On Mon, 12 Nov 2007 10:45:52 -0500 Jerry Geis <geisj at pagestation.com> wrote: > I am trying to use the seek to byte location (-sb) > to restart a video (mp4) at the point I stopped it. You should simply use -ss instead. -sb is only useful for very specific cases, generally debugging. You can't just input any number, and expect the video to play.