JVET-AP0102 AHG9: On the PRI SEI message [Y. He, S. Zhao, L. Kerofsky, M. Karczewicz (Qualcomm)]

This contribution proposes to add the target picture colour description in the PRI SEI extension.

Other options proposed were to add a constraint disallowing different colour descriptions in the relevant layers or to add a note that warns encoders about the issue.

Agreed to add a note, with the specific language delegated to the editors.

Film grain regions characteristics (FGRC) SEI message (5)

Contributions in this area were discussed during 1630–1730 on Tuesday 28 April 2026 (chaired by J. Boyce).

JVET-AP0102 AHG9: On the PRI SEI message

AI usage restriction recommendations (AURR)