GST_INDEX_GET_CLASS  310 gst/gstindex.c   iclass = GST_INDEX_GET_CLASS (index);
GST_INDEX_GET_CLASS  683 gst/gstindex.c     iclass = GST_INDEX_GET_CLASS (index);
GST_INDEX_GET_CLASS  730 gst/gstindex.c   iclass = GST_INDEX_GET_CLASS (index);
GST_INDEX_GET_CLASS  932 gst/gstindex.c   iclass = GST_INDEX_GET_CLASS (index);