rg3/youtube-dl — pull request #2158 by blha303 (2014-01-16 01:44:15+00:00)
Title: Added YouTube format codes

Visual example: http://i.imgur.com/KuRi8Nn.png

I'm considering making a script for doing this automatically: pulling the Wikipedia page, finding the rows where the itag code is selected in green, building a table from the info in those columns.