Adding a comment to indicate that this is a problem with the 10bpc
support which is enabled in Radeon graphics. I am unsure if it is
enabled in Intel's drivers, so that would explain why it does not occur
there. Either VA-API is outputting wrong, the client library is
outputting wrong, or all the player applications are wrong. Something
appears to be matching the buffers to each other without a conversion,
simply because both RGBA32 and RGBA10-10-10-2 have the same number of
bytes per pixel, but clearly completely different structure.
A workaround is to add the following to the //driconf/device section of
/etc/drirc:
<application name="Default">
<option name="allow_rgb10_configs" value="false"/>
</application>
Clearly, this workaround should not be the only way, since someone in
the processing chain clearly wants 10bpc support, and some applications
can benefit from it, somehow.
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https://bugs.launchpad.net/bugs/1767312
Title:
[radeon] Totem with gstreamer1.0-vaapi and Xorg: wrong color on H264
videos
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