1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY pulseaudio-download-http
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8 | "https://www.freedesktop.org/software/pulseaudio/releases/pulseaudio-&pulseaudio-version;.tar.xz">
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9 | <!ENTITY pulseaudio-download-ftp " ">
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10 | <!ENTITY pulseaudio-md5sum "bb888e7747b778c1c487c63b582ddf40">
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11 | <!ENTITY pulseaudio-size "1.5 MB">
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12 | <!ENTITY pulseaudio-buildsize "49 MB (add 1 MB for tests)">
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13 | <!ENTITY pulseaudio-time "0.2 SBU (Using parallelism=4; add 0.2 SBU for tests)">
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14 | ]>
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15 |
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16 | <sect1 id="pulseaudio" xreflabel="PulseAudio-&pulseaudio-version;">
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17 | <?dbhtml filename="pulseaudio.html"?>
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18 |
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19 | <sect1info>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>PulseAudio-&pulseaudio-version;</title>
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24 |
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25 | <indexterm zone="pulseaudio">
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26 | <primary sortas="a-PulseAudio">PulseAudio</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to PulseAudio</title>
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31 |
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32 | <para>
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33 | <application>PulseAudio</application> is a sound system for POSIX OSes,
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34 | meaning that it is a proxy for sound applications. It allows you to do
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35 | advanced operations on your sound data as it passes between your
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36 | application and your hardware. Things like transferring the audio to a
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37 | different machine, changing the sample format or channel count and mixing
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38 | several sounds into one are easily achieved using a sound server.
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39 | </para>
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40 |
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41 | &lfs110a_checked;
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42 |
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43 | <bridgehead renderas="sect3">Package Information</bridgehead>
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44 | <itemizedlist spacing="compact">
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45 | <listitem>
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46 | <para>
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47 | Download (HTTP): <ulink url="&pulseaudio-download-http;"/>
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48 | </para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>
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52 | Download (FTP): <ulink url="&pulseaudio-download-ftp;"/>
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53 | </para>
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54 | </listitem>
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55 | <listitem>
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56 | <para>
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57 | Download MD5 sum: &pulseaudio-md5sum;
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58 | </para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>
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62 | Download size: &pulseaudio-size;
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63 | </para>
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64 | </listitem>
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65 | <listitem>
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66 | <para>
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67 | Estimated disk space required: &pulseaudio-buildsize;
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68 | </para>
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69 | </listitem>
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70 | <listitem>
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71 | <para>
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72 | Estimated build time: &pulseaudio-time;
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73 | </para>
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74 | </listitem>
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75 | </itemizedlist>
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76 |
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77 | <bridgehead renderas="sect3">PulseAudio Dependencies</bridgehead>
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78 |
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79 | <bridgehead renderas="sect4">Required</bridgehead>
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80 | <para role="required">
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81 | <xref linkend="libsndfile"/>
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82 | </para>
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83 |
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84 | <bridgehead renderas="sect4">Recommended</bridgehead>
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85 | <para role="recommended">
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86 | <xref linkend="alsa-lib"/>,
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87 | <xref linkend="dbus"/>,
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88 | <phrase revision="sysv"><xref linkend="elogind"/>,</phrase>
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89 | <xref linkend="glib2"/>,
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90 | <xref linkend="libcap-pam"/>,
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91 | <xref linkend="speex"/> and
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92 | <xref linkend="xorg7-lib"/>
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93 | </para>
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94 |
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95 | <bridgehead renderas="sect4">Optional</bridgehead>
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96 | <para role="optional">
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97 | <xref linkend="avahi"/>,
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98 | <xref linkend="bluez"/>,
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99 | <xref linkend="doxygen"/> (for documentation),
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100 | <xref linkend="fftw"/>,
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101 | <xref linkend="gtk3"/>,
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102 | <xref linkend="libsamplerate"/>,
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103 | <xref linkend="sbc"/> (Bluetooth support),
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104 | <xref linkend="valgrind"/>,
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105 | <ulink url="http://www.jackaudio.org/">JACK</ulink>,
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106 | <ulink url="http://0pointer.de/lennart/projects/libasyncns/">libasyncns</ulink>,
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107 | <ulink url="http://www.lirc.org/">LIRC</ulink>,
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108 | <ulink url="http://gstreamer.freedesktop.org/src/orc/">ORC</ulink>,
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109 | <ulink url="https://sourceforge.net/projects/soxr/">soxr</ulink>,
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110 | <ulink url="http://tdb.samba.org/">TDB</ulink>, and
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111 | <ulink url="http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/">
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112 | WebRTC AudioProcessing</ulink>
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113 | <!--<ulink url="http://www.xenproject.org/">XEN</ulink>-->
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114 | </para>
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115 |
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116 | <para condition="html" role="usernotes">User Notes:
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117 | <ulink url="&blfs-wiki;/pulseaudio"/>
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118 | </para>
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119 | </sect2>
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120 |
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121 | <sect2 role="installation">
