mirror of
https://github.com/DrBeef/Raze.git
synced 2024-11-15 08:52:00 +00:00
Clean up DirectSound driver in audiolib
This includes a small patch from Nuke.YKT as well. git-svn-id: https://svn.eduke32.com/eduke32@7361 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx
parent
c757725e65
commit
425c183c67
2 changed files with 308 additions and 338 deletions
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@ -24,75 +24,58 @@
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#define NEED_MMSYSTEM_H
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#define NEED_DSOUND_H
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#include "windows_inc.h"
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#include "compat.h"
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#include "driver_directsound.h"
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#include "multivoc.h"
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#include "windows_inc.h"
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enum {
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DSErr_Warning = -2,
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DSErr_Error = -1,
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DSErr_Ok = 0,
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DSErr_Uninitialised,
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DSErr_DirectSoundCreate,
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DSErr_SetCooperativeLevel,
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DSErr_CreateSoundBuffer,
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DSErr_CreateSoundBufferSecondary,
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DSErr_SetFormat,
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DSErr_SetFormatSecondary,
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DSErr_Notify,
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DSErr_NotifyEvents,
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DSErr_SetNotificationPositions,
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DSErr_Play,
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DSErr_PlaySecondary,
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DSErr_CreateThread,
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DSErr_CreateMutex
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};
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#define MIXBUFFERPOSITIONS 8
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static int32_t ErrorCode = DSErr_Ok;
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static int32_t Initialised = 0;
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static int32_t Playing = 0;
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static int32_t Initialised;
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static int32_t Playing;
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static char *MixBuffer = NULL;
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static int32_t MixBufferSize = 0;
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static int32_t MixBufferCount = 0;
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static int32_t MixBufferCurrent = 0;
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static int32_t MixBufferUsed = 0;
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static void ( *MixCallBack )( void ) = NULL;
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static char * MixBuffer = NULL;
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static int32_t MixBufferSize;
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static int32_t MixBufferCount;
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static int32_t MixBufferCurrent;
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static int32_t MixBufferUsed;
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static void (*MixCallBack)(void) = NULL;
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static LPDIRECTSOUND lpds = NULL;
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static LPDIRECTSOUNDBUFFER lpdsbprimary = NULL, lpdsbsec = NULL;
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static LPDIRECTSOUNDNOTIFY lpdsnotify = NULL;
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static DSBPOSITIONNOTIFY notifyPositions[3] = { { 0,0 }, { 0,0 }, { 0,0 } };
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static HANDLE mixThread = NULL;
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static HANDLE mutex = NULL;
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static HANDLE mutex = NULL;
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static DSBPOSITIONNOTIFY notifyPositions[MIXBUFFERPOSITIONS + 1] = {};
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static void FillBufferPortion(char * ptr, int32_t remaining)
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static void FillBufferPosition(char * ptr, int32_t remaining)
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{
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int32_t len = 0;
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char *sptr;
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while (remaining >= len) {
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if (MixBufferUsed == MixBufferSize) {
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do
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{
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if (MixBufferUsed == MixBufferSize)
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{
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MixCallBack();
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MixBufferUsed = 0;
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MixBufferCurrent++;
