how to get current time in AVAudioplayer in a label while playing - swift

Question

I tried to build an app to play the MP3 files. I want to get current time and duration to show it in 2 labels while playing.
I used this code:
let duration = Int((player1?.duration)!)
let minutes2 = duration/60
let seconds2 = duration - minutes2 * 60
durLabel.text = NSString(format: "%02d:%02d", minutes2,seconds2) as String
let currentTime1 = Int((player1?.currentTime)!)
let minutes = currentTime1/60
let seconds = currentTime1 - minutes * 60
curLabel.text = NSString(format: "%02d:%02d", minutes,seconds) as String
In duration it shows the half time of the song.
For example:
If the duration of the song is 20 minutes and 40 seconds, it shows the half like that 10:20. But it did not make progress in the case of current time, it shows 00:00
Thanks at all.

Answer 1

// this is to compute and show remaining time
let duration = Int((player1?.duration - (player1?.currentTime))!)
let minutes2 = duration/60
let seconds2 = duration - minutes2 * 60
durLabel.text = NSString(format: "%02d:%02d", minutes2,seconds2) as String
//This is to show and compute current time
let currentTime1 = Int((player1?.currentTime)!)
let minutes = currentTime1/60
let seconds = currentTime1 - minutes * 60
curLabel.text = NSString(format: "%02d:%02d", minutes,seconds) as String

Answer 2

The player's current time will not automatically update. Instead, you have to periodically update the current time using a timer. Take a look at the following thread if you want more details.
check avaudioplayer's current playback time

Answer 3

If you have Slider to seek on mp3 file, like this :
#IBOutlet weak var slidetOutlet: UISlider!
You can update your UILabel like this:
self.lblPlayerTime.text = self.secondsToHoursMinutesSeconds(seconds: Double( self.slidetOutlet.value ))
to initial your Player and Slider :
func playerInit() {
guard let url = URL(string: urlAudio) else {
return
}
do {
try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayback)
print("AVAudioSession Category Playback OK")
do {
try AVAudioSession.sharedInstance().setActive(true)
print("AVAudioSession is Active")
playerItem = AVPlayerItem(url: url)
player = AVPlayer(playerItem: playerItem)
player!.addPeriodicTimeObserver(forInterval: CMTimeMakeWithSeconds(1, 1), queue: DispatchQueue.main) { (CMTime) -> Void in
if self.player!.currentItem?.status == .readyToPlay {
let time : Float64 = CMTimeGetSeconds(self.player!.currentTime());
self.slidetOutlet.value = Float ( time )
self.slidetOutlet.minimumValue = 0
let duration : CMTime = self.playerItem!.asset.duration
let seconds : Float64 = CMTimeGetSeconds(duration)
self.slidetOutlet.maximumValue = Float(seconds)
self.lblStartTimePlayer.text = self.secondsToHoursMinutesSeconds(seconds: seconds)
self.lblPlayerTime.text = self.secondsToHoursMinutesSeconds(seconds: Double( self.slidetOutlet.value ))
}
}
} catch let error as NSError {
print(error.localizedDescription)
}
} catch let error as NSError {
print(error.localizedDescription)
}
}
and for convert the time :
func secondsToHoursMinutesSeconds (seconds : Double) -> (String) {
let (hr, minf) = modf (seconds / 3600)
let (min, secf) = modf (60 * minf)
return ("\(Int(hr)):\(Int(min)):\(Int(60 * secf))")
}