mirror of
https://github.com/Zeckmathederg/glfs.git
synced 2025-01-24 23:32:12 +08:00
f67554b09a
dconf, speex, sane: change the second package information to
"Additional Downloads". Include unpack instructions
for the second package in all cases. Also remove
the requirement that the user be in group sane for
building (works without that)
faac, faad2: add remap="test" to tests
rox-filer, logrotate: make some configuration instruction nodump
gnome-menus: make the (almost deprecated) gsettings instruction nodump
ncftp: make second method nodump
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@22010 af4574ff-66df-0310-9fd7-8a98e5e911e0
206 lines
7.3 KiB
XML
206 lines
7.3 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY faac-download-http "&sourceforge-dl;/faac/faac-&faac-version;.tar.gz">
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<!ENTITY faac-download-ftp " ">
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<!ENTITY faac-md5sum "2b58d621fad8fda879f07b7cad8bfe10">
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<!ENTITY faac-size "476 KB">
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<!ENTITY faac-buildsize "3.2 MB">
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<!ENTITY faac-time "less than 0.1 SBU">
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]>
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<sect1 id="faac" xreflabel="FAAC-&faac-version;">
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<?dbhtml filename="faac.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>FAAC-&faac-version;</title>
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<indexterm zone="faac">
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<primary sortas="a-faac">faac</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to FAAC</title>
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<para><application>FAAC</application> is an encoder for a lossy sound
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compression scheme specified in MPEG-2 Part 7 and MPEG-4 Part 3 standards
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and known as Advanced Audio Coding (AAC). This encoder is useful for
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producing files that can be played back on iPod. Moreover, iPod does not
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understand other sound compression schemes in video files.</para>
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&lfs90_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&faac-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&faac-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &faac-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &faac-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &faac-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &faac-time;</para>
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</listitem>
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</itemizedlist>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/faac"/></para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of FAAC</title>
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<para>Install <application>FAAC</application> by running the
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following commands:</para>
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<screen><userinput>./configure --prefix=/usr --disable-static &&
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make</userinput></screen>
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<para>This package does not come with a test suite. However, basic
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functionality can be tested by encoding a sample WAV file (the sample
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file is installed by the <xref linkend="alsa-utils"/> package:</para>
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<screen remap="test"><userinput>./frontend/faac -o Front_Left.mp4 /usr/share/sounds/alsa/Front_Left.wav</userinput></screen>
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<para>Then, decode the result using the <command>faad</command> program
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from the <xref linkend="faad2"/> package and play back the decoded file
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(requires the <command>aplay</command> program from the
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<xref linkend="alsa-utils"/> package:</para>
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<screen remap="test"><userinput>faad Front_Left.mp4
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aplay Front_Left.wav</userinput></screen>
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<para><command>aplay</command> should identify the file as
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<quote>Signed 16 bit Little Endian, Rate 48000 Hz, Stereo</quote>, and you
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should hear the words <quote>front left</quote>.</para>
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<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>make install</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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href="../../xincludes/static-libraries.xml"/>
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<!-- 1.28: This is still broken, it causes a segfault. -->
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<!--
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<para><option>- -enable-drm</option>: This option is supposed to enable
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support for encoding files for
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<ulink url="http://www.drm.org/">Digital Radio Mondiale</ulink>, but
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actually breaks the base functionality of the package (e.g., the resulting
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<command>faac</command> program produces files that cannot be decoded
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by <xref linkend="faad2"/>, even if compiled with DRM support).
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Don't use it.</para>
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-->
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<!-- Since we say "Don't use it", let's not even list it. That would open up
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the possibility of a user seeing it and enabling it anyway. -->
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</sect2>
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<sect2>
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<title>Other AAC encoders</title>
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<para>The quality of <application>FAAC</application> is not up
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to par with the best AAC encoders currently available. Also, it only
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supports AAC and not High Efficiency AAC (also known as aacPlus), which
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provides better quality at low bitrates by means of using the
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<quote>spectral band replication</quote> technology. There are the
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following alternative programs for producing AAC and HE-AAC streams:</para>
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<itemizedlist>
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<listitem>
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<para><ulink url="http://www.nero.com/eng/nero-aac-codec.html">Nero AAC Codec</ulink>:
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available only in the binary form, the command-line AAC and HE-AAC encoders
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for Linux are in the same archive as the Windows application.</para>
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</listitem>
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<listitem>
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<para><ulink url="http://www.3gpp.org/ftp/Specs/html-info/26410.htm">3GPP
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Enhanced aacPlus general audio codec</ulink>:
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available in the source form, can encode only HE-AAC up to 48 kbps
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out of the box, but the maximum bitrate can be changed by editing
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the tuning table in the
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<filename>FloatFR_sbrenclib/src/sbr_main.c</filename> file.</para>
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</listitem>
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</itemizedlist>
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<para>Note, however, that iPod supports only Low Complexity AAC profile,
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which is the default in FAAC, but may not be the default in Nero AAC Encoder
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and is completely unavailable in the 3GPP encoder.</para>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Program</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>faac</seg>
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<seg>libfaac.so and libmp4v2.so</seg>
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<seg>None</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="faac-prog">
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<term><command>faac</command></term>
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<listitem>
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<para>is a command-line AAC encoder.</para>
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<indexterm zone="faac faac-prog">
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<primary sortas="b-faac">faac</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libfaac">
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<term><filename class='libraryfile'>libfaac.so</filename></term>
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<listitem>
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<para>contains functions for encoding AAC streams.</para>
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<indexterm zone="faac libfaac">
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<primary sortas="c-libfaac">libfaac.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libmp4v2">
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<term><filename class='libraryfile'>libmp4v2.so</filename></term>
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<listitem>
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<para>contains functions for creating and manipulating MP4 files.</para>
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<indexterm zone="faac libmp4v2">
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<primary sortas="c-libmp4v2">libmp4v2.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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