mirror of
https://github.com/cookiengineer/audacity
synced 2025-04-30 15:49:41 +02:00
Recreate and apply the WASAPI loopback patch
This commit is contained in:
Leland Lucius
parent
e3e1758110
commit
be7467c0e3
@ -564,6 +564,15 @@ const wchar_t *PaWasapi_GetInputDeviceID( PaStream *s );
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*/
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const wchar_t *PaWasapi_GetOutputDeviceID( PaStream *s );
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/** Returns device loopback indicator.
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@param nDevice device index.
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@return 0 = Not loopback, 1 = loopback, < 0 = PaErrorCode
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if PortAudio is not initialized or an error is encountered.
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*/
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int PaWasapi_IsLoopback( PaDeviceIndex nDevice );
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/*
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IMPORTANT:
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@ -449,6 +449,9 @@ typedef struct PaWasapiDeviceInfo
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// Formfactor
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EndpointFormFactor formFactor;
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// Loopback indicator
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int loopBack;
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}
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PaWasapiDeviceInfo;
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@ -1674,6 +1677,8 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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IMMDeviceEnumerator *pEnumerator = NULL;
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#endif
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IAudioClient *tmpClient;
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UINT renderCount;
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INT devIndex;
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// Make sure device list empty
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if ((paWasapi->deviceCount != 0) || (hostApi->info.deviceCount != 0))
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@ -1738,6 +1743,19 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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}
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}
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hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender, DEVICE_STATE_ACTIVE, &pEndPoints);
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// We need to set the result to a value otherwise we will return paNoError
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// [IF_FAILED_JUMP(hResult, error);]
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IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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hr = IMMDeviceCollection_GetCount(pEndPoints, &renderCount);
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// We need to set the result to a value otherwise we will return paNoError
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// [IF_FAILED_JUMP(hResult, error);]
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IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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SAFE_RELEASE(pEndPoints);
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pEndPoints = NULL;
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hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eAll, DEVICE_STATE_ACTIVE, &pEndPoints);
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// We need to set the result to a value otherwise we will return paNoError
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// [IF_FAILED_JUMP(hResult, error);]
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@ -1748,6 +1766,7 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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// [IF_FAILED_JUMP(hResult, error);]
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IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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paWasapi->deviceCount += renderCount;
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#else
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// Determine number of available devices by activating AudioClient for render and capture data flows
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if (SUCCEEDED(ActivateAudioInterface_WINRT(eRender, GetAudioClientIID(), &tmpClient)))
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@ -1797,7 +1816,7 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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}
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memset(deviceInfoArray, 0, sizeof(PaDeviceInfo) * deviceCount);
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for (i = 0; i < paWasapi->deviceCount; ++i)
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for (devIndex = 0, i = 0; i < paWasapi->deviceCount; ++i, ++devIndex)
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{
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PaDeviceInfo *deviceInfo = &deviceInfoArray[i];
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deviceInfo->structVersion = 2;
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@ -1807,7 +1826,7 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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PA_DEBUG(("WASAPI: ---------------\n"));
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#ifndef PA_WINRT
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hr = IMMDeviceCollection_Item(pEndPoints, i, &paWasapi->devInfo[i].device);
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hr = IMMDeviceCollection_Item(pEndPoints, devIndex, &paWasapi->devInfo[i].device);
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// We need to set the result to a value otherwise we will return paNoError
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// [IF_FAILED_JUMP(hResult, error);]
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IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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@ -2039,6 +2058,42 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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hostApi->deviceInfos[i] = deviceInfo;
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++hostApi->info.deviceCount;
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if (paWasapi->devInfo[i].flow == eRender)
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{
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char *deviceName;
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memcpy(&deviceInfoArray[i + 1], deviceInfo, sizeof(*deviceInfo));
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memcpy(&paWasapi->devInfo[i + 1], &paWasapi->devInfo[i], sizeof(*paWasapi->devInfo));
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i++;
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paWasapi->devInfo[i].loopBack = 1;
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deviceInfo = &deviceInfoArray[i];
