ref: 73862cb9cf6058273c3ce9c025bde55433306265
dir: /sys/src/cmd/audio/mp3enc/fft.h/
/*
* Fast Fourier Transform include file
*
* Copyright (c) 2000 Mark Taylor
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 LAME_FFT_H
#define LAME_FFT_H
#include "encoder.h"
void fft_long(lame_internal_flags* gfc, FLOAT x_real[BLKSIZE],
int chn, const sample_t *data[2] );
void fft_short(lame_internal_flags* gfc, FLOAT x_real[3][BLKSIZE_s],
int chn, const sample_t *data[2] );
void init_fft(lame_internal_flags* gfc );
#endif
/* End of fft.h */