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author | Robert Jonsson <spamatica@gmail.com> | 2009-12-27 11:30:35 +0000 |
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committer | Robert Jonsson <spamatica@gmail.com> | 2009-12-27 11:30:35 +0000 |
commit | b703eab295330e6f81564fbb39a10a1a2fdd2f54 (patch) | |
tree | e46b5c9a6bc22fd661c15d1d2123f5bf631cef80 /muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h | |
parent | 5d5fa0fdf913907edbc3d2d29a7548f0cb658c94 (diff) |
moved old qt4 branch
Diffstat (limited to 'muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h')
-rw-r--r-- | muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h b/muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h new file mode 100644 index 00000000..df8cad7a --- /dev/null +++ b/muse_qt4_evolution/synti/zynaddsubfx/DSP/FFTwrapper.h @@ -0,0 +1,59 @@ +/* + 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" + +#ifdef FFTW_VERSION_2 + +#include <fftw.h> + +/* If you got error messages about rfftw.h, replace the next include line with "#include <srfftw.h>" +or with "#include <drfftw.h> (if one doesn't work try the other). It may be necessary to replace +the <fftw.h> with <dfftw.h> or <sfftw.h>. If the neither one doesn't work, +please install latest version of fftw(recomanded from the sources) from www.fftw.org. +If you'll install fftw3 you need to change the Makefile.inc +Hope all goes right." */ +#include <rfftw.h> + +#else + +#include <fftw3.h> +#define fftw_real double +#define rfftw_plan fftw_plan +#endif + +class FFTwrapper{ + public: + FFTwrapper(int fftsize_); + ~FFTwrapper(); + void smps2freqs(REALTYPE *smps,FFTFREQS freqs); + void freqs2smps(FFTFREQS freqs,REALTYPE *smps); + private: + int fftsize; + fftw_real *tmpfftdata1,*tmpfftdata2; + rfftw_plan planfftw,planfftw_inv; +}; +#endif + |