[英]How can I set offset of a video in Swift 4 ? Seek(to:) doesn't seem to work
我在设置AVQueuePlayer视频的偏移量时遇到问题。 我试过了seek(以设置视频的偏移量,但它似乎不起作用。视频总是从0秒开始。其他要求是通过控制播放并循环播放,这样效果很好。
我很想从0秒以外的任何其他位置播放视频。
func getVideoView() -> UIView
{
var videoViewContainer = UIView(frame: CGRect(x: 0, y: 0, width: 375, height: 375))
let videoUrl = URL(string: "https://myvideourl.mp4")
let item = AVPlayerItem(url: videoUrl!)
player = AVQueuePlayer()
playerLooper = AVPlayerLooper(player: player!, templateItem: item)
let time = CMTime(seconds: 17.000000, preferredTimescale: CMTimeScale(1))
player?.seek(to: time, completionHandler: { (handler) in
} )
item.forwardPlaybackEndTime = CMTimeMake(20, 1) // For playing it for 20 Seconds
let layer: AVPlayerLayer = AVPlayerLayer(player: player)
layer.frame = videoViewContainer.bounds
layer.videoGravity = AVLayerVideoGravity.resizeAspectFill
videoViewContainer.layer.addSublayer(layer)
player?.play()
return videoViewContainer
}
我得到了答案。 与AVPlayerLooper一起使用时,SeekTo似乎不起作用。
AVPlayerLooper本身具有属性时间范围。 下面给出的例子
playerLooper = AVPlayerLooper(player: self.player!,
templateItem: item!,
timeRange: CMTimeRange(start: CMTime(seconds: Double(start), preferredTimescale: 1) , duration: CMTime(seconds: Double(duration), preferredTimescale: 1)))
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