1 | <?xml version="1.0" encoding="UTF-8"?>
|
---|
2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
---|
3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
---|
4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
|
---|
5 | %general-entities;
|
---|
6 |
|
---|
7 | <!ENTITY libaom-download-http "https://storage.googleapis.com/aom-releases/libaom-&libaom-version;.tar.gz">
|
---|
8 | <!ENTITY libaom-download-ftp " ">
|
---|
9 | <!ENTITY libaom-md5sum "4a1a94acf8d2798f7eb31134ba5be98a">
|
---|
10 | <!ENTITY libaom-size "5.2 MB">
|
---|
11 | <!ENTITY libaom-buildsize "103 MB (add 1.0 GB for tests)">
|
---|
12 | <!ENTITY libaom-time "1.0 SBU (with parallelism=4, add 187 SBU for tests)">
|
---|
13 | ]>
|
---|
14 |
|
---|
15 | <!-- Tests not run for version 3.6.1. -->
|
---|
16 |
|
---|
17 | <sect1 id="libaom" xreflabel="libaom-&libaom-version;">
|
---|
18 | <?dbhtml filename="libaom.html"?>
|
---|
19 |
|
---|
20 | <title>libaom-&libaom-version;</title>
|
---|
21 |
|
---|
22 | <indexterm zone="libaom">
|
---|
23 | <primary sortas="a-libaom">libaom</primary>
|
---|
24 | </indexterm>
|
---|
25 |
|
---|
26 | <sect2 role="package">
|
---|
27 | <title>Introduction to libaom</title>
|
---|
28 |
|
---|
29 | <para>
|
---|
30 | The <application>libaom</application> package contains a reference
|
---|
31 | version of the Alliance for Open Media video codec. This codec is a
|
---|
32 | patent free alternative to H.265, and is starting to be used throughout
|
---|
33 | the internet.
|
---|
34 | </para>
|
---|
35 |
|
---|
36 | &lfs121_checked;
|
---|
37 |
|
---|
38 | <bridgehead renderas="sect3">Package Information</bridgehead>
|
---|
39 | <itemizedlist spacing="compact">
|
---|
40 | <listitem>
|
---|
41 | <para>
|
---|
42 | Download (HTTP): <ulink url="&libaom-download-http;"/>
|
---|
43 | </para>
|
---|
44 | </listitem>
|
---|
45 | <listitem>
|
---|
46 | <para>
|
---|
47 | Download (FTP): <ulink url="&libaom-download-ftp;"/>
|
---|
48 | </para>
|
---|
49 | </listitem>
|
---|
50 | <listitem>
|
---|
51 | <para>
|
---|
52 | Download MD5 sum: &libaom-md5sum;
|
---|
53 | </para>
|
---|
54 | </listitem>
|
---|
55 | <listitem>
|
---|
56 | <para>
|
---|
57 | Download size: &libaom-size;
|
---|
58 | </para>
|
---|
59 | </listitem>
|
---|
60 | <listitem>
|
---|
61 | <para>
|
---|
62 | Estimated disk space required: &libaom-buildsize;
|
---|
63 | </para>
|
---|
64 | </listitem>
|
---|
65 | <listitem>
|
---|
66 | <para>
|
---|
67 | Estimated build time: &libaom-time;
|
---|
68 | </para>
|
---|
69 | </listitem>
|
---|
70 | </itemizedlist>
|
---|
71 |
|
---|
72 | <bridgehead renderas="sect3">libaom Dependencies</bridgehead>
|
---|
73 |
|
---|
74 | <bridgehead renderas="sect4">Recommended</bridgehead>
|
---|
75 | <para role="recommended">
|
---|
76 | <xref linkend="yasm"/>
|
---|
77 | (or <xref role='nodep' linkend="nasm"/>)
|
---|
78 | </para>
|
---|
79 |
|
---|
80 | <bridgehead renderas="sect4">Optional</bridgehead>
|
---|
81 | <para role="optional">
|
---|
82 | <xref linkend="doxygen"/>
|
---|
83 | </para>
|
---|
84 |
|
---|
85 | &test-use-internet;
|
---|
86 |
|
---|
87 | </sect2>
|
---|
88 |
|
---|
89 | <sect2 role="installation">
|
---|
90 | <title>Installation of libaom</title>
|
---|
91 |
|
---|
92 | <para>
|
---|
93 | Install <application>libaom</application> by running the following
|
---|
94 | commands:
|
---|
95 | </para>
|
---|
96 |
|
---|
97 | <screen><userinput>mkdir aom-build &&
|
---|
98 | cd aom-build &&
|
---|
99 |
|
---|
100 | cmake -DCMAKE_INSTALL_PREFIX=/usr \
|
---|
101 | -DCMAKE_BUILD_TYPE=Release \
|
---|
102 | -DBUILD_SHARED_LIBS=1 \
|
---|
103 | -DENABLE_DOCS=no \
|
---|
104 | -G Ninja .. &&
|
---|
105 | ninja</userinput></screen>
|
---|
106 |
|
---|
107 | <para>
|
---|
108 | To test the results, issue: <command>ninja runtests</command>. Note that
|
---|
109 | the tests take an extremely long time to run.
