1 /*****************************************************************************
2 * video_parser.h : Variable Length Codes
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
5 * $Id: vpar_blocks.h,v 1.1 2001/11/13 12:09:18 henri Exp $
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Jean-Marc Dressler <polux@via.ecp.fr>
9 * Stéphane Borel <stef@via.ecp.fr>
10 * Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
11 * Michel Lespinasse <walken@zoy.org>
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
26 *****************************************************************************/
28 /*****************************************************************************
29 * lookup_t : entry type for lookup tables *
30 *****************************************************************************/
31 typedef struct lookup_s
37 typedef struct dmv_lookup_s
43 /*****************************************************************************
44 * dct_lookup_t : special entry type for lookup tables about ac coefficients
45 *****************************************************************************/
46 typedef struct dct_lookup_s
53 /*****************************************************************************
55 *****************************************************************************/
58 #define MOTION_TYPE_MASK (3*64)
59 #define MOTION_TYPE_BASE 64
60 #define MC_FIELD (1*64)
61 #define MC_FRAME (2*64)
62 #define MC_16X8 (2*64)
65 /* Macroblock Address Increment types */
66 #define MB_ADDRINC_ESCAPE 8
67 #define MB_ADDRINC_STUFFING 15
69 /* Error constant for lookup tables */
76 /* Constant for block decoding */
81 /*****************************************************************************
82 * Lookup tables for macroblock modes
83 *****************************************************************************/
85 #define INTRA MB_INTRA
86 #define QUANT MB_QUANT
88 static lookup_t MB_I [] = {
89 {INTRA|QUANT, 2}, {INTRA, 1}
92 #define MC MB_MOTION_FORWARD
93 #define CODED MB_PATTERN
95 static lookup_t MB_P [] = {
96 {INTRA|QUANT, 6}, {CODED|QUANT, 5}, {MC|CODED|QUANT, 5}, {INTRA, 5},
97 {MC, 3}, {MC, 3}, {MC, 3}, {MC, 3},
98 {CODED, 2}, {CODED, 2}, {CODED, 2}, {CODED, 2},
99 {CODED, 2}, {CODED, 2}, {CODED, 2}, {CODED, 2},
100 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
101 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
102 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
103 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}
106 #define FWD MB_MOTION_FORWARD
107 #define BWD MB_MOTION_BACKWARD
108 #define INTER MB_MOTION_FORWARD|MB_MOTION_BACKWARD
110 static lookup_t MB_B [] = {
111 {0, 0}, {INTRA|QUANT, 6},
112 {BWD|CODED|QUANT, 6}, {FWD|CODED|QUANT, 6},
113 {INTER|CODED|QUANT, 5}, {INTER|CODED|QUANT, 5},
114 {INTRA, 5}, {INTRA, 5},
115 {FWD, 4}, {FWD, 4}, {FWD, 4}, {FWD, 4},
116 {FWD|CODED, 4}, {FWD|CODED, 4}, {FWD|CODED, 4}, {FWD|CODED, 4},
117 {BWD, 3}, {BWD, 3}, {BWD, 3}, {BWD, 3},
118 {BWD, 3}, {BWD, 3}, {BWD, 3}, {BWD, 3},
119 {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3},
120 {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3},
121 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
122 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
123 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
124 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
125 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
126 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
127 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
128 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}
140 /*****************************************************************************
141 * Lookup tables for motion vectors
142 *****************************************************************************/
144 static lookup_t MV_4 [] = {
145 { 3, 6}, { 2, 4}, { 1, 3}, { 1, 3}, { 0, 2}, { 0, 2}, { 0, 2}, { 0, 2}
148 static lookup_t MV_10 [] = {
149 { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10},
150 { 0,10}, { 0,10}, { 0,10}, { 0,10}, {15,10}, {14,10}, {13,10}, {12,10},
151 {11,10}, {10,10}, { 9, 9}, { 9, 9}, { 8, 9}, { 8, 9}, { 7, 9}, { 7, 9},
152 { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7},
