[Bug 698851] playbin: ability to mix or play multiple audio and text streams simultaneously

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=698851
  GStreamer | gst-plugins-base | git

--- Comment #41 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2013-05-29 16:51:53 UTC ---
(In reply to comment #40)
> I'm actually confused about where the elements are being ref'd in `gst_bin_add`
> (I looked at the source and don't see it), but I can confirm that it's
> happening with logging:

gst_bin_add() is actually doing a ref_sink. Which mean these a plausible:

ref_sink(obj ref 1) = obj ref 1
ref_sink(obj ref 1) = obj ref 2
ref_sink(obj ref n) = obj ref n + 1 if n > 1

If you want to keep a reference on an object, other then the one owned by the
bin, it's better to use ref_sink too.

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