(gdb) thread apply all bt

Thread 23 (Thread 0x7fffb75fe700 (LWP 21901)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe0019620) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe0019620, item=0x7fffb75fdd98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a6c0) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffb75fe700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 21 (Thread 0x7fffb7fff700 (LWP 21899)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe0019560) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe0019560, item=0x7fffb7ffed98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a5a0) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffb7fff700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 19 (Thread 0x7fffccdf9700 (LWP 21897)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe00194a0) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe00194a0, item=0x7fffccdf8d98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a480) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffccdf9700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 17 (Thread 0x7fffcd7fa700 (LWP 21895)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe00193e0) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe00193e0, item=0x7fffcd7f9d98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a360) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffcd7fa700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 15 (Thread 0x7fffce1fb700 (LWP 21893)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe0019320) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe0019320, item=0x7fffce1fad98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a240) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffce1fb700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 13 (Thread 0x7fffcebfc700 (LWP 21891)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe0019260) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe0019260, item=0x7fffcebfbd98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a120) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffcebfc700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 11 (Thread 0x7fffcf5fd700 (LWP 21889)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe00191a0) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe00191a0, item=0x7fffcf5fcd98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7fffe001a000) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffcf5fd700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 9 (Thread 0x7fffcfffe700 (LWP 21887)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe00190e0) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe00190e0, item=0x7fffcfffdd98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7baea0) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffcfffe700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 7 (Thread 0x7fffecb9f700 (LWP 21885)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x7fffe0019020) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x7fffe0019020, item=0x7fffecb9ed98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7bad80) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffecb9f700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x7fffed7bd700 (LWP 21884)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff4fa2ea2 in _gst_data_queue_wait_non_empty (queue=0x619700) at gstdataqueue.c:494
#3  0x00007ffff4fa3e16 in gst_data_queue_pop (queue=0x619700, item=0x7fffed7bcd98) at gstdataqueue.c:536
#4  0x00007ffff4ab886c in gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1183
#5  0x00007ffff7b70ce7 in gst_task_func (task=0x7bac60) at gsttask.c:316
