BlankAudioPlayback(CTSTR lpDevice)
{
const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
const IID IID_IAudioClient = __uuidof(IAudioClient);
const IID IID_IAudioRenderClient = __uuidof(IAudioRenderClient);
HRESULT err;
err = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&mmEnumerator);
if(FAILED(err))
CrashError(TEXT("Could not create IMMDeviceEnumerator: 0x%08lx"), err);
if (scmpi(lpDevice, TEXT("Default")) == 0)
err = mmEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &mmDevice);
else
err = mmEnumerator->GetDevice(lpDevice, &mmDevice);
if(FAILED(err))
CrashError(TEXT("Could not create IMMDevice"));
err = mmDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&mmClient);
if(FAILED(err))
CrashError(TEXT("Could not create IAudioClient"));
WAVEFORMATEX *pwfx;
err = mmClient->GetMixFormat(&pwfx);
if(FAILED(err))
CrashError(TEXT("Could not get mix format from audio client"));
UINT inputBlockSize = pwfx->nBlockAlign;
err = mmClient->Initialize(AUDCLNT_SHAREMODE_SHARED, 0, ConvertMSTo100NanoSec(1000), 0, pwfx, NULL);
if(FAILED(err))
CrashError(TEXT("Could not initialize audio client, error = %08lX"), err);
err = mmClient->GetService(IID_IAudioRenderClient, (void**)&mmRender);
if(FAILED(err))
CrashError(TEXT("Could not get audio render client"));
//----------------------------------------------------------------
UINT bufferFrameCount;
err = mmClient->GetBufferSize(&bufferFrameCount);
if(FAILED(err))
CrashError(TEXT("Could not get audio buffer size"));
BYTE *lpData;
err = mmRender->GetBuffer(bufferFrameCount, &lpData);
if(FAILED(err))
CrashError(TEXT("Could not get audio buffer"));
zero(lpData, bufferFrameCount*inputBlockSize);
mmRender->ReleaseBuffer(bufferFrameCount, 0);//AUDCLNT_BUFFERFLAGS_SILENT); //probably better if it doesn't know
if(FAILED(mmClient->Start()))
CrashError(TEXT("Could not start audio source"));
}
bool MMDeviceAudioSource::Initialize(bool bMic, CTSTR lpID)
{
const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
const IID IID_IAudioClient = __uuidof(IAudioClient);
const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient);
HRESULT err;
err = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&mmEnumerator);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not create IMMDeviceEnumerator = %08lX"), (BOOL)bMic, err);
return false;
}
bIsMic = bMic;
if (bIsMic) {
BOOL bMicSyncFixHack = GlobalConfig->GetInt(TEXT("Audio"), TEXT("UseMicSyncFixHack"));
angerThreshold = bMicSyncFixHack ? 40 : 1000;
}
if (scmpi(lpID, TEXT("Default")) == 0)
err = mmEnumerator->GetDefaultAudioEndpoint(bMic ? eCapture : eRender, bMic ? eCommunications : eConsole, &mmDevice);
else
err = mmEnumerator->GetDevice(lpID, &mmDevice);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not create IMMDevice = %08lX"), (BOOL)bMic, err);
return false;
}
err = mmDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&mmClient);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not create IAudioClient = %08lX"), (BOOL)bMic, err);
return false;
}
//-----------------------------------------------------------------
// get name
IPropertyStore *store;
if(SUCCEEDED(mmDevice->OpenPropertyStore(STGM_READ, &store)))
{
PROPVARIANT varName;
PropVariantInit(&varName);
if(SUCCEEDED(store->GetValue(PKEY_Device_FriendlyName, &varName)))
{
CWSTR wstrName = varName.pwszVal;
strDeviceName = wstrName;
}
store->Release();
}
if(bMic)
{
Log(TEXT("------------------------------------------"));
Log(TEXT("Using auxilary audio input: %s"), GetDeviceName());
bUseQPC = GlobalConfig->GetInt(TEXT("Audio"), TEXT("UseMicQPC")) != 0;
if (bUseQPC)
Log(TEXT("Using Mic QPC timestamps"));
}
else
{
Log(TEXT("------------------------------------------"));
Log(TEXT("Using desktop audio input: %s"), GetDeviceName());
