static ALuint OSSCaptureProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
oss_data *data = (oss_data*)pDevice->ExtraData;
int frameSize;
int amt;
SetRTPriority();
frameSize = aluFrameSizeFromFormat(pDevice->Format);
while(!data->killNow)
{
amt = read(data->fd, data->mix_data, data->data_size);
if(amt < 0)
{
AL_PRINT("read failed: %s\n", strerror(errno));
aluHandleDisconnect(pDevice);
break;
}
if(amt == 0)
{
Sleep(1);
continue;
}
if(data->doCapture)
WriteRingBuffer(data->ring, data->mix_data, amt/frameSize);
}
return 0;
}
static void* thread_function(void* arg)
{
ALCdevice* device = (ALCdevice*)arg;
AndroidData* data = (AndroidData*)device->ExtraData;
JNIEnv* env;
(*javaVM)->AttachCurrentThread(javaVM, &env, NULL);
(*env)->PushLocalFrame(env, 2);
int sampleRateInHz = device->Frequency;
int channelConfig = aluChannelsFromFormat(device->Format) == 1 ? CHANNEL_CONFIGURATION_MONO : CHANNEL_CONFIGURATION_STEREO;
int audioFormat = aluBytesFromFormat(device->Format) == 1 ? ENCODING_PCM_8BIT : ENCODING_PCM_16BIT;
int bufferSizeInBytes = (*env)->CallStaticIntMethod(env, cAudioTrack,
mGetMinBufferSize, sampleRateInHz, channelConfig, audioFormat) / 4;
int bufferSizeInSamples = bufferSizeInBytes / aluFrameSizeFromFormat(device->Format);
jobject track = (*env)->NewObject(env, cAudioTrack, mAudioTrack,
STREAM_MUSIC, sampleRateInHz, channelConfig, audioFormat, device->NumUpdates * bufferSizeInBytes, MODE_STREAM);
(*env)->CallNonvirtualVoidMethod(env, track, cAudioTrack, mPlay);
jarray buffer = (*env)->NewByteArray(env, bufferSizeInBytes);
while (data->running)
{
void* pBuffer = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
if (pBuffer)
{
aluMixData(device, pBuffer, bufferSizeInSamples);
(*env)->ReleasePrimitiveArrayCritical(env, buffer, pBuffer, 0);
(*env)->CallNonvirtualIntMethod(env, track, cAudioTrack, mWrite, buffer, 0, bufferSizeInBytes);
}
else
{
AL_PRINT("Failed to get pointer to array bytes");
}
}
(*env)->CallNonvirtualVoidMethod(env, track, cAudioTrack, mStop);
(*env)->CallNonvirtualVoidMethod(env, track, cAudioTrack, mRelease);
(*env)->PopLocalFrame(env, NULL);
(*javaVM)->DetachCurrentThread(javaVM);
return NULL;
}
AL_API void AL_APIENTRY alBufferiv(ALuint buffer, ALenum eParam, const ALint* plValues)
{
ALCcontext *pContext;
ALCdevice *device;
ALbuffer *ALBuf;
pContext = GetContextSuspended();
if(!pContext) return;
device = pContext->Device;
if(!plValues)
alSetError(pContext, AL_INVALID_VALUE);
else if((ALBuf=LookupBuffer(device->BufferMap, buffer)) == NULL)
alSetError(pContext, AL_INVALID_NAME);
else
{
switch(eParam)
{
case AL_LOOP_POINTS:
if(ALBuf->refcount > 0)
alSetError(pContext, AL_INVALID_OPERATION);
else if(plValues[0] < 0 || plValues[1] < 0 ||
plValues[0] >= plValues[1] || ALBuf->size == 0)
alSetError(pContext, AL_INVALID_VALUE);
else
{
ALint maxlen = ALBuf->size / aluFrameSizeFromFormat(ALBuf->format);
if(plValues[0] > maxlen || plValues[1] > maxlen)
alSetError(pContext, AL_INVALID_VALUE);
else
{
ALBuf->LoopStart = plValues[0];
ALBuf->LoopEnd = plValues[1];
}
}
break;
default:
alSetError(pContext, AL_INVALID_ENUM);
break;
}
}
ProcessContext(pContext);
}
static void WinMMCaptureSamples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
ALuint ulSamples = (unsigned long)lSamples;
ALuint ulBytes, ulBytesToCopy;
ALuint ulCapturedSamples;
ALuint ulReadOffset;
ALuint frameSize = aluFrameSizeFromFormat(pDevice->Format);
// Check that we have the requested numbers of Samples
ulCapturedSamples = (pData->ulWriteCapturedDataPos -
