gistfile1.txt

extension ViewController: AVCaptureVideoDataOutputSampleBufferDelegate {
    
    func captureOutput(_ captureOutput: AVCaptureOutput!, didOutputSampleBuffer sampleBuffer: CMSampleBuffer!, from connection: AVCaptureConnection!)
    {
        
        //let filter:CIFilter? = CIFilter(name: "CISourceOverCompositing")
        
        let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer)
        
       let cameraImage = CIImage(cvPixelBuffer: pixelBuffer!)
        connection.videoOrientation = .portrait
        
        //        filter!.setValue(cameraImage, forKey: kCIInputBackgroundImageKey)
        //        let image = UIImage(named: "newmusic_03 copy 2.png")?.cgImage
        //        //  let immg = UIImage(cgImage: image!, scale: 10, orientation: UIImageOrientation.left).cgImage
        //
        //        let imageci = CIImage(cgImage: image!)
        //
        //        filter?.setValue(imageci, forKey: kCIInputImageKey)
        //
        //        let filteredImage = UIImage(ciImage: filter!.value(forKey: kCIOutputImageKey) as! CIImage!)
        let image = UIImage(cgImage: convertCIImageToCGImage(inputImage: cameraImage), scale: 1.0, orientation: .upMirrored)
        let ci = CIImage(image: image)

        DispatchQueue.main.async
            {
                self.imageView.image = UIImage(ciImage: ci!)
        }
        
    }
    func convertCIImageToCGImage(inputImage: CIImage) -> CGImage! {
        let context = CIContext(options: nil)
            return context.createCGImage(inputImage, from: inputImage.extent)
        }
    }