GST_TAG_LIST      607 gst/gsttaglist.c   return GST_TAG_LIST (gst_structure_id_empty_new (GST_QUARK (TAGLIST)));
GST_TAG_LIST      826 gst/gsttaglist.c   return GST_TAG_LIST (gst_structure_copy ((GstStructure *) list));
GST_TAG_LIST      164 gst/gsttaglist.h #define GST_IS_TAG_LIST(x)    ((x) != NULL && gst_is_tag_list (GST_TAG_LIST (x)))