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Bullet chatting interchange format was: W3C M&E IG conference call: 7th January 2020

From: Pierre-Anthony Lemieux <pal@sandflow.com>
Date: Thu, 9 Jan 2020 10:13:22 -0800
Message-ID: <CAF_7JxAfm2bKe4LycuE9WKjTh_ccpzMabBHzHtW2KX8AqduKOQ@mail.gmail.com>
To: "public-web-and-tv@w3.org" <public-web-and-tv@w3.org>
Dear all,

Per our call on Tuesday and looking at the bullet chatting use cases
at [1], below are follow-up questions/observations.

With the exception of perhaps the "Interactive wall" use case, the use
cases seem to involve a web application (provided by the service
provider) running in a user agent (web browser).

Is that accurate?

For use cases that involve a web application running in a user agent,
it is not evident that an interchange format such as TTML or WebVTT is
necessary: the web application can simply interact directly with the
user agent using CSS, DOM, etc. to display the bullet chat -- without
the need for an intermediary interchange format.

What are the use cases that do not involve web application (provided
by the service provider) running in a user agent?

Documenting all use cases is critical to help select the right
technical solution for the interchange format and/or API. For example,
do some use cases involve players that do not have access to the web
platform?

Best,

-- Pierre

[1] https://w3c.github.io/danmaku/usecase.html

On Tue, Dec 31, 2019 at 7:49 AM Chris Needham <chris.needham@bbc.co.uk> wrote:
>
> When: 07 January 2020 15:00-16:00. (UTC) Dublin, Edinburgh, Lisbon, London
> Where: Webex
>
> *~*~*~*~*~*~*~*~*~*
> Dear all,
>
> The next Media & Entertainment Interest Group will be on Tuesday 7th January.
>
> This call will focus on Bullet Chatting, where I hope we can make further progress towards identifying what new standards are needed to support this use case.
>
> # Agenda
>
> - Welcome
>
> - Bullet Chatting Task Force [Song Xu, Chris]
>   - Objectives: identifying what new standards are needed:
>     - A new data interchange format, e.g., TTML/ WebVTT?
>     - A new client/server API?
>     - Changes to HTML?
>   - See Use Cases [1] and API Proposal [2]
>
> - AOB
>
> # Date and time
>
> Tuesday, January 7, 2020
> 10:00 am | EST (New York, GMT-05:00) | 1 hour
>
> https://www.timeanddate.com/worldclock/fixedtime.html?msg=Media-Entertainment-IG&iso=20200107T15&ah=1
>
> # Connection details
>
> https://lists.w3.org/Archives/Member/member-web-and-tv/2018Sep/0001.html (member-only link)
>
> Kind regards,
>
> Chris (Co-chair, W3C Media & Entertainment Interest Group)
>
> [1] https://w3c.github.io/danmaku/usecase.html
> [2] https://w3c.github.io/danmaku/api.html
>
Received on Thursday, 9 January 2020 18:13:41 UTC

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