Patent ID: 11863767
Assignee: QUALCOMM INCORPORATED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. A device for retrieving media data, the device comprising:
a memory configured to store scene data and image data; and
one or more processors implemented in circuitry and configured to:
receive, in a media description for a Real-time Transport Protocol (RTP) bitstream, a session description protocol (SDP) image attribute that includes:
an attribute that specifies that the RTP bitstream includes one or more overlay images, the overlay images comprising either a single static image to be presented with scene data that remains constant while being presented frame-by-frame with frames of the scene data or an image sequence that repeats with a regular periodicity while being presented frame-by-frame with the frames of the scene data, and
a payload type syntax element that specifies the payload type utilized for carriage of the one or more overlay images within the RTP bitstream;

receive the one or more overlay images from the RTP bitstream;
receive the scene data including one or more scene images; and
present the scene images and the overlay images.