source: multimedia/libdriv/alsa-utils.xml@ 43ef043b

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Last change on this file since 43ef043b was 43ef043b, checked in by DJ Lucas <dj@…>, 17 years ago

alsa 1.0.5

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@2327 af4574ff-66df-0310-9fd7-8a98e5e911e0

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File size: 6.1 KB
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1<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
2 "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
3 <!ENTITY % general-entities SYSTEM "../../general.ent">
4 %general-entities;
5
6 <!ENTITY alsa-utils-download-http "&alsa-download-http;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
7 <!ENTITY alsa-utils-download-ftp "&alsa-download-ftp;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
8 <!ENTITY alsa-utils-size "140 KB">
9 <!ENTITY alsa-utils-buildsize "3.2 MB">
10 <!ENTITY alsa-utils-time "0.08 SBU">
11]>
12
13<sect1 id="alsa-utils" xreflabel="ALSA Utilities-&alsa-utils-version;">
14<?dbhtml filename="alsa-utils.html"?>
15<title>ALSA Utilities-&alsa-utils-version;</title>
16
17<sect2>
18<title>Introduction to <application><acronym>ALSA</acronym> Utilities</application></title>
19
20<para>The <application><acronym>ALSA</acronym> Utilities</application> package
21contains various utilities which are useful for controlling your sound card.
22</para>
23
24<sect3><title>Package information</title>
25<itemizedlist spacing='compact'>
26<listitem><para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para></listitem>
27<listitem><para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para></listitem>
28<listitem><para>Download size: &alsa-utils-size;</para></listitem>
29<listitem><para>Estimated Disk space required: &alsa-utils-buildsize;</para></listitem>
30<listitem><para>Estimated build time: &alsa-utils-time;</para></listitem></itemizedlist>
31</sect3>
32
33<!--
34<sect3><title>Additional downloads</title>
35<itemizedlist spacing='compact'>
36<listitem><para>Required Patch: <ulink
37url="&patch-root;/alsa-utils-&alsa-utils-version;-arecord-1.patch"/></para></listitem>
38</itemizedlist></sect3>
39-->
40
41<sect3><title><application><acronym>ALSA</acronym> Utilities</application> dependencies</title>
42<sect4><title>Required</title>
43<para><xref linkend="alsa-lib"/>
44</para></sect4>
45</sect3>
46
47</sect2>
48
49<sect2>
50<title>Installation of <application><acronym>ALSA</acronym> Utilities</application></title>
51
52<para>Install <application><acronym>ALSA</acronym> Utilities</application> by running the following commands:</para>
53<!--
54<screen><userinput><command>patch -Np1 -i ../alsa-utils-&alsa-utils-version;-arecord-1.patch &amp;&amp;
55-->
56
57<screen><userinput><command>./configure &amp;&amp;
58make &amp;&amp;
59make install</command></userinput></screen>
60
61</sect2>
62
63<sect2>
64<title>Configuring <application><acronym>ALSA</acronym> Utilities</application></title>
65
66<sect3><title>Config files</title>
67
68<para><filename>/etc/asound.state</filename></para>
69
70</sect3>
71
72<sect3><title>Configuration Information</title>
73
74<para>Probably the easiest way to store mixer levels is to set and retrieve
75them using a bootscript. It is possible to do this with a
76<userinput>post-install</userinput> line in
77<filename>/etc/modules.conf</filename> but this is left as an exercise for
78those readers who wish to do this.</para>
79
80<para>The <application><acronym>ALSA</acronym> Driver</application> package
81installs a script as <filename>/etc/rc.d/init.d/alsasound</filename>. While it
82is possible to use this script, it contains a lot of extraneous detail which
83isn't needed on an <acronym>LFS</acronym> system. Instead, install the init
84script <filename>/etc/rc.d/init.d/alsa</filename> included in the
85<xref linkend="intro-important-bootscripts"/> package.</para>
86
87<screen><userinput><command>make install-alsa</command></userinput></screen>
88
89<para>Note that all channels of your sound card are muted by default. You can
90use the <command>alsamixer</command> program from
91<application><acronym>ALSA</acronym> Utilities</application> (or any other
92<acronym>OSS</acronym> mixer) to change this.</para>
93
94<para>The first time the above script is run, it will complain that
95there is no state in <filename>/etc/asound.state</filename>. You can
96prevent this by running the following commands after installing
97<application><acronym>ALSA</acronym> Utilities</application>:</para>
98<screen><userinput><command>touch /etc/asound.state &amp;&amp;
99alsactl store</command></userinput></screen>
100
101<para>A final note is that the lines loading <filename>sfxload</filename>
102are commented out. They are there as an example of other things you may
103wish to do in the startup script. <filename>sfxload</filename> is a
104separate package of interest to SoundBlaster AWE and Live!
105users. It is designed for loading "sound-fonts" (which are used for
106<acronym>MIDI</acronym> output). You may wish to delete these lines and add
107your own or, if you have the relevant sound card, install <filename>sfxload
108</filename> and uncomment them.</para>
109
110</sect3>
111
112</sect2>
113
114<sect2>
115<title>Contents</title>
116
117<para>The <application><acronym>ALSA</acronym> Utilities</application> package
118contains <command>aconnect</command>,
119<command>alsactl</command>, <command>alsamixer</command>,
120<command>amixer</command>, <command>aplay</command>,
121<command>arecord</command> and <command>aseqnet</command>.</para>
122
123</sect2>
124
125<sect2><title>Description</title>
126
127<sect3><title>aconnect</title>
128<para><command>aconnect</command> is a utility for connecting and disconnecting two existing ports in the <acronym>ALSA</acronym> sequencer system.</para>
129</sect3>
130
131<sect3><title>alsactl</title>
132<para><command>alsactl</command> is used to control advanced settings
133for the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
134
135<sect3><title>alsamixer</title>
136<para><command>alsamixer</command> is an ncurses-based mixer program for
137use with the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
138
139<sect3><title>amixer</title>
140<para><command>amixer</command> allows command-line control of the
141mixers for the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
142
143<sect3><title>aplay</title>
144<para><command>aplay</command> is a command-line soundfile player for
145the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
146
147<sect3><title>arecord</title>
148<para><command>arecord</command> is a command-line soundfile recorder
149for the <acronym>ALSA</acronym> sound card drivers.</para></sect3>
150
151<sect3><title>aseqnet</title>
152<para><command>aseqnet</command> is an <acronym>ALSA</acronym> sequencer
153client which sends and receives event packets over a network.</para></sect3>
154
155</sect2>
156
157</sect1>
158
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