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deviceInfo->maxInputChannels = deviceInfo->maxOutputChannels;
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deviceInfo->defaultHighInputLatency = deviceInfo->defaultHighOutputLatency;
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deviceInfo->defaultLowInputLatency = deviceInfo->defaultLowOutputLatency;
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deviceInfo->maxOutputChannels = 0;
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deviceInfo->defaultHighOutputLatency = 0;
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deviceInfo->defaultLowOutputLatency = 0;
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PA_DEBUG(("WASAPI:%d| def.SR[%d] max.CH[%d] latency{hi[%f] lo[%f]}\n", i, (UINT32)deviceInfo->defaultSampleRate,
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deviceInfo->maxInputChannels, (float)deviceInfo->defaultHighInputLatency, (float)deviceInfo->defaultLowInputLatency));
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IMMDevice_AddRef(paWasapi->devInfo[i].device);
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deviceName = (char *)PaUtil_GroupAllocateMemory(paWasapi->allocations, MAX_STR_LEN + 1);
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if (deviceName == NULL)
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{
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result = paInsufficientMemory;
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goto error;
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}
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_snprintf(deviceName, MAX_STR_LEN-1, "%s (loopback)", deviceInfo->name);
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deviceInfo->name = deviceName;
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hostApi->deviceInfos[i] = deviceInfo;
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++hostApi->info.deviceCount;
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}
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}
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#if defined(PA_WASAPI_MAX_CONST_DEVICE_COUNT) && (PA_WASAPI_MAX_CONST_DEVICE_COUNT > 0)
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@ -2392,6 +2447,29 @@ int PaWasapi_GetDeviceRole( PaDeviceIndex device )
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return paWasapi->devInfo[ index ].formFactor;
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}
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// ------------------------------------------------------------------------------------------
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int PaWasapi_IsLoopback( PaDeviceIndex nDevice )
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{
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PaError ret;
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PaDeviceIndex index;
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// Get API
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PaWasapiHostApiRepresentation *paWasapi = _GetHostApi(&ret);
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if (paWasapi == NULL)
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return paNotInitialized;
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// Get device index
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ret = PaUtil_DeviceIndexToHostApiDeviceIndex(&index, nDevice, &paWasapi->inheritedHostApiRep);
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if (ret != paNoError)
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return ret;
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// Validate index
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if ((UINT32)index >= paWasapi->deviceCount)
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return paInvalidDevice;
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return paWasapi->devInfo[ index ].loopBack;
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}
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// ------------------------------------------------------------------------------------------
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PaError PaWasapi_GetFramesPerHostBuffer( PaStream *pStream, unsigned int *pInput, unsigned int *pOutput )
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{
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@ -3055,7 +3133,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
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if ((params->channelCount == 1) && (pSub->wavex.Format.nChannels == 2))
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{
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// select mixer
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pSub->monoMixer = GetMonoToStereoMixer(&pSub->wavex, (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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pSub->monoMixer = GetMonoToStereoMixer(&pSub->wavex, (output ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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if (pSub->monoMixer == NULL)
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{
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(*pa_error) = paInvalidChannelCount;
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@ -3618,6 +3696,9 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
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((inputStreamInfo != NULL) && (inputStreamInfo->flags & paWinWasapiAutoConvert)))
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stream->in.streamFlags |= (AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY);
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if (info->flow == eRender)
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stream->in.streamFlags |= AUDCLNT_STREAMFLAGS_LOOPBACK;
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// Fill parameters for Audio Client creation
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stream->in.params.device_info = info;
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stream->in.params.stream_params = (*inputParameters);
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@ -1,10 +1,10 @@
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diff --git a/lib-src/portaudio-v19/include/pa_win_wasapi.h b/lib-src/portaudio-v19/include/pa_win_wasapi.h
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index 1087157..e52d0a7 100644
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index a4416b121..1999e8dad 100644
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--- a/lib-src/portaudio-v19/include/pa_win_wasapi.h
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+++ b/lib-src/portaudio-v19/include/pa_win_wasapi.h
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@@ -319,6 +319,16 @@ int PaWasapi_GetDeviceDefaultFormat( void *pFormat, unsigned int nFormatSize, Pa
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int/*PaWasapiDeviceRole*/ PaWasapi_GetDeviceRole( PaDeviceIndex nDevice );
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@@ -564,6 +564,15 @@ const wchar_t *PaWasapi_GetInputDeviceID( PaStream *s );
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*/
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const wchar_t *PaWasapi_GetOutputDeviceID( PaStream *s );
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+/** Returns device loopback indicator.
