[7ca0e36] | 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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[8dfc5c3] | 7 | <!ENTITY libjpeg-download-http "&sourceforge-dl;/libjpeg-turbo/libjpeg-turbo-&libjpeg-turbo-version;.tar.gz">
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[7ca0e36] | 8 | <!ENTITY libjpeg-download-ftp " ">
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[dac8a115] | 9 | <!ENTITY libjpeg-md5sum "85244dedeaf06f636a9e7ddea6d236d8">
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[f3e509d] | 10 | <!ENTITY libjpeg-size "2.2 MB">
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[dac8a115] | 11 | <!ENTITY libjpeg-buildsize "19 MB (add 16MB for tests)">
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| 12 | <!ENTITY libjpeg-time "0.1 SBU (using parallelism=4; add 0.2 SBU for tests)">
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[7ca0e36] | 13 | ]>
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| 14 |
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| 15 | <sect1 id="libjpeg" xreflabel="libjpeg-turbo-&libjpeg-turbo-version;">
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| 16 | <?dbhtml filename="libjpeg.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <date>$Date$</date>
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| 20 | </sect1info>
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| 21 |
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| 22 | <title>libjpeg-turbo-&libjpeg-turbo-version;</title>
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| 23 |
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| 24 | <indexterm zone="libjpeg">
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| 25 | <primary sortas="a-libjpeg-turbo">libjpeg-turbo</primary>
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| 26 | </indexterm>
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| 27 |
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| 28 | <sect2 role="package">
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| 29 | <title>Introduction to libjpeg-turbo</title>
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| 30 |
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| 31 | <para>
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| 32 | <application>libjpeg-turbo</application> is a fork of the original
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| 33 | IJG <application>libjpeg</application> which uses SIMD to accelerate
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| 34 | baseline JPEG compression and decompression.
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| 35 | <application>libjpeg</application> is a library that implements JPEG
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| 36 | image encoding, decoding and transcoding.
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| 37 | </para>
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| 38 |
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[519aed4] | 39 | &lfs111_checked;
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[7ca0e36] | 40 |
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| 41 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 42 | <itemizedlist spacing="compact">
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| 43 | <listitem>
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| 44 | <para>
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| 45 | Download (HTTP): <ulink url="&libjpeg-download-http;"/>
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| 46 | </para>
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| 47 | </listitem>
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| 48 | <listitem>
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| 49 | <para>
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| 50 | Download (FTP): <ulink url="&libjpeg-download-ftp;"/>
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| 51 | </para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>
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| 55 | Download MD5 sum: &libjpeg-md5sum;
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| 56 | </para>
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| 57 | </listitem>
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| 58 | <listitem>
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| 59 | <para>
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| 60 | Download size: &libjpeg-size;
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| 61 | </para>
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| 62 | </listitem>
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| 63 | <listitem>
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| 64 | <para>
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| 65 | Estimated disk space required: &libjpeg-buildsize;
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| 66 | </para>
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| 67 | </listitem>
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| 68 | <listitem>
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| 69 | <para>
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| 70 | Estimated build time: &libjpeg-time;
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| 71 | </para>
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| 72 | </listitem>
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| 73 | </itemizedlist>
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| 74 |
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[e389130] | 75 | <bridgehead renderas="sect3">libjpeg-turbo Dependencies</bridgehead>
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| 76 |
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| 77 | <bridgehead renderas="sect4">Required</bridgehead>
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| 78 | <para role="required">
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[7788630d] | 79 | <xref linkend="cmake"/> and
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[8558044] | 80 | <xref linkend="nasm"/> or
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[7788630d] | 81 | <xref linkend="yasm"/>
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[e389130] | 82 | </para>
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| 83 |
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[7ca0e36] | 84 | <para condition="html" role="usernotes">User Notes:
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| 85 | <ulink url="&blfs-wiki;/libjpeg-turbo"/>
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| 86 | </para>
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| 87 | </sect2>
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| 88 |
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| 89 | <sect2 role="installation">
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| 90 | <title>Installation of libjpeg-turbo</title>
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| 91 |
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| 92 | <para>
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| 93 | Install <application>libjpeg-turbo</application> by running the
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| 94 | following commands:
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| 95 | </para>
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| 96 |
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[f3a6aaca] | 97 | <screen><userinput>mkdir build &&
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[97828bc] | 98 | cd build &&
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| 99 |
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| 100 | cmake -DCMAKE_INSTALL_PREFIX=/usr \
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| 101 | -DCMAKE_BUILD_TYPE=RELEASE \
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| 102 | -DENABLE_STATIC=FALSE \
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[3155946] | 103 | -DCMAKE_INSTALL_DOCDIR=/usr/share/doc/libjpeg-turbo-&libjpeg-turbo-version; \
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[97828bc] | 104 | -DCMAKE_INSTALL_DEFAULT_LIBDIR=lib \
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| 105 | .. &&
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[7ca0e36] | 106 | make</userinput></screen>
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| 107 |
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| 108 | <para>
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| 109 | To test the results, issue: <command>make test</command>.
