kc3-lang/SDL/src/audio/wasapi

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• Hash : c72aef26
  Author :
  Date : 2021-05-01T23:56:23
  

  Fixed microphone randomly stop working WASAPI_WaitDevice is used for audio playback and capture, but needs to behave slighty different. For playback `GetCurrentPadding` returns the padding which is already queued, so WaitDevice should return when buffer length falls below the buffer threshold (`maxpadding`). For capture `GetCurrentPadding` returns the available data which can be read, so WaitDevice can return as soon as any data is available. In the old implementation WaitDevice could suddenly hang. This is because on many capture devices the buffer (`padding`) wasn't filled fast enough to surpass `maxpadding`. But if at one point (due to unlucky timing) more than maxpadding frames were available, WaitDevice would not return anymore. Issue #3234 is probably related to this.

• Files

• SDL_wasapi.c
• SDL_wasapi.h
• SDL_wasapi_win32.c
• SDL_wasapi_winrt.cpp

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