last_sample6)) * 0.5); - sample7 = (float) ((((double) SDL_SwapFloatLE(src[7])) + ((double) last_sample7)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 1; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 1; - const float *target = ((const float *) cvt->buf) - 1; - float sample0 = SDL_SwapFloatBE(src[0]); - float last_sample0 = sample0; - while (dst > target) { - dst[0] = SDL_SwapFloatBE(sample0); - dst--; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src--; - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_1c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32MSB, 1 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 64; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatBE(src[0]); - float last_sample0 = sample0; - while (dst < target) { - src++; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatBE(sample0); - dst++; - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample0 = sample0; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 2; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 2; - const float *target = ((const float *) cvt->buf) - 2; - float sample1 = SDL_SwapFloatBE(src[1]); - float sample0 = SDL_SwapFloatBE(src[0]); - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[1] = SDL_SwapFloatBE(sample1); - dst[0] = SDL_SwapFloatBE(sample0); - dst -= 2; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 2; - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_2c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32MSB, 2 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 128; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatBE(src[0]); - float sample1 = SDL_SwapFloatBE(src[1]); - float last_sample0 = sample0; - float last_sample1 = sample1; - while (dst < target) { - src += 2; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatBE(sample0); - dst[1] = SDL_SwapFloatBE(sample1); - dst += 2; - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 4; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 4; - const float *target = ((const float *) cvt->buf) - 4; - float sample3 = SDL_SwapFloatBE(src[3]); - float sample2 = SDL_SwapFloatBE(src[2]); - float sample1 = SDL_SwapFloatBE(src[1]); - float sample0 = SDL_SwapFloatBE(src[0]); - float last_sample3 = sample3; - float last_sample2 = sample2; - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[3] = SDL_SwapFloatBE(sample3); - dst[2] = SDL_SwapFloatBE(sample2); - dst[1] = SDL_SwapFloatBE(sample1); - dst[0] = SDL_SwapFloatBE(sample0); - dst -= 4; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 4; - sample3 = (float) ((((double) SDL_SwapFloatBE(src[3])) + ((double) last_sample3)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatBE(src[2])) + ((double) last_sample2)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_4c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32MSB, 4 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 256; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatBE(src[0]); - float sample1 = SDL_SwapFloatBE(src[1]); - float sample2 = SDL_SwapFloatBE(src[2]); - float sample3 = SDL_SwapFloatBE(src[3]); - float last_sample0 = sample0; - float last_sample1 = sample1; - float last_sample2 = sample2; - float last_sample3 = sample3; - while (dst < target) { - src += 4; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatBE(sample0); - dst[1] = SDL_SwapFloatBE(sample1); - dst[2] = SDL_SwapFloatBE(sample2); - dst[3] = SDL_SwapFloatBE(sample3); - dst += 4; - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatBE(src[2])) + ((double) last_sample2)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatBE(src[3])) + ((double) last_sample3)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 6; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 6; - const float *target = ((const float *) cvt->buf) - 6; - float sample5 = SDL_SwapFloatBE(src[5]); - float sample4 = SDL_SwapFloatBE(src[4]); - float sample3 = SDL_SwapFloatBE(src[3]); - float sample2 = SDL_SwapFloatBE(src[2]); - float sample1 = SDL_SwapFloatBE(src[1]); - float sample0 = SDL_SwapFloatBE(src[0]); - float last_sample5 = sample5; - float last_sample4 = sample4; - float last_sample3 = sample3; - float last_sample2 = sample2; - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[5] = SDL_SwapFloatBE(sample5); - dst[4] = SDL_SwapFloatBE(sample4); - dst[3] = SDL_SwapFloatBE(sample3); - dst[2] = SDL_SwapFloatBE(sample2); - dst[1] = SDL_SwapFloatBE(sample1); - dst[0] = SDL_SwapFloatBE(sample0); - dst -= 6; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 6; - sample5 = (float) ((((double) SDL_SwapFloatBE(src[5])) + ((double) last_sample5)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatBE(src[4])) + ((double) last_sample4)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatBE(src[3])) + ((double) last_sample3)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatBE(src[2])) + ((double) last_sample2)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_6c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32MSB, 6 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 384; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatBE(src[0]); - float sample1 = SDL_SwapFloatBE(src[1]); - float sample2 = SDL_SwapFloatBE(src[2]); - float sample3 = SDL_SwapFloatBE(src[3]); - float sample4 = SDL_SwapFloatBE(src[4]); - float sample5 = SDL_SwapFloatBE(src[5]); - float last_sample0 = sample0; - float last_sample1 = sample1; - float last_sample2 = sample2; - float last_sample3 = sample3; - float last_sample4 = sample4; - float last_sample5 = sample5; - while (dst < target) { - src += 6; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatBE(sample0); - dst[1] = SDL_SwapFloatBE(sample1); - dst[2] = SDL_SwapFloatBE(sample2); - dst[3] = SDL_SwapFloatBE(sample3); - dst[4] = SDL_SwapFloatBE(sample4); - dst[5] = SDL_SwapFloatBE(sample5); - dst += 6; - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatBE(src[2])) + ((double) last_sample2)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatBE(src[3])) + ((double) last_sample3)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatBE(src[4])) + ((double) last_sample4)) * 0.5); - sample5 = (float) ((((double) SDL_SwapFloatBE(src[5])) + ((double) last_sample5)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample arbitrary (x%f) AUDIO_F32MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = ((float *) (cvt->buf + dstsize)) - 8; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 8; - const float *target = ((const float *) cvt->buf) - 8; - float sample7 = SDL_SwapFloatBE(src[7]); - float sample6 = SDL_SwapFloatBE(src[6]); - float sample5 = SDL_SwapFloatBE(src[5]); - float sample4 = SDL_SwapFloatBE(src[4]); - float sample3 = SDL_SwapFloatBE(src[3]); - float sample2 = SDL_SwapFloatBE(src[2]); - float sample1 = SDL_SwapFloatBE(src[1]); - float sample0 = SDL_SwapFloatBE(src[0]); - float last_sample7 = sample7; - float last_sample6 = sample6; - float last_sample5 = sample5; - float last_sample4 = sample4; - float last_sample3 = sample3; - float last_sample2 = sample2; - float last_sample1 = sample1; - float last_sample0 = sample0; - while (dst > target) { - dst[7] = SDL_SwapFloatBE(sample7); - dst[6] = SDL_SwapFloatBE(sample6); - dst[5] = SDL_SwapFloatBE(sample5); - dst[4] = SDL_SwapFloatBE(sample4); - dst[3] = SDL_SwapFloatBE(sample3); - dst[2] = SDL_SwapFloatBE(sample2); - dst[1] = SDL_SwapFloatBE(sample1); - dst[0] = SDL_SwapFloatBE(sample0); - dst -= 8; - eps += srcsize; - if ((eps << 1) >= dstsize) { - src -= 8; - sample7 = (float) ((((double) SDL_SwapFloatBE(src[7])) + ((double) last_sample7)) * 0.5); - sample6 = (float) ((((double) SDL_SwapFloatBE(src[6])) + ((double) last_sample6)) * 0.5); - sample5 = (float) ((((double) SDL_SwapFloatBE(src[5])) + ((double) last_sample5)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatBE(src[4])) + ((double) last_sample4)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatBE(src[3])) + ((double) last_sample3)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatBE(src[2])) + ((double) last_sample2)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - eps -= dstsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_8c(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample arbitrary (x%f) AUDIO_F32MSB, 8 channels.\n", cvt->rate_incr); -#endif - - const int srcsize = cvt->len_cvt - 512; - const int dstsize = (int) (((double)cvt->len_cvt) * cvt->rate_incr); - register int eps = 0; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - float sample0 = SDL_SwapFloatBE(src[0]); - float sample1 = SDL_SwapFloatBE(src[1]); - float sample2 = SDL_SwapFloatBE(src[2]); - float sample3 = SDL_SwapFloatBE(src[3]); - float sample4 = SDL_SwapFloatBE(src[4]); - float sample5 = SDL_SwapFloatBE(src[5]); - float sample6 = SDL_SwapFloatBE(src[6]); - float sample7 = SDL_SwapFloatBE(src[7]); - float last_sample0 = sample0; - float last_sample1 = sample1; - float last_sample2 = sample2; - float last_sample3 = sample3; - float last_sample4 = sample4; - float last_sample5 = sample5; - float last_sample6 = sample6; - float last_sample7 = sample7; - while (dst < target) { - src += 8; - eps += dstsize; - if ((eps << 1) >= srcsize) { - dst[0] = SDL_SwapFloatBE(sample0); - dst[1] = SDL_SwapFloatBE(sample1); - dst[2] = SDL_SwapFloatBE(sample2); - dst[3] = SDL_SwapFloatBE(sample3); - dst[4] = SDL_SwapFloatBE(sample4); - dst[5] = SDL_SwapFloatBE(sample5); - dst[6] = SDL_SwapFloatBE(sample6); - dst[7] = SDL_SwapFloatBE(sample7); - dst += 8; - sample0 = (float) ((((double) SDL_SwapFloatBE(src[0])) + ((double) last_sample0)) * 0.5); - sample1 = (float) ((((double) SDL_SwapFloatBE(src[1])) + ((double) last_sample1)) * 0.5); - sample2 = (float) ((((double) SDL_SwapFloatBE(src[2])) + ((double) last_sample2)) * 0.5); - sample3 = (float) ((((double) SDL_SwapFloatBE(src[3])) + ((double) last_sample3)) * 0.5); - sample4 = (float) ((((double) SDL_SwapFloatBE(src[4])) + ((double) last_sample4)) * 0.5); - sample5 = (float) ((((double) SDL_SwapFloatBE(src[5])) + ((double) last_sample5)) * 0.5); - sample6 = (float) ((((double) SDL_SwapFloatBE(src[6])) + ((double) last_sample6)) * 0.5); - sample7 = (float) ((((double) SDL_SwapFloatBE(src[7])) + ((double) last_sample7)) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - eps -= srcsize; - } - } - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - - -#if !LESS_RESAMPLERS - -static void SDLCALL -SDL_Upsample_U8_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U8, 1 channels.\n"); -#endif - - //const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 1; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 1; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample0 = (Sint16) src[0]; - src--; - dst[1] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[0] = (Uint8) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - src += 2; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 1; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 1; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample0 = (Sint16) src[0]; - src--; - dst[3] = (Uint8) sample0; - dst[2] = (Uint8) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[0] = (Uint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - src += 4; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 2; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 2; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 2; - dst[3] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) sample1; - dst[0] = (Uint8) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - src += 4; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 2; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 2; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 2; - dst[7] = (Uint8) sample1; - dst[6] = (Uint8) sample0; - dst[5] = (Uint8) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Uint8) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - src += 8; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 4; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 4; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 4; - dst[7] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[6] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[5] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[4] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[3] = (Uint8) sample3; - dst[2] = (Uint8) sample2; - dst[1] = (Uint8) sample1; - dst[0] = (Uint8) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample3 = (Sint16) src[3]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample3 = (Sint16) src[3]; - src += 8; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint8) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 4; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 4; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 4; - dst[15] = (Uint8) sample3; - dst[14] = (Uint8) sample2; - dst[13] = (Uint8) sample1; - dst[12] = (Uint8) sample0; - dst[11] = (Uint8) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Uint8) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Uint8) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Uint8) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[6] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[5] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[4] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[3] = (Uint8) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint8) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample3 = (Sint16) src[3]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample3 = (Sint16) src[3]; - src += 16; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint8) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 6; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 6; - Sint16 last_sample5 = (Sint16) src[5]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample5 = (Sint16) src[5]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 6; - dst[11] = (Uint8) ((sample5 + last_sample5) >> 1); - dst[10] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[9] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[8] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[7] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[6] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[5] = (Uint8) sample5; - dst[4] = (Uint8) sample4; - dst[3] = (Uint8) sample3; - dst[2] = (Uint8) sample2; - dst[1] = (Uint8) sample1; - dst[0] = (Uint8) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample5 = (Sint16) src[5]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample5 = (Sint16) src[5]; - src += 12; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint8) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 6; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 6; - Sint16 last_sample5 = (Sint16) src[5]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample5 = (Sint16) src[5]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 6; - dst[23] = (Uint8) sample5; - dst[22] = (Uint8) sample4; - dst[21] = (Uint8) sample3; - dst[20] = (Uint8) sample2; - dst[19] = (Uint8) sample1; - dst[18] = (Uint8) sample0; - dst[17] = (Uint8) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Uint8) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Uint8) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Uint8) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Uint8) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Uint8) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Uint8) ((sample5 + last_sample5) >> 1); - dst[10] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[9] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[8] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[7] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[6] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[5] = (Uint8) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Uint8) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Uint8) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint8) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample5 = (Sint16) src[5]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample5 = (Sint16) src[5]; - src += 24; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint8) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 8; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 8; - Sint16 last_sample7 = (Sint16) src[7]; - Sint16 last_sample6 = (Sint16) src[6]; - Sint16 last_sample5 = (Sint16) src[5]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample7 = (Sint16) src[7]; - const Sint16 sample6 = (Sint16) src[6]; - const Sint16 sample5 = (Sint16) src[5]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 8; - dst[15] = (Uint8) ((sample7 + last_sample7) >> 1); - dst[14] = (Uint8) ((sample6 + last_sample6) >> 1); - dst[13] = (Uint8) ((sample5 + last_sample5) >> 1); - dst[12] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[11] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[10] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[9] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[8] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[7] = (Uint8) sample7; - dst[6] = (Uint8) sample6; - dst[5] = (Uint8) sample5; - dst[4] = (Uint8) sample4; - dst[3] = (Uint8) sample3; - dst[2] = (Uint8) sample2; - dst[1] = (Uint8) sample1; - dst[0] = (Uint8) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample5 = (Sint16) src[5]; - Sint16 last_sample6 = (Sint16) src[6]; - Sint16 last_sample7 = (Sint16) src[7]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample5 = (Sint16) src[5]; - const Sint16 sample6 = (Sint16) src[6]; - const Sint16 sample7 = (Sint16) src[7]; - src += 16; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint8) ((sample5 + last_sample5) >> 1); - dst[6] = (Uint8) ((sample6 + last_sample6) >> 1); - dst[7] = (Uint8) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U8_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint8 *dst = ((Uint8 *) (cvt->buf + dstsize)) - 8; - const Uint8 *src = ((Uint8 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint8 *target = ((const Uint8 *) cvt->buf) - 8; - Sint16 last_sample7 = (Sint16) src[7]; - Sint16 last_sample6 = (Sint16) src[6]; - Sint16 last_sample5 = (Sint16) src[5]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample0 = (Sint16) src[0]; - while (dst > target) { - const Sint16 sample7 = (Sint16) src[7]; - const Sint16 sample6 = (Sint16) src[6]; - const Sint16 sample5 = (Sint16) src[5]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample0 = (Sint16) src[0]; - src -= 8; - dst[31] = (Uint8) sample7; - dst[30] = (Uint8) sample6; - dst[29] = (Uint8) sample5; - dst[28] = (Uint8) sample4; - dst[27] = (Uint8) sample3; - dst[26] = (Uint8) sample2; - dst[25] = (Uint8) sample1; - dst[24] = (Uint8) sample0; - dst[23] = (Uint8) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Uint8) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Uint8) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Uint8) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Uint8) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Uint8) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Uint8) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Uint8) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Uint8) ((sample7 + last_sample7) >> 1); - dst[14] = (Uint8) ((sample6 + last_sample6) >> 1); - dst[13] = (Uint8) ((sample5 + last_sample5) >> 1); - dst[12] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[11] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[10] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[9] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[8] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[7] = (Uint8) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Uint8) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Uint8) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Uint8) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Uint8) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint8) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U8_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint8 *dst = (Uint8 *) cvt->buf; - const Uint8 *src = (Uint8 *) cvt->buf; - const Uint8 *target = (const Uint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) src[0]; - Sint16 last_sample1 = (Sint16) src[1]; - Sint16 last_sample2 = (Sint16) src[2]; - Sint16 last_sample3 = (Sint16) src[3]; - Sint16 last_sample4 = (Sint16) src[4]; - Sint16 last_sample5 = (Sint16) src[5]; - Sint16 last_sample6 = (Sint16) src[6]; - Sint16 last_sample7 = (Sint16) src[7]; - while (dst < target) { - const Sint16 sample0 = (Sint16) src[0]; - const Sint16 sample1 = (Sint16) src[1]; - const Sint16 sample2 = (Sint16) src[2]; - const Sint16 sample3 = (Sint16) src[3]; - const Sint16 sample4 = (Sint16) src[4]; - const Sint16 sample5 = (Sint16) src[5]; - const Sint16 sample6 = (Sint16) src[6]; - const Sint16 sample7 = (Sint16) src[7]; - src += 32; - dst[0] = (Uint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint8) ((sample5 + last_sample5) >> 1); - dst[6] = (Uint8) ((sample6 + last_sample6) >> 1); - dst[7] = (Uint8) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 1; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 1; - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src--; - dst[1] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint8) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src += 2; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 1; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 1; - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src--; - dst[3] = (Sint8) sample0; - dst[2] = (Sint8) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S8, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src += 4; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 2; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 2; - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 2; - dst[3] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) sample1; - dst[0] = (Sint8) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - src += 4; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 2; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 2; - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 2; - dst[7] = (Sint8) sample1; - dst[6] = (Sint8) sample0; - dst[5] = (Sint8) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Sint8) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S8, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - src += 8; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 4; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 4; - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 4; - dst[7] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint8) sample3; - dst[2] = (Sint8) sample2; - dst[1] = (Sint8) sample1; - dst[0] = (Sint8) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - src += 8; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint8) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 4; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 4; - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 4; - dst[15] = (Sint8) sample3; - dst[14] = (Sint8) sample2; - dst[13] = (Sint8) sample1; - dst[12] = (Sint8) sample0; - dst[11] = (Sint8) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Sint8) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Sint8) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Sint8) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint8) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint8) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S8, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - src += 16; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint8) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 6; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 6; - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 6; - dst[11] = (Sint8) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint8) sample5; - dst[4] = (Sint8) sample4; - dst[3] = (Sint8) sample3; - dst[2] = (Sint8) sample2; - dst[1] = (Sint8) sample1; - dst[0] = (Sint8) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - src += 12; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint8) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 6; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 6; - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 6; - dst[23] = (Sint8) sample5; - dst[22] = (Sint8) sample4; - dst[21] = (Sint8) sample3; - dst[20] = (Sint8) sample2; - dst[19] = (Sint8) sample1; - dst[18] = (Sint8) sample0; - dst[17] = (Sint8) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Sint8) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Sint8) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Sint8) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Sint8) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Sint8) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Sint8) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint8) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint8) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint8) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint8) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S8, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - src += 24; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint8) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 8; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 8; - Sint16 last_sample7 = (Sint16) ((Sint8) src[7]); - Sint16 last_sample6 = (Sint16) ((Sint8) src[6]); - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample7 = (Sint16) ((Sint8) src[7]); - const Sint16 sample6 = (Sint16) ((Sint8) src[6]); - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 8; - dst[15] = (Sint8) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint8) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint8) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint8) sample7; - dst[6] = (Sint8) sample6; - dst[5] = (Sint8) sample5; - dst[4] = (Sint8) sample4; - dst[3] = (Sint8) sample3; - dst[2] = (Sint8) sample2; - dst[1] = (Sint8) sample1; - dst[0] = (Sint8) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - Sint16 last_sample6 = (Sint16) ((Sint8) src[6]); - Sint16 last_sample7 = (Sint16) ((Sint8) src[7]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - const Sint16 sample6 = (Sint16) ((Sint8) src[6]); - const Sint16 sample7 = (Sint16) ((Sint8) src[7]); - src += 16; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint8) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint8) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint8) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S8_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint8 *dst = ((Sint8 *) (cvt->buf + dstsize)) - 8; - const Sint8 *src = ((Sint8 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint8 *target = ((const Sint8 *) cvt->buf) - 8; - Sint16 last_sample7 = (Sint16) ((Sint8) src[7]); - Sint16 last_sample6 = (Sint16) ((Sint8) src[6]); - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - while (dst > target) { - const Sint16 sample7 = (Sint16) ((Sint8) src[7]); - const Sint16 sample6 = (Sint16) ((Sint8) src[6]); - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - src -= 8; - dst[31] = (Sint8) sample7; - dst[30] = (Sint8) sample6; - dst[29] = (Sint8) sample5; - dst[28] = (Sint8) sample4; - dst[27] = (Sint8) sample3; - dst[26] = (Sint8) sample2; - dst[25] = (Sint8) sample1; - dst[24] = (Sint8) sample0; - dst[23] = (Sint8) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Sint8) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Sint8) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Sint8) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Sint8) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Sint8) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Sint8) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Sint8) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Sint8) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint8) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint8) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint8) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Sint8) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Sint8) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint8) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint8) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint8) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint8) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint8) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S8_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S8, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint8 *dst = (Sint8 *) cvt->buf; - const Sint8 *src = (Sint8 *) cvt->buf; - const Sint8 *target = (const Sint8 *) (cvt->buf + dstsize); - Sint16 last_sample0 = (Sint16) ((Sint8) src[0]); - Sint16 last_sample1 = (Sint16) ((Sint8) src[1]); - Sint16 last_sample2 = (Sint16) ((Sint8) src[2]); - Sint16 last_sample3 = (Sint16) ((Sint8) src[3]); - Sint16 last_sample4 = (Sint16) ((Sint8) src[4]); - Sint16 last_sample5 = (Sint16) ((Sint8) src[5]); - Sint16 last_sample6 = (Sint16) ((Sint8) src[6]); - Sint16 last_sample7 = (Sint16) ((Sint8) src[7]); - while (dst < target) { - const Sint16 sample0 = (Sint16) ((Sint8) src[0]); - const Sint16 sample1 = (Sint16) ((Sint8) src[1]); - const Sint16 sample2 = (Sint16) ((Sint8) src[2]); - const Sint16 sample3 = (Sint16) ((Sint8) src[3]); - const Sint16 sample4 = (Sint16) ((Sint8) src[4]); - const Sint16 sample5 = (Sint16) ((Sint8) src[5]); - const Sint16 sample6 = (Sint16) ((Sint8) src[6]); - const Sint16 sample7 = (Sint16) ((Sint8) src[7]); - src += 32; - dst[0] = (Sint8) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint8) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint8) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint8) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint8) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint8) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint8) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint8) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 1; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src--; - dst[1] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Uint16) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src += 2; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 1; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src--; - dst[3] = (Uint16) sample0; - dst[2] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src += 4; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 2; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 2; - dst[3] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - src += 4; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 2; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 2; - dst[7] = (Uint16) sample1; - dst[6] = (Uint16) sample0; - dst[5] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - src += 8; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 4; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 4; - dst[7] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Uint16) sample3; - dst[2] = (Uint16) sample2; - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - src += 8; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 4; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 4; - dst[15] = (Uint16) sample3; - dst[14] = (Uint16) sample2; - dst[13] = (Uint16) sample1; - dst[12] = (Uint16) sample0; - dst[11] = (Uint16) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Uint16) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Uint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - src += 16; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 6; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 6; - dst[11] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Uint16) sample5; - dst[4] = (Uint16) sample4; - dst[3] = (Uint16) sample3; - dst[2] = (Uint16) sample2; - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - src += 12; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 6; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 6; - dst[23] = (Uint16) sample5; - dst[22] = (Uint16) sample4; - dst[21] = (Uint16) sample3; - dst[20] = (Uint16) sample2; - dst[19] = (Uint16) sample1; - dst[18] = (Uint16) sample0; - dst[17] = (Uint16) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Uint16) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Uint16) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Uint16) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Uint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Uint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Uint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - src += 24; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 8; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) SDL_SwapLE16(src[7]); - Sint32 last_sample6 = (Sint32) SDL_SwapLE16(src[6]); - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample7 = (Sint32) SDL_SwapLE16(src[7]); - const Sint32 sample6 = (Sint32) SDL_SwapLE16(src[6]); - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 8; - dst[15] = (Uint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Uint16) sample7; - dst[6] = (Uint16) sample6; - dst[5] = (Uint16) sample5; - dst[4] = (Uint16) sample4; - dst[3] = (Uint16) sample3; - dst[2] = (Uint16) sample2; - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - Sint32 last_sample6 = (Sint32) SDL_SwapLE16(src[6]); - Sint32 last_sample7 = (Sint32) SDL_SwapLE16(src[7]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - const Sint32 sample6 = (Sint32) SDL_SwapLE16(src[6]); - const Sint32 sample7 = (Sint32) SDL_SwapLE16(src[7]); - src += 16; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Uint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 8; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) SDL_SwapLE16(src[7]); - Sint32 last_sample6 = (Sint32) SDL_SwapLE16(src[6]); - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - while (dst > target) { - const Sint32 sample7 = (Sint32) SDL_SwapLE16(src[7]); - const Sint32 sample6 = (Sint32) SDL_SwapLE16(src[6]); - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - src -= 8; - dst[31] = (Uint16) sample7; - dst[30] = (Uint16) sample6; - dst[29] = (Uint16) sample5; - dst[28] = (Uint16) sample4; - dst[27] = (Uint16) sample3; - dst[26] = (Uint16) sample2; - dst[25] = (Uint16) sample1; - dst[24] = (Uint16) sample0; - dst[23] = (Uint16) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Uint16) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Uint16) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Uint16) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Uint16) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Uint16) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Uint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Uint16) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Uint16) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Uint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Uint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Uint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapLE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapLE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapLE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapLE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapLE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapLE16(src[5]); - Sint32 last_sample6 = (Sint32) SDL_SwapLE16(src[6]); - Sint32 last_sample7 = (Sint32) SDL_SwapLE16(src[7]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapLE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapLE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapLE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapLE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapLE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapLE16(src[5]); - const Sint32 sample6 = (Sint32) SDL_SwapLE16(src[6]); - const Sint32 sample7 = (Sint32) SDL_SwapLE16(src[7]); - src += 32; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Uint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 1; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src--; - dst[1] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint16) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src += 2; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 1; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src--; - dst[3] = (Sint16) sample0; - dst[2] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src += 4; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 2; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 2; - dst[3] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - src += 4; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 2; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 2; - dst[7] = (Sint16) sample1; - dst[6] = (Sint16) sample0; - dst[5] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - src += 8; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 4; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 4; - dst[7] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint16) sample3; - dst[2] = (Sint16) sample2; - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - src += 8; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 4; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 4; - dst[15] = (Sint16) sample3; - dst[14] = (Sint16) sample2; - dst[13] = (Sint16) sample1; - dst[12] = (Sint16) sample0; - dst[11] = (Sint16) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Sint16) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - src += 16; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 6; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 6; - dst[11] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint16) sample5; - dst[4] = (Sint16) sample4; - dst[3] = (Sint16) sample3; - dst[2] = (Sint16) sample2; - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - src += 12; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 6; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 6; - dst[23] = (Sint16) sample5; - dst[22] = (Sint16) sample4; - dst[21] = (Sint16) sample3; - dst[20] = (Sint16) sample2; - dst[19] = (Sint16) sample1; - dst[18] = (Sint16) sample0; - dst[17] = (Sint16) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Sint16) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Sint16) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Sint16) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - src += 24; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 8; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 8; - dst[15] = (Sint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint16) sample7; - dst[6] = (Sint16) sample6; - dst[5] = (Sint16) sample5; - dst[4] = (Sint16) sample4; - dst[3] = (Sint16) sample3; - dst[2] = (Sint16) sample2; - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - src += 16; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 8; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - while (dst > target) { - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - src -= 8; - dst[31] = (Sint16) sample7; - dst[30] = (Sint16) sample6; - dst[29] = (Sint16) sample5; - dst[28] = (Sint16) sample4; - dst[27] = (Sint16) sample3; - dst[26] = (Sint16) sample2; - dst[25] = (Sint16) sample1; - dst[24] = (Sint16) sample0; - dst[23] = (Sint16) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Sint16) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Sint16) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Sint16) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Sint16) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Sint16) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Sint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint16) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Sint16) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Sint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapLE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapLE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapLE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapLE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapLE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapLE16(src[5])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapLE16(src[6])); - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapLE16(src[7])); - src += 32; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 1; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src--; - dst[1] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Uint16) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src += 2; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 1; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src--; - dst[3] = (Uint16) sample0; - dst[2] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src += 4; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 2; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 2; - dst[3] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - src += 4; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 2; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 2; - dst[7] = (Uint16) sample1; - dst[6] = (Uint16) sample0; - dst[5] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - src += 8; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 4; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 4; - dst[7] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Uint16) sample3; - dst[2] = (Uint16) sample2; - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - src += 8; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 4; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 4; - dst[15] = (Uint16) sample3; - dst[14] = (Uint16) sample2; - dst[13] = (Uint16) sample1; - dst[12] = (Uint16) sample0; - dst[11] = (Uint16) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Uint16) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Uint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - src += 16; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 6; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 6; - dst[11] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Uint16) sample5; - dst[4] = (Uint16) sample4; - dst[3] = (Uint16) sample3; - dst[2] = (Uint16) sample2; - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - src += 12; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 6; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 6; - dst[23] = (Uint16) sample5; - dst[22] = (Uint16) sample4; - dst[21] = (Uint16) sample3; - dst[20] = (Uint16) sample2; - dst[19] = (Uint16) sample1; - dst[18] = (Uint16) sample0; - dst[17] = (Uint16) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Uint16) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Uint16) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Uint16) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Uint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Uint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Uint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - src += 24; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_U16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 8; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) SDL_SwapBE16(src[7]); - Sint32 last_sample6 = (Sint32) SDL_SwapBE16(src[6]); - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample7 = (Sint32) SDL_SwapBE16(src[7]); - const Sint32 sample6 = (Sint32) SDL_SwapBE16(src[6]); - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 8; - dst[15] = (Uint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Uint16) sample7; - dst[6] = (Uint16) sample6; - dst[5] = (Uint16) sample5; - dst[4] = (Uint16) sample4; - dst[3] = (Uint16) sample3; - dst[2] = (Uint16) sample2; - dst[1] = (Uint16) sample1; - dst[0] = (Uint16) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_U16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - Sint32 last_sample6 = (Sint32) SDL_SwapBE16(src[6]); - Sint32 last_sample7 = (Sint32) SDL_SwapBE16(src[7]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - const Sint32 sample6 = (Sint32) SDL_SwapBE16(src[6]); - const Sint32 sample7 = (Sint32) SDL_SwapBE16(src[7]); - src += 16; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Uint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_U16MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_U16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Uint16 *dst = ((Uint16 *) (cvt->buf + dstsize)) - 8; - const Uint16 *src = ((Uint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Uint16 *target = ((const Uint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) SDL_SwapBE16(src[7]); - Sint32 last_sample6 = (Sint32) SDL_SwapBE16(src[6]); - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - while (dst > target) { - const Sint32 sample7 = (Sint32) SDL_SwapBE16(src[7]); - const Sint32 sample6 = (Sint32) SDL_SwapBE16(src[6]); - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - src -= 8; - dst[31] = (Uint16) sample7; - dst[30] = (Uint16) sample6; - dst[29] = (Uint16) sample5; - dst[28] = (Uint16) sample4; - dst[27] = (Uint16) sample3; - dst[26] = (Uint16) sample2; - dst[25] = (Uint16) sample1; - dst[24] = (Uint16) sample0; - dst[23] = (Uint16) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Uint16) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Uint16) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Uint16) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Uint16) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Uint16) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Uint16) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Uint16) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Uint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Uint16) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Uint16) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Uint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Uint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Uint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Uint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Uint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Uint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_U16MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_U16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Uint16 *dst = (Uint16 *) cvt->buf; - const Uint16 *src = (Uint16 *) cvt->buf; - const Uint16 *target = (const Uint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) SDL_SwapBE16(src[0]); - Sint32 last_sample1 = (Sint32) SDL_SwapBE16(src[1]); - Sint32 last_sample2 = (Sint32) SDL_SwapBE16(src[2]); - Sint32 last_sample3 = (Sint32) SDL_SwapBE16(src[3]); - Sint32 last_sample4 = (Sint32) SDL_SwapBE16(src[4]); - Sint32 last_sample5 = (Sint32) SDL_SwapBE16(src[5]); - Sint32 last_sample6 = (Sint32) SDL_SwapBE16(src[6]); - Sint32 last_sample7 = (Sint32) SDL_SwapBE16(src[7]); - while (dst < target) { - const Sint32 sample0 = (Sint32) SDL_SwapBE16(src[0]); - const Sint32 sample1 = (Sint32) SDL_SwapBE16(src[1]); - const Sint32 sample2 = (Sint32) SDL_SwapBE16(src[2]); - const Sint32 sample3 = (Sint32) SDL_SwapBE16(src[3]); - const Sint32 sample4 = (Sint32) SDL_SwapBE16(src[4]); - const Sint32 sample5 = (Sint32) SDL_SwapBE16(src[5]); - const Sint32 sample6 = (Sint32) SDL_SwapBE16(src[6]); - const Sint32 sample7 = (Sint32) SDL_SwapBE16(src[7]); - src += 32; - dst[0] = (Uint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Uint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Uint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Uint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Uint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Uint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Uint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Uint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 1; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src--; - dst[1] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint16) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src += 2; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 1; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 1; - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src--; - dst[3] = (Sint16) sample0; - dst[2] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src += 4; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 2; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 2; - dst[3] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - src += 4; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 2; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 2; - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 2; - dst[7] = (Sint16) sample1; - dst[6] = (Sint16) sample0; - dst[5] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - src += 8; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 4; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 4; - dst[7] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint16) sample3; - dst[2] = (Sint16) sample2; - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - src += 8; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 4; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 4; - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 4; - dst[15] = (Sint16) sample3; - dst[14] = (Sint16) sample2; - dst[13] = (Sint16) sample1; - dst[12] = (Sint16) sample0; - dst[11] = (Sint16) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Sint16) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - src += 16; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 6; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 6; - dst[11] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint16) sample5; - dst[4] = (Sint16) sample4; - dst[3] = (Sint16) sample3; - dst[2] = (Sint16) sample2; - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - src += 12; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 6; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 6; - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 6; - dst[23] = (Sint16) sample5; - dst[22] = (Sint16) sample4; - dst[21] = (Sint16) sample3; - dst[20] = (Sint16) sample2; - dst[19] = (Sint16) sample1; - dst[18] = (Sint16) sample0; - dst[17] = (Sint16) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Sint16) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Sint16) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Sint16) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - src += 24; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 8; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 8; - dst[15] = (Sint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint16) sample7; - dst[6] = (Sint16) sample6; - dst[5] = (Sint16) sample5; - dst[4] = (Sint16) sample4; - dst[3] = (Sint16) sample3; - dst[2] = (Sint16) sample2; - dst[1] = (Sint16) sample1; - dst[0] = (Sint16) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - src += 16; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S16MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint16 *dst = ((Sint16 *) (cvt->buf + dstsize)) - 8; - const Sint16 *src = ((Sint16 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint16 *target = ((const Sint16 *) cvt->buf) - 8; - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - while (dst > target) { - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - src -= 8; - dst[31] = (Sint16) sample7; - dst[30] = (Sint16) sample6; - dst[29] = (Sint16) sample5; - dst[28] = (Sint16) sample4; - dst[27] = (Sint16) sample3; - dst[26] = (Sint16) sample2; - dst[25] = (Sint16) sample1; - dst[24] = (Sint16) sample0; - dst[23] = (Sint16) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Sint16) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Sint16) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Sint16) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Sint16) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Sint16) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Sint16) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Sint16) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Sint16) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint16) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Sint16) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Sint16) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint16) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint16) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint16) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint16) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint16) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S16MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S16MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint16 *dst = (Sint16 *) cvt->buf; - const Sint16 *src = (Sint16 *) cvt->buf; - const Sint16 *target = (const Sint16 *) (cvt->buf + dstsize); - Sint32 last_sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - Sint32 last_sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - Sint32 last_sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - Sint32 last_sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - Sint32 last_sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - Sint32 last_sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - Sint32 last_sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - Sint32 last_sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - while (dst < target) { - const Sint32 sample0 = (Sint32) ((Sint16) SDL_SwapBE16(src[0])); - const Sint32 sample1 = (Sint32) ((Sint16) SDL_SwapBE16(src[1])); - const Sint32 sample2 = (Sint32) ((Sint16) SDL_SwapBE16(src[2])); - const Sint32 sample3 = (Sint32) ((Sint16) SDL_SwapBE16(src[3])); - const Sint32 sample4 = (Sint32) ((Sint16) SDL_SwapBE16(src[4])); - const Sint32 sample5 = (Sint32) ((Sint16) SDL_SwapBE16(src[5])); - const Sint32 sample6 = (Sint32) ((Sint16) SDL_SwapBE16(src[6])); - const Sint32 sample7 = (Sint32) ((Sint16) SDL_SwapBE16(src[7])); - src += 32; - dst[0] = (Sint16) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint16) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint16) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint16) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint16) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint16) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint16) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint16) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 1; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src--; - dst[1] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint32) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src += 2; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 1; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src--; - dst[3] = (Sint32) sample0; - dst[2] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src += 4; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 2; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 2; - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 2; - dst[3] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - src += 4; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 2; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 2; - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 2; - dst[7] = (Sint32) sample1; - dst[6] = (Sint32) sample0; - dst[5] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - src += 8; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 4; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 4; - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 4; - dst[7] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint32) sample3; - dst[2] = (Sint32) sample2; - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - src += 8; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 4; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 4; - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 4; - dst[15] = (Sint32) sample3; - dst[14] = (Sint32) sample2; - dst[13] = (Sint32) sample1; - dst[12] = (Sint32) sample0; - dst[11] = (Sint32) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Sint32) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint32) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint32) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - src += 16; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 6; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 6; - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 6; - dst[11] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint32) sample5; - dst[4] = (Sint32) sample4; - dst[3] = (Sint32) sample3; - dst[2] = (Sint32) sample2; - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - src += 12; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 6; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 6; - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 6; - dst[23] = (Sint32) sample5; - dst[22] = (Sint32) sample4; - dst[21] = (Sint32) sample3; - dst[20] = (Sint32) sample2; - dst[19] = (Sint32) sample1; - dst[18] = (Sint32) sample0; - dst[17] = (Sint32) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Sint32) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Sint32) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Sint32) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint32) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint32) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint32) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint32) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - src += 24; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 8; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 8; - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 8; - dst[15] = (Sint32) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint32) sample7; - dst[6] = (Sint32) sample6; - dst[5] = (Sint32) sample5; - dst[4] = (Sint32) sample4; - dst[3] = (Sint32) sample3; - dst[2] = (Sint32) sample2; - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - src += 16; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint32) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 8; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 8; - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - while (dst > target) { - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - src -= 8; - dst[31] = (Sint32) sample7; - dst[30] = (Sint32) sample6; - dst[29] = (Sint32) sample5; - dst[28] = (Sint32) sample4; - dst[27] = (Sint32) sample3; - dst[26] = (Sint32) sample2; - dst[25] = (Sint32) sample1; - dst[24] = (Sint32) sample0; - dst[23] = (Sint32) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Sint32) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Sint32) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Sint32) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Sint32) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Sint32) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Sint32) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint32) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Sint32) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Sint32) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint32) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint32) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint32) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapLE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapLE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapLE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapLE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapLE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapLE32(src[5])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapLE32(src[6])); - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapLE32(src[7])); - src += 32; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint32) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 1; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src--; - dst[1] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint32) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src += 2; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 1; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 1; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 1; - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src--; - dst[3] = (Sint32) sample0; - dst[2] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[1] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src += 4; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 2; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 2; - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 2; - dst[3] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - src += 4; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 2; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 2; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 2; - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 2; - dst[7] = (Sint32) sample1; - dst[6] = (Sint32) sample0; - dst[5] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[4] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[3] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - src += 8; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 4; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 4; - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 4; - dst[7] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint32) sample3; - dst[2] = (Sint32) sample2; - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - src += 8; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 4; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 4; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 4; - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 4; - dst[15] = (Sint32) sample3; - dst[14] = (Sint32) sample2; - dst[13] = (Sint32) sample1; - dst[12] = (Sint32) sample0; - dst[11] = (Sint32) (((3 * sample3) + last_sample3) >> 2); - dst[10] = (Sint32) (((3 * sample2) + last_sample2) >> 2); - dst[9] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[8] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[7] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[6] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[5] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[4] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[3] = (Sint32) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint32) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - src += 16; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 6; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 6; - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 6; - dst[11] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint32) sample5; - dst[4] = (Sint32) sample4; - dst[3] = (Sint32) sample3; - dst[2] = (Sint32) sample2; - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - src += 12; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 6; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 6; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 6; - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 6; - dst[23] = (Sint32) sample5; - dst[22] = (Sint32) sample4; - dst[21] = (Sint32) sample3; - dst[20] = (Sint32) sample2; - dst[19] = (Sint32) sample1; - dst[18] = (Sint32) sample0; - dst[17] = (Sint32) (((3 * sample5) + last_sample5) >> 2); - dst[16] = (Sint32) (((3 * sample4) + last_sample4) >> 2); - dst[15] = (Sint32) (((3 * sample3) + last_sample3) >> 2); - dst[14] = (Sint32) (((3 * sample2) + last_sample2) >> 2); - dst[13] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[12] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[11] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[10] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[9] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[8] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[7] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[6] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[5] = (Sint32) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint32) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint32) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint32) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - src += 24; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_S32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 8; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 8; - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 8; - dst[15] = (Sint32) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint32) sample7; - dst[6] = (Sint32) sample6; - dst[5] = (Sint32) sample5; - dst[4] = (Sint32) sample4; - dst[3] = (Sint32) sample3; - dst[2] = (Sint32) sample2; - dst[1] = (Sint32) sample1; - dst[0] = (Sint32) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_S32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - src += 16; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint32) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_S32MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_S32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - Sint32 *dst = ((Sint32 *) (cvt->buf + dstsize)) - 8; - const Sint32 *src = ((Sint32 *) (cvt->buf + cvt->len_cvt)) - 8; - const Sint32 *target = ((const Sint32 *) cvt->buf) - 8; - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - while (dst > target) { - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - src -= 8; - dst[31] = (Sint32) sample7; - dst[30] = (Sint32) sample6; - dst[29] = (Sint32) sample5; - dst[28] = (Sint32) sample4; - dst[27] = (Sint32) sample3; - dst[26] = (Sint32) sample2; - dst[25] = (Sint32) sample1; - dst[24] = (Sint32) sample0; - dst[23] = (Sint32) (((3 * sample7) + last_sample7) >> 2); - dst[22] = (Sint32) (((3 * sample6) + last_sample6) >> 2); - dst[21] = (Sint32) (((3 * sample5) + last_sample5) >> 2); - dst[20] = (Sint32) (((3 * sample4) + last_sample4) >> 2); - dst[19] = (Sint32) (((3 * sample3) + last_sample3) >> 2); - dst[18] = (Sint32) (((3 * sample2) + last_sample2) >> 2); - dst[17] = (Sint32) (((3 * sample1) + last_sample1) >> 2); - dst[16] = (Sint32) (((3 * sample0) + last_sample0) >> 2); - dst[15] = (Sint32) ((sample7 + last_sample7) >> 1); - dst[14] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[13] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[12] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[11] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[10] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[9] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[8] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[7] = (Sint32) ((sample7 + (3 * last_sample7)) >> 2); - dst[6] = (Sint32) ((sample6 + (3 * last_sample6)) >> 2); - dst[5] = (Sint32) ((sample5 + (3 * last_sample5)) >> 2); - dst[4] = (Sint32) ((sample4 + (3 * last_sample4)) >> 2); - dst[3] = (Sint32) ((sample3 + (3 * last_sample3)) >> 2); - dst[2] = (Sint32) ((sample2 + (3 * last_sample2)) >> 2); - dst[1] = (Sint32) ((sample1 + (3 * last_sample1)) >> 2); - dst[0] = (Sint32) ((sample0 + (3 * last_sample0)) >> 2); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_S32MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_S32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - Sint32 *dst = (Sint32 *) cvt->buf; - const Sint32 *src = (Sint32 *) cvt->buf; - const Sint32 *target = (const Sint32 *) (cvt->buf + dstsize); - Sint64 last_sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - Sint64 last_sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - Sint64 last_sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - Sint64 last_sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - Sint64 last_sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - Sint64 last_sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - Sint64 last_sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - Sint64 last_sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - while (dst < target) { - const Sint64 sample0 = (Sint64) ((Sint32) SDL_SwapBE32(src[0])); - const Sint64 sample1 = (Sint64) ((Sint32) SDL_SwapBE32(src[1])); - const Sint64 sample2 = (Sint64) ((Sint32) SDL_SwapBE32(src[2])); - const Sint64 sample3 = (Sint64) ((Sint32) SDL_SwapBE32(src[3])); - const Sint64 sample4 = (Sint64) ((Sint32) SDL_SwapBE32(src[4])); - const Sint64 sample5 = (Sint64) ((Sint32) SDL_SwapBE32(src[5])); - const Sint64 sample6 = (Sint64) ((Sint32) SDL_SwapBE32(src[6])); - const Sint64 sample7 = (Sint64) ((Sint32) SDL_SwapBE32(src[7])); - src += 32; - dst[0] = (Sint32) ((sample0 + last_sample0) >> 1); - dst[1] = (Sint32) ((sample1 + last_sample1) >> 1); - dst[2] = (Sint32) ((sample2 + last_sample2) >> 1); - dst[3] = (Sint32) ((sample3 + last_sample3) >> 1); - dst[4] = (Sint32) ((sample4 + last_sample4) >> 1); - dst[5] = (Sint32) ((sample5 + last_sample5) >> 1); - dst[6] = (Sint32) ((sample6 + last_sample6) >> 1); - dst[7] = (Sint32) ((sample7 + last_sample7) >> 1); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 1; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 1; - const float *target = ((const float *) cvt->buf) - 1; - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src--; - dst[1] = (float) ((sample0 + last_sample0) * 0.5); - dst[0] = (float) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src += 2; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 1; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 1; - const float *target = ((const float *) cvt->buf) - 1; - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src--; - dst[3] = (float) sample0; - dst[2] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[1] = (float) ((sample0 + last_sample0) * 0.5); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32LSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src += 4; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 2; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 2; - const float *target = ((const float *) cvt->buf) - 2; - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 2; - dst[3] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - src += 4; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 2; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 2; - const float *target = ((const float *) cvt->buf) - 2; - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 2; - dst[7] = (float) sample1; - dst[6] = (float) sample0; - dst[5] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[4] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[3] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32LSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - src += 8; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 4; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 4; - const float *target = ((const float *) cvt->buf) - 4; - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 4; - dst[7] = (float) ((sample3 + last_sample3) * 0.5); - dst[6] = (float) ((sample2 + last_sample2) * 0.5); - dst[5] = (float) ((sample1 + last_sample1) * 0.5); - dst[4] = (float) ((sample0 + last_sample0) * 0.5); - dst[3] = (float) sample3; - dst[2] = (float) sample2; - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - src += 8; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 4; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 4; - const float *target = ((const float *) cvt->buf) - 4; - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 4; - dst[15] = (float) sample3; - dst[14] = (float) sample2; - dst[13] = (float) sample1; - dst[12] = (float) sample0; - dst[11] = (float) (((3.0 * sample3) + last_sample3) * 0.25); - dst[10] = (float) (((3.0 * sample2) + last_sample2) * 0.25); - dst[9] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[8] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[7] = (float) ((sample3 + last_sample3) * 0.5); - dst[6] = (float) ((sample2 + last_sample2) * 0.5); - dst[5] = (float) ((sample1 + last_sample1) * 0.5); - dst[4] = (float) ((sample0 + last_sample0) * 0.5); - dst[3] = (float) ((sample3 + (3.0 * last_sample3)) * 0.25); - dst[2] = (float) ((sample2 + (3.0 * last_sample2)) * 0.25); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32LSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - src += 16; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 6; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 6; - const float *target = ((const float *) cvt->buf) - 6; - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 6; - dst[11] = (float) ((sample5 + last_sample5) * 0.5); - dst[10] = (float) ((sample4 + last_sample4) * 0.5); - dst[9] = (float) ((sample3 + last_sample3) * 0.5); - dst[8] = (float) ((sample2 + last_sample2) * 0.5); - dst[7] = (float) ((sample1 + last_sample1) * 0.5); - dst[6] = (float) ((sample0 + last_sample0) * 0.5); - dst[5] = (float) sample5; - dst[4] = (float) sample4; - dst[3] = (float) sample3; - dst[2] = (float) sample2; - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - src += 12; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 6; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 6; - const float *target = ((const float *) cvt->buf) - 6; - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 6; - dst[23] = (float) sample5; - dst[22] = (float) sample4; - dst[21] = (float) sample3; - dst[20] = (float) sample2; - dst[19] = (float) sample1; - dst[18] = (float) sample0; - dst[17] = (float) (((3.0 * sample5) + last_sample5) * 0.25); - dst[16] = (float) (((3.0 * sample4) + last_sample4) * 0.25); - dst[15] = (float) (((3.0 * sample3) + last_sample3) * 0.25); - dst[14] = (float) (((3.0 * sample2) + last_sample2) * 0.25); - dst[13] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[12] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[11] = (float) ((sample5 + last_sample5) * 0.5); - dst[10] = (float) ((sample4 + last_sample4) * 0.5); - dst[9] = (float) ((sample3 + last_sample3) * 0.5); - dst[8] = (float) ((sample2 + last_sample2) * 0.5); - dst[7] = (float) ((sample1 + last_sample1) * 0.5); - dst[6] = (float) ((sample0 + last_sample0) * 0.5); - dst[5] = (float) ((sample5 + (3.0 * last_sample5)) * 0.25); - dst[4] = (float) ((sample4 + (3.0 * last_sample4)) * 0.25); - dst[3] = (float) ((sample3 + (3.0 * last_sample3)) * 0.25); - dst[2] = (float) ((sample2 + (3.0 * last_sample2)) * 0.25); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32LSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - src += 24; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 8; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 8; - const float *target = ((const float *) cvt->buf) - 8; - double last_sample7 = (double) SDL_SwapFloatLE(src[7]); - double last_sample6 = (double) SDL_SwapFloatLE(src[6]); - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample7 = (double) SDL_SwapFloatLE(src[7]); - const double sample6 = (double) SDL_SwapFloatLE(src[6]); - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 8; - dst[15] = (float) ((sample7 + last_sample7) * 0.5); - dst[14] = (float) ((sample6 + last_sample6) * 0.5); - dst[13] = (float) ((sample5 + last_sample5) * 0.5); - dst[12] = (float) ((sample4 + last_sample4) * 0.5); - dst[11] = (float) ((sample3 + last_sample3) * 0.5); - dst[10] = (float) ((sample2 + last_sample2) * 0.5); - dst[9] = (float) ((sample1 + last_sample1) * 0.5); - dst[8] = (float) ((sample0 + last_sample0) * 0.5); - dst[7] = (float) sample7; - dst[6] = (float) sample6; - dst[5] = (float) sample5; - dst[4] = (float) sample4; - dst[3] = (float) sample3; - dst[2] = (float) sample2; - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - double last_sample6 = (double) SDL_SwapFloatLE(src[6]); - double last_sample7 = (double) SDL_SwapFloatLE(src[7]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - const double sample6 = (double) SDL_SwapFloatLE(src[6]); - const double sample7 = (double) SDL_SwapFloatLE(src[7]); - src += 16; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - dst[6] = (float) ((sample6 + last_sample6) * 0.5); - dst[7] = (float) ((sample7 + last_sample7) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 8; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 8; - const float *target = ((const float *) cvt->buf) - 8; - double last_sample7 = (double) SDL_SwapFloatLE(src[7]); - double last_sample6 = (double) SDL_SwapFloatLE(src[6]); - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - while (dst > target) { - const double sample7 = (double) SDL_SwapFloatLE(src[7]); - const double sample6 = (double) SDL_SwapFloatLE(src[6]); - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - src -= 8; - dst[31] = (float) sample7; - dst[30] = (float) sample6; - dst[29] = (float) sample5; - dst[28] = (float) sample4; - dst[27] = (float) sample3; - dst[26] = (float) sample2; - dst[25] = (float) sample1; - dst[24] = (float) sample0; - dst[23] = (float) (((3.0 * sample7) + last_sample7) * 0.25); - dst[22] = (float) (((3.0 * sample6) + last_sample6) * 0.25); - dst[21] = (float) (((3.0 * sample5) + last_sample5) * 0.25); - dst[20] = (float) (((3.0 * sample4) + last_sample4) * 0.25); - dst[19] = (float) (((3.0 * sample3) + last_sample3) * 0.25); - dst[18] = (float) (((3.0 * sample2) + last_sample2) * 0.25); - dst[17] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[16] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[15] = (float) ((sample7 + last_sample7) * 0.5); - dst[14] = (float) ((sample6 + last_sample6) * 0.5); - dst[13] = (float) ((sample5 + last_sample5) * 0.5); - dst[12] = (float) ((sample4 + last_sample4) * 0.5); - dst[11] = (float) ((sample3 + last_sample3) * 0.5); - dst[10] = (float) ((sample2 + last_sample2) * 0.5); - dst[9] = (float) ((sample1 + last_sample1) * 0.5); - dst[8] = (float) ((sample0 + last_sample0) * 0.5); - dst[7] = (float) ((sample7 + (3.0 * last_sample7)) * 0.25); - dst[6] = (float) ((sample6 + (3.0 * last_sample6)) * 0.25); - dst[5] = (float) ((sample5 + (3.0 * last_sample5)) * 0.25); - dst[4] = (float) ((sample4 + (3.0 * last_sample4)) * 0.25); - dst[3] = (float) ((sample3 + (3.0 * last_sample3)) * 0.25); - dst[2] = (float) ((sample2 + (3.0 * last_sample2)) * 0.25); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32LSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32LSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatLE(src[0]); - double last_sample1 = (double) SDL_SwapFloatLE(src[1]); - double last_sample2 = (double) SDL_SwapFloatLE(src[2]); - double last_sample3 = (double) SDL_SwapFloatLE(src[3]); - double last_sample4 = (double) SDL_SwapFloatLE(src[4]); - double last_sample5 = (double) SDL_SwapFloatLE(src[5]); - double last_sample6 = (double) SDL_SwapFloatLE(src[6]); - double last_sample7 = (double) SDL_SwapFloatLE(src[7]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatLE(src[0]); - const double sample1 = (double) SDL_SwapFloatLE(src[1]); - const double sample2 = (double) SDL_SwapFloatLE(src[2]); - const double sample3 = (double) SDL_SwapFloatLE(src[3]); - const double sample4 = (double) SDL_SwapFloatLE(src[4]); - const double sample5 = (double) SDL_SwapFloatLE(src[5]); - const double sample6 = (double) SDL_SwapFloatLE(src[6]); - const double sample7 = (double) SDL_SwapFloatLE(src[7]); - src += 32; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - dst[6] = (float) ((sample6 + last_sample6) * 0.5); - dst[7] = (float) ((sample7 + last_sample7) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 1; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 1; - const float *target = ((const float *) cvt->buf) - 1; - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src--; - dst[1] = (float) ((sample0 + last_sample0) * 0.5); - dst[0] = (float) sample0; - last_sample0 = sample0; - dst -= 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_1c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src += 2; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 1; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 1; - const float *target = ((const float *) cvt->buf) - 1; - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src--; - dst[3] = (float) sample0; - dst[2] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[1] = (float) ((sample0 + last_sample0) * 0.5); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_1c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32MSB, 1 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src += 4; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - last_sample0 = sample0; - dst++; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 2; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 2; - const float *target = ((const float *) cvt->buf) - 2; - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 2; - dst[3] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_2c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - src += 4; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 2; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 2; - const float *target = ((const float *) cvt->buf) - 2; - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 2; - dst[7] = (float) sample1; - dst[6] = (float) sample0; - dst[5] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[4] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[3] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_2c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32MSB, 2 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - src += 8; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - dst += 2; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 4; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 4; - const float *target = ((const float *) cvt->buf) - 4; - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 4; - dst[7] = (float) ((sample3 + last_sample3) * 0.5); - dst[6] = (float) ((sample2 + last_sample2) * 0.5); - dst[5] = (float) ((sample1 + last_sample1) * 0.5); - dst[4] = (float) ((sample0 + last_sample0) * 0.5); - dst[3] = (float) sample3; - dst[2] = (float) sample2; - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_4c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - src += 8; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 4; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 4; - const float *target = ((const float *) cvt->buf) - 4; - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 4; - dst[15] = (float) sample3; - dst[14] = (float) sample2; - dst[13] = (float) sample1; - dst[12] = (float) sample0; - dst[11] = (float) (((3.0 * sample3) + last_sample3) * 0.25); - dst[10] = (float) (((3.0 * sample2) + last_sample2) * 0.25); - dst[9] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[8] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[7] = (float) ((sample3 + last_sample3) * 0.5); - dst[6] = (float) ((sample2 + last_sample2) * 0.5); - dst[5] = (float) ((sample1 + last_sample1) * 0.5); - dst[4] = (float) ((sample0 + last_sample0) * 0.5); - dst[3] = (float) ((sample3 + (3.0 * last_sample3)) * 0.25); - dst[2] = (float) ((sample2 + (3.0 * last_sample2)) * 0.25); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_4c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32MSB, 4 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - src += 16; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - dst += 4; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 6; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 6; - const float *target = ((const float *) cvt->buf) - 6; - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 6; - dst[11] = (float) ((sample5 + last_sample5) * 0.5); - dst[10] = (float) ((sample4 + last_sample4) * 0.5); - dst[9] = (float) ((sample3 + last_sample3) * 0.5); - dst[8] = (float) ((sample2 + last_sample2) * 0.5); - dst[7] = (float) ((sample1 + last_sample1) * 0.5); - dst[6] = (float) ((sample0 + last_sample0) * 0.5); - dst[5] = (float) sample5; - dst[4] = (float) sample4; - dst[3] = (float) sample3; - dst[2] = (float) sample2; - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 12; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_6c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - src += 12; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 6; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 6; - const float *target = ((const float *) cvt->buf) - 6; - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 6; - dst[23] = (float) sample5; - dst[22] = (float) sample4; - dst[21] = (float) sample3; - dst[20] = (float) sample2; - dst[19] = (float) sample1; - dst[18] = (float) sample0; - dst[17] = (float) (((3.0 * sample5) + last_sample5) * 0.25); - dst[16] = (float) (((3.0 * sample4) + last_sample4) * 0.25); - dst[15] = (float) (((3.0 * sample3) + last_sample3) * 0.25); - dst[14] = (float) (((3.0 * sample2) + last_sample2) * 0.25); - dst[13] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[12] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[11] = (float) ((sample5 + last_sample5) * 0.5); - dst[10] = (float) ((sample4 + last_sample4) * 0.5); - dst[9] = (float) ((sample3 + last_sample3) * 0.5); - dst[8] = (float) ((sample2 + last_sample2) * 0.5); - dst[7] = (float) ((sample1 + last_sample1) * 0.5); - dst[6] = (float) ((sample0 + last_sample0) * 0.5); - dst[5] = (float) ((sample5 + (3.0 * last_sample5)) * 0.25); - dst[4] = (float) ((sample4 + (3.0 * last_sample4)) * 0.25); - dst[3] = (float) ((sample3 + (3.0 * last_sample3)) * 0.25); - dst[2] = (float) ((sample2 + (3.0 * last_sample2)) * 0.25); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 24; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_6c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32MSB, 6 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - src += 24; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - dst += 6; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x2) AUDIO_F32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 2; - float *dst = ((float *) (cvt->buf + dstsize)) - 8; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 8; - const float *target = ((const float *) cvt->buf) - 8; - double last_sample7 = (double) SDL_SwapFloatBE(src[7]); - double last_sample6 = (double) SDL_SwapFloatBE(src[6]); - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample7 = (double) SDL_SwapFloatBE(src[7]); - const double sample6 = (double) SDL_SwapFloatBE(src[6]); - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 8; - dst[15] = (float) ((sample7 + last_sample7) * 0.5); - dst[14] = (float) ((sample6 + last_sample6) * 0.5); - dst[13] = (float) ((sample5 + last_sample5) * 0.5); - dst[12] = (float) ((sample4 + last_sample4) * 0.5); - dst[11] = (float) ((sample3 + last_sample3) * 0.5); - dst[10] = (float) ((sample2 + last_sample2) * 0.5); - dst[9] = (float) ((sample1 + last_sample1) * 0.5); - dst[8] = (float) ((sample0 + last_sample0) * 0.5); - dst[7] = (float) sample7; - dst[6] = (float) sample6; - dst[5] = (float) sample5; - dst[4] = (float) sample4; - dst[3] = (float) sample3; - dst[2] = (float) sample2; - dst[1] = (float) sample1; - dst[0] = (float) sample0; - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 16; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_8c_x2(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x2) AUDIO_F32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 2; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - double last_sample6 = (double) SDL_SwapFloatBE(src[6]); - double last_sample7 = (double) SDL_SwapFloatBE(src[7]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - const double sample6 = (double) SDL_SwapFloatBE(src[6]); - const double sample7 = (double) SDL_SwapFloatBE(src[7]); - src += 16; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - dst[6] = (float) ((sample6 + last_sample6) * 0.5); - dst[7] = (float) ((sample7 + last_sample7) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Upsample_F32MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Upsample (x4) AUDIO_F32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt * 4; - float *dst = ((float *) (cvt->buf + dstsize)) - 8; - const float *src = ((float *) (cvt->buf + cvt->len_cvt)) - 8; - const float *target = ((const float *) cvt->buf) - 8; - double last_sample7 = (double) SDL_SwapFloatBE(src[7]); - double last_sample6 = (double) SDL_SwapFloatBE(src[6]); - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - while (dst > target) { - const double sample7 = (double) SDL_SwapFloatBE(src[7]); - const double sample6 = (double) SDL_SwapFloatBE(src[6]); - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - src -= 8; - dst[31] = (float) sample7; - dst[30] = (float) sample6; - dst[29] = (float) sample5; - dst[28] = (float) sample4; - dst[27] = (float) sample3; - dst[26] = (float) sample2; - dst[25] = (float) sample1; - dst[24] = (float) sample0; - dst[23] = (float) (((3.0 * sample7) + last_sample7) * 0.25); - dst[22] = (float) (((3.0 * sample6) + last_sample6) * 0.25); - dst[21] = (float) (((3.0 * sample5) + last_sample5) * 0.25); - dst[20] = (float) (((3.0 * sample4) + last_sample4) * 0.25); - dst[19] = (float) (((3.0 * sample3) + last_sample3) * 0.25); - dst[18] = (float) (((3.0 * sample2) + last_sample2) * 0.25); - dst[17] = (float) (((3.0 * sample1) + last_sample1) * 0.25); - dst[16] = (float) (((3.0 * sample0) + last_sample0) * 0.25); - dst[15] = (float) ((sample7 + last_sample7) * 0.5); - dst[14] = (float) ((sample6 + last_sample6) * 0.5); - dst[13] = (float) ((sample5 + last_sample5) * 0.5); - dst[12] = (float) ((sample4 + last_sample4) * 0.5); - dst[11] = (float) ((sample3 + last_sample3) * 0.5); - dst[10] = (float) ((sample2 + last_sample2) * 0.5); - dst[9] = (float) ((sample1 + last_sample1) * 0.5); - dst[8] = (float) ((sample0 + last_sample0) * 0.5); - dst[7] = (float) ((sample7 + (3.0 * last_sample7)) * 0.25); - dst[6] = (float) ((sample6 + (3.0 * last_sample6)) * 0.25); - dst[5] = (float) ((sample5 + (3.0 * last_sample5)) * 0.25); - dst[4] = (float) ((sample4 + (3.0 * last_sample4)) * 0.25); - dst[3] = (float) ((sample3 + (3.0 * last_sample3)) * 0.25); - dst[2] = (float) ((sample2 + (3.0 * last_sample2)) * 0.25); - dst[1] = (float) ((sample1 + (3.0 * last_sample1)) * 0.25); - dst[0] = (float) ((sample0 + (3.0 * last_sample0)) * 0.25); - last_sample7 = sample7; - last_sample6 = sample6; - last_sample5 = sample5; - last_sample4 = sample4; - last_sample3 = sample3; - last_sample2 = sample2; - last_sample1 = sample1; - last_sample0 = sample0; - dst -= 32; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -static void SDLCALL -SDL_Downsample_F32MSB_8c_x4(SDL_AudioCVT * cvt, SDL_AudioFormat format) -{ -#if DEBUG_CONVERT - fprintf(stderr, "Downsample (x4) AUDIO_F32MSB, 8 channels.\n"); -#endif - - const int srcsize = cvt->len_cvt; - const int dstsize = cvt->len_cvt / 4; - float *dst = (float *) cvt->buf; - const float *src = (float *) cvt->buf; - const float *target = (const float *) (cvt->buf + dstsize); - double last_sample0 = (double) SDL_SwapFloatBE(src[0]); - double last_sample1 = (double) SDL_SwapFloatBE(src[1]); - double last_sample2 = (double) SDL_SwapFloatBE(src[2]); - double last_sample3 = (double) SDL_SwapFloatBE(src[3]); - double last_sample4 = (double) SDL_SwapFloatBE(src[4]); - double last_sample5 = (double) SDL_SwapFloatBE(src[5]); - double last_sample6 = (double) SDL_SwapFloatBE(src[6]); - double last_sample7 = (double) SDL_SwapFloatBE(src[7]); - while (dst < target) { - const double sample0 = (double) SDL_SwapFloatBE(src[0]); - const double sample1 = (double) SDL_SwapFloatBE(src[1]); - const double sample2 = (double) SDL_SwapFloatBE(src[2]); - const double sample3 = (double) SDL_SwapFloatBE(src[3]); - const double sample4 = (double) SDL_SwapFloatBE(src[4]); - const double sample5 = (double) SDL_SwapFloatBE(src[5]); - const double sample6 = (double) SDL_SwapFloatBE(src[6]); - const double sample7 = (double) SDL_SwapFloatBE(src[7]); - src += 32; - dst[0] = (float) ((sample0 + last_sample0) * 0.5); - dst[1] = (float) ((sample1 + last_sample1) * 0.5); - dst[2] = (float) ((sample2 + last_sample2) * 0.5); - dst[3] = (float) ((sample3 + last_sample3) * 0.5); - dst[4] = (float) ((sample4 + last_sample4) * 0.5); - dst[5] = (float) ((sample5 + last_sample5) * 0.5); - dst[6] = (float) ((sample6 + last_sample6) * 0.5); - dst[7] = (float) ((sample7 + last_sample7) * 0.5); - last_sample0 = sample0; - last_sample1 = sample1; - last_sample2 = sample2; - last_sample3 = sample3; - last_sample4 = sample4; - last_sample5 = sample5; - last_sample6 = sample6; - last_sample7 = sample7; - dst += 8; - } - - cvt->len_cvt = dstsize; - if (cvt->filters[++cvt->filter_index]) { - cvt->filters[cvt->filter_index] (cvt, format); - } -} - -#endif /* !LESS_RESAMPLERS */ -#endif /* !NO_RESAMPLERS */ - - -const SDL_AudioRateFilters sdl_audio_rate_filters[] = -{ -#if !NO_RESAMPLERS - { AUDIO_U8, 1, 0, 0, SDL_Downsample_U8_1c }, - { AUDIO_U8, 1, 1, 0, SDL_Upsample_U8_1c }, - { AUDIO_U8, 2, 0, 0, SDL_Downsample_U8_2c }, - { AUDIO_U8, 2, 1, 0, SDL_Upsample_U8_2c }, - { AUDIO_U8, 4, 0, 0, SDL_Downsample_U8_4c }, - { AUDIO_U8, 4, 1, 0, SDL_Upsample_U8_4c }, - { AUDIO_U8, 6, 0, 0, SDL_Downsample_U8_6c }, - { AUDIO_U8, 6, 1, 0, SDL_Upsample_U8_6c }, - { AUDIO_U8, 8, 0, 0, SDL_Downsample_U8_8c }, - { AUDIO_U8, 8, 1, 0, SDL_Upsample_U8_8c }, - { AUDIO_S8, 1, 0, 0, SDL_Downsample_S8_1c }, - { AUDIO_S8, 1, 1, 0, SDL_Upsample_S8_1c }, - { AUDIO_S8, 2, 0, 0, SDL_Downsample_S8_2c }, - { AUDIO_S8, 2, 1, 0, SDL_Upsample_S8_2c }, - { AUDIO_S8, 4, 0, 0, SDL_Downsample_S8_4c }, - { AUDIO_S8, 4, 1, 0, SDL_Upsample_S8_4c }, - { AUDIO_S8, 6, 0, 0, SDL_Downsample_S8_6c }, - { AUDIO_S8, 6, 1, 0, SDL_Upsample_S8_6c }, - { AUDIO_S8, 8, 0, 0, SDL_Downsample_S8_8c }, - { AUDIO_S8, 8, 1, 0, SDL_Upsample_S8_8c }, - { AUDIO_U16LSB, 1, 0, 0, SDL_Downsample_U16LSB_1c }, - { AUDIO_U16LSB, 1, 1, 0, SDL_Upsample_U16LSB_1c }, - { AUDIO_U16LSB, 2, 0, 0, SDL_Downsample_U16LSB_2c }, - { AUDIO_U16LSB, 2, 1, 0, SDL_Upsample_U16LSB_2c }, - { AUDIO_U16LSB, 4, 0, 0, SDL_Downsample_U16LSB_4c }, - { AUDIO_U16LSB, 4, 1, 0, SDL_Upsample_U16LSB_4c }, - { AUDIO_U16LSB, 6, 0, 0, SDL_Downsample_U16LSB_6c }, - { AUDIO_U16LSB, 6, 1, 0, SDL_Upsample_U16LSB_6c }, - { AUDIO_U16LSB, 8, 0, 0, SDL_Downsample_U16LSB_8c }, - { AUDIO_U16LSB, 8, 1, 0, SDL_Upsample_U16LSB_8c }, - { AUDIO_S16LSB, 1, 0, 0, SDL_Downsample_S16LSB_1c }, - { AUDIO_S16LSB, 1, 1, 0, SDL_Upsample_S16LSB_1c }, - { AUDIO_S16LSB, 2, 0, 0, SDL_Downsample_S16LSB_2c }, - { AUDIO_S16LSB, 2, 1, 0, SDL_Upsample_S16LSB_2c }, - { AUDIO_S16LSB, 4, 0, 0, SDL_Downsample_S16LSB_4c }, - { AUDIO_S16LSB, 4, 1, 0, SDL_Upsample_S16LSB_4c }, - { AUDIO_S16LSB, 6, 0, 0, SDL_Downsample_S16LSB_6c }, - { AUDIO_S16LSB, 6, 1, 0, SDL_Upsample_S16LSB_6c }, - { AUDIO_S16LSB, 8, 0, 0, SDL_Downsample_S16LSB_8c }, - { AUDIO_S16LSB, 8, 1, 0, SDL_Upsample_S16LSB_8c }, - { AUDIO_U16MSB, 1, 0, 0, SDL_Downsample_U16MSB_1c }, - { AUDIO_U16MSB, 1, 1, 0, SDL_Upsample_U16MSB_1c }, - { AUDIO_U16MSB, 2, 0, 0, SDL_Downsample_U16MSB_2c }, - { AUDIO_U16MSB, 2, 1, 0, SDL_Upsample_U16MSB_2c }, - { AUDIO_U16MSB, 4, 0, 0, SDL_Downsample_U16MSB_4c }, - { AUDIO_U16MSB, 4, 1, 0, SDL_Upsample_U16MSB_4c }, - { AUDIO_U16MSB, 6, 0, 0, SDL_Downsample_U16MSB_6c }, - { AUDIO_U16MSB, 6, 1, 0, SDL_Upsample_U16MSB_6c }, - { AUDIO_U16MSB, 8, 0, 0, SDL_Downsample_U16MSB_8c }, - { AUDIO_U16MSB, 8, 1, 0, SDL_Upsample_U16MSB_8c }, - { AUDIO_S16MSB, 1, 0, 0, SDL_Downsample_S16MSB_1c }, - { AUDIO_S16MSB, 1, 1, 0, SDL_Upsample_S16MSB_1c }, - { AUDIO_S16MSB, 2, 0, 0, SDL_Downsample_S16MSB_2c }, - { AUDIO_S16MSB, 2, 1, 0, SDL_Upsample_S16MSB_2c }, - { AUDIO_S16MSB, 4, 0, 0, SDL_Downsample_S16MSB_4c }, - { AUDIO_S16MSB, 4, 1, 0, SDL_Upsample_S16MSB_4c }, - { AUDIO_S16MSB, 6, 0, 0, SDL_Downsample_S16MSB_6c }, - { AUDIO_S16MSB, 6, 1, 0, SDL_Upsample_S16MSB_6c }, - { AUDIO_S16MSB, 8, 0, 0, SDL_Downsample_S16MSB_8c }, - { AUDIO_S16MSB, 8, 1, 0, SDL_Upsample_S16MSB_8c }, - { AUDIO_S32LSB, 1, 0, 0, SDL_Downsample_S32LSB_1c }, - { AUDIO_S32LSB, 1, 1, 0, SDL_Upsample_S32LSB_1c }, - { AUDIO_S32LSB, 2, 0, 0, SDL_Downsample_S32LSB_2c }, - { AUDIO_S32LSB, 2, 1, 0, SDL_Upsample_S32LSB_2c }, - { AUDIO_S32LSB, 4, 0, 0, SDL_Downsample_S32LSB_4c }, - { AUDIO_S32LSB, 4, 1, 0, SDL_Upsample_S32LSB_4c }, - { AUDIO_S32LSB, 6, 0, 0, SDL_Downsample_S32LSB_6c }, - { AUDIO_S32LSB, 6, 1, 0, SDL_Upsample_S32LSB_6c }, - { AUDIO_S32LSB, 8, 0, 0, SDL_Downsample_S32LSB_8c }, - { AUDIO_S32LSB, 8, 1, 0, SDL_Upsample_S32LSB_8c }, - { AUDIO_S32MSB, 1, 0, 0, SDL_Downsample_S32MSB_1c }, - { AUDIO_S32MSB, 1, 1, 0, SDL_Upsample_S32MSB_1c }, - { AUDIO_S32MSB, 2, 0, 0, SDL_Downsample_S32MSB_2c }, - { AUDIO_S32MSB, 2, 1, 0, SDL_Upsample_S32MSB_2c }, - { AUDIO_S32MSB, 4, 0, 0, SDL_Downsample_S32MSB_4c }, - { AUDIO_S32MSB, 4, 1, 0, SDL_Upsample_S32MSB_4c }, - { AUDIO_S32MSB, 6, 0, 0, SDL_Downsample_S32MSB_6c }, - { AUDIO_S32MSB, 6, 1, 0, SDL_Upsample_S32MSB_6c }, - { AUDIO_S32MSB, 8, 0, 0, SDL_Downsample_S32MSB_8c }, - { AUDIO_S32MSB, 8, 1, 0, SDL_Upsample_S32MSB_8c }, - { AUDIO_F32LSB, 1, 0, 0, SDL_Downsample_F32LSB_1c }, - { AUDIO_F32LSB, 1, 1, 0, SDL_Upsample_F32LSB_1c }, - { AUDIO_F32LSB, 2, 0, 0, SDL_Downsample_F32LSB_2c }, - { AUDIO_F32LSB, 2, 1, 0, SDL_Upsample_F32LSB_2c }, - { AUDIO_F32LSB, 4, 0, 0, SDL_Downsample_F32LSB_4c }, - { AUDIO_F32LSB, 4, 1, 0, SDL_Upsample_F32LSB_4c }, - { AUDIO_F32LSB, 6, 0, 0, SDL_Downsample_F32LSB_6c }, - { AUDIO_F32LSB, 6, 1, 0, SDL_Upsample_F32LSB_6c }, - { AUDIO_F32LSB, 8, 0, 0, SDL_Downsample_F32LSB_8c }, - { AUDIO_F32LSB, 8, 1, 0, SDL_Upsample_F32LSB_8c }, - { AUDIO_F32MSB, 1, 0, 0, SDL_Downsample_F32MSB_1c }, - { AUDIO_F32MSB, 1, 1, 0, SDL_Upsample_F32MSB_1c }, - { AUDIO_F32MSB, 2, 0, 0, SDL_Downsample_F32MSB_2c }, - { AUDIO_F32MSB, 2, 1, 0, SDL_Upsample_F32MSB_2c }, - { AUDIO_F32MSB, 4, 0, 0, SDL_Downsample_F32MSB_4c }, - { AUDIO_F32MSB, 4, 1, 0, SDL_Upsample_F32MSB_4c }, - { AUDIO_F32MSB, 6, 0, 0, SDL_Downsample_F32MSB_6c }, - { AUDIO_F32MSB, 6, 1, 0, SDL_Upsample_F32MSB_6c }, - { AUDIO_F32MSB, 8, 0, 0, SDL_Downsample_F32MSB_8c }, - { AUDIO_F32MSB, 8, 1, 0, SDL_Upsample_F32MSB_8c }, -#if !LESS_RESAMPLERS - { AUDIO_U8, 1, 0, 2, SDL_Downsample_U8_1c_x2 }, - { AUDIO_U8, 1, 1, 2, SDL_Upsample_U8_1c_x2 }, - { AUDIO_U8, 1, 0, 4, SDL_Downsample_U8_1c_x4 }, - { AUDIO_U8, 1, 1, 4, SDL_Upsample_U8_1c_x4 }, - { AUDIO_U8, 2, 0, 2, SDL_Downsample_U8_2c_x2 }, - { AUDIO_U8, 2, 1, 2, SDL_Upsample_U8_2c_x2 }, - { AUDIO_U8, 2, 0, 4, SDL_Downsample_U8_2c_x4 }, - { AUDIO_U8, 2, 1, 4, SDL_Upsample_U8_2c_x4 }, - { AUDIO_U8, 4, 0, 2, SDL_Downsample_U8_4c_x2 }, - { AUDIO_U8, 4, 1, 2, SDL_Upsample_U8_4c_x2 }, - { AUDIO_U8, 4, 0, 4, SDL_Downsample_U8_4c_x4 }, - { AUDIO_U8, 4, 1, 4, SDL_Upsample_U8_4c_x4 }, - { AUDIO_U8, 6, 0, 2, SDL_Downsample_U8_6c_x2 }, - { AUDIO_U8, 6, 1, 2, SDL_Upsample_U8_6c_x2 }, - { AUDIO_U8, 6, 0, 4, SDL_Downsample_U8_6c_x4 }, - { AUDIO_U8, 6, 1, 4, SDL_Upsample_U8_6c_x4 }, - { AUDIO_U8, 8, 0, 2, SDL_Downsample_U8_8c_x2 }, - { AUDIO_U8, 8, 1, 2, SDL_Upsample_U8_8c_x2 }, - { AUDIO_U8, 8, 0, 4, SDL_Downsample_U8_8c_x4 }, - { AUDIO_U8, 8, 1, 4, SDL_Upsample_U8_8c_x4 }, - { AUDIO_S8, 1, 0, 2, SDL_Downsample_S8_1c_x2 }, - { AUDIO_S8, 1, 1, 2, SDL_Upsample_S8_1c_x2 }, - { AUDIO_S8, 1, 0, 4, SDL_Downsample_S8_1c_x4 }, - { AUDIO_S8, 1, 1, 4, SDL_Upsample_S8_1c_x4 }, - { AUDIO_S8, 2, 0, 2, SDL_Downsample_S8_2c_x2 }, - { AUDIO_S8, 2, 1, 2, SDL_Upsample_S8_2c_x2 }, - { AUDIO_S8, 2, 0, 4, SDL_Downsample_S8_2c_x4 }, - { AUDIO_S8, 2, 1, 4, SDL_Upsample_S8_2c_x4 }, - { AUDIO_S8, 4, 0, 2, SDL_Downsample_S8_4c_x2 }, - { AUDIO_S8, 4, 1, 2, SDL_Upsample_S8_4c_x2 }, - { AUDIO_S8, 4, 0, 4, SDL_Downsample_S8_4c_x4 }, - { AUDIO_S8, 4, 1, 4, SDL_Upsample_S8_4c_x4 }, - { AUDIO_S8, 6, 0, 2, SDL_Downsample_S8_6c_x2 }, - { AUDIO_S8, 6, 1, 2, SDL_Upsample_S8_6c_x2 }, - { AUDIO_S8, 6, 0, 4, SDL_Downsample_S8_6c_x4 }, - { AUDIO_S8, 6, 1, 4, SDL_Upsample_S8_6c_x4 }, - { AUDIO_S8, 8, 0, 2, SDL_Downsample_S8_8c_x2 }, - { AUDIO_S8, 8, 1, 2, SDL_Upsample_S8_8c_x2 }, - { AUDIO_S8, 8, 0, 4, SDL_Downsample_S8_8c_x4 }, - { AUDIO_S8, 8, 1, 4, SDL_Upsample_S8_8c_x4 }, - { AUDIO_U16LSB, 1, 0, 2, SDL_Downsample_U16LSB_1c_x2 }, - { AUDIO_U16LSB, 1, 1, 2, SDL_Upsample_U16LSB_1c_x2 }, - { AUDIO_U16LSB, 1, 0, 4, SDL_Downsample_U16LSB_1c_x4 }, - { AUDIO_U16LSB, 1, 1, 4, SDL_Upsample_U16LSB_1c_x4 }, - { AUDIO_U16LSB, 2, 0, 2, SDL_Downsample_U16LSB_2c_x2 }, - { AUDIO_U16LSB, 2, 1, 2, SDL_Upsample_U16LSB_2c_x2 }, - { AUDIO_U16LSB, 2, 0, 4, SDL_Downsample_U16LSB_2c_x4 }, - { AUDIO_U16LSB, 2, 1, 4, SDL_Upsample_U16LSB_2c_x4 }, - { AUDIO_U16LSB, 4, 0, 2, SDL_Downsample_U16LSB_4c_x2 }, - { AUDIO_U16LSB, 4, 1, 2, SDL_Upsample_U16LSB_4c_x2 }, - { AUDIO_U16LSB, 4, 0, 4, SDL_Downsample_U16LSB_4c_x4 }, - { AUDIO_U16LSB, 4, 1, 4, SDL_Upsample_U16LSB_4c_x4 }, - { AUDIO_U16LSB, 6, 0, 2, SDL_Downsample_U16LSB_6c_x2 }, - { AUDIO_U16LSB, 6, 1, 2, SDL_Upsample_U16LSB_6c_x2 }, - { AUDIO_U16LSB, 6, 0, 4, SDL_Downsample_U16LSB_6c_x4 }, - { AUDIO_U16LSB, 6, 1, 4, SDL_Upsample_U16LSB_6c_x4 }, - { AUDIO_U16LSB, 8, 0, 2, SDL_Downsample_U16LSB_8c_x2 }, - { AUDIO_U16LSB, 8, 1, 2, SDL_Upsample_U16LSB_8c_x2 }, - { AUDIO_U16LSB, 8, 0, 4, SDL_Downsample_U16LSB_8c_x4 }, - { AUDIO_U16LSB, 8, 1, 4, SDL_Upsample_U16LSB_8c_x4 }, - { AUDIO_S16LSB, 1, 0, 2, SDL_Downsample_S16LSB_1c_x2 }, - { AUDIO_S16LSB, 1, 1, 2, SDL_Upsample_S16LSB_1c_x2 }, - { AUDIO_S16LSB, 1, 0, 4, SDL_Downsample_S16LSB_1c_x4 }, - { AUDIO_S16LSB, 1, 1, 4, SDL_Upsample_S16LSB_1c_x4 }, - { AUDIO_S16LSB, 2, 0, 2, SDL_Downsample_S16LSB_2c_x2 }, - { AUDIO_S16LSB, 2, 1, 2, SDL_Upsample_S16LSB_2c_x2 }, - { AUDIO_S16LSB, 2, 0, 4, SDL_Downsample_S16LSB_2c_x4 }, - { AUDIO_S16LSB, 2, 1, 4, SDL_Upsample_S16LSB_2c_x4 }, - { AUDIO_S16LSB, 4, 0, 2, SDL_Downsample_S16LSB_4c_x2 }, - { AUDIO_S16LSB, 4, 1, 2, SDL_Upsample_S16LSB_4c_x2 }, - { AUDIO_S16LSB, 4, 0, 4, SDL_Downsample_S16LSB_4c_x4 }, - { AUDIO_S16LSB, 4, 1, 4, SDL_Upsample_S16LSB_4c_x4 }, - { AUDIO_S16LSB, 6, 0, 2, SDL_Downsample_S16LSB_6c_x2 }, - { AUDIO_S16LSB, 6, 1, 2, SDL_Upsample_S16LSB_6c_x2 }, - { AUDIO_S16LSB, 6, 0, 4, SDL_Downsample_S16LSB_6c_x4 }, - { AUDIO_S16LSB, 6, 1, 4, SDL_Upsample_S16LSB_6c_x4 }, - { AUDIO_S16LSB, 8, 0, 2, SDL_Downsample_S16LSB_8c_x2 }, - { AUDIO_S16LSB, 8, 1, 2, SDL_Upsample_S16LSB_8c_x2 }, - { AUDIO_S16LSB, 8, 0, 4, SDL_Downsample_S16LSB_8c_x4 }, - { AUDIO_S16LSB, 8, 1, 4, SDL_Upsample_S16LSB_8c_x4 }, - { AUDIO_U16MSB, 1, 0, 2, SDL_Downsample_U16MSB_1c_x2 }, - { AUDIO_U16MSB, 1, 1, 2, SDL_Upsample_U16MSB_1c_x2 }, - { AUDIO_U16MSB, 1, 0, 4, SDL_Downsample_U16MSB_1c_x4 }, - { AUDIO_U16MSB, 1, 1, 4, SDL_Upsample_U16MSB_1c_x4 }, - { AUDIO_U16MSB, 2, 0, 2, SDL_Downsample_U16MSB_2c_x2 }, - { AUDIO_U16MSB, 2, 1, 2, SDL_Upsample_U16MSB_2c_x2 }, - { AUDIO_U16MSB, 2, 0, 4, SDL_Downsample_U16MSB_2c_x4 }, - { AUDIO_U16MSB, 2, 1, 4, SDL_Upsample_U16MSB_2c_x4 }, - { AUDIO_U16MSB, 4, 0, 2, SDL_Downsample_U16MSB_4c_x2 }, - { AUDIO_U16MSB, 4, 1, 2, SDL_Upsample_U16MSB_4c_x2 }, - { AUDIO_U16MSB, 4, 0, 4, SDL_Downsample_U16MSB_4c_x4 }, - { AUDIO_U16MSB, 4, 1, 4, SDL_Upsample_U16MSB_4c_x4 }, - { AUDIO_U16MSB, 6, 0, 2, SDL_Downsample_U16MSB_6c_x2 }, - { AUDIO_U16MSB, 6, 1, 2, SDL_Upsample_U16MSB_6c_x2 }, - { AUDIO_U16MSB, 6, 0, 4, SDL_Downsample_U16MSB_6c_x4 }, - { AUDIO_U16MSB, 6, 1, 4, SDL_Upsample_U16MSB_6c_x4 }, - { AUDIO_U16MSB, 8, 0, 2, SDL_Downsample_U16MSB_8c_x2 }, - { AUDIO_U16MSB, 8, 1, 2, SDL_Upsample_U16MSB_8c_x2 }, - { AUDIO_U16MSB, 8, 0, 4, SDL_Downsample_U16MSB_8c_x4 }, - { AUDIO_U16MSB, 8, 1, 4, SDL_Upsample_U16MSB_8c_x4 }, - { AUDIO_S16MSB, 1, 0, 2, SDL_Downsample_S16MSB_1c_x2 }, - { AUDIO_S16MSB, 1, 1, 2, SDL_Upsample_S16MSB_1c_x2 }, - { AUDIO_S16MSB, 1, 0, 4, SDL_Downsample_S16MSB_1c_x4 }, - { AUDIO_S16MSB, 1, 1, 4, SDL_Upsample_S16MSB_1c_x4 }, - { AUDIO_S16MSB, 2, 0, 2, SDL_Downsample_S16MSB_2c_x2 }, - { AUDIO_S16MSB, 2, 1, 2, SDL_Upsample_S16MSB_2c_x2 }, - { AUDIO_S16MSB, 2, 0, 4, SDL_Downsample_S16MSB_2c_x4 }, - { AUDIO_S16MSB, 2, 1, 4, SDL_Upsample_S16MSB_2c_x4 }, - { AUDIO_S16MSB, 4, 0, 2, SDL_Downsample_S16MSB_4c_x2 }, - { AUDIO_S16MSB, 4, 1, 2, SDL_Upsample_S16MSB_4c_x2 }, - { AUDIO_S16MSB, 4, 0, 4, SDL_Downsample_S16MSB_4c_x4 }, - { AUDIO_S16MSB, 4, 1, 4, SDL_Upsample_S16MSB_4c_x4 }, - { AUDIO_S16MSB, 6, 0, 2, SDL_Downsample_S16MSB_6c_x2 }, - { AUDIO_S16MSB, 6, 1, 2, SDL_Upsample_S16MSB_6c_x2 }, - { AUDIO_S16MSB, 6, 0, 4, SDL_Downsample_S16MSB_6c_x4 }, - { AUDIO_S16MSB, 6, 1, 4, SDL_Upsample_S16MSB_6c_x4 }, - { AUDIO_S16MSB, 8, 0, 2, SDL_Downsample_S16MSB_8c_x2 }, - { AUDIO_S16MSB, 8, 1, 2, SDL_Upsample_S16MSB_8c_x2 }, - { AUDIO_S16MSB, 8, 0, 4, SDL_Downsample_S16MSB_8c_x4 }, - { AUDIO_S16MSB, 8, 1, 4, SDL_Upsample_S16MSB_8c_x4 }, - { AUDIO_S32LSB, 1, 0, 2, SDL_Downsample_S32LSB_1c_x2 }, - { AUDIO_S32LSB, 1, 1, 2, SDL_Upsample_S32LSB_1c_x2 }, - { AUDIO_S32LSB, 1, 0, 4, SDL_Downsample_S32LSB_1c_x4 }, - { AUDIO_S32LSB, 1, 1, 4, SDL_Upsample_S32LSB_1c_x4 }, - { AUDIO_S32LSB, 2, 0, 2, SDL_Downsample_S32LSB_2c_x2 }, - { AUDIO_S32LSB, 2, 1, 2, SDL_Upsample_S32LSB_2c_x2 }, - { AUDIO_S32LSB, 2, 0, 4, SDL_Downsample_S32LSB_2c_x4 }, - { AUDIO_S32LSB, 2, 1, 4, SDL_Upsample_S32LSB_2c_x4 }, - { AUDIO_S32LSB, 4, 0, 2, SDL_Downsample_S32LSB_4c_x2 }, - { AUDIO_S32LSB, 4, 1, 2, SDL_Upsample_S32LSB_4c_x2 }, - { AUDIO_S32LSB, 4, 0, 4, SDL_Downsample_S32LSB_4c_x4 }, - { AUDIO_S32LSB, 4, 1, 4, SDL_Upsample_S32LSB_4c_x4 }, - { AUDIO_S32LSB, 6, 0, 2, SDL_Downsample_S32LSB_6c_x2 }, - { AUDIO_S32LSB, 6, 1, 2, SDL_Upsample_S32LSB_6c_x2 }, - { AUDIO_S32LSB, 6, 0, 4, SDL_Downsample_S32LSB_6c_x4 }, - { AUDIO_S32LSB, 6, 1, 4, SDL_Upsample_S32LSB_6c_x4 }, - { AUDIO_S32LSB, 8, 0, 2, SDL_Downsample_S32LSB_8c_x2 }, - { AUDIO_S32LSB, 8, 1, 2, SDL_Upsample_S32LSB_8c_x2 }, - { AUDIO_S32LSB, 8, 0, 4, SDL_Downsample_S32LSB_8c_x4 }, - { AUDIO_S32LSB, 8, 1, 4, SDL_Upsample_S32LSB_8c_x4 }, - { AUDIO_S32MSB, 1, 0, 2, SDL_Downsample_S32MSB_1c_x2 }, - { AUDIO_S32MSB, 1, 1, 2, SDL_Upsample_S32MSB_1c_x2 }, - { AUDIO_S32MSB, 1, 0, 4, SDL_Downsample_S32MSB_1c_x4 }, - { AUDIO_S32MSB, 1, 1, 4, SDL_Upsample_S32MSB_1c_x4 }, - { AUDIO_S32MSB, 2, 0, 2, SDL_Downsample_S32MSB_2c_x2 }, - { AUDIO_S32MSB, 2, 1, 2, SDL_Upsample_S32MSB_2c_x2 }, - { AUDIO_S32MSB, 2, 0, 4, SDL_Downsample_S32MSB_2c_x4 }, - { AUDIO_S32MSB, 2, 1, 4, SDL_Upsample_S32MSB_2c_x4 }, - { AUDIO_S32MSB, 4, 0, 2, SDL_Downsample_S32MSB_4c_x2 }, - { AUDIO_S32MSB, 4, 1, 2, SDL_Upsample_S32MSB_4c_x2 }, - { AUDIO_S32MSB, 4, 0, 4, SDL_Downsample_S32MSB_4c_x4 }, - { AUDIO_S32MSB, 4, 1, 4, SDL_Upsample_S32MSB_4c_x4 }, - { AUDIO_S32MSB, 6, 0, 2, SDL_Downsample_S32MSB_6c_x2 }, - { AUDIO_S32MSB, 6, 1, 2, SDL_Upsample_S32MSB_6c_x2 }, - { AUDIO_S32MSB, 6, 0, 4, SDL_Downsample_S32MSB_6c_x4 }, - { AUDIO_S32MSB, 6, 1, 4, SDL_Upsample_S32MSB_6c_x4 }, - { AUDIO_S32MSB, 8, 0, 2, SDL_Downsample_S32MSB_8c_x2 }, - { AUDIO_S32MSB, 8, 1, 2, SDL_Upsample_S32MSB_8c_x2 }, - { AUDIO_S32MSB, 8, 0, 4, SDL_Downsample_S32MSB_8c_x4 }, - { AUDIO_S32MSB, 8, 1, 4, SDL_Upsample_S32MSB_8c_x4 }, - { AUDIO_F32LSB, 1, 0, 2, SDL_Downsample_F32LSB_1c_x2 }, - { AUDIO_F32LSB, 1, 1, 2, SDL_Upsample_F32LSB_1c_x2 }, - { AUDIO_F32LSB, 1, 0, 4, SDL_Downsample_F32LSB_1c_x4 }, - { AUDIO_F32LSB, 1, 1, 4, SDL_Upsample_F32LSB_1c_x4 }, - { AUDIO_F32LSB, 2, 0, 2, SDL_Downsample_F32LSB_2c_x2 }, - { AUDIO_F32LSB, 2, 1, 2, SDL_Upsample_F32LSB_2c_x2 }, - { AUDIO_F32LSB, 2, 0, 4, SDL_Downsample_F32LSB_2c_x4 }, - { AUDIO_F32LSB, 2, 1, 4, SDL_Upsample_F32LSB_2c_x4 }, - { AUDIO_F32LSB, 4, 0, 2, SDL_Downsample_F32LSB_4c_x2 }, - { AUDIO_F32LSB, 4, 1, 2, SDL_Upsample_F32LSB_4c_x2 }, - { AUDIO_F32LSB, 4, 0, 4, SDL_Downsample_F32LSB_4c_x4 }, - { AUDIO_F32LSB, 4, 1, 4, SDL_Upsample_F32LSB_4c_x4 }, - { AUDIO_F32LSB, 6, 0, 2, SDL_Downsample_F32LSB_6c_x2 }, - { AUDIO_F32LSB, 6, 1, 2, SDL_Upsample_F32LSB_6c_x2 }, - { AUDIO_F32LSB, 6, 0, 4, SDL_Downsample_F32LSB_6c_x4 }, - { AUDIO_F32LSB, 6, 1, 4, SDL_Upsample_F32LSB_6c_x4 }, - { AUDIO_F32LSB, 8, 0, 2, SDL_Downsample_F32LSB_8c_x2 }, - { AUDIO_F32LSB, 8, 1, 2, SDL_Upsample_F32LSB_8c_x2 }, - { AUDIO_F32LSB, 8, 0, 4, SDL_Downsample_F32LSB_8c_x4 }, - { AUDIO_F32LSB, 8, 1, 4, SDL_Upsample_F32LSB_8c_x4 }, - { AUDIO_F32MSB, 1, 0, 2, SDL_Downsample_F32MSB_1c_x2 }, - { AUDIO_F32MSB, 1, 1, 2, SDL_Upsample_F32MSB_1c_x2 }, - { AUDIO_F32MSB, 1, 0, 4, SDL_Downsample_F32MSB_1c_x4 }, - { AUDIO_F32MSB, 1, 1, 4, SDL_Upsample_F32MSB_1c_x4 }, - { AUDIO_F32MSB, 2, 0, 2, SDL_Downsample_F32MSB_2c_x2 }, - { AUDIO_F32MSB, 2, 1, 2, SDL_Upsample_F32MSB_2c_x2 }, - { AUDIO_F32MSB, 2, 0, 4, SDL_Downsample_F32MSB_2c_x4 }, - { AUDIO_F32MSB, 2, 1, 4, SDL_Upsample_F32MSB_2c_x4 }, - { AUDIO_F32MSB, 4, 0, 2, SDL_Downsample_F32MSB_4c_x2 }, - { AUDIO_F32MSB, 4, 1, 2, SDL_Upsample_F32MSB_4c_x2 }, - { AUDIO_F32MSB, 4, 0, 4, SDL_Downsample_F32MSB_4c_x4 }, - { AUDIO_F32MSB, 4, 1, 4, SDL_Upsample_F32MSB_4c_x4 }, - { AUDIO_F32MSB, 6, 0, 2, SDL_Downsample_F32MSB_6c_x2 }, - { AUDIO_F32MSB, 6, 1, 2, SDL_Upsample_F32MSB_6c_x2 }, - { AUDIO_F32MSB, 6, 0, 4, SDL_Downsample_F32MSB_6c_x4 }, - { AUDIO_F32MSB, 6, 1, 4, SDL_Upsample_F32MSB_6c_x4 }, - { AUDIO_F32MSB, 8, 0, 2, SDL_Downsample_F32MSB_8c_x2 }, - { AUDIO_F32MSB, 8, 1, 2, SDL_Upsample_F32MSB_8c_x2 }, - { AUDIO_F32MSB, 8, 0, 4, SDL_Downsample_F32MSB_8c_x4 }, - { AUDIO_F32MSB, 8, 1, 4, SDL_Upsample_F32MSB_8c_x4 }, -#endif /* !LESS_RESAMPLERS */ -#endif /* !NO_RESAMPLERS */ - { 0, 0, 0, 0, NULL } -}; - -/* 390 converters generated. */ - -/* *INDENT-ON* */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_mixer.c b/macosx/plugins/Common/SDL/src/audio/SDL_mixer.c deleted file mode 100644 index 04a6f2b1..