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/*
* FAAD - Freeware Advanced Audio Decoder
* Copyright (C) 2001 Menno Bakker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: transfo.h,v 1.4 2002/01/11 00:55:17 wmaycisco Exp $
*/
#ifndef TRANSFORM_H
#define TRANSFORM_H
/* Use this for decoder - single precision */
typedef float fftw_real;
/* Use this for encoder - double precision */
/* typedef double fftw_real; */
typedef struct {
fftw_real re, im;
} fftw_complex;
#include "all.h"
#define c_re(c) ((c).re)
#define c_im(c) ((c).im)
#define DEFINE_PFFTW(size) \
void pfftwi_##size(fftw_complex *input); \
void pfftw_##size(fftw_complex *input); \
int pfftw_permutation_##size(int i);
DEFINE_PFFTW(16)
DEFINE_PFFTW(32)
DEFINE_PFFTW(64)
DEFINE_PFFTW(128)
DEFINE_PFFTW(512)
void MakeFFTOrder(faacDecHandle hDecoder);
void IMDCT_Long(faacDecHandle hDecoder, fftw_real *data);
void IMDCT_Short(faacDecHandle hDecoder, fftw_real *data);
void MDCT_Long(faacDecHandle hDecoder, fftw_real *data);
void MDCT_Short(faacDecHandle hDecoder, fftw_real *data);
#endif /* TRANSFORM_H */