ac3dec: simplify zero-bit mantissa dithering by calculating it
[ffmpeg-lucabe.git] / libavcodec / faandct.h
bloba69301c1d4cb5b16e40a1961f7c952e9bcc84e8a
1 /*
2 * Floating point AAN DCT
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
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.
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.
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
22 /**
23 * @file libavcodec/faandct.h
24 * @brief
25 * Floating point AAN DCT
26 * @author Michael Niedermayer <michaelni@gmx.at>
29 #ifndef AVCODEC_FAANDCT_H
30 #define AVCODEC_FAANDCT_H
32 #include "dsputil.h"
34 #define FAAN_POSTSCALE
36 void ff_faandct(DCTELEM * data);
37 void ff_faandct248(DCTELEM * data);
39 #endif /* AVCODEC_FAANDCT_H */