avidemux-core : Core libraries for simple video cutting, filtering and encoding tasks ( http://fixounet.free.fr/avidemux )
avidemux-plugins : Plugins for the video editor media-video/avidemux ( http://fixounet.free.fr/avidemux )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a mv
For Paludis use this rsync : rsync://gentoo.zugaina.org/mv-portage
If you have a problem : ycarus(-at-)zugaina.org