Patent ID: 8260120

Claim:
An information processing apparatus for performing edit control of one or more AV streams recorded on a recording medium, the information apparatus comprising: edit control means for editing a play list including an attribute definition file defining an AV stream attribute provided as a pair with each AV stream file recorded on a recording medium and a plurality of play section items specifying a play section of an AV stream by a play start point and a play end point; access control means for placing one or more entry marks to randomly access play-section items arranged on a time axis in the play list, forming a plurality of chapters as sections within the plurality of play section items between adjacent entry marks and a section from a last entry mark to an end point of a last play-section item in the play list, and accessing an AV stream recorded on a recording medium for each chapter; and play-list dividing means for dividing a play section item based on the location of entry marks within the play section item to generate new play section items corresponding to the plurality of chapters contained within the play section item, the play-list dividing means dividing the play section item when at least one of entry mark positions of front and back ends of a chapter specified as a division section does not match a boundary of the play-section item.