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122 | <title>Installation of PulseAudio</title>
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123 | <!--
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124 | <para>
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125 | If <xref linkend="doxygen"/> is not installed, workaround a building
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126 | issue because of the changes in meson-0.57.2:
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127 | </para>
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128 |
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129 | <screen><userinput>sed '/doxygen/d' -i meson.build</userinput></screen>
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130 | -->
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131 | <para>
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132 | Install <application>PulseAudio</application> by running the following
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133 | commands:
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134 | </para>
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135 | <!--
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136 | <screen revision="sysv"><userinput>./configure - -prefix=/usr \
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137 | - -sysconfdir=/etc \
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138 | - -localstatedir=/var \
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139 | - -disable-bluez5 \
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140 | - -disable-rpath \
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141 | - -with-systemduserunitdir=no &&
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142 | make</userinput></screen>
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143 |
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144 | <screen revision="systemd"><userinput>./configure - -prefix=/usr \
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145 | - -sysconfdir=/etc \
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146 | - -localstatedir=/var \
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147 | - -disable-bluez5 \
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148 | - -disable-rpath &&
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149 | make</userinput></screen>
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150 | -->
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151 |
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152 | <screen><userinput>mkdir build &&
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153 | cd build &&
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154 |
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155 | meson --prefix=/usr \
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156 | --buildtype=release \
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157 | -Ddatabase=gdbm \
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158 | -Ddoxygen=false \
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159 | -Dbluez5=disabled &&
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160 | ninja</userinput></screen>
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161 |
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162 | <para>
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163 | To test the results, issue: <command>ninja test</command>. One test
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164 | fails if the tests are not run as the root user, but this can be ignored.
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165 | </para>
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166 |
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167 | <para>
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168 | Now, as the <systemitem class="username">root</systemitem> user:
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169 | </para>
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170 |
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171 | <screen role="root"><userinput>ninja install</userinput></screen>
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172 |
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173 | <!-- http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/ -->
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174 | <para>Running PulseAudio as a system-wide daemon is possible but not
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175 | recommended. See <ulink
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176 | url="https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/"/>
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177 | for more information.
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178 | While still as the <systemitem class="username">root</systemitem>
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179 | user, remove the <application>D-Bus</application> configuration file
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180 | for the system wide daemon to avoid creating unnecessary system
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181 | users and groups:
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182 | </para>
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183 |
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184 | <screen role="root"><userinput>rm -fv /etc/dbus-1/system.d/pulseaudio-system.conf</userinput></screen>
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185 |
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186 | </sect2>
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187 | <sect2 role="commands">
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188 | <title>Command Explanations</title>
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189 |
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190 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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191 | href="../../xincludes/meson-buildtype-release.xml"/>
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192 |
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193 | <para>
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194 | <parameter>-Dbluez5=disabled</parameter>: This switch prevents
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195 | a runtime error if <xref linkend="dbus"/> and <xref linkend="sbc"/>
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196 | are both installed but <xref linkend="bluez"/> is not installed.
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197 | Remove this if you have installed all three packages.
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198 | </para>
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199 |
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200 | <para>
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201 | <parameter>-Ddoxygen=false</parameter>: This allows the package to
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202 | compile if <xref linkend="doxygen"/> is not installed. Remove this
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203 | if you have installed this and wish to build the documentation.
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204 | </para>
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205 | <!--
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206 | <para>
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207 | <parameter>- -disable-rpath</parameter>: This switch prevents
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208 | linker from adding a hardcoded runtime path to the installed
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209 | programs and libraries.
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210 | </para>-->
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211 |
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212 | </sect2>
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213 | <sect2 role="configuration">
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214 | <title>Configuring PulseAudio</title>
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215 |
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216 | <sect3 id="pulseaudio-config">
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217 | <title>Config Files</title>
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218 | <para>
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219 | There are system wide configuration files:
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220 | <filename>/etc/pulse/daemon.conf</filename>,
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221 | <filename>/etc/pulse/client.conf</filename>,
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222 | <filename>/etc/pulse/default.pa</filename>, and user configuration
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223 | files with the same names in
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224 | <filename class="directory">~/.config/pulse</filename>. User
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225 | configuration files take precedence over system wide ones.
