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__dvdauthor__ is a suite of programs for authoring [DVD-Video|DVDVideo] discs and performing related tasks. __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. __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. __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. __spuunmux__ similarly 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. <tt>dvdunauthor</tt> and <tt>spuunmux</tt> are very useful for trying to understand the structure of existing DVD-Video titles. __qdvdauthor__ 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 command-line 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, I'm pretty sure all these operations can be performed just as readily with [FFmpeg]. !See Also * [dvdauthor home page|http://dvdauthor.sourceforge.net/] at ~SourceForge. * ['Q' DVD-Author home page|http://qdvdauthor.sourceforge.net/] at ~SourceForge.
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