A guy coded up an app called "Video Explorer" over on the Kodi forums about 5+ years ago and all mirrors of it are gone.
It was a pretty decent application and I'l be damned if I can find it.
Here's a picture of what it looked like
http://i.imgur.com/dhYaX8q.jpg
Does anyone know of a similar tool to this? I'd like to search my entire filesystem for all files of a certain codec.