[Bug 760502] waylandsink: Preconditon of display handle is wrong, waylandsink need to change form GST_ELEMENT_ERROR to GST_ELEMENT_WARNING in gst_wayland_sink_set_window_handle

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=760502

Daniel Stone <daniel at fooishbar.org> changed:

           What    |Removed                     |Added
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                 CC|                            |daniel at fooishbar.org

--- Comment #2 from Daniel Stone <daniel at fooishbar.org> ---
(In reply to Hyunil Park from comment #0)
> This is a precondition that waylandsink can not use externally-supplied
> surface without an externally-supplied display handle 
> 
> But this preconditon is wrong !!!.
> display is only used to communicate with Wayland-server.
> Waylandsink can use internal display handle which is created waylandsink.
> And It is working well with externally-supplied surface.

I don't understand how this can possibly be true. To display a wl_buffer, you
must have a handle to a wl_surface. Handles to wl_surfaces cannot be shared
between clients - the object ID space in Wayland is per-client, and there are
no global objects. So how can the application supply a wl_surface handle for
the sink to use, when they have a different connection?

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