bool CAESinkWASAPI::Initialize(AEAudioFormat &format, std::string &device)
{
if (m_initialized)
return false;
CLog::Log(LOGDEBUG, __FUNCTION__": Initializing WASAPI Sink Rev. 1.0.5");
m_device = device;
/* Save requested format */
/* Clear returned format */
sinkReqFormat = format.m_dataFormat;
sinkRetFormat = AE_FMT_INVALID;
IMMDeviceEnumerator* pEnumerator = NULL;
IMMDeviceCollection* pEnumDevices = NULL;
HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&pEnumerator);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not allocate WASAPI device enumerator. CoCreateInstance error code: %li", hr)
//Get our device.
//First try to find the named device.
UINT uiCount = 0;
hr = pEnumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &pEnumDevices);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint enumeration failed.")
hr = pEnumDevices->GetCount(&uiCount);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint count failed.")
for (UINT i = 0; i < uiCount; i++)
{
IPropertyStore *pProperty = NULL;
PROPVARIANT varName;
hr = pEnumDevices->Item(i, &m_pDevice);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of WASAPI endpoint failed.")
hr = m_pDevice->OpenPropertyStore(STGM_READ, &pProperty);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of WASAPI endpoint properties failed.")
hr = pProperty->GetValue(PKEY_AudioEndpoint_GUID, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of WASAPI endpoint GUID failed.");
SAFE_RELEASE(pProperty);
goto failed;
}
std::wstring strRawDevName(varName.pwszVal);
std::string strDevName = std::string(strRawDevName.begin(), strRawDevName.end());
//g_charsetConverter.ucs2CharsetToStringCharset(strRawDevName, strDevName.c_str());
if (device == strDevName)
i = uiCount;
else
SAFE_RELEASE(m_pDevice);
PropVariantClear(&varName);
SAFE_RELEASE(pProperty);
}
SAFE_RELEASE(pEnumDevices);
if (!m_pDevice)
{
CLog::Log(LOGINFO, __FUNCTION__": Could not locate the device named \"%s\" in the list of WASAPI endpoint devices. Trying the default device...", device.c_str());
hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &m_pDevice);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not retrieve the default WASAPI audio endpoint.")
IPropertyStore *pProperty = NULL;
PROPVARIANT varName;
hr = m_pDevice->OpenPropertyStore(STGM_READ, &pProperty);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of WASAPI endpoint properties failed.")
hr = pProperty->GetValue(PKEY_AudioEndpoint_GUID, &varName);
std::wstring strRawDevName(varName.pwszVal);
std::string strDevName = std::string(strRawDevName.begin(), strRawDevName.end());
PropVariantClear(&varName);
SAFE_RELEASE(pProperty);
}
//We are done with the enumerator.
SAFE_RELEASE(pEnumerator);
hr = m_pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&m_pAudioClient);
EXIT_ON_FAILURE(hr, __FUNCTION__": Activating the WASAPI endpoint device failed.")
if (!InitializeExclusive(format))
{
CLog::Log(LOGINFO, __FUNCTION__": Could not Initialize Exclusive with that format");
goto failed;
}
/* get the buffer size and calculate the frames for AE */
m_pAudioClient->GetBufferSize(&m_uiBufferLen);
format.m_frames = m_uiBufferLen;
format.m_frameSamples = format.m_frames * format.m_channelLayout.Count();
m_format = format;
sinkRetFormat = format.m_dataFormat;
CLog::Log(LOGDEBUG, __FUNCTION__": Buffer Size = %d Bytes", m_uiBufferLen * format.m_frameSize);
hr = m_pAudioClient->GetService(IID_IAudioRenderClient, (void**)&m_pRenderClient);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not initialize the WASAPI render client interface.")
