gst_pad_add_data_probe  119 libs/gst/check/gstconsistencychecker.c       gst_pad_add_data_probe (pad, (GCallback) source_pad_data_cb, consist);
gst_pad_add_data_probe   92 tests/check/gst/gstutils.c   gst_pad_add_data_probe (pad, G_CALLBACK (data_probe), SPECIAL_POINTER (0));
gst_pad_add_data_probe  183 tests/check/gst/gstutils.c   id1 = gst_pad_add_data_probe (pad, G_CALLBACK (data_probe_once), &id1);