ABS                81 libavfilter/vf_pullup.c             diff += ABS(a[j] - b[j]);
ABS                95 libavfilter/vf_pullup.c             comb += ABS((a[j] << 1) - b[j - s] - b[j    ]) +
ABS                96 libavfilter/vf_pullup.c                     ABS((b[j] << 1) - a[j    ] - a[j + s]);
ABS               110 libavfilter/vf_pullup.c             var += ABS(a[j] - a[j + s]);