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>
30 #include "libavutil/attributes.h"
31 #include "libavutil/timer.h"
34 #include "cabac_functions.h"
39 #include "h264_mvpred.h"
41 #include "mpegutils.h"
44 #include "x86/h264_i386.h"
49 /* Cabac pre state table */
51 static const int8_t cabac_context_init_I[1024][2] =
54 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
55 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
56 { -6, 53 }, { -1, 54 }, { 7, 51 },
58 /* 11 - 23 unsused for I */
59 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
60 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
61 { 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 },
68 { 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 },
73 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
77 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
81 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
82 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
83 { 13, 41 }, { 3, 62 },
86 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
87 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
88 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
89 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
90 { -12, 115 },{ -16, 122 },
93 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
94 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
95 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
96 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
100 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
101 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
102 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
103 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
104 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
105 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
106 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
107 { 14, 62 }, { -13, 108 },{ -15, 100 },
110 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
111 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
112 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
113 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
114 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
115 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
116 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
117 { 0, 62 }, { 12, 72 },
120 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
121 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
122 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
123 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
124 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
125 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
126 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
127 { 0, 89 }, { 26, -19 }, { 22, -17 },
130 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
131 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
132 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
133 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
134 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
135 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
136 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
137 { 12, 68 }, { 2, 97 },
140 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
141 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
142 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
143 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
144 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
145 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
149 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
150 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
151 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
152 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
153 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
154 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
156 /* 276 a bit special (not used, bypass is used instead) */
160 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
161 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
162 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
163 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
164 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
165 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
166 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
167 { 9, 64 }, { -12, 104 },{ -11, 97 },
170 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
171 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
172 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
173 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
174 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
175 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
176 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
177 { 5, 64 }, { 12, 70 },
180 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
181 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
182 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
183 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
184 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
185 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
186 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
187 { -12, 109 },{ 36, -35 }, { 36, -34 },
190 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
191 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
192 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
193 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
194 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
195 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
196 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
197 { 29, 39 }, { 19, 66 },
200 { 31, 21 }, { 31, 31 }, { 25, 50 },
201 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
202 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
203 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
204 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
205 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
206 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
207 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
208 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
209 { 0, 68 }, { -9, 92 },
212 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
213 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
214 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
215 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
216 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
217 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
220 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
221 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
222 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
223 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
224 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
225 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
226 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
227 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
228 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
229 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
230 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
231 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
232 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
233 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
234 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
235 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
236 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
237 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
238 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
239 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
240 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
241 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
242 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
243 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
244 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
245 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
246 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
247 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
248 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
249 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
250 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
251 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
252 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
253 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
254 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
255 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
256 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
257 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
258 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
259 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
260 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
261 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
262 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
263 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
264 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
265 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
266 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
267 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
268 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
269 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
270 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
271 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
272 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
273 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
274 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
275 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
276 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
277 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
278 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
279 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
280 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
281 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
282 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
283 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
284 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
285 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
286 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
287 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
288 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
289 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
290 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
291 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
292 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
293 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
294 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
295 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
296 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
297 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
298 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
299 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
300 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
301 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
302 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
303 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
304 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
305 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
306 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
307 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
308 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
309 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
310 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
311 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
312 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
313 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
314 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
315 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
316 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
317 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
318 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
319 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
320 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
321 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
322 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
323 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
324 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
325 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
326 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
327 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
328 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
329 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
330 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
331 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
332 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
333 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
334 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
335 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
336 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
337 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
338 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
339 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
340 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
341 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
342 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
343 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
344 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
345 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
346 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
347 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
348 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
349 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
350 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
351 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
352 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
353 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
354 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
355 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
356 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
357 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
358 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
359 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
360 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
363 static const int8_t cabac_context_init_PB[3][1024][2] =
365 /* i_cabac_init_idc == 0 */
368 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
369 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
370 { -6, 53 }, { -1, 54 }, { 7, 51 },
373 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
374 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
375 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
379 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
380 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
381 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
382 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
385 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
386 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
387 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
388 { -3, 81 }, { 0, 88 },
391 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
392 { -7, 72 }, { 1, 58 },
395 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
396 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
397 { 13, 41 }, { 3, 62 },
400 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
401 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
402 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
403 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
404 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
405 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
406 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
407 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
408 { 0, 68 }, { -4, 69 }, { -8, 88 },
411 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
412 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
413 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
414 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
415 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
416 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
417 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
418 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
419 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
420 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
421 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
422 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
423 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
424 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
425 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
429 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
430 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
431 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
432 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
433 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
434 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
435 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
436 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
437 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
438 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
439 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
440 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
441 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
442 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
443 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
447 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
448 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
449 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
450 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
451 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
452 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
453 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
454 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
455 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
456 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
457 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
458 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
461 /* 276 a bit special (not used, bypass is used instead) */
465 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
466 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
467 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
468 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
469 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
470 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
471 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
472 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
473 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
474 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
475 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
476 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
477 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
478 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
479 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
483 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
484 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
485 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
486 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
487 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
488 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
489 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
490 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
491 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
492 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
493 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
494 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
495 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
496 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
497 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
501 { 12, 40 }, { 11, 51 }, { 14, 59 },
502 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
503 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
504 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
505 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
506 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
507 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
