Structure

AVMetadataIdentifier

A value that defines the metadata identifiers for different file formats.

Declaration

struct AVMetadataIdentifier

Topics

iTunes Metadata Identifiers

ID3 Metadata Identifiers

QuickTime Metadata Identifiers

QuickTime User Metadata Identifiers

Relationships

See Also

Configuring Metadata Values

var value: (NSCopying & NSObjectProtocol)?

The value for the mutable metadata item.

var locale: Locale?

The locale for a mutable metadata item.

var time: CMTime

The timestamp for a mutable metadata item.

var duration: CMTime

The duration of a mutable metadata item.

var extraAttributes: [AVMetadataExtraAttributeKey : Any]?

A dictionary containing the metadata item’s additional attributes.

struct AVMetadataExtraAttributeKey

A value that defines extra attribute keys.

var dataType: String?

The data type of the metadata item's value.

var extendedLanguageTag: String?

The IETF BCP 47 (RFC 4646) language identifier of the metadata item.

var identifier: AVMetadataIdentifier?

Indicates the identifier of the metadata item.

var startDate: Date?

The start date of the timed metadata.