!7

import static x30_pkg.x30_util.VF1;

module ReceiveAudio > DynPrintLog {
  bool enabled;
  float gain = 0.5f;
  transient StreamingSoundSource soundSource;
  transient GainSoundSource gainSource;

  start {
    onChange(r {
      set(gainSource, gain := (double) gain);
      if (soundSource != null) soundSource.setEnabled(enabled);
    });
    soundSource = new StreamingSoundSource;
    dm_addSoundSource(gainSource = GainSoundSource(gain, soundSource));
    ownResource(vmBus_onMessage('gotFromPrivateChat, voidfunc(S sender, S msg) {
      if (enabled && startsWith(msg, "audio:"))
        soundSource.addChunk(shortArrayFromBytes_littleEndian(base64decode(substring(msg, 6))));
    }));
  }
  
  visualize {
    ret centerAndSouth(super.visualize(),
      centerAndEast(
        withLabel("Volume (0-200%):", liveSliderZeroToOne(gain/2, voidfunc(float f) { setField(gain := f*2) })),
        dm_fieldCheckBox('enabled)));
  }
}

Began life as a copy of #1019651