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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // | ||
| // FeedView.swift | ||
| // FaceDetection | ||
| // | ||
| // Created by Ryan Davies on 27/09/2019. | ||
| // Copyright © 2019 Ryan Davies. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
| import AVFoundation | ||
|
|
||
| class FeedView: UIView, CameraFeedDelegate { | ||
| lazy var cameraFeed: CameraFeed = { | ||
| let feed = CameraFeed() | ||
| feed.delegate = self | ||
| return feed | ||
| }() | ||
|
|
||
| private let imageView: UIImageView = { | ||
| let imageView = UIImageView() | ||
| imageView.translatesAutoresizingMaskIntoConstraints = false | ||
| imageView.contentMode = .scaleAspectFill | ||
| return imageView | ||
| }() | ||
|
|
||
| override init(frame: CGRect) { | ||
| super.init(frame: frame) | ||
| addSubview(imageView) | ||
| NSLayoutConstraint.activate([ | ||
| leftAnchor.constraint(equalTo: imageView.leftAnchor), | ||
| rightAnchor.constraint(equalTo: imageView.rightAnchor), | ||
| topAnchor.constraint(equalTo: imageView.topAnchor), | ||
| bottomAnchor.constraint(equalTo: imageView.bottomAnchor), | ||
| ]) | ||
| } | ||
|
|
||
| required init?(coder: NSCoder) { | ||
| fatalError() | ||
| } | ||
|
|
||
| override func didMoveToSuperview() { | ||
| guard superview != nil else { | ||
| cameraFeed.stopCaptureSession() | ||
| return | ||
| } | ||
| cameraFeed.startCaptureSession() | ||
| } | ||
|
|
||
| func cameraFeed(_ cameraFeed: CameraFeed, didStartRunningCaptureSession captureSession: AVCaptureSession) { | ||
| print("Capture session started.") | ||
| } | ||
|
|
||
| func cameraFeed(_ cameraFeed: CameraFeed, didStopRunningCaptureSession captureSession: AVCaptureSession) { | ||
| print("Capture session stopped.") | ||
| } | ||
|
|
||
| func cameraFeed(_ cameraFeed: CameraFeed, didUpdateWithSampleBuffer sampleBuffer: CMSampleBuffer) { | ||
| guard let filter = FaceObscurationFilter(CMSampleBuffer: sampleBuffer) else { | ||
| return | ||
| } | ||
| DispatchQueue.main.async { | ||
| let image = filter.outputImage ?? filter.inputImage | ||
| self.imageView.image = UIImage(ciImage: image) | ||
| } | ||
| } | ||
|
|
||
| func cameraFeed(_ cameraFeed: CameraFeed, didFailWithError error: Error) { | ||
| print("Failed with error: \(error)") | ||
| } | ||
| } |
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