On Tue, 06 Feb 2007 10:18:09 -0700 Sean Montague <sean at videobloom.com> wrote: > Does (pass 1/:2) mean specify it on both passes, Yes. > "[flv @ 0x85b7468]Error: 2pass curve failed to converge" That probably means you've used a significantly different bitrate on each pass. It might also be a bug, which was in quite old versions of MPlayer.