|
---|
110 | </para>
|
---|
111 |
|
---|
112 | <para>
|
---|
113 | Now, as the <systemitem class="username">root</systemitem> user:
|
---|
114 | </para>
|
---|
115 |
|
---|
116 | <screen role="root"><userinput>ninja install &&
|
---|
117 | rm -v /usr/lib/libaom.a</userinput></screen>
|
---|
118 |
|
---|
119 | </sect2>
|
---|
120 |
|
---|
121 | <sect2 role="commands">
|
---|
122 | <title>Command Explanations</title>
|
---|
123 |
|
---|
124 | <para>
|
---|
125 | <parameter>-DBUILD_SHARED_LIBS=1</parameter>: This switch builds shared
|
---|
126 | versions of the libraries.
|
---|
127 | </para>
|
---|
128 |
|
---|
129 | <para>
|
---|
130 | <parameter>-DENABLE_DOCS=no</parameter>: This switch disables building
|
---|
131 | the documentation because it fails due to an incompatibility with the
|
---|
132 | latest version of <xref role="nodep" linkend="doxygen"/>.
|
---|
133 | </para>
|
---|
134 |
|
---|
135 | <para>
|
---|
136 | <option>-DENABLE_NASM=yes</option>: Use this switch if you have both
|
---|
137 | <xref linkend="yasm"/> and
|
---|
138 | <xref role="nodep" linkend="nasm"/> installed and wish to use
|
---|
139 | nasm instead of yasm.
|
---|
140 | </para>
|
---|
141 | </sect2>
|
---|
142 |
|
---|
143 | <sect2 role="content">
|
---|
144 | <title>Contents</title>
|
---|
145 |
|
---|
146 | <segmentedlist>
|
---|
147 | <segtitle>Installed Programs</segtitle>
|
---|
148 | <segtitle>Installed Libraries</segtitle>
|
---|
149 | <segtitle>Installed Directories</segtitle>
|
---|
150 |
|
---|
151 | <seglistitem>
|
---|
152 | <seg>
|
---|
153 | None
|
---|
154 | </seg>
|
---|
155 | <seg>
|
---|
156 | libaom.so
|
---|
157 | </seg>
|
---|
158 | <seg>
|
---|
159 | /usr/include/aom
|
---|
160 | </seg>
|
---|
161 | </seglistitem>
|
---|
162 | </segmentedlist>
|
---|
163 |
|
---|
164 | <variablelist>
|
---|
165 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
---|
166 | <?dbfo list-presentation="list"?>
|
---|
167 | <?dbhtml list-presentation="table"?>
|
---|
168 |
|
---|
169 | <varlistentry id="libaom-lib">
|
---|
170 | <term><filename class="libraryfile">libaom.so</filename></term>
|
---|
171 | <listitem>
|
---|
172 | <para>
|
---|
173 | contains functions that provide a reference implementation of the
|
---|
174 | AV1 codec
|
---|
175 | </para>
|
---|
176 | <indexterm zone="libaom libaom-lib">
|
---|
177 | <primary sortas="c-libaom">libaom.so</primary>
|
---|
178 | </indexterm>
|
---|
179 | </listitem>
|
---|
180 | </varlistentry>
|
---|
181 | </variablelist>
|
---|
182 | </sect2>
|
---|
183 | </sect1>
|
---|