>, the
streams to display can be chosen with <code>-vst</code> <var>n</var> and
<code>-ast</code> <var>n</var> for video and audio respectively, and can be switched
on the fly by pressing <code>v</code> and <code>a</code>.
</p>
<a name="Examples"></a>
<h3 class="subsection"><a href="ffmpeg-protocols.html#toc-Examples">3.28.1 Examples</a></h3>

<p>The following examples all make use of the <code>ffplay</code> and
<code>ffmpeg</code> tools.
</p>
<ul>
<li>
Watch a stream over UDP, with a max reordering delay o