A custom compositor class to use.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+Beta
- 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.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software