!7

static JButton btn;
static Flag flag; // stop flag

static AudioFormat format;

p {
  format = javaSound_monoCDQuality°;
  swing {
    showControls(jcenteredline(btn = jbutton("Start", f btn)));
  }
  start();
}

svoid btn {
  if (flag == null || flag.isUp()) start(); else stop();
}

svoid start ctex {
  setText(btn, "Stop");
  flag = new Flag;

  final OutputStream out = new MonoSamplesForwarder(f handleAudio);
  MonoSamplesForwarder.debug = true;
    
  thread {
    captureAudioFromLine3(format, out, flag);
    print("Done");
  }
}

svoid stop {
  setText(btn, "Start");
  flag.raise();
}

svoid handleAudio(float[] f) {
  print("Have " + l(f) + " floats. Volume=" + audio_rmsVolume(f));
  //if (l(f) >= 8) print(struct(subArray(f, 0, 8)));
}