comparison libs/aubioFullOSXUni/include/aubio/peakpick.h @ 0:bcb0d40158f4

started audio file loader project - using oF_061
author Andrew N Robertson <andrew.robertson@eecs.qmul.ac.uk>
date Tue, 30 Aug 2011 20:18:34 +0100
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-1:000000000000 0:bcb0d40158f4
1 /*
2 Copyright (C) 2003 Paul Brossier
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 /** \file
21 * peak picking utilities function
22 *
23 * \todo check/fix peak picking
24 */
25
26 #ifndef PEAKPICK_H
27 #define PEAKPICK_H
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 /** function pointer to thresholding function */
34 typedef smpl_t (*aubio_thresholdfn_t)(fvec_t *input);
35 /** function pointer to peak-picking function */
36 typedef ba_uint_t (*aubio_pickerfn_t)(fvec_t *input, ba_uint_t pos);
37 /** peak-picker structure */
38 typedef struct _aubio_pickpeak_t aubio_pickpeak_t;
39
40 /** peak-picker creation function */
41 aubio_pickpeak_t * new_aubio_peakpicker(smpl_t threshold);
42 /** real time peak picking function */
43 ba_uint_t aubio_peakpick_pimrt(fvec_t * DF, aubio_pickpeak_t * p);
44 /** function added by Miguel Ramirez to return the onset detection amplitude in peakval */
45 ba_uint_t aubio_peakpick_pimrt_wt( fvec_t* DF, aubio_pickpeak_t* p, smpl_t* peakval );
46 /** get current peak value */
47 smpl_t aubio_peakpick_pimrt_getval(aubio_pickpeak_t * p);
48 /** destroy peak picker structure */
49 void del_aubio_peakpicker(aubio_pickpeak_t * p);
50
51 /** set peak picking threshold */
52 void aubio_peakpicker_set_threshold(aubio_pickpeak_t * p, smpl_t threshold);
53 /** get peak picking threshold */
54 smpl_t aubio_peakpicker_get_threshold(aubio_pickpeak_t * p);
55 /** set peak picker thresholding function */
56 void aubio_peakpicker_set_thresholdfn(aubio_pickpeak_t * p, aubio_thresholdfn_t thresholdfn);
57 /** get peak picker thresholding function */
58 aubio_thresholdfn_t aubio_peakpicker_get_thresholdfn(aubio_pickpeak_t * p);
59
60 #ifdef __cplusplus
61 }
62 #endif
63
64 #endif /* PEAKPICK_H */