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      Libavutil Documentation
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      <h1>
      Libavutil Documentation
      </h1>


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<h2 class="contents-heading">Table of Contents</h2>

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<ul class="toc-numbered-mark">
  <li><a id="toc-Description" href="#Description">1 Description</a></li>
  <li><a id="toc-See-Also" href="#See-Also">2 See Also</a></li>
  <li><a id="toc-Authors" href="#Authors">3 Authors</a></li>
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<li><a href="#Description" accesskey="1">Description</a></li>
<li><a href="#See-Also" accesskey="2">See Also</a></li>
<li><a href="#Authors" accesskey="3">Authors</a></li>
</ul>
<div class="chapter-level-extent" id="Description">
<h2 class="chapter"><span>1 Description<a class="copiable-link" href="#Description"> &para;</a></span></h2>

<p>The libavutil library is a utility library to aid portable
multimedia programming. It contains safe portable string functions,
random number generators, data structures, additional mathematics
functions, cryptography and multimedia related functionality (like
enumerations for pixel and sample formats). It is not a library for
code needed by both libavcodec and libavformat.
</p>
<p>The goals for this library is to be:
</p>
<dl class="table">
<dt><strong class="strong">Modular</strong></dt>
<dd><p>It should have few interdependencies and the possibility of disabling individual
parts during <code class="command">./configure</code>.
</p>
</dd>
<dt><strong class="strong">Small</strong></dt>
<dd><p>Both sources and objects should be small.
</p>
</dd>
<dt><strong class="strong">Efficient</strong></dt>
<dd><p>It should have low CPU and memory usage.
</p>
</dd>
<dt><strong class="strong">Useful</strong></dt>
<dd><p>It should avoid useless features that almost no one needs.
</p></dd>
</dl>


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<div class="chapter-level-extent" id="See-Also">
<h2 class="chapter"><span>2 See Also<a class="copiable-link" href="#See-Also"> &para;</a></span></h2>

<p><a class="url" href="ffmpeg.html">ffmpeg</a>, <a class="url" href="ffplay.html">ffplay</a>, <a class="url" href="ffprobe.html">ffprobe</a>,
<a class="url" href="ffmpeg-utils.html">ffmpeg-utils</a>
</p>

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<div class="chapter-level-extent" id="Authors">
<h2 class="chapter"><span>3 Authors<a class="copiable-link" href="#Authors"> &para;</a></span></h2>

<p>The FFmpeg developers.
</p>
<p>For details about the authorship, see the Git history of the project
(https://git.ffmpeg.org/ffmpeg), e.g. by typing the command
<code class="command">git log</code> in the FFmpeg source directory, or browsing the
online repository at <a class="url" href="https://git.ffmpeg.org/ffmpeg">https://git.ffmpeg.org/ffmpeg</a>.
</p>
<p>Maintainers for the specific components are listed in the file
<samp class="file">MAINTAINERS</samp> in the source code tree.
</p>

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