The video posted by official twitter account @clearlinux is not playable on Clear Linux

[miguelinux]

It is because you need to install ffmpeg

How-to: h264 etc. Support for Firefox (including ffmpeg install)

A brief how-to for h264 etc. support for Firefox (including ffmpeg install). You’ll need the C compiler installed and packages to enable vaapi hardware acceleration sudo swupd bundle-add c-basic devpkg-libva Now create a build directory somewhere and cd into it. mkdir ~/build && cd ~/build Install ffmpeg curl -LO https://ffmpeg.org/releases/ffmpeg-4.2.tar.bz2 tar jxf ffmpeg-4.2.tar.bz2 cd ffmpeg-4.2 ./configure --prefix=/usr/local --enable-shared && make && sudo make install If you haven’…