| 摘要 |
A playback apparatus has a platform 1410 that is a program execution environment of an application 1400. When the platform 1410 initiates the application 1400, a graphics information transmission unit 1403, which corresponds to an API function, obtains graphics information and stores the graphics information in a graphics information storage unit 1413. A graphics information control unit 1414 selects graphics information to be rendered, based on a stream event obtained by a stream event reception unit 1416 and the graphics information stored in the graphics information storage unit 1413. The graphics information control unit 1414 has a graphics rendition unit 1415 render the selected graphics with a video playback timing relating to the stream event. |
