!7

cmodule AudioInput > DynPrintLog {

  switchable float sampleRate = 44100;

  switchable int channels = 1;

  int bufSize = 40960;

  transient recordToAudioListeners_AudioLoop loop;

  transient SimpleLiveValue<Float> lvVolume = floatLiveValue(); // in percent

  transient L<VF1<short[]>> audioListeners = synchroList();

  visualize {

    ret centerAndSouthWithMargins(super.visualize(),

      jCenteredLine(jLiveValueLabel(mapLiveValue(func(float volume) -> S { "Volume: " + iround(volume) + " %" }, S, lvVolume))));

  }

  start {

    ownTimer(loop = recordToAudioListeners(audioListeners, bufSize, lvVolume, getAudioFormat()));

    loop.start();

    JComponent trayIcon = jMinWidth(16, jVerticalGreenBar(lvVolume, max := 100));

    componentPopupMenuItem(trayIcon, "Audio Input", r { dm_showModule(module()) });

    dm_setTrayIcon(trayIcon);

  }

  // hold audio listeners during reload

  O _getReloadData() { ret audioListeners; }

  void _setReloadData(L<VF1<short[]>> listeners) { addAll(audioListeners, listeners); }

  // API

  void addAudioListener(VF1<short[]> l) { audioListeners.add(l); }

  void removeAudioListener(VF1<short[]> l) { audioListeners.remove(l); }

  AudioFormat getAudioFormat() { ret new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, sampleRate, 16, channels, channels*2, sampleRate, false); }

  float getVolume() { ret lvVolume!; }

}