On 19/05/17 14:10, Mark Thompson wrote: > On 19/05/17 00:43, Jun Zhao wrote: >> >> On 2017/5/14 12:26, Jun Zhao wrote: >>> V3: - Fix build error with old VAAPI version. >>> V2: - Refine the name/value type to mb_rate_control/bool. >>> - Only supported GEN9+ (SKL/APL/KBL/...) >>> - i965 driver default use frame-level rate control algorithm (generate >>> the QP for each frame), >>> when enable mb_rate_control, it's will enable the MB-level RC >>> algorithm (generate the QP for each MB). >>> - enables MB-level bitrate control that generally improves subjective >>> visual quality, >>> but have negative impact on performance and objective visual quality >>> metric. >>> >> >> Ping ? > > I fixed the default/enable/disable inconsistency in > <https://github.com/01org/intel-vaapi-driver/commit/0dd6ba4e26d3abaa7e66265284ef81c746c13f20>. > Using 0/1 as default/on is probably fine, but it doesn't match the > statement that it's definitely disabled if the option is zero. (I don't mind > which way around that gets fixed.) > > I tested with this patch and it works fine on a Skylake GT3 (6260U), but it > killed the whole machine when enabled on a Skylake GT2 (6300). I haven't yet > had chance to investigate that further (rebooting repeatedly is kindof > inconvenient), but I will try to do so soon.
This failure is completely consistent. Reported here: <https://github.com/01org/intel-vaapi-driver/issues/172>. You will understand that I am reluctant to commit an option which nukes my machine, so lets hold off on this patch while the Intel driver people look at it. Thanks, - Mark _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel