Breakpoint 11, PyThread_acquire_lock (lock=0x8112d28, waitflag=1) at Python/thread_pthread.h:313 313 in Python/thread_pthread.h [Current thread is 1 (Thread -1212447056 (LWP 30466))] #0 PyThread_acquire_lock (lock=0x8112d28, waitflag=1) at Python/thread_pthread.h:313 #1 0xb7aa8b90 in PyEval_RestoreThread (tstate=0x80f1e90) at Python/ceval.c:305 #2 0xb792cf1b in _wrap_gst_element_set_state (self=0x1, args=0x1, kwargs=0x1) at gstelement.override:71 #3 0xb7a758a1 in PyCFunction_Call (func=0xb79c55cc, arg=0xb79c5d0c, kw=0x8054660) at Objects/methodobject.c:77 #4 0xb7aaccec in PyEval_EvalFrame (f=0x819cc0c) at Python/ceval.c:3563 #5 0xb7aae7ad in PyEval_EvalFrame (f=0x8110c24) at Python/ceval.c:3645 #6 0xb7aae7ad in PyEval_EvalFrame (f=0x812e78c) at Python/ceval.c:3645 #7 0xb7aaf15e in PyEval_EvalCodeEx (co=0xb79a6a60, globals=0x8054660, locals=0x1, args=0xb79c6998, argcount=4, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2736 #8 0xb7a65b9a in function_call (func=0xb79b8b54, arg=0xb79c698c, kw=0x0) at Objects/funcobject.c:548 #9 0xb7a50597 in PyObject_Call (func=0xb7d80ff4, arg=0x1, kw=0x1) at Objects/abstract.c:1795 #10 0xb7a5824b in instancemethod_call (func=0xb79b8b54, arg=0xb79c698c, kw=0x1) at Objects/classobject.c:2447 #11 0xb7a50597 in PyObject_Call (func=0xb7d80ff4, arg=0x1, kw=0x1) at Objects/abstract.c:1795 #12 0xb7aa9088 in PyEval_CallObjectWithKeywords (func=0x1, arg=0xb79c6b6c, kw=0x0) at Python/ceval.c:3430 #13 0xb7a5055a in PyObject_CallObject (o=0x1, a=0x1) at Objects/abstract.c:1786 #14 0xb7983410 in pyg_closure_marshal (closure=0x8178590, return_value=0x0, n_param_values=3, param_values=0xbf8a0d8c, invocation_hint=0xbf8a0c6c, marshal_data=0x0) at pygtype.c:1110 #15 0xb7d911bb in IA__g_closure_invoke (closure=0x8178590, return_value=0x0, n_param_values=3, param_values=0xbf8a0d8c, invocation_hint=0xbf8a0c6c) at gclosure.c:490 #16 0xb7da2969 in signal_emit_unlocked_R (node=0x80eeee8, detail=0, instance=0x8177810, emission_return=0x0, instance_and_params=0xbf8a0d8c) at gsignal.c:2438 #17 0xb7da3da3 in IA__g_signal_emit_valist (instance=0x8177810, signal_id=25, detail=0, var_args=0xbf8a0fd4 "XEXA\200\020\017\b\030\030@\030\020\212&\020\017\b\030\030\b\030\020\212d\020\220\027\b") at gsignal.c:2197 #18 0xb7da4049 in IA__g_signal_emit (instance=0x8177810, signal_id=25, detail=0) at gsignal.c:2241 #19 0xb7b7fd09 in gst_type_find_element_activate (pad=0x80f10f8) at gsttypefindelement.c:740 #20 0xb7f5b5b6 in gst_pad_set_active (pad=0x80f10f8, active=1) at gstpad.c:648 #21 0xb7f472ee in activate_pads (pad=0x80f10f8, ret=0x1, active=0xbf8a1148) at gstelement.c:2261 #22 0xb7f53eae in gst_iterator_fold (it=0x818db18, func=0xb7f472c0 , ret=0xbf8a10e0, user_data=0xbf8a1148) at gstiterator.c:503 #23 0xb7f473fe in iterator_activate_fold_with_resync (iter=0x818db18, user_data=0xbf8a1148) at gstelement.c:2285 #24 0xb7f47505 in gst_element_pads_activate (element=0x8177810, active=1) at gstelement.c:2327 #25 0xb7f478ac in gst_element_change_state_func (element=0x8177810, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstelement.c:2374 #26 0xb7b7fe58 in gst_type_find_element_change_state (element=0x8177810, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gsttypefindelement.c:767 #27 0xb7f4693d in gst_element_change_state (element=0x8177810, transition=134563424) at gstelement.c:2182 #28 0xb7f46f9f in gst_element_set_state_func (element=0x8177810, state=GST_STATE_PAUSED) at gstelement.c:2144 #29 0xb7f45ad5 in gst_element_set_state (element=0x8177810, state=GST_STATE_NULL) at gstelement.c:2054 #30 0xb7f368b2 in gst_bin_change_state_func (element=0x8176000, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:1759 #31 0xb792e89e in _wrap_GstElement__do_change_state (cls=0x1, args=0x1, kwargs=0x1) at gst.c:4971 #32 0xb7a758a1 in PyCFunction_Call (func=0xb79c088c, arg=0xb79a032c, kw=0x8054660) at Objects/methodobject.c:77 #33 0xb7aaccec in PyEval_EvalFrame (f=0x80f6bd4) at Python/ceval.c:3563 #34 0xb7aaf15e in PyEval_EvalCodeEx (co=0xb79a6a20, globals=0x8054660, locals=0x1, args=0xb79a0378, argcount=2, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2736 #35 0xb7a65b9a in function_call (func=0xb79b8b1c, arg=0xb79a036c, kw=0x0) at Objects/funcobject.c:548 #36 0xb7a50597 in PyObject_Call (func=0xb7d80ff4, arg=0x1, kw=0x1) at Objects/abstract.c:1795 #37 0xb7a5824b in instancemethod_call (func=0xb79b8b1c, arg=0xb79a036c, kw=0x1) at Objects/classobject.c:2447 #38 0xb7a50597 in PyObject_Call (func=0xb7d80ff4, arg=0x1, kw=0x1) at Objects/abstract.c:1795 #39 0xb7aa9088 in PyEval_CallObjectWithKeywords (func=0x1, arg=0xb79c5c6c, kw=0x0) at Python/ceval.c:3430 #40 0xb7a5055a in PyObject_CallObject (o=0x1, a=0x1) at Objects/abstract.c:1786 #41 0xb792f881 in _wrap_GstElement__proxy_do_change_state (self=0x1, transition=134563424) at gst.c:5530 #42 0xb7f4693d in gst_element_change_state (element=0x8176000, transition=134563424) at gstelement.c:2182 #43 0xb7f46f9f in gst_element_set_state_func (element=0x8176000, state=GST_STATE_PAUSED) at gstelement.c:2144 #44 0xb7f45ad5 in gst_element_set_state (element=0x8176000, state=GST_STATE_NULL) at gstelement.c:2054 #45 0xb7f368b2 in gst_bin_change_state_func (element=0x8186030, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstbin.c:1759 #46 0xb7f6287c in gst_pipeline_change_state (element=0x8186030, transition=GST_STATE_CHANGE_READY_TO_PAUSED) at gstpipeline.c:490 #47 0xb7f4693d in gst_element_change_state (element=0x8186030, transition=134563424) at gstelement.c:2182 #48 0xb7f46a25 in gst_element_change_state (element=0x8186030, transition=134563424) at gstelement.c:2222 #49 0xb7f46f9f in gst_element_set_state_func (element=0x8186030, state=GST_STATE_PAUSED) at gstelement.c:2144 #50 0xb7f45ad5 in gst_element_set_state (element=0x8186030, state=GST_STATE_NULL) at gstelement.c:2054 #51 0x0804afdf in main (argc=7, argv=0xbf8a20b4) at gst-launch.c:654