bUseVideoTime = AppConfig->GetInt(TEXT("Audio"), TEXT("SyncToVideoTime")) != 0;
SetTimeOffset(GlobalConfig->GetInt(TEXT("Audio"), TEXT("GlobalAudioTimeAdjust")));
}
//-----------------------------------------------------------------
// get format
WAVEFORMATEX *pwfx;
err = mmClient->GetMixFormat(&pwfx);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not get mix format from audio client = %08lX"), (BOOL)bMic, err);
return false;
}
bool bFloat;
UINT inputChannels;
UINT inputSamplesPerSec;
UINT inputBitsPerSample;
UINT inputBlockSize;
DWORD inputChannelMask = 0;
WAVEFORMATEXTENSIBLE *wfext = NULL;
//the internal audio engine should always use floats (or so I read), but I suppose just to be safe better check
if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
{
wfext = (WAVEFORMATEXTENSIBLE*)pwfx;
inputChannelMask = wfext->dwChannelMask;
if(wfext->SubFormat != KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Unsupported wave format"), (BOOL)bMic);
return false;
}
}
else if(pwfx->wFormatTag != WAVE_FORMAT_IEEE_FLOAT)
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Unsupported wave format"), (BOOL)bMic);
return false;
}
bFloat = true;
inputChannels = pwfx->nChannels;
inputBitsPerSample = 32;
inputBlockSize = pwfx->nBlockAlign;
inputSamplesPerSec = pwfx->nSamplesPerSec;
sampleWindowSize = (inputSamplesPerSec/100);
DWORD flags = bMic ? 0 : AUDCLNT_STREAMFLAGS_LOOPBACK;
err = mmClient->Initialize(AUDCLNT_SHAREMODE_SHARED, flags, ConvertMSTo100NanoSec(5000), 0, pwfx, NULL);
//err = AUDCLNT_E_UNSUPPORTED_FORMAT;
if (err == AUDCLNT_E_UNSUPPORTED_FORMAT) { //workaround for razer kraken headset (bad drivers)
pwfx->nBlockAlign = 2*pwfx->nChannels;
pwfx->nAvgBytesPerSec = inputSamplesPerSec*pwfx->nBlockAlign;
pwfx->wBitsPerSample = 16;
wfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
wfext->Samples.wValidBitsPerSample = 16;
bConvert = true;
err = mmClient->Initialize(AUDCLNT_SHAREMODE_SHARED, flags, ConvertMSTo100NanoSec(5000), 0, pwfx, NULL);
}
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not initialize audio client, result = %08lX"), (BOOL)bMic, err);
return false;
}
//-----------------------------------------------------------------
// acquire services
err = mmClient->GetService(IID_IAudioCaptureClient, (void**)&mmCapture);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not get audio capture client, result = %08lX"), (BOOL)bMic, err);
return false;
}
err = mmClient->GetService(__uuidof(IAudioClock), (void**)&mmClock);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not get audio capture clock, result = %08lX"), (BOOL)bMic, err);
return false;
}
CoTaskMemFree(pwfx);
//-----------------------------------------------------------------
InitAudioData(bFloat, inputChannels, inputSamplesPerSec, inputBitsPerSample, inputBlockSize, inputChannelMask);
return true;
}
//
// Based on the input switches, pick the specified device to use.
//
bool PickDevice(IMMDevice **DeviceToUse, bool *IsDefaultDevice, ERole *DefaultDeviceRole)
{
HRESULT hr;
bool retValue = true;
IMMDeviceEnumerator *deviceEnumerator = NULL;
IMMDeviceCollection *deviceCollection = NULL;
*IsDefaultDevice = false; // Assume we're not using the default device.
hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&deviceEnumerator));
if (FAILED(hr))
{
printf("Unable to instantiate device enumerator: %x\n", hr);
retValue = false;
goto Exit;
}
IMMDevice *device = NULL;
//
// First off, if none of the console switches was specified, use the console device.
//
if (!UseConsoleDevice && !UseCommunicationsDevice && !UseMultimediaDevice && OutputEndpoint == NULL)
{
//
// The user didn't specify an output device, prompt the user for a device and use that.
