[Intel-gfx] VAAPI (master or ext) no deinterlacing with Clarkdale GPU

Xiang, Haihao haihao.xiang at intel.com
Wed Feb 1 01:27:02 CET 2012


   I know what is the problem. For some reason, the native pixel format
for MPEG-2 decoding on Clarkdale is I420, however the input pixel format
of deinterlacing is NV12 in the driver, so the driver doesn't support
deinterlacing for MPEG-2 on Clardale. We will try to fix this issue but
don't expect it too soon.

BTW you can send all VAAPI related mail to libva at lists.freedesktop.org
as well.


> Atechsystem <Atechsystem <at> freenet.de> writes:
> > 
> > 
> > Hello,
> >  
> > I’ve written an email to Haihao Xiang regarding the “no deinterlacing” bug on
> Clarkdale a week ago and he answered today. He will check this issue. I’ll hope
> he can fix it. Will the extended vaapi-ext deinterlacers (temporal or spatial I
> guess) also be available on Clarkdale platform? I tried the extended DXVA
> hardware deinterlacing on Windows today and it worked fine on my CoreI3
> Clarkdale Laptop CPU J
> >  
> > Best regards
> > Atech
> Hi Atech,
> same problem over here. I am on vaapi-ext and latest xbmc. I can select Bob and
> Bob (inverted) as deinterlacers in xbmc. With MPEG2 material deinterlacing
> doesn't work at all. With H.264 video it seems to deinterlace, but video is
> stuttering and I have lots of frame drops.
> Hardware: Core i3 530
> Software: Ubuntu 11.11 x86 minimal with latest xorg stuff (edgers:ppa) and
> vaapi-ext branch for libva and intel-vaapi
> Regards,
> Christoph / Flachzange
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