AVFoundation · IOS API REFERENCE

AVAssetWriterInput.MetadataReceiver

class · iOS 26.0+ · SDK 27.1

class MetadataReceiver

Provides an interface for writing timed metadata groups to an input.

Members (3)

method · iOS 26.0+

appendImmediately

TypeScript

appendImmediately(timedMetadataGroup: AVTimedMetadataGroup): boolean

Swift declaration

func appendImmediately(_ timedMetadataGroup: AVTimedMetadataGroup) throws -> Bool

Appends the timed metadata group synchronously if the input is ready for more media data. - Parameter timedMetadataGroup: The timed metadata group to be appended - Returns: Returns true if the append was successful, false if the input was not ready for more media data. - Throws: An error if the underlying writer failed.

method · iOS 26.0+

append

TypeScript

append(timedMetadataGroup: AVTimedMetadataGroup): Promise<void>

Swift declaration

nonisolated(nonsending) func append(_ timedMetadataGroup: AVTimedMetadataGroup) async throws

Suspends until the input is ready for more media data, then appends the timed metadata group. - Parameter timedMetadataGroup: The timed metadata group to be appended. - Throws: An error if the underlying writer failed.

method · iOS 26.0+

finish

TypeScript

finish(): void

Swift declaration

func finish()

Indicates to the AVAssetWriter that no more buffers will be appended to this receiver.

Skipped declarations

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