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Increase audio thread priority

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The audio demuxer thread is the one filling the audio buffer read by the
SDL audio thread. It is time critical to avoid buffer underflow.
This commit is contained in:
Romain Vimont 2023-03-08 21:37:27 +01:00
parent 5ee59e0f13
commit aa450ffc3f
1 changed files with 8 additions and 0 deletions
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8
app/src/audio_player.c
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@ -382,6 +382,14 @@ sc_audio_player_frame_sink_open(struct sc_frame_sink *sink,
ap->received = false;
ap->played = false;
// The thread calling open() is the thread calling push(), which fills the
// audio buffer consumed by the SDL audio thread.
ok = sc_thread_set_priority(SC_THREAD_PRIORITY_TIME_CRITICAL);
if (!ok) {
ok = sc_thread_set_priority(SC_THREAD_PRIORITY_HIGH);
(void) ok; // We don't care if it worked, at least we tried
}
SDL_PauseAudioDevice(ap->device, 0);
return true;