@Elgero, thank you so much for doing this!! I can confirm that it works for live TV likes such as the ones here:
http://www.youtube.com/live/all. That's a big step closer to get it to work like svnpenn's script; which supports livetv and non-livetv full URLs.
Example usage:
c:\>
c:\>YouTubeDL.exe http://youtube.com/watch?v=LHelEIJVxiE
Available formats for stream:
46 1080p WebM vp8
37 1080p MP4 h.264 high
45 720p WebM vp8
102 720p WebM vp8 3D
22 720p MP4 h.264 high
84 720p MP4 h.264 3D
44 480p WebM vp8
35 480p FLV h.264 main
43 360p WebM vp8
100 360p WebM vp8 3D
34 360p FLV h.264 main
18 360p MP4 h.264 baseline
82 360p MP4 h.264 3D
5 240p FLV h.263
36 240p 3GP mpeg4 simple
17 144p 3GP mpeg4 simple
usage: YouTubeDL.exe [Format] [Filepath] [url]
c:\>
c:\>YouTubeDL.exe 46 "E:\TV Recordings\video.mp4" http://youtube.com/watch?v=LHelEIJVxiE
Saving as: E:\TV Recordings\video.mp4
Downloading Youtube Stream: 237 KB - 00:00:02
Thanks again for all your trouble. A tool like this can easily get very popular; since it would have more usefulness than even the popular opensource project for "youtube-dl"