glfs/multimedia/libdriv/alsa-lib.xml
Manuel Canales Esparcia 57e86a9321 Tagged alsa-lib.xml
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@4071 af4574ff-66df-0310-9fd7-8a98e5e911e0
2005-05-09 18:17:49 +00:00

211 lines
7.2 KiB
XML

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../../general.ent">
%general-entities;
<!ENTITY alsa-lib-download-http "&alsa-download-http;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
<!ENTITY alsa-lib-download-ftp "&alsa-download-ftp;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
<!ENTITY alsa-lib-md5sum "c677299ed39d069c9a4b6a999e34ffe7">
<!ENTITY alsa-lib-size "682 KB">
<!ENTITY alsa-lib-buildsize "34.2 MB (additional 11.4 MB to build and install docs)">
<!ENTITY alsa-lib-time "0.56 SBU">
]>
<sect1 id="alsa-lib" xreflabel="ALSA Library-&alsa-lib-version;">
<?dbhtml filename="alsa-lib.html"?>
<sect1info>
<othername>$LastChangedBy$</othername>
<date>$Date$</date>
</sect1info>
<title>ALSA Library-&alsa-lib-version;</title>
<indexterm zone="alsa-lib">
<primary sortas="a-ALSA-Library">ALSA Library</primary>
</indexterm>
<sect2 role="package">
<title>Introduction to ALSA Library</title>
<para>The <application>ALSA Library</application> package contains
the ALSA library. This is used by programs (including <application>ALSA
Utilities</application>) requiring access to the ALSA sound interface.</para>
<bridgehead renderas="sect3">Package Information</bridgehead>
<itemizedlist spacing="compact">
<listitem>
<para>Download (HTTP): <ulink url="&alsa-lib-download-http;"/></para>
</listitem>
<listitem>
<para>Download (FTP): <ulink url="&alsa-lib-download-ftp;"/></para>
</listitem>
<listitem>
<para>Download MD5 sum: &alsa-lib-md5sum;</para>
</listitem>
<listitem>
<para>Download size: &alsa-lib-size;</para>
</listitem>
<listitem>
<para>Estimated disk space required: &alsa-lib-buildsize;</para>
</listitem>
<listitem>
<para>Estimated build time: &alsa-lib-time;</para>
</listitem>
</itemizedlist>
<bridgehead renderas="sect3">ALSA Library Dependencies</bridgehead>
<bridgehead renderas="sect4">Optional</bridgehead>
<para><ulink url="http://jackit.sourceforge.net/">JACK</ulink> and
<xref linkend="doxygen"/></para>
</sect2>
<sect2 role="kernel" id="alsa-lib-kernel">
<title>Kernel Configuration</title>
<para>In the <quote>Sound</quote> section of the kernel configuration, edit
<emphasis role="bold">Advanced Linux Sound Architecture</emphasis>
options to match your audio hardware and disable deprecated
<emphasis role="bold">Open Sound System</emphasis>.
Recompile and install your new kernel.</para>
<indexterm zone="alsa-lib alsa-lib-kernel">
<primary sortas="d-ALSA">ALSA</primary>
</indexterm>
</sect2>
<sect2 role="installation">
<title>Installation of ALSA Library</title>
<para>Install <application>ALSALibrary</application> by
running the following commands:</para>
<screen><userinput>./configure --enable-static &amp;&amp;
make</userinput></screen>
<para>To test the results, issue: <command>make check</command>.</para>
<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
<screen role="root"><userinput>make install</userinput></screen>
<para>If you have <application>JACK</application> installed
and you wish to build the <application>JACK</application>
PCM plugin library, run the following commands:</para>
<screen><userinput>cd src/pcm/ext &amp;&amp;
make jack</userinput></screen>
<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
<screen role="root"><userinput>make install-jack</userinput></screen>
<para>Ensure the unprivileged user's current working directory is the root of
the source tree:</para>
<screen><userinput>cd ../../..</userinput></screen>
<para>If you have <application>Doxygen</application> installed and you wish to
build the library API documentation, run the following
commands from the top-level directory of the source tree:</para>
<screen><userinput>make doc</userinput></screen>
<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
<screen role="root"><userinput>install -v -d -m755 /usr/share/alsa/doc/html &amp;&amp;
install -v -m644 doc/doxygen/html/* /usr/share/alsa/doc/html</userinput></screen>
</sect2>
<sect2 role="commands">
<title>Command Explanations</title>
<para><parameter>--enable-static</parameter>: This switch is used to enable
building the static library because some programs link against it.</para>
</sect2>
<sect2 role="configuration">
<title>Configuring ALSA Library</title>
<sect3 id="alsa-lib-config">
<title>Config Files</title>
<para><filename>~/.asoundrc</filename>,
<filename>/etc/asound.conf</filename>,
<filename>/usr/share/alsa/alsa.conf</filename>, and
<filename>/usr/share/alsa/{cards,pcm}/*.conf</filename></para>
<indexterm zone="alsa-lib alsa-lib-config">
<primary sortas="e-AA.asoundrc">~/.asoundrc</primary>
</indexterm>
<indexterm zone="alsa-lib alsa-lib-config">
<primary sortas="e-etc-asound.conf">/etc/asound.conf</primary>
</indexterm>
<indexterm zone="alsa-lib alsa-lib-config">
<primary sortas="e-usr-share-alsa-alsa.conf">/usr/share/alsa/alsa.conf</primary>
</indexterm>
<indexterm zone="alsa-lib alsa-lib-config">
<primary sortas="e-usr-share-alsa-alsa1">.../alsa/{cards,pcm}/*.conf</primary>
</indexterm>
</sect3>
<sect3>
<title>Configuration Information</title>
<para>The default <filename>alsa.conf</filename> is adequate for most
installations. For extra functionality and/or advanced control of your sound
device, you may need to create additional configuration files. For
information on the available configuration parameters, including setup of the
<application>JACK</application> PCM plugin, visit <ulink
url="http://www.alsa-project.org/alsa-doc/doc-php/asoundrc.php"/>.</para>
</sect3>
</sect2>
<sect2 role="content">
<title>Contents</title>
<segmentedlist>
<segtitle>Installed Programs</segtitle>
<segtitle>Installed Libraries</segtitle>
<segtitle>Installed Directories</segtitle>
<seglistitem>
<seg>alsalisp and aserver</seg>
<seg>libasound.[so,a] and optionally, libasound_module_pcm_jack.[so,a]</seg>
<seg>/usr/include/alsa, /usr/lib/alsa-lib, and /usr/share/alsa</seg>
</seglistitem>
</segmentedlist>
<variablelist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry id="libasound">
<term><filename class='libraryfile'>libasound.[so,a]</filename></term>
<listitem>
<para>provides ALSA functions for application programs.</para>
<indexterm zone="alsa-lib libasound">
<primary sortas="c-libasound">libasound.[so,a]</primary>
</indexterm>
</listitem>
</varlistentry>
</variablelist>
</sect2>
</sect1>