/**************************************************************************
* wodClose [internal]
*/
static DWORD wodClose(WORD wDevID)
{
DWORD ret = MMSYSERR_NOERROR;
WINE_WAVEOUT* wwo;
TRACE("(%u);\n", wDevID);
if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
if (wwo->lpQueuePtr) {
WARN("buffers still playing !\n");
ret = WAVERR_STILLPLAYING;
} else {
TRACE("imhere[3-close]\n");
if (wwo->hThread != INVALID_HANDLE_VALUE) {
NAS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
}
NAS_DestroyRingMessage(&wwo->msgRing);
NAS_CloseDevice(wwo); /* close the stream and clean things up */
ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
}
return ret;
}
/**************************************************************************
* wodPlayer_NotifyCompletions [internal]
*
* Notifies and remove from queue all wavehdrs which have been played to
* the speaker (ie. they have cleared the ALSA buffer). If force is true,
* we notify all wavehdrs and remove them all from the queue even if they
* are unplayed or part of a loop.
*/
static DWORD wodPlayer_NotifyCompletions(WINE_WAVEDEV* wwo, BOOL force)
{
LPWAVEHDR lpWaveHdr;
/* Start from lpQueuePtr and keep notifying until:
* - we hit an unwritten wavehdr
* - we hit the beginning of a running loop
* - we hit a wavehdr which hasn't finished playing
*/
for (;;)
{
lpWaveHdr = wwo->lpQueuePtr;
if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
if (!force)
{
snd_pcm_uframes_t frames;
snd_pcm_hw_params_get_period_size(wwo->hw_params, &frames, NULL);
if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
if (lpWaveHdr->reserved > wwo->dwPlayedTotal + frames) {TRACE("still playing %p (%lu/%u)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
}
wwo->dwPlayedTotal += lpWaveHdr->reserved - wwo->dwPlayedTotal;
wwo->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, (DWORD_PTR)lpWaveHdr, 0);
}
return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
}
/**************************************************************************
* wodPlayer_Reset [internal]
*
* wodPlayer helper. Resets current output stream.
*/
static void wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
{
wodUpdatePlayedTotal(wwo);
wodPlayer_NotifyCompletions(wwo, FALSE); /* updates current notify list */
/* we aren't able to flush any data that has already been written */
/* to nas, otherwise we would do the flushing here */
nas_free(wwo);
if (reset) {
enum win_wm_message msg;
DWORD_PTR param;
HANDLE ev;
/* remove any buffer */
wodPlayer_NotifyCompletions(wwo, TRUE);
wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
wwo->state = WINE_WS_STOPPED;
wwo->PlayedTotal = wwo->WrittenTotal = 0;
/* remove any existing message in the ring */
EnterCriticalSection(&wwo->msgRing.msg_crst);
/* return all pending headers in queue */
while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, ¶m, &ev))
{
TRACE("flushing msg\n");
if (msg != WINE_WM_HEADER)
{
FIXME("shouldn't have headers left\n");
SetEvent(ev);
continue;
}
((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, param, 0);
}
ResetEvent(wwo->msgRing.msg_event);
LeaveCriticalSection(&wwo->msgRing.msg_crst);
} else {
if (wwo->lpLoopPtr) {
/* complicated case, not handled yet (could imply modifying the loop counter */
FIXME("Pausing while in loop isn't correctly handled yet, expec strange results\n");
wwo->lpPlayPtr = wwo->lpLoopPtr;
wwo->WrittenTotal = wwo->PlayedTotal; /* this is wrong !!! */
} else {
/* the data already written is going to be played, so take */
/* this fact into account here */
wwo->PlayedTotal = wwo->WrittenTotal;
}
wwo->state = WINE_WS_PAUSED;
}
}
/**************************************************************************
* wodClose [internal]
*/
static DWORD wodClose(WORD wDevID)
{
DWORD ret = MMSYSERR_NOERROR;
WINE_WAVEDEV* wwo;
TRACE("(%u);\n", wDevID);
if (wDevID >= ALSA_WodNumDevs) {
TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WOutDev[wDevID].pcm == NULL) {
WARN("Requested to close already closed device %d!\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
if (wwo->lpQueuePtr) {
WARN("buffers still playing !\n");
ret = WAVERR_STILLPLAYING;
} else {
if (wwo->hThread != INVALID_HANDLE_VALUE) {
ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
}
ALSA_DestroyRingMessage(&wwo->msgRing);
if (wwo->hw_params)
snd_pcm_hw_params_free(wwo->hw_params);
wwo->hw_params = NULL;
if (wwo->pcm)
snd_pcm_close(wwo->pcm);
wwo->pcm = NULL;
if (wwo->hctl)
{
snd_hctl_free(wwo->hctl);
snd_hctl_close(wwo->hctl);
}
wwo->hctl = NULL;
ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
}
return ret;
}
/**************************************************************************
* wodPlayer_NotifyCompletions [internal]
*
* Notifies and remove from queue all wavehdrs which have been played to
* the speaker (ie. they have cleared the audio device). If force is true,
* we notify all wavehdrs and remove them all from the queue even if they
* are unplayed or part of a loop.
