AVMovieTrack A track in a movie that conforms to the QuickTime or ISO base media file format. Declarationclass AVMovieTrack TopicsRetrieving track informationalternateGroupIDmediaDataStoragemediaDecodeTimeRangemediaPresentationTimeRange RelationshipsInherits FromAVAssetTrackInherited ByAVFragmentedMovieTrackAVMutableMovieTrackConforms ToAVAsynchronousKeyValueLoadingCVarArgCustomDebugStringConvertibleCustomStringConvertibleEquatableHashableNSCopyingNSObjectProtocol See AlsoMoviesAVMovie