2 * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of Libav.
7 * Libav 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.
12 * Libav 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.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * H.264 / AVC / MPEG4 part10 cabac decoding.
25 * @author Michael Niedermayer <michaelni@gmx.at>
32 #include "cabac_functions.h"
38 #include "h264_mvpred.h"
42 #include "x86/h264_i386.h"
48 /* Cabac pre state table */
50 static const int8_t cabac_context_init_I[1024][2] =
53 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
54 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
55 { -6, 53 }, { -1, 54 }, { 7, 51 },
57 /* 11 - 23 unsused for I */
58 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
59 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
60 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
64 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
65 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
66 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
67 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
70 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
71 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
72 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
76 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
80 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
81 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
82 { 13, 41 }, { 3, 62 },
85 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
86 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
87 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
88 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
89 { -12, 115 },{ -16, 122 },
92 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
93 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
94 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
95 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
99 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
100 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
101 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
102 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
103 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
104 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
105 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
106 { 14, 62 }, { -13, 108 },{ -15, 100 },
109 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
110 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
111 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
112 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
113 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
114 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
115 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
116 { 0, 62 }, { 12, 72 },
119 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
120 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
121 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
122 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
123 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
124 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
125 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
126 { 0, 89 }, { 26, -19 }, { 22, -17 },
129 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
130 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
131 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
132 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
133 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
134 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
135 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
136 { 12, 68 }, { 2, 97 },
139 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
140 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
141 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
142 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
143 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
144 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
148 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
149 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
150 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
151 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
152 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
153 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
155 /* 276 a bit special (not used, bypass is used instead) */
159 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
160 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
161 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
162 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
163 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
164 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
165 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
166 { 9, 64 }, { -12, 104 },{ -11, 97 },
169 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
170 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
171 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
172 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
173 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
174 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
175 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
176 { 5, 64 }, { 12, 70 },
179 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
180 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
181 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
182 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
183 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
184 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
185 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
186 { -12, 109 },{ 36, -35 }, { 36, -34 },
189 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
190 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
191 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
192 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
193 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
194 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
195 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
196 { 29, 39 }, { 19, 66 },
199 { 31, 21 }, { 31, 31 }, { 25, 50 },
200 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
201 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
202 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
203 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
204 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
205 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
206 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
207 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
208 { 0, 68 }, { -9, 92 },
211 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
212 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
213 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
214 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
215 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
216 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
219 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
220 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
221 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
222 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
223 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
224 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
225 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
226 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
227 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
228 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
229 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
230 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
231 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
232 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
233 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
234 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
235 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
236 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
237 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
238 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
239 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
240 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
241 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
242 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
243 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
244 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
245 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
246 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
247 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
248 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
249 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
250 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
251 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
252 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
253 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
254 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
255 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
256 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
257 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
258 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
259 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
260 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
261 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
262 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
263 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
264 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
265 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
266 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
267 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
268 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
269 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
270 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
271 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
272 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
273 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
274 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
275 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
276 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
277 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
278 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
279 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
280 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
281 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
282 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
283 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
284 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
285 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
286 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
287 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
288 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
289 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
290 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
291 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
292 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
293 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
294 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
295 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
296 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
297 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
298 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
299 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
300 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
301 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
302 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
303 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
304 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
305 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
306 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
307 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
308 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
309 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
310 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
311 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
312 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
313 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
314 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
315 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
316 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
317 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
318 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
319 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
320 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
321 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
322 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
323 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
324 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
325 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
326 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
327 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
328 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
329 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
330 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
331 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
332 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
333 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
334 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
335 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
336 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
337 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
338 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
339 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
340 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
341 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
342 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
343 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
344 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
345 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
346 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
347 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
