The EECS 149 site has a youtube channel at https://www.youtube.com/channel/UCS7MdBus8jygYZy76rIO0pw
The account is ptolemy.ucb@gmail.com
.
The password is on moog in ~root/.ptolemy-ucbpass
The easiest way to share a video is use Quicktime on the Mac and use the "Share" menu choice.
The typical procedure is to log in to https://www.youtube.com/channel/UCS7MdBus8jygYZy76rIO0pw as the ptolemy.ucb@gmail.com
user and then upload the videos.