c@256: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@256: 
c@256: /*
c@256:     QM DSP Library
c@256: 
c@256:     Centre for Digital Music, Queen Mary, University of London.
c@256:     This file copyright 2008 Kurt Jacobson and QMUL.
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@256: */
c@256: 
cannam@489: #ifndef QM_DSP_BEATSPECTRUM_H
cannam@489: #define QM_DSP_BEATSPECTRUM_H
c@256: 
c@256: #include <vector>
c@256: 
c@256: /**
c@256:  * Given a matrix of "feature values", calculate a self-similarity
c@256:  * vector.  The resulting vector will have half as many elements as
c@256:  * the number of columns in the matrix.  This is based on the
c@256:  * SoundBite rhythmic similarity code.
c@256:  */
c@256: 
c@256: class BeatSpectrum
c@256: {
c@256: public:
c@257:     BeatSpectrum() { }
c@257:     ~BeatSpectrum() { }
c@256: 
c@256:     std::vector<double> process(const std::vector<std::vector<double> > &inmatrix);
c@256: 
c@256: };
c@256: 
c@256: #endif
c@256: 
c@256: