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<?php
   $title = "x264, the best H.264/AVC encoder";
   $body_color = "green";
   $nobanner = true;
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   $new_design = true;
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   require($_SERVER["DOCUMENT_ROOT"]."/include/header.php");
?>

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<div class="container">
    <h1 class="bigtitle">x264</h1>
    <div class="row">
        <div class="column col-xs-12 col-md-6">
            <div class="projectDescription">
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                <p>x264 is a <b>free software</b> <b>library</b> and <b>application</b> for encoding video streams into the
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                <b><a href="https://en.wikipedia.org/wiki/H.264">H.264/MPEG-4 AVC</a></b> compression format,
                and is released under the terms of the <a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0.html">GNU GPL</a>.</p>
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            </div>
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            <a id="downloadButton" href="ftp://ftp.videolan.org/pub/x264/snapshots/last_x264.tar.bz2">
                <img style="position: absolute; top: -10px; left: -10px;" src="/images/downloadX264.png" alt="Download x264 icon" />
                <span class="downloadText">Download x264</span>
                <span id="downloadDetails" style="font-size: 12px; color: white;">
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                    master &nbsp;&#8226;&nbsp; Source &nbsp;&#8226;&nbsp; 475kB
                </span>
            </a>
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            <div class="clearfix"></div>
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            <p style="padding-top: 1em;"><a class="extraInfoLink" href="https://download.videolan.org/pub/videolan/x264/binaries/" >Binaries</a></p>
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        </div>

