I have implemented that adds multiple codec settings to RtpConfig and passes them down to the lower layers from WebRtcVideoSendChannel. Bug: webrtc:362277533 Change-Id: I088d6583f7dcbd4de5deb1e9e08c80a6dc10494f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/364440 Reviewed-by: Florent Castelli <orphis@webrtc.org> Commit-Queue: Florent Castelli <orphis@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43166}