当我尝试从url播放视频时,AVPlayer无法播放视频。但是当我尝试下载并播放视频时,它可以播放。我做错了什么?
self.avAsset = AVAsset(URL: NSURL(string: contentURLString)!)
let item = AVPlayerItem(asset: avAsset)
avPlayer = AVPlayer(playerItem: item)
playerLayer = AVPlayerLayer(player: avPlayer)
playerLayer.frame = self.view.frame
playerLayer.videoGravity = AVLayerVideoGravityResizeAspectFill
cell.videoView.layer.addSublayer(playerLayer)
self.avPlayer.seekToTime(kCMTimeZero)
avPlayer.play()