//
hr = deviceEnumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &deviceCollection);
if (FAILED(hr))
{
printf("Unable to retrieve device collection: %x\n", hr);
retValue = false;
goto Exit;
}
printf("Select an output device:\n");
printf(" 0: Default Console Device\n");
printf(" 1: Default Communications Device\n");
printf(" 2: Default Multimedia Device\n");
UINT deviceCount;
hr = deviceCollection->GetCount(&deviceCount);
if (FAILED(hr))
{
printf("Unable to get device collection length: %x\n", hr);
retValue = false;
goto Exit;
}
for (UINT i = 0 ; i < deviceCount ; i += 1)
{
LPWSTR deviceName;
deviceName = GetDeviceName(deviceCollection, i);
if (deviceName == NULL)
{
retValue = false;
goto Exit;
}
printf(" %d: %S\n", i + 3, deviceName);
free(deviceName);
}
wchar_t choice[10];
_getws_s(choice); // Note: Using the safe CRT version of _getws.
long deviceIndex;
wchar_t *endPointer;
deviceIndex = wcstoul(choice, &endPointer, 0);
if (deviceIndex == 0 && endPointer == choice)
{
printf("unrecognized device index: %S\n", choice);
retValue = false;
goto Exit;
}
switch (deviceIndex)
{
case 0:
UseConsoleDevice = 1;
break;
case 1:
UseCommunicationsDevice = 1;
break;
case 2:
UseMultimediaDevice = 1;
break;
default:
hr = deviceCollection->Item(deviceIndex - 3, &device);
if (FAILED(hr))
{
printf("Unable to retrieve device %d: %x\n", deviceIndex - 3, hr);
retValue = false;
goto Exit;
}
break;
}
}
else if (OutputEndpoint != NULL)
{
hr = deviceEnumerator->GetDevice(OutputEndpoint, &device);
if (FAILED(hr))
{
printf("Unable to get endpoint for endpoint %S: %x\n", OutputEndpoint, hr);
retValue = false;
goto Exit;
}
}
if (device == NULL)
{
ERole deviceRole = eConsole; // Assume we're using the console role.
if (UseConsoleDevice)
{
deviceRole = eConsole;
}
else if (UseCommunicationsDevice)
{
deviceRole = eCommunications;
}
else if (UseMultimediaDevice)
{
deviceRole = eMultimedia;
}
hr = deviceEnumerator->GetDefaultAudioEndpoint(eRender, deviceRole, &device);
if (FAILED(hr))
{
printf("Unable to get default device for role %d: %x\n", deviceRole, hr);
retValue = false;
goto Exit;
}
*IsDefaultDevice = true;
*DefaultDeviceRole = deviceRole;
}
*DeviceToUse = device;
retValue = true;
Exit:
SafeRelease(&deviceCollection);
SafeRelease(&deviceEnumerator);
return retValue;
}
long WasapiEngine::doInit(long rate, int const latency) {
{
IMMDevice *pDevice = 0;
IMMDeviceEnumerator *pEnumerator = 0;
HRESULT hr;
if (FAILED(CoCreateInstance(CLSID_MMDeviceEnumerator, 0, CLSCTX_ALL,
IID_IMMDeviceEnumerator,
reinterpret_cast<void **>(&pEnumerator)))) {
std::cerr << "CoCreateInstance failed" << std::endl;
return -1;
}
if (deviceSelector->count() > 1) {
hr = pEnumerator->GetDevice(
deviceSelector->itemData(deviceIndex).value<std::wstring>().c_str(),
&pDevice);
} else
hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &pDevice);
pEnumerator->Release();
if (FAILED(hr)) {
std::cerr << "pEnumerator->GetDefaultAudioEndpoint failed" << std::endl;
return -1;
}
hr = pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, 0,
reinterpret_cast<void **>(&pAudioClient));
pDevice->Release();
if (FAILED(hr)) {
std::cerr << "pDevice->Activate failed" << std::endl;
return -1;
}
}
{
static GUID const ksdataformat_subtype_pcm = {
WAVE_FORMAT_PCM, 0x0000, 0x0010,
{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
};
WAVEFORMATEXTENSIBLE wfext;
std::memset(&wfext, 0, sizeof wfext);
wfext.Format.cbSize = sizeof wfext - sizeof wfext.Format;
wfext.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfext.Format.nChannels = 2;
wfext.Format.nSamplesPerSec = rate;
wfext.Format.wBitsPerSample = 16;
wfext.Samples.wValidBitsPerSample = 16;
wfext.SubFormat = ksdataformat_subtype_pcm;
wfext.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
if (!exclusive_.value()) {
