title: videojs buffer not playing when using php file
body: <p>I have this player:</p>
  
  <pre><code>&lt;link href="http://vjs.zencdn.net/c/video-js.css" rel="stylesheet"&gt;
  &lt;script src="http://vjs.zencdn.net/c/video.js"&gt;&lt;/script&gt;
  &lt;video id="milokan" class="video-js vjs-default-skin" controls preload="auto" width="640" height="480" autoplay data-setup="{}"&gt;
    &lt;source src="play.php?file=&lt;?php echo $code; ?&gt;" type='video/mp4'&gt;
  &lt;/video&gt;
  </code></pre>
  
  <p>AND play.php plays header("Content-Type: video/mp4");</p>
  
  <p>This way there is no buffer, the player works but just when the whole file is done downloading.</p>
  
  <p>How can I make it work and keep hiding the file I'm playing ?</p>