348 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
349 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
350 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
351 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
352 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
353 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
354 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
355 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
356 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
357 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
358 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
359 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
362 static const int8_t cabac_context_init_PB[3][1024][2] =
364 /* i_cabac_init_idc == 0 */
367 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
368 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
369 { -6, 53 }, { -1, 54 }, { 7, 51 },
372 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
373 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
374 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
378 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
379 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
380 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
381 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
384 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
385 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
386 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
387 { -3, 81 }, { 0, 88 },
390 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
391 { -7, 72 }, { 1, 58 },
394 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
395 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
396 { 13, 41 }, { 3, 62 },
399 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
400 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
401 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
402 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
403 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
404 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
405 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
406 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
407 { 0, 68 }, { -4, 69 }, { -8, 88 },
410 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
411 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
412 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
413 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
414 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
415 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
416 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
417 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
418 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
419 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
420 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
421 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
422 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
423 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
424 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
428 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
429 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
430 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
431 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
432 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
433 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
434 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
435 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
436 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
437 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
438 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
439 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
440 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
441 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
442 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
446 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
447 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
448 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
449 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
450 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
451 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
452 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
453 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
454 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
455 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
456 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
457 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
460 /* 276 a bit special (not used, bypass is used instead) */
464 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
465 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
466 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
467 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
468 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
469 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
470 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
471 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
472 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
473 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
474 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
475 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
476 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
477 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
478 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
482 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
483 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
484 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
485 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
486 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
487 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
488 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
489 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
490 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
491 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
492 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
493 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
494 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
495 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
496 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
500 { 12, 40 }, { 11, 51 }, { 14, 59 },
501 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
502 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
503 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
504 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
505 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
506 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
507 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
508 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
509 { -8, 66 }, { -8, 76 },
512 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
513 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
514 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
515 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
516 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
517 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
520 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
521 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
522 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
523 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
524 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
525 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
526 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
527 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
528 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
529 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
530 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
531 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
532 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
533 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
534 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
535 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
536 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
537 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
538 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
539 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
540 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
541 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
542 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
543 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
544 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
545 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
546 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
547 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
548 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
549 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
550 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
551 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
552 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
553 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
554 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
555 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
556 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
557 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
558 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
559 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
560 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
561 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
562 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
563 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
564 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
565 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
566 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
567 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
568 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
569 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
570 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
571 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
572 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
573 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
574 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
575 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
576 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
577 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
578 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
579 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
580 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
581 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
582 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
583 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
584 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
585 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
586 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
587 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
588 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
589 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
590 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
591 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
592 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
593 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
594 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
595 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
596 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
597 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
598 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
599 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
600 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
601 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
602 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
603 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
604 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
605 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
606 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
607 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
608 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
609 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
610 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
611 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
612 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
613 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
614 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
615 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
616 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
617 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
618 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
619 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
620 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
621 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
622 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
623 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
624 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
625 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
626 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
627 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
628 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
629 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
630 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
631 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
632 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
633 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
634 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
635 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
636 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
637 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
638 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
639 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
640 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
641 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
642 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
643 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
644 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
