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

[GStreamer (GNOME Bugzilla)]

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

--- Comment #8 from Nicolas Dufresne (ndufresne) <nicolas at ndufresne.ca> ---
The issue might come from the way read the NV12 memory in videoconvert. When
you output BGRx, the code that reads the memory is simply do memcpy(), which in
the converter, we will do random pixel access, and I'm thinking this could be
extremely slow without cache. What's the reason for not producing cacheable
buffers on memory coherant system like Intel platform ?

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