A collection of metadata items that are valid for use during a specific time range.
- iOS 4.3+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
AVTimedMetadataGroups are used to represent chapters, optionally containing metadata items for chapter titles and chapter images.
Initializing Timed Metadata Group Objects
Configuring Timed Metadata Group Attributes
An array of metadata items in the timed metadata group.
The time range for the timed metadata.
A metadata item associated with an audiovisual asset or one of its tracks.
A collection of metadata items associated with a timeline segment.
A mutable metadata item associated with an audiovisual asset or with one of its tracks.