Re: [PNG] Meeting topics - Nov 13th, 2023

Of course!
That is part of what I meant for the color models section. You had
mentioned wanting to discuss it earlier so I wanted to include it.

On Thu, Nov 9, 2023 at 2:15 PM Richard Geldreich <rich@binomial.info> wrote:

> Hi Chris - Could we also talk about half float PNG's? I've got some new
> developments that are very interesting.
>
>
> On Thu, Nov 9, 2023 at 1:37 PM Chris Blume (ProgramMax) <
> programmax@gmail.com> wrote:
>
>> Hello everyone,
>>
>> Our next meeting is this coming Monday at 11am Eastern.
>>
>> Topics:
>>
>>    - We're going to try a new Zoom link. I'll include both the new link
>>    and the old link in the calendar. If the new link doesn't work, try the old
>>    link.
>>    - How could/should we add additional color models?
>>       - PNG currently has a list of color models. If we want to add more
>>       color models, we could add to this list. That was the forward-compatibility
>>       intended by the list. It is also what we do with cICP.
>>       - But adding to the list would break existing codecs. The key
>>       difference between this list and cICP here is without understanding an
>>       update to the CICP list (or even the cICP chunk itself), a decoder can
>>       still show an approximate representation. But a new item in the color model
>>       list does not have an equivalent approximation.
>>       - We could have a new chunk signal the new color model. And there
>>       can be a fall-back approximate representation provided by the original
>>       list. This is effectively what happens now for normal maps, half-floats,
>>       etc.
>>    - Marketing subgroup
>>       - Stephanie is spearheading PNG Third Edition marketing. We're
>>       thinking of creating a subgroup to discuss how we plan to spread the word.
>>       Everyone in the main WG is welcome to join this subgroup. The intention of
>>       a subgroup is to not spam the main group.
>>
>>
>> Did I miss anything? Are there any other topics you all would like to
>> discuss?
>>
>> See you Monday!
>>
>