cannam@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@0: /*
cannam@0:     Vamp feature extraction plugin using the MATCH audio alignment
cannam@0:     algorithm.
cannam@0: 
cannam@0:     Centre for Digital Music, Queen Mary, University of London.
cannam@0:     This file copyright 2007 Simon Dixon, Chris Cannam and QMUL.
cannam@0:     
cannam@0:     This program is free software; you can redistribute it and/or
cannam@0:     modify it under the terms of the GNU General Public License as
cannam@0:     published by the Free Software Foundation; either version 2 of the
cannam@0:     License, or (at your option) any later version.  See the file
cannam@0:     COPYING included with this distribution for more information.
cannam@0: */
cannam@0: 
cannam@0: #ifndef _MATCH_FEEDER_H_
cannam@0: #define _MATCH_FEEDER_H_
cannam@0: 
cannam@0: #include "Matcher.h"
cannam@0: #include "Finder.h"
cannam@0: 
cannam@0: #include <queue>
Chris@14: #include <vector>
cannam@0: 
cannam@0: class MatchFeeder
cannam@0: {
cannam@0: public:
cannam@0:     MatchFeeder(Matcher *m1, Matcher *m2);
cannam@0:     ~MatchFeeder();
cannam@0: 
Chris@14:     /**
Chris@14:      * Feed the two supplied channels of frequency-domain input data
Chris@14:      * to feeders 1 and 2 respectively, as appropriate (depending on
Chris@14:      * their advance status).
Chris@14:      */
cannam@0:     void feed(const float *const *input);
cannam@0: 
Chris@14:     struct Features {
Chris@14:         std::vector<std::vector<double> > f1;
Chris@14:         std::vector<std::vector<double> > f2;
Chris@14:     };
Chris@14: 
Chris@14:     /**
Chris@14:      * Feed the two supplied channels of frequency-domain input data
Chris@24:      * to matchers 1 and 2 respectively, as appropriate (depending on
Chris@14:      * their advance status) and return any new feature vectors
Chris@14:      * calculated by the two feeders.
Chris@14:      */
Chris@14:     Features feedAndGetFeatures(const float *const *input);
Chris@14: 
cannam@0:     Finder *getFinder() { return finder; }
cannam@0: 
cannam@0: protected:
Chris@14:     void prepare(const float *const *input);
Chris@14:     Features feedBlock();
Chris@14:     std::vector<double> feed1();
Chris@14:     std::vector<double> feed2();
cannam@0: 
cannam@0:     Finder *finder;
cannam@0:     Matcher *pm1;
cannam@0:     Matcher *pm2;
cannam@0: 
cannam@0:     size_t fftSize;
cannam@0:     double *reBuffer;
cannam@0:     double *imBuffer;
cannam@0: 
cannam@0:     std::queue<float *> q1;
cannam@0:     std::queue<float *> q2;
cannam@0: };
cannam@0: 
cannam@0: #endif