1 | page 2 | 3

5. DVD Video Manager (VMG)
Section 12 of this document presents in details the following data structures in the Video Manager VMG domain.

Video Manager Information Management.
Video Manager Title Map.
Video Manager Program Chain and Language Units.
Parental Management Information.
Video Title Set Attribute Information.
Text Data Management Information.
Cell Address table for VIDEO_TS.VOB
VOBU Address map for VIDEO_TS.VOB

All required and optional structures in the Video Manager are listed in the Acrobat PDF ebook.

5.1. Graphical display of VMG Data Structures



The above illustration displays major data structures in the Video Manager VMG which are stored in the file VIDEO_TS.IFO. The Video Manager Information Management points to the physical location of the First-Play PGC, each VTS on the DVD disc, and other data structures in the VMG. The Video Manager Title Map acts as an index to all video titles on the disc. The Video Manager Language Units provide information on all language units found in the Video Manager domain. The Video Manager Menu Program Chain Units point to the location of all PGCs present in the VMG, including the title menu if this menu is present. The Video Manager Cell Address Map and the Video Object Unit Map point to locations of all cells in the VMG and their associated VOB units.


1 | page 2 | 3