aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/scpr3.h
blob: 92ad968882e1123682f3d174b26c4e4d9a647837 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
/*
 * ScreenPressor version 3 decoder
 *
 * Copyright (c) 2017 Paul B Mahol
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVCODEC_SCPR3_H
#define AVCODEC_SCPR3_H

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "avcodec.h"
#include "internal.h"

typedef struct PixelModel3 {
    uint8_t    type;
    uint8_t    length;
    uint8_t    maxpos;
    uint8_t    fshift;
    uint16_t   size;
    uint32_t   cntsum;
    uint8_t    symbols[256];
    uint16_t   freqs[256];
    uint16_t   freqs1[256];
    uint16_t   cnts[256];
    uint8_t    dectab[32];
} PixelModel3;

typedef struct FillModel3 {
    uint32_t   cntsum;
    uint16_t   freqs[2][5];
    uint16_t   cnts[5];
    uint8_t    dectab[32];
} FillModel3;

typedef struct OpModel3 {
    uint32_t   cntsum;
    uint16_t   freqs[2][6];
    uint16_t   cnts[6];
    uint8_t    dectab[32];
} OpModel3;

typedef struct RunModel3 {
    uint32_t   cntsum;
    uint16_t   freqs[2][256];
    uint16_t   cnts[256];
    uint8_t    dectab[32];
} RunModel3;

typedef struct SxyModel3 {
    uint32_t   cntsum;
    uint16_t   freqs[2][16];
    uint16_t   cnts[16];
    uint8_t    dectab[32];
} SxyModel3;

typedef struct MVModel3 {
    uint32_t   cntsum;
    uint16_t   freqs[2][512];
    uint16_t   cnts[512];
    uint8_t    dectab[32];
} MVModel3;

#endif /* AVCODEC_SCPR3_H */