pData->ulReadCapturedDataPos) /
frameSize;
if(ulSamples > ulCapturedSamples)
{
alcSetError(pDevice, ALC_INVALID_VALUE);
return;
}
ulBytes = ulSamples * frameSize;
// Get Read Offset
ulReadOffset = (pData->ulReadCapturedDataPos % pData->ulCapturedDataSize);
// Check for wrap-around condition
if ((ulReadOffset + ulBytes) > pData->ulCapturedDataSize)
{
// Copy data from last Read position to end of data
ulBytesToCopy = pData->ulCapturedDataSize - ulReadOffset;
memcpy(pBuffer, pData->pCapturedSampleData + ulReadOffset, ulBytesToCopy);
// Copy rest of the data from the start of the captured data
memcpy(((char *)pBuffer) + ulBytesToCopy, pData->pCapturedSampleData, ulBytes - ulBytesToCopy);
}
else
{
// Copy data from the read position in the captured data
memcpy(pBuffer, pData->pCapturedSampleData + ulReadOffset, ulBytes);
}
// Update Read Position
pData->ulReadCapturedDataPos += ulBytes;
}
static ALuint OSSProc( ALvoid* ptr )
{
ALCdevice* pDevice = ( ALCdevice* )ptr;
oss_data* data = ( oss_data* )pDevice->ExtraData;
ALint frameSize;
ssize_t wrote;
SetRTPriority();
frameSize = aluFrameSizeFromFormat( pDevice->Format );
while ( !data->killNow && pDevice->Connected )
{
ALint len = data->data_size;
ALubyte* WritePtr = data->mix_data;
aluMixData( pDevice, WritePtr, len / frameSize );
while ( len > 0 && !data->killNow )
{
wrote = write( data->fd, WritePtr, len );
if ( wrote < 0 )
{
if ( errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR )
{
AL_PRINT( "write failed: %s\n", strerror( errno ) );
aluHandleDisconnect( pDevice );
break;
}
Sleep( 1 );
continue;
}
len -= wrote;
WritePtr += wrote;
}
}
return 0;
}
static ALCboolean alsa_open_capture(ALCdevice *pDevice, const ALCchar *deviceName)
{
snd_pcm_hw_params_t *p;
snd_pcm_uframes_t bufferSizeInFrames;
snd_pcm_format_t format;
ALuint frameSize;
alsa_data *data;
char driver[64];
char *err;
int i;
if(!alsa_load())
return ALC_FALSE;
strncpy(driver, GetConfigValue("alsa", "capture", "default"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(!allCaptureDevNameMap)
allCaptureDevNameMap = probe_devices(SND_PCM_STREAM_CAPTURE, &numCaptureDevNames);
if(!deviceName)
deviceName = allCaptureDevNameMap[0].name;
else
{
size_t idx;
for(idx = 0;idx < numCaptureDevNames;idx++)
{
if(allCaptureDevNameMap[idx].name &&
strcmp(deviceName, allCaptureDevNameMap[idx].name) == 0)
{
if(idx > 0)
sprintf(driver, "plughw:%d,%d", allCaptureDevNameMap[idx].card, allCaptureDevNameMap[idx].dev);
break;
}
}
if(idx == numCaptureDevNames)
return ALC_FALSE;
}
data = (alsa_data*)calloc(1, sizeof(alsa_data));
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if(i < 0)
{
Sleep(200);
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
}
if(i < 0)
{
AL_PRINT("Could not open capture device '%s': %s\n", driver, psnd_strerror(i));
free(data);
return ALC_FALSE;
}
switch(aluBytesFromFormat(pDevice->Format))
{
case 1:
format = SND_PCM_FORMAT_U8;
break;
case 2:
format = SND_PCM_FORMAT_S16;
break;
case 4:
format = SND_PCM_FORMAT_FLOAT;
break;
default:
AL_PRINT("Unknown format: 0x%x\n", pDevice->Format);
goto error;
}
err = NULL;
bufferSizeInFrames = pDevice->UpdateSize * pDevice->NumUpdates;
psnd_pcm_hw_params_malloc(&p);
if((i=psnd_pcm_hw_params_any(data->pcmHandle, p)) < 0)
err = "any";
/* set interleaved access */
if(i >= 0 && (i=psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
err = "set access";
/* set format (implicitly sets sample bits) */
if(i >= 0 && (i=psnd_pcm_hw_params_set_format(data->pcmHandle, p, format)) < 0)
err = "set format";
