gst_proxy_pad_do_query_type  398 gst/gstghostpad.c   GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_do_query_type);
gst_proxy_pad_do_query_type  452 gst/gstghostpad.c   gst_pad_set_query_type_function (pad, gst_proxy_pad_do_query_type);