Returns whether the receiver can add an input group.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
The asset writer input group to be added.
YES if the receiver can add the
outputFileType specifies a container format that does not support mutually exclusive relationships among tracks, or if the specified instance of
AVAssetWriterInputGroup contains inputs with media types that cannot be related, the group cannot be added.
Managing Asset Writer Input Groups
An array containing the asset writer input groups added to the asset writer.