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if (MixBufferCurrent >= MixBufferCount) {
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if (++MixBufferCurrent >= MixBufferCount)
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MixBufferCurrent -= MixBufferCount;
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}
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}
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while (remaining >= len && MixBufferUsed < MixBufferSize) {
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sptr = MixBuffer + (MixBufferCurrent * MixBufferSize) + MixBufferUsed;
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do
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{
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char *sptr = MixBuffer + (MixBufferCurrent * MixBufferSize) + MixBufferUsed;
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len = MixBufferSize - MixBufferUsed;
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if (remaining < len) {
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if (remaining < len)
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len = remaining;
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}
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memcpy(ptr, sptr, len);
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@ -100,110 +83,301 @@ static void FillBufferPortion(char * ptr, int32_t remaining)
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MixBufferUsed += len;
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remaining -= len;
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}
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while (remaining >= len && MixBufferUsed < MixBufferSize);
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}
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while (remaining >= len);
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}
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static void FillBuffer(int32_t bufnum)
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{
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HRESULT err;
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LPVOID ptr, ptr2;
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DWORD remaining, remaining2;
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int32_t retries = 1;
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//initprintf( "DirectSound FillBuffer: filling %d\n", bufnum);
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do {
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err = IDirectSoundBuffer_Lock(lpdsbsec,
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notifyPositions[bufnum].dwOffset,
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notifyPositions[1].dwOffset,
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&ptr, &remaining,
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&ptr2, &remaining2,
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0);
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if (FAILED(err)) {
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if (err == DSERR_BUFFERLOST) {
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err = IDirectSoundBuffer_Restore(lpdsbsec);
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if (FAILED(err)) {
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do
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{
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HRESULT err = IDirectSoundBuffer_Lock(lpdsbsec, notifyPositions[bufnum].dwOffset, notifyPositions[1].dwOffset,
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&ptr, &remaining, &ptr2, &remaining2, 0);
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if (FAILED(err))
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{
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if (err == DSERR_BUFFERLOST)
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{
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if (FAILED(err = IDirectSoundBuffer_Restore(lpdsbsec)))
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return;
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}
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if (retries-- > 0) {
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if (retries-- > 0)
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continue;
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}
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}
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if (MV_Printf)
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MV_Printf("DirectSound FillBuffer: err %x\n", (uint32_t) err);
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MV_Printf("DirectSound FillBuffer: err %x\n", (uint32_t)err);
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return;
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}
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break;
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} while (1);
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}
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while (1);
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if (ptr) {
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FillBufferPortion((char *) ptr, remaining);
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}
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if (ptr2) {
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FillBufferPortion((char *) ptr2, remaining2);
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}
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if (ptr && remaining)