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+
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@ -15,15 +15,14 @@ index 1087157..e52d0a7 100644
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+*/
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+int PaWasapi_IsLoopback( PaDeviceIndex nDevice );
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+
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+
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/** Boost thread priority of calling thread (MMCSS). Use it for Blocking Interface only for thread
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which makes calls to Pa_WriteStream/Pa_ReadStream.
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/*
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IMPORTANT:
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diff --git a/lib-src/portaudio-v19/src/hostapi/wasapi/pa_win_wasapi.c b/lib-src/portaudio-v19/src/hostapi/wasapi/pa_win_wasapi.c
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index 0026033..2e9dca8 100644
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index f64049ad5..4b28f7f0b 100644
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--- a/lib-src/portaudio-v19/src/hostapi/wasapi/pa_win_wasapi.c
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+++ b/lib-src/portaudio-v19/src/hostapi/wasapi/pa_win_wasapi.c
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@@ -375,6 +375,9 @@ typedef struct PaWasapiDeviceInfo
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@@ -449,6 +449,9 @@ typedef struct PaWasapiDeviceInfo
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// Formfactor
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EndpointFormFactor formFactor;
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@ -33,20 +32,20 @@ index 0026033..2e9dca8 100644
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}
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PaWasapiDeviceInfo;
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@@ -1179,6 +1182,8 @@ PaError PaWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd
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HRESULT hr = S_OK;
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IMMDeviceCollection* pEndPoints = NULL;
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UINT i;
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@@ -1674,6 +1677,8 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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IMMDeviceEnumerator *pEnumerator = NULL;
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#endif
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IAudioClient *tmpClient;
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+ UINT renderCount;
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+ UINT devIndex;
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+ INT devIndex;
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if (!SetupAVRT())
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{
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@@ -1275,6 +1280,19 @@ PaError PaWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd
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// Make sure device list empty
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if ((paWasapi->deviceCount != 0) || (hostApi->info.deviceCount != 0))
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@@ -1738,6 +1743,19 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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}
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}
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+ hr = IMMDeviceEnumerator_EnumAudioEndpoints(paWasapi->enumerator, eRender, DEVICE_STATE_ACTIVE, &pEndPoints);
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+ hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender, DEVICE_STATE_ACTIVE, &pEndPoints);
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+ // We need to set the result to a value otherwise we will return paNoError
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+ // [IF_FAILED_JUMP(hResult, error);]
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+ IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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@ -59,45 +58,43 @@ index 0026033..2e9dca8 100644
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+ SAFE_RELEASE(pEndPoints);
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+ pEndPoints = NULL;
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+
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hr = IMMDeviceEnumerator_EnumAudioEndpoints(paWasapi->enumerator, eAll, DEVICE_STATE_ACTIVE, &pEndPoints);
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hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eAll, DEVICE_STATE_ACTIVE, &pEndPoints);
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// We need to set the result to a value otherwise we will return paNoError
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// [IF_FAILED_JUMP(hResult, error);]
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@@ -1285,6 +1303,8 @@ PaError PaWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd
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@@ -1748,6 +1766,7 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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// [IF_FAILED_JUMP(hResult, error);]
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IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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+ paWasapi->deviceCount += renderCount;
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+
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paWasapi->devInfo = (PaWasapiDeviceInfo *)PaUtil_AllocateMemory(sizeof(PaWasapiDeviceInfo) * paWasapi->deviceCount);
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if (paWasapi->devInfo == NULL)
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{
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@@ -1313,7 +1333,7 @@ PaError PaWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd
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goto error;
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#else
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// Determine number of available devices by activating AudioClient for render and capture data flows
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if (SUCCEEDED(ActivateAudioInterface_WINRT(eRender, GetAudioClientIID(), &tmpClient)))
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@@ -1797,7 +1816,7 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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}
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memset(deviceInfoArray, 0, sizeof(PaDeviceInfo) * deviceCount);
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- for (i = 0; i < paWasapi->deviceCount; ++i)
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+ for (devIndex = 0, i = 0; i < paWasapi->deviceCount; ++i, ++devIndex)
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{
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DWORD state = 0;
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PaDeviceInfo *deviceInfo = &deviceInfoArray[i];
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@@ -1323,7 +1343,7 @@ PaError PaWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd
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PA_DEBUG(("WASAPI: device idx: %02d\n", i));
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deviceInfo->structVersion = 2;
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@@ -1807,7 +1826,7 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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PA_DEBUG(("WASAPI: ---------------\n"));
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#ifndef PA_WINRT
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- hr = IMMDeviceCollection_Item(pEndPoints, i, &paWasapi->devInfo[i].device);