WAVEFORMATEX *mwfe = 0;
if (SUCCEEDED(pAudioClient->GetMixFormat(&mwfe)) && mwfe) {
wfext.Format.nChannels = std::max<int>(mwfe->nChannels, 2);
wfext.Format.nSamplesPerSec = mwfe->nSamplesPerSec;
if (mwfe->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
wfext.dwChannelMask =
reinterpret_cast<WAVEFORMATEXTENSIBLE *>(mwfe)->dwChannelMask;
}
CoTaskMemFree(mwfe);
} else
std::cerr << "pAudioClient->GetMixFormat failed\r\n";
if (!(eventHandle_ = CreateEventA(0, false, false, 0)))
std::cerr << "CreateEvent failed\r\n";
}
wfext.Format.nBlockAlign = wfext.Format.nChannels * wfext.Format.wBitsPerSample >> 3;
wfext.Format.nAvgBytesPerSec = wfext.Format.nSamplesPerSec * wfext.Format.nBlockAlign;
nchannels_ = wfext.Format.nChannels;
rate = wfext.Format.nSamplesPerSec;
HRESULT hr = pAudioClient->Initialize(
exclusive_.value() ? AUDCLNT_SHAREMODE_EXCLUSIVE : AUDCLNT_SHAREMODE_SHARED,
eventHandle_ ? AUDCLNT_STREAMFLAGS_EVENTCALLBACK : 0,
latency * 10000,
0,
&wfext.Format,
0);
if (FAILED(hr)) {
std::cerr << "pAudioClient->Initialize failed: " << hr << "\r\n";
return -1;
}
}
if (eventHandle_ && FAILED(pAudioClient->SetEventHandle(eventHandle_))) {
std::cerr << "pAudioClient->SetEventHandle failed\r\n";
return -1;
}
if (FAILED(pAudioClient->GetBufferSize(&bufferFrameCount))) {
std::cerr << "pAudioClient->GetBufferSize failed" << std::endl;
return -1;
}
if (FAILED(pAudioClient->GetService(IID_IAudioRenderClient,
reinterpret_cast<void **>(&pRenderClient)))) {
std::cerr << "pAudioClient->GetService failed" << std::endl;
return -1;
}
if (FAILED(pAudioClient->GetService(IID_IAudioClock,
reinterpret_cast<void **>(&pAudioClock)))) {
std::cerr << "pAudioClient->GetService failed" << std::endl;
return -1;
}
{
UINT64 freq = 0;
pAudioClock->GetFrequency(&freq);
posFrames = freq / (rate ? rate : 1);
}
pos_ = 0;
est = RateEst(rate, bufferFrameCount);
return rate;
}
bool MMDeviceAudioSource::Initialize(bool bMic, CTSTR lpID)
{
const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
const IID IID_IAudioClient = __uuidof(IAudioClient);
const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient);
HRESULT err;
err = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&mmEnumerator);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not create IMMDeviceEnumerator = %08lX"), (BOOL)bMic, err);
return false;
}
if(bMic)
err = mmEnumerator->GetDevice(lpID, &mmDevice);
else
err = mmEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &mmDevice);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not create IMMDevice = %08lX"), (BOOL)bMic, err);
return false;
}
err = mmDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&mmClient);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not create IAudioClient = %08lX"), (BOOL)bMic, err);
return false;
}
WAVEFORMATEX *pwfx;
err = mmClient->GetMixFormat(&pwfx);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not get mix format from audio client = %08lX"), (BOOL)bMic, err);
return false;
}
String strName = GetDeviceName();
if(bMic)
{
Log(TEXT("------------------------------------------"));
Log(TEXT("Using auxilary audio input: %s"), strName.Array());
}
//the internal audio engine should always use floats (or so I read), but I suppose just to be safe better check
if(pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
{
WAVEFORMATEXTENSIBLE *wfext = (WAVEFORMATEXTENSIBLE*)pwfx;
inputChannelMask = wfext->dwChannelMask;
if(wfext->SubFormat != KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Unsupported wave format"), (BOOL)bMic);
return false;
}
}
else if(pwfx->wFormatTag != WAVE_FORMAT_IEEE_FLOAT)
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Unsupported wave format"), (BOOL)bMic);
return false;
}
inputChannels = pwfx->nChannels;
inputBitsPerSample = 32;
