BLEND_LIGHTEN     120 libavfilter/vf_blend.c     { "lighten",    "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_LIGHTEN},    0, 0, FLAGS, "mode" },\
BLEND_LIGHTEN     329 libavfilter/vf_blend.c         case BLEND_LIGHTEN:    param->blend = blend_lighten;    break;