source: multimedia/libdriv/alsa-plugins.xml@ b707cc4

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
   "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY alsa-plugins-download-http "&alsa-download-http;/plugins/alsa-plugins-&alsa-plugins-version;.tar.bz2">
  <!ENTITY alsa-plugins-download-ftp  "&alsa-download-ftp;/plugins/alsa-plugins-&alsa-plugins-version;.tar.bz2">
  <!ENTITY alsa-plugins-md5sum        "7ef5e429b4a2756d0b5f0d7ce5bba0c8">
  <!ENTITY alsa-plugins-size          "225 KB">
  <!ENTITY alsa-plugins-buildsize     "2.4 MB">
  <!ENTITY alsa-plugins-time          "less than 0.1 SBU">
]>

  <!--
  Editors: please examine the output from the configure command to see if
  there are any new dependencies. There has been a bunch of work on the
  plugins the last couple of releases, and that trend may continue.
  -->

<sect1 id="alsa-plugins" xreflabel="ALSA Plugins-&alsa-plugins-version;">
  <?dbhtml filename="alsa-plugins.html"?>

  <sect1info>
    <othername>$LastChangedBy$</othername>
    <date>$Date$</date>
  </sect1info>

  <title>ALSA Plugins-&alsa-plugins-version;</title>

  <indexterm zone="alsa-plugins">
    <primary sortas="a-ALSA-Plugins">ALSA Plugins</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to ALSA Plugins</title>

    <para>The <application>ALSA Plugins</application> package contains
    plugins for various audio libraries and sound servers.</para>

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>Download (HTTP): <ulink url="&alsa-plugins-download-http;"/></para>
      </listitem>
      <listitem>
        <para>Download (FTP): <ulink url="&alsa-plugins-download-ftp;"/></para>
      </listitem>
      <listitem>
        <para>Download MD5 sum: &alsa-plugins-md5sum;</para>
      </listitem>
      <listitem>
        <para>Download size: &alsa-plugins-size;</para>
      </listitem>
      <listitem>
        <para>Estimated disk space required: &alsa-plugins-buildsize;</para>
      </listitem>
      <listitem>
        <para>Estimated build time: &alsa-plugins-time;</para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">ALSA Plugins Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required"><xref linkend="pkgconfig"/> and
    <xref linkend="alsa-lib"/></para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional"><xref linkend="ffmpeg"/>,
    <ulink url="http://jackaudio.org/">JACK</ulink>,
    <ulink url="http://pulseaudio.org/">PulseAudio</ulink>,
    <ulink url="http://www.mega-nerd.com/libsamplerate/">Secret Rabbit
    Code</ulink> (a.k.a. libsamplerate)</para>

    <para condition="html" role="usernotes">User Notes:
    <ulink url="&blfs-wiki;/alsa-plugins"/></para>

  </sect2>

  <sect2 role="installation">
    <title>Installation of ALSA Plugins</title>

    <para>Install <application>ALSA Plugins</application> by
    running the following commands:</para>

<screen><userinput>./configure &amp;&amp;
make</userinput></screen>

    <para>This package does not come with a test suite.</para>

    <para>Now, as the <systemitem class="username">root</systemitem> user:</para>

<screen role="root"><userinput>make install &amp;&amp;
install -v -m755 -d /usr/share/doc/alsa-plugins-&alsa-plugins-version; &amp;&amp;
install -v -m644 doc/{README*,*.txt} \
                    /usr/share/doc/alsa-plugins-&alsa-plugins-version;</userinput></screen>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directory</segtitle>

      <seglistitem>
        <seg>None</seg>
        <seg>Numerous libasound_module_<replaceable>&lt;module&gt;</replaceable>.so
        modules including ctl_oss, pcm_oss, pcm_upmix, pcm_vdownmix and
        optionally ctl_pulse, pcm_pulse, pcm_a52, pcm_jack and
        rate_samplerate*</seg>
        <seg>/usr/share/doc/alsa-plugins-&alsa-plugins-version;</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="libasound_module_pcm_oss.so">
        <term><filename class='libraryfile'>libasound_module_pcm_oss.so</filename></term>
        <listitem>
          <para>Allows native <application>ALSA</application> applications to
          run on <application>OSS</application>.</para>
          <indexterm zone="alsa-plugins libasound_module_pcm_oss.so">
            <primary sortas="c-libasound_module_pcm_oss">libasound_module_pcm_oss.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libasound_module_pcm_upmix.so">
        <term><filename class='libraryfile'>libasound_module_pcm_upmix.so</filename></term>
        <listitem>
          <para>Allows upmixing sound to 4 or 6 channels.</para>
          <indexterm zone="alsa-plugins libasound_module_pcm_upmix.so">
            <primary sortas="c-libasound_module_pcm_upmix">libasound_module_pcm_upmix.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libasound_module_pcm_vdownmix.so">
        <term><filename class='libraryfile'>libasound_module_pcm_vdownmix.so</filename></term>
        <listitem>
          <para>Allows downmixing sound from 4-6 channels to 2
          channel stereo output.</para>
          <indexterm zone="alsa-plugins libasound_module_pcm_vdownmix.so">
            <primary sortas="c-libasound_module_pcm_vdownmix">libasound_module_pcm_vdownmix.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libasound_module_pcm_jack.so">
        <term><filename class='libraryfile'>libasound_module_pcm_jack.so</filename></term>
        <listitem>
          <para>Allows native <application>ALSA</application> applications to
          work with <command>jackd</command>.</para>
          <indexterm zone="alsa-plugins libasound_module_pcm_jack.so">
            <primary sortas="c-libasound_module_pcm_jack">libasound_module_pcm_jack.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libasound_module_pcm_pulse.so">
        <term><filename class='libraryfile'>libasound_module_pcm_pulse.so</filename></term>
        <listitem>
          <para>Allows native <application>ALSA</application> applications
          to access a <application>PulseAudio</application> sound
          daemon.</para>
          <indexterm zone="alsa-plugins libasound_module_pcm_pulse.so">
            <primary sortas="c-libasound_module_pcm_pulse">libasound_module_pcm_pulse.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libasound_module_pcm_a52.so">
        <term><filename class='libraryfile'>libasound_module_pcm_a52.so</filename></term>
        <listitem>
          <para>Converts S16 linear sound format to A52 compressed format
          and sends it to an SPDIF output.</para>
          <indexterm zone="alsa-plugins libasound_module_pcm_a52.so">
            <primary sortas="c-libasound_module_pcm_a52">libasound_module_pcm_a52.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libasound_module_rate_samplerate.so">
        <term><filename class='libraryfile'>libasound_module_rate_samplerate.so</filename></term>
        <listitem>
          <para>Provides an external rate converter through
          <filename class='libraryfile'>libsamplerate</filename>.</para>
          <indexterm zone="alsa-plugins libasound_module_rate_samplerate.so">
            <primary sortas="c-libasound_module_rate_samplerate">libasound_module_rate_samplerate.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>