GST_PAD_ACTIVATEPULLFUNC  809 gst/gstpad.c     if (GST_PAD_ACTIVATEPULLFUNC (pad)) {
GST_PAD_ACTIVATEPULLFUNC  810 gst/gstpad.c       if (G_UNLIKELY (!GST_PAD_ACTIVATEPULLFUNC (pad) (pad, active)))
GST_PAD_ACTIVATEPULLFUNC 1230 gst/gstpad.c     GST_PAD_ACTIVATEPULLFUNC (pad) = activatepull;