ndk/platforms/android-14/samples/native-media/src/com/example/nativemedia/NativeMedia.java - platform/development.git - Git at Google

 /*
  * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.example.nativemedia;

 import android.app.Activity;
 import android.graphics.SurfaceTexture;
 import android.media.MediaPlayer;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.Surface;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
 import android.widget.Spinner;
 import java.io.IOException;

 public class NativeMedia extends Activity {
     static final String TAG = "NativeMedia";

     String mSourceString = null;
     String mSinkString = null;

     // member variables for Java media player
     MediaPlayer mMediaPlayer;
     boolean mMediaPlayerIsPrepared = false;
     SurfaceView mSurfaceView1;
     SurfaceHolder mSurfaceHolder1;

     // member variables for native media player
     boolean mIsPlayingStreaming = false;
     SurfaceView mSurfaceView2;
     SurfaceHolder mSurfaceHolder2;

     VideoSink mSelectedVideoSink;
     VideoSink mJavaMediaPlayerVideoSink;
     VideoSink mNativeMediaPlayerVideoSink;

     SurfaceHolderVideoSink mSurfaceHolder1VideoSink, mSurfaceHolder2VideoSink;
     GLViewVideoSink mGLView1VideoSink, mGLView2VideoSink;

     /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         setContentView(R.layout.main);

         mGLView1 = (MyGLSurfaceView) findViewById(R.id.glsurfaceview1);
         mGLView2 = (MyGLSurfaceView) findViewById(R.id.glsurfaceview2);

         // initialize native media system
         createEngine();

         // set up the Surface 1 video sink
         mSurfaceView1 = (SurfaceView) findViewById(R.id.surfaceview1);
         mSurfaceHolder1 = mSurfaceView1.getHolder();

         mSurfaceHolder1.addCallback(new SurfaceHolder.Callback() {

             public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
                 Log.v(TAG, "surfaceChanged format=" + format + ", width=" + width + ", height="
                         + height);
             }

             public void surfaceCreated(SurfaceHolder holder) {
                 Log.v(TAG, "surfaceCreated");
                 setSurface(holder.getSurface());
             }

             public void surfaceDestroyed(SurfaceHolder holder) {
                 Log.v(TAG, "surfaceDestroyed");
             }

         });

         // set up the Surface 2 video sink
         mSurfaceView2 = (SurfaceView) findViewById(R.id.surfaceview2);
         mSurfaceHolder2 = mSurfaceView2.getHolder();

         mSurfaceHolder2.addCallback(new SurfaceHolder.Callback() {

             public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
                 Log.v(TAG, "surfaceChanged format=" + format + ", width=" + width + ", height="
                         + height);
             }

             public void surfaceCreated(SurfaceHolder holder) {
                 Log.v(TAG, "surfaceCreated");
                 setSurface(holder.getSurface());
             }

             public void surfaceDestroyed(SurfaceHolder holder) {
                 Log.v(TAG, "surfaceDestroyed");
             }

         });

         // create Java media player
         mMediaPlayer = new MediaPlayer();

         // set up Java media player listeners
         mMediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {

             public void onPrepared(MediaPlayer mediaPlayer) {
                 int width = mediaPlayer.getVideoWidth();
                 int height = mediaPlayer.getVideoHeight();
                 Log.v(TAG, "onPrepared width=" + width + ", height=" + height);
                 if (width != 0 && height != 0 && mJavaMediaPlayerVideoSink != null) {
                     mJavaMediaPlayerVideoSink.setFixedSize(width, height);
                 }
                 mMediaPlayerIsPrepared = true;
                 mediaPlayer.start();
             }

         });

         mMediaPlayer.setOnVideoSizeChangedListener(new MediaPlayer.OnVideoSizeChangedListener() {

             public void onVideoSizeChanged(MediaPlayer mediaPlayer, int width, int height) {
                 Log.v(TAG, "onVideoSizeChanged width=" + width + ", height=" + height);
                 if (width != 0 && height != 0 && mJavaMediaPlayerVideoSink != null) {
                     mJavaMediaPlayerVideoSink.setFixedSize(width, height);
                 }
             }

         });

