This is actually where it would seem some players are heading: AVIF (and JPEG XL?) implemented support for gain maps (and are used by Adobe in their products I think), and Google is pushing it as a JPEG add-on via their “Ultra HDR” format proposal.
This is actually where it would seem some players are heading: AVIF (and JPEG XL?) implemented support for gain maps (and are used by Adobe in their products I think), and Google is pushing it as a JPEG add-on via their “Ultra HDR” format proposal.