[Bug 105145] vaExportSurfaceHandle interaction with surface interlaced flag prevents switching on vaapi deinterlacing dynamically

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105145

Christian König <ckoenig.leichtzumerken at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |enhancement
             Status|RESOLVED                    |VERIFIED

--- Comment #6 from Christian König <ckoenig.leichtzumerken at gmail.com> ---
(In reply to k.philipp from comment #5)
> There are some surface hints, but I'm not sure if they fit this use case.

Setting the DISPLAY hint can be used with KMS to display the result without
copying it, so that is not what we are searching for.

But checking the documentation once more VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ
actually sounds exactly like what we need.

E.g. we switch over to allocate all surfaces in the progressive/frame format
and only use the interlaced/field format when
VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ is given.

Now you just need to find somebody volunteering to implement that :)

I can assist finding the proper places in the code, but I don't have time to do
it myself.

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