title: How to play video file from documentdirectory using avplayer
body: <p>I am creating video player application in ios,if i store mp4 file in bundle resource or if i stream url it is working fine but if i store a file in document direcory and i am trying to play with avplayer it is not playing should i handle differently with offline file in document directory</p>
  
  <p>code:</p>
  
  <pre><code>let fileManager = FileManager()
          let destinationURLForFile = URL(fileURLWithPath: documentDirectoryPath.appendingFormat("/myvideo.mp4"))
     self.playVideo(filePath: destinationURLForFile.path)
  
  
     func playVideo(filePath:String)
      {
          var playerItem = AVPlayerItem.init(url:URL.init(string: filePath)!)
  
          var player = AVPlayer(playerItem: playerItem)
          var playerLayer = AVPlayerLayer(player: player)
          playerLayer.frame = self.view.frame
          self.view.layer.addSublayer(playerLayer)
          player.play()
  
      }
  </code></pre>