[ab4fdfc] | 1 | <?xml version="1.0" encoding="UTF-8"?>
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[1fb813d] | 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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[66a2eaa] | 9 | <!ENTITY libvpx-md5sum "026bc289d916624dabdfd713c1c5b69a">
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[79adade] | 10 | <!ENTITY libvpx-size "5.3 MB">
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[66a2eaa] | 11 | <!ENTITY libvpx-buildsize "67 MB (add 1.6 GB for tests)">
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| 12 | <!ENTITY libvpx-time "0.5 SBU (Using parallelism=4; add approx 13 SBU for tests using parallelism=4, 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 |
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[e04cfef] | 19 | <title>libvpx-&libvpx-version;</title>
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[1fb813d] | 20 |
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| 21 | <indexterm zone="libvpx">
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| 22 | <primary sortas="a-libvpx">libvpx</primary>
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| 23 | </indexterm>
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| 24 |
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| 25 | <sect2 role="package">
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| 26 | <title>Introduction to libvpx</title>
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| 27 |
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[2eeb8695] | 28 | <para>
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| 29 | This package, from the WebM project, provides the reference
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| 30 | implementations of the VP8 Codec, used in most current html5 video,
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| 31 | and of the next-generation VP9 Codec.
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| 32 | </para>
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[1fb813d] | 33 |
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[332bad2a] | 34 | &lfs120_checked;
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[1fb813d] | 35 |
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| 36 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 37 | <itemizedlist spacing="compact">
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| 38 | <listitem>
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[2eeb8695] | 39 | <para>
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| 40 | Download (HTTP): <ulink url="&libvpx-download-http;"/>
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| 41 | </para>
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[1fb813d] | 42 | </listitem>
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| 43 | <listitem>
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[2eeb8695] | 44 | <para>
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| 45 | Download (FTP): <ulink url="&libvpx-download-ftp;"/>
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| 46 | </para>
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[1fb813d] | 47 | </listitem>
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| 48 | <listitem>
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[2eeb8695] | 49 | <para>
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| 50 | Download MD5 sum: &libvpx-md5sum;
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| 51 | </para>
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[1fb813d] | 52 | </listitem>
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| 53 | <listitem>
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[2eeb8695] | 54 | <para>
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| 55 | Download size: &libvpx-size;
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| 56 | </para>
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[1fb813d] | 57 | </listitem>
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| 58 | <listitem>
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[2eeb8695] | 59 | <para>
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| 60 | Estimated disk space required: &libvpx-buildsize;
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| 61 | </para>
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[1fb813d] | 62 | </listitem>
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| 63 | <listitem>
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[2eeb8695] | 64 | <para>
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| 65 | Estimated build time: &libvpx-time;
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| 66 | </para>
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[1fb813d] | 67 | </listitem>
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| 68 | </itemizedlist>
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| 69 |
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| 70 | <bridgehead renderas="sect3">libvpx Dependencies</bridgehead>
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| 71 |
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[431d921] | 72 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 73 | <para role="recommended">
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[8558044] | 74 | <xref linkend="yasm"/> or <xref role="nodep" linkend="nasm"/>, and
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[f95e57bf] | 75 | <xref linkend="which"/> (so <command>configure</command> can find yasm)
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| 76 | </para>
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[793932fd] | 77 |
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[1fb813d] | 78 | <bridgehead renderas="sect4">Optional</bridgehead>
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[e915fec] | 79 | <para role="optional">
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[8558044] | 80 | <xref linkend="curl"/> (to download test files) and
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[37ede2a] | 81 | <xref linkend="doxygen"/> (to build documentation)
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[e915fec] | 82 | </para>
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[1fb813d] | 83 |
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[afb71d0a] | 84 | &test-use-internet;
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| 85 |
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[1fb813d] | 86 | </sect2>
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| 87 |
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| 88 | <sect2 role="installation">
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| 89 | <title>Installation of libvpx</title>
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| 90 |
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[2eeb8695] | 91 | <para>
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| 92 | Install <application>libvpx</application> by running the
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| 93 | following commands:
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| 94 | </para>
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[1fb813d] | 95 |
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[71b2520e] | 96 | <screen><userinput>sed -i 's/cp -p/cp/' build/make/Makefile &&
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[e04cfef] | 97 |
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[71b2520e] | 98 | mkdir libvpx-build &&
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| 99 | cd libvpx-build &&
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[e04cfef] | 100 |
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[71b2520e] | 101 | ../configure --prefix=/usr \
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| 102 | --enable-shared \
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| 103 | --disable-static &&
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[1fb813d] | 104 | make</userinput></screen>
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| 105 |
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[2eeb8695] | 106 | <para>
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[37ede2a] | 107 | To test the results, issue:
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| 108 | <command>LD_LIBRARY_PATH=. make test</command>.
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[2e0fbc6] | 109 | The test suite downloads many files as part of its test process.
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[f719350] | 110 | A few parts of it will use all available cores.
