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Jean-Marc Valin 2010-11-14 02:24:26 -05:00
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doc/draft-ietf-codec-opus.xml
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@ -2,7 +2,7 @@
<!DOCTYPE rfc SYSTEM 'rfc2629.dtd'> <!DOCTYPE rfc SYSTEM 'rfc2629.dtd'>
<?rfc toc="yes" symrefs="yes" ?> <?rfc toc="yes" symrefs="yes" ?>
<rfc ipr="trust200902" category="std" docName="draft-ietf-codec-opus-00"> <rfc ipr="trust200902" category="std" docName="draft-ietf-codec-opus-01">
<front> <front>
<title abbrev="Interactive Audio Codec">Definition of the Opus Audio Codec</title> <title abbrev="Interactive Audio Codec">Definition of the Opus Audio Codec</title>
@ -27,7 +27,7 @@
<organization>Skype Technologies S.A.</organization> <organization>Skype Technologies S.A.</organization>
<address> <address>
<postal> <postal>
<street>Stadsgaarden 6</street> <street>Stadsgarden 6</street>
<city>Stockholm</city> <city>Stockholm</city>
<region></region> <region></region>
<code>11645</code> <code>11645</code>
@ -39,7 +39,7 @@
</author> </author>
<date day="15" month="October" year="2010" /> <date day="14" month="November" year="2010" />
<area>General</area> <area>General</area>
@ -304,7 +304,7 @@ This document has no actions for IANA.
<section anchor="Acknowledgments" title="Acknowledgments"> <section anchor="Acknowledgments" title="Acknowledgments">
<t> <t>
Thanks to all other developers, including Soeren Skak Jensen, Gregory Maxwell, Thanks to all other developers, including Raymond Chen, Soeren Skak Jensen, Gregory Maxwell,
Christopher Montgomery, Karsten Vandborg Soerensen, and Timothy Terriberry. Christopher Montgomery, Karsten Vandborg Soerensen, and Timothy Terriberry.
</t> </t>
</section> </section>
@ -386,6 +386,46 @@ Christopher Montgomery, Karsten Vandborg Soerensen, and Timothy Terriberry.
</references> </references>
<section anchor="ref-implementation" title="Reference Implementation">
<t>This appendix contains the complete source code for the
reference implementation of the Opus codec written in C. This
implementation can be compiled for
either floating-point or fixed-point architectures.
</t>
<t>The implementation can be compiled with either a C89 or a C99
compiler. It is reasonably optimized for most platforms such that
only architecture-specific optimizations are likely to be useful.
The FFT used is a slightly modified version of the KISS-FFT package,
but it is easy to substitute any other FFT library.
</t>
<section title="Extracting the source">
<t>
The complete source code can be extracted from this draft, by running the
following command line:
<list style="symbols">
<t><![CDATA[
cat draft-ietf-codec-opus.txt | grep '^ ###' | sed 's/ ###//' | base64 -d > opus_source.tar.gz
]]></t>
<t>
tar xzvf opus_source.tar.gz
</t>
</list>
</t>
</section>
<section title="Base64-encoded source code">
<t>
<?rfc include="opus_source.base64"?>
</t>
</section>
</section>
</back> </back>
</rfc> </rfc>