GST_IS_XML_CLASS   60 gst/gstxml.c   #define GST_IS_XML_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_XML))
GST_IS_XML_CLASS   39 gst/gstxml.h   #define GST_IS_XML_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_XML))