AVPlayer快速全屏

Question

我正在尝试使AVPlayer在屏幕的边缘到边缘工作，但是它不能像横向模式中从左到右的两侧都是黑色，并且内容仅在中间播放一样。我是Swift的新手，所以没有经验可以帮助我，这就是我的代码。

import UIKit
import MediaPlayer
import AVKit
import AVFoundation

class PlayerVC: UIViewController {


    override func viewDidLoad() {
        super.viewDidLoad()

        let videoURL = URL(string: "http://somevideo.m3u8")!
        let player =  AVPlayer(url: videoURL)
        let playerViewController  =  AVPlayerViewController()
        playerViewController.player   =  player
        self.present(playerViewController, animated: true) {
        playerViewController.player?.play()

        }
    }
    }