HTML5 VIDEO无法在我的rails 3应用中运行

I am trying to display HTML5 video in my Rails 3 app in development,i am using Sqlite3 and default webserver(Webrick).I put the video file (movie.ogg) under assets (assets/movie.ogg).The video window screen shows up but there is no video on there though.I have 3 questions...Since rails app assets doesn't have sub-folder for video(as the way it has images),where do you put video files? Does Webrick support Html5 video?Here is my code below ,what am i missing here,to make the video work? I am trying to display HTML5 video in my Rails