mirror of
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a0f03b0675
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@2591 af4574ff-66df-0310-9fd7-8a98e5e911e0
163 lines
6.2 KiB
XML
163 lines
6.2 KiB
XML
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY alsa-utils-download-http "&alsa-download-http;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
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<!ENTITY alsa-utils-download-ftp "&alsa-download-ftp;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
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<!ENTITY alsa-utils-size "140 KB">
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<!ENTITY alsa-utils-buildsize "3.2 MB">
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<!ENTITY alsa-utils-time "0.08 SBU">
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]>
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<sect1 id="alsa-utils" xreflabel="ALSA Utilities-&alsa-utils-version;">
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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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<?dbhtml filename="alsa-utils.html"?>
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<title>ALSA Utilities-&alsa-utils-version;</title>
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<sect2>
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<title>Introduction to <application><acronym>ALSA</acronym> Utilities</application></title>
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<para>The <application><acronym>ALSA</acronym> Utilities</application> package
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contains various utilities which are useful for controlling your sound card.
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</para>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para></listitem>
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<listitem><para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para></listitem>
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<listitem><para>Download size: &alsa-utils-size;</para></listitem>
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<listitem><para>Estimated Disk space required: &alsa-utils-buildsize;</para></listitem>
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<listitem><para>Estimated build time: &alsa-utils-time;</para></listitem></itemizedlist>
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</sect3>
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<!--
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<sect3><title>Additional downloads</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Required Patch: <ulink
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url="&patch-root;/alsa-utils-&alsa-utils-version;-arecord-1.patch"/></para></listitem>
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</itemizedlist></sect3>
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-->
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<sect3><title><application><acronym>ALSA</acronym> Utilities</application> dependencies</title>
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<sect4><title>Required</title>
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<para><xref linkend="alsa-lib"/>
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</para></sect4>
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</sect3>
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</sect2>
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<sect2>
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<title>Installation of <application><acronym>ALSA</acronym> Utilities</application></title>
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<para>Install <application><acronym>ALSA</acronym> Utilities</application> by running the following commands:</para>
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<!--
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<screen><userinput><command>patch -Np1 -i ../alsa-utils-&alsa-utils-version;-arecord-1.patch &&
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-->
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<screen><userinput><command>./configure &&
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make &&
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make install</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Configuring <application><acronym>ALSA</acronym> Utilities</application></title>
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<sect3><title>Config files</title>
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<para><filename>/etc/asound.state</filename></para>
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</sect3>
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<sect3><title>Configuration Information</title>
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<para>Probably the easiest way to store mixer levels is to set and retrieve
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them using a bootscript. It is possible to do this with a
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<userinput>post-install</userinput> line in
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<filename>/etc/modules.conf</filename> but this is left as an exercise for
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those readers who wish to do this.</para>
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<para>The <application><acronym>ALSA</acronym> Driver</application> package
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installs a script as <filename>/etc/rc.d/init.d/alsasound</filename>. While it
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is possible to use this script, it contains a lot of extraneous detail which
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isn't needed on an <acronym>LFS</acronym> system. Instead, install the init
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script <filename>/etc/rc.d/init.d/alsa</filename> included in the
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<xref linkend="intro-important-bootscripts"/> package.</para>
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<screen><userinput><command>make install-alsa</command></userinput></screen>
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<para>Note that all channels of your sound card are muted by default. You can
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use the <command>alsamixer</command> program from
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<application><acronym>ALSA</acronym> Utilities</application> (or any other
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<acronym>OSS</acronym> mixer) to change this.</para>
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<para>The first time the above script is run, it will complain that
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there is no state in <filename>/etc/asound.state</filename>. You can
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prevent this by running the following commands after installing
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<application><acronym>ALSA</acronym> Utilities</application>:</para>
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<screen><userinput><command>touch /etc/asound.state &&
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alsactl store</command></userinput></screen>
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<para>A final note is that the lines loading <filename>sfxload</filename>
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are commented out. They are there as an example of other things you may
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wish to do in the startup script. <filename>sfxload</filename> is a
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separate package of interest to SoundBlaster AWE and Live!
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users. It is designed for loading "sound-fonts" (which are used for
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<acronym>MIDI</acronym> output). You may wish to delete these lines and add
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your own or, if you have the relevant sound card, install <filename>sfxload
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</filename> and uncomment them.</para>
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</sect3>
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</sect2>
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<sect2>
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<title>Contents</title>
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<para>The <application><acronym>ALSA</acronym> Utilities</application> package
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contains <command>aconnect</command>,
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<command>alsactl</command>, <command>alsamixer</command>,
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<command>amixer</command>, <command>aplay</command>,
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<command>arecord</command> and <command>aseqnet</command>.</para>
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</sect2>
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<sect2><title>Description</title>
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<sect3><title>aconnect</title>
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<para><command>aconnect</command> is a utility for connecting and disconnecting two existing ports in the <acronym>ALSA</acronym> sequencer system.</para>
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</sect3>
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<sect3><title>alsactl</title>
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<para><command>alsactl</command> is used to control advanced settings
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for the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
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<sect3><title>alsamixer</title>
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<para><command>alsamixer</command> is an ncurses-based mixer program for
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use with the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
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<sect3><title>amixer</title>
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<para><command>amixer</command> allows command-line control of the
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mixers for the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
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<sect3><title>aplay</title>
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<para><command>aplay</command> is a command-line soundfile player for
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the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
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<sect3><title>arecord</title>
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<para><command>arecord</command> is a command-line soundfile recorder
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for the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
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<sect3><title>aseqnet</title>
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<para><command>aseqnet</command> is an <acronym>ALSA</acronym> sequencer
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client which sends and receives event packets over a network.</para></sect3>
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</sect2>
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</sect1>
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