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pacat: allow configuration of latency in msec

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This commit is contained in:
Lennart Poettering 2010-01-15 01:25:21 +01:00
parent e129f8577a
commit 27df02779a
2 changed files with 119 additions and 25 deletions
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96
man/pacat.1.xml.in
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@ -21,18 +21,22 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
-->
<manpage name="pacat" section="1" desc="Play back or record raw audio streams on a PulseAudio sound server">
<manpage name="pacat" section="1" desc="Play back or record raw or encoded audio streams on a PulseAudio sound server">
<synopsis>
<cmd>paplay [<arg>options</arg>] [<arg>FILE</arg>]</cmd>
<cmd>parecord [<arg>options</arg>] [<arg>FILE</arg>]</cmd>
<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>
<cmd>pamon [<arg>options</arg>] [<arg>FILE</arg>]</cmd>
<cmd>pacat <opt>--help</opt></cmd>
<cmd>pacat <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>
capturing raw or encoded audio files on a PulseAudio sound
server.</p>
</description>
<options>
@ -52,13 +56,13 @@ USA.
<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>
<optdesc><p>Capture 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>
<optdesc><p>Read 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>
@ -108,14 +112,17 @@ USA.
<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>
<opt>s16be</opt>, <opt>s32le</opt>, <opt>s32be</opt>,
<opt>float32le</opt>, <opt>float32be</opt>, <opt>ulaw</opt>,
<opt>alaw</opt>, <opt>s32le</opt>, <opt>s32be</opt>,
<opt>s24le</opt>, <opt>s24be</opt>, <opt>s24-32le</opt>,
<opt>s24-32be</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>,
<opt>s32ne</opt>, <opt>s32re</opt>, <opt>s24ne</opt>,
<opt>s24re</opt>, <opt>s24-32ne</opt>, <opt>s24-32re</opt> (for
native, resp. reverse endian) are available as aliases. Defaults
to s16ne.</p></optdesc>
</option>
<option>
@ -170,6 +177,65 @@ USA.
<optdesc><p>Never remap channels. Instead of mapping channels by their name this will match them solely by their index/order.</p></optdesc>
</option>
<option>
<p><opt>--latency</opt><arg>=BYTES</arg></p>
<optdesc><p>Explicitly configure the latency, with a time
specified in bytes in the selected sample format. If left out
the server will pick the latency, usually relatively high for
power saving reasons. Use either this option or
<opt>--latency-msec</opt>, but not both.</p></optdesc>
</option>
<option>
<p><opt>--latency-msec</opt><arg>=MSEC</arg></p>
<optdesc><p>Explicitly configure the latency, with a time
specified in miliseconds. If left out the server will pick the
latency, usually relatively high for power saving reasons. Use
either this option or <opt>--latency</opt>, but not
both.</p></optdesc>
</option>
<option>
<p><opt>--process-time</opt><arg>=BYTES</arg></p>
<optdesc><p>Explicitly configure the process time, with a time
specified in bytes in the selected sample format. If left out
the server will pick the process time. Use either this option or
<opt>--process-time-msec</opt>, but not both.</p></optdesc>
</option>
<option>
<p><opt>--process-time-msec</opt><arg>=MSEC</arg></p>
<optdesc><p>Explicitly configure the process time, with a time
specified in miliseconds. If left out the server will pick the
process time. Use either this option or <opt>--process-time</opt>,
but not both.</p></optdesc>
</option>
<option>
<p><opt>--property</opt><arg>=PROPERTY=VALUE</arg></p>
<optdesc><p>Attach a property to the client and stream. May be
used multiple times</p></optdesc>
</option>
<option>
<p><opt>--raw</opt></p>
<optdesc><p>Play/record raw audio data. This is the default if
this program is invoked as <cmd>pacat</cmd>, <cmd>parec</cmd> or
<cmd>pamon</cmd>.</p></optdesc>
</option>
<option>
<p><opt>--file-format</opt><arg>[=FFORMAT]</arg></p>
<optdesc><p>Play/record encoded audio data in the file format
specified. This is the default if this program is invoked as
<cmd>paplay</cmd> and <cmd>parecord</cmd>.</p></optdesc>
</option>
<option>
<p><opt>--list-file-formats</opt></p>
<optdesc><p>List supported file formats.</p></optdesc>
</option>
</options>
<section name="Authors">
@ -178,7 +244,7 @@ USA.
<section name="See also">
<p>
<manref name="pulseaudio" section="1"/>, <manref name="paplay" section="1"/>
<manref name="pulseaudio" section="1"/>, <manref name="pactl" section="1"/>
</p>
</section>