/* set channels (implicitly sets frame bits) */
if(i >= 0 && (i=psnd_pcm_hw_params_set_channels(data->pcmHandle, p, aluChannelsFromFormat(pDevice->Format))) < 0)
err = "set channels";
/* set rate (implicitly constrains period/buffer parameters) */
if(i >= 0 && (i=psnd_pcm_hw_params_set_rate(data->pcmHandle, p, pDevice->Frequency, 0)) < 0)
err = "set rate near";
/* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
if(i >= 0 && (i=psnd_pcm_hw_params_set_buffer_size_near(data->pcmHandle, p, &bufferSizeInFrames)) < 0)
err = "set buffer size near";
/* install and prepare hardware configuration */
if(i >= 0 && (i=psnd_pcm_hw_params(data->pcmHandle, p)) < 0)
err = "set params";
if(i < 0)
{
AL_PRINT("%s failed: %s\n", err, psnd_strerror(i));
psnd_pcm_hw_params_free(p);
goto error;
}
if((i=psnd_pcm_hw_params_get_period_size(p, &bufferSizeInFrames, NULL)) < 0)
{
AL_PRINT("get size failed: %s\n", psnd_strerror(i));
psnd_pcm_hw_params_free(p);
goto error;
}
psnd_pcm_hw_params_free(p);
frameSize = aluFrameSizeFromFormat(pDevice->Format);
data->ring = CreateRingBuffer(frameSize, pDevice->UpdateSize*pDevice->NumUpdates);
if(!data->ring)
{
AL_PRINT("ring buffer create failed\n");
goto error;
}
data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, bufferSizeInFrames);
data->buffer = malloc(data->size);
if(!data->buffer)
{
AL_PRINT("buffer malloc failed\n");
goto error;
}
pDevice->szDeviceName = strdup(deviceName);
pDevice->ExtraData = data;
return ALC_TRUE;
error:
free(data->buffer);
DestroyRingBuffer(data->ring);
psnd_pcm_close(data->pcmHandle);
free(data);
pDevice->ExtraData = NULL;
return ALC_FALSE;
}
static ALCboolean pulse_reset_playback( ALCdevice* device ) //{{{
{
pulse_data* data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
ppa_threaded_mainloop_lock( data->loop );
if ( !ConfigValueExists( NULL, "format" ) )
{
pa_operation* o;
o = ppa_context_get_sink_info_by_name( data->context, data->device_name, sink_info_callback, device );
while ( ppa_operation_get_state( o ) == PA_OPERATION_RUNNING )
{
ppa_threaded_mainloop_wait( data->loop );
}
ppa_operation_unref( o );
}
if ( !ConfigValueExists( NULL, "frequency" ) )
{
flags |= PA_STREAM_FIX_RATE;
}
data->frame_size = aluFrameSizeFromFormat( device->Format );
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.fragsize = -1;
data->attr.tlength = device->UpdateSize * device->NumUpdates *
data->frame_size;
data->attr.maxlength = data->attr.tlength;
switch ( aluBytesFromFormat( device->Format ) )
{
case 1:
data->spec.format = PA_SAMPLE_U8;
break;
case 2:
data->spec.format = PA_SAMPLE_S16NE;
break;
case 4:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
default:
AL_PRINT( "Unknown format: 0x%x\n", device->Format );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
data->spec.rate = device->Frequency;
data->spec.channels = aluChannelsFromFormat( device->Format );
if ( ppa_sample_spec_valid( &data->spec ) == 0 )
{
AL_PRINT( "Invalid sample format\n" );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
if ( !ppa_channel_map_init_auto( &chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX ) )
{
AL_PRINT( "Couldn't build map for channel count (%d)!\n", data->spec.channels );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
SetDefaultWFXChannelOrder( device );
data->stream = connect_playback_stream( device, flags, &data->attr, &data->spec, &chanmap );
if ( !data->stream )
{
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
ppa_stream_set_state_callback( data->stream, stream_state_callback2, device );
