title: HTML 5 video and src value with vue
body: <p>I have an HTML 5 video inside my page and I would like to set the src dynamically.
  I'm using vue, inside my js controller I set a variable with the video path then I use the variable in my page as below:</p>
  
  <pre><code>&lt;video width="450" controls&gt;
      &lt;source v-model="controller.var" v-bind:src="var" type="video/mp4"&gt;
  &lt;/video&gt;
  </code></pre>
  
  <p>The player doesn't load the video but my var is properly set with the right url.
  What I'm missing here?</p>
  
  <p>Thanks</p>