Instance Property

commonMetadata

An array of metadata item objects for each common metadata key for which a value is available.

Declaration

@property(nonatomic, readonly) NSArray<AVMetadataItem *> *commonMetadata;

See Also

Managing Metadata

metadata

An array of metadata items for all metadata identifiers for which a value is available.

availableMetadataFormats

An array containing the metadata formats available for the track.

- metadataForFormat:

Creates an array of metadata objects, one for each metadata item in the container of the specified format.

AVMetadataFormat

A value that defines a metadata format.