/**************************************************************************
* widOpen [internal]
*/
static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
WINE_WAVEDEV* wwi;
snd_pcm_hw_params_t * hw_params;
snd_pcm_sw_params_t * sw_params;
snd_pcm_access_t access;
snd_pcm_format_t format;
unsigned int rate;
unsigned int buffer_time = 500000;
unsigned int period_time = 10000;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
int flags;
snd_pcm_t * pcm;
int err;
int dir;
DWORD ret;
/* JPW TODO - review this code */
TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
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;
}
wwi = &WInDev[wDevID];
if (wwi->pcm != NULL) {
WARN("already allocated\n");
return MMSYSERR_ALLOCATED;
}
wwi->pcm = 0;
flags = SND_PCM_NONBLOCK;
if ( (err=snd_pcm_open(&pcm, wwi->pcmname, SND_PCM_STREAM_CAPTURE, flags)) < 0 )
{
ERR("Error open: %s\n", snd_strerror(err));
return MMSYSERR_NOTENABLED;
}
wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
wwi->waveDesc = *lpDesc;
ALSA_copyFormat(lpDesc->lpFormat, &wwi->format);
if (wwi->format.Format.wBitsPerSample == 0) {
WARN("Resetting zeroed wBitsPerSample\n");
wwi->format.Format.wBitsPerSample = 8 *
(wwi->format.Format.nAvgBytesPerSec /
wwi->format.Format.nSamplesPerSec) /
wwi->format.Format.nChannels;
}
hw_params = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_hw_params_sizeof() );
sw_params = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof() );
snd_pcm_hw_params_any(pcm, hw_params);
#define EXIT_ON_ERROR(f,e,txt) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
WARN(txt ": %s\n", snd_strerror(err)); \
ret = (e); \
goto error; \
} \
} while(0)
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");
wwi->read = snd_pcm_readi;
}
else
wwi->read = snd_pcm_mmap_readi;
EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwi->format.Format.nChannels), WAVERR_BADFORMAT, "unable to set required channels");
if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
format = (wwi->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
(wwi->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
(wwi->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_3LE :
(wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
} else if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
format = (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
} else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
ret = WAVERR_BADFORMAT;
goto error;
} else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
ret = WAVERR_BADFORMAT;
goto error;
} else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
ret = WAVERR_BADFORMAT;
goto error;
} else {
ERR("invalid format: %0x04x\n", wwi->format.Format.wFormatTag);
ret = WAVERR_BADFORMAT;
goto error;
}
EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format");
rate = wwi->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", wwi->format.Format.nSamplesPerSec, snd_strerror(rate));
ret = WAVERR_BADFORMAT;
goto error;
}
if (!ALSA_NearMatch(rate, wwi->format.Format.nSamplesPerSec)) {
WARN("Rate doesn't match (requested %d Hz, got %d Hz)\n", wwi->format.Format.nSamplesPerSec, rate);
ret = WAVERR_BADFORMAT;
goto error;
}
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");
dir=0;
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... */
if ( wwi->hw_params )
snd_pcm_hw_params_free(wwi->hw_params);
snd_pcm_hw_params_malloc(&(wwi->hw_params));
snd_pcm_hw_params_copy(wwi->hw_params, hw_params);
wwi->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
wwi->lpQueuePtr = wwi->lpPlayPtr = wwi->lpLoopPtr = NULL;
wwi->pcm = pcm;
ALSA_InitRingMessage(&wwi->msgRing);
wwi->dwPeriodSize = snd_pcm_frames_to_bytes(pcm, period_size);
TRACE("dwPeriodSize=%u\n", wwi->dwPeriodSize);
TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, nChannels=%u nBlockAlign=%u!\n",
wwi->format.Format.wBitsPerSample, wwi->format.Format.nAvgBytesPerSec,
wwi->format.Format.nSamplesPerSec, wwi->format.Format.nChannels,
wwi->format.Format.nBlockAlign);
wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD_PTR)wDevID, 0, &(wwi->dwThreadID));
if (wwi->hThread)
SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
CloseHandle(wwi->hStartUpEvent);
wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
HeapFree( GetProcessHeap(), 0, hw_params );
HeapFree( GetProcessHeap(), 0, sw_params );
return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
error:
snd_pcm_close(pcm);
HeapFree( GetProcessHeap(), 0, hw_params );
HeapFree( GetProcessHeap(), 0, sw_params );
return ret;
}
/**************************************************************************
* 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;
}
static HRESULT SetFormat(IDsDriverBufferImpl *This, LPWAVEFORMATEX pwfx)
{
snd_pcm_t *pcm = NULL;
snd_pcm_hw_params_t *hw_params = This->hw_params;
unsigned int buffer_time = 500000;
snd_pcm_format_t format = -1;
snd_pcm_uframes_t psize;
DWORD rate = pwfx->nSamplesPerSec;
int err=0;
switch (pwfx->wBitsPerSample)
{
case 8: format = SND_PCM_FORMAT_U8; break;
case 16: format = SND_PCM_FORMAT_S16_LE; break;
case 24: format = SND_PCM_FORMAT_S24_3LE; break;
case 32: format = SND_PCM_FORMAT_S32_LE; break;
default: FIXME("Unsupported bpp: %d\n", pwfx->wBitsPerSample); return DSERR_GENERIC;
}
err = snd_pcm_open(&pcm, WOutDev[This->drv->wDevID].pcmname, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if (err < 0)
{
if (errno != EBUSY || !This->pcm)
{
WARN("Cannot open sound device: %s\n", snd_strerror(err));
return DSERR_GENERIC;
}
snd_pcm_drop(This->pcm);
snd_pcm_close(This->pcm);
This->pcm = NULL;
err = snd_pcm_open(&pcm, WOutDev[This->drv->wDevID].pcmname, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if (err < 0)
{
WARN("Cannot open sound device: %s\n", snd_strerror(err));
return DSERR_BUFFERLOST;
}
}
/* Set some defaults */
snd_pcm_hw_params_any(pcm, hw_params);
err = snd_pcm_hw_params_set_channels(pcm, hw_params, pwfx->nChannels);
if (err < 0) { WARN("Could not set channels to %d\n", pwfx->nChannels); goto err; }
err = snd_pcm_hw_params_set_format(pcm, hw_params, format);
if (err < 0) { WARN("Could not set format to %d bpp\n", pwfx->wBitsPerSample); goto err; }
/* Alsa's rate resampling is only used if the application specifically requests
* a buffer at a certain frequency, else it is better to disable it due to unwanted
* side effects, which may include: Less granular pointer, changing buffer sizes, etc
*/
#if SND_LIB_VERSION >= 0x010009
snd_pcm_hw_params_set_rate_resample(pcm, hw_params, 0);
#endif
err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, NULL);
if (err < 0) { rate = pwfx->nSamplesPerSec; WARN("Could not set rate\n"); goto err; }
if (!ALSA_NearMatch(rate, pwfx->nSamplesPerSec))
{
WARN("Could not set sound rate to %d, but instead to %d\n", pwfx->nSamplesPerSec, rate);
pwfx->nSamplesPerSec = rate;
pwfx->nAvgBytesPerSec = rate * pwfx->nBlockAlign;
/* Let DirectSound detect this */
}
snd_pcm_hw_params_set_periods_integer(pcm, hw_params);
snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, NULL);
buffer_time = 10000;
snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &buffer_time, NULL);
err = snd_pcm_hw_params_get_period_size(hw_params, &psize, NULL);
buffer_time = 16;
snd_pcm_hw_params_set_periods_near(pcm, hw_params, &buffer_time, NULL);
if (!This->mmap)
{
HeapFree(GetProcessHeap(), 0, This->mmap_buffer);
This->mmap_buffer = NULL;
}
err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_MMAP_INTERLEAVED);
if (err >= 0)
This->mmap = 1;
else
{
This->mmap = 0;
err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED);
}
err = snd_pcm_hw_params(pcm, hw_params);
/* ALSA needs at least 3 buffers to work successfully */
