diff -r 40a9ce0779d5 -r 639129cf95bc src/widgets/JwpPlayer.js
--- a/src/widgets/JwpPlayer.js	Fri Jul 19 17:21:13 2013 +0200
+++ b/src/widgets/JwpPlayer.js	Tue Jul 23 17:06:33 2013 +0200
@@ -33,6 +33,10 @@
         //_pauseState = false;
         //this.media.trigger("play");
     }
+    
+    if (this.url_transform) {
+        _opts.file = this.url_transform(_opts.file);
+    }
 
     // Binding functions to jwplayer