aph to stderr.
</p>
</dd>
</dl>

<a name="Examples-10"></a>
<h3 class="subsection"><a href="ffmpeg-devices.html#toc-Examples-10">3.13.2 Examples</a></h3>

<ul>
<li>
Create a color video stream and play it back with <code>ffplay</code>:
<div class="example">
<pre class="example">ffplay -f lavfi -graph &quot;color=c=pink [out0]&quot; dummy
</pre></div>

</li><li>
As the previous example, but use filename for specifying the graph
description, and omit the &quot;out0&quot; label:
<div class="example">
<pre clas