onent.
</p>
<p>Options may be set by specifying -<var>option</var> <var>value</var> in the
FFmpeg tools, or by setting the value explicitly in the
<code>AVFormatContext</code> options or using the &lsquo;<tt>libavutil/opt.h</tt>&rsquo; API
for programmatic use.
</p>
<p>The list of supported options follows:
</p>
<dl compact="compact">
<dt>&lsquo;<samp>protocol_whitelist <var>list</var> (<em>input</em>)</samp>&rsquo;</dt>
<dd><p>Set a &quot;,&quot;-separated list of allowed protocols. &quot;ALL&quot; matches