c@225: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@225: 
c@225: /*
c@225:     QM DSP library
c@225:     Centre for Digital Music, Queen Mary, University of London.
c@225:     This file Copyright 2006 Chris Cannam.
c@309: 
c@309:     This program is free software; you can redistribute it and/or
c@309:     modify it under the terms of the GNU General Public License as
c@309:     published by the Free Software Foundation; either version 2 of the
c@309:     License, or (at your option) any later version.  See the file
c@309:     COPYING included with this distribution for more information.
c@225: */
c@225: 
cannam@489: #ifndef QM_DSP_PITCH_H
cannam@489: #define QM_DSP_PITCH_H
c@225: 
c@377: /**
c@377:  * Convert between musical pitch (i.e. MIDI pitch number) and
c@377:  * fundamental frequency.
c@377:  */
c@225: class Pitch
c@225: {
c@225: public:
c@225:     static float getFrequencyForPitch(int midiPitch,
cannam@483:                                       float centsOffset = 0,
cannam@483:                                       float concertA = 440.0);
c@225: 
c@225:     static int getPitchForFrequency(float frequency,
cannam@483:                                     float *centsOffsetReturn = 0,
cannam@483:                                     float concertA = 440.0);
c@225: };
c@225: 
c@225: 
c@225: #endif