mirror of
https://github.com/mpv-player/mpv
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60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
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/*
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** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
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** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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**
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** Any non-GPL usage of this software or parts of this software is strictly
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** forbidden.
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**
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** Commercial non-GPL licensing of this software is possible.
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** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
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**
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** $Id: cfft.h,v 1.6 2003/07/29 08:20:12 menno Exp $
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**/
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#ifndef __CFFT_H__
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#define __CFFT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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void cfftf(cfft_info *cfft, complex_t *c);
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void cfftb(cfft_info *cfft, complex_t *c);
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cfft_info *cffti(uint16_t n);
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void cfftu(cfft_info *cfft);
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static void passf2(uint16_t ido, uint16_t l1, complex_t *cc, complex_t *ch,
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complex_t *wa, int8_t isign);
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static void passf3(uint16_t ido, uint16_t l1, complex_t *cc, complex_t *ch,
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complex_t *wa1, complex_t *wa2, int8_t isign);
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static void passf4(uint16_t ido, uint16_t l1, complex_t *cc, complex_t *ch,
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complex_t *wa1, complex_t *wa2, complex_t *wa3, int8_t isign);
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static void passf5(uint16_t ido, uint16_t l1, complex_t *cc, complex_t *ch,
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complex_t *wa1, complex_t *wa2, complex_t *wa3, complex_t *wa4,
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int8_t isign);
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INLINE void cfftf1(uint16_t n, complex_t *c, complex_t *ch,
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uint16_t *ifac, complex_t *wa, int8_t isign);
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static void cffti1(uint16_t n, complex_t *wa, uint16_t *ifac);
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#ifdef __cplusplus
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}
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#endif
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#endif
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