Re: Exposing HDR metadata in bitstreams through WebCodecs API

+Dan Sanders <sandersd@google.com> for WebCodecs color / VideoFrame
expertise.

On Tue, Oct 26, 2021 at 7:19 AM Seeger, Chris (NBCUniversal) <
Chris.Seeger@nbcuni.com> wrote:

> Are we discussing tone-mapping HDR metadata (vs. transfer function/color
> space signaling)
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> This would include Dolby Vision Dynamic Metadata (only pertinent to moving
> images), HDR10+ Dynamic Metadata.
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> For Static Metadata (ST.2086), this might be pertinent (in my opinion)
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> -Chris
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> *From: *Leonard Rosenthol <lrosenth@adobe.com>
> *Date: *Tuesday, October 26, 2021 at 8:18 AM
> *To: *Pierre-Anthony Lemieux <pal@sandflow.com>, public-colorweb@w3.org <
> public-colorweb@w3.org>
> *Subject: *[EXTERNAL] Re: Exposing HDR metadata in bitstreams through
> WebCodecs API
>
> Why only video codec bitstreams?   Why wouldn’t we also want/need to
> expose this information for raster image formats as well?
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>
> Leonard
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> *From: *Pierre-Anthony Lemieux <pal@sandflow.com>
> *Date: *Monday, October 25, 2021 at 6:39 PM
> *To: *public-colorweb@w3.org <public-colorweb@w3.org>
> *Subject: *Exposing HDR metadata in bitstreams through WebCodecs API
>
> Good morning/evening,
>
> It was pointed out earlier today that now would be a good time to
> identify any HDR/WCG metadata present at the video codec bitstream
> level (as opposed to metadata at the container level), so that the
> metadata can be exposed through the WebCodecs API.
>
> Please reply to this thread if any such metadata comes to mind.
>
> Best,
>
> -- Pierre
>