m_needDataEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
hr = m_pAudioClient->SetEventHandle(m_needDataEvent);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not set the WASAPI event handler.");
m_initialized = true;
m_isDirty = false;
return true;
failed:
CLog::Log(LOGERROR, __FUNCTION__": WASAPI initialization failed.");
SAFE_RELEASE(pEnumDevices);
SAFE_RELEASE(pEnumerator);
SAFE_RELEASE(m_pRenderClient);
SAFE_RELEASE(m_pAudioClient);
SAFE_RELEASE(m_pDevice);
CloseHandle(m_needDataEvent);
return false;
}
bool CWin32WASAPI::Initialize(IAudioCallback* pCallback, const CStdString& device, int iChannels, enum PCMChannels *channelMap, unsigned int uiSamplesPerSec, unsigned int uiBitsPerSample, bool bResample, bool bIsMusic, bool bAudioPassthrough)
{
CLog::Log(LOGDEBUG, __FUNCTION__": endpoint device %s", device.c_str());
//First check if the version of Windows we are running on even supports WASAPI.
if (!g_sysinfo.IsVistaOrHigher())
{
CLog::Log(LOGERROR, __FUNCTION__": WASAPI output requires Vista or higher.");
return false;
}
//Only one exclusive stream may be initialized at one time.
if(m_bIsAllocated)
{
CLog::Log(LOGERROR, __FUNCTION__": Cannot create more then one WASAPI stream at one time.");
return false;
}
int layoutChannels = 0;
if(!bAudioPassthrough)
{
//If no channel map is specified, use the default.
if(!channelMap)
channelMap = (PCMChannels *)wasapi_default_channel_layout[iChannels - 1];
PCMChannels *outLayout = m_remap.SetInputFormat(iChannels, channelMap, uiBitsPerSample / 8);
for(PCMChannels *channel = outLayout; *channel != PCM_INVALID; channel++)
++layoutChannels;
//Expand monural to stereo as most devices don't seem to like 1 channel PCM streams.
//Stereo sources should be sent explicitly as two channels so that the external hardware
//can apply ProLogic/5CH Stereo/etc processing on it.
if(iChannels <= 2)
{
BuildChannelMapping(2, (PCMChannels *)wasapi_default_channel_layout[1]);
layoutChannels = 2;
m_remap.SetOutputFormat(2, m_SpeakerOrder, false);
}
else //Do the standard remapping.
{
BuildChannelMapping(layoutChannels, outLayout);
m_remap.SetOutputFormat(layoutChannels, m_SpeakerOrder, false);
}
}
m_bPlaying = false;
m_bPause = false;
m_bMuting = false;
m_uiChannels = iChannels;
m_uiBitsPerSample = uiBitsPerSample;
m_bPassthrough = bAudioPassthrough;
m_nCurrentVolume = g_settings.m_nVolumeLevel;
m_pcmAmplifier.SetVolume(m_nCurrentVolume);
WAVEFORMATEXTENSIBLE wfxex = {0};
//fill waveformatex
ZeroMemory(&wfxex, sizeof(WAVEFORMATEXTENSIBLE));
wfxex.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
wfxex.Format.nChannels = layoutChannels;
wfxex.Format.nSamplesPerSec = uiSamplesPerSec;
if (bAudioPassthrough == true)
{
wfxex.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
wfxex.Format.wFormatTag = WAVE_FORMAT_DOLBY_AC3_SPDIF;
wfxex.SubFormat = _KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF;
wfxex.Format.wBitsPerSample = 16;
wfxex.Format.nChannels = 2;
}
else
{
wfxex.dwChannelMask = m_uiSpeakerMask;
wfxex.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfxex.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
wfxex.Format.wBitsPerSample = uiBitsPerSample;
}
wfxex.Samples.wValidBitsPerSample = uiBitsPerSample == 32 ? 24 : uiBitsPerSample;
wfxex.Format.nBlockAlign = wfxex.Format.nChannels * (wfxex.Format.wBitsPerSample >> 3);
wfxex.Format.nAvgBytesPerSec = wfxex.Format.nSamplesPerSec * wfxex.Format.nBlockAlign;
m_uiAvgBytesPerSec = wfxex.Format.nAvgBytesPerSec;
m_uiBytesPerFrame = wfxex.Format.nBlockAlign;
m_uiBytesPerSrcFrame = bAudioPassthrough ? m_uiBytesPerFrame : iChannels * wfxex.Format.wBitsPerSample >> 3;
IMMDeviceEnumerator* pEnumerator = NULL;
IMMDeviceCollection* pEnumDevices = NULL;
//Shut down Directsound.
