double VDAudioOutputWaveOutW32::GetPositionTime() {
MMTIME mmtime;
if (mCurState != kStatePlaying) return -1;
mmtime.wType = TIME_MS;
MMRESULT res;
vdsynchronized(mcsWaveDevice) {
res = waveOutGetPosition(mhWaveOut, &mmtime, sizeof mmtime);
}
if (MMSYSERR_NOERROR != res)
return -1;
switch(mmtime.wType) {
case TIME_BYTES:
return (double)mmtime.u.cb / (double)mAvgBytesPerSec;
case TIME_MS:
return (double)mmtime.u.ms / 1000.0;
case TIME_SAMPLES:
return (double)mmtime.u.sample / (double)mSamplesPerSec;
}
return -1;
}
_int64 pcm_get_buffering_time()
{
if (!wout) return 1;
MMTIME mmt;
mmt.wType = TIME_BYTES;
waveOutGetPosition(wout, &mmt, sizeof(mmt));
return (_int64)(total_bytes - mmt.u.cb) * 1000000 / cb_per_sec;
}
ULONG GetPos(MADDriverRec *WinMADDriver)
{
MMTIME mmt;
mmt.wType = TIME_BYTES;
waveOutGetPosition(WinMADDriver->hWaveOut, &mmt,sizeof(MMTIME));
return(mmt.u.cb & 0xfffffff0); // A cause du 16 bits??
}
long msys_soundGetPosInSamples( void )
{
MMTIME mmt;
mmt.wType = TIME_SAMPLES;
waveOutGetPosition( h, &mmt, sizeof(MMTIME) );
return mmt.u.cb;
}
long getPosition(Audio *audio)
{
MMTIME mmtime;
MMRESULT rc;
mmtime.wType = TIME_MS;
if (audio->whdr != NULL) {
rc = waveOutGetPosition(audio->hwo, &mmtime, sizeof(mmtime));
return mmtime.u.ms;
} else {
return 0;
}
}
uint32_t AudioPlayback::QueryStreamPosition()
{
uint32_t pos = 0;
if (hWaveOut && _sound)
{
MMTIME mmTime = {};
mmTime.wType = TIME_BYTES;
if (MMSYSERR_NOERROR == waveOutGetPosition(hWaveOut, &mmTime, sizeof(mmTime)))
{
pos = mmTime.u.cb;
}
}
return pos;
}
DWORD AudioPlayback::QueryPosition(DWORD scope)
{
DWORD pos = 0;
if (hWaveOut && _sound)
{
MMTIME mmTime = {};
mmTime.wType = TIME_BYTES;
if (MMSYSERR_NOERROR == waveOutGetPosition(hWaveOut, &mmTime, sizeof(mmTime)))
{
pos = (scope * mmTime.u.cb / _sound->DigitalSamplePCM.size());
}
}
return pos;
}
static void DrawWave(struct client *pc, HDC hdc, WPARAM wParam){
#if 0
int k;
MMTIME mmtime;
RECT rr = {320, 320, 320 + 32, 320 + 32};
mmtime.wType = TIME_SAMPLES;
waveOutGetPosition(pc->hwo, &mmtime, sizeof mmtime);
SetBkColor(hdc, !mmtime.u.sample ? RGB(255,0,0) : RGB(0,255,0));
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rr, NULL, 0, NULL);
rr.left += 32;
rr.right += 32;
for(k = 0; k < 2; k++){
SetBkColor(hdc, (~(whs[k].dwFlags | ~(/*WHDR_PREPARED |*/ WHDR_DONE))) | (whs[k].dwFlags & WHDR_INQUEUE) ? RGB(255,0,0) : RGB(0,255,0));
rr.left += k * 32;
rr.right += k * 32;
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rr, NULL, 0, NULL);
}
#endif
#if 1
int i, t;
{
MMTIME mmt;
mmt.wType = TIME_SAMPLES;
waveOutGetPosition(pc->hwo, &mmt, sizeof mmt);
t = mmt.u.sample % numof(soundbuf[0]);
}
SetBkColor(hdc, RGB(127, 127, 127));
RECT rr = {320, 320, 320 + 256, 320 + 256};
ExtTextOut(hdc, 0, 0, ETO_OPAQUE, &rr, NULL, 0, NULL);
for(i = 0; i < 256; i++){
if(i == t * numof(soundbuf[0]) / 256)
SelectObject(hdc, GetStockObject(WHITE_PEN));
MoveToEx(hdc, 320 + i, 320 + 128, NULL);
LineTo(hdc, 320 + i, 320 + ((BYTE*)((WAVEHDR*)wParam)->lpData)[i * numof(soundbuf[0]) / 256]);
}
#endif
}
float WaveLib_PlaybackTime(HWAVEOUT hWaveOut)
{
//PWAVELIB pWaveLib = NULL;
FLOAT time;
//int total_playtime = WaveFileHeader.
