void alcWinMMProbe(enum DevProbe type)
{
ALuint i;
switch(type)
{
case ALL_DEVICE_PROBE:
ProbePlaybackDevices();
for(i = 0;i < NumPlaybackDevices;i++)
{
if(PlaybackDeviceList[i])
AppendAllDeviceList(PlaybackDeviceList[i]);
}
break;
case CAPTURE_DEVICE_PROBE:
ProbeCaptureDevices();
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i])
AppendCaptureDeviceList(CaptureDeviceList[i]);
}
break;
}
}
void alcWinMMProbe(int type)
{
ALuint i;
if(type == DEVICE_PROBE)
{
ProbePlaybackDevices();
if(NumPlaybackDevices > 0)
AppendDeviceList(woDefault);
}
else if(type == ALL_DEVICE_PROBE)
{
ProbePlaybackDevices();
if(NumPlaybackDevices > 0)
AppendAllDeviceList(woDefault);
for(i = 0;i < NumPlaybackDevices;i++)
{
if(PlaybackDeviceList[i])
AppendAllDeviceList(PlaybackDeviceList[i]);
}
}
else if(type == CAPTURE_DEVICE_PROBE)
{
ProbeCaptureDevices();
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i])
AppendCaptureDeviceList(CaptureDeviceList[i]);
}
}
}
void alcWinMMProbe(enum DevProbe type)
{
switch(type)
{
case ALL_DEVICE_PROBE:
ProbePlaybackDevices();
VECTOR_FOR_EACH(const al_string, PlaybackDevices, AppendAllDevicesList2);
break;
case CAPTURE_DEVICE_PROBE:
ProbeCaptureDevices();
VECTOR_FOR_EACH(const al_string, CaptureDevices, AppendCaptureDeviceList2);
break;
}
}
static void ALCwinmmBackendFactory_probe(ALCwinmmBackendFactory* UNUSED(self), enum DevProbe type, al_string *outnames)
{
switch(type)
{
#define APPEND_OUTNAME(n) do { \
if(!alstr_empty(*(n))) \
alstr_append_range(outnames, VECTOR_BEGIN(*(n)), VECTOR_END(*(n))+1); \
} while(0)
case ALL_DEVICE_PROBE:
ProbePlaybackDevices();
VECTOR_FOR_EACH(const al_string, PlaybackDevices, APPEND_OUTNAME);
break;
case CAPTURE_DEVICE_PROBE:
ProbeCaptureDevices();
VECTOR_FOR_EACH(const al_string, CaptureDevices, APPEND_OUTNAME);
break;
#undef APPEND_OUTNAME
}
}
static ALCenum WinMMOpenCapture(ALCdevice *Device, const ALCchar *deviceName)
{
const al_string *iter, *end;
ALbyte *BufferData = NULL;
DWORD CapturedDataSize;
WinMMData *data = NULL;
ALint BufferSize;
UINT DeviceID;
MMRESULT res;
ALuint i;
if(VECTOR_SIZE(CaptureDevices) == 0)
ProbeCaptureDevices();
// Find the Device ID matching the deviceName if valid
iter = VECTOR_ITER_BEGIN(CaptureDevices);
end = VECTOR_ITER_END(CaptureDevices);
for(; iter != end; iter++)
{
if(!al_string_empty(*iter) &&
(!deviceName || al_string_cmp_cstr(*iter, deviceName) == 0))
{
DeviceID = (UINT)(iter - VECTOR_ITER_BEGIN(CaptureDevices));
break;
}
}
if(iter == end)
return ALC_INVALID_VALUE;
switch(Device->FmtChans)
{
case DevFmtMono:
case DevFmtStereo:
break;
case DevFmtQuad:
case DevFmtX51:
case DevFmtX51Side:
case DevFmtX61:
case DevFmtX71:
return ALC_INVALID_ENUM;
}
switch(Device->FmtType)
{
case DevFmtUByte:
case DevFmtShort:
case DevFmtInt:
case DevFmtFloat:
break;
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
return ALC_INVALID_ENUM;
}
data = calloc(1, sizeof(*data));
if(!data)
return ALC_OUT_OF_MEMORY;
Device->ExtraData = data;
memset(&data->Format, 0, sizeof(WAVEFORMATEX));
data->Format.wFormatTag = ((Device->FmtType == DevFmtFloat) ?
WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM);
data->Format.nChannels = ChannelsFromDevFmt(Device->FmtChans);
data->Format.wBitsPerSample = BytesFromDevFmt(Device->FmtType) * 8;
data->Format.nBlockAlign = data->Format.wBitsPerSample *
data->Format.nChannels / 8;
data->Format.nSamplesPerSec = Device->Frequency;
data->Format.nAvgBytesPerSec = data->Format.nSamplesPerSec *
data->Format.nBlockAlign;
data->Format.cbSize = 0;
if((res=waveInOpen(&data->WaveHandle.In, DeviceID, &data->Format, (DWORD_PTR)&WaveInProc, (DWORD_PTR)Device, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
ERR("waveInOpen failed: %u\n", res);
goto failure;
}
// Allocate circular memory buffer for the captured audio
CapturedDataSize = Device->UpdateSize*Device->NumUpdates;
// Make sure circular buffer is at least 100ms in size
if(CapturedDataSize < (data->Format.nSamplesPerSec / 10))
CapturedDataSize = data->Format.nSamplesPerSec / 10;
data->Ring = CreateRingBuffer(data->Format.nBlockAlign, CapturedDataSize);
if(!data->Ring)
goto failure;
InitRef(&data->WaveBuffersCommitted, 0);
// Create 4 Buffers of 50ms each
BufferSize = data->Format.nAvgBytesPerSec / 20;
BufferSize -= (BufferSize % data->Format.nBlockAlign);
BufferData = calloc(4, BufferSize);
if(!BufferData)
goto failure;
for(i = 0; i < 4; i++)
{
memset(&data->WaveBuffer[i], 0, sizeof(WAVEHDR));
data->WaveBuffer[i].dwBufferLength = BufferSize;
data->WaveBuffer[i].lpData = ((i==0) ? (CHAR*)BufferData :
(data->WaveBuffer[i-1].lpData +
data->WaveBuffer[i-1].dwBufferLength));
data->WaveBuffer[i].dwFlags = 0;
data->WaveBuffer[i].dwLoops = 0;
waveInPrepareHeader(data->WaveHandle.In, &data->WaveBuffer[i], sizeof(WAVEHDR));
waveInAddBuffer(data->WaveHandle.In, &data->WaveBuffer[i], sizeof(WAVEHDR));
IncrementRef(&data->WaveBuffersCommitted);
}
if(althrd_create(&data->thread, CaptureThreadProc, Device) != althrd_success)
goto failure;
al_string_copy(&Device->DeviceName, VECTOR_ELEM(CaptureDevices, DeviceID));
return ALC_NO_ERROR;
failure:
if(BufferData)
{
for(i = 0; i < 4; i++)
waveInUnprepareHeader(data->WaveHandle.In, &data->WaveBuffer[i], sizeof(WAVEHDR));
free(BufferData);
}
if(data->Ring)
DestroyRingBuffer(data->Ring);
if(data->WaveHandle.In)
waveInClose(data->WaveHandle.In);
free(data);
Device->ExtraData = NULL;
return ALC_INVALID_VALUE;
}
static ALCenum WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName)
{
ALbyte *BufferData = NULL;
DWORD ulCapturedDataSize;
WinMMData *pData = NULL;
UINT lDeviceID = 0;
ALint lBufferSize;
MMRESULT res;
ALuint i;
if(!CaptureDeviceList)
ProbeCaptureDevices();
// Find the Device ID matching the deviceName if valid
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i] &&
(!deviceName || strcmp(deviceName, CaptureDeviceList[i]) == 0))
{
lDeviceID = i;
break;
}
}
if(i == NumCaptureDevices)
return ALC_INVALID_VALUE;
switch(pDevice->FmtChans)
{
case DevFmtMono:
case DevFmtStereo:
break;
case DevFmtQuad:
case DevFmtX51:
case DevFmtX51Side:
case DevFmtX61:
case DevFmtX71:
return ALC_INVALID_ENUM;
}
switch(pDevice->FmtType)
{
case DevFmtUByte:
case DevFmtShort:
case DevFmtInt:
case DevFmtFloat:
break;
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
return ALC_INVALID_ENUM;
}
pData = calloc(1, sizeof(*pData));
if(!pData)
return ALC_OUT_OF_MEMORY;
pDevice->ExtraData = pData;
memset(&pData->wfexFormat, 0, sizeof(WAVEFORMATEX));
pData->wfexFormat.wFormatTag = ((pDevice->FmtType == DevFmtFloat) ?
WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM);
pData->wfexFormat.nChannels = ChannelsFromDevFmt(pDevice->FmtChans);
pData->wfexFormat.wBitsPerSample = BytesFromDevFmt(pDevice->FmtType) * 8;
pData->wfexFormat.nBlockAlign = pData->wfexFormat.wBitsPerSample *
pData->wfexFormat.nChannels / 8;
pData->wfexFormat.nSamplesPerSec = pDevice->Frequency;
pData->wfexFormat.nAvgBytesPerSec = pData->wfexFormat.nSamplesPerSec *
pData->wfexFormat.nBlockAlign;
pData->wfexFormat.cbSize = 0;
if((res=waveInOpen(&pData->hWaveHandle.In, lDeviceID, &pData->wfexFormat, (DWORD_PTR)&WaveInProc, (DWORD_PTR)pDevice, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
ERR("waveInOpen failed: %u\n", res);
goto failure;
}
pData->hWaveThreadEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if(pData->hWaveThreadEvent == NULL)
{
ERR("CreateEvent failed: %lu\n", GetLastError());
goto failure;
}
// Allocate circular memory buffer for the captured audio
ulCapturedDataSize = pDevice->UpdateSize*pDevice->NumUpdates;
// Make sure circular buffer is at least 100ms in size
if(ulCapturedDataSize < (pData->wfexFormat.nSamplesPerSec / 10))
ulCapturedDataSize = pData->wfexFormat.nSamplesPerSec / 10;
pData->pRing = CreateRingBuffer(pData->wfexFormat.nBlockAlign, ulCapturedDataSize);
if(!pData->pRing)
goto failure;
pData->lWaveBuffersCommitted = 0;
// Create 4 Buffers of 50ms each
lBufferSize = pData->wfexFormat.nAvgBytesPerSec / 20;
lBufferSize -= (lBufferSize % pData->wfexFormat.nBlockAlign);
BufferData = calloc(4, lBufferSize);
if(!BufferData)
goto failure;
for(i = 0;i < 4;i++)
{
memset(&pData->WaveBuffer[i], 0, sizeof(WAVEHDR));
pData->WaveBuffer[i].dwBufferLength = lBufferSize;
pData->WaveBuffer[i].lpData = ((i==0) ? (LPSTR)BufferData :
(pData->WaveBuffer[i-1].lpData +
pData->WaveBuffer[i-1].dwBufferLength));
pData->WaveBuffer[i].dwFlags = 0;
pData->WaveBuffer[i].dwLoops = 0;
waveInPrepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
waveInAddBuffer(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
InterlockedIncrement(&pData->lWaveBuffersCommitted);
}
pData->hWaveThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CaptureThreadProc, (LPVOID)pDevice, 0, &pData->ulWaveThreadID);
if (pData->hWaveThread == NULL)
goto failure;
pDevice->szDeviceName = strdup(CaptureDeviceList[lDeviceID]);
return ALC_NO_ERROR;
failure:
if(pData->hWaveThread)
CloseHandle(pData->hWaveThread);
if(BufferData)
{
for(i = 0;i < 4;i++)
waveInUnprepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
free(BufferData);
}
if(pData->pRing)
DestroyRingBuffer(pData->pRing);
if(pData->hWaveThreadEvent)
CloseHandle(pData->hWaveThreadEvent);
if(pData->hWaveHandle.In)
waveInClose(pData->hWaveHandle.In);
free(pData);
pDevice->ExtraData = NULL;
return ALC_INVALID_VALUE;
}
static ALCboolean WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName)
{
WAVEFORMATEX wfexCaptureFormat;
DWORD ulCapturedDataSize;
WinMMData *pData = NULL;
UINT lDeviceID = 0;
ALbyte *BufferData;
ALint lBufferSize;
MMRESULT res;
ALuint i;
if(!CaptureDeviceList)
ProbeCaptureDevices();
// Find the Device ID matching the deviceName if valid
if(deviceName)
{
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i] &&
strcmp(deviceName, CaptureDeviceList[i]) == 0)
{
lDeviceID = i;
break;
}
}
}
else
{
for(i = 0;i < NumCaptureDevices;i++)
{
if(CaptureDeviceList[i])
{
lDeviceID = i;
break;
}
}
}
if(i == NumCaptureDevices)
return ALC_FALSE;
pData = calloc(1, sizeof(*pData));
if(!pData)
{
