ios - 重用 AVPlayer 实例播放视频的问题

Question

我要在两个屏幕上播放相同的视频，同时保持寻道时间。这样我AVPlayer就可以在这些屏幕中重用实例。第一次AVPlayer工作正常，但每当它被重用时，播放器的帧从左上角动画以适合播放开始时的目标视图。

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代码看起来像，

    if myObj._playerResult != nil {
        _player = myObj._playerResult //reuse player instance
    } else {
        // First create an AVPlayerItem
        let playerItem : AVPlayerItem = AVPlayerItem(URL: NSURL(string:sVideoUrl as String))
        _player = AVPlayer(playerItem: playerItem)
    }

    playerController = AVPlayerViewController()
    playerController?.showsPlaybackControls = false
    playerController?.player = _player
    playerController!.view.frame = targetView.bounds 
    targetView.addSubview(playerController!.view)       
    _player?.play()