Static kVTDecompressionPropertyKey_PropagatePerFrameHDRDisplayMetadata 

pub unsafe static kVTDecompressionPropertyKey_PropagatePerFrameHDRDisplayMetadata: &'static CFString

Available on crate feature VTDecompressionProperties only.

This controls whether or not to propagate any per frame HDR display metadata from the input compressed bitstream to the output pixel buffer.

See also Apple’s documentation