Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? import UIKit import AVFoundation class CameraViewController: UIViewController, AVCaptureVideoDataOutputSampleBufferDelegate, UIGestureRecognizerDelegate { var input:AVCaptureDeviceInput! var output:AVCaptureVideoDataOutput! var session:AVCaptureSession! var camera:AVCapt