playbacktime.wType = TIME_MS; //Make sure time is in the smpte section of the mmtime struct
playbacktime_size = sizeof(playbacktime);
waveOutGetPosition(hWaveOut, &playbacktime, playbacktime_size);
time = (float)playbacktime.u.ms / 100000;
//printf("Elapsed Time: %0.4f",time);
return time;
//printf("Elapsed Time: %d:%",playbacktime.u.smpte.min, playbacktime.u.smpte.sec);
}
DWORD COutput::GetCurrent()
{
CAutoLock lock(&m_csecDevice);
if (!m_hwo)
return 0;
if (m_fDoubleBuf)
return m_dwTotalSamples;
MMTIME time;
memset(&time, 0, sizeof(MMTIME));
time.wType = TIME_SAMPLES;
waveOutGetPosition(m_hwo, &time, sizeof(MMTIME));
return time.u.sample;
}
int
cubeb_stream_get_position(cubeb_stream * stm, uint64_t * position)
{
MMRESULT r;
MMTIME time;
time.wType = TIME_SAMPLES;
r = waveOutGetPosition(stm->waveout, &time, sizeof(time));
assert(r == MMSYSERR_NOERROR);
assert(time.wType == TIME_SAMPLES);
*position = time.u.sample;
return CUBEB_OK;
}
/** sync/timing */
int sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos) {
int status;
MMTIME mm;
ERROR_IF_NO_INIT(s);
if (position != SA_POSITION_WRITE_HARDWARE) {
return SA_ERROR_NOT_SUPPORTED;
}
// request playback progress in bytes
mm.wType = TIME_BYTES;
status = waveOutGetPosition(s->hWaveOut, &mm, sizeof(MMTIME));
HANDLE_WAVE_ERROR(status, "reading audio buffer position");
*pos = (int64_t)mm.u.cb;
return SA_SUCCESS;
}
static int
winmm_stream_get_latency(cubeb_stream * stm, uint32_t * latency)
{
MMRESULT r;
MMTIME time;
uint64_t written;
EnterCriticalSection(&stm->lock);
time.wType = TIME_SAMPLES;
r = waveOutGetPosition(stm->waveout, &time, sizeof(time));
written = stm->written;
LeaveCriticalSection(&stm->lock);
*latency = written - time.u.sample;
return CUBEB_OK;
}
/*
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[SEE_ALSO]
*/
DWORD FSOUND_Software_DoubleBufferThread(LPDWORD lpdwParam)
{
int totalblocks;
FSOUND_Software_ThreadFinished = FALSE;
totalblocks = FSOUND_BufferSize / FSOUND_BlockSize;
while (!FSOUND_Software_Exit)
{
int cursorpos,cursorblock,prevblock;
MMTIME mmt;
mmt.wType = TIME_BYTES;
waveOutGetPosition(FSOUND_WaveOutHandle, &mmt, sizeof(MMTIME));
