static void DX6_WaitAudio_EventWait(_THIS)
{
DWORD status;
HRESULT result;
/* Try to restore a lost sound buffer */
IDirectSoundBuffer_GetStatus(mixbuf, &status);
if ( (status&DSBSTATUS_BUFFERLOST) ) {
IDirectSoundBuffer_Restore(mixbuf);
IDirectSoundBuffer_GetStatus(mixbuf, &status);
if ( (status&DSBSTATUS_BUFFERLOST) ) {
return;
}
}
if ( ! (status&DSBSTATUS_PLAYING) ) {
result = IDirectSoundBuffer_Play(mixbuf, 0, 0, DSBPLAY_LOOPING);
if ( result != DS_OK ) {
#ifdef DEBUG_SOUND
SetDSerror("DirectSound Play", result);
#endif
return;
}
}
WaitForSingleObject(audio_event, INFINITE);
}
static void
DSOUND_WaitDevice(_THIS)
{
DWORD status = 0;
DWORD cursor = 0;
DWORD junk = 0;
HRESULT result = DS_OK;
/* Semi-busy wait, since we have no way of getting play notification
on a primary mixing buffer located in hardware (DirectX 5.0)
*/
result = IDirectSoundBuffer_GetCurrentPosition(this->hidden->mixbuf,
&junk, &cursor);
if (result != DS_OK) {
if (result == DSERR_BUFFERLOST) {
IDirectSoundBuffer_Restore(this->hidden->mixbuf);
}
#ifdef DEBUG_SOUND
SetDSerror("DirectSound GetCurrentPosition", result);
#endif
return;
}
while ((cursor / this->hidden->mixlen) == this->hidden->lastchunk) {
/* FIXME: find out how much time is left and sleep that long */
SDL_Delay(1);
/* Try to restore a lost sound buffer */
IDirectSoundBuffer_GetStatus(this->hidden->mixbuf, &status);
if ((status & DSBSTATUS_BUFFERLOST)) {
IDirectSoundBuffer_Restore(this->hidden->mixbuf);
IDirectSoundBuffer_GetStatus(this->hidden->mixbuf, &status);
if ((status & DSBSTATUS_BUFFERLOST)) {
break;
}
}
if (!(status & DSBSTATUS_PLAYING)) {
result = IDirectSoundBuffer_Play(this->hidden->mixbuf, 0, 0,
DSBPLAY_LOOPING);
if (result == DS_OK) {
continue;
}
#ifdef DEBUG_SOUND
SetDSerror("DirectSound Play", result);
#endif
return;
}
/* Find out where we are playing */
result = IDirectSoundBuffer_GetCurrentPosition(this->hidden->mixbuf,
&junk, &cursor);
if (result != DS_OK) {
SetDSerror("DirectSound GetCurrentPosition", result);
return;
}
}
}
static void DX5_WaitAudio_BusyWait(_THIS)
{
DWORD status;
DWORD cursor, junk;
HRESULT result;
/* Semi-busy wait, since we have no way of getting play notification
on a primary mixing buffer located in hardware (DirectX 5.0)
*/
result = IDirectSoundBuffer_GetCurrentPosition(mixbuf, &cursor, &junk);
if ( result != DS_OK ) {
if ( result == DSERR_BUFFERLOST ) {
IDirectSoundBuffer_Restore(mixbuf);
}
#ifdef DEBUG_SOUND
SetDSerror("DirectSound GetCurrentPosition", result);
#endif
return;
}
cursor /= mixlen;
while ( cursor == playing ) {
/* FIXME: find out how much time is left and sleep that long */
SDL_Delay(10);
/* Try to restore a lost sound buffer */
IDirectSoundBuffer_GetStatus(mixbuf, &status);
if ( (status&DSBSTATUS_BUFFERLOST) ) {
IDirectSoundBuffer_Restore(mixbuf);
IDirectSoundBuffer_GetStatus(mixbuf, &status);
if ( (status&DSBSTATUS_BUFFERLOST) ) {
break;
}
}
if ( ! (status&DSBSTATUS_PLAYING) ) {
result = IDirectSoundBuffer_Play(mixbuf, 0, 0, DSBPLAY_LOOPING);
if ( result == DS_OK ) {
continue;
}
#ifdef DEBUG_SOUND
SetDSerror("DirectSound Play", result);
#endif
return;
}