         // initialize content source spinner
         Spinner sourceSpinner = (Spinner) findViewById(R.id.source_spinner);
         ArrayAdapter<CharSequence> sourceAdapter = ArrayAdapter.createFromResource(
                 this, R.array.source_array, android.R.layout.simple_spinner_item);
         sourceAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         sourceSpinner.setAdapter(sourceAdapter);
         sourceSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

             public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                 mSourceString = parent.getItemAtPosition(pos).toString();
                 Log.v(TAG, "onItemSelected " + mSourceString);
             }

             public void onNothingSelected(AdapterView parent) {
                 Log.v(TAG, "onNothingSelected");
                 mSourceString = null;
             }

         });

         // initialize video sink spinner
         Spinner sinkSpinner = (Spinner) findViewById(R.id.sink_spinner);
         ArrayAdapter<CharSequence> sinkAdapter = ArrayAdapter.createFromResource(
                 this, R.array.sink_array, android.R.layout.simple_spinner_item);
         sinkAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         sinkSpinner.setAdapter(sinkAdapter);
         sinkSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

             public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                 mSinkString = parent.getItemAtPosition(pos).toString();
                 Log.v(TAG, "onItemSelected " + mSinkString);
                 if ("Surface 1".equals(mSinkString)) {
                     if (mSurfaceHolder1VideoSink == null) {
                         mSurfaceHolder1VideoSink = new SurfaceHolderVideoSink(mSurfaceHolder1);
                     }
                     mSelectedVideoSink = mSurfaceHolder1VideoSink;
                 } else if ("Surface 2".equals(mSinkString)) {
                     if (mSurfaceHolder2VideoSink == null) {
                         mSurfaceHolder2VideoSink = new SurfaceHolderVideoSink(mSurfaceHolder2);
                     }
                     mSelectedVideoSink = mSurfaceHolder2VideoSink;
                 } else if ("SurfaceTexture 1".equals(mSinkString)) {
                     if (mGLView1VideoSink == null) {
                         mGLView1VideoSink = new GLViewVideoSink(mGLView1);
                     }
                     mSelectedVideoSink = mGLView1VideoSink;
                 } else if ("SurfaceTexture 2".equals(mSinkString)) {
                     if (mGLView2VideoSink == null) {
                         mGLView2VideoSink = new GLViewVideoSink(mGLView2);
                     }
                     mSelectedVideoSink = mGLView2VideoSink;
                 }
             }

             public void onNothingSelected(AdapterView parent) {
                 Log.v(TAG, "onNothingSelected");
                 mSinkString = null;
                 mSelectedVideoSink = null;
             }

         });

         // initialize button click handlers

         // Java MediaPlayer start/pause

         ((Button) findViewById(R.id.start_java)).setOnClickListener(new View.OnClickListener() {

             public void onClick(View view) {
                 if (mJavaMediaPlayerVideoSink == null) {
                     if (mSelectedVideoSink == null) {
                         return;
                     }
                     mSelectedVideoSink.useAsSinkForJava(mMediaPlayer);
                     mJavaMediaPlayerVideoSink = mSelectedVideoSink;
                 }
                 if (!mMediaPlayerIsPrepared) {
                     if (mSourceString != null) {
                         try {
                             mMediaPlayer.setDataSource(mSourceString);
                         } catch (IOException e) {
                             Log.e(TAG, "IOException " + e);
                         }
                         mMediaPlayer.prepareAsync();
                     }
                 } else if (mMediaPlayer.isPlaying()) {
                     mMediaPlayer.pause();
                 } else {
                     mMediaPlayer.start();
                 }
             }

         });

         // native MediaPlayer start/pause

         ((Button) findViewById(R.id.start_native)).setOnClickListener(new View.OnClickListener() {

             boolean created = false;
             public void onClick(View view) {
                 if (!created) {
                     if (mNativeMediaPlayerVideoSink == null) {
                         if (mSelectedVideoSink == null) {
                             return;
                         }
                         mSelectedVideoSink.useAsSinkForNative();
                         mNativeMediaPlayerVideoSink = mSelectedVideoSink;
                     }
                     if (mSourceString != null) {
                         created = createStreamingMediaPlayer(mSourceString);
                     }
                 }
                 if (created) {
                     mIsPlayingStreaming = !mIsPlayingStreaming;
                     setPlayingStreamingMediaPlayer(mIsPlayingStreaming);
                 }
             }

