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mss34dsp.h
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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 */