#6  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#7  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#8  0x00007ffff6acb851 in start_thread (arg=0x7fffed7bd700) at pthread_create.c:301
#9  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7fffe7fff700 (LWP 21883)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007ffff6acd3be in _L_lock_995 () from /lib64/libpthread.so.0
#2  0x00007ffff6acd326 in __pthread_mutex_lock (mutex=0x792130) at pthread_mutex_lock.c:101
#3  0x00007ffff7171b41 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#4  0x00007ffff5cd3c9f in autoplug_select_cb (decodebin=<value optimized out>, pad=<value optimized out>, caps=<value optimized out>, factory=0x744a80, group=<value optimized out>)
    at gstplaybin2.c:3914
#5  0x00007ffff632ddac in ffi_call_unix64 () from /usr/lib64/libffi.so.5
#6  0x00007ffff632db34 in ffi_call () from /usr/lib64/libffi.so.5
#7  0x00007ffff761d761 in g_cclosure_marshal_generic () from /usr/lib64/libgobject-2.0.so.0
#8  0x00007ffff761f342 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#9  0x00007ffff76347c1 in ?? () from /usr/lib64/libgobject-2.0.so.0
#10 0x00007ffff7635a8a in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#11 0x00007ffff7636223 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#12 0x00007ffff5ccb7cc in proxy_autoplug_select_signal (element=<value optimized out>, pad=<value optimized out>, caps=<value optimized out>, factory=<value optimized out>, dec=0x79c050)
    at gsturidecodebin.c:1705
#13 0x00007ffff632ddac in ffi_call_unix64 () from /usr/lib64/libffi.so.5
#14 0x00007ffff632db34 in ffi_call () from /usr/lib64/libffi.so.5
#15 0x00007ffff761d761 in g_cclosure_marshal_generic () from /usr/lib64/libgobject-2.0.so.0
#16 0x00007ffff761f342 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#17 0x00007ffff76347c1 in ?? () from /usr/lib64/libgobject-2.0.so.0
#18 0x00007ffff7635a8a in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#19 0x00007ffff7636223 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#20 0x00007ffff5cc8619 in connect_pad (dbin=0x79c2b0, src=0x7fffe0026020, dpad=0x7ffff00220a0, pad=0x7fffe0020010, caps=<value optimized out>, factories=<value optimized out>, chain=
    0x7ffff0001c90) at gstdecodebin2.c:1987
#21 0x00007ffff5cc7acb in analyze_new_pad (dbin=0x79c2b0, src=<value optimized out>, pad=0x7fffe0020010, caps=0x680000, chain=0x7ffff0001c90) at gstdecodebin2.c:1711
---Type <return> to continue, or q <return> to quit---
#22 0x00007ffff5cc9ac5 in pad_added_cb (element=0x7fffe0026020, pad=0x7fffe0020010, chain=0x7ffff0001c90) at gstdecodebin2.c:2516
#23 0x00007ffff5cc9e88 in caps_notify_cb (pad=0x7fffe0020010, unused=<value optimized out>, chain=0x7ffff0001c90) at gstdecodebin2.c:2635
#24 0x00007ffff761f342 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#25 0x00007ffff76347c1 in ?? () from /usr/lib64/libgobject-2.0.so.0
#26 0x00007ffff7635d7e in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#27 0x00007ffff7636223 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#28 0x00007ffff7626559 in ?? () from /usr/lib64/libgobject-2.0.so.0
#29 0x00007ffff7b09923 in gst_object_dispatch_properties_changed (object=0x7fffe0020010, n_pspecs=1, pspecs=0x7fffe7ffe058) at gstobject.c:438
#30 0x00007ffff7627593 in g_object_notify_by_pspec () from /usr/lib64/libgobject-2.0.so.0
#31 0x00007ffff7b3fe28 in store_sticky_event (pad=0x7fffe0020010, event=0x7fffdc004060) at gstpad.c:4519
#32 0x00007ffff7b42ddb in gst_pad_push_event (pad=0x7fffe0020010, event=0x7fffdc004060) at gstpad.c:4777
#33 0x00007ffff4f96af2 in gst_pad_set_caps (trans=0x7fffe0026020, pad=<value optimized out>, incaps=<value optimized out>) at ../../../gst/gstcompat.h:54