645 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
646 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
647 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
648 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
649 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
650 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
651 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
652 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
653 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
654 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
655 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
656 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
657 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
658 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
659 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
660 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
663 /* i_cabac_init_idc == 1 */
666 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
667 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
668 { -6, 53 }, { -1, 54 }, { 7, 51 },
671 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
672 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
673 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
677 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
678 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
679 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
680 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
683 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
684 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
685 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
686 { -7, 86 },{ -5, 95 },
689 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
690 { -5, 72 },{ 0, 61 },
693 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
694 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
695 { 13, 41 }, { 3, 62 },
698 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
699 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
700 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
701 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
702 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
703 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
704 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
705 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
706 { 0, 68 }, { -7, 74 }, { -9, 88 },
709 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
710 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
711 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
712 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
713 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
714 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
715 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
716 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
717 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
718 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
719 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
720 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
721 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
722 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
723 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
727 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
728 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
729 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
730 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
731 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
732 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
733 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
734 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
735 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
736 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
737 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
738 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
739 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
740 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
741 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
745 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
746 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
747 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
748 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
749 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
750 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
751 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
752 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
753 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
754 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
755 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
756 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
759 /* 276 a bit special (not used, bypass is used instead) */
763 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
764 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
765 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
766 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
767 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
768 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
769 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
770 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
771 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
772 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
773 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
774 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
775 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
776 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
777 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
781 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
782 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
783 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
784 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
785 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
786 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
787 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
788 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
789 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
790 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
791 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
792 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
793 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
794 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
795 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
799 { 25, 32 }, { 21, 49 }, { 21, 54 },
800 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
801 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
802 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
803 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
804 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
805 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
806 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
807 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
808 { -4, 67 }, { -7, 82 },
811 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
812 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
813 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
814 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
815 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
816 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
819 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
820 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
821 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
822 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
823 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
824 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
825 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
826 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
827 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
828 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
829 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
830 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
831 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
832 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
833 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
834 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
835 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
836 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
837 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
838 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
839 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
840 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
841 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
842 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
843 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
844 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
845 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
846 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
847 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
848 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
849 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
850 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
851 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
852 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
853 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
854 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
855 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
856 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
857 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
858 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
859 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
860 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
861 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
862 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
863 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
864 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
865 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
866 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
867 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
868 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
869 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
870 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
871 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
872 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
873 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
874 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
875 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
876 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
877 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
878 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
879 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
880 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
881 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
882 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
883 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
884 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
885 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
886 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
887 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
888 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
889 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
890 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
891 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
892 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
893 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
894 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
895 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
896 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
897 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
898 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
899 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
900 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
901 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
902 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
903 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
904 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
905 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
906 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
907 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
908 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
909 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
910 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
911 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
912 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
913 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
914 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
915 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
916 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
917 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
918 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
919 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
920 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
921 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
922 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
923 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
924 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
925 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
926 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
927 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
928 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
929 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
930 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
931 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
932 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
933 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
934 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
935 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
936 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
937 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
938 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
939 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
