Comment 2 for bug 1270751

StacktraceTop:
 gst_decode_group_control_demuxer_pad (group=0x7f88b80049c0, pad=pad@entry=0x7f88b8127470) at gstdecodebin2.c:3132
 connect_pad (chain=0x7f88bc03b430, factories=0x7f88d9f282c0, caps=0x7f88d9f22280, pad=0x7f88b8127470, dpad=0x7f88bc01f0c0, src=0x7f889c008e20, dbin=0x7f88c401f360) at gstdecodebin2.c:1830
 analyze_new_pad (dbin=dbin@entry=0x7f88c401f360, src=src@entry=0x7f889c008e20, pad=pad@entry=0x7f88b8127470, caps=caps@entry=0x7f88d9f22280, chain=<optimized out>, chain@entry=0x7f88bc03b6d0) at gstdecodebin2.c:1662
 pad_added_cb (element=0x7f889c008e20, pad=pad@entry=0x7f88b8127470, chain=0x7f88bc03b6d0) at gstdecodebin2.c:2453
 g_cclosure_marshal_VOID__OBJECTv (closure=0x7f88ac005b60, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x7f88d9ef2f30) at /build/buildd/glib2.0-2.36.0/./gobject/gmarshal.c:1312