I can't call path video from a web service

 <div class="list card">
  <div class="item item-divider">Video</div>
  <div class="item item-body">
    <div>

<video id="video1" width="712" height="" preload="metadata" controls webkit-playsinline>
     <source type="video/mp4" src="{{videoview.file}}"></source>
     
   </div>
  </div>
</div>

</video>
<p>{{videoview.file}}</p>
 </ion-content>

#src="{{videoview.file}}"