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+ hr = IMMDeviceCollection_Item(pEndPoints, devIndex, &paWasapi->devInfo[i].device);
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// We need to set the result to a value otherwise we will return paNoError
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// [IF_FAILED_JUMP(hResult, error);]
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IF_FAILED_INTERNAL_ERROR_JUMP(hr, result, error);
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@@ -1513,6 +1533,43 @@ PaError PaWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd
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@@ -2039,6 +2058,42 @@ static PaError CreateDeviceList(PaWasapiHostApiRepresentation *paWasapi, PaHostA
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(*hostApi)->deviceInfos[i] = deviceInfo;
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++(*hostApi)->info.deviceCount;
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hostApi->deviceInfos[i] = deviceInfo;
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++hostApi->info.deviceCount;
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+
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+ if (paWasapi->devInfo[i].flow == eRender)
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+ {
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+ char *deviceName;
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+ UINT deviceNameLen;
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+
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+ memcpy(&deviceInfoArray[i + 1], deviceInfo, sizeof(*deviceInfo));
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+ memcpy(&paWasapi->devInfo[i + 1], &paWasapi->devInfo[i], sizeof(*paWasapi->devInfo));
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@ -127,16 +124,17 @@ index 0026033..2e9dca8 100644
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+ _snprintf(deviceName, MAX_STR_LEN-1, "%s (loopback)", deviceInfo->name);
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+ deviceInfo->name = deviceName;
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+
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+ (*hostApi)->deviceInfos[i] = deviceInfo;
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+ ++(*hostApi)->info.deviceCount;
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+ hostApi->deviceInfos[i] = deviceInfo;
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+ ++hostApi->info.deviceCount;
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+ }
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}
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#if defined(PA_WASAPI_MAX_CONST_DEVICE_COUNT) && (PA_WASAPI_MAX_CONST_DEVICE_COUNT > 0)
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@@ -2392,6 +2447,29 @@ int PaWasapi_GetDeviceRole( PaDeviceIndex device )
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return paWasapi->devInfo[ index ].formFactor;
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}
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@@ -1691,6 +1748,29 @@ const wchar_t *PaWasapi_GetOutputDeviceID( PaStream* s )
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}
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// ------------------------------------------------------------------------------------------
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+// ------------------------------------------------------------------------------------------
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+int PaWasapi_IsLoopback( PaDeviceIndex nDevice )
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+{
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+ PaError ret;
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@ -159,31 +157,21 @@ index 0026033..2e9dca8 100644
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+ return paWasapi->devInfo[ index ].loopBack;
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+}
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+
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+// ------------------------------------------------------------------------------------------
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PaError PaWasapi_GetFramesPerHostBuffer( PaStream *pStream, unsigned int *nInput, unsigned int *nOutput )
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// ------------------------------------------------------------------------------------------
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PaError PaWasapi_GetFramesPerHostBuffer( PaStream *pStream, unsigned int *pInput, unsigned int *pOutput )
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{
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@@ -3055,7 +3133,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
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if ((params->channelCount == 1) && (pSub->wavex.Format.nChannels == 2))
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{
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PaWasapiStream *stream = (PaWasapiStream *)pStream;
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@@ -2336,7 +2416,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
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}*/
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// select mixer
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- pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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+ pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (output ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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- pSub->monoMixer = GetMonoToStereoMixer(&pSub->wavex, (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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+ pSub->monoMixer = GetMonoToStereoMixer(&pSub->wavex, (output ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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if (pSub->monoMixer == NULL)
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{
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(*pa_error) = paInvalidChannelCount;
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@@ -2621,7 +2701,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
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}*/
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// Select mixer
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- pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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+ pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (output ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
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if (pSub->monoMixer == NULL)
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{
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(*pa_error) = paInvalidChannelCount;
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@@ -2941,6 +3021,9 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
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if (fullDuplex)
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stream->in.streamFlags = 0; // polling interface is implemented for full-duplex mode also
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@@ -3618,6 +3696,9 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
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((inputStreamInfo != NULL) && (inputStreamInfo->flags & paWinWasapiAutoConvert)))
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stream->in.streamFlags |= (AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY);
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+ if (info->flow == eRender)
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+ stream->in.streamFlags |= AUDCLNT_STREAMFLAGS_LOOPBACK;
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