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Initial check-in for an experimental Java binding for PortAudio called JPortAudio.

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philburk 2012-09-01 18:43:58 +00:00
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@section overview Overview
PortAudio is a cross-platform, open-source C language library for real-time audio input and output. The library provides functions that allow your software to acquire and output real-time audio streams from your computer's hardware audio interfaces. It is designed to simplify writing cross-platform audio applications, and also to simplify the development of audio software in general by hiding the complexities of dealing directly with each native audio API. PortAudio is used to implement sound recording, editing and mixing applications, software synthesizers, effects processors, music players, internet telephony applications, software defined radios and more. Supported platforms include MS Windows, Mac OS X and Linux. Third-party language bindings make it possible to call PortAudio from other programming languages including C++, C#, Python, PureBasic, FreePascal and Lazarus.
PortAudio is a cross-platform, open-source C language library for real-time audio input and output.
The library provides functions that allow your software to acquire and output real-time audio streams from your computer's hardware audio interfaces. It is designed to simplify writing cross-platform audio applications, and also to simplify the development of audio software in general by hiding the complexities of dealing directly with each native audio API. PortAudio is used to implement sound recording, editing and mixing applications, software synthesizers, effects processors, music players, internet telephony applications, software defined radios and more. Supported platforms include MS Windows, Mac OS X and Linux. Third-party language bindings make it possible to call PortAudio from other programming languages including @ref java_binding "Java", C++, C#, Python, PureBasic, FreePascal and Lazarus.
@section start_here Start here
@ -38,6 +38,8 @@ Documentation for non-portable platform-specific host API extensions
- <a href="http://www.assembla.com/spaces/portaudio/wiki">The PortAudio wiki</a>
- @ref java_binding<br>
Documentation for the Java JNI interface to PortAudio
@section developer_resources Developer Resources

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doc/src/tutorial/tutorial_start.dox
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@section tut_start3 Programming with PortAudio
Below are the steps to writing a PortAudio application:
Below are the steps to writing a PortAudio application using the callback technique:
- Write a callback function that will be called by PortAudio when audio processing is needed.
- Initialize the PA library and open a stream for audio I/O.
@ -38,7 +38,7 @@ In addition to this "Callback" architecture, V19 also supports a "Blocking I/O"
In this tutorial, we'll show how to use the callback architecture to play a sawtooth wave. Much of the tutorial is taken from the file paex_saw.c, which is part of the PortAudio distribution. When you're done with this tutorial, you'll be armed with the basic knowledge you need to write an audio program. If you need more sample code, look in the "examples" and "test" directory of the PortAudio distribution. Another great source of info is the portaudio.h Doxygen page, which documents the entire V19 API. Also see the page for <a href="http://www.assembla.com/spaces/portaudio/wiki/Tips">tips on programming PortAudio</a> on the PortAudio wiki.
If you are upgrading from V18, you may want to look at the <a href="http://www.portaudio.com/docs/proposals/index.html">Proposed Enhancements to PortAudio</a>, which describes the differences between V18 and V19.
@section tut_start4 Programming Tutorial Contents
- \ref writing_a_callback
- \ref initializing_portaudio
@ -49,6 +49,8 @@ If you are upgrading from V18, you may want to look at the <a href="http://www.p
- \ref querying_devices
- \ref blocking_read_write
If you are upgrading from V18, you may want to look at the <a href="http://www.portaudio.com/docs/proposals/index.html">Proposed Enhancements to PortAudio</a>, which describes the differences between V18 and V19.
Once you have a basic understanding of how to use PortAudio, you might be interested in \ref exploring.
Next: \ref writing_a_callback