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New mod_portaudio (sponspred by eWorldCom http://www.eworldcom.hu/) This updates mod_portaudio to use the new v19 api and also contains major behavioural changes. This initial check-in should be tested to find any obscure use cases that lead to crashes etc... All of the old api interface commands are now depricated and any attempt to use them should cause a polite warning asking you to try the new single "pa" command. New Features: *) Mulitiple calls with hold/call switching. *) Inbound calls can play a ring file on specified device. (global and per call) *) Optional hold music for backgrounded calls. (global and per call) Example dialplan usage: <extension name="2000"> <condition field="destination_number" expression="^2000$"> <!--if the next 3 lines are omitted the defaults will be used from portaudio.conf--> <action application="set" data="pa_ring_file=/sounds/myring.wav"/> <action application="set" data="pa_hold_file=/sounds/myhold.wav"/> <action application="set" data="export_vars=pa_ring_file,pa_hold_file"/> <action application="bridge" data="portaudio"/> </condition> </extension> Example API interface usage: call extension 1000 > pa call 1000 call extension 1001 putting the other call on hold > pa call 1001 swap the calls between hold and active > pa switch view the current calls > pa list forground the call with id 1 > pa switch 1 background all calls > pa switch none send a dtmf string (1234) to the current call > pa dtmf 1234 answer the oldest unanswered inbound call > pa answer answer the call with id 1 > pa answer 1 hangup the active call > pa hangup hangup the call with id 1 > pa hangup 1 get device info > pa dump print usage summary > pa help USAGE: -------------------------------------------------------------------------------- pa help pa dump pa call <dest> [<dialplan> <cid_name> <cid_num> <rate>] pa answer [<call_id>] pa hangup [<call_id>] pa list pa switch [<call_id>|none] pa_dtmf <digit string> -------------------------------------------------------------------------------- The source of the portaudio v19 library will also be checked in for the sake of the build system. git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3981 d0543943-73ff-0310-b7d9-9358b9ac24b2
2007-01-17 19:10:03 +00:00
<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="GENERATOR" content="Mozilla/4.79 [en] (Windows NT 5.0; U) [Netscape]">
<meta name="Author" content="Phil Burk">
<meta name="Description" content="PortAudio is a cross platform, open-source, audio I/O library.It provides a very simple API for recording and/or playing sound using a simple callback function.">
<meta name="KeyWords" content="audio, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
<title>PortAudio Implementations for DirectSound</title>
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&nbsp;
<center><table COLS=1 WIDTH="100%" BGCOLOR="#FADA7A" >
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<center>
<h1>
PortAudio - Portable Audio Library</h1></center>
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<p>PortAudio is a cross platform, <a href="#License">open-source</a>, audio
I/O library proposed by <b>Ross Bencina</b> to the <a href="http://shoko.calarts.edu/~glmrboy/musicdsp/music-dsp.html">music-dsp</a>
mailing list. It lets you write simple audio programs in 'C' that will
compile and run on <b>Windows, Macintosh, Unix, BeOS</b>. PortAudio is
intended to promote the exchange of audio synthesis software between developers
on different platforms.
<p>For complete information on PortAudio and to download the latest releases,
please visit "<b><font size=+2><a href="http://www.portaudio.com">http://www.portaudio.com</a></font></b>".
<br>&nbsp;
<br>&nbsp;
<center>
<h2>
<b><a href="doc/html/index.html">Click here for Documentation</a></b></h2></center>
<h2>
<b><font size=+2></font></b></h2>
<h2>
<b><font size=+2>Contacts and E-Mail List</font></b></h2>
<ul>
<li>
If you are using or implementing PortAudio then please join the <b><font size=+1><a href="http://techweb.rfa.org/mailman/listinfo/portaudio">PortAudio
mail list</a></font><font size=+2> </font></b>.</li>
<li>
If you find bugs in one of these implementations, or have suggestions,
please e-mail them to <a href="mailto:philburk@softsynth.com">Phil Burk</a>.</li>
<li>
If you make improvements to the library, please send them to us so we can
incorporate the improvements.</li>
</ul>
<h2>
<a NAME="License"></a>License</h2>
<table width="600">
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<p>
PortAudio Portable Real-Time Audio Library
<br>Copyright &copy; 1999-2006 Ross Bencina and Phil Burk
</p>
<p>Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following conditions:
</p>
<p>
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
</p>
<p>
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND ON INFRINGEMENT.
<br>IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
THE USE OR OTHER DEALINGS IN THE SOFTWARE.
</p>
<p><i>
The text above constitutes the entire PortAudio license; however,
the PortAudio community also makes the following non-binding requests:
</i></p>
<p><i>
Any person wishing to distribute modifications to the Software is
requested to send the modifications to the original developer so that
they can be incorporated into the canonical version. It is also
requested that these non-binding requests be included along with the
license above.
</i></p>
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