mmt.u.cb >>= 2;
cursorpos = mmt.u.cb;
cursorpos %= FSOUND_BufferSize;
cursorblock = cursorpos / FSOUND_BlockSize;
prevblock = cursorblock - 1;
if (prevblock < 0)
prevblock = totalblocks - 1;
while (FSOUND_Software_FillBlock != cursorblock)
{
FSOUND_Software_UpdateMutex = TRUE;
FSOUND_Software_Fill();
FSOUND_Software_RealBlock++;
if (FSOUND_Software_RealBlock >= totalblocks)
FSOUND_Software_RealBlock = 0;
FSOUND_Software_UpdateMutex = FALSE;
}
Sleep(5);
};
FSOUND_Software_ThreadFinished = TRUE;
return 0;
}
static pa_usec_t sink_get_latency(struct userdata *u) {
uint32_t free_frags;
MMTIME mmt;
pa_assert(u);
pa_assert(u->sink);
memset(&mmt, 0, sizeof(mmt));
mmt.wType = TIME_BYTES;
if (waveOutGetPosition(u->hwo, &mmt, sizeof(mmt)) == MMSYSERR_NOERROR)
return pa_bytes_to_usec(u->written_bytes - mmt.u.cb, &u->sink->sample_spec);
else {
EnterCriticalSection(&u->crit);
free_frags = u->free_ofrags;
LeaveCriticalSection(&u->crit);
return pa_bytes_to_usec((u->fragments - free_frags) * u->fragment_size, &u->sink->sample_spec);
}
}
UINT64 GetPos() {
static const DWORD WRAP_BITS = 27;
static const UINT64 WRAP_MASK = (1 << 27) - 1;
static const int WRAP_THRESHOLD = 1 << (WRAP_BITS - 1);
// Taking a snapshot to avoid possible thread interference
UINT64 playPositionSnapshot = prevPlayPosition;
DWORD wrapCount = DWORD(playPositionSnapshot >> WRAP_BITS);
DWORD wrappedPosition = DWORD(playPositionSnapshot & WRAP_MASK);
MMTIME mmTime;
mmTime.wType = TIME_SAMPLES;
if (waveOutGetPosition(hWaveOut, &mmTime, sizeof(MMTIME)) != MMSYSERR_NOERROR) {
MessageBox(NULL, L"Failed to get current playback position", L"MT32", MB_OK | MB_ICONEXCLAMATION);
return 10;
}
if (mmTime.wType != TIME_SAMPLES) {
MessageBox(NULL, L"Failed to get # of samples played", L"MT32", MB_OK | MB_ICONEXCLAMATION);
return 10;
}
mmTime.u.sample &= WRAP_MASK;
// Deal with waveOutGetPosition() wraparound. For 16-bit stereo output, it equals 2^27,
// presumably caused by the internal 32-bit counter of bits played.
// The output of that nasty waveOutGetPosition() isn't monotonically increasing
// even during 2^27 samples playback, so we have to ensure the difference is big enough...
