Re: [webrtc-pc] setCodecPreferences, sendonly codecs and dummy codecs (#2937)

@rshpount As we've [discussed on the RTCWEB mailing list](https://mailarchive.ietf.org/arch/msg/rtcweb/w_jHX-U8HkGtwZD6qftO8vBub10/), JSEPbis (now [RFC 9429](https://www.rfc-editor.org/rfc/rfc9429.html)) Section 4.2.6 is being interpreted to only check support for receive but not sending codecs, on both recvonly and sendrecv m-lines.  So that is what would allow a receive-only codec to be provided in an Offer on a sendrecv m-line. 

As you point out, that is not consistent with the SHOULDs in RFC 3264 Section 5.1. So the question is: 

1. Is RFC 9429 Section 4.2.6 in error (or at least requiring some additional context)?
2. If so, should we file an errata?  

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Received on Tuesday, 23 April 2024 00:07:12 UTC