940 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
941 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
942 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
943 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
944 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
945 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
946 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
947 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
948 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
949 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
950 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
951 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
952 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
953 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
954 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
955 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
956 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
957 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
958 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
959 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
962 /* i_cabac_init_idc == 2 */
965 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
966 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
967 { -6, 53 }, { -1, 54 }, { 7, 51 },
970 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
971 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
972 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
976 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
977 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
978 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
979 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
982 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
983 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
984 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
985 { -3, 90 },{ -1, 101 },
988 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
989 { -7, 50 },{ 1, 60 },
992 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
993 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
994 { 13, 41 }, { 3, 62 },
997 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
998 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
999 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
1000 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
1001 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1002 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1003 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1004 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1005 { 3, 68 }, { -8, 71 }, { -13, 98 },
1008 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1009 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1010 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1011 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1012 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1013 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1014 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1015 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1016 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1017 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1018 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1019 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1020 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1021 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1022 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1026 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1027 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1028 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1029 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1030 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1031 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1032 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1033 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1034 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1035 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1036 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1037 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1038 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1039 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1040 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1044 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1045 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1046 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1047 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1048 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1049 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1050 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1051 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1052 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1053 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1054 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1055 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1058 /* 276 a bit special (not used, bypass is used instead) */
1062 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1063 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1064 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1065 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1066 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1067 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1068 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1069 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1070 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1071 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1072 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1073 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1074 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1075 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1076 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1080 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1081 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1082 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1083 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1084 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1085 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1086 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1087 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1088 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1089 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1090 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1091 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1092 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1093 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1094 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1098 { 21, 33 }, { 19, 50 }, { 17, 61 },
1099 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1100 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1101 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1102 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1103 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1104 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1105 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1106 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1107 { -6, 68 }, { -10, 79 },
1110 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1111 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1112 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1113 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1114 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1115 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1118 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1119 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1120 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1121 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1122 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1123 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1124 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1125 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1126 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1127 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1128 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1129 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1130 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1131 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1132 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1133 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1134 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1135 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1136 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1137 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1138 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1139 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1140 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1141 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1142 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1143 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1144 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1145 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1146 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1147 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1148 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1149 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1150 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1151 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1152 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1153 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1154 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1155 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1156 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1157 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1158 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1159 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1160 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1161 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1162 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1163 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1164 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1165 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1166 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1167 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1168 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1169 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1170 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1171 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1172 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1173 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1174 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1175 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1176 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1177 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1178 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1179 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1180 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1181 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1182 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1183 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1184 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1185 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1186 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1187 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1188 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1189 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1190 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1191 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1192 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1193 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1194 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1195 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1196 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1197 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1198 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1199 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1200 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1201 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1202 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1203 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1204 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1205 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1206 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1207 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1208 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1209 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1210 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1211 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1212 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1213 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1214 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1215 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1216 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1217 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1218 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1219 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1220 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1221 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1222 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1223 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1224 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1225 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1226 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1227 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1228 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1229 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1230 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1231 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1232 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1233 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1234 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1235 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1236 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1237 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1238 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1239 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1240 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1241 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1242 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1243 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1244 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1245 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1246 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1247 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1248 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1249 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1250 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1251 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1252 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1253 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1254 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1255 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1256 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1257 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1258 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1262 void ff_h264_init_cabac_states(H264Context *h) {
