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audiosdl: fix channel count & print a char when underrun

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This commit is contained in:
Jeff Epler 2025-05-26 09:12:16 +02:00
parent 882a00511e
commit ffd16305f9
1 changed files with 2 additions and 1 deletions
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3
shared-module/audiosdl/AudioOut.c
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@ -44,6 +44,7 @@ static void audio_callback(void *self_in, Uint8 *stream_in, int len_bytes) {
SDL_AudioStreamGet(self->stream, stream_in, n_copy_bytes);
if (n_copy_bytes < len_bytes) {
write(2, "U", 1);
// set any remaining samples to zero, it causes a playback gap
memset(stream_in + n_copy_bytes, 0, len_bytes - n_copy_bytes);
}
@ -69,7 +70,7 @@ void common_hal_audiosdl_audioout_construct(audiosdl_audioout_obj_t *self,
SDL_zero(desired);
desired.freq = sample_rate;
desired.channels = 1;
desired.channels = 2;
desired.samples = 512;
desired.userdata = self;
desired.callback = audio_callback;