[英]How to start two media players at the same time (and let play synchronously)?
例如:我有兩種聲音。 兩者持續40秒。 我需要同時啟動它們。 這是我的方法:
private void startPlaying() {
mPlayerDrums = MediaPlayer.create(this, mCurrentDrumResId);
mPlayerDrums.setLooping(true);
mPlayerTrack = MediaPlayer.create(this, mCurrentTrackResId);
mPlayerTrack.setLooping(true);
if (STATE == STATE_PLAY) {
mPlayerDrums.start();
mPlayerTrack.start();
}
setPlayersVolume(mSeekbar.getProgress());
}
但有時它們不能同步播放。 從日志中(每400毫秒顯示一次播放器的位置):
05-03 14:47:01.190: V/wise(23335): drums pos 0 track pos 0
05-03 14:47:01.600: V/wise(23335): drums pos 93 track pos 0
05-03 14:47:02.001: V/wise(23335): drums pos 766 track pos 766
05-03 14:47:02.401: V/wise(23335): drums pos 1138 track pos 1138
05-03 14:47:02.801: V/wise(23335): drums pos 1556 track pos 1509
05-03 14:47:03.202: V/wise(23335): drums pos 1950 track pos 1950
您可以使用CyclingBarrier一次啟動兩個玩家。 像這樣的東西
CyclicBarrier cyclicBarrier = new CyclingBarrier(2);
public void onPrepared(MediaPlayer player) {
new StartThread(player).start();
}
public class StartThread extends Thread {
private MediaPlayer player;
public StartThread(MediaPlayer player) {
this.player = player;
}
@Override
public void run(){
cyclingBarrier.await();
player.start();
}
}
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