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| 110 | </para>
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[ed7ed607] | 111 | <!--
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[637f310] | 112 | <note><para>
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| 113 | If installing <application>libjpeg-turbo</application> over an older jpeg
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| 114 | installation, not all library symbolic links are updated properly. To fix
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| 115 | this before installation, run the following as the <systemitem
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| 116 | class="username">root</systemitem> user:</para>
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| 117 |
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| 118 | <screen role="root"><userinput>rm -f /usr/lib/libjpeg.so*</userinput></screen>
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| 119 |
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| 120 | </note>
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[ed7ed607] | 121 | -->
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[7ca0e36] | 122 | <para>
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| 123 | Now, as the <systemitem class="username">root</systemitem> user:
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| 124 | </para>
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| 125 |
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[2203185] | 126 | <screen role="root"><userinput>make install</userinput></screen>
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[7ca0e36] | 127 |
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| 128 | </sect2>
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[abf53e1] | 129 |
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[7ca0e36] | 130 | <sect2 role="commands">
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| 131 | <title>Command Explanations</title>
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| 132 |
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[f2710d28] | 133 | <para>
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[aa41434] | 134 | <option>-DWITH_JPEG8=ON</option>: This switch enables compatibility
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[eecab611] | 135 | with <application>libjpeg</application> version 8.
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[f2710d28] | 136 | </para>
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[abf53e1] | 137 | </sect2>
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| 138 |
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[7ca0e36] | 139 | <sect2 role="content">
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| 140 | <title>Contents</title>
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| 141 |
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| 142 | <segmentedlist>
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| 143 | <segtitle>Installed Programs</segtitle>
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| 144 | <segtitle>Installed Libraries</segtitle>
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| 145 | <segtitle>Installed Directories</segtitle>
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| 146 |
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| 147 | <seglistitem>
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| 148 | <seg>
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[eecab611] | 149 | cjpeg, djpeg, jpegtran, rdjpgcom, tjbench, and wrjpgcom
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[7ca0e36] | 150 | </seg>
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| 151 | <seg>
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| 152 | libjpeg.so and libturbojpeg.so
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| 153 | </seg>
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| 154 | <seg>
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| 155 | /usr/share/doc/libjpeg-turbo-&libjpeg-turbo-version;
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| 156 | </seg>
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| 157 | </seglistitem>
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| 158 | </segmentedlist>
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| 159 |
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| 160 | <variablelist>
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| 161 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 162 | <?dbfo list-presentation="list"?>
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| 163 | <?dbhtml list-presentation="table"?>
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| 164 |
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| 165 | <varlistentry id="cjpeg">
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| 166 | <term><command>cjpeg</command></term>
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| 167 | <listitem>
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[09f0998] | 168 | <para>
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| 169 | compresses image files to produce a JPEG/JFIF file on the
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| 170 | standard output. Currently supported input file formats are: PPM
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| 171 | (PBMPLUS color format), PGM (PBMPLUS gray-scale format),
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[4c24eb0a] | 172 | BMP, and Targa
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[09f0998] | 173 | </para>
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[7ca0e36] | 174 | <indexterm zone="libjpeg cjpeg">
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| 175 | <primary sortas="b-cjpeg">cjpeg</primary>
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| 176 | </indexterm>
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| 177 | </listitem>
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| 178 | </varlistentry>
