[Bug 17673] Define Initialization Data for implementations that choose to support the ISO Base Media File Format

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17673

--- Comment #54 from David Dorwin <ddorwin@google.com> ---
Addressing a few earlier comments:

(In reply to Steven Robertson from comment #10)
...
> It also seems to preclude key rotation in e.g. a long-running DASH live
> stream by means of including a 'pssh' and corresponding updated
> SampleGroupDescription element in one or more 'moof' elements. If text
> addressing this is incorporated in the EME spec, we should consider updating
> references of '14496-12' to '14496-12:2012', since 'sgpd'-under-'moof' was
> new in the :2012 version.

Added ":2012" in https://dvcs.w3.org/hg/html-media/rev/67e151641669.

(In reply to David Dorwin from comment #12)
> Per https://www.w3.org/Bugs/Public/show_bug.cgi?id=19788#c13, section 7.2
> also needs to be updated to specify when to call the “First Time a Key
> Reference is Encountered” algorithm for ISO BMFF.

Done in https://dvcs.w3.org/hg/html-media/rev/67e151641669.

(In reply to David Dorwin from comment #36)
> As noted in bug 24323, we also need to remove the last paragraph of this
> section: "Note that if there is already an active Key System CDM and the key
> storage for that Key System already contains the key associated with the Key
> ID, there is no need to generate a needkey event." We may want to add an
> explicit sentence about when needkey will be fired similar to the proposed
> text for WebM in that bug.

This text (also mentioned in comment #49) was removed in
https://dvcs.w3.org/hg/html-media/rev/25b50dae8e58

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Received on Tuesday, 13 May 2014 00:27:01 UTC