MythTV master
vbilut.cpp
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1#include "captions/vbilut.h"
2
3const std::array<const std::array<const uint8_t,16>,1+8+8> lang_chars
4{{
5 { 0, 0x23,0x24,0x40,0x5b,0x5c,0x5d,0x5e,0x5f,0x60,0x7b,0x7c,0x7d,0x7e },
6
7 // for latin-1 font
8 // English (100%)
9 { 0, 0xa3,0x24,0x40,0xab,0xbd,0xbb,0xac,0x23,0xad,0xbc,0xa6,0xbe,0xf7 }, // £$@«½»¬#­¼¦¾÷
10 // German (100%)
11 { 0, 0x23,0x24,0xa7,0xc4,0xd6,0xdc,0x5e,0x5f,0xb0,0xe4,0xf6,0xfc,0xdf }, // #$§ÄÖÜ^_°äöüß
12 // Swedish/Finnish/Hungarian (100%)
13 { 0, 0x23,0xa4,0xc9,0xc4,0xd6,0xc5,0xdc,0x5f,0xe9,0xe4,0xf6,0xe5,0xfc }, // #¤ÉÄÖÅÜ_éäöåü
14 // Italian (100%)
15 { 0, 0xa3,0x24,0xe9,0xb0,0xe7,0xbb,0xac,0x23,0xf9,0xe0,0xf2,0xe8,0xec }, // £$é°ç»¬#ùàòèì
16 // French (100%)
17 { 0, 0xe9,0xef,0xe0,0xeb,0xea,0xf9,0xee,0x23,0xe8,0xe2,0xf4,0xfb,0xe7 }, // éïàëêùî#èâôûç
18 // Portuguese/Spanish (100%)
19 { 0, 0xe7,0x24,0xa1,0xe1,0xe9,0xed,0xf3,0xfa,0xbf,0xfc,0xf1,0xe8,0xe0 }, // ç$¡áéíóú¿üñèà
20 // Czech/Slovak (60%)
21 { 0, 0x23,0x75,0x63,0x74,0x7a,0xfd,0xed,0x72,0xe9,0xe1,0x65,0xfa,0x73 }, // #uctzýíréáeús
22 // reserved (English mapping)
23 { 0, 0xa3,0x24,0x40,0xab,0xbd,0xbb,0xac,0x23,0xad,0xbc,0xa6,0xbe,0xf7 }, // £$@«½»¬#­¼¦¾÷
24
25 // for latin-2 font
26 // Polish (100%)
27 { 0, 0x23,0xf1,0xb1,0xaf,0xa6,0xa3,0xe6,0xf3,0xea,0xbf,0xb6,0xb3,0xbc }, // #ñ±¯¦£æó꿶³¼
28 // German (100%)
29 { 0, 0x23,0x24,0xa7,0xc4,0xd6,0xdc,0x5e,0x5f,0xb0,0xe4,0xf6,0xfc,0xdf }, // #$§ÄÖÜ^_°äöüß
30 // Estonian (100%)
31 { 0, 0x23,0xf5,0xa9,0xc4,0xd6,0xae,0xdc,0xd5,0xb9,0xe4,0xf6,0xbe,0xfc }, // #õ©ÄÖ®ÜÕ¹äö¾ü
32 // Lettish/Lithuanian (90%)
33 { 0, 0x23,0x24,0xa9,0xeb,0xea,0xae,0xe8,0xfc,0xb9,0xb1,0x75,0xbe,0x69 }, // #$©ëê®èü¹±u¾i
34 // French (90%)
35 { 0, 0xe9,0x69,0x61,0xeb,0xec,0x75,0xee,0x23,0x65,0xe2,0xf4,0x75,0xe7 }, // éiaëìuî#eâôuç
36 // Serbian/Croation/Slovenian (100%)
37 { 0, 0x23,0xcb,0xc8,0xc6,0xae,0xd0,0xa9,0xeb,0xe8,0xe6,0xae,0xf0,0xb9 }, // #ËÈƮЩëèæ®ð¹
38 // Czech/Slovak (100%)
39 { 0, 0x23,0xf9,0xe8,0xbb,0xbe,0xfd,0xed,0xf8,0xe9,0xe1,0xec,0xfa,0xb9 }, // #ù軾ýíøéáìú¹
40 // Rumanian (95%)
41 { 0, 0x23,0xa2,0xde,0xc2,0xaa,0xc3,0xce,0x69,0xfe,0xe2,0xba,0xe3,0xee }, // #¢ÞªÃÎiþâºãî
42}};
43
44// TODO - Add the rest...page 107
45const std::array<const uint8_t,13> chartab_original =
46{
47 0x23,0xa4,0x40,0x5b,0x5c,0x5d,0x5e,0x5f,0x27,0x7b,0x7c,0x7d,0x7e // #¤@[\\]^_\'{|}~
48};
49
50const std::array<const uint16_t,256> hammtab
51{
52 0x0101, 0x100f, 0x0001, 0x0101, 0x100f, 0x0100, 0x0101, 0x100f,
53 0x100f, 0x0102, 0x0101, 0x100f, 0x010a, 0x100f, 0x100f, 0x0107,
