New Bandwidth Estimation stack

Overview

We must drop libwebrtc dependency, which is very old and it's only used for BWE purposes. It's also not ideal for a SFU since it's designed for a browser/device that produces up to 2-3 audio/video streams and can change their bitrate at any time to accomplish with network limits dynamically.

So we need to write our own BWE stack.

Related TODO

Here some tasks/issues that are partially related to BWE so they may need to be addressed:

• https://github.com/versatica/mediasoup/issues/1934

Ongoing work (PRs)

• https://github.com/versatica/mediasoup/pull/1896
• https://github.com/versatica/mediasoup/pull/1897
• https://github.com/versatica/mediasoup/pull/1900
• https://github.com/versatica/mediasoup/pull/1903
• https://github.com/versatica/mediasoup/pull/1911
• https://github.com/versatica/mediasoup/pull/1914
• https://github.com/versatica/mediasoup/pull/1917
• https://github.com/versatica/mediasoup/pull/1918
• https://github.com/versatica/mediasoup/pull/1919
• https://github.com/versatica/mediasoup/pull/1921
• https://github.com/versatica/mediasoup/pull/1922
• https://github.com/versatica/mediasoup/pull/1925
• https://github.com/versatica/mediasoup/pull/1929
• https://github.com/versatica/mediasoup/pull/1931
• https://github.com/versatica/mediasoup/pull/1932
• https://github.com/versatica/mediasoup/pull/1935
• https://github.com/versatica/mediasoup/pull/1936