VideoLabel-video.swift

private func setupBackgroundVideoIfNeeded() {
    guard playerLayer == nil, let url = url else {
        return
    }
    
    let player = AVPlayer(url: url)
    
    if let playerItem = player.currentItem {
        NotificationCenter.default.addObserver(forName: .AVPlayerItemDidPlayToEndTime, object: playerItem, queue: nil) { [weak self] notification in
            let currentItem = notification.object as? AVPlayerItem
            currentItem?.seek(to: .zero, completionHandler: nil)
            
            if let player = self?.playerLayer?.player,
                player.currentItem == currentItem {
                player.play()
            }
        }
    }
    
    let playerLayer = AVPlayerLayer(player: player)
    playerLayer.videoGravity = .resizeAspectFill
    layer.addSublayer(playerLayer)
    
    playerLayer.frame = CGRect(x: 0.0, y: 0.0,
                                width: frame.size.width,
                                height: frame.size.height)
    self.playerLayer = playerLayer

    player.volume = 0
    player.play()
}