a7b11dc365badf42c8c93b96635b7ebb1fad18df
[libav.git] / libavcodec / faandct.h
1 /*
2 * Floating point AAN DCT
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *
21 */
22
23 /**
24 * @file faandct.h
25 * @brief
26 * Floating point AAN DCT
27 * @author Michael Niedermayer <michaelni@gmx.at>
28 */
29
30 #include "dsputil.h"
31
32 #define FAAN_POSTSCALE
33
34 void ff_faandct(DCTELEM * data);
35 void ff_faandct248(DCTELEM * data);