et preferred window size, can be a string of the form widthxheight or a video size abbreviation.
If not specified it defaults to the size of the input video, downscaled according to the aspect ratio.
Mostly usable when &lsquo;<samp>no_window</samp>&rsquo; is not set.
</p>
</dd>
</dl>

<a name="Examples-13"></a>
<h3 class="subsection"><a href="ffmpeg-devices.html#toc-Examples-13">4.6.2 Examples</a></h3>
<p>Play a file on SDL window using OpenGL rendering:
</p><div class="example">
<pre class="example">ffmpeg