-struct XmCallback {
- xm: XMContext,
-}
-
-impl AudioCallback for XmCallback {
- type Channel = f32;
-
- fn callback(&mut self, out: &mut [f32]) {
- self.xm.generate_samples(out);
- }
-}
-
-struct SoundPlayer {
- _device: AudioDevice<XmCallback>,
-}
-
-fn play_xm(raw_xm: &[u8]) -> SoundPlayer {
- let sdl_context = sdl2::init().unwrap();
- let sdl_audio = sdl_context.audio().unwrap();
-
- let sample_rate = 48000u32;
- let desired_spec = AudioSpecDesired {
- freq: Some(sample_rate as i32),
- channels: Some(2u8),
- samples: None,
- };
- let device = sdl_audio.open_playback(None, &desired_spec, |actual_spec| {
- let xm = XMContext::new(&raw_xm, actual_spec.freq as u32).unwrap();
-
- XmCallback {
- xm: xm,
- }
- }).unwrap();
-
- device.resume();
-
- SoundPlayer {
- _device: device,
- }
-}
-