pulseaudio/man/pacat.1.xml.in

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<manpage name="pacat" section="1" desc="Play back or record raw audio streams on a PulseAudio sound server">

  <synopsis>
    <cmd>pacat [<arg>options</arg>] [<arg>FILE</arg>]</cmd>
    <cmd>parec [<arg>options</arg>] [<arg>FILE</arg>]</cmd>
    <cmd>paplay <opt>--help</opt></cmd>
    <cmd>paplay <opt>--version</opt></cmd>
  </synopsis>

  <description>
    <p><file>pacat</file> is a simple tool for playing back or
    capturing raw audio files on a PulseAudio sound server.</p>
  </description>

  <options>

    <option>
      <p><opt>-h | --help</opt></p>

      <optdesc><p>Show help.</p></optdesc>
    </option>

    <option>
      <p><opt>--version</opt></p>

      <optdesc><p>Show version information.</p></optdesc>
    </option>

    <option>
      <p><opt>-r | --record</opt></p>

      <optdesc><p>Capture raw audio data and write it to the specified file or to STDOUT if none is specified. If the tool is called under the name <file>parec</file> this is the default.</p></optdesc>
    </option>

    <option>
      <p><opt>-p | --playback</opt></p>

      <optdesc><p>Read raw audio data from the specified file or STDIN if none is specified, and play it back. If the tool is called under the name <file>pacat</file> this is the default.</p></optdesc>
    </option>

    <option>
      <p><opt>-v | --verbose</opt></p>

      <optdesc><p>Enable verbose operation. Dumps the current playback time to STDERR during playback/capturing.</p></optdesc>
    </option>

    <option>
      <p><opt>-s | --server</opt><arg>=SERVER</arg></p>

      <optdesc><p>Choose the server to connect to.</p></optdesc>
    </option>

    <option>
      <p><opt>-d | --device</opt><arg>=SINKORSOURCE</arg></p>

      <optdesc><p>Specify the symbolic name of the sink/source to play/record this stream on/from.</p></optdesc>
    </option>

    <option>
      <p><opt>-n | --client-name</opt><arg>=NAME</arg></p>

      <optdesc><p>Specify the client name <file>paplay</file> shall pass to the server when connecting.</p></optdesc>
    </option>

    <option>
      <p><opt>--stream-name</opt><arg>=NAME</arg></p>

      <optdesc><p>Specify the stream name <file>paplay</file> shall pass to the server when creating the stream.</p></optdesc>
    </option>

    <option>
      <p><opt>--volume</opt><arg>=VOLUME</arg></p>

      <optdesc><p>Specify the initial playback volume to use. Choose a value between 0 (silent) and 65536 (100% volume).</p></optdesc>
    </option>

    <option>
      <p><opt>--rate</opt><arg>=SAMPLERATE</arg></p>

      <optdesc><p>Capture or play back audio with the specified sample rate. Defaults to 44100 Hz.</p></optdesc>
    </option>

    <option>
      <p><opt>--format</opt><arg>=FORMAT</arg></p>

      <optdesc><p>Capture or play back audio with the specified sample
      format. Specify one of <opt>u8</opt>, <opt>s16le</opt>,
      <opt>s16be</opt>, <opt>s32le</opt>,
      <opt>s32be</opt>, <opt>float32le</opt>, <opt>float32be</opt>,
      <opt>ulaw</opt>, <opt>alaw</opt>. Depending on the endianess of
      the CPU the
      formats <opt>s16ne</opt>, <opt>s16re</opt>, <opt>s32ne</opt>, <opt>s32re</opt>,
      <opt>float32ne</opt>, <opt>float32re</opt> (for native,
      resp. reverse endian) are available as aliases. Defaults to
      s16ne.</p></optdesc>
    </option>

    <option>
      <p><opt>--channels</opt><arg>=CHANNELS</arg></p>

      <optdesc><p>Capture or play back audio with the specified number
      of channels. If more than two channels are used it is
      recommended to use the <opt>--channel-map</opt> option
      below. Defaults to 2.</p></optdesc>
    </option>

    <option>
      <p><opt>--channel-map</opt><arg>=CHANNELMAP</arg></p>

      <optdesc><p>Explicitly choose a channel map when playing back
      this stream. The argument should be a comma separated list of
      channel names: <opt>front-left</opt>, <opt>front-right</opt>,
      <opt>mono</opt>, <opt>front-center</opt>, <opt>rear-left</opt>,
      <opt>rear-right</opt>, <opt>rear-center</opt>, <opt>lfe</opt>,
      <opt>front-left-of-center</opt>,
      <opt>front-right-of-center</opt>, <opt>side-left</opt>,
      <opt>side-right</opt>, <opt>top-center</opt>,
      <opt>top-front-center</opt>, <opt>top-front-left</opt>,
      <opt>top-front-right</opt>, <opt>top-rear-left</opt>,
      <opt>top-rear-right</opt>, <opt>top-rear-center</opt>, or any of
      the 32 auxiliary channel names <opt>aux0</opt> to
      <opt>aux31</opt>.</p></optdesc>
    </option>

    <option>
      <p><opt>--fix-format</opt></p>
      <optdesc><p>If passed, the sample format of the stream is changed to the native format of the sink the stream is connected to.</p></optdesc>
    </option>

    <option>
      <p><opt>--fix-rate</opt></p>
      <optdesc><p>If passed, the sampling rate of the stream is changed to the native rate of the sink the stream is connected to.</p></optdesc>
    </option>

    <option>
      <p><opt>--fix-channels</opt></p>
      <optdesc><p>If passed, the number of channels and the channel map of the stream is changed to the native number of channels and the native channel map of the sink the stream is connected to.</p></optdesc>
    </option>

    <option>
      <p><opt>--no-remix</opt></p>
      <optdesc><p>Never upmix or downmix channels.</p></optdesc>
    </option>

    <option>
      <p><opt>--no-remap</opt></p>
      <optdesc><p>Never remap channels. Instead of mapping channels by their name this will match them solely by their index/order.</p></optdesc>
    </option>

  </options>

  <section name="Authors">
    <p>The PulseAudio Developers &lt;@PACKAGE_BUGREPORT@&gt;; PulseAudio is available from <url href="@PACKAGE_URL@"/></p>
  </section>

  <section name="See also">
    <p>
      <manref name="pulseaudio" section="1"/>, <manref name="paplay" section="1"/>
    </p>
  </section>

</manpage>