inputBlockSize = pwfx->nBlockAlign;
inputSamplesPerSec = pwfx->nSamplesPerSec;
DWORD flags = bMic ? 0 : AUDCLNT_STREAMFLAGS_LOOPBACK;
err = mmClient->Initialize(AUDCLNT_SHAREMODE_SHARED, flags, ConvertMSTo100NanoSec(5000), 0, pwfx, NULL);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not initialize audio client, result = %08lX"), (BOOL)bMic, err);
return false;
}
err = mmClient->GetService(IID_IAudioCaptureClient, (void**)&mmCapture);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not get audio capture client, result = %08lX"), (BOOL)bMic, err);
return false;
}
err = mmClient->GetService(__uuidof(IAudioClock), (void**)&mmClock);
if(FAILED(err))
{
AppWarning(TEXT("MMDeviceAudioSource::Initialize(%d): Could not get audio capture clock, result = %08lX"), (BOOL)bMic, err);
return false;
}
CoTaskMemFree(pwfx);
//-------------------------------------------------------------------------
if(inputSamplesPerSec != 44100)
{
int errVal;
int converterType = AppConfig->GetInt(TEXT("Audio"), TEXT("UseHighQualityResampling"), FALSE) ? SRC_SINC_FASTEST : SRC_LINEAR;
resampler = src_new(converterType, 2, &errVal);//SRC_SINC_FASTEST//SRC_ZERO_ORDER_HOLD
if(!resampler)
{
CrashError(TEXT("MMDeviceAudioSource::Initialize(%d): Could not initiate resampler"), (BOOL)bMic);
return false;
}
resampleRatio = 44100.0 / double(inputSamplesPerSec);
bResample = true;
//----------------------------------------------------
// hack to get rid of that weird first quirky resampled packet size
// (always returns a non-441 sized packet on the first resample)
SRC_DATA data;
data.src_ratio = resampleRatio;
List<float> blankBuffer;
blankBuffer.SetSize(inputSamplesPerSec/100*2);
data.data_in = blankBuffer.Array();
data.input_frames = inputSamplesPerSec/100;
UINT frameAdjust = UINT((double(data.input_frames) * resampleRatio) + 1.0);
UINT newFrameSize = frameAdjust*2;
tempResampleBuffer.SetSize(newFrameSize);
data.data_out = tempResampleBuffer.Array();
data.output_frames = frameAdjust;
data.end_of_input = 0;
int err = src_process(resampler, &data);
nop();
}
//-------------------------------------------------------------------------
if(inputChannels > 2)
{
if(inputChannelMask == 0)
{
switch(inputChannels)
{
case 3: inputChannelMask = KSAUDIO_SPEAKER_2POINT1; break;
case 4: inputChannelMask = KSAUDIO_SPEAKER_QUAD; break;
case 5: inputChannelMask = KSAUDIO_SPEAKER_4POINT1; break;
case 6: inputChannelMask = KSAUDIO_SPEAKER_5POINT1; break;
case 8: inputChannelMask = KSAUDIO_SPEAKER_7POINT1; break;
}
}
switch(inputChannelMask)
{
case KSAUDIO_SPEAKER_QUAD: Log(TEXT("Using quad speaker setup")); break; //ocd anyone?
case KSAUDIO_SPEAKER_2POINT1: Log(TEXT("Using 2.1 speaker setup")); break;
case KSAUDIO_SPEAKER_4POINT1: Log(TEXT("Using 4.1 speaker setup")); break;
case KSAUDIO_SPEAKER_SURROUND: Log(TEXT("Using basic surround speaker setup")); break;
case KSAUDIO_SPEAKER_5POINT1: Log(TEXT("Using 5.1 speaker setup")); break;
case KSAUDIO_SPEAKER_5POINT1_SURROUND: Log(TEXT("Using 5.1 surround speaker setup")); break;
case KSAUDIO_SPEAKER_7POINT1: Log(TEXT("Using 7.1 speaker setup (experimental)")); break;
case KSAUDIO_SPEAKER_7POINT1_SURROUND: Log(TEXT("Using 7.1 surround speaker setup (experimental)")); break;
default:
Log(TEXT("Using unknown speaker setup: 0x%lX"), inputChannelMask);
CrashError(TEXT("Speaker setup not yet implemented -- dear god of all the audio APIs, the one I -have- to use doesn't support resampling or downmixing. fabulous."));
break;
}
}
return true;
}
Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool reinit) {
WAVEFORMATEX *pwfex;
IMMDeviceEnumerator *enumerator = NULL;
IMMDevice *device = NULL;
CoInitialize(NULL);
HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void **)&enumerator);
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