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[2eeb8695] | 111 | </para>
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[1fb813d] | 112 |
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[2eeb8695] | 113 | <para>
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[37ede2a] | 114 | Now, as the <systemitem class="username">root</systemitem> user:
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[2eeb8695] | 115 | </para>
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[1fb813d] | 116 |
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| 117 | <screen role="root"><userinput>make install</userinput></screen>
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| 118 |
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| 119 | </sect2>
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| 120 |
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| 121 | <sect2 role="commands">
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| 122 | <title>Command Explanations</title>
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| 123 |
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[2eeb8695] | 124 | <para>
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| 125 | <command>sed ... </command>: This command
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| 126 | corrects ownership and permissions of installed files.
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| 127 | </para>
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[b63e0be1] | 128 |
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[2eeb8695] | 129 | <para>
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| 130 | <command>mkdir libvpx-build && cd libvpx-build</command>:
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| 131 | The <application>libvpx</application> developers
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| 132 | recommend building in a dedicated build directory.
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| 133 | </para>
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[0d7900a] | 134 |
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[f719350] | 135 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 136 | href="../../xincludes/static-libraries.xml"/>
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| 137 |
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[2eeb8695] | 138 | <para>
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| 139 | <option>--disable-vp8</option>: This switch prevents building of VP8
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| 140 | codec support.
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| 141 | </para>
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[6c52b1a] | 142 |
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[2eeb8695] | 143 | <para>
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| 144 | <option>--disable-vp9</option>: This switch prevents building of VP9
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| 145 | codec support.
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| 146 | </para>
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[6c52b1a] | 147 |
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[431d921] | 148 | <para>
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| 149 | <option>--target=generic-gnu</option>: This switch disables
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| 150 | optimizations specific for x86 and x86-64, allowing to build this
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| 151 | package without <command>nasm</command> and <command>yasm</command>
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| 152 | installed.
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| 153 | </para>
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| 154 |
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[37ede2a] | 155 | <para>
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[48771ae] | 156 | <command>LD_LIBRARY_PATH=.</command>: This is needed for the test suite
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[6700d12] | 157 | to use the library that was just built.
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[37ede2a] | 158 | </para>
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| 159 |
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[1fb813d] | 160 | </sect2>
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| 161 |
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| 162 | <sect2 role="content">
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| 163 | <title>Contents</title>
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| 164 |
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| 165 | <segmentedlist>
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| 166 | <segtitle>Installed Programs</segtitle>
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[5aac2b97] | 167 | <segtitle>Installed Libraries</segtitle>
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[1fb813d] | 168 | <segtitle>Installed Directories</segtitle>
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| 169 |
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| 170 | <seglistitem>
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[e04cfef] | 171 | <seg>vpxdec and vpxenc</seg>
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[5aac2b97] | 172 | <seg>libvpx.so</seg>
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[1fb813d] | 173 | <seg>/usr/include/vpx</seg>
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| 174 | </seglistitem>
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| 175 | </segmentedlist>
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| 176 |
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| 177 | <variablelist>
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| 178 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 179 | <?dbfo list-presentation="list"?>
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| 180 | <?dbhtml list-presentation="table"?>
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| 181 |
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| 182 | <varlistentry id="vpxdec">
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| 183 | <term><command>vpxdec</command></term>
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| 184 | <listitem>
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[2eeb8695] | 185 | <para>
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[4c24eb0a] | 186 | is the WebM Project VP8 and VP9 decoder
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[2eeb8695] | 187 | </para>
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[1fb813d] | 188 | <indexterm zone="libvpx vpxdec">
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| 189 | <primary sortas="b-vpxdec">vpxdec</primary>
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| 190 | </indexterm>
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| 191 | </listitem>
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| 192 | </varlistentry>
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| 193 |
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| 194 | <varlistentry id="vpxenc">
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| 195 | <term><command>vpxenc</command></term>
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| 196 | <listitem>
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[2eeb8695] | 197 | <para>
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[4c24eb0a] | 198 | is the WebM project VP8 and VP9 encoder
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[2eeb8695] | 199 | </para>
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[1fb813d] | 200 | <indexterm zone="libvpx vpxenc">
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| 201 | <primary sortas="b-vpxenc">vpxenc</primary>
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| 202 | </indexterm>
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| 203 | </listitem>
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| 204 | </varlistentry>
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| 205 |
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| 206 | <varlistentry id="libvpx-lib">
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[4c24eb0a] | 207 | <term><filename class="libraryfile">libvpx.so</filename></term>
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[1fb813d] | 208 | <listitem>
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[2eeb8695] | 209 | <para>
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[4c24eb0a] | 210 | provides functions to use the VP8 and VP9 video codecs
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[2eeb8695] | 211 | </para>
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[1fb813d] | 212 | <indexterm zone="libvpx libvpx-lib">
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[e114b7b9] | 213 | <primary sortas="c-libvpx">libvpx.so</primary>
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[1fb813d] | 214 | </indexterm>
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| 215 | </listitem>
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| 216 | </varlistentry>
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| 217 |
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| 218 | </variablelist>
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| 219 |
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| 220 | </sect2>
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| 221 |
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| 222 | </sect1>
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