</var></samp>&rsquo;</dt>
<dd><p>Explicitly allow or disallow reusing UDP sockets.
</p>
</dd>
<dt>&lsquo;<samp>ttl=<var>ttl</var></samp>&rsquo;</dt>
<dd><p>Set the time to live value (for multicast only).
</p>
</dd>
<dt>&lsquo;<samp>connect=<var>1|0</var></samp>&rsquo;</dt>
<dd><p>Initialize the UDP socket with <code>connect()</code>. In this case, the
destination address can&rsquo;t be changed with ff_udp_set_remote_url later.
If the destination address isn&rsquo;t known at the start, this option can
be sp