Re: [PNG] Cancelling May 15th, 2023 meeting?

I should mention: If you aren't comfortable speaking publicly here (these
emails are publicly archived) about your vote hesitation, you can contact
us directly or we can discuss in a meeting.

On Sat, May 13, 2023 at 1:54 PM Chris Blume (ProgramMax) <
programmax@gmail.com> wrote:

> Average luminance GitHub Issue is here
> <https://github.com/w3c/PNG-spec/issues/311>.
>
> Good idea to discuss our next publication. Would you like to start that
> conversation here?
> My understanding is we're in a good spot but could wrap up a few last
> issues if we wanted. But they aren't blockers.
> I also believe we would need to vote on if we're ready for our next
> publication. To that end, I would love to hear from people about how they
> feel and if something would make them hesitate to vote 'yes'.
>
> On Sat, May 13, 2023 at 10:24 AM Chris Lilley <chris@w3.org> wrote:
>
>> I'm fine cancelling Monday's meeting, but I would like there to be some
>> discussion about what we need to do to publish an updated PNG Working Draft
>> so that we can start TAG review.
>>
>> I also suggest putting the content from your average luminance paragraph
>> below into a GitHub issue, which is much easier to keep track of than email.
>>
>> Agree that we should meet informally but that there isn't a pressing
>> reason to hold a meeting at TPAC.
>> On 2023-05-12 18:36, Chris Blume (ProgramMax) wrote:
>>
>> Hello everyone,
>>
>> My internet suddenly dropped out yesterday and has been pretty unstable
>> ever since. I'm not confident that I'll be able to host Monday's meeting.
>>
>> I'm happy for someone else to host if they want. But we also might not
>> have much to talk about which couldn't be an email.
>>
>>    - Do we know of any standard which carries average luminance
>>    information? (This is different from MaxFALL.) This is needed for SMPTE ST
>>    2094-10. We could perhaps add it to the cLLi chunk. But then that chunk no
>>    longer resembles the standard it was based on. Plus, the content authoring
>>    app could know that the content isn't in a color space where average
>>    luminance is a normal tool for tone mapping (and thus SMPTE ST 2094-10
>>    doesn't apply).
>>    - Anne suggested we use official wording for implementation defined
>>    <https://infra.spec.whatwg.org/#implementation-defined> when it comes
>>    to either historic implementation divergence which we now corrected onto
>>    one path, or things we do not want to define. I think this is a good idea.
>>    Thoughts?
>>    - No one has mentioned yet if they feel the PNG WG should make an
>>    official presence at TPAC 2023. (We can still go if we want.) Unless there
>>    is a push for it, I'll respond to W3C soon letting them know we do not
>>    intend to go as a group.
>>
>> Let me know your thoughts on these topics and if you want to keep
>> Monday's meeting.
>>
>> Thanks!
>> - Chris
>>
>> --
>> Chris Lilley
>> @svgeesus
>> Technical Director @ W3C
>> W3C Strategy Team, Core Web Design
>> W3C Architecture & Technology Team, Core Web & Media
>>
>>