A Boolean value that indicates whether the asset is extended by at least one movie fragment.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
For QuickTime movie files and MPEG-4 files, the value of this property is
YES and at least one '
moof' box is present after the '
Working with Fragmented Movies
A Boolean value that indicates whether the asset is capable of being extended by fragments.
A Boolean value that indicates the total duration of fragments that either exist now or may be appended in the future in order to extend the duration of the asset.