54 0x100f, 0x0100, 0x0101, 0x100f, 0x0100, 0x0000, 0x100f, 0x0100,
55 0x0106, 0x100f, 0x100f, 0x010b, 0x100f, 0x0100, 0x0103, 0x100f,
56 0x100f, 0x010c, 0x0101, 0x100f, 0x0104, 0x100f, 0x100f, 0x0107,
57 0x0106, 0x100f, 0x100f, 0x0107, 0x100f, 0x0107, 0x0107, 0x0007,
58 0x0106, 0x100f, 0x100f, 0x0105, 0x100f, 0x0100, 0x010d, 0x100f,
59 0x0006, 0x0106, 0x0106, 0x100f, 0x0106, 0x100f, 0x100f, 0x0107,
60 0x100f, 0x0102, 0x0101, 0x100f, 0x0104, 0x100f, 0x100f, 0x0109,
61 0x0102, 0x0002, 0x100f, 0x0102, 0x100f, 0x0102, 0x0103, 0x100f,
62 0x0108, 0x100f, 0x100f, 0x0105, 0x100f, 0x0100, 0x0103, 0x100f,
63 0x100f, 0x0102, 0x0103, 0x100f, 0x0103, 0x100f, 0x0003, 0x0103,
64 0x0104, 0x100f, 0x100f, 0x0105, 0x0004, 0x0104, 0x0104, 0x100f,
65 0x100f, 0x0102, 0x010f, 0x100f, 0x0104, 0x100f, 0x100f, 0x0107,
66 0x100f, 0x0105, 0x0105, 0x0005, 0x0104, 0x100f, 0x100f, 0x0105,
67 0x0106, 0x100f, 0x100f, 0x0105, 0x100f, 0x010e, 0x0103, 0x100f,
68 0x100f, 0x010c, 0x0101, 0x100f, 0x010a, 0x100f, 0x100f, 0x0109,
69 0x010a, 0x100f, 0x100f, 0x010b, 0x000a, 0x010a, 0x010a, 0x100f,
70 0x0108, 0x100f, 0x100f, 0x010b, 0x100f, 0x0100, 0x010d, 0x100f,
71 0x100f, 0x010b, 0x010b, 0x000b, 0x010a, 0x100f, 0x100f, 0x010b,
72 0x010c, 0x000c, 0x100f, 0x010c, 0x100f, 0x010c, 0x010d, 0x100f,
73 0x100f, 0x010c, 0x010f, 0x100f, 0x010a, 0x100f, 0x100f, 0x0107,
74 0x100f, 0x010c, 0x010d, 0x100f, 0x010d, 0x100f, 0x000d, 0x010d,
75 0x0106, 0x100f, 0x100f, 0x010b, 0x100f, 0x010e, 0x010d, 0x100f,
76 0x0108, 0x100f, 0x100f, 0x0109, 0x100f, 0x0109, 0x0109, 0x0009,
77 0x100f, 0x0102, 0x010f, 0x100f, 0x010a, 0x100f, 0x100f, 0x0109,
78 0x0008, 0x0108, 0x0108, 0x100f, 0x0108, 0x100f, 0x100f, 0x0109,
79 0x0108, 0x100f, 0x100f, 0x010b, 0x100f, 0x010e, 0x0103, 0x100f,
80 0x100f, 0x010c, 0x010f, 0x100f, 0x0104, 0x100f, 0x100f, 0x0109,
81 0x010f, 0x100f, 0x000f, 0x010f, 0x100f, 0x010e, 0x010f, 0x100f,
82 0x0108, 0x100f, 0x100f, 0x0105, 0x100f, 0x010e, 0x010d, 0x100f,
83 0x100f, 0x010e, 0x010f, 0x100f, 0x010e, 0x000e, 0x100f, 0x010e,
84};
85
86const std::array<const uint8_t,256> hamm84tab
87{
88 255,255,255,255,255,255,255,255,255, 0, // 0 - 9
89 255, 8,255,255,255,255,255,255,255,255, // 10 - 19
90 255,255,255,255,255,255,255,255, 6,255, // 20 - 29
91 14,255,255,255,255,255, 12,255, 4,255, // 30 - 39
92 255,255,255,255,255,255,255,255,255, 10, // 40 - 49
93 255, 2,255,255,255,255,255,255,255,255, // 50 - 59
94 255,255,255,255, 1,255, 9,255,255,255, // 60 - 69
95 255,255,255,255,255,255,255,255,255,255, // 70 - 79
96 255,255,255,255,255, 7,255, 15,255,255, // 80 - 89
