Patent ID: 11936889
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A method of managing a coded picture buffer (CPB) of a video decoder, the method comprising:
buffering a video data stream, wherein the video data stream is either a complete version of the video data stream or a reduced version of the video data stream, the reduced version of the video data stream differing from the complete version of the video data stream by removal of at least one encoded picture, wherein the video data stream comprises:
first timing information on first coded picture buffer (CPB) removal times to be applied at a decoder side when buffering the complete version of the video data stream, and
second timing information on second CPB removal times to be applied at the decoder side when buffering the reduced version of the video data stream, wherein the second timing information defines the second CPB removal times by way of timing modification information for modifying the first CPB removal times to yield the second CPB removal times; and

managing the CPB according to the first timing information in case of the video data stream being the complete version of the video data stream and managing the CPB according to the second timing information in case of the video data stream being the reduced version of the video data stream.