On Tuesday, October 16, 2018 at 11:35:13 PM UTC+4, Eric Green wrote: > If you try and set up a call to Firefox 63.0+ without including an > a=group:BUNDLE attribute in the SDP Firefox will fail to set the local > description that it generated. > > I have created a small demo of this application on Github > (https://github.com/egreenmachine/no-bundle-failure) which can be viewed live > at https://egreenmachine.github.io/no-bundle-failure/. You can see the error > messages on the web console. > > FF63+ fails with DOMException: "Local descriptions must have a=mid > attributes.". I believe that you cannot have a=mid attributes without having > groups. > > This will work in FF62, and Chrome 69.0.3497.100. I understand that the peer > connection will not complete with the SDP provided because it is stale, but > it should still be able to set the local SDP that is generated from the > offer. The SDP was generated using RTPEngine. I can also demo this same > behavior with a live system if needed. > > The question is, should FF63 be failing here or is this a regression? There > are lots of endpoints out there that do not currently support bundled sdp, so > I believe if it is released in this state it will break lots of users. > > Thanks, > -Eric Green
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