void DXAudioInput::run() {
LPDIRECTSOUNDCAPTURE8 pDSCapture;
LPDIRECTSOUNDCAPTUREBUFFER pDSCaptureBuffer;
LPDIRECTSOUNDNOTIFY pDSNotify;
DWORD dwBufferSize;
bool bOk;
DWORD dwReadPosition;
DWORD dwCapturePosition;
LPVOID aptr1, aptr2;
DWORD nbytes1, nbytes2;
HRESULT hr;
WAVEFORMATEX wfx;
DSCBUFFERDESC dscbd;
pDSCapture = NULL;
pDSCaptureBuffer = NULL;
pDSNotify = NULL;
bOk = false;
bool failed = false;
Timer t;
ZeroMemory(&wfx, sizeof(wfx));
wfx.wFormatTag = WAVE_FORMAT_PCM;
ZeroMemory(&dscbd, sizeof(dscbd));
dscbd.dwSize = sizeof(dscbd);
dscbd.dwBufferBytes = dwBufferSize = iFrameSize * sizeof(short) * NBUFFBLOCKS;
dscbd.lpwfxFormat = &wfx;
wfx.nChannels = 1;
wfx.nSamplesPerSec = iSampleRate;
wfx.nBlockAlign = 2;
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
wfx.wBitsPerSample = 16;
// Create IDirectSoundCapture using the preferred capture device
if (! g.s.qbaDXInput.isEmpty()) {
LPGUID lpguid = reinterpret_cast<LPGUID>(g.s.qbaDXInput.data());
if (FAILED(hr = DirectSoundCaptureCreate8(lpguid, &pDSCapture, NULL))) {
failed = true;
}
}
if (! pDSCapture && FAILED(hr = DirectSoundCaptureCreate8(&DSDEVID_DefaultVoiceCapture, &pDSCapture, NULL)))
qWarning("DXAudioInput: DirectSoundCaptureCreate failed: hr=0x%08lx", hr);
else if (FAILED(hr = pDSCapture->CreateCaptureBuffer(&dscbd, &pDSCaptureBuffer, NULL)))
qWarning("DXAudioInput: CreateCaptureBuffer failed: hr=0x%08lx", hr);
else if (FAILED(hr = pDSCaptureBuffer->QueryInterface(IID_IDirectSoundNotify, reinterpret_cast<void **>(&pDSNotify))))
qWarning("DXAudioInput: QueryInterface (Notify) failed: hr=0x%08lx", hr);
else
bOk = true;
if (failed)
g.mw->msgBox(tr("Opening chosen DirectSound Input failed. Default device will be used."));
qWarning("DXAudioInput: Initialized");
if (! bOk)
goto cleanup;
if (FAILED(hr = pDSCaptureBuffer->Start(DSCBSTART_LOOPING))) {
qWarning("DXAudioInput: Start failed: hr=0x%08lx", hr);
} else {
DWORD dwReadyBytes = 0;
DWORD dwLastReadPos = 0;
float safety = 2.0f;
while (bRunning) {
bool firstsleep = true;
bool didsleep = false;
do {
if (FAILED(hr = pDSCaptureBuffer->GetCurrentPosition(&dwCapturePosition, &dwReadPosition))) {
qWarning("DXAudioInput: GetCurrentPosition failed: hr=0x%08lx", hr);
bRunning = false;
break;
}
if (dwReadPosition < dwLastReadPos)
dwReadyBytes = (dwBufferSize - dwLastReadPos) + dwReadPosition;
else
dwReadyBytes = dwReadPosition - dwLastReadPos;
if (static_cast<size_t>(dwReadyBytes) < sizeof(short) * iFrameSize) {
double msecleft = 20.0 - (dwReadyBytes * 20.0) / (sizeof(short) * iFrameSize);
if (didsleep)
safety *= 1.1f;
else if (firstsleep)
safety *= 0.998f;
int msec = static_cast<int>(msecleft + (firstsleep ? safety : 0.0));
msleep(msec);
didsleep = true;
firstsleep = false;
}
} while (static_cast<size_t>(dwReadyBytes) < sizeof(short) * iFrameSize);
// Desynchonized?
