Hi Philipp:
On Mon, Jul 18, 2016 at 4:16 PM, Philipp Zabel <p.za...@pengutronix.de> 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
