ME_X1             126 libavcodec/libxvidff.c        case ME_X1:
ME_X1             245 libavcodec/motion_est.c     if(s->me_method!=ME_ZERO && s->me_method!=ME_EPZS && s->me_method!=ME_X1 && s->avctx->codec_id != CODEC_ID_SNOW){
ME_X1            1009 libavcodec/motion_est.c     case ME_X1:
ME_X1            1280 libavcodec/motion_est.c     case ME_X1:
ME_X1             101 libavcodec/options.c {"x1", "X1 motion estimation", 0, FF_OPT_TYPE_CONST, ME_X1, INT_MIN, INT_MAX, V|E, "me_method" },