97 255,255,255,255,255,255,255,255,255,255, // 90 - 99
98 255,255,255,255,255,255,255,255,255, 13, // 100 - 109
99 255, 5,255,255,255,255,255,255,255,255, // 110 - 119
100 11,255, 3,255,255,255,255,255,255,255, // 120 - 129
101 255,255,255, 12,255, 4,255,255,255,255, // 130 - 139
102 255,255,255,255, 10,255, 2,255,255,255, // 140 - 149
103 255,255,255,255,255,255,255,255,255,255, // 150 - 159
104 255,255,255,255,255,255,255,255, 0,255, // 160 - 169
105 8,255,255,255,255,255,255,255,255,255, // 170 - 179
106 255,255,255,255,255,255,255,255,255, 6, // 180 - 189
107 255, 14,255,255,255,255,255,255,255,255, // 190 - 199
108 255,255,255,255, 13,255, 5,255,255,255, // 200 - 209
109 255,255,255,255,255,255,255, 11,255, 3, // 210 - 219
110 255,255,255,255,255, 1,255, 9,255,255, // 220 - 229
111 255,255,255,255,255,255,255,255,255,255, // 230 - 239
112 255,255,255,255, 7,255, 15,255,255,255, // 240 - 249
113 255,255,255,255,255,255 }; // 250 - 255
114
115
116const std::array<const uint8_t,256> unham84tab
117{
118 0x01, 0xff, 0x81, 0x01, 0xff, 0x00, 0x01, 0xff, // 0x
119 0xff, 0x02, 0x01, 0xff, 0x0a, 0xff, 0xff, 0x07,
120 0xff, 0x00, 0x01, 0xff, 0x00, 0x80, 0xff, 0x00, // 1x
121 0x06, 0xff, 0xff, 0x0b, 0xff, 0x00, 0x03, 0xff,
122 0xff, 0x0c, 0x01, 0xff, 0x04, 0xff, 0xff, 0x07, // 2x
123 0x06, 0xff, 0xff, 0x07, 0xff, 0x07, 0x07, 0x87,
124 0x06, 0xff, 0xff, 0x05, 0xff, 0x00, 0x0d, 0xff,
125 0x86, 0x06, 0x06, 0xff, 0x06, 0xff, 0xff, 0x07,
126 0xff, 0x02, 0x01, 0xff, 0x04, 0xff, 0xff, 0x09,
127 0x02, 0x82, 0xff, 0x02, 0xff, 0x02, 0x03, 0xff,
128 0x08, 0xff, 0xff, 0x05, 0xff, 0x00, 0x03, 0xff,
129 0xff, 0x02, 0x03, 0xff, 0x03, 0xff, 0x83, 0x03,
130 0x04, 0xff, 0xff, 0x05, 0x84, 0x04, 0x04, 0xff,
131 0xff, 0x02, 0x0f, 0xff, 0x04, 0xff, 0xff, 0x07,
132 0xff, 0x05, 0x05, 0x85, 0x04, 0xff, 0xff, 0x05,
133 0x06, 0xff, 0xff, 0x05, 0xff, 0x0e, 0x03, 0xff,
134 0xff, 0x0c, 0x01, 0xff, 0x0a, 0xff, 0xff, 0x09,
135 0x0a, 0xff, 0xff, 0x0b, 0x8a, 0x0a, 0x0a, 0xff,
136 0x08, 0xff, 0xff, 0x0b, 0xff, 0x00, 0x0d, 0xff,
137 0xff, 0x0b, 0x0b, 0x8b, 0x0a, 0xff, 0xff, 0x0b,
138 0x0c, 0x8c, 0xff, 0x0c, 0xff, 0x0c, 0x0d, 0xff,
139 0xff, 0x0c, 0x0f, 0xff, 0x0a, 0xff, 0xff, 0x07,
140 0xff, 0x0c, 0x0d, 0xff, 0x0d, 0xff, 0x8d, 0x0d,
141 0x06, 0xff, 0xff, 0x0b, 0xff, 0x0e, 0x0d, 0xff,
142 0x08, 0xff, 0xff, 0x09, 0xff, 0x09, 0x09, 0x89,
143 0xff, 0x02, 0x0f, 0xff, 0x0a, 0xff, 0xff, 0x09,
144 0x88, 0x08, 0x08, 0xff, 0x08, 0xff, 0xff, 0x09,
145 0x08, 0xff, 0xff, 0x0b, 0xff, 0x0e, 0x03, 0xff,
146 0xff, 0x0c, 0x0f, 0xff, 0x04, 0xff, 0xff, 0x09,
