BLEND_MULTIPLY    121 libavfilter/vf_blend.c     { "multiply",   "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_MULTIPLY},   0, 0, FLAGS, "mode" },\
BLEND_MULTIPLY    330 libavfilter/vf_blend.c         case BLEND_MULTIPLY:   param->blend = blend_multiply;   break;