1 /* 2 Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org> 3 4 This file is part of aubio. 5 6 aubio is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 aubio is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with aubio. If not, see <http://www.gnu.org/licenses/>. 18 19 */ 20 21 /** \file 22 23 Peak picking utilities function 24 25 \example onset/test-peakpicker.c 26 27 */ 28 29 #ifndef AUBIO_PEAKPICK_H 30 #define AUBIO_PEAKPICK_H 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /** peak-picker structure */ 37 typedef struct _aubio_peakpicker_t aubio_peakpicker_t; 38 39 /** peak-picker creation function */ 40 aubio_peakpicker_t * new_aubio_peakpicker(void); 41 /** real time peak picking function */ 42 void aubio_peakpicker_do(aubio_peakpicker_t * p, fvec_t * in, fvec_t * out); 43 /** destroy peak picker structure */ 44 void del_aubio_peakpicker(aubio_peakpicker_t * p); 45 46 /** get current peak value */ 47 fvec_t *aubio_peakpicker_get_thresholded_input (aubio_peakpicker_t * p); 48 /** set peak picking threshold */ 49 uint_t aubio_peakpicker_set_threshold(aubio_peakpicker_t * p, smpl_t threshold); 50 /** get peak picking threshold */ 51 smpl_t aubio_peakpicker_get_threshold(aubio_peakpicker_t * p); 52 53 #ifdef __cplusplus 54 } 55 #endif 56 57 #endif /* AUBIO_PEAKPICK_H */ 58