[gstreamer-bugs] [Bug 599585] gstrtph263pay does not allow H263 Mode B

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=599585
  GStreamer | gst-plugins-good | 0.10.16

--- Comment #7 from leon.72 at hotmail.de 2009-10-29 22:25:48 UTC ---
Is there a possibility that a element of a pipeline get access to the previous
element in the pipeline and just querys if a certain property (like a pointer)
on that element?

So rtph263depay would check its previous element (in our case it is ffenc_h263)
for a property named "rtp_callback_ptr". It would set that property with a
pointer to its own rtp_callback service function, and voila everything is fine.

Just the thing I don't know is how a element of a pipeline get a reference to
the previous element in the pipeline? Does anybody know that?

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