if (dwReadyBytes > (dwBufferSize / 2)) {
qWarning("DXAudioInput: Lost synchronization");
dwLastReadPos = dwReadPosition;
} else if (bRunning) {
if (FAILED(hr = pDSCaptureBuffer->Lock(dwLastReadPos, sizeof(short) * iFrameSize, &aptr1, &nbytes1, &aptr2, &nbytes2, 0))) {
qWarning("DXAudioInput: Lock from %lu (%zu bytes) failed: hr=0x%08lx", static_cast<unsigned long>(dwLastReadPos), sizeof(short) * iFrameSize, hr);
bRunning = false;
break;
}
if (aptr1 && nbytes1)
CopyMemory(psMic, aptr1, nbytes1);
if (aptr2 && nbytes2)
CopyMemory(psMic+nbytes1/2, aptr2, nbytes2);
if (FAILED(hr = pDSCaptureBuffer->Unlock(aptr1, nbytes1, aptr2, nbytes2))) {
qWarning("DXAudioInput: Unlock failed: hr=0x%08lx", hr);
bRunning = false;
break;
}
dwLastReadPos = (dwLastReadPos + sizeof(short) * iFrameSize) % dwBufferSize;
encodeAudioFrame();
}
}
if (! FAILED(hr))
pDSCaptureBuffer->Stop();
}
if (FAILED(hr)) {
g.mw->msgBox(tr("Lost DirectSound input device."));
}
cleanup:
if (! bOk) {
g.mw->msgBox(tr("Opening chosen DirectSound Input device failed. No microphone capture will be done."));
}
if (pDSNotify)
pDSNotify->Release();
if (pDSCaptureBuffer)
pDSCaptureBuffer->Release();
if (pDSCapture)
pDSCapture->Release();
}
bool nuiAudioDevice_DirectSound::Open(std::vector<uint32>& rInputChannels, std::vector<uint32>& rOutputChannels, double SampleRate, uint32 BufferSize, nuiAudioProcessFn pProcessFunction)
{
if (!mpDirectSound)
return false;
HRESULT hr = S_OK;
mAudioProcessFn = pProcessFunction;
mBufferSize = BufferSize;
hr = mpDirectSound->SetCooperativeLevel(GetDesktopWindow(), DSSCL_EXCLUSIVE);
mHasInput = (rInputChannels.size() > 0) && (mInputChannels.size() > 0);
mHasOutput = (rOutputChannels.size() > 0) && (mOutputChannels.size() > 0);
mpInputBuffer = NULL;
mpOutputBuffer = NULL;
if (!mHasInput && !mHasOutput)
return false;
// init ringbuffer
mpRingBuffer = new nglRingBuffer(BufferSize*4, sizeof(float), rOutputChannels.size());
mpRingBuffer->AdvanceWriteIndex(BufferSize);
// init input buffers
if (mHasInput)
{
{
mActiveInputChannels = rInputChannels;
}
WAVEFORMATEX IFormat;
IFormat.wFormatTag = WAVE_FORMAT_PCM;
IFormat.nChannels = (WORD)mInputChannels.size();
IFormat.nSamplesPerSec = ToNearest(SampleRate);
IFormat.wBitsPerSample = 16;
IFormat.nAvgBytesPerSec = IFormat.nChannels * IFormat.nSamplesPerSec * (IFormat.wBitsPerSample / 8);
IFormat.nBlockAlign = IFormat.nChannels * (IFormat.wBitsPerSample / 8);
IFormat.cbSize = 0;
DSCBUFFERDESC IBufferDesc;
memset(&IBufferDesc, 0, sizeof(IBufferDesc));
IBufferDesc.dwSize = sizeof(DSCBUFFERDESC);
IBufferDesc.dwFlags = DSCBCAPS_WAVEMAPPED;
IBufferDesc.dwBufferBytes = (IFormat.wBitsPerSample / 8) * IFormat.nChannels * BufferSize * 2;
IBufferDesc.dwReserved = 0;
IBufferDesc.lpwfxFormat = &IFormat;
IBufferDesc.dwFXCount = 0;
IBufferDesc.lpDSCFXDesc = NULL;
NGL_ASSERT(mpDirectSoundCapture);
hr = mpDirectSoundCapture->CreateCaptureBuffer(&IBufferDesc, &mpInputBuffer, NULL);
}
// init output buffers
if (mHasOutput)
{
{
mActiveOutputChannels = rOutputChannels;
}
WAVEFORMATEX OFormat;
OFormat.wFormatTag = WAVE_FORMAT_PCM;
OFormat.nChannels = (WORD)mOutputChannels.size();
OFormat.nSamplesPerSec = ToNearest(SampleRate);
OFormat.wBitsPerSample = 16;
OFormat.nAvgBytesPerSec = OFormat.nChannels * OFormat.nSamplesPerSec * (OFormat.wBitsPerSample / 8);
OFormat.nBlockAlign = OFormat.nChannels * OFormat.wBitsPerSample / 8;
OFormat.cbSize = 0;
DSBUFFERDESC OBufferDesc;
memset(&OBufferDesc, 0, sizeof(OBufferDesc));
OBufferDesc.dwSize = sizeof(OBufferDesc);
OBufferDesc.dwFlags = DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLPOSITIONNOTIFY;