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        <div class="column col-xs-12 col-md-6">
            <h2>Features Overview</h2>
            <ul class="bullets">
                <li>Provides best-in-class performance, compression, and features.</li>
                <li>Achieves dramatic performance, encoding 4 or more 1080p streams in realtime on a single consumer-level computer.</li>
                <li>Gives the best quality, having the most advanced psychovisual optimizations.</li>
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                <li>Support features necessary for many different applications, such as television broadcast, Blu-ray low-latency video applications, and web video.</li>
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                <li>x264 forms the core of many web video services, such as Youtube, Facebook, Vimeo, and Hulu.
                It is widely used by television broadcasters and ISPs.</li>
            </ul>
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        </div>
    </div>
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    <hr />
    <div class="row">
        <div class="column col-xs-12 col-md-6">
            <h2>Getting x264</h2>
            <h3>Source</h3>
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            <p>The latest x264 source code can always be found by anonymous <a href="https://wiki.videolan.org/Git">git</a> repository:</p>
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            <pre><code># git clone https://git.videolan.org/git/x264.git</code></pre>
            <p>Or grab a <a href="https://download.videolan.org/pub/videolan/x264/snapshots/">daily tarball</a>.</p>
            <p>You can <a href="https://git.videolan.org/?p=x264.git;a=summary">browse the source</a> on-line.</p>
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            <h3>Application binaries</h3>
            <p>Official builds for Windows, Linux, and MacOSX are available
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            from <a href="https://download.videolan.org/pub/x264/binaries/">here</a>.</p>
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        </div>
        <div class="column col-xs-12 col-md-6">
            <h2>News</h2>
            <p><b>2013 August 23</b> &mdash; The <a href="https://mailman.videolan.org/pipermail/x264-devel/2013-August/010211.html">x264 Development Newsletter: Volume 39</a> is out.</p>
            <p><b>2013 July 4</b> &mdash; The <a href="https://mailman.videolan.org/pipermail/x264-devel/2013-July/010170.html">x264 Development Newsletter: Volume 38</a> is out.</p>
            <p><b>2013 May 20</b> &mdash; The <a href="https://mailman.videolan.org/pipermail/x264-devel/2013-May/010083.html">x264 Development Newsletter: Volume 37</a> is out.</p>
            <p><b>2013 May 4</b> &mdash; The <a href="https://mailman.videolan.org/pipermail/x264-devel/2013-May/010049.html">x264 Development Newsletter: Volume 36</a> is out.</p>
            <?php
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                /* <p><b>2011 May 12</b> -- The <a href="https://mailman.videolan.org/pipermail/x264-devel/2011-May/008508.html">x264 Development Newsletter: Volume 16</a> is out.</p>
                <p><b>2011 May 12</b> -- The <a href="https://mailman.videolan.org/pipermail/x264-devel/2011-May/008508.html">x264 Development Newsletter: Volume 16</a> is out.</p>
                <p><b>2011 April 26</b> -- The <a href="https://mailman.videolan.org/pipermail/x264-devel/2011-April/008442.html">x264 Development Newsletter: Volume 15</a> is out.</p>
                <p><b>2011 April 13</b> -- The <a href="https://mailman.videolan.org/pipermail/x264-devel/2011-April/008388.html">x264 Development Newsletter: Volume 14</a> is out.</p>
                <p><b>2011 March 24</b> -- The <a href="https://mailman.videolan.org/pipermail/x264-devel/2011-March/008353.html">x264 Development Newsletter: Volume 13</a> is out.</p> */
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            ?>
        </div>
    </div>
    <hr />
    <div class="row">
        <div class="column col-xs-12 col-md-6">
            <h2 id="features">Encoder features</h2>
            <ul class="bullets">
                <li> 8x8 and 4x4 adaptive spatial transform</li>
                <li> Adaptive B-frame placement</li>
                <li> B-frames as references / arbitrary frame order</li>
                <li> CAVLC/CABAC entropy coding</li>
                <li> Custom quantization matrices</li>
                <li> Intra: all macroblock types (16x16, 8x8, 4x4, and PCM with all predictions)</li>
                <li> Inter P: all partitions (from 16x16 down to 4x4)</li>
                <li> Inter B: partitions from 16x16 down to 8x8 (including skip/direct)</li>
                <li> Interlacing (MBAFF)</li>
                <li> Multiple reference frames</li>
                <li> Ratecontrol: constant quantizer, constant quality, single or multipass ABR, optional VBV</li>
                <li> Scenecut detection</li>
                <li> Spatial and temporal direct mode in B-frames, adaptive mode selection</li>
                <li> Parallel encoding on multiple CPUs</li>
                <li> Predictive lossless mode</li>
                <li> Psy optimizations for detail retention (adaptive quantization, psy-RD, psy-trellis)</li>
                <li> Zones for arbitrarily adjusting bitrate distribution</li>
            </ul>
        </div>
        <div class="column col-xs-12 col-md-6">
            <h2>Awards</h2>
            <p><b>2010 May 25</b> &mdash; x264 won <a href="http://www.compression.ru/video/codec_comparison/h264_2010/">MSU Sixth MPEG-4 AVC/H.264 Video Codecs Comparison</a>, with ~24% better encoding than second place.</p>
            <p><b>2005 December 26</b> &mdash; x264 won <a href="http://www.doom9.org/index.html?/codecs-final-105-1.htm">Doom9's 2005 codec shoot-out</a>, passing Ateme by a hair.</p>
            <p><b>2005 December 12</b> &mdash; x264 tied for 1st place (with Ateme) in the <a href="http://www.compression.ru/video/codec_comparison/mpeg-4_avc_h264_2005_en.html">second annual MSU MPEG-4 AVC/ H.264 codecs comparison</a>.</p>
        </div>
    </div>
    <hr />
    <?php /*!-- <h2>Authors</h2>
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    <p>The code is written from scratch by <a href="mailto:fenrir@videolan.org">Laurent Aimar</a>,
    <a href="mailto:pengvado@users.sourceforge.net">Loren Merritt</a>, <a href="mailto:titer@videolan.org">Eric Petit</a> (OS X),
    <a href="mailto:chenm001@163.com">Min Chen</a> (vfw/asm), Justin Clay (vfw), <a href="mailto:mru@mru.ath.cx">M&aring;ns Rullg&aring;rd</a>,
    Radek Czyz, Christian Heine (asm), Alex Izvorski, Alex Wright and <a href="mailto:darkshikari@gmail.com">Jason Garrett-Glaser</a>.</p>--> */ ?>
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    <div class="row">
        <div class="column col-xs-12 col-md-4">
            <h2>Support</h2>
            <p>For support information and to ask questions, you have the following possibilities:</p>
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            <p>A mailing list (<a href="https://mailman.videolan.org/listinfo/x264-devel">x264-devel</a>), a forum (<a href="http://doom10.org/index.php?board=5.0">Doom10</a>), and IRC (<a href="irc://irc.freenode.net/x264">#x264@freenode</a> and <a href="irc://irc.freenode.net/x264dev">#x264dev@freenode</a>).</p>
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        </div>
        <div class="column col-xs-12 col-md-4">
            <h2>Bugs</h2>
            <p>Please report any bugs to the <a href="/developers/lists.html">mailing list</a>.</p>
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            <p>If it is a crash, then compile x264 with <code>./configure --enable-debug</code> and follow the <a href="https://ffmpeg.org/bugreports.html">ffmpeg bugreporting guidelines</a>.</p>
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        </div>
        <div class="column col-xs-12 col-md-4">
            <h2>Licensing</h2>
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            <p>In addition to being free to use under the <a href="https://www.gnu.org/licenses/gpl-2.0.html">GNU GPL</a>, x264 is also available under a commercial license from x264 LLC and <a href="https://corecodec.com/" rel="nofollow">CoreCodec</a>. Contact info@x264licensing.com for more details.</p>
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        </div>
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    </div>
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    <hr />
    <h2>Software using x264</h2>
    <ul class="bullets">
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        <li><a href="http://avidemux.org/">Avidemux</a></li>
        <li><a href="http://www.funknmary.de/bergdichter/projekte/index.php?page=ELDER">ELDER</a></li>
        <li><a href="http://sourceforge.net/projects/ffdshow">ffdshow</a></li>
        <li><a href="http://ffmpeg.org/">ffmpeg</a></li>
        <li><a href="http://sf.net/projects/gordianknot/">GordianKnot</a></li>
        <li><a href="http://handbrake.fr/">Handbrake</a></li>
        <li><a href="http://lives.sourceforge.net/">LiVES</a></li>
        <li><a href="http://forum.doom9.org/showthread.php?t=96032">MeGUI</a></li>
        <li><a href="http://www.mplayerhq.hu/">MEncoder</a></li>
        <li><a href="http://www.detritus.qc.ca/">Bencos (formerly RealAnime)</a></li>
        <li><a href="http://staxmedia.sourceforge.net/">StaxRip</a></li>
        <li><a href="/vlc/">VLC media player</a></li>
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        <li>…and many more</li>
    </ul>
    <p>If you use <b>x264</b> in another project, let <em>us know</em>!</p>
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</div>

<?php /*!--    <div class="onecolumn">
        <h2>People using x264</h2>
        <ul class="bullets">
        <li><a href="http://www.youtube.com/">Youtube</a></li>
        <li><a href="http://www.facebook.com/">Facebook</a></li>
        <li><a href="http://www.hulu.com/">Hulu</a></li>
        <li><a href="http://www.bitsontherun.com/">Bits on the Run</a></li>
        <li><a href="http://video.google.com/">Google Video</a></li>
        <li><a href="http://www.cs.washington.edu/research/MobileASL/">MobileASL</a></li>
        <li><a href="http://speeddemosarchive.com">Speed Demos Archive</a></li>
        <li><a href="http://TASvideos.org/">TASvideos</a></li>
        </ul>

        </div>!--> */?>


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