ref: 1081580aa62623a53e31fd4673989b143c52c62d
dir: /src/tempo/tempo.h/
/* Copyright (C) 2006-2009 Paul Brossier <piem@aubio.org> This file is part of aubio. aubio 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 3 of the License, or (at your option) any later version. aubio 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 aubio. If not, see <http://www.gnu.org/licenses/>. */ /** \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 (char_t * method, uint_t buf_size, uint_t hop_size, uint_t samplerate); /** execute tempo detection */ void aubio_tempo_do (aubio_tempo_t *o, fvec_t * input, fvec_t * tempo); /** set tempo detection silence threshold */ uint_t aubio_tempo_set_silence(aubio_tempo_t * o, smpl_t silence); /** set tempo detection peak picking threshold */ uint_t 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 */