Image thumbnail from video

VideoThumbnailHelper.swift

import AVFoundation

func getThumbnail(url: URL) -> UIImage? {

    do {
        let asset = AVURLAsset(url: url , options: nil)
        let imgGenerator = AVAssetImageGenerator(asset: asset)
        imgGenerator.appliesPreferredTrackTransform = true
        let cgImage = try imgGenerator.copyCGImage(at: CMTimeMake(0, 1), actualTime: nil)
        let thumbnail = UIImage(cgImage: cgImage)
      
        return thumbnail
    } catch (let error) {
        debugPrint("Error with thumbnail generation: \(error.localizedDescription)")
      
        return nil
    }

}

Not supported on WatchOS (currently 6.0)
Supported on: iOS 4.0+, macOS 10.7+, tvOS 9.0+;