bool FVoiceCaptureWindows::Init(int32 SampleRate, int32 NumChannels)
{
if (SampleRate < 8000 || SampleRate > 48000)
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Voice capture doesn't support %d hz"), SampleRate);
return false;
}
if (NumChannels < 0 || NumChannels > 2)
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Voice capture only supports 1 or 2 channels"));
return false;
}
FVoiceCaptureDeviceWindows* VoiceDev = FVoiceCaptureDeviceWindows::Get();
if (!VoiceDev)
{
UE_LOG(LogVoiceCapture, Warning, TEXT("No voice capture interface."));
return false;
}
// DSDEVID_DefaultCapture WAVEINCAPS
HRESULT hr = DirectSoundCaptureCreate8(&DSDEVID_DefaultVoiceCapture, &CV->VoiceCaptureDev, NULL);
if (FAILED(hr))
{
//DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION, DSERR_OUTOFMEMORY
UE_LOG(LogVoiceCapture, Warning, TEXT("Failed to create capture device 0x%08x"), hr);
return false;
}
// Device capabilities
CV->VoiceCaptureDevCaps.dwSize = sizeof(DSCCAPS);
hr = CV->VoiceCaptureDev->GetCaps(&CV->VoiceCaptureDevCaps);
if (FAILED(hr))
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Failed to get mic device caps 0x%08x"), hr);
return false;
}
// Wave format setup
CV->WavFormat.wFormatTag = WAVE_FORMAT_PCM;
CV->WavFormat.nChannels = NumChannels;
CV->WavFormat.wBitsPerSample = 16;
CV->WavFormat.nSamplesPerSec = SampleRate;
CV->WavFormat.nBlockAlign = (CV->WavFormat.nChannels * CV->WavFormat.wBitsPerSample) / 8;
CV->WavFormat.nAvgBytesPerSec = CV->WavFormat.nBlockAlign * CV->WavFormat.nSamplesPerSec;
CV->WavFormat.cbSize = 0;
// Buffer setup
CV->VoiceCaptureBufferDesc.dwSize = sizeof(DSCBUFFERDESC);
CV->VoiceCaptureBufferDesc.dwFlags = 0;
CV->VoiceCaptureBufferDesc.dwBufferBytes = CV->WavFormat.nAvgBytesPerSec / 2; // .5 sec buffer
CV->VoiceCaptureBufferDesc.dwReserved = 0;
CV->VoiceCaptureBufferDesc.lpwfxFormat = &CV->WavFormat;
CV->VoiceCaptureBufferDesc.dwFXCount = 0;
CV->VoiceCaptureBufferDesc.lpDSCFXDesc = NULL;
LPDIRECTSOUNDCAPTUREBUFFER VoiceBuffer = NULL;
hr = CV->VoiceCaptureDev->CreateCaptureBuffer(&CV->VoiceCaptureBufferDesc, &VoiceBuffer, NULL);
if (FAILED(hr))
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Failed to create voice capture buffer 0x%08x"), hr);
return false;
}
hr = VoiceBuffer->QueryInterface(IID_IDirectSoundCaptureBuffer8, (LPVOID*)&CV->VoiceCaptureBuffer8);
VoiceBuffer->Release();
VoiceBuffer = NULL;
if (FAILED(hr))
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Failed to create voice capture buffer 0x%08x"), hr);
return false;
}
CV->VoiceCaptureBufferCaps8.dwSize = sizeof(DSCBCAPS);
hr = CV->VoiceCaptureBuffer8->GetCaps(&CV->VoiceCaptureBufferCaps8);
if (FAILED(hr))
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Failed to get voice buffer caps 0x%08x"), hr);
return false;
}
// TEST ------------------------
if (0)
{
DWORD SizeWritten8 = 0;
CV->VoiceCaptureBuffer8->GetFormat(NULL, sizeof(WAVEFORMATEX), &SizeWritten8);
LPWAVEFORMATEX BufferFormat8 = (WAVEFORMATEX*)FMemory::Malloc(SizeWritten8);
CV->VoiceCaptureBuffer8->GetFormat(BufferFormat8, SizeWritten8, &SizeWritten8);
FMemory::Free(BufferFormat8);
}
// TEST ------------------------
if (!CreateNotifications(CV->VoiceCaptureBufferCaps8.dwBufferBytes))
{
UE_LOG(LogVoiceCapture, Warning, TEXT("Failed to create voice buffer notifications"));
return false;
}
