JVET-AK0153 AHG9: On Photosensitive Content Information Signalling [S. Deshpande (Sharp)]

The following modifications were proposed related to the photosensitive content information SEI message in the TuC:

• Proposal 1: It is proposed to allow to optionally signal more detailed information regarding the content with respect to specific categories/ guidelines specified in the photosensitive content standard.
• Proposal 2: It is proposed to optionally signal text string(s) specifying the text which can describe the information regarding the photosensitivity content at the discretion of the content provider.

The proposed approach seems consistent with the design philosophy to refer to 3^rd party specs.

There was agreement to Proposal 1.

This proposes u(8) signalling for the number of strings. It was suggested to reduce that number and include some reserved bits.

A question was raised if there is a constraint on the values of the individual standard indicators.

There was agreement to Proposal 2 with using 4 bits for pci_num_descr_strings and adding 4 reserved bits. A revised version of the contribution with these changes was to be uploaded.

Decision: Adopt Proposals 1 and Proposal 2 with modifications indicated above.