(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_FILE_INDEX, GstFileIndexClass))
#define GST_IS_FILE_INDEX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FILE_INDEX))
-#define GST_IS_FILE_INDEX_CLASS(obj) \
+#define GST_IS_FILE_INDEX_CLASS(klass) \
(GST_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_FILE_INDEX))
/*