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-rw-r--r--ac3dec/srfft_kni_c.c93
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diff --git a/ac3dec/srfft_kni_c.c b/ac3dec/srfft_kni_c.c
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--- a/ac3dec/srfft_kni_c.c
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-/*
- * srfft_kni.c
- *
- * Copyright (C) Yuqing Deng <Yuqing_Deng@brown.edu> - April 2000
- *
- * 64 and 128 point split radix fft for ac3dec
- *
- * The algorithm is desribed in the book:
- * "Computational Frameworks of the Fast Fourier Transform".
- *
- * The ideas and the the organization of code borrowed from djbfft written by
- * D. J. Bernstein <djb@cr.py.to>. djbff can be found at
- * http://cr.yp.to/djbfft.html.
- *
- * srfft.c is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * srfft.c 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 for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Make; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifdef __i386__
-
-#include <stdio.h>
-
-#include "srfft_kni.h"
-#include "srfftp.h"
-
-void fft_64p_kni(complex_t *a)
-{
- fft_8_kni(&a[0]); fft_4_kni(&a[8]); fft_4_kni(&a[12]);
- fft_asmb_kni(2, &a[0], &a[8], &delta16[0], &delta16_3[0]);
-
- fft_8_kni(&a[16]), fft_8_kni(&a[24]);
- fft_asmb_kni(4, &a[0], &a[16],&delta32[0], &delta32_3[0]);
-
- fft_8_kni(&a[32]); fft_4_kni(&a[40]); fft_4_kni(&a[44]);
- fft_asmb_kni(2, &a[32], &a[40], &delta16[0], &delta16_3[0]);
-
- fft_8_kni(&a[48]); fft_4_kni(&a[56]); fft_4_kni(&a[60]);
- fft_asmb_kni(2, &a[48], &a[56], &delta16[0], &delta16_3[0]);
-
- fft_asmb_kni(8, &a[0], &a[32],&delta64[0], &delta64_3[0]);
-}
-
-
-void fft_128p_kni(complex_t *a)
-{
- fft_8_kni(&a[0]); fft_4_kni(&a[8]); fft_4_kni(&a[12]);
- fft_asmb_kni(2, &a[0], &a[8], &delta16[0], &delta16_3[0]);
-
- fft_8_kni(&a[16]), fft_8_kni(&a[24]);
- fft_asmb_kni(4, &a[0], &a[16],&delta32[0], &delta32_3[0]);
-
- fft_8_kni(&a[32]); fft_4_kni(&a[40]); fft_4_kni(&a[44]);
- fft_asmb_kni(2, &a[32], &a[40], &delta16[0], &delta16_3[0]);
-
- fft_8_kni(&a[48]); fft_4_kni(&a[56]); fft_4_kni(&a[60]);
- fft_asmb_kni(2, &a[48], &a[56], &delta16[0], &delta16_3[0]);
-
- fft_asmb_kni(8, &a[0], &a[32],&delta64[0], &delta64_3[0]);
-
- fft_8_kni(&a[64]); fft_4_kni(&a[72]); fft_4_kni(&a[76]);
- /* fft_16(&a[64]); */
- fft_asmb_kni(2, &a[64], &a[72], &delta16[0], &delta16_3[0]);
-
- fft_8_kni(&a[80]); fft_8_kni(&a[88]);
-
- /* fft_32(&a[64]); */
- fft_asmb_kni(4, &a[64], &a[80],&delta32[0], &delta32_3[0]);
-
- fft_8_kni(&a[96]); fft_4_kni(&a[104]), fft_4_kni(&a[108]);
- /* fft_16(&a[96]); */
- fft_asmb_kni(2, &a[96], &a[104], &delta16[0], &delta16_3[0]);
-
- fft_8_kni(&a[112]), fft_8_kni(&a[120]);
- /* fft_32(&a[96]); */
- fft_asmb_kni(4, &a[96], &a[112], &delta32[0], &delta32_3[0]);
-
- /* fft_128(&a[0]); */
- fft_asmb_kni(16, &a[0], &a[64], &delta128[0], &delta128_3[0]);
-}
-
-#endif