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1 | /* |
2 | * Indeo Video Interactive 4 compatible decoder | |
3 | * Copyright (c) 2009-2010 Maxim Poliakovski | |
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 | /** | |
23 | * @file | |
24 | * This file contains data needed for the Indeo 4 decoder. | |
25 | */ | |
26 | ||
27 | #ifndef AVCODEC_INDEO4DATA_H | |
28 | #define AVCODEC_INDEO4DATA_H | |
29 | ||
30 | #include <stdint.h> | |
31 | ||
32 | #include "ivi_common.h" | |
33 | #include "mathops.h" | |
34 | ||
35 | /** | |
36 | * standard picture dimensions | |
37 | */ | |
38 | static const uint16_t ivi4_common_pic_sizes[14] = { | |
39 | 640, 480, 320, 240, 160, 120, 704, 480, 352, 240, 352, 288, 176, 144 | |
40 | }; | |
41 | ||
42 | /** | |
43 | * Indeo 4 8x8 scan (zigzag) patterns | |
44 | */ | |
45 | static const uint8_t ivi4_alternate_scan_8x8[64] = { | |
46 | 0, 8, 1, 9, 16, 24, 2, 3, 17, 25, 10, 11, 32, 40, 48, 56, | |
47 | 4, 5, 6, 7, 33, 41, 49, 57, 18, 19, 26, 27, 12, 13, 14, 15, | |
48 | 34, 35, 43, 42, 50, 51, 59, 58, 20, 21, 22, 23, 31, 30, 29, 28, | |
49 | 36, 37, 38, 39, 47, 46, 45, 44, 52, 53, 54, 55, 63, 62, 61, 60 | |
50 | }; | |
51 | ||
52 | static const uint8_t ivi4_alternate_scan_4x4[16] = { | |
53 | 0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15 | |
54 | }; | |
55 | ||
56 | static const uint8_t ivi4_vertical_scan_4x4[16] = { | |
57 | 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 | |
58 | }; | |
59 | ||
60 | static const uint8_t ivi4_horizontal_scan_4x4[16] = { | |
61 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 | |
62 | }; | |
63 | ||
64 | static const uint8_t * const scan_index_to_tab[15] = { | |
65 | // for 8x8 transforms | |
66 | ff_zigzag_direct, | |
67 | ivi4_alternate_scan_8x8, | |
68 | ff_ivi_horizontal_scan_8x8, | |
69 | ff_ivi_vertical_scan_8x8, | |
70 | ff_zigzag_direct, | |
71 | ||
72 | // for 4x4 transforms | |
73 | ff_ivi_direct_scan_4x4, | |
74 | ivi4_alternate_scan_4x4, | |
75 | ivi4_vertical_scan_4x4, | |
76 | ivi4_horizontal_scan_4x4, | |
77 | ff_ivi_direct_scan_4x4, | |
78 | ||
79 | // TODO: check if those are needed | |
80 | ff_ivi_horizontal_scan_8x8, | |
81 | ff_ivi_horizontal_scan_8x8, | |
82 | ff_ivi_horizontal_scan_8x8, | |
83 | ff_ivi_horizontal_scan_8x8, | |
84 | ff_ivi_horizontal_scan_8x8 | |
85 | }; | |
86 | ||
87 | /** | |
88 | * Indeo 4 dequant tables | |
89 | */ | |
90 | static const uint16_t ivi4_quant_8x8_intra[9][64] = { | |
91 | { | |
92 | 43, 342, 385, 470, 555, 555, 598, 726, | |
93 | 342, 342, 470, 513, 555, 598, 726, 769, | |
94 | 385, 470, 555, 555, 598, 726, 726, 811, | |
95 | 470, 470, 555, 555, 598, 726, 769, 854, | |
96 | 470, 555, 555, 598, 683, 726, 854, 1025, | |
97 | 555, 555, 598, 683, 726, 854, 1025, 1153, | |
98 | 555, 555, 598, 726, 811, 982, 1195, 1451, | |
99 | 555, 598, 726, 811, 982, 1195, 1451, 1793 | |
100 | }, | |
101 | { | |
102 | 86, 1195, 2390, 2390, 4865, 4865, 4865, 4865, | |
103 | 1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865, | |
104 | 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827, | |
105 | 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827, | |
106 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, | |
107 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, | |
108 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827, | |
109 | 4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827 | |
110 | }, | |
111 | { | |
112 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
113 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
114 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
115 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
116 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
117 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
118 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835, | |
119 | 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835 | |
120 | }, | |
121 | { | |
122 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
123 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
124 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
125 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
126 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
127 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
128 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414, | |
129 | 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414 | |
130 | }, | |
131 | { | |
132 | 897, 897, 897, 897, 897, 897, 897, 897, | |