if (p_device->device_name == "Default") {
hr = enumerator->GetDefaultAudioEndpoint(p_capture ? eCapture : eRender, eConsole, &device);
} else {
IMMDeviceCollection *devices = NULL;
hr = enumerator->EnumAudioEndpoints(p_capture ? eCapture : eRender, DEVICE_STATE_ACTIVE, &devices);
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
LPWSTR strId = NULL;
bool found = false;
UINT count = 0;
hr = devices->GetCount(&count);
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
for (ULONG i = 0; i < count && !found; i++) {
IMMDevice *device = NULL;
hr = devices->Item(i, &device);
ERR_BREAK(hr != S_OK);
IPropertyStore *props = NULL;
hr = device->OpenPropertyStore(STGM_READ, &props);
ERR_BREAK(hr != S_OK);
PROPVARIANT propvar;
PropVariantInit(&propvar);
hr = props->GetValue(PKEY_Device_FriendlyName, &propvar);
ERR_BREAK(hr != S_OK);
if (p_device->device_name == String(propvar.pwszVal)) {
hr = device->GetId(&strId);
ERR_BREAK(hr != S_OK);
found = true;
}
PropVariantClear(&propvar);
props->Release();
device->Release();
}
if (found) {
hr = enumerator->GetDevice(strId, &device);
}
if (strId) {
CoTaskMemFree(strId);
}
if (device == NULL) {
hr = enumerator->GetDefaultAudioEndpoint(p_capture ? eCapture : eRender, eConsole, &device);
}
}
if (reinit) {
// In case we're trying to re-initialize the device prevent throwing this error on the console,
// otherwise if there is currently no device available this will spam the console.
if (hr != S_OK) {
return ERR_CANT_OPEN;
}
} else {
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
}
hr = enumerator->RegisterEndpointNotificationCallback(¬if_client);
SAFE_RELEASE(enumerator)
if (hr != S_OK) {
ERR_PRINT("WASAPI: RegisterEndpointNotificationCallback error");
}
hr = device->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void **)&p_device->audio_client);
SAFE_RELEASE(device)
if (reinit) {
if (hr != S_OK) {
return ERR_CANT_OPEN;
}
} else {
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
}
hr = p_device->audio_client->GetMixFormat(&pwfex);
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
// Since we're using WASAPI Shared Mode we can't control any of these, we just tag along
p_device->channels = pwfex->nChannels;
p_device->format_tag = pwfex->wFormatTag;
p_device->bits_per_sample = pwfex->wBitsPerSample;
p_device->frame_size = (p_device->bits_per_sample / 8) * p_device->channels;
if (p_device->format_tag == WAVE_FORMAT_EXTENSIBLE) {
WAVEFORMATEXTENSIBLE *wfex = (WAVEFORMATEXTENSIBLE *)pwfex;
if (wfex->SubFormat == KSDATAFORMAT_SUBTYPE_PCM) {
p_device->format_tag = WAVE_FORMAT_PCM;
} else if (wfex->SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) {
p_device->format_tag = WAVE_FORMAT_IEEE_FLOAT;
} else {
ERR_PRINT("WASAPI: Format not supported");
ERR_FAIL_V(ERR_CANT_OPEN);
}
} else {
if (p_device->format_tag != WAVE_FORMAT_PCM && p_device->format_tag != WAVE_FORMAT_IEEE_FLOAT) {
ERR_PRINT("WASAPI: Format not supported");
ERR_FAIL_V(ERR_CANT_OPEN);
}
}
DWORD streamflags = 0;
if (mix_rate != pwfex->nSamplesPerSec) {
streamflags |= AUDCLNT_STREAMFLAGS_RATEADJUST;
pwfex->nSamplesPerSec = mix_rate;
pwfex->nAvgBytesPerSec = pwfex->nSamplesPerSec * pwfex->nChannels * (pwfex->wBitsPerSample / 8);
}
hr = p_device->audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, streamflags, p_capture ? REFTIMES_PER_SEC : 0, 0, pwfex, NULL);
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
if (p_capture) {
hr = p_device->audio_client->GetService(IID_IAudioCaptureClient, (void **)&p_device->capture_client);
} else {
hr = p_device->audio_client->GetService(IID_IAudioRenderClient, (void **)&p_device->render_client);
}
ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
// Free memory
CoTaskMemFree(pwfex);
SAFE_RELEASE(device)
return OK;
}