diff options
Diffstat (limited to 'win32/plugins/dfsound/winsrc/dsound.c')
| -rw-r--r-- | win32/plugins/dfsound/winsrc/dsound.c | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/win32/plugins/dfsound/winsrc/dsound.c b/win32/plugins/dfsound/winsrc/dsound.c new file mode 100644 index 00000000..1d6ce66e --- /dev/null +++ b/win32/plugins/dfsound/winsrc/dsound.c @@ -0,0 +1,277 @@ +/***************************************************************************
+ dsound.c - description
+ -------------------
+ begin : Wed May 15 2002
+ copyright : (C) 2002 by Pete Bernert
+ email : BlackDove@addcom.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. See also the license.txt file for *
+ * additional informations. *
+ * *
+ ***************************************************************************/
+
+//*************************************************************************//
+// History of changes:
+//
+// 2003/01/12 - Pete
+// - added recording funcs
+//
+// 2002/05/15 - Pete
+// - generic cleanup for the Peops release
+//
+//*************************************************************************//
+
+#include "stdafx.h"
+
+#define _IN_DSOUND
+
+#include "externals.h"
+
+#ifdef _WINDOWS
+
+#include <dsound.h>
+
+#include "record.h"
+
+////////////////////////////////////////////////////////////////////////
+// dsound globals
+////////////////////////////////////////////////////////////////////////
+
+LPDIRECTSOUND lpDS;
+LPDIRECTSOUNDBUFFER lpDSBP = NULL;
+LPDIRECTSOUNDBUFFER lpDSB = NULL;
+DSBUFFERDESC dsbd;
+DSBUFFERDESC dsbdesc;
+DSCAPS dscaps;
+DSBCAPS dsbcaps;
+
+unsigned long LastWrite=0xffffffff;
+unsigned long LastPlay=0;
+
+////////////////////////////////////////////////////////////////////////
+// SETUP SOUND
+////////////////////////////////////////////////////////////////////////
+
+void SetupSound(void)
+{
+ HRESULT dsval;WAVEFORMATEX pcmwf;
+
+ dsval = DirectSoundCreate(NULL,&lpDS,NULL);
+ if(dsval!=DS_OK)
+ {
+ MessageBox(hWMain,"DirectSoundCreate!","Error",MB_OK);
+ return;
+ }
+
+ if(DS_OK!=IDirectSound_SetCooperativeLevel(lpDS,hWMain, DSSCL_PRIORITY))
+ {
+ if(DS_OK!=IDirectSound_SetCooperativeLevel(lpDS,hWMain, DSSCL_NORMAL))
+ {
+ MessageBox(hWMain,"SetCooperativeLevel!","Error",MB_OK);
+ return;
+ }
+ }
+
+ memset(&dsbd,0,sizeof(DSBUFFERDESC));
+ dsbd.dwSize = 20; // NT4 hack! sizeof(dsbd);
+ dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER;
+ dsbd.dwBufferBytes = 0;
+ dsbd.lpwfxFormat = NULL;
+
+ dsval=IDirectSound_CreateSoundBuffer(lpDS,&dsbd,&lpDSBP,NULL);
+ if(dsval!=DS_OK)
+ {
+ MessageBox(hWMain, "CreateSoundBuffer (Primary)", "Error",MB_OK);
+ return;
+ }
+
+ memset(&pcmwf, 0, sizeof(WAVEFORMATEX));
+ pcmwf.wFormatTag = WAVE_FORMAT_PCM;
+
+ if(iDisStereo) {pcmwf.nChannels = 1; pcmwf.nBlockAlign = 2;}
+ else {pcmwf.nChannels = 2; pcmwf.nBlockAlign = 4;}
+
+ pcmwf.nSamplesPerSec = 44100;
+
+ pcmwf.nAvgBytesPerSec = pcmwf.nSamplesPerSec * pcmwf.nBlockAlign;
+ pcmwf.wBitsPerSample = 16;
+
+ dsval=IDirectSoundBuffer_SetFormat(lpDSBP,&pcmwf);
+ if(dsval!=DS_OK)
+ {
+ MessageBox(hWMain, "SetFormat!", "Error",MB_OK);
+ return;
+ }
+
+ dscaps.dwSize = sizeof(DSCAPS);
+ dsbcaps.dwSize = sizeof(DSBCAPS);
+ IDirectSound_GetCaps(lpDS,&dscaps);
+ IDirectSoundBuffer_GetCaps(lpDSBP,&dsbcaps);
+
+ memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
+ dsbdesc.dwSize = 20; // NT4 hack! sizeof(DSBUFFERDESC);
+ dsbdesc.dwFlags = DSBCAPS_LOCSOFTWARE | DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
+ dsbdesc.dwBufferBytes = SOUNDSIZE;
+ dsbdesc.lpwfxFormat = (LPWAVEFORMATEX)&pcmwf;
