diff options
Diffstat (limited to 'libs/qm-dsp/dsp/segmentation/cluster_segmenter.h')
-rw-r--r-- | libs/qm-dsp/dsp/segmentation/cluster_segmenter.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libs/qm-dsp/dsp/segmentation/cluster_segmenter.h b/libs/qm-dsp/dsp/segmentation/cluster_segmenter.h new file mode 100644 index 0000000000..e7106d4f81 --- /dev/null +++ b/libs/qm-dsp/dsp/segmentation/cluster_segmenter.h @@ -0,0 +1,51 @@ +#ifndef _CLUSTER_SEGMENTER_H +#define _CLUSTER_SEGMENTER_H + +/* + * cluster_segmenter.h + * soundbite + * + * Created by Mark Levy on 06/04/2006. + * Copyright 2006 Centre for Digital Music, Queen Mary, University of London. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. See the file + COPYING included with this distribution for more information. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <float.h> + +#include "segment.h" +#include "cluster_melt.h" +#include "hmm/hmm.h" +#include "maths/pca/pca.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* applies MPEG-7 normalisation to constant-Q features, storing normalised envelope (norm) in last feature dimension */ +void mpeg7_constq(double** features, int nframes, int ncoeff); + +/* converts constant-Q features to normalised chroma */ +void cq2chroma(double** cq, int nframes, int ncoeff, int bins, double** chroma); + +void create_histograms(int* x, int nx, int m, int hlen, double* h); + +void cluster_segment(int* q, double** features, int frames_read, int feature_length, int nHMM_states, + int histogram_length, int nclusters, int neighbour_limit); + +void constq_segment(int* q, double** features, int frames_read, int bins, int ncoeff, int feature_type, + int nHMM_states, int histogram_length, int nclusters, int neighbour_limit); + +#ifdef __cplusplus +} +#endif + +#endif |