fix: Handle AVPlayer.currentItem.status error

Signed-off-by: Philippe Weidmann <[email protected]>

kDriveCore/AudioPlayer/SingleTrackPlayer.swift

@@ -23,7 +23,7 @@ import kDriveResources
 import MediaPlayer
 
 /// Track one file been played
-public final class SingleTrackPlayer {
+public final class SingleTrackPlayer: NSObject {
     @LazyInjectService private var orchestrator: MediaPlayerOrchestrator
 
     let registeredCommands: [NowPlayableCommand] = [
@@ -143,6 +143,14 @@ public final class SingleTrackPlayer {
                         await self.onCurrentTrackMetadata.send(self.extractTrackMetadata(from: asset))
                         self.player = AVPlayer(playerItem: AVPlayerItem(asset: asset))
                         self.setUpObservers()
+
+                        let context = UnsafeMutableRawPointer(Unmanaged.passUnretained(playableFile).toOpaque())
+                        self.player?.addObserver(
+                            self,
+                            forKeyPath: #keyPath(AVPlayer.currentItem.status),
+                            options: [.new, .initial],
+                            context: context
+                        )
                     }
                 } else {
                     self.onPlaybackError.send(.previewLoadErrorNoToken)
@@ -153,6 +161,22 @@ public final class SingleTrackPlayer {
         }
     }
 
+    override public func observeValue(
+        forKeyPath keyPath: String?,
+        of object: Any?,
+        change: [NSKeyValueChangeKey: Any]?,
+        context: UnsafeMutableRawPointer?
+    ) {
+        guard keyPath == #keyPath(AVPlayer.currentItem.status),
+              let error = player?.currentItem?.error,
+              let avError = error as? AVError,
+              avError.code == .fileFormatNotRecognized,
+              let context else { return }
+
+        let playableFile = Unmanaged<File>.fromOpaque(context).takeUnretainedValue()
+        print(error)
+    }
+
     public func reset() {
         removeAllObservers()
         player?.pause()