StacktraceTop:gst_pad_get_caps_unlocked (pad=0x81528e8) at gstpad.c:1968 gst_pad_get_caps (pad=0x81528e8) at gstpad.c:2056 gst_proxy_pad_do_getcaps (pad=0x85c3380) at gstghostpad.c:228 gst_pad_get_caps_unlocked (pad=0x85c3380) at gstpad.c:1968
StacktraceTop: gst_pad_ get_caps_ unlocked (pad=0x81528e8) at gstpad.c:1968 pad_do_ getcaps (pad=0x85c3380) at gstghostpad.c:228 get_caps_ unlocked (pad=0x85c3380) at gstpad.c:1968
gst_pad_get_caps (pad=0x81528e8) at gstpad.c:2056
gst_proxy_
gst_pad_