g_audioContext.SetActiveDevice(CAudioContext::NONE);
HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&pEnumerator);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not allocate WASAPI device enumerator. CoCreateInstance error code: %i", hr)
//Get our device.
//First try to find the named device.
UINT uiCount = 0;
hr = pEnumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &pEnumDevices);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint enumeration failed.")
hr = pEnumDevices->GetCount(&uiCount);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint count failed.")
for(UINT i = 0; i < uiCount; i++)
{
IPropertyStore *pProperty = NULL;
PROPVARIANT varName;
hr = pEnumDevices->Item(i, &m_pDevice);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of WASAPI endpoint failed.")
hr = m_pDevice->OpenPropertyStore(STGM_READ, &pProperty);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of WASAPI endpoint properties failed.")
hr = pProperty->GetValue(PKEY_Device_FriendlyName, &varName);
if(FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of WASAPI endpoint device name failed.");
SAFE_RELEASE(pProperty);
goto failed;
}
CStdStringW strRawDevName(varName.pwszVal);
CStdString strDevName;
g_charsetConverter.wToUTF8(strRawDevName, strDevName);
if(device == strDevName)
i = uiCount;
else
SAFE_RELEASE(m_pDevice);
PropVariantClear(&varName);
SAFE_RELEASE(pProperty);
}
SAFE_RELEASE(pEnumDevices);
if(!m_pDevice)
{
CLog::Log(LOGDEBUG, __FUNCTION__": Could not locate the device named \"%s\" in the list of WASAPI endpoint devices. Trying the default device...", device.c_str());
hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &m_pDevice);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not retrieve the default WASAPI audio endpoint.")
}
void CAESinkDirectSound::EnumerateDevicesEx(AEDeviceInfoList &deviceInfoList)
{
CAEDeviceInfo deviceInfo;
OSVERSIONINFO osvi;
IMMDeviceEnumerator* pEnumerator = NULL;
IMMDeviceCollection* pEnumDevices = NULL;
WAVEFORMATEX* pwfxex = NULL;
HRESULT hr;
/* See if we are on Windows XP */
ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&osvi);
if (osvi.dwMajorVersion == 5)
{
/* We are on XP - WASAPI not supported - enumerate using DS devices */
LPGUID deviceGUID = NULL;
RPC_CSTR cszGUID;
std::string szGUID;
std::list<DSDevice> DSDeviceList;
DirectSoundEnumerate(DSEnumCallback, &DSDeviceList);
for(std::list<DSDevice>::iterator itt = DSDeviceList.begin(); itt != DSDeviceList.end(); itt++)
{
if (UuidToString((*itt).lpGuid, &cszGUID) != RPC_S_OK)
continue; /* could not convert GUID to string - skip device */
deviceInfo.m_channels.Reset();
deviceInfo.m_dataFormats.clear();
deviceInfo.m_sampleRates.clear();
szGUID = (LPSTR)cszGUID;
deviceInfo.m_deviceName = "{" + szGUID + "}";
deviceInfo.m_displayName = (*itt).name;
deviceInfo.m_displayNameExtra = std::string("DirectSound: ") + (*itt).name;
deviceInfo.m_deviceType = AE_DEVTYPE_PCM;
deviceInfo.m_channels = layoutsByChCount[2];
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_FLOAT));
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_AC3));
deviceInfo.m_sampleRates.push_back((DWORD) 96000);
deviceInfoList.push_back(deviceInfo);
}
RpcStringFree(&cszGUID);
return;
}
/* Windows Vista or later - supporting WASAPI device probing */
hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&pEnumerator);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not allocate WASAPI device enumerator. CoCreateInstance error code: %li", hr)
UINT uiCount = 0;
hr = pEnumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &pEnumDevices);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint enumeration failed.")
