VI6_RPF_EXT_INFMT2_PACK_CLEN
ext_infmt2 = VI6_RPF_EXT_INFMT2_PACK_CLEN(10, 10, 10, 0);
ext_infmt2 = VI6_RPF_EXT_INFMT2_PACK_CLEN(10, 10, 10, 2);