[1fb813d] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[fc8a910] | 7 | <!ENTITY libvpx-download-http "https://github.com/webmproject/libvpx/archive/v&libvpx-version;/libvpx-&libvpx-version;.tar.gz">
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[13bd274] | 8 | <!ENTITY libvpx-download-ftp " ">
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[fed4605f] | 9 | <!ENTITY libvpx-md5sum "e5fab59896984392124d0bfaffc36e14">
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[3c32a38] | 10 | <!ENTITY libvpx-size "5.0 MB">
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| 11 | <!ENTITY libvpx-buildsize "63 MB (add 1.3GB if running tests)">
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| 12 | <!ENTITY libvpx-time "0.5 SBU (using parallelism=4), add 14 SBU if running tests, including download time">
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[1fb813d] | 13 | ]>
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| 14 |
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[14897252] | 15 | <sect1 id="libvpx" xreflabel="libvpx-&libvpx-version;">
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[1fb813d] | 16 | <?dbhtml filename="libvpx.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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| 22 |
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[e04cfef] | 23 | <title>libvpx-&libvpx-version;</title>
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[1fb813d] | 24 |
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| 25 | <indexterm zone="libvpx">
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| 26 | <primary sortas="a-libvpx">libvpx</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to libvpx</title>
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| 31 |
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[2eeb8695] | 32 | <para>
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| 33 | This package, from the WebM project, provides the reference
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| 34 | implementations of the VP8 Codec, used in most current html5 video,
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| 35 | and of the next-generation VP9 Codec.
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| 36 | </para>
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[1fb813d] | 37 |
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[c0b9aa94] | 38 | &lfs10_checked;
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[1fb813d] | 39 |
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| 40 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 41 | <itemizedlist spacing="compact">
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| 42 | <listitem>
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[2eeb8695] | 43 | <para>
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| 44 | Download (HTTP): <ulink url="&libvpx-download-http;"/>
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| 45 | </para>
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[1fb813d] | 46 | </listitem>
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| 47 | <listitem>
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[2eeb8695] | 48 | <para>
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| 49 | Download (FTP): <ulink url="&libvpx-download-ftp;"/>
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| 50 | </para>
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[1fb813d] | 51 | </listitem>
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| 52 | <listitem>
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[2eeb8695] | 53 | <para>
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| 54 | Download MD5 sum: &libvpx-md5sum;
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| 55 | </para>
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[1fb813d] | 56 | </listitem>
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| 57 | <listitem>
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[2eeb8695] | 58 | <para>
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| 59 | Download size: &libvpx-size;
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| 60 | </para>
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[1fb813d] | 61 | </listitem>
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| 62 | <listitem>
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[2eeb8695] | 63 | <para>
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| 64 | Estimated disk space required: &libvpx-buildsize;
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| 65 | </para>
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[1fb813d] | 66 | </listitem>
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| 67 | <listitem>
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[2eeb8695] | 68 | <para>
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| 69 | Estimated build time: &libvpx-time;
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| 70 | </para>
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[1fb813d] | 71 | </listitem>
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| 72 | </itemizedlist>
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| 73 |
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| 74 | <bridgehead renderas="sect3">libvpx Dependencies</bridgehead>
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| 75 |
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[793932fd] | 76 | <bridgehead renderas="sect4">Required</bridgehead>
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[f95e57bf] | 77 | <para role="required">
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[cac7f93] | 78 | <xref linkend="yasm"/> or <xref role="nodep" linkend="nasm"/>, and
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| 79 | <!-- see
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| 80 | http://lists.linuxfromscratch.org/pipermail/blfs-book/2019-August/083164.html
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| 81 | and references therein -->
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[f95e57bf] | 82 | <xref linkend="which"/> (so <command>configure</command> can find yasm)
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| 83 | </para>
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[793932fd] | 84 |
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[1fb813d] | 85 | <bridgehead renderas="sect4">Optional</bridgehead>
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[e915fec] | 86 | <para role="optional">
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[3c32a38] | 87 | <xref linkend="curl"/> (to download test files),
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[e915fec] | 88 | <xref linkend="doxygen"/> and <xref linkend="php"/>
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[39edd16d] | 89 | (to build the documentation)
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[e915fec] | 90 | </para>
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[1fb813d] | 91 |
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| 92 | <para condition="html" role="usernotes">User Notes:
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| 93 | <ulink url="&blfs-wiki;/libvpx"/></para>
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| 94 |
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| 95 | </sect2>
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| 96 |
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| 97 | <sect2 role="installation">
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| 98 | <title>Installation of libvpx</title>
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| 99 |
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[2eeb8695] | 100 | <para>
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| 101 | Install <application>libvpx</application> by running the
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| 102 | following commands:
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| 103 | </para>
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[1fb813d] | 104 |
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[71b2520e] | 105 | <screen><userinput>sed -i 's/cp -p/cp/' build/make/Makefile &&
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[e04cfef] | 106 |
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[71b2520e] | 107 | mkdir libvpx-build &&
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| 108 | cd libvpx-build &&
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[e04cfef] | 109 |
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[71b2520e] | 110 | ../configure --prefix=/usr \
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| 111 | --enable-shared \
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| 112 | --disable-static &&
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[1fb813d] | 113 | make</userinput></screen>
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| 114 |
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[2eeb8695] | 115 | <para>
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[3c32a38] | 116 | To test the results, issue: <command>make test</command>. Four tests are
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| 117 | known to fail. The test suite downloads several files as part of it's
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| 118 | test process.
