title: Can't play a video in Html
body: <p>I can play a video <code>my.mp4</code> by using</p>
  
  <pre><code>&lt;video src="my.mp4" width="720" height="340" poster="mine.jpg" onclick="this.play();"/&gt;&lt;/video&gt;
  </code></pre>
  
  <p>and Now I cut a video from my.mp4 by using <code>MediaCope</code> application and the output of splitter video as <code>my1.mp4</code> and I can play my1.mp4 in player. But I cant play this video in HTML. I can't find the reason for it. Any suggestion for fix my problem</p>