source: multimedia/libdriv/alsa-utils.xml@ 22fadd16

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Last change on this file since 22fadd16 was 22fadd16, checked in by Bruce Dubbs <bdubbs@…>, 12 years ago

Finish updating alsa

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@9111 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 "8238cd57cb301d1c36bcf0ecb59ce6b2">
10 <!ENTITY alsa-utils-size "1.1 MB">
11 <!ENTITY alsa-utils-buildsize "11 MB">
12 <!ENTITY alsa-utils-time "0.1 SBU">
13 <!ENTITY alsa-utils-patch "alsa-utils-&alsa-utils-version;-no_xmlto-1.patch">
14]>
15
16<sect1 id="alsa-utils" xreflabel="ALSA Utilities-&alsa-utils-version;">
17 <?dbhtml filename="alsa-utils.html"?>
18
19 <sect1info>
20 <othername>$LastChangedBy$</othername>
21 <date>$Date$</date>
22 </sect1info>
23
24 <title>ALSA Utilities-&alsa-utils-version;</title>
25
26 <indexterm zone="alsa-utils">
27 <primary sortas="a-ALSA-Utilities">ALSA Utilities</primary>
28 </indexterm>
29
30 <sect2 role="package">
31 <title>Introduction to ALSA Utilities</title>
32
33 <para>The <application>ALSA Utilities</application> package contains
34 various utilities which are useful for controlling your sound card.</para>
35
36 &lfs70_checked;
37
38 <bridgehead renderas="sect3">Package Information</bridgehead>
39 <itemizedlist spacing="compact">
40 <listitem>
41 <para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para>
42 </listitem>
43 <listitem>
44 <para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para>
45 </listitem>
46 <listitem>
47 <para>Download MD5 sum: &alsa-utils-md5sum;</para>
48 </listitem>
49 <listitem>
50 <para>Download size: &alsa-utils-size;</para>
51 </listitem>
52 <listitem>
53 <para>Estimated disk space required: &alsa-utils-buildsize;</para>
54 </listitem>
55 <listitem>
56 <para>Estimated build time: &alsa-utils-time;</para>
57 </listitem>
58 </itemizedlist>
59
60 <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
61
62 <bridgehead renderas="sect4">Required</bridgehead>
63 <para role="required">i
64 <xref linkend="alsa-lib"/>
65 </para>
66
67 <bridgehead renderas="sect4">Optional</bridgehead>
68 <para role="optional">
69 <xref linkend="xmlto"/>
70 </para>
71
72 <bridgehead renderas="sect3">Additional Downloads</bridgehead>
73 <itemizedlist spacing="compact">
74 <listitem>
75 <para>Optional patch: <ulink
76 url="&patch-root;/&alsa-utils-patch;"/></para>
77 </listitem>
78 </itemizedlist>
79
80
81 <para condition="html" role="usernotes">User Notes:
82 <ulink url="&blfs-wiki;/alsa-utils"/></para>
83
84 </sect2>
85
86 <sect2 role="installation">
87 <title>Installation of ALSA Utilities</title>
88
89 <para>If you have not installed the optional dependency <xref linkend='xmlto'/>,
90 apply the following patch:</para>
91
92<screen><userinput>patch -Np1 -i ../&alsa-utils-patch;</userinput></screen>
93
94 <para>Install <application>ALSA Utilities</application> by
95 running the following commands:</para>
96
97<screen><userinput>./configure &amp;&amp;
98make</userinput></screen>
99
100 <para>This package does not come with a test suite.</para>
101
102 <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
103
104<screen role="root"><userinput>make install</userinput></screen>
105
106 </sect2>
107
108 <sect2 role="configuration">
109 <title>Configuring ALSA Utilities</title>
110
111 <sect3 id="alsa-utils-config">
112 <title>Config Files</title>
113
114 <para><filename>/var/lib/alsa/asound.state</filename></para>
115
116 <indexterm zone="alsa-utils alsa-utils-config">
117 <primary sortas="e-var-lib-alsa-asound.state">/var/lib/alsa/asound.state</primary>
118 </indexterm>
119
120 </sect3>
121
122 <sect3 id="alsa-utils-init">
123 <title>Configuration Information</title>
124
125 <para> Use a bootscript to store the values at shutdown.</para>
126
127 <indexterm zone="alsa-utils alsa-utils-init">
128 <primary sortas="f-alsa">alsa</primary>
129 </indexterm>
130
131 <para>As the <systemitem class="username">root</systemitem> user,
132 install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
133 in the <xref linkend="bootscripts"/> package.</para>
134
135<screen role="root"><userinput>make install-alsa</userinput></screen>
136
137 <para>Note that all channels of your sound card are muted by default.
