webRTC SDP mslabel lable

Chrome m103 webRTC At last SDP ssrc Inside mslabel and label Two properties have been removed , If you were originally based on mslabel Property to parse and get MediaStream ID  and  MediaStreamTrack ID Of , You need to change your strategy , To change from msid Property . in fact msid  take  MediaStream ID  and  MediaStreamTrack ID  Put together , And mslabel and label These two attributes overlap redundantly .

chrome m102 And previous versions ,SDP as follows ：

a=ssrc:1269806375 cname:POIsoqWs3fb2wRHA

a=ssrc:1269806375 msid:a5fabc49-5488-4909-90b3-f25c09dd3f38 6120f11b-62a9-4982-985a-fe3a20c7dfae

a=ssrc:1269806375 mslabel:a5fabc49-5488-4909-90b3-f25c09dd3f38

a=ssrc:1269806375 label:6120f11b-62a9-4982-985a-fe3a20c7dfae

chrome m103,SDP Then simplify as follows ：

a=ssrc:1269806375 cname:POIsoqWs3fb2wRHA

a=ssrc:1269806375 msid:a5fabc49-5488-4909-90b3-f25c09dd3f38 6120f11b-62a9-4982-985a-fe3a20c7dfae

code commit The information is as follows ：

https://webrtc.googlesource.com/src.git/+/88b8dec17bb5e2cf9c5c5009a41593a1eb7ac1a9

issue 7110:

https://bugs.chromium.org/p/webrtc/issues/detail?id=7110

Want to be in chrome Open more detailed debug Log information , Add the following command line parameters ：

--enable-logging --v=1

See ： http://ww.chromium.org/for-testers/enable-logging