Changes
/* MPV media player */
Or the same content directly from the youtube:
<pre>
# NOTE: need to install fixed youtube-dl package
$ wget http://mirrors.kernel.org/ubuntu/pool/universe/y/youtube-dl/youtube-dl_2019.09.12.1-0ubuntu1_all.deb
$ sudo dpkg -i youtube-dl_2019.09.12.1-0ubuntu1_all.deb
</pre>
<pre>
$ mpv -fs https://www.youtube.com/watch?v=j4oBg8capW8