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[2eeb8695] | 119 | </para>
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[1fb813d] | 120 |
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[2eeb8695] | 121 | <para>
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| 122 | Now, as the <systemitem class="username">root</systemitem>
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| 123 | user:
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| 124 | </para>
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[1fb813d] | 125 |
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| 126 | <screen role="root"><userinput>make install</userinput></screen>
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| 127 |
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| 128 | </sect2>
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| 129 |
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| 130 | <sect2 role="commands">
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| 131 | <title>Command Explanations</title>
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| 132 |
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[2eeb8695] | 133 | <para>
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| 134 | <command>sed ... </command>: This command
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| 135 | corrects ownership and permissions of installed files.
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| 136 | </para>
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[b63e0be1] | 137 |
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[2eeb8695] | 138 | <para>
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| 139 | <command>mkdir libvpx-build && cd libvpx-build</command>:
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| 140 | The <application>libvpx</application> developers
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| 141 | recommend building in a dedicated build directory.
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| 142 | </para>
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[0d7900a] | 143 |
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[2eeb8695] | 144 | <para>
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| 145 | <option>--disable-vp8</option>: This switch prevents building of VP8
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| 146 | codec support.
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| 147 | </para>
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[6c52b1a] | 148 |
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[2eeb8695] | 149 | <para>
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| 150 | <option>--disable-vp9</option>: This switch prevents building of VP9
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| 151 | codec support.
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| 152 | </para>
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[6c52b1a] | 153 |
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[1a518e97] | 154 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 155 | href="../../xincludes/static-libraries.xml"/>
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[1fb813d] | 156 |
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| 157 | </sect2>
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| 158 |
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| 159 | <sect2 role="content">
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| 160 | <title>Contents</title>
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| 161 |
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| 162 | <segmentedlist>
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| 163 | <segtitle>Installed Programs</segtitle>
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[5aac2b97] | 164 | <segtitle>Installed Libraries</segtitle>
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[1fb813d] | 165 | <segtitle>Installed Directories</segtitle>
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| 166 |
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| 167 | <seglistitem>
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[e04cfef] | 168 | <seg>vpxdec and vpxenc</seg>
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[5aac2b97] | 169 | <seg>libvpx.so</seg>
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[1fb813d] | 170 | <seg>/usr/include/vpx</seg>
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| 171 | </seglistitem>
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| 172 | </segmentedlist>
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| 173 |
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| 174 | <variablelist>
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| 175 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 176 | <?dbfo list-presentation="list"?>
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| 177 | <?dbhtml list-presentation="table"?>
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| 178 |
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| 179 | <varlistentry id="vpxdec">
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| 180 | <term><command>vpxdec</command></term>
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| 181 | <listitem>
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[2eeb8695] | 182 | <para>
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| 183 | is the WebM Project VP8 and VP9 decoder.
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| 184 | </para>
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[1fb813d] | 185 | <indexterm zone="libvpx vpxdec">
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| 186 | <primary sortas="b-vpxdec">vpxdec</primary>
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| 187 | </indexterm>
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| 188 | </listitem>
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| 189 | </varlistentry>
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| 190 |
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| 191 | <varlistentry id="vpxenc">
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| 192 | <term><command>vpxenc</command></term>
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| 193 | <listitem>
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[2eeb8695] | 194 | <para>
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| 195 | is the WebM project VP8 and VP9 encoder.
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| 196 | </para>
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[1fb813d] | 197 | <indexterm zone="libvpx vpxenc">
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| 198 | <primary sortas="b-vpxenc">vpxenc</primary>
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| 199 | </indexterm>
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| 200 | </listitem>
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| 201 | </varlistentry>
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| 202 |
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| 203 | <varlistentry id="libvpx-lib">
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[5aac2b97] | 204 | <term><filename class='libraryfile'>libvpx.so</filename></term>
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[1fb813d] | 205 | <listitem>
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[2eeb8695] | 206 | <para>
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| 207 | provides functions to use the VP8 and VP9 video codecs.
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| 208 | </para>
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[1fb813d] | 209 | <indexterm zone="libvpx libvpx-lib">
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[e114b7b9] | 210 | <primary sortas="c-libvpx">libvpx.so</primary>
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[1fb813d] | 211 | </indexterm>
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| 212 | </listitem>
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| 213 | </varlistentry>
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| 214 |
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| 215 | </variablelist>
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| 216 |
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| 217 | </sect2>
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| 218 |
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| 219 | </sect1>
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