data->spec = *( ppa_stream_get_sample_spec( data->stream ) );
if ( device->Frequency != data->spec.rate )
{
pa_operation* o;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.tlength = ( ALuint64 )( data->attr.tlength / data->frame_size ) *
data->spec.rate / device->Frequency * data->frame_size;
data->attr.maxlength = data->attr.tlength;
o = ppa_stream_set_buffer_attr( data->stream, &data->attr,
stream_success_callback, device );
while ( ppa_operation_get_state( o ) == PA_OPERATION_RUNNING )
{
ppa_threaded_mainloop_wait( data->loop );
}
ppa_operation_unref( o );
device->Frequency = data->spec.rate;
}
stream_buffer_attr_callback( data->stream, device );
#if PA_CHECK_VERSION(0,9,15)
if ( ppa_stream_set_buffer_attr_callback )
{
ppa_stream_set_buffer_attr_callback( data->stream, stream_buffer_attr_callback, device );
}
#endif
ppa_stream_set_moved_callback( data->stream, stream_device_callback, device );
stream_write_callback( data->stream, data->attr.tlength, device );
ppa_stream_set_write_callback( data->stream, stream_write_callback, device );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_TRUE;
} //}}}
static ALCboolean pulse_open_capture( ALCdevice* device, const ALCchar* device_name ) //{{{
{
char* pulse_name = NULL;
pulse_data* data;
pa_stream_flags_t flags = 0;
pa_stream_state_t state;
pa_channel_map chanmap;
if ( !pulse_load() )
{
return ALC_FALSE;
}
if ( !allCaptureDevNameMap )
{
probe_devices( AL_TRUE );
}
if ( !device_name )
{
device_name = allCaptureDevNameMap[0].name;
}
else
{
ALuint i;
for ( i = 0; i < numCaptureDevNames; i++ )
{
if ( strcmp( device_name, allCaptureDevNameMap[i].name ) == 0 )
{
pulse_name = allCaptureDevNameMap[i].device_name;
break;
}
}
if ( i == numCaptureDevNames )
{
return ALC_FALSE;
}
}
if ( pulse_open( device, device_name ) == ALC_FALSE )
{
return ALC_FALSE;
}
data = device->ExtraData;
ppa_threaded_mainloop_lock( data->loop );
data->samples = device->UpdateSize * device->NumUpdates;
data->frame_size = aluFrameSizeFromFormat( device->Format );
if ( !( data->ring = CreateRingBuffer( data->frame_size, data->samples ) ) )
{
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.maxlength = data->frame_size * data->samples;
data->attr.tlength = -1;
data->attr.fragsize = min( data->frame_size * data->samples,
10 * device->Frequency / 1000 );
data->spec.rate = device->Frequency;
data->spec.channels = aluChannelsFromFormat( device->Format );
switch ( aluBytesFromFormat( device->Format ) )
{
case 1:
data->spec.format = PA_SAMPLE_U8;
break;
case 2:
data->spec.format = PA_SAMPLE_S16NE;
break;
case 4:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
default:
AL_PRINT( "Unknown format: 0x%x\n", device->Format );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
if ( ppa_sample_spec_valid( &data->spec ) == 0 )
{
AL_PRINT( "Invalid sample format\n" );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
if ( !ppa_channel_map_init_auto( &chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX ) )
{
AL_PRINT( "Couldn't build map for channel count (%d)!\n", data->spec.channels );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
data->stream = ppa_stream_new( data->context, "Capture Stream", &data->spec, &chanmap );
if ( !data->stream )
{
AL_PRINT( "pa_stream_new() failed: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
ppa_stream_set_state_callback( data->stream, stream_state_callback, data->loop );
flags |= PA_STREAM_START_CORKED | PA_STREAM_ADJUST_LATENCY;
