gst_type_find_element_activate_src_pull  152 plugins/elements/gsttypefindelement.c gst_type_find_element_activate_src_pull (GstPad * pad, gboolean active);
gst_type_find_element_activate_src_pull  272 plugins/elements/gsttypefindelement.c       GST_DEBUG_FUNCPTR (gst_type_find_element_activate_src_pull));