Merge pull request #3216 from Duell10111/tvos-custom-playback-exerpience-fork

feat: allow customization of tvOS playback expierence

ios/Video/RCTVideo.swift

@@ -14,6 +14,7 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
     private var _source:VideoSource?
     private var _playerBufferEmpty:Bool = true
     private var _playerLayer:AVPlayerLayer?
+    private var _chapters:[Chapter]?
 
     private var _playerViewController:RCTVideoPlayerViewController?
     private var _videoURL:NSURL?
@@ -369,7 +370,7 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
 
     func playerItemPrepareText(asset:AVAsset!, assetOptions:NSDictionary?) -> AVPlayerItem {
         if (_textTracks == nil) || _textTracks?.count==0 {
-            return AVPlayerItem(asset: asset)
+            return self.playerItemPropegateMetadata(AVPlayerItem(asset: asset))
         }
 
         // AVPlayer can't airplay AVMutableCompositions
@@ -384,7 +385,35 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
             setTextTracks(validTextTracks)
         }
 
-        return AVPlayerItem(asset: mixComposition)
+        return self.playerItemPropegateMetadata(AVPlayerItem(asset: mixComposition))
+    }
+    
+    func playerItemPropegateMetadata(_ playerItem: AVPlayerItem!) -> AVPlayerItem {
+        var mapping: [AVMetadataIdentifier: Any] = [:]
+        
+        if let title = _source?.title {
+            mapping[.commonIdentifierTitle] = title
+        }
+        
+        if let subtitle = _source?.subtitle {
+            mapping[.iTunesMetadataTrackSubTitle] = subtitle
+        }
+        
+        if let description = _source?.description {
+            mapping[.commonIdentifierDescription] = description
+        }
+        
+        if #available(iOS 12.2, *), !mapping.isEmpty {
+            playerItem.externalMetadata = RCTVideoUtils.createMetadataItems(for: mapping)
+        }
+        
+        #if os(tvOS)
+        if let chapters = _chapters {
+            playerItem.navigationMarkerGroups = RCTVideoTVUtils.makeNavigationMarkerGroups(chapters)
+        }
+        #endif
+        
+        return playerItem
     }
 
     // MARK: - Prop setters
@@ -674,6 +703,15 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
         // in case textTracks was set after selectedTextTrack
         if (_selectedTextTrackCriteria != nil) {setSelectedTextTrack(_selectedTextTrackCriteria)}
     }
+    
+    @objc
+    func setChapters(_ chapters:[NSDictionary]?) {
+        setChapters(chapters?.map { Chapter($0) })
+    }
+
+    func setChapters(_ chapters:[Chapter]?) {
+        _chapters = chapters
+    }
 
     @objc
     func setFullscreen(_ fullscreen:Bool) {