Class

AVMetadataFaceObject

Face information detected by a metadata capture output.

Declaration

class AVMetadataFaceObject : AVMetadataObject

Overview

The AVMetadataFaceObject class is a concrete subclass of AVMetadataObject that defines the features of a single detected face. You can retrieve instances of this class from the output of an AVCaptureMetadataOutput object on devices that support face detection.

Topics

Getting the Face Identifier

var faceID: Int

The unique ID for this face metadata object.

Accessing the Face Detection Data

var hasRollAngle: Bool

A Boolean value indicating whether there is a valid roll angle associated with the face.

var rollAngle: CGFloat

The roll angle of the face specified in degrees.

var hasYawAngle: Bool

A Boolean value indicating whether there is a valid yaw angle associated with the face.

var yawAngle: CGFloat

The yaw angle of the face specified in degrees.

Constants

Face Metadata Type

A metadata type string for face detection metadata.

Relationships

Inherits From

Conforms To

See Also

Metadata Capture

class AVMetadataBodyObject

An abstract class that defines the interface for a metadata body object.

class AVMetadataCatBodyObject

An object representing a single detected cat body in a picture.

class AVMetadataDogBodyObject

An object representing a single detected dog body in a picture.

class AVMetadataHumanBodyObject

An object representing a single detected human body in a picture.

class AVMetadataSalientObject

An object representing a single salient area in a picture.

class AVCaptureMetadataInput

A capture input for providing timed metadata to a capture session.

class AVCaptureMetadataOutput

A capture output for processing timed metadata produced by a capture session.

class AVMetadataMachineReadableCodeObject

Barcode information detected by a metadata capture output.

class AVMetadataObject

The abstract superclass for objects provided by a metadata capture output.