2 Copyright (C) 2003 Paul Brossier
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.
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.
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.
27 // complex before fftw3
33 #define FFTW_TYPE fftwf_complex
35 #define FFTW_TYPE fftw_complex
42 typedef FFTW_TYPE fft_data_t;
44 typedef struct _aubio_fft_t aubio_fft_t;
47 extern aubio_fft_t * new_aubio_fft(uint_t size);
48 extern void del_aubio_fft(aubio_fft_t * s);
49 extern void aubio_fft_do (const aubio_fft_t *s, const smpl_t * data,
50 fft_data_t * spectrum, const uint_t size);
51 extern void aubio_fft_rdo(const aubio_fft_t *s, const fft_data_t * spectrum,
52 smpl_t * data, const uint_t size);
53 /** get norm from spectrum */
54 void aubio_fft_getnorm(smpl_t * norm, fft_data_t * spectrum, uint_t size);
55 /** get phase from spectrum */
56 void aubio_fft_getphas(smpl_t * phase, fft_data_t * spectrum, uint_t size);