Patent ID: 7881587

Claim:
A playback apparatus for playing back video data, comprising: an input acceptance processing unit which accepts a playback instruction indicating a playback frame; a memory which stores table information including first position information, which is absolute position information as to each frame of the video data, second position information, which is associated with the first position information as to each frame of the video data and is relative position information of the video data, and status information indicating a type of change pattern of a value of the first position information as to each frame of the video data, so that a plurality of consecutive frames with matching status information indicating the type of change pattern of the value of the first position information in the table information can be identified; identifying means for identifying the second position information, by referring to the table information, wherein the identifying means performs determination whether the first position information of the playback frame which is specified by the playback instruction exists in each status section which is grouped by the plurality of consecutive frames with matching status information, and identifies the second position information corresponding to the first position information of the playback frame which is specified by the playback instruction based on a result of the determination; and playback means for playing back the playback frame corresponding to the second position information identified by the identifying means.