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Increase audio buffer size to reduce the chance of underruns

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Cameron Gutman 2023-09-09 12:56:05 -05:00
parent c98289a9e7
commit da1fcd49fc
1 changed files with 4 additions and 2 deletions
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6
app/streaming/audio/renderers/sdlaud.cpp
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@ -28,8 +28,10 @@ bool SdlAudioRenderer::prepareForPlayback(const OPUS_MULTISTREAM_CONFIGURATION*
// On PulseAudio systems, setting a value too small can cause underruns for other
// applications sharing this output device. We impose a floor of 480 samples (10 ms)
// to mitigate this issue.
want.samples = SDL_max(480, opusConfig->samplesPerFrame);
// to mitigate this issue. Otherwise, we will buffer up to 3 frames of audio which
// is 15 ms at regular 5 ms frames and 30 ms at 10 ms frames for slow connections.
// The buffering helps avoid audio underruns due to network jitter.
want.samples = SDL_max(480, opusConfig->samplesPerFrame * 3);
m_FrameSize = opusConfig->samplesPerFrame * sizeof(short) * opusConfig->channelCount;