1 /*
2 * (I)RDFT transforms
3 * Copyright (c) 2009 Alex Converse <alex dot converse at gmail dot com>
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 #if !defined(AVCODEC_RDFT_H) && (!defined(FFT_FLOAT) || FFT_FLOAT)
23 #define AVCODEC_RDFT_H
24
25 #include "config.h"
27
32
33 /* pre/post rotation tables */
39 };
40
41 /**
42 * Set up a real FFT.
43 * @param nbits log2 of the length of the input array
44 * @param trans the type of transform
45 */
48
50
51
52 #endif /* AVCODEC_RDFT_H */