Re: [MMUSIC] "a=extmap" with BUNDLE

Iñaki Baz Castillo <ibc@aliax.net> Mon, 27 March 2017 21:00 UTC

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From: Iñaki Baz Castillo <ibc@aliax.net>
Date: Mon, 27 Mar 2017 23:00:33 +0200
Message-ID: <CALiegfm33QGSuWDvJED5ERGEvHaJ6890X6hyqnjHr-ZkRCFSUg@mail.gmail.com>
To: Byron Campen <docfaraday@gmail.com>
Cc: Taylor Brandstetter <deadbeef@google.com>, mmusic WG <mmusic@ietf.org>
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Subject: Re: [MMUSIC] "a=extmap" with BUNDLE
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2017-03-27 19:55 GMT+02:00 Byron Campen <docfaraday@gmail.com>:
>   Would it not be sufficient to specify that bundled m-sections not use the
> same identifier for _different_ extensions? There's no ambiguity if you use
> '3' for mid on every m-section, which is the kind of thing implementations
> do now anyway.

Still one may use '3' for MID within a m=audio line and '4' for MID
within a m=video line. And that's legal.
Anyhow, current browsers use unique IDs across the whole SDP.


-- 
Iñaki Baz Castillo
<ibc@aliax.net>