[57e86a93] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[6732c094] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[48b7295] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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[73942e6] | 6 |
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[a78200c] | 7 | <!ENTITY alsa-lib-download-http " ">
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[48b7295] | 8 | <!ENTITY alsa-lib-download-ftp "&alsa-download-ftp;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
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[20668f3] | 9 | <!ENTITY alsa-lib-md5sum "824082c6b2e341500902973dcc47d2e9">
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| 10 | <!ENTITY alsa-lib-size "952 KB">
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| 11 | <!ENTITY alsa-lib-buildsize "31 MB (with tests and docs)">
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[c6a7c9f1] | 12 | <!ENTITY alsa-lib-time "0.3 SBU (with tests and docs)">
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[48b7295] | 13 | ]>
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[73942e6] | 14 |
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[a027d7d3] | 15 | <sect1 id="alsa-lib" xreflabel="alsa-lib-&alsa-lib-version;">
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[57e86a93] | 16 | <?dbhtml filename="alsa-lib.html"?>
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[48b7295] | 17 |
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[57e86a93] | 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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[48b7295] | 22 |
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[a027d7d3] | 23 | <title>alsa-lib-&alsa-lib-version;</title>
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[48b7295] | 24 |
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[57e86a93] | 25 | <indexterm zone="alsa-lib">
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[0d50cca] | 26 | <primary sortas="a-alsa-lib">alsa-lib</primary>
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[57e86a93] | 27 | </indexterm>
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[48b7295] | 28 |
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[57e86a93] | 29 | <sect2 role="package">
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| 30 | <title>Introduction to ALSA Library</title>
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[48b7295] | 31 |
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[0d50cca] | 32 | <para>
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| 33 | The <application>ALSA Library</application> package contains
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| 34 | the ALSA library used by programs (including <application>ALSA
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| 35 | Utilities</application>) requiring access to the ALSA sound
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| 36 | interface.
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| 37 | </para>
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[48b7295] | 38 |
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[747db59e] | 39 | &lfs80_checked;
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[20668f3] | 40 | &gcc7_checked;
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[831c11e4] | 41 |
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[57e86a93] | 42 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 43 | <itemizedlist spacing="compact">
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| 44 | <listitem>
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[0d50cca] | 45 | <para>
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| 46 | Download (HTTP): <ulink url="&alsa-lib-download-http;"/>
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| 47 | </para>
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[57e86a93] | 48 | </listitem>
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| 49 | <listitem>
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[0d50cca] | 50 | <para>
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| 51 | Download (FTP): <ulink url="&alsa-lib-download-ftp;"/>
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| 52 | </para>
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[57e86a93] | 53 | </listitem>
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| 54 | <listitem>
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[0d50cca] | 55 | <para>
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| 56 | Download MD5 sum: &alsa-lib-md5sum;
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| 57 | </para>
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[57e86a93] | 58 | </listitem>
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| 59 | <listitem>
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[0d50cca] | 60 | <para>
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| 61 | Download size: &alsa-lib-size;
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| 62 | </para>
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[57e86a93] | 63 | </listitem>
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| 64 | <listitem>
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[0d50cca] | 65 | <para>
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| 66 | Estimated disk space required: &alsa-lib-buildsize;
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| 67 | </para>
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[57e86a93] | 68 | </listitem>
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| 69 | <listitem>
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[0d50cca] | 70 | <para>
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| 71 | Estimated build time: &alsa-lib-time;
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| 72 | </para>
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[57e86a93] | 73 | </listitem>
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| 74 | </itemizedlist>
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[efa108a6] | 75 |
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[57e86a93] | 76 | <bridgehead renderas="sect3">ALSA Library Dependencies</bridgehead>
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[48b7295] | 77 |
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[57e86a93] | 78 | <bridgehead renderas="sect4">Optional</bridgehead>
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[0d50cca] | 79 | <para role="optional">
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| 80 | <xref linkend="doxygen"/> and
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[f3429309] | 81 | <xref linkend="python2"/>
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[0d50cca] | 82 | </para>
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[48b7295] | 83 |
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[0e2aa08] | 84 | <para condition="html" role="usernotes">User Notes:
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[0d50cca] | 85 | <ulink url="&blfs-wiki;/alsa-lib"/>
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| 86 | </para>
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[57e86a93] | 87 | </sect2>
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[48b7295] | 88 |
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[57e86a93] | 89 | <sect2 role="kernel" id="alsa-lib-kernel">
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| 90 | <title>Kernel Configuration</title>
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[48b7295] | 91 |
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[35e960fb] | 92 | <para>
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[f3429309] | 93 | If needed, enable the following options in the kernel
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| 94 | configuration and recompile the kernel:
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[35e960fb] | 95 | </para>
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| 96 |
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| 97 | <screen><literal>Device Drivers --->
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[421128a1] | 98 | <*/m> Sound card support ---> [CONFIG_SOUND]
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| 99 | <*/m> Advanced Linux Sound Architecture ---> [CONFIG_SND]
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[35e960fb] | 100 | Select settings and drivers appropriate for your hardware.
