Ethan

Title

Currently the config has multiple codecs, but the file name/ffmpeg/gstreamer args do not support this.

Handle getUserMedia errors

1

For example when the device was not found. ``` index.js:162 Uncaught (in promise) DOMException: Requested device not found ```

Client cannot be built on an M1 chip Mac.

3

Link: https://mediasoup.org/documentation/v3/libmediasoupclient/installation/#Build-Examples OSX Version: 11.6 After checking out the m84 branch and then running "gclient sync" command the following error occurs: ``` ________ running 'cipd ensure -log-level error -root /Users/ethan/Documents/webrtc/webrtc-ios...

## Summary - add stubs for Parameters and util helpers used by tests - add listener mock objects for SendTransport and DataProducer - create SendTransportDataProducerTests exercising DataProducer creation and closing...