static HRESULT WINAPI IDsCaptureDriverImpl_CreateCaptureBuffer(PIDSCDRIVER iface,
LPWAVEFORMATEX pwfx,
DWORD dwFlags, DWORD dwCardAddress,
LPDWORD pdwcbBufferSize,
LPBYTE *ppbBuffer,
LPVOID *ppvObj)
{
IDsCaptureDriverImpl *This = (IDsCaptureDriverImpl *)iface;
IDsCaptureDriverBufferImpl** ippdsdb = (IDsCaptureDriverBufferImpl**)ppvObj;
HRESULT err;
TRACE("(%p,%p,%x,%x)\n",iface,pwfx,dwFlags,dwCardAddress);
if (This->capture_buffer)
return DSERR_ALLOCATED;
This->capture_buffer = *ippdsdb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDsCaptureDriverBufferImpl));
if (*ippdsdb == NULL)
return DSERR_OUTOFMEMORY;
(*ippdsdb)->hw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_hw_params_sizeof());
(*ippdsdb)->sw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof());
(*ippdsdb)->presented_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, *pdwcbBufferSize);
if (!(*ippdsdb)->hw_params || !(*ippdsdb)->sw_params || !(*ippdsdb)->presented_buffer)
{
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->sw_params);
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->hw_params);
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->presented_buffer);
return DSERR_OUTOFMEMORY;
}
(*ippdsdb)->lpVtbl = &dsdbvt;
(*ippdsdb)->ref = 1;
(*ippdsdb)->drv = This;
(*ippdsdb)->mmap_buflen_bytes = *pdwcbBufferSize;
InitializeCriticalSection(&(*ippdsdb)->pcm_crst);
(*ippdsdb)->pcm_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ALSA_DSCAPTURE.pcm_crst");
/* SetFormat initialises pcm */
err = IDsDriverBuffer_SetFormat((IDsDriverBuffer*)*ppvObj, pwfx);
if (FAILED(err))
{
WARN("Error occurred: %08x\n", err);
goto err;
}
*ppbBuffer = (*ippdsdb)->presented_buffer;
/* buffer is ready to go */
TRACE("buffer created at %p\n", *ippdsdb);
return err;
err:
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->presented_buffer);
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->sw_params);
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->hw_params);
HeapFree(GetProcessHeap(), 0, *ippdsdb);
*ippdsdb = NULL;
return err;
}
bool CAESinkALSA::InitializeSW(AEAudioFormat &format)
{
snd_pcm_sw_params_t *sw_params;
snd_pcm_uframes_t boundary;
snd_pcm_sw_params_alloca(&sw_params);
memset(sw_params, 0, snd_pcm_sw_params_sizeof());
snd_pcm_sw_params_current (m_pcm, sw_params);
snd_pcm_sw_params_set_start_threshold (m_pcm, sw_params, INT_MAX);
snd_pcm_sw_params_set_silence_threshold(m_pcm, sw_params, 0);
snd_pcm_sw_params_get_boundary (sw_params, &boundary);
snd_pcm_sw_params_set_silence_size (m_pcm, sw_params, boundary);
snd_pcm_sw_params_set_avail_min (m_pcm, sw_params, format.m_frames);
if (snd_pcm_sw_params(m_pcm, sw_params) < 0)
{
CLog::Log(LOGERROR, "CAESinkALSA::InitializeSW - Failed to set the parameters");
return false;
}
return true;
}
static snd_pcm_t *alsa_open(char *dev, int rate, int channels)
{
snd_pcm_hw_params_t *hwp;
snd_pcm_sw_params_t *swp;
snd_pcm_t *h;
int r;
int dir;
snd_pcm_uframes_t period_size_min;
snd_pcm_uframes_t period_size_max;
snd_pcm_uframes_t buffer_size_min;
snd_pcm_uframes_t buffer_size_max;
snd_pcm_uframes_t period_size;
snd_pcm_uframes_t buffer_size;
if ((r = snd_pcm_open(&h, dev, SND_PCM_STREAM_PLAYBACK, 0) < 0))
return NULL;
hwp = alloca(snd_pcm_hw_params_sizeof());
memset(hwp, 0, snd_pcm_hw_params_sizeof());
snd_pcm_hw_params_any(h, hwp);
snd_pcm_hw_params_set_access(h, hwp, SND_PCM_ACCESS_RW_INTERLEAVED);
snd_pcm_hw_params_set_format(h, hwp, SND_PCM_FORMAT_S16_LE);
snd_pcm_hw_params_set_rate(h, hwp, rate, 0);
snd_pcm_hw_params_set_channels(h, hwp, channels);
/* Configurue period */
dir = 0;
snd_pcm_hw_params_get_period_size_min(hwp, &period_size_min, &dir);
dir = 0;
snd_pcm_hw_params_get_period_size_max(hwp, &period_size_max, &dir);
period_size = 1024;
dir = 0;
r = snd_pcm_hw_params_set_period_size_near(h, hwp, &period_size, &dir);
if (r < 0) {
fprintf(stderr, "audio: Unable to set period size %lu (%s)\n",
period_size, snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
