1 files changed, 129 insertions, 0 deletions
diff --git a/macosx/plugins/Common/SDL/src/audio/SDL_sysaudio.h b/macosx/plugins/Common/SDL/src/audio/SDL_sysaudio.h
new file mode 100644
index 00000000..329e417b
--- /dev/null
+++ b/macosx/plugins/Common/SDL/src/audio/SDL_sysaudio.h
@@ -0,0 +1,129 @@
+/*
+    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 St, 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: */