$ sudo apt-get install rdnssd libavahi-compat-libdnssd-dev

$ gem install airplayer

$ git clone git://github.com/Tomohiro/airplayer.git
$ cd airplayer
$ bundle install --deployment

$ airplayer play http://heinlein.local/Movies/AKIRA.m4v

 Source: http://heinlein.local/misc/Movies/AKIRA.m4v
  Title: AKIRA.m4v
 Device: Apple TV (10.0.1.2)
   Time: 00:04:25 |=                                              | 3% Streaming

$ airplayer play '~/Movies/Trailers/007 SKYFALL.mp4'

 Source: http://10.0.1.6:7070
  Title: SKYFALL.mp4
 Device: Apple TV (10.0.1.2)
   Time: 00:00:20 |=====                                         | 11% Streaming

$ airplayer play ~/Movies/Trailers

 Source: http://10.0.1.6:7070
  Title: 007 Casino Royale.mp4
 Device: Apple TV (10.0.1.2)
   Time: 00:02:33 |==============================================| 100% Complete

 Source: http://10.0.1.6:7070
  Title: 007 Quantum Of Solace.mp4
 Device: Apple TV (10.0.1.2)
   Time: 00:02:01 |==============================================| 100% Complete

 Source: http://10.0.1.6:7070
  Title: 007 SKYFALL.mp4
 Device: Apple TV (10.0.1.2)
   Time: 00:02:36 |==============================================| 100% Complete

$ airplayer play http://rss.cnn.com/services/podcasting/cnnnewsroom/rss.xml

 Source: http://rss.cnn.com/~r/services/podcasting/cnnnewsroom/rss/~5/z7DirHubdP0/exp-travel-insider-hilton-head-island.cnn.m4v
  Title: exp-travel-insider-hilton-head-island.cnn.m4v
 Device: Apple TV (10.0.1.2)
   Time: 00:00:44 |============                                  | 39% Streaming

$ airplayer play '~/Movies/Trailers/007 SKYFALL.mp4' --repeat

$ airplayer play '~/Movies/Trailers' --repeat

$ airplayer play '~/Movies/Trailers' --shuffle