Answer
Check out mediacoder (free btw) http://mediacoder.sourceforge.net/
mediacoder is a free universal audio/video batch transcoder distributed under gpl license, which puts together loads
of excellent audio/video codecs and
ls from the open source community into an all-in-one solution, capable of transcoding among different audio/video formats. with man
y extra features and a expandable architecture, mediacoder is more than a gui of a bunch of comman
d line
ls.