ref: 983a1533c9698afec7d466aa5f83eb98ac34d9e9
dir: /libfaad/sbr_dct.h/
/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003-2005 M. Bakker, Nero 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. ** ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Nero AG through [email protected]. ** ** $Id: sbr_dct.h,v 1.19 2007/11/01 12:33:34 menno Exp $ **/ #ifndef __SBR_DCT_H__ #define __SBR_DCT_H__ #ifdef __cplusplus extern "C" { #endif void dct4_kernel(real_t * in_real, real_t * in_imag, real_t * out_real, real_t * out_imag); void DCT3_32_unscaled(real_t *y, real_t *x); void DCT4_32(real_t *y, real_t *x); void DST4_32(real_t *y, real_t *x); void DCT2_32_unscaled(real_t *y, real_t *x); void DCT4_16(real_t *y, real_t *x); void DCT2_16_unscaled(real_t *y, real_t *x); #ifdef __cplusplus } #endif #endif