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FillBufferPosition((char *)ptr, remaining);
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if (ptr2 && remaining2)
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FillBufferPosition((char *)ptr2, remaining2);
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IDirectSoundBuffer_Unlock(lpdsbsec, ptr, remaining, ptr2, remaining2);
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}
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static DWORD WINAPI fillDataThread(LPVOID lpParameter)
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{
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DWORD waitret, waitret2;
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HANDLE handles[] = { handles[0] = notifyPositions[0].hEventNotify,
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handles[1] = notifyPositions[1].hEventNotify,
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handles[2] = notifyPositions[2].hEventNotify };
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UNREFERENCED_PARAMETER(lpParameter);
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do {
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waitret = WaitForMultipleObjects(3, handles, FALSE, INFINITE);
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switch (waitret) {
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case WAIT_OBJECT_0:
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case WAIT_OBJECT_0+1:
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waitret2 = WaitForSingleObject(mutex, INFINITE);
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if (waitret2 == WAIT_OBJECT_0) {
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FillBuffer(WAIT_OBJECT_0 + 1 - waitret);
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ReleaseMutex(mutex);
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} else {
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if (MV_Printf)
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MV_Printf( "DirectSound fillDataThread: wfso err %d\n", (int32_t) waitret2);
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}
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break;
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case WAIT_OBJECT_0+2:
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// initprintf( "DirectSound fillDataThread: exiting\n");
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ExitThread(0);
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break;
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default:
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if (MV_Printf)
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MV_Printf( "DirectSound fillDataThread: wfmo err %d\n", (int32_t) waitret);
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break;
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HANDLE handles[MIXBUFFERPOSITIONS+1];
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for (int i = 0; i < ARRAY_SSIZE(handles); i++)
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handles[i] = notifyPositions[i].hEventNotify;
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do
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{
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DWORD const waitret = WaitForMultipleObjects(MIXBUFFERPOSITIONS, handles, FALSE, INFINITE);
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if (waitret >= WAIT_OBJECT_0 && waitret < WAIT_OBJECT_0+MIXBUFFERPOSITIONS)
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{
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DWORD const waitret2 = WaitForSingleObject(mutex, INFINITE);
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if (waitret2 == WAIT_OBJECT_0)
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{
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FillBuffer((waitret + MIXBUFFERPOSITIONS - 1 - WAIT_OBJECT_0) % MIXBUFFERPOSITIONS);
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ReleaseMutex(mutex);
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}
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else if (MV_Printf)
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MV_Printf("DirectSound fillDataThread: wfso err %d\n", (int32_t)waitret2);
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}
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} while (1);
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else
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{
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switch (waitret)
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{
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case WAIT_OBJECT_0 + MIXBUFFERPOSITIONS:
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ExitThread(0);
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break;
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default:
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if (MV_Printf)
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MV_Printf("DirectSound fillDataThread: wfmo err %d\n", (int32_t)waitret);
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break;
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}
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}
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}
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while (1);
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return 0;
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}
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static void TeardownDSound(HRESULT err)
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{
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if (FAILED(err))
