On Fri, 2013-09-13 at 16:09 +0800, Xiang, Haihao wrote: > On Fri, 2013-08-30 at 11:43 +0100, Simon Farnsworth wrote: > > Hello, > > > > > > > > We're attempting to use VA-API on Intel Gen 6 and Gen 7 hardware to > > replace software decoders, and we're hitting quality issues with the > > VPP deinterlacing support. Our CPUs range from Celeron 847 (low-end > > SNB) to Core i3-3220 (mid-range IVB). > > The Bob DI quality is improved both for SNB and IVB in master and > staging branch, could you give a try ? > > > > > > > > > Specifically, it appears to only support bob deinterlacing, which on > > the common "ticker tape" horizontal scrolling text used on news > > channels looks awful (you can see the alternating fields bob up and > > down. > > > > > > > > The description of the deinterlace algorithm in the public SNB > > documentation, volume 4 part 1 section 2.8, suggests that the hardware > > is capable of motion adaptive deinterlacing to get better results. > > Will this be enabled in the intel driver at some point? > > motion adaptive deinterlacing is enabled on IVB too.
Currently it is only enabled in staging branch. > > You can use gst-vaapi to test BobDI/MADI: > > 1> clone 0.4 branch from > git://gitorious.org/gst-plugins-vaapi/gst-plugins-vaapi.git > 2> gst-launch-0.10 filesrc location= <URL> ! ... ! vaapidecode ! > vaapipostproc deinterlace=1 deinterlace-method=1 ! vaapisink # BobDI > gst-launch-0.10 filesrc location= <URL> ! ... ! vaapidecode ! > vaapipostproc deinterlace=1 deinterlace-method=3 ! vaapisink # MADI > > > > > -- > > > > Simon Farnsworth > > > > Software Engineer > > > > ONELAN Ltd > > > > http://www.onelan.com > > > > > > > > _______________________________________________ > > Libva mailing list > > [email protected] > > http://lists.freedesktop.org/mailman/listinfo/libva > > > _______________________________________________ > Libva mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/libva _______________________________________________ Libva mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/libva
