perFrameHDRDisplayMetadataPolicy
The policy for display of HDR display metadata on the rendered frame.
Declaration
var perFrameHDRDisplayMetadataPolicy: AVVideoComposition.PerFrameHDRDisplayMetadataPolicy { get }Discussion
Allows the system to identify situations where it can generate HDR metadata and attach it to the rendered video frame.
The default value is propagate, which indicates the system propagates any HDR metadata attached to the composed frame to the rendered video frames.