source: multimedia/libdriv/alsa-utils.xml@ b4b2a76

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Last change on this file since b4b2a76 was b4b2a76, checked in by Chris Staub <chris@…>, 11 years ago

Text fixes

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@10866 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 "4dcf1017fafc91603af96705c073eca9">
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-utils-&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-utils-&alsa-utils-version;</title>
25
26 <indexterm zone="alsa-utils">
27 <primary sortas="a-alsa-utils">alsa-utils</primary>
28 </indexterm>
29
30 <sect2 role="package">
31 <title>Introduction to ALSA Utilities</title>
32
33 <para>
34 The <application>ALSA Utilities</application> package contains
35 various utilities which are useful for controlling your sound
36 card.
37 </para>
38
39 &lfs72_checked;
40
41 <bridgehead renderas="sect3">Package Information</bridgehead>
42 <itemizedlist spacing="compact">
43 <listitem>
44 <para>
45 Download (HTTP): <ulink url="&alsa-utils-download-http;"/>
46 </para>
47 </listitem>
48 <listitem>
49 <para>
50 Download (FTP): <ulink url="&alsa-utils-download-ftp;"/>
51 </para>
52 </listitem>
53 <listitem>
54 <para>
55 Download MD5 sum: &alsa-utils-md5sum;
56 </para>
57 </listitem>
58 <listitem>
59 <para>
60 Download size: &alsa-utils-size;
61 </para>
62 </listitem>
63 <listitem>
64 <para>
65 Estimated disk space required: &alsa-utils-buildsize;
66 </para>
67 </listitem>
68 <listitem>
69 <para>
70 Estimated build time: &alsa-utils-time;
71 </para>
72 </listitem>
73 </itemizedlist>
74
75 <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
76
77 <bridgehead renderas="sect4">Required</bridgehead>
78 <para role="required">
79 <xref linkend="alsa-lib"/>
80 </para>
81
82 <bridgehead renderas="sect4">Optional</bridgehead>
83 <para role="optional">
84 <ulink url="http://hightek.org/dialog/">Dialog</ulink> and
85 <xref linkend="xmlto"/>
86 </para>
87
88 <bridgehead renderas="sect3">Additional Downloads</bridgehead>
89 <itemizedlist spacing="compact">
90 <listitem>
91 <para>
92 Optional patch:
93 <ulink url="&patch-root;/&alsa-utils-patch;"/>
94 </para>
95 </listitem>
96 </itemizedlist>
97
98 <para condition="html" role="usernotes">User Notes:
99 <ulink url="&blfs-wiki;/alsa-utils"/>
100 </para>
101 </sect2>
102
103 <sect2 role="installation">
104 <title>Installation of ALSA Utilities</title>
105
106 <para>
107 If you have not installed the optional dependency <xref linkend="xmlto"/>,
108 apply the following patch:
109 </para>
110
111<screen><userinput>patch -Np1 -i ../&alsa-utils-patch;</userinput></screen>
112
113 <para>
114 Install <application>ALSA Utilities</application> by
115 running the following commands:
116 </para>
117
118<screen><userinput>./configure --without-systemdsystemunitdir &amp;&amp;
119make</userinput></screen>
120
121 <para>
122 This package does not come with a test suite.
123 </para>
124
125 <para>
126 Now, as the <systemitem class="username">root</systemitem> user:
127 </para>
128
129<screen role="root"><userinput>make install</userinput></screen>
130
131 </sect2>
132
133 <sect2 role="commands">
134 <title>Command Explanations</title>
135
136 <para>
137 <option>--without-systemdsystemunitdir</option>:
138 This switch disables installation of
139 <application>Systemd</application> units which are
140 not necesary for BLFS.
141 </para>
142
143 </sect2>
144
145 <sect2 role="configuration">
146 <title>Configuring ALSA Utilities</title>
147
148 <sect3 id="alsa-utils-config">
149 <title>Config Files</title>
150
151 <para>
152 <filename>/var/lib/alsa/asound.state</filename>
153 </para>
154
155 <indexterm zone="alsa-utils alsa-utils-config">
156 <primary sortas="e-var-lib-alsa-asound.state">/var/lib/alsa/asound.state</primary>
157 </indexterm>
158
159 </sect3>
160
161 <sect3 id="alsa-utils-init">
162 <title>Configuration Information</title>
163
164 <para>
165 Use a bootscript to store the values at shutdown.
166 </para>
167
168 <indexterm zone="alsa-utils alsa-utils-init">
169 <primary sortas="f-alsa">alsa</primary>
170 </indexterm>
171
172 <para>
173 As the <systemitem class="username">root</systemitem> user,
174 install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
175 in the <xref linkend="bootscripts"/> package.
