Here is the JW Player 5 wrapper for Ruby on Rails 3
To install:
rails plugin install git://github.com/sekrett/jw_player_on_rails.git
To setup:
rails generate jw_player
This adds player.swf and yt.swf to public/jwplayer/ and jwplayer.js to public/javascripts/.
In your layout add:
<%= jw_player_headers %>
To check player is working simply add:
<%= jw_player("http://github.com/sekrett/jw_player_on_rails/raw/master/video.mp4", :width => 200, :height => 110) %>
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Copyright © 2011 Alexander Zubkov, released under the MIT license