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Swift 4 update. #4
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… and removed unecessary cast to clear warning
…ather than image orientation
…o detailView to follow device orientation
PChmiel
reviewed
Jan 26, 2018
FaceTracking/ViewController.swift
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| return devices.filter { $0.position == .front }.first | ||
| let discoverySession = AVCaptureDevice.DiscoverySession.init(deviceTypes: [AVCaptureDevice.DeviceType.builtInWideAngleCamera], mediaType: .video, position: AVCaptureDevice.Position.front) | ||
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| return discoverySession.devices.count > 0 ? discoverySession.devices.first : nil |
Contributor
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you can just return discoverySession.devices.first, its optional
FaceTracking/ViewController.swift
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| let attachments = CMCopyDictionaryOfAttachments(kCFAllocatorDefault, sampleBuffer, kCMAttachmentMode_ShouldPropagate) | ||
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| let ciImage = CIImage(cvImageBuffer: pixelBuffer!, options: attachments as! [String : Any]?) |
Contributor
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add guards above instead of using !
FaceTracking/ViewController.swift
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| "has closed left eye: \(faceFeature.leftEyeClosed)", | ||
| "has closed right eye: \(faceFeature.rightEyeClosed)"] | ||
| "has closed right eye: \(faceFeature.leftEyeClosed)", |
Author
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No. I will set it back to the original orientation.
FaceTracking/ViewController.swift
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| } | ||
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| func exifOrientation(orientation: UIDeviceOrientation) -> Int { | ||
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FaceTracking/ViewController.swift
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| DispatchQueue.main.async { | ||
| UIView.animate(withDuration: 0.2) { | ||
| UIView.animate(withDuration: 0.2) { [unowned self] in |
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in case of animation there is no need to use unowned or weak
FaceTracking/ViewController.swift
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| } | ||
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| func rotateDetailViewWithDeviceOrientation() { | ||
| switch UIDevice.current.orientation { |
Contributor
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change formatting and remove new lines
FaceTracking/ViewController.swift
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| switch UIDevice.current.orientation { | ||
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| case .portrait: | ||
| self.detailsView.transform = CGAffineTransform(rotationAngle: 0) |
Contributor
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self is not necessary here and below
FaceTracking/ViewController.swift
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| case .portraitUpsideDown: | ||
| self.detailsView.transform = CGAffineTransform(rotationAngle: CGFloat.pi) | ||
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| default: |
Author
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Awesome. Thank you for your help.
FaceTracking/ViewController.swift
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| @@ -1,4 +1,4 @@ | |||
| // | |||
| // | |||
FaceTracking/ViewController.swift
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| guard let devices = AVCaptureDevice.devices(withMediaType: AVMediaTypeVideo) as? [AVCaptureDevice] else { return nil } | ||
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| return devices.filter { $0.position == .front }.first | ||
| let discoverySession = AVCaptureDevice.DiscoverySession.init(deviceTypes: [AVCaptureDevice.DeviceType.builtInWideAngleCamera], mediaType: .video, position: AVCaptureDevice.Position.front) |
Contributor
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.init is not neccessary just ...DiscoverySession(deviceTypes:...
Author
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I don't understand why the tests fail. Can anyone help? |
Member
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This project is no longer maintained and will be archived. |
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Found your project reading about face tracking and wanted to thank you by updating it up for others to find and learn from.
Fixed face tracking to work for all device orientations and added DetailView rotation to match the orientation of user's face.
Assuming the user is turning the device and not the other way around.
Thanks!