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{
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if (MV_Printf)
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MV_Printf("Dying error: %x\n", (uint32_t)err);
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}
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if (lpdsnotify)
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IDirectSoundNotify_Release(lpdsnotify), lpdsnotify = NULL;
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for (int i = 0; i < MIXBUFFERPOSITIONS + 1; i++)
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{
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if (notifyPositions[i].hEventNotify)
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CloseHandle(notifyPositions[i].hEventNotify);
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notifyPositions[i].hEventNotify = 0;
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}
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if (mutex)
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CloseHandle(mutex), mutex = NULL;
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if (lpdsbsec)
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IDirectSoundBuffer_Release(lpdsbsec), lpdsbsec = NULL;
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if (lpdsbprimary)
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IDirectSoundBuffer_Release(lpdsbprimary), lpdsbprimary = NULL;
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if (lpds)
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IDirectSound_Release(lpds), lpds = NULL;
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}
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#define DIRECTSOUND_ERROR(err, code) \
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do \
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{ \
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TeardownDSound(err); \
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ErrorCode = code; \
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return DSErr_Error; \
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} while (0)
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int32_t DirectSoundDrv_PCM_Init(int32_t *mixrate, int32_t *numchannels, void * initdata)
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{
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HRESULT err;
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DSBUFFERDESC bufdesc = {};
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WAVEFORMATEX wfex = {};
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if (Initialised)
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DirectSoundDrv_PCM_Shutdown();
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if (FAILED(err = DirectSoundCreate(0, &lpds, 0)))
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DIRECTSOUND_ERROR(err, DSErr_DirectSoundCreate);
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if (FAILED(err = IDirectSound_SetCooperativeLevel(lpds, (HWND) initdata, DSSCL_PRIORITY)))
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DIRECTSOUND_ERROR(err, DSErr_SetCooperativeLevel);
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bufdesc.dwSize = sizeof(DSBUFFERDESC);
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bufdesc.dwFlags = DSBCAPS_LOCSOFTWARE | DSBCAPS_PRIMARYBUFFER | DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS;
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if (FAILED(err = IDirectSound_CreateSoundBuffer(lpds, &bufdesc, &lpdsbprimary, 0)))
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DIRECTSOUND_ERROR(err, DSErr_CreateSoundBuffer);
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wfex.wFormatTag = WAVE_FORMAT_PCM;
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wfex.nChannels = *numchannels;
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wfex.nSamplesPerSec = *mixrate;
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wfex.wBitsPerSample = 16;
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wfex.nBlockAlign = wfex.nChannels * wfex.wBitsPerSample / 8;
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wfex.nAvgBytesPerSec = wfex.nSamplesPerSec * wfex.nBlockAlign;
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if (FAILED(err = IDirectSoundBuffer_SetFormat(lpdsbprimary, &wfex)))
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DIRECTSOUND_ERROR(err, DSErr_SetFormat);
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bufdesc.dwFlags = DSBCAPS_LOCSOFTWARE | DSBCAPS_CTRLPOSITIONNOTIFY | DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS;
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bufdesc.dwBufferBytes = wfex.nBlockAlign * 2048 * 2;
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bufdesc.lpwfxFormat = &wfex;
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if (FAILED(err = IDirectSound_CreateSoundBuffer(lpds, &bufdesc, &lpdsbsec, 0)))
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DIRECTSOUND_ERROR(err, DSErr_CreateSoundBufferSecondary);
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if (FAILED(err = IDirectSoundBuffer_QueryInterface(lpdsbsec, &IID_IDirectSoundNotify, (LPVOID *)&lpdsnotify)))
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DIRECTSOUND_ERROR(err, DSErr_Notify);
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for (int i = 0; i < MIXBUFFERPOSITIONS; i++)
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{
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notifyPositions[i].dwOffset = (bufdesc.dwBufferBytes/MIXBUFFERPOSITIONS)*i;
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notifyPositions[i].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
