[Bug 766704] vaapi: sharing display handle between app and vaapi elements

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=766704

--- Comment #6 from sreerenj <bsreerenj at gmail.com> ---
(In reply to Víctor Manuel Jáquez Leal from comment #5)
> (In reply to sreerenj from comment #4)
> > (In reply to Víctor Manuel Jáquez Leal from comment #2)
> > > Yup. At least we should expose GstVaapiDisplay. But furthermore, we should
> > > turn it into a GstObject derived class, hence we could have
> > > gobject-introspection for free.
> > 
> > I think we have an easy solution: vaapi elements should behave like gl
> > elements :)
> > 
> > If app using wayland , it set "GstWaylandDisplayHandleContextType" with
> > wl_display, 
> > if app using x11, it set "gst.x11.display.handle" with Display etc.
> > 
> > And just create GstVaapDisplay inside gstreamer-vaapi, so no more new APIS.
> > Missing something?
> 
> That's what we almost have. The missing bits would be the  negotiate
> external context (bug 766206 and bug 705821). But it won't fix, for example,
> bug 	754820, because the application would like to have different
> GstVaapiDisplay in same pipeline.

Aha all the display cache stuffs back again!

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