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226 | </para>
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227 |
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228 | <indexterm zone="pulseaudio pulseaudio-config">
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229 | <primary sortas="e-AA.config-pulse">~/.config/pulse</primary>
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230 | </indexterm>
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231 |
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232 | <indexterm zone="pulseaudio pulseaudio-config">
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233 | <primary
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234 | sortas="e-etc-pulse-daemon.conf">/etc/pulse/daemon.conf</primary>
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235 | </indexterm>
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236 |
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237 | <indexterm zone="pulseaudio pulseaudio-config">
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238 | <primary
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239 | sortas="e-etc-pulse-client.conf">/etc/pulse/client.conf</primary>
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240 | </indexterm>
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241 |
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242 | <indexterm zone="pulseaudio pulseaudio-config">
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243 | <primary
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244 | sortas="e-etc-pulse-default.pa">/etc/pulse/default.pa</primary>
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245 | </indexterm>
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246 | </sect3>
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247 |
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248 | <sect3><title>Configuration Information</title>
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249 | <!--
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250 | <para>
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251 | The default configuration files allow setting up a working installation.
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252 | However, a reference to Console-Kit needs to be removed.
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253 | Issue the following command as the
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254 | <systemitem class="username">root</systemitem> user:
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255 | </para>
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256 |
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257 | <screen role="root"><userinput>sed -i '/load-module module-console-kit/s/^/#/' /etc/pulse/default.pa</userinput></screen>
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258 |
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259 | In 13.0 this is protected via .ifexists module-console-kit.so
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260 | -->
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261 | <para>
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262 | You may have to configure the audio system. You can start
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263 | <application>pulseaudio</application> in command line mode using
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264 | <command>pulseaudio -C</command> and then list various
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265 | information and change settings. See
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266 | <command>man pulse-cli-syntax</command>.
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267 | </para>
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268 |
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269 | <para>
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270 | If <application>pulseaudio</application> was working but you no-longer
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271 | have sound, after checking for hardware issues (speakers or headphones
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272 | not connected, external amplifier not connected) you may need to fix it.
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273 | </para>
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274 |
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275 | <para>
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276 | One suggestion is to close the application, such as
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277 | <application>firefox</application> where sound has stopped working, then
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278 | run: <command>pactl list short sinks</command> followed by:
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279 | <command>pacmd set-default-sink <sink #></command> and then
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280 | restart the application.
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281 | </para>
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282 |
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283 | <para>
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284 | If that does not work, a more drastic approach often works. After closing
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285 | the application, close pulseaudio, either using <command>pulseaudio
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286 | --kill</command> or, if that fails, <command>killall -KILL
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287 | pulseaudio</command> and then <command>rm -rf
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288 | ~/.config/pulse/*</command> (and perhaps also
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289 | <command>rm -rf ~/.pulse/*</command> if you have used a very old version
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290 | of pulse on this machine), then run <command>pulseaudio
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291 | --verbose</command> to restart it. If the daemon starts, restart the
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292 | application. See <command>man pulseaudio</command> for more options.
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293 | </para>
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294 |
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295 | </sect3>
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296 | </sect2>
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297 |
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298 | <sect2 role="content">
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299 | <title>Contents</title>
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300 |
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301 | <segmentedlist>
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302 | <segtitle>Installed Programs</segtitle>
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303 | <segtitle>Installed Libraries</segtitle>
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304 | <segtitle>Installed Directories</segtitle>
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305 |
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306 | <seglistitem>
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307 | <seg>
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308 | <!--esdcompat,--> pacat, pacmd, pactl, padsp,
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309 | pamon (symlink to pacat), paplay (symlink to pacat),
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310 | parec (symlink to pacat), parecord (symlink to pacat), qpaeq,
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311 | pasuspender, pax11publish, pulseaudio, and
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312 | <!-- it looks like the equalizer needs FFTW: qpaeq, -->
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313 | start-pulseaudio-x11
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314 | </seg>
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315 | <seg>
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316 | libpulse.so,
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317 | libpulse-mainloop-glib.so,
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318 | libpulse-simple.so,
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319 | libpulsecommon-&pulseaudio-major-version;.so,
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320 | libpulsecore-&pulseaudio-major-version;.so, and
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321 | libpulsedsp.so
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322 | </seg>
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323 | <seg>
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324 | /etc/pulse,
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325 | /usr/include/pulse,
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326 | /usr/lib/cmake/PulseAudio,
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327 | /usr/lib/{pulseaudio,pulse-&pulseaudio-major-version;},
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328 | /usr/libexec/pulse, and
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329 | /usr/share/pulseaudio
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330 | </seg>
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331 | </seglistitem>
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332 | </segmentedlist>
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333 |
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334 | <variablelist>
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335 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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336 | <?dbfo list-presentation="list"?>
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337 | <?dbhtml list-presentation="table"?>
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338 |
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339 | <!--
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340 | <varlistentry id="esdcompat">
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341 | <term><command>esdcompat</command></term>
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342 | <listitem>
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343 | <para>
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344 | is the <application>PulseAudio</application> ESD wrapper script.
