Patent ID: 8041187

Claim:
An information processing apparatus comprising: a generator configured to generate a PlayListMark, formed by marks pointing to a position in which reproduction starts, from a reproduction domain corresponding to a PlayList defining the combination of preset domains in an input AV stream; and a recording portion configured to record said PlayListMark and PlayList in a PlayList File onto a recording medium independently from the AV stream, wherein the PlayList is classified into either a Real PlayList or a Virtual PlayList, the Real PlayList co-owning a stream portion referenced by the Real Playlist, the Virtual PlayList not co-owning a stream portion referenced by the Virtual PlayList, wherein when the Real PlayList erased, data of the stream portion of a referenced clip is also erased and wherein when an operation is performed for the Virtual PlayList, contents of a referenced clip are not changed, and wherein the Virtual PlayList formed from at least one of a set of user-selected playback ranges corresponding to the Real Playlist, wherein the set of user-selected playback ranges are grouped together in the Virtual PlayList.