/*
* WMA compatible decoder
* Copyright (c) 2002 The FFmpeg Project.
*
* 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 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
*/
#ifndef WMA_FFT_H
#define WMA_FFT_H 1
#include
typedef int32_t FFTSample;
typedef struct FFTComplex
{
int32_t re, im;
}
FFTComplex;
typedef struct FFTContext
{
int nbits;
int inverse;
uint16_t *revtab;
FFTComplex *exptab;
FFTComplex *exptab1; /* only used by SSE code */
int (*fft_calc)(struct FFTContext *s, FFTComplex *z);
}
FFTContext;
int fft_calc_unscaled(FFTContext *s, FFTComplex *z);
int fft_init_global(void);
#endif