147 0x0f, 0xff, 0x8f, 0x0f, 0xff, 0x0e, 0x0f, 0xff,
148 0x08, 0xff, 0xff, 0x05, 0xff, 0x0e, 0x0d, 0xff,
149 0xff, 0x0e, 0x0f, 0xff, 0x0e, 0x8e, 0xff, 0x0e,
150};
151
152const std::array<const uint8_t,256> vbi_bit_reverse
153{
154 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
155 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
156 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
157 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
158 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
159 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
160 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
161 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
162 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
163 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
164 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
165 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
166 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
167 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
168 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
169 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
170 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
171 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
172 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
173 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
174 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
175 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
176 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
177 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
178 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
179 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
180 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
181 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
182 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
183 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
184 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
185 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
186};
187
188const std::array<const std::string, 8> formats
189{
190 "Full format 4:3, 576 lines",
191 "Letterbox 14:9 centre, 504 lines",
192 "Letterbox 14:9 top, 504 lines",
193 "Letterbox 16:9 centre, 430 lines",
194 "Letterbox 16:9 top, 430 lines",
195 "Letterbox > 16:9 centre",
196 "Full format 14:9 centre, 576 lines",
197 "Anamorphic 16:9, 576 lines"
198};
199
200const std::array<const std::string,4> subtitles
201{
202 "none",
203 "in active image area",
204 "out of active image area",
205 "?"
