title: App video preview
body: <p>I'm using Quicktime to capture my app's video preview, when I upload the video to iTunes connect I received the following error:</p>
  
  <p><img src="https://i.stack.imgur.com/H6sTj.png" alt="enter image description here"></p>
  
  <p>Any help?</p>
  
  <p>Thanks.</p>