The instructions for video composition, and indicates whether video composition is enabled for export.
- iOS 4.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
The URL of the export session’s output.
The file length that the output of the session should not exceed.
The time range exported from the source.
The metadata written to the output file by the export session.
Specifies a filter object used during export to determine which metadata items to transfer from the source asset.
The parameters for audio mixing and an indication whether to enable nondefault audio mixing for export.