if ( ppa_stream_connect_record( data->stream, pulse_name, &data->attr, flags ) < 0 )
{
AL_PRINT( "Stream did not connect: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_stream_unref( data->stream );
data->stream = NULL;
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
while ( ( state = ppa_stream_get_state( data->stream ) ) != PA_STREAM_READY )
{
if ( !PA_STREAM_IS_GOOD( state ) )
{
AL_PRINT( "Stream did not get ready: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_stream_unref( data->stream );
data->stream = NULL;
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
ppa_threaded_mainloop_wait( data->loop );
}
ppa_stream_set_state_callback( data->stream, stream_state_callback2, device );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_TRUE;
fail:
pulse_close( device );
return ALC_FALSE;
} //}}}
static ALuint WaveProc( ALvoid* ptr )
{
ALCdevice* pDevice = ( ALCdevice* )ptr;
wave_data* data = ( wave_data* )pDevice->ExtraData;
ALuint frameSize;
ALuint now, last;
size_t fs;
ALuint avail;
union
{
short s;
char b[sizeof( short )];
} uSB;
uSB.s = 1;
frameSize = aluFrameSizeFromFormat( pDevice->Format );
last = timeGetTime() << 8;
while ( !data->killNow && pDevice->Connected )
{
now = timeGetTime() << 8;
avail = ( ALuint64 )( now - last ) * pDevice->Frequency / ( 1000 << 8 );
if ( avail < pDevice->UpdateSize )
{
Sleep( 1 );
continue;
}
while ( avail >= pDevice->UpdateSize )
{
aluMixData( pDevice, data->buffer, pDevice->UpdateSize );
if ( uSB.b[0] != 1 )
{
ALubyte* bytes = data->buffer;
ALuint i;
if ( aluBytesFromFormat( pDevice->Format ) == 1 )
{
for ( i = 0; i < data->size; i++ )
{
fputc( bytes[i], data->f );
}
}
else if ( aluBytesFromFormat( pDevice->Format ) == 2 )
{
for ( i = 0; i < data->size; i++ )
{
fputc( bytes[i ^ 1], data->f );
}
}
else if ( aluBytesFromFormat( pDevice->Format ) == 4 )
{
for ( i = 0; i < data->size; i++ )
{
fputc( bytes[i ^ 3], data->f );
}
}
}
else
fs = fwrite( data->buffer, frameSize, pDevice->UpdateSize,
data->f );
if ( ferror( data->f ) )
{
AL_PRINT( "Error writing to file\n" );
aluHandleDisconnect( pDevice );
break;
}
avail -= pDevice->UpdateSize;
last += ( ALuint64 )pDevice->UpdateSize * ( 1000 << 8 ) / pDevice->Frequency;
}
}
return 0;
}
static ALCboolean DSoundResetPlayback(ALCdevice *device)
{
DSoundData *pData = (DSoundData*)device->ExtraData;
DSBUFFERDESC DSBDescription;
WAVEFORMATEXTENSIBLE OutputType;
DWORD frameSize = 0;
ALenum format = 0;
DWORD speakers;
HRESULT hr;
memset(&OutputType, 0, sizeof(OutputType));
hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);
if(SUCCEEDED(hr) && ConfigValueExists(NULL, "format"))
{
if(aluChannelsFromFormat(device->Format) == 1)
speakers = DSSPEAKER_COMBINED(DSSPEAKER_MONO, 0);
else if(aluChannelsFromFormat(device->Format) == 2)
speakers = DSSPEAKER_COMBINED(DSSPEAKER_STEREO, 0);
else if(aluChannelsFromFormat(device->Format) == 4)
speakers = DSSPEAKER_COMBINED(DSSPEAKER_QUAD, 0);
else if(aluChannelsFromFormat(device->Format) == 6)
speakers = DSSPEAKER_COMBINED(DSSPEAKER_5POINT1, 0);
else if(aluChannelsFromFormat(device->Format) == 8)
speakers = DSSPEAKER_COMBINED(DSSPEAKER_7POINT1, 0);
else
{
AL_PRINT("Unknown format: 0x%x\n", device->Format);
return ALC_FALSE;
}
}
if(SUCCEEDED(hr))
{
speakers = DSSPEAKER_CONFIG(speakers);
if(speakers == DSSPEAKER_MONO)
{
if(aluBytesFromFormat(device->Format) == 1)
format = AL_FORMAT_MONO8;
else if(aluBytesFromFormat(device->Format) == 2)
format = AL_FORMAT_MONO16;
else if(aluBytesFromFormat(device->Format) == 4)
format = AL_FORMAT_MONO_FLOAT32;
