get codec by webrtc api: pc.getStats #4310
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It cannot retrieve codec information on
Firefox
bygetSenders/getReceivers
It can retrieve codec information on

Chrome
bygetReceivers
, but incorrect, like this:So, we retrieve codec information from
getStats
, and it works well.The timer is used because sometimes the codec cannot be retrieved when
iceGatheringState
iscomplete
.Testing has been completed on the browsers listed below.