[英]AVPlayer returns nan videos
我正在嘗試使用以下代碼在avplayer上播放視頻...但是由於顯示持續時間nan而沒有得到任何結果。
func setUpPlayer(fileURL:URL){
let playerItem:AVPlayerItem = AVPlayerItem(url: fileURL)
player = AVPlayer(playerItem: playerItem)
let playerLayer=AVPlayerLayer(player: player!)
playerLayer.frame=CGRect(x:self.videoContainer.frame.origin.x, y:self.videoContainer.frame.origin.y+20, width:self.videoContainer.frame.size.width, height:self.videoContainer.frame.size.height-40)
player?.addObserver(
self, forKeyPath:"currentItem", options:.initial, context:nil)
self.view.layer.addSublayer(playerLayer)
rangeSlider.setVideoURL(videoURL:fileURL)
rangeSlider.delegate = self
self.endTime = CMTimeGetSeconds((player?.currentItem?.duration)!)
let timeInterval: CMTime = CMTimeMakeWithSeconds(0.01, 100)
// let asset:AVURLAsset = AVURLAsset.init(url:videoURL)
// let videoDuration:CMTime = asset.duration;
//
//
// let timeInterval: CMTime = CMTimeMakeWithSeconds(videoDuration,100)
//CMTimeGetSeconds(videoDuration)
timeObserver = player?.addPeriodicTimeObserver(forInterval: timeInterval,
queue: DispatchQueue.main) { (elapsedTime: CMTime) -> Void in
self.observeTime(elapsedTime: elapsedTime)
} as AnyObject!
}
我是第一次這樣做。請給一些解決方案,以解決此問題。謝謝!
您錯過了在代碼中編寫“ player.play()”的過程
let timeRange = self.avPlayer.currentItem.loadedTimeRanges[0].CMTimeRangeValue
let duration = CMTimeGetSeconds(timeRange.duration)
試試這個將對您有幫助
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