source: multimedia/libdriv/alsa-utils.xml@ b4e477a

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Last change on this file since b4e477a was b4e477a, checked in by Dan Nichilson <dnicholson@…>, 15 years ago

Fixed the ALSA udev rules, closing #2125

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@6419 af4574ff-66df-0310-9fd7-8a98e5e911e0

  • Property mode set to 100644
File size: 11.9 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/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 "ba9b8010120701d0f6daf061d392cfa2">
10 <!ENTITY alsa-utils-size "972 KB">
11 <!ENTITY alsa-utils-buildsize "6.8 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 <bridgehead renderas="sect3">Package Information</bridgehead>
36 <itemizedlist spacing="compact">
37 <listitem>
38 <para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para>
39 </listitem>
40 <listitem>
41 <para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para>
42 </listitem>
43 <listitem>
44 <para>Download MD5 sum: &alsa-utils-md5sum;</para>
45 </listitem>
46 <listitem>
47 <para>Download size: &alsa-utils-size;</para>
48 </listitem>
49 <listitem>
50 <para>Estimated disk space required: &alsa-utils-buildsize;</para>
51 </listitem>
52 <listitem>
53 <para>Estimated build time: &alsa-utils-time;</para>
54 </listitem>
55 </itemizedlist>
56
57 <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
58
59 <bridgehead renderas="sect4">Required</bridgehead>
60 <para role="required"><xref linkend="alsa-lib"/></para>
61
62 <para condition="html" role="usernotes">User Notes:
63 <ulink url="&blfs-wiki;/alsa-utils"/></para>
64
65 </sect2>
66
67 <sect2 role="installation">
68 <title>Installation of ALSA Utilities</title>
69
70 <para>Install <application>ALSA Utilities</application> by
71 running the following commands:</para>
72
73<screen><userinput>./configure &amp;&amp;
74make</userinput></screen>
75
76 <para>This package does not come with a test suite.</para>
77
78 <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
79
80<screen role="root"><userinput>make install</userinput></screen>
81
82 </sect2>
83
84 <sect2 role="configuration">
85 <title>Configuring ALSA Utilities</title>
86
87 <sect3 id="alsa-utils-config">
88 <title>Config Files</title>
89
90 <para><filename>/etc/asound.state</filename></para>
91
92 <indexterm zone="alsa-utils alsa-utils-config">
93 <primary sortas="e-etc-asound.state">/etc/asound.state</primary>
94 </indexterm>
95
96 </sect3>
97
98 <sect3 id="alsa-utils-init">
99 <title>Configuration Information</title>
100
101 <para> Use a bootscript to store the values at shutdown.</para>
102
103 <indexterm zone="alsa-utils alsa-utils-init">
104 <primary sortas="f-alsa">alsa</primary>
105 </indexterm>
106
107 <para>As the <systemitem class="username">root</systemitem> user,
108 install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
109 in the <xref linkend="bootscripts"/> package.</para>
110
111<screen role="root"><userinput>make install-alsa</userinput></screen>
112
113 <para>Note that all channels of your sound card are muted by default.
114 You can use the <command>alsamixer</command> program from the
115 <application>ALSA Utilities</application> to change this.</para>
116
117 <para>The first time the <filename>alsactl</filename> program is run from
118 the <application>udev</application> rule below, it will complain that
119 there is no state in <filename>/etc/asound.state</filename>. You can
120 prevent this by running the following commands as the <systemitem
121 class="username">root</systemitem> user:</para>
122
123<screen role="root"><userinput>touch /etc/asound.state &amp;&amp;
124alsactl store</userinput></screen>
125
126 <para>The volume settings will be restored from the saved state by
127 <application>Udev</application> when the device is detected (during boot
128 or when plugged in for USB devices).</para>
129
130<!--
131 <para> While still the
132 <systemitem class="username">root</systemitem> user, create the
133 <filename>/etc/udev/scripts/alsa-restore</filename> script with
134 the following commands:</para>
135
136<screen role="root"><userinput>install -v -d -m754 /etc/udev/scripts &amp;&amp;
137cat &gt; /etc/udev/scripts/alsa-restore &lt;&lt; "EOF"
138#!/bin/sh -e
139# Begin /etc/udev/scripts/alsa-restore
140# $1 is (the numbered device "%n") passed in by udev/kernel.
