LCBestShotDetectorProtocol

Objective-C

@protocol LCBestShotDetectorProtocol <NSObject>

Swift

protocol LCBestShotDetectorProtocol : NSObjectProtocol

Interface of the best shot detector.

  • Push sample buffer from AVFoundation to processing pipeline

    Declaration

    Objective-C

    - (void)pushFrameWithSampleBuffer:(nonnull CMSampleBufferRef)sampleBuffer;

    Swift

    func pushFrame(with sampleBuffer: CMSampleBuffer)

    Parameters

    sampleBuffer

    Frame sample buffer ofrom captured video stream.

  • Sends a image in the processing queue. But it works only for one single frame, no video feed or frames sequence support

    Declaration

    Objective-C

    - (void)pushFrameWithUIImage:(nonnull UIImage *)image;

    Swift

    func pushFrame(with image: UIImage)

    Parameters

    image

    Frame in format of UIImage.

  • Sends an image in the processing queue. This one is use for playback feature, when we are running auto-tests

    Declaration

    Objective-C

    - (void)pushFrameWithCGImage:(nonnull CGImageRef)image;

    Swift

    func pushFrame(with image: CGImage)

    Parameters

    image

    frame in format of CoreGraphics image.

  • this stuf is used only by internal CI/CD logic

    Declaration

    Objective-C

    - (void)resume;

    Swift

    func resume()

  • Defines current screen size. It is used to calculate tracking frame and border vilotaion for par borderDistance in LCLunaConfiguration

    Declaration

    Objective-C

    - (void)screenSize:(CGSize)size edges:(UIEdgeInsets)edges;

    Swift

    func screenSize(_ size: CGSize, edges: UIEdgeInsets)

  • If any face was appeare in camera this return true, even if face moved away after. Otherwise returns false.

    Declaration

    Objective-C

    - (BOOL)faceFound;

    Swift

    func faceFound() -> Bool

  • Used for internal logic between LunaCamera and LunaCore to mark that current inertaction description was shown alread in UI

    Declaration

    Objective-C

    - (void)interactionHintDidShow;

    Swift

    func interactionHintDidShow()

  • Setup delegate object

    Declaration

    Objective-C

    - (void)setupDelegate:(nonnull id<LCBestShotDelegate>)delegate;

    Swift

    func setupDelegate(_ delegate: any LCBestShotDelegate)

  • Launch interactions state machine

    Declaration

    Objective-C

    - (void)launchWizard;

    Swift

    func launchWizard()

  • Define exact list of interactions

    Declaration

    Objective-C

    - (void)defineStepsList:
    (nonnull NSArray<NSObject<LCStepConfigProtocol> *> *)stepsList;

    Swift

    func defineStepsList(_ stepsList: [any LCStepConfigProtocol])

  • This one is the link between the logic of recognition and the logic which controls video record. In case primary face is found this closure will be fired.

    Declaration

    Objective-C

    - (void)enableVideoRecordWatchDog:
    (nonnull FaceFoundedBlock)primaryfaceFoundBlock;

    Swift

    func enableVideoRecordWatchDog(_ primaryfaceFoundBlock: @escaping FaceFoundedBlock)