RtMidi - a set of C++ classes which provide a common API for realtime MIDI input/output across Linux (ALSA), SGI, Macintosh OS X (CoreMidi), and Windows (Multimedia) operating systems.

By Gary P. Scavone, 2003-2004.

v1.0.3: (22 November 2004)
- added common pure virtual functions to RtMidi abstract base class

v1.0.2: (21 September 2004)
- added warning messages to openVirtualPort() functions in Windows and Irix (where it can't be implemented)

v1.0.1: (20 September 2004)
- changed ALSA preprocessor definition to __LINUX_ALSASEQ__

v1.0.0: (17 September 2004)
- first release of new independent class with both input and output functionality