Refactor link code into VisualizerView

1 files changed, 60 insertions, 0 deletions

diff --git a/src/com/pheelicks/visualizer/VisualizerView.java b/src/com/pheelicks/visualizer/VisualizerView.java
index 1ef50ff..8bdf30d 100644
--- a/src/com/pheelicks/visualizer/VisualizerView.java
+++ b/src/com/pheelicks/visualizer/VisualizerView.java
@@ -10,6 +10,7 @@ import android.graphics.Paint;
 import android.graphics.PorterDuff.Mode;
 import android.graphics.PorterDuffXfermode;
 import android.graphics.Rect;
+import android.media.MediaPlayer;
 import android.media.audiofx.Visualizer;
 import android.util.AttributeSet;
 import android.view.View;
@@ -29,6 +30,7 @@ public class VisualizerView extends View {
   private byte[] mBytes;
   private byte[] mFFTBytes;
   private Rect mRect = new Rect();
+  private Visualizer mVisualizer;
 
   private Paint mFlashPaint = new Paint();
   private Paint mFadePaint = new Paint();
@@ -59,6 +61,64 @@ public class VisualizerView extends View {
   }
 
   /**
+   * Links the visualizer to a player
+   * @param player - MediaPlayer instance to link to
+   */
+  public void link(MediaPlayer player)
+  {
+    if(player == null)
+    {
+      throw new NullPointerException("Cannot link to null MediaPlayer");
+    }
+
+    // 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)
+      {
+        updateVisualizer(bytes);
+      }
+
+      @Override
+      public void onFftDataCapture(Visualizer visualizer, byte[] bytes,
+          int samplingRate)
+      {
+        updateVisualizerFFT(bytes);
+      }
+    };
+
+    mVisualizer.setDataCaptureListener(captureListener,
+        Visualizer.getMaxCaptureRate() / 2, true, true);
+
+    // Enabled Visualizer and disable when we're done with the stream
+    mVisualizer.setEnabled(true);
+    player.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
+    {
+      @Override
+      public void onCompletion(MediaPlayer mediaPlayer)
+      {
+        mVisualizer.setEnabled(false);
+      }
+    });
+  }
+
+  /**
+   * Call to release the resources used by VisualizerView. Like with the
+   * MediaPlayer it is good practice to call this method
+   */
+  public void release()
+  {
+    mVisualizer.release();
+  }
+
+
+  /**
    * Pass data to the visualizer. Typically this will be obtained from the
    * Android Visualizer.OnDataCaptureListener call back. See
    * {@link Visualizer.OnDataCaptureListener#onWaveFormDataCapture }