source: general/graphlib/libwebp.xml@ 742cddb5

10.0 10.1 11.0 ken/refactor-virt lazarus qt5new trunk xry111/git-date xry111/git-date-for-trunk xry111/git-date-test
Last change on this file since 742cddb5 was 742cddb5, checked in by Thomas Trepl <thomas@…>, 14 months ago

Tag some audio and graphic pkgs, falkon, nano

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@23576 af4574ff-66df-0310-9fd7-8a98e5e911e0

  • Property mode set to 100644
File size: 6.7 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
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 libwebp-download-http "http://downloads.webmproject.org/releases/webp/libwebp-&libwebp-version;.tar.gz">
8 <!ENTITY libwebp-download-ftp " ">
9 <!ENTITY libwebp-md5sum "7e047f2cbaf584dff7a8a7e0f8572f18">
10 <!ENTITY libwebp-size "3.8 MB">
11 <!ENTITY libwebp-buildsize "45 MB">
12 <!ENTITY libwebp-time "0.3 SBU">
13]>
14
15<sect1 id="libwebp" xreflabel="libwebp-&libwebp-version;">
16 <?dbhtml filename="libwebp.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>libwebp-&libwebp-version;</title>
24
25 <indexterm zone="libwebp">
26 <primary sortas="a-libwebp">libwebp</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to libwebp</title>
31
32 <para>
33 The <application>libwebp</application> package contains a library
34 and support programs to encode and decode images in WebP format.
35 </para>
36
37 &lfs10_checked;
38
39 <bridgehead renderas="sect3">Package Information</bridgehead>
40 <itemizedlist spacing="compact">
41 <listitem>
42 <para>
43 Download (HTTP): <ulink url="&libwebp-download-http;"/>
44 </para>
45 </listitem>
46 <listitem>
47 <para>
48 Download (FTP): <ulink url="&libwebp-download-ftp;"/>
49 </para>
50 </listitem>
51 <listitem>
52 <para>
53 Download MD5 sum: &libwebp-md5sum;
54 </para>
55 </listitem>
56 <listitem>
57 <para>
58 Download size: &libwebp-size;
59 </para>
60 </listitem>
61 <listitem>
62 <para>
63 Estimated disk space required: &libwebp-buildsize;
64 </para>
65 </listitem>
66 <listitem>
67 <para>
68 Estimated build time: &libwebp-time;
69 </para>
70 </listitem>
71 </itemizedlist>
72
73 <bridgehead renderas="sect3">libwebp Dependencies</bridgehead>
74
75 <bridgehead renderas="sect4">Recommended</bridgehead>
76 <para role="recommended">
77 <xref linkend="libjpeg"/>,
78 <xref linkend="libpng"/>,
79 <xref linkend="libtiff"/>, and
80 <xref linkend="sdl"/> (for improved 3D Acceleration)
81 </para>
82
83 <bridgehead renderas="sect4">Optional</bridgehead>
84 <para role="optional">
85 <xref linkend="freeglut"/> and
86 <xref linkend="giflib"/>
87 </para>
88
89 <para condition="html" role="usernotes">
90 User Notes: <ulink url="&blfs-wiki;/libwebp"/>
91 </para>
92 </sect2>
93
94 <sect2 role="installation">
95 <title>Installation of libwebp</title>
96
97 <para>
98 Install <application>libwebp</application> by running the following
99 commands:
100 </para>
101
102<screen><userinput>./configure --prefix=/usr \
103 --enable-libwebpmux \
104 --enable-libwebpdemux \
105 --enable-libwebpdecoder \
106 --enable-libwebpextras \
107 --enable-swap-16bit-csp \
108 --disable-static &amp;&amp;
109make</userinput></screen>
110
111 <para>
112 This package does not come with a test suite.
113 </para>
114
115 <para>
116 Now, as the <systemitem class="username">root</systemitem> user:
117 </para>
118
119<screen role="root"><userinput>make install</userinput></screen>
120
121 </sect2>
122
123 <sect2 role="commands">
124 <title>Command Explanations</title>
125
126
127 <para>
128 <parameter>--enable-swap-16bit-csp</parameter>: This switch enables byte
129 swap for 16 bit colorspaces.
130 </para>
131
132 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
133 href="../../xincludes/static-libraries.xml"/>
134
135 </sect2>
136
137 <sect2 role="content">
138 <title>Contents</title>
139
140 <segmentedlist>
141 <segtitle>Installed Programs</segtitle>
142 <segtitle>Installed Library</segtitle>
143 <segtitle>Installed Directory</segtitle>
144
145 <seglistitem>
146 <seg>
147 cwebp, dwebp, gif2webp, vwebp, and webpmux
148 </seg>
149 <seg>
150 libwebpdecoder.so, libwebpdemux.so, libwebpextras.so,
151 libwebpmux.so, and libwebp.so
152 </seg>
153 <seg>
154 /usr/include/webp
155 </seg>
156 </seglistitem>
157 </segmentedlist>
158
159 <variablelist>
160 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
161 <?dbfo list-presentation="list"?>
162 <?dbhtml list-presentation="table"?>
163
164 <varlistentry id="cwebp">
165 <term><command>cwebp</command></term>
166 <listitem>
167 <para>
168 compresses an image using the WebP format.
169 </para>
170 <indexterm zone="libwebp cwebp">
171 <primary sortas="b-cwebp">cwebp</primary>
172 </indexterm>
173 </listitem>
174 </varlistentry>
175
176 <varlistentry id="dwebp">
177 <term><command>dwebp</command></term>
178 <listitem>
179 <para>
180 decompresses WebP files into PNG, PAM, PPM or PGM images.
181 </para>
182 <indexterm zone="libwebp dwebp">
183 <primary sortas="b-dwebp">dwebp</primary>
184 </indexterm>
185 </listitem>
186 </varlistentry>
187
188 <varlistentry id="gif2webp">
189 <term><command>gif2webp</command></term>
190 <listitem>
191 <para>
192 converts a GIF image to a WebP image.
193 </para>
194 <indexterm zone="libwebp gif2webp">
195 <primary sortas="b-gif2webp">gif2webp</primary>
196 </indexterm>
197 </listitem>
198 </varlistentry>
199
200 <varlistentry id="vwebp">
201 <term><command>vwebp</command></term>
202 <listitem>
203 <para>
204 decompress a WebP file and display it in a window.
205 </para>
206 <indexterm zone="libwebp vwebp">
207 <primary sortas="b-vwebp">vwebp</primary>
208 </indexterm>
209 </listitem>
210 </varlistentry>
211
212 <varlistentry id="webpmux">
213 <term><command>webpmux</command></term>
214 <listitem>
215 <para>
216 creates animated WebP files from non-animated WebP images, extracts
217 frames from animated WebP images, and manages XMP/EXIF metadata and
218 ICC profile.
219 </para>
220 <indexterm zone="libwebp webpmux">
221 <primary sortas="b-webpmux">webpmux</primary>
222 </indexterm>
223 </listitem>
224 </varlistentry>
225
226 <varlistentry id="libwebp-lib">
227 <term><filename class="libraryfile">libwebp.so</filename></term>
228 <listitem>
229 <para>
230 contains the API functions for WebP encoding and decoding.
231 </para>
232 <indexterm zone="libwebp libwebp-lib">
233 <primary sortas="c-libwebp">libwebp.so</primary>
234 </indexterm>
235 </listitem>
236 </varlistentry>
237
238 </variablelist>
239
240 </sect2>
241
242</sect1>
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