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if (!notifyPositions[i].hEventNotify)
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DIRECTSOUND_ERROR(DS_OK, DSErr_NotifyEvents);
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}
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notifyPositions[MIXBUFFERPOSITIONS].dwOffset = DSBPN_OFFSETSTOP;
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notifyPositions[MIXBUFFERPOSITIONS].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
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if (FAILED(err = IDirectSoundNotify_SetNotificationPositions(lpdsnotify, MIXBUFFERPOSITIONS+1, notifyPositions)))
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DIRECTSOUND_ERROR(err, DSErr_SetNotificationPositions);
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if (FAILED(err = IDirectSoundBuffer_Play(lpdsbprimary, 0, 0, DSBPLAY_LOOPING)))
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DIRECTSOUND_ERROR(err, DSErr_Play);
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if ((mutex = CreateMutex(0, FALSE, 0)) == NULL)
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DIRECTSOUND_ERROR(DS_OK, DSErr_CreateMutex);
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Initialised = 1;
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return DSErr_Ok;
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}
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#undef DIRECTSOUND_ERROR
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void DirectSoundDrv_PCM_Shutdown(void)
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{
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if (!Initialised)
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return;
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DirectSoundDrv_PCM_StopPlayback();
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TeardownDSound(DS_OK);
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Initialised = 0;
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}
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int32_t DirectSoundDrv_PCM_BeginPlayback(char *BufferStart, int32_t BufferSize, int32_t NumDivisions, void (*CallBackFunc)(void))
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{
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if (!Initialised)
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{
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ErrorCode = DSErr_Uninitialised;
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return DSErr_Error;
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}
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DirectSoundDrv_PCM_StopPlayback();
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MixBuffer = BufferStart;
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MixBufferSize = BufferSize;
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MixBufferCount = NumDivisions;
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MixBufferCurrent = 0;
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MixBufferUsed = 0;
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MixCallBack = CallBackFunc;
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// prime the buffer
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FillBuffer(0);
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if ((mixThread = CreateThread(NULL, 0, fillDataThread, 0, 0, 0)) == NULL)
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{
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ErrorCode = DSErr_CreateThread;
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return DSErr_Error;
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}
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SetThreadPriority(mixThread, THREAD_PRIORITY_ABOVE_NORMAL);
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HRESULT err = IDirectSoundBuffer_Play(lpdsbsec, 0, 0, DSBPLAY_LOOPING);
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if (FAILED(err))
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{
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ErrorCode = DSErr_PlaySecondary;
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return DSErr_Error;
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}
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Playing = 1;
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return DSErr_Ok;
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}
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void DirectSoundDrv_PCM_StopPlayback(void)
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{
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if (!Playing)
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return;
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IDirectSoundBuffer_Stop(lpdsbsec);
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IDirectSoundBuffer_SetCurrentPosition(lpdsbsec, 0);
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Playing = 0;
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}
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void DirectSoundDrv_PCM_Lock(void)
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{
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DWORD const err = WaitForSingleObject(mutex, INFINITE);
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if (err != WAIT_OBJECT_0)
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{
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if (MV_Printf)
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MV_Printf("DirectSound lock: wfso %d\n", (int32_t)err);
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}
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}
