Re: [webrtc-pc] Simulcast: Implementations do not fail (and that seems good) (#2762)

Bringing @alvestrand's comment here from https://github.com/w3c/webrtc-pc/pull/2757#issuecomment-1209270441 so we can discuss here:
> I am worried about 7.
> 
> In particular, if the offer is 1,2,3 and the answer is 1,foo,2, exactly what is being removed?
> 
> If we want to be lenient, I would treat any answer that has changes as erroneous layers and ignore them. Thus:
> 
> 1,2,3 + 1,2 -> 1,2 (narrowing allowed)
> 1,2,3 + 1,3,2 -> 1
> 1,2,3 + 1,foo,2 -> 1
> 1,2,3 + foo, 1, 2 -> one layer with no RID
> 
> And CreateOffer() after 1,2,3 + 1,2 should offer 1,2 (no widening allowed from either side).

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Received on Tuesday, 9 August 2022 13:57:37 UTC