5 use sdl2::audio::{AudioCallback, AudioDevice, AudioSpecDesired};
14 impl AudioCallback for XmCallback {
17 fn callback(&mut self, out: &mut [f32]) {
18 self.xm.generate_samples(out);
22 pub struct SoundPlayer {
23 _device: AudioDevice<XmCallback>,
26 fn play_xm(raw_xm: &[u8]) -> SoundPlayer {
27 let sdl_context = sdl2::init().unwrap();
28 let sdl_audio = sdl_context.audio().unwrap();
30 let sample_rate = 48000u32;
31 let desired_spec = AudioSpecDesired {
32 freq: Some(sample_rate as i32),
36 let device = sdl_audio.open_playback(None, &desired_spec, |actual_spec| {
37 let xm = XMContext::new(&raw_xm, actual_spec.freq as u32).unwrap();
51 pub fn start() -> SoundPlayer {
52 let mut xm = Vec::new();
53 let filename = "flora.xm";
54 File::open(filename).unwrap()
55 .read_to_end(&mut xm).unwrap();