153 { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7},
154 { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}
158 static dmv_lookup_t DMV_2 [] = {
159 { 0, 1}, { 0, 1}, { 1, 2}, {-1, 2}
163 /*****************************************************************************
164 * Lookup tables for Coded Block Patterns
165 *****************************************************************************/
167 static lookup_t CBP_7 [] = {
168 {0x22, 7}, {0x12, 7}, {0x0a, 7}, {0x06, 7},
169 {0x21, 7}, {0x11, 7}, {0x09, 7}, {0x05, 7},
170 {0x3f, 6}, {0x3f, 6}, {0x03, 6}, {0x03, 6},
171 {0x24, 6}, {0x24, 6}, {0x18, 6}, {0x18, 6},
172 {0x3e, 5}, {0x3e, 5}, {0x3e, 5}, {0x3e, 5},
173 {0x02, 5}, {0x02, 5}, {0x02, 5}, {0x02, 5},
174 {0x3d, 5}, {0x3d, 5}, {0x3d, 5}, {0x3d, 5},
175 {0x01, 5}, {0x01, 5}, {0x01, 5}, {0x01, 5},
176 {0x38, 5}, {0x38, 5}, {0x38, 5}, {0x38, 5},
177 {0x34, 5}, {0x34, 5}, {0x34, 5}, {0x34, 5},
178 {0x2c, 5}, {0x2c, 5}, {0x2c, 5}, {0x2c, 5},
179 {0x1c, 5}, {0x1c, 5}, {0x1c, 5}, {0x1c, 5},
180 {0x28, 5}, {0x28, 5}, {0x28, 5}, {0x28, 5},
181 {0x14, 5}, {0x14, 5}, {0x14, 5}, {0x14, 5},
182 {0x30, 5}, {0x30, 5}, {0x30, 5}, {0x30, 5},
183 {0x0c, 5}, {0x0c, 5}, {0x0c, 5}, {0x0c, 5},
184 {0x20, 4}, {0x20, 4}, {0x20, 4}, {0x20, 4},
185 {0x20, 4}, {0x20, 4}, {0x20, 4}, {0x20, 4},
186 {0x10, 4}, {0x10, 4}, {0x10, 4}, {0x10, 4},
187 {0x10, 4}, {0x10, 4}, {0x10, 4}, {0x10, 4},
188 {0x08, 4}, {0x08, 4}, {0x08, 4}, {0x08, 4},
189 {0x08, 4}, {0x08, 4}, {0x08, 4}, {0x08, 4},
190 {0x04, 4}, {0x04, 4}, {0x04, 4}, {0x04, 4},
191 {0x04, 4}, {0x04, 4}, {0x04, 4}, {0x04, 4},
192 {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3},
193 {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3},
194 {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3},
195 {0x3c, 3}, {0x3c, 3}, {0x3c, 3}, {0x3c, 3}
198 static lookup_t CBP_9 [] = {
199 {0, 0}, {0x00, 9}, {0x27, 9}, {0x1b, 9},
200 {0x3b, 9}, {0x37, 9}, {0x2f, 9}, {0x1f, 9},
201 {0x3a, 8}, {0x3a, 8}, {0x36, 8}, {0x36, 8},
202 {0x2e, 8}, {0x2e, 8}, {0x1e, 8}, {0x1e, 8},
203 {0x39, 8}, {0x39, 8}, {0x35, 8}, {0x35, 8},
204 {0x2d, 8}, {0x2d, 8}, {0x1d, 8}, {0x1d, 8},
205 {0x26, 8}, {0x26, 8}, {0x1a, 8}, {0x1a, 8},
206 {0x25, 8}, {0x25, 8}, {0x19, 8}, {0x19, 8},
207 {0x2b, 8}, {0x2b, 8}, {0x17, 8}, {0x17, 8},
208 {0x33, 8}, {0x33, 8}, {0x0f, 8}, {0x0f, 8},
209 {0x2a, 8}, {0x2a, 8}, {0x16, 8}, {0x16, 8},
210 {0x32, 8}, {0x32, 8}, {0x0e, 8}, {0x0e, 8},
211 {0x29, 8}, {0x29, 8}, {0x15, 8}, {0x15, 8},
212 {0x31, 8}, {0x31, 8}, {0x0d, 8}, {0x0d, 8},
213 {0x23, 8}, {0x23, 8}, {0x13, 8}, {0x13, 8},
214 {0x0b, 8}, {0x0b, 8}, {0x07, 8}, {0x07, 8}
218 /*****************************************************************************
219 * Lookup tables for coefficients
220 *****************************************************************************/
222 static lookup_t DC_lum_5 [] = {
223 {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
224 {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
225 {0, 3}, {0, 3}, {0, 3}, {0, 3}, {3, 3}, {3, 3}, {3, 3}, {3, 3},
226 {4, 3}, {4, 3}, {4, 3}, {4, 3}, {5, 4}, {5, 4}, {6, 5}
229 static lookup_t DC_chrom_5 [] = {
230 {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2},
231 {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
232 {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
233 {3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}
236 static lookup_t DC_long [] = {
237 {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, { 6, 5}, { 6, 5},
238 {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, { 6, 5}, { 6, 5},
239 {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, { 7, 6}, { 7, 6},
240 {8, 7}, {8, 7}, {8, 7}, {8, 7}, {9, 8}, {9, 8}, {10, 9}, {11, 9}
244 static dct_lookup_t DCT_16 [] = {
245 {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
246 {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
247 {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
248 {129, 0, 16}, {129, 0, 16}, {129, 0, 16}, {129, 0, 16},
249 { 2,18, 16}, { 2,17, 16}, { 2,16, 16}, { 2,15, 16},
250 { 7, 3, 16}, { 17, 2, 16}, { 16, 2, 16}, { 15, 2, 16},
251 { 14, 2, 16}, { 13, 2, 16}, { 12, 2, 16}, { 32, 1, 16},
252 { 31, 1, 16}, { 30, 1, 16}, { 29, 1, 16}, { 28, 1, 16}
