Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / mss34dsp.h
1 /*
2 * Common stuff for some Microsoft Screen codecs
3 * Copyright (C) 2012 Konstantin Shishkov
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 #ifndef AVCODEC_MSS34DSP_H
23 #define AVCODEC_MSS34DSP_H
24
25 #include <stdint.h>
26
27 /**
28 * Generate quantisation matrix for given quality.
29 *
30 * @param qmat destination matrix
31 * @param quality quality setting (1-100)
32 * @param luma generate quantisation matrix for luma or chroma
33 */
34 void ff_mss34_gen_quant_mat(uint16_t *qmat, int quality, int luma);
35
36 /**
37 * Transform and output DCT block.
38 *
39 * @param dst output plane
40 * @param stride output plane stride
41 * @param block block to transform and output
42 */
43 void ff_mss34_dct_put(uint8_t *dst, int stride, int *block);
44
45 #endif /* AVCODEC_MSS34DSP_H */