aubio: onsetdetection.h Source File

00001 /*
00002      Copyright (C) 2003 Paul Brossier
00003 
00004      This program is free software; you can redistribute it and/or modify
00005      it under the terms of the GNU General Public License as published by
00006      the Free Software Foundation; either version 2 of the License, or
00007      (at your option) any later version.
00008 
00009      This program is distributed in the hope that it will be useful,
00010      but WITHOUT ANY WARRANTY; without even the implied warranty of
00011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012      GNU General Public License for more details.
00013 
00014      You should have received a copy of the GNU General Public License
00015      along with this program; if not, write to the Free Software
00016      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017      
00018 */
00019 
00034 #ifndef ONSETDETECTION_H
00035 #define ONSETDETECTION_H
00036 
00037 #ifdef __cplusplus
00038 extern "C" {
00039 #endif
00040 
00042 typedef enum {
00043         aubio_onset_energy,         
00044         aubio_onset_specdiff,       
00045         aubio_onset_hfc,            
00046         aubio_onset_complex,        
00047         aubio_onset_phase,          
00048         aubio_onset_kl,             
00049         aubio_onset_mkl             
00050 } aubio_onsetdetection_type;
00051 
00053 typedef struct _aubio_onsetdetection_t aubio_onsetdetection_t;
00063 void aubio_onsetdetection_energy(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00077 void aubio_onsetdetection_hfc(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00089 void aubio_onsetdetection_complex(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00102 void aubio_onsetdetection_phase(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00114 void aubio_onsetdetection_specdiff(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00126 void aubio_onsetdetection_kl(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00138 void aubio_onsetdetection_mkl(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00148 void aubio_onsetdetection(aubio_onsetdetection_t *o, cvec_t * fftgrain, fvec_t * onset);
00156 aubio_onsetdetection_t * new_aubio_onsetdetection(aubio_onsetdetection_type type, uint_t size, uint_t channels);
00162 void del_aubio_onsetdetection(aubio_onsetdetection_t *o);
00168 void aubio_onsetdetection_free(aubio_onsetdetection_t *o);
00169 
00170 
00171 #ifdef __cplusplus
00172 }
00173 #endif
00174 
00175 #endif /* ONSETDETECTION_H */