Strange behaviour with mediaplayer and seekTo
- by Mathias Lin
I'm implementing a custom video player because I need custom video controls. I have an app with only one activity, which on startup shall start playing a video right away.
Now, the problem I have is:
I don't want the video to start from the beginning, but from a later position. Therefore I do a seekTo(16867). Since seekTo is asynchronous, I place the start call of the mediaplayer (player.start()) in the onSeekComplete of the onSeekCompleteListener.
The strange behaviour I experience though is that I can see/hear the video playing from the beginning for a few millisecs before it actually plays from/jumps to the position I seeked to.
But - on the other hand - the Log output I call before the player.start returns the correct position 16867, where I seeked to.
Below is the relevant code section, the complete class is at http://pastebin.com/jqAAFsuX
(I'm on Nexus One / 2.2 StageFright)
private void playVideo(String url) {
try {
btnVideoPause.setEnabled(false);
if (player==null) {
player=new MediaPlayer();
player.setScreenOnWhilePlaying(true);
}
else {
player.stop();
player.reset();
}
url = "/sdcard/myapp/main/videos/main.mp4"; // <--- just for test purposes hardcoded here now
player.setDataSource(url);
player.setDisplay(holder);
player.setAudioStreamType(AudioManager.STREAM_MUSIC);
player.setOnCompletionListener(this);
player.setOnPreparedListener(this);
player.setOnSeekCompleteListener(new MediaPlayer.OnSeekCompleteListener() {
public void onSeekComplete(MediaPlayer mediaPlayer) {
Log.d("APP", "current pos... "+ player.getCurrentPosition() );
player.start(); // <------------------ start video on seek completed
player.setOnSeekCompleteListener(null);
}
});
player.prepareAsync();
}
catch (Throwable t) {
Log.e(TAG, "Exception in btnVideoPause prep", t);
}
}
public void onPrepared(MediaPlayer mediaplayer) {
width=player.getVideoWidth();
height=player.getVideoHeight();
if (width!=0 && height!=0) {
holder.setFixedSize(width, height);
progressBar.setProgress(0);
progressBar.setMax(player.getDuration());
player.seekTo(16867); // <------------------ seeking to position
}
btnVideoPause.setEnabled(true);
}
