!7

lib 1400132 // spectro edit compiled for Java 8

import net.bluecow.spectro.Clip;

p-exp {

  File mp3 = william_silent("hello");

  File wav = programFile("hello.wav");

  if (!wav.exists())

    mp3ToWAV_jave(mp3, wav);

  Clip clip = Clip.newInstance(wav);

  int w = clip.getFrameCount(), h = clip.getFrameFreqSamples();

  int h2 = min(h, 250);

  BWImage img = new(w, h2);

  Rectangle region = new(0, 0, w, h);

  toClipCoords(region, clip);

  int endCol = region.x + region.width;

  int endRow = min(region.y + region.height, h2);

  print("y=" + region.y + " to " + endRow);

  for (int col = region.x; col < endCol; col++) {

    net.bluecow.spectro.Frame f = clip.getFrame(col);

    for (int row = region.y; row < endRow; row++)

      img.setPixel(col, h2-1-row, (float) f.getReal(row));

  }

  showBWImage(img);

}

svoid toClipCoords(Rectangle r, Clip clip) {

  r.y = clip.getFrameFreqSamples() - (r.y + r.height);

}