INTERPOLATE_1D_LINEAR 1685 libavfilter/vf_lut3d.c     { "interp", "select interpolation mode", OFFSET(interpolation),    AV_OPT_TYPE_INT, {.i64=INTERPOLATE_1D_LINEAR}, 0, NB_INTERP_1D_MODE-1, FLAGS, "interp_mode" },
INTERPOLATE_1D_LINEAR 1687 libavfilter/vf_lut3d.c         { "linear",  "use values from the linear interpolation",   0, AV_OPT_TYPE_CONST, {.i64=INTERPOLATE_1D_LINEAR},    INT_MIN, INT_MAX, FLAGS, "interp_mode" },
INTERPOLATE_1D_LINEAR 2023 libavfilter/vf_lut3d.c     case INTERPOLATE_1D_LINEAR:      SET_FUNC_1D(linear);   break;