206};
207
212const std::array<const std::array<const uint8_t,256>,3> hamm24par
213{{
214 { // parities of first byte
215 0, 33, 34, 3, 35, 2, 1, 32, 36, 5, 6, 39, 7, 38, 37, 4,
216 37, 4, 7, 38, 6, 39, 36, 5, 1, 32, 35, 2, 34, 3, 0, 33,
217 38, 7, 4, 37, 5, 36, 39, 6, 2, 35, 32, 1, 33, 0, 3, 34,
218 3, 34, 33, 0, 32, 1, 2, 35, 39, 6, 5, 36, 4, 37, 38, 7,
219 39, 6, 5, 36, 4, 37, 38, 7, 3, 34, 33, 0, 32, 1, 2, 35,
220 2, 35, 32, 1, 33, 0, 3, 34, 38, 7, 4, 37, 5, 36, 39, 6,
221 1, 32, 35, 2, 34, 3, 0, 33, 37, 4, 7, 38, 6, 39, 36, 5,
222 36, 5, 6, 39, 7, 38, 37, 4, 0, 33, 34, 3, 35, 2, 1, 32,
223 40, 9, 10, 43, 11, 42, 41, 8, 12, 45, 46, 15, 47, 14, 13, 44,
224 13, 44, 47, 14, 46, 15, 12, 45, 41, 8, 11, 42, 10, 43, 40, 9,
225 14, 47, 44, 13, 45, 12, 15, 46, 42, 11, 8, 41, 9, 40, 43, 10,
226 43, 10, 9, 40, 8, 41, 42, 11, 15, 46, 45, 12, 44, 13, 14, 47,
227 15, 46, 45, 12, 44, 13, 14, 47, 43, 10, 9, 40, 8, 41, 42, 11,
228 42, 11, 8, 41, 9, 40, 43, 10, 14, 47, 44, 13, 45, 12, 15, 46,
229 41, 8, 11, 42, 10, 43, 40, 9, 13, 44, 47, 14, 46, 15, 12, 45,
230 12, 45, 46, 15, 47, 14, 13, 44, 40, 9, 10, 43, 11, 42, 41, 8
231 },
232 { // parities of second byte
233 0, 41, 42, 3, 43, 2, 1, 40, 44, 5, 6, 47, 7, 46, 45, 4,
234 45, 4, 7, 46, 6, 47, 44, 5, 1, 40, 43, 2, 42, 3, 0, 41,
235 46, 7, 4, 45, 5, 44, 47, 6, 2, 43, 40, 1, 41, 0, 3, 42,
236 3, 42, 41, 0, 40, 1, 2, 43, 47, 6, 5, 44, 4, 45, 46, 7,
237 47, 6, 5, 44, 4, 45, 46, 7, 3, 42, 41, 0, 40, 1, 2, 43,
238 2, 43, 40, 1, 41, 0, 3, 42, 46, 7, 4, 45, 5, 44, 47, 6,
239 1, 40, 43, 2, 42, 3, 0, 41, 45, 4, 7, 46, 6, 47, 44, 5,
240 44, 5, 6, 47, 7, 46, 45, 4, 0, 41, 42, 3, 43, 2, 1, 40,
241 48, 25, 26, 51, 27, 50, 49, 24, 28, 53, 54, 31, 55, 30, 29, 52,
242 29, 52, 55, 30, 54, 31, 28, 53, 49, 24, 27, 50, 26, 51, 48, 25,
243 30, 55, 52, 29, 53, 28, 31, 54, 50, 27, 24, 49, 25, 48, 51, 26,
244 51, 26, 25, 48, 24, 49, 50, 27, 31, 54, 53, 28, 52, 29, 30, 55,
245 31, 54, 53, 28, 52, 29, 30, 55, 51, 26, 25, 48, 24, 49, 50, 27,
246 50, 27, 24, 49, 25, 48, 51, 26, 30, 55, 52, 29, 53, 28, 31, 54,
247 49, 24, 27, 50, 26, 51, 48, 25, 29, 52, 55, 30, 54, 31, 28, 53,
248 28, 53, 54, 31, 55, 30, 29, 52, 48, 25, 26, 51, 27, 50, 49, 24
249 },
250 { // parities of third byte
251 63, 14, 13, 60, 12, 61, 62, 15, 11, 58, 57, 8, 56, 9, 10, 59,
252 10, 59, 56, 9, 57, 8, 11, 58, 62, 15, 12, 61, 13, 60, 63, 14,
253 9, 56, 59, 10, 58, 11, 8, 57, 61, 12, 15, 62, 14, 63, 60, 13,
254 60, 13, 14, 63, 15, 62, 61, 12, 8, 57, 58, 11, 59, 10, 9, 56,
255 8, 57, 58, 11, 59, 10, 9, 56, 60, 13, 14, 63, 15, 62, 61, 12,
256 61, 12, 15, 62, 14, 63, 60, 13, 9, 56, 59, 10, 58, 11, 8, 57,
257 62, 15, 12, 61, 13, 60, 63, 14, 10, 59, 56, 9, 57, 8, 11, 58,