*/
static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
{
LPWAVEHDR lpWaveHdr;
/* Start from lpQueuePtr and keep notifying until:
* - we hit an unwritten wavehdr
* - we hit the beginning of a running loop
* - we hit a wavehdr which hasn't finished playing
*/
wodUpdatePlayedTotal(wwo);
while ((lpWaveHdr = wwo->lpQueuePtr) && (force || (lpWaveHdr != wwo->lpPlayPtr &&
lpWaveHdr != wwo->lpLoopPtr && lpWaveHdr->reserved <= wwo->PlayedTotal))) {
wwo->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, (DWORD_PTR)lpWaveHdr, 0);
}
return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1 : 1;
}
/**************************************************************************
* wodOpen [internal]
*/
static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
WINE_WAVEOUT* wwo;
TRACE("wodOpen (%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= MAX_WAVEOUTDRV) {
TRACE("MAX_WAVOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
/* if this device is already open tell the app that it is allocated */
wwo = &WOutDev[wDevID];
if(wwo->open)
{
TRACE("device already allocated\n");
return MMSYSERR_ALLOCATED;
}
/* only PCM format is supported so far... */
if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
lpDesc->lpFormat->nChannels == 0 ||
lpDesc->lpFormat->nSamplesPerSec == 0 ||
(lpDesc->lpFormat->wBitsPerSample!=8 && lpDesc->lpFormat->wBitsPerSample!=16)) {
WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return WAVERR_BADFORMAT;
}
if (dwFlags & WAVE_FORMAT_QUERY) {
TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return MMSYSERR_NOERROR;
}
/* direct sound not supported, ignore the flag */
dwFlags &= ~WAVE_DIRECTSOUND;
wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
wwo->waveDesc = *lpDesc;
memcpy(&wwo->format, lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
if (wwo->format.wBitsPerSample == 0) {
WARN("Resetting zeroed wBitsPerSample\n");
wwo->format.wBitsPerSample = 8 *
(wwo->format.wf.nAvgBytesPerSec /
wwo->format.wf.nSamplesPerSec) /
wwo->format.wf.nChannels;
}
if (!nas_open(wwo))
return MMSYSERR_ALLOCATED;
NAS_InitRingMessage(&wwo->msgRing);
/* create player thread */
if (!(dwFlags & WAVE_DIRECTSOUND)) {
wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD_PTR)wDevID,
0, &(wwo->dwThreadID));
if (wwo->hThread)
SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
CloseHandle(wwo->hStartUpEvent);
} else {
wwo->hThread = INVALID_HANDLE_VALUE;
wwo->dwThreadID = 0;
}
wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
TRACE("stream=0x%lx, BufferSize=%d\n", (long)wwo->AuServ, wwo->BufferSize);
TRACE("wBitsPerSample=%u nAvgBytesPerSec=%u nSamplesPerSec=%u nChannels=%u nBlockAlign=%u\n",
wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
wwo->format.wf.nBlockAlign);
return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
}
/**************************************************************************
* wodOpen [internal]
*/
static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
WINE_WAVEDEV* wwo;
snd_pcm_t * pcm = NULL;
snd_hctl_t * hctl = NULL;
snd_pcm_hw_params_t * hw_params = NULL;
snd_pcm_sw_params_t * sw_params;
snd_pcm_access_t access;
snd_pcm_format_t format = -1;
unsigned int rate;
unsigned int buffer_time = 120000;
unsigned int period_time = 22000;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
int flags;
int err=0;
int dir=0;
DWORD retcode = 0;
TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= ALSA_WodNumDevs) {
TRACE("Asked for device %d, but only %d known!\n", wDevID, ALSA_WodNumDevs);
return MMSYSERR_BADDEVICEID;
}
/* only PCM format is supported so far... */
if (!ALSA_supportedFormat(lpDesc->lpFormat)) {
WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return WAVERR_BADFORMAT;
