GST_TAG_MERGE_UNDEFINED  122 gst/gsttaglist.h #define GST_TAG_MODE_IS_VALID(mode)     (((mode) > GST_TAG_MERGE_UNDEFINED) && ((mode) < GST_TAG_MERGE_COUNT))
GST_TAG_MERGE_UNDEFINED 1343 win32/common/gstenumtypes.c     {C_ENUM (GST_TAG_MERGE_UNDEFINED), "GST_TAG_MERGE_UNDEFINED", "undefined"},