I only recently found out that Chrome has started shipping experimental support for VP9 and AV1 simulcast. If you’ve visited this blog before, you know what simulcast is already (if you don’t, make sure you read this post first!) and you may recall we’ve talked, on separate occasions, about both codecs, but typically with respect to their SVC capabilities, namely in the post on VP9/SVC support in Janus, and the one on our AV1/SVC experiments. Of course, I was very much interested in checking out how I could extend the simulcast support we have in Janus to VP9 and AV1…