[Libva] regression from 1.2: ivybridge + i965/libva=1.3 decodes solid black with mpv --hwdec=vaapi --vo=opengl

[Xiang, Haihao]

It is the similar to
https://bugs.freedesktop.org/show_bug.cgi?id=76755 , however I can not
reproduce #76755 on my machine. I will try with mpv.

Thanks
Haihao


> With the lastest mpv/ffmpeg[1] from git master, 
> 
> $ mpv --no-config --hwdec=vaapi --vo=opengl <h264file>
> 
> shows a solid black screen when linking to vaapi/intel-driver 1.3 and
> greater (including git master of both). There are no problems however
> with vaapi/intel-driver 1.2.2.
> 
> 
> On the other hand,
> 
> $ mpv --no-config --hwdec=vaapi --vo=vaapi <h264file>
> works fine with 1.3, so it seems to be some issue with opengl interop.
> 
> 
> This poroblem is only exhibited on an Ivy Bridge machine. A comparably
> configured Sandy Bridge machine decodes as expected with the first
> command in all cases.
> 
> 
> 
> Any Ideas?
> 
> 
> 
> Kevin
> 
> 
> [1] http://mpv.io/
> Debian Bug #743701 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%
> 23743701
> 
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