andrew@0: /*
andrew@0:    Copyright (C) 2006 Paul Brossier
andrew@0: 
andrew@0:    This program is free software; you can redistribute it and/or modify
andrew@0:    it under the terms of the GNU General Public License as published by
andrew@0:    the Free Software Foundation; either version 2 of the License, or
andrew@0:    (at your option) any later version.
andrew@0: 
andrew@0:    This program is distributed in the hope that it will be useful,
andrew@0:    but WITHOUT ANY WARRANTY; without even the implied warranty of
andrew@0:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
andrew@0:    GNU General Public License for more details.
andrew@0: 
andrew@0:    You should have received a copy of the GNU General Public License
andrew@0:    along with this program; if not, write to the Free Software
andrew@0:    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
andrew@0: 
andrew@0: */
andrew@0: 
andrew@0: /** \file 
andrew@0:   
andrew@0:   Tempo detection driver
andrew@0: 
andrew@0:   This object stores all the memory required for tempo detection algorithm
andrew@0:   and returns the estimated beat locations.
andrew@0: 
andrew@0: */
andrew@0: 
andrew@0: #ifndef TEMPO_H
andrew@0: #define TEMPO_H
andrew@0: 
andrew@0: #ifdef __cplusplus
andrew@0: extern "C" {
andrew@0: #endif
andrew@0: 
andrew@0: /** tempo detection structure */
andrew@0: typedef struct _aubio_tempo_t aubio_tempo_t;
andrew@0: 
andrew@0: /** create tempo detection object */
andrew@0: aubio_tempo_t * new_aubio_tempo (aubio_onsetdetection_type type_onset, 
andrew@0:     ba_uint_t buf_size, ba_uint_t hop_size, ba_uint_t channels);
andrew@0: 
andrew@0: /** execute tempo detection */
andrew@0: void aubio_tempo(aubio_tempo_t *o, fvec_t * input, fvec_t * tempo);
andrew@0: 
andrew@0: /** set tempo detection silence threshold  */
andrew@0: void aubio_tempo_set_silence(aubio_tempo_t * o, smpl_t silence);
andrew@0: 
andrew@0: /** set tempo detection peak picking threshold  */
andrew@0: void aubio_tempo_set_threshold(aubio_tempo_t * o, smpl_t threshold);
andrew@0: 
andrew@0: /** delete tempo detection object */
andrew@0: void del_aubio_tempo(aubio_tempo_t * o);
andrew@0: 
andrew@0: #ifdef __cplusplus
andrew@0: }
andrew@0: #endif
andrew@0: 
andrew@0: #endif /* TEMPO_H */