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[421128a1] | 101 | < > Open Sound System (DEPRECATED) [CONFIG_SOUND_PRIME]</literal></screen>
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[35e960fb] | 102 |
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[0d50cca] | 103 | <para>
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| 104 | In the Device Drivers ⇒ Sound card support ⇒ Advanced Linux
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| 105 | Sound Architecture section of the kernel configuration, select the settings
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| 106 | and drivers appropriate for your hardware. Ensure that the deprecated Device
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| 107 | Drivers ⇒ Sound card support ⇒ Open Sound System is
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| 108 | <emphasis>not</emphasis> selected. If necessary, recompile and install your
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| 109 | new kernel.
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| 110 | </para>
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[ac789c0] | 111 |
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[57e86a93] | 112 | <indexterm zone="alsa-lib alsa-lib-kernel">
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| 113 | <primary sortas="d-ALSA">ALSA</primary>
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| 114 | </indexterm>
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[ac789c0] | 115 |
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[57e86a93] | 116 | </sect2>
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[ac789c0] | 117 |
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[57e86a93] | 118 | <sect2 role="installation">
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| 119 | <title>Installation of ALSA Library</title>
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[48b7295] | 120 |
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[0d50cca] | 121 | <para>
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| 122 | Install <application>ALSA Library</application> by
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| 123 | running the following commands:
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| 124 | </para>
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[57e86a93] | 125 |
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[09bed9e5] | 126 | <screen><userinput>./configure &&
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[57e86a93] | 127 | make</userinput></screen>
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| 128 |
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[17833b00] | 129 | <para>
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| 130 | If you have <application>Doxygen</application> installed and you wish to
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| 131 | build the library API documentation, run the following
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| 132 | commands from the top-level directory of the source tree:
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| 133 | </para>
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| 134 |
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| 135 | <screen><userinput>make doc</userinput></screen>
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| 136 |
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[0d50cca] | 137 | <para>
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[09bed9e5] | 138 | To test the results, issue: <command>make check</command>.
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[0d50cca] | 139 | </para>
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[57e86a93] | 140 |
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[0d50cca] | 141 | <para>
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| 142 | Now, as the <systemitem class="username">root</systemitem> user:
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| 143 | </para>
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[57e86a93] | 144 |
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[0d50cca] | 145 | <screen role="root"><userinput>make install</userinput></screen>
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[57e86a93] | 146 |
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[0d50cca] | 147 | <para>
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| 148 | To install the API documentation, run the following command as
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| 149 | the <systemitem class="username">root</systemitem> user:
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| 150 | </para>
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[57e86a93] | 151 |
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[4c70ad3e] | 152 | <screen role="root"><userinput>install -v -d -m755 /usr/share/doc/alsa-lib-&alsa-lib-version;/html/search &&
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| 153 | install -v -m644 doc/doxygen/html/*.* \
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| 154 | /usr/share/doc/alsa-lib-&alsa-lib-version;/html &&
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| 155 | install -v -m644 doc/doxygen/html/search/* \
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| 156 | /usr/share/doc/alsa-lib-&alsa-lib-version;/html/search</userinput></screen>
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[57e86a93] | 157 |
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| 158 | </sect2>
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| 159 |
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| 160 | <sect2 role="configuration">
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| 161 | <title>Configuring ALSA Library</title>
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| 162 |
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| 163 | <sect3 id="alsa-lib-config">
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| 164 | <title>Config Files</title>
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| 165 |
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[0d50cca] | 166 | <para>
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| 167 | <filename>~/.asoundrc</filename> and
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| 168 | <filename>/etc/asound.conf</filename>
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| 169 | </para>
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[57e86a93] | 170 |
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| 171 | <indexterm zone="alsa-lib alsa-lib-config">
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| 172 | <primary sortas="e-AA.asoundrc">~/.asoundrc</primary>
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| 173 | </indexterm>
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| 174 |
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| 175 | <indexterm zone="alsa-lib alsa-lib-config">
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| 176 | <primary sortas="e-etc-asound.conf">/etc/asound.conf</primary>
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| 177 | </indexterm>
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| 178 |
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| 179 | </sect3>
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| 180 |
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| 181 | <sect3>
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| 182 | <title>Configuration Information</title>
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| 183 |
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[0d50cca] | 184 | <para>
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| 185 | The default <filename>alsa.conf</filename> is adequate for most
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| 186 | installations. For extra functionality and/or advanced control of your
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| 187 | sound device, you may need to create additional configuration files.
