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NAME

       vamps - Tool to recompress and modify the structure of a DVD

SYNOPSIS

       vamps [--evaporate|-e factor] [--ps-evaporate|-E factor] [--audio|-a a-
       streama-stream...]       [--subpictures|-s       s-stream,s-stream,...]
       [--verbose|-v]     [--inject|-i     injections-file]    [--preserve|-p]
       [--ps-size|-S input-bytes] <input>output ...

DESCRIPTION

       Vamps was written to make cheap backups of DVDs under Linux.

       Vamps builds a wrapper around the requantizer to extract the elementary
       MPEG2  video  stream from the DVD's program stream, feed it through the
       requantizer and finally re-pack  it  into  the  program  stream  again.
       Besides  this,  Vamps  allows to select audio and subtitle streams that
       should be copied into the output stream. This gives another small  gain
       of disk space, since unwanted streams may be discarded.

       Vamps  is  only  a  very  basic,  but  nevertheless  essential  tool to
       transcode DVD videos to a smaller size.  Vamps does not need  to  write
       temporary  data files, which is a major advantage.  Vamps is very fast.
       The downside is, that Vamps is not capable of making DVD backups on its
       own.

OPTIONS

       For  options  that  require an argument, each duplication will override
       the previous argument value.

       --evaporate, -e factor
              factor by  which  the  embedded  elementary  video  stream  will
              approximately be shrunk (>=1.0)

       --ps-evaporate, -E factor
              factor  by  which the whole program stream will approximately be
              shrunk (>=1.0) -e and -E are mutually exclusive.

       --audio, -a a-streama-stream...
              select audio streams to keep. First stream is 1.

       --subpictures, -s s-streams-stream...
              select subtitle streams to keep. First stream is 1.

       --verbose, -v
              Increase verbosity level by one.

       --inject, -i injections-file
              Load internal variable settings from file to seamlessly continue
              previous  run.  Write  internal  variables  to  file  at program
              termination.  If file does not exist, it is created.  Useful  to
              shrink several parts (chapters, titles) to a single target DVD.

       --preserve, -p
              Preserve  numbering  of  audio  and  subtitle streams. If called
              without this option, Vamps renumbers the  streams  to  ascending
              numbers starting with 1. This option disables renumbering so the
              original stream numbers are kept.

       --ps-size, -S input-bytes
              If the input for Vamps does not come from a file (e.g. a  pipe),
              the  size of the full input program stream *MUST* be supplied in
              the command line. Size is in bytes.

AUTHORS

       This manual page was written by Claudio Moratti <maxer@knio.it> for the
       Debian system (but may be used by others).  It was slightly modified by
       Rogerio Brito <rbrito@ime.usp.br>.  This document is released under the
       terms of the GNU General Public License, Version 2 and later.



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