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345 | </para>
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346 | <indexterm zone="pulseaudio esdcompat">
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347 | <primary sortas="b-esdcompat">esdcompat</primary>
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348 | </indexterm>
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349 | </listitem>
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350 | </varlistentry>
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351 | -->
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352 |
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353 | <varlistentry id="pacat">
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354 | <term><command>pacat</command></term>
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355 | <listitem>
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356 | <para>
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357 | plays back or records raw or encoded audio streams on a
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358 | <application>PulseAudio</application> sound server
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359 | </para>
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360 | <indexterm zone="pulseaudio pacat">
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361 | <primary sortas="b-pacat">pacat</primary>
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362 | </indexterm>
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363 | </listitem>
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364 | </varlistentry>
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365 |
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366 | <varlistentry id="pacmd">
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367 | <term><command>pacmd</command></term>
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368 | <listitem>
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369 | <para>
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370 | is a tool used to reconfigure a <application>PulseAudio</application>
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371 | sound server during runtime
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372 | </para>
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373 | <indexterm zone="pulseaudio pacmd">
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374 | <primary sortas="b-pacmd">pacmd</primary>
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375 | </indexterm>
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376 | </listitem>
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377 | </varlistentry>
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378 |
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379 | <varlistentry id="pactl">
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380 | <term><command>pactl</command></term>
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381 | <listitem>
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382 | <para>
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383 | is used to control a running <application>PulseAudio</application>
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384 | sound server
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385 | </para>
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386 | <indexterm zone="pulseaudio pactl">
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387 | <primary sortas="b-pactl">pactl</primary>
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388 | </indexterm>
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389 | </listitem>
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390 | </varlistentry>
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391 |
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392 | <varlistentry id="padsp">
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393 | <term><command>padsp</command></term>
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394 | <listitem>
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395 | <para>
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396 | is the <application>PulseAudio</application> OSS Wrapper
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397 | </para>
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398 | <indexterm zone="pulseaudio padsp">
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399 | <primary sortas="b-padsp">padsp</primary>
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400 | </indexterm>
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401 | </listitem>
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402 | </varlistentry>
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403 |
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404 | <varlistentry id="pamon">
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405 | <term><command>pamon</command></term>
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406 | <listitem>
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407 | <para>
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408 | is a symbolic link to <command>pacat</command>
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409 | </para>
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410 | <indexterm zone="pulseaudio pamon">
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411 | <primary sortas="b-pamon">pamon</primary>
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412 | </indexterm>
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413 | </listitem>
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414 | </varlistentry>
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415 |
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416 | <varlistentry id="paplay">
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417 | <term><command>paplay</command></term>
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418 | <listitem>
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419 | <para>
|
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420 | is used to play audio files on a