508 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
509 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
510 { -8, 66 }, { -8, 76 },
513 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
514 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
515 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
516 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
517 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
518 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
521 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
522 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
523 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
524 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
525 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
526 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
527 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
528 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
529 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
530 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
531 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
532 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
533 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
534 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
535 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
536 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
537 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
538 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
539 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
540 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
541 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
542 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
543 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
544 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
545 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
546 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
547 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
548 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
549 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
550 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
551 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
552 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
553 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
554 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
555 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
556 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
557 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
558 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
559 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
560 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
561 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
562 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
563 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
564 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
565 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
566 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
567 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
568 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
569 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
570 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
571 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
572 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
573 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
574 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
575 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
576 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
577 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
578 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
579 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
580 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
581 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
582 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
583 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
584 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
585 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
586 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
587 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
588 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
589 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
590 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
591 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
592 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
593 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
594 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
595 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
596 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
597 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
598 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
599 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
600 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
601 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
602 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
603 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
604 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
605 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
606 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
607 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
608 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
609 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
610 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
611 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
612 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
613 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
614 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
615 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
616 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
617 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
618 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
619 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
620 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
621 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
622 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
623 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
624 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
625 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
626 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
627 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
628 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
629 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
630 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
631 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
632 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
633 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
634 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
635 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
636 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
637 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
638 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
639 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
640 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
641 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
642 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
643 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
644 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
645 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
646 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
647 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
648 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
649 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
650 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
651 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
652 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
653 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
654 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
655 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
656 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
657 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
658 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
659 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
660 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
661 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
664 /* i_cabac_init_idc == 1 */
667 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
668 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
669 { -6, 53 }, { -1, 54 }, { 7, 51 },
672 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
673 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
674 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
678 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
679 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
680 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
681 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
684 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
685 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
686 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
687 { -7, 86 },{ -5, 95 },
690 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
691 { -5, 72 },{ 0, 61 },
694 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
695 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
696 { 13, 41 }, { 3, 62 },
699 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
700 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
701 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
702 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
703 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
704 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
705 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
706 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
707 { 0, 68 }, { -7, 74 }, { -9, 88 },
710 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
711 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
712 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
713 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
714 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
715 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
716 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
717 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
718 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
719 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
720 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
721 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
722 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
723 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
724 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
728 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
729 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
730 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
731 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
732 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
733 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
734 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
735 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
736 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
737 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
738 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
739 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
740 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
741 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
742 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
746 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
747 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
748 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
749 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
750 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
751 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
752 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
753 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
754 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
755 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
756 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
757 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
760 /* 276 a bit special (not used, bypass is used instead) */
764 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
765 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
766 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
767 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
768 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
769 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
770 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
771 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
772 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
773 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
774 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
775 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
776 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
777 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
778 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
782 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
783 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
784 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
785 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
786 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
787 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
788 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
789 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
790 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
791 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
792 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
793 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
794 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
795 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
796 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
800 { 25, 32 }, { 21, 49 }, { 21, 54 },
801 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
802 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
803 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
804 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
805 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
806 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
807 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
808 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
809 { -4, 67 }, { -7, 82 },
812 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
813 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
814 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
815 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
816 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
817 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
820 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
821 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
822 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
823 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
824 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
825 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
826 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
827 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
828 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
829 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
830 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
831 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
832 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
833 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
834 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
835 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
836 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
837 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
838 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
839 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
840 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
841 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
842 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
843 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
844 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
845 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
846 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
847 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
848 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
849 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
850 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
851 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
852 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
853 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
854 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
855 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
856 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
857 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
858 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
859 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
860 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
861 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
862 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
863 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
864 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
865 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
866 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
867 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
868 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
869 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
870 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
871 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
872 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
873 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
874 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
875 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
876 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
877 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
878 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
879 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
880 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
881 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
882 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
883 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
884 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
885 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
886 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
887 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
888 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
889 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
890 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
891 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
892 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
893 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
894 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
895 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
896 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
897 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
898 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
899 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
900 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
901 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
902 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
903 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
904 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
905 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
906 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
907 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
908 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
909 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
910 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
911 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
912 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
913 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
914 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
915 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
916 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
917 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
918 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