176 </para>
177
178<screen role="root"><userinput>make install-alsa</userinput></screen>
179
180 <para>
181 Note that all channels of your sound card are muted by default.
182 You can use the <command>alsamixer</command> program to change
183 this. Use <command>speaker-test</command> to check that your
184 settings have been applied correctly. You should hear
185 <quote>pink noise</quote> on your speakers.
186 </para>
187
188 <para>
189 The <filename>alsactl</filename> program is normally run from a
190 standard <application>udev</application> rule. The first time it
191 is run, it will complain that there is no state in
192 <filename>/var/lib/alsa/asound.state</filename>. You can prevent
193 this by running the following commands as the
194 <systemitem class="username">root</systemitem> user:
195 </para>
196
197<screen role="root"><userinput>touch /var/lib/alsa/asound.state &amp;&amp;
198alsactl store</userinput></screen>
199
200 <para>
201 The volume settings will be restored from the saved state by
202 <application>Udev</application> when the device is detected
203 (during boot or when plugged in for USB devices).
204 </para>
205
206 <para>
207 All sound devices are not accessible for any user except
208 <systemitem class="username">root</systemitem> and members of the
209 <systemitem class="groupname">audio</systemitem> group. Add any
210 users that might use the sound devices to that group:
211 </para>
212
213<screen role="root"><userinput>usermod -a -G audio <replaceable>&lt;username&gt;</replaceable></userinput></screen>
214
215 <note>
216 <para>
217 You may need to log out and back in again to refresh your group
218 memberships. '<command>su <replaceable>&lt;username&gt;</replaceable></command>'
219 should work as well.
220 </para>
221 </note>
222
223 </sect3>
224
225 </sect2>
226
227 <sect2 role="content">
228 <title>Contents</title>
229
230 <segmentedlist>
231 <segtitle>Installed Programs</segtitle>
232 <segtitle>Installed Directory</segtitle>
233
234 <seglistitem>
235 <seg>
236 aconnect, alsaconf, alsactl, alsaloop, alsamixer,
237 alsaucm, amidi, amixer, aplay, aplaymidi, arecord,
238 arecordmidi, aseqdump, aseqnet, iecset and
239 speaker-test
240 </seg>
241 <seg>
242 /usr/share/sounds/alsa and /var/lib/alsa
243 </seg>
244 </seglistitem>
245 </segmentedlist>
246
247 <variablelist>
248 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
249 <?dbfo list-presentation="list"?>
250 <?dbhtml list-presentation="table"?>
251
252 <varlistentry id="aconnect">
253 <term><command>aconnect</command></term>
254 <listitem>
255 <para>
256 is a utility for connecting and disconnecting two
257 existing ports in the ALSA sequencer system.
258 </para>
259 <indexterm zone="alsa-utils aconnect">
260 <primary sortas="b-aconnect">aconnect</primary>
261 </indexterm>
262 </listitem>
263 </varlistentry>
264
265 <varlistentry id="alsaconf">
266 <term><command>alsaconf</command></term>
267 <listitem>
268 <para>
269 is a configuration tool which tries to detect the sound cards
270 on your system and write a suitable configuration file for ALSA.
271 This program is incompatible with Udev.
272 </para>
273 <indexterm zone="alsa-utils alsaconf">
274 <primary sortas="b-alsaconf">alsaconf</primary>
275 </indexterm>
276 </listitem>
277 </varlistentry>
278
279 <varlistentry id="alsactl">
280 <term><command>alsactl</command></term>
281 <listitem>
282 <para>
283 is used to control advanced settings for the
284 ALSA sound card drivers.
285 </para>
286 <indexterm zone="alsa-utils alsactl">
287 <primary sortas="b-alsactl">alsactl</primary>
288 </indexterm>
289 </listitem>
290 </varlistentry>
291
292 <varlistentry id="alsaloop">
293 <term><command>alsaloop</command></term>
294 <listitem>
295 <para>
296 allows creation of a PCM loopback between a PCM capture
297 device and a PCM playback device.
298 </para>
299 <indexterm zone="alsa-utils alsaloop">
300 <primary sortas="b-alsaloop">alsaloop</primary>
301 </indexterm>
302 </listitem>
303 </varlistentry>
304
305 <varlistentry id="alsamixer">
306 <term><command>alsamixer</command></term>
307 <listitem>
308 <para>
309 is an Ncurses based mixer program for use with
310 the ALSA sound card drivers.
