> I dunno if this makes a difference, but did you try "1M"? In metric > prefixes, m = milli (10^-3), but M = mega (10^6). I'm not sure if > ffmpeg takes this into account or not, but it's worth checking. That does appear to work, thanks. I guess I didn't know that in metric little "k" means kilo but big M means mega. Weird. -roger-