1. A moving picture processor comprising: a similarity calculator which calculates a similarity between shots, which refer to temporal parts of a moving picture, into which the moving picture is segmented at a point of scene change of the moving picture; a similar shot specifying unit which specifies similar shots based on the similarity; a grouping unit which makes a plurality of groups each including the similar shots specified; a lead group selector which selects a lead group from the groups based on a predetermined condition, the lead group including a lead shot picture to be a head of a metashot which includes shots; a lead shot selector which selects the lead shot from shots included in the lead group, based on an appearance pattern in which a shot belonging to the lead group selected appears in the moving picture; and a metashot generator which generates the metashot including the lead shot selected at the head.