add old "main.rs" as "weird.rs", add debugging to beep

examples/weird.rs

@@ -0,0 +1,61 @@
+
+extern crate cpal;
+extern crate hound;
+extern crate sample;
+//extern crate signal;
+extern crate sonogram;
+extern crate wavy;
+
+use wavy::*;
+//use signal;
+
+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::Sparse)?;
+
+  let mut buffer = VecDeque::new();
+
+/*  // Convert a signal to its RMS.
+let signal = signal::rate(44_100.0).const_hz(440.0).sine();;
+let ring_buffer = ring_buffer::Fixed::from([[0.0]; WINDOW_SIZE]);
+let mut rms_signal = signal.rms(ring_buffer);*/
+
+  loop {
+    // Record some sound.
+    mic.record(&mut |_whichmic, l, r| {
+      buffer.push_back((l, r));
+    });
+
+    let mut last_rsample = None;
+    let mut last_lsample = None;
+    
+    // Play that sound.
+    speaker.play(&mut || {
+      if let Some((lsample, rsample)) = buffer.pop_front() {
+        //let rsample = rsample.saturating_mul(2);
+        //let lsample = lsample.saturating_mul(2);
+        last_rsample = Some(rsample);
+        last_lsample = Some(lsample);
+        /*let swap = rsample;
+        let rsample = lsample;
+        let lsample = swap;*/
+        AudioSample::stereo(lsample, rsample)
+      } else {
+        // Play silence if not enough has been recorded yet.
+        //let rsample = last_rsample.unwrap_or(0);
+        //let lsample = last_lsample.unwrap_or(0);
+        let rsample = 0;
+        let lsample = 0;
+        AudioSample::stereo(rsample, lsample)
+      }
+    });
+  }
+}