title: Unable to create capture from file in Emgucv
body: <pre><code>if (_capture == null)
          {
              try
              {
                  _capture = new Capture("video1.mpg");
              }
              catch (NullReferenceException ex)
              {   //show errors if there is any
                  MessageBox.Show(ex.Message);
              }
          }
  </code></pre>
  
  <p>video1.mpg file is in bin folder. <strong>I have converted an avi file to MPEG-1 format with any-video-converter.</strong> 
  But still this format is not working. I have tried <strong>mencoder</strong> also. but still same error. </p>
  
  <pre><code>Unable to create capture from video1.mpg
  </code></pre>
  
  <p>how to make it compatible with emgu <code>Capture</code>?</p>