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WASAPI: Use the correct virtual device for process-specific loopback.

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Public issue https://github.com/mackron/miniaudio/issues/484
This commit is contained in:
David Reid
2022-09-09 10:07:09 +10:00
parent b215b8e473
commit 543a7ed991
1 changed files with 7 additions and 1 deletions
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miniaudio.h
+7 -1
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@@ -20925,11 +20925,14 @@ typedef struct
#pragma GCC diagnostic pop
#endif
#define MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK L"VAD\\Process_Loopback"
static ma_result ma_context_get_IAudioClient__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_uint32 loopbackProcessID, ma_bool32 loopbackProcessExclude, ma_IAudioClient** ppAudioClient, ma_WASAPIDeviceInterface** ppDeviceInterface)
{
MA_AUDIOCLIENT_ACTIVATION_PARAMS audioclientActivationParams;
PROPVARIANT activationParams;
PROPVARIANT* pActivationParams = NULL;
ma_device_id virtualDeviceID;
/* Activation parameters specific to loopback mode. */
if (deviceType == ma_device_type_loopback && loopbackProcessID != 0) {
@@ -20942,8 +20945,11 @@ static ma_result ma_context_get_IAudioClient__wasapi(ma_context* pContext, ma_de
activationParams.vt = VT_BLOB;
activationParams.blob.cbSize = sizeof(audioclientActivationParams);
activationParams.blob.pBlobData = (BYTE*)&audioclientActivationParams;
pActivationParams = &activationParams;
/* When requesting a specific device ID we need to use a special device ID. */
MA_COPY_MEMORY(virtualDeviceID.wasapi, MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK, (wcslen(MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK) + 1) * sizeof(wchar_t)); /* +1 for the null terminator. */
pDeviceID = &virtualDeviceID;
} else {
pActivationParams = NULL; /* No activation parameters required. */
}