em> - Whether to allow overwriting existing files or to automatically increment target filenames to avoid overwriting. Defaults to False.</li>
</ul>
<h4 id="returns">Returns<a class="headerlink" href="#returns" title="Permanent link">&para;</a></h4>
<ul>
<li><code>MgVideo</code> - A new MgVideo pointing to the output video file. If <code>save_video=False</code>, it returns an MgVideo pointing to the input video file.</li>
</ul>
<h2 id="mg_motiondata">mg_motiondata<a class="headerlink" href="#mg_motiondata" 