Hi,
I have written a small app which plays video files. Some files are
playing nicely.
but some files's view is not visible, but I am able to listen the
audio.
I dont know why?
Can any one please suggest me where I am doing the wrong?
here is my code:
package bluemediaLab.vodcast1;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.widget.Toast;
public class MediaPlayerDemo_Video extends Activity implements
MediaPlayer.OnBufferingUpdateListener,
MediaPlayer.OnCompletionListener,
MediaPlayer.OnPreparedListener, SurfaceHolder.Callback {
private static final String TAG = "MediaPlayerDemo";
private int mVideoWidth;
private int mVideoHeight;
private MediaPlayer mMediaPlayer;
private SurfaceView mPreview;
private SurfaceHolder holder;
private String path;
private Bundle extras;
private static final String MEDIA = "media";
private static final int LOCAL_AUDIO = 1;
private static final int STREAM_AUDIO = 2;
private static final int RESOURCES_AUDIO = 3;
private static final int LOCAL_VIDEO = 4;
private static final int STREAM_VIDEO = 5;
/**
*
* Called when the activity is first created.
*/
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.mediaplayer_2);
mPreview = (SurfaceView) findViewById(R.id.surface);
holder = mPreview.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
extras = getIntent().getExtras();
}
private void playVideo(Integer Media) {
try {
switch (Media) {
case LOCAL_VIDEO:
/*
* TODO: Set the path variable to a local media
file path.
*/
path = "";
if (path == "") {
// Tell the user to provide a media file URL.
Toast
.makeText(
MediaPlayerDemo_Video.this,
"Please edit
MediaPlayerDemo_Video Activity, "
+ "and set the path
variable to your media file path."
+ " Your media file
must be stored on sdcard.",
Toast.LENGTH_LONG).show();
}
break;
case STREAM_VIDEO:
/*
* TODO: Set path variable to progressive
streamable mp4 or
* 3gpp format URL. Http protocol should be used.
* Mediaplayer can only play "progressive
streamable
* contents" which basically means: 1. the movie
atom has to
* precede all the media data atoms. 2. The clip
has to be
* reasonably interleaved.
*
*/
// path = "http://feeds.nos.nl/~r/journaal/
~5/531307337/NOS_Journaal_VODcast_std_4-2-2009_7_00_53.mp4";
path = extras.getString("MediaFileName");
if (path == "") {
// Tell the user to provide a media file URL.
Toast
.makeText(
MediaPlayerDemo_Video.this,
"Please edit
MediaPlayerDemo_Video Activity,"
+ " and set the path
variable to your media file URL.",
Toast.LENGTH_LONG).show();
}
break;
}
// Create a new media player and set the listeners
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(path);
mMediaPlayer.setDisplay(holder);
//mMediaPlayer.prepare();
mMediaPlayer.prepareAsync();// added by manoj on 28-2-9,
its suggestion from the media api, for streams.
mMediaPlayer.setOnBufferingUpdateListener(this);
//mMediaPlayer.setOnCompletionListener(this);//commented
by manoj.
mMediaPlayer.setOnPreparedListener(this);
//mMediaPlayer.setAudioStreamType
(AudioManager.STREAM_MUSIC);
} catch (Exception e) {
Log.e(TAG, "error: " + e.getMessage(), e);
}
}
public void onBufferingUpdate(MediaPlayer arg0, int percent) {
Log.d(TAG, "onBufferingUpdate percent:" + percent);
if(arg0.isPlaying())
{
Log.i("isPlaying() is ","true");
}
else
{
Log.i("isPlaying() is ","false");
}
if(percent == 100)
{
Log.i("onBufferingUpdate"," -> NOW SET TO ONCOMPLETION
LISTENER!!!");
mMediaPlayer.setOnCompletionListener(this);
}
}
public void onCompletion(MediaPlayer arg0) {
Log.d(TAG, "onCompletion called");
finish();
}
public void onPrepared(MediaPlayer mediaplayer) {
Log.d(TAG, "onPrepared called");
mVideoWidth = mMediaPlayer.getVideoWidth();
mVideoHeight = mMediaPlayer.getVideoHeight();
if (mVideoWidth != 0 && mVideoHeight != 0) {
holder.setFixedSize(mVideoWidth, mVideoHeight);
mMediaPlayer.setScreenOnWhilePlaying(true); //?? WHY ???
mMediaPlayer.start();
}
}
public void surfaceChanged(SurfaceHolder surfaceholder, int i, int
j, int k) {
Log.d(TAG, "surfaceChanged called");
}
public void surfaceDestroyed(SurfaceHolder surfaceholder) {
Log.d(TAG, "surfaceDestroyed called");
}
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub
Log.d(TAG, "surfaceCreated called");
playVideo(extras.getInt(MEDIA));
}
@Override
protected void onDestroy() {
super.onDestroy();
// TODO Auto-generated method stub
if (mMediaPlayer != null) {
mMediaPlayer.release();
mMediaPlayer = null;
}
}
}
Thanks,
Manoj.
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