[Bug 684237] videomixer: Caps negotiation does not always work

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=684237
  GStreamer | gst-plugins-good | git

--- Comment #56 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2013-05-20 15:33:39 UTC ---
(In reply to comment #55)
> Why would that ever loop? Upstream would check if it can negotiate something
> new here, if it can't (or ignores the reconfigure event), at latest stuff will
> error out when buffers are pushed (because then an incompatible caps event
> would be forwarded, and core checks with accept-caps if caps are supported
> before forwarding that event).

Maybe accept_caps() should not be documented as optional anymore, would make
stuff less confusing. Asside this, I agree that a element resending the same
caps when reconfigure is set while sending caps event is wrong.

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