VLPF_CMP           70 libavfilter/vf_tinterlace.c    {     "complex",       "complex vertical low-pass filter",             0, AV_OPT_TYPE_CONST, {.i64 = VLPF_CMP}, INT_MIN, INT_MAX, FLAGS, "lowpass" },
VLPF_CMP          535 libavfilter/vf_tinterlace.c     if (tinterlace->lowpass == VLPF_CMP)