y available input devices follows.
</p>
<a name="alsa-1"></a>
<h2 class="section"><a href="ffmpeg-devices.html#toc-alsa-1">3.1 alsa</a></h2>

<p>ALSA (Advanced Linux Sound Architecture) input device.
</p>
<p>To enable this input device during configuration you need libasound
installed on your system.
</p>
<p>This device allows capturing from an ALSA device. The name of the
device to capture has to be an ALSA card identifier.
</p>
<p>An ALSA identifier has the syntax:
</p><div class="example">
<pre class="ex