Ios 如何在swift中制作循环视频
我如何制作一个本地Ios 如何在swift中制作循环视频,ios,swift,loops,video,Ios,Swift,Loops,Video,我如何制作一个本地.mp4文件,在循环中没有声音播放,因此它只占用部分屏幕,没有用户控制。只是一个循环视频,有点像gif。我正在使用xcode,swift2 class ViewController: UIViewController { var playerViewController = AVPlayerViewController() var playerView = AVPlayer() override func viewDidLoad() {
.mp4
文件,在循环中没有声音播放,因此它只占用部分屏幕,没有用户控制。只是一个循环视频,有点像gif。我正在使用xcode
,swift2
class ViewController: UIViewController {
var playerViewController = AVPlayerViewController()
var playerView = AVPlayer()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func viewDidAppear(animated: Bool) {
var fileURL = NSURL(fileURLWithPath: "/Users/Mantas/Desktop/123/123/video-1453562323.mp4.mp4")
playerView = AVPlayer(URL: fileURL)
playerViewController.player = playerView
self.presentViewController(playerViewController, animated: true){
self.playerViewController.player?.play()
}
}
}
我制作了这个,它播放视频,但在全屏上,我不知道如何使它只占据部分屏幕,如何使它循环视频结束时添加观察者可以使视频重播
override func viewDidAppear(animated: Bool) {
super.viewDidAppear()
var fileURL = NSURL(fileURLWithPath: "/Users/Mantas/Desktop/123/123/video-1453562323.mp4.mp4")
playerView = AVPlayer(URL: fileURL)
NSNotificationCenter.defaultCenter().addObserver(self,
selector: "playerItemDidReachEnd:",
name: AVPlayerItemDidPlayToEndTimeNotification,
object: self.playerView.currentItem) // Add observer
playerViewController.player = playerView
//amend the frame of the view
self.playerViewController.player.frame = CGRectMake(0, 0, 200, 200)
//reset the layer's frame, and re-add it to the view
var playerLayer: AVPlayerLayer = AVPlayerLayer.playerLayerWithPlayer(self.playerView)
playerLayer.frame = videoHolderView.bounds
videoHolderView.layer.addSublayer(playerLayer)
/* Full Screen
self.presentViewController(playerViewController, animated: true){
self.playerViewController.player?.play()
} */
}
func playerItemDidReachEnd(notification: NSNotification) {
self.playerView.seekToTime(kCMTimeZero)
self.playerView.play()
}
Swift 3.0中的替代版本: 添加以下属性:
fileprivate var player: AVPlayer? {
didSet { player?.play() }
}
fileprivate var playerObserver: Any?
将此添加到您的Denit中:
deinit {
guard let observer = playerObserver else { return }
NotificationCenter.default.removeObserver(observer)
}
添加此功能:
func videoPlayerLayer() -> AVPlayerLayer {
let fileURL = URL(fileURLWithPath: mediaPath)
let player = AVPlayer(url: fileURL)
let resetPlayer = {
player.seek(to: kCMTimeZero)
player.play()
}
playerObserver = NotificationCenter.default.addObserver(forName: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: player.currentItem, queue: nil) { notification in
resetPlayer()
}
self.player = player
return AVPlayerLayer(player: player)
}
然后添加到您喜欢的图层(viewDidLoad、ViewDidDisplay、ViewDidFinishLayingOutSubview):
对于没有黑色闪光灯的无可视重复视频。使用AVPlayerLooper,如下所示:
private var player: AVQueuePlayer!
private var playerLayer: AVPlayerLayer!
private var playerItem: AVPlayerItem!
private var playerLooper: AVPlayerLooper!
override func viewDidLoad(){
super.viewDidLoad()
let path = Bundle.main.path(forResource: "background_cloudy", ofType: "mov")
let pathURL = URL(fileURLWithPath: path!)
let duration = Int64( ( (Float64(CMTimeGetSeconds(AVAsset(url: pathURL).duration)) * 10.0) - 1) / 10.0 )
player = AVQueuePlayer()
playerLayer = AVPlayerLayer(player: player)
playerItem = AVPlayerItem(url: pathURL)
playerLooper = AVPlayerLooper(player: player, templateItem: playerItem,
timeRange: CMTimeRange(start: kCMTimeZero, end: CMTimeMake(duration, 1)) )
playerLayer.videoGravity = AVLayerVideoGravity.resizeAspectFill
playerLayer.frame = view.layer.bounds
view.layer.insertSublayer(playerLayer, at: 1)
}
这是用Swift 5测试的,我在
谢谢,我该如何添加一个框架,而不是全屏播放?更新的ans如果helpsIt做了一个小动作,你可以访问ans!但这种循环并非天衣无缝。这在回放之间有一些差距这太棒了,谢谢!我认为我们应该将fileURL作为参数。func videoPlayerLayer(fileURL:URL)->avplayerlayer你太棒了!这真的帮了大忙!我所要做的就是更改cell.layer.addSublayer(cell.playerLayer!)
private var player: AVQueuePlayer!
private var playerLayer: AVPlayerLayer!
private var playerItem: AVPlayerItem!
private var playerLooper: AVPlayerLooper!
override func viewDidLoad(){
super.viewDidLoad()
let path = Bundle.main.path(forResource: "background_cloudy", ofType: "mov")
let pathURL = URL(fileURLWithPath: path!)
let duration = Int64( ( (Float64(CMTimeGetSeconds(AVAsset(url: pathURL).duration)) * 10.0) - 1) / 10.0 )
player = AVQueuePlayer()
playerLayer = AVPlayerLayer(player: player)
playerItem = AVPlayerItem(url: pathURL)
playerLooper = AVPlayerLooper(player: player, templateItem: playerItem,
timeRange: CMTimeRange(start: kCMTimeZero, end: CMTimeMake(duration, 1)) )
playerLayer.videoGravity = AVLayerVideoGravity.resizeAspectFill
playerLayer.frame = view.layer.bounds
view.layer.insertSublayer(playerLayer, at: 1)
}
import UIKit
import AVFoundation
class LoopedVideoPlayerView: UIView {
fileprivate var videoURL: URL?
fileprivate var queuePlayer: AVQueuePlayer?
fileprivate var playerLayer: AVPlayerLayer?
fileprivate var playbackLooper: AVPlayerLooper?
func prepareVideo(_ videoURL: URL) {
let playerItem = AVPlayerItem(url: videoURL)
self.queuePlayer = AVQueuePlayer(playerItem: playerItem)
self.playerLayer = AVPlayerLayer(player: self.queuePlayer)
guard let playerLayer = self.playerLayer else {return}
guard let queuePlayer = self.queuePlayer else {return}
self.playbackLooper = AVPlayerLooper.init(player: queuePlayer, templateItem: playerItem)
playerLayer.videoGravity = .resizeAspectFill
playerLayer.frame = self.frame
self.layer.addSublayer(playerLayer)
}
func play() {
self.queuePlayer?.play()
}
func pause() {
self.queuePlayer?.pause()
}
func stop() {
self.queuePlayer?.pause()
self.queuePlayer?.seek(to: CMTime.init(seconds: 0, preferredTimescale: 1))
}
func unload() {
self.playerLayer?.removeFromSuperlayer()
self.playerLayer = nil
self.queuePlayer = nil
self.playbackLooper = nil
}
override init(frame: CGRect) {
super.init(frame: frame)
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
override func layoutSubviews() {
self.playerLayer?.frame = self.bounds
}
}