source: multimedia/libdriv/alsa-utils.xml@ adcfdde2

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Last change on this file since adcfdde2 was adcfdde2, checked in by Guy Dalziel <gdalziel@…>, 15 years ago

Updated to ALSA 1.0.21.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@8015 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY alsa-utils-download-http "&alsa-download-http;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
8 <!ENTITY alsa-utils-download-ftp "&alsa-download-ftp;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
9 <!ENTITY alsa-utils-md5sum "3672287c2608040d111ce45495ba7602">
10 <!ENTITY alsa-utils-size "1.0 MB">
11 <!ENTITY alsa-utils-buildsize "8 MB">
12 <!ENTITY alsa-utils-time "0.1 SBU">
13]>
14
15<sect1 id="alsa-utils" xreflabel="ALSA Utilities-&alsa-utils-version;">
16 <?dbhtml filename="alsa-utils.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>ALSA Utilities-&alsa-utils-version;</title>
24
25 <indexterm zone="alsa-utils">
26 <primary sortas="a-ALSA-Utilities">ALSA Utilities</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to ALSA Utilities</title>
31
32 <para>The <application>ALSA Utilities</application> package contains
33 various utilities which are useful for controlling your sound card.</para>
34
35 &lfs65_checked;
36
37 <bridgehead renderas="sect3">Package Information</bridgehead>
38 <itemizedlist spacing="compact">
39 <listitem>
40 <para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para>
41 </listitem>
42 <listitem>
43 <para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para>
44 </listitem>
45 <listitem>
46 <para>Download MD5 sum: &alsa-utils-md5sum;</para>
47 </listitem>
48 <listitem>
49 <para>Download size: &alsa-utils-size;</para>
50 </listitem>
51 <listitem>
52 <para>Estimated disk space required: &alsa-utils-buildsize;</para>
53 </listitem>
54 <listitem>
55 <para>Estimated build time: &alsa-utils-time;</para>
56 </listitem>
57 </itemizedlist>
58
59 <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
60
61 <bridgehead renderas="sect4">Required</bridgehead>
62 <para role="required"><xref linkend="alsa-lib"/></para>
63
64 <bridgehead renderas="sect3">Additional Downloads</bridgehead>
65 <itemizedlist spacing="compact">
66 <listitem>
67 <para>Required patch: <ulink
68 url="&patch-root;/alsa-utils-&alsa-utils-version;-no_xmlto-1.patch"/></para>
69 </listitem>
70 </itemizedlist>
71
72
73 <para condition="html" role="usernotes">User Notes:
74 <ulink url="&blfs-wiki;/alsa-utils"/></para>
75
76 </sect2>
77
78 <sect2 role="installation">
79 <title>Installation of ALSA Utilities</title>
80
81 <para>Install <application>ALSA Utilities</application> by
82 running the following commands:</para>
83
84<screen><userinput>patch -Np1 -i ../alsa-utils-&alsa-utils-version;-no_xmlto-1.patch &amp;&amp;
85./configure &amp;&amp;
86make</userinput></screen>
87
88 <para>This package does not come with a test suite.</para>
89
90 <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
91
92<screen role="root"><userinput>make install</userinput></screen>
93
94 </sect2>
95
96 <sect2 role="configuration">
97 <title>Configuring ALSA Utilities</title>
98
99 <sect3 id="alsa-utils-config">
100 <title>Config Files</title>
101
102 <para><filename>/etc/asound.state</filename></para>
103
104 <indexterm zone="alsa-utils alsa-utils-config">
105 <primary sortas="e-etc-asound.state">/etc/asound.state</primary>
106 </indexterm>
107
108 </sect3>
109
110 <sect3 id="alsa-utils-init">
111 <title>Configuration Information</title>
112
113 <para> Use a bootscript to store the values at shutdown.</para>
114
115 <indexterm zone="alsa-utils alsa-utils-init">
116 <primary sortas="f-alsa">alsa</primary>
117 </indexterm>
118
119 <para>As the <systemitem class="username">root</systemitem> user,
120 install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
121 in the <xref linkend="bootscripts"/> package.</para>
122
123<screen role="root"><userinput>make install-alsa</userinput></screen>
124
125 <para>Note that all channels of your sound card are muted by default.
