Patent ID: 8280230
Filing Date: 2012-10-02
Classification: G11B,H04N

Abstract:
1. A reproduction apparatus comprising: an acquire unit operable to acquire, from a recording medium, a video stream and a graphics stream, the video stream including video data, the graphics stream including a data packet and a control packet, the data packet including graphics data, a decode time stamp, and a first presentation time stamp, the decode time stamp indicating a start time for decoding the graphics data, the first presentation time stamp indicating an end of decoding, the control packet including a second presentation time stamp indicating a time which is at or after the end of decoding; a video decoder operable to decode the video data and to write the decoded video data in a video plane; a processor operable to decode the graphics data at the start time, and to end decoding by the first presentation time stamp; a controller operable to write the decoded graphics data in a graphics plane by the second presentation time stamp, the graphics plane being an area where the decoded graphics data is rendered; and an adder operable to add decoded video data from the video plane and the decoded graphics data from the graphics plane.