1263 MpegEncContext * const s = &h->s;
1265 const int8_t (*tab)[2];
1266 const int slice_qp = av_clip(s->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1268 if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
1269 else tab = cabac_context_init_PB[h->cabac_init_idc];
1271 /* calculate pre-state */
1272 for( i= 0; i < 1024; i++ ) {
1273 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1279 h->cabac_state[i] = pre;
1283 static int decode_cabac_field_decoding_flag(H264Context *h) {
1284 MpegEncContext * const s = &h->s;
1285 const long mbb_xy = h->mb_xy - 2L*s->mb_stride;
1287 unsigned long ctx = 0;
1289 ctx += h->mb_field_decoding_flag & !!s->mb_x; //for FMO:(s->current_picture.f.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1290 ctx += (s->current_picture.f.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1292 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1295 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1296 uint8_t *state= &h->cabac_state[ctx_base];
1301 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1303 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1305 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1306 return 0; /* I4x4 */
1309 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1310 return 0; /* I4x4 */
1313 if( get_cabac_terminate( &h->cabac ) )
1314 return 25; /* PCM */
1316 mb_type = 1; /* I16x16 */
1317 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1318 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1319 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1320 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1321 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1325 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1326 MpegEncContext * const s = &h->s;
1330 if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
1331 int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
1334 && h->slice_table[mba_xy] == h->slice_num
1335 && MB_FIELD == !!IS_INTERLACED( s->current_picture.f.mb_type[mba_xy] ) )
1336 mba_xy += s->mb_stride;
1338 mbb_xy = mb_xy - s->mb_stride;
1340 && h->slice_table[mbb_xy] == h->slice_num
1341 && IS_INTERLACED( s->current_picture.f.mb_type[mbb_xy] ) )
1342 mbb_xy -= s->mb_stride;
1344 mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
1346 int mb_xy = h->mb_xy;
1348 mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
1351 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mba_xy] ))
1353 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mbb_xy] ))
1356 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1358 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1361 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1364 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1367 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1368 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1369 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1371 return mode + ( mode >= pred_mode );
1374 static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1375 const int mba_xy = h->left_mb_xy[0];
1376 const int mbb_xy = h->top_mb_xy;
1380 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1381 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1384 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1387 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1390 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1392 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1398 static int decode_cabac_mb_cbp_luma( H264Context *h) {
1399 int cbp_b, cbp_a, ctx, cbp = 0;
1401 cbp_a = h->left_cbp;
1404 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1405 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1406 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1407 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1408 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1409 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1410 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1411 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1414 static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1418 cbp_a = (h->left_cbp>>4)&0x03;
1419 cbp_b = (h-> top_cbp>>4)&0x03;
1422 if( cbp_a > 0 ) ctx++;
1423 if( cbp_b > 0 ) ctx += 2;
1424 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1428 if( cbp_a == 2 ) ctx++;
1429 if( cbp_b == 2 ) ctx += 2;
1430 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1433 static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1434 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1436 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1438 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1442 static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1444 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1445 return 0; /* B_Direct_8x8 */
1446 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1447 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1449 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1450 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1451 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1454 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1455 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1459 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1460 int refa = h->ref_cache[list][scan8[n] - 1];
1461 int refb = h->ref_cache[list][scan8[n] - 8];
1465 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1466 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1468 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1477 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1480 if(ref >= 32 /*h->ref_list[list]*/){
1487 static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1490 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1491 // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1498 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1506 while( get_cabac_bypass( &h->cabac ) ) {
1510 av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1515 mvd += get_cabac_bypass( &h->cabac )<<k;
1517 *mvda=mvd < 70 ? mvd : 70;
1520 return get_cabac_bypass_sign( &h->cabac, -mvd );
1523 #define DECODE_CABAC_MB_MVD( h, list, n )\
1525 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1526 h->mvd_cache[list][scan8[n] - 8][0];\
1527 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1528 h->mvd_cache[list][scan8[n] - 8][1];\
1530 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1531 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1534 static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1537 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1541 idx -= CHROMA_DC_BLOCK_INDEX;
1542 nza = (h->left_cbp>>(6+idx))&0x01;
1543 nzb = (h-> top_cbp>>(6+idx))&0x01;
1545 idx -= LUMA_DC_BLOCK_INDEX;
1546 nza = h->left_cbp&(0x100<<idx);
1547 nzb = h-> top_cbp&(0x100<<idx);
1550 nza = h->non_zero_count_cache[scan8[idx] - 1];
1551 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1560 return base_ctx[cat] + ctx;
1563 DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8)[63] = {
1564 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1565 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1566 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
1567 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
1570 static av_always_inline void
1571 decode_cabac_residual_internal(H264Context *h, DCTELEM *block,
1572 int cat, int n, const uint8_t *scantable,
1573 const uint32_t *qmul, int max_coeff,
1574 int is_dc, int chroma422)
1576 static const int significant_coeff_flag_offset[2][14] = {
1577 { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },
1578 { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }
1580 static const int last_coeff_flag_offset[2][14] = {
1581 { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },
1582 { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }
1584 static const int coeff_abs_level_m1_offset[14] = {
1585 227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766
1587 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1588 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1589 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1590 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1591 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1592 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1593 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1594 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1595 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1597 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1598 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1599 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1600 * map node ctx => cabac ctx for level=1 */
1601 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1602 /* map node ctx => cabac ctx for level>1 */
1603 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1604 { 5, 5, 5, 5, 6, 7, 8, 9 },
1605 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1607 static const uint8_t coeff_abs_level_transition[2][8] = {
1608 /* update node ctx after decoding a level=1 */
1609 { 1, 2, 3, 3, 4, 5, 6, 7 },
1610 /* update node ctx after decoding a level>1 */
1611 { 4, 4, 4, 4, 5, 6, 7, 7 }
1617 int coeff_count = 0;
1620 uint8_t *significant_coeff_ctx_base;
1621 uint8_t *last_coeff_ctx_base;
1622 uint8_t *abs_level_m1_ctx_base;
1625 #define CABAC_ON_STACK
1627 #ifdef CABAC_ON_STACK
1630 cc.range = h->cabac.range;
1631 cc.low = h->cabac.low;
1632 cc.bytestream= h->cabac.bytestream;
1634 #define CC &h->cabac
1637 significant_coeff_ctx_base = h->cabac_state
1638 + significant_coeff_flag_offset[MB_FIELD][cat];
1639 last_coeff_ctx_base = h->cabac_state
1640 + last_coeff_flag_offset[MB_FIELD][cat];
1641 abs_level_m1_ctx_base = h->cabac_state
1642 + coeff_abs_level_m1_offset[cat];
1644 if( !is_dc && max_coeff == 64 ) {
1645 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1646 for(last= 0; last < coefs; last++) { \
1647 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1648 if( get_cabac( CC, sig_ctx )) { \
1649 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1650 index[coeff_count++] = last; \
1651 if( get_cabac( CC, last_ctx ) ) { \
1657 if( last == max_coeff -1 ) {\
1658 index[coeff_count++] = last;\
1660 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
1661 #if ARCH_X86 && HAVE_7REGS && !defined(BROKEN_RELOCATIONS)
1662 coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index,
1663 last_coeff_ctx_base, sig_off);
1665 if (is_dc && chroma422) { // dc 422
1666 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1668 coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index,
1669 last_coeff_ctx_base-significant_coeff_ctx_base);
1672 DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
1674 if (is_dc && chroma422) { // dc 422
1675 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1677 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1681 assert(coeff_count > 0);
1685 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1687 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1688 h->non_zero_count_cache[scan8[n]] = coeff_count;
1690 if( max_coeff == 64 )
1691 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1693 assert( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1694 h->non_zero_count_cache[scan8[n]] = coeff_count;
1698 #define STORE_BLOCK(type) \
1700 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1702 int j= scantable[index[--coeff_count]]; \
1704 if( get_cabac( CC, ctx ) == 0 ) { \
1705 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1707 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1709 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1712 int coeff_abs = 2; \
1713 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1714 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1716 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1720 if( coeff_abs >= 15 ) { \
1722 while( get_cabac_bypass( CC ) ) { \
1728 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1734 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1736 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1739 } while ( coeff_count );
1741 if (h->pixel_shift) {
1742 STORE_BLOCK(int32_t)
1744 STORE_BLOCK(int16_t)
1746 #ifdef CABAC_ON_STACK
1747 h->cabac.range = cc.range ;
1748 h->cabac.low = cc.low ;
1749 h->cabac.bytestream= cc.bytestream;
1754 static void decode_cabac_residual_dc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
1755 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1758 static void decode_cabac_residual_dc_internal_422(H264Context *h, DCTELEM *block,
1759 int cat, int n, const uint8_t *scantable,
1762 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1765 static void decode_cabac_residual_nondc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
1766 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1769 /* cat: 0-> DC 16x16 n = 0
1770 * 1-> AC 16x16 n = luma4x4idx
1771 * 2-> Luma4x4 n = luma4x4idx
1772 * 3-> DC Chroma n = iCbCr
1773 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1774 * 5-> Luma8x8 n = 4 * luma8x8idx */
1776 /* Partially inline the CABAC residual decode: inline the coded block flag.
