Android Open Source - yammp Visualizer Wrapper

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

package org.yammp.util;
// w w  w  .  j  av a  2s  .  c  o  m
public class VisualizerWrapper {

  public static VisualizerCompat getInstance(int audioSessionId, int fps) {
    if (isAudioFXSupported())
      return new VisualizerCompatAudioFX(audioSessionId, fps);
    else if (isScoopSupported()) return new VisualizerCompatScoop(audioSessionId, fps);
    return null;
  }

  private static boolean isAudioFXSupported() {
    try {
      Class.forName("android.media.audiofx.Visualizer");
    } catch (Exception e) {
      return false;
    }
    return true;
  }

  private static boolean isScoopSupported() {
    try {
      Class.forName("android.media.MediaPlayer").getMethod("snoop", short[].class, int.class);
    } catch (Exception e) {
      return false;
    }
    return true;
  }

  public interface OnDataChangedListener {

    public void onFftDataChanged(byte[] data, int len);

    public void onWaveDataChanged(byte[] data, int len, boolean scoop);
  }

}

Java Source Code List

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