Class

AVAssetWriterInputMetadataAdaptor

An object that defines an interface for writing metadata packaged as timed metadata groups into a single asset writer input.

Declaration

class AVAssetWriterInputMetadataAdaptor : NSObject

Topics

Creating Input Metadata Adaptors

init(assetWriterInput: AVAssetWriterInput)

Initializes a new timed metadata group adaptor to receive timed metadata groups to write to an output file.

Appending Timed Metadata Groups

func append(AVTimedMetadataGroup) -> Bool

Appends a timed metadata group to the receiver.

Getting the Input

var assetWriterInput: AVAssetWriterInput

The asset writer input to append timed metadata groups to.

Relationships

Inherits From

Conforms To

See Also

File Export

Exporting Video to Alternative Formats

Convert an existing movie file to a different format.

class AVAssetExportSession

An object that transcodes the contents of an asset source object to create an output of the form described by a specified export preset.

class AVAssetWriter

An object used to write media data to a new file of a specified audiovisual container type.

class AVAssetWriterInput

A writer used to append media samples to a single track of an asset writer's output file.

let AVVideoTransferFunction_ITU_R_2100_HLG: String

The transfer function for the ITU_R BT.2100 color space.

class AVOutputSettingsAssistant

An object that specifies a set of parameters for configuring objects that use output settings dictionaries.

class AVAssetWriterInputGroup

A group of tracks in a mutually exclusive relationship.

class AVAssetWriterInputPassDescription

An object that defines an interface for querying about the requirements of the current pass.

class AVAssetWriterInputPixelBufferAdaptor

A buffer used to append video samples packaged as pixel buffers to a single asset writer input.