#34 gst_base_transform_setcaps (trans=0x7fffe0026020, pad=<value optimized out>, incaps=<value optimized out>) at gstbasetransform.c:1326
#35 0x00007ffff4f98a5d in gst_base_transform_sink_eventfunc (trans=0x7fffe0026020, event=0x7fffdc004000) at gstbasetransform.c:1835
#36 0x00007ffff7b4027d in gst_pad_send_event_unchecked (pad=0x693c70, event=0x7fffdc004000, type=GST_PAD_PROBE_TYPE_IDLE) at gstpad.c:4976
#37 0x00007ffff7b409f0 in gst_pad_push_event_unchecked (pad=0x693a40, event=0x7fffdc004000, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4672
#38 0x00007ffff7b40fc0 in push_sticky (pad=0x693a40, ev=0x7fffe7ffe4c0, user_data=0x7fffe7ffe530) at gstpad.c:3318
#39 0x00007ffff7b3f160 in events_foreach (pad=0x693a40, func=0x7ffff7b40e50 <push_sticky>, user_data=0x7fffe7ffe530) at gstpad.c:530
#40 0x00007ffff7b42f04 in check_sticky (pad=0x693a40, event=0x7fffdc004000) at gstpad.c:3374
#41 gst_pad_push_event (pad=0x693a40, event=0x7fffdc004000) at gstpad.c:4789
#42 0x00007fffed9ee55c in gst_pad_set_caps (h264parse=<value optimized out>, caps=0x680000) at /usr/local/include/gstreamer-1.0/gst/gstcompat.h:54
#43 gst_h264_parse_update_src_caps (h264parse=<value optimized out>, caps=0x680000) at gsth264parse.c:1266
#44 0x00007fffed9ef10d in gst_h264_parse_set_caps (parse=0x7fffe001e360, caps=<value optimized out>) at gsth264parse.c:1840
#45 0x00007ffff4f7a680 in gst_base_parse_sink_event_default (parse=0x7fffe001e360, event=0x7ffff0004240) at gstbaseparse.c:923
#46 0x00007fffed9ec77e in gst_h264_parse_event (parse=0x7fffe001e360, event=0x7ffff0004240) at gsth264parse.c:1978
#47 0x00007ffff7b4027d in gst_pad_send_event_unchecked (pad=0x693810, event=0x7ffff0004240, type=GST_PAD_PROBE_TYPE_IDLE) at gstpad.c:4976
#48 0x00007ffff7b409f0 in gst_pad_push_event_unchecked (pad=0x6935e0, event=0x7ffff0004240, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4672
#49 0x00007ffff7b40fc0 in push_sticky (pad=0x6935e0, ev=0x7fffe7ffec20, user_data=0x7fffe7ffec90) at gstpad.c:3318
#50 0x00007ffff7b3f160 in events_foreach (pad=0x6935e0, func=0x7ffff7b40e50 <push_sticky>, user_data=0x7fffe7ffec90) at gstpad.c:530
#51 0x00007ffff7b42f04 in check_sticky (pad=0x6935e0, event=0x7ffff0004240) at gstpad.c:3374
#52 gst_pad_push_event (pad=0x6935e0, event=0x7ffff0004240) at gstpad.c:4789
#53 0x00007ffff4ab91b4 in gst_single_queue_push_one (pad=<value optimized out>) at gstmultiqueue.c:1080
#54 gst_multi_queue_loop (pad=<value optimized out>) at gstmultiqueue.c:1303
#55 0x00007ffff7b70ce7 in gst_task_func (task=0x7bab40) at gsttask.c:316
#56 0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#57 0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#58 0x00007ffff6acb851 in start_thread (arg=0x7fffe7fff700) at pthread_create.c:301
#59 0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7fffee603700 (LWP 21882)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007ffff6acd3be in _L_lock_995 () from /lib64/libpthread.so.0
#2  0x00007ffff6acd326 in __pthread_mutex_lock (mutex=0x792160) at pthread_mutex_lock.c:101
#3  0x00007ffff7171b41 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#4  0x00007ffff5cd46a5 in autoplug_factories_cb (decodebin=<value optimized out>, pad=<value optimized out>, caps=0x67c680, group=0x791ac0) at gstplaybin2.c:3598
#5  0x00007ffff5cd4e95 in autoplug_query_cb (uridecodebin=0x79c050, pad=0x7ffff0022fa0, query=0x6706d0, group=0x791ac0) at gstplaybin2.c:4186
#6  0x00007ffff632ddac in ffi_call_unix64 () from /usr/lib64/libffi.so.5
#7  0x00007ffff632db34 in ffi_call () from /usr/lib64/libffi.so.5
#8  0x00007ffff761d761 in g_cclosure_marshal_generic () from /usr/lib64/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#9  0x00007ffff761f2bb in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#10 0x00007ffff76347c1 in ?? () from /usr/lib64/libgobject-2.0.so.0