1777 * This has very little impact on binary size and improves performance
1778 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1779 * as well as because most blocks have zero CBFs. */
1781 static av_always_inline void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
1782 /* read coded block flag */
1783 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1784 h->non_zero_count_cache[scan8[n]] = 0;
1787 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1790 static av_always_inline void
1791 decode_cabac_residual_dc_422(H264Context *h, DCTELEM *block,
1792 int cat, int n, const uint8_t *scantable,
1795 /* read coded block flag */
1796 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1797 h->non_zero_count_cache[scan8[n]] = 0;
1800 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1803 static av_always_inline void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
1804 /* read coded block flag */
1805 if( (cat != 5 || CHROMA444) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1806 if( max_coeff == 64 ) {
1807 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1809 h->non_zero_count_cache[scan8[n]] = 0;
1813 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1816 static av_always_inline void decode_cabac_luma_residual( H264Context *h, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p )
1818 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1819 const uint32_t *qmul;
1821 MpegEncContext * const s = &h->s;
1822 int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
1823 if( IS_INTRA16x16( mb_type ) ) {
1824 //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
1825 AV_ZERO128(h->mb_luma_dc[p]+0);
1826 AV_ZERO128(h->mb_luma_dc[p]+8);
1827 AV_ZERO128(h->mb_luma_dc[p]+16);
1828 AV_ZERO128(h->mb_luma_dc[p]+24);
1829 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1832 qmul = h->dequant4_coeff[p][qscale];
1833 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1834 const int index = 16*p + i4x4;
1835 //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", index );
1836 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1839 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1842 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1843 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1844 if( cbp & (1<<i8x8) ) {
1845 if( IS_8x8DCT(mb_type) ) {
1846 const int index = 16*p + 4*i8x8;
1847 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1848 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1850 qmul = h->dequant4_coeff[cqm][qscale];
1851 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1852 const int index = 16*p + 4*i8x8 + i4x4;
1853 //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
1855 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1856 //STOP_TIMER("decode_residual")
1860 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1867 * Decode a macroblock.
1868 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1870 int ff_h264_decode_mb_cabac(H264Context *h) {
1871 MpegEncContext * const s = &h->s;
1873 int mb_type, partition_count, cbp = 0;
1874 int dct8x8_allowed= h->pps.transform_8x8_mode;
1875 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1876 const int pixel_shift = h->pixel_shift;
1878 mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
1880 tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
1881 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1883 /* a skipped mb needs the aff flag from the following mb */
1884 if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
1885 skip = h->next_mb_skipped;
1887 skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
1888 /* read skip flags */
1890 if( FRAME_MBAFF && (s->mb_y&1)==0 ){
1891 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_SKIP;
1892 h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
1893 if(!h->next_mb_skipped)
1894 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1899 h->cbp_table[mb_xy] = 0;
1900 h->chroma_pred_mode_table[mb_xy] = 0;
1901 h->last_qscale_diff = 0;
1908 if( (s->mb_y&1) == 0 )
1910 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1913 h->prev_mb_skipped = 0;
1915 fill_decode_neighbors(h, -(MB_FIELD));
1917 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1919 assert(h->slice_type_nos == AV_PICTURE_TYPE_B);
1921 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1923 if( !IS_DIRECT( h->top_type-1 ) )
1926 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1927 mb_type= 0; /* B_Direct_16x16 */
1928 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1929 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1932 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1933 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1934 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1935 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1937 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1938 }else if( bits == 13 ){
1939 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1940 goto decode_intra_mb;
1941 }else if( bits == 14 ){
1942 mb_type= 11; /* B_L1_L0_8x16 */
1943 }else if( bits == 15 ){
1944 mb_type= 22; /* B_8x8 */
1946 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1947 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1950 partition_count= b_mb_type_info[mb_type].partition_count;
1951 mb_type= b_mb_type_info[mb_type].type;
1952 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1953 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1955 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1956 /* P_L0_D16x16, P_8x8 */
1957 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1959 /* P_L0_D8x16, P_L0_D16x8 */
1960 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1962 partition_count= p_mb_type_info[mb_type].partition_count;
1963 mb_type= p_mb_type_info[mb_type].type;
1965 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1966 goto decode_intra_mb;
1969 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1970 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1972 assert(h->slice_type_nos == AV_PICTURE_TYPE_I);
1974 partition_count = 0;
1975 cbp= i_mb_type_info[mb_type].cbp;
1976 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1977 mb_type= i_mb_type_info[mb_type].type;
1980 mb_type |= MB_TYPE_INTERLACED;
1982 h->slice_table[ mb_xy ]= h->slice_num;
1984 if(IS_INTRA_PCM(mb_type)) {
1985 static const uint16_t mb_sizes[4] = {256,384,512,768};
1986 const int mb_size = mb_sizes[h->sps.chroma_format_idc]*h->sps.bit_depth_luma >> 3;
1989 // We assume these blocks are very rare so we do not optimize it.
1990 // FIXME The two following lines get the bitstream position in the cabac
1991 // decode, I think it should be done by a function in cabac.h (or cabac.c).
1992 ptr= h->cabac.bytestream;
1993 if(h->cabac.low&0x1) ptr--;
1995 if(h->cabac.low&0x1FF) ptr--;
1998 // The pixels are stored in the same order as levels in h->mb array.
