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我遇到了一个与 AVPlayer 相关的非常奇怪的问题，即视频冻结，时间和播放器进度连续移动。

以前我的代码在 swift 4 中，当时不存在这个问题。我已更新代码以支持 swift 5 并且当前使用 xcode-11.3 并且出现此问题。

这些日志正在打印：

  • maxSFB long 超过最大允许值
  • 反序列化 ICS 信息时出错
  • 解码数据包错误

请检查相同的屏幕截图

错误日志 1 错误日志 2

//Variables
var avPlayerViewController: AVPlayerViewController?
fileprivate var avPlayer: AVPlayer?
weak var delegate: OBVideoPlayerDelegate?
var urlString: String = ""

       func setup() {

          let resourceLoaderManager = VIResourceLoaderManager()
          self.resourceLoaderManager = resourceLoaderManager

          playerItem = resourceLoaderManager.playerItem(with: url)

          playerItem?.canUseNetworkResourcesForLiveStreamingWhilePaused = true
          avPlayer = AVPlayer(playerItem: playerItem)
          avPlayerViewController = AVPlayerViewController()

          avPlayerViewController?.player = avPlayer
          avPlayerViewController?.view.frame = self.bounds
      avPlayerViewController?.videoGravity = AVLayerVideoGravity.resizeAspectFill

        avPlayerViewController?.addObserver(self, forKeyPath: OBVideoPlayerView.kVideoBoundKey, options: NSKeyValueObservingOptions.new, context: nil)

        //Play
        self.play()

        periodicTimeObserverReference = avPlayer?.addPeriodicTimeObserver(forInterval: CMTimeMakeWithSeconds(1, preferredTimescale: 1), queue: DispatchQueue.main) { (CMTime) -> Void in
            self.handlePlayerStatus()
        }
        NotificationCenter.default.addObserver(self, selector: #selector(self.playerDidFinishPlaying(note:)), name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: avPlayer?.currentItem)
        playerItem?.addObserver(self, forKeyPath: "status", options: .init(rawValue: 0), context: nil)
        playerItem?.addObserver(self, forKeyPath: "playbackLikelyToKeepUp", options: [.initial, .new], context: nil)

}

//Play video
func play() {
    self.delegate?.videoWillStartPlaying?(playerView: self)
    avPlayer?.playImmediately(atRate: 1.0)
}

@objc func playAgain() {
    avPlayer?.playImmediately(atRate: 1.0)
}

//Pause video
func pause() {
    self.delegate?.videoWillPause?()
    avPlayer?.pause()

}

另请查看卡在此错误视频链接中的视频： https ://drive.google.com/file/d/15Y17GmX4kebE385x0u_2rBqcL4GPhtJF/view?usp=sharing

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