258 11, 58, 57, 8, 56, 9, 10, 59, 63, 14, 13, 60, 12, 61, 62, 15,
259 31, 46, 45, 28, 44, 29, 30, 47, 43, 26, 25, 40, 24, 41, 42, 27,
260 42, 27, 24, 41, 25, 40, 43, 26, 30, 47, 44, 29, 45, 28, 31, 46,
261 41, 24, 27, 42, 26, 43, 40, 25, 29, 44, 47, 30, 46, 31, 28, 45,
262 28, 45, 46, 31, 47, 30, 29, 44, 40, 25, 26, 43, 27, 42, 41, 24,
263 40, 25, 26, 43, 27, 42, 41, 24, 28, 45, 46, 31, 47, 30, 29, 44,
264 29, 44, 47, 30, 46, 31, 28, 45, 41, 24, 27, 42, 26, 43, 40, 25,
265 30, 47, 44, 29, 45, 28, 31, 46, 42, 27, 24, 41, 25, 40, 43, 26,
266 43, 26, 25, 40, 24, 41, 42, 27, 31, 46, 45, 28, 44, 29, 30, 47
267 }
268}};
269
270
272const std::array<const uint8_t,256> hamm24val
273{
274 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1,
275 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3,
276 4, 4, 4, 4, 5, 5, 5, 5, 4, 4, 4, 4, 5, 5, 5, 5,
277 6, 6, 6, 6, 7, 7, 7, 7, 6, 6, 6, 6, 7, 7, 7, 7,
278 8, 8, 8, 8, 9, 9, 9, 9, 8, 8, 8, 8, 9, 9, 9, 9,
279 10, 10, 10, 10, 11, 11, 11, 11, 10, 10, 10, 10, 11, 11, 11, 11,
280 12, 12, 12, 12, 13, 13, 13, 13, 12, 12, 12, 12, 13, 13, 13, 13,
281 14, 14, 14, 14, 15, 15, 15, 15, 14, 14, 14, 14, 15, 15, 15, 15,
282 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1,
283 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3,
284 4, 4, 4, 4, 5, 5, 5, 5, 4, 4, 4, 4, 5, 5, 5, 5,
285 6, 6, 6, 6, 7, 7, 7, 7, 6, 6, 6, 6, 7, 7, 7, 7,
286 8, 8, 8, 8, 9, 9, 9, 9, 8, 8, 8, 8, 9, 9, 9, 9,
287 10, 10, 10, 10, 11, 11, 11, 11, 10, 10, 10, 10, 11, 11, 11, 11,
288 12, 12, 12, 12, 13, 13, 13, 13, 12, 12, 12, 12, 13, 13, 13, 13,
289 14, 14, 14, 14, 15, 15, 15, 15, 14, 14, 14, 14, 15, 15, 15, 15
290};
291
292
293
298const std::array<const uint16_t, 64> hamm24err
299{
300 0x0000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000,
301 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000,
302 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000,
303 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000,
304 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100,
305 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100,
306 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100, 0x0100,
307 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000, 0x1000,
308};
309
310
314const std::array<const int32_t, 64> hamm24cor
315{
316 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000,
317 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000,
318 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000,
319 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000,
320 0x00000, 0x00000, 0x00000, 0x00001, 0x00000, 0x00002, 0x00004, 0x00008,
