debian如何裝mencoder, avidemux

vi /etc/apt/sources.list

新增

# debian multimedia
# wget -c http://www.debian-multimedia.org/pool/main/d/debian-multimedia-keyring/debian-multimedia-keyring_2008.10.16_all.deb
# sudo dpkg -i debian-multimedia-keyring_2008.10.16_all.deb

deb http://ftp.tw.debian.org/debian-multimedia/ sid main
deb-src http://ftp.tw.debian.org/debian-multimedia/ sid main

#=======
$ aptitude update
$ aptitude install mencoder avidemux

使用mplayer把.asf轉.wav

vi asf2wav.sh

#!/bin/bash

if [ $# = 0 ]
then
echo "usage: $0 (filename)"
exit
fi

mplayer -vo null -vc dummy -ao pcm:file=$1.wav $1

#=====
參考:
mplayer -vo help
mplayer -ao help
mplayer -vc help
mplayer -ac help