INTERPOLATE_1D_NEAREST 1686 libavfilter/vf_lut3d.c         { "nearest", "use values from the nearest defined points", 0, AV_OPT_TYPE_CONST, {.i64=INTERPOLATE_1D_NEAREST},   INT_MIN, INT_MAX, FLAGS, "interp_mode" },
INTERPOLATE_1D_NEAREST 2022 libavfilter/vf_lut3d.c     case INTERPOLATE_1D_NEAREST:     SET_FUNC_1D(nearest);  break;