title: PHP Video Editing and Streaming
body: <p>I am developing online video streaming website on PHP.</p>
  
  <p>I need two functionalities:</p>
  
  <ol>
  <li>Need to add title/text at bottom of the video dynamically.</li>
  <li>Need to add background music to video dynamically.</li>
  </ol>
  
  <p>Is it possible with PHP or any available open source library?</p>
  
  <p>Can anyone guide me or provide links to this type of library ?</p>
  
  <p>Thanks.</p>