var player: AVPlayer?
var playerItem:AVPlayerItem?
fileprivate let seekDuration: Float64 = 10
@IBOutlet weak var labelOverallDuration: UILabel!
@IBOutlet weak var labelCurrentTime: UILabel!
@IBOutlet weak var playbackSlider: UISlider!
@IBOutlet weak var ButtonPlay: UIButton!
//call this mehtod to init audio player
func initAudioPlayer{ let url = URL(string: "https://argaamplus.s3.amazonaws.com/eb2fa654-bcf9-41de-829c-4d47c5648352.mp3") let playerItem:AVPlayerItem = AVPlayerItem(url: url!) player = AVPlayer(playerItem: playerItem) playbackSlider.minimumValue = 0 //To get overAll duration of the audio let duration : CMTime = playerItem.asset.duration let seconds : Float64 = CMTimeGetSeconds(duration) labelOverallDuration.text = self.stringFromTimeInterval(interval: seconds) //To get the current duration of the audio let currentDuration : CMTime = playerItem.currentTime() let currentSeconds : Float64 = CMTimeGetSeconds(currentDuration) labelCurrentTime.text = self.stringFromTimeInterval(interval: currentSeconds) playbackSlider.maximumValue = Float(seconds) playbackSlider.isContinuous = true player!.addPeriodicTimeObserver(forInterval: CMTimeMakeWithSeconds(1, preferredTimescale: 1), queue: DispatchQueue.main) { (CMTime) -> Void in if self.player!.currentItem?.status == .readyToPlay { let time : Float64 = CMTimeGetSeconds(self.player!.currentTime()); self.playbackSlider.value = Float ( time ); self.labelCurrentTime.text = self.stringFromTimeInterval(interval: time) } let playbackLikelyToKeepUp = self.player?.currentItem?.isPlaybackLikelyToKeepUp if playbackLikelyToKeepUp == false{ print("IsBuffering") self.ButtonPlay.isHidden = true // self.loadingView.isHidden = false } else { //stop the activity indicator print("Buffering completed") self.ButtonPlay.isHidden = false // self.loadingView.isHidden = true } } //change the progress value playbackSlider.addTarget(self, action: #selector(playbackSliderValueChanged(_:)), for: .valueChanged) //check player has completed playing audio NotificationCenter.default.addObserver(self, selector: #selector(self.finishedPlaying(_:)), name: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: playerItem)}
@objc func playbackSliderValueChanged(_ playbackSlider:UISlider) { let seconds : Int64 = Int64(playbackSlider.value) let targetTime:CMTime = CMTimeMake(value: seconds, timescale: 1) player!.seek(to: targetTime) if player!.rate == 0 { player?.play() }
}
@objc func finishedPlaying( _ myNotification:NSNotification) { ButtonPlay.setImage(UIImage(named: "play"), for: UIControl.State.normal) //reset player when finish playbackSlider.value = 0 let targetTime:CMTime = CMTimeMake(value: 0, timescale: 1) player!.seek(to: targetTime)
}
@IBAction func playButton(_ sender: Any) { print("play Button") if player?.rate == 0 { player!.play() self.ButtonPlay.isHidden = true // self.loadingView.isHidden = false ButtonPlay.setImage(UIImage(systemName: "pause"), for: UIControl.State.normal) } else { player!.pause() ButtonPlay.setImage(UIImage(systemName: "play"), for: UIControl.State.normal) }
}
func stringFromTimeInterval(interval: TimeInterval) -> String { let interval = Int(interval) let seconds = interval % 60 let minutes = (interval / 60) % 60 let hours = (interval / 3600) return String(format: "%02d:%02d:%02d", hours, minutes, seconds)
}
@IBAction func seekBackWards(_ sender: Any) { if player == nil { return } let playerCurrenTime = CMTimeGetSeconds(player!.currentTime()) var newTime = playerCurrenTime - seekDuration if newTime < 0 { newTime = 0 } player?.pause() let selectedTime: CMTime = CMTimeMake(value: Int64(newTime * 1000 as Float64), timescale: 1000) player?.seek(to: selectedTime) player?.play()
}
@IBAction func seekForward(_ sender: Any) { if player == nil { return } if let duration = player!.currentItem?.duration { let playerCurrentTime = CMTimeGetSeconds(player!.currentTime()) let newTime = playerCurrentTime + seekDuration if newTime < CMTimeGetSeconds(duration) { let selectedTime: CMTime = CMTimeMake(value: Int64(newTime * 1000 as Float64), timescale: 1000) player!.seek(to: selectedTime) } player?.pause() player?.play() }
}