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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=Dirac</id>
		<title>Dirac - Revision history</title>
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		<updated>2026-04-25T04:32:08Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.19.2</generator>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Dirac&amp;diff=34969&amp;oldid=prev</id>
		<title>Jsummers: /* Software */</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Dirac&amp;diff=34969&amp;oldid=prev"/>
				<updated>2020-02-27T15:14:25Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Software&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 15:14, 27 February 2020&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Schrödinger, for example version 1.0.11 being at [https://web.archive.org/web/20140214214550/http://diracvideo.org/download/schroedinger/schroedinger-1.0.11.tar.gz]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Schrödinger, for example version 1.0.11 being at [https://web.archive.org/web/20140214214550/http://diracvideo.org/download/schroedinger/schroedinger-1.0.11.tar.gz]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [[FFmpeg]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [[FFmpeg]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* [https://github.com/bbc/vc2-reference VC-2 reference encoder/decoder]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Dirac&amp;diff=31056&amp;oldid=prev</id>
		<title>Effect2: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Video |released=2008 }}  '''Dirac''', also possibly referred to by the name of the standard '''SMPTE 2042-1-2009'''&lt;ref name=&quot;wikip...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Dirac&amp;diff=31056&amp;oldid=prev"/>
				<updated>2019-04-08T06:20:15Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Video |released=2008 }}  &amp;#039;&amp;#039;&amp;#039;Dirac&amp;#039;&amp;#039;&amp;#039;, also possibly referred to by the name of the standard &amp;#039;&amp;#039;&amp;#039;SMPTE 2042-1-2009&amp;#039;&amp;#039;&amp;#039;&amp;lt;ref name=&amp;quot;wikip...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Video&lt;br /&gt;
|released=2008&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
'''Dirac''', also possibly referred to by the name of the standard '''SMPTE 2042-1-2009'''&amp;lt;ref name=&amp;quot;wikipedia_infobox&amp;quot;&amp;gt;[[Wikipedia:Dirac (video compression format)]] Infobox&amp;lt;/ref&amp;gt; or by the name of an implementation '''Schrödinger''', is a lossy [[video]] codec developed in 2008 of roughly the same generation as [[H.264]], [[VC-1]], and [[VP8]]. A subset consisting only of I-frames is called '''Dirac Pro''', '''VC-2''', or '''SMPTE 2042-2-2009'''&amp;lt;ref name=&amp;quot;wikipedia_infobox&amp;quot; /&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== Specifications ==&lt;br /&gt;
* [https://web.archive.org/web/20150503015104im_/http://diracvideo.org/download/specification/dirac-spec-latest.pdf Version 2.2.3 of the official specification]&lt;br /&gt;
&lt;br /&gt;
== Software ==&lt;br /&gt;
* [https://sourceforge.net/projects/dirac/ The reference implementation, known as &amp;quot;dirac-research&amp;quot; or simply &amp;quot;Dirac&amp;quot;&amp;lt;ref&amp;gt;[[Wikipedia:Dirac (video compression format)#Software implementations]]&amp;lt;/ref&amp;gt;]&lt;br /&gt;
* Schrödinger, for example version 1.0.11 being at [https://web.archive.org/web/20140214214550/http://diracvideo.org/download/schroedinger/schroedinger-1.0.11.tar.gz]&lt;br /&gt;
* [[FFmpeg]]&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [https://web.archive.org/web/20140214214550/http://diracvideo.org/ Dirac's official website website]&lt;br /&gt;
* [https://wiki.multimedia.cx/index.php/Dirac MultimediaWiki page]&lt;br /&gt;
* [https://web.archive.org/web/20121112133503/http://www.bbc.co.uk/rd/projects/dirac/index.shtml BBC page for Dirac]&lt;br /&gt;
* [https://web.archive.org/web/20120731024122/http://www.bbc.co.uk/rd/projects/dirac/diracpro.shtml BBC page for Dirac Pro]&lt;br /&gt;
* [https://en.wikipedia.org/wiki/Dirac_(video_compression_format)#Software_implementations Wikipedia page]&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;/div&gt;</summary>
		<author><name>Effect2</name></author>	</entry>

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