1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
|
/*
ZynAddSubFX - a software synthesizer
FFTwrapper.h - A wrapper for Fast Fourier Transforms
Copyright (C) 2002-2005 Nasca Octavian Paul
Author: Nasca Octavian Paul
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License
as published by the Free Software Foundation.
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 (version 2) for more details.
You should have received a copy of the GNU General Public License (version 2)
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef FFT_WRAPPER_H
#define FFT_WRAPPER_H
#include "globals.h"
struct zyn_fft_freqs
{
zyn_sample_type *s,*c; /* sine and cosine components */
};
typedef void * zyn_fft_handle;
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* Adjust editor indent */
#endif
void
zyn_fft_freqs_init(
struct zyn_fft_freqs * f,
int size);
void
zyn_fft_freqs_uninit(
struct zyn_fft_freqs * f);
zyn_fft_handle
zyn_fft_create(
int fftsize);
void
zyn_fft_destroy(
zyn_fft_handle handle);
void
zyn_fft_smps2freqs(
zyn_fft_handle handle,
REALTYPE * smps,
struct zyn_fft_freqs * freqs_ptr);
void
zyn_fft_freqs2smps(
zyn_fft_handle handle,
struct zyn_fft_freqs * freqs_ptr,
REALTYPE * smps);
#if 0
{ /* Adjust editor indent */
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
|