pture input device.
</p>
<p>The filename passed as input is the capture driver number, ranging from
0 to 9. You may use &quot;list&quot; as filename to print a list of drivers. Any
other filename will be interpreted as device number 0.
</p>
<a name="Options-16"></a>
<h3 class="subsection"><a href="ffmpeg-devices.html#toc-Options-16">3.21.1 Options</a></h3>

<dl compact="compact">
<dt>&lsquo;<samp>video_size</samp>&rsquo;</dt>
<dd><p>Set the video frame size.
</p>
</dd>
<dt>&lsquo;<samp>framerate</samp>&rsqu