1 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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2 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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3 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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4 | %general-entities;
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5 |
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6 | <!ENTITY alsa-lib-download-http "&alsa-download-http;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
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7 | <!ENTITY alsa-lib-download-ftp "&alsa-download-ftp;/lib/alsa-lib-&alsa-lib-version;.tar.bz2">
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8 | <!ENTITY alsa-lib-md5sum "c677299ed39d069c9a4b6a999e34ffe7">
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9 | <!ENTITY alsa-lib-size "682 KB">
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10 | <!ENTITY alsa-lib-buildsize "34.2 MB (additional 11.4 MB to build and install docs)">
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11 | <!ENTITY alsa-lib-time "0.56 SBU">
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12 | ]>
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13 |
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14 | <sect1 id="alsa-lib" xreflabel="ALSA Library-&alsa-lib-version;">
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15 | <sect1info>
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16 | <othername>$LastChangedBy$</othername>
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17 | <date>$Date$</date>
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18 | </sect1info>
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19 | <?dbhtml filename="alsa-lib.html"?>
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20 | <title>ALSA Library-&alsa-lib-version;</title>
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21 | <indexterm zone="alsa-lib">
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22 | <primary sortas="a-ALSA-Library">ALSA Library</primary></indexterm>
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23 |
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24 | <sect2>
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25 | <title>Introduction to <application><acronym>ALSA</acronym>
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26 | Library</application></title>
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27 |
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28 | <para>The <application><acronym>ALSA</acronym> Library</application> package
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29 | contains the <acronym>ALSA</acronym> library. This is used by programs
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30 | (including <application><acronym>ALSA</acronym> Utilities</application>)
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31 | requiring access to the <acronym>ALSA</acronym> sound interface.</para>
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32 |
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33 | <sect3><title>Package information</title>
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34 | <itemizedlist spacing='compact'>
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35 | <listitem><para>Download (HTTP):
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36 | <ulink url="&alsa-lib-download-http;"/></para></listitem>
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37 | <listitem><para>Download (FTP):
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38 | <ulink url="&alsa-lib-download-ftp;"/></para></listitem>
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39 | <listitem><para>Download MD5 sum: &alsa-lib-md5sum;</para></listitem>
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40 | <listitem><para>Download size: &alsa-lib-size;</para></listitem>
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41 | <listitem><para>Estimated disk space required:
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42 | &alsa-lib-buildsize;</para></listitem>
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43 | <listitem><para>Estimated build time:
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44 | &alsa-lib-time;</para></listitem></itemizedlist>
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45 | </sect3>
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46 |
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47 | <sect3><title><application><acronym>ALSA</acronym> Library</application>
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48 | dependencies</title>
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49 | <sect4><title>Optional</title>
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50 | <para><ulink url="http://jackit.sourceforge.net/">JACK</ulink> and
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51 | <xref linkend="doxygen"/></para>
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52 | </sect4>
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53 | </sect3>
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54 |
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55 | </sect2>
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56 |
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57 | <sect2 id="alsa-lib-kernel">
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58 | <title>Installation of <application><acronym>ALSA</acronym>
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59 | Library</application>
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60 | </title>
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61 |
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62 | <para>In the <quote>Sound</quote> section of the kernel configuration, edit
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63 | <userinput>Advanced Linux Sound Architecture</userinput> options to match your
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64 | audio hardware and disable deprecated <userinput>Open Sound System</userinput>.
