Patent ID: 8340496
Filing Date: 2012-12-25
Classification: G11B,H04N

Abstract:
1. A playback apparatus comprising: obtaining means for obtaining playback control information that comprises first information including a main playback path indicating a position on a timeline of a main stream file containing at least one stream and second information including a sub playback path of a sub stream file that is different from the main stream file; reading means for reading the main stream file and the sub stream file which are to be played back, based on the playback control information obtained by the obtaining means; and video combining means for combining video of the main stream file and video of the sub stream file, the main stream file and the sub stream file being read by the reading means, based on the playback control information obtained by the obtaining means, wherein the playback control information includes information related to display states of the video of the sub stream file, the video of the sub stream file being to be combined with the video of the main stream file, and the video combining means combines the video of the main stream file and the video of the sub stream file, based on the display-state-related information included in the playback control information, wherein the display-state related information includes information related to a post-combination rotation angle of the video of the sub stream file relative to original video, the video of the sub stream file being to be combined with the video of the main stream file.