int delta = mmTime.u.sample - wrappedPosition;
if (delta < -WRAP_THRESHOLD) {
#ifdef ENABLE_DEBUG_OUTPUT
std::cout << "MT32: GetPos() wrap: " << delta << "\n";
#endif
++wrapCount;
} else if (delta < 0) {
// This ensures the return is monotonically increased
#ifdef ENABLE_DEBUG_OUTPUT
std::cout << "MT32: GetPos() went back by " << delta << " samples\n";
#endif
return playPositionSnapshot;
}
prevPlayPosition = playPositionSnapshot = mmTime.u.sample + (wrapCount << WRAP_BITS);
return playPositionSnapshot;
}
int
cubeb_stream_get_position(cubeb_stream * stm, uint64_t * position)
{
MMRESULT r;
MMTIME time;
EnterCriticalSection(&stm->lock);
time.wType = TIME_SAMPLES;
r = waveOutGetPosition(stm->waveout, &time, sizeof(time));
LeaveCriticalSection(&stm->lock);
if (r != MMSYSERR_NOERROR || time.wType != TIME_SAMPLES) {
return CUBEB_ERROR;
}
*position = time.u.sample;
return CUBEB_OK;
}
BOOL COXSound::GetCurrentPosition(MMTIME* pMMTime) const
{
if(!m_hWaveOut)
{
return FALSE;
}
if(!IsPlaying())
{
return FALSE;
}
ASSERT(pMMTime != NULL);
// Return time in milliseconds
pMMTime->wType=TIME_MS;
MMRESULT hResult;
hResult=waveOutGetPosition(m_hWaveOut,pMMTime,sizeof(MMTIME));
return (hResult==MMSYSERR_NOERROR);
}
static int
winmm_stream_get_latency(cubeb_stream * stm, uint32_t * latency)
{
MMRESULT r;
MMTIME time;
uint64_t written;
EnterCriticalSection(&stm->lock);
time.wType = TIME_SAMPLES;
r = waveOutGetPosition(stm->waveout, &time, sizeof(time));
written = stm->written;
LeaveCriticalSection(&stm->lock);
if (r != MMSYSERR_NOERROR || time.wType != TIME_SAMPLES) {
return CUBEB_ERROR;
}
XASSERT(written - time.u.sample <= UINT32_MAX);
*latency = (uint32_t) (written - time.u.sample);
return CUBEB_OK;
}
CADENCII_MEDIA_HELPER_API(double, SoundGetPosition)() {
if ( NULL == wave_out ) {
return 0.0;
}
MMTIME mmt;
mmt.wType = TIME_MS;
EnterCriticalSection( &locker );
waveOutGetPosition( wave_out, &mmt, sizeof( MMTIME ) );
LeaveCriticalSection( &locker );
float ms = 0.0f;
switch ( mmt.wType ) {
case TIME_MS:
return mmt.u.ms * 0.001;
case TIME_SAMPLES:
return (double)mmt.u.sample / (double)wave_format.nSamplesPerSec;
case TIME_BYTES:
return (double)mmt.u.cb / (double)wave_format.nAvgBytesPerSec;
default:
return 0.0;
}
return 0.0;
}
void SoundCardPMO::HandleTimeInfoEvent(PMOTimeInfoEvent *pEvent)
{
MediaTimeInfoEvent *pmtpi;
int32 hours, minutes, seconds;
int iTotalTime = 0;
MMTIME sTime;
if (m_iBaseTime == MAXINT32)
{
if (!pEvent)
return;
m_iBaseTime = (pEvent->GetFrameNumber() * m_samples_per_frame) /
m_samples_per_second;
sTime.wType = TIME_BYTES;
if (waveOutGetPosition(m_hwo, &sTime, sizeof(sTime)) != MMSYSERR_NOERROR)
return;
m_iBaseTime -= (sTime.u.cb / (m_samples_per_second * m_iBytesPerSample));
m_iLastTime = 0;
}
if (m_samples_per_second <= 0)
return;
sTime.wType = TIME_BYTES;
if (waveOutGetPosition(m_hwo, &sTime, sizeof(sTime)) != MMSYSERR_NOERROR)
return;
iTotalTime = (sTime.u.cb / (m_samples_per_second * m_iBytesPerSample)) +
m_iBaseTime;
// Time needs to be greater or equal to the last time for each pass,
// otherwise we have a break in playback, in which case we need to
// reset the base time. After a break in playback the waveOutGetPosition()
// function will reset back to 0.
// Alternatively, if m_iBaseTime gets messed up (i.e. its more than 24 hours!)
