[Bug 765039] [AVC][decode] Failed to configure the buffer pool.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=765039

--- Comment #2 from sreerenj <bsreerenj at gmail.com> ---
(In reply to Scott D Phillips from comment #1)
> This behavior starts with the commit:
> 
> 75a20de vaapidecode: Use video format derived from decoded surface as
> default...
> 
> That commit exposes some deficiencies in gstreamer-vaapi and
> vaapi/intel-driver regarding GRAY8 (Y800) videos. When you vaDeriveImage()
> with a surface from the failing video you get back an image with
> fourcc==Y800 (even though that format isn't returned by
> vaQueryImageFormats()).
> 
> The only change I see needed to gstreamer-vaapi to work with this video is
> adding GRAY8 to all the caps. Some changes in vaapi/intel-driver will be
> required though, see:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=94943

May be this could be the better option:
https://bugzilla.gnome.org/show_bug.cgi?id=764607#c11

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