OutputType.dwChannelMask = SPEAKER_FRONT_CENTER;
}
else if(speakers == DSSPEAKER_STEREO)
{
if(aluBytesFromFormat(device->Format) == 1)
format = AL_FORMAT_STEREO8;
else if(aluBytesFromFormat(device->Format) == 2)
format = AL_FORMAT_STEREO16;
else if(aluBytesFromFormat(device->Format) == 4)
format = AL_FORMAT_STEREO_FLOAT32;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT;
}
else if(speakers == DSSPEAKER_QUAD)
{
if(aluBytesFromFormat(device->Format) == 1)
format = AL_FORMAT_QUAD8;
else if(aluBytesFromFormat(device->Format) == 2)
format = AL_FORMAT_QUAD16;
else if(aluBytesFromFormat(device->Format) == 4)
format = AL_FORMAT_QUAD32;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
}
else if(speakers == DSSPEAKER_5POINT1)
{
if(aluBytesFromFormat(device->Format) == 1)
format = AL_FORMAT_51CHN8;
else if(aluBytesFromFormat(device->Format) == 2)
format = AL_FORMAT_51CHN16;
else if(aluBytesFromFormat(device->Format) == 4)
format = AL_FORMAT_51CHN32;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
}
else if(speakers == DSSPEAKER_7POINT1)
{
if(aluBytesFromFormat(device->Format) == 1)
format = AL_FORMAT_71CHN8;
else if(aluBytesFromFormat(device->Format) == 2)
format = AL_FORMAT_71CHN16;
else if(aluBytesFromFormat(device->Format) == 4)
format = AL_FORMAT_71CHN32;
OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT |
SPEAKER_SIDE_LEFT |
SPEAKER_SIDE_RIGHT;
}
else
format = device->Format;
frameSize = aluFrameSizeFromFormat(format);
OutputType.Format.wFormatTag = WAVE_FORMAT_PCM;
OutputType.Format.nChannels = aluChannelsFromFormat(format);
OutputType.Format.wBitsPerSample = aluBytesFromFormat(format) * 8;
OutputType.Format.nBlockAlign = OutputType.Format.nChannels*OutputType.Format.wBitsPerSample/8;
OutputType.Format.nSamplesPerSec = device->Frequency;
OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign;
OutputType.Format.cbSize = 0;
}
if(OutputType.Format.nChannels > 2 || OutputType.Format.wBitsPerSample > 16)
{
OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
OutputType.Format.cbSize = 22;
if(OutputType.Format.wBitsPerSample == 32)
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
else
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}
else
{
if(SUCCEEDED(hr))
{
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);
}
if(SUCCEEDED(hr))
hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType.Format);
}
if(SUCCEEDED(hr))
{
memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
DSBDescription.dwSize=sizeof(DSBUFFERDESC);
DSBDescription.dwFlags=DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2;
DSBDescription.dwBufferBytes=device->UpdateSize * device->NumUpdates * frameSize;
DSBDescription.lpwfxFormat=&OutputType.Format;
hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL);
}
if(SUCCEEDED(hr))
hr = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
if(SUCCEEDED(hr))
{
device->Format = format;
SetDefaultWFXChannelOrder(device);
pData->thread = StartThread(DSoundProc, device);
if(!pData->thread)
hr = E_FAIL;
}
if(FAILED(hr))
{
if (pData->DSsbuffer)
IDirectSoundBuffer_Release(pData->DSsbuffer);
pData->DSsbuffer = NULL;
if (pData->DSpbuffer)
IDirectSoundBuffer_Release(pData->DSpbuffer);
pData->DSpbuffer = NULL;
return ALC_FALSE;
}
return ALC_TRUE;
}
static ALuint DSoundProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
DSoundData *pData = (DSoundData*)pDevice->ExtraData;
DSBCAPS DSBCaps;
DWORD LastCursor = 0;
DWORD PlayCursor;
VOID *WritePtr1, *WritePtr2;
DWORD WriteCnt1, WriteCnt2;
DWORD FrameSize;
DWORD FragSize;
DWORD avail;