dir = 0;
r = snd_pcm_hw_params_get_period_size(hwp, &period_size, &dir);
if (r < 0) {
fprintf(stderr, "audio: Unable to get period size (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
/* Configurue buffer size */
snd_pcm_hw_params_get_buffer_size_min(hwp, &buffer_size_min);
snd_pcm_hw_params_get_buffer_size_max(hwp, &buffer_size_max);
buffer_size = period_size * 4;
dir = 0;
r = snd_pcm_hw_params_set_buffer_size_near(h, hwp, &buffer_size);
if (r < 0) {
fprintf(stderr, "audio: Unable to set buffer size %lu (%s)\n",
buffer_size, snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
r = snd_pcm_hw_params_get_buffer_size(hwp, &buffer_size);
if (r < 0) {
fprintf(stderr, "audio: Unable to get buffer size (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
/* write the hw params */
r = snd_pcm_hw_params(h, hwp);
if (r < 0) {
fprintf(stderr, "audio: Unable to configure hardware parameters (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
/*
* Software parameters
*/
swp = alloca(snd_pcm_sw_params_sizeof());
memset(hwp, 0, snd_pcm_sw_params_sizeof());
snd_pcm_sw_params_current(h, swp);
r = snd_pcm_sw_params_set_avail_min(h, swp, period_size);
if (r < 0) {
fprintf(stderr, "audio: Unable to configure wakeup threshold (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
snd_pcm_sw_params_set_start_threshold(h, swp, 0);
if (r < 0) {
fprintf(stderr, "audio: Unable to configure start threshold (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
r = snd_pcm_sw_params(h, swp);
if (r < 0) {
fprintf(stderr, "audio: Cannot set soft parameters (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
r = snd_pcm_prepare(h);
if (r < 0) {
fprintf(stderr, "audio: Cannot prepare audio for playback (%s)\n",
snd_strerror(r));
snd_pcm_close(h);
return NULL;
}
return h;
}
/**************************************************************************
* 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;
}
static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
LPWAVEFORMATEX pwfx,
DWORD dwFlags, DWORD dwCardAddress,
LPDWORD pdwcbBufferSize,
LPBYTE *ppbBuffer,
LPVOID *ppvObj)
{
IDsDriverImpl *This = (IDsDriverImpl *)iface;
IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
HRESULT err;
TRACE("(%p,%p,%x,%x)\n",iface,pwfx,dwFlags,dwCardAddress);
/* we only support primary buffers... for now */
if (!(dwFlags & DSBCAPS_PRIMARYBUFFER))
return DSERR_UNSUPPORTED;
if (This->primary)
return DSERR_ALLOCATED;
*ippdsdb = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDsDriverBufferImpl));
if (*ippdsdb == NULL)
return DSERR_OUTOFMEMORY;
(*ippdsdb)->hw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_hw_params_sizeof());
(*ippdsdb)->sw_params = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, snd_pcm_sw_params_sizeof());
if (!(*ippdsdb)->hw_params || !(*ippdsdb)->sw_params)
{
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->sw_params);
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->hw_params);
return DSERR_OUTOFMEMORY;
}
(*ippdsdb)->lpVtbl = &dsdbvt;
(*ippdsdb)->ref = 1;
(*ippdsdb)->drv = This;
InitializeCriticalSection(&(*ippdsdb)->pcm_crst);
(*ippdsdb)->pcm_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": ALSA_DSOUTPUT.pcm_crst");
/* SetFormat has to re-initialize pcm here anyway */
err = SetFormat(*ippdsdb, pwfx);
if (FAILED(err))
{
WARN("Error occurred: %08x\n", err);
goto err;
}
if (dwFlags & DSBCAPS_PRIMARYBUFFER)
This->primary = *ippdsdb;
*pdwcbBufferSize = (*ippdsdb)->mmap_buflen_bytes;
*ppbBuffer = (*ippdsdb)->mmap_buffer;
/* buffer is ready to go */
TRACE("buffer created at %p\n", *ippdsdb);
return err;
err:
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->sw_params);
HeapFree(GetProcessHeap(), 0, (*ippdsdb)->hw_params);
HeapFree(GetProcessHeap(), 0, *ippdsdb);
*ippdsdb = NULL;
return err;
}
/**************************************************************************
* 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;
}
