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[Bug 23557] Advise support of all options for SPS/PPS in ISO BMFF

From: <bugzilla@jessica.w3.org>
Date: Tue, 22 Oct 2013 15:47:52 +0000
To: public-html-bugzilla@w3.org
Message-ID: <bug-23557-2486-ETR3AFVT7o@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23557

--- Comment #2 from Mark Watson <watsonm@netflix.com> ---
There are two orthogonal issues:

(1) supported positions of the SPS/PPS
(2) support for Aggregators and Extractor pseudo-NAL units

For (1) we are talking about whether the note should include avc1/avc2 as well
as avc3/avc4. My original proposal is to include both options in the note.

For (2) we are talking about whether we should mention avc2 and avc4 at all.

I think the original intention is that we do not say anything about (2), but
the text in the note inadvertantly 'recommends's support of avc4,

We could address my comment and retain 'no comment' on (2) by re-wording the
note as follows:

"For maximum content interoperability, user agents are strongly advised to
support both locations for storage of the SPS and PPS."

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