p>Show channel names and standard channel layouts.
</p>
</dd>
<dt>&lsquo;<samp>-colors</samp>&rsquo;</dt>
<dd><p>Show recognized color names.
</p>
</dd>
<dt>&lsquo;<samp>-sources <var>device</var>[,<var>opt1</var>=<var>val1</var>[,<var>opt2</var>=<var>val2</var>]...]</samp>&rsquo;</dt>
<dd><p>Show autodetected sources of the input device.
Some devices may provide system-dependent source names that cannot be autodetected.
The returned list cannot be assumed to be always complete.
</p><div class="example">
<p