NextLevelVideoConfiguration

public class NextLevelVideoConfiguration : NextLevelConfiguration

NextLevelVideoConfiguration, video capture configuration object

types

  • Undocumented

    Declaration

    Swift

    public static let VideoBitRateDefault: Int

properties

  • Average video bit rate (bits per second), AV dictionary key AVVideoAverageBitRateKey

    Declaration

    Swift

    public var bitRate: Int

  • Dimensions for video output, AV dictionary keys AVVideoWidthKey, AVVideoHeightKey

    Declaration

    Swift

    public var dimensions: CGSize?

  • Output aspect ratio automatically sizes output dimensions, active indicates NextLevelVideoConfiguration.preset or NextLevelVideoConfiguration.dimensions

    Declaration

    Swift

    public var aspectRatio: NextLevelConfiguration.AspectRatio

  • Video output transform for display

    Declaration

    Swift

    public var transform: CGAffineTransform

  • Codec used to encode video, AV dictionary key AVVideoCodecKey

    Declaration

    Swift

    public var codec: AVVideoCodecType

  • Profile level for the configuration, AV dictionary key AVVideoProfileLevelKey (H.264 codec only)

    Declaration

    Swift

    public var profileLevel: String?

  • Video scaling mode, AV dictionary key AVVideoScalingModeKey (AVVideoScalingModeResizeAspectFill, AVVideoScalingModeResizeAspect, AVVideoScalingModeResize, AVVideoScalingModeFit)

    Declaration

    Swift

    public var scalingMode: String

  • Maximum interval between key frames, 1 meaning key frames only, AV dictionary key AVVideoMaxKeyFrameIntervalKey

    Declaration

    Swift

    public var maxKeyFrameInterval: Int?

  • Video time scale, value/timescale = seconds

    Declaration

    Swift

    public var timescale: Float64?

  • Maximum recording duration, when set, session finishes automatically

    Declaration

    Swift

    public var maximumCaptureDuration: CMTime?

object lifecycle

  • Undocumented

    Declaration

    Swift

    public override init()

func

  • Provides an AVFoundation friendly dictionary for configuring output.

    Declaration

    Swift

    public override func avcaptureSettingsDictionary(sampleBuffer: CMSampleBuffer? = nil, pixelBuffer: CVPixelBuffer? = nil) -> [String : Any]?

    Parameters

    sampleBuffer

    Sample buffer for extracting configuration information

    Return Value

    Video configuration dictionary for AVFoundation