OBufferDesc.dwBufferBytes = (OFormat.wBitsPerSample / 8) * OFormat.nChannels * BufferSize * 2;
OBufferDesc.dwReserved = 0;
OBufferDesc.lpwfxFormat = &OFormat;
hr = mpDirectSound->CreateSoundBuffer(&OBufferDesc, &mpOutputBuffer, NULL);
}
// create event for notifications
mNotifInputEvent[0] = CreateEvent(NULL, FALSE, FALSE, _T("NUI_DSoundInputEvent0"));
mNotifInputEvent[1] = CreateEvent(NULL, FALSE, FALSE, _T("NUI_DSoundInputEvent1"));
mNotifOutputEvent[0] = CreateEvent(NULL, FALSE, FALSE, _T("NUI_DSoundOutputEvent0"));
mNotifOutputEvent[1] = CreateEvent(NULL, FALSE, FALSE, _T("NUI_DSoundOutputEvent1"));
// set the notification for the input buffer
if (mHasInput)
{
// Setup the notification positions
ZeroMemory( &mInputPosNotify, sizeof(DSBPOSITIONNOTIFY) * 2);
mInputPosNotify[0].dwOffset = BufferSize * sizeof(int16) * mInputChannels.size() - 1;
mInputPosNotify[0].hEventNotify = mNotifInputEvent[0];
mInputPosNotify[1].dwOffset = BufferSize * sizeof(int16) * mInputChannels.size() * 2 - 1;
mInputPosNotify[1].hEventNotify = mNotifInputEvent[1];
LPDIRECTSOUNDNOTIFY pInputNotify = NULL;
if( FAILED( hr = mpInputBuffer->QueryInterface( IID_IDirectSoundNotify, (VOID**)&pInputNotify ) ) )
{
NGL_LOG(_T("nuiAudioDevice_DirectSound"), NGL_LOG_ERROR, _T("Open ERROR : failed in querying interface for input notifications.\n"));
return false;
}
// Tell DirectSound when to notify us. the notification will come in the from
// of signaled events that are handled in WinMain()
if( FAILED( hr = pInputNotify->SetNotificationPositions( 2, mInputPosNotify ) ) )
{
NGL_LOG(_T("nuiAudioDevice_DirectSound"), NGL_LOG_ERROR, _T("Open ERROR : failed in setting notifications for input\n"));
return false;
}
pInputNotify->Release();
}
// set the notification events for the output buffer
if (mHasOutput)
{
// Setup the notification positions
ZeroMemory( &mOutputPosNotify, sizeof(DSBPOSITIONNOTIFY) * 2);
mOutputPosNotify[0].dwOffset = BufferSize * sizeof(int16) * mOutputChannels.size() - 1;
mOutputPosNotify[0].hEventNotify = mNotifOutputEvent[0];
mOutputPosNotify[1].dwOffset = BufferSize * sizeof(int16) * mOutputChannels.size() * 2 - 1;
mOutputPosNotify[1].hEventNotify = mNotifOutputEvent[1];
LPDIRECTSOUNDNOTIFY pOutputNotify = NULL;
if( FAILED( hr = mpOutputBuffer->QueryInterface( IID_IDirectSoundNotify, (VOID**)&pOutputNotify ) ) )
{
NGL_LOG(_T("nuiAudioDevice_DirectSound"), NGL_LOG_ERROR, _T("Open ERROR : failed in querying interface for output notifications.\n"));
return false;
}
// Tell DirectSound when to notify us. the notification will come in the from
// of signaled events that are handled in WinMain()
if( FAILED( hr = pOutputNotify->SetNotificationPositions( 2, mOutputPosNotify ) ) )
{
NGL_LOG(_T("nuiAudioDevice_DirectSound"), NGL_LOG_ERROR, _T("Open ERROR : failed in setting notifications for output\n"));
return false;
}
pOutputNotify->Release();
}
// start input processing thread
mpProcessingTh = new nuiAudioDevice_DS_ProcessingTh(this, mNotifInputEvent[0], mNotifInputEvent[1], mAudioProcessFn);
mpProcessingTh->Start();
// start output thread
if (mHasOutput)
{
mpOutputTh = new nuiAudioDevice_DS_OutputTh(this, mNotifInputEvent[0], mNotifInputEvent[1], mNotifOutputEvent[0], mNotifOutputEvent[1]);
mpOutputTh->Start();
hr = mpOutputBuffer->Play(0,0,DSCBSTART_LOOPING);
if (FAILED(hr))
NGL_LOG(_T("nuiAudioDevice_DirectSound"), NGL_LOG_ERROR, _T("OutputBuffer->Play ERROR!\n"));
}
// start input capture
if (mHasInput)
{
hr = mpInputBuffer->Start(DSCBSTART_LOOPING);
if (FAILED(hr))
NGL_LOG(_T("nuiAudioDevice_DirectSound"), NGL_LOG_ERROR, _T("InputBuffer->Start ERROR!\n"));
}
return true;
}
void DXAudioOutput::run() {
HRESULT hr;