// force a reset as well.
if (iTotalTime < m_iLastTime || (m_iBaseTime > 86400 && m_iBaseTime < MAXINT32))
{
Debug_v("Reset: %d %d %d", iTotalTime, m_iLastTime, m_iBaseTime);
m_iBaseTime = MAXINT32;
return;
}
hours = iTotalTime / 3600;
minutes = (iTotalTime -
(hours * 3600)) / 60;
seconds = iTotalTime -
(hours * 3600) -
(minutes * 60);
// If something became wonky, reset.
if (minutes < 0 || minutes > 59 ||
seconds < 0 || seconds > 59 ||
hours < 0 || hours > 24)
{
m_iBaseTime = MAXINT32;
return;
}
pmtpi = new MediaTimeInfoEvent(hours, minutes, seconds, 0,
(float)iTotalTime, 0);
m_pTarget->AcceptEvent(pmtpi);
m_iLastTime = iTotalTime;
}
void entrypoint( void )
{
// full screen
#ifdef SETRESOLUTION
if( ChangeDisplaySettings(&screenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL) return;
#endif
// create window
HWND hWnd = CreateWindow( "static",0,WS_POPUP|WS_VISIBLE|WS_MAXIMIZE,0,0,0,0,0,0,0,0);
HDC hDC = GetDC(hWnd);
// initalize opengl
if( !SetPixelFormat(hDC,ChoosePixelFormat(hDC,&pfd),&pfd) ) return;
HGLRC tempOpenGLContext;
tempOpenGLContext = wglCreateContext(hDC);
wglMakeCurrent(hDC, tempOpenGLContext);
// create openGL functions
for (int i=0; i<NUM_GL_NAMES; i++) glFP[i] = (GenFP)wglGetProcAddress(glnames[i]);
HGLRC hRC = wglCreateContextAttribsARB(hDC, NULL, glAttribs);
// Remove temporary context and set new one
wglMakeCurrent(NULL, NULL);
wglDeleteContext(tempOpenGLContext);
wglMakeCurrent(hDC, hRC);
// init intro
intro_init();
// open audio device
waveOutOpen(&hWaveOut, WAVE_MAPPER, &wfx, 0, 0, CALLBACK_NULL);
// create music block
mzk_init();
// prepare and play music block
header[0].lpData = (char *)myMuzikBlock[0];
header[1].lpData = (char *)myMuzikBlock[1];
header[0].dwBufferLength = AUDIO_BUFFER_SIZE * MZK_NUMCHANNELS * 2;
header[1].dwBufferLength = AUDIO_BUFFER_SIZE * MZK_NUMCHANNELS * 2;
waveOutPrepareHeader(hWaveOut, &(header[0]), sizeof(WAVEHDR));
waveOutWrite(hWaveOut, &(header[0]), sizeof(WAVEHDR));
waveOutPrepareHeader(hWaveOut, &(header[1]), sizeof(WAVEHDR));
waveOutWrite(hWaveOut, &(header[1]), sizeof(WAVEHDR));
timer.wType = TIME_SAMPLES;
do
{
MSG msg;
PeekMessage(&msg, NULL, 0, 0, PM_REMOVE);
ShowCursor(0);
waveOutGetPosition(hWaveOut, &timer, sizeof(timer));
DWORD t = timer.u.sample;
intro_do(t);
//SwapBuffers ( hDC );
wglSwapLayerBuffers( hDC, WGL_SWAP_MAIN_PLANE );
// Try to unprepare header
if (waveOutUnprepareHeader(hWaveOut, &(header[nextPlayBlock]), sizeof(WAVEHDR))
!= WAVERR_STILLPLAYING)
{
mzk_prepare_block(myMuzikBlock[nextPlayBlock]);
waveOutPrepareHeader(hWaveOut, &(header[nextPlayBlock]), sizeof(WAVEHDR));
waveOutWrite(hWaveOut, &(header[nextPlayBlock]), sizeof(WAVEHDR));
nextPlayBlock = 1 - nextPlayBlock;
}
} while ( !(GetAsyncKeyState(VK_ESCAPE) || GetAsyncKeyState(VK_F4)));
sndPlaySound(0,0);
ExitProcess(0);
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
