Patent ID: 7778518

Claim:
A transport stream recording apparatus comprising: an input unit operable to input a transport packet constituting said transport stream; a generator operable to generate program sequence information indicative of a) an interval in which the number of video and/or audio elementary streams in said transport stream does not change or b) an interval in which a coding attribute of each video and/or audio stream in said transport stream does not change; a first analyzer configured to extract, from said transport packets, a transport packet including entry point data that indicate a packet in which I picture data provide a reproduction start position; an entry point map generator configured to generate an entry point map for identifying said transport packet including said entry point data by describing a packet number information identifying the position of the entry point, for a random access operation of the transport stream; and a recording unit operable to record said program sequence information and said entry point map along with said transport stream, on a recording medium, as a database corresponding to said transport stream.