DSBUFFERDESC dsbdesc;
WAVEFORMATEXTENSIBLE wfx;
WAVEFORMATEXTENSIBLE wfxSet;
int ns = 0;
unsigned int chanmasks[32];
LPDIRECTSOUND8 pDS = NULL;
LPDIRECTSOUNDBUFFER pDSBPrimary = NULL;
LPDIRECTSOUNDBUFFER pDSBOutput = NULL;
LPDIRECTSOUNDNOTIFY pDSNotify = NULL;
int iLastwriteblock;
LPVOID aptr1, aptr2;
DWORD nbytes1, nbytes2;
int playblock;
int nowriteblock;
DWORD dwPlayPosition, dwWritePosition;
unsigned int iByteSize;
bool bOk;
DWORD dwSpeakerConfig;
bool failed = false;
bOk = false;
DWORD dwMask = 0;
bool bHead = false;
ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_PRIMARYBUFFER;
if (! g.s.qbaDXOutput.isEmpty()) {
LPGUID lpguid = reinterpret_cast<LPGUID>(g.s.qbaDXOutput.data());
if (FAILED(hr = DirectSoundCreate8(lpguid, &pDS, NULL))) {
failed = true;
}
}
if (! pDS && FAILED(hr = DirectSoundCreate8(&DSDEVID_DefaultVoicePlayback, &pDS, NULL))) {
qWarning("DXAudioOutput: DirectSoundCreate failed: hr=0x%08lx", hr);
goto cleanup;
} else if (FAILED(hr = pDS->SetCooperativeLevel(mumble_mw_hwnd, DSSCL_PRIORITY))) {
qWarning("DXAudioOutput: SetCooperativeLevel failed: hr=0x%08lx", hr);
goto cleanup;
} else if (FAILED(hr = pDS->CreateSoundBuffer(&dsbdesc, &pDSBPrimary, NULL))) {
qWarning("DXAudioOutput: CreateSoundBuffer (Primary) failed: hr=0x%08lx", hr);
goto cleanup;
}
pDS->GetSpeakerConfig(&dwSpeakerConfig);
switch (DSSPEAKER_CONFIG(dwSpeakerConfig)) {
case DSSPEAKER_HEADPHONE:
dwMask = KSAUDIO_SPEAKER_STEREO;
bHead = true;
break;
case DSSPEAKER_MONO:
dwMask = KSAUDIO_SPEAKER_MONO;
break;
case DSSPEAKER_QUAD:
dwMask = KSAUDIO_SPEAKER_QUAD;
break;
case DSSPEAKER_STEREO:
dwMask = KSAUDIO_SPEAKER_STEREO;
break;
case DSSPEAKER_SURROUND:
dwMask = KSAUDIO_SPEAKER_SURROUND;
break;
case DSSPEAKER_5POINT1:
dwMask = KSAUDIO_SPEAKER_5POINT1;
break;
case DSSPEAKER_7POINT1:
dwMask = KSAUDIO_SPEAKER_7POINT1;
break;
case DSSPEAKER_7POINT1_SURROUND:
dwMask = KSAUDIO_SPEAKER_7POINT1_SURROUND;
break;
case DSSPEAKER_5POINT1_SURROUND:
dwMask = KSAUDIO_SPEAKER_5POINT1_SURROUND;
break;
default:
dwMask = 0;
break;
}
if (! g.s.doPositionalAudio())
dwMask = KSAUDIO_SPEAKER_STEREO;
for (int i=0;i<32;i++) {
if (dwMask & (1 << i)) {
chanmasks[ns++] = 1 << i;
}
}
iMixerFreq = SAMPLE_RATE;
iChannels = ns;
eSampleFormat = SampleShort;
iByteSize = iFrameSize * sizeof(short) * ns;
ZeroMemory(&wfxSet, sizeof(wfxSet));
wfxSet.Format.wFormatTag = WAVE_FORMAT_PCM;
ZeroMemory(&wfx, sizeof(wfx));
wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
wfx.Format.nChannels = qMax(ns, 2);
wfx.Format.nSamplesPerSec = SAMPLE_RATE;
wfx.Format.nBlockAlign = sizeof(short) * wfx.Format.nChannels;
wfx.Format.nAvgBytesPerSec = wfx.Format.nSamplesPerSec * wfx.Format.nBlockAlign;
wfx.Format.wBitsPerSample = 16;
if (FAILED(hr = pDSBPrimary->SetFormat(reinterpret_cast<WAVEFORMATEX *>(&wfx)))) {
qWarning("DXAudioOutput: SetFormat failed: hr=0x%08lx", hr);
goto cleanup;
}
if (FAILED(hr = pDSBPrimary->GetFormat(reinterpret_cast<WAVEFORMATEX *>(&wfxSet), sizeof(wfxSet), NULL))) {
qWarning("DXAudioOutput: GetFormat failed: hr=0x%08lx", hr);
goto cleanup;
}
qWarning("DXAudioOutput: Primary buffer of %ld Hz, %d channels, %d bits",wfxSet.Format.nSamplesPerSec,wfxSet.Format.nChannels,wfxSet.Format.wBitsPerSample);
ZeroMemory(&wfx, sizeof(wfx));
wfx.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfx.Format.nChannels = qMax(ns, 2);
wfx.Format.nSamplesPerSec = SAMPLE_RATE;
wfx.Format.nBlockAlign = sizeof(short) * wfx.Format.nChannels;
wfx.Format.nAvgBytesPerSec = wfx.Format.nSamplesPerSec * wfx.Format.nBlockAlign;
wfx.Format.wBitsPerSample = 16;
wfx.Format.cbSize = 32;
wfx.Samples.wValidBitsPerSample = wfx.Format.wBitsPerSample;
