[Bug 705579] Playbin prevents plugins requesting a GstContext to work properly

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Sep 23 01:40:31 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=705579

--- Comment #8 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
(In reply to Matthew Waters from comment #7)
> Right so I currently have a couple of cases where the context machinery does
> not work inside playbin/playsink as it stands currently.
> 
> Basically it seems to boil down to the propagation of the GstContext from
> the sink in NULL->READY will never reach playsink/playbin as playsink tries
> to set the element to ready before adding it to the bin.  This also
> highlights a problem with GstContext and dynamic pipelines.  Adding an
> element that has already propagated a GstContext to a bin will fail to
> re-propagate the GstContext through the pipeline.

This probably means that gst_bin_add_func() should call
gst_element_get_context(), and propagate whatever context comes back?

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