alue is 0.
</p>
</dd>
<dt><samp class="option">isf, in_sample_fmt</samp></dt>
<dd><p>Specify the input sample format. It is set by default to <code class="code">none</code>.
</p>
</dd>
<dt><samp class="option">osf, out_sample_fmt</samp></dt>
<dd><p>Specify the output sample format. It is set by default to <code class="code">none</code>.
</p>
</dd>
<dt><samp class="option">tsf, internal_sample_fmt</samp></dt>
<dd><p>Set the internal sample format. Default value is <code class="code">none</code>.
This will au