wfx.dwChannelMask = dwMask;
wfx.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2;
dsbdesc.dwFlags |= DSBCAPS_CTRLPOSITIONNOTIFY;
dsbdesc.dwBufferBytes = wfx.Format.nChannels * iFrameSize * sizeof(short) * NBLOCKS;
dsbdesc.lpwfxFormat = reinterpret_cast<WAVEFORMATEX *>(&wfx);
if (FAILED(hr = pDS->CreateSoundBuffer(&dsbdesc, &pDSBOutput, NULL))) {
qWarning("DXAudioOutputUser: CreateSoundBuffer (Secondary) failed: hr=0x%08lx", hr);
goto cleanup;
}
if (FAILED(hr = pDSBOutput->QueryInterface(IID_IDirectSoundNotify, reinterpret_cast<void **>(&pDSNotify)))) {
qWarning("DXAudioOutputUser: QueryInterface (Notify) failed: hr=0x%08lx", hr);
goto cleanup;
}
qWarning("DXAudioOutputUser: New %dHz output buffer of %ld bytes", SAMPLE_RATE, dsbdesc.dwBufferBytes);
if (failed)
g.mw->msgBox(tr("Opening chosen DirectSound Output failed. Default device will be used."));
initializeMixer(chanmasks, bHead);
if (FAILED(hr = pDSBOutput->Lock(0, 0, &aptr1, &nbytes1, &aptr2, &nbytes2, DSBLOCK_ENTIREBUFFER))) {
qWarning("DXAudioOutputUser: Initial Lock failed: hr=0x%08lx", hr);
goto cleanup;
}
if (aptr1)
ZeroMemory(aptr1, nbytes1);
if (aptr2)
ZeroMemory(aptr2, nbytes2);
if (FAILED(hr = pDSBOutput->Unlock(aptr1, nbytes1, aptr2, nbytes2))) {
qWarning("DXAudioOutputUser: Initial Unlock failed: hr=0x%08lx", hr);
goto cleanup;
}
if (FAILED(hr = pDSBOutput->Play(0, 0, DSBPLAY_LOOPING))) {
qWarning("DXAudioOutputUser: Play failed: hr=0x%08lx", hr);
goto cleanup;
}
iLastwriteblock = (NBLOCKS - 1 + g.s.iOutputDelay) % NBLOCKS;
bOk = true;
while (bRunning && ! FAILED(hr)) {
if (FAILED(hr = pDSBOutput->GetCurrentPosition(&dwPlayPosition, &dwWritePosition))) {
qWarning("DXAudioOutputUser: GetCurrentPosition failed: hr=0x%08lx", hr);
break;
}
playblock = dwWritePosition / iByteSize;
nowriteblock = (playblock + g.s.iOutputDelay + 1) % NBLOCKS;
for (int block=(iLastwriteblock + 1) % NBLOCKS;(!FAILED(hr)) && (block!=nowriteblock);block=(block + 1) % NBLOCKS) {
iLastwriteblock = block;
if (FAILED(hr = pDSBOutput->Lock(block * iByteSize, iByteSize, &aptr1, &nbytes1, &aptr2, &nbytes2, 0))) {
qWarning("DXAudioOutput: Lock block %u (%d bytes) failed: hr=0x%08lx",block, iByteSize, hr);
break;
}
if (aptr2 || nbytes2) {
qWarning("DXAudioOutput: Split buffer");
break;
}
if (!aptr1 || ! nbytes1) {
qWarning("DXAudioOutput: Zerolock");
break;
}
if (! mix(reinterpret_cast<short *>(aptr1), iFrameSize))
ZeroMemory(aptr1, iByteSize);
if (FAILED(hr = pDSBOutput->Unlock(aptr1, nbytes1, aptr2, nbytes2))) {
qWarning("DXAudioOutput: Unlock %p(%lu) %p(%lu) failed: hr=0x%08lx",aptr1,nbytes1,aptr2,nbytes2,hr);
break;
}
if (FAILED(hr = pDSBOutput->GetCurrentPosition(&dwPlayPosition, &dwWritePosition))) {
qWarning("DXAudioOutputUser: GetCurrentPosition failed: hr=0x%08lx", hr);
break;
}
playblock = dwWritePosition / iByteSize;
nowriteblock = (playblock + g.s.iOutputDelay + 1) % NBLOCKS;
}
if (! FAILED(hr))
msleep(19);
}
if (FAILED(hr)) {
g.mw->msgBox(tr("Lost DirectSound output device."));
}
cleanup:
if (! bOk) {
g.mw->msgBox(tr("Opening chosen DirectSound Output failed. No audio will be heard."));
return;
}
if (pDSNotify)
pDSNotify->Release();
if (pDSBOutput) {
pDSBOutput->Stop();
pDSBOutput->Release();
}
if (pDSBPrimary)
pDSBPrimary->Release();
if (pDS)
pDS->Release();
}
bool VoiceRecord_DSound::Init(int sampleRate)
{
HRESULT hr;
DSCBUFFERDESC dscDesc;
DirectSoundCaptureCreateFn createFn;
Term();
WAVEFORMATEX recordFormat =
{
WAVE_FORMAT_PCM, // wFormatTag
1, // nChannels
sampleRate, // nSamplesPerSec
sampleRate*2, // nAvgBytesPerSec
2, // nBlockAlign
16, // wBitsPerSample
sizeof(WAVEFORMATEX) // cbSize
};
// Load the DSound DLL.
