[Bug 744044] GStreamer-CRITICAL **: gst_mini_object_unref: assertion 'mini_object->refcount > 0' failed

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=744044
  GStreamer | gst-plugins-good | 1.4.5

--- Comment #2 from Costin B <costinb7 at gmail.com> 2015-02-05 15:03:23 UTC ---
Thank you for answering me Thiago.
Here you have the backtrace (I did exactly as in the tutorial):

(gdb) bt
#0  0x00007f957c180c83 in g_logv (log_domain=0x7f957c96a01c "GStreamer",
log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>,
args=args at entry=0x7fff36de6588) at gmessages.c:989
#1  0x00007f957c180df2 in g_log (log_domain=<optimized out>,
log_level=<optimized out>, format=<optimized out>) at gmessages.c:1025
#2  0x00007f957c9165ac in gst_event_unref (event=<optimized out>) at
../gst/gstevent.h:448
#3  remove_events (pad=0x1fc49a0) at gstpad.c:416
#4  0x00007f957c91c39f in post_activate (new_mode=GST_PAD_MODE_NONE,
pad=0x1fc49a0) at gstpad.c:969
#5  gst_pad_activate_mode (pad=pad at entry=0x1fc49a0,
mode=mode at entry=GST_PAD_MODE_PUSH, active=active at entry=0) at gstpad.c:1154
#6  0x00007f957c91cb2e in gst_pad_set_active (pad=0x1fc49a0, active=0) at
gstpad.c:1031
#7  0x00007f957c8fdcd3 in activate_pads (vpad=<optimized out>,
ret=0x7fff36de6810, active=0x7fff36de686c) at gstelement.c:2687
#8  0x00007f957c90e9d4 in gst_iterator_fold (it=it at entry=0x1fcf290,
func=func at entry=0x7f957c8fdcb0 <activate_pads>, ret=ret at entry=0x7fff36de6810,
user_data=user_data at entry=0x7fff36de686c) at gstiterator.c:612
#9  0x00007f957c8fe005 in iterator_activate_fold_with_resync
(iter=iter at entry=0x1fcf290, user_data=user_data at entry=0x7fff36de686c,
func=0x7f957c8fdcb0 <activate_pads>) at gstelement.c:2707
#10 0x00007f957c8ffcd9 in gst_element_pads_activate
(element=element at entry=0x1fc7080, active=active at entry=0) at gstelement.c:2743
#11 0x00007f957c90007c in gst_element_change_state_func (element=0x1fc7080,
transition=<optimized out>) at gstelement.c:2815
#12 0x00007f9579527580 in gst_multipart_demux_change_state (element=0x1fc7080,
transition=GST_STATE_CHANGE_PAUSED_TO_READY) at multipartdemux.c:696
#13 0x00007f957c901dcc in gst_element_change_state
(element=element at entry=0x1fc7080, transition=<optimized out>) at
gstelement.c:2602
#14 0x00007f957c9027a1 in gst_element_set_state_func (element=0x1fc7080,
state=GST_STATE_READY) at gstelement.c:2558
#15 0x00007f957c8e482c in gst_bin_element_set_state (next=GST_STATE_READY,
current=GST_STATE_PAUSED, start_time=111949529717, base_time=2698073910324483,
element=0x1fc7080, bin=0x1fd0050) at gstbin.c:2328
#16 gst_bin_change_state_func (element=0x1fd0050,
transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstbin.c:2665
#17 0x00007f957c922c03 in gst_pipeline_change_state (element=0x1fd0050,
transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstpipeline.c:469
#18 0x00007f957c901dcc in gst_element_change_state
(element=element at entry=0x1fd0050, transition=<optimized out>) at
gstelement.c:2602
#19 0x00007f957c9027a1 in gst_element_set_state_func (element=0x1fd0050,
state=GST_STATE_READY) at gstelement.c:2558
#20 0x0000000000403d22 in main (argc=10, argv=0x7fff36de7098) at
gst-launch.c:1147
(gdb)

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