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smol touch of polish on the sdl2 audio path

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lif 2019-11-16 21:34:28 -08:00
parent 4e22289ef0
commit ae4cebef6f
1 changed files with 6 additions and 7 deletions
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13
src/bin/example.rs
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@ -87,7 +87,9 @@ impl MyEmulator {
let mut audio_spec = None; let mut audio_spec = None;
let audio_device = audio let audio_device = audio
.open_playback(None, &desired_spec, |spec| { .open_playback(None, &desired_spec, |spec| {
println!("audio format {:?}", spec.format); if spec.format != AudioFormat::S16LSB {
println!("unsupported audio format {:?}", spec.format);
}
audio_spec = Some(spec.clone()); audio_spec = Some(spec.clone());
MySdlAudio { MySdlAudio {
audio_spec: spec, audio_spec: spec,
@ -254,13 +256,10 @@ impl AudioCallback for MySdlAudio {
type Channel = i16; type Channel = i16;
fn callback(&mut self, out: &mut [Self::Channel]) { fn callback(&mut self, out: &mut [Self::Channel]) {
match self.audio_spec.format { if self.audio_spec.format == AudioFormat::S16LSB {
AudioFormat::S16LSB | AudioFormat::U16LSB => { if let Ok(samples) = self.audio_receiver.recv() {
if let Ok(samples) = self.audio_receiver.recv() { out.copy_from_slice(&samples[..out.len()]);
out.copy_from_slice(&samples[..out.len()]);
}
} }
_ => {}
} }
} }
} }