[Bug 794507] waylandsink: gstbuffer which made by waylandsink buffer pool

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=794507

--- Comment #8 from Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> ---
(In reply to Hyunil Park from comment #7)
> Is below command non-zero-copy, right?
> gst-launch-1.0 videotestsrc ! waylandsink

It is zero-copy in GStreamer, videotestsrc uses wayland SHM based proposed
allocator and write into these buffers. The SHM is passed zero-copy to the
compositor, which of course will likely have to copy to GL, but this is what
wayland offers without custom extensions (like Tizen seems to do).

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