/* Find out where we are playing */
result = IDirectSoundBuffer_GetCurrentPosition(mixbuf,
&cursor, &junk);
if ( result != DS_OK ) {
SetDSerror("DirectSound GetCurrentPosition", result);
return;
}
cursor /= mixlen;
}
}
IDirectSoundBuffer *SndObjGetFreeBuffer(SNDOBJ *pSO)
{
IDirectSoundBuffer *pDSB;
if (pSO == NULL)
return NULL;
if (pDSB = pSO->Buffers[pSO->iCurrent])
{
HRESULT hres;
DWORD dwStatus;
hres = IDirectSoundBuffer_GetStatus(pDSB, &dwStatus);
if (FAILED(hres))
dwStatus = 0;
if ((dwStatus & DSBSTATUS_PLAYING) == DSBSTATUS_PLAYING)
{
if (pSO->iAlloc > 1)
{
if (++pSO->iCurrent >= pSO->iAlloc)
pSO->iCurrent = 0;
pDSB = pSO->Buffers[pSO->iCurrent];
hres = IDirectSoundBuffer_GetStatus(pDSB, &dwStatus);
if (SUCCEEDED(hres) && (dwStatus & DSBSTATUS_PLAYING) == DSBSTATUS_PLAYING)
{
IDirectSoundBuffer_Stop(pDSB);
IDirectSoundBuffer_SetCurrentPosition(pDSB, 0);
}
}
else
{
pDSB = NULL;
}
}
if (pDSB && (dwStatus & DSBSTATUS_BUFFERLOST))
{
if (FAILED(IDirectSoundBuffer_Restore(pDSB)) ||
!DSFillSoundBuffer(pDSB, pSO->pbWaveData, pSO->cbWaveSize))
{
pDSB = NULL;
}
}
}
return pDSB;
}
static void DS_Exit(void)
{
DWORD statusInfo;
if(updateBufferHandle) {
/* Signal thread to exit and wait for the exit */
if (threadInUse) {
threadInUse = 0;
MUTEX_UNLOCK(vars);
SetEvent (notifyUpdateHandle);
WaitForSingleObject (updateBufferHandle, INFINITE);
MUTEX_LOCK(vars);
}
CloseHandle(updateBufferHandle),
updateBufferHandle = NULL;
}
if (notifyUpdateHandle) {
CloseHandle(notifyUpdateHandle),
notifyUpdateHandle = NULL;
}
if (pSoundBufferNotify) {
IDirectSoundNotify_Release(pSoundBufferNotify);
pSoundBufferNotify = NULL;
}
if(pSoundBuffer) {
if(IDirectSoundBuffer_GetStatus(pSoundBuffer,&statusInfo)==DS_OK)
if(statusInfo&DSBSTATUS_PLAYING)
IDirectSoundBuffer_Stop(pSoundBuffer);
IDirectSoundBuffer_Release(pSoundBuffer);
pSoundBuffer = NULL;
}
if(pPrimarySoundBuffer) {
if(IDirectSoundBuffer_GetStatus(pPrimarySoundBuffer,&statusInfo)==DS_OK)
if(statusInfo&DSBSTATUS_PLAYING)
IDirectSoundBuffer_Stop(pPrimarySoundBuffer);
IDirectSoundBuffer_Release(pPrimarySoundBuffer);
pPrimarySoundBuffer = NULL;
}
if (pSoundCard) {
IDirectSound_Release(pSoundCard);
pSoundCard = NULL;
}
VC_Exit();
}
void I_UpdateSoundParams(int channel, int vol, int sep, int pitch)
{
// proff 07/04/98: Added for CYGWIN32 compatibility
#ifdef HAVE_LIBDSOUND
int DSB_Status;
if (noDSound == true)
return;
// proff 07/26/98: Added volume check
if (vol==0)
{
IDirectSoundBuffer_Stop(lpSecondaryDSB[channel]);
return;
}
IDirectSoundBuffer_SetVolume(lpSecondaryDSB[channel],VOL(vol));
IDirectSoundBuffer_SetPan(lpSecondaryDSB[channel],SEP(sep));
IDirectSoundBuffer_SetFrequency
(lpSecondaryDSB[channel], ChannelInfo[channel].samplerate+PITCH(pitch));
if (ChannelInfo[channel].playing == true)
{
IDirectSoundBuffer_GetStatus(lpSecondaryDSB[channel], &DSB_Status);
if ((DSB_Status & DSBSTATUS_PLAYING) == 0)
IDirectSoundBuffer_Play(lpSecondaryDSB[channel], 0, 0, 0);
}
#endif // HAVE_LIBDSOUND
}
static HRESULT WINAPI DSoundRender_Stop(IBaseFilter * iface)
{
HRESULT hr = S_OK;
DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
TRACE("(%p/%p)->()\n", This, iface);
