StacktraceTop: type_check_is_value_type_U (type=0) at /build/buildd/glib2.0-2.36.0/./gobject/gtype.c:4133 g_type_check_value (value=0xd27b30, value@entry=0x7f50e00010c8) at /build/buildd/glib2.0-2.36.0/./gobject/gtype.c:4168 gst_value_is_fixed (value=0x7f50e00010c8) at gstvalue.c:4123 gst_structure_foreach (structure=0x2c68270, func=0x7f51089ce7e0 <gst_caps_is_fixed_foreach>, user_data=0x0) at gststructure.c:1097 gst_caps_is_equal (caps1=0x2bd1040, caps2=0x7f50d8002640) at gstcaps.c:1177
StacktraceTop: is_value_ type_U (type=0) at /build/ buildd/ glib2.0- 2.36.0/ ./gobject/ gtype.c: 4133 0x7f50e00010c8) at /build/ buildd/ glib2.0- 2.36.0/ ./gobject/ gtype.c: 4168 0x7f50e00010c8) at gstvalue.c:4123 foreach (structure= 0x2c68270, func=0x7f51089ce7e0 <gst_caps_ is_fixed_ foreach> , user_data=0x0) at gststructure.c:1097 02640) at gstcaps.c:1177
type_check_
g_type_check_value (value=0xd27b30, value@entry=
gst_value_is_fixed (value=
gst_structure_
gst_caps_is_equal (caps1=0x2bd1040, caps2=0x7f50d80