919 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
920 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
921 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
922 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
923 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
924 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
925 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
926 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
927 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
928 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
929 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
930 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
931 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
932 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
933 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
934 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
935 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
936 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
937 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
938 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
939 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
940 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
941 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
942 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
943 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
944 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
945 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
946 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
947 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
948 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
949 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
950 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
951 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
952 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
953 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
954 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
955 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
956 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
957 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
958 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
959 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
960 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
963 /* i_cabac_init_idc == 2 */
966 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
967 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
968 { -6, 53 }, { -1, 54 }, { 7, 51 },
971 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
972 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
973 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
977 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
978 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
979 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
980 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
983 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
984 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
985 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
986 { -3, 90 },{ -1, 101 },
989 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
990 { -7, 50 },{ 1, 60 },
993 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
994 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
995 { 13, 41 }, { 3, 62 },
998 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
999 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
1000 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
1001 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
1002 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1003 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1004 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1005 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1006 { 3, 68 }, { -8, 71 }, { -13, 98 },
1009 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1010 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1011 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1012 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1013 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1014 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1015 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1016 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1017 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1018 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1019 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1020 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1021 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1022 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1023 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1027 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1028 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1029 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1030 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1031 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1032 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1033 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1034 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1035 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1036 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1037 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1038 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1039 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1040 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1041 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1045 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1046 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1047 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1048 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1049 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1050 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1051 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1052 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1053 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1054 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1055 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1056 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1059 /* 276 a bit special (not used, bypass is used instead) */
1063 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1064 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1065 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1066 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1067 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1068 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1069 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1070 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1071 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1072 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1073 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1074 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1075 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1076 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1077 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1081 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1082 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1083 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1084 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1085 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1086 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1087 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1088 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1089 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1090 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1091 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1092 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1093 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1094 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1095 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1099 { 21, 33 }, { 19, 50 }, { 17, 61 },
1100 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1101 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1102 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1103 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1104 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1105 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1106 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1107 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1108 { -6, 68 }, { -10, 79 },
1111 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1112 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1113 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1114 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1115 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1116 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1119 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1120 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1121 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1122 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1123 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1124 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1125 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1126 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1127 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1128 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1129 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1130 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1131 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1132 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1133 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1134 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1135 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1136 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1137 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1138 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1139 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1140 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1141 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1142 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1143 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1144 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1145 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1146 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1147 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1148 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1149 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1150 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1151 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1152 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1153 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1154 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1155 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1156 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1157 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1158 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1159 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1160 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1161 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1162 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1163 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1164 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1165 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1166 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1167 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1168 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1169 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1170 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1171 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1172 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1173 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1174 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1175 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1176 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1177 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1178 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1179 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1180 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1181 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1182 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1183 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1184 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1185 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1186 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1187 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1188 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1189 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1190 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1191 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1192 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1193 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1194 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1195 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1196 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1197 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1198 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1199 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1200 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1201 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1202 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1203 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1204 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1205 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1206 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1207 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1208 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1209 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1210 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1211 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1212 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1213 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1214 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1215 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1216 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1217 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1218 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1219 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1220 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1221 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1222 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1223 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1224 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1225 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1226 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1227 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1228 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1229 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1230 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1231 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1232 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1233 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1234 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1235 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1236 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1237 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1238 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1239 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1240 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1241 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1242 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1243 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1244 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1245 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1246 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1247 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1248 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1249 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1250 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1251 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1252 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1253 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1254 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1255 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1256 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1257 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1258 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1259 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1263 void ff_h264_init_cabac_states(H264Context *h) {
1265 const int8_t (*tab)[2];
1266 const int slice_qp = av_clip(h->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 const long mbb_xy = h->mb_xy - 2L*h->mb_stride;
1286 unsigned long ctx = 0;
1288 ctx += h->mb_field_decoding_flag & !!h->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1289 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1291 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1294 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1295 uint8_t *state= &h->cabac_state[ctx_base];
1300 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1302 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1304 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1305 return 0; /* I4x4 */
1308 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1309 return 0; /* I4x4 */
1312 if( get_cabac_terminate( &h->cabac ) )
1313 return 25; /* PCM */
1315 mb_type = 1; /* I16x16 */
1316 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1317 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1318 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1319 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1320 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1324 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1328 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1329 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1332 && h->slice_table[mba_xy] == h->slice_num
1333 && MB_FIELD(h) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1334 mba_xy += h->mb_stride;
1336 mbb_xy = mb_xy - h->mb_stride;
1338 && h->slice_table[mbb_xy] == h->slice_num
1339 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1340 mbb_xy -= h->mb_stride;
1342 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1344 int mb_xy = h->mb_xy;
1346 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1349 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1351 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1354 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1356 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1359 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1362 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1365 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1366 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1367 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1369 return mode + ( mode >= pred_mode );
1372 static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1373 const int mba_xy = h->left_mb_xy[0];
1374 const int mbb_xy = h->top_mb_xy;
1378 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1379 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1382 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1385 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1388 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1390 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1396 static int decode_cabac_mb_cbp_luma( H264Context *h) {
1397 int cbp_b, cbp_a, ctx, cbp = 0;
1399 cbp_a = h->left_cbp;
1402 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1403 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1404 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1405 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1406 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1407 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1408 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1409 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1412 static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1416 cbp_a = (h->left_cbp>>4)&0x03;
1417 cbp_b = (h-> top_cbp>>4)&0x03;
1420 if( cbp_a > 0 ) ctx++;
1421 if( cbp_b > 0 ) ctx += 2;
1422 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1426 if( