Class

AVAssetWriterInputMetadataAdaptor

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

Declaration

@interface AVAssetWriterInputMetadataAdaptor : NSObject

Topics

Creating Input Metadata Adaptors

- initWithAssetWriterInput:

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

+ assetWriterInputMetadataAdaptorWithAssetWriterInput:

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

Appending Timed Metadata Groups

- appendTimedMetadataGroup:

Appends a timed metadata group to the receiver.

Getting the Input

assetWriterInput

The asset writer input to append timed metadata groups to.

Relationships

Inherits From

See Also

File Export

Exporting Video to Alternative Formats

Convert an existing movie file to a different format.

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.

AVAssetWriter

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

AVAssetWriterInput

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

AVVideoTransferFunction_ITU_R_2100_HLG

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

AVOutputSettingsAssistant

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

AVAssetWriterInputGroup

A group of tracks in a mutually exclusive relationship.

AVAssetWriterInputPassDescription

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

AVAssetWriterInputPixelBufferAdaptor

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