cfft.h
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- /*
- ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
- ** Copyright (C) 2003-2005 M. Bakker, Ahead Software AG, http://www.nero.com
- **
- ** This program 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 of the License, or
- ** (at your option) any later version.
- **
- ** This program 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 this program; if not, write to the Free Software
- ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- **
- ** Any non-GPL usage of this software or parts of this software is strictly
- ** forbidden.
- **
- ** Software using this code must display the following message visibly in the
- ** software:
- ** "FAAD2 AAC/HE-AAC/HE-AACv2/DRM decoder (c) Ahead Software, www.nero.com"
- ** in, for example, the about-box or help/startup screen.
- **
- ** Commercial non-GPL licensing of this software is possible.
- ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
- **
- ** $Id: cfft.h,v 1.2 2005/11/01 21:41:43 gabest Exp $
- **/
- #ifndef __CFFT_H__
- #define __CFFT_H__
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef struct
- {
- uint16_t n;
- uint16_t ifac[15];
- complex_t *work;
- complex_t *tab;
- } cfft_info;
- void cfftf(cfft_info *cfft, complex_t *c);
- void cfftb(cfft_info *cfft, complex_t *c);
- cfft_info *cffti(uint16_t n);
- void cfftu(cfft_info *cfft);
- #ifdef __cplusplus
- }
- #endif
- #endif