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Rust
at main
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788use std::{num::NonZero, time::Duration};
use cpal::traits::{DeviceTrait, HostTrait};use torque_tracker_engine::{ AudioManager, OutputConfig, ToWorkerMsg, audio_processing::Interpolation, project::{ event_command::NoteCommand, note_event::{Note, NoteEvent, VolumeEffect}, song::{Song, SongOperation}, }, sample::{Sample, SampleMetaData, VibratoWave},};
fn main() { let mut manager = AudioManager::new(Song::default()); let mut reader = hound::WavReader::open("test-files/770_Hz_Tone.wav").unwrap(); let spec = reader.spec(); println!("sample specs: {spec:?}"); assert!(spec.channels == 1); let sample_data = reader .samples::<i16>() .map(|result| <f32 as dasp_sample::Sample>::from_sample(result.unwrap())); let sample = Sample::new_mono(sample_data); let meta = SampleMetaData { sample_rate: NonZero::new(spec.sample_rate).unwrap(), default_volume: 150, global_volume: 20, default_pan: None, vibrato_speed: 0, vibrato_depth: 0, vibrato_rate: 0, vibrato_waveform: VibratoWave::default(), base_note: Note::new(64).unwrap(), };
manager .try_edit_song() .unwrap() .apply_operation(SongOperation::SetSample(1, meta, sample)) .unwrap();
let host = cpal::default_host(); let default_device = host.default_output_device().unwrap(); let default_config = default_device.default_output_config().unwrap(); println!("default config {:?}", default_config); println!("device: {:?}", default_device.name()); let config = OutputConfig { buffer_size: 2048, sample_rate: NonZero::new(default_config.sample_rate().0).unwrap(), interpolation: Interpolation::Quadratic, };
let (mut audio_callback, _, _, mut send) = manager.get_callback::<()>(config, ()); let stream = default_device .build_output_stream( &default_config.config(), move |data, _| { if let Some(finished) = audio_callback.render(data.len(), ()) { let (stereo, []) = data.as_chunks_mut::<2>() else { panic!(); }; stereo .iter_mut() .zip(finished.iter().copied()) .for_each(|(out, rendered)| *out = rendered.into()); } }, |e| eprintln!("{e:?}"), None, ) .unwrap();
let note_event = NoteEvent { note: Note::new(30).unwrap(), sample_instr: 1, vol: VolumeEffect::None, command: NoteCommand::None, }; send.try_msg_worker(ToWorkerMsg::PlayEvent(note_event)) .unwrap(); std::thread::sleep(Duration::from_secs(1)); send.try_msg_worker(ToWorkerMsg::PlayEvent(note_event)) .unwrap(); std::thread::sleep(Duration::from_secs(3)); drop(stream);}