133 | 1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067, | |
134 | 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, | |
135 | 1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409, | |
136 | 1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579, | |
137 | 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750, | |
138 | 1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921, | |
139 | 2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091 | |
140 | }, | |
141 | { | |
142 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
143 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
144 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
145 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
146 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
147 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
148 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
149 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414 | |
150 | }, | |
151 | { | |
152 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
153 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
154 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
155 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
156 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
157 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
158 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390, | |
159 | 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390 | |
160 | }, | |
161 | { | |
162 | 22, 171, 214, 257, 257, 299, 299, 342, | |
163 | 171, 171, 257, 257, 299, 299, 342, 385, | |
164 | 214, 257, 257, 299, 299, 342, 342, 385, | |
165 | 257, 257, 257, 299, 299, 342, 385, 427, | |
166 | 257, 257, 299, 299, 342, 385, 427, 513, | |
167 | 257, 299, 299, 342, 385, 427, 513, 598, | |
168 | 299, 299, 299, 385, 385, 470, 598, 726, | |
169 | 299, 299, 385, 385, 470, 598, 726, 897 | |
170 | }, | |
171 | { | |
172 | 86, 598, 1195, 1195, 2390, 2390, 2390, 2390, | |
173 | 598, 598, 1195, 1195, 2390, 2390, 2390, 2390, | |
174 | 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414, | |
175 | 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414, | |
176 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, | |
177 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, | |
178 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414, | |
179 | 2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414 | |
180 | } | |
181 | }; | |
182 | ||
183 | static const uint16_t ivi4_quant_8x8_inter[9][64] = { | |
184 | { | |
185 | 427, 427, 470, 427, 427, 427, 470, 470, | |
186 | 427, 427, 470, 427, 427, 427, 470, 470, | |
187 | 470, 470, 470, 470, 470, 470, 470, 470, | |
188 | 427, 427, 470, 470, 427, 427, 470, 470, | |
189 | 427, 427, 470, 427, 427, 427, 470, 470, | |
190 | 427, 427, 470, 427, 427, 427, 470, 470, | |
191 | 470, 470, 470, 470, 470, 470, 470, 470, | |
192 | 470, 470, 470, 470, 470, 470, 470, 470 | |
193 | }, | |
194 | { | |
195 | 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414, | |
196 | 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414, | |
197 | 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822, | |
198 | 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822, | |
199 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, | |
200 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, | |
201 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414, | |
202 | 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414 | |
203 | }, | |
204 | { | |
205 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
206 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
207 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
208 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
209 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
210 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
211 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281, | |
212 | 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281 | |
213 | }, | |
214 | { | |
215 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
216 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
217 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
218 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
219 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
220 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
221 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433, | |
222 | 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433 | |
223 | }, | |
224 | { | |
