Re: [EXTERNAL] [PNG] Meeting minutes - Oct 31st, 2022

I have created a GitHub issue for this
<https://github.com/w3c/PNG-spec/issues/236> [1].

Chris Seeger, you mentioned ITU-T Series H Supplement 19; Section 7.3
and MaxCLL and MaxFALL. Is ST 2086 insufficient? Is more information used?

[1] https://github.com/w3c/PNG-spec/issues/236

On Mon, Oct 31, 2022 at 7:13 PM Seeger, Chris (NBCUniversal) <
Chris.Seeger@nbcuni.com> wrote:

> Can you take a look at ITU-T Series H Supplement 19; Section 7.3.  It
> might be useful for this effort as well.
>
>
>
>
> https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-H.Sup19-202104-I!!PDF-E&type=items
>
>
>
> Tables 9, 10, 11 also have very good examples.
>
>
>
> Best,
>
>
>
> -Chris
>
>
>
>
>
> *From: *Pierre-Anthony Lemieux <pal@sandflow.com>
> *Date: *Monday, October 31, 2022 at 5:44 PM
> *To: *Seeger, Chris (NBCUniversal) <Chris.Seeger@nbcuni.com>
> *Cc: *Chris Blume (ProgramMax) <programmax@gmail.com>, public-png@w3.org <
> public-png@w3.org>
> *Subject: *Re: [EXTERNAL] [PNG] Meeting minutes - Oct 31st, 2022
>
> Yes. I suggest we use Annex B of [1] as a template:
>
>
> https://urldefense.com/v3/__https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9097487__;!!PIZeeW5wscynRQ!rB8RRNCwGh5XNRLlWXXEe2wUJl_ECqH6WGWKwjuVBOv2XbRUxjY6F_NKqLIZsaQ6P5sxOvshjxXwkA$
> <https://urldefense.com/v3/__https:/ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9097487__;!!PIZeeW5wscynRQ!rB8RRNCwGh5XNRLlWXXEe2wUJl_ECqH6WGWKwjuVBOv2XbRUxjY6F_NKqLIZsaQ6P5sxOvshjxXwkA$>
>
> On Mon, Oct 31, 2022 at 2:24 PM Seeger, Chris (NBCUniversal)
> <Chris.Seeger@nbcuni.com> wrote:
> >
> > I’m assuming the “HDR Metadata” would be ST 2086 static metadata?  This
> would be “Mastering Display Colour Volume” and not MaxCLL and MaxFALL.
> >
> > Is that a correct assumption?
> >
> > Get Outlook for iOS
> > ________________________________
> > From: Chris Blume (ProgramMax) <programmax@gmail.com>
> > Sent: Monday, October 31, 2022 1:18:15 PM
> > To: public-png@w3.org <public-png@w3.org>
> > Subject: [EXTERNAL] [PNG] Meeting minutes - Oct 31st, 2022
> >
> > Attached is a PDF of the meeting minutes from Oct 31st, 2022.
> >
> > Executive summary:
> >
> > Next steps in the recommendation pipeline.
> > We almost certainly want to include HDR mastering metadata for tone
> mapping purposes. This should likely be an additional chunk included in the
> 3rd Edition. As such, it will need discussion.
> >
> > The next meeting will be Nov 14th, 2022 from 11am-noon Eastern US time.
> > The topic will be HDR mastering metadata.
>