255 static dct_lookup_t DCT_15 [] = {
256 { 1,40,15}, { 1,39,15}, { 1,38,15}, { 1,37,15},
257 { 1,36,15}, { 1,35,15}, { 1,34,15}, { 1,33,15},
258 { 1,32,15}, { 2,14,15}, { 2,13,15}, { 2,12,15},
259 { 2,11,15}, { 2,10,15}, { 2, 9,15}, { 2, 8,15},
260 { 1,31,14}, { 1,31,14}, { 1,30,14}, { 1,30,14},
261 { 1,29,14}, { 1,29,14}, { 1,28,14}, { 1,28,14},
262 { 1,27,14}, { 1,27,14}, { 1,26,14}, { 1,26,14},
263 { 1,25,14}, { 1,25,14}, { 1,24,14}, { 1,24,14},
264 { 1,23,14}, { 1,23,14}, { 1,22,14}, { 1,22,14},
265 { 1,21,14}, { 1,21,14}, { 1,20,14}, { 1,20,14},
266 { 1,19,14}, { 1,19,14}, { 1,18,14}, { 1,18,14},
267 { 1,17,14}, { 1,17,14}, { 1,16,14}, { 1,16,14}
270 static dct_lookup_t DCT_13 [] = {
271 { 11, 2,13}, { 10, 2,13}, { 6, 3,13}, { 4, 4,13},
272 { 3, 5,13}, { 2, 7,13}, { 2, 6,13}, { 1,15,13},
273 { 1,14,13}, { 1,13,13}, { 1,12,13}, { 27, 1,13},
274 { 26, 1,13}, { 25, 1,13}, { 24, 1,13}, { 23, 1,13},
275 { 1,11,12}, { 1,11,12}, { 9, 2,12}, { 9, 2,12},
276 { 5, 3,12}, { 5, 3,12}, { 1,10,12}, { 1,10,12},
277 { 3, 4,12}, { 3, 4,12}, { 8, 2,12}, { 8, 2,12},
278 { 22, 1,12}, { 22, 1,12}, { 21, 1,12}, { 21, 1,12},
279 { 1, 9,12}, { 1, 9,12}, { 20, 1,12}, { 20, 1,12},
280 { 19, 1,12}, { 19, 1,12}, { 2, 5,12}, { 2, 5,12},
281 { 4, 3,12}, { 4, 3,12}, { 1, 8,12}, { 1, 8,12},
282 { 7, 2,12}, { 7, 2,12}, { 18, 1,12}, { 18, 1,12}
285 static dct_lookup_t DCT_B14_10 [] = {
286 { 17, 1,10}, { 6, 2,10}, { 1, 7,10}, { 3, 3,10},
287 { 2, 4,10}, { 16, 1,10}, { 15, 1,10}, { 5, 2,10}
290 static dct_lookup_t DCT_B14_8 [] = {
291 { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6},
292 { 3, 2, 7}, { 3, 2, 7}, { 10, 1, 7}, { 10, 1, 7},
293 { 1, 4, 7}, { 1, 4, 7}, { 9, 1, 7}, { 9, 1, 7},
294 { 8, 1, 6}, { 8, 1, 6}, { 8, 1, 6}, { 8, 1, 6},
295 { 7, 1, 6}, { 7, 1, 6}, { 7, 1, 6}, { 7, 1, 6},
296 { 2, 2, 6}, { 2, 2, 6}, { 2, 2, 6}, { 2, 2, 6},
297 { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6},
298 { 14, 1, 8}, { 1, 6, 8}, { 13, 1, 8}, { 12, 1, 8},
299 { 4, 2, 8}, { 2, 3, 8}, { 1, 5, 8}, { 11, 1, 8}
302 static dct_lookup_t DCT_B14AC_5 [] = {
303 { 1, 3, 5}, { 5, 1, 5}, { 4, 1, 5},
304 { 1, 2, 4}, { 1, 2, 4}, { 3, 1, 4}, { 3, 1, 4},
305 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
306 {129, 0, 2}, {129, 0, 2}, {129, 0, 2}, {129, 0, 2},
307 {129, 0, 2}, {129, 0, 2}, {129, 0, 2}, {129, 0, 2},
308 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
309 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}
312 static dct_lookup_t DCT_B14DC_5 [] = {
313 { 1, 3, 5}, { 5, 1, 5}, { 4, 1, 5},
314 { 1, 2, 4}, { 1, 2, 4}, { 3, 1, 4}, { 3, 1, 4},
315 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
316 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
317 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
318 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
319 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}
322 static dct_lookup_t DCT_B15_10 [] = {
323 { 6, 2, 9}, { 6, 2, 9}, { 15, 1, 9}, { 15, 1, 9},
324 { 3, 4,10}, { 17, 1,10}, { 16, 1, 9}, { 16, 1, 9}
327 static dct_lookup_t DCT_B15_8 [] = {
328 { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6}, { 65, 0, 6},
329 { 8, 1, 7}, { 8, 1, 7}, { 9, 1, 7}, { 9, 1, 7},
330 { 7, 1, 7}, { 7, 1, 7}, { 3, 2, 7}, { 3, 2, 7},
331 { 1, 7, 6}, { 1, 7, 6}, { 1, 7, 6}, { 1, 7, 6},
332 { 1, 6, 6}, { 1, 6, 6}, { 1, 6, 6}, { 1, 6, 6},
333 { 5, 1, 6}, { 5, 1, 6}, { 5, 1, 6}, { 5, 1, 6},
334 { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6},
335 { 2, 5, 8}, { 12, 1, 8}, { 1,11, 8}, { 1,10, 8},
336 { 14, 1, 8}, { 13, 1, 8}, { 4, 2, 8}, { 2, 4, 8},
337 { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5},
338 { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5},
339 { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5},
340 { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5},
341 { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5},
342 { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5},
343 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
344 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
345 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
346 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
347 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
