Patent ID: 8391672

Claim:
A non-transitory recording medium having recorded thereon a video stream and stream management information, wherein the video stream includes a plurality of pieces of picture data, each picture data piece in the video stream has a variable code length and has been converted into an access unit, the access unit having a plurality of Network Abstraction Layer (NAL) units, among the plurality of NAL units, a first NAL unit includes an access unit delimiter, the stream management information includes an entry map and a flag that indicates one of application types, the entry map indicates an entry address of each piece of picture data in correspondence with a playback start time thereof, the application types include a movie and a time-based slideshow, if a value indicating the time-based slideshow has been set to the flag, all the pieces of picture data are respectively pointed to by entries included in the entry map, if a value indicating the movie has been set to the flag, intra pictures among the pieces of picture data are respectively pointed to by the entries included in the entry map, the intra pictures each located at a head of a GOP, a rate of entries in the entry map for pointing to the picture data in the video stream is higher when the value indicating the time-based slideshow has been set to the flag than when the value indicating the movie has been set to the flag, the rate of entries being a number of entries per frames in the video stream, and when the value indicating the time-based slideshow has been set to the flag, all pictures constituting the time-based slideshow in the video stream are encoded as IDR pictures.