Allows for ranked preferences for h264, av1, and vp9 codecs in
settings, along with equal preferences which are tiebroken using
smaller file size.
For each quality, gives av-merge a list of video sources
and audio sources sorted based on preference & file size. It
will pick the first one that the browser supports.
Closes#84
Signed-off-by: Jesús <heckyel@hyperbola.info>
9c7e93ecf8