BLEND_XOR         133 libavfilter/vf_blend.c     { "xor",        "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_XOR},        0, 0, FLAGS, "mode" },\
BLEND_XOR         342 libavfilter/vf_blend.c         case BLEND_XOR:        param->blend = blend_xor;        break;