StacktraceTop: gst_element_set_state (element=0x7fc1080462b0, state=GST_STATE_NULL) at gstelement.c:2802 QObjectPrivate::signalIndex (this=0x7fc1080462b0, signalName=0x7fc0f4018410 "\243", meta=0x0) at kernel/qobject.cpp:3869 ?? () QCoreApplicationPrivate::sendThroughApplicationEventFilters (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:170 QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at kernel/qcoreapplication.cpp:1181
StacktraceTop: set_state (element= 0x7fc1080462b0, state=GST_ STATE_NULL) at gstelement.c:2802 ::signalIndex (this=0x7fc1080 462b0, signalName= 0x7fc0f4018410 "\243", meta=0x0) at kernel/ qobject. cpp:3869 onPrivate: :sendThroughApp licationEventFi lters (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at ../../include/ QtCore/ ../../src/ corelib/ tools/qlist. h:170 onPrivate: :sendThroughApp licationEventFi lters (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at kernel/ qcoreapplicatio n.cpp:1181
gst_element_
QObjectPrivate
?? ()
QCoreApplicati
QCoreApplicati