EnterCriticalSection(&This->filter.csFilter);
{
DWORD state = 0;
if (This->dsbuffer)
{
hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
if (SUCCEEDED(hr))
{
if (state & DSBSTATUS_PLAYING)
hr = IDirectSoundBuffer_Stop(This->dsbuffer);
}
}
if (SUCCEEDED(hr))
This->filter.state = State_Stopped;
/* Complete our transition */
SetEvent(This->state_change);
SetEvent(This->blocked);
MediaSeekingPassThru_ResetMediaTime(This->seekthru_unk);
}
LeaveCriticalSection(&This->filter.csFilter);
return hr;
}
static guint
gst_directsound_sink_delay (GstAudioSink * asink)
{
GstDirectSoundSink *dsoundsink;
HRESULT hRes;
DWORD dwCurrentPlayCursor;
DWORD dwBytesInQueue = 0;
gint nNbSamplesInQueue = 0;
DWORD dwStatus;
dsoundsink = GST_DIRECTSOUND_SINK (asink);
/* get current buffer status */
hRes = IDirectSoundBuffer_GetStatus (dsoundsink->pDSBSecondary, &dwStatus);
if (dwStatus & DSBSTATUS_PLAYING) {
/*evaluate the number of samples in queue in the circular buffer */
hRes = IDirectSoundBuffer_GetCurrentPosition (dsoundsink->pDSBSecondary,
&dwCurrentPlayCursor, NULL);
if (hRes == S_OK) {
if (dwCurrentPlayCursor < dsoundsink->current_circular_offset)
dwBytesInQueue =
dsoundsink->current_circular_offset - dwCurrentPlayCursor;
else
dwBytesInQueue =
dsoundsink->current_circular_offset + (dsoundsink->buffer_size -
dwCurrentPlayCursor);
nNbSamplesInQueue = dwBytesInQueue / dsoundsink->bytes_per_sample;
}
}
return nNbSamplesInQueue;
}
static HRESULT WINAPI DSoundRender_Pause(IBaseFilter * iface)
{
HRESULT hr = S_OK;
DSoundRenderImpl *This = (DSoundRenderImpl *)iface;
TRACE("(%p/%p)->()\n", This, iface);
EnterCriticalSection(&This->filter.csFilter);
if (This->filter.state != State_Paused)
{
DWORD state = 0;
if (This->filter.state == State_Stopped)
{
This->pInputPin->end_of_stream = 0;
}
if (This->dsbuffer)
{
hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
if (SUCCEEDED(hr))
{
if (state & DSBSTATUS_PLAYING)
hr = IDirectSoundBuffer_Stop(This->dsbuffer);
}
}
if (SUCCEEDED(hr))
This->filter.state = State_Paused;
ResetEvent(This->blocked);
ResetEvent(This->state_change);
}
LeaveCriticalSection(&This->filter.csFilter);
return hr;
}
/*
* バッファをリストアする
*/
static BOOL RestoreBuffers(int nBuffer)
{
DWORD dwStatus;
HRESULT hRet;
assert(pDSBuffer[nBuffer] != NULL);
assert(nBuffer >= 0 && nBuffer < MIXER_STREAMS);
hRet = IDirectSoundBuffer_GetStatus(pDSBuffer[nBuffer], &dwStatus);
if(hRet != DS_OK)
return FALSE;
if(dwStatus & DSBSTATUS_BUFFERLOST)
{
/*
* アプリケーションがアクティブになったばかりなので
* DirectSoundのコントロールを取得できない可能性がある。
* よって、コントロールを取得できるまでスリープする。
*/
while(1) {
Sleep(10);
hRet = IDirectSoundBuffer_Restore(pDSBuffer[nBuffer]);
if(hRet != DSERR_BUFFERLOST)
break;
}
}
return TRUE;
}
DWORD DSW_GetOutputStatus( DSoundWrapper *dsw )
{
DWORD status;
if (IDirectSoundBuffer_GetStatus( dsw->dsw_OutputBuffer, &status ) != DS_OK)
return( DSERR_INVALIDPARAM );
else
return( status );
}
int I2_IsSourcePlaying(sndsource_t *buf)
{
DWORD status;
IDirectSoundBuffer_GetStatus(buf->source, &status);
// Restore the buffer if it's lost, but that shouldn't really matter since
// it'll be released when it stops playing.
