BLEND_DARKEN      113 libavfilter/vf_blend.c     { "darken",     "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_DARKEN},     0, 0, FLAGS, "mode" },\
BLEND_DARKEN      322 libavfilter/vf_blend.c         case BLEND_DARKEN:     param->blend = blend_darken;     break;