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Package: dvd-munitions.tar.gz [view]
Upload User: aoeyumen
Upload Date: 2007-01-06
Package Size: 3329k
Code Size: 1k
Category:
DVD
Development Platform:
Unix_Linux
- ac3dec - a free AC-3 stream decoder
- Written by Aaron Holtzman (aholtzma@engr.uvic.ca)
- Contributors:
- Michael Holzt <kju@flummi.de>
- See the file COPYING for license details.
- The currently supported platforms are Linux and Solaris. If you want
- support for other plaforms, take a look at output_*.c for an idea
- of what you need to do.
- This software is completely useless to 99.99 percent of users
- out there. It is mostly of use to those interested in audio
- coding research and evaluating codecs. It could theoretically
- be used as a portion of a DVD playback system for unix systems.
- There are issues with DVD encryption and licensing that need to be
- resolved however.
- HOW TO COMPILE
- Building ac3dec should be easy. Here's how:
- ./configure && make all
- USAGE
- To find AC-3 streams on the internet, use www.google.com and
- search for "vob trailer". A vob is a "Video Object" which is
- just an MPEG-2 stream. The site www.hollywood.com has a
- few good MPEG-2s with AC-3 audio. The program tools/extract_ac3
- will take an MPEG-2 stream and spit out AC-3 audio to stdout if
- it exists. You can easily pipe this data to the ac3 player like
- this:
- ./tools/extract_ac3 foo.vob | ./decode
- DEBUG OUTPUT
- You can get a whole pile of debug info by setting the environment
- variable AC3_DEBUG=1. Be sure to pipe stderr to a file or you probably
- won't get realtime playback. You can pipe stderr to a file like so:
- ./decode foo.ac3 2> debug.out