[FFmpeg-devel] [PATCH 1/5] avutil: add pixelutils API

[Lukasz Marek]

> +static av_always_inline int sad_wxh(const uint8_t *src1, ptrdiff_t stride1,
> +                                    const uint8_t *src2, ptrdiff_t stride2,
> +                                    int w, int h)
> +{
> +    int x, y, sum = 0;
> +
> +    for (y = 0; y < h; y++) {
> +        for (x = 0; x < w; x++)
> +            sum += abs(src1[x] - src2[x]);

minor: I came out of nowhere to this patch, but maybe FFABS? :)

> +        src1 += stride1;
> +        src2 += stride2;
> +    }
> +    return sum;
> +}