if(status & DSBSTATUS_BUFFERLOST) IDirectSoundBuffer_Restore(buf->source);
return (status & DSBSTATUS_PLAYING) != 0;
}
static inline HRESULT DSoundRender_GetPos(DSoundRenderImpl *This, DWORD *pPlayPos, REFERENCE_TIME *pRefTime)
{
HRESULT hr;
EnterCriticalSection(&This->filter.csFilter);
{
DWORD state;
DWORD write_pos;
hr = IDirectSoundBuffer_GetStatus(This->dsbuffer, &state);
if (SUCCEEDED(hr) && !(state & DSBSTATUS_PLAYING) && This->filter.state == State_Running)
{
TRACE("Not playing, kickstarting the engine\n");
hr = IDirectSoundBuffer_Play(This->dsbuffer, 0, 0, DSBPLAY_LOOPING);
if (FAILED(hr))
ERR("Can't play sound buffer (%x)\n", hr);
}
if (SUCCEEDED(hr))
hr = IDirectSoundBuffer_GetCurrentPosition(This->dsbuffer, pPlayPos, &write_pos);
if (hr == S_OK)
{
DWORD play_pos = *pPlayPos;
if (play_pos < This->last_play_pos)
This->play_loops++;
This->last_play_pos = play_pos;
/* If we really fell behind, start at the next possible position
* Also happens when just starting playback for the first time,
* or when flushing
*/
if ((This->play_loops*This->buf_size)+play_pos >=
(This->write_loops*This->buf_size)+This->write_pos)
This->write_pos = write_pos;
if (pRefTime)
{
REFERENCE_TIME play_time;
play_time = ((REFERENCE_TIME)This->play_loops*10000000) +
((REFERENCE_TIME)play_pos*10000000/This->buf_size);
/* Don't let time run backwards */
if(play_time-This->play_time > 0)
This->play_time = play_time;
else
hr = S_FALSE;
*pRefTime = This->play_time;
}
}
}
LeaveCriticalSection(&This->filter.csFilter);
return hr;
}
/**
\brief fill sound buffer
\param data pointer to the sound data to copy
\param len length of the data to copy in bytes
\return number of copyed bytes
*/
static int write_buffer(struct ao *ao, unsigned char *data, int len)
{
struct priv *p = ao->priv;
HRESULT res;
LPVOID lpvPtr1;
DWORD dwBytes1;
LPVOID lpvPtr2;
DWORD dwBytes2;
p->underrun_check = 0;
// Lock the buffer
res = IDirectSoundBuffer_Lock(p->hdsbuf, p->write_offset, len, &lpvPtr1,
&dwBytes1, &lpvPtr2, &dwBytes2, 0);
// If the buffer was lost, restore and retry lock.
if (DSERR_BUFFERLOST == res) {
IDirectSoundBuffer_Restore(p->hdsbuf);
res = IDirectSoundBuffer_Lock(p->hdsbuf, p->write_offset, len, &lpvPtr1,
&dwBytes1, &lpvPtr2, &dwBytes2, 0);
}
if (SUCCEEDED(res)) {
if (!AF_FORMAT_IS_AC3(ao->format)) {
memcpy(lpvPtr1, data, dwBytes1);
if (lpvPtr2 != NULL)
memcpy(lpvPtr2, (char *)data + dwBytes1, dwBytes2);
p->write_offset += dwBytes1 + dwBytes2;
if (p->write_offset >= p->buffer_size)
p->write_offset = dwBytes2;
} else {
// Write to pointers without reordering.
memcpy(lpvPtr1, data, dwBytes1);
if (NULL != lpvPtr2)
memcpy(lpvPtr2, data + dwBytes1, dwBytes2);
p->write_offset += dwBytes1 + dwBytes2;
if (p->write_offset >= p->buffer_size)
p->write_offset = dwBytes2;
}
// Release the data back to DirectSound.
res = IDirectSoundBuffer_Unlock(p->hdsbuf, lpvPtr1, dwBytes1, lpvPtr2,
dwBytes2);
if (SUCCEEDED(res)) {
// Success.
