MODE_AUTO          47 libavfilter/vf_setfield.c     {"mode", "select interlace mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=MODE_AUTO}, -1, MODE_PROG, FLAGS, "mode"},
MODE_AUTO          48 libavfilter/vf_setfield.c     {"auto", "keep the same input field",  0, AV_OPT_TYPE_CONST, {.i64=MODE_AUTO}, INT_MIN, INT_MAX, FLAGS, "mode"},
MODE_AUTO          63 libavfilter/vf_setfield.c     } else if (setfield->mode != MODE_AUTO) {