old vs. new save video iOS swift

        // TODO: iOS9.0 - rewrite using Photos framework
        PHPhotoLibrary.shared().performChanges({
            let request = PHAssetChangeRequest.creationRequestForAssetFromVideo(atFileURL: outputFileURL)
            }, completionHandler: { (success, error) in
                if !success { NSLog("error creating asset: \(error)") }
        })
        
        
        
//        ALAssetsLibrary().writeVideoAtPath(toSavedPhotosAlbum: outputFileURL, completionBlock: {
//            (assetURL:URL!, error:NSError!) in
//            if error != nil{
//                print(error)
//                
//            }
//            
//            do {
//                try FileManager.default.removeItem(at: outputFileURL)
//            } catch _ {
//            }
//            
//            if backgroundRecordId != UIBackgroundTaskInvalid {
//                UIApplication.shared.endBackgroundTask(backgroundRecordId)
//            }
//            
//        })