         });

         // finish

         ((Button) findViewById(R.id.finish)).setOnClickListener(new View.OnClickListener() {

             public void onClick(View view) {
                 finish();
             }

         });

         // Java MediaPlayer rewind

         ((Button) findViewById(R.id.rewind_java)).setOnClickListener(new View.OnClickListener() {

             public void onClick(View view) {
                 if (mMediaPlayerIsPrepared) {
                     mMediaPlayer.seekTo(0);
                 }
             }

         });

         // native MediaPlayer rewind

         ((Button) findViewById(R.id.rewind_native)).setOnClickListener(new View.OnClickListener() {

             public void onClick(View view) {
                 if (mNativeMediaPlayerVideoSink != null) {
                     rewindStreamingMediaPlayer();
                 }
             }

         });

     }

     /** Called when the activity is about to be paused. */
     @Override
     protected void onPause()
     {
         mIsPlayingStreaming = false;
         setPlayingStreamingMediaPlayer(false);
         mGLView1.onPause();
         mGLView2.onPause();
         super.onPause();
     }

     @Override
     protected void onResume() {
         super.onResume();
         mGLView1.onResume();
         mGLView2.onResume();
     }

     /** Called when the activity is about to be destroyed. */
     @Override
     protected void onDestroy()
     {
         shutdown();
         super.onDestroy();
     }

     private MyGLSurfaceView mGLView1, mGLView2;

     /** Native methods, implemented in jni folder */
     public static native void createEngine();
     public static native boolean createStreamingMediaPlayer(String filename);
     public static native void setPlayingStreamingMediaPlayer(boolean isPlaying);
     public static native void shutdown();
     public static native void setSurface(Surface surface);
     public static native void rewindStreamingMediaPlayer();

     /** Load jni .so on initialization */
     static {
          System.loadLibrary("native-media-jni");
     }

     // VideoSink abstracts out the difference between Surface and SurfaceTexture
     // aka SurfaceHolder and GLSurfaceView
     static abstract class VideoSink {

         abstract void setFixedSize(int width, int height);
         abstract void useAsSinkForJava(MediaPlayer mediaPlayer);
         abstract void useAsSinkForNative();

     }

     static class SurfaceHolderVideoSink extends VideoSink {

         private final SurfaceHolder mSurfaceHolder;

         SurfaceHolderVideoSink(SurfaceHolder surfaceHolder) {
             mSurfaceHolder = surfaceHolder;
         }

         void setFixedSize(int width, int height) {
             mSurfaceHolder.setFixedSize(width, height);
         }

         void useAsSinkForJava(MediaPlayer mediaPlayer) {
             // Use the newer MediaPlayer.setSurface(Surface) since API level 14
             // instead of MediaPlayer.setDisplay(mSurfaceHolder) since API level 1,
             // because setSurface also works with a Surface derived from a SurfaceTexture.
             Surface s = mSurfaceHolder.getSurface();
             mediaPlayer.setSurface(s);
             s.release();
         }

         void useAsSinkForNative() {
             Surface s = mSurfaceHolder.getSurface();
             setSurface(s);
             s.release();
         }

     }

     static class GLViewVideoSink extends VideoSink {

         private final MyGLSurfaceView mMyGLSurfaceView;

         GLViewVideoSink(MyGLSurfaceView myGLSurfaceView) {
             mMyGLSurfaceView = myGLSurfaceView;
         }

         void setFixedSize(int width, int height) {
         }

         void useAsSinkForJava(MediaPlayer mediaPlayer) {
             SurfaceTexture st = mMyGLSurfaceView.getSurfaceTexture();
             Surface s = new Surface(st);
             mediaPlayer.setSurface(s);
             s.release();
         }

         void useAsSinkForNative() {
             SurfaceTexture st = mMyGLSurfaceView.getSurfaceTexture();
             Surface s = new Surface(st);
             setSurface(s);
             s.release();
         }