348 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
349 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
350 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
351 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
352 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
353 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
354 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
355 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
356 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
357 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
358 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
359 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
360 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
361 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
362 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
363 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
364 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
365 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
366 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
367 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
368 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
369 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
370 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
371 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
372 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
373 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
374 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
375 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
376 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
377 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
378 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
379 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
380 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
381 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
382 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
383 { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5},
384 { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5},
385 { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5},
386 { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5},
387 { 10, 1, 7}, { 10, 1, 7}, { 2, 3, 7}, { 2, 3, 7},
388 { 11, 1, 7}, { 11, 1, 7}, { 1, 8, 7}, { 1, 8, 7},
389 { 1, 9, 7}, { 1, 9, 7}, { 1,12, 8}, { 1,13, 8},
390 { 3, 3, 8}, { 5, 2, 8}, { 1,14, 8}, { 1,15, 8}
394 /*****************************************************************************
395 * Lookup tables for Macroblock Address Increment
396 *****************************************************************************/
398 static lookup_t MBA_5 [] = {
399 {6, 5}, {5, 5}, {4, 4}, {4, 4}, {3, 4}, {3, 4},
400 {2, 3}, {2, 3}, {2, 3}, {2, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
401 {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1},
402 {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}
405 static lookup_t MBA_11 [] = {
406 {32, 11}, {31, 11}, {30, 11}, {29, 11},
407 {28, 11}, {27, 11}, {26, 11}, {25, 11},
408 {24, 11}, {23, 11}, {22, 11}, {21, 11},
409 {20, 10}, {20, 10}, {19, 10}, {19, 10},
410 {18, 10}, {18, 10}, {17, 10}, {17, 10},
411 {16, 10}, {16, 10}, {15, 10}, {15, 10},
412 {14, 8}, {14, 8}, {14, 8}, {14, 8},
413 {14, 8}, {14, 8}, {14, 8}, {14, 8},
414 {13, 8}, {13, 8}, {13, 8}, {13, 8},
415 {13, 8}, {13, 8}, {13, 8}, {13, 8},
416 {12, 8}, {12, 8}, {12, 8}, {12, 8},
417 {12, 8}, {12, 8}, {12, 8}, {12, 8},
418 {11, 8}, {11, 8}, {11, 8}, {11, 8},
419 {11, 8}, {11, 8}, {11, 8}, {11, 8},
420 {10, 8}, {10, 8}, {10, 8}, {10, 8},
421 {10, 8}, {10, 8}, {10, 8}, {10, 8},
422 { 9, 8}, { 9, 8}, { 9, 8}, { 9, 8},
423 { 9, 8}, { 9, 8}, { 9, 8}, { 9, 8},
424 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
425 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
426 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
427 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
428 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
429 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
430 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
431 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7}