Patent ID: 11477489

Abstract:
A method comprising: writing, in a container file, a first video-based point cloud compression (V-PCC) bitstream and a second V-PCC bitstream, wherein said first and second V-PCC bitstreams are associated with a common group based on at least one logical context; writing, in the container file, an indication about the common group between the first V-PCC bitstream and the second V-PCC bitstream; generating a media presentation description (MPD) file with a first representation belonging to a first adaptation set associated with the first V-PCC bitstream and a second representation belonging to a second adaptation set associated with the second V-PCC bitstream; and writing, in the MPD file, at least one information element describing grouping information of the first representation belonging to the first adaptation set and the second representation belonging to the second adaptation set, wherein said information element is provided with at least one attribute indicating that said first and second V-PCC bitstreams are user-switchable alternatives upon rendering.