On Tue, Dec 1, 2009 at 11:33 PM, Erich Marth <destinationcloud at googlemail.com> wrote: > But by calling x264 with --qp 9 I do get an internal i_qp of 6 Because by default ipratio is 1.4, which leads to I-frames having a QP 3 lower than the overall quantizer of the video. Dark Shikari