这里有我的内容,我希望这个视频能够填满整个屏幕(aspectFill)
playerLayer.videoGravity = kCAGravityResizeAspectFill 应该做Aspect Fill,但我仍然会在屏幕的顶部和底部出现黑条。
最后一行应该循环播放视频,但它只是变暗并停止播放。
任何建议都表示赞赏。
var moviePlayer: AVPlayer!
override func viewDidLoad() {
super.viewDidLoad()
// Load the video from the app bundle.
let videoURL: NSURL = NSBundle.mainBundle().URLForResource("video", withExtension: "mp4")!
self.moviePlayer = AVPlayer(URL: videoURL)
self.moviePlayer.muted = true
let playerLayer = AVPlayerLayer(player: self.moviePlayer)
playerLayer.videoGravity = kCAGravityResizeAspectFill //this not working
playerLayer.zPosition = -1
playerLayer.frame = self.view.frame
self.view.layer.addSublayer(playerLayer)
self.moviePlayer.play()
// Loop video.
NSNotificationCenter.defaultCenter().addObserver(self, selector: "loopVideo", name: AVPlayerItemDidPlayToEndTimeNotification, object: self.moviePlayer)
}
func loopVideo() {
self.moviePlayer.play()
}
答案 0 :(得分:7)
您使用错误的视频重力值请更改为:
playerLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
请注意,此值适用于视频,其中您使用的值用于重新缩放图像。
为了让你的视频循环播放,你刚刚忘记在完成播放后回放视频。我不使用swift但是在Objc C中你的loopVideo函数看起来像这样:
-(void) loopVideo {
[self.moviePlayer seekToTime:kCMTimeZero];
[self.moviePlayer play];
}