hr = pEnumDevices->GetCount(&uiCount);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint count failed.")
for (UINT i = 0; i < uiCount; i++)
{
IMMDevice *pDevice = NULL;
IPropertyStore *pProperty = NULL;
PROPVARIANT varName;
PropVariantInit(&varName);
deviceInfo.m_channels.Reset();
deviceInfo.m_dataFormats.clear();
deviceInfo.m_sampleRates.clear();
hr = pEnumDevices->Item(i, &pDevice);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint failed.");
goto failed;
}
hr = pDevice->OpenPropertyStore(STGM_READ, &pProperty);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint properties failed.");
SAFE_RELEASE(pDevice);
goto failed;
}
hr = pProperty->GetValue(PKEY_Device_FriendlyName, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint device name failed.");
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
goto failed;
}
std::wstring strRawFriendlyName(varName.pwszVal);
std::string strFriendlyName = std::string(strRawFriendlyName.begin(), strRawFriendlyName.end());
PropVariantClear(&varName);
hr = pProperty->GetValue(PKEY_AudioEndpoint_GUID, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint GUID failed.");
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
goto failed;
}
std::wstring strRawDevName(varName.pwszVal);
std::string strDevName = std::string(strRawDevName.begin(), strRawDevName.end());
PropVariantClear(&varName);
hr = pProperty->GetValue(PKEY_AudioEndpoint_FormFactor, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint form factor failed.");
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
goto failed;
}
std::string strWinDevType = winEndpoints[(EndpointFormFactor)varName.uiVal].winEndpointType;
AEDeviceType aeDeviceType = winEndpoints[(EndpointFormFactor)varName.uiVal].aeDeviceType;
PropVariantClear(&varName);
/* In shared mode Windows tells us what format the audio must be in. */
IAudioClient *pClient;
hr = pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pClient);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Activate device failed (%s)", WASAPIErrToStr(hr));
}
//hr = pClient->GetMixFormat(&pwfxex);
hr = pProperty->GetValue(PKEY_AudioEngine_DeviceFormat, &varName);
if (SUCCEEDED(hr))
{
WAVEFORMATEX* smpwfxex = (WAVEFORMATEX*)varName.blob.pBlobData;
deviceInfo.m_channels = layoutsByChCount[std::min(smpwfxex->nChannels, (WORD) 2)];
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_FLOAT));
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_AC3));
deviceInfo.m_sampleRates.push_back(std::min(smpwfxex->nSamplesPerSec, (DWORD) 96000));
}
else
{
CLog::Log(LOGERROR, __FUNCTION__": GetMixFormat failed (%s)", WASAPIErrToStr(hr));
}
pClient->Release();
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
deviceInfo.m_deviceName = strDevName;
deviceInfo.m_displayName = strWinDevType.append(strFriendlyName);
deviceInfo.m_displayNameExtra = std::string("DirectSound: ").append(strFriendlyName);
deviceInfo.m_deviceType = aeDeviceType;
/* Now logged by AESinkFactory on startup */
//CLog::Log(LOGDEBUG,"Audio Device %d: %s", i, ((std::string)deviceInfo).c_str());
deviceInfoList.push_back(deviceInfo);
}
return;
failed:
if (FAILED(hr))
CLog::Log(LOGERROR, __FUNCTION__": Failed to enumerate WASAPI endpoint devices (%s).", WASAPIErrToStr(hr));
SAFE_RELEASE(pEnumDevices);
SAFE_RELEASE(pEnumerator);
}
