GST_PAD_ACTIVATEFUNC  365 gst/gstpad.c     GST_PAD_ACTIVATEFUNC (pad) = gst_pad_activate_default;
GST_PAD_ACTIVATEFUNC  686 gst/gstpad.c           ret = (GST_PAD_ACTIVATEFUNC (pad)) (pad);
GST_PAD_ACTIVATEFUNC 1210 gst/gstpad.c     GST_PAD_ACTIVATEFUNC (pad) = activate;