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_mixer.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* This provides the default mixing callback for the SDL audio routines */ - -#include "SDL_audio.h" -#include "SDL_sysaudio.h" - -/* This table is used to add two sound values together and pin - * the value to avoid overflow. (used with permission from ARDI) - * Changed to use 0xFE instead of 0xFF for better sound quality. - */ -static const Uint8 mix8[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, - 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, - 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, - 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, - 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, - 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, - 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, - 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, - 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, - 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, - 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, - 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, - 0x7D, 0x7E, 0x7F, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, - 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, - 0x9E, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, - 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, - 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, - 0xBF, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, - 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, - 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, - 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, - 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, - 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, - 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE -}; - -/* The volume ranges from 0 - 128 */ -#define ADJUST_VOLUME(s, v) (s = (s*v)/SDL_MIX_MAXVOLUME) -#define ADJUST_VOLUME_U8(s, v) (s = (((s-128)*v)/SDL_MIX_MAXVOLUME)+128) - - -void -SDL_MixAudioFormat(Uint8 * dst, const Uint8 * src, SDL_AudioFormat format, - Uint32 len, int volume) -{ - if (volume == 0) { - return; - } - - switch (format) { - - case AUDIO_U8: - { - Uint8 src_sample; - - while (len--) { - src_sample = *src; - ADJUST_VOLUME_U8(src_sample, volume); - *dst = mix8[*dst + src_sample]; - ++dst; - ++src; - } - } - break; - - case AUDIO_S8: - { - { - Sint8 *dst8, *src8; - Sint8 src_sample; - int dst_sample; - const int max_audioval = ((1 << (8 - 1)) - 1); - const int min_audioval = -(1 << (8 - 1)); - - src8 = (Sint8 *) src; - dst8 = (Sint8 *) dst; - while (len--) { - src_sample = *src8; - ADJUST_VOLUME(src_sample, volume); - dst_sample = *dst8 + src_sample; - if (dst_sample > max_audioval) { - *dst8 = max_audioval; - } else if (dst_sample < min_audioval) { - *dst8 = min_audioval; - } else { - *dst8 = dst_sample; - } - ++dst8; - ++src8; - } - } - } - break; - - case AUDIO_S16LSB: - { - { - Sint16 src1, src2; - int dst_sample; - const int max_audioval = ((1 << (16 - 1)) - 1); - const int min_audioval = -(1 << (16 - 1)); - - len /= 2; - while (len--) { - src1 = ((src[1]) << 8 | src[0]); - ADJUST_VOLUME(src1, volume); - src2 = ((dst[1]) << 8 | dst[0]); - src += 2; - dst_sample = src1 + src2; - if (dst_sample > max_audioval) { - dst_sample = max_audioval; - } else if (dst_sample < min_audioval) { - dst_sample = min_audioval; - } - dst[0] = dst_sample & 0xFF; - dst_sample >>= 8; - dst[1] = dst_sample & 0xFF; - dst += 2; - } - } - } - break; - - case AUDIO_S16MSB: - { - Sint16 src1, src2; - int dst_sample; - const int max_audioval = ((1 << (16 - 1)) - 1); - const int min_audioval = -(1 << (16 - 1)); - - len /= 2; - while (len--) { - src1 = ((src[0]) << 8 | src[1]); - ADJUST_VOLUME(src1, volume); - src2 = ((dst[0]) << 8 | dst[1]); - src += 2; - dst_sample = src1 + src2; - if (dst_sample > max_audioval) { - dst_sample = max_audioval; - } else if (dst_sample < min_audioval) { - dst_sample = min_audioval; - } - dst[1] = dst_sample & 0xFF; - dst_sample >>= 8; - dst[0] = dst_sample & 0xFF; - dst += 2; - } - } - break; - - case AUDIO_S32LSB: - { - const Uint32 *src32 = (Uint32 *) src; - Uint32 *dst32 = (Uint32 *) dst; - Sint64 src1, src2; - Sint64 dst_sample; - const Sint64 max_audioval = ((((Sint64) 1) << (32 - 1)) - 1); - const Sint64 min_audioval = -(((Sint64) 1) << (32 - 1)); - - len /= 4; - while (len--) { - src1 = (Sint64) ((Sint32) SDL_SwapLE32(*src32)); - src32++; - ADJUST_VOLUME(src1, volume); - src2 = (Sint64) ((Sint32) SDL_SwapLE32(*dst32)); - dst_sample = src1 + src2; - if (dst_sample > max_audioval) { - dst_sample = max_audioval; - } else if (dst_sample < min_audioval) { - dst_sample = min_audioval; - } - *(dst32++) = SDL_SwapLE32((Uint32) ((Sint32) dst_sample)); - } - } - break; - - case AUDIO_S32MSB: - { - const Uint32 *src32 = (Uint32 *) src; - Uint32 *dst32 = (Uint32 *) dst; - Sint64 src1, src2; - Sint64 dst_sample; - const Sint64 max_audioval = ((((Sint64) 1) << (32 - 1)) - 1); - const Sint64 min_audioval = -(((Sint64) 1) << (32 - 1)); - - len /= 4; - while (len--) { - src1 = (Sint64) ((Sint32) SDL_SwapBE32(*src32)); - src32++; - ADJUST_VOLUME(src1, volume); - src2 = (Sint64) ((Sint32) SDL_SwapBE32(*dst32)); - dst_sample = src1 + src2; - if (dst_sample > max_audioval) { - dst_sample = max_audioval; - } else if (dst_sample < min_audioval) { - dst_sample = min_audioval; - } - *(dst32++) = SDL_SwapBE32((Uint32) ((Sint32) dst_sample)); - } - } - break; - - case AUDIO_F32LSB: - { - const float fmaxvolume = 1.0f / ((float) SDL_MIX_MAXVOLUME); - const float fvolume = (float) volume; - const float *src32 = (float *) src; - float *dst32 = (float *) dst; - float src1, src2; - double dst_sample; - /* !!! FIXME: are these right? */ - const double max_audioval = 3.402823466e+38F; - const double min_audioval = -3.402823466e+38F; - - len /= 4; - while (len--) { - src1 = ((SDL_SwapFloatLE(*src32) * fvolume) * fmaxvolume); - src2 = SDL_SwapFloatLE(*dst32); - src32++; - - dst_sample = ((double) src1) + ((double) src2); - if (dst_sample > max_audioval) { - dst_sample = max_audioval; - } else if (dst_sample < min_audioval) { - dst_sample = min_audioval; - } - *(dst32++) = SDL_SwapFloatLE((float) dst_sample); - } - } - break; - - case AUDIO_F32MSB: - { - const float fmaxvolume = 1.0f / ((float) SDL_MIX_MAXVOLUME); - const float fvolume = (float) volume; - const float *src32 = (float *) src; - float *dst32 = (float *) dst; - float src1, src2; - double dst_sample; - /* !!! FIXME: are these right? */ - const double max_audioval = 3.402823466e+38F; - const double min_audioval = -3.402823466e+38F; - - len /= 4; - while (len--) { - src1 = ((SDL_SwapFloatBE(*src32) * fvolume) * fmaxvolume); - src2 = SDL_SwapFloatBE(*dst32); - src32++; - - dst_sample = ((double) src1) + ((double) src2); - if (dst_sample > max_audioval) { - dst_sample = max_audioval; - } else if (dst_sample < min_audioval) { - dst_sample = min_audioval; - } - *(dst32++) = SDL_SwapFloatBE((float) dst_sample); - } - } - break; - - default: /* If this happens... FIXME! */ - SDL_SetError("SDL_MixAudio(): unknown audio format"); - return; - } -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_sysaudio.h b/macosx/plugins/Common/SDL/src/audio/SDL_sysaudio.h deleted file mode 100644 index 5e4795f3..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_sysaudio.h +++ /dev/null @@ -1,129 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is SDL_free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef _SDL_sysaudio_h -#define _SDL_sysaudio_h - -#include "SDL_mutex.h" -#include "SDL_thread.h" - -/* The SDL audio driver */ -typedef struct SDL_AudioDevice SDL_AudioDevice; -#define _THIS SDL_AudioDevice *_this - -typedef struct SDL_AudioDriverImpl -{ - int (*DetectDevices) (int iscapture); - const char *(*GetDeviceName) (int index, int iscapture); - int (*OpenDevice) (_THIS, const char *devname, int iscapture); - void (*ThreadInit) (_THIS); /* Called by audio thread at start */ - void (*WaitDevice) (_THIS); - void (*PlayDevice) (_THIS); - Uint8 *(*GetDeviceBuf) (_THIS); - void (*WaitDone) (_THIS); - void (*CloseDevice) (_THIS); - void (*LockDevice) (_THIS); - void (*UnlockDevice) (_THIS); - void (*Deinitialize) (void); - - /* Some flags to push duplicate code into the core and reduce #ifdefs. */ - int ProvidesOwnCallbackThread:1; - int SkipMixerLock:1; - int HasCaptureSupport:1; - int OnlyHasDefaultOutputDevice:1; - int OnlyHasDefaultInputDevice:1; -} SDL_AudioDriverImpl; - - -typedef struct SDL_AudioDriver -{ - /* * * */ - /* The name of this audio driver */ - const char *name; - - /* * * */ - /* The description of this audio driver */ - const char *desc; - - SDL_AudioDriverImpl impl; -} SDL_AudioDriver; - - -/* Streamer */ -typedef struct -{ - Uint8 *buffer; - int max_len; /* the maximum length in bytes */ - int read_pos, write_pos; /* the position of the write and read heads in bytes */ -} SDL_AudioStreamer; - - -/* Define the SDL audio driver structure */ -struct SDL_AudioDevice -{ - /* * * */ - /* Data common to all devices */ - - /* The current audio specification (shared with audio thread) */ - SDL_AudioSpec spec; - - /* An audio conversion block for audio format emulation */ - SDL_AudioCVT convert; - - /* The streamer, if sample rate conversion necessitates it */ - int use_streamer; - SDL_AudioStreamer streamer; - - /* Current state flags */ - int iscapture; - int enabled; - int paused; - int opened; - - /* Fake audio buffer for when the audio hardware is busy */ - Uint8 *fake_stream; - - /* A semaphore for locking the mixing buffers */ - SDL_mutex *mixer_lock; - - /* A thread to feed the audio device */ - SDL_Thread *thread; - SDL_threadID threadid; - - /* * * */ - /* Data private to this driver */ - struct SDL_PrivateAudioData *hidden; -}; -#undef _THIS - -typedef struct AudioBootStrap -{ - const char *name; - const char *desc; - int (*init) (SDL_AudioDriverImpl * impl); - int demand_only:1; /* 1==request explicitly, or it won't be available. */ -} AudioBootStrap; - -#endif /* _SDL_sysaudio_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_wave.c b/macosx/plugins/Common/SDL/src/audio/SDL_wave.c deleted file mode 100644 index 0f395c56..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_wave.c +++ /dev/null @@ -1,636 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Microsoft WAVE file loading routines */ - -#include "SDL_audio.h" -#include "SDL_wave.h" - - -static int ReadChunk(SDL_RWops * src, Chunk * chunk); - -struct MS_ADPCM_decodestate -{ - Uint8 hPredictor; - Uint16 iDelta; - Sint16 iSamp1; - Sint16 iSamp2; -}; -static struct MS_ADPCM_decoder -{ - WaveFMT wavefmt; - Uint16 wSamplesPerBlock; - Uint16 wNumCoef; - Sint16 aCoeff[7][2]; - /* * * */ - struct MS_ADPCM_decodestate state[2]; -} MS_ADPCM_state; - -static int -InitMS_ADPCM(WaveFMT * format) -{ - Uint8 *rogue_feel; - Uint16 extra_info; - int i; - - /* Set the rogue pointer to the MS_ADPCM specific data */ - MS_ADPCM_state.wavefmt.encoding = SDL_SwapLE16(format->encoding); - MS_ADPCM_state.wavefmt.channels = SDL_SwapLE16(format->channels); - MS_ADPCM_state.wavefmt.frequency = SDL_SwapLE32(format->frequency); - MS_ADPCM_state.wavefmt.byterate = SDL_SwapLE32(format->byterate); - MS_ADPCM_state.wavefmt.blockalign = SDL_SwapLE16(format->blockalign); - MS_ADPCM_state.wavefmt.bitspersample = - SDL_SwapLE16(format->bitspersample); - rogue_feel = (Uint8 *) format + sizeof(*format); - if (sizeof(*format) == 16) { - extra_info = ((rogue_feel[1] << 8) | rogue_feel[0]); - rogue_feel += sizeof(Uint16); - } - MS_ADPCM_state.wSamplesPerBlock = ((rogue_feel[1] << 8) | rogue_feel[0]); - rogue_feel += sizeof(Uint16); - MS_ADPCM_state.wNumCoef = ((rogue_feel[1] << 8) | rogue_feel[0]); - rogue_feel += sizeof(Uint16); - if (MS_ADPCM_state.wNumCoef != 7) { - SDL_SetError("Unknown set of MS_ADPCM coefficients"); - return (-1); - } - for (i = 0; i < MS_ADPCM_state.wNumCoef; ++i) { - MS_ADPCM_state.aCoeff[i][0] = ((rogue_feel[1] << 8) | rogue_feel[0]); - rogue_feel += sizeof(Uint16); - MS_ADPCM_state.aCoeff[i][1] = ((rogue_feel[1] << 8) | rogue_feel[0]); - rogue_feel += sizeof(Uint16); - } - return (0); -} - -static Sint32 -MS_ADPCM_nibble(struct MS_ADPCM_decodestate *state, - Uint8 nybble, Sint16 * coeff) -{ - const Sint32 max_audioval = ((1 << (16 - 1)) - 1); - const Sint32 min_audioval = -(1 << (16 - 1)); - const Sint32 adaptive[] = { - 230, 230, 230, 230, 307, 409, 512, 614, - 768, 614, 512, 409, 307, 230, 230, 230 - }; - Sint32 new_sample, delta; - - new_sample = ((state->iSamp1 * coeff[0]) + - (state->iSamp2 * coeff[1])) / 256; - if (nybble & 0x08) { - new_sample += state->iDelta * (nybble - 0x10); - } else { - new_sample += state->iDelta * nybble; - } - if (new_sample < min_audioval) { - new_sample = min_audioval; - } else if (new_sample > max_audioval) { - new_sample = max_audioval; - } - delta = ((Sint32) state->iDelta * adaptive[nybble]) / 256; - if (delta < 16) { - delta = 16; - } - state->iDelta = (Uint16) delta; - state->iSamp2 = state->iSamp1; - state->iSamp1 = (Sint16) new_sample; - return (new_sample); -} - -static int -MS_ADPCM_decode(Uint8 ** audio_buf, Uint32 * audio_len) -{ - struct MS_ADPCM_decodestate *state[2]; - Uint8 *freeable, *encoded, *decoded; - Sint32 encoded_len, samplesleft; - Sint8 nybble, stereo; - Sint16 *coeff[2]; - Sint32 new_sample; - - /* Allocate the proper sized output buffer */ - encoded_len = *audio_len; - encoded = *audio_buf; - freeable = *audio_buf; - *audio_len = (encoded_len / MS_ADPCM_state.wavefmt.blockalign) * - MS_ADPCM_state.wSamplesPerBlock * - MS_ADPCM_state.wavefmt.channels * sizeof(Sint16); - *audio_buf = (Uint8 *) SDL_malloc(*audio_len); - if (*audio_buf == NULL) { - SDL_Error(SDL_ENOMEM); - return (-1); - } - decoded = *audio_buf; - - /* Get ready... Go! */ - stereo = (MS_ADPCM_state.wavefmt.channels == 2); - state[0] = &MS_ADPCM_state.state[0]; - state[1] = &MS_ADPCM_state.state[stereo]; - while (encoded_len >= MS_ADPCM_state.wavefmt.blockalign) { - /* Grab the initial information for this block */ - state[0]->hPredictor = *encoded++; - if (stereo) { - state[1]->hPredictor = *encoded++; - } - state[0]->iDelta = ((encoded[1] << 8) | encoded[0]); - encoded += sizeof(Sint16); - if (stereo) { - state[1]->iDelta = ((encoded[1] << 8) | encoded[0]); - encoded += sizeof(Sint16); - } - state[0]->iSamp1 = ((encoded[1] << 8) | encoded[0]); - encoded += sizeof(Sint16); - if (stereo) { - state[1]->iSamp1 = ((encoded[1] << 8) | encoded[0]); - encoded += sizeof(Sint16); - } - state[0]->iSamp2 = ((encoded[1] << 8) | encoded[0]); - encoded += sizeof(Sint16); - if (stereo) { - state[1]->iSamp2 = ((encoded[1] << 8) | encoded[0]); - encoded += sizeof(Sint16); - } - coeff[0] = MS_ADPCM_state.aCoeff[state[0]->hPredictor]; - coeff[1] = MS_ADPCM_state.aCoeff[state[1]->hPredictor]; - - /* Store the two initial samples we start with */ - decoded[0] = state[0]->iSamp2 & 0xFF; - decoded[1] = state[0]->iSamp2 >> 8; - decoded += 2; - if (stereo) { - decoded[0] = state[1]->iSamp2 & 0xFF; - decoded[1] = state[1]->iSamp2 >> 8; - decoded += 2; - } - decoded[0] = state[0]->iSamp1 & 0xFF; - decoded[1] = state[0]->iSamp1 >> 8; - decoded += 2; - if (stereo) { - decoded[0] = state[1]->iSamp1 & 0xFF; - decoded[1] = state[1]->iSamp1 >> 8; - decoded += 2; - } - - /* Decode and store the other samples in this block */ - samplesleft = (MS_ADPCM_state.wSamplesPerBlock - 2) * - MS_ADPCM_state.wavefmt.channels; - while (samplesleft > 0) { - nybble = (*encoded) >> 4; - new_sample = MS_ADPCM_nibble(state[0], nybble, coeff[0]); - decoded[0] = new_sample & 0xFF; - new_sample >>= 8; - decoded[1] = new_sample & 0xFF; - decoded += 2; - - nybble = (*encoded) & 0x0F; - new_sample = MS_ADPCM_nibble(state[1], nybble, coeff[1]); - decoded[0] = new_sample & 0xFF; - new_sample >>= 8; - decoded[1] = new_sample & 0xFF; - decoded += 2; - - ++encoded; - samplesleft -= 2; - } - encoded_len -= MS_ADPCM_state.wavefmt.blockalign; - } - SDL_free(freeable); - return (0); -} - -struct IMA_ADPCM_decodestate -{ - Sint32 sample; - Sint8 index; -}; -static struct IMA_ADPCM_decoder -{ - WaveFMT wavefmt; - Uint16 wSamplesPerBlock; - /* * * */ - struct IMA_ADPCM_decodestate state[2]; -} IMA_ADPCM_state; - -static int -InitIMA_ADPCM(WaveFMT * format) -{ - Uint8 *rogue_feel; - Uint16 extra_info; - - /* Set the rogue pointer to the IMA_ADPCM specific data */ - IMA_ADPCM_state.wavefmt.encoding = SDL_SwapLE16(format->encoding); - IMA_ADPCM_state.wavefmt.channels = SDL_SwapLE16(format->channels); - IMA_ADPCM_state.wavefmt.frequency = SDL_SwapLE32(format->frequency); - IMA_ADPCM_state.wavefmt.byterate = SDL_SwapLE32(format->byterate); - IMA_ADPCM_state.wavefmt.blockalign = SDL_SwapLE16(format->blockalign); - IMA_ADPCM_state.wavefmt.bitspersample = - SDL_SwapLE16(format->bitspersample); - rogue_feel = (Uint8 *) format + sizeof(*format); - if (sizeof(*format) == 16) { - extra_info = ((rogue_feel[1] << 8) | rogue_feel[0]); - rogue_feel += sizeof(Uint16); - } - IMA_ADPCM_state.wSamplesPerBlock = ((rogue_feel[1] << 8) | rogue_feel[0]); - return (0); -} - -static Sint32 -IMA_ADPCM_nibble(struct IMA_ADPCM_decodestate *state, Uint8 nybble) -{ - const Sint32 max_audioval = ((1 << (16 - 1)) - 1); - const Sint32 min_audioval = -(1 << (16 - 1)); - const int index_table[16] = { - -1, -1, -1, -1, - 2, 4, 6, 8, - -1, -1, -1, -1, - 2, 4, 6, 8 - }; - const Sint32 step_table[89] = { - 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 19, 21, 23, 25, 28, 31, - 34, 37, 41, 45, 50, 55, 60, 66, 73, 80, 88, 97, 107, 118, 130, - 143, 157, 173, 190, 209, 230, 253, 279, 307, 337, 371, 408, - 449, 494, 544, 598, 658, 724, 796, 876, 963, 1060, 1166, 1282, - 1411, 1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024, 3327, - 3660, 4026, 4428, 4871, 5358, 5894, 6484, 7132, 7845, 8630, - 9493, 10442, 11487, 12635, 13899, 15289, 16818, 18500, 20350, - 22385, 24623, 27086, 29794, 32767 - }; - Sint32 delta, step; - - /* Compute difference and new sample value */ - step = step_table[state->index]; - delta = step >> 3; - if (nybble & 0x04) - delta += step; - if (nybble & 0x02) - delta += (step >> 1); - if (nybble & 0x01) - delta += (step >> 2); - if (nybble & 0x08) - delta = -delta; - state->sample += delta; - - /* Update index value */ - state->index += index_table[nybble]; - if (state->index > 88) { - state->index = 88; - } else if (state->index < 0) { - state->index = 0; - } - - /* Clamp output sample */ - if (state->sample > max_audioval) { - state->sample = max_audioval; - } else if (state->sample < min_audioval) { - state->sample = min_audioval; - } - return (state->sample); -} - -/* Fill the decode buffer with a channel block of data (8 samples) */ -static void -Fill_IMA_ADPCM_block(Uint8 * decoded, Uint8 * encoded, - int channel, int numchannels, - struct IMA_ADPCM_decodestate *state) -{ - int i; - Sint8 nybble; - Sint32 new_sample; - - decoded += (channel * 2); - for (i = 0; i < 4; ++i) { - nybble = (*encoded) & 0x0F; - new_sample = IMA_ADPCM_nibble(state, nybble); - decoded[0] = new_sample & 0xFF; - new_sample >>= 8; - decoded[1] = new_sample & 0xFF; - decoded += 2 * numchannels; - - nybble = (*encoded) >> 4; - new_sample = IMA_ADPCM_nibble(state, nybble); - decoded[0] = new_sample & 0xFF; - new_sample >>= 8; - decoded[1] = new_sample & 0xFF; - decoded += 2 * numchannels; - - ++encoded; - } -} - -static int -IMA_ADPCM_decode(Uint8 ** audio_buf, Uint32 * audio_len) -{ - struct IMA_ADPCM_decodestate *state; - Uint8 *freeable, *encoded, *decoded; - Sint32 encoded_len, samplesleft; - unsigned int c, channels; - - /* Check to make sure we have enough variables in the state array */ - channels = IMA_ADPCM_state.wavefmt.channels; - if (channels > SDL_arraysize(IMA_ADPCM_state.state)) { - SDL_SetError("IMA ADPCM decoder can only handle %d channels", - SDL_arraysize(IMA_ADPCM_state.state)); - return (-1); - } - state = IMA_ADPCM_state.state; - - /* Allocate the proper sized output buffer */ - encoded_len = *audio_len; - encoded = *audio_buf; - freeable = *audio_buf; - *audio_len = (encoded_len / IMA_ADPCM_state.wavefmt.blockalign) * - IMA_ADPCM_state.wSamplesPerBlock * - IMA_ADPCM_state.wavefmt.channels * sizeof(Sint16); - *audio_buf = (Uint8 *) SDL_malloc(*audio_len); - if (*audio_buf == NULL) { - SDL_Error(SDL_ENOMEM); - return (-1); - } - decoded = *audio_buf; - - /* Get ready... Go! */ - while (encoded_len >= IMA_ADPCM_state.wavefmt.blockalign) { - /* Grab the initial information for this block */ - for (c = 0; c < channels; ++c) { - /* Fill the state information for this block */ - state[c].sample = ((encoded[1] << 8) | encoded[0]); - encoded += 2; - if (state[c].sample & 0x8000) { - state[c].sample -= 0x10000; - } - state[c].index = *encoded++; - /* Reserved byte in buffer header, should be 0 */ - if (*encoded++ != 0) { - /* Uh oh, corrupt data? Buggy code? */ ; - } - - /* Store the initial sample we start with */ - decoded[0] = (Uint8) (state[c].sample & 0xFF); - decoded[1] = (Uint8) (state[c].sample >> 8); - decoded += 2; - } - - /* Decode and store the other samples in this block */ - samplesleft = (IMA_ADPCM_state.wSamplesPerBlock - 1) * channels; - while (samplesleft > 0) { - for (c = 0; c < channels; ++c) { - Fill_IMA_ADPCM_block(decoded, encoded, - c, channels, &state[c]); - encoded += 4; - samplesleft -= 8; - } - decoded += (channels * 8 * 2); - } - encoded_len -= IMA_ADPCM_state.wavefmt.blockalign; - } - SDL_free(freeable); - return (0); -} - -SDL_AudioSpec * -SDL_LoadWAV_RW(SDL_RWops * src, int freesrc, - SDL_AudioSpec * spec, Uint8 ** audio_buf, Uint32 * audio_len) -{ - int was_error; - Chunk chunk; - int lenread; - int IEEE_float_encoded, MS_ADPCM_encoded, IMA_ADPCM_encoded; - int samplesize; - - /* WAV magic header */ - Uint32 RIFFchunk; - Uint32 wavelen = 0; - Uint32 WAVEmagic; - Uint32 headerDiff = 0; - - /* FMT chunk */ - WaveFMT *format = NULL; - - /* Make sure we are passed a valid data source */ - was_error = 0; - if (src == NULL) { - was_error = 1; - goto done; - } - - /* Check the magic header */ - RIFFchunk = SDL_ReadLE32(src); - wavelen = SDL_ReadLE32(src); - if (wavelen == WAVE) { /* The RIFFchunk has already been read */ - WAVEmagic = wavelen; - wavelen = RIFFchunk; - RIFFchunk = RIFF; - } else { - WAVEmagic = SDL_ReadLE32(src); - } - if ((RIFFchunk != RIFF) || (WAVEmagic != WAVE)) { - SDL_SetError("Unrecognized file type (not WAVE)"); - was_error = 1; - goto done; - } - headerDiff += sizeof(Uint32); /* for WAVE */ - - /* Read the audio data format chunk */ - chunk.data = NULL; - do { - if (chunk.data != NULL) { - SDL_free(chunk.data); - chunk.data = NULL; - } - lenread = ReadChunk(src, &chunk); - if (lenread < 0) { - was_error = 1; - goto done; - } - /* 2 Uint32's for chunk header+len, plus the lenread */ - headerDiff += lenread + 2 * sizeof(Uint32); - } while ((chunk.magic == FACT) || (chunk.magic == LIST)); - - /* Decode the audio data format */ - format = (WaveFMT *) chunk.data; - if (chunk.magic != FMT) { - SDL_SetError("Complex WAVE files not supported"); - was_error = 1; - goto done; - } - IEEE_float_encoded = MS_ADPCM_encoded = IMA_ADPCM_encoded = 0; - switch (SDL_SwapLE16(format->encoding)) { - case PCM_CODE: - /* We can understand this */ - break; - case IEEE_FLOAT_CODE: - IEEE_float_encoded = 1; - /* We can understand this */ - break; - case MS_ADPCM_CODE: - /* Try to understand this */ - if (InitMS_ADPCM(format) < 0) { - was_error = 1; - goto done; - } - MS_ADPCM_encoded = 1; - break; - case IMA_ADPCM_CODE: - /* Try to understand this */ - if (InitIMA_ADPCM(format) < 0) { - was_error = 1; - goto done; - } - IMA_ADPCM_encoded = 1; - break; - case MP3_CODE: - SDL_SetError("MPEG Layer 3 data not supported", - SDL_SwapLE16(format->encoding)); - was_error = 1; - goto done; - default: - SDL_SetError("Unknown WAVE data format: 0x%.4x", - SDL_SwapLE16(format->encoding)); - was_error = 1; - goto done; - } - SDL_memset(spec, 0, (sizeof *spec)); - spec->freq = SDL_SwapLE32(format->frequency); - - if (IEEE_float_encoded) { - if ((SDL_SwapLE16(format->bitspersample)) != 32) { - was_error = 1; - } else { - spec->format = AUDIO_F32; - } - } else { - switch (SDL_SwapLE16(format->bitspersample)) { - case 4: - if (MS_ADPCM_encoded || IMA_ADPCM_encoded) { - spec->format = AUDIO_S16; - } else { - was_error = 1; - } - break; - case 8: - spec->format = AUDIO_U8; - break; - case 16: - spec->format = AUDIO_S16; - break; - case 32: - spec->format = AUDIO_S32; - break; - default: - was_error = 1; - break; - } - } - - if (was_error) { - SDL_SetError("Unknown %d-bit PCM data format", - SDL_SwapLE16(format->bitspersample)); - goto done; - } - spec->channels = (Uint8) SDL_SwapLE16(format->channels); - spec->samples = 4096; /* Good default buffer size */ - - /* Read the audio data chunk */ - *audio_buf = NULL; - do { - if (*audio_buf != NULL) { - SDL_free(*audio_buf); - *audio_buf = NULL; - } - lenread = ReadChunk(src, &chunk); - if (lenread < 0) { - was_error = 1; - goto done; - } - *audio_len = lenread; - *audio_buf = chunk.data; - if (chunk.magic != DATA) - headerDiff += lenread + 2 * sizeof(Uint32); - } while (chunk.magic != DATA); - headerDiff += 2 * sizeof(Uint32); /* for the data chunk and len */ - - if (MS_ADPCM_encoded) { - if (MS_ADPCM_decode(audio_buf, audio_len) < 0) { - was_error = 1; - goto done; - } - } - if (IMA_ADPCM_encoded) { - if (IMA_ADPCM_decode(audio_buf, audio_len) < 0) { - was_error = 1; - goto done; - } - } - - /* Don't return a buffer that isn't a multiple of samplesize */ - samplesize = ((SDL_AUDIO_BITSIZE(spec->format)) / 8) * spec->channels; - *audio_len &= ~(samplesize - 1); - - done: - if (format != NULL) { - SDL_free(format); - } - if (src) { - if (freesrc) { - SDL_RWclose(src); - } else { - /* seek to the end of the file (given by the RIFF chunk) */ - SDL_RWseek(src, wavelen - chunk.length - headerDiff, RW_SEEK_CUR); - } - } - if (was_error) { - spec = NULL; - } - return (spec); -} - -/* Since the WAV memory is allocated in the shared library, it must also - be freed here. (Necessary under Win32, VC++) - */ -void -SDL_FreeWAV(Uint8 * audio_buf) -{ - if (audio_buf != NULL) { - SDL_free(audio_buf); - } -} - -static int -ReadChunk(SDL_RWops * src, Chunk * chunk) -{ - chunk->magic = SDL_ReadLE32(src); - chunk->length = SDL_ReadLE32(src); - chunk->data = (Uint8 *) SDL_malloc(chunk->length); - if (chunk->data == NULL) { - SDL_Error(SDL_ENOMEM); - return (-1); - } - if (SDL_RWread(src, chunk->data, chunk->length, 1) != 1) { - SDL_Error(SDL_EFREAD); - SDL_free(chunk->data); - chunk->data = NULL; - return (-1); - } - return (chunk->length); -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_wave.h b/macosx/plugins/Common/SDL/src/audio/SDL_wave.h deleted file mode 100644 index 3ecea82e..00000000 --- a/macosx/plugins/Common/SDL/src/audio/SDL_wave.h +++ /dev/null @@ -1,65 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is SDL_free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* WAVE files are little-endian */ - -/*******************************************/ -/* Define values for Microsoft WAVE format */ -/*******************************************/ -#define RIFF 0x46464952 /* "RIFF" */ -#define WAVE 0x45564157 /* "WAVE" */ -#define FACT 0x74636166 /* "fact" */ -#define LIST 0x5453494c /* "LIST" */ -#define FMT 0x20746D66 /* "fmt " */ -#define DATA 0x61746164 /* "data" */ -#define PCM_CODE 0x0001 -#define MS_ADPCM_CODE 0x0002 -#define IEEE_FLOAT_CODE 0x0003 -#define IMA_ADPCM_CODE 0x0011 -#define MP3_CODE 0x0055 -#define WAVE_MONO 1 -#define WAVE_STEREO 2 - -/* Normally, these three chunks come consecutively in a WAVE file */ -typedef struct WaveFMT -{ -/* Not saved in the chunk we read: - Uint32 FMTchunk; - Uint32 fmtlen; -*/ - Uint16 encoding; - Uint16 channels; /* 1 = mono, 2 = stereo */ - Uint32 frequency; /* One of 11025, 22050, or 44100 Hz */ - Uint32 byterate; /* Average bytes per second */ - Uint16 blockalign; /* Bytes per sample block */ - Uint16 bitspersample; /* One of 8, 12, 16, or 4 for ADPCM */ -} WaveFMT; - -/* The general chunk found in the WAVE file */ -typedef struct Chunk -{ - Uint32 magic; - Uint32 length; - Uint8 *data; -} Chunk; -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/macosx/SDL_coreaudio.c b/macosx/plugins/Common/SDL/src/audio/macosx/SDL_coreaudio.c deleted file mode 100644 index 1e18ba44..00000000 --- a/macosx/plugins/Common/SDL/src/audio/macosx/SDL_coreaudio.c +++ /dev/null @@ -1,596 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include <CoreAudio/CoreAudio.h> -#include <CoreServices/CoreServices.h> -#include <AudioUnit/AudioUnit.h> -#if MAC_OS_X_VERSION_MAX_ALLOWED <= 1050 -#include <AudioUnit/AUNTComponent.h> -#endif - -#include "SDL_audio.h" -#include "../SDL_audio_c.h" -#include "../SDL_sysaudio.h" -#include "SDL_coreaudio.h" - -#define DEBUG_COREAUDIO 0 - -typedef struct COREAUDIO_DeviceList -{ - AudioDeviceID id; - const char *name; -} COREAUDIO_DeviceList; - -static COREAUDIO_DeviceList *inputDevices = NULL; -static int inputDeviceCount = 0; -static COREAUDIO_DeviceList *outputDevices = NULL; -static int outputDeviceCount = 0; - -static void -free_device_list(COREAUDIO_DeviceList ** devices, int *devCount) -{ - if (*devices) { - int i = *devCount; - while (i--) - SDL_free((void *) (*devices)[i].name); - SDL_free(*devices); - *devices = NULL; - } - *devCount = 0; -} - - -static void -build_device_list(int iscapture, COREAUDIO_DeviceList ** devices, - int *devCount) -{ - OSStatus result = noErr; - UInt32 size = 0; - AudioObjectPropertyAddress propaddr; - AudioObjectID *devs = NULL; - UInt32 i = 0; - UInt32 max = 0; - - free_device_list(devices, devCount); - - propaddr.mSelector = kAudioHardwarePropertyDevices; - propaddr.mScope = kAudioObjectPropertyScopeGlobal; - propaddr.mElement = kAudioObjectPropertyElementMaster; - - result = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &propaddr, 0, NULL, &size); - - if (result != kAudioHardwareNoError) - return; - - devs = (AudioDeviceID *) alloca(size); - if (devs == NULL) - return; - - max = size / sizeof(AudioDeviceID); - *devices = (COREAUDIO_DeviceList *) SDL_malloc(max * sizeof(**devices)); - if (*devices == NULL) - return; - - result = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propaddr, 0, NULL, &size, devs); - if (result != kAudioHardwareNoError) - return; - - for (i = 0; i < max; i++) { - CFStringRef cfstr = NULL; - char *ptr = NULL; - AudioObjectID dev = devs[i]; - AudioBufferList *buflist = NULL; - int usable = 0; - CFIndex len = 0; - - propaddr.mSelector = kAudioDevicePropertyStreamConfiguration; - propaddr.mScope = iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput; - propaddr.mElement = kAudioObjectPropertyElementMaster; - - result = AudioObjectGetPropertyDataSize(dev, &propaddr, 0, NULL, &size); - if (result != noErr) - continue; - - buflist = (AudioBufferList *) SDL_malloc(size); - if (buflist == NULL) - continue; - - result = AudioObjectGetPropertyData(dev, &propaddr, 0, NULL, &size, buflist); - - if (result == noErr) { - UInt32 j; - for (j = 0; j < buflist->mNumberBuffers; j++) { - if (buflist->mBuffers[j].mNumberChannels > 0) { - usable = 1; - break; - } - } - } - - SDL_free(buflist); - - if (!usable) - continue; - - size = sizeof(CFStringRef); - propaddr.mSelector = kAudioDevicePropertyDeviceNameCFString; - propaddr.mScope = iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput; - propaddr.mElement = kAudioObjectPropertyElementMaster; - - result = AudioObjectGetPropertyData(dev, &propaddr, 0, NULL, &size, &cfstr); - - if (result != kAudioHardwareNoError) - continue; - - len = CFStringGetMaximumSizeForEncoding(CFStringGetLength(cfstr), - kCFStringEncodingUTF8); - - ptr = (char *) SDL_malloc(len + 1); - usable = ((ptr != NULL) && - (CFStringGetCString - (cfstr, ptr, len + 1, kCFStringEncodingUTF8))); - - CFRelease(cfstr); - - if (usable) { - len = strlen(ptr); - /* Some devices have whitespace at the end...trim it. */ - while ((len > 0) && (ptr[len - 1] == ' ')) { - len--; - } - usable = (len > 0); - } - - if (!usable) { - SDL_free(ptr); - } else { - ptr[len] = '\0'; - -#if DEBUG_COREAUDIO - printf("COREAUDIO: Found %s device #%d: '%s' (devid %d)\n", - ((iscapture) ? "capture" : "output"), - (int) *devCount, ptr, (int) dev); -#endif - - (*devices)[*devCount].id = dev; - (*devices)[*devCount].name = ptr; - (*devCount)++; - } - } -} - -static inline void -build_device_lists(void) -{ - build_device_list(0, &outputDevices, &outputDeviceCount); - build_device_list(1, &inputDevices, &inputDeviceCount); -} - - -static inline void -free_device_lists(void) -{ - free_device_list(&outputDevices, &outputDeviceCount); - free_device_list(&inputDevices, &inputDeviceCount); -} - - -static int -find_device_id(const char *devname, int iscapture, AudioDeviceID * id) -{ - int i = ((iscapture) ? inputDeviceCount : outputDeviceCount); - COREAUDIO_DeviceList *devs = ((iscapture) ? inputDevices : outputDevices); - while (i--) { - if (SDL_strcmp(devname, devs->name) == 0) { - *id = devs->id; - return 1; - } - devs++; - } - - return 0; -} - - -static int -COREAUDIO_DetectDevices(int iscapture) -{ - if (iscapture) { - build_device_list(1, &inputDevices, &inputDeviceCount); - return inputDeviceCount; - } else { - build_device_list(0, &outputDevices, &outputDeviceCount); - return outputDeviceCount; - } - - return 0; /* shouldn't ever hit this. */ -} - - -static const char * -COREAUDIO_GetDeviceName(int index, int iscapture) -{ - if ((iscapture) && (index < inputDeviceCount)) { - return inputDevices[index].name; - } else if ((!iscapture) && (index < outputDeviceCount)) { - return outputDevices[index].name; - } - - SDL_SetError("No such device"); - return NULL; -} - - -static void -COREAUDIO_Deinitialize(void) -{ - free_device_lists(); -} - - -/* The CoreAudio callback */ -static OSStatus -outputCallback(void *inRefCon, - AudioUnitRenderActionFlags * ioActionFlags, - const AudioTimeStamp * inTimeStamp, - UInt32 inBusNumber, UInt32 inNumberFrames, - AudioBufferList * ioData) -{ - SDL_AudioDevice *this = (SDL_AudioDevice *) inRefCon; - AudioBuffer *abuf; - UInt32 remaining, len; - void *ptr; - UInt32 i; - - /* Only do anything if audio is enabled and not paused */ - if (!this->enabled || this->paused) { - for (i = 0; i < ioData->mNumberBuffers; i++) { - abuf = &ioData->mBuffers[i]; - SDL_memset(abuf->mData, this->spec.silence, abuf->mDataByteSize); - } - return 0; - } - - /* No SDL conversion should be needed here, ever, since we accept - any input format in OpenAudio, and leave the conversion to CoreAudio. - */ - /* - assert(!this->convert.needed); - assert(this->spec.channels == ioData->mNumberChannels); - */ - - for (i = 0; i < ioData->mNumberBuffers; i++) { - abuf = &ioData->mBuffers[i]; - remaining = abuf->mDataByteSize; - ptr = abuf->mData; - while (remaining > 0) { - if (this->hidden->bufferOffset >= this->hidden->bufferSize) { - /* Generate the data */ - SDL_memset(this->hidden->buffer, this->spec.silence, - this->hidden->bufferSize); - SDL_mutexP(this->mixer_lock); - (*this->spec.callback)(this->spec.userdata, - this->hidden->buffer, this->hidden->bufferSize); - SDL_mutexV(this->mixer_lock); - this->hidden->bufferOffset = 0; - } - - len = this->hidden->bufferSize - this->hidden->bufferOffset; - if (len > remaining) - len = remaining; - SDL_memcpy(ptr, (char *)this->hidden->buffer + - this->hidden->bufferOffset, len); - ptr = (char *)ptr + len; - remaining -= len; - this->hidden->bufferOffset += len; - } - } - - return 0; -} - -static OSStatus -inputCallback(void *inRefCon, - AudioUnitRenderActionFlags * ioActionFlags, - const AudioTimeStamp * inTimeStamp, - UInt32 inBusNumber, UInt32 inNumberFrames, - AudioBufferList * ioData) -{ - //err = AudioUnitRender(afr->fAudioUnit, ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, afr->fAudioBuffer); - // !!! FIXME: write me! - return noErr; -} - - -static void -COREAUDIO_CloseDevice(_THIS) -{ - if (this->hidden != NULL) { - if (this->hidden->audioUnitOpened) { - OSStatus result = noErr; - AURenderCallbackStruct callback; - const AudioUnitElement output_bus = 0; - const AudioUnitElement input_bus = 1; - const int iscapture = this->iscapture; - const AudioUnitElement bus = - ((iscapture) ? input_bus : output_bus); - const AudioUnitScope scope = - ((iscapture) ? kAudioUnitScope_Output : - kAudioUnitScope_Input); - - /* stop processing the audio unit */ - result = AudioOutputUnitStop(this->hidden->audioUnit); - - /* Remove the input callback */ - SDL_memset(&callback, '\0', sizeof(AURenderCallbackStruct)); - result = AudioUnitSetProperty(this->hidden->audioUnit, - kAudioUnitProperty_SetRenderCallback, - scope, bus, &callback, - sizeof(callback)); - - CloseComponent(this->hidden->audioUnit); - this->hidden->audioUnitOpened = 0; - } - SDL_free(this->hidden->buffer); - SDL_free(this->hidden); - this->hidden = NULL; - } -} - - -#define CHECK_RESULT(msg) \ - if (result != noErr) { \ - COREAUDIO_CloseDevice(this); \ - SDL_SetError("CoreAudio error (%s): %d", msg, (int) result); \ - return 0; \ - } - -static int -find_device_by_name(_THIS, const char *devname, int iscapture) -{ - AudioObjectID devid = 0; - AudioObjectPropertyAddress devaddr; - OSStatus result = noErr; - UInt32 size = 0; - UInt32 alive = 0; - pid_t pid = 0; - - if (devname == NULL) { - size = sizeof(devid); - AudioObjectPropertyAddress propaddr; - propaddr.mSelector = ((iscapture) ? kAudioHardwarePropertyDefaultInputDevice : kAudioHardwarePropertyDefaultOutputDevice); - propaddr.mScope = kAudioObjectPropertyScopeGlobal; - propaddr.mElement = kAudioObjectPropertyElementMaster; - - result = AudioObjectGetPropertyData(kAudioObjectSystemObject, &propaddr, 0, NULL, &size, &devid); - CHECK_RESULT("AudioObjectGetPropertyData (default device)"); - } else { - if (!find_device_id(devname, iscapture, &devid)) { - SDL_SetError("CoreAudio: No such audio device."); - return 0; - } - } - - size = sizeof(alive); - devaddr.mSelector = kAudioDevicePropertyDeviceIsAlive; - devaddr.mScope = iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput; - devaddr.mElement = kAudioObjectPropertyElementMaster; - - result = AudioObjectGetPropertyData(devid, &devaddr, 0, NULL, &size, &alive); - - CHECK_RESULT - ("AudioDeviceGetProperty (kAudioDevicePropertyDeviceIsAlive)"); - - if (!alive) { - SDL_SetError("CoreAudio: requested device exists, but isn't alive."); - return 0; - } - - size = sizeof(pid); - devaddr.mSelector = kAudioDevicePropertyHogMode; - devaddr.mScope = iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput; - devaddr.mElement = kAudioObjectPropertyElementMaster; - - result = AudioObjectGetPropertyData(devid, &devaddr, 0, NULL, &size, &pid); - - /* some devices don't support this property, so errors are fine here. */ - if ((result == noErr) && (pid != -1)) { - SDL_SetError("CoreAudio: requested device is being hogged."); - return 0; - } - - this->hidden->deviceID = devid; - return 1; -} - - -static int -prepare_audiounit(_THIS, const char *devname, int iscapture, - const AudioStreamBasicDescription * strdesc) -{ - OSStatus result = noErr; - AURenderCallbackStruct callback; - ComponentDescription desc; - Component comp = NULL; - const AudioUnitElement output_bus = 0; - const AudioUnitElement input_bus = 1; - const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus); - const AudioUnitScope scope = ((iscapture) ? kAudioUnitScope_Output : - kAudioUnitScope_Input); - - if (!find_device_by_name(this, devname, iscapture)) { - SDL_SetError("Couldn't find requested CoreAudio device"); - return 0; - } - - SDL_memset(&desc, '\0', sizeof(ComponentDescription)); - desc.componentType = kAudioUnitType_Output; - desc.componentSubType = kAudioUnitSubType_DefaultOutput; - desc.componentManufacturer = kAudioUnitManufacturer_Apple; - - comp = FindNextComponent(NULL, &desc); - if (comp == NULL) { - SDL_SetError("Couldn't find requested CoreAudio component"); - return 0; - } - - /* Open & initialize the audio unit */ - result = OpenAComponent(comp, &this->hidden->audioUnit); - CHECK_RESULT("OpenAComponent"); - - this->hidden->audioUnitOpened = 1; - - result = AudioUnitSetProperty(this->hidden->audioUnit, - kAudioOutputUnitProperty_CurrentDevice, - kAudioUnitScope_Global, 0, - &this->hidden->deviceID, - sizeof(AudioDeviceID)); - CHECK_RESULT - ("AudioUnitSetProperty (kAudioOutputUnitProperty_CurrentDevice)"); - - /* Set the data format of the audio unit. */ - result = AudioUnitSetProperty(this->hidden->audioUnit, - kAudioUnitProperty_StreamFormat, - scope, bus, strdesc, sizeof(*strdesc)); - CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_StreamFormat)"); - - /* Set the audio callback */ - SDL_memset(&callback, '\0', sizeof(AURenderCallbackStruct)); - callback.inputProc = ((iscapture) ? inputCallback : outputCallback); - callback.inputProcRefCon = this; - result = AudioUnitSetProperty(this->hidden->audioUnit, - kAudioUnitProperty_SetRenderCallback, - scope, bus, &callback, sizeof(callback)); - CHECK_RESULT - ("AudioUnitSetProperty (kAudioUnitProperty_SetRenderCallback)"); - - /* Calculate the final parameters for this audio specification */ - SDL_CalculateAudioSpec(&this->spec); - - /* Allocate a sample buffer */ - this->hidden->bufferOffset = this->hidden->bufferSize = this->spec.size; - this->hidden->buffer = SDL_malloc(this->hidden->bufferSize); - - result = AudioUnitInitialize(this->hidden->audioUnit); - CHECK_RESULT("AudioUnitInitialize"); - - /* Finally, start processing of the audio unit */ - result = AudioOutputUnitStart(this->hidden->audioUnit); - CHECK_RESULT("AudioOutputUnitStart"); - - /* We're running! */ - return 1; -} - - -static int -COREAUDIO_OpenDevice(_THIS, const char *devname, int iscapture) -{ - AudioStreamBasicDescription strdesc; - SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format); - int valid_datatype = 0; - - /* Initialize all variables that we clean on shutdown */ - this->hidden = (struct SDL_PrivateAudioData *) - SDL_malloc((sizeof *this->hidden)); - if (this->hidden == NULL) { - SDL_OutOfMemory(); - return (0); - } - SDL_memset(this->hidden, 0, (sizeof *this->hidden)); - - /* Setup a AudioStreamBasicDescription with the requested format */ - SDL_memset(&strdesc, '\0', sizeof(AudioStreamBasicDescription)); - strdesc.mFormatID = kAudioFormatLinearPCM; - strdesc.mFormatFlags = kLinearPCMFormatFlagIsPacked; - strdesc.mChannelsPerFrame = this->spec.channels; - strdesc.mSampleRate = this->spec.freq; - strdesc.mFramesPerPacket = 1; - - while ((!valid_datatype) && (test_format)) { - this->spec.format = test_format; - /* Just a list of valid SDL formats, so people don't pass junk here. */ - switch (test_format) { - case AUDIO_U8: - case AUDIO_S8: - case AUDIO_U16LSB: - case AUDIO_S16LSB: - case AUDIO_U16MSB: - case AUDIO_S16MSB: - case AUDIO_S32LSB: - case AUDIO_S32MSB: - case AUDIO_F32LSB: - case AUDIO_F32MSB: - valid_datatype = 1; - strdesc.mBitsPerChannel = SDL_AUDIO_BITSIZE(this->spec.format); - if (SDL_AUDIO_ISBIGENDIAN(this->spec.format)) - strdesc.mFormatFlags |= kLinearPCMFormatFlagIsBigEndian; - - if (SDL_AUDIO_ISFLOAT(this->spec.format)) - strdesc.mFormatFlags |= kLinearPCMFormatFlagIsFloat; - else if (SDL_AUDIO_ISSIGNED(this->spec.format)) - strdesc.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger; - break; - } - } - - if (!valid_datatype) { /* shouldn't happen, but just in case... */ - COREAUDIO_CloseDevice(this); - SDL_SetError("Unsupported audio format"); - return 0; - } - - strdesc.mBytesPerFrame = - strdesc.mBitsPerChannel * strdesc.mChannelsPerFrame / 8; - strdesc.mBytesPerPacket = - strdesc.mBytesPerFrame * strdesc.mFramesPerPacket; - - if (!prepare_audiounit(this, devname, iscapture, &strdesc)) { - COREAUDIO_CloseDevice(this); - return 0; /* prepare_audiounit() will call SDL_SetError()... */ - } - - return 1; /* good to go. */ -} - -static int -COREAUDIO_Init(SDL_AudioDriverImpl * impl) -{ - /* Set the function pointers */ - impl->DetectDevices = COREAUDIO_DetectDevices; - impl->GetDeviceName = COREAUDIO_GetDeviceName; - impl->OpenDevice = COREAUDIO_OpenDevice; - impl->CloseDevice = COREAUDIO_CloseDevice; - impl->Deinitialize = COREAUDIO_Deinitialize; - impl->ProvidesOwnCallbackThread = 1; - - build_device_lists(); /* do an initial check for devices... */ - - return 1; /* this audio target is available. */ -} - -AudioBootStrap COREAUDIO_bootstrap = { - "coreaudio", "Mac OS X CoreAudio", COREAUDIO_Init, 0 -}; - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/audio/macosx/SDL_coreaudio.h b/macosx/plugins/Common/SDL/src/audio/macosx/SDL_coreaudio.h deleted file mode 100644 index 3ad7ee9f..00000000 --- a/macosx/plugins/Common/SDL/src/audio/macosx/SDL_coreaudio.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef _SDL_coreaudio_h -#define _SDL_coreaudio_h - -#include "../SDL_sysaudio.h" - -/* Hidden "this" pointer for the audio functions */ -#define _THIS SDL_AudioDevice *this - -struct SDL_PrivateAudioData -{ - AudioUnit audioUnit; - int audioUnitOpened; - void *buffer; - UInt32 bufferOffset; - UInt32 bufferSize; - AudioDeviceID deviceID; -}; - -#endif /* _SDL_coreaudio_h */ -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/file/SDL_rwops.c b/macosx/plugins/Common/SDL/src/file/SDL_rwops.c deleted file mode 100644 index cdc0b393..00000000 --- a/macosx/plugins/Common/SDL/src/file/SDL_rwops.c +++ /dev/null @@ -1,663 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* This file provides a general interface for SDL to read and write - data sources. It can easily be extended to files, memory, etc. -*/ - -#include "SDL_endian.h" -#include "SDL_rwops.h" - -#ifdef __APPLE__ -#include "cocoa/SDL_rwopsbundlesupport.h" -#endif /* __APPLE__ */ - -#ifdef __WIN32__ - -/* Functions to read/write Win32 API file pointers */ -/* Will not use it on WinCE because stdio is buffered, it means - faster, and all stdio functions anyway are embedded in coredll.dll - - the main wince dll*/ - -#define WINDOWS_LEAN_AND_MEAN -#include <windows.h> - -#ifndef INVALID_SET_FILE_POINTER -#define INVALID_SET_FILE_POINTER 0xFFFFFFFF -#endif - -#define READAHEAD_BUFFER_SIZE 1024 - -static int SDLCALL -win32_file_open(SDL_RWops * context, const char *filename, const char *mode) -{ -#ifndef _WIN32_WCE - UINT old_error_mode; -#endif - HANDLE h; - DWORD r_right, w_right; - DWORD must_exist, truncate; - int a_mode; - - if (!context) - return -1; /* failed (invalid call) */ - - context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* mark this as unusable */ - context->hidden.win32io.buffer.data = NULL; - context->hidden.win32io.buffer.size = 0; - context->hidden.win32io.buffer.left = 0; - - /* "r" = reading, file must exist */ - /* "w" = writing, truncate existing, file may not exist */ - /* "r+"= reading or writing, file must exist */ - /* "a" = writing, append file may not exist */ - /* "a+"= append + read, file may not exist */ - /* "w+" = read, write, truncate. file may not exist */ - - must_exist = (SDL_strchr(mode, 'r') != NULL) ? OPEN_EXISTING : 0; - truncate = (SDL_strchr(mode, 'w') != NULL) ? CREATE_ALWAYS : 0; - r_right = (SDL_strchr(mode, '+') != NULL - || must_exist) ? GENERIC_READ : 0; - a_mode = (SDL_strchr(mode, 'a') != NULL) ? OPEN_ALWAYS : 0; - w_right = (a_mode || SDL_strchr(mode, '+') - || truncate) ? GENERIC_WRITE : 0; - - if (!r_right && !w_right) /* inconsistent mode */ - return -1; /* failed (invalid call) */ - - context->hidden.win32io.buffer.data = - (char *) SDL_malloc(READAHEAD_BUFFER_SIZE); - if (!context->hidden.win32io.buffer.data) { - SDL_OutOfMemory(); - return -1; - } -#ifdef _WIN32_WCE - { - size_t size = SDL_strlen(filename) + 1; - wchar_t *filenameW = SDL_stack_alloc(wchar_t, size); - - if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, size) == - 0) { - SDL_stack_free(filenameW); - SDL_free(context->hidden.win32io.buffer.data); - context->hidden.win32io.buffer.data = NULL; - SDL_SetError("Unable to convert filename to Unicode"); - return -1; - } - h = CreateFile(filenameW, (w_right | r_right), - (w_right) ? 0 : FILE_SHARE_READ, NULL, - (must_exist | truncate | a_mode), - FILE_ATTRIBUTE_NORMAL, NULL); - SDL_stack_free(filenameW); - } -#else - /* Do not open a dialog box if failure */ - old_error_mode = - SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS); - - h = CreateFile(filename, (w_right | r_right), - (w_right) ? 0 : FILE_SHARE_READ, NULL, - (must_exist | truncate | a_mode), FILE_ATTRIBUTE_NORMAL, - NULL); - - /* restore old behaviour */ - SetErrorMode(old_error_mode); -#endif /* _WIN32_WCE */ - - if (h == INVALID_HANDLE_VALUE) { - SDL_free(context->hidden.win32io.buffer.data); - context->hidden.win32io.buffer.data = NULL; - SDL_SetError("Couldn't open %s", filename); - return -2; /* failed (CreateFile) */ - } - context->hidden.win32io.h = h; - context->hidden.win32io.append = a_mode ? SDL_TRUE : SDL_FALSE; - - return 0; /* ok */ -} - -static long SDLCALL -win32_file_seek(SDL_RWops * context, long offset, int whence) -{ - DWORD win32whence; - long file_pos; - - if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE) { - SDL_SetError("win32_file_seek: invalid context/file not opened"); - return -1; - } - - /* FIXME: We may be able to satisfy the seek within buffered data */ - if (whence == RW_SEEK_CUR && context->hidden.win32io.buffer.left) { - offset -= (long)context->hidden.win32io.buffer.left; - } - context->hidden.win32io.buffer.left = 0; - - switch (whence) { - case RW_SEEK_SET: - win32whence = FILE_BEGIN; - break; - case RW_SEEK_CUR: - win32whence = FILE_CURRENT; - break; - case RW_SEEK_END: - win32whence = FILE_END; - break; - default: - SDL_SetError("win32_file_seek: Unknown value for 'whence'"); - return -1; - } - - file_pos = - SetFilePointer(context->hidden.win32io.h, offset, NULL, win32whence); - - if (file_pos != INVALID_SET_FILE_POINTER) - return file_pos; /* success */ - - SDL_Error(SDL_EFSEEK); - return -1; /* error */ -} - -static size_t SDLCALL -win32_file_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum) -{ - size_t total_need; - size_t total_read = 0; - size_t read_ahead; - DWORD byte_read; - - total_need = size * maxnum; - - if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE - || !total_need) - return 0; - - if (context->hidden.win32io.buffer.left > 0) { - void *data = (char *) context->hidden.win32io.buffer.data + - context->hidden.win32io.buffer.size - - context->hidden.win32io.buffer.left; - read_ahead = - SDL_min(total_need, context->hidden.win32io.buffer.left); - SDL_memcpy(ptr, data, read_ahead); - context->hidden.win32io.buffer.left -= read_ahead; - - if (read_ahead == total_need) { - return maxnum; - } - ptr = (char *) ptr + read_ahead; - total_need -= read_ahead; - total_read += read_ahead; - } - - if (total_need < READAHEAD_BUFFER_SIZE) { - if (!ReadFile - (context->hidden.win32io.h, context->hidden.win32io.buffer.data, - READAHEAD_BUFFER_SIZE, &byte_read, NULL)) { - SDL_Error(SDL_EFREAD); - return 0; - } - read_ahead = SDL_min(total_need, (int) byte_read); - SDL_memcpy(ptr, context->hidden.win32io.buffer.data, read_ahead); - context->hidden.win32io.buffer.size = byte_read; - context->hidden.win32io.buffer.left = byte_read - read_ahead; - total_read += read_ahead; - } else { - if (!ReadFile - (context->hidden.win32io.h, ptr, (DWORD)total_need, &byte_read, NULL)) { - SDL_Error(SDL_EFREAD); - return 0; - } - total_read += byte_read; - } - return (total_read / size); -} - -static size_t SDLCALL -win32_file_write(SDL_RWops * context, const void *ptr, size_t size, - size_t num) -{ - - size_t total_bytes; - DWORD byte_written; - size_t nwritten; - - total_bytes = size * num; - - if (!context || context->hidden.win32io.h == INVALID_HANDLE_VALUE - || total_bytes <= 0 || !size) - return 0; - - if (context->hidden.win32io.buffer.left) { - SetFilePointer(context->hidden.win32io.h, - -(LONG)context->hidden.win32io.buffer.left, NULL, - FILE_CURRENT); - context->hidden.win32io.buffer.left = 0; - } - - /* if in append mode, we must go to the EOF before write */ - if (context->hidden.win32io.append) { - if (SetFilePointer(context->hidden.win32io.h, 0L, NULL, FILE_END) == - INVALID_SET_FILE_POINTER) { - SDL_Error(SDL_EFWRITE); - return 0; - } - } - - if (!WriteFile - (context->hidden.win32io.h, ptr, (DWORD)total_bytes, &byte_written, NULL)) { - SDL_Error(SDL_EFWRITE); - return 0; - } - - nwritten = byte_written / size; - return nwritten; -} - -static int SDLCALL -win32_file_close(SDL_RWops * context) -{ - - if (context) { - if (context->hidden.win32io.h != INVALID_HANDLE_VALUE) { - CloseHandle(context->hidden.win32io.h); - context->hidden.win32io.h = INVALID_HANDLE_VALUE; /* to be sure */ - } - if (context->hidden.win32io.buffer.data) { - SDL_free(context->hidden.win32io.buffer.data); - context->hidden.win32io.buffer.data = NULL; - } - SDL_FreeRW(context); - } - return (0); -} -#endif /* __WIN32__ */ - -#ifdef HAVE_STDIO_H - -/* Functions to read/write stdio file pointers */ - -static long SDLCALL -stdio_seek(SDL_RWops * context, long offset, int whence) -{ - if (fseek(context->hidden.stdio.fp, offset, whence) == 0) { - return (ftell(context->hidden.stdio.fp)); - } else { - SDL_Error(SDL_EFSEEK); - return (-1); - } -} - -static size_t SDLCALL -stdio_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum) -{ - size_t nread; - - nread = fread(ptr, size, maxnum, context->hidden.stdio.fp); - if (nread == 0 && ferror(context->hidden.stdio.fp)) { - SDL_Error(SDL_EFREAD); - } - return (nread); -} - -static size_t SDLCALL -stdio_write(SDL_RWops * context, const void *ptr, size_t size, size_t num) -{ - size_t nwrote; - - nwrote = fwrite(ptr, size, num, context->hidden.stdio.fp); - if (nwrote == 0 && ferror(context->hidden.stdio.fp)) { - SDL_Error(SDL_EFWRITE); - } - return (nwrote); -} - -static int SDLCALL -stdio_close(SDL_RWops * context) -{ - int status = 0; - if (context) { - if (context->hidden.stdio.autoclose) { - /* WARNING: Check the return value here! */ - if (fclose(context->hidden.stdio.fp) != 0) { - SDL_Error(SDL_EFWRITE); - status = -1; - } - } - SDL_FreeRW(context); - } - return status; -} -#endif /* !HAVE_STDIO_H */ - -/* Functions to read/write memory pointers */ - -static long SDLCALL -mem_seek(SDL_RWops * context, long offset, int whence) -{ - Uint8 *newpos; - - switch (whence) { - case RW_SEEK_SET: - newpos = context->hidden.mem.base + offset; - break; - case RW_SEEK_CUR: - newpos = context->hidden.mem.here + offset; - break; - case RW_SEEK_END: - newpos = context->hidden.mem.stop + offset; - break; - default: - SDL_SetError("Unknown value for 'whence'"); - return (-1); - } - if (newpos < context->hidden.mem.base) { - newpos = context->hidden.mem.base; - } - if (newpos > context->hidden.mem.stop) { - newpos = context->hidden.mem.stop; - } - context->hidden.mem.here = newpos; - return (long)(context->hidden.mem.here - context->hidden.mem.base); -} - -static size_t SDLCALL -mem_read(SDL_RWops * context, void *ptr, size_t size, size_t maxnum) -{ - size_t total_bytes; - size_t mem_available; - - total_bytes = (maxnum * size); - if ((maxnum <= 0) || (size <= 0) - || ((total_bytes / maxnum) != (size_t) size)) { - return 0; - } - - mem_available = (context->hidden.mem.stop - context->hidden.mem.here); - if (total_bytes > mem_available) { - total_bytes = mem_available; - } - - SDL_memcpy(ptr, context->hidden.mem.here, total_bytes); - context->hidden.mem.here += total_bytes; - - return (total_bytes / size); -} - -static size_t SDLCALL -mem_write(SDL_RWops * context, const void *ptr, size_t size, size_t num) -{ - if ((context->hidden.mem.here + (num * size)) > context->hidden.mem.stop) { - num = (context->hidden.mem.stop - context->hidden.mem.here) / size; - } - SDL_memcpy(context->hidden.mem.here, ptr, num * size); - context->hidden.mem.here += num * size; - return (num); -} - -static size_t SDLCALL -mem_writeconst(SDL_RWops * context, const void *ptr, size_t size, size_t num) -{ - SDL_SetError("Can't write to read-only memory"); - return (-1); -} - -static int SDLCALL -mem_close(SDL_RWops * context) -{ - if (context) { - SDL_FreeRW(context); - } - return (0); -} - - -/* Functions to create SDL_RWops structures from various data sources */ - -SDL_RWops * -SDL_RWFromFile(const char *file, const char *mode) -{ - SDL_RWops *rwops = NULL; -#ifdef HAVE_STDIO_H - FILE *fp = NULL; -#endif - if (!file || !*file || !mode || !*mode) { - SDL_SetError("SDL_RWFromFile(): No file or no mode specified"); - return NULL; - } -#if defined(__WIN32__) - rwops = SDL_AllocRW(); - if (!rwops) - return NULL; /* SDL_SetError already setup by SDL_AllocRW() */ - if (win32_file_open(rwops, file, mode) < 0) { - SDL_FreeRW(rwops); - return NULL; - } - rwops->seek = win32_file_seek; - rwops->read = win32_file_read; - rwops->write = win32_file_write; - rwops->close = win32_file_close; - -#elif HAVE_STDIO_H - #ifdef __APPLE__ - fp = SDL_OpenFPFromBundleOrFallback(file, mode); - #else - fp = fopen(file, mode); - #endif - if (fp == NULL) { - SDL_SetError("Couldn't open %s", file); - } else { - rwops = SDL_RWFromFP(fp, 1); - } -#else - SDL_SetError("SDL not compiled with stdio support"); -#endif /* !HAVE_STDIO_H */ - - return (rwops); -} - -#ifdef HAVE_STDIO_H -SDL_RWops * -SDL_RWFromFP(FILE * fp, SDL_bool autoclose) -{ - SDL_RWops *rwops = NULL; - -#if 0 -/*#ifdef __NDS__*/ - /* set it up so we can use stdio file function */ - fatInitDefault(); - printf("called fatInitDefault()"); -#endif /* __NDS__ */ - - rwops = SDL_AllocRW(); - if (rwops != NULL) { - rwops->seek = stdio_seek; - rwops->read = stdio_read; - rwops->write = stdio_write; - rwops->close = stdio_close; - rwops->hidden.stdio.fp = fp; - rwops->hidden.stdio.autoclose = autoclose; - } - return (rwops); -} -#else -SDL_RWops * -SDL_RWFromFP(void * fp, SDL_bool autoclose) -{ - SDL_SetError("SDL not compiled with stdio support"); - return NULL; -} -#endif /* HAVE_STDIO_H */ - -SDL_RWops * -SDL_RWFromMem(void *mem, int size) -{ - SDL_RWops *rwops; - - rwops = SDL_AllocRW(); - if (rwops != NULL) { - rwops->seek = mem_seek; - rwops->read = mem_read; - rwops->write = mem_write; - rwops->close = mem_close; - rwops->hidden.mem.base = (Uint8 *) mem; - rwops->hidden.mem.here = rwops->hidden.mem.base; - rwops->hidden.mem.stop = rwops->hidden.mem.base + size; - } - return (rwops); -} - -SDL_RWops * -SDL_RWFromConstMem(const void *mem, int size) -{ - SDL_RWops *rwops; - - rwops = SDL_AllocRW(); - if (rwops != NULL) { - rwops->seek = mem_seek; - rwops->read = mem_read; - rwops->write = mem_writeconst; - rwops->close = mem_close; - rwops->hidden.mem.base = (Uint8 *) mem; - rwops->hidden.mem.here = rwops->hidden.mem.base; - rwops->hidden.mem.stop = rwops->hidden.mem.base + size; - } - return (rwops); -} - -SDL_RWops * -SDL_AllocRW(void) -{ - SDL_RWops *area; - - area = (SDL_RWops *) SDL_malloc(sizeof *area); - if (area == NULL) { - SDL_OutOfMemory(); - } - return (area); -} - -void -SDL_FreeRW(SDL_RWops * area) -{ - SDL_free(area); -} - -/* Functions for dynamically reading and writing endian-specific values */ - -Uint16 -SDL_ReadLE16(SDL_RWops * src) -{ - Uint16 value; - - SDL_RWread(src, &value, (sizeof value), 1); - return (SDL_SwapLE16(value)); -} - -Uint16 -SDL_ReadBE16(SDL_RWops * src) -{ - Uint16 value; - - SDL_RWread(src, &value, (sizeof value), 1); - return (SDL_SwapBE16(value)); -} - -Uint32 -SDL_ReadLE32(SDL_RWops * src) -{ - Uint32 value; - - SDL_RWread(src, &value, (sizeof value), 1); - return (SDL_SwapLE32(value)); -} - -Uint32 -SDL_ReadBE32(SDL_RWops * src) -{ - Uint32 value; - - SDL_RWread(src, &value, (sizeof value), 1); - return (SDL_SwapBE32(value)); -} - -Uint64 -SDL_ReadLE64(SDL_RWops * src) -{ - Uint64 value; - - SDL_RWread(src, &value, (sizeof value), 1); - return (SDL_SwapLE64(value)); -} - -Uint64 -SDL_ReadBE64(SDL_RWops * src) -{ - Uint64 value; - - SDL_RWread(src, &value, (sizeof value), 1); - return (SDL_SwapBE64(value)); -} - -size_t -SDL_WriteLE16(SDL_RWops * dst, Uint16 value) -{ - value = SDL_SwapLE16(value); - return (SDL_RWwrite(dst, &value, (sizeof value), 1)); -} - -size_t -SDL_WriteBE16(SDL_RWops * dst, Uint16 value) -{ - value = SDL_SwapBE16(value); - return (SDL_RWwrite(dst, &value, (sizeof value), 1)); -} - -size_t -SDL_WriteLE32(SDL_RWops * dst, Uint32 value) -{ - value = SDL_SwapLE32(value); - return (SDL_RWwrite(dst, &value, (sizeof value), 1)); -} - -size_t -SDL_WriteBE32(SDL_RWops * dst, Uint32 value) -{ - value = SDL_SwapBE32(value); - return (SDL_RWwrite(dst, &value, (sizeof value), 1)); -} - -size_t -SDL_WriteLE64(SDL_RWops * dst, Uint64 value) -{ - value = SDL_SwapLE64(value); - return (SDL_RWwrite(dst, &value, (sizeof value), 1)); -} - -size_t -SDL_WriteBE64(SDL_RWops * dst, Uint64 value) -{ - value = SDL_SwapBE64(value); - return (SDL_RWwrite(dst, &value, (sizeof value), 1)); -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/file/cocoa/SDL_rwopsbundlesupport.h b/macosx/plugins/Common/SDL/src/file/cocoa/SDL_rwopsbundlesupport.h deleted file mode 100644 index 6929904c..00000000 --- a/macosx/plugins/Common/SDL/src/file/cocoa/SDL_rwopsbundlesupport.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifdef __APPLE__ - -#include <stdio.h> - -#ifndef SDL_rwopsbundlesupport_h -#define SDL_rwopsbundlesupport_h -FILE* SDL_OpenFPFromBundleOrFallback(const char *file, const char *mode); -#endif -#endif diff --git a/macosx/plugins/Common/SDL/src/file/cocoa/SDL_rwopsbundlesupport.m b/macosx/plugins/Common/SDL/src/file/cocoa/SDL_rwopsbundlesupport.m deleted file mode 100644 index 888c0820..00000000 --- a/macosx/plugins/Common/SDL/src/file/cocoa/SDL_rwopsbundlesupport.m +++ /dev/null @@ -1,44 +0,0 @@ -#ifdef __APPLE__ -#import <Foundation/Foundation.h> - -#include "SDL_rwopsbundlesupport.h" - -/* For proper OS X applications, the resources are contained inside the application bundle. - So the strategy is to first check the application bundle for the file, then fallback to the current working directory. - Note: One additional corner-case is if the resource is in a framework's resource bundle instead of the app. - We might want to use bundle identifiers, e.g. org.libsdl.sdl to get the bundle for the framework, - but we would somehow need to know what the bundle identifiers we need to search are. - Also, note the bundle layouts are different for iPhone and Mac. -*/ -FILE* SDL_OpenFPFromBundleOrFallback(const char *file, const char *mode) -{ - FILE* fp = NULL; - - // If the file mode is writable, skip all the bundle stuff because generally the bundle is read-only. - if(strcmp("r", mode) && strcmp("rb", mode)) - { - return fopen(file, mode); - } - - NSAutoreleasePool *pool = [NSAutoreleasePool new]; - - NSFileManager* file_manager = [NSFileManager defaultManager]; - NSString* resource_path = [[NSBundle mainBundle] resourcePath]; - - NSString* ns_string_file_component = [file_manager stringWithFileSystemRepresentation:file length:strlen(file)]; - - NSString* full_path_with_file_to_try = [resource_path stringByAppendingPathComponent:ns_string_file_component]; - if([file_manager fileExistsAtPath:full_path_with_file_to_try]) - { - fp = fopen([full_path_with_file_to_try fileSystemRepresentation], mode); - } - else - { - fp = fopen(file, mode); - } - - [pool drain]; - - return fp; -} -#endif diff --git a/macosx/plugins/Common/SDL/src/haptic/SDL_haptic.c b/macosx/plugins/Common/SDL/src/haptic/SDL_haptic.c deleted file mode 100644 index db7dd121..00000000 --- a/macosx/plugins/Common/SDL/src/haptic/SDL_haptic.c +++ /dev/null @@ -1,816 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "SDL_config.h" - -#include "SDL_syshaptic.h" -#include "SDL_haptic_c.h" -#include "../joystick/SDL_joystick_c.h" /* For SDL_PrivateJoystickValid */ - - -Uint8 SDL_numhaptics = 0; -SDL_Haptic **SDL_haptics = NULL; - - -/* - * Initializes the Haptic devices. - */ -int -SDL_HapticInit(void) -{ - int arraylen; - int status; - - SDL_numhaptics = 0; - status = SDL_SYS_HapticInit(); - if (status >= 0) { - arraylen = (status + 1) * sizeof(*SDL_haptics); - SDL_haptics = (SDL_Haptic **) SDL_malloc(arraylen); - if (SDL_haptics == NULL) { /* Out of memory. */ - SDL_numhaptics = 0; - } else { - SDL_memset(SDL_haptics, 0, arraylen); - SDL_numhaptics = status; - } - status = 0; - } - - return status; -} - - -/* - * Checks to see if the haptic device is valid - */ -static int -ValidHaptic(SDL_Haptic * haptic) -{ - int i; - int valid; - - valid = 0; - if (haptic != NULL) { - for (i = 0; i < SDL_numhaptics; i++) { - if (SDL_haptics[i] == haptic) { - valid = 1; - break; - } - } - } - - /* Create the error here. */ - if (valid == 0) { - SDL_SetError("Haptic: Invalid haptic device identifier"); - } - - return valid; -} - - -/* - * Returns the number of available devices. - */ -int -SDL_NumHaptics(void) -{ - return SDL_numhaptics; -} - - -/* - * Gets the name of a Haptic device by index. - */ -const char * -SDL_HapticName(int device_index) -{ - if ((device_index < 0) || (device_index >= SDL_numhaptics)) { - SDL_SetError("Haptic: There are %d haptic devices available", - SDL_numhaptics); - return NULL; - } - return SDL_SYS_HapticName(device_index); -} - - -/* - * Opens a Haptic device. - */ -SDL_Haptic * -SDL_HapticOpen(int device_index) -{ - int i; - SDL_Haptic *haptic; - - if ((device_index < 0) || (device_index >= SDL_numhaptics)) { - SDL_SetError("Haptic: There are %d haptic devices available", - SDL_numhaptics); - return NULL; - } - - /* If the haptic is already open, return it */ - for (i = 0; SDL_haptics[i]; i++) { - if (device_index == SDL_haptics[i]->index) { - haptic = SDL_haptics[i]; - ++haptic->ref_count; - return haptic; - } - } - - /* Create the haptic device */ - haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic)); - if (haptic == NULL) { - SDL_OutOfMemory(); - return NULL; - } - - /* Initialize the haptic device */ - SDL_memset(haptic, 0, (sizeof *haptic)); - haptic->rumble_id = -1; - haptic->index = device_index; - if (SDL_SYS_HapticOpen(haptic) < 0) { - SDL_free(haptic); - return NULL; - } - - /* Disable autocenter and set gain to max. */ - if (haptic->supported & SDL_HAPTIC_GAIN) - SDL_HapticSetGain(haptic, 100); - if (haptic->supported & SDL_HAPTIC_AUTOCENTER) - SDL_HapticSetAutocenter(haptic, 0); - - /* Add haptic to list */ - ++haptic->ref_count; - for (i = 0; SDL_haptics[i]; i++) - /* Skip to next haptic */ ; - SDL_haptics[i] = haptic; - - return haptic; -} - - -/* - * Returns 1 if the device has been opened. - */ -int -SDL_HapticOpened(int device_index) -{ - int i, opened; - - opened = 0; - for (i = 0; SDL_haptics[i]; i++) { - if (SDL_haptics[i]->index == (Uint8) device_index) { - opened = 1; - break; - } - } - return opened; -} - - -/* - * Returns the index to a haptic device. - */ -int -SDL_HapticIndex(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->index; -} - - -/* - * Returns SDL_TRUE if mouse is haptic, SDL_FALSE if it isn't. - */ -int -SDL_MouseIsHaptic(void) -{ - if (SDL_SYS_HapticMouse() < 0) - return SDL_FALSE; - return SDL_TRUE; -} - - -/* - * Returns the haptic device if mouse is haptic or NULL elsewise. - */ -SDL_Haptic * -SDL_HapticOpenFromMouse(void) -{ - int device_index; - - device_index = SDL_SYS_HapticMouse(); - - if (device_index < 0) { - SDL_SetError("Haptic: Mouse isn't a haptic device."); - return NULL; - } - - return SDL_HapticOpen(device_index); -} - - -/* - * Returns SDL_TRUE if joystick has haptic features. - */ -int -SDL_JoystickIsHaptic(SDL_Joystick * joystick) -{ - int ret; - - /* Must be a valid joystick */ - if (!SDL_PrivateJoystickValid(&joystick)) { - return -1; - } - - ret = SDL_SYS_JoystickIsHaptic(joystick); - - if (ret > 0) - return SDL_TRUE; - else if (ret == 0) - return SDL_FALSE; - else - return -1; -} - - -/* - * Opens a haptic device from a joystick. - */ -SDL_Haptic * -SDL_HapticOpenFromJoystick(SDL_Joystick * joystick) -{ - int i; - SDL_Haptic *haptic; - - /* Must be a valid joystick */ - if (!SDL_PrivateJoystickValid(&joystick)) { - SDL_SetError("Haptic: Joystick isn't valid."); - return NULL; - } - - /* Joystick must be haptic */ - if (SDL_SYS_JoystickIsHaptic(joystick) <= 0) { - SDL_SetError("Haptic: Joystick isn't a haptic device."); - return NULL; - } - - /* Check to see if joystick's haptic is already open */ - for (i = 0; SDL_haptics[i]; i++) { - if (SDL_SYS_JoystickSameHaptic(SDL_haptics[i], joystick)) { - haptic = SDL_haptics[i]; - ++haptic->ref_count; - return haptic; - } - } - - /* Create the haptic device */ - haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic)); - if (haptic == NULL) { - SDL_OutOfMemory(); - return NULL; - } - - /* Initialize the haptic device */ - SDL_memset(haptic, 0, sizeof(SDL_Haptic)); - haptic->rumble_id = -1; - if (SDL_SYS_HapticOpenFromJoystick(haptic, joystick) < 0) { - SDL_free(haptic); - return NULL; - } - - /* Add haptic to list */ - ++haptic->ref_count; - for (i = 0; SDL_haptics[i]; i++) - /* Skip to next haptic */ ; - SDL_haptics[i] = haptic; - - return haptic; -} - - -/* - * Closes a SDL_Haptic device. - */ -void -SDL_HapticClose(SDL_Haptic * haptic) -{ - int i; - - /* Must be valid */ - if (!ValidHaptic(haptic)) { - return; - } - - /* Check if it's still in use */ - if (--haptic->ref_count < 0) { - return; - } - - /* Close it, properly removing effects if needed */ - for (i = 0; i < haptic->neffects; i++) { - if (haptic->effects[i].hweffect != NULL) { - SDL_HapticDestroyEffect(haptic, i); - } - } - SDL_SYS_HapticClose(haptic); - - /* Remove from the list */ - for (i = 0; SDL_haptics[i]; ++i) { - if (haptic == SDL_haptics[i]) { - SDL_haptics[i] = NULL; - SDL_memcpy(&SDL_haptics[i], &SDL_haptics[i + 1], - (SDL_numhaptics - i) * sizeof(haptic)); - break; - } - } - - /* Free */ - SDL_free(haptic); -} - -/* - * Cleans up after the subsystem. - */ -void -SDL_HapticQuit(void) -{ - SDL_SYS_HapticQuit(); - if (SDL_haptics != NULL) { - SDL_free(SDL_haptics); - SDL_haptics = NULL; - } - SDL_numhaptics = 0; -} - -/* - * Returns the number of effects a haptic device has. - */ -int -SDL_HapticNumEffects(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->neffects; -} - - -/* - * Returns the number of effects a haptic device can play. - */ -int -SDL_HapticNumEffectsPlaying(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->nplaying; -} - - -/* - * Returns supported effects by the device. - */ -unsigned int -SDL_HapticQuery(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->supported; -} - - -/* - * Returns the number of axis on the device. - */ -int -SDL_HapticNumAxes(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->naxes; -} - -/* - * Checks to see if the device can support the effect. - */ -int -SDL_HapticEffectSupported(SDL_Haptic * haptic, SDL_HapticEffect * effect) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & effect->type) != 0) - return SDL_TRUE; - return SDL_FALSE; -} - -/* - * Creates a new haptic effect. - */ -int -SDL_HapticNewEffect(SDL_Haptic * haptic, SDL_HapticEffect * effect) -{ - int i; - - /* Check for device validity. */ - if (!ValidHaptic(haptic)) { - return -1; - } - - /* Check to see if effect is supported */ - if (SDL_HapticEffectSupported(haptic, effect) == SDL_FALSE) { - SDL_SetError("Haptic: Effect not supported by haptic device."); - return -1; - } - - /* See if there's a free slot */ - for (i = 0; i < haptic->neffects; i++) { - if (haptic->effects[i].hweffect == NULL) { - - /* Now let the backend create the real effect */ - if (SDL_SYS_HapticNewEffect(haptic, &haptic->effects[i], effect) - != 0) { - return -1; /* Backend failed to create effect */ - } - - SDL_memcpy(&haptic->effects[i].effect, effect, - sizeof(SDL_HapticEffect)); - return i; - } - } - - SDL_SetError("Haptic: Device has no free space left."); - return -1; -} - -/* - * Checks to see if an effect is valid. - */ -static int -ValidEffect(SDL_Haptic * haptic, int effect) -{ - if ((effect < 0) || (effect >= haptic->neffects)) { - SDL_SetError("Haptic: Invalid effect identifier."); - return 0; - } - return 1; -} - -/* - * Updates an effect. - */ -int -SDL_HapticUpdateEffect(SDL_Haptic * haptic, int effect, - SDL_HapticEffect * data) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - /* Can't change type dynamically. */ - if (data->type != haptic->effects[effect].effect.type) { - SDL_SetError("Haptic: Updating effect type is illegal."); - return -1; - } - - /* Updates the effect */ - if (SDL_SYS_HapticUpdateEffect(haptic, &haptic->effects[effect], data) < - 0) { - return -1; - } - - SDL_memcpy(&haptic->effects[effect].effect, data, - sizeof(SDL_HapticEffect)); - return 0; -} - - -/* - * Runs the haptic effect on the device. - */ -int -SDL_HapticRunEffect(SDL_Haptic * haptic, int effect, Uint32 iterations) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - /* Run the effect */ - if (SDL_SYS_HapticRunEffect(haptic, &haptic->effects[effect], iterations) - < 0) { - return -1; - } - - return 0; -} - -/* - * Stops the haptic effect on the device. - */ -int -SDL_HapticStopEffect(SDL_Haptic * haptic, int effect) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - /* Stop the effect */ - if (SDL_SYS_HapticStopEffect(haptic, &haptic->effects[effect]) < 0) { - return -1; - } - - return 0; -} - -/* - * Gets rid of a haptic effect. - */ -void -SDL_HapticDestroyEffect(SDL_Haptic * haptic, int effect) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return; - } - - /* Not allocated */ - if (haptic->effects[effect].hweffect == NULL) { - return; - } - - SDL_SYS_HapticDestroyEffect(haptic, &haptic->effects[effect]); -} - -/* - * Gets the status of a haptic effect. - */ -int -SDL_HapticGetEffectStatus(SDL_Haptic * haptic, int effect) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_STATUS) == 0) { - SDL_SetError("Haptic: Device does not support status queries."); - return -1; - } - - return SDL_SYS_HapticGetEffectStatus(haptic, &haptic->effects[effect]); -} - -/* - * Sets the global gain of the device. - */ -int -SDL_HapticSetGain(SDL_Haptic * haptic, int gain) -{ - const char *env; - int real_gain, max_gain; - - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_GAIN) == 0) { - SDL_SetError("Haptic: Device does not support setting gain."); - return -1; - } - - if ((gain < 0) || (gain > 100)) { - SDL_SetError("Haptic: Gain must be between 0 and 100."); - return -1; - } - - /* We use the envvar to get the maximum gain. */ - env = SDL_getenv("SDL_HAPTIC_GAIN_MAX"); - if (env != NULL) { - max_gain = SDL_atoi(env); - - /* Check for sanity. */ - if (max_gain < 0) - max_gain = 0; - else if (max_gain > 100) - max_gain = 100; - - /* We'll scale it linearly with SDL_HAPTIC_GAIN_MAX */ - real_gain = (gain * max_gain) / 100; - } else { - real_gain = gain; - } - - if (SDL_SYS_HapticSetGain(haptic, real_gain) < 0) { - return -1; - } - - return 0; -} - -/* - * Makes the device autocenter, 0 disables. - */ -int -SDL_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_AUTOCENTER) == 0) { - SDL_SetError("Haptic: Device does not support setting autocenter."); - return -1; - } - - if ((autocenter < 0) || (autocenter > 100)) { - SDL_SetError("Haptic: Autocenter must be between 0 and 100."); - return -1; - } - - if (SDL_SYS_HapticSetAutocenter(haptic, autocenter) < 0) { - return -1; - } - - return 0; -} - -/* - * Pauses the haptic device. - */ -int -SDL_HapticPause(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) { - SDL_SetError("Haptic: Device does not support setting pausing."); - return -1; - } - - return SDL_SYS_HapticPause(haptic); -} - -/* - * Unpauses the haptic device. - */ -int -SDL_HapticUnpause(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) { - return 0; /* Not going to be paused, so we pretend it's unpaused. */ - } - - return SDL_SYS_HapticUnpause(haptic); -} - -/* - * Stops all the currently playing effects. - */ -int -SDL_HapticStopAll(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return SDL_SYS_HapticStopAll(haptic); -} - -static void -SDL_HapticRumbleCreate(SDL_HapticEffect * efx) -{ - SDL_memset(efx, 0, sizeof(SDL_HapticEffect)); - efx->type = SDL_HAPTIC_SINE; - efx->periodic.period = 1000; - efx->periodic.magnitude = 0x4000; - efx->periodic.length = 5000; - efx->periodic.attack_length = 0; - efx->periodic.fade_length = 0; -} - -/* - * Checks to see if rumble is supported. - */ -int -SDL_HapticRumbleSupported(SDL_Haptic * haptic) -{ - SDL_HapticEffect efx; - - if (!ValidHaptic(haptic)) { - return -1; - } - - SDL_HapticRumbleCreate(&efx); - return SDL_HapticEffectSupported(haptic, &efx); -} - -/* - * Initializes the haptic device for simple rumble playback. - */ -int -SDL_HapticRumbleInit(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - /* Already allocated. */ - if (haptic->rumble_id >= 0) { - return 0; - } - - /* Copy over. */ - SDL_HapticRumbleCreate(&haptic->rumble_effect); - haptic->rumble_id = SDL_HapticNewEffect(haptic, &haptic->rumble_effect); - if (haptic->rumble_id >= 0) { - return 0; - } - return -1; -} - -/* - * Runs simple rumble on a haptic device - */ -int -SDL_HapticRumblePlay(SDL_Haptic * haptic, float strength, Uint32 length) -{ - int ret; - SDL_HapticPeriodic *efx; - - if (!ValidHaptic(haptic)) { - return -1; - } - - if (haptic->rumble_id < 0) { - SDL_SetError("Haptic: Rumble effect not initialized on haptic device"); - return -1; - } - - /* Clamp strength. */ - if (strength > 1.0f) { - strength = 1.0f; - } - else if (strength < 0.0f) { - strength = 0.0f; - } - - /* New effect. */ - efx = &haptic->rumble_effect.periodic; - efx->magnitude = (Sint16)(32767.0f*strength); - efx->length = length; - ret = SDL_HapticUpdateEffect(haptic, haptic->rumble_id, &haptic->rumble_effect); - - return SDL_HapticRunEffect(haptic, haptic->rumble_id, 1); -} - -/* - * Stops the simple rumble on a haptic device. - */ -int -SDL_HapticRumbleStop(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if (haptic->rumble_id < 0) { - SDL_SetError("Haptic: Rumble effect not initialized on haptic device"); - return -1; - } - - return SDL_HapticStopEffect(haptic, haptic->rumble_id); -} - - diff --git a/macosx/plugins/Common/SDL/src/haptic/SDL_haptic_c.h b/macosx/plugins/Common/SDL/src/haptic/SDL_haptic_c.h deleted file mode 100644 index d7e81105..00000000 --- a/macosx/plugins/Common/SDL/src/haptic/SDL_haptic_c.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -extern int SDL_HapticInit(void); -extern void SDL_HapticQuit(void); - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/haptic/SDL_syshaptic.h b/macosx/plugins/Common/SDL/src/haptic/SDL_syshaptic.h deleted file mode 100644 index b28e1a9c..00000000 --- a/macosx/plugins/Common/SDL/src/haptic/SDL_syshaptic.h +++ /dev/null @@ -1,203 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#include "SDL_config.h" - -#include "SDL_haptic.h" - - -/* - * Number of haptic devices on the system. - */ -extern Uint8 SDL_numhaptics; - - -struct haptic_effect -{ - SDL_HapticEffect effect; /* The current event */ - struct haptic_hweffect *hweffect; /* The hardware behind the event */ -}; - -/* - * The real SDL_Haptic struct. - */ -struct _SDL_Haptic -{ - Uint8 index; /* Stores index it is attached to */ - - struct haptic_effect *effects; /* Allocated effects */ - int neffects; /* Maximum amount of effects */ - int nplaying; /* Maximum amount of effects to play at the same time */ - unsigned int supported; /* Supported effects */ - int naxes; /* Number of axes on the device. */ - - struct haptic_hwdata *hwdata; /* Driver dependent */ - int ref_count; /* Count for multiple opens */ - - int rumble_id; /* ID of rumble effect for simple rumble API. */ - SDL_HapticEffect rumble_effect; /* Rumble effect. */ -}; - -/* - * Scans the system for haptic devices. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticInit(void); - -/* - * Gets the device dependent name of the haptic device - */ -extern const char *SDL_SYS_HapticName(int index); - -/* - * Opens the haptic device for usage. The haptic device should have - * the index value set previously. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticOpen(SDL_Haptic * haptic); - -/* - * Returns the index of the haptic core pointer or -1 if none is found. - */ -int SDL_SYS_HapticMouse(void); - -/* - * Checks to see if the joystick has haptic capabilities. - * - * Returns >0 if haptic capabilities are detected, 0 if haptic - * capabilities aren't detected and -1 on error. - */ -extern int SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick); - -/* - * Opens the haptic device for usage using the same device as - * the joystick. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, - SDL_Joystick * joystick); -/* - * Checks to see if haptic device and joystick device are the same. - * - * Returns 1 if they are the same, 0 if they aren't. - */ -extern int SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, - SDL_Joystick * joystick); - -/* - * Closes a haptic device after usage. - */ -extern void SDL_SYS_HapticClose(SDL_Haptic * haptic); - -/* - * Performs a cleanup on the haptic subsystem. - */ -extern void SDL_SYS_HapticQuit(void); - -/* - * Creates a new haptic effect on the haptic device using base - * as a template for the effect. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, - struct haptic_effect *effect, - SDL_HapticEffect * base); - -/* - * Updates the haptic effect on the haptic device using data - * as a template. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, - struct haptic_effect *effect, - SDL_HapticEffect * data); - -/* - * Runs the effect on the haptic device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, - struct haptic_effect *effect, - Uint32 iterations); - -/* - * Stops the effect on the haptic device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, - struct haptic_effect *effect); - -/* - * Cleanups up the effect on the haptic device. - */ -extern void SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, - struct haptic_effect *effect); - -/* - * Queries the device for the status of effect. - * - * Returns 0 if device is stopped, >0 if device is playing and - * -1 on error. - */ -extern int SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, - struct haptic_effect *effect); - -/* - * Sets the global gain of the haptic device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain); - -/* - * Sets the autocenter feature of the haptic device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter); - -/* - * Pauses the haptic device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticPause(SDL_Haptic * haptic); - -/* - * Unpauses the haptic device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticUnpause(SDL_Haptic * haptic); - -/* - * Stops all the currently playing haptic effects on the device. - * - * Returns 0 on success, -1 on error. - */ -extern int SDL_SYS_HapticStopAll(SDL_Haptic * haptic); diff --git a/macosx/plugins/Common/SDL/src/haptic/darwin/SDL_syshaptic.c b/macosx/plugins/Common/SDL/src/haptic/darwin/SDL_syshaptic.c deleted file mode 100644 index 9473b794..00000000 --- a/macosx/plugins/Common/SDL/src/haptic/darwin/SDL_syshaptic.c +++ /dev/null @@ -1,1332 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "SDL_config.h" - -#ifdef SDL_HAPTIC_IOKIT - -#include "SDL_haptic.h" -#include "../SDL_syshaptic.h" -#include "SDL_joystick.h" -#include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */ -#include "../../joystick/darwin/SDL_sysjoystick_c.h" /* For joystick hwdata */ - -#include <IOKit/IOKitLib.h> -#include <IOKit/hid/IOHIDKeys.h> -#include <IOKit/hid/IOHIDUsageTables.h> -#include <ForceFeedback/ForceFeedback.h> -#include <ForceFeedback/ForceFeedbackConstants.h> - -#ifndef IO_OBJECT_NULL -#define IO_OBJECT_NULL ((io_service_t)0) -#endif - -#define MAX_HAPTICS 32 - - -/* - * List of available haptic devices. - */ -static struct -{ - char name[256]; /* Name of the device. */ - - io_service_t dev; /* Node we use to create the device. */ - SDL_Haptic *haptic; /* Haptic currently assosciated with it. */ - - /* Usage pages for determining if it's a mouse or not. */ - long usage; - long usagePage; -} SDL_hapticlist[MAX_HAPTICS]; - - -/* - * Haptic system hardware data. - */ -struct haptic_hwdata -{ - FFDeviceObjectReference device; /* Hardware device. */ - UInt8 axes[3]; -}; - - -/* - * Haptic system effect data. - */ -struct haptic_hweffect -{ - FFEffectObjectReference ref; /* Reference. */ - struct FFEFFECT effect; /* Hardware effect. */ -}; - -/* - * Prototypes. - */ -static void SDL_SYS_HapticFreeFFEFFECT(FFEFFECT * effect, int type); -static int HIDGetDeviceProduct(io_service_t dev, char *name); - - -/* - * Like strerror but for force feedback errors. - */ -static const char * -FFStrError(HRESULT err) -{ - switch (err) { - case (HRESULT)FFERR_DEVICEFULL: - return "device full"; - /* This should be valid, but for some reason isn't defined... */ - /*case FFERR_DEVICENOTREG: - return "device not registered"; */ - case (HRESULT)FFERR_DEVICEPAUSED: - return "device paused"; - case (HRESULT)FFERR_DEVICERELEASED: - return "device released"; - case (HRESULT)FFERR_EFFECTPLAYING: - return "effect playing"; - case (HRESULT)FFERR_EFFECTTYPEMISMATCH: - return "effect type mismatch"; - case (HRESULT)FFERR_EFFECTTYPENOTSUPPORTED: - return "effect type not supported"; - case (HRESULT)FFERR_GENERIC: - return "undetermined error"; - case (HRESULT)FFERR_HASEFFECTS: - return "device has effects"; - case (HRESULT)FFERR_INCOMPLETEEFFECT: - return "incomplete effect"; - case (HRESULT)FFERR_INTERNAL: - return "internal fault"; - case (HRESULT)FFERR_INVALIDDOWNLOADID: - return "invalid download id"; - case (HRESULT)FFERR_INVALIDPARAM: - return "invalid parameter"; - case (HRESULT)FFERR_MOREDATA: - return "more data"; - case (HRESULT)FFERR_NOINTERFACE: - return "interface not supported"; - case (HRESULT)FFERR_NOTDOWNLOADED: - return "effect is not downloaded"; - case (HRESULT)FFERR_NOTINITIALIZED: - return "object has not been initialized"; - case (HRESULT)FFERR_OUTOFMEMORY: - return "out of memory"; - case (HRESULT)FFERR_UNPLUGGED: - return "device is unplugged"; - case (HRESULT)FFERR_UNSUPPORTED: - return "function call unsupported"; - case (HRESULT)FFERR_UNSUPPORTEDAXIS: - return "axis unsupported"; - - default: - return "unknown error"; - } -} - - -/* - * Initializes the haptic subsystem. - */ -int -SDL_SYS_HapticInit(void) -{ - int numhaptics; - IOReturn result; - io_iterator_t iter; - CFDictionaryRef match; - io_service_t device; - CFMutableDictionaryRef hidProperties; - CFTypeRef refCF; - - /* Clear all the memory. */ - SDL_memset(SDL_hapticlist, 0, sizeof(SDL_hapticlist)); - - /* Get HID devices. */ - match = IOServiceMatching(kIOHIDDeviceKey); - if (match == NULL) { - SDL_SetError("Haptic: Failed to get IOServiceMatching."); - return -1; - } - - /* Now search I/O Registry for matching devices. */ - result = IOServiceGetMatchingServices(kIOMasterPortDefault, match, &iter); - if (result != kIOReturnSuccess) { - SDL_SetError("Haptic: Couldn't create a HID object iterator."); - return -1; - } - /* IOServiceGetMatchingServices consumes dictionary. */ - - if (!IOIteratorIsValid(iter)) { /* No iterator. */ - numhaptics = 0; - return 0; - } - - numhaptics = 0; - while ((device = IOIteratorNext(iter)) != IO_OBJECT_NULL) { - - /* Check for force feedback. */ - if (FFIsForceFeedback(device) == FF_OK) { - - /* Set basic device data. */ - HIDGetDeviceProduct(device, SDL_hapticlist[numhaptics].name); - SDL_hapticlist[numhaptics].dev = device; - SDL_hapticlist[numhaptics].haptic = NULL; - - /* Set usage pages. */ - hidProperties = 0; - refCF = 0; - result = IORegistryEntryCreateCFProperties(device, - &hidProperties, - kCFAllocatorDefault, - kNilOptions); - if ((result == KERN_SUCCESS) && hidProperties) { - refCF = - CFDictionaryGetValue(hidProperties, - CFSTR(kIOHIDPrimaryUsagePageKey)); - if (refCF) { - if (!CFNumberGetValue(refCF, kCFNumberLongType, - &SDL_hapticlist[numhaptics]. - usagePage)) - SDL_SetError - ("Haptic: Recieving device's usage page."); - refCF = - CFDictionaryGetValue(hidProperties, - CFSTR(kIOHIDPrimaryUsageKey)); - if (refCF) { - if (!CFNumberGetValue(refCF, kCFNumberLongType, - &SDL_hapticlist[numhaptics]. - usage)) - SDL_SetError("Haptic: Recieving device's usage."); - } - } - CFRelease(hidProperties); - } - - /* Device has been added. */ - numhaptics++; - } else { /* Free the unused device. */ - IOObjectRelease(device); - } - - /* Reached haptic limit. */ - if (numhaptics >= MAX_HAPTICS) - break; - } - IOObjectRelease(iter); - - return numhaptics; -} - - -/* - * Return the name of a haptic device, does not need to be opened. - */ -const char * -SDL_SYS_HapticName(int index) -{ - return SDL_hapticlist[index].name; -} - -/* - * Gets the device's product name. - */ -static int -HIDGetDeviceProduct(io_service_t dev, char *name) -{ - CFMutableDictionaryRef hidProperties, usbProperties; - io_registry_entry_t parent1, parent2; - kern_return_t ret; - - hidProperties = usbProperties = 0; - - ret = IORegistryEntryCreateCFProperties(dev, &hidProperties, - kCFAllocatorDefault, kNilOptions); - if ((ret != KERN_SUCCESS) || !hidProperties) { - SDL_SetError("Haptic: Unable to create CFProperties."); - return -1; - } - - /* Mac OS X currently is not mirroring all USB properties to HID page so need to look at USB device page also - * get dictionary for usb properties: step up two levels and get CF dictionary for USB properties - */ - if ((KERN_SUCCESS == - IORegistryEntryGetParentEntry(dev, kIOServicePlane, &parent1)) - && (KERN_SUCCESS == - IORegistryEntryGetParentEntry(parent1, kIOServicePlane, &parent2)) - && (KERN_SUCCESS == - IORegistryEntryCreateCFProperties(parent2, &usbProperties, - kCFAllocatorDefault, - kNilOptions))) { - if (usbProperties) { - CFTypeRef refCF = 0; - /* get device info - * try hid dictionary first, if fail then go to usb dictionary - */ - - - /* Get product name */ - refCF = - CFDictionaryGetValue(hidProperties, CFSTR(kIOHIDProductKey)); - if (!refCF) - refCF = - CFDictionaryGetValue(usbProperties, - CFSTR("USB Product Name")); - if (refCF) { - if (!CFStringGetCString(refCF, name, 256, - CFStringGetSystemEncoding())) { - SDL_SetError - ("Haptic: CFStringGetCString error retrieving pDevice->product."); - return -1; - } - } - - CFRelease(usbProperties); - } else { - SDL_SetError - ("Haptic: IORegistryEntryCreateCFProperties failed to create usbProperties."); - return -1; - } - - /* Release stuff. */ - if (kIOReturnSuccess != IOObjectRelease(parent2)) { - SDL_SetError("Haptic: IOObjectRelease error with parent2."); - } - if (kIOReturnSuccess != IOObjectRelease(parent1)) { - SDL_SetError("Haptic: IOObjectRelease error with parent1."); - } - } else { - SDL_SetError("Haptic: Error getting registry entries."); - return -1; - } - - return 0; -} - - -#define FF_TEST(ff, s) \ -if (features.supportedEffects & (ff)) supported |= (s) -/* - * Gets supported features. - */ -static unsigned int -GetSupportedFeatures(SDL_Haptic * haptic) -{ - HRESULT ret; - FFDeviceObjectReference device; - FFCAPABILITIES features; - unsigned int supported; - Uint32 val; - - device = haptic->hwdata->device; - - ret = FFDeviceGetForceFeedbackCapabilities(device, &features); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to get device's supported features."); - return -1; - } - - supported = 0; - - /* Get maximum effects. */ - haptic->neffects = features.storageCapacity; - haptic->nplaying = features.playbackCapacity; - - /* Test for effects. */ - FF_TEST(FFCAP_ET_CONSTANTFORCE, SDL_HAPTIC_CONSTANT); - FF_TEST(FFCAP_ET_RAMPFORCE, SDL_HAPTIC_RAMP); - FF_TEST(FFCAP_ET_SQUARE, SDL_HAPTIC_SQUARE); - FF_TEST(FFCAP_ET_SINE, SDL_HAPTIC_SINE); - FF_TEST(FFCAP_ET_TRIANGLE, SDL_HAPTIC_TRIANGLE); - FF_TEST(FFCAP_ET_SAWTOOTHUP, SDL_HAPTIC_SAWTOOTHUP); - FF_TEST(FFCAP_ET_SAWTOOTHDOWN, SDL_HAPTIC_SAWTOOTHDOWN); - FF_TEST(FFCAP_ET_SPRING, SDL_HAPTIC_SPRING); - FF_TEST(FFCAP_ET_DAMPER, SDL_HAPTIC_DAMPER); - FF_TEST(FFCAP_ET_INERTIA, SDL_HAPTIC_INERTIA); - FF_TEST(FFCAP_ET_FRICTION, SDL_HAPTIC_FRICTION); - FF_TEST(FFCAP_ET_CUSTOMFORCE, SDL_HAPTIC_CUSTOM); - - /* Check if supports gain. */ - ret = FFDeviceGetForceFeedbackProperty(device, FFPROP_FFGAIN, - &val, sizeof(val)); - if (ret == FF_OK) - supported |= SDL_HAPTIC_GAIN; - else if (ret != FFERR_UNSUPPORTED) { - SDL_SetError("Haptic: Unable to get if device supports gain: %s.", - FFStrError(ret)); - return -1; - } - - /* Checks if supports autocenter. */ - ret = FFDeviceGetForceFeedbackProperty(device, FFPROP_AUTOCENTER, - &val, sizeof(val)); - if (ret == FF_OK) - supported |= SDL_HAPTIC_AUTOCENTER; - else if (ret != FFERR_UNSUPPORTED) { - SDL_SetError - ("Haptic: Unable to get if device supports autocenter: %s.", - FFStrError(ret)); - return -1; - } - - /* Check for axes, we have an artificial limit on axes */ - haptic->naxes = ((features.numFfAxes) > 3) ? 3 : features.numFfAxes; - /* Actually store the axes we want to use */ - SDL_memcpy(haptic->hwdata->axes, features.ffAxes, - haptic->naxes * sizeof(Uint8)); - - /* Always supported features. */ - supported |= SDL_HAPTIC_STATUS | SDL_HAPTIC_PAUSE; - - haptic->supported = supported; - return 0;; -} - - -/* - * Opens the haptic device from the file descriptor. - */ -static int -SDL_SYS_HapticOpenFromService(SDL_Haptic * haptic, io_service_t service) -{ - HRESULT ret; - int ret2; - - /* Allocate the hwdata */ - haptic->hwdata = (struct haptic_hwdata *) - SDL_malloc(sizeof(*haptic->hwdata)); - if (haptic->hwdata == NULL) { - SDL_OutOfMemory(); - goto creat_err; - } - SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata)); - - /* Open the device */ - ret = FFCreateDevice(service, &haptic->hwdata->device); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to create device from service: %s.", - FFStrError(ret)); - goto creat_err; - } - - /* Get supported features. */ - ret2 = GetSupportedFeatures(haptic); - if (ret2 < 0) { - goto open_err; - } - - - /* Reset and then enable actuators. */ - ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, - FFSFFC_RESET); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to reset device: %s.", FFStrError(ret)); - goto open_err; - } - ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, - FFSFFC_SETACTUATORSON); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to enable actuators: %s.", - FFStrError(ret)); - goto open_err; - } - - - /* Allocate effects memory. */ - haptic->effects = (struct haptic_effect *) - SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects); - if (haptic->effects == NULL) { - SDL_OutOfMemory(); - goto open_err; - } - /* Clear the memory */ - SDL_memset(haptic->effects, 0, - sizeof(struct haptic_effect) * haptic->neffects); - - return 0; - - /* Error handling */ - open_err: - FFReleaseDevice(haptic->hwdata->device); - creat_err: - if (haptic->hwdata != NULL) { - free(haptic->hwdata); - haptic->hwdata = NULL; - } - return -1; - -} - - -/* - * Opens a haptic device for usage. - */ -int -SDL_SYS_HapticOpen(SDL_Haptic * haptic) -{ - return SDL_SYS_HapticOpenFromService(haptic, - SDL_hapticlist[haptic->index].dev); -} - - -/* - * Opens a haptic device from first mouse it finds for usage. - */ -int -SDL_SYS_HapticMouse(void) -{ - int i; - - for (i = 0; i < SDL_numhaptics; i++) { - if ((SDL_hapticlist[i].usagePage == kHIDPage_GenericDesktop) && - (SDL_hapticlist[i].usage == kHIDUsage_GD_Mouse)) - return i; - } - - return -1; -} - - -/* - * Checks to see if a joystick has haptic features. - */ -int -SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick) -{ - if (joystick->hwdata->ffservice != 0) - return SDL_TRUE; - return SDL_FALSE; -} - - -/* - * Checks to see if the haptic device and joystick and in reality the same. - */ -int -SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick) -{ - if (IOObjectIsEqualTo((io_object_t) haptic->hwdata->device, - joystick->hwdata->ffservice)) - return 1; - return 0; -} - - -/* - * Opens a SDL_Haptic from a SDL_Joystick. - */ -int -SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick) -{ - int i; - for (i=0; i<SDL_numhaptics; i++) { - if (IOObjectIsEqualTo((io_object_t) SDL_hapticlist[i].dev, - joystick->hwdata->ffservice)) { - haptic->index = i; - break; - } - } - if (i >= SDL_numhaptics) { - return -1; - } - - return SDL_SYS_HapticOpenFromService(haptic, joystick->hwdata->ffservice); -} - - -/* - * Closes the haptic device. - */ -void -SDL_SYS_HapticClose(SDL_Haptic * haptic) -{ - if (haptic->hwdata) { - - /* Free Effects. */ - SDL_free(haptic->effects); - haptic->effects = NULL; - haptic->neffects = 0; - - /* Clean up */ - FFReleaseDevice(haptic->hwdata->device); - - /* Free */ - SDL_free(haptic->hwdata); - haptic->hwdata = NULL; - } -} - - -/* - * Clean up after system specific haptic stuff - */ -void -SDL_SYS_HapticQuit(void) -{ - int i; - - for (i = 0; i < SDL_numhaptics; i++) { - /* Opened and not closed haptics are leaked, this is on purpose. - * Close your haptic devices after usage. */ - - /* Free the io_service_t */ - IOObjectRelease(SDL_hapticlist[i].dev); - } -} - - -/* - * Converts an SDL trigger button to an FFEFFECT trigger button. - */ -static DWORD -FFGetTriggerButton(Uint16 button) -{ - DWORD dwTriggerButton; - - dwTriggerButton = FFEB_NOTRIGGER; - - if (button != 0) { - dwTriggerButton = FFJOFS_BUTTON(button - 1); - } - - return dwTriggerButton; -} - - -/* - * Sets the direction. - */ -static int -SDL_SYS_SetDirection(FFEFFECT * effect, SDL_HapticDirection * dir, int naxes) -{ - LONG *rglDir; - - /* Handle no axes a part. */ - if (naxes == 0) { - effect->dwFlags |= FFEFF_SPHERICAL; /* Set as default. */ - effect->rglDirection = NULL; - return 0; - } - - /* Has axes. */ - rglDir = SDL_malloc(sizeof(LONG) * naxes); - if (rglDir == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(rglDir, 0, sizeof(LONG) * naxes); - effect->rglDirection = rglDir; - - switch (dir->type) { - case SDL_HAPTIC_POLAR: - effect->dwFlags |= FFEFF_POLAR; - rglDir[0] = dir->dir[0]; - return 0; - case SDL_HAPTIC_CARTESIAN: - effect->dwFlags |= FFEFF_CARTESIAN; - rglDir[0] = dir->dir[0]; - if (naxes > 1) - rglDir[1] = dir->dir[1]; - if (naxes > 2) - rglDir[2] = dir->dir[2]; - return 0; - case SDL_HAPTIC_SPHERICAL: - effect->dwFlags |= FFEFF_SPHERICAL; - rglDir[0] = dir->dir[0]; - if (naxes > 1) - rglDir[1] = dir->dir[1]; - if (naxes > 2) - rglDir[2] = dir->dir[2]; - return 0; - - default: - SDL_SetError("Haptic: Unknown direction type."); - return -1; - } -} - - -/* Clamps and converts. */ -#define CCONVERT(x) (((x) > 0x7FFF) ? 10000 : ((x)*10000) / 0x7FFF) -/* Just converts. */ -#define CONVERT(x) (((x)*10000) / 0x7FFF) -/* - * Creates the FFEFFECT from a SDL_HapticEffect. - */ -static int -SDL_SYS_ToFFEFFECT(SDL_Haptic * haptic, FFEFFECT * dest, - SDL_HapticEffect * src) -{ - int i; - FFCONSTANTFORCE *constant; - FFPERIODIC *periodic; - FFCONDITION *condition; /* Actually an array of conditions - one per axis. */ - FFRAMPFORCE *ramp; - FFCUSTOMFORCE *custom; - FFENVELOPE *envelope; - SDL_HapticConstant *hap_constant; - SDL_HapticPeriodic *hap_periodic; - SDL_HapticCondition *hap_condition; - SDL_HapticRamp *hap_ramp; - SDL_HapticCustom *hap_custom; - DWORD *axes; - - /* Set global stuff. */ - SDL_memset(dest, 0, sizeof(FFEFFECT)); - dest->dwSize = sizeof(FFEFFECT); /* Set the structure size. */ - dest->dwSamplePeriod = 0; /* Not used by us. */ - dest->dwGain = 10000; /* Gain is set globally, not locally. */ - dest->dwFlags = FFEFF_OBJECTOFFSETS; /* Seems obligatory. */ - - /* Envelope. */ - envelope = SDL_malloc(sizeof(FFENVELOPE)); - if (envelope == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(envelope, 0, sizeof(FFENVELOPE)); - dest->lpEnvelope = envelope; - envelope->dwSize = sizeof(FFENVELOPE); /* Always should be this. */ - - /* Axes. */ - dest->cAxes = haptic->naxes; - if (dest->cAxes > 0) { - axes = SDL_malloc(sizeof(DWORD) * dest->cAxes); - if (axes == NULL) { - SDL_OutOfMemory(); - return -1; - } - axes[0] = haptic->hwdata->axes[0]; /* Always at least one axis. */ - if (dest->cAxes > 1) { - axes[1] = haptic->hwdata->axes[1]; - } - if (dest->cAxes > 2) { - axes[2] = haptic->hwdata->axes[2]; - } - dest->rgdwAxes = axes; - } - - - /* The big type handling switch, even bigger then linux's version. */ - switch (src->type) { - case SDL_HAPTIC_CONSTANT: - hap_constant = &src->constant; - constant = SDL_malloc(sizeof(FFCONSTANTFORCE)); - if (constant == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(constant, 0, sizeof(FFCONSTANTFORCE)); - - /* Specifics */ - constant->lMagnitude = CONVERT(hap_constant->level); - dest->cbTypeSpecificParams = sizeof(FFCONSTANTFORCE); - dest->lpvTypeSpecificParams = constant; - - /* Generics */ - dest->dwDuration = hap_constant->length * 1000; /* In microseconds. */ - dest->dwTriggerButton = FFGetTriggerButton(hap_constant->button); - dest->dwTriggerRepeatInterval = hap_constant->interval; - dest->dwStartDelay = hap_constant->delay * 1000; /* In microseconds. */ - - /* Direction. */ - if (SDL_SYS_SetDirection(dest, &hap_constant->direction, dest->cAxes) - < 0) { - return -1; - } - - /* Envelope */ - if ((hap_constant->attack_length == 0) - && (hap_constant->fade_length == 0)) { - SDL_free(envelope); - dest->lpEnvelope = NULL; - } else { - envelope->dwAttackLevel = CCONVERT(hap_constant->attack_level); - envelope->dwAttackTime = hap_constant->attack_length * 1000; - envelope->dwFadeLevel = CCONVERT(hap_constant->fade_level); - envelope->dwFadeTime = hap_constant->fade_length * 1000; - } - - break; - - case SDL_HAPTIC_SINE: - case SDL_HAPTIC_SQUARE: - case SDL_HAPTIC_TRIANGLE: - case SDL_HAPTIC_SAWTOOTHUP: - case SDL_HAPTIC_SAWTOOTHDOWN: - hap_periodic = &src->periodic; - periodic = SDL_malloc(sizeof(FFPERIODIC)); - if (periodic == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(periodic, 0, sizeof(FFPERIODIC)); - - /* Specifics */ - periodic->dwMagnitude = CONVERT(hap_periodic->magnitude); - periodic->lOffset = CONVERT(hap_periodic->offset); - periodic->dwPhase = hap_periodic->phase; - periodic->dwPeriod = hap_periodic->period * 1000; - dest->cbTypeSpecificParams = sizeof(FFPERIODIC); - dest->lpvTypeSpecificParams = periodic; - - /* Generics */ - dest->dwDuration = hap_periodic->length * 1000; /* In microseconds. */ - dest->dwTriggerButton = FFGetTriggerButton(hap_periodic->button); - dest->dwTriggerRepeatInterval = hap_periodic->interval; - dest->dwStartDelay = hap_periodic->delay * 1000; /* In microseconds. */ - - /* Direction. */ - if (SDL_SYS_SetDirection(dest, &hap_periodic->direction, dest->cAxes) - < 0) { - return -1; - } - - /* Envelope */ - if ((hap_periodic->attack_length == 0) - && (hap_periodic->fade_length == 0)) { - SDL_free(envelope); - dest->lpEnvelope = NULL; - } else { - envelope->dwAttackLevel = CCONVERT(hap_periodic->attack_level); - envelope->dwAttackTime = hap_periodic->attack_length * 1000; - envelope->dwFadeLevel = CCONVERT(hap_periodic->fade_level); - envelope->dwFadeTime = hap_periodic->fade_length * 1000; - } - - break; - - case SDL_HAPTIC_SPRING: - case SDL_HAPTIC_DAMPER: - case SDL_HAPTIC_INERTIA: - case SDL_HAPTIC_FRICTION: - hap_condition = &src->condition; - condition = SDL_malloc(sizeof(FFCONDITION) * dest->cAxes); - if (condition == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(condition, 0, sizeof(FFCONDITION)); - - /* Specifics */ - for (i = 0; i < dest->cAxes; i++) { - condition[i].lOffset = CONVERT(hap_condition->center[i]); - condition[i].lPositiveCoefficient = - CONVERT(hap_condition->right_coeff[i]); - condition[i].lNegativeCoefficient = - CONVERT(hap_condition->left_coeff[i]); - condition[i].dwPositiveSaturation = - CCONVERT(hap_condition->right_sat[i]); - condition[i].dwNegativeSaturation = - CCONVERT(hap_condition->left_sat[i]); - condition[i].lDeadBand = CCONVERT(hap_condition->deadband[i]); - } - dest->cbTypeSpecificParams = sizeof(FFCONDITION) * dest->cAxes; - dest->lpvTypeSpecificParams = condition; - - /* Generics */ - dest->dwDuration = hap_condition->length * 1000; /* In microseconds. */ - dest->dwTriggerButton = FFGetTriggerButton(hap_condition->button); - dest->dwTriggerRepeatInterval = hap_condition->interval; - dest->dwStartDelay = hap_condition->delay * 1000; /* In microseconds. */ - - /* Direction. */ - if (SDL_SYS_SetDirection(dest, &hap_condition->direction, dest->cAxes) - < 0) { - return -1; - } - - /* Envelope - Not actually supported by most CONDITION implementations. */ - SDL_free(dest->lpEnvelope); - dest->lpEnvelope = NULL; - - break; - - case SDL_HAPTIC_RAMP: - hap_ramp = &src->ramp; - ramp = SDL_malloc(sizeof(FFRAMPFORCE)); - if (ramp == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(ramp, 0, sizeof(FFRAMPFORCE)); - - /* Specifics */ - ramp->lStart = CONVERT(hap_ramp->start); - ramp->lEnd = CONVERT(hap_ramp->end); - dest->cbTypeSpecificParams = sizeof(FFRAMPFORCE); - dest->lpvTypeSpecificParams = ramp; - - /* Generics */ - dest->dwDuration = hap_ramp->length * 1000; /* In microseconds. */ - dest->dwTriggerButton = FFGetTriggerButton(hap_ramp->button); - dest->dwTriggerRepeatInterval = hap_ramp->interval; - dest->dwStartDelay = hap_ramp->delay * 1000; /* In microseconds. */ - - /* Direction. */ - if (SDL_SYS_SetDirection(dest, &hap_ramp->direction, dest->cAxes) < 0) { - return -1; - } - - /* Envelope */ - if ((hap_ramp->attack_length == 0) && (hap_ramp->fade_length == 