VoiceCaptureState = EVoiceCaptureState::NotCapturing;
return true;
}
bool FVoiceCaptureWindows::Init(int32 SampleRate, int32 NumChannels)
{
if (SampleRate < 8000 || SampleRate > 48000)
{
UE_LOG(LogVoice, Warning, TEXT("Voice capture doesn't support %d hz"), SampleRate);
return false;
}
if (NumChannels < 0 || NumChannels > 2)
{
UE_LOG(LogVoice, Warning, TEXT("Voice capture only supports 1 or 2 channels"));
return false;
}
// @todo move this to voice module (only init/deinit once ever)
if (FAILED(DirectSoundCreate8(NULL, &DirectSound, NULL)))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to init DirectSound"));
return false;
}
if (FAILED(DirectSoundCaptureEnumerate((LPDSENUMCALLBACK)CaptureDeviceCallback, this)))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to enumerate devices"));
return false;
}
// DSDEVID_DefaultCapture WAVEINCAPS
if (FAILED(DirectSoundCaptureCreate8(&DSDEVID_DefaultVoiceCapture, &VoiceCaptureDev, NULL)))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to create capture device"));
return false;
}
// Device capabilities
VoiceCaptureDevCaps.dwSize = sizeof(DSCCAPS);
if (FAILED(VoiceCaptureDev->GetCaps(&VoiceCaptureDevCaps)))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to get mic device caps"));
return false;
}
// Wave format setup
WavFormat.wFormatTag = WAVE_FORMAT_PCM;
WavFormat.nChannels = NumChannels;
WavFormat.wBitsPerSample = 16;
WavFormat.nSamplesPerSec = SampleRate;
WavFormat.nBlockAlign = (WavFormat.nChannels * WavFormat.wBitsPerSample) / 8;
WavFormat.nAvgBytesPerSec = WavFormat.nBlockAlign * WavFormat.nSamplesPerSec;
WavFormat.cbSize = 0;
// Buffer setup
VoiceCaptureBufferDesc.dwSize = sizeof(DSCBUFFERDESC);
VoiceCaptureBufferDesc.dwFlags = 0;
VoiceCaptureBufferDesc.dwBufferBytes = WavFormat.nAvgBytesPerSec / 2; // .5 sec buffer
VoiceCaptureBufferDesc.dwReserved = 0;
VoiceCaptureBufferDesc.lpwfxFormat = &WavFormat;
VoiceCaptureBufferDesc.dwFXCount = 0;
VoiceCaptureBufferDesc.lpDSCFXDesc = NULL;
LPDIRECTSOUNDCAPTUREBUFFER VoiceBuffer = NULL;
if (FAILED(VoiceCaptureDev->CreateCaptureBuffer(&VoiceCaptureBufferDesc, &VoiceBuffer, NULL)))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to create voice capture buffer"));
return false;
}
HRESULT BufferCreateHR = VoiceBuffer->QueryInterface(IID_IDirectSoundCaptureBuffer8, (LPVOID*)&VoiceCaptureBuffer8);
VoiceBuffer->Release();
VoiceBuffer = NULL;
if (FAILED(BufferCreateHR))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to create voice capture buffer"));
return false;
}
VoiceCaptureBufferCaps8.dwSize = sizeof(DSCBCAPS);
if (FAILED(VoiceCaptureBuffer8->GetCaps(&VoiceCaptureBufferCaps8)))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to get voice buffer caps"));
return false;
}
// TEST ------------------------
if (0)
{
DWORD SizeWritten8 = 0;
VoiceCaptureBuffer8->GetFormat(NULL, sizeof(WAVEFORMATEX), &SizeWritten8);
LPWAVEFORMATEX BufferFormat8 = (WAVEFORMATEX*)FMemory::Malloc(SizeWritten8);
VoiceCaptureBuffer8->GetFormat(BufferFormat8, SizeWritten8, &SizeWritten8);
FMemory::Free(BufferFormat8);
}
// TEST ------------------------
if (!CreateNotifications(VoiceCaptureBufferCaps8.dwBufferBytes))
{
UE_LOG(LogVoice, Warning, TEXT("Failed to create voice buffer notifications"));
return false;
}
VoiceCaptureState = EVoiceCaptureState::NotCapturing;
return true;
}