321 0x00000, 0x00010, 0x00020, 0x00040, 0x00080, 0x00100, 0x00200, 0x00400,
322 0x00000, 0x00800, 0x01000, 0x02000, 0x04000, 0x08000, 0x10000, 0x20000,
323 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000, 0x00000,
324};
325
326int hamm8(const uint8_t *p, int *err)
327{
328 int a = hammtab[p[0]];
329 *err += a;
330 return a & 15;
331}
332
333int hamm84(const uint8_t *p, int *err)
334{
335 int a = hamm84tab[p[0]];
336
337 if (a == 255)
338 *err = 1;
339
340 return a;
341}
342
343int hamm16(const uint8_t *p, int *err)
344{
345 int a = hammtab[p[0]];
346 int b = hammtab[p[1]];
347 *err += a;
348 *err += b;
349 return (a & 15) | ((b & 15) * 16);
350}
351
352int hamm24(const uint8_t *p, int *err)
353{
354 int e = hamm24par[0][p[0]] ^ hamm24par[1][p[1]] ^ hamm24par[2][p[2]];
355 int x = hamm24val[p[0]] + (p[1] % 128 * 16) + (p[2] % 128 * 2048);
356
357 *err += hamm24err[e];
358 return x ^ hamm24cor[e];
359}
hamm24
int hamm24(const uint8_t *p, int *err)
Definition: vbilut.cpp:352
hamm24cor
const std::array< const int32_t, 64 > hamm24cor
Mapping from parity checks made by table hamm24par to faulty bit in the decoded 18 bit word.
Definition: vbilut.cpp:315
hammtab
const std::array< const uint16_t, 256 > hammtab
Definition: vbilut.cpp:51
vbi_bit_reverse
const std::array< const uint8_t, 256 > vbi_bit_reverse
Definition: vbilut.cpp:153
hamm24val
const std::array< const uint8_t, 256 > hamm24val
Table to extract the lower 4 bit from hamm24/18 encoded bytes.
Definition: vbilut.cpp:273
hamm8
int hamm8(const uint8_t *p, int *err)
Definition: vbilut.cpp:326
subtitles
const std::array< const std::string, 4 > subtitles
Definition: vbilut.cpp:201
hamm24err
const std::array< const uint16_t, 64 > hamm24err
Mapping from parity checks made by table hamm24par to error results return by hamm24.
Definition: vbilut.cpp:299
hamm24par
const std::array< const std::array< const uint8_t, 256 >, 3 > hamm24par
This table generates the parity checks for hamm24/18 decoding.
Definition: vbilut.cpp:213
formats
const std::array< const std::string, 8 > formats
Definition: vbilut.cpp:189
hamm84tab
const std::array< const uint8_t, 256 > hamm84tab
Definition: vbilut.cpp:87
unham84tab
const std::array< const uint8_t, 256 > unham84tab
Definition: vbilut.cpp:117
lang_chars
const std::array< const std::array< const uint8_t, 16 >, 1+8+8 > lang_chars
Definition: vbilut.cpp:4
chartab_original
const std::array< const uint8_t, 13 > chartab_original
Definition: vbilut.cpp:45
hamm84
int hamm84(const uint8_t *p, int *err)
Definition: vbilut.cpp:333
hamm16
int hamm16(const uint8_t *p, int *err)
Definition: vbilut.cpp:343
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