FILE STRUCTURE
DVD Media
DVD-Video FILE STRUCTURES
! The File Structure for a DVD-Video is very
specic.
! If a DVD-Video disc does not match these
specications, a DVDVideo player will fail to read and display the disc's content.
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Friday, June 22, 2007
DVD Media
DVD-Video FILE STRUCTURES WORKFLOW
(PCM)
SOURCES
ELEMENTARY STREAMS
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AUTHOR
MUXED
DVD Media
DVD-Video FILE STRUCTURES
! AUDIO TITLE SET folder The AUDIO_TS folder is a part of the
original DVD-Video specication and is not populated with les in a DVDVideo disc. generate this folder. It is used primarily in the DVD-Audio disc format.
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DVD Authoring software packages still
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Friday, June 22, 2007
DVD Media
DVD-Video FILE STRUCTURES
! VIDEO TITLE SET folder The VIDEO_TS folder must be at the
top or root directory level of the DVD-Video disc.
If other folders and les exist at the
root level, they are related to enhanced features provided on the disc and make the disc a "Hybrid DVD."
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DVD Media
DVD-Video FILE STRUCTURES
! VIDEO TITLE SET folder (cont'd) Contains the various Title Sets (VTS) for a
DVD-Video.
A VTS represents a "Title," which is a
movie or track on a DVD-Video.
The VIDEO_TS folder also contains
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information about the navigation structure for the disc and its menus/scripting.
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Friday, June 22, 2007
DVD Media
DVD-Video FILE STRUCTURES
! VIDEO TITLE SET folder (cont'd) The VIDEO_TS folder can contain many
Video Title Sets.
Usually, one Video Title Set represents the
main movie. Other Video Title Sets represent supplementary materials, movie trailers, lmographies, etc. VOB + IFO + BUP.
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A VTS consists of three les:
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DVD Media
DVD-Video FILE STRUCTURES
Video Object
! VIDEO TITLE SET folder: VOB The VOB les are the Presentation Files VOBs contain the multiplexed menus,
(Video Object)
audio, video, and subtitle streams for a Title (may be CSS scrambled). These are the presentation or displayed contents for a DVD-Video. A VOB can be no larger than 1GB. If so, it spills over into another VOB of another VTS within the Video_TS folder.
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Friday, June 22, 2007
DVD Media
DVD-Video FILE STRUCTURES
! VIDEO TITLE SET folder: VOB Under normal conditions, one cannot de-
multiplex the menus, audio, video and subtitle streams in order to de-construct or change the content. Actual re-authoring and re-multiplexing is required. called MPEG Streamclip (Mac or Windows); demuxes VOBs (and other functions)
There is a freeware tool from SQUARED5
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DVD Media
DVD-Video FILE STRUCTURES
! VIDEO TITLE SET folder: IFO The IFO les are the Navigation Files. The IFO le contains the navigation
aspect ratio and language selection.
instructions, including jumps, programs and button denitions.
It also contains the set up options such as An IFO can be no larger than 1GB. If so, it
spills over into another IFO of another VTS.
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DVD Media
DVD-Video FILE STRUCTURES
! VIDEO TITLE SET folder: BUP The BUP les are the Backup Files. The BUP le is a duplicate of the IFO le
for that set. This duplicate is used to avoid data being lost through scratches or errors on the DVD-Video disc. outside rings of the DVD, far away from its parent IFO le.
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The BUP is usually physically located on the
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DVD Media
DVD-Video FILE STRUCTURES
! HYBRID DVD FILES If the DVD contains supplementary
enhanced content, such as games and web accessibility, then these les are contained at the top most directory structure. platform ( see Interactual Player ). cross-platform capable.
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These les are often specic to a computer Director Projector Files and Flash Files are
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DVD TNG HD Media
DVD FORMATS for HIGH DENSITY DVDs
! SD-DVD Data structure is organized into LAYERS
BACKGROUND CONTENT SUBPICTURE CONTENT
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DVD TNG HD Media
DVD FORMATS for HIGH DENSITY DVDs
! SD-DVD Data structure is organized into LAYERS
video audio still images menus "normal state" buttons
WHAT IS DISPLAYED...
BACKGROUND CONTENT SUBPICTURE CONTENT
subtitles "selected" & "activated" button highlights
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OVERLAYS...
Friday, June 22, 2007