     }

 }
	/*
	* Copyright (C) 2010 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.example.nativemedia;

	import android.app.Activity;
	import android.graphics.SurfaceTexture;
	import android.media.MediaPlayer;
	import android.os.Bundle;
	import android.util.Log;
	import android.view.Surface;
	import android.view.SurfaceHolder;
	import android.view.SurfaceView;
	import android.view.View;
	import android.widget.AdapterView;
	import android.widget.ArrayAdapter;
	import android.widget.Button;
	import android.widget.Spinner;
	import java.io.IOException;

	public class NativeMedia extends Activity {
	static final String TAG = "NativeMedia";

	String mSourceString = null;
	String mSinkString = null;

	// member variables for Java media player
	MediaPlayer mMediaPlayer;
	boolean mMediaPlayerIsPrepared = false;
	SurfaceView mSurfaceView1;
	SurfaceHolder mSurfaceHolder1;

	// member variables for native media player
	boolean mIsPlayingStreaming = false;
	SurfaceView mSurfaceView2;
	SurfaceHolder mSurfaceHolder2;

	VideoSink mSelectedVideoSink;
	VideoSink mJavaMediaPlayerVideoSink;
	VideoSink mNativeMediaPlayerVideoSink;

	SurfaceHolderVideoSink mSurfaceHolder1VideoSink, mSurfaceHolder2VideoSink;
	GLViewVideoSink mGLView1VideoSink, mGLView2VideoSink;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);
	setContentView(R.layout.main);

	mGLView1 = (MyGLSurfaceView) findViewById(R.id.glsurfaceview1);
	mGLView2 = (MyGLSurfaceView) findViewById(R.id.glsurfaceview2);

	// initialize native media system
	createEngine();

	// set up the Surface 1 video sink
	mSurfaceView1 = (SurfaceView) findViewById(R.id.surfaceview1);
	mSurfaceHolder1 = mSurfaceView1.getHolder();

	mSurfaceHolder1.addCallback(new SurfaceHolder.Callback() {

	public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
	Log.v(TAG, "surfaceChanged format=" + format + ", width=" + width + ", height="
	+ height);
	}

	public void surfaceCreated(SurfaceHolder holder) {
	Log.v(TAG, "surfaceCreated");
	setSurface(holder.getSurface());
	}

	public void surfaceDestroyed(SurfaceHolder holder) {
	Log.v(TAG, "surfaceDestroyed");
	}

	});

	// set up the Surface 2 video sink
	mSurfaceView2 = (SurfaceView) findViewById(R.id.surfaceview2);
	mSurfaceHolder2 = mSurfaceView2.getHolder();

	mSurfaceHolder2.addCallback(new SurfaceHolder.Callback() {

	public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
	Log.v(TAG, "surfaceChanged format=" + format + ", width=" + width + ", height="
	+ height);
	}

	public void surfaceCreated(SurfaceHolder holder) {
	Log.v(TAG, "surfaceCreated");
	setSurface(holder.getSurface());
	}

	public void surfaceDestroyed(SurfaceHolder holder) {
	Log.v(TAG, "surfaceDestroyed");
	}

	});

	// create Java media player
	mMediaPlayer = new MediaPlayer();

	// set up Java media player listeners
	mMediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {

	public void onPrepared(MediaPlayer mediaPlayer) {
	int width = mediaPlayer.getVideoWidth();
	int height = mediaPlayer.getVideoHeight();
	Log.v(TAG, "onPrepared width=" + width + ", height=" + height);
	if (width != 0 && height != 0 && mJavaMediaPlayerVideoSink != null) {
	mJavaMediaPlayerVideoSink.setFixedSize(width, height);
	}
	mMediaPlayerIsPrepared = true;
	mediaPlayer.start();
	}

	});

	mMediaPlayer.setOnVideoSizeChangedListener(new MediaPlayer.OnVideoSizeChangedListener() {

	public void onVideoSizeChanged(MediaPlayer mediaPlayer, int width, int height) {
	Log.v(TAG, "onVideoSizeChanged width=" + width + ", height=" + height);
	if (width != 0 && height != 0 && mJavaMediaPlayerVideoSink != null) {
	mJavaMediaPlayerVideoSink.setFixedSize(width, height);
	}
	}