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void DirectSoundDrv_PCM_Unlock(void)
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{
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ReleaseMutex(mutex);
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}
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int32_t DirectSoundDrv_GetError(void)
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{
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return ErrorCode;
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}
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const char *DirectSoundDrv_ErrorString( int32_t ErrorNumber )
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const char *DirectSoundDrv_ErrorString(int32_t ErrorNumber)
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{
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const char *ErrorString;
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switch( ErrorNumber )
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switch (ErrorNumber)
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{
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case DSErr_Warning :
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case DSErr_Error :
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ErrorString = DirectSoundDrv_ErrorString( ErrorCode );
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break;
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case DSErr_Warning:
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case DSErr_Error:
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ErrorString = DirectSoundDrv_ErrorString(ErrorCode);
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break;
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case DSErr_Ok :
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ErrorString = "DirectSound ok.";
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break;
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case DSErr_Ok:
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ErrorString = "DirectSound ok.";
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break;
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case DSErr_Uninitialised:
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ErrorString = "DirectSound uninitialised.";
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@ -267,229 +441,4 @@ const char *DirectSoundDrv_ErrorString( int32_t ErrorNumber )
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}
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return ErrorString;
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}
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static void TeardownDSound(HRESULT err)
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{
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if (FAILED(err)) {
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if (MV_Printf)
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MV_Printf( "Dying error: %x\n", (uint32_t) err);
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}
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if (lpdsnotify) IDirectSoundNotify_Release(lpdsnotify);
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if (notifyPositions[0].hEventNotify) CloseHandle(notifyPositions[0].hEventNotify);
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if (notifyPositions[1].hEventNotify) CloseHandle(notifyPositions[1].hEventNotify);
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if (notifyPositions[2].hEventNotify) CloseHandle(notifyPositions[2].hEventNotify);
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if (mutex) CloseHandle(mutex);
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if (lpdsbsec) IDirectSoundBuffer_Release(lpdsbsec);
|
||||
if (lpdsbprimary) IDirectSoundBuffer_Release(lpdsbprimary);
|
||||
if (lpds) IDirectSound_Release(lpds);
|
||||
notifyPositions[0].hEventNotify =
|
||||
notifyPositions[1].hEventNotify =
|
||||
notifyPositions[2].hEventNotify = 0;
|
||||
mutex = NULL;
|
||||
lpdsnotify = NULL;
|
||||
lpdsbsec = NULL;
|
||||
lpdsbprimary = NULL;
|
||||
lpds = NULL;
|
||||
}
|
||||
|
||||
int32_t DirectSoundDrv_PCM_Init(int32_t *mixrate, int32_t *numchannels, void * initdata)
|
||||
{
|
||||
HRESULT err;
|
||||
DSBUFFERDESC bufdesc;
|
||||
WAVEFORMATEX wfex;
|
||||
|
||||
if (Initialised) {
|
||||
DirectSoundDrv_PCM_Shutdown();
|
||||
}
|
||||
|
||||
err = DirectSoundCreate(0, &lpds, 0);
|
||||
if (FAILED( err )) {
|
||||
ErrorCode = DSErr_DirectSoundCreate;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
err = IDirectSound_SetCooperativeLevel(lpds, (HWND) initdata, DSSCL_PRIORITY);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_SetCooperativeLevel;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
memset(&bufdesc, 0, sizeof(DSBUFFERDESC));
|
||||
bufdesc.dwSize = sizeof(DSBUFFERDESC);
|
||||
bufdesc.dwFlags = DSBCAPS_LOCSOFTWARE |
|
||||
DSBCAPS_PRIMARYBUFFER |
|
||||
DSBCAPS_GETCURRENTPOSITION2 |
|
||||
DSBCAPS_STICKYFOCUS ;
|
||||
|
||||
err = IDirectSound_CreateSoundBuffer(lpds, &bufdesc, &lpdsbprimary, 0);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_CreateSoundBuffer;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
memset(&wfex, 0, sizeof(WAVEFORMATEX));
|
||||
wfex.wFormatTag = WAVE_FORMAT_PCM;
|
||||
wfex.nChannels = *numchannels;
|
||||
wfex.nSamplesPerSec = *mixrate;
|
||||
wfex.wBitsPerSample = 16;
|
||||
wfex.nBlockAlign = wfex.nChannels * wfex.wBitsPerSample / 8;
|
||||
wfex.nAvgBytesPerSec = wfex.nSamplesPerSec * wfex.nBlockAlign;
|
||||
|
||||
err = IDirectSoundBuffer_SetFormat(lpdsbprimary, &wfex);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_SetFormat;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
