AVPlayer and AVFoundationErrorDomain Code=-11819

user_2471384 0
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i am developing an app where the music is played via AVPlayer using songs from a cloud service. everything works fine and most of the files are playing without any issues.

i have recently been getting an error back from specific files and with the message coming from AVPlayer i can't figure out if it's a network communication issue or the encoding of the file itself:

Error Domain=AVFoundationErrorDomain Code=-11819 "Cannot Complete Action" UserInfo=0x176abd80 {NSLocalizedRecoverySuggestion=Try again later., NSLocalizedDescription=Cannot Complete Action}

looking through the documentation I found out that code 11819 means:

AVErrorMediaServicesWereReset - The operation could not be completed because media services became unavailable.

has anyone ever experienced this before?

avplayer avfoundation objective-c ios
3 Answers

As was stated, the keys are properties on AVAsset. Apple says in its docs that you should always use this in iOS (but I doubt its needed for file based videos).

I struggled with this, in the end it didn't matter - but in any case maybe this will help someone in the future:

    asset = AVAsset(url: videoURL)
    let keys = ["duration", "playable", "preferredRate", "preferredVolume", "hasProtectedContent", "providesPreciseDurationAndTiming", "metadata"]
        asset.loadValuesAsynchronously(forKeys: keys) {
        for key in keys {
            var error: NSError? = nil
            let status = self.asset.statusOfValue(forKey: key, error: &error)
            print("KEY:", key, terminator: "")
            switch status {
            case .loading:
                print("  Loading")
            case .loaded:
                print("  Sucessfully loaded, continue processing")
            case .failed:
                print("  Failed with error \(error!)")
            case .cancelled:
                print("  CANCELLED")
            case .unknown:
                print("  Unknown")
            default:
                print("  DEFAULT")
            }
        }
        print("WAIT A BIT...")
        DispatchQueue.main.async {
            print("...RUN IT")
            self.runMovie()
        }
    }
user_16332510

The same solution works also for playing movies. If you experience Cannot Complete Action error using mp4 asset, just add:

asset.loadValuesAsynchronously(forKeys: ["metadata"]) {
    self.runMovie()
}

before loading AVURLAsset to AVPlayerItem

user_38360600
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