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421 | <application>PulseAudio</application> sound server
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422 | </para>
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423 | <indexterm zone="pulseaudio paplay">
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424 | <primary sortas="b-paplay">paplay</primary>
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425 | </indexterm>
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426 | </listitem>
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427 | </varlistentry>
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428 |
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429 | <varlistentry id="parec">
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430 | <term><command>parec</command></term>
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431 | <listitem>
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432 | <para>
|
---|
433 | is a symbolic link to <command>pacat</command>
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434 | </para>
|
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435 | <indexterm zone="pulseaudio parec">
|
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436 | <primary sortas="b-parec">parec</primary>
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437 | </indexterm>
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438 | </listitem>
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439 | </varlistentry>
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440 |
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441 | <varlistentry id="parecord">
|
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442 | <term><command>parecord</command></term>
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443 | <listitem>
|
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444 | <para>
|
---|
445 | is a symbolic link to <command>pacat</command>
|
---|
446 | </para>
|
---|
447 | <indexterm zone="pulseaudio parecord">
|
---|
448 | <primary sortas="b-parecord">parecord</primary>
|
---|
449 | </indexterm>
|
---|
450 | </listitem>
|
---|
451 | </varlistentry>
|
---|
452 |
|
---|
453 | <varlistentry id="pasuspender">
|
---|
454 | <term><command>pasuspender</command></term>
|
---|
455 | <listitem>
|
---|
456 | <para>
|
---|
457 | is a tool that can be used to tell a local
|
---|
458 | <application>PulseAudio</application> sound server to temporarily
|
---|
459 | suspend access to the audio devices, to allow other applications
|
---|
460 | to access them directly
|
---|
461 | </para>
|
---|
462 | <indexterm zone="pulseaudio pasuspender">
|
---|
463 | <primary sortas="b-pasuspender">pasuspender</primary>
|
---|
464 | </indexterm>
|
---|
465 | </listitem>
|
---|
466 | </varlistentry>
|
---|
467 |
|
---|
468 | <varlistentry id="pax11publish">
|
---|
469 | <term><command>pax11publish</command></term>
|
---|
470 | <listitem>
|
---|
471 | <para>
|
---|
472 | is the <application>PulseAudio</application>
|
---|
473 | X11 Credential Utility
|
---|
474 | </para>
|
---|
475 | <indexterm zone="pulseaudio pax11publish">
|
---|
476 | <primary sortas="b-pax11publish">pax11publish</primary>
|
---|
477 | </indexterm>
|
---|
478 | </listitem>
|
---|
479 | </varlistentry>
|
---|
480 |
|
---|
481 | <varlistentry id="pa-info">
|
---|
482 | <term><command>pa-info</command></term>
|
---|
483 | <listitem>
|
---|
484 | <para>
|
---|
485 | is a shell script that prints various information relating to the
|
---|
486 | <application>Pulseaudio</application> server currently in use
|
---|
487 | </para>
|
---|
488 | <indexterm zone="pulseaudio pa-info">
|
---|
489 | <primary sortas="b-pa-info">pa-info</primary>
|
---|
490 | </indexterm>
|
---|
491 | </listitem>
|
---|
492 | </varlistentry>
|
---|
493 |
|
---|
494 | <varlistentry id="pulseaudio-prog">
|
---|
495 | <term><command>pulseaudio</command></term>
|
---|
496 | <listitem>
|
---|
497 | <para>
|
---|
498 | is a networked low-latency sound server for Linux
|
---|
499 | </para>
|
---|
500 | <indexterm zone="pulseaudio pulseaudio-prog">
|
---|
501 | <primary sortas="b-pulseaudio">pulseaudio</primary>
|
---|
502 | </indexterm>
|
---|
503 | </listitem>
|
---|
504 | </varlistentry>
|
---|
505 |
|
---|
506 | <!-- only installed if FFTW is present -->
|
---|
507 | <varlistentry id="qpaeq">
|
---|
508 | <term><command>qpaeq</command></term>
|
---|
509 | <listitem>
|
---|
510 | <para>
|
---|
511 | is an equalizer interface for
|
---|
512 | <application>PulseAudio</application> equalizer sinks
|
---|
513 | (Requires <xref linkend="fftw"/> at build time)
|
---|
514 | </para>
|
---|
515 | <indexterm zone="pulseaudio qpaeq">
|
---|
516 | <primary sortas="b-qpaeq">qpaeq</primary>
|
---|
517 | </indexterm>
|
---|
518 | </listitem>
|
---|
519 | </varlistentry>
|
---|
520 |
|
---|
521 | <!-- Not found in PA 7.0
|
---|
522 | <varlistentry id="start-pulseaudio-kde">
|
---|
523 | <term><command>start-pulseaudio-kde</command></term>
|
---|
524 | <listitem>
|
---|
525 | <para>
|
---|
526 | Starts <application>PulseAudio</application> and loads
|
---|
527 | module-device-manager to use KDE routing policies.
|
---|
528 | </para>
|
---|
529 | <indexterm zone="pulseaudio start-pulseaudio-kde">
|
---|
530 | <primary sortas="b-start-pulseaudio-kde">start-pulseaudio-kde</primary>
|
---|
531 | </indexterm>
|
---|
532 | </listitem>
|
---|
533 | </varlistentry>
|
---|
534 | -->
|
---|
535 | <varlistentry id="start-pulseaudio-x11">
|
---|
536 | <term><command>start-pulseaudio-x11</command></term>
|
---|
537 | <listitem>
|
---|
538 | <para>
|
---|
539 | starts <application>PulseAudio</application> and registers it to
|
---|
540 | the X11 session manager
|
---|
541 | </para>
|
---|
542 | <indexterm zone="pulseaudio start-pulseaudio-x11">
|
---|
543 | <primary sortas="b-start-pulseaudio-x11">start-pulseaudio-x11</primary>
|
---|
544 | </indexterm>
|
---|
545 | </listitem>
|
---|
546 | </varlistentry>
|
---|
547 |
|
---|
548 | </variablelist>
|
---|
549 |
|
---|
550 | </sect2>
|
---|
551 |
|
---|
552 | </sect1>
|
---|