title: HTML5 video tag is not supporting .mp4 video file with codec MPEG4
body: <p>I have .mp4 files with codec MPEG4 but I am facing problem when i try to display those videos in web page.</p>
  
  <p><strong>Note:</strong> I can able to play same videos in windows media player and Movies player. </p>
  
  <p>I don't know how to resolve this issue. </p>
  
  <p>My Questions are: </p>
  
  <p>1) why HTML5 video tag is not supporting when video is fine with Windows Media player and Movies player ?</p>
  
  <p>2) How to display these .mp4 files with codec MPEG4 in web page.</p>