Adds a Core Animation layer to the video composition.
- iOS 4.0+
- macOS 10.7+
- tvOS 9.0+
The Core Animation layer to add.
A track ID to identify the track.
trackshould not match any real trackID in the source.
A new Core Animation tool for the layer.
You use this method to include a Core Animation layer as an individual track input in video composition.
Video composition instructions should reference
track where the rendered animation should be included.