Type Alias

AVMetadataIdentifier

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

Declaration

typedef NSString *AVMetadataIdentifier;

Topics

Common Metadata Identifiers

AVMetadataCommonIdentifierAlbumName

The album name identifier.

AVMetadataCommonIdentifierArtist

The artist identifier.

AVMetadataCommonIdentifierArtwork

The artwork identifier.

AVMetadataCommonIdentifierAuthor

The author identifier.

AVMetadataCommonIdentifierContributor

The contributor identifier.

AVMetadataCommonIdentifierCopyrights

The copyrights identifier.

AVMetadataCommonIdentifierCreationDate

The creation date identifier.

AVMetadataCommonIdentifierCreator

The creator identifier.

AVMetadataCommonIdentifierDescription

The description identifier.

AVMetadataCommonIdentifierFormat

The format identifier.

AVMetadataCommonIdentifierLanguage

The language identifier.

AVMetadataCommonIdentifierLastModifiedDate

The last modified date identifier.

AVMetadataCommonIdentifierLocation

The location identifier.

AVMetadataCommonIdentifierMake

The make identifier.

AVMetadataCommonIdentifierModel

The model identifier.

AVMetadataCommonIdentifierPublisher

The publisher identifier.

AVMetadataCommonIdentifierRelation

The relation identifier.

AVMetadataCommonIdentifierSoftware

The software identifier.

AVMetadataCommonIdentifierSource

The source identifier.

AVMetadataCommonIdentifierSubject

The subject identifier.

AVMetadataCommonIdentifierTitle

The title identifier.

AVMetadataCommonIdentifierType

The type identifier.

iTunes Metadata Identifiers

AVMetadataIdentifieriTunesMetadataBeatsPerMin

The beats per minute (BPM) of the track.

AVMetadataIdentifieriTunesMetadataExecProducer

The name of the executive producer.

AVMetadataIdentifieriTunesMetadataOriginalArtist

The name of the original artist.

ID3 Metadata Identifiers

AVMetadataIdentifierID3MetadataAlbumTitle

Album, movie, or show title (TALB).

AVMetadataIdentifierID3MetadataBand

Band, orchestra, or accompaniment (TPE2).

AVMetadataIdentifierID3MetadataCommerical

Commercial frame (COMR).

Deprecated
AVMetadataIdentifierID3MetadataConductor

Conductor or performer refinement (TPE3).

AVMetadataIdentifierID3MetadataCopyrightInformation

Copyright or legal information (WCOP).

AVMetadataIdentifierID3MetadataEncodedWith

Software, hardware, and settings used for encoding (TSSE).

AVMetadataIdentifierID3MetadataEncryption

Encryption method registration (ENCR).

AVMetadataIdentifierID3MetadataFileOwner

File owner or licensee (TOWN).

AVMetadataIdentifierID3MetadataGroupIdentifier

Group identification registration (GRID).

AVMetadataIdentifierID3MetadataInternationalStandardRecordingCode

International standard recording code (TSRC).

AVMetadataIdentifierID3MetadataLanguage

Language or languages (TLAN).

AVMetadataIdentifierID3MetadataLeadPerformer

Lead performers or soloists (TPE1).

AVMetadataIdentifierID3MetadataLink

Linked information (LINK).

AVMetadataIdentifierID3MetadataLyricist

Lyricist or text writer (TEXT).

AVMetadataIdentifierID3MetadataModifiedBy

Interpreted, remixed, or otherwise modified by (TPE4).

AVMetadataIdentifierID3MetadataOfficialArtistWebpage

Official artist or performer webpage (WOAR).

AVMetadataIdentifierID3MetadataOfficialInternetRadioStationHomepage

Official Internet radio station homepage (WORS).

AVMetadataIdentifierID3MetadataOriginalAlbumTitle

Original album, movie, or show title (TOAL).

AVMetadataIdentifierID3MetadataOriginalArtist

Original artists or performers (TOPE).

AVMetadataIdentifierID3MetadataOriginalLyricist

Original lyricists or text writers (TOLY).

AVMetadataIdentifierID3MetadataPositionSynchronization

Position synchronization frame (POSS).

AVMetadataIdentifierID3MetadataSubTitle

Subtitle or description refinement (TIT3).

AVMetadataIdentifierID3MetadataTitleDescription

Description of title, songname, or content (TIT2).

AVMetadataIdentifierID3MetadataTrackNumber

Track number or position in set (TRCK).

AVMetadataIdentifierID3MetadataUnsynchronizedLyric

Unsynchronized lyric or text transcription (USLT).

AVMetadataIdentifierID3MetadataUserText

User defined text information frame (TXXX).

AVMetadataIdentifierID3MetadataUserURL

User defined URL link frame (WXXX).

QuickTime Metadata Identifiers

AVMetadataIdentifierQuickTimeMetadataAlbum

Album or collection name of which the movie content forms a part.

AVMetadataIdentifierQuickTimeMetadataArranger

The name of the arranger of the movie file content.

AVMetadataIdentifierQuickTimeMetadataArtist

The name of the artist who created the movie file content.

AVMetadataIdentifierQuickTimeMetadataArtwork

An image that represents the movie file content.

AVMetadataIdentifierQuickTimeMetadataAuthor

The name of the author of the movie file content.

AVMetadataIdentifierQuickTimeMetadataAutoLivePhoto

An indication of whether the Live Photo movie was captured in Auto mode.

AVMetadataIdentifierQuickTimeMetadataCollectionUser

A name indicating a user-defined collection that includes this movie.