311 </para>
312 <indexterm zone="alsa-utils alsamixer">
313 <primary sortas="b-alsamixer">alsamixer</primary>
314 </indexterm>
315 </listitem>
316 </varlistentry>
317
318 <varlistentry id="amidi">
319 <term><command>amidi</command></term>
320 <listitem>
321 <para>
322 is used to read from and write to ALSA
323 RawMIDI ports.
324 </para>
325 <indexterm zone="alsa-utils amidi">
326 <primary sortas="b-amidi">amidi</primary>
327 </indexterm>
328 </listitem>
329 </varlistentry>
330
331 <varlistentry id="amixer">
332 <term><command>amixer</command></term>
333 <listitem>
334 <para> allows command-line control of the mixers for the
335 ALSA sound card drivers.</para>
336 <indexterm zone="alsa-utils amixer">
337 <primary sortas="b-amixer">amixer</primary>
338 </indexterm>
339 </listitem>
340 </varlistentry>
341
342 <varlistentry id="aplay">
343 <term><command>aplay</command></term>
344 <listitem>
345 <para>
346 is a command-line soundfile player for the
347 ALSA sound card drivers.
348 </para>
349 <indexterm zone="alsa-utils aplay">
350 <primary sortas="b-aplay">aplay</primary>
351 </indexterm>
352 </listitem>
353 </varlistentry>
354
355 <varlistentry id="aplaymidi">
356 <term><command>aplaymidi</command></term>
357 <listitem>
358 <para>
359 is a command-line utility that plays the specified
360 MIDI file(s) to one or more ALSA sequencer ports.
361 </para>
362 <indexterm zone="alsa-utils aplaymidi">
363 <primary sortas="b-aplaymidi">aplaymidi</primary>
364 </indexterm>
365 </listitem>
366 </varlistentry>
367
368 <varlistentry id="arecord">
369 <term><command>arecord</command></term>
370 <listitem>
371 <para>
372 is a command-line soundfile recorder for the
373 ALSA sound card drivers.
374 </para>
375 <indexterm zone="alsa-utils arecord">
376 <primary sortas="b-arecord">arecord</primary>
377 </indexterm>
378 </listitem>
379 </varlistentry>
380
381 <varlistentry id="arecordmidi">
382 <term><command>arecordmidi</command></term>
383 <listitem>
384 <para>
385 is a command-line utility that records a standard
386 MIDI file from one or more ALSA sequencer ports.
387 </para>
388 <indexterm zone="alsa-utils arecordmidi">
389 <primary sortas="b-arecordmidi">arecordmidi</primary>
390 </indexterm>
391 </listitem>
392 </varlistentry>
393
394 <varlistentry id="aseqdump">
395 <term><command>aseqdump</command></term>
396 <listitem>
397 <para>
398 is a command-line utility that prints the sequencer events it
399 receives as text.
400 </para>
401 <indexterm zone="alsa-utils aseqdump">
402 <primary sortas="b-aseqdump">aseqdump</primary>
403 </indexterm>
404 </listitem>
405 </varlistentry>
406
407 <varlistentry id="aseqnet">
408 <term><command>aseqnet</command></term>
409 <listitem>
410 <para>
411 is an ALSA sequencer client which sends and
412 receives event packets over a network.
413 </para>
414 <indexterm zone="alsa-utils aseqnet">
415 <primary sortas="b-aseqnet">aseqnet</primary>
416 </indexterm>
417 </listitem>
418 </varlistentry>
419
420 <varlistentry id="iecset">
421 <term><command>iecset</command></term>
422 <listitem>
423 <para>
424 is a small utility to set or dump the IEC958 (or so-called
425 <quote>S/PDIF</quote>) status bits of the specified sound
426 card via the ALSA control API.
427 </para>
428 <indexterm zone="alsa-utils iecset">
429 <primary sortas="b-iecset">iecset</primary>
430 </indexterm>
431 </listitem>
432 </varlistentry>
433
434 <varlistentry id="speaker-test">
435 <term><command>speaker-test</command></term>
436 <listitem>
437 <para>
438 is a command-line speaker test tone generator for ALSA.
439 </para>
440 <indexterm zone="alsa-utils speaker-test">
441 <primary sortas="b-speaker-test">speaker-test</primary>
442 </indexterm>
443 </listitem>
444 </varlistentry>
445
446 </variablelist>
447
448 </sect2>
449
450</sect1>
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