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| 188 | For information on the available configuration parameters, visit
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[a754ee2b] | 189 | <ulink url="http://www.alsa-project.org/main/index.php/Asoundrc"/>.
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[0d50cca] | 190 | </para>
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[57e86a93] | 191 |
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| 192 | </sect3>
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| 193 |
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| 194 | </sect2>
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| 195 |
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| 196 | <sect2 role="content">
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| 197 | <title>Contents</title>
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| 198 |
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| 199 | <segmentedlist>
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[831c11e4] | 200 | <segtitle>Installed Program</segtitle>
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[0d50cca] | 201 | <segtitle>Installed Library</segtitle>
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[57e86a93] | 202 | <segtitle>Installed Directories</segtitle>
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| 203 |
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| 204 | <seglistitem>
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[0d50cca] | 205 | <seg>
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| 206 | aserver
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| 207 | </seg>
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| 208 | <seg>
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[ccaf22e] | 209 | libasound.so and four others under /usr/lib/alsa-lib/smixer
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[0d50cca] | 210 | </seg>
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| 211 | <seg>
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| 212 | /usr/include/alsa,
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| 213 | /usr/lib/alsa-lib,
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| 214 | /usr/share/alsa and
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[0c7d410] | 215 | /usr/share/doc/alsa-lib-&alsa-lib-version;
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| 216 | </seg>
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[57e86a93] | 217 | </seglistitem>
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| 218 | </segmentedlist>
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| 219 |
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| 220 | <variablelist>
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| 221 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 222 | <?dbfo list-presentation="list"?>
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| 223 | <?dbhtml list-presentation="table"?>
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| 224 |
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[17ad62a4] | 225 | <varlistentry id="aserver">
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| 226 | <term><command>aserver</command></term>
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| 227 | <listitem>
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[0d50cca] | 228 | <para>
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| 229 | is the ALSA server.
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| 230 | </para>
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[17ad62a4] | 231 | <indexterm zone="alsa-lib aserver">
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| 232 | <primary sortas="b-aserver">aserver</primary>
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| 233 | </indexterm>
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| 234 | </listitem>
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| 235 | </varlistentry>
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| 236 |
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[57e86a93] | 237 | <varlistentry id="libasound">
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[0d50cca] | 238 | <term><filename class="libraryfile">libasound.so</filename></term>
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[57e86a93] | 239 | <listitem>
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[0d50cca] | 240 | <para>
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| 241 | contains the ALSA API functions.
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| 242 | </para>
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[57e86a93] | 243 | <indexterm zone="alsa-lib libasound">
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[0d50cca] | 244 | <primary sortas="c-libasound">libasound.so</primary>
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[7ffd4d7] | 245 | </indexterm>
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| 246 | </listitem>
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| 247 | </varlistentry>
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| 248 |
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[57e86a93] | 249 | </variablelist>
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| 250 |
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| 251 | </sect2>
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[48b7295] | 252 |
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| 253 | </sect1>
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