141
142 rc=1
143
144 if [ -f /usr/sbin/alsactl ]; then
145 /usr/sbin/alsactl restore "${1}"
146 rc=$?
147 fi
148
149 exit $rc
150
151# End /etc/udev/scripts/alsa-restore
152EOF
153chmod -v 754 /etc/udev/scripts/alsa-restore</userinput></screen>
154-->
155
156 <para>As the <systemitem class="username">root</systemitem> user, install
157 a new <application>Udev</application> rules file to create the audio
158 device nodes and run the restore script:</para>
159
160<screen role="root"><userinput>cat &gt; /etc/udev/rules.d/40-alsa.rules &lt;&lt; "EOF"
161# /etc/udev/rules.d/40-alsa.rules
162
163# When a sound device is detected, restore the volume settings
164KERNEL=="controlC[0-9]*", ACTION=="add", RUN+="/usr/sbin/alsactl restore %n"
165EOF
166chmod -v 644 /etc/udev/rules.d/40-alsa.rules</userinput></screen>
167
168 </sect3>
169
170 </sect2>
171
172 <sect2 role="content">
173 <title>Contents</title>
174
175 <segmentedlist>
176 <segtitle>Installed Programs</segtitle>
177 <segtitle>Installed Libraries</segtitle>
178 <segtitle>Installed Directories</segtitle>
179
180 <seglistitem>
181 <seg>aconnect, alsaconf, alsactl, alsamixer, amidi,
182 amixer, aplay, aplaymidi, arecord, arecordmidi, aseqnet,
183 aseqdump, iecset, and speaker-test</seg>
184 <seg>None</seg>
185 <seg>None</seg>
186 </seglistitem>
187 </segmentedlist>
188
189 <variablelist>
190 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
191 <?dbfo list-presentation="list"?>
192 <?dbhtml list-presentation="table"?>
193
194 <varlistentry id="aconnect">
195 <term><command>aconnect</command></term>
196 <listitem>
197 <para>is a utility for connecting and disconnecting two existing
198 ports in the ALSA sequencer system.</para>
199 <indexterm zone="alsa-utils aconnect">
200 <primary sortas="b-aconnect">aconnect</primary>
201 </indexterm>
202 </listitem>
203 </varlistentry>
204
205 <varlistentry id="alsaconf">
206 <term><command>alsaconf</command></term>
207 <listitem>
208 <para>is a configuration tool which tries to detect the sound cards
209 on your system and write a suitable configuration file for ALSA.
