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<meta name="Author" content="Phil Burk">
<meta name="Description" content="Tutorial for PortAudio, 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, tutorial, library, portable, open-source, DirectSound,sound, music, JSyn, synthesis,">
<title>PortAudio Tutorial</title>
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<h1>
PortAudio Tutorial</h1></center>
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<h2>
<font size=+2><a href="http://www.portaudio.com/">home</a> |
<a href="pa_tutorial.html">contents</a>
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<h2>
Compiling for Macintosh OS X</h2>
<blockquote>To compile a Macintosh OS X CoreAudio application with the
PortAudio library you will use the following source files:
<blockquote>pa_mac_core/pa_mac_core.c
<br>pa_common/pa_lib.c
<br>pa_common/portaudio.h
<br>pa_common/pa_host.h
<br>pa_common/pa_convert.c
<br>pa_common/pa_trace.c
<br>pa_common/pa_trace.h
<br>pablio/ringbuffer.c
<br>pablio/ringbuffer.h</blockquote>
</blockquote>
<h3>
Using Apple Project Builder</h3>
<blockquote>Create a new ProjectBuilder project. You can use a "Tool" project
to run the PortAudio examples.
<p>Add the source files from above to your Project.
<p>Add both the Apple CoreAudio.framework and the AudioToolbox.framework
to your project by selecting "Add FrameWorks..." from the Project menu.
<p>Compile and run the "pa_tests:patest_saw.c" file first because it is
the simplest.</blockquote>
<h3>
Or Using Metrowerks CodeWarrior 8</h3>
<blockquote>by James Van Lommel</blockquote>
<blockquote>Create a new CodeWarrior project using Mac OS C++ Stationery.
<br>Then choose Mac OS X Mach-O > Standard Console > C++ Console Mach-O.
<p>In the project window, Clear the HelloWorld.cpp file and add the source
files from above to your Project.
<p>Add a test file of your choosing, like
<br> patests /patest_sine8.c
<p>Add the frameworks to the Frameworks tab using Project > Add Files...
<br> CoreAudio
<br> AudioToolbox
<p>(The System framework should already be a part of the project.)
<p>Open the current target's settings, and in Language Settings > C/C++
Language, uncheck (disable) the "ANSI Strict" setting. (Do this for both
Debug and Release projects, if necessary.) You may also choose to disable
RTTI and exceptions; the most important settings are 'Force C++ compilation'
(enabled) and 'ANSI Strict' (disabled)."
<p>Edit pa_mac_core.c:
<br> On line 1546, cast the PaHost_AllocateFastMemory() result
to a (char *) or you will get a compile error.
<p>Compile and run. (may need to run from a terminal window)
<p>I've successfully built patest_sine8.c this way using the CVS .tar version
of portaudio (date: 2003-04-27). I get 17 warnings during compilation,
all of which deal with unused variables or arguments.</blockquote>
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