m_hInstDS = LoadLibrary("dsound.dll");
if(!m_hInstDS)
goto HandleError;
createFn = (DirectSoundCaptureCreateFn)GetProcAddress(m_hInstDS, "DirectSoundCaptureCreate");
if(!createFn)
goto HandleError;
hr = createFn(NULL, &m_pCapture, NULL);
if(FAILED(hr))
goto HandleError;
// Create the capture buffer.
memset(&dscDesc, 0, sizeof(dscDesc));
dscDesc.dwSize = sizeof(dscDesc);
dscDesc.dwFlags = 0;
dscDesc.dwBufferBytes = recordFormat.nAvgBytesPerSec;
dscDesc.lpwfxFormat = &recordFormat;
hr = m_pCapture->CreateCaptureBuffer(&dscDesc, &m_pCaptureBuffer, NULL);
if(FAILED(hr))
goto HandleError;
// Figure out how many bytes we got in our capture buffer.
DSCBCAPS caps;
memset(&caps, 0, sizeof(caps));
caps.dwSize = sizeof(caps);
hr = m_pCaptureBuffer->GetCaps(&caps);
if(FAILED(hr))
goto HandleError;
m_nCaptureBufferBytes = caps.dwBufferBytes;
// Set it up so we get notification when the buffer wraps.
m_hWrapEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if(!m_hWrapEvent)
goto HandleError;
DSBPOSITIONNOTIFY dsbNotify;
dsbNotify.dwOffset = dscDesc.dwBufferBytes - 1;
dsbNotify.hEventNotify = m_hWrapEvent;
// Get the IDirectSoundNotify interface.
LPDIRECTSOUNDNOTIFY pNotify;
hr = m_pCaptureBuffer->QueryInterface(IID_IDirectSoundNotify, (void**)&pNotify);
if(FAILED(hr))
goto HandleError;
hr = pNotify->SetNotificationPositions(1, &dsbNotify);
pNotify->Release();
if(FAILED(hr))
goto HandleError;
// Start capturing.
hr = m_pCaptureBuffer->Start(DSCBSTART_LOOPING);
if(FAILED(hr))
return false;
return true;
HandleError:;
Term();
return false;
}
bool DirectSound::init()
{
HRESULT hr;
dsoundDLL = LoadLibrary("DSOUND.DLL");
HRESULT (WINAPI *DSoundCreate)(LPCGUID,LPDIRECTSOUND *,IUnknown *);
if(dsoundDLL != NULL) {
DSoundCreate = (HRESULT (WINAPI *)(LPCGUID,LPDIRECTSOUND *,IUnknown *))
GetProcAddress(dsoundDLL, "DirectSoundCreate");
if(DSoundCreate == NULL) {
theApp.directXMessage("DirectSoundCreate");
return false;
}
} else {
theApp.directXMessage("DSOUND.DLL");
return false;
}
if((hr = DSoundCreate(NULL,&pDirectSound,NULL) != DS_OK)) {
// errorMessage(myLoadString(IDS_ERROR_SOUND_CREATE), hr);
systemMessage(IDS_CANNOT_CREATE_DIRECTSOUND,
"Cannot create DirectSound %08x", hr);
pDirectSound = NULL;
dsbSecondary = NULL;
return false;
}
if((hr=pDirectSound->SetCooperativeLevel((HWND)*theApp.m_pMainWnd,
DSSCL_EXCLUSIVE)) != DS_OK) {
// errorMessage(myLoadString(IDS_ERROR_SOUND_LEVEL), hr);
systemMessage(IDS_CANNOT_SETCOOPERATIVELEVEL,
"Cannot SetCooperativeLevel %08x", hr);
return false;
}
DSBUFFERDESC dsbdesc;
ZeroMemory(&dsbdesc,sizeof(DSBUFFERDESC));
dsbdesc.dwSize=sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_PRIMARYBUFFER;
if((hr=pDirectSound->CreateSoundBuffer(&dsbdesc,
&dsbPrimary,
NULL) != DS_OK)) {
// errorMessage(myLoadString(IDS_ERROR_SOUND_BUFFER),hr);
systemMessage(IDS_CANNOT_CREATESOUNDBUFFER,
"Cannot CreateSoundBuffer %08x", hr);
return false;
}
// Set primary buffer format
memset(&wfx, 0, sizeof(WAVEFORMATEX));
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.nChannels = 2;
switch(soundQuality) {
case 2:
wfx.nSamplesPerSec = 22050;
soundBufferLen = 736*2;
soundBufferTotalLen = 7360*2;
break;
case 4:
wfx.nSamplesPerSec = 11025;
soundBufferLen = 368*2;
soundBufferTotalLen = 3680*2;
break;
default:
soundQuality = 1;
wfx.nSamplesPerSec = 44100;
soundBufferLen = 1470*2;
