Patent ID: 7840121

Claim:
An optical disc having a data structure for managing reproduction of a plurality of graphics streams, the optical disc comprising: a data area storing a stream file in which an A/V stream includes a plurality of source packets, each of the source packets having a packet identifier and being interleaved among the source packets according to the packet identifier, and the source packets having a same packet identifier defining a graphics stream of the plurality of graphics streams, the source packets forming at least one program sequence that is a sequence of the source packets in which the contents of a program is constant; and a management area storing a clip information file associated with the stream file, the clip information file including a program information field, the program information field including, program map packet identifier (PID) information indicating the value of the PID of source packets that contain a program map section applicable for the program sequence, and graphics PID information indicating the packet identifier for each of the plurality of graphics streams.