126 You can use the <command>alsamixer</command> program from the
127 <application>ALSA Utilities</application> to change this. Use
128 <command>speaker-test</command> to check that your settings have
129 been applied correctly. You should hear <quote>pink noise</quote> on your
130 speakers.</para>
131
132 <para>The first time the <filename>alsactl</filename> program is run from
133 the <application>udev</application> rule below, it will complain that
134 there is no state in <filename>/etc/asound.state</filename>. You can
135 prevent this by running the following commands as the <systemitem
136 class="username">root</systemitem> user:</para>
137
138<screen role="root"><userinput>touch /etc/asound.state &amp;&amp;
139alsactl store</userinput></screen>
140
141 <para>The volume settings will be restored from the saved state by
142 <application>Udev</application> when the device is detected (during boot
143 or when plugged in for USB devices).</para>
144
145<!--
146 <para> While still the
147 <systemitem class="username">root</systemitem> user, create the
148 <filename>/etc/udev/scripts/alsa-restore</filename> script with
149 the following commands:</para>
150
151<screen role="root"><userinput>install -v -d -m754 /etc/udev/scripts &amp;&amp;
152cat &gt; /etc/udev/scripts/alsa-restore &lt;&lt; "EOF"
153#!/bin/sh -e
154# Begin /etc/udev/scripts/alsa-restore
155# $1 is (the numbered device "%n") passed in by udev/kernel.
156
157 rc=1
158
159 if [ -f /usr/sbin/alsactl ]; then
160 /usr/sbin/alsactl restore "${1}"
161 rc=$?
162 fi
163
164 exit $rc
165
166# End /etc/udev/scripts/alsa-restore
167EOF
168chmod -v 754 /etc/udev/scripts/alsa-restore</userinput></screen>
169-->
170
171 <para>As the <systemitem class="username">root</systemitem> user, install
172 a new <application>Udev</application> rules file to create the audio
173 device nodes and run the restore script:</para>
174
175<screen role="root"><userinput>cat &gt; /etc/udev/rules.d/40-alsa.rules &lt;&lt; "EOF"
176# /etc/udev/rules.d/40-alsa.rules
177
178# When a sound device is detected, restore the volume settings
179KERNEL=="controlC[0-9]*", ACTION=="add", RUN+="/usr/sbin/alsactl restore %n"
180EOF
181chmod -v 644 /etc/udev/rules.d/40-alsa.rules</userinput></screen>
182
183 <para>All sound devices are not accessible for any user except
184 <systemitem class="username">root</systemitem> and members of the
185 <systemitem class="groupname">audio</systemitem> group. Add any users
186 that might use the sound devices to that group:</para>
187
188<screen role="root"><userinput>usermod -a -G audio <replaceable>&lt;username&gt;</replaceable></userinput></screen>
189
190 <note>
191 <para>You may need to log out and back in again to refresh your group
192 memberships. '<command>su <replaceable>&lt;username&gt;</replaceable></command>'
193 should work as well.</para>
194 </note>
195
196 </sect3>
197
198 </sect2>
199
200 <sect2 role="content">
201 <title>Contents</title>
202
203 <segmentedlist>
204 <segtitle>Installed Programs</segtitle>
205 <segtitle>Installed Libraries</segtitle>
206 <segtitle>Installed Directory</segtitle>
207
208 <seglistitem>
209 <seg>aconnect, alsaconf, alsactl, alsamixer, amidi,
210 amixer, aplay, aplaymidi, arecord, arecordmidi, aseqdump,
211 aseqnet, iecset, and speaker-test</seg>
212 <seg>None</seg>
213 <seg>/usr/share/sounds/alsa</seg>
214 </seglistitem>
215 </segmentedlist>
216
217 <variablelist>
218 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
219 <?dbfo list-presentation="list"?>
220 <?dbhtml list-presentation="table"?>
221
222 <varlistentry id="aconnect">
223 <term><command>aconnect</command></term>
224 <listitem>
225 <para>is a utility for connecting and disconnecting two existing
226 ports in the ALSA sequencer system.</para>
227 <indexterm zone="alsa-utils aconnect">
228 <primary sortas="b-aconnect">aconnect</primary>
229 </indexterm>
230 </listitem>
231 </varlistentry>
232
233 <varlistentry id="alsaconf">
234 <term><command>alsaconf</command></term>
235 <listitem>
236 <para>is a configuration tool which tries to detect the sound cards
237 on your system and write a suitable configuration file for ALSA.