HRESULT err;
SetRTPriority();
memset(&DSBCaps, 0, sizeof(DSBCaps));
DSBCaps.dwSize = sizeof(DSBCaps);
err = IDirectSoundBuffer_GetCaps(pData->DSsbuffer, &DSBCaps);
if(FAILED(err))
{
AL_PRINT("Failed to get buffer caps: 0x%lx\n", err);
aluHandleDisconnect(pDevice);
return 1;
}
FrameSize = aluFrameSizeFromFormat(pDevice->Format);
FragSize = pDevice->UpdateSize * FrameSize;
IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &LastCursor, NULL);
while(!pData->killNow)
{
// Get current play and write cursors
IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);
avail = (PlayCursor-LastCursor+DSBCaps.dwBufferBytes) % DSBCaps.dwBufferBytes;
if(avail < FragSize)
{
Sleep(1);
continue;
}
avail -= avail%FragSize;
// Lock output buffer
WriteCnt1 = 0;
WriteCnt2 = 0;
err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
// If the buffer is lost, restore it, play and lock
if(err == DSERR_BUFFERLOST)
{
err = IDirectSoundBuffer_Restore(pData->DSsbuffer);
if(SUCCEEDED(err))
err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
if(SUCCEEDED(err))
err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
}
// Successfully locked the output buffer
if(SUCCEEDED(err))
{
// If we have an active context, mix data directly into output buffer otherwise fill with silence
aluMixData(pDevice, WritePtr1, WriteCnt1/FrameSize);
aluMixData(pDevice, WritePtr2, WriteCnt2/FrameSize);
// Unlock output buffer only when successfully locked
IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr1, WriteCnt1, WritePtr2, WriteCnt2);
}
else
AL_PRINT("Buffer lock error: %#lx\n", err);
// Update old write cursor location
LastCursor += WriteCnt1+WriteCnt2;
LastCursor %= DSBCaps.dwBufferBytes;
}
return 0;
}
static ALCboolean pa_open_capture(ALCdevice *device, const ALCchar *deviceName)
{
PaStreamParameters inParams;
ALuint frame_size;
pa_data *data;
PaError err;
if(!deviceName)
deviceName = pa_device;
else if(strcmp(deviceName, pa_device) != 0)
return ALC_FALSE;
if(!pa_load())
return ALC_FALSE;
data = (pa_data*)calloc(1, sizeof(pa_data));
if(data == NULL)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
frame_size = aluFrameSizeFromFormat(device->Format);
data->ring = CreateRingBuffer(frame_size, device->UpdateSize*device->NumUpdates);
if(data->ring == NULL)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
goto error;
}
inParams.device = GetConfigValueInt("port", "capture", -1);
if(inParams.device < 0)
inParams.device = pPa_GetDefaultOutputDevice();
inParams.suggestedLatency = 0.0f;
inParams.hostApiSpecificStreamInfo = NULL;
switch(aluBytesFromFormat(device->Format))
{
case 1:
inParams.sampleFormat = paUInt8;
break;
case 2:
inParams.sampleFormat = paInt16;
break;
case 4:
inParams.sampleFormat = paFloat32;
break;
default:
AL_PRINT("Unknown format: 0x%x\n", device->Format);
goto error;
}
inParams.channelCount = aluChannelsFromFormat(device->Format);
err = pPa_OpenStream(&data->stream, &inParams, NULL, device->Frequency,
paFramesPerBufferUnspecified, paNoFlag, pa_capture_cb, device);
if(err != paNoError)
{
AL_PRINT("Pa_OpenStream() returned an error: %s\n", pPa_GetErrorText(err));
goto error;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
error:
DestroyRingBuffer(data->ring);
free(data);
return ALC_FALSE;
}
static ALCuint WinMMAvailableSamples(ALCdevice *pDevice)
{
WinMMData *pData = (WinMMData*)pDevice->ExtraData;
ALCuint lCapturedBytes = (pData->ulWriteCapturedDataPos - pData->ulReadCapturedDataPos);
return lCapturedBytes / aluFrameSizeFromFormat(pDevice->Format);
}