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| 179 |
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| 180 | <varlistentry id="djpeg">
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| 181 | <term><command>djpeg</command></term>
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| 182 | <listitem>
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[09f0998] | 183 | <para>
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| 184 | decompresses image files from JPEG/JFIF format to either
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| 185 | PPM (PBMPLUS color format), PGM (PBMPLUS gray-scale format),
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[4c24eb0a] | 186 | BMP, or Targa format
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[09f0998] | 187 | </para>
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[7ca0e36] | 188 | <indexterm zone="libjpeg djpeg">
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| 189 | <primary sortas="b-djpeg">djpeg</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="jpegtran">
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| 195 | <term><command>jpegtran</command></term>
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| 196 | <listitem>
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[09f0998] | 197 | <para>
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[4c24eb0a] | 198 | is used for lossless transformation of JPEG files
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[09f0998] | 199 | </para>
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[7ca0e36] | 200 | <indexterm zone="libjpeg jpegtran">
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| 201 | <primary sortas="b-jpegtran">jpegtran</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="rdjpgcom">
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| 207 | <term><command>rdjpgcom</command></term>
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| 208 | <listitem>
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[09f0998] | 209 | <para>
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[4c24eb0a] | 210 | displays text comments from within a JPEG file
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[09f0998] | 211 | </para>
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[7ca0e36] | 212 | <indexterm zone="libjpeg rdjpgcom">
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| 213 | <primary sortas="b-rdjpgcom">rdjpgcom</primary>
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| 214 | </indexterm>
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| 215 | </listitem>
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| 216 | </varlistentry>
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| 217 |
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[eecab611] | 218 | <varlistentry id="tjbench">
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| 219 | <term><command>tjbench</command></term>
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| 220 | <listitem>
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[09f0998] | 221 | <para>
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[4c24eb0a] | 222 | is used to benchmark the performance of libjpeg-turbo
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[09f0998] | 223 | </para>
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[eecab611] | 224 | <indexterm zone="libjpeg tjbench">
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| 225 | <primary sortas="b-tjbench">tjbench</primary>
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| 226 | </indexterm>
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| 227 | </listitem>
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| 228 | </varlistentry>
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| 229 |
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[7ca0e36] | 230 | <varlistentry id="wrjpgcom">
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| 231 | <term><command>wrjpgcom</command></term>
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| 232 | <listitem>
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[09f0998] | 233 | <para>
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[4c24eb0a] | 234 | inserts text comments into a JPEG file
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[09f0998] | 235 | </para>
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[7ca0e36] | 236 | <indexterm zone="libjpeg wrjpgcom">
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| 237 | <primary sortas="b-wrjpgcom">wrjpgcom</primary>
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| 238 | </indexterm>
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| 239 | </listitem>
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| 240 | </varlistentry>
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| 241 |
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| 242 | <varlistentry id="libjpeg-lib">
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| 243 | <term><filename class="libraryfile">libjpeg.so</filename></term>
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| 244 | <listitem>
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| 245 | <para>
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[4c24eb0a] | 246 | contains functions used for reading and writing JPEG images
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[09f0998] | 247 | </para>
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[7ca0e36] | 248 | <indexterm zone="libjpeg libjpeg-lib">
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| 249 | <primary sortas="c-libjpeg">libjpeg.so</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | </variablelist>
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| 255 |
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| 256 | </sect2>
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| 257 |
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| 258 | </sect1>
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