HenrikDK/youtube-xbmc-plugin — pull request #2 by m-hume (2013-03-17 17:16:29+00:00)
Title: failed to open source

If the plugin is not set to "Ask" for "Max video quality" in the settings, play back fails with
XFILE::CFileCache::Open - failed to open source
This is due to the user agent being added to the video_url