#11 0x00007ffff7635a8a in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#12 0x00007ffff7636223 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#13 0x00007ffff5ccb74d in proxy_autoplug_query_signal (element=<value optimized out>, pad=<value optimized out>, query=<value optimized out>, dec=0x79c050) at gsturidecodebin.c:1720
#14 0x00007ffff632ddac in ffi_call_unix64 () from /usr/lib64/libffi.so.5
#15 0x00007ffff632db34 in ffi_call () from /usr/lib64/libffi.so.5
#16 0x00007ffff761d761 in g_cclosure_marshal_generic () from /usr/lib64/libgobject-2.0.so.0
#17 0x00007ffff761f2bb in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#18 0x00007ffff76347c1 in ?? () from /usr/lib64/libgobject-2.0.so.0
#19 0x00007ffff7635a8a in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#20 0x00007ffff7636223 in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#21 0x00007ffff5cc9f62 in gst_decode_pad_query (pad=0x7b7680, parent=0x7ffff0022fa0, query=0x6706d0) at gstdecodebin2.c:4237
#22 0x00007ffff7b43710 in gst_pad_query (pad=0x7b7680, query=0x6706d0) at gstpad.c:3459
#23 0x00007ffff7b4a489 in gst_pad_peer_query (pad=0x7fffe005cbb0, query=0x6706d0) at gstpad.c:3590
#24 0x00007ffff7b77806 in gst_pad_peer_query_caps (pad=0x7fffe005cbb0, filter=0x0) at gstutils.c:2797
#25 0x00007ffff4f99732 in gst_base_transform_query_caps (trans=0x7fffe0026660, direction=GST_PAD_SINK, query=0x6744a0) at gstbasetransform.c:696
#26 gst_base_transform_default_query (trans=0x7fffe0026660, direction=GST_PAD_SINK, query=0x6744a0) at gstbasetransform.c:1487
#27 0x00007ffff7b43710 in gst_pad_query (pad=0x7fffe005c980, query=0x6744a0) at gstpad.c:3459
#28 0x00007ffff7b4a489 in gst_pad_peer_query (pad=0x7fffe005c520, query=0x6744a0) at gstpad.c:3590
#29 0x00007ffff7b77806 in gst_pad_peer_query_caps (pad=0x7fffe005c520, filter=0x0) at gstutils.c:2797
#30 0x00007fffecba77d5 in gst_ac3_parse_get_sink_caps (parse=<value optimized out>, filter=0x0) at gstac3parse.c:750
#31 0x00007ffff4f7a1f5 in gst_base_parse_sink_query_default (parse=0x7fffe005e000, query=0x67c0a0) at gstbaseparse.c:1190
#32 0x00007ffff4f77eac in gst_base_parse_sink_query (pad=<value optimized out>, parent=<value optimized out>, query=0x67c0a0) at gstbaseparse.c:1240
#33 0x00007ffff7b43710 in gst_pad_query (pad=0x7fffe005c750, query=0x67c0a0) at gstpad.c:3459
#34 0x00007ffff7b779e6 in gst_pad_query_caps (pad=0x7fffe005c750, filter=0x0) at gstutils.c:2751
#35 0x00007ffff7b44230 in gst_pad_query_accept_caps_default (pad=0x7fffe005c750, parent=<value optimized out>, query=0x617b20) at gstpad.c:2823
#36 gst_pad_query_default (pad=0x7fffe005c750, parent=<value optimized out>, query=0x617b20) at gstpad.c:2960
#37 0x00007ffff4f7a1ac in gst_base_parse_sink_query_default (parse=0x7fffe005e000, query=0x617b20) at gstbaseparse.c:1219
#38 0x00007ffff4f77eac in gst_base_parse_sink_query (pad=<value optimized out>, parent=<value optimized out>, query=0x617b20) at gstbaseparse.c:1240
#39 0x00007ffff7b43710 in gst_pad_query (pad=0x7fffe005c750, query=0x617b20) at gstpad.c:3459
#40 0x00007ffff7b4a489 in gst_pad_peer_query (pad=0x7fffe005c2f0, query=0x617b20) at gstpad.c:3590
#41 0x00007ffff7b77570 in query_accept_caps_func (pad=<value optimized out>, data=0x7fffee602180) at gstutils.c:2411
#42 0x00007ffff7b43e4c in gst_pad_forward (pad=0x7fffe005c0c0, forward=0x7ffff7b77560 <query_accept_caps_func>, user_data=0x7fffee602180) at gstpad.c:2689
#43 0x00007ffff7b788d1 in gst_pad_proxy_query_accept_caps (pad=0x7fffe005c0c0, query=0x617b20) at gstutils.c:2450
#44 0x00007ffff7b4430b in gst_pad_query_accept_caps_default (pad=0x7fffe005c0c0, parent=<value optimized out>, query=0x617b20) at gstpad.c:2815