	});

	// initialize content source spinner
	Spinner sourceSpinner = (Spinner) findViewById(R.id.source_spinner);
	ArrayAdapter<CharSequence> sourceAdapter = ArrayAdapter.createFromResource(
	this, R.array.source_array, android.R.layout.simple_spinner_item);
	sourceAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	sourceSpinner.setAdapter(sourceAdapter);
	sourceSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

	public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
	mSourceString = parent.getItemAtPosition(pos).toString();
	Log.v(TAG, "onItemSelected " + mSourceString);
	}

	public void onNothingSelected(AdapterView parent) {
	Log.v(TAG, "onNothingSelected");
	mSourceString = null;
	}

	});

	// initialize video sink spinner
	Spinner sinkSpinner = (Spinner) findViewById(R.id.sink_spinner);
	ArrayAdapter<CharSequence> sinkAdapter = ArrayAdapter.createFromResource(
	this, R.array.sink_array, android.R.layout.simple_spinner_item);
	sinkAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
	sinkSpinner.setAdapter(sinkAdapter);
	sinkSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

	public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
	mSinkString = parent.getItemAtPosition(pos).toString();
	Log.v(TAG, "onItemSelected " + mSinkString);
	if ("Surface 1".equals(mSinkString)) {
	if (mSurfaceHolder1VideoSink == null) {
	mSurfaceHolder1VideoSink = new SurfaceHolderVideoSink(mSurfaceHolder1);
	}
	mSelectedVideoSink = mSurfaceHolder1VideoSink;
	} else if ("Surface 2".equals(mSinkString)) {
	if (mSurfaceHolder2VideoSink == null) {
	mSurfaceHolder2VideoSink = new SurfaceHolderVideoSink(mSurfaceHolder2);
	}
	mSelectedVideoSink = mSurfaceHolder2VideoSink;
	} else if ("SurfaceTexture 1".equals(mSinkString)) {
	if (mGLView1VideoSink == null) {
	mGLView1VideoSink = new GLViewVideoSink(mGLView1);
	}
	mSelectedVideoSink = mGLView1VideoSink;
	} else if ("SurfaceTexture 2".equals(mSinkString)) {
	if (mGLView2VideoSink == null) {
	mGLView2VideoSink = new GLViewVideoSink(mGLView2);
	}
	mSelectedVideoSink = mGLView2VideoSink;
	}
	}

	public void onNothingSelected(AdapterView parent) {
	Log.v(TAG, "onNothingSelected");
	mSinkString = null;
	mSelectedVideoSink = null;
	}

	});

	// initialize button click handlers

	// Java MediaPlayer start/pause

	((Button) findViewById(R.id.start_java)).setOnClickListener(new View.OnClickListener() {

	public void onClick(View view) {
	if (mJavaMediaPlayerVideoSink == null) {
	if (mSelectedVideoSink == null) {
	return;
	}
	mSelectedVideoSink.useAsSinkForJava(mMediaPlayer);
	mJavaMediaPlayerVideoSink = mSelectedVideoSink;
	}
	if (!mMediaPlayerIsPrepared) {
	if (mSourceString != null) {
	try {
	mMediaPlayer.setDataSource(mSourceString);
	} catch (IOException e) {
	Log.e(TAG, "IOException " + e);
	}
	mMediaPlayer.prepareAsync();
	}
	} else if (mMediaPlayer.isPlaying()) {
	mMediaPlayer.pause();
	} else {
	mMediaPlayer.start();
	}
	}

	});

	// native MediaPlayer start/pause

	((Button) findViewById(R.id.start_native)).setOnClickListener(new View.OnClickListener() {

	boolean created = false;
	public void onClick(View view) {
	if (!created) {
	if (mNativeMediaPlayerVideoSink == null) {
	if (mSelectedVideoSink == null) {
	return;
	}
	mSelectedVideoSink.useAsSinkForNative();
	mNativeMediaPlayerVideoSink = mSelectedVideoSink;
	}
	if (mSourceString != null) {
	created = createStreamingMediaPlayer(mSourceString);
	}
	}
	if (created) {
	mIsPlayingStreaming = !mIsPlayingStreaming;
	setPlayingStreamingMediaPlayer(mIsPlayingStreaming);
	}
	}

