!7

import javax.sound.sampled.*;

cmodule AudioInputFromPhone > DynPrintLog {

  switchable int sampleRate = 16000;

  switchable int channels = 1;

  switchable int bufSize = 8192;

  switchable bool sendOutClonedData; // makes things easier for clients

  switchable bool verbose;

  transient AudioInputDispatcher loop;

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

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

  visual centerAndSouthWithMargins(super.visualize(),

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

  start {

    loop = new AudioInputDispatcher(bufSize);

    loop.audioListeners = audioListeners;

    loop.lvVolume = lvVolume;

    loop.verbose = verbose;

    dm_watchFieldAndNow sendOutClonedData(() -> { loop.cloneDataOnce = sendOutClonedData; });

    dm_vmBus_onMessage oic_gotLine(voidfunc(O module, S line, O socket, O state) enter {

      if (startsWith(line, "audio: ")) {

        //print("Have audio line");

        byte[] data = base64decode(substring(line, l("audio: ")));

        dm_q(r {

          loop.handleData(data);

        });

      }

    });

    dm_registerAs audioInputModule();

    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!; }

  // for debugging

  O currentListener() { ret loop.currentListener; }

}