artcraft/src/main.rs

extern crate cpal;
extern crate hound;
extern crate sample;
extern crate sonogram;
extern crate wavy;

use wavy::*;

use std::collections::VecDeque;

fn main() {
  println!("Run");
  record().unwrap();
}

fn record() -> Result<(), AudioError> {
  // Connect to the speaker and microphone systems.
  let mut mic = MicrophoneSystem::new(SampleRate::Normal)?;
  let mut speaker = SpeakerSystem::new(SampleRate::Normal)?;

  let mut buffer = VecDeque::new();

  loop {
    // Record some sound.
    mic.record(&mut |_whichmic, l, r| {
      buffer.push_back((l, r));
    });

    // Play that sound.
    speaker.play(&mut || {
      if let Some((lsample, rsample)) = buffer.pop_front() {
        AudioSample::stereo(lsample, rsample)
      } else {
        // Play silence if not enough has been recorded yet.
        AudioSample::stereo(0, 0)
      }
    });
  }
}