soundBufferTotalLen = 14700*2;
}
wfx.wBitsPerSample = 16;
wfx.nBlockAlign = (wfx.wBitsPerSample / 8) * wfx.nChannels;
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
if((hr = dsbPrimary->SetFormat(&wfx)) != DS_OK) {
// errorMessage(myLoadString(IDS_ERROR_SOUND_PRIMARY),hr);
systemMessage(IDS_CANNOT_SETFORMAT_PRIMARY,
"Cannot SetFormat for primary %08x", hr);
return false;
}
ZeroMemory(&dsbdesc,sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2|DSBCAPS_CTRLPOSITIONNOTIFY;
dsbdesc.dwBufferBytes = soundBufferTotalLen;
dsbdesc.lpwfxFormat = &wfx;
if((hr = pDirectSound->CreateSoundBuffer(&dsbdesc, &dsbSecondary, NULL))
!= DS_OK) {
dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2;
if((hr = pDirectSound->CreateSoundBuffer(&dsbdesc, &dsbSecondary, NULL))
!= DS_OK) {
systemMessage(IDS_CANNOT_CREATESOUNDBUFFER_SEC,
"Cannot CreateSoundBuffer secondary %08x", hr);
return false;
}
}
dsbSecondary->SetCurrentPosition(0);
if(!theApp.useOldSync) {
hr = dsbSecondary->QueryInterface(IID_IDirectSoundNotify,
(void **)&dsbNotify);
if(!FAILED(hr)) {
dsbEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
DSBPOSITIONNOTIFY notify[10];
for(int i = 0; i < 10; i++) {
notify[i].dwOffset = i*soundBufferLen;
notify[i].hEventNotify = dsbEvent;
}
if(FAILED(dsbNotify->SetNotificationPositions(10, notify))) {
dsbNotify->Release();
dsbNotify = NULL;
CloseHandle(dsbEvent);
dsbEvent = NULL;
}
}
}
hr = dsbPrimary->Play(0,0,DSBPLAY_LOOPING);
if(hr != DS_OK) {
// errorMessage(myLoadString(IDS_ERROR_SOUND_PLAYPRIM), hr);
systemMessage(IDS_CANNOT_PLAY_PRIMARY, "Cannot Play primary %08x", hr);
return false;
}
systemSoundOn = true;
return true;
}
static void
refill_stream(cubeb_stream * stm, int prefill)
{
VOID * p1, * p2;
DWORD p1sz, p2sz;
HRESULT rv;
long dt;
/* calculate how much has played since last refill */
DWORD play, write;
rv = stm->buffer->GetCurrentPosition(&play, &write);
assert(rv == DS_OK);
long gap = write - play;
if (gap < 0) {
gap += stm->buffer_size;
}
#if 1
dt = GetTickCount() - stm->last_refill;
if (!prefill) {
double buflen = (double) (stm->buffer_size - gap) / bytes_per_frame(stm->params) / stm->params.rate * 1000;
if (dt > buflen) {
fprintf(stderr, "*** buffer wrap (%ld, %f, %f)***\n", dt, buflen, dt - buflen);
stm->slipped += (dt - buflen) / 1000.0 * bytes_per_frame(stm->params) * stm->params.rate;
}
}
#endif
unsigned long writepos = stm->written % stm->buffer_size;
long playsz = 0;
if (write < writepos) {
playsz = write + stm->buffer_size - writepos;
} else {
playsz = write - writepos;
}
/* can't write between play and write cursors */
playsz -= gap;
if (playsz < 0) {
#if 0
fprintf(stderr, "** negcapped, dt=%u real nwl=%ld p=%u w=%u g=%ld wo=%u **\n",
dt, playsz, play, write, gap, writepos);
#endif
return;
}
if (prefill) {
playsz = stm->buffer_size;
}
playsz -= bytes_per_frame(stm->params);
/* no space to refill */
if (playsz <= 0)
return;
/*assert(writepos >= write && ((writepos + playsz) % stm->buffer_size) < play);*/
/*
assumptions: buffer with w==p is full or empty
we know total writes is stm->written
so w==p and stm->written%stm->buffer_size==0 full or empty
need abs play pos to determine
rel play pos is (write + stm->buffer_size) - play
(0 + 10) - 0 -> 10 -> also assumes buffer is full
absplayed must be between stm->written-stm->buffer_size and stm->written.