1999 memcpy(h->mb, ptr, mb_size); ptr+=mb_size;
2001 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
2003 // All blocks are present
2004 h->cbp_table[mb_xy] = 0xf7ef;
2005 h->chroma_pred_mode_table[mb_xy] = 0;
2006 // In deblocking, the quantizer is 0
2007 s->current_picture.f.qscale_table[mb_xy] = 0;
2008 // All coeffs are present
2009 memset(h->non_zero_count[mb_xy], 16, 48);
2010 s->current_picture.f.mb_type[mb_xy] = mb_type;
2011 h->last_qscale_diff = 0;
2016 h->ref_count[0] <<= 1;
2017 h->ref_count[1] <<= 1;
2020 fill_decode_caches(h, mb_type);
2022 if( IS_INTRA( mb_type ) ) {
2024 if( IS_INTRA4x4( mb_type ) ) {
2025 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2026 mb_type |= MB_TYPE_8x8DCT;
2027 for( i = 0; i < 16; i+=4 ) {
2028 int pred = pred_intra_mode( h, i );
2029 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2030 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2033 for( i = 0; i < 16; i++ ) {
2034 int pred = pred_intra_mode( h, i );
2035 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2037 //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
2040 write_back_intra_pred_mode(h);
2041 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2043 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode );
2044 if( h->intra16x16_pred_mode < 0 ) return -1;
2047 h->chroma_pred_mode_table[mb_xy] =
2048 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2050 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode );
2051 if( pred_mode < 0 ) return -1;
2052 h->chroma_pred_mode= pred_mode;
2054 h->chroma_pred_mode= DC_128_PRED8x8;
2056 } else if( partition_count == 4 ) {
2057 int i, j, sub_partition_count[4], list, ref[2][4];
2059 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2060 for( i = 0; i < 4; i++ ) {
2061 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2062 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2063 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2065 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2066 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2067 ff_h264_pred_direct_motion(h, &mb_type);
2068 h->ref_cache[0][scan8[4]] =
2069 h->ref_cache[1][scan8[4]] =
2070 h->ref_cache[0][scan8[12]] =
2071 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2072 for( i = 0; i < 4; i++ )
2073 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2076 for( i = 0; i < 4; i++ ) {
2077 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2078 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2079 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2083 for( list = 0; list < h->list_count; list++ ) {
2084 for( i = 0; i < 4; i++ ) {
2085 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2086 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2087 if( h->ref_count[list] > 1 ){
2088 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2089 if(ref[list][i] >= (unsigned)h->ref_count[list]){
2090 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);
2098 h->ref_cache[list][ scan8[4*i]+1 ]=
2099 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2104 dct8x8_allowed = get_dct8x8_allowed(h);
2106 for(list=0; list<h->list_count; list++){
2108 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2109 if(IS_DIRECT(h->sub_mb_type[i])){
2110 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2114 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2115 const int sub_mb_type= h->sub_mb_type[i];
2116 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2117 for(j=0; j<sub_partition_count[i]; j++){
2120 const int index= 4*i + block_width*j;
2121 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2122 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2123 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2124 DECODE_CABAC_MB_MVD( h, list, index)
2125 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2127 if(IS_SUB_8X8(sub_mb_type)){
2129 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2131 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2134 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2136 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2137 }else if(IS_SUB_8X4(sub_mb_type)){
2138 mv_cache[ 1 ][0]= mx;
2139 mv_cache[ 1 ][1]= my;
2141 mvd_cache[ 1 ][0]= mpx;
2142 mvd_cache[ 1 ][1]= mpy;
2143 }else if(IS_SUB_4X8(sub_mb_type)){
2144 mv_cache[ 8 ][0]= mx;
2145 mv_cache[ 8 ][1]= my;
2147 mvd_cache[ 8 ][0]= mpx;
2148 mvd_cache[ 8 ][1]= mpy;
2150 mv_cache[ 0 ][0]= mx;
2151 mv_cache[ 0 ][1]= my;
2153 mvd_cache[ 0 ][0]= mpx;
2154 mvd_cache[ 0 ][1]= mpy;
2157 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2158 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2162 } else if( IS_DIRECT(mb_type) ) {
2163 ff_h264_pred_direct_motion(h, &mb_type);
2164 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2165 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2166 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2169 if(IS_16X16(mb_type)){
2170 for(list=0; list<h->list_count; list++){
2171 if(IS_DIR(mb_type, 0, list)){
2173 if(h->ref_count[list] > 1){
2174 ref= decode_cabac_mb_ref(h, list, 0);
2175 if(ref >= (unsigned)h->ref_count[list]){
2176 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
2181 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2184 for(list=0; list<h->list_count; list++){
2185 if(IS_DIR(mb_type, 0, list)){
2187 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2188 DECODE_CABAC_MB_MVD( h, list, 0)
2189 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2191 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2192 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2196 else if(IS_16X8(mb_type)){
2197 for(list=0; list<h->list_count; list++){
2199 if(IS_DIR(mb_type, i, list)){
2201 if(h->ref_count[list] > 1){
2202 ref= decode_cabac_mb_ref( h, list, 8*i );