char file[512];
WAVEHDR * pwhOut;
MMTIME mmt;
unsigned long * framebuf;
switch (message) // switch selon le message
{
case WM_CREATE:
SetTimer(hWnd,0,10,NULL);
break;
case WM_DROPFILES:
file[0] = 0;
DragQueryFile((HDROP)wParam, 0, (char*)file, sizeof(file));
loadmod(file);
break;
case WM_TIMER:
mmt.wType = TIME_SAMPLES;
if(waveOutGetPosition(wout,&mmt,sizeof(MMTIME)) == MMSYSERR_NOERROR)
{
file[0] = 0;
if(IsWindowVisible(hWnd) && fg)
{
if(mmt.u.sample&NBSTEREO16BITSAMPLES)
{
framebuf = fg_generateFrame(fg,&trackbuf_state2,mmt.u.sample&(NBSTEREO16BITSAMPLES-1));
}
else
{
framebuf = fg_generateFrame(fg,&trackbuf_state1,mmt.u.sample&(NBSTEREO16BITSAMPLES-1));
}
updateScreen(hWnd, framebuf, fg->xres,fg->yres);
}
}
break;
case WM_COMMAND: //Action sur un menu
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch(wmId)
{
case IDI_PLAY:
waveOutRestart(wout);
break;
case IDI_PAUSE:
waveOutPause(wout);
break;
case IDI_EJECT:
file[0] = 0;
if(fileselector(hWnd,file,"Load mod file","*.mod","*.mod",0,0))
{
loadmod(file);
}
break;
case IDI_INFO:
break;
case IDI_FILTER:
break;
case IDI_STEREO:
break;
case IDI_QUIT:
PostQuitMessage(0);
break;
}
break;
case WM_DESTROY:
break;
case WM_USER: //Message venant de l'icone de la barre des taches
switch(lParam)
{
case WM_LBUTTONDOWN:
if(GetFocus() == hWnd)
{
ShowWindow(hWnd,SW_HIDE);
}
else
{
ShowWindow(hWnd,SW_SHOWNORMAL);
SetFocus(hWnd);
}
break;
case WM_RBUTTONDOWN:
ListPopup(hWnd);
break;
}
break;
case WM_USER+1:
break;
case WM_CLOSE: //message de fermeture
ShowWindow(hWnd,SW_HIDE);
break;
case WM_MOUSEMOVE:
break;
case MM_WOM_OPEN:
break;
case MM_WOM_CLOSE:
break;
case MM_WOM_DONE:
pwhOut = (struct wavehdr_tag *)lParam;
if(pwhOut->lpData == (char*)&sndbuffer1)
{
trackbuf_state1.nb_of_state = 0;
hxcmod_fillbuffer(&modloaded,(unsigned short*)pwhOut->lpData, pwhOut->dwBufferLength /4,&trackbuf_state1);
}
else
{
trackbuf_state2.nb_of_state = 0;
hxcmod_fillbuffer(&modloaded,(unsigned short*)pwhOut->lpData, pwhOut->dwBufferLength /4,&trackbuf_state2);
}
waveOutWrite((HWAVEOUT)wParam,pwhOut,sizeof(WAVEHDR));
nb_wr_block++;
break;
case WM_KEYDOWN:
break;
default: // traitement par defaut de l'evenement (gerer par windows)
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
int GetCurrentSample()
{
waveOutGetPosition(hWaveOut, &MMTime, sizeof(MMTIME));
return MMTime.u.sample;
}
DWORD PlayWavStream::GetCurrentTime()
{
DWORD dwResult = 0;
m_mtWavOut.Lock();
if ( m_pWavOut &&
NULL != m_pWavOut->GetHwave() )
{
MMTIME mmt;
MMRESULT mmr;
mmt.wType = TIME_BYTES;
mmr = waveOutGetPosition( m_pWavOut->GetHwave(), &mmt, sizeof( mmt ) );
if ( m_WavFormat.nAvgBytesPerSec )
{
dwResult = (DWORD)( mmt.u.cb * 1000.0 / m_WavFormat.nAvgBytesPerSec );
}
}
m_mtWavOut.Unlock();
return dwResult;
}
// Return the time in milliseconds corresponding to the currently playing audio sample, or -1 if no audio is playing.
