[Bug 679286] New: [0.11]

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=679286
  GStreamer | gstreamer (core) | 0.11.x

           Summary: [0.11]
    Classification: Platform
           Product: GStreamer
           Version: 0.11.x
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: t.i.m at zen.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=217885)
 View: https://bugzilla.gnome.org/attachment.cgi?id=217885
 Review: https://bugzilla.gnome.org/review?bug=679286&attachment=217885

bus: don't return bus with floating ref from gst_element_get_bus()

This little python code causes warnings and assertions on exit:

-------------------------------------------------------------------------
from gi.repository import GObject, Gst

GObject.threads_init()
Gst.init(None)

pipeline=Gst.Pipeline()
bus = pipeline.get_bus()
pipeline.set_state(Gst.State.NULL)
del pipeline;
-------------------------------------------------------------------------

It looks like py-gi might be reacting badly to _get_bus() returning a GstBus
that still has the floating flag set (since it is a GstObject and hence a
GInitiallyUnowned).

The attached patch seems to make it work fine for me, but I'm not sure how
kosher it is.

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