From: James Darnley <james.darnley at gmail.com> > On 11/10/2011, John Doe <jdmls at yahoo.com> wrote: >> But still get "constant rate-factor is incompatible with 2pass." > If you want to use 2-pass, set a bitrate. Indeed, problem solved. I thought it would choose the input bitrate as default for the output... Thx, JD