ios - AVPlayer 在 Swift 中横向播放视频

Question

我正在尝试录制视频然后播放，问题是播放视频时，它会横向播放。我已经禁用了横向模式，所以我不知道是什么导致了这个问题。这是实现：

class VideoPlayback: UIViewController {

    let avPlayer = AVPlayer()
    var avPlayerLayer: AVPlayerLayer!

    var videoURL: URL!
    //connect this to your uiview in storyboard
    @IBOutlet weak var videoView: UIView!

    override func viewDidLoad() {
        super.viewDidLoad()

        avPlayerLayer = AVPlayerLayer(player: avPlayer)
        avPlayerLayer.frame = view.frame
        avPlayerLayer.videoGravity = AVLayerVideoGravity.resizeAspectFill
        videoView.layer.insertSublayer(avPlayerLayer, at: 0)
        view.layoutIfNeeded()
        
        let playerItem = AVPlayerItem(url: videoURL as URL)
        avPlayer.replaceCurrentItem(with: playerItem)
    
        avPlayer.play()
    }
}

有人知道怎么修这个东西吗？

Answer 1

let angle = .pi/2    //90 degrees -- or desired rotation
avPlayerLayer.setAffineTransform(CGAffineTransform(rotationAngle: angle)

这应该适用于那个视频，但如果您要播放不同的视频，它可能不可靠。