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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.h"
33
34/**
35 * standard picture dimensions
36 */
37static const uint16_t ivi4_common_pic_sizes[14] = {
38 640, 480, 320, 240, 160, 120, 704, 480, 352, 240, 352, 288, 176, 144
39};
40
41/**
42 * Indeo 4 8x8 scan (zigzag) patterns
43 */
44static const uint8_t ivi4_alternate_scan_8x8[64] = {
45 0, 8, 1, 9, 16, 24, 2, 3, 17, 25, 10, 11, 32, 40, 48, 56,
46 4, 5, 6, 7, 33, 41, 49, 57, 18, 19, 26, 27, 12, 13, 14, 15,
47 34, 35, 43, 42, 50, 51, 59, 58, 20, 21, 22, 23, 31, 30, 29, 28,
48 36, 37, 38, 39, 47, 46, 45, 44, 52, 53, 54, 55, 63, 62, 61, 60
49};
50
51static const uint8_t ivi4_alternate_scan_4x4[16] = {
52 0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15
53};
54
55static const uint8_t ivi4_vertical_scan_4x4[16] = {
56 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15
57};
58
59static const uint8_t ivi4_horizontal_scan_4x4[16] = {
60 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
61};
62
63static const uint8_t * const scan_index_to_tab[15] = {
64 // for 8x8 transforms
65 ff_zigzag_direct,
66 ivi4_alternate_scan_8x8,
67 ff_ivi_horizontal_scan_8x8,
68 ff_ivi_vertical_scan_8x8,
69 ff_zigzag_direct,
70
71 // for 4x4 transforms
72 ff_ivi_direct_scan_4x4,
73 ivi4_alternate_scan_4x4,
74 ivi4_vertical_scan_4x4,
75 ivi4_horizontal_scan_4x4,
76 ff_ivi_direct_scan_4x4,
77
78 // TODO: check if those are needed
79 ff_ivi_horizontal_scan_8x8,
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};
85
86/**
87 * Indeo 4 dequant tables
88 */
89static const uint16_t ivi4_quant_8x8_intra[9][64] = {
90 {
91 43, 342, 385, 470, 555, 555, 598, 726,
92 342, 342, 470, 513, 555, 598, 726, 769,
93 385, 470, 555, 555, 598, 726, 726, 811,
94 470, 470, 555, 555, 598, 726, 769, 854,
95 470, 555, 555, 598, 683, 726, 854, 1025,
96 555, 555, 598, 683, 726, 854, 1025, 1153,
97 555, 555, 598, 726, 811, 982, 1195, 1451,
98 555, 598, 726, 811, 982, 1195, 1451, 1793
99 },
100 {
101 86, 1195, 2390, 2390, 4865, 4865, 4865, 4865,
102 1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865,
103 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,
104 2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,
105 4865, 4865, 6827, 6827, 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 },
110 {
111 235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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 },
120 {
121 1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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 },
130 {
131 897, 897, 897, 897, 897, 897, 897, 897,
132 1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067,
133 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,
134 1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409,
135 1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579,
136 1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
137 1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921,
138 2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091
139 },
140 {
141 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
142 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
143 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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 },
150 {
151 2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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 },
160 {
161 22, 171, 214, 257, 257, 299, 299, 342,
162 171, 171, 257, 257, 299, 299, 342, 385,
163 214, 257, 257, 299, 299, 342, 342, 385,
164 257, 257, 257, 299, 299, 342, 385, 427,
165 257, 257, 299, 299, 342, 385, 427, 513,
166 257, 299, 299, 342, 385, 427, 513, 598,
167 299, 299, 299, 385, 385, 470, 598, 726,
168 299, 299, 385, 385, 470, 598, 726, 897
169 },
170 {
171 86, 598, 1195, 1195, 2390, 2390, 2390, 2390,
172 598, 598, 1195, 1195, 2390, 2390, 2390, 2390,
173 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,
174 1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,
175 2390, 2390, 3414, 3414, 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 }
180};
181
182static const uint16_t ivi4_quant_8x8_inter[9][64] = {
183 {
184 427, 427, 470, 427, 427, 427, 470, 470,
