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[dvdauthor | http://dvdauthor.sf.net/] is a suite of programs for authoring [DVD-Video|DVDVideo] discs and performing related tasks.

* __dvdauthor__ itself takes a bunch of [MPEG] files representing the titles and menus, and puts them together according to the instructions in an [XML] file.

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* __dvdunauthor__ performs the opposite task to <tt>dvdauthor</tt>: given the files making up a DVD-Video title, it separates out the individual menus and titles into separate [MPEG] files, and constructs an [XML] file that <tt>dvdauthor</tt> can use to put them together again.

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* __spumux__ constructs the ''subpictures'' used for subtitles and menu buttons, and ''multiplexes'' them onto [MPEG]-2 files, according to instructions in an [XML] file. It also inserts information about the colours used in the subpictures, in a form that can be compiled by <tt>dvdauthor</tt> into the appropriate DVD-Video format.

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* __spuunmux__ performs the opposite task to <tt>spumux</tt>: given an [MPEG]-2 file containing a subpicture or menu definition, it extracts the subpicture layer into separate [PNG] files, and creates an [XML] file that <tt>spumux</tt> can use to put them together again.

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<tt>dvdunauthor</tt> and <tt>spuunmux</tt> are very useful for trying to understand the structure of existing DVD-Video titles.

['Q' DVD-Author | http://qdvdauthor.sf.net/] is a [GUI]-based tool to ease the job of [DVD] authoring. It can generate the [XML] files and command sequences necessary to drive the various CommandLine utilities in the <tt>dvdauthor</tt> suite.

<tt>qdvdauthor</tt> and the <tt>dvdauthor</tt> documentation examples make heavy use of the [MJPEG Tools | http://mjpeg.sourceforge.net/] package for generation of [MPEG] files and the like. However, all these operations can be performed just as readily with [FFmpeg].

One page links to dvdauthor:

LawrenceDoliveiro

Version 5, saved on Thursday, June 21, 2007 8:50:00 pm by LawrenceDoliveiro

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