youtube-player.coffee, for controller, should be install and use, could not insert before.

youtube-player.coffee

(($) ->

  options =
    videoId: "youtube video id"
    width: "640"
    height: "480"
    playerVars:
      autoplay: 0
      controls: 1
      modestbranding: 0
      rel: 0
      showInfo: 0

    events:
      onStateChange: (state) ->
        $.fancybox(href: "#fill")  if state.data is YT.PlayerState.ENDED
        return


  if typeof (YT) is "undefined" or typeof (YT.Player) is "undefined"
    window.onYouTubePlayerAPIReady = ->
      #div id
      window.player = new YT.Player("video", options)
      return    
    # window .player.addEventListener("onStateChange", "hello");
    $.getScript "//www.youtube.com/player_api"
  else
    window.player = new YT.Player("video", options)


) jQuery