DWORD status;
IDirectSoundBuffer_GetStatus(p->hdsbuf, &status);
if (!(status & DSBSTATUS_PLAYING))
res = IDirectSoundBuffer_Play(p->hdsbuf, 0, 0, DSBPLAY_LOOPING);
return dwBytes1 + dwBytes2;
}
}
// Lock, Unlock, or Restore failed.
return 0;
}
void DSSoundFeedVoiceData(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;
IDirectSoundBuffer_GetStatus(lpDSBSECONDARY1,&status);
if (status & DSBSTATUS_BUFFERLOST)
{
if (IDirectSoundBuffer_Restore(lpDSBSECONDARY1) != DS_OK) return;
IDirectSoundBuffer_Play(lpDSBSECONDARY1,0,0,DSBPLAY_LOOPING);
}
IDirectSoundBuffer_GetCurrentPosition(lpDSBSECONDARY1,&cplay,&cwrite);
if(LastWrite == 0xffffffff) LastWrite=cwrite;
hr = IDirectSoundBuffer_Lock(lpDSBSECONDARY1,LastWrite,lBytes,
&lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2, 0);
if (hr != DS_OK)
{
LastWrite=0xffffffff;
return;
}
lpSS = (unsigned long *)pSound;
lpSD = (unsigned long *)lpvPtr1;
dw = dwBytes1 >> 2;
while(dw)
{
*lpSD++=*lpSS++;
dw--;
}
if (lpvPtr2)
{
lpSD = (unsigned long *)lpvPtr2;
dw = dwBytes2 >> 2;
while(dw)
{
*lpSD++ = *lpSS++;
dw--;
}
}
IDirectSoundBuffer_Unlock(lpDSBSECONDARY1,lpvPtr1,dwBytes1,lpvPtr2,dwBytes2);
LastWrite += lBytes;
if(LastWrite >= SOUNDSIZE) LastWrite -= SOUNDSIZE;
LastPlay = cplay;
}
static int ChannelPlaying( Channel *channel )
{
DWORD status, Error;
if(!channel)
return( 0 );
Error = IDirectSoundBuffer_GetStatus( channel->buffer, &status);
if( Error != DS_OK)
return 0;
return( status & DSBSTATUS_PLAYING );
}
/*
====================
SndSys_LockRenderBuffer
Get the exclusive lock on "snd_renderbuffer"
====================
*/
qboolean SndSys_LockRenderBuffer (void)
{
#ifdef SUPPORTDIRECTX
int reps;
HRESULT hresult;
DWORD dwStatus;
if (pDSBuf)
{
// if the buffer was lost or stopped, restore it and/or restart it
if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DS_OK)
Con_Print("Couldn't get sound buffer status\n");
if (dwStatus & DSBSTATUS_BUFFERLOST)
{
Con_Print("DSound buffer is lost!!\n");
IDirectSoundBuffer_Restore (pDSBuf);
}
if (!(dwStatus & DSBSTATUS_PLAYING))
IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);
reps = 0;
while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&dsound_pbuf, &dsound_dwSize, (LPVOID*)&dsound_pbuf2, &dsound_dwSize2, 0)) != DS_OK)
{
if (hresult != DSERR_BUFFERLOST)
{
Con_Print("S_LockBuffer: DS: Lock Sound Buffer Failed\n");
S_Shutdown ();
S_Startup ();
return false;
}
if (++reps > 10000)
{
Con_Print("S_LockBuffer: DS: couldn't restore buffer\n");
S_Shutdown ();
S_Startup ();
return false;
}
}
if ((void*)dsound_pbuf != snd_renderbuffer->ring)
Sys_Error("SndSys_LockRenderBuffer: the ring address has changed!!!\n");
return true;
}
#endif
return wav_init;
}
//added 2000/01/15 Matt Mueller -- remove some duplication (and fix a big memory leak, in the kill=0 one case)
static int DS_release_slot(int slot,int kill){
if (SoundSlots[slot].lpsb) {
DWORD s;
IDirectSoundBuffer_GetStatus(SoundSlots[slot].lpsb, &s);
if (s & DSBSTATUS_PLAYING){
if (kill)
IDirectSoundBuffer_Stop(SoundSlots[slot].lpsb);
else
return 0;
}
IDirectSoundBuffer_Release(SoundSlots[slot].lpsb);
SoundSlots[slot].lpsb = NULL;
