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Re: Mangling a=extmap and a=mid before setLocalDescription

From: Adam Roach <adam@nostrum.com>
Date: Wed, 19 Jul 2017 14:07:15 +0200
To: Iñaki Baz Castillo <ibc@aliax.net>, "public-webrtc@w3.org" <public-webrtc@w3.org>
Message-ID: <8c50b7a8-5cc1-d6c3-2381-59c43e697603@nostrum.com>
On 7/19/17 13:58, Iñaki Baz Castillo wrote:
> I know that the idea is to not have to mangle the SDP to get some cool
> things, but before that happens in the real world, is it allowed to
> mangle the ID of a=extmap and the value of a=mid between createOffer()
> and setLocalDescription()?
> Are current browsers supposed to honor those new values given in
> setLocalDescription() and use them within the RTP packets?

JSEP makes this illegal; see 

I'm sure Firefox won't honor such changes. I suspect Chrome doesn't; 
and, if it does, it shouldn't.

Received on Wednesday, 19 July 2017 12:07:48 UTC

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