210 This program is incompatible with udev and hotplug.</para>
211 <indexterm zone="alsa-utils alsaconf">
212 <primary sortas="b-alsaconf">alsaconf</primary>
213 </indexterm>
214 </listitem>
215 </varlistentry>
216
217 <varlistentry id="alsactl">
218 <term><command>alsactl</command></term>
219 <listitem>
220 <para>is used to control advanced settings for the
221 ALSA sound card drivers.</para>
222 <indexterm zone="alsa-utils alsactl">
223 <primary sortas="b-alsactl">alsactl</primary>
224 </indexterm>
225 </listitem>
226 </varlistentry>
227
228 <varlistentry id="alsamixer">
229 <term><command>alsamixer</command></term>
230 <listitem>
231 <para>is an ncurses-based mixer program for use with the
232 ALSA sound card drivers.</para>
233 <indexterm zone="alsa-utils alsamixer">
234 <primary sortas="b-alsamixer">alsamixer</primary>
235 </indexterm>
236 </listitem>
237 </varlistentry>
238
239 <varlistentry id="amidi">
240 <term><command>amidi</command></term>
241 <listitem>
242 <para>is used to read from and write to ALSA
243 RawMIDI ports.</para>
244 <indexterm zone="alsa-utils amidi">
245 <primary sortas="b-amidi">amidi</primary>
246 </indexterm>
247 </listitem>
248 </varlistentry>
249
250 <varlistentry id="amixer">
251 <term><command>amixer</command></term>
252 <listitem>
253 <para> allows command-line control of the mixers for the
254 ALSA sound card drivers.</para>
255 <indexterm zone="alsa-utils amixer">
256 <primary sortas="b-amixer">amixer</primary>
257 </indexterm>
258 </listitem>
259 </varlistentry>
260
261 <varlistentry id="aplay">
262 <term><command>aplay</command></term>
263 <listitem>
264 <para>is a command-line soundfile player for the
265 ALSA sound card drivers.</para>
266 <indexterm zone="alsa-utils aplay">
267 <primary sortas="b-aplay">aplay</primary>
268 </indexterm>
269 </listitem>
270 </varlistentry>
271
272 <varlistentry id="aplaymidi">
273 <term><command>aplaymidi</command></term>
274 <listitem>
275 <para>is a command-line utility that plays the specified
276 MIDI file(s) to one or more ALSA sequencer ports.</para>
277 <indexterm zone="alsa-utils aplaymidi">
278 <primary sortas="b-aplaymidi">aplaymidi</primary>
279 </indexterm>
280 </listitem>
281 </varlistentry>
282
283 <varlistentry id="arecord">
284 <term><command>arecord</command></term>
285 <listitem>
286 <para>is a command-line soundfile recorder for the
287 ALSA sound card drivers.</para>
288 <indexterm zone="alsa-utils arecord">
289 <primary sortas="b-arecord">arecord</primary>
290 </indexterm>
291 </listitem>
292 </varlistentry>
293
294 <varlistentry id="arecordmidi">
295 <term><command>arecordmidi</command></term>
296 <listitem>
297 <para>is a command-line utility that records a standard
298 MIDI file from one or more ALSA sequencer ports.</para>
299 <indexterm zone="alsa-utils arecordmidi">
300 <primary sortas="b-arecordmidi">arecordmidi</primary>
301 </indexterm>
302 </listitem>
303 </varlistentry>
304
305 <varlistentry id="aseqdump">
306 <term><command>aseqdump</command></term>
307 <listitem>
308 <para>is a command-line utility that prints the sequencer events it
309 receives as text.</para>
310 <indexterm zone="alsa-utils aseqdump">
311 <primary sortas="b-aseqdump">aseqdump</primary>
312 </indexterm>
313 </listitem>
314 </varlistentry>
315
316 <varlistentry id="aseqnet">
317 <term><command>aseqnet</command></term>
318 <listitem>
319 <para>is an ALSA sequencer client which sends
320 and receives event packets over a network.</para>
321 <indexterm zone="alsa-utils aseqnet">
322 <primary sortas="b-aseqnet">aseqnet</primary>
323 </indexterm>
324 </listitem>
325 </varlistentry>
326
327 <varlistentry id="iecset">
328 <term><command>iecset</command></term>
329 <listitem>
330 <para>is a small utility to set or dump the IEC958 (or so-called
331 <quote>S/PDIF</quote>) status bits of the specified sound
332 card via the ALSA control API.</para>
333 <indexterm zone="alsa-utils iecset">
334 <primary sortas="b-iecset">iecset</primary>
335 </indexterm>
336 </listitem>
337 </varlistentry>
338
339 <varlistentry id="speaker-test">
340 <term><command>speaker-test</command></term>
341 <listitem>
342 <para>is a command-line speaker test tone generator for ALSA.</para>
343 <indexterm zone="alsa-utils speaker-test">
344 <primary sortas="b-speaker-test">speaker-test</primary>
345 </indexterm>
346 </listitem>
347 </varlistentry>
348
349 </variablelist>
350
351 </sect2>
352
353</sect1>
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