mirror of
https://github.com/Zeckmathederg/glfs.git
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0397848592
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@22410 af4574ff-66df-0310-9fd7-8a98e5e911e0
274 lines
8.2 KiB
XML
274 lines
8.2 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 alsa-lib-download-http "&alsa-download-http;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
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<!ENTITY alsa-lib-download-ftp "&alsa-download-ftp;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
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<!ENTITY alsa-lib-md5sum "82ddd3698469beec147e4f4a67134ea0">
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<!ENTITY alsa-lib-size "981 KB">
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<!ENTITY alsa-lib-buildsize "35 MB (with tests)">
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<!ENTITY alsa-lib-time "0.3 SBU (with tests)">
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]>
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<sect1 id="alsa-lib" xreflabel="alsa-lib-&alsa-lib-version;">
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<?dbhtml filename="alsa-lib.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>alsa-lib-&alsa-lib-version;</title>
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<indexterm zone="alsa-lib">
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<primary sortas="a-alsa-lib">alsa-lib</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to ALSA Library</title>
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<para>
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The <application>ALSA Library</application> package contains
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the ALSA library used by programs (including <application>ALSA
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Utilities</application>) requiring access to the ALSA sound
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interface.
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</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>
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Download (HTTP): <ulink url="&alsa-lib-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&alsa-lib-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &alsa-lib-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &alsa-lib-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &alsa-lib-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &alsa-lib-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">ALSA Library Dependencies</bridgehead>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="doxygen"/> and
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<xref linkend="python2"/>
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</para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/alsa-lib"/>
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</para>
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</sect2>
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<sect2 role="kernel" id="alsa-lib-kernel">
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<title>Kernel Configuration</title>
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<para>
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If needed, enable the following options in the kernel
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configuration and recompile the kernel:
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</para>
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<screen><literal>Device Drivers --->
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<*/m> Sound card support ---> [CONFIG_SOUND]
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<*/m> Advanced Linux Sound Architecture ---> [CONFIG_SND]
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Select settings and drivers appropriate for your hardware.</literal></screen>
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<para>
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In the Device Drivers ⇒ Sound card support ⇒ Advanced Linux
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Sound Architecture section of the kernel configuration, select the settings
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and drivers appropriate for your hardware. Ensure that the deprecated Device
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Drivers ⇒ Sound card support ⇒ Open Sound System is
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<emphasis>not</emphasis> selected. If necessary, recompile and install your
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new kernel.
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</para>
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<indexterm zone="alsa-lib alsa-lib-kernel">
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<primary sortas="d-ALSA">ALSA</primary>
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</indexterm>
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</sect2>
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<sect2 role="installation">
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<title>Installation of ALSA Library</title>
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<para>
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Install <application>ALSA Library</application> by
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running the following commands:
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</para>
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<screen><userinput>./configure &&
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make</userinput></screen>
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<para>
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If you have <application>Doxygen</application> installed and you wish to
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build the library API documentation, run the following
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commands from the top-level directory of the source tree:
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</para>
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<screen remap="doc"><userinput>make doc</userinput></screen>
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<!-- The test suite needs libasound.so now, otherwise both the config and
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midi_event tests will fail.
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<para>
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To test the results, issue: <command>make check</command>.
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</para>
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-->
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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<para>
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To install the API documentation, run the following command as
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the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"
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remap="doc"><userinput>install -v -d -m755 /usr/share/doc/alsa-lib-&alsa-lib-version;/html/search &&
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install -v -m644 doc/doxygen/html/*.* \
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/usr/share/doc/alsa-lib-&alsa-lib-version;/html &&
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install -v -m644 doc/doxygen/html/search/* \
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/usr/share/doc/alsa-lib-&alsa-lib-version;/html/search</userinput></screen>
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<para>
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The test suite requires the alsa-lib package to be installed to
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link against some libraries. Now that alsa-lib is installed, if you wish
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to run the tests, issue: <command>make check</command>.
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</para>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring ALSA Library</title>
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<sect3 id="alsa-lib-config">
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<title>Config Files</title>
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<para>
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<filename>~/.asoundrc</filename> and
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<filename>/etc/asound.conf</filename>
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</para>
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<indexterm zone="alsa-lib alsa-lib-config">
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<primary sortas="e-AA.asoundrc">~/.asoundrc</primary>
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</indexterm>
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<indexterm zone="alsa-lib alsa-lib-config">
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<primary sortas="e-etc-asound.conf">/etc/asound.conf</primary>
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</indexterm>
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</sect3>
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<sect3>
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<title>Configuration Information</title>
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<para>
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The default <filename>alsa.conf</filename> is adequate for most
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installations. For extra functionality and/or advanced control of your
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sound device, you may need to create additional configuration files.
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For information on the available configuration parameters, visit
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<ulink url="http://www.alsa-project.org/main/index.php/Asoundrc"/>.
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</para>
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</sect3>
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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 Library</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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aserver
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</seg>
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<seg>
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libasound.so and
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libatopology.so
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<!-- and four others under /usr/lib/alsa-lib/smixer -->
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</seg>
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<seg>
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/usr/include/alsa,
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/usr/lib/alsa-lib,
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/usr/share/alsa and
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/usr/share/doc/alsa-lib-&alsa-lib-version;
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</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="aserver">
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<term><command>aserver</command></term>
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<listitem>
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<para>
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is the ALSA server.
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</para>
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<indexterm zone="alsa-lib aserver">
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<primary sortas="b-aserver">aserver</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libasound">
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<term><filename class="libraryfile">libasound.so</filename></term>
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<listitem>
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<para>
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contains the ALSA API functions.
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</para>
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<indexterm zone="alsa-lib libasound">
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<primary sortas="c-libasound">libasound.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libatopology">
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<term><filename class="libraryfile">libatopology.so</filename></term>
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<listitem>
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<para>
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contains API functions for the ALSA topologies.
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</para>
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<indexterm zone="alsa-lib libatopology">
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<primary sortas="c-libatopology">libatopology.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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