GST_IS_INDEX      641 gst/gstelement.c   g_return_if_fail (index == NULL || GST_IS_INDEX (index));
GST_IS_INDEX      426 gst/gstindex.c   g_return_if_fail (GST_IS_INDEX (index));
GST_IS_INDEX      445 gst/gstindex.c   g_return_if_fail (GST_IS_INDEX (index));
GST_IS_INDEX      487 gst/gstindex.c   g_return_if_fail (GST_IS_INDEX (index));
GST_IS_INDEX      564 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), NULL);
GST_IS_INDEX      598 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), NULL);
GST_IS_INDEX      673 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), FALSE);
GST_IS_INDEX      759 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), NULL);
GST_IS_INDEX      803 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), NULL);
GST_IS_INDEX      894 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), NULL);
GST_IS_INDEX      927 gst/gstindex.c   g_return_val_if_fail (GST_IS_INDEX (index), NULL);