BLEND_OVERLAY      95 libavfilter/vf_blend.c     { "overlay",    "", 0, AV_OPT_TYPE_CONST, {.i64=BLEND_OVERLAY},    0, 0, FLAGS, "mode" },\
BLEND_OVERLAY     732 libavfilter/vf_blend.c     case BLEND_OVERLAY:      param->blend = blend_overlay_##depth##bit;      break;   \