Creates EDR metadata for HDR10 content based on mastering display color information and content light levels.
- macOS 10.15+
- Mac Catalyst 13.0+
- Core Animation
A value of 24 bytes that contains a big-endian structure, as defined in D.2.28 (Mastering Display Colour Volume SEI message).
A value of 4 bytes that contains a big-endian structure, as defined in D.2.35 (Content Light Level Information SEI message).
A scale factor relating (display-referred linear) EDR values to the optical output of the reference display.
The MDCV and CLLI message formats are defined in ISO/IEC 23008-2:2017.
The values in the drawable's texture are assumed to be proportional to the optical output (in cd/m^2) of the reference display. For example, if the optical output scale is 100, then a value of 1.0 is assumed to be 100 nits.