+
+ dsval=IDirectSound_CreateSoundBuffer(lpDS,&dsbdesc,&lpDSB,NULL);
+ if(dsval!=DS_OK)
+ {
+ MessageBox(hWMain,"CreateSoundBuffer (Secondary)", "Error",MB_OK);
+ return;
+ }
+
+ dsval=IDirectSoundBuffer_Play(lpDSBP,0,0,DSBPLAY_LOOPING);
+ if(dsval!=DS_OK)
+ {
+ MessageBox(hWMain,"Play (Primary)","Error",MB_OK);
+ return;
+ }
+
+ dsval=IDirectSoundBuffer_Play(lpDSB,0,0,DSBPLAY_LOOPING);
+ if(dsval!=DS_OK)
+ {
+ MessageBox(hWMain,"Play (Secondary)","Error",MB_OK);
+ return;
+ }
+}
+
+////////////////////////////////////////////////////////////////////////
+// REMOVE SOUND
+////////////////////////////////////////////////////////////////////////
+
+void RemoveSound(void)
+{
+ int iRes;
+
+ if(iDoRecord) RecordStop();
+
+ if(lpDSB!=NULL)
+ {
+ IDirectSoundBuffer_Stop(lpDSB);
+ iRes=IDirectSoundBuffer_Release(lpDSB);
+ // FF says such a loop is bad... Demo says it's good... Pete doesn't care
+ while(iRes!=0) iRes=IDirectSoundBuffer_Release(lpDSB);
+ lpDSB=NULL;
+ }
+
+ if(lpDSBP!=NULL)
+ {
+ IDirectSoundBuffer_Stop(lpDSBP);
+ iRes=IDirectSoundBuffer_Release(lpDSBP);
+ // FF says such a loop is bad... Demo says it's good... Pete doesn't care
+ while(iRes!=0) iRes=IDirectSoundBuffer_Release(lpDSBP);
+ lpDSBP=NULL;
+ }
+
+ if(lpDS!=NULL)
+ {
+ iRes=IDirectSound_Release(lpDS);
+ // FF says such a loop is bad... Demo says it's good... Pete doesn't care
+ while(iRes!=0) iRes=IDirectSound_Release(lpDS);
+ lpDS=NULL;
+ }
+
+}
+
+////////////////////////////////////////////////////////////////////////
+// GET BYTES BUFFERED
+////////////////////////////////////////////////////////////////////////
+
+unsigned long SoundGetBytesBuffered(void)
+{
+ unsigned long cplay,cwrite;
+
+ if(LastWrite==0xffffffff) return 0;
+
+ IDirectSoundBuffer_GetCurrentPosition(lpDSB,&cplay,&cwrite);
+
+ if(cplay>SOUNDSIZE) return SOUNDSIZE;
+
+ if(cplay<LastWrite) return LastWrite-cplay;
+ return (SOUNDSIZE-cplay)+LastWrite;
+}
+
+////////////////////////////////////////////////////////////////////////
+// FEED SOUND DATA
+////////////////////////////////////////////////////////////////////////
+
+void SoundFeedStreamData(unsigned char* pSound,long lBytes)
+{
+ LPVOID lpvPtr1, lpvPtr2;
+ unsigned long dwBytes1,dwBytes2;
+ unsigned long *lpSS, *lpSD;
+ unsigned long dw,cplay,cwrite;
+ HRESULT hr;
+ unsigned long status;
+
+ if(iDoRecord) RecordBuffer(pSound,lBytes);
+
+ IDirectSoundBuffer_GetStatus(lpDSB,&status);
+ if(status&DSBSTATUS_BUFFERLOST)
+ {
+ if(IDirectSoundBuffer_Restore(lpDSB)!=DS_OK) return;
+ IDirectSoundBuffer_Play(lpDSB,0,0,DSBPLAY_LOOPING);
+ }
+
+ IDirectSoundBuffer_GetCurrentPosition(lpDSB,&cplay,&cwrite);
+
+ if(LastWrite==0xffffffff) LastWrite=cwrite;
+
+/*
+// mmm... security... not needed, I think
+ if(LastWrite<cplay)
+ {
+ if((cplay-LastWrite)<=(unsigned long)lBytes)
+ {
+ LastWrite=0xffffffff;
+ return;
+ }
+ }
+ else
+ {
+ if(LastWrite<cwrite)
+ {
+ LastWrite=0xffffffff;
+ return;
+ }
+ }
+*/
+
+ hr=IDirectSoundBuffer_Lock(lpDSB,LastWrite,lBytes,
+ &lpvPtr1, &dwBytes1,
+ &lpvPtr2, &dwBytes2,
+ 0);
+
+ if(hr!=DS_OK) {LastWrite=0xffffffff;return;}
+
+ lpSD=(unsigned long *)lpvPtr1;
+ dw=dwBytes1>>2;
+
+ lpSS=(unsigned long *)pSound;
+ while(dw) {*lpSD++=*lpSS++;dw--;}
+
+ if(lpvPtr2)
+ {
+ lpSD=(unsigned long *)lpvPtr2;
+ dw=dwBytes2>>2;
+ while(dw) {*lpSD++=*lpSS++;dw--;}
+ }
+
+ IDirectSoundBuffer_Unlock(lpDSB,lpvPtr1,dwBytes1,lpvPtr2,dwBytes2);
+
+ LastWrite+=lBytes;
+ if(LastWrite>=SOUNDSIZE) LastWrite-=SOUNDSIZE;
+ LastPlay=cplay;
+}
+
+#endif
+
+
+
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