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!7

cmodule BaseDrumFinder > DynPrintLog {
  double windowSize = 5.0; // seconds
  int imageHeight = 10; // must be >= segmenter.gridSize
  transient ISegmenter segmenter;
  transient new L<float[]> buf;
  transient int bufSize;
  transient BWImage lastImage;

  start {
    dm_requireLiveAudioFFT();
    segmenter = segmenterFromAGIBlue("Find base drum #1");
    
    dm_vmBus_onMessage_q newAudioFrequencyImage(voidfunc(virtual BWImage img) {
      buf.add(bwImageColumnBrightnesses_generic(img));
      bufSize += l(last(buf));
      if (bufSize >= audio_estimatedFrequencyImageWidth(windowSize)) {
        print("Have img! " + l(buf));
        lastImage = floatArraysToBWImageColumns(h);
        buf.clear(); bufSize = 0;
        ranges = map rectXRange(segmenter.get(lastImage));
        print(+ranges);
      }
    });
  }
}