2203 if(ref >= (unsigned)h->ref_count[list]){
2204 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
2209 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2211 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2214 for(list=0; list<h->list_count; list++){
2216 if(IS_DIR(mb_type, i, list)){
2218 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2219 DECODE_CABAC_MB_MVD( h, list, 8*i)
2220 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2222 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2223 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2225 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2226 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2231 assert(IS_8X16(mb_type));
2232 for(list=0; list<h->list_count; list++){
2234 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2236 if(h->ref_count[list] > 1){
2237 ref= decode_cabac_mb_ref( h, list, 4*i );
2238 if(ref >= (unsigned)h->ref_count[list]){
2239 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
2244 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2246 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2249 for(list=0; list<h->list_count; list++){
2251 if(IS_DIR(mb_type, i, list)){
2253 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2254 DECODE_CABAC_MB_MVD( h, list, 4*i)
2256 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2257 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2258 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2260 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2261 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2268 if( IS_INTER( mb_type ) ) {
2269 h->chroma_pred_mode_table[mb_xy] = 0;
2270 write_back_motion( h, mb_type );
2273 if( !IS_INTRA16x16( mb_type ) ) {
2274 cbp = decode_cabac_mb_cbp_luma( h );
2276 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2279 h->cbp_table[mb_xy] = h->cbp = cbp;
2281 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2282 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2285 /* It would be better to do this in fill_decode_caches, but we don't know
2286 * the transform mode of the current macroblock there. */
2287 if (CHROMA444 && IS_8x8DCT(mb_type)){
2289 uint8_t *nnz_cache = h->non_zero_count_cache;
2290 for (i = 0; i < 2; i++){
2291 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2292 nnz_cache[3+8* 1 + 2*8*i]=
2293 nnz_cache[3+8* 2 + 2*8*i]=
2294 nnz_cache[3+8* 6 + 2*8*i]=
2295 nnz_cache[3+8* 7 + 2*8*i]=
2296 nnz_cache[3+8*11 + 2*8*i]=
2297 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2300 if (h->top_type && !IS_8x8DCT(h->top_type)){
2301 uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2302 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2303 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2304 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2307 s->current_picture.f.mb_type[mb_xy] = mb_type;
2309 if( cbp || IS_INTRA16x16( mb_type ) ) {
2310 const uint8_t *scan, *scan8x8;
2311 const uint32_t *qmul;
2313 if(IS_INTERLACED(mb_type)){
2314 scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2315 scan= s->qscale ? h->field_scan : h->field_scan_q0;
2317 scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2318 scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2321 // decode_cabac_mb_dqp
2322 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2325 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2327 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2330 if(val > 2*max_qp){ //prevent infinite loop
2331 av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
2339 val= -((val + 1)>>1);
2340 h->last_qscale_diff = val;
2342 if(((unsigned)s->qscale) > max_qp){
2343 if(s->qscale<0) s->qscale+= max_qp+1;
2344 else s->qscale-= max_qp+1;
2346 h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
2347 h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
2349 h->last_qscale_diff=0;
2351 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2353 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2354 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2355 } else if (CHROMA422) {
2358 for( c = 0; c < 2; c++ ) {
2359 //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
2360 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2361 CHROMA_DC_BLOCK_INDEX + c,
2362 chroma422_dc_scan, 8);
2368 for( c = 0; c < 2; c++ ) {
2369 DCTELEM *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2370 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2371 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2372 for (i = 0; i < 4; i++) {
2373 const int index = 16 + 16 * c + 8*i8x8 + i;
2374 //av_log(s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16);
2375 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2376 mb += 16<<pixel_shift;
2381 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2382 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2384 } else /* yuv420 */ {
2387 for( c = 0; c < 2; c++ ) {
2388 //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
2389 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2395 for( c = 0; c < 2; c++ ) {
2396 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2397 for( i = 0; i < 4; i++ ) {
2398 const int index = 16 + 16 * c + i;
2399 //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
2400 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2404 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2405 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2409 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2410 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2411 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2412 h->last_qscale_diff = 0;
2415 s->current_picture.f.qscale_table[mb_xy] = s->qscale;
2416 write_back_non_zero_count(h);
2419 h->ref_count[0] >>= 1;
2420 h->ref_count[1] >>= 1;
projects / ffmpeg / blob