[Bug 72220] [HSW/BYT/BDW sprite planes] Color error while playing video by 'mplayer -vo xv:adapter=1'

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72220

--- Comment #34 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to comment #33)
> Hmm, should that really be >= 071 then? Or maybe < 071?

Yeah >=071 seems like the right choice here. But that won't help mplayer as it
doesn't use XvQueryBestSize(). I cooked up a quick and dirty patch to make it
do that and it then it falls back to using swscale. But I'm not sure if such a
patch would be OK for upstream since the best size query is more of a hint, and
if the driver author was more worried about quality than anything else it might
reject the scaling request. Based on a quick look at all the open source
drivers only tdfx would fall back to swscale for downscaling with my patch, the
rest would seem unaffected. And I have no idea what the closed source drivers
would do.

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