android媒体播放器播放预告片

命令播放器初始化已完成,但出现错误或失败 02-02 13:40:33.696:错误/MediaPlayer(805):错误(1,-1) 02-02 13:40:33.706:错误/MediaPlayer(805):错误(1,-1)

牵引杆= http://uk.clip-1.filmtrailer.com/3230_8406_a_4.wmv?log_var=103|441100218-1|-

private final void playTrailler(String url)throws IOException, IllegalArgumentException {
        MediaPlayer mp = new MediaPlayer();
        Log.v(TAG, "Trailler: " + url);
        mp.setDataSource(url);
        mp.setOnPreparedListener(this);
        mp.prepareAsync();
    }


public void onPrepared(MediaPlayer mp) {
        mp.start();

    }