source: multimedia/libdriv/alsa-utils.xml@ 31d2934

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Last change on this file since 31d2934 was 31d2934, checked in by Bruce Dubbs <bdubbs@…>, 11 years ago

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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 "b65e9a04181bd7c9db7667a4566f8dc3">
10 <!ENTITY alsa-utils-size "1.1 MB">
11 <!ENTITY alsa-utils-buildsize "7 MB">
12 <!ENTITY alsa-utils-time "0.2 SBU">
13]>
14
15<sect1 id="alsa-utils" xreflabel="alsa-utils-&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-utils-&alsa-utils-version;</title>
24
25 <indexterm zone="alsa-utils">
26 <primary sortas="a-alsa-utils">alsa-utils</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to ALSA Utilities</title>
31
32 <para>
33 The <application>ALSA Utilities</application> package contains
34 various utilities which are useful for controlling your sound
35 card.
36 </para>
37
38 &lfs74_checked;
39
40 <bridgehead renderas="sect3">Package Information</bridgehead>
41 <itemizedlist spacing="compact">
42 <listitem>
43 <para>
44 Download (HTTP): <ulink url="&alsa-utils-download-http;"/>
45 </para>
46 </listitem>
47 <listitem>
48 <para>
49 Download (FTP): <ulink url="&alsa-utils-download-ftp;"/>
50 </para>
51 </listitem>
52 <listitem>
53 <para>
54 Download MD5 sum: &alsa-utils-md5sum;
55 </para>
56 </listitem>
57 <listitem>
58 <para>
59 Download size: &alsa-utils-size;
60 </para>
61 </listitem>
62 <listitem>
63 <para>
64 Estimated disk space required: &alsa-utils-buildsize;
65 </para>
66 </listitem>
67 <listitem>
68 <para>
69 Estimated build time: &alsa-utils-time;
70 </para>
71 </listitem>
72 </itemizedlist>
73
74 <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
75
76 <bridgehead renderas="sect4">Required</bridgehead>
77 <para role="required">
78 <xref linkend="alsa-lib"/>
79 </para>
80
81 <bridgehead renderas="sect4">Optional</bridgehead>
82 <para role="optional">
83 <xref linkend="libsamplerate"/>,
84 <ulink url="http://hightek.org/dialog/">Dialog</ulink> and
85 <xref linkend="xmlto"/>
86 </para>
87
88 <para condition="html" role="usernotes">User Notes:
89 <ulink url="&blfs-wiki;/alsa-utils"/>
90 </para>
91 </sect2>
92
93 <sect2 role="installation">
94 <title>Installation of ALSA Utilities</title>
95
96 <para>
97 Install <application>ALSA Utilities</application> by
98 running the following commands:
99 </para>
100
101<screen><userinput>./configure --disable-alsaconf --disable-xmlto &amp;&amp;
102make</userinput></screen>
103
104 <para>
105 This package does not come with a test suite.
106 </para>
107
108 <para>
109 Now, as the <systemitem class="username">root</systemitem> user:
110 </para>
111
112<screen role="root"><userinput>make install</userinput></screen>
113
114 </sect2>
115
116 <sect2 role="commands">
117 <title>Command Explanations</title>
118
119 <para>
120 <option>--disable-alsaconf</option>: This switch disables building the
121 <command>alsaconf</command> configuration tool which is incompatible with
122 <application>Udev</application>.
123 </para>
124
125 <para>
126 <option>--disable-xmlto</option>: Omit this switch if you have installed
127 <xref linkend="xmlto"/> and don't wish to install pregenerated man pages.
128 </para>
129
130 </sect2>
131
132 <sect2 role="configuration">
133 <title>Configuring ALSA Utilities</title>
134
135 <sect3 id="alsa-utils-config">
136 <title>Config Files</title>
137
138 <para>
139 <filename>/var/lib/alsa/asound.state</filename>
140 </para>
141
142 <indexterm zone="alsa-utils alsa-utils-config">
143 <primary sortas="e-var-lib-alsa-asound.state">/var/lib/alsa/asound.state</primary>
144 </indexterm>
145
146 </sect3>
147
148 <sect3 id="alsa-utils-init">
149 <title>Configuration Information</title>
150
151 <para>
152 Use a bootscript to store the values at shutdown.
153 </para>
154
155 <indexterm zone="alsa-utils alsa-utils-init">
156 <primary sortas="f-alsa">alsa</primary>
157 </indexterm>
158
159 <para>
160 As the <systemitem class="username">root</systemitem> user,
161 install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
162 in the <xref linkend="bootscripts"/> package.