0)) { - SDL_free(envelope); - dest->lpEnvelope = NULL; - } else { - envelope->dwAttackLevel = CCONVERT(hap_ramp->attack_level); - envelope->dwAttackTime = hap_ramp->attack_length * 1000; - envelope->dwFadeLevel = CCONVERT(hap_ramp->fade_level); - envelope->dwFadeTime = hap_ramp->fade_length * 1000; - } - - break; - - case SDL_HAPTIC_CUSTOM: - hap_custom = &src->custom; - custom = SDL_malloc(sizeof(FFCUSTOMFORCE)); - if (custom == NULL) { - SDL_OutOfMemory(); - return -1; - } - SDL_memset(custom, 0, sizeof(FFCUSTOMFORCE)); - - /* Specifics */ - custom->cChannels = hap_custom->channels; - custom->dwSamplePeriod = hap_custom->period * 1000; - custom->cSamples = hap_custom->samples; - custom->rglForceData = - SDL_malloc(sizeof(LONG) * custom->cSamples * custom->cChannels); - for (i = 0; i < hap_custom->samples * hap_custom->channels; i++) { /* Copy data. */ - custom->rglForceData[i] = CCONVERT(hap_custom->data[i]); - } - dest->cbTypeSpecificParams = sizeof(FFCUSTOMFORCE); - dest->lpvTypeSpecificParams = custom; - - /* Generics */ - dest->dwDuration = hap_custom->length * 1000; /* In microseconds. */ - dest->dwTriggerButton = FFGetTriggerButton(hap_custom->button); - dest->dwTriggerRepeatInterval = hap_custom->interval; - dest->dwStartDelay = hap_custom->delay * 1000; /* In microseconds. */ - - /* Direction. */ - if (SDL_SYS_SetDirection(dest, &hap_custom->direction, dest->cAxes) < - 0) { - return -1; - } - - /* Envelope */ - if ((hap_custom->attack_length == 0) - && (hap_custom->fade_length == 0)) { - SDL_free(envelope); - dest->lpEnvelope = NULL; - } else { - envelope->dwAttackLevel = CCONVERT(hap_custom->attack_level); - envelope->dwAttackTime = hap_custom->attack_length * 1000; - envelope->dwFadeLevel = CCONVERT(hap_custom->fade_level); - envelope->dwFadeTime = hap_custom->fade_length * 1000; - } - - break; - - - default: - SDL_SetError("Haptic: Unknown effect type."); - return -1; - } - - return 0; -} - - -/* - * Frees an FFEFFECT allocated by SDL_SYS_ToFFEFFECT. - */ -static void -SDL_SYS_HapticFreeFFEFFECT(FFEFFECT * effect, int type) -{ - FFCUSTOMFORCE *custom; - - if (effect->lpEnvelope != NULL) { - SDL_free(effect->lpEnvelope); - effect->lpEnvelope = NULL; - } - if (effect->rgdwAxes != NULL) { - SDL_free(effect->rgdwAxes); - effect->rgdwAxes = NULL; - } - if (effect->lpvTypeSpecificParams != NULL) { - if (type == SDL_HAPTIC_CUSTOM) { /* Must free the custom data. */ - custom = (FFCUSTOMFORCE *) effect->lpvTypeSpecificParams; - SDL_free(custom->rglForceData); - custom->rglForceData = NULL; - } - SDL_free(effect->lpvTypeSpecificParams); - effect->lpvTypeSpecificParams = NULL; - } - if (effect->rglDirection != NULL) { - SDL_free(effect->rglDirection); - effect->rglDirection = NULL; - } -} - - -/* - * Gets the effect type from the generic SDL haptic effect wrapper. - */ -CFUUIDRef -SDL_SYS_HapticEffectType(Uint16 type) -{ - switch (type) { - case SDL_HAPTIC_CONSTANT: - return kFFEffectType_ConstantForce_ID; - - case SDL_HAPTIC_RAMP: - return kFFEffectType_RampForce_ID; - - case SDL_HAPTIC_SQUARE: - return kFFEffectType_Square_ID; - - case SDL_HAPTIC_SINE: - return kFFEffectType_Sine_ID; - - case SDL_HAPTIC_TRIANGLE: - return kFFEffectType_Triangle_ID; - - case SDL_HAPTIC_SAWTOOTHUP: - return kFFEffectType_SawtoothUp_ID; - - case SDL_HAPTIC_SAWTOOTHDOWN: - return kFFEffectType_SawtoothDown_ID; - - case SDL_HAPTIC_SPRING: - return kFFEffectType_Spring_ID; - - case SDL_HAPTIC_DAMPER: - return kFFEffectType_Damper_ID; - - case SDL_HAPTIC_INERTIA: - return kFFEffectType_Inertia_ID; - - case SDL_HAPTIC_FRICTION: - return kFFEffectType_Friction_ID; - - case SDL_HAPTIC_CUSTOM: - return kFFEffectType_CustomForce_ID; - - default: - SDL_SetError("Haptic: Unknown effect type."); - return NULL; - } -} - - -/* - * Creates a new haptic effect. - */ -int -SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect, - SDL_HapticEffect * base) -{ - HRESULT ret; - CFUUIDRef type; - - /* Alloc the effect. */ - effect->hweffect = (struct haptic_hweffect *) - SDL_malloc(sizeof(struct haptic_hweffect)); - if (effect->hweffect == NULL) { - SDL_OutOfMemory(); - goto err_hweffect; - } - - /* Get the type. */ - type = SDL_SYS_HapticEffectType(base->type); - if (type == NULL) { - goto err_hweffect; - } - - /* Get the effect. */ - if (SDL_SYS_ToFFEFFECT(haptic, &effect->hweffect->effect, base) < 0) { - goto err_effectdone; - } - - /* Create the actual effect. */ - ret = FFDeviceCreateEffect(haptic->hwdata->device, type, - &effect->hweffect->effect, - &effect->hweffect->ref); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to create effect: %s.", FFStrError(ret)); - goto err_effectdone; - } - - return 0; - - err_effectdone: - SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, base->type); - err_hweffect: - if (effect->hweffect != NULL) { - SDL_free(effect->hweffect); - effect->hweffect = NULL; - } - return -1; -} - - -/* - * Updates an effect. - */ -int -SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, - struct haptic_effect *effect, - SDL_HapticEffect * data) -{ - HRESULT ret; - FFEffectParameterFlag flags; - FFEFFECT temp; - - /* Get the effect. */ - SDL_memset(&temp, 0, sizeof(FFEFFECT)); - if (SDL_SYS_ToFFEFFECT(haptic, &temp, data) < 0) { - goto err_update; - } - - /* Set the flags. Might be worthwhile to diff temp with loaded effect and - * only change those parameters. */ - flags = FFEP_DIRECTION | - FFEP_DURATION | - FFEP_ENVELOPE | - FFEP_STARTDELAY | - FFEP_TRIGGERBUTTON | - FFEP_TRIGGERREPEATINTERVAL | FFEP_TYPESPECIFICPARAMS; - - /* Create the actual effect. */ - ret = FFEffectSetParameters(effect->hweffect->ref, &temp, flags); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to update effect: %s.", FFStrError(ret)); - goto err_update; - } - - /* Copy it over. */ - SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, data->type); - SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(FFEFFECT)); - - return 0; - - err_update: - SDL_SYS_HapticFreeFFEFFECT(&temp, data->type); - return -1; -} - - -/* - * Runs an effect. - */ -int -SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect, - Uint32 iterations) -{ - HRESULT ret; - Uint32 iter; - - /* Check if it's infinite. */ - if (iterations == SDL_HAPTIC_INFINITY) { - iter = FF_INFINITE; - } else - iter = iterations; - - /* Run the effect. */ - ret = FFEffectStart(effect->hweffect->ref, iter, 0); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to run the effect: %s.", - FFStrError(ret)); - return -1; - } - - return 0; -} - - -/* - * Stops an effect. - */ -int -SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect) -{ - HRESULT ret; - - ret = FFEffectStop(effect->hweffect->ref); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to stop the effect: %s.", - FFStrError(ret)); - return -1; - } - - return 0; -} - - -/* - * Frees the effect. - */ -void -SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect) -{ - HRESULT ret; - - ret = - FFDeviceReleaseEffect(haptic->hwdata->device, effect->hweffect->ref); - if (ret != FF_OK) { - SDL_SetError("Haptic: Error removing the effect from the device: %s.", - FFStrError(ret)); - } - SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, - effect->effect.type); - SDL_free(effect->hweffect); - effect->hweffect = NULL; -} - - -/* - * Gets the status of a haptic effect. - */ -int -SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, - struct haptic_effect *effect) -{ - HRESULT ret; - FFEffectStatusFlag status; - - ret = FFEffectGetEffectStatus(effect->hweffect->ref, &status); - if (ret != FF_OK) { - SDL_SetError("Haptic: Unable to get effect status: %s.", - FFStrError(ret)); - return -1; - } - - if (status == 0) - return SDL_FALSE; - return SDL_TRUE; /* Assume it's playing or emulated. */ -} - - -/* - * Sets the gain. - */ -int -SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain) -{ - HRESULT ret; - Uint32 val; - - val = gain * 100; /* Mac OS X uses 0 to 10,000 */ - ret = - FFDeviceSetForceFeedbackProperty(haptic->hwdata->device, - FFPROP_FFGAIN, &val); - if (ret != FF_OK) { - SDL_SetError("Haptic: Error setting gain: %s.", FFStrError(ret)); - return -1; - } - - return 0; -} - - -/* - * Sets the autocentering. - */ -int -SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter) -{ - HRESULT ret; - Uint32 val; - - /* Mac OS X only has 0 (off) and 1 (on) */ - if (autocenter == 0) - val = 0; - else - val = 1; - - ret = FFDeviceSetForceFeedbackProperty(haptic->hwdata->device, - FFPROP_AUTOCENTER, &val); - if (ret != FF_OK) { - SDL_SetError("Haptic: Error setting autocenter: %s.", - FFStrError(ret)); - return -1; - } - - return 0; -} - - -/* - * Pauses the device. - */ -int -SDL_SYS_HapticPause(SDL_Haptic * haptic) -{ - HRESULT ret; - - ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, - FFSFFC_PAUSE); - if (ret != FF_OK) { - SDL_SetError("Haptic: Error pausing device: %s.", FFStrError(ret)); - return -1; - } - - return 0; -} - - -/* - * Unpauses the device. - */ -int -SDL_SYS_HapticUnpause(SDL_Haptic * haptic) -{ - HRESULT ret; - - ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, - FFSFFC_CONTINUE); - if (ret != FF_OK) { - SDL_SetError("Haptic: Error pausing device: %s.", FFStrError(ret)); - return -1; - } - - return 0; -} - - -/* - * Stops all currently playing effects. - */ -int -SDL_SYS_HapticStopAll(SDL_Haptic * haptic) -{ - HRESULT ret; - - ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, - FFSFFC_STOPALL); - if (ret != FF_OK) { - SDL_SetError("Haptic: Error stopping device: %s.", FFStrError(ret)); - return -1; - } - - return 0; -} - - -#endif /* SDL_HAPTIC_IOKIT */ diff --git a/macosx/plugins/Common/SDL/src/joystick/SDL_joystick.c b/macosx/plugins/Common/SDL/src/joystick/SDL_joystick.c deleted file mode 100644 index a34744a1..00000000 --- a/macosx/plugins/Common/SDL/src/joystick/SDL_joystick.c +++ /dev/null @@ -1,503 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* This is the joystick API for Simple DirectMedia Layer */ -#include "SDL.h" -#include "SDL_sysjoystick.h" -#include "SDL_joystick_c.h" - -/* This is used for Quake III Arena */ -#define SDL_Lock_EventThread() -#define SDL_Unlock_EventThread() - -Uint8 SDL_numjoysticks = 0; -SDL_Joystick **SDL_joysticks = NULL; -static SDL_Joystick *default_joystick = NULL; - -int -SDL_JoystickInit(void) -{ - int arraylen; - int status; - - SDL_numjoysticks = 0; - status = SDL_SYS_JoystickInit(); - if (status >= 0) { - arraylen = (status + 1) * sizeof(*SDL_joysticks); - SDL_joysticks = (SDL_Joystick **) SDL_malloc(arraylen); - if (SDL_joysticks == NULL) { - SDL_numjoysticks = 0; - } else { - SDL_memset(SDL_joysticks, 0, arraylen); - SDL_numjoysticks = status; - } - status = 0; - } - default_joystick = NULL; - return (status); -} - -/* - * Count the number of joysticks attached to the system - */ -int -SDL_NumJoysticks(void) -{ - return SDL_numjoysticks; -} - -/* - * Get the implementation dependent name of a joystick - */ -const char * -SDL_JoystickName(int device_index) -{ - if ((device_index < 0) || (device_index >= SDL_numjoysticks)) { - SDL_SetError("There are %d joysticks available", SDL_numjoysticks); - return (NULL); - } - return (SDL_SYS_JoystickName(device_index)); -} - -/* - * Open a joystick for use - the index passed as an argument refers to - * the N'th joystick on the system. This index is the value which will - * identify this joystick in future joystick events. - * - * This function returns a joystick identifier, or NULL if an error occurred. - */ -SDL_Joystick * -SDL_JoystickOpen(int device_index) -{ - int i; - SDL_Joystick *joystick; - - if ((device_index < 0) || (device_index >= SDL_numjoysticks)) { - SDL_SetError("There are %d joysticks available", SDL_numjoysticks); - return (NULL); - } - - /* If the joystick is already open, return it */ - for (i = 0; SDL_joysticks[i]; ++i) { - if (device_index == SDL_joysticks[i]->index) { - joystick = SDL_joysticks[i]; - ++joystick->ref_count; - return (joystick); - } - } - - /* Create and initialize the joystick */ - joystick = (SDL_Joystick *) SDL_malloc((sizeof *joystick)); - if (joystick == NULL) { - SDL_OutOfMemory(); - return NULL; - } - - SDL_memset(joystick, 0, (sizeof *joystick)); - joystick->index = device_index; - if (SDL_SYS_JoystickOpen(joystick) < 0) { - SDL_free(joystick); - return NULL; - } - if (joystick->naxes > 0) { - joystick->axes = (Sint16 *) SDL_malloc - (joystick->naxes * sizeof(Sint16)); - } - if (joystick->nhats > 0) { - joystick->hats = (Uint8 *) SDL_malloc - (joystick->nhats * sizeof(Uint8)); - } - if (joystick->nballs > 0) { - joystick->balls = (struct balldelta *) SDL_malloc - (joystick->nballs * sizeof(*joystick->balls)); - } - if (joystick->nbuttons > 0) { - joystick->buttons = (Uint8 *) SDL_malloc - (joystick->nbuttons * sizeof(Uint8)); - } - if (((joystick->naxes > 0) && !joystick->axes) - || ((joystick->nhats > 0) && !joystick->hats) - || ((joystick->nballs > 0) && !joystick->balls) - || ((joystick->nbuttons > 0) && !joystick->buttons)) { - SDL_OutOfMemory(); - SDL_JoystickClose(joystick); - return NULL; - } - if (joystick->axes) { - SDL_memset(joystick->axes, 0, joystick->naxes * sizeof(Sint16)); - } - if (joystick->hats) { - SDL_memset(joystick->hats, 0, joystick->nhats * sizeof(Uint8)); - } - if (joystick->balls) { - SDL_memset(joystick->balls, 0, - joystick->nballs * sizeof(*joystick->balls)); - } - if (joystick->buttons) { - SDL_memset(joystick->buttons, 0, joystick->nbuttons * sizeof(Uint8)); - } - - /* Add joystick to list */ - ++joystick->ref_count; - SDL_Lock_EventThread(); - for (i = 0; SDL_joysticks[i]; ++i) - /* Skip to next joystick */ ; - SDL_joysticks[i] = joystick; - SDL_Unlock_EventThread(); - - return (joystick); -} - -/* - * Returns 1 if the joystick has been opened, or 0 if it has not. - */ -int -SDL_JoystickOpened(int device_index) -{ - int i, opened; - - opened = 0; - for (i = 0; SDL_joysticks[i]; ++i) { - if (SDL_joysticks[i]->index == (Uint8) device_index) { - opened = 1; - break; - } - } - return (opened); -} - - -/* - * Checks to make sure the joystick is valid. - */ -int -SDL_PrivateJoystickValid(SDL_Joystick ** joystick) -{ - int valid; - - if (*joystick == NULL) { - *joystick = default_joystick; - } - if (*joystick == NULL) { - SDL_SetError("Joystick hasn't been opened yet"); - valid = 0; - } else { - valid = 1; - } - return valid; -} - -/* - * Get the device index of an opened joystick. - */ -int -SDL_JoystickIndex(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->index); -} - -/* - * Get the number of multi-dimensional axis controls on a joystick - */ -int -SDL_JoystickNumAxes(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->naxes); -} - -/* - * Get the number of hats on a joystick - */ -int -SDL_JoystickNumHats(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->nhats); -} - -/* - * Get the number of trackballs on a joystick - */ -int -SDL_JoystickNumBalls(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->nballs); -} - -/* - * Get the number of buttons on a joystick - */ -int -SDL_JoystickNumButtons(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->nbuttons); -} - -/* - * Get the current state of an axis control on a joystick - */ -Sint16 -SDL_JoystickGetAxis(SDL_Joystick * joystick, int axis) -{ - Sint16 state; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (0); - } - if (axis < joystick->naxes) { - state = joystick->axes[axis]; - } else { - SDL_SetError("Joystick only has %d axes", joystick->naxes); - state = 0; - } - return (state); -} - -/* - * Get the current state of a hat on a joystick - */ -Uint8 -SDL_JoystickGetHat(SDL_Joystick * joystick, int hat) -{ - Uint8 state; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (0); - } - if (hat < joystick->nhats) { - state = joystick->hats[hat]; - } else { - SDL_SetError("Joystick only has %d hats", joystick->nhats); - state = 0; - } - return (state); -} - -/* - * Get the ball axis change since the last poll - */ -int -SDL_JoystickGetBall(SDL_Joystick * joystick, int ball, int *dx, int *dy) -{ - int retval; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - - retval = 0; - if (ball < joystick->nballs) { - if (dx) { - *dx = joystick->balls[ball].dx; - } - if (dy) { - *dy = joystick->balls[ball].dy; - } - joystick->balls[ball].dx = 0; - joystick->balls[ball].dy = 0; - } else { - SDL_SetError("Joystick only has %d balls", joystick->nballs); - retval = -1; - } - return (retval); -} - -/* - * Get the current state of a button on a joystick - */ -Uint8 -SDL_JoystickGetButton(SDL_Joystick * joystick, int button) -{ - Uint8 state; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (0); - } - if (button < joystick->nbuttons) { - state = joystick->buttons[button]; - } else { - SDL_SetError("Joystick only has %d buttons", joystick->nbuttons); - state = 0; - } - return (state); -} - -/* - * Close a joystick previously opened with SDL_JoystickOpen() - */ -void -SDL_JoystickClose(SDL_Joystick * joystick) -{ - int i; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return; - } - - /* First decrement ref count */ - if (--joystick->ref_count > 0) { - return; - } - - /* Lock the event queue - prevent joystick polling */ - SDL_Lock_EventThread(); - - if (joystick == default_joystick) { - default_joystick = NULL; - } - SDL_SYS_JoystickClose(joystick); - - /* Remove joystick from list */ - for (i = 0; SDL_joysticks[i]; ++i) { - if (joystick == SDL_joysticks[i]) { - SDL_memmove(&SDL_joysticks[i], &SDL_joysticks[i + 1], - (SDL_numjoysticks - i) * sizeof(joystick)); - break; - } - } - - /* Let the event thread keep running */ - SDL_Unlock_EventThread(); - - /* Free the data associated with this joystick */ - if (joystick->axes) { - SDL_free(joystick->axes); - } - if (joystick->hats) { - SDL_free(joystick->hats); - } - if (joystick->balls) { - SDL_free(joystick->balls); - } - if (joystick->buttons) { - SDL_free(joystick->buttons); - } - SDL_free(joystick); -} - -void -SDL_JoystickQuit(void) -{ - /* Stop the event polling */ - SDL_Lock_EventThread(); - SDL_numjoysticks = 0; - SDL_Unlock_EventThread(); - - /* Quit the joystick setup */ - SDL_SYS_JoystickQuit(); - if (SDL_joysticks) { - SDL_free(SDL_joysticks); - SDL_joysticks = NULL; - } -} - - -/* These are global for SDL_sysjoystick.c and SDL_events.c */ - -int -SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value) -{ - int posted; - - /* Update internal joystick state */ - joystick->axes[axis] = value; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -int -SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value) -{ - int posted; - - /* Update internal joystick state */ - joystick->hats[hat] = value; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -int -SDL_PrivateJoystickBall(SDL_Joystick * joystick, Uint8 ball, - Sint16 xrel, Sint16 yrel) -{ - int posted; - - /* Update internal mouse state */ - joystick->balls[ball].dx += xrel; - joystick->balls[ball].dy += yrel; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -int -SDL_PrivateJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state) -{ - int posted; - - /* Update internal joystick state */ - joystick->buttons[button] = state; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -void -SDL_JoystickUpdate(void) -{ - int i; - - for (i = 0; SDL_joysticks[i]; ++i) { - SDL_SYS_JoystickUpdate(SDL_joysticks[i]); - } -} - -int -SDL_JoystickEventState(int state) -{ - return SDL_IGNORE; -} diff --git a/macosx/plugins/Common/SDL/src/joystick/SDL_joystick_c.h b/macosx/plugins/Common/SDL/src/joystick/SDL_joystick_c.h deleted file mode 100644 index 802de97a..00000000 --- a/macosx/plugins/Common/SDL/src/joystick/SDL_joystick_c.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Useful functions and variables from SDL_joystick.c */ -#include "SDL_joystick.h" - -/* The number of available joysticks on the system */ -extern Uint8 SDL_numjoysticks; - -/* Initialization and shutdown functions */ -extern int SDL_JoystickInit(void); -extern void SDL_JoystickQuit(void); - -/* Internal event queueing functions */ -extern int SDL_PrivateJoystickAxis(SDL_Joystick * joystick, - Uint8 axis, Sint16 value); -extern int SDL_PrivateJoystickBall(SDL_Joystick * joystick, - Uint8 ball, Sint16 xrel, Sint16 yrel); -extern int SDL_PrivateJoystickHat(SDL_Joystick * joystick, - Uint8 hat, Uint8 value); -extern int SDL_PrivateJoystickButton(SDL_Joystick * joystick, - Uint8 button, Uint8 state); - -/* Internal sanity checking functions */ -extern int SDL_PrivateJoystickValid(SDL_Joystick ** joystick); - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/joystick/SDL_sysjoystick.h b/macosx/plugins/Common/SDL/src/joystick/SDL_sysjoystick.h deleted file mode 100644 index c4601572..00000000 --- a/macosx/plugins/Common/SDL/src/joystick/SDL_sysjoystick.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is SDL_free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* This is the system specific header for the SDL joystick API */ - -#include "SDL_joystick.h" - -/* The SDL joystick structure */ -struct _SDL_Joystick -{ - Uint8 index; /* Device index */ - const char *name; /* Joystick name - system dependent */ - - int naxes; /* Number of axis controls on the joystick */ - Sint16 *axes; /* Current axis states */ - - int nhats; /* Number of hats on the joystick */ - Uint8 *hats; /* Current hat states */ - - int nballs; /* Number of trackballs on the joystick */ - struct balldelta - { - int dx; - int dy; - } *balls; /* Current ball motion deltas */ - - int nbuttons; /* Number of buttons on the joystick */ - Uint8 *buttons; /* Current button states */ - - struct joystick_hwdata *hwdata; /* Driver dependent information */ - - int ref_count; /* Reference count for multiple opens */ -}; - -/* Function to scan the system for joysticks. - * Joystick 0 should be the system default joystick. - * This function should return the number of available joysticks, or -1 - * on an unrecoverable fatal error. - */ -extern int SDL_SYS_JoystickInit(void); - -/* Function to get the device-dependent name of a joystick */ -extern const char *SDL_SYS_JoystickName(int index); - -/* Function to open a joystick for use. - The joystick to open is specified by the index field of the joystick. - This should fill the nbuttons and naxes fields of the joystick structure. - It returns 0, or -1 if there is an error. - */ -extern int SDL_SYS_JoystickOpen(SDL_Joystick * joystick); - -/* Function to update the state of a joystick - called as a device poll. - * This function shouldn't update the joystick structure directly, - * but instead should call SDL_PrivateJoystick*() to deliver events - * and update joystick device state. - */ -extern void SDL_SYS_JoystickUpdate(SDL_Joystick * joystick); - -/* Function to close a joystick after use */ -extern void SDL_SYS_JoystickClose(SDL_Joystick * joystick); - -/* Function to perform any system-specific joystick related cleanup */ -extern void SDL_SYS_JoystickQuit(void); - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/joystick/darwin/SDL_sysjoystick.c b/macosx/plugins/Common/SDL/src/joystick/darwin/SDL_sysjoystick.c deleted file mode 100644 index d4a442c2..00000000 --- a/macosx/plugins/Common/SDL/src/joystick/darwin/SDL_sysjoystick.c +++ /dev/null @@ -1,847 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifdef SDL_JOYSTICK_IOKIT - -/* SDL joystick driver for Darwin / Mac OS X, based on the IOKit HID API */ -/* Written 2001 by Max Horn */ - -#include <unistd.h> -#include <ctype.h> -#include <sysexits.h> -#include <mach/mach.h> -#include <mach/mach_error.h> -#include <IOKit/IOKitLib.h> -#include <IOKit/IOCFPlugIn.h> -#ifdef MACOS_10_0_4 -#include <IOKit/hidsystem/IOHIDUsageTables.h> -#else -/* The header was moved here in Mac OS X 10.1 */ -#include <Kernel/IOKit/hidsystem/IOHIDUsageTables.h> -#endif -#include <IOKit/hid/IOHIDLib.h> -#include <IOKit/hid/IOHIDKeys.h> -#include <CoreFoundation/CoreFoundation.h> -#include <Carbon/Carbon.h> /* for NewPtrClear, DisposePtr */ - -/* For force feedback testing. */ -#include <ForceFeedback/ForceFeedback.h> -#include <ForceFeedback/ForceFeedbackConstants.h> - -#include "SDL_joystick.h" -#include "../SDL_sysjoystick.h" -#include "../SDL_joystick_c.h" -#include "SDL_sysjoystick_c.h" - - -/* Linked list of all available devices */ -static recDevice *gpDeviceList = NULL; - - -static void -HIDReportErrorNum(char *strError, long numError) -{ - SDL_SetError(strError); -} - -static void HIDGetCollectionElements(CFMutableDictionaryRef deviceProperties, - recDevice * pDevice); - -/* returns current value for element, polling element - * will return 0 on error conditions which should be accounted for by application - */ - -static SInt32 -HIDGetElementValue(recDevice * pDevice, recElement * pElement) -{ - IOReturn result = kIOReturnSuccess; - IOHIDEventStruct hidEvent; - hidEvent.value = 0; - - if (NULL != pDevice && NULL != pElement && NULL != pDevice->interface) { - result = - (*(pDevice->interface))->getElementValue(pDevice->interface, - pElement->cookie, - &hidEvent); - if (kIOReturnSuccess == result) { - /* record min and max for auto calibration */ - if (hidEvent.value < pElement->minReport) - pElement->minReport = hidEvent.value; - if (hidEvent.value > pElement->maxReport) - pElement->maxReport = hidEvent.value; - } - } - - /* auto user scale */ - return hidEvent.value; -} - -static SInt32 -HIDScaledCalibratedValue(recDevice * pDevice, recElement * pElement, - long min, long max) -{ - float deviceScale = max - min; - float readScale = pElement->maxReport - pElement->minReport; - SInt32 value = HIDGetElementValue(pDevice, pElement); - if (readScale == 0) - return value; /* no scaling at all */ - else - return ((value - pElement->minReport) * deviceScale / readScale) + - min; -} - - -static void -HIDRemovalCallback(void *target, IOReturn result, void *refcon, void *sender) -{ - recDevice *device = (recDevice *) refcon; - device->removed = 1; - device->uncentered = 1; -} - - - -/* Create and open an interface to device, required prior to extracting values or building queues. - * Note: appliction now owns the device and must close and release it prior to exiting - */ - -static IOReturn -HIDCreateOpenDeviceInterface(io_object_t hidDevice, recDevice * pDevice) -{ - IOReturn result = kIOReturnSuccess; - HRESULT plugInResult = S_OK; - SInt32 score = 0; - IOCFPlugInInterface **ppPlugInInterface = NULL; - - if (NULL == pDevice->interface) { - result = - IOCreatePlugInInterfaceForService(hidDevice, - kIOHIDDeviceUserClientTypeID, - kIOCFPlugInInterfaceID, - &ppPlugInInterface, &score); - if (kIOReturnSuccess == result) { - /* Call a method of the intermediate plug-in to create the device interface */ - plugInResult = - (*ppPlugInInterface)->QueryInterface(ppPlugInInterface, - CFUUIDGetUUIDBytes - (kIOHIDDeviceInterfaceID), - (void *) - &(pDevice->interface)); - if (S_OK != plugInResult) - HIDReportErrorNum - ("Couldn�t query HID class device interface from plugInInterface", - plugInResult); - (*ppPlugInInterface)->Release(ppPlugInInterface); - } else - HIDReportErrorNum - ("Failed to create **plugInInterface via IOCreatePlugInInterfaceForService.", - result); - } - if (NULL != pDevice->interface) { - result = (*(pDevice->interface))->open(pDevice->interface, 0); - if (kIOReturnSuccess != result) - HIDReportErrorNum - ("Failed to open pDevice->interface via open.", result); - else - (*(pDevice->interface))->setRemovalCallback(pDevice->interface, - HIDRemovalCallback, - pDevice, pDevice); - - } - return result; -} - -/* Closes and releases interface to device, should be done prior to exting application - * Note: will have no affect if device or interface do not exist - * application will "own" the device if interface is not closed - * (device may have to be plug and re-plugged in different location to get it working again without a restart) - */ - -static IOReturn -HIDCloseReleaseInterface(recDevice * pDevice) -{ - IOReturn result = kIOReturnSuccess; - - if ((NULL != pDevice) && (NULL != pDevice->interface)) { - /* close the interface */ - result = (*(pDevice->interface))->close(pDevice->interface); - if (kIOReturnNotOpen == result) { - /* do nothing as device was not opened, thus can't be closed */ - } else if (kIOReturnSuccess != result) - HIDReportErrorNum("Failed to close IOHIDDeviceInterface.", - result); - /* release the interface */ - result = (*(pDevice->interface))->Release(pDevice->interface); - if (kIOReturnSuccess != result) - HIDReportErrorNum("Failed to release IOHIDDeviceInterface.", - result); - pDevice->interface = NULL; - } - return result; -} - -/* extracts actual specific element information from each element CF dictionary entry */ - -static void -HIDGetElementInfo(CFTypeRef refElement, recElement * pElement) -{ - long number; - CFTypeRef refType; - - refType = CFDictionaryGetValue(refElement, CFSTR(kIOHIDElementCookieKey)); - if (refType && CFNumberGetValue(refType, kCFNumberLongType, &number)) - pElement->cookie = (IOHIDElementCookie) number; - refType = CFDictionaryGetValue(refElement, CFSTR(kIOHIDElementMinKey)); - if (refType && CFNumberGetValue(refType, kCFNumberLongType, &number)) - pElement->minReport = pElement->min = number; - pElement->maxReport = pElement->min; - refType = CFDictionaryGetValue(refElement, CFSTR(kIOHIDElementMaxKey)); - if (refType && CFNumberGetValue(refType, kCFNumberLongType, &number)) - pElement->maxReport = pElement->max = number; -/* - TODO: maybe should handle the following stuff somehow? - - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementScaledMinKey)); - if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number)) - pElement->scaledMin = number; - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementScaledMaxKey)); - if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number)) - pElement->scaledMax = number; - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementSizeKey)); - if (refType && CFNumberGetValue (refType, kCFNumberLongType, &number)) - pElement->size = number; - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementIsRelativeKey)); - if (refType) - pElement->relative = CFBooleanGetValue (refType); - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementIsWrappingKey)); - if (refType) - pElement->wrapping = CFBooleanGetValue (refType); - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementIsNonLinearKey)); - if (refType) - pElement->nonLinear = CFBooleanGetValue (refType); - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementHasPreferedStateKey)); - if (refType) - pElement->preferredState = CFBooleanGetValue (refType); - refType = CFDictionaryGetValue (refElement, CFSTR(kIOHIDElementHasNullStateKey)); - if (refType) - pElement->nullState = CFBooleanGetValue (refType); -*/ -} - -/* examines CF dictionary vlaue in device element hierarchy to determine if it is element of interest or a collection of more elements - * if element of interest allocate storage, add to list and retrieve element specific info - * if collection then pass on to deconstruction collection into additional individual elements - */ - -static void -HIDAddElement(CFTypeRef refElement, recDevice * pDevice) -{ - recElement *element = NULL; - recElement **headElement = NULL; - long elementType, usagePage, usage; - CFTypeRef refElementType = - CFDictionaryGetValue(refElement, CFSTR(kIOHIDElementTypeKey)); - CFTypeRef refUsagePage = - CFDictionaryGetValue(refElement, CFSTR(kIOHIDElementUsagePageKey)); - CFTypeRef refUsage = - CFDictionaryGetValue(refElement, CFSTR(kIOHIDElementUsageKey)); - - - if ((refElementType) - && - (CFNumberGetValue(refElementType, kCFNumberLongType, &elementType))) { - /* look at types of interest */ - if ((elementType == kIOHIDElementTypeInput_Misc) - || (elementType == kIOHIDElementTypeInput_Button) - || (elementType == kIOHIDElementTypeInput_Axis)) { - if (refUsagePage - && CFNumberGetValue(refUsagePage, kCFNumberLongType, - &usagePage) && refUsage - && CFNumberGetValue(refUsage, kCFNumberLongType, &usage)) { - switch (usagePage) { /* only interested in kHIDPage_GenericDesktop and kHIDPage_Button */ - case kHIDPage_GenericDesktop: - { - switch (usage) { /* look at usage to determine function */ - case kHIDUsage_GD_X: - case kHIDUsage_GD_Y: - case kHIDUsage_GD_Z: - case kHIDUsage_GD_Rx: - case kHIDUsage_GD_Ry: - case kHIDUsage_GD_Rz: - case kHIDUsage_GD_Slider: - case kHIDUsage_GD_Dial: - case kHIDUsage_GD_Wheel: - element = (recElement *) - NewPtrClear(sizeof(recElement)); - if (element) { - pDevice->axes++; - headElement = &(pDevice->firstAxis); - } - break; - case kHIDUsage_GD_Hatswitch: - element = (recElement *) - NewPtrClear(sizeof(recElement)); - if (element) { - pDevice->hats++; - headElement = &(pDevice->firstHat); - } - break; - } - } - break; - case kHIDPage_Button: - element = (recElement *) - NewPtrClear(sizeof(recElement)); - if (element) { - pDevice->buttons++; - headElement = &(pDevice->firstButton); - } - break; - default: - break; - } - } - } else if (kIOHIDElementTypeCollection == elementType) - HIDGetCollectionElements((CFMutableDictionaryRef) refElement, - pDevice); - } - - if (element && headElement) { /* add to list */ - recElement *elementPrevious = NULL; - recElement *elementCurrent = *headElement; - while (elementCurrent && usage >= elementCurrent->usage) { - elementPrevious = elementCurrent; - elementCurrent = elementCurrent->pNext; - } - if (elementPrevious) { - elementPrevious->pNext = element; - } else { - *headElement = element; - } - element->usagePage = usagePage; - element->usage = usage; - element->pNext = elementCurrent; - HIDGetElementInfo(refElement, element); - pDevice->elements++; - } -} - -/* collects information from each array member in device element list (each array memeber = element) */ - -static void -HIDGetElementsCFArrayHandler(const void *value, void *parameter) -{ - if (CFGetTypeID(value) == CFDictionaryGetTypeID()) - HIDAddElement((CFTypeRef) value, (recDevice *) parameter); -} - -/* handles retrieval of element information from arrays of elements in device IO registry information */ - -static void -HIDGetElements(CFTypeRef refElementCurrent, recDevice * pDevice) -{ - CFTypeID type = CFGetTypeID(refElementCurrent); - if (type == CFArrayGetTypeID()) { /* if element is an array */ - CFRange range = { 0, CFArrayGetCount(refElementCurrent) }; - /* CountElementsCFArrayHandler called for each array member */ - CFArrayApplyFunction(refElementCurrent, range, - HIDGetElementsCFArrayHandler, pDevice); - } -} - -/* handles extracting element information from element collection CF types - * used from top level element decoding and hierarchy deconstruction to flatten device element list - */ - -static void -HIDGetCollectionElements(CFMutableDictionaryRef deviceProperties, - recDevice * pDevice) -{ - CFTypeRef refElementTop = - CFDictionaryGetValue(deviceProperties, CFSTR(kIOHIDElementKey)); - if (refElementTop) - HIDGetElements(refElementTop, pDevice); -} - -/* use top level element usage page and usage to discern device usage page and usage setting appropriate vlaues in device record */ - -static void -HIDTopLevelElementHandler(const void *value, void *parameter) -{ - CFTypeRef refCF = 0; - if (CFGetTypeID(value) != CFDictionaryGetTypeID()) - return; - refCF = CFDictionaryGetValue(value, CFSTR(kIOHIDElementUsagePageKey)); - if (!CFNumberGetValue - (refCF, kCFNumberLongType, &((recDevice *) parameter)->usagePage)) - SDL_SetError("CFNumberGetValue error retrieving pDevice->usagePage."); - refCF = CFDictionaryGetValue(value, CFSTR(kIOHIDElementUsageKey)); - if (!CFNumberGetValue - (refCF, kCFNumberLongType, &((recDevice *) parameter)->usage)) - SDL_SetError("CFNumberGetValue error retrieving pDevice->usage."); -} - -/* extracts device info from CF dictionary records in IO registry */ - -static void -HIDGetDeviceInfo(io_object_t hidDevice, CFMutableDictionaryRef