#0  sbc_typefind (tf=0x7fffb25b2230, ignore=<value optimized out>)
#1  0x00002b05fd89ffe9 in gst_type_find_factory_call_function (
#2  0x00002b05fd62bb8c in gst_type_find_helper_get_range (obj=0x766320, 
#3  0x00002b06039bc99f in gst_type_find_element_activate (pad=0x75e2e0)
#4  0x00002b05fd889c89 in gst_pad_set_active (pad=0x75e2e0, active=1)
#5  0x00002b05fd8730fb in activate_pads (pad=0x9f32e8, ret=0x7fffb25b2400, 
#6  0x00002b05fd87e3f3 in gst_iterator_fold (it=0x69b780, 
#7  0x00002b05fd872bf6 in iterator_activate_fold_with_resync (iter=0x69b780, 
#8  0x00002b05fd872cd6 in gst_element_pads_activate (element=0x70e7e0, 
#9  0x00002b05fd872fe6 in gst_element_change_state_func (element=0x70e7e0, 
#10 0x00002b06039bb29a in gst_type_find_element_change_state (
#11 0x00002b05fd86fc20 in gst_element_change_state (element=0x9f32e8, 
#12 0x00002b05fd8700a3 in gst_element_set_state_func (element=0x70e7e0, 
#13 0x00002b05fd863fc7 in gst_bin_change_state_func (element=0x6405d0, 
#14 0x00002b0603bd2715 in gst_decode_bin_change_state (element=0x6405d0, 
#15 0x00002b05fd86fc20 in gst_element_change_state (element=0x9f32e8, 
#16 0x00002b05fd8700a3 in gst_element_set_state_func (element=0x6405d0, 
#17 0x00002b05fd863fc7 in gst_bin_change_state_func (element=0x640430, 
#18 0x00002b05fd88c86b in gst_pipeline_change_state (element=0x640430, 
#19 0x00002b05fd86fc20 in gst_element_change_state (element=0x9f32e8, 
#20 0x00002b05fd86fd01 in gst_element_change_state (element=0x640430, 
#21 0x00002b05fd8700a3 in gst_element_set_state_func (element=0x640430, 
#22 0x000000000040a16f in rb_metadata_load (md=0x632020, 
#23 0x0000000000408277 in _handle_message (connection=0x643480, 
#24 0x00002b05feab3119 in _dbus_object_tree_dispatch_and_unlock (
#25 0x00002b05feaa69bb in dbus_connection_dispatch (connection=0x643480)
#26 0x00002b05fe880f75 in message_queue_dispatch (
#27 0x00002b05fef48fd3 in IA__g_main_context_dispatch (context=0x63f520)
#28 0x00002b05fef4c2dd in g_main_context_iterate (context=0x63f520, block=1, 
#29 0x00002b05fef4c5ea in IA__g_main_loop_run (loop=0x648d30)
#30 0x0000000000407c83 in main (argc=<value optimized out>, 
#31 0x00002b05ff635b44 in __libc_start_main () from /lib/libc.so.6
#32 0x0000000000407939 in _start ()