163 </para>
164
165<screen role="root"><userinput>make install-alsa</userinput></screen>
166
167 <para>
168 Note that all channels of your sound card are muted by default.
169 You can use the <command>alsamixer</command> program to change
170 this. Use <command>speaker-test</command> to check that your
171 settings have been applied correctly. You should hear
172 <quote>pink noise</quote> on your speakers.
173 </para>
174
175 <para>
176 The <filename>alsactl</filename> program is normally run from a
177 standard <application>udev</application> rule. The first time it
178 is run, it will complain that there is no state in
179 <filename>/var/lib/alsa/asound.state</filename>. You can prevent
180 this by running the following commands as the
181 <systemitem class="username">root</systemitem> user:
182 </para>
183
184<screen role="root"><userinput>touch /var/lib/alsa/asound.state &amp;&amp;
185alsactl store</userinput></screen>
186
187 <para>
188 The volume settings will be restored from the saved state by
189 <application>Udev</application> when the device is detected
190 (during boot or when plugged in for USB devices).
191 </para>
192
193 <para>
194 All sound devices are not accessible for any user except
195 <systemitem class="username">root</systemitem> and members of the
196 <systemitem class="groupname">audio</systemitem> group. Add any
197 users that might use the sound devices to that group:
198 </para>
199
200<screen role="root"><userinput>usermod -a -G audio <replaceable>&lt;username&gt;</replaceable></userinput></screen>
201
202 <note>
203 <para>
204 You may need to log out and back in again to refresh your group
205 memberships. '<command>su <replaceable>&lt;username&gt;</replaceable></command>'
206 should work as well.
207 </para>
208 </note>
209
210 </sect3>
211
212 </sect2>
213
214 <sect2 role="content">
215 <title>Contents</title>
216
217 <segmentedlist>
218 <segtitle>Installed Programs</segtitle>
219 <segtitle>Installed Libraries</segtitle>
220 <segtitle>Installed Directories</segtitle>
221
222 <seglistitem>
223 <seg>
224 aconnect, alsactl, alsaloop, alsamixer,
225 alsaucm, amidi, amixer, aplay, aplaymidi, arecord,
226 arecordmidi, aseqdump, aseqnet, iecset and
227 speaker-test
228 </seg>
229 <seg>
230 None
231 </seg>
232 <seg>
233 /usr/share/sounds/alsa and /var/lib/alsa
234 </seg>
235 </seglistitem>
236 </segmentedlist>
237
238 <variablelist>
239 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
240 <?dbfo list-presentation="list"?>
241 <?dbhtml list-presentation="table"?>
242
243 <varlistentry id="aconnect">
244 <term><command>aconnect</command></term>
245 <listitem>
246 <para>
247 is a utility for connecting and disconnecting two
248 existing ports in the ALSA sequencer system.
249 </para>
250 <indexterm zone="alsa-utils aconnect">
251 <primary sortas="b-aconnect">aconnect</primary>
252 </indexterm>
253 </listitem>
254 </varlistentry>
255
256 <varlistentry id="alsactl">
257 <term><command>alsactl</command></term>
258 <listitem>
259 <para>
260 is used to control advanced settings for the
261 ALSA sound card drivers.
262 </para>
263 <indexterm zone="alsa-utils alsactl">
264 <primary sortas="b-alsactl">alsactl</primary>
265 </indexterm>
266 </listitem>
267 </varlistentry>
268
269 <varlistentry id="alsaloop">
270 <term><command>alsaloop</command></term>
271 <listitem>
272 <para>
273 allows creation of a PCM loopback between a PCM capture
274 device and a PCM playback device.
275 </para>
276 <indexterm zone="alsa-utils alsaloop">
277 <primary sortas="b-alsaloop">alsaloop</primary>
278 </indexterm>
279 </listitem>
280 </varlistentry>
281
282 <varlistentry id="alsamixer">
283 <term><command>alsamixer</command></term>
284 <listitem>
285 <para>
286 is an Ncurses based mixer program for use with
287 the ALSA sound card drivers.