hidProperties, - recDevice * pDevice) -{ - CFMutableDictionaryRef usbProperties = 0; - io_registry_entry_t parent1, parent2; - - /* Mac OS X currently is not mirroring all USB properties to HID page so need to look at USB device page also - * get dictionary for usb properties: step up two levels and get CF dictionary for USB properties - */ - if ((KERN_SUCCESS == - IORegistryEntryGetParentEntry(hidDevice, kIOServicePlane, &parent1)) - && (KERN_SUCCESS == - IORegistryEntryGetParentEntry(parent1, kIOServicePlane, &parent2)) - && (KERN_SUCCESS == - IORegistryEntryCreateCFProperties(parent2, &usbProperties, - kCFAllocatorDefault, - kNilOptions))) { - if (usbProperties) { - CFTypeRef refCF = 0; - /* get device info - * try hid dictionary first, if fail then go to usb dictionary - */ - - - /* get product name */ - refCF = - CFDictionaryGetValue(hidProperties, CFSTR(kIOHIDProductKey)); - if (!refCF) - refCF = - CFDictionaryGetValue(usbProperties, - CFSTR("USB Product Name")); - if (refCF) { - if (!CFStringGetCString - (refCF, pDevice->product, 256, - CFStringGetSystemEncoding())) - SDL_SetError - ("CFStringGetCString error retrieving pDevice->product."); - } - - /* get usage page and usage */ - refCF = - CFDictionaryGetValue(hidProperties, - CFSTR(kIOHIDPrimaryUsagePageKey)); - if (refCF) { - if (!CFNumberGetValue - (refCF, kCFNumberLongType, &pDevice->usagePage)) - SDL_SetError - ("CFNumberGetValue error retrieving pDevice->usagePage."); - refCF = - CFDictionaryGetValue(hidProperties, - CFSTR(kIOHIDPrimaryUsageKey)); - if (refCF) - if (!CFNumberGetValue - (refCF, kCFNumberLongType, &pDevice->usage)) - SDL_SetError - ("CFNumberGetValue error retrieving pDevice->usage."); - } - - if (NULL == refCF) { /* get top level element HID usage page or usage */ - /* use top level element instead */ - CFTypeRef refCFTopElement = 0; - refCFTopElement = - CFDictionaryGetValue(hidProperties, - CFSTR(kIOHIDElementKey)); - { - /* refCFTopElement points to an array of element dictionaries */ - CFRange range = { 0, CFArrayGetCount(refCFTopElement) }; - CFArrayApplyFunction(refCFTopElement, range, - HIDTopLevelElementHandler, pDevice); - } - } - - CFRelease(usbProperties); - } else - SDL_SetError - ("IORegistryEntryCreateCFProperties failed to create usbProperties."); - - if (kIOReturnSuccess != IOObjectRelease(parent2)) - SDL_SetError("IOObjectRelease error with parent2."); - if (kIOReturnSuccess != IOObjectRelease(parent1)) - SDL_SetError("IOObjectRelease error with parent1."); - } -} - - -static recDevice * -HIDBuildDevice(io_object_t hidDevice) -{ - recDevice *pDevice = (recDevice *) NewPtrClear(sizeof(recDevice)); - if (pDevice) { - /* get dictionary for HID properties */ - CFMutableDictionaryRef hidProperties = 0; - kern_return_t result = - IORegistryEntryCreateCFProperties(hidDevice, &hidProperties, - kCFAllocatorDefault, - kNilOptions); - if ((result == KERN_SUCCESS) && hidProperties) { - /* create device interface */ - result = HIDCreateOpenDeviceInterface(hidDevice, pDevice); - if (kIOReturnSuccess == result) { - HIDGetDeviceInfo(hidDevice, hidProperties, pDevice); /* hidDevice used to find parents in registry tree */ - HIDGetCollectionElements(hidProperties, pDevice); - } else { - DisposePtr((Ptr) pDevice); - pDevice = NULL; - } - CFRelease(hidProperties); - } else { - DisposePtr((Ptr) pDevice); - pDevice = NULL; - } - } - return pDevice; -} - -/* disposes of the element list associated with a device and the memory associated with the list - */ - -static void -HIDDisposeElementList(recElement ** elementList) -{ - recElement *pElement = *elementList; - while (pElement) { - recElement *pElementNext = pElement->pNext; - DisposePtr((Ptr) pElement); - pElement = pElementNext; - } - *elementList = NULL; -} - -/* disposes of a single device, closing and releaseing interface, freeing memory fro device and elements, setting device pointer to NULL - * all your device no longer belong to us... (i.e., you do not 'own' the device anymore) - */ - -static recDevice * -HIDDisposeDevice(recDevice ** ppDevice) -{ - kern_return_t result = KERN_SUCCESS; - recDevice *pDeviceNext = NULL; - if (*ppDevice) { - /* save next device prior to disposing of this device */ - pDeviceNext = (*ppDevice)->pNext; - - /* free posible io_service_t */ - if ((*ppDevice)->ffservice) { - IOObjectRelease((*ppDevice)->ffservice); - (*ppDevice)->ffservice = 0; - } - - /* free element lists */ - HIDDisposeElementList(&(*ppDevice)->firstAxis); - HIDDisposeElementList(&(*ppDevice)->firstButton); - HIDDisposeElementList(&(*ppDevice)->firstHat); - - result = HIDCloseReleaseInterface(*ppDevice); /* function sanity checks interface value (now application does not own device) */ - if (kIOReturnSuccess != result) - HIDReportErrorNum - ("HIDCloseReleaseInterface failed when trying to dipose device.", - result); - DisposePtr((Ptr) * ppDevice); - *ppDevice = NULL; - } - return pDeviceNext; -} - - -/* Function to scan the system for joysticks. - * Joystick 0 should be the system default joystick. - * This function should return the number of available joysticks, or -1 - * on an unrecoverable fatal error. - */ -int -SDL_SYS_JoystickInit(void) -{ - IOReturn result = kIOReturnSuccess; - mach_port_t masterPort = 0; - io_iterator_t hidObjectIterator = 0; - CFMutableDictionaryRef hidMatchDictionary = NULL; - recDevice *device, *lastDevice; - io_object_t ioHIDDeviceObject = 0; - - SDL_numjoysticks = 0; - - if (gpDeviceList) { - SDL_SetError("Joystick: Device list already inited."); - return -1; - } - - result = IOMasterPort(bootstrap_port, &masterPort); - if (kIOReturnSuccess != result) { - SDL_SetError("Joystick: IOMasterPort error with bootstrap_port."); - return -1; - } - - /* Set up a matching dictionary to search I/O Registry by class name for all HID class devices. */ - hidMatchDictionary = IOServiceMatching(kIOHIDDeviceKey); - if (hidMatchDictionary) { - /* Add key for device type (joystick, in this case) to refine the matching dictionary. */ - - /* NOTE: we now perform this filtering later - UInt32 usagePage = kHIDPage_GenericDesktop; - UInt32 usage = kHIDUsage_GD_Joystick; - CFNumberRef refUsage = NULL, refUsagePage = NULL; - - refUsage = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &usage); - CFDictionarySetValue (hidMatchDictionary, CFSTR (kIOHIDPrimaryUsageKey), refUsage); - refUsagePage = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &usagePage); - CFDictionarySetValue (hidMatchDictionary, CFSTR (kIOHIDPrimaryUsagePageKey), refUsagePage); - */ - } else { - SDL_SetError - ("Joystick: Failed to get HID CFMutableDictionaryRef via IOServiceMatching."); - return -1; - } - - /*/ Now search I/O Registry for matching devices. */ - result = - IOServiceGetMatchingServices(masterPort, hidMatchDictionary, - &hidObjectIterator); - /* Check for errors */ - if (kIOReturnSuccess != result) { - SDL_SetError("Joystick: Couldn't create a HID object iterator."); - return -1; - } - if (!hidObjectIterator) { /* there are no joysticks */ - gpDeviceList = NULL; - SDL_numjoysticks = 0; - return 0; - } - /* IOServiceGetMatchingServices consumes a reference to the dictionary, so we don't need to release the dictionary ref. */ - - /* build flat linked list of devices from device iterator */ - - gpDeviceList = lastDevice = NULL; - - while ((ioHIDDeviceObject = IOIteratorNext(hidObjectIterator))) { - /* build a device record */ - device = HIDBuildDevice(ioHIDDeviceObject); - if (!device) - continue; - - /* Filter device list to non-keyboard/mouse stuff */ - if ((device->usagePage != kHIDPage_GenericDesktop) || - ((device->usage != kHIDUsage_GD_Joystick && - device->usage != kHIDUsage_GD_GamePad && - device->usage != kHIDUsage_GD_MultiAxisController))) { - - /* release memory for the device */ - HIDDisposeDevice(&device); - DisposePtr((Ptr) device); - continue; - } - - /* We have to do some storage of the io_service_t for - * SDL_HapticOpenFromJoystick */ - if (FFIsForceFeedback(ioHIDDeviceObject) == FF_OK) { - device->ffservice = ioHIDDeviceObject; - } else { - device->ffservice = 0; - } - - /* Add device to the end of the list */ - if (lastDevice) - lastDevice->pNext = device; - else - gpDeviceList = device; - lastDevice = device; - } - result = IOObjectRelease(hidObjectIterator); /* release the iterator */ - - /* Count the total number of devices we found */ - device = gpDeviceList; - while (device) { - SDL_numjoysticks++; - device = device->pNext; - } - - return SDL_numjoysticks; -} - -/* Function to get the device-dependent name of a joystick */ -const char * -SDL_SYS_JoystickName(int index) -{ - recDevice *device = gpDeviceList; - - for (; index > 0; index--) - device = device->pNext; - - return device->product; -} - -/* Function to open a joystick for use. - * The joystick to open is specified by the index field of the joystick. - * This should fill the nbuttons and naxes fields of the joystick structure. - * It returns 0, or -1 if there is an error. - */ -int -SDL_SYS_JoystickOpen(SDL_Joystick * joystick) -{ - recDevice *device = gpDeviceList; - int index; - - for (index = joystick->index; index > 0; index--) - device = device->pNext; - - joystick->hwdata = device; - joystick->name = device->product; - - joystick->naxes = device->axes; - joystick->nhats = device->hats; - joystick->nballs = 0; - joystick->nbuttons = device->buttons; - - return 0; -} - -/* Function to update the state of a joystick - called as a device poll. - * This function shouldn't update the joystick structure directly, - * but instead should call SDL_PrivateJoystick*() to deliver events - * and update joystick device state. - */ -void -SDL_SYS_JoystickUpdate(SDL_Joystick * joystick) -{ - recDevice *device = joystick->hwdata; - recElement *element; - SInt32 value, range; - int i; - - if (device->removed) { /* device was unplugged; ignore it. */ - if (device->uncentered) { - device->uncentered = 0; - - /* Tell the app that everything is centered/unpressed... */ - for (i = 0; i < device->axes; i++) - SDL_PrivateJoystickAxis(joystick, i, 0); - - for (i = 0; i < device->buttons; i++) - SDL_PrivateJoystickButton(joystick, i, 0); - - for (i = 0; i < device->hats; i++) - SDL_PrivateJoystickHat(joystick, i, SDL_HAT_CENTERED); - } - - return; - } - - element = device->firstAxis; - i = 0; - while (element) { - value = HIDScaledCalibratedValue(device, element, -32768, 32767); - if (value != joystick->axes[i]) - SDL_PrivateJoystickAxis(joystick, i, value); - element = element->pNext; - ++i; - } - - element = device->firstButton; - i = 0; - while (element) { - value = HIDGetElementValue(device, element); - if (value > 1) /* handle pressure-sensitive buttons */ - value = 1; - if (value != joystick->buttons[i]) - SDL_PrivateJoystickButton(joystick, i, value); - element = element->pNext; - ++i; - } - - element = device->firstHat; - i = 0; - while (element) { - Uint8 pos = 0; - - range = (element->max - element->min + 1); - value = HIDGetElementValue(device, element) - element->min; - if (range == 4) /* 4 position hatswitch - scale up value */ - value *= 2; - else if (range != 8) /* Neither a 4 nor 8 positions - fall back to default position (centered) */ - value = -1; - switch (value) { - case 0: - pos = SDL_HAT_UP; - break; - case 1: - pos = SDL_HAT_RIGHTUP; - break; - case 2: - pos = SDL_HAT_RIGHT; - break; - case 3: - pos = SDL_HAT_RIGHTDOWN; - break; - case 4: - pos = SDL_HAT_DOWN; - break; - case 5: - pos = SDL_HAT_LEFTDOWN; - break; - case 6: - pos = SDL_HAT_LEFT; - break; - case 7: - pos = SDL_HAT_LEFTUP; - break; - default: - /* Every other value is mapped to center. We do that because some - * joysticks use 8 and some 15 for this value, and apparently - * there are even more variants out there - so we try to be generous. - */ - pos = SDL_HAT_CENTERED; - break; - } - if (pos != joystick->hats[i]) - SDL_PrivateJoystickHat(joystick, i, pos); - element = element->pNext; - ++i; - } - - return; -} - -/* Function to close a joystick after use */ -void -SDL_SYS_JoystickClose(SDL_Joystick * joystick) -{ - /* Should we do anything here? */ - return; -} - -/* Function to perform any system-specific joystick related cleanup */ -void -SDL_SYS_JoystickQuit(void) -{ - while (NULL != gpDeviceList) - gpDeviceList = HIDDisposeDevice(&gpDeviceList); -} - -#endif /* SDL_JOYSTICK_IOKIT */ -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/joystick/darwin/SDL_sysjoystick_c.h b/macosx/plugins/Common/SDL/src/joystick/darwin/SDL_sysjoystick_c.h deleted file mode 100644 index 3f4a5ad8..00000000 --- a/macosx/plugins/Common/SDL/src/joystick/darwin/SDL_sysjoystick_c.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef SDL_JOYSTICK_IOKIT_H - - -#if MAC_OS_X_VERSION_MIN_REQUIRED == 1030 -#include "10.3.9-FIX/IOHIDLib.h" -#else -#include <IOKit/hid/IOHIDLib.h> -#endif -#include <IOKit/hid/IOHIDKeys.h> - - -struct recElement -{ - IOHIDElementCookie cookie; /* unique value which identifies element, will NOT change */ - long usagePage, usage; /* HID usage */ - long min; /* reported min value possible */ - long max; /* reported max value possible */ -#if 0 - /* TODO: maybe should handle the following stuff somehow? */ - - long scaledMin; /* reported scaled min value possible */ - long scaledMax; /* reported scaled max value possible */ - long size; /* size in bits of data return from element */ - Boolean relative; /* are reports relative to last report (deltas) */ - Boolean wrapping; /* does element wrap around (one value higher than max is min) */ - Boolean nonLinear; /* are the values reported non-linear relative to element movement */ - Boolean preferredState; /* does element have a preferred state (such as a button) */ - Boolean nullState; /* does element have null state */ -#endif /* 0 */ - - /* runtime variables used for auto-calibration */ - long minReport; /* min returned value */ - long maxReport; /* max returned value */ - - struct recElement *pNext; /* next element in list */ -}; -typedef struct recElement recElement; - -struct joystick_hwdata -{ - io_service_t ffservice; /* Interface for force feedback, 0 = no ff */ - IOHIDDeviceInterface **interface; /* interface to device, NULL = no interface */ - - char product[256]; /* name of product */ - long usage; /* usage page from IOUSBHID Parser.h which defines general usage */ - long usagePage; /* usage within above page from IOUSBHID Parser.h which defines specific usage */ - - long axes; /* number of axis (calculated, not reported by device) */ - long buttons; /* number of buttons (calculated, not reported by device) */ - long hats; /* number of hat switches (calculated, not reported by device) */ - long elements; /* number of total elements (shouldbe total of above) (calculated, not reported by device) */ - - recElement *firstAxis; - recElement *firstButton; - recElement *firstHat; - - int removed; - int uncentered; - - struct joystick_hwdata *pNext; /* next device */ -}; -typedef struct joystick_hwdata recDevice; - - -#endif /* SDL_JOYSTICK_IOKIT_H */ diff --git a/macosx/plugins/Common/SDL/src/thread/SDL_systhread.h b/macosx/plugins/Common/SDL/src/thread/SDL_systhread.h deleted file mode 100644 index bfd6a91f..00000000 --- a/macosx/plugins/Common/SDL/src/thread/SDL_systhread.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* These are functions that need to be implemented by a port of SDL */ - -#ifndef _SDL_systhread_h -#define _SDL_systhread_h - -#include "SDL_thread.h" - -/* This function creates a thread, passing args to SDL_RunThread(), - saves a system-dependent thread id in thread->id, and returns 0 - on success. -*/ -#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD -extern int SDL_SYS_CreateThread(SDL_Thread * thread, void *args, - pfnSDL_CurrentBeginThread pfnBeginThread, - pfnSDL_CurrentEndThread pfnEndThread); -#else -extern int SDL_SYS_CreateThread(SDL_Thread * thread, void *args); -#endif - -/* This function does any necessary setup in the child thread */ -extern void SDL_SYS_SetupThread(void); - -/* This function waits for the thread to finish and frees any data - allocated by SDL_SYS_CreateThread() - */ -extern void SDL_SYS_WaitThread(SDL_Thread * thread); - -#endif /* _SDL_systhread_h */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/SDL_thread.c b/macosx/plugins/Common/SDL/src/thread/SDL_thread.c deleted file mode 100644 index 918b7708..00000000 --- a/macosx/plugins/Common/SDL/src/thread/SDL_thread.c +++ /dev/null @@ -1,291 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* System independent thread management routines for SDL */ - -#include "SDL_mutex.h" -#include "SDL_thread.h" -#include "SDL_thread_c.h" -#include "SDL_systhread.h" - -#define ARRAY_CHUNKSIZE 32 -/* The array of threads currently active in the application - (except the main thread) - The manipulation of an array here is safer than using a linked list. -*/ -static int SDL_maxthreads = 0; -static int SDL_numthreads = 0; -static SDL_Thread **SDL_Threads = NULL; -static SDL_mutex *thread_lock = NULL; - -static int -SDL_ThreadsInit(void) -{ - int retval; - - retval = 0; - thread_lock = SDL_CreateMutex(); - if (thread_lock == NULL) { - retval = -1; - } - return (retval); -} - -/* Routines for manipulating the thread list */ -static void -SDL_AddThread(SDL_Thread * thread) -{ - /* WARNING: - If the very first threads are created simultaneously, then - there could be a race condition causing memory corruption. - In practice, this isn't a problem because by definition there - is only one thread running the first time this is called. - */ - if (!thread_lock) { - if (SDL_ThreadsInit() < 0) { - return; - } - } - SDL_mutexP(thread_lock); - - /* Expand the list of threads, if necessary */ -#ifdef DEBUG_THREADS - printf("Adding thread (%d already - %d max)\n", - SDL_numthreads, SDL_maxthreads); -#endif - if (SDL_numthreads == SDL_maxthreads) { - SDL_Thread **threads; - threads = (SDL_Thread **) SDL_realloc(SDL_Threads, - (SDL_maxthreads + - ARRAY_CHUNKSIZE) * - (sizeof *threads)); - if (threads == NULL) { - SDL_OutOfMemory(); - goto done; - } - SDL_maxthreads += ARRAY_CHUNKSIZE; - SDL_Threads = threads; - } - SDL_Threads[SDL_numthreads++] = thread; - done: - SDL_mutexV(thread_lock); -} - -static void -SDL_DelThread(SDL_Thread * thread) -{ - int i; - - if (!thread_lock) { - return; - } - SDL_mutexP(thread_lock); - for (i = 0; i < SDL_numthreads; ++i) { - if (thread == SDL_Threads[i]) { - break; - } - } - if (i < SDL_numthreads) { - if (--SDL_numthreads > 0) { - while (i < SDL_numthreads) { - SDL_Threads[i] = SDL_Threads[i + 1]; - ++i; - } - } else { - SDL_maxthreads = 0; - SDL_free(SDL_Threads); - SDL_Threads = NULL; - } -#ifdef DEBUG_THREADS - printf("Deleting thread (%d left - %d max)\n", - SDL_numthreads, SDL_maxthreads); -#endif - } - SDL_mutexV(thread_lock); - -#if 0 /* There could be memory corruption if another thread is starting */ - if (SDL_Threads == NULL) { - SDL_ThreadsQuit(); - } -#endif -} - -/* The default (non-thread-safe) global error variable */ -static SDL_error SDL_global_error; - -/* Routine to get the thread-specific error variable */ -SDL_error * -SDL_GetErrBuf(void) -{ - SDL_error *errbuf; - - errbuf = &SDL_global_error; - if (SDL_Threads) { - int i; - SDL_threadID this_thread; - - this_thread = SDL_ThreadID(); - SDL_mutexP(thread_lock); - for (i = 0; i < SDL_numthreads; ++i) { - if (this_thread == SDL_Threads[i]->threadid) { - errbuf = &SDL_Threads[i]->errbuf; - break; - } - } - SDL_mutexV(thread_lock); - } - return (errbuf); -} - - -/* Arguments and callback to setup and run the user thread function */ -typedef struct -{ - int (SDLCALL * func) (void *); - void *data; - SDL_Thread *info; - SDL_sem *wait; -} thread_args; - -void -SDL_RunThread(void *data) -{ - thread_args *args; - int (SDLCALL * userfunc) (void *); - void *userdata; - int *statusloc; - - /* Perform any system-dependent setup - - this function cannot fail, and cannot use SDL_SetError() - */ - SDL_SYS_SetupThread(); - - /* Get the thread id */ - args = (thread_args *) data; - args->info->threadid = SDL_ThreadID(); - - /* Figure out what function to run */ - userfunc = args->func; - userdata = args->data; - statusloc = &args->info->status; - - /* Wake up the parent thread */ - SDL_SemPost(args->wait); - - /* Run the function */ - *statusloc = userfunc(userdata); -} - -#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD -#undef SDL_CreateThread -DECLSPEC SDL_Thread *SDLCALL -SDL_CreateThread(int (SDLCALL * fn) (void *), void *data, - pfnSDL_CurrentBeginThread pfnBeginThread, - pfnSDL_CurrentEndThread pfnEndThread) -#else -DECLSPEC SDL_Thread *SDLCALL -SDL_CreateThread(int (SDLCALL * fn) (void *), void *data) -#endif -{ - SDL_Thread *thread; - thread_args *args; - int ret; - - /* Allocate memory for the thread info structure */ - thread = (SDL_Thread *) SDL_malloc(sizeof(*thread)); - if (thread == NULL) { - SDL_OutOfMemory(); - return (NULL); - } - SDL_memset(thread, 0, (sizeof *thread)); - thread->status = -1; - - /* Set up the arguments for the thread */ - args = (thread_args *) SDL_malloc(sizeof(*args)); - if (args == NULL) { - SDL_OutOfMemory(); - SDL_free(thread); - return (NULL); - } - args->func = fn; - args->data = data; - args->info = thread; - args->wait = SDL_CreateSemaphore(0); - if (args->wait == NULL) { - SDL_free(thread); - SDL_free(args); - return (NULL); - } - - /* Add the thread to the list of available threads */ - SDL_AddThread(thread); - - /* Create the thread and go! */ -#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD - ret = SDL_SYS_CreateThread(thread, args, pfnBeginThread, pfnEndThread); -#else - ret = SDL_SYS_CreateThread(thread, args); -#endif - if (ret >= 0) { - /* Wait for the thread function to use arguments */ - SDL_SemWait(args->wait); - } else { - /* Oops, failed. Gotta free everything */ - SDL_DelThread(thread); - SDL_free(thread); - thread = NULL; - } - SDL_DestroySemaphore(args->wait); - SDL_free(args); - - /* Everything is running now */ - return (thread); -} - -void -SDL_WaitThread(SDL_Thread * thread, int *status) -{ - if (thread) { - SDL_SYS_WaitThread(thread); - if (status) { - *status = thread->status; - } - SDL_DelThread(thread); - SDL_free(thread); - } -} - -SDL_threadID -SDL_GetThreadID(SDL_Thread * thread) -{ - SDL_threadID id; - - if (thread) { - id = thread->threadid; - } else { - id = SDL_ThreadID(); - } - return id; -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/SDL_thread_c.h b/macosx/plugins/Common/SDL/src/thread/SDL_thread_c.h deleted file mode 100644 index a92aa1ee..00000000 --- a/macosx/plugins/Common/SDL/src/thread/SDL_thread_c.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef _SDL_thread_c_h -#define _SDL_thread_c_h - -/* Need the definitions of SYS_ThreadHandle */ -#include "pthread/SDL_systhread_c.h" -#include "../SDL_error_c.h" - -/* This is the system-independent thread info structure */ -struct SDL_Thread -{ - SDL_threadID threadid; - SYS_ThreadHandle handle; - int status; - SDL_error errbuf; - void *data; -}; - -/* This is the function called to run a thread */ -extern void SDL_RunThread(void *data); - -#endif /* _SDL_thread_c_h */ -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_syscond.c b/macosx/plugins/Common/SDL/src/thread/pthread/SDL_syscond.c deleted file mode 100644 index dd4d991b..00000000 --- a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_syscond.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include <sys/time.h> -#include <unistd.h> -#include <errno.h> -#include <pthread.h> - -#include "SDL_thread.h" -#include "SDL_sysmutex_c.h" - -struct SDL_cond -{ - pthread_cond_t cond; -}; - -/* Create a condition variable */ -SDL_cond * -SDL_CreateCond(void) -{ - SDL_cond *cond; - - cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond)); - if (cond) { - if (pthread_cond_init(&cond->cond, NULL) < 0) { - SDL_SetError("pthread_cond_init() failed"); - SDL_free(cond); - cond = NULL; - } - } - return (cond); -} - -/* Destroy a condition variable */ -void -SDL_DestroyCond(SDL_cond * cond) -{ - if (cond) { - pthread_cond_destroy(&cond->cond); - SDL_free(cond); - } -} - -/* Restart one of the threads that are waiting on the condition variable */ -int -SDL_CondSignal(SDL_cond * cond) -{ - int retval; - - if (!cond) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - if (pthread_cond_signal(&cond->cond) != 0) { - SDL_SetError("pthread_cond_signal() failed"); - retval = -1; - } - return retval; -} - -/* Restart all threads that are waiting on the condition variable */ -int -SDL_CondBroadcast(SDL_cond * cond) -{ - int retval; - - if (!cond) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - if (pthread_cond_broadcast(&cond->cond) != 0) { - SDL_SetError("pthread_cond_broadcast() failed"); - retval = -1; - } - return retval; -} - -int -SDL_CondWaitTimeout(SDL_cond * cond, SDL_mutex * mutex, Uint32 ms) -{ - int retval; - struct timeval delta; - struct timespec abstime; - - if (!cond) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - gettimeofday(&delta, NULL); - - abstime.tv_sec = delta.tv_sec + (ms / 1000); - abstime.tv_nsec = (delta.tv_usec + (ms % 1000) * 1000) * 1000; - if (abstime.tv_nsec > 1000000000) { - abstime.tv_sec += 1; - abstime.tv_nsec -= 1000000000; - } - - tryagain: - retval = pthread_cond_timedwait(&cond->cond, &mutex->id, &abstime); - switch (retval) { - case EINTR: - goto tryagain; - break; - case ETIMEDOUT: - retval = SDL_MUTEX_TIMEDOUT; - break; - case 0: - break; - default: - SDL_SetError("pthread_cond_timedwait() failed"); - retval = -1; - break; - } - return retval; -} - -/* Wait on the condition variable, unlocking the provided mutex. - The mutex must be locked before entering this function! - */ -int -SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex) -{ - int retval; - - if (!cond) { - SDL_SetError("Passed a NULL condition variable"); - return -1; - } - - retval = 0; - if (pthread_cond_wait(&cond->cond, &mutex->id) != 0) { - SDL_SetError("pthread_cond_wait() failed"); - retval = -1; - } - return retval; -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_sysmutex.c b/macosx/plugins/Common/SDL/src/thread/pthread/SDL_sysmutex.c deleted file mode 100644 index d06d948f..00000000 --- a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_sysmutex.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#define _GNU_SOURCE -#include <pthread.h> - -#include "SDL_thread.h" - -#if !SDL_THREAD_PTHREAD_RECURSIVE_MUTEX && \ - !SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP -#define FAKE_RECURSIVE_MUTEX -#endif - -struct SDL_mutex -{ - pthread_mutex_t id; -#ifdef FAKE_RECURSIVE_MUTEX - int recursive; - pthread_t owner; -#endif -}; - -SDL_mutex * -SDL_CreateMutex(void) -{ - SDL_mutex *mutex; - pthread_mutexattr_t attr; - - /* Allocate the structure */ - mutex = (SDL_mutex *) SDL_calloc(1, sizeof(*mutex)); - if (mutex) { - pthread_mutexattr_init(&attr); -#if SDL_THREAD_PTHREAD_RECURSIVE_MUTEX - pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); -#elif SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP - pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP); -#else - /* No extra attributes necessary */ -#endif - if (pthread_mutex_init(&mutex->id, &attr) != 0) { - SDL_SetError("pthread_mutex_init() failed"); - SDL_free(mutex); - mutex = NULL; - } - } else { - SDL_OutOfMemory(); - } - return (mutex); -} - -void -SDL_DestroyMutex(SDL_mutex * mutex) -{ - if (mutex) { - pthread_mutex_destroy(&mutex->id); - SDL_free(mutex); - } -} - -/* Lock the mutex */ -int -SDL_mutexP(SDL_mutex * mutex) -{ - int retval; -#ifdef FAKE_RECURSIVE_MUTEX - pthread_t this_thread; -#endif - - if (mutex == NULL) { - SDL_SetError("Passed a NULL mutex"); - return -1; - } - - retval = 0; -#ifdef FAKE_RECURSIVE_MUTEX - this_thread = pthread_self(); - if (mutex->owner == this_thread) { - ++mutex->recursive; - } else { - /* The order of operations is important. - We set the locking thread id after we obtain the lock - so unlocks from other threads will fail. - */ - if (pthread_mutex_lock(&mutex->id) == 0) { - mutex->owner = this_thread; - mutex->recursive = 0; - } else { - SDL_SetError("pthread_mutex_lock() failed"); - retval = -1; - } - } -#else - if (pthread_mutex_lock(&mutex->id) < 0) { - SDL_SetError("pthread_mutex_lock() failed"); - retval = -1; - } -#endif - return retval; -} - -int -SDL_mutexV(SDL_mutex * mutex) -{ - int retval; - - if (mutex == NULL) { - SDL_SetError("Passed a NULL mutex"); - return -1; - } - - retval = 0; -#ifdef FAKE_RECURSIVE_MUTEX - /* We can only unlock the mutex if we own it */ - if (pthread_self() == mutex->owner) { - if (mutex->recursive) { - --mutex->recursive; - } else { - /* The order of operations is important. - First reset the owner so another thread doesn't lock - the mutex and set the ownership before we reset it, - then release the lock semaphore. - */ - mutex->owner = 0; - pthread_mutex_unlock(&mutex->id); - } - } else { - SDL_SetError("mutex not owned by this thread"); - retval = -1; - } - -#else - if (pthread_mutex_unlock(&mutex->id) < 0) { - SDL_SetError("pthread_mutex_unlock() failed"); - retval = -1; - } -#endif /* FAKE_RECURSIVE_MUTEX */ - - return retval; -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_sysmutex_c.h b/macosx/plugins/Common/SDL/src/thread/pthread/SDL_sysmutex_c.h deleted file mode 100644 index bc1e2429..00000000 --- a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_sysmutex_c.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifndef _SDL_mutex_c_h -#define _SDL_mutex_c_h - -struct SDL_mutex -{ - pthread_mutex_t id; -}; - -#endif /* _SDL_mutex_c_h */ -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_syssem.c b/macosx/plugins/Common/SDL/src/thread/pthread/SDL_syssem.c deleted file mode 100644 index a8abf1fa..00000000 --- a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_syssem.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* An implementation of semaphores using mutexes and condition variables */ - -#include "SDL_thread.h" -#include "SDL_systhread_c.h" - - -#if SDL_THREADS_DISABLED - -SDL_sem * -SDL_CreateSemaphore(Uint32 initial_value) -{ - SDL_SetError("SDL not configured with thread support"); - return (SDL_sem *) 0; -} - -void -SDL_DestroySemaphore(SDL_sem * sem) -{ - return; -} - -int -SDL_SemTryWait(SDL_sem * sem) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -int -SDL_SemWaitTimeout(SDL_sem * sem, Uint32 timeout) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -int -SDL_SemWait(SDL_sem * sem) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -Uint32 -SDL_SemValue(SDL_sem * sem) -{ - return 0; -} - -int -SDL_SemPost(SDL_sem * sem) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -#else - -struct SDL_semaphore -{ - Uint32 count; - Uint32 waiters_count; - SDL_mutex *count_lock; - SDL_cond *count_nonzero; -}; - -SDL_sem * -SDL_CreateSemaphore(Uint32 initial_value) -{ - SDL_sem *sem; - - sem = (SDL_sem *) SDL_malloc(sizeof(*sem)); - if (!sem) { - SDL_OutOfMemory(); - return NULL; - } - sem->count = initial_value; - sem->waiters_count = 0; - - sem->count_lock = SDL_CreateMutex(); - sem->count_nonzero = SDL_CreateCond(); - if (!sem->count_lock || !sem->count_nonzero) { - SDL_DestroySemaphore(sem); - return NULL; - } - - return sem; -} - -/* WARNING: - You cannot call this function when another thread is using the semaphore. -*/ -void -SDL_DestroySemaphore(SDL_sem * sem) -{ - if (sem) { - sem->count = 0xFFFFFFFF; - while (sem->waiters_count > 0) { - SDL_CondSignal(sem->count_nonzero); - //SDL_Delay(10); - } - SDL_DestroyCond(sem->count_nonzero); - if (sem->count_lock) { - SDL_mutexP(sem->count_lock); - SDL_mutexV(sem->count_lock); - SDL_DestroyMutex(sem->count_lock); - } - SDL_free(sem); - } -} - -int -SDL_SemTryWait(SDL_sem * sem) -{ - int retval; - - if (!sem) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - retval = SDL_MUTEX_TIMEDOUT; - SDL_LockMutex(sem->count_lock); - if (sem->count > 0) { - --sem->count; - retval = 0; - } - SDL_UnlockMutex(sem->count_lock); - - return retval; -} - -int -SDL_SemWaitTimeout(SDL_sem * sem, Uint32 timeout) -{ - int retval; - - if (!sem) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - /* A timeout of 0 is an easy case */ - if (timeout == 0) { - return SDL_SemTryWait(sem); - } - - SDL_LockMutex(sem->count_lock); - ++sem->waiters_count; - retval = 0; - while ((sem->count == 0) && (retval != SDL_MUTEX_TIMEDOUT)) { - retval = SDL_CondWaitTimeout(sem->count_nonzero, - sem->count_lock, timeout); - } - --sem->waiters_count; - if (retval == 0) { - --sem->count; - } - SDL_UnlockMutex(sem->count_lock); - - return retval; -} - -int -SDL_SemWait(SDL_sem * sem) -{ - return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT); -} - -Uint32 -SDL_SemValue(SDL_sem * sem) -{ - Uint32 value; - - value = 0; - if (sem) { - SDL_LockMutex(sem->count_lock); - value = sem->count; - SDL_UnlockMutex(sem->count_lock); - } - return value; -} - -int -SDL_SemPost(SDL_sem * sem) -{ - if (!sem) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - SDL_LockMutex(sem->count_lock); - if (sem->waiters_count > 0) { - SDL_CondSignal(sem->count_nonzero); - } - ++sem->count; - SDL_UnlockMutex(sem->count_lock); - - return 0; -} - -#endif /* SDL_THREADS_DISABLED */ -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_systhread.c b/macosx/plugins/Common/SDL/src/thread/pthread/SDL_systhread.c deleted file mode 100644 index 5a46e709..00000000 --- a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_systhread.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include <pthread.h> -#include <signal.h> - -#include "SDL_thread.h" -#include "../SDL_thread_c.h" -#include "../SDL_systhread.h" - -/* List of signals to mask in the subthreads */ -static const int sig_list[] = { - SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH, - SIGVTALRM, SIGPROF, 0 -}; - -#ifdef __RISCOS__ -/* RISC OS needs to know the main thread for - * it's timer and event processing. */ -int riscos_using_threads = 0; -SDL_threadID riscos_main_thread = 0; /* Thread running events */ -#endif - - -static void * -RunThread(void *data) -{ - SDL_RunThread(data); - pthread_exit((void *) 0); - return ((void *) 0); /* Prevent compiler warning */ -} - -int -SDL_SYS_CreateThread(SDL_Thread * thread, void *args) -{ - pthread_attr_t type; - - /* Set the thread attributes */ - if (pthread_attr_init(&type) != 0) { - SDL_SetError("Couldn't initialize pthread attributes"); - return (-1); - } - pthread_attr_setdetachstate(&type, PTHREAD_CREATE_JOINABLE); - - /* Create the thread and go! */ - if (pthread_create(&thread->handle, &type, RunThread, args) != 0) { - SDL_SetError("Not enough resources to create thread"); - return (-1); - } -#ifdef __RISCOS__ - if (riscos_using_threads == 0) { - riscos_using_threads = 1; - riscos_main_thread = SDL_ThreadID(); - } -#endif - - return (0); -} - -void -SDL_SYS_SetupThread(void) -{ - int i; - sigset_t mask; - - /* Mask asynchronous signals for this thread */ - sigemptyset(&mask); - for (i = 0; sig_list[i]; ++i) { - sigaddset(&mask, sig_list[i]); - } - pthread_sigmask(SIG_BLOCK, &mask, 0); - -#ifdef PTHREAD_CANCEL_ASYNCHRONOUS - /* Allow ourselves to be asynchronously cancelled */ - { - int oldstate; - pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldstate); - } -#endif -} - -SDL_threadID -SDL_ThreadID(void) -{ - return ((SDL_threadID) pthread_self()); -} - -void -SDL_SYS_WaitThread(SDL_Thread * thread) -{ - pthread_join(thread->handle, 0); -} - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_systhread_c.h b/macosx/plugins/Common/SDL/src/thread/pthread/SDL_systhread_c.h deleted file mode 100644 index a26fcbab..00000000 --- a/macosx/plugins/Common/SDL/src/thread/pthread/SDL_systhread_c.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include <pthread.h> - -typedef pthread_t SYS_ThreadHandle; - -/* vi: set ts=4 sw=4 expandtab: */ |