138 You can use the <command>alsamixer</command> program from the
139 <application>ALSA Utilities</application> to change this. Use
140 <command>speaker-test</command> to check that your settings have
141 been applied correctly. You should hear <quote>pink noise</quote> on your
142 speakers.</para>
143
144 <para>The first time the <filename>alsactl</filename> program is run from
145 the <application>udev</application> rule below, it will complain that
146 there is no state in <filename>/etc/asound.state</filename>. You can
147 prevent this by running the following commands as the <systemitem
148 class="username">root</systemitem> user:</para>
149
150<screen role="root"><userinput>mkdir -p /var/lib/alsa &amp;&amp;
151touch /var/lib/alsa/asound.state &amp;&amp;
152alsactl store</userinput></screen>
153
154 <para>The volume settings will be restored from the saved state by
155 <application>Udev</application> when the device is detected (during boot
156 or when plugged in for USB devices).</para>
157
158 <para>As the <systemitem class="username">root</systemitem> user, install
159 a new <application>Udev</application> rules file to create the audio
160 device nodes and run the restore script:</para>
161
162<screen role="root"><userinput>cat &gt; /etc/udev/rules.d/40-alsa.rules &lt;&lt; "EOF"
163# /etc/udev/rules.d/40-alsa.rules
164
165# When a sound device is detected, restore the volume settings
166KERNEL=="controlC[0-9]*", ACTION=="add", RUN+="/usr/sbin/alsactl restore %n"
167EOF
168chmod -v 644 /etc/udev/rules.d/40-alsa.rules</userinput></screen>
169
170 <para>All sound devices are not accessible for any user except
171 <systemitem class="username">root</systemitem> and members of the
172 <systemitem class="groupname">audio</systemitem> group. Add any users
173 that might use the sound devices to that group:</para>
174
175<screen role="root"><userinput>usermod -a -G audio <replaceable>&lt;username&gt;</replaceable></userinput></screen>
176
177 <note>
178 <para>You may need to log out and back in again to refresh your group
179 memberships. '<command>su <replaceable>&lt;username&gt;</replaceable></command>'
180 should work as well.</para>
181 </note>
182
183 </sect3>
184
185 </sect2>
186
187 <sect2 role="content">
188 <title>Contents</title>
189
190 <segmentedlist>
191 <segtitle>Installed Programs</segtitle>
192 <segtitle>Installed Libraries</segtitle>
193 <segtitle>Installed Directory</segtitle>
194
195 <seglistitem>
196 <seg>aconnect, alsaconf, alsactl, alsamixer, amidi,
197 amixer, aplay, aplaymidi, arecord, arecordmidi, aseqdump,
198 aseqnet, iecset, and speaker-test</seg>
199 <seg>None</seg>
200 <seg>/var/lib/alsa and /usr/share/sounds/alsa</seg>
201 </seglistitem>
202 </segmentedlist>
203
204 <variablelist>
205 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
206 <?dbfo list-presentation="list"?>
207 <?dbhtml list-presentation="table"?>
208
209 <varlistentry id="aconnect">
210 <term><command>aconnect</command></term>
211 <listitem>
212 <para>is a utility for connecting and disconnecting two existing
213 ports in the ALSA sequencer system.</para>
214 <indexterm zone="alsa-utils aconnect">
215 <primary sortas="b-aconnect">aconnect</primary>
216 </indexterm>
217 </listitem>
218 </varlistentry>
219
220 <varlistentry id="alsaconf">
221 <term><command>alsaconf</command></term>
222 <listitem>
223 <para>is a configuration tool which tries to detect the sound cards
224 on your system and write a suitable configuration file for ALSA.
