An array of metadata items for each common metadata key for which a value is available.
- iOS 4.0+
- macOS 10.7+
- tvOS 9.0+
The value is an array of
AVMetadata objects, one for each metadata key from the common key space for which the asset has an available value. You can use the various class methods provided by
AVMetadata, such as
metadata to filter the array to the specific items of interest.