short steps to make DVD from video
(if you have more files, you can join them accordiong: http://smealko.blogspot.com/2008/07/how-to-join-more-video-files-into-one.html
if needed install those packages before: mplayer videotrans dvdauthor mkisofs libxvidcore4)
movie-to-dvd -m pal movie.avi
mplex -f 8 -o movie.mpg movie.m2v movie.ac3
dvdauthor -o dvd/ -t movie.mpg
dvdauthor -o dvd/ -T
mkisofs -dvd-video -v -o movie.iso dvd