225 This program is incompatible with udev and hotplug.</para>
226 <indexterm zone="alsa-utils alsaconf">
227 <primary sortas="b-alsaconf">alsaconf</primary>
228 </indexterm>
229 </listitem>
230 </varlistentry>
231
232 <varlistentry id="alsactl">
233 <term><command>alsactl</command></term>
234 <listitem>
235 <para>is used to control advanced settings for the
236 ALSA sound card drivers.</para>
237 <indexterm zone="alsa-utils alsactl">
238 <primary sortas="b-alsactl">alsactl</primary>
239 </indexterm>
240 </listitem>
241 </varlistentry>
242
243 <varlistentry id="alsamixer">
244 <term><command>alsamixer</command></term>
245 <listitem>
246 <para>is an ncurses-based mixer program for use with the
247 ALSA sound card drivers.</para>
248 <indexterm zone="alsa-utils alsamixer">
249 <primary sortas="b-alsamixer">alsamixer</primary>
250 </indexterm>
251 </listitem>
252 </varlistentry>
253
254 <varlistentry id="amidi">
255 <term><command>amidi</command></term>
256 <listitem>
257 <para>is used to read from and write to ALSA
258 RawMIDI ports.</para>
259 <indexterm zone="alsa-utils amidi">
260 <primary sortas="b-amidi">amidi</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="amixer">
266 <term><command>amixer</command></term>
267 <listitem>
268 <para> allows command-line control of the mixers for the
269 ALSA sound card drivers.</para>
270 <indexterm zone="alsa-utils amixer">
271 <primary sortas="b-amixer">amixer</primary>
272 </indexterm>
273 </listitem>
274 </varlistentry>
275
276 <varlistentry id="aplay">
277 <term><command>aplay</command></term>
278 <listitem>
279 <para>is a command-line soundfile player for the
280 ALSA sound card drivers.</para>
281 <indexterm zone="alsa-utils aplay">
282 <primary sortas="b-aplay">aplay</primary>
283 </indexterm>
284 </listitem>
285 </varlistentry>
286
287 <varlistentry id="aplaymidi">
288 <term><command>aplaymidi</command></term>
289 <listitem>
290 <para>is a command-line utility that plays the specified
291 MIDI file(s) to one or more ALSA sequencer ports.</para>
292 <indexterm zone="alsa-utils aplaymidi">
293 <primary sortas="b-aplaymidi">aplaymidi</primary>
294 </indexterm>
295 </listitem>
296 </varlistentry>
297
298 <varlistentry id="arecord">
299 <term><command>arecord</command></term>
300 <listitem>
301 <para>is a command-line soundfile recorder for the
302 ALSA sound card drivers.</para>
303 <indexterm zone="alsa-utils arecord">
304 <primary sortas="b-arecord">arecord</primary>
305 </indexterm>
306 </listitem>
307 </varlistentry>
308
309 <varlistentry id="arecordmidi">
310 <term><command>arecordmidi</command></term>
311 <listitem>
312 <para>is a command-line utility that records a standard
313 MIDI file from one or more ALSA sequencer ports.</para>
314 <indexterm zone="alsa-utils arecordmidi">
315 <primary sortas="b-arecordmidi">arecordmidi</primary>
316 </indexterm>
317 </listitem>
318 </varlistentry>
319
320 <varlistentry id="aseqdump">
321 <term><command>aseqdump</command></term>
322 <listitem>
323 <para>is a command-line utility that prints the sequencer events it
324 receives as text.</para>
325 <indexterm zone="alsa-utils aseqdump">
326 <primary sortas="b-aseqdump">aseqdump</primary>
327 </indexterm>
328 </listitem>
329 </varlistentry>
330
331 <varlistentry id="aseqnet">
332 <term><command>aseqnet</command></term>
333 <listitem>
334 <para>is an ALSA sequencer client which sends
335 and receives event packets over a network.</para>
336 <indexterm zone="alsa-utils aseqnet">
337 <primary sortas="b-aseqnet">aseqnet</primary>
338 </indexterm>
339 </listitem>
340 </varlistentry>
341
342 <varlistentry id="iecset">
343 <term><command>iecset</command></term>
344 <listitem>
345 <para>is a small utility to set or dump the IEC958 (or so-called
346 <quote>S/PDIF</quote>) status bits of the specified sound
347 card via the ALSA control API.</para>
348 <indexterm zone="alsa-utils iecset">
349 <primary sortas="b-iecset">iecset</primary>
350 </indexterm>
351 </listitem>
352 </varlistentry>
353
354 <varlistentry id="speaker-test">
355 <term><command>speaker-test</command></term>
356 <listitem>
357 <para>is a command-line speaker test tone generator for ALSA.</para>
358 <indexterm zone="alsa-utils speaker-test">
359 <primary sortas="b-speaker-test">speaker-test</primary>
360 </indexterm>
361 </listitem>
362 </varlistentry>
363
364 </variablelist>
365
366 </sect2>
367
368</sect1>
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