A custom compositor class to use.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
The default is
nil, indicating the internal video compositor is used. The
customVideoCompositorClass must implement the
Configuring Video Composition Properties
A time interval for which the video composition should render composed video frames.
The size at which the video composition should render.
The scale at which the video composition should render.
A video composition tool to use with Core Animation in offline rendering.
A value that indicates whether frame timing for the video composition is derived from the source's asset track.