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AUDCLNT_BUFFERFLAGS_SILENT not handled #1376
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Good one. Reading the docs it actually sounds like we should just ignore the buffer and return all silence (which is slightly different than zeroing the buffer):
Treat all of the data in the packet as silence and ignore the actual data values
Reacted by Erwan LegrandI had several local WASAPI changes cooking, to which I added this: #1379
Reacted by Erwan Legrand
Per Microsoft's specifications, it is the applications responsibility to zero the buffer when a driver returns AUDCLNT_BUFFERFLAGS_SILENT.
https://learn.microsoft.com/en-us/windows/win32/api/audioclient/ne-audioclient-_audclnt_bufferflags
I have a hardening PR for WASAPI in preparation which fixes this issue amongst other things.