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Fix switch audio delay with SDL_ClearQueuedAudio

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h0neybadger 2021-01-04 11:08:57 +01:00 • committed by Florian Märkl
commit b9a9ea497c
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1 changed files with 10 additions and 0 deletions
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10
switch/src/io.cpp
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@ -291,6 +291,16 @@ void IO::AudioCB(int16_t *buf, size_t samples_count)
else else
buf[x] = (int16_t)sample; buf[x] = (int16_t)sample;
} }
int audio_queued_size = SDL_GetQueuedAudioSize(this->sdl_audio_device_id);
if(audio_queued_size > 16000)
{
// clear audio queue to avoid big audio delay
// average values are close to 13000 bytes
CHIAKI_LOGW(this->log, "Triggering SDL_ClearQueuedAudio with queue size = %d", audio_queued_size);
SDL_ClearQueuedAudio(this->sdl_audio_device_id);
}
int success = SDL_QueueAudio(this->sdl_audio_device_id, buf, sizeof(int16_t) * samples_count * 2); int success = SDL_QueueAudio(this->sdl_audio_device_id, buf, sizeof(int16_t) * samples_count * 2);
if(success != 0) if(success != 0)
CHIAKI_LOGE(this->log, "SDL_QueueAudio failed: %s\n", SDL_GetError()); CHIAKI_LOGE(this->log, "SDL_QueueAudio failed: %s\n", SDL_GetError());