}
SoundSlots[slot].playing = 0;
return 1;
}
void CheckDStatus(void)
{
DWORD status;
status=0;
IDirectSoundBuffer_GetStatus(ppbufw, &status);
if(status&DSBSTATUS_BUFFERLOST)
{
IDirectSoundBuffer_Restore(ppbufw);
}
if(!(status&DSBSTATUS_PLAYING))
{
ToWritePos=0;
IDirectSoundBuffer_SetFormat(ppbufw,&wf);
IDirectSoundBuffer_Play(ppbufw,0,0,DSBPLAY_LOOPING);
}
}
void DSOUND_Restore(void)
{
// if the buffer was lost or stopped, restore it and/or restart it
DWORD dwStatus;
if (!pDSBuf) return;
if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DD_OK)
Con_Printf ("Couldn't get sound buffer status\n");
if (dwStatus & DSBSTATUS_BUFFERLOST)
IDirectSoundBuffer_Restore (pDSBuf);
if (!(dwStatus & DSBSTATUS_PLAYING))
IDirectSoundBuffer_Play (pDSBuf, 0, 0, DSBPLAY_LOOPING);
return;
}
static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp,
dsound *s)
{
HRESULT hr;
hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not get playback buffer status\n");
return -1;
}
if (*statusp & DSERR_BUFFERLOST) {
dsound_restore_out(dsb, s);
return -1;
}
return 0;
}
/**************************************************************************
* MCICDA_GetStatus [internal]
*/
static DWORD MCICDA_GetStatus(WINE_MCICDAUDIO* wmcda)
{
CDROM_SUB_Q_DATA_FORMAT fmt;
SUB_Q_CHANNEL_DATA data;
DWORD br;
DWORD mode = MCI_MODE_NOT_READY;
fmt.Format = IOCTL_CDROM_CURRENT_POSITION;
if(wmcda->hThread != 0) {
DWORD status;
HRESULT hr;
hr = IDirectSoundBuffer_GetStatus(wmcda->dsBuf, &status);
if(SUCCEEDED(hr)) {
if(!(status&DSBSTATUS_PLAYING)) {
if(WaitForSingleObject(wmcda->stopEvent, 0) == WAIT_OBJECT_0)
mode = MCI_MODE_STOP;
else
mode = MCI_MODE_PAUSE;
}
else
mode = MCI_MODE_PLAY;
}
}
else if (!DeviceIoControl(wmcda->handle, IOCTL_CDROM_READ_Q_CHANNEL, &fmt, sizeof(fmt),
&data, sizeof(data), &br, NULL)) {
if (GetLastError() == ERROR_NOT_READY) mode = MCI_MODE_OPEN;
} else {
switch (data.CurrentPosition.Header.AudioStatus)
{
case AUDIO_STATUS_IN_PROGRESS: mode = MCI_MODE_PLAY; break;
case AUDIO_STATUS_PAUSED: mode = MCI_MODE_PAUSE; break;
case AUDIO_STATUS_NO_STATUS:
case AUDIO_STATUS_PLAY_COMPLETE: mode = MCI_MODE_STOP; break;
case AUDIO_STATUS_PLAY_ERROR:
case AUDIO_STATUS_NOT_SUPPORTED:
default:
break;
}
}
return mode;
}
static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp)
{
HRESULT hr;
int i;
for (i = 0; i < conf.getstatus_retries; ++i) {
hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not get playback buffer status\n");
return -1;
}
if (*statusp & DSERR_BUFFERLOST) {
if (dsound_restore_out (dsb)) {
return -1;
}
continue;
}
break;
}
return 0;
}
static HRESULT TimeGet( aout_stream_sys_t *sys, vlc_tick_t *delay )
{
DWORD read, status;
HRESULT hr;
ssize_t size;
hr = IDirectSoundBuffer_GetStatus( sys->p_dsbuffer, &status );
if( hr != DS_OK )
return hr;
if( !(status & DSBSTATUS_PLAYING) )
return DSERR_INVALIDCALL ;
hr = IDirectSoundBuffer_GetCurrentPosition( sys->p_dsbuffer, &read, NULL );
if( hr != DS_OK )
return hr;
size = (ssize_t)read - sys->i_last_read;
/* GetCurrentPosition cannot be trusted if the return doesn't change
* Just return an error */
if( size == 0 )
return DSERR_GENERIC ;