XXX want prefill logic to work anytime as we will eventually call it from start()
*/
rv = stm->buffer->Lock(writepos, playsz, &p1, &p1sz, &p2, &p2sz, 0);
if (rv == DSERR_BUFFERLOST) {
stm->buffer->Restore();
rv = stm->buffer->Lock(writepos, playsz, &p1, &p1sz, &p2, &p2sz, 0);
}
assert(rv == DS_OK);
assert(p1sz % bytes_per_frame(stm->params) == 0);
assert(p2sz % bytes_per_frame(stm->params) == 0);
int r = stm->data_callback(stm, stm->user_ptr, p1,
p1sz / bytes_per_frame(stm->params));
if (p2 && r == CUBEB_OK) {
r = stm->data_callback(stm, stm->user_ptr, p2,
p2sz / bytes_per_frame(stm->params));
} else {
p2sz = 0;
}
#if 0
// XXX fix EOS/drain handling
if (r == CUBEB_EOS) {
LPDIRECTSOUNDNOTIFY notify;
rv = stm->buffer->QueryInterface(IID_IDirectSoundNotify, (LPVOID *) ¬ify);
assert(rv == DS_OK);
DSBPOSITIONNOTIFY note;
note.dwOffset = (writepos + p1sz + p2sz) % stm->buffer_size;
note.hEventNotify = stm->context->streams_event;
if (notify->SetNotificationPositions(1, ¬e) != DS_OK) {
/* XXX free resources */
assert(false);
}
notify->Release();
stm->draining = 1;
}
#endif
stm->last_refill = GetTickCount();
stm->written += p1sz + p2sz;
rv = stm->buffer->Unlock(p1, p1sz, p2, p2sz);
assert(rv == DS_OK);
}
static int
directsound_stream_init(cubeb * context, cubeb_stream ** stream, char const * stream_name,
cubeb_stream_params stream_params, unsigned int latency,
cubeb_data_callback data_callback,
cubeb_state_callback state_callback,
void * user_ptr)
{
struct cubeb_list_node * node;
assert(context);
*stream = NULL;
/*
create primary buffer
*/
DSBUFFERDESC bd;
bd.dwSize = sizeof(DSBUFFERDESC);
bd.dwFlags = DSBCAPS_PRIMARYBUFFER;
bd.dwBufferBytes = 0;
bd.dwReserved = 0;
bd.lpwfxFormat = NULL;
bd.guid3DAlgorithm = DS3DALG_DEFAULT;
LPDIRECTSOUNDBUFFER primary;
if (FAILED(context->dsound->CreateSoundBuffer(&bd, &primary, NULL))) {
return 1;
}
WAVEFORMATEXTENSIBLE wfx;
wfx.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfx.Format.nChannels = stream_params.channels;
wfx.Format.nSamplesPerSec = stream_params.rate;
wfx.Format.cbSize = sizeof(wfx) - sizeof(wfx.Format);
/* XXX fix channel mappings */
wfx.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
switch (stream_params.format) {
case CUBEB_SAMPLE_S16LE:
wfx.Format.wBitsPerSample = 16;
wfx.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
break;
case CUBEB_SAMPLE_FLOAT32LE:
wfx.Format.wBitsPerSample = 32;
wfx.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
break;
default:
return CUBEB_ERROR_INVALID_FORMAT;
}
wfx.Format.nBlockAlign = (wfx.Format.wBitsPerSample * wfx.Format.nChannels) / 8;
wfx.Format.nAvgBytesPerSec = wfx.Format.nSamplesPerSec * wfx.Format.nBlockAlign;
wfx.Samples.wValidBitsPerSample = wfx.Format.wBitsPerSample;
if (FAILED(primary->SetFormat((LPWAVEFORMATEX) &wfx))) {
/* XXX free primary */
return CUBEB_ERROR;
}
primary->Release();
cubeb_stream * stm = (cubeb_stream *) calloc(1, sizeof(*stm));
assert(stm);
stm->context = context;
stm->params = stream_params;
stm->data_callback = data_callback;
stm->state_callback = state_callback;
stm->user_ptr = user_ptr;
InitializeCriticalSection(&stm->lock);
/*
create secondary buffer
*/
bd.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLVOLUME | DSBCAPS_CTRLPOSITIONNOTIFY;
bd.dwBufferBytes = (DWORD) (wfx.Format.nSamplesPerSec / 1000.0 * latency * bytes_per_frame(stream_params));
if (bd.dwBufferBytes % bytes_per_frame(stream_params) != 0) {
bd.dwBufferBytes += bytes_per_frame(stream_params) - (bd.dwBufferBytes % bytes_per_frame(stream_params));
}
bd.lpwfxFormat = (LPWAVEFORMATEX) &wfx;
if (FAILED(context->dsound->CreateSoundBuffer(&bd, &stm->buffer, NULL))) {
return CUBEB_ERROR;
}
stm->buffer_size = bd.dwBufferBytes;
LPDIRECTSOUNDNOTIFY notify;
if (stm->buffer->QueryInterface(IID_IDirectSoundNotify, (LPVOID *) ¬ify) != DS_OK) {
/* XXX free resources */
return CUBEB_ERROR;
}
DSBPOSITIONNOTIFY note[3];
for (int i = 0; i < 3; ++i) {
note[i].dwOffset = (stm->buffer_size / 4) * i;
note[i].hEventNotify = context->streams_event;
}
if (notify->SetNotificationPositions(3, note) != DS_OK) {
/* XXX free resources */
return CUBEB_ERROR;
}
notify->Release();
refill_stream(stm, 1);
/* XXX remove this, just a test that double refill does not overwrite existing data */
refill_stream(stm, 0);
uint64_t pos;
cubeb_stream_get_position(stm, &pos);
stm->node = (struct cubeb_list_node *) calloc(1, sizeof(*node));
stm->node->stream = stm;
EnterCriticalSection(&context->lock);
if (!context->streams) {
context->streams = stm->node;
} else {
node = context->streams;
while (node->next) {
node = node->next;
}
node->next = stm->node;
stm->node->prev = node;
}
LeaveCriticalSection(&context->lock);
SetEvent(context->streams_event);
*stream = stm;
return CUBEB_OK;
}