Re: [PATCH v4 09/12] [media] vivid: Local optimization

[Ricardo Ribalda Delgado]

Hi Philipp:

On Mon, Jul 18, 2016 at 4:16 PM, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote:

> I had the best looking result with this variant, btw:
>
>         y >>= 4;
>         cb >>= 4;
>         cr >>= 4;
>         if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
>                 y = clamp(y, 16, 235);
>                 cb = clamp(cb, 16, 240);
>                 cr = clamp(cr, 16, 240);
>         } else {
>                 y = clamp(y, 1, 254);
>                 cb = clamp(cb, 1, 254);
>                 cr = clamp(cr, 1, 254);
>         }

I like this variant much better than mine. I have applied to my local
tree. So it will be what I post on v5

Thanks for you comments :)


btw: it is scary what the compiler optimizations are capable of doing these days


-- 
Ricardo Ribalda