else if( size < 0 )
size += DS_BUF_SIZE;
sys->i_data -= size;
sys->i_last_read = read;
if( sys->i_data < 0 )
/* underrun */
Flush(sys);
*delay = vlc_tick_from_samples( sys->i_data / sys->i_bytes_per_sample, sys->i_rate );
return DS_OK;
}
static guint
gst_directsound_sink_write (GstAudioSink * asink, gpointer data, guint length)
{
GstDirectSoundSink *dsoundsink;
DWORD dwStatus;
HRESULT hRes;
LPVOID pLockedBuffer1 = NULL, pLockedBuffer2 = NULL;
DWORD dwSizeBuffer1, dwSizeBuffer2;
DWORD dwCurrentPlayCursor;
dsoundsink = GST_DIRECTSOUND_SINK (asink);
/* Fix endianness */
if (dsoundsink->buffer_format == GST_IEC958)
_swab (data, data, length);
GST_DSOUND_LOCK (dsoundsink);
/* get current buffer status */
hRes = IDirectSoundBuffer_GetStatus (dsoundsink->pDSBSecondary, &dwStatus);
/* get current play cursor position */
hRes = IDirectSoundBuffer_GetCurrentPosition (dsoundsink->pDSBSecondary,
&dwCurrentPlayCursor, NULL);
if (SUCCEEDED (hRes) && (dwStatus & DSBSTATUS_PLAYING)) {
DWORD dwFreeBufferSize;
calculate_freesize:
/* calculate the free size of the circular buffer */
if (dwCurrentPlayCursor < dsoundsink->current_circular_offset)
dwFreeBufferSize =
dsoundsink->buffer_size - (dsoundsink->current_circular_offset -
dwCurrentPlayCursor);
else
dwFreeBufferSize =
dwCurrentPlayCursor - dsoundsink->current_circular_offset;
if (length >= dwFreeBufferSize) {
Sleep (100);
hRes = IDirectSoundBuffer_GetCurrentPosition (dsoundsink->pDSBSecondary,
&dwCurrentPlayCursor, NULL);
hRes =
IDirectSoundBuffer_GetStatus (dsoundsink->pDSBSecondary, &dwStatus);
if (SUCCEEDED (hRes) && (dwStatus & DSBSTATUS_PLAYING))
goto calculate_freesize;
else {
dsoundsink->first_buffer_after_reset = FALSE;
GST_DSOUND_UNLOCK (dsoundsink);
return 0;
}
}
}
if (dwStatus & DSBSTATUS_BUFFERLOST) {
hRes = IDirectSoundBuffer_Restore (dsoundsink->pDSBSecondary); /*need a loop waiting the buffer is restored?? */
dsoundsink->current_circular_offset = 0;
}
hRes = IDirectSoundBuffer_Lock (dsoundsink->pDSBSecondary,
dsoundsink->current_circular_offset, length, &pLockedBuffer1,
&dwSizeBuffer1, &pLockedBuffer2, &dwSizeBuffer2, 0L);
if (SUCCEEDED (hRes)) {
// Write to pointers without reordering.
memcpy (pLockedBuffer1, data, dwSizeBuffer1);
if (pLockedBuffer2 != NULL)
memcpy (pLockedBuffer2, (LPBYTE) data + dwSizeBuffer1, dwSizeBuffer2);
// Update where the buffer will lock (for next time)
dsoundsink->current_circular_offset += dwSizeBuffer1 + dwSizeBuffer2;
dsoundsink->current_circular_offset %= dsoundsink->buffer_size; /* Circular buffer */
hRes = IDirectSoundBuffer_Unlock (dsoundsink->pDSBSecondary, pLockedBuffer1,
dwSizeBuffer1, pLockedBuffer2, dwSizeBuffer2);
}
/* if the buffer was not in playing state yet, call play on the buffer
except if this buffer is the fist after a reset (base class call reset and write a buffer when setting the sink to pause) */
if (!(dwStatus & DSBSTATUS_PLAYING) &&
dsoundsink->first_buffer_after_reset == FALSE) {
hRes = IDirectSoundBuffer_Play (dsoundsink->pDSBSecondary, 0, 0,
DSBPLAY_LOOPING);
}
dsoundsink->first_buffer_after_reset = FALSE;
GST_DSOUND_UNLOCK (dsoundsink);
return length;
}