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65 | Recompile and install your new kernel.</para>
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66 | <indexterm zone="alsa-lib alsa-lib-kernel">
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67 | <primary sortas="d-ALSA">ALSA</primary></indexterm>
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68 |
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69 | <para>Install <application><acronym>ALSA</acronym> Library</application> by
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70 | running the following commands:</para>
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71 |
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72 | <screen><userinput><command>./configure --enable-static &&
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73 | make</command></userinput></screen>
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74 |
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75 | <para>To test the results, issue: <command>make check</command>.</para>
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76 |
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77 | <para>Now, as the root user:</para>
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78 |
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79 | <screen><userinput role='root'><command>make install</command></userinput></screen>
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80 |
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81 | <para>If you have <application><acronym>JACK</acronym></application> installed
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82 | and you wish to build the <application><acronym>JACK</acronym></application>
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83 | <acronym>PCM</acronym> plugin library, run the following commands:</para>
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84 |
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85 | <screen><userinput><command>cd src/pcm/ext &&
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86 | make jack</command></userinput></screen>
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87 |
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88 | <para>Now, as the root user:</para>
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89 |
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90 | <screen><userinput role='root'><command>make install-jack</command></userinput></screen>
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91 |
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92 | <para>Ensure the unprivileged user's current working directory is the root of
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93 | the source tree:</para>
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94 |
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95 | <screen><userinput><command>cd ../../..</command></userinput></screen>
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96 |
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97 | <para>If you have <application>Doxygen</application> installed and you wish to
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98 | build the library <acronym>API</acronym> documentation, run the following
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99 | commands from the top-level directory of the source tree:</para>
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100 |
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101 | <screen><userinput><command>make doc</command></userinput></screen>
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102 |
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103 | <para>Now, as the root user:</para>
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104 |
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105 | <screen><userinput role='root'><command>install -v -d -m755 /usr/share/alsa/doc/html &&
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106 | install -v -m644 doc/doxygen/html/* /usr/share/alsa/doc/html</command></userinput></screen>
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107 |
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108 | </sect2>
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109 |
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110 | <sect2>
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111 | <title>Command explanations</title>
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112 |
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113 | <para><parameter>--enable-static</parameter>: This switch is used to enable
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114 | building the static library because some programs link against it.</para>
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115 |
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116 | </sect2>
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117 |
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118 | <sect2>
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119 | <title>Configuring <application><acronym>ALSA</acronym>
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120 | Library</application></title>
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121 |
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122 | <sect3 id="alsa-lib-config"><title>Config files</title>
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123 | <para><filename>~/.asoundrc</filename>,
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124 | <filename>/etc/asound.conf</filename>,
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125 | <filename>/usr/share/alsa/alsa.conf</filename> and
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126 | <filename>/usr/share/alsa/{cards,pcm}/*.conf</filename></para>
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127 |
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128 | <indexterm zone="alsa-lib alsa-lib-config">
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129 | <primary sortas="e-AA.asoundrc">~/.asoundrc</primary>
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130 | </indexterm>
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131 |
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132 | <indexterm zone="alsa-lib alsa-lib-config">
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133 | <primary sortas="e-etc-asound.conf">/etc/asound.conf</primary>
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134 | </indexterm>
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135 |
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136 | <indexterm zone="alsa-lib alsa-lib-config">
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137 | <primary sortas="e-usr-share-alsa-alsa.conf">/usr/share/alsa/alsa.conf</primary>
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138 | </indexterm>
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139 |
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140 | <indexterm zone="alsa-lib alsa-lib-config">
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141 | <primary sortas="e-usr-share-alsa-alsa1">.../alsa/{cards,pcm}/*.conf</primary>
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142 | </indexterm>
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143 | </sect3>
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144 |
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145 | <sect3><title>Configuration information</title>
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146 | <para>The default <filename>alsa.conf</filename> is adequate for most
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147 | installations. For extra functionality and/or advanced control of your sound
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148 | device, you may need to create additional configuration files. For
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149 | information on the available configuration parameters, including setup of the
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150 | <application><acronym>JACK</acronym></application> <acronym>PCM</acronym>
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151 | plugin, visit <ulink
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152 | url="http://www.alsa-project.org/alsa-doc/doc-php/asoundrc.php"/>.</para>
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153 | </sect3>
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154 |
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155 | </sect2>
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156 |
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157 | <sect2>
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158 | <title>Contents</title>
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159 |
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160 | <segmentedlist>
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161 | <segtitle>Installed Programs</segtitle>
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162 | <segtitle>Installed Libraries</segtitle>
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163 | <segtitle>Installed Directories</segtitle>
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164 |
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165 | <seglistitem>
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166 | <seg>alsalisp and aserver</seg>
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167 | <seg>libasound.[so,a] and optionally, libasound_module_pcm_jack.[so,a]</seg>
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168 | <seg>/usr/include/alsa, /usr/lib/alsa-lib, /usr/share/alsa</seg>
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169 | </seglistitem>
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170 | </segmentedlist>
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171 |
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172 | <variablelist>
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173 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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174 | <?dbfo list-presentation="list"?>
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175 |
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176 | <varlistentry id="libasound">
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177 | <term><filename class='libraryfile'>libasound.[so,a]</filename></term>
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178 | <listitem><para>provides <acronym>ALSA</acronym> functions for application
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179 | programs.</para>
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180 | <indexterm zone="alsa-lib libasound">
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181 | <primary sortas="c-libasound">libasound.[so,a]</primary>
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182 | </indexterm></listitem>
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183 | </varlistentry>
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184 | </variablelist>
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185 |
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186 | </sect2>
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187 |
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188 | </sect1>
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