BLEND_OR          124 libavfilter/vf_blend.c     { "or",         "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_OR},         0, 0, FLAGS, "mode" },\
BLEND_OR          333 libavfilter/vf_blend.c         case BLEND_OR:         param->blend = blend_or;         break;