LONG CALLBACK aviaudioTime(void)
{
MMTIME mmtime;
if (audioPlayable <= 0)
return -1;
if (!sfPlaying)
return -1;
//not sure
if (recalc) {
streamEnd = AVIStreamEnd(spavi);
streamStart = AVIStreamStart(spavi);
recalc = 0;
//ErrMsg("recalc");
}
if ((streamEnd<=streamStart) || (streamEnd<=0))
return -1;
mmtime.wType = TIME_SAMPLES;
waveOutGetPosition(shWaveOut, &mmtime, sizeof(mmtime));
if (mmtime.wType == TIME_SAMPLES)
return AVIStreamSampleToTime(spavi, slBegin) + muldiv32(mmtime.u.sample, 1000, sdwSamplesPerSec);
else if (mmtime.wType == TIME_BYTES)
return AVIStreamSampleToTime(spavi, slBegin) + muldiv32(mmtime.u.cb, 1000, sdwBytesPerSec);
else
return -1;
}
sint32 VDAudioOutputWaveOutW32::GetPositionBytes() {
MMTIME mmtime;
if (mCurState != kStatePlaying) return -1;
mmtime.wType = TIME_BYTES;
MMRESULT res;
vdsynchronized(mcsWaveDevice) {
res = waveOutGetPosition(mhWaveOut, &mmtime, sizeof mmtime);
}
if (MMSYSERR_NOERROR != res)
return -1;
switch(mmtime.wType) {
case TIME_BYTES:
return mmtime.u.cb;
case TIME_MS:
return MulDiv(mmtime.u.ms, mAvgBytesPerSec, 1000);
case TIME_SAMPLES:
return MulDiv(mmtime.u.sample, mAvgBytesPerSec, mSamplesPerSec);
}
return -1;
}
int64_t RageSoundDriver_WaveOut::GetPosition() const
{
MMTIME tm;
tm.wType = TIME_SAMPLES;
MMRESULT ret = waveOutGetPosition( m_hWaveOut, &tm, sizeof(tm) );
if( ret != MMSYSERR_NOERROR )
FAIL_M( wo_ssprintf(ret, "waveOutGetPosition failed") );
return tm.u.sample;
}
MMRESULT TinyWaveOut::GetPosition(LPMMTIME pmmt)
{
if (hWaveOut == NULL || pmmt == NULL) return S_FALSE;
MMRESULT hRes = waveOutGetPosition(hWaveOut, pmmt, sizeof(WAVEOUTCAPS));
if (hRes != MMSYSERR_NOERROR)
{
waveOutClose(hWaveOut);
hWaveOut = NULL;
}
return hRes;
}
void flip()
{
MMTIME time;
int err;
if (playing==0) return;
if (timeout)
{
if (--timeout) return;
buffer.play(device);
}
memset(&time,0,sizeof(MMTIME));
time.wType=TIME_BYTES;
err=waveOutGetPosition(device,&time,sizeof(MMTIME));
if (time.wType!=TIME_BYTES) err=-666;else if (time.u.cb>0x10000000) err=-6667;
if (err) {
// printf("waveOutGetPosition failed err=%d\n",err);fflush(stdout);
waveOutReset(device);
mixpos=0;
memset(buffer.data,0,buffersize*samplesize*32);
buffer.play(device);
return;
}
int wavepos=time.u.cb/samplesize;
int writeahead=buffersize*lagbuffers;
if (wavepos && wavepos+buffersize*2>mixpos)
{
timeout=250;
memset(buffer.data,0,buffersize*samplesize*32);
waveOutReset(device);
if (lagbuffers<10) lagbuffers+=2;
mixpos=buffersize*lagbuffers*2;
// printf("collision");fflush(stdout);
return;
}
int seek=wavepos+writeahead;
while (mixpos<seek)
{
int f=(mixpos/buffersize)&31;
if (mode==0)
{
mix->mix8(buffer.data+f*buffersize);
}
else
{
mix->mix16((short *)buffer.data+f*buffersize);
}
mixpos+=buffersize;
}
}
