cannam@484: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@243: /*
c@243:  *  cluster_segmenter.h
c@243:  *  soundbite
c@243:  *
c@243:  *  Created by Mark Levy on 06/04/2006.
c@309:  *  Copyright 2006 Centre for Digital Music, Queen Mary, University of London.
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@243:  *
c@243:  */
c@243: 
cannam@480: #ifndef _CLUSTER_SEGMENTER_H
cannam@480: #define _CLUSTER_SEGMENTER_H
cannam@480: 
c@243: #include <stdio.h>
c@243: #include <stdlib.h>
c@243: #include <math.h>
c@243: #include <float.h>
c@243: 
c@243: #include "segment.h"
c@243: #include "cluster_melt.h"
c@245: #include "hmm/hmm.h"
c@245: #include "maths/pca/pca.h"
c@245: 
c@245: #ifdef __cplusplus
c@245: extern "C" {
c@245: #endif
c@243: 
cannam@480: /* applies MPEG-7 normalisation to constant-Q features,
cannam@480:    storing normalised envelope (norm) in last feature dimension */
c@243: void mpeg7_constq(double** features, int nframes, int ncoeff);
c@243: 
c@243: /* converts constant-Q features to normalised chroma */
c@243: void cq2chroma(double** cq, int nframes, int ncoeff, int bins, double** chroma);
c@243: 
c@243: void create_histograms(int* x, int nx, int m, int hlen, double* h);
c@243: 
cannam@480: void cluster_segment(int* q, double** features, int frames_read,
cannam@480:                      int feature_length, int nHMM_states, 
cannam@480:                      int histogram_length, int nclusters,
cannam@480:                      int neighbour_limit);
c@243: 
cannam@480: void constq_segment(int* q, double** features, int frames_read,
cannam@480:                     int bins, int ncoeff, int feature_type, 
cannam@480:                     int nHMM_states, int histogram_length,
cannam@480:                     int nclusters, int neighbour_limit);
c@243: 
c@245: #ifdef __cplusplus
c@245: }
c@245: #endif
c@243: 
c@245: #endif