ref: 44d7cb7ef4eb8c9d20455deedbc27318143fb321
dir: /src/tempo.h/
/* Copyright (C) 2006 Paul Brossier 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. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /** \file Tempo detection driver This object stores all the memory required for tempo detection algorithm and returns the estimated beat locations. */ #ifndef TEMPO_H #define TEMPO_H #ifdef __cplusplus extern "C" { #endif /** tempo detection structure */ typedef struct _aubio_tempo_t aubio_tempo_t; /** create tempo detection object */ aubio_tempo_t * new_aubio_tempo (aubio_onsetdetection_type type_onset, uint_t buf_size, uint_t hop_size, uint_t channels); /** execute tempo detection */ void aubio_tempo(aubio_tempo_t *o, fvec_t * input, fvec_t * tempo); /** set tempo detection silence threshold */ void aubio_tempo_set_silence(aubio_tempo_t * o, smpl_t silence); /** set tempo detection peak picking threshold */ void aubio_tempo_set_threshold(aubio_tempo_t * o, smpl_t threshold); /** get current tempo \param bt beat tracking object Returns the currently observed tempo, or 0 if no consistent value is found */ smpl_t aubio_tempo_get_bpm(aubio_tempo_t * bt); /** get current tempo confidence \param bt beat tracking object Returns the confidence with which the tempo has been observed, 0 if no consistent value is found. */ smpl_t aubio_tempo_get_confidence(aubio_tempo_t * bt); /** delete tempo detection object */ void del_aubio_tempo(aubio_tempo_t * o); #ifdef __cplusplus } #endif #endif /* TEMPO_H */