Re: Normative/Informative status of the spec

Works for me. It think it will clarify the language.
Silvia.

On Fri, Oct 31, 2014 at 4:18 AM, Cyril Concolato
<cyril.concolato@telecom-paristech.fr> wrote:
> Dear all,
>
> During the discussion on a bug [1] and associated pull request [2], the
> question of the status of our spec was raised. Bob mentioned a previous
> discussion with the HTML WG chairs [3]. The assumption in that thread was
> that our group wants "to publish [a spec] along the same lines as the "Media
> Source Extensions Byte Stream Format Registry" was published and referenced
> from the MSE specification.".
>
> If we want Web applications to be able to use in-band tracks in browsers
> interoperably, according to our spec, we need to be able to check
> conformance to our spec. For that, we need to have normative statements in
> our spec. Currently, the spec is in my opinion too soft about that. In my
> view, if an implementation decides to support both our spec and a particular
> media resource format (say MP4), then it shall expose tracks according to
> our spec.
>
> This does not seem to me contradictory to the discussion with the HTML WG
> chairs because if you look at the ISOBMFF byte stream format for MSE [4], it
> does indeed use normative statements such as:
> "The user agent must support setting the offset from media ..."
> "These boxes must be accepted and ignored by the user agent ..."
>
> So, my recommendation would be to rephrase our spec to be clearer as to what
> UA shall/should/should not/may ... do using normative statements. What's the
> opinion of the group here ?
>
> Cyril
>
> [1] https://www.w3.org/Bugs/Public/show_bug.cgi?id=26923
> [2] https://github.com/w3c/HTMLSourcingInbandTracks/pull/32
> [3] http://lists.w3.org/Archives/Public/public-html-admin/2014Jun/0050.html
> [4]
> https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/isobmff-byte-stream-format.html
>
> --
> Cyril Concolato
> Multimedia Group / Telecom ParisTech
> http://concolato.wp.mines-telecom.fr/
> @cconcolato
>
>

Received on Sunday, 2 November 2014 11:06:31 UTC