225 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, | |
226 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, | |
227 | 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281, | |
228 | 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238, | |
229 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, | |
230 | 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195, | |
231 | 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281, | |
232 | 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281 | |
233 | }, | |
234 | { | |
235 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, | |
236 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, | |
237 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
238 | 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414, | |
239 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, | |
240 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, | |
241 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433, | |
242 | 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433 | |
243 | }, | |
244 | { | |
245 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
246 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
247 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
248 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
249 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
250 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
251 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707, | |
252 | 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707 | |
253 | }, | |
254 | { | |
255 | 86, 171, 171, 214, 214, 214, 214, 257, | |
256 | 171, 171, 214, 214, 214, 214, 257, 257, | |
257 | 171, 214, 214, 214, 214, 257, 257, 257, | |
258 | 214, 214, 214, 214, 257, 257, 257, 299, | |
259 | 214, 214, 214, 257, 257, 257, 299, 299, | |
260 | 214, 214, 257, 257, 257, 299, 299, 299, | |
261 | 214, 257, 257, 257, 299, 299, 299, 342, | |
262 | 257, 257, 257, 299, 299, 299, 342, 342 | |
263 | }, | |
264 | { | |
265 | 854, 854, 1195, 1195, 1707, 1707, 1707, 1707, | |
266 | 854, 854, 1195, 1195, 1707, 1707, 1707, 1707, | |
267 | 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390, | |
268 | 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390, | |
269 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, | |
270 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, | |
271 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707, | |
272 | 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707 | |
273 | } | |
274 | }; | |
275 | ||
276 | static const uint16_t ivi4_quant_4x4_intra[5][16] = { | |
277 | { | |
278 | 22, 214, 257, 299, | |
279 | 214, 257, 299, 342, | |
280 | 257, 299, 342, 427, | |
281 | 299, 342, 427, 513 | |
282 | }, | |
283 | { | |
284 | 129, 1025, 1451, 1451, | |
285 | 1025, 1025, 1451, 1451, | |
286 | 1451, 1451, 2049, 2049, | |
287 | 1451, 1451, 2049, 2049 | |
288 | }, | |
289 | { | |
290 | 43, 171, 171, 171, | |
291 | 43, 171, 171, 171, | |
292 | 43, 171, 171, 171, | |
293 | 43, 171, 171, 171 | |
294 | }, | |
295 | { | |
296 | 43, 43, 43, 43, | |
297 | 171, 171, 171, 171, | |
298 | 171, 171, 171, 171, | |
299 | 171, 171, 171, 171 | |
300 | }, | |
301 | { | |
302 | 43, 43, 43, 43, | |
303 | 43, 43, 43, 43, | |
304 | 43, 43, 43, 43, | |
305 | 43, 43, 43, 43 | |
306 | } | |
307 | }; | |
308 | ||
309 | static const uint16_t ivi4_quant_4x4_inter[5][16] = { | |
310 | { | |
311 | 107, 214, 257, 299, | |
312 | 214, 257, 299, 299, | |
313 | 257, 299, 299, 342, | |
314 | 299, 299, 342, 342 | |
315 | }, | |
316 | { | |
317 | 513, 1025, 1238, 1238, | |
318 | 1025, 1025, 1238, 1238, | |
319 | 1238, 1238, 1451, 1451, | |
320 | 1238, 1238, 1451, 1451 | |
321 | }, | |
322 | { | |
323 | 43, 171, 171, 171, | |
324 | 43, 171, 171, 171, | |
325 | 43, 171, 171, 171, | |
326 | 43, 171, 171, 171 | |
327 | }, | |
328 | { | |
329 | 43, 43, 43, 43, | |
330 | 171, 171, 171, 171, | |
331 | 171, 171, 171, 171, | |
332 | 171, 171, 171, 171 | |
333 | }, | |
334 | { | |
335 | 43, 43, 43, 43, | |
336 | 43, 43, 43, 43, | |
337 | 43, 43, 43, 43, | |
338 | 43, 43, 43, 43 | |
339 | } | |
340 | }; | |
341 | ||
342 | /** | |
343 | * Table for mapping quant matrix index from the bitstream | |
344 | * into internal quant table number. | |
345 | */ | |
346 | static const uint8_t quant_index_to_tab[22] = { | |
347 | 0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8, // for 8x8 quant matrixes | |
348 | 0, 1, 2, 2, 3, 3, 4 // for 4x4 quant matrixes | |
349 | }; | |
350 | ||
351 | #endif /* AVCODEC_INDEO4DATA_H */ |