Submit FS#11461. Major speedup for aac he profile (PP5002 +20%, PP5020 +15%, PP5022...
[kugel-rb.git] / apps / codecs / libfaad / sbr_dct.h
blob95394df30733a64ee9d95c1984bbdc11ca4fae6a
1 /*
2 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
3 ** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
4 **
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation; either version 2 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
14 **
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 ** Any non-GPL usage of this software or parts of this software is strictly
20 ** forbidden.
22 ** Commercial non-GPL licensing of this software is possible.
23 ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
25 ** $Id$
26 **/
28 #ifndef __SBR_DCT_H__
29 #define __SBR_DCT_H__
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
35 void dct4_kernel(real_t *real, real_t *imag);
37 void DCT3_32_unscaled(real_t *y, real_t *x);
38 void DCT4_32(real_t *y, real_t *x);
39 void DST4_32(real_t *y, real_t *x);
40 void DCT2_32_unscaled(real_t *y, real_t *x);
41 void DCT4_16(real_t *y, real_t *x);
42 void DCT2_16_unscaled(real_t *y, real_t *x);
45 #ifdef __cplusplus
47 #endif
48 #endif