!7

import static x30_pkg.x30_util.VF1;

sclass DemoAudioLoop > DynPrintLog {
  transient short[] loop;
  transient VF1<double[]> source;
  transient GainSoundSource gainSource;
  float gain = 0.5f;
  
  start {
    onChange(r {
      set(gainSource, gain := (double) gain);
      if (soundSource != null) soundSource.setEnabled(enabled);
    });
    
    // download & load WAV
    loop = decodeWAVToStereoSamples(loadLibrary(#1400093));
    
    // Make sound source & add to audio output module
    dm_addSoundSource(
      gainSource = GainSoundSource(gain,
        source = stereoSamplesIterator(loop)));
  }
}