c@243: #ifndef _CLUSTER_SEGMENTER_H
c@243: #define _CLUSTER_SEGMENTER_H
c@243: 
c@243: /*
c@243:  *  cluster_segmenter.h
c@243:  *  soundbite
c@243:  *
c@243:  *  Created by Mark Levy on 06/04/2006.
c@243:  *  Copyright 2006 Centre for Digital Music, Queen Mary, University of London. All rights reserved.
c@243:  *
c@243:  */
c@243: 
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: 
c@243: /* applies MPEG-7 normalisation to constant-Q features, 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: 
c@243: void cluster_segment(int* q, double** features, int frames_read, int feature_length, int nHMM_states, 
c@243: 					 int histogram_length, int nclusters, int neighbour_limit);
c@243: 
c@243: void constq_segment(int* q, double** features, int frames_read, int bins, int ncoeff, int feature_type, 
c@243: 			 int nHMM_states, int histogram_length, int nclusters, int neighbour_limit);
c@243: 
c@245: #ifdef __cplusplus
c@245: }
c@245: #endif
c@243: 
c@245: #endif