This->mmap_commitahead = 3 * psize;
while (This->mmap_commitahead <= 512)
This->mmap_commitahead += psize;
if (This->pcm)
{
snd_pcm_drop(This->pcm);
snd_pcm_close(This->pcm);
}
This->pcm = pcm;
snd_pcm_prepare(This->pcm);
DSDB_CreateMMAP(This);
return S_OK;
err:
if (err < 0)
WARN("Failed to apply changes: %s\n", snd_strerror(err));
if (!This->pcm)
This->pcm = pcm;
else
snd_pcm_close(pcm);
if (This->pcm)
snd_pcm_hw_params_current(This->pcm, This->hw_params);
return DSERR_BADFORMAT;
}
static HRESULT WINAPI IDsCaptureDriverBufferImpl_SetFormat(PIDSCDRIVERBUFFER iface, LPWAVEFORMATEX pwfx)
{
IDsCaptureDriverBufferImpl *This = (IDsCaptureDriverBufferImpl *)iface;
WINE_WAVEDEV *wwi = &WInDev[This->drv->wDevID];
snd_pcm_t *pcm = NULL;
snd_pcm_hw_params_t *hw_params = This->hw_params;
snd_pcm_format_t format = -1;
snd_pcm_uframes_t buffer_size;
DWORD rate = pwfx->nSamplesPerSec;
int err=0;
BOOL mmap;
TRACE("(%p, %p)\n", iface, pwfx);
switch (pwfx->wBitsPerSample)
{
case 8: format = SND_PCM_FORMAT_U8; break;
case 16: format = SND_PCM_FORMAT_S16_LE; break;
case 24: format = SND_PCM_FORMAT_S24_3LE; break;
case 32: format = SND_PCM_FORMAT_S32_LE; break;
default: FIXME("Unsupported bpp: %d\n", pwfx->wBitsPerSample); return DSERR_GENERIC;
}
/* **** */
EnterCriticalSection(&This->pcm_crst);
err = snd_pcm_open(&pcm, wwi->pcmname, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if (err < 0)
{
if (errno != EBUSY || !This->pcm)
{
/* **** */
LeaveCriticalSection(&This->pcm_crst);
WARN("Cannot open sound device: %s\n", snd_strerror(err));
return DSERR_GENERIC;
}
snd_pcm_drop(This->pcm);
snd_pcm_close(This->pcm);
This->pcm = NULL;
err = snd_pcm_open(&pcm, wwi->pcmname, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if (err < 0)
{
/* **** */
LeaveCriticalSection(&This->pcm_crst);
WARN("Cannot open sound device: %s\n", snd_strerror(err));
return DSERR_BUFFERLOST;
}
}
/* Set some defaults */
snd_pcm_hw_params_any(pcm, hw_params);
err = snd_pcm_hw_params_set_channels(pcm, hw_params, pwfx->nChannels);
if (err < 0) { WARN("Could not set channels to %d\n", pwfx->nChannels); goto err; }
err = snd_pcm_hw_params_set_format(pcm, hw_params, format);
if (err < 0) { WARN("Could not set format to %d bpp\n", pwfx->wBitsPerSample); goto err; }
err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, NULL);
if (err < 0) { rate = pwfx->nSamplesPerSec; WARN("Could not set rate\n"); goto err; }
if (!ALSA_NearMatch(rate, pwfx->nSamplesPerSec))
{
WARN("Could not set sound rate to %d, but instead to %d\n", pwfx->nSamplesPerSec, rate);
pwfx->nSamplesPerSec = rate;
pwfx->nAvgBytesPerSec = rate * pwfx->nBlockAlign;
/* Let DirectSound detect this */
}
snd_pcm_hw_params_set_periods_integer(pcm, hw_params);
buffer_size = This->mmap_buflen_bytes / pwfx->nBlockAlign;
snd_pcm_hw_params_set_buffer_size_near(pcm, hw_params, &buffer_size);
buffer_size = 5000;
snd_pcm_hw_params_set_period_time_near(pcm, hw_params, (unsigned int*)&buffer_size, NULL);
err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_MMAP_INTERLEAVED);
if (err < 0)
{
err = snd_pcm_hw_params_set_access (pcm, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED);
if (err < 0) { WARN("Could not set access\n"); goto err; }
mmap = 0;
}
else
mmap = 1;
err = snd_pcm_hw_params(pcm, hw_params);
if (err < 0) { WARN("Could not set hw parameters\n"); goto err; }
if (This->pcm)
{
snd_pcm_drop(This->pcm);
snd_pcm_close(This->pcm);
}
This->pcm = pcm;
This->mmap = mmap;
snd_pcm_prepare(This->pcm);
CreateMMAP(This);
/* **** */
LeaveCriticalSection(&This->pcm_crst);
return S_OK;
err:
if (err < 0)
WARN("Failed to apply changes: %s\n", snd_strerror(err));
if (!This->pcm)
This->pcm = pcm;
else
snd_pcm_close(pcm);
if (This->pcm)
snd_pcm_hw_params_current(This->pcm, This->hw_params);
/* **** */
LeaveCriticalSection(&This->pcm_crst);
return DSERR_BADFORMAT;
}
