Load video duration asynchronously

ios/Video/Features/RCTVideoUtils.swift

@@ -34,6 +34,22 @@ enum RCTVideoAssetsUtils {
             #endif
         }
     }
+
+    static func getDuration(asset: AVAsset) async -> CMTime? {
+        if #available(iOS 15, tvOS 15, visionOS 1.0, *) {
+            return try? await asset.load(.duration)
+        } else {
+            #if !os(visionOS)
+                return await withCheckedContinuation { continuation in
+                    asset.loadValuesAsynchronously(forKeys: ["duration"]) {
+                        var error: NSError?
+                        let status = asset.statusOfValue(forKey: "duration", error: &error)
+                        continuation.resume(returning: status == .loaded ? asset.duration : nil)
+                    }
+                }
+            #endif
+        }
+    }
 }
 
 // MARK: - RCTVideoUtils

ios/Video/RCTVideo.swift

@@ -1420,7 +1420,10 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
             }
 
             if onVideoLoad != nil, self._videoLoadStarted {
-                var duration = Float(CMTimeGetSeconds(_playerItem.asset.duration))
+                let assetDuration = await RCTVideoAssetsUtils.getDuration(asset: _playerItem.asset)
+                guard self._playerItem === _playerItem,
+                      self._source?.json === source.json else { return }
+                var duration = Float(CMTimeGetSeconds(assetDuration ?? .invalid))
 
                 if duration.isNaN || duration == 0 {
                     // This is a safety check for live video.
@@ -1449,6 +1452,8 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
 
                 let audioTracks = await RCTVideoUtils.getAudioTrackInfo(self._player)
                 let textTracks = await RCTVideoUtils.getTextTrackInfo(self._player)
+                guard self._playerItem === _playerItem,
+                      self._source?.json === source.json else { return }
                 self.onVideoLoad?(["duration": NSNumber(value: duration),
                                    "currentTime": NSNumber(value: Float(CMTimeGetSeconds(_playerItem.currentTime()))),
                                    "canPlayReverse": NSNumber(value: _playerItem.canPlayReverse),
@@ -1699,4 +1704,3 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
     @objc
     func setOnClick(_: Any) {}
 }
-