RtAudio - a C++ class which provides a common API for realtime audio input/output across Linux (native ALSA and OSS), SGI, Macintosh OS X (CoreAudio), and Windows (DirectSound and ASIO) operating systems.

By Gary P. Scavone, 2002.

v2.1: (7 October 2002)
- added Mac OS X CoreAudio support
- added Windows ASIO support
- API change to getDeviceInfo(): device argument must be an integer between 1 - getDeviceCount().
- "configure" support added for unix systems
- adopted MIT-like license
- various internal structural changes and bug fixes

v2.01: (27 April 2002)
- Windows destructor bug fix when no devices available
- RtAudioError class renamed to RtError
- Preprocessor definitions changed slightly (i.e. __LINUX_OSS_ to __LINUX_OSS__) to conform with new Synthesis ToolKit distribution

v2.0: (22 January 2002)
- first release of new independent class