bufdesc.dwFlags = DSBCAPS_LOCSOFTWARE |
|
||||
DSBCAPS_CTRLPOSITIONNOTIFY |
|
||||
DSBCAPS_GETCURRENTPOSITION2 |
|
||||
DSBCAPS_STICKYFOCUS ;
|
||||
bufdesc.dwBufferBytes = wfex.nBlockAlign * 2560 * 2;
|
||||
bufdesc.lpwfxFormat = &wfex;
|
||||
|
||||
err = IDirectSound_CreateSoundBuffer(lpds, &bufdesc, &lpdsbsec, 0);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_SetFormatSecondary;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
err = IDirectSoundBuffer_QueryInterface(lpdsbsec, &IID_IDirectSoundNotify,
|
||||
(LPVOID *) &lpdsnotify);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_Notify;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
notifyPositions[0].dwOffset = 0;
|
||||
notifyPositions[0].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
|
||||
notifyPositions[1].dwOffset = bufdesc.dwBufferBytes / 2;
|
||||
notifyPositions[1].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
|
||||
notifyPositions[2].dwOffset = DSBPN_OFFSETSTOP;
|
||||
notifyPositions[2].hEventNotify = CreateEvent(NULL, FALSE, FALSE, NULL);
|
||||
if (!notifyPositions[0].hEventNotify ||
|
||||
!notifyPositions[1].hEventNotify ||
|
||||
!notifyPositions[2].hEventNotify) {
|
||||
TeardownDSound(DS_OK);
|
||||
ErrorCode = DSErr_NotifyEvents;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
err = IDirectSoundNotify_SetNotificationPositions(lpdsnotify, 3, notifyPositions);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_SetNotificationPositions;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
err = IDirectSoundBuffer_Play(lpdsbprimary, 0, 0, DSBPLAY_LOOPING);
|
||||
if (FAILED( err )) {
|
||||
TeardownDSound(err);
|
||||
ErrorCode = DSErr_Play;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
mutex = CreateMutex(0, FALSE, 0);
|
||||
if (!mutex) {
|
||||
TeardownDSound(DS_OK);
|
||||
ErrorCode = DSErr_CreateMutex;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
Initialised = 1;
|
||||
|
||||
// initprintf("DirectSound Init: yay\n");
|
||||
|
||||
return DSErr_Ok;
|
||||
}
|
||||
|
||||
void DirectSoundDrv_PCM_Shutdown(void)
|
||||
{
|
||||
if (!Initialised) {
|
||||
return;
|
||||
}
|
||||
|
||||
DirectSoundDrv_PCM_StopPlayback();
|
||||
|
||||
TeardownDSound(DS_OK);
|
||||
|
||||
Initialised = 0;
|
||||
}
|
||||
|
||||
int32_t DirectSoundDrv_PCM_BeginPlayback(char *BufferStart, int32_t BufferSize,
|
||||
int32_t NumDivisions, void ( *CallBackFunc )( void ) )
|
||||
{
|
||||
HRESULT err;
|
||||
|
||||
if (!Initialised) {
|
||||
ErrorCode = DSErr_Uninitialised;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
DirectSoundDrv_PCM_StopPlayback();
|
||||
|
||||
MixBuffer = BufferStart;
|
||||
MixBufferSize = BufferSize;
|
||||
MixBufferCount = NumDivisions;
|
||||
MixBufferCurrent = 0;
|
||||
MixBufferUsed = 0;
|
||||
MixCallBack = CallBackFunc;
|
||||
|
||||
// prime the buffer
|
||||
FillBuffer(0);
|
||||
|
||||
mixThread = CreateThread(NULL, 0, fillDataThread, 0, 0, 0);
|
||||
if (!mixThread) {
|
||||
ErrorCode = DSErr_CreateThread;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
SetThreadPriority(mixThread, THREAD_PRIORITY_ABOVE_NORMAL);
|
||||
|
||||
err = IDirectSoundBuffer_Play(lpdsbsec, 0, 0, DSBPLAY_LOOPING);
|
||||
if (FAILED( err )) {
|
||||
ErrorCode = DSErr_PlaySecondary;
|
||||
return DSErr_Error;
|
||||
}
|
||||
|
||||
Playing = 1;
|
||||
|
||||
return DSErr_Ok;
|
||||
}
|
||||
|
||||
void DirectSoundDrv_PCM_StopPlayback(void)
|
||||
{
|
||||
if (!Playing) {
|
||||
return;
|
||||
}
|
||||
|
||||
IDirectSoundBuffer_Stop(lpdsbsec);
|
||||
IDirectSoundBuffer_SetCurrentPosition(lpdsbsec, 0);
|
||||
|
||||
Playing = 0;
|
||||
}
|
||||
|
||||
void DirectSoundDrv_PCM_Lock(void)
|
||||
{
|
||||
DWORD err;
|
||||
|
||||
err = WaitForSingleObject(mutex, INFINITE);
|
||||
if (err != WAIT_OBJECT_0) {
|
||||
if (MV_Printf)
|
||||
MV_Printf( "DirectSound lock: wfso %d\n", (int32_t) err);
|
||||
}
|
||||
}
|
||||
|
||||
void DirectSoundDrv_PCM_Unlock(void)
|
||||
{
|
||||
ReleaseMutex(mutex);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,12 +20,33 @@
|
|||
|
||||
#include "inttypes.h"
|
||||
|
||||
enum
|
||||
{
|
||||
DSErr_Warning = -2,
|
||||
DSErr_Error = -1,
|
||||
DSErr_Ok = 0,
|
||||
DSErr_Uninitialised,
|
||||
DSErr_DirectSoundCreate,
|
||||
DSErr_SetCooperativeLevel,
|
||||
DSErr_CreateSoundBuffer,
|
||||
DSErr_CreateSoundBufferSecondary,
|
||||
DSErr_SetFormat,
|
||||
DSErr_SetFormatSecondary,
|
||||
DSErr_Notify,
|
||||
DSErr_NotifyEvents,
|
||||
DSErr_SetNotificationPositions,
|
||||
DSErr_Play,
|
||||
DSErr_PlaySecondary,
|
||||
DSErr_CreateThread,
|
||||
DSErr_CreateMutex
|
||||
};
|
||||
|
||||
int32_t DirectSoundDrv_GetError(void);
|
||||
const char *DirectSoundDrv_ErrorString( int32_t ErrorNumber );
|
||||
int32_t DirectSoundDrv_PCM_Init(int32_t *mixrate, int32_t *numchannels, void * initdata);
|
||||
void DirectSoundDrv_PCM_Shutdown(void);
|
||||
int32_t DirectSoundDrv_PCM_BeginPlayback(char *BufferStart, int32_t BufferSize,
|
||||
int32_t NumDivisions, void ( *CallBackFunc )( void ) );
|
||||
void DirectSoundDrv_PCM_StopPlayback(void);
|
||||
void DirectSoundDrv_PCM_Lock(void);
|
||||
void DirectSoundDrv_PCM_Unlock(void);
|
||||
const char *DirectSoundDrv_ErrorString(int32_t ErrorNumber);
|
||||
|
||||
int32_t DirectSoundDrv_PCM_Init(int32_t *mixrate, int32_t *numchannels, void *initdata);
|
||||
int32_t DirectSoundDrv_PCM_BeginPlayback(char *BufferStart, int32_t BufferSize, int32_t NumDivisions, void (*CallBackFunc)(void));
|
||||
void DirectSoundDrv_PCM_StopPlayback(void);
|
||||
void DirectSoundDrv_PCM_Lock(void);
|
||||
void DirectSoundDrv_PCM_Unlock(void);
|
||||
void DirectSoundDrv_PCM_Shutdown(void);
|
||||
|
|
|
|||
Loading…
Reference in a new issue