288 </para>
289 <indexterm zone="alsa-utils alsamixer">
290 <primary sortas="b-alsamixer">alsamixer</primary>
291 </indexterm>
292 </listitem>
293 </varlistentry>
294
295 <varlistentry id="amidi">
296 <term><command>amidi</command></term>
297 <listitem>
298 <para>
299 is used to read from and write to ALSA
300 RawMIDI ports.
301 </para>
302 <indexterm zone="alsa-utils amidi">
303 <primary sortas="b-amidi">amidi</primary>
304 </indexterm>
305 </listitem>
306 </varlistentry>
307
308 <varlistentry id="amixer">
309 <term><command>amixer</command></term>
310 <listitem>
311 <para> allows command-line control of the mixers for the
312 ALSA sound card drivers.</para>
313 <indexterm zone="alsa-utils amixer">
314 <primary sortas="b-amixer">amixer</primary>
315 </indexterm>
316 </listitem>
317 </varlistentry>
318
319 <varlistentry id="aplay">
320 <term><command>aplay</command></term>
321 <listitem>
322 <para>
323 is a command-line soundfile player for the
324 ALSA sound card drivers.
325 </para>
326 <indexterm zone="alsa-utils aplay">
327 <primary sortas="b-aplay">aplay</primary>
328 </indexterm>
329 </listitem>
330 </varlistentry>
331
332 <varlistentry id="aplaymidi">
333 <term><command>aplaymidi</command></term>
334 <listitem>
335 <para>
336 is a command-line utility that plays the specified
337 MIDI file(s) to one or more ALSA sequencer ports.
338 </para>
339 <indexterm zone="alsa-utils aplaymidi">
340 <primary sortas="b-aplaymidi">aplaymidi</primary>
341 </indexterm>
342 </listitem>
343 </varlistentry>
344
345 <varlistentry id="arecord">
346 <term><command>arecord</command></term>
347 <listitem>
348 <para>
349 is a command-line soundfile recorder for the
350 ALSA sound card drivers.
351 </para>
352 <indexterm zone="alsa-utils arecord">
353 <primary sortas="b-arecord">arecord</primary>
354 </indexterm>
355 </listitem>
356 </varlistentry>
357
358 <varlistentry id="arecordmidi">
359 <term><command>arecordmidi</command></term>
360 <listitem>
361 <para>
362 is a command-line utility that records a standard
363 MIDI file from one or more ALSA sequencer ports.
364 </para>
365 <indexterm zone="alsa-utils arecordmidi">
366 <primary sortas="b-arecordmidi">arecordmidi</primary>
367 </indexterm>
368 </listitem>
369 </varlistentry>
370
371 <varlistentry id="aseqdump">
372 <term><command>aseqdump</command></term>
373 <listitem>
374 <para>
375 is a command-line utility that prints the sequencer events it
376 receives as text.
377 </para>
378 <indexterm zone="alsa-utils aseqdump">
379 <primary sortas="b-aseqdump">aseqdump</primary>
380 </indexterm>
381 </listitem>
382 </varlistentry>
383
384 <varlistentry id="aseqnet">
385 <term><command>aseqnet</command></term>
386 <listitem>
387 <para>
388 is an ALSA sequencer client which sends and
389 receives event packets over a network.
390 </para>
391 <indexterm zone="alsa-utils aseqnet">
392 <primary sortas="b-aseqnet">aseqnet</primary>
393 </indexterm>
394 </listitem>
395 </varlistentry>
396
397 <varlistentry id="iecset">
398 <term><command>iecset</command></term>
399 <listitem>
400 <para>
401 is a small utility to set or dump the IEC958 (or so-called
402 <quote>S/PDIF</quote>) status bits of the specified sound
403 card via the ALSA control API.
404 </para>
405 <indexterm zone="alsa-utils iecset">
406 <primary sortas="b-iecset">iecset</primary>
407 </indexterm>
408 </listitem>
409 </varlistentry>
410
411 <varlistentry id="speaker-test">
412 <term><command>speaker-test</command></term>
413 <listitem>
414 <para>
415 is a command-line speaker test tone generator for ALSA.
416 </para>
417 <indexterm zone="alsa-utils speaker-test">
418 <primary sortas="b-speaker-test">speaker-test</primary>
419 </indexterm>
420 </listitem>
421 </varlistentry>
422
423 </variablelist>
424
425 </sect2>
426
427</sect1>
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