AVMetadataIdentifierQuickTimeMetadataComment

A user entered comment regarding the movie file content.

AVMetadataIdentifierQuickTimeMetadataComposer

The name of the composer of the movie file content.

AVMetadataIdentifierQuickTimeMetadataCopyright

The copyright statement for the movie file content.

AVMetadataIdentifierQuickTimeMetadataCreationDate

The date the movie file content was created.

AVMetadataIdentifierQuickTimeMetadataCredits

Credits for those who provided movie source content.

AVMetadataIdentifierQuickTimeMetadataDescription

A description of the movie file content.

AVMetadataIdentifierQuickTimeMetadataDirectionFacing

An indication of the direction the camera is facing during the shot.

AVMetadataIdentifierQuickTimeMetadataDirectionMotion

An indication of the direction the camera is moving during the shot.

AVMetadataIdentifierQuickTimeMetadataDirector

The name of the director of the movie file content.

AVMetadataIdentifierQuickTimeMetadataGenre

Text describing the genre or genres to which the movie content conforms.

AVMetadataIdentifierQuickTimeMetadataInformation

Information about the movie file content.

AVMetadataIdentifierQuickTimeMetadataKeywords

Keywords associated with the movie file content.

AVMetadataIdentifierQuickTimeMetadataLivePhotoVitalityScore

The vitality score of the Live Photo movie.

AVMetadataIdentifierQuickTimeMetadataLivePhotoVitalityScoringVersion

The version of the algorithm that scored the Live Photo movie for vitality.

AVMetadataIdentifierQuickTimeMetadataLocationBody

The astronomical body, for compatibility with the 3GPP format.

AVMetadataIdentifierQuickTimeMetadataLocationDate

A date and time, stored using the extended format defined in ISO 8601:2004-Data elements and interchange format.

AVMetadataIdentifierQuickTimeMetadataLocationISO6709

Geographic point location by coordinates as defined in ISO 6709:2008.

AVMetadataIdentifierQuickTimeMetadataLocationRole

A single byte describing the movie location’s role.

AVMetadataIdentifierQuickTimeMetadataPerformer

The name of the performer in the movie file content.

AVMetadataIdentifierQuickTimeMetadataProducer

The name of the producer of the movie file content.

AVMetadataIdentifierQuickTimeMetadataPublisher

The name of the publisher of the movie file content.

AVMetadataIdentifierQuickTimeMetadataRatingUser

A number, assigned by the user, that indicates the rating or relative value of the movie.

AVMetadataIdentifierQuickTimeMetadataSoftware

The name of the software used to create the movie file content.

AVMetadataIdentifierQuickTimeMetadataSpatialOverCaptureQualityScoringVersion

The version of the algorithm that provided the spatial over capture quality score.

AVMetadataIdentifierQuickTimeMetadataTitle

The title of the movie file content, typically as a single text line.

AVMetadataIdentifierQuickTimeMetadataYear

The year when the movie file or the original content was created or recorded.

QuickTime User Metadata Identifiers

AVMetadataIdentifierQuickTimeUserDataArranger

The name of the arranger of the movie file content.

AVMetadataIdentifierQuickTimeUserDataArtist

The name of the artist who created the movie file content.

AVMetadataIdentifierQuickTimeUserDataAuthor

The name of the author of the movie file content.

AVMetadataIdentifierQuickTimeUserDataComment

A user entered comment regarding the movie file content.

AVMetadataIdentifierQuickTimeUserDataComposer

The name of the composer of the movie file content.

AVMetadataIdentifierQuickTimeUserDataCreationDate

The date the movie file content was created.

AVMetadataIdentifierQuickTimeUserDataCredits

Credits for those who provided movie source content.

AVMetadataIdentifierQuickTimeUserDataDescription

A description of the movie file content.

AVMetadataIdentifierQuickTimeUserDataDirector

The name of the director of the movie file content.

AVMetadataIdentifierQuickTimeUserDataGenre

Text describing the genre or genres to which the movie content conforms.

AVMetadataIdentifierQuickTimeUserDataInformation

Information about the movie file content.

AVMetadataIdentifierQuickTimeUserDataKeywords

Keywords associated with the movie file content.

AVMetadataIdentifierQuickTimeUserDataLocationISO6709

Geographic point location by coordinates as defined in ISO 6709:2008.

AVMetadataIdentifierQuickTimeUserDataOriginalArtist

The name of the original artist of the movie file content.

AVMetadataIdentifierQuickTimeUserDataPerformers

The names of the performers in the movie file content.

AVMetadataIdentifierQuickTimeUserDataProducer

The name of the producer of the movie file content.

AVMetadataIdentifierQuickTimeUserDataPublisher

The name of the publisher of the movie file content.

AVMetadataIdentifierQuickTimeUserDataSoftware

The name of the software used to create the movie file content.

AVMetadataIdentifierQuickTimeUserDataSpecialPlaybackRequirements

Special hardware and software requirements for playback.

AVMetadataIdentifierQuickTimeUserDataWriter

The name of the writer of the movie file content.

See Also

Configuring Metadata Values

value

The value for the mutable metadata item.

locale

The locale for a mutable metadata item.

time

The timestamp for a mutable metadata item.

duration

The duration of a mutable metadata item.

extraAttributes

A dictionary containing the metadata item’s additional attributes.

AVMetadataExtraAttributeKey

A value that defines extra attribute keys.

dataType

The data type of the metadata item's value.

extendedLanguageTag

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

identifier

Indicates the identifier of the metadata item.

startDate

The start date of the timed metadata.