[Bug 796521] msdk: Playback not smooth by using ximagesink.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796521

--- Comment #4 from Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> ---
(In reply to sreerenj from comment #2) 
> Somehow, dmabuf backed NV12 to regular NV12 VA surface (not dmabuf)
> operation is taking more time. Extremely slow and fps dropping more than 50%.

Did you check the backing memory type ? Sounds like the NV12 data is
non-cpu-cachable and BGRx data is cpu-cachable. The performance impact on CPU
processing will be huge if that is the case.

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