238 This program is incompatible with udev and hotplug.</para>
239 <indexterm zone="alsa-utils alsaconf">
240 <primary sortas="b-alsaconf">alsaconf</primary>
241 </indexterm>
242 </listitem>
243 </varlistentry>
244
245 <varlistentry id="alsactl">
246 <term><command>alsactl</command></term>
247 <listitem>
248 <para>is used to control advanced settings for the
249 ALSA sound card drivers.</para>
250 <indexterm zone="alsa-utils alsactl">
251 <primary sortas="b-alsactl">alsactl</primary>
252 </indexterm>
253 </listitem>
254 </varlistentry>
255
256 <varlistentry id="alsamixer">
257 <term><command>alsamixer</command></term>
258 <listitem>
259 <para>is an ncurses-based mixer program for use with the
260 ALSA sound card drivers.</para>
261 <indexterm zone="alsa-utils alsamixer">
262 <primary sortas="b-alsamixer">alsamixer</primary>
263 </indexterm>
264 </listitem>
265 </varlistentry>
266
267 <varlistentry id="amidi">
268 <term><command>amidi</command></term>
269 <listitem>
270 <para>is used to read from and write to ALSA
271 RawMIDI ports.</para>
272 <indexterm zone="alsa-utils amidi">
273 <primary sortas="b-amidi">amidi</primary>
274 </indexterm>
275 </listitem>
276 </varlistentry>
277
278 <varlistentry id="amixer">
279 <term><command>amixer</command></term>
280 <listitem>
281 <para> allows command-line control of the mixers for the
282 ALSA sound card drivers.</para>
283 <indexterm zone="alsa-utils amixer">
284 <primary sortas="b-amixer">amixer</primary>
285 </indexterm>
286 </listitem>
287 </varlistentry>
288
289 <varlistentry id="aplay">
290 <term><command>aplay</command></term>
291 <listitem>
292 <para>is a command-line soundfile player for the
293 ALSA sound card drivers.</para>
294 <indexterm zone="alsa-utils aplay">
295 <primary sortas="b-aplay">aplay</primary>
296 </indexterm>
297 </listitem>
298 </varlistentry>
299
300 <varlistentry id="aplaymidi">
301 <term><command>aplaymidi</command></term>
302 <listitem>
303 <para>is a command-line utility that plays the specified
304 MIDI file(s) to one or more ALSA sequencer ports.</para>
305 <indexterm zone="alsa-utils aplaymidi">
306 <primary sortas="b-aplaymidi">aplaymidi</primary>
307 </indexterm>
308 </listitem>
309 </varlistentry>
310
311 <varlistentry id="arecord">
312 <term><command>arecord</command></term>
313 <listitem>
314 <para>is a command-line soundfile recorder for the
315 ALSA sound card drivers.</para>
316 <indexterm zone="alsa-utils arecord">
317 <primary sortas="b-arecord">arecord</primary>
318 </indexterm>
319 </listitem>
320 </varlistentry>
321
322 <varlistentry id="arecordmidi">
323 <term><command>arecordmidi</command></term>
324 <listitem>
325 <para>is a command-line utility that records a standard
326 MIDI file from one or more ALSA sequencer ports.</para>
327 <indexterm zone="alsa-utils arecordmidi">
328 <primary sortas="b-arecordmidi">arecordmidi</primary>
329 </indexterm>
330 </listitem>
331 </varlistentry>
332
333 <varlistentry id="aseqdump">
334 <term><command>aseqdump</command></term>
335 <listitem>
336 <para>is a command-line utility that prints the sequencer events it
337 receives as text.</para>
338 <indexterm zone="alsa-utils aseqdump">
339 <primary sortas="b-aseqdump">aseqdump</primary>
340 </indexterm>
341 </listitem>
342 </varlistentry>
343
344 <varlistentry id="aseqnet">
345 <term><command>aseqnet</command></term>
346 <listitem>
347 <para>is an ALSA sequencer client which sends
348 and receives event packets over a network.</para>
349 <indexterm zone="alsa-utils aseqnet">
350 <primary sortas="b-aseqnet">aseqnet</primary>
351 </indexterm>
352 </listitem>
353 </varlistentry>
354
355 <varlistentry id="iecset">
356 <term><command>iecset</command></term>
357 <listitem>
358 <para>is a small utility to set or dump the IEC958 (or so-called
359 <quote>S/PDIF</quote>) status bits of the specified sound
360 card via the ALSA control API.</para>
361 <indexterm zone="alsa-utils iecset">
362 <primary sortas="b-iecset">iecset</primary>
363 </indexterm>
364 </listitem>
365 </varlistentry>
366
367 <varlistentry id="speaker-test">
368 <term><command>speaker-test</command></term>
369 <listitem>
370 <para>is a command-line speaker test tone generator for ALSA.</para>
371 <indexterm zone="alsa-utils speaker-test">
372 <primary sortas="b-speaker-test">speaker-test</primary>
373 </indexterm>
374 </listitem>
375 </varlistentry>
376
377 </variablelist>
378
379 </sect2>
380
381</sect1>
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