Re: [webrtc-pc] does MSID still work? (was: example 13: getReceivers semantics)

Thanks, @jan-ivar.

> The track ids in the SDP won't match those in the menu.

AFAICT, this is true if

* The remote end calls [`addTransceiver(kind)`](http://w3c.github.io/webrtc-pc/#dom-rtcpeerconnection-addtransceiver), in which case its `direction` defaults to "sendrecv", its `sender.track` is `null`, and therefore JSEP says it should generate `a=msid:- random`. (If I'm reading [5.2.1](https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-21#section-5.2.1) correctly...)
* The remote end calls `replaceTrack` in some subsequent round of negotiation.

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Received on Thursday, 13 July 2017 18:32:59 UTC