Added (messy) Visualizer code

1 files changed, 51 insertions, 0 deletions

diff --git a/src/com/pheelicks/visualizer/VisualizerActivity.java b/src/com/pheelicks/visualizer/VisualizerActivity.java
index b56be76..795e90e 100644
--- a/src/com/pheelicks/visualizer/VisualizerActivity.java
+++ b/src/com/pheelicks/visualizer/VisualizerActivity.java
@@ -2,11 +2,13 @@ package com.pheelicks.visualizer;
 
 import android.app.Activity;
 import android.media.MediaPlayer;
+import android.media.audiofx.Visualizer;
 import android.os.Bundle;
 import android.view.View;
 
 public class VisualizerActivity extends Activity {
   private MediaPlayer mPlayer;
+  private Visualizer mVisualizer;
 
   /** Called when the activity is first created. */
   @Override
@@ -16,6 +18,55 @@ public class VisualizerActivity extends Activity {
 
     mPlayer = MediaPlayer.create(this, R.raw.test);
     mPlayer.setLooping(true);
+
+    linkVisualizer(mPlayer);
+  }
+
+  /**
+   * Links the visualizer to  a player
+   * TODO Refactor this into visualizer
+   * @param player
+   */
+  private void linkVisualizer(MediaPlayer player)
+  {
+
+    final VisualizerView visualizerView = (VisualizerView) findViewById(R.id.visualizerView);
+
+    // Create the Visualizer object and attach it to our media player.
+    mVisualizer = new Visualizer(player.getAudioSessionId());
+    mVisualizer.setCaptureSize(Visualizer.getCaptureSizeRange()[1]);
+
+    // Pass through Visualizer data to VisualizerView
+    Visualizer.OnDataCaptureListener captureListener = new Visualizer.OnDataCaptureListener()
+    {
+      @Override
+      public void onWaveFormDataCapture(Visualizer visualizer, byte[] bytes,
+          int samplingRate)
+      {
+        visualizerView.updateVisualizer(bytes);
+      }
+
+      @Override
+      public void onFftDataCapture(Visualizer visualizer, byte[] bytes,
+          int samplingRate)
+      {
+        visualizerView.updateVisualizerFFT(bytes);
+      }
+    };
+
+    mVisualizer.setDataCaptureListener(captureListener,
+        Visualizer.getMaxCaptureRate() / 2, true, true);
+
+    // Enabled Visualizer and disable when we're done with the stream
+    mVisualizer.setEnabled(true);
+    mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
+    {
+      @Override
+      public void onCompletion(MediaPlayer mediaPlayer)
+      {
+        mVisualizer.setEnabled(false);
+      }
+    });
   }
 
   public void startPressed(View view)