185 427, 427, 470, 427, 427, 427, 470, 470,
186 470, 470, 470, 470, 470, 470, 470, 470,
187 427, 427, 470, 470, 427, 427, 470, 470,
188 427, 427, 470, 427, 427, 427, 470, 470,
189 427, 427, 470, 427, 427, 427, 470, 470,
190 470, 470, 470, 470, 470, 470, 470, 470,
191 470, 470, 470, 470, 470, 470, 470, 470
192 },
193 {
194 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,
195 1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,
196 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,
197 2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,
198 3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
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 },
203 {
204 1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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 },
213 {
214 2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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 },
223 {
224 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
225 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
226 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,
227 1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,
228 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
229 1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
230 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,
231 1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281
232 },
233 {
234 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
235 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
236 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
237 3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
238 2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
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 },
243 {
244 1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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 },
253 {
254 86, 171, 171, 214, 214, 214, 214, 257,
255 171, 171, 214, 214, 214, 214, 257, 257,
256 171, 214, 214, 214, 214, 257, 257, 257,
257 214, 214, 214, 214, 257, 257, 257, 299,
258 214, 214, 214, 257, 257, 257, 299, 299,
259 214, 214, 257, 257, 257, 299, 299, 299,
260 214, 257, 257, 257, 299, 299, 299, 342,
261 257, 257, 257, 299, 299, 299, 342, 342
262 },
263 {
264 854, 854, 1195, 1195, 1707, 1707, 1707, 1707,
265 854, 854, 1195, 1195, 1707, 1707, 1707, 1707,
266 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,
267 1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,
268 1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
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 }
273};
274
275static const uint16_t ivi4_quant_4x4_intra[5][16] = {
276 {
277 22, 214, 257, 299,
278 214, 257, 299, 342,
279 257, 299, 342, 427,
280 299, 342, 427, 513
281 },
282 {
283 129, 1025, 1451, 1451,
284 1025, 1025, 1451, 1451,
285 1451, 1451, 2049, 2049,
286 1451, 1451, 2049, 2049
287 },
288 {
289 43, 171, 171, 171,
290 43, 171, 171, 171,
291 43, 171, 171, 171,
292 43, 171, 171, 171
293 },
294 {
295 43, 43, 43, 43,
296 171, 171, 171, 171,
297 171, 171, 171, 171,
298 171, 171, 171, 171
299 },
300 {
301 43, 43, 43, 43,
302 43, 43, 43, 43,
303 43, 43, 43, 43,
304 43, 43, 43, 43
305 }
306};
307
308static const uint16_t ivi4_quant_4x4_inter[5][16] = {
309 {
310 107, 214, 257, 299,
311 214, 257, 299, 299,
312 257, 299, 299, 342,
313 299, 299, 342, 342
314 },
315 {
316 513, 1025, 1238, 1238,
317 1025, 1025, 1238, 1238,
318 1238, 1238, 1451, 1451,
319 1238, 1238, 1451, 1451
320 },
321 {
322 43, 171, 171, 171,
323 43, 171, 171, 171,
324 43, 171, 171, 171,
325 43, 171, 171, 171
326 },
327 {
328 43, 43, 43, 43,
329 171, 171, 171, 171,
330 171, 171, 171, 171,
331 171, 171, 171, 171
332 },
333 {
334 43, 43, 43, 43,
335 43, 43, 43, 43,
336 43, 43, 43, 43,
337 43, 43, 43, 43
338 }
339};
340
341/**
342 * Table for mapping quant matrix index from the bitstream
343 * into internal quant table number.
344 */
345static const uint8_t quant_index_to_tab[22] = {
346 0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8, // for 8x8 quant matrixes
347 0, 1, 2, 2, 3, 3, 4 // for 4x4 quant matrixes
348};
349
350#endif /* AVCODEC_INDEO4DATA_H */
351
generated by cgit at 2024-05-17 04:59:56 (GMT)