	});

	// finish

	((Button) findViewById(R.id.finish)).setOnClickListener(new View.OnClickListener() {

	public void onClick(View view) {
	finish();
	}

	});

	// Java MediaPlayer rewind

	((Button) findViewById(R.id.rewind_java)).setOnClickListener(new View.OnClickListener() {

	public void onClick(View view) {
	if (mMediaPlayerIsPrepared) {
	mMediaPlayer.seekTo(0);
	}
	}

	});

	// native MediaPlayer rewind

	((Button) findViewById(R.id.rewind_native)).setOnClickListener(new View.OnClickListener() {

	public void onClick(View view) {
	if (mNativeMediaPlayerVideoSink != null) {
	rewindStreamingMediaPlayer();
	}
	}

	});

	}

	/** Called when the activity is about to be paused. */
	@Override
	protected void onPause()
	{
	mIsPlayingStreaming = false;
	setPlayingStreamingMediaPlayer(false);
	mGLView1.onPause();
	mGLView2.onPause();
	super.onPause();
	}

	@Override
	protected void onResume() {
	super.onResume();
	mGLView1.onResume();
	mGLView2.onResume();
	}

	/** Called when the activity is about to be destroyed. */
	@Override
	protected void onDestroy()
	{
	shutdown();
	super.onDestroy();
	}

	private MyGLSurfaceView mGLView1, mGLView2;

	/** Native methods, implemented in jni folder */
	public static native void createEngine();
	public static native boolean createStreamingMediaPlayer(String filename);
	public static native void setPlayingStreamingMediaPlayer(boolean isPlaying);
	public static native void shutdown();
	public static native void setSurface(Surface surface);
	public static native void rewindStreamingMediaPlayer();

	/** Load jni .so on initialization */
	static {
	System.loadLibrary("native-media-jni");
	}

	// VideoSink abstracts out the difference between Surface and SurfaceTexture
	// aka SurfaceHolder and GLSurfaceView
	static abstract class VideoSink {

	abstract void setFixedSize(int width, int height);
	abstract void useAsSinkForJava(MediaPlayer mediaPlayer);
	abstract void useAsSinkForNative();

	}

	static class SurfaceHolderVideoSink extends VideoSink {

	private final SurfaceHolder mSurfaceHolder;

	SurfaceHolderVideoSink(SurfaceHolder surfaceHolder) {
	mSurfaceHolder = surfaceHolder;
	}

	void setFixedSize(int width, int height) {
	mSurfaceHolder.setFixedSize(width, height);
	}

	void useAsSinkForJava(MediaPlayer mediaPlayer) {
	// Use the newer MediaPlayer.setSurface(Surface) since API level 14
	// instead of MediaPlayer.setDisplay(mSurfaceHolder) since API level 1,
	// because setSurface also works with a Surface derived from a SurfaceTexture.
	Surface s = mSurfaceHolder.getSurface();
	mediaPlayer.setSurface(s);
	s.release();
	}

	void useAsSinkForNative() {
	Surface s = mSurfaceHolder.getSurface();
	setSurface(s);
	s.release();
	}

	}

	static class GLViewVideoSink extends VideoSink {

	private final MyGLSurfaceView mMyGLSurfaceView;

	GLViewVideoSink(MyGLSurfaceView myGLSurfaceView) {
	mMyGLSurfaceView = myGLSurfaceView;
	}

	void setFixedSize(int width, int height) {
	}

	void useAsSinkForJava(MediaPlayer mediaPlayer) {
	SurfaceTexture st = mMyGLSurfaceView.getSurfaceTexture();
	Surface s = new Surface(st);
	mediaPlayer.setSurface(s);
	s.release();
	}

	void useAsSinkForNative() {
	SurfaceTexture st = mMyGLSurfaceView.getSurfaceTexture();
	Surface s = new Surface(st);
	setSurface(s);
	s.release();
	}

	}

	}