First you need CentOS 6.
Then you need ffmpeg 0.7, available from the
NauLinux school repo. You might already have ffmpeg 0.6.5 installed, in which case you'll need
rpm -e ffmpeg-libpostproc --nodeps before doing
yum --enablerepo=naulinux-school install ffmpeg. (If you skip this step, you end up with an error that looks like
Unrecognized option 'vf'. Or at least you will if can find stderr, which might be in
Finally you install devede, which is written in Python but is surprisingly non-fail.
Linux tech has a repo. Set up that repo, then run
yum --enablerepo=linuxtech-testing --enablerepo=rpmforge install devede.