alcSetError(pDevice, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
pDevice->ExtraData = pData;
if((pDevice->FmtChans != DevFmtMono && pDevice->FmtChans != DevFmtStereo) ||
(pDevice->FmtType != DevFmtUByte && pDevice->FmtType != DevFmtShort))
{
alcSetError(pDevice, ALC_INVALID_ENUM);
goto failure;
}
memset(&wfexCaptureFormat, 0, sizeof(WAVEFORMATEX));
wfexCaptureFormat.wFormatTag = WAVE_FORMAT_PCM;
wfexCaptureFormat.nChannels = ChannelsFromDevFmt(pDevice->FmtChans);
wfexCaptureFormat.wBitsPerSample = BytesFromDevFmt(pDevice->FmtType) * 8;
wfexCaptureFormat.nBlockAlign = wfexCaptureFormat.wBitsPerSample *
wfexCaptureFormat.nChannels / 8;
wfexCaptureFormat.nSamplesPerSec = pDevice->Frequency;
wfexCaptureFormat.nAvgBytesPerSec = wfexCaptureFormat.nSamplesPerSec *
wfexCaptureFormat.nBlockAlign;
wfexCaptureFormat.cbSize = 0;
if((res=waveInOpen(&pData->hWaveHandle.In, lDeviceID, &wfexCaptureFormat, (DWORD_PTR)&WaveInProc, (DWORD_PTR)pDevice, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
AL_PRINT("waveInOpen failed: %u\n", res);
goto failure;
}
pData->hWaveHdrEvent = CreateEvent(NULL, AL_TRUE, AL_FALSE, "WaveInAllHeadersReturned");
pData->hWaveThreadEvent = CreateEvent(NULL, AL_TRUE, AL_FALSE, "WaveInThreadDestroyed");
if(pData->hWaveHdrEvent == NULL || pData->hWaveThreadEvent == NULL)
{
AL_PRINT("CreateEvent failed: %lu\n", GetLastError());
goto failure;
}
pData->Frequency = pDevice->Frequency;
// Allocate circular memory buffer for the captured audio
ulCapturedDataSize = pDevice->UpdateSize*pDevice->NumUpdates;
// Make sure circular buffer is at least 100ms in size
if(ulCapturedDataSize < (wfexCaptureFormat.nSamplesPerSec / 10))
ulCapturedDataSize = wfexCaptureFormat.nSamplesPerSec / 10;
pData->pRing = CreateRingBuffer(wfexCaptureFormat.nBlockAlign, ulCapturedDataSize);
if(!pData->pRing)
goto failure;
pData->lWaveBuffersCommitted = 0;
// Create 4 Buffers of 50ms each
lBufferSize = wfexCaptureFormat.nAvgBytesPerSec / 20;
lBufferSize -= (lBufferSize % wfexCaptureFormat.nBlockAlign);
BufferData = calloc(4, lBufferSize);
if(!BufferData)
goto failure;
for(i = 0;i < 4;i++)
{
memset(&pData->WaveBuffer[i], 0, sizeof(WAVEHDR));
pData->WaveBuffer[i].dwBufferLength = lBufferSize;
pData->WaveBuffer[i].lpData = ((i==0) ? (LPSTR)BufferData :
(pData->WaveBuffer[i-1].lpData +
pData->WaveBuffer[i-1].dwBufferLength));
pData->WaveBuffer[i].dwFlags = 0;
pData->WaveBuffer[i].dwLoops = 0;
waveInPrepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
waveInAddBuffer(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
InterlockedIncrement(&pData->lWaveBuffersCommitted);
}
pData->hWaveThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CaptureThreadProc, (LPVOID)pDevice, 0, &pData->ulWaveThreadID);
if (pData->hWaveThread == NULL)
goto failure;
pDevice->szDeviceName = strdup(CaptureDeviceList[lDeviceID]);
return ALC_TRUE;
failure:
if(pData->hWaveThread)
CloseHandle(pData->hWaveThread);
for(i = 0;i < 4;i++)
{
if(pData->WaveBuffer[i].lpData)
{
waveInUnprepareHeader(pData->hWaveHandle.In, &pData->WaveBuffer[i], sizeof(WAVEHDR));
if(i == 0)
free(pData->WaveBuffer[i].lpData);
}
}
if(pData->pRing)
DestroyRingBuffer(pData->pRing);
if(pData->hWaveThreadEvent)
CloseHandle(pData->hWaveThreadEvent);
if(pData->hWaveHdrEvent)
CloseHandle(pData->hWaveHdrEvent);
if(pData->hWaveHandle.In)
waveInClose(pData->hWaveHandle.In);
free(pData);
pDevice->ExtraData = NULL;
return ALC_FALSE;
}
