Swift에서 AVPlayer를 어떻게 반복합니까?

Swift에서 AVPlayer를 어떻게 반복합니까?

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어떤 이유로 든 답을 찾을 수없는 간단한 질문입니다.

Swift에서 AVPlayer를 어떻게 반복합니까?

numberOfLoops = -1은 AVAudioPlayer에서만 작동합니다.

지연 / 검정 플래시 등없이 반복해야합니다. 그래서 MPMoviePlayerViewController를 사용하지 않습니다.

도움을 주셔서 감사합니다.

암호:

    let url_1 = NSURL.fileURLWithPath(outputFilePath_1)

    let asset_1 = AVAsset.assetWithURL(url_1) as? AVAsset
    let playerItem_1 = AVPlayerItem(asset: asset_1)

    let player_1 = AVPlayer(playerItem: self.playerItem_1)

    let playerLayer_1 = AVPlayerLayer(player: self.player_1)

    playerLayer_1!.frame = self.view.frame

    self.view.layer.addSublayer(self.playerLayer_1)

    player_1!.play()

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스위프트 4

var player: AVPlayer!

...

NotificationCenter.default.addObserver(forName: .AVPlayerItemDidPlayToEndTime, object: self.player.currentItem, queue: .main) { [weak self] _ in
    self?.player?.seek(to: CMTime.zero)
    self?.player?.play()
}

스위프트 3

NotificationCenter.default.addObserver(forName: .AVPlayerItemDidPlayToEndTime, object: self.player.currentItem, queue: .main) { [weak self] _ in
    self?.player?.seek(to: kCMTimeZero)
    self?.player?.play()
}

스위프트 2

AVPlayerItem이 구성되고 플레이어가 생성 된 후 :

var player: AVPlayer!

...

// Invoke after player is created and AVPlayerItem is specified
NSNotificationCenter.defaultCenter().addObserver(self,
    selector: "playerItemDidReachEnd:",
    name: AVPlayerItemDidPlayToEndTimeNotification,
    object: self.player.currentItem)

...

func playerItemDidReachEnd(notification: NSNotification) {
    self.player.seekToTime(kCMTimeZero)
    self.player.play()
}

잊지 마세요 import AVFoundation

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@Christopher Pickslay의 답변이 Swift 4 업데이트되었습니다 .

func loopVideo(videoPlayer: AVPlayer) {
    NotificationCenter.default.addObserver(forName: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: nil, queue: nil) { notification in
        videoPlayer.seek(to: CMTime.zero)
        videoPlayer.play()
    }
}

그러나 그의 답변 아래에서 언급했듯이 여러 플레이어가있는 경우 개체를 AVPlayer의 플레이어 항목으로 지정해야합니다.

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또는 블록 기반 NSNotificationCenter API를 사용할 수 있습니다.

func loopVideo(videoPlayer: AVPlayer) {
    NSNotificationCenter.defaultCenter().addObserverForName(AVPlayerItemDidPlayToEndTimeNotification, object: nil, queue: nil) { notification in
        videoPlayer.seekToTime(kCMTimeZero)
        videoPlayer.play()
    }
}

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좋아 나는 그것을 해결했다. Objective C 답변으로 올바른 방향을 제시해 주신 Msencenb에게 감사드립니다.

player_1?.actionAtItemEnd = .None

//set a listener for when the video ends   
NSNotificationCenter.defaultCenter().addObserver(self,
        selector: "restartVideoFromBeginning",
        name: AVPlayerItemDidPlayToEndTimeNotification,
        object: player_1?.currentItem)


//function to restart the video
func restartVideoFromBeginning()  {

    //create a CMTime for zero seconds so we can go back to the beginning
    let seconds : Int64 = 0
    let preferredTimeScale : Int32 = 1
    let seekTime : CMTime = CMTimeMake(seconds, preferredTimeScale)

    player_1!.seekToTime(seekTime)

    player_1!.play()

}

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Starting from iOS 10, there's no need to use notifications to loop a video, simply use a AVPlayerLooper, just like this:

let asset = AVAsset(url: videoURL)
let item = AVPlayerItem(asset: asset)
let player = AVQueuePlayer(playerItem: item)
videoLooper = AVPlayerLooper(player: player, templateItem: item)

make sure this looper is created outside of a function scope, in case it stops when function returns.

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I've managed to create a seamless video looping for OSX in swift 3. It should work on iOS and with little modification on swift 2 as well.

var player : AVQueuePlayer!

// Looping video initial call
internal func selectVideoWithLoop(url : URL)
{
    let asset = AVAsset(url: url)
    player.pause()
    let playerItem1 = AVPlayerItem(asset: asset)
    let playerItem2 = AVPlayerItem(asset: asset)
    player.removeAllItems()
    player.replaceCurrentItem(with: playerItem1)
    player.insert(playerItem2, after: playerItem1)
    player.actionAtItemEnd = AVPlayerActionAtItemEnd.advance
    player.play()

    let selector = #selector(ViewController.playerItemDidReachEnd(notification:))
    let name = NSNotification.Name.AVPlayerItemDidPlayToEndTime
    // removing old observer and adding it again for sequential calls. 
    // Might not be necessary, but I like to unregister old notifications.
    NotificationCenter.default.removeObserver(self, name: name, object: nil)
    NotificationCenter.default.addObserver(self, selector: selector, name: name, object: nil)
}

// Loop video with threadmill pattern
// Called by NotificationCenter, don't call directly
func playerItemDidReachEnd(notification: Notification)
{
    let item = player.currentItem!
    player.remove(item)
    item.seek(to: kCMTimeZero)
    player.insert(item, after: nil)
}

When you want to change the video, just call selectVideoWithLoop with a different url again.

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Swift 3.0:

First check for video end point:-

NotificationCenter.default.addObserver(self, selector: #selector(LoginViewController.playerItemDidReachEnd), name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: self.player?.currentItem)



func videoDidReachEnd() {

        //now use seek to make current playback time to the specified time in this case (O)
        let duration : Int64 = 0 (can be Int32 also)
        let preferredTimeScale : Int32 = 1
        let seekTime : CMTime = CMTimeMake(duration, preferredTimeScale)
        player!.seek(to: seekTime)
        player!.play()
    }

참고URL : https://stackoverflow.com/questions/27808266/how-do-you-loop-avplayer-in-swift