Hi Andy, I just submitted 2 reviews for fixing the bit-rate issue. The 2 patches can be found at https://lists.freedesktop.org/archives/mesa-dev/2016-November/134944.html 0001-st/va: force to submit two consecutive single jobs 0002-st/va: fix gop size for rate control Please give a try and let me know how it works. Regards, Boyuan