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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297028 c90b9560-bf6c-de11-be94-00142212c4b1
90 lines
2.6 KiB
XML
90 lines
2.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<chapter xml:id="oggvorbis.contexts" xmlns="http://docbook.org/ns/docbook">
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<title>Context options</title>
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<table>
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<title>OGG/Vorbis tuning options</title>
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<tgroup cols="4">
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<thead>
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<row>
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<entry>Option</entry>
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<entry>Definition</entry>
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<entry>Relevance</entry>
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<entry>Default</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>pcm_mode</entry>
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<entry>PCM byte encoding used. See constants below.</entry>
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<entry>Read / Write</entry>
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<entry><constant>OGGVORBIS_PCM_S16_LE</constant></entry>
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</row>
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<row>
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<entry>rate</entry>
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<entry>PCM Sampling rate. Measured in Hz.</entry>
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<entry>Write only</entry>
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<entry><constant>44100</constant></entry>
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</row>
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<row>
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<entry>bitrate</entry>
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<entry>
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Vorbis Average Bitrate Encoding / Variable Bitrate Encoding.
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Measured in bps (ABR) or Quality level (VBR: 0.0 to 1.0).
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128000 ABR is rough equal to 0.4 VBR.
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</entry>
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<entry>Write only</entry>
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<entry><constant>128000</constant></entry>
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</row>
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<row>
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<entry>channels</entry>
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<entry>Number of PCM channels. 1 == Mono, 2 == Stereo.</entry>
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<entry>Write only</entry>
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<entry><constant>2</constant></entry>
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</row>
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<row>
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<entry>serialno</entry>
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<entry>
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Serial Number of stream within file. Must be unique within file.
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Because of the potential to select a duplicate serial number within
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a chained file, make efforts to manually assign unique numbers when
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encoding.
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</entry>
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<entry>Write only</entry>
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<entry><emphasis>Random</emphasis></entry>
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</row>
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<row>
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<entry>comments</entry>
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<entry>
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Associative array of file comments.
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Will be translated to <literal>strtoupper($name) . "=$value"</literal>.
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Note: This context option is not available in oggvorbis-0.1
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</entry>
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<entry>Write only</entry>
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<entry><literal>array('ENCODER' => 'PHP/OggVorbis, http://pear.php.net/oggvorbis')</literal></entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</chapter>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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