On 28.07.2019, at 16:45, Paul B Mahol wrote:
> On Sun, Jul 28, 2019 at 4:39 PM Reimar Döffinger
> wrote:
>
>> On 28.07.2019, at 08:55, Paul B Mahol wrote:
>>
Just provide as metadata and leave to e.g. libavfilter.
>>>
>>> That does not follow DNG specification.
>>> I really
On Sun, Jul 28, 2019 at 4:39 PM Reimar Döffinger
wrote:
> On 28.07.2019, at 08:55, Paul B Mahol wrote:
>
> >>
> >> Just provide as metadata and leave to e.g. libavfilter.
> >>
> >
> > That does not follow DNG specification.
> > I really do not have time to comment on other irrelevant stuff you
>
On 28.07.2019, at 08:55, Paul B Mahol wrote:
>>
>> Just provide as metadata and leave to e.g. libavfilter.
>>
>
> That does not follow DNG specification.
> I really do not have time to comment on other irrelevant stuff you pointed
> in your review.
If you had just told me that I should back o
On 28.07.2019, at 10:40, Nick Renieris wrote:
> Actually, I checked a more accurate version of my loop, and GCC
> optimizes away the LUT check anyway:
> https://godbolt.org/z/G1e1R4
> As you can see it's smart enough to create 2 versions of my functions
> (started at L3 with a lookup and L7 witho
Actually, I checked a more accurate version of my loop, and GCC
optimizes away the LUT check anyway:
https://godbolt.org/z/G1e1R4
As you can see it's smart enough to create 2 versions of my functions
(started at L3 with a lookup and L7 without it) and it does the check
outside.
There's no guarante
Στις Κυρ, 28 Ιουλ 2019 στις 1:30 π.μ., ο/η Reimar Döffinger
έγραψε:
>
> Huh? Are you thinking of templates? always_inline can usually be used the
> same way.
> I haven't looked into the how or anything, it was just a comment in principle.
You're totally right (I checked on godbolt just to make s
On Sun, Jul 28, 2019 at 12:30 AM Reimar Döffinger
wrote:
> On 26.07.2019, at 09:34, Nick Renieris wrote:
>
> > Στις Παρ, 26 Ιουλ 2019 στις 2:21 π.μ., ο/η Reimar Döffinger
> > έγραψε:
> >>
> >> On 25.07.2019, at 17:35, velocit...@gmail.com wrote:
> >>
> >>> +// Lookup table lookup
> >>> +
On 26.07.2019, at 09:34, Nick Renieris wrote:
> Στις Παρ, 26 Ιουλ 2019 στις 2:21 π.μ., ο/η Reimar Döffinger
> έγραψε:
>>
>> On 25.07.2019, at 17:35, velocit...@gmail.com wrote:
>>
>>> +// Lookup table lookup
>>> +if (lut)
>>> +value = lut[value];
>>
>> As this function is in t
Στις Παρ, 26 Ιουλ 2019 στις 2:21 π.μ., ο/η Reimar Döffinger
έγραψε:
>
> On 25.07.2019, at 17:35, velocit...@gmail.com wrote:
>
> > +// Lookup table lookup
> > +if (lut)
> > +value = lut[value];
>
> As this function is in the innermost loop, doing the if here instead of
> having 2
On 25.07.2019, at 17:35, velocit...@gmail.com wrote:
> +// Lookup table lookup
> +if (lut)
> +value = lut[value];
As this function is in the innermost loop, doing the if here instead of having
2 different implementations is likely not ideal speed-wise.
> +// Color scaling
>
From: Nick Renieris
Used a technique similar to lavc/tdsc.c for invoking the MJPEG decoder.
This commit adds support for:
- DNG tiles
- DNG tile huffman lossless JPEG decoding
- DNG 8-bpp ("packed" as dcraw calls it) decoding
- DNG color scaling [1]
- LinearizationTable tag
- BlackLevel tag
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