static ALCenum ALCwinmmCapture_open(ALCwinmmCapture *self, const ALCchar *name)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
const al_string *iter;
ALbyte *BufferData = NULL;
DWORD CapturedDataSize;
ALint BufferSize;
UINT DeviceID;
MMRESULT res;
ALuint i;
if(VECTOR_SIZE(CaptureDevices) == 0)
ProbeCaptureDevices();
// Find the Device ID matching the deviceName if valid
#define MATCH_DEVNAME(iter) (!alstr_empty(*(iter)) && (!name || alstr_cmp_cstr(*iter, name) == 0))
VECTOR_FIND_IF(iter, const al_string, CaptureDevices, MATCH_DEVNAME);
if(iter == VECTOR_END(CaptureDevices))
return ALC_INVALID_VALUE;
#undef MATCH_DEVNAME
DeviceID = (UINT)(iter - VECTOR_BEGIN(CaptureDevices));
switch(device->FmtChans)
{
case DevFmtMono:
case DevFmtStereo:
break;
case DevFmtQuad:
case DevFmtX51:
case DevFmtX51Rear:
case DevFmtX61:
case DevFmtX71:
case DevFmtAmbi3D:
return ALC_INVALID_ENUM;
}
switch(device->FmtType)
{
case DevFmtUByte:
case DevFmtShort:
case DevFmtInt:
case DevFmtFloat:
break;
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
return ALC_INVALID_ENUM;
}
memset(&self->Format, 0, sizeof(WAVEFORMATEX));
self->Format.wFormatTag = ((device->FmtType == DevFmtFloat) ?
WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM);
self->Format.nChannels = ChannelsFromDevFmt(device->FmtChans, device->AmbiOrder);
self->Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8;
self->Format.nBlockAlign = self->Format.wBitsPerSample *
self->Format.nChannels / 8;
self->Format.nSamplesPerSec = device->Frequency;
self->Format.nAvgBytesPerSec = self->Format.nSamplesPerSec *
self->Format.nBlockAlign;
self->Format.cbSize = 0;
if((res=waveInOpen(&self->InHdl, DeviceID, &self->Format, (DWORD_PTR)&ALCwinmmCapture_waveInProc, (DWORD_PTR)self, CALLBACK_FUNCTION)) != MMSYSERR_NOERROR)
{
ERR("waveInOpen failed: %u\n", res);
goto failure;
}
// Allocate circular memory buffer for the captured audio
CapturedDataSize = device->UpdateSize*device->NumUpdates;
// Make sure circular buffer is at least 100ms in size
if(CapturedDataSize < (self->Format.nSamplesPerSec / 10))
CapturedDataSize = self->Format.nSamplesPerSec / 10;
self->Ring = ll_ringbuffer_create(CapturedDataSize, self->Format.nBlockAlign, false);
if(!self->Ring) goto failure;
InitRef(&self->WaveBuffersCommitted, 0);
// Create 4 Buffers of 50ms each
BufferSize = self->Format.nAvgBytesPerSec / 20;
BufferSize -= (BufferSize % self->Format.nBlockAlign);
BufferData = calloc(4, BufferSize);
if(!BufferData) goto failure;
for(i = 0;i < 4;i++)
{
memset(&self->WaveBuffer[i], 0, sizeof(WAVEHDR));
self->WaveBuffer[i].dwBufferLength = BufferSize;
self->WaveBuffer[i].lpData = ((i==0) ? (CHAR*)BufferData :
(self->WaveBuffer[i-1].lpData +
self->WaveBuffer[i-1].dwBufferLength));
self->WaveBuffer[i].dwFlags = 0;
self->WaveBuffer[i].dwLoops = 0;
waveInPrepareHeader(self->InHdl, &self->WaveBuffer[i], sizeof(WAVEHDR));
waveInAddBuffer(self->InHdl, &self->WaveBuffer[i], sizeof(WAVEHDR));
IncrementRef(&self->WaveBuffersCommitted);
}
ATOMIC_STORE(&self->killNow, AL_FALSE, almemory_order_release);
if(althrd_create(&self->thread, ALCwinmmCapture_captureProc, self) != althrd_success)
goto failure;
alstr_copy(&device->DeviceName, VECTOR_ELEM(CaptureDevices, DeviceID));
return ALC_NO_ERROR;
failure:
if(BufferData)
{
for(i = 0;i < 4;i++)
waveInUnprepareHeader(self->InHdl, &self->WaveBuffer[i], sizeof(WAVEHDR));
free(BufferData);
}
ll_ringbuffer_free(self->Ring);
self->Ring = NULL;
if(self->InHdl)
waveInClose(self->InHdl);
self->InHdl = NULL;
return ALC_INVALID_VALUE;
}