#45 gst_pad_query_default (pad=0x7fffe005c0c0, parent=<value optimized out>, query=0x617b20) at gstpad.c:2960
#46 0x00007ffff7b43710 in gst_pad_query (pad=0x7fffe005c0c0, query=0x617b20) at gstpad.c:3459
#47 0x00007ffff7b77666 in gst_pad_query_accept_caps (pad=0x7fffe005c0c0, caps=<value optimized out>) at gstutils.c:2834
#48 0x00007ffff7b404aa in pre_eventfunc_check (pad=0x7fffe005c0c0, event=0x7fffe0036920, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4854
#49 gst_pad_send_event_unchecked (pad=0x7fffe005c0c0, event=0x7fffe0036920, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4969
#50 0x00007ffff7b409f0 in gst_pad_push_event_unchecked (pad=0x7fffe0021c80, event=0x7fffe0036920, type=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:4672
#51 0x00007ffff7b40fc0 in push_sticky (pad=0x7fffe0021c80, ev=0x7fffee602530, user_data=0x7fffee6025a0) at gstpad.c:3318
#52 0x00007ffff7b3f160 in events_foreach (pad=0x7fffe0021c80, func=0x7ffff7b40e50 <push_sticky>, user_data=0x7fffee6025a0) at gstpad.c:530
#53 0x00007ffff7b42f04 in check_sticky (pad=0x7fffe0021c80, event=0x7fffe0075c60) at gstpad.c:3374
#54 gst_pad_push_event (pad=0x7fffe0021c80, event=0x7fffe0075c60) at gstpad.c:4789
#55 0x00007fffeea3059b in gst_matroska_demux_send_event (demux=0x7ffff00d8060, event=0x7fffe0075c60) at matroska-demux.c:1530
#56 0x00007fffeea3282b in gst_matroska_demux_parse_blockgroup_or_simpleblock (demux=0x7ffff00d8060, ebml=<value optimized out>, cluster_time=0, cluster_offset=<value optimized out>, 
    is_simpleblock=1) at matroska-demux.c:3390
---Type <return> to continue, or q <return> to quit---
#57 0x00007fffeea3a110 in gst_matroska_demux_parse_id (demux=0x7ffff00d8060, id=163, length=<value optimized out>, needed=3) at matroska-demux.c:4299
#58 0x00007fffeea3d597 in gst_matroska_demux_loop (pad=<value optimized out>) at matroska-demux.c:4458
#59 0x00007ffff7b70ce7 in gst_task_func (task=0x7ba5a0) at gsttask.c:316
#60 0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#61 0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#62 0x00007ffff6acb851 in start_thread (arg=0x7fffee603700) at pthread_create.c:301
#63 0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7fffeffff700 (LWP 21881)):
#0  0x00007ffff6810253 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffff7135d7d in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff7135e47 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ffff7135ea9 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007ffff6acb851 in start_thread (arg=0x7fffeffff700) at pthread_create.c:301
#6  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7ffff4a99700 (LWP 21880)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffff717178f in g_cond_wait () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff7b70e78 in gst_task_func (task=0x7ba000) at gsttask.c:301
#3  0x00007ffff7158679 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007ffff71578a5 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007ffff6acb851 in start_thread (arg=0x7ffff4a99700) at pthread_create.c:301
#6  0x00007ffff681990d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7ffff7fd9700 (LWP 21877)):
#0  0x00007ffff6810253 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffff7135d7d in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007ffff7136075 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#3  0x00007ffff7b19585 in gst_bus_poll (bus=0x7884b0, events=<value optimized out>, timeout=18446744073709551615) at gstbus.c:1082
#4  0x00000000004035a7 in event_loop (pipeline=0x791680, blocking=1, do_progress=1, target_state=GST_STATE_PAUSED) at gst-launch.c:519
#5  0x0000000000404ba9 in main (argc=3, argv=0x7fffffffe548) at gst-launch.c:1066
(gdb) 
