Re: GStreamer xwidget

[Richard Stallman]

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  > > +         && gst_registry_find_feature (registry, "videotestsrc",
  > > +                                       GST_TYPE_ELEMENT_FACTORY)

  > > +      xw->gst_source = gst_element_factory_make ("videotestsrc", NULL);
  ...

You seem to know something about this code.  Can you explain the
meaning of it?  What the dats structures are, and what these
operations actually do?

I'm trying to find out how Emacs determines which plug-ins to use
for any given argument supplied by the ueer.  And what do they depend on?
Does a given file format fully determine the plug-ins to use?

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)