BLEND_ADDITION    109 libavfilter/vf_blend.c     { "addition",   "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_ADDITION},   0, 0, FLAGS, "mode" },\
BLEND_ADDITION    318 libavfilter/vf_blend.c         case BLEND_ADDITION:   param->blend = blend_addition;   break;