====== HTML5 ======

  * [[http://diveintohtml5.info/video.html]]
  * [[https://www.quirksmode.org/html5/tests/video.html]]
  * [[https://en.wikipedia.org/wiki/HTML5_video]]

So far, all I've seen is that Chrome can only playback WebM -- VP8 or VP9 video plus Vorbis or Opus audio.

Firefox seems to support everything else.