On Sat, 8 Feb 2003, Radek Czyz wrote: > P-frames alone - filesize gain ~4%, PSNR loose ~0.1dB. > with B-frames (@ q4) - filesize gain ~6%, PSNR... well unknown :P xvid_bstat.c in examples dir does PSNR for bframes as well. It's plain ugly, but it works. gruel