}
if (dwFlags & WAVE_FORMAT_QUERY) {
TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return MMSYSERR_NOERROR;
}
wwo = &WOutDev[wDevID];
if (wwo->pcm != NULL) {
WARN("%d already allocated\n", wDevID);
return MMSYSERR_ALLOCATED;
}
if (dwFlags & WAVE_DIRECTSOUND)
FIXME("Why are we called with DirectSound flag? It doesn't use MMSYSTEM any more\n");
/* not supported, ignore it */
dwFlags &= ~WAVE_DIRECTSOUND;
flags = SND_PCM_NONBLOCK;
if ( (err = snd_pcm_open(&pcm, wwo->pcmname, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
{
ERR("Error open: %s\n", snd_strerror(err));
return MMSYSERR_NOTENABLED;
}
if (wwo->ctlname)
{
err = snd_hctl_open(&hctl, wwo->ctlname, 0);
if (err >= 0)
{
snd_hctl_load(hctl);
}
else
{
WARN("Could not open hctl for [%s]: %s\n", wwo->ctlname, snd_strerror(err));
hctl = NULL;
}
}
wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
wwo->waveDesc = *lpDesc;
ALSA_copyFormat(lpDesc->lpFormat, &wwo->format);
TRACE("Requested this format: %dx%dx%d %s\n",
wwo->format.Format.nSamplesPerSec,
wwo->format.Format.wBitsPerSample,
wwo->format.Format.nChannels,
ALSA_getFormat(wwo->format.Format.wFormatTag));
if (wwo->format.Format.wBitsPerSample == 0) {
WARN("Resetting zeroed wBitsPerSample\n");
wwo->format.Format.wBitsPerSample = 8 *
(wwo->format.Format.nAvgBytesPerSec /
wwo->format.Format.nSamplesPerSec) /
wwo->format.Format.nChannels;
}
#define EXIT_ON_ERROR(f,e,txt) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
WARN(txt ": %s\n", snd_strerror(err)); \
retcode=e; \
goto errexit; \
} \
} while(0)
sw_params = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof() );
snd_pcm_hw_params_malloc(&hw_params);
if (! hw_params)
{
retcode = MMSYSERR_NOMEM;
goto errexit;
}
snd_pcm_hw_params_any(pcm, hw_params);
access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
WARN("mmap not available. switching to standard write.\n");
access = SND_PCM_ACCESS_RW_INTERLEAVED;
EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
wwo->write = snd_pcm_writei;
}
else
wwo->write = snd_pcm_mmap_writei;
if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), WAVERR_BADFORMAT, "unable to set required channels" );
}
if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
(wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
(wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_3LE :
(wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
} else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
} else {
ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
retcode = WAVERR_BADFORMAT;
goto errexit;
}
if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format" );
}
rate = wwo->format.Format.nSamplesPerSec;
dir=0;
err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
if (err < 0) {
WARN("Rate %d Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
retcode = WAVERR_BADFORMAT;
goto errexit;
}
if (!ALSA_NearMatch(rate, wwo->format.Format.nSamplesPerSec)) {
WARN("Rate doesn't match (requested %d Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
retcode = WAVERR_BADFORMAT;
goto errexit;
}
TRACE("Got this format: %dx%dx%d %s\n",
wwo->format.Format.nSamplesPerSec,
wwo->format.Format.wBitsPerSample,
wwo->format.Format.nChannels,
ALSA_getFormat(wwo->format.Format.wFormatTag));
dir=0;
EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
dir=0;
EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), MMSYSERR_INVALPARAM, "unable to set period time");
EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
snd_pcm_sw_params_current(pcm, sw_params);
EXIT_ON_ERROR( snd_pcm_sw_params_set_start_threshold(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set start threshold");
EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence size");
EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
#undef EXIT_ON_ERROR
snd_pcm_prepare(pcm);
if (TRACE_ON(wave))
ALSA_TraceParameters(hw_params, sw_params, FALSE);
/* now, we can save all required data for later use... */
wwo->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
wwo->dwPartialOffset = 0;
ALSA_InitRingMessage(&wwo->msgRing);
wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD_PTR)wDevID, 0, &(wwo->dwThreadID));
if (wwo->hThread)
SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
else
{
ERR("Thread creation for the wodPlayer failed!\n");
CloseHandle(wwo->hStartUpEvent);
retcode = MMSYSERR_NOMEM;
goto errexit;
}
WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
CloseHandle(wwo->hStartUpEvent);
wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
TRACE("handle=%p\n", pcm);
TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
wwo->format.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
wwo->format.Format.nBlockAlign);
HeapFree( GetProcessHeap(), 0, sw_params );
wwo->pcm = pcm;
wwo->hctl = hctl;
if ( wwo->hw_params )
snd_pcm_hw_params_free(wwo->hw_params);
wwo->hw_params = hw_params;
return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
errexit:
if (pcm)
snd_pcm_close(pcm);
if (hctl)
{
snd_hctl_free(hctl);
snd_hctl_close(hctl);
}
if ( hw_params )
snd_pcm_hw_params_free(hw_params);
HeapFree( GetProcessHeap(), 0, sw_params );
if (wwo->msgRing.ring_buffer_size > 0)
ALSA_DestroyRingMessage(&wwo->msgRing);
return retcode;
}
/**************************************************************************
* wodPlayer_Reset [internal]
*
* wodPlayer helper. Resets current output stream.
*/
static void wodPlayer_Reset(WINE_WAVEDEV* wwo, BOOL reset)
{
int err;
TRACE("(%p)\n", wwo);
wodUpdatePlayedTotal(wwo, NULL);
/* updates current notify list */
wodPlayer_NotifyCompletions(wwo, FALSE);
if ( (err = snd_pcm_drop(wwo->pcm)) < 0) {
FIXME("flush: %s\n", snd_strerror(err));
wwo->hThread = 0;
wwo->state = WINE_WS_STOPPED;
ExitThread(-1);
}
if ( (err = snd_pcm_prepare(wwo->pcm)) < 0 )
ERR("pcm prepare failed: %s\n", snd_strerror(err));
if (reset) {
enum win_wm_message msg;
DWORD_PTR param;
HANDLE ev;
/* remove any buffer */
wodPlayer_NotifyCompletions(wwo, TRUE);
wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
wwo->state = WINE_WS_STOPPED;
wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
/* Clear partial wavehdr */
wwo->dwPartialOffset = 0;
/* remove any existing message in the ring */
EnterCriticalSection(&wwo->msgRing.msg_crst);
/* return all pending headers in queue */
while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, ¶m, &ev))
{
if (msg != WINE_WM_HEADER)
{
FIXME("shouldn't have headers left\n");
SetEvent(ev);
continue;
}
((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, param, 0);
}
ALSA_ResetRingMessage(&wwo->msgRing);
LeaveCriticalSection(&wwo->msgRing.msg_crst);
} else {
if (wwo->lpLoopPtr) {
/* complicated case, not handled yet (could imply modifying the loop counter */
FIXME("Pausing while in loop isn't correctly handled yet, expect strange results\n");
wwo->lpPlayPtr = wwo->lpLoopPtr;
wwo->dwPartialOffset = 0;
wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
} else {
LPWAVEHDR ptr;
DWORD sz = wwo->dwPartialOffset;
/* reset all the data as if we had written only up to lpPlayedTotal bytes */
/* compute the max size playable from lpQueuePtr */
for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
sz += ptr->dwBufferLength;
}
/* because the reset lpPlayPtr will be lpQueuePtr */
if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
wwo->dwWrittenTotal = wwo->dwPlayedTotal;
wwo->lpPlayPtr = wwo->lpQueuePtr;
}
wwo->state = WINE_WS_PAUSED;
}
}