[Libva] Image corruption with overlay on Up board

[Xiang, Haihao]

Hi Yann,

Are you using libva? what is v0.7.1 / v0.7.2?

Thanks
Haihao

> I have a decoding app which successfully decodes an h.264 stream on
> several platforms,
> both with i965 and amdgpu backends. If I add a simple rectangle
> overlay on one part of the
> stream, while it's working on some i965 platforms, on the UP board we
> can see a good number
> of horizontal short black line artifacts on the overlay area while
> it's displayed, and a very large
> quantity of them once the overlay is removed.  The artifacts
> progressively with each frame,
> as long as no overlay is modified.
> 
> Is this a problem others have seen ?  Could it come from a wrong
> usage
> of overlays, which only by
> just luck works elsewhere ?
> 
> This is using v0.7.1 (0.7.2 changes do not mention any fix of the
> sort).
>