Patent ID: 7913169

Claim:
A system LSI for decoding a graphics stream, said system LSI comprising: a graphics decoder operable to decode the graphics stream which represents an interactive display including a plurality of graphical button materials to be overlaid with a motion picture, wherein: the graphics stream includes a plurality of graphics data sets each forming a group of graphics data which renders a predetermined state of the graphical button materials; the plurality of graphics data sets respectively renders different predetermined states of the graphical button materials and are disposed in a sequential order of displaying the different predetermined states; the different predetermined states are respectively a normal state, a selected state, and an active state; the plurality of graphics data sets are disposed in an order of a normal-state set, a selected-state set, and an active-state set and said graphics decoder uses the graphics data respectively belonging to a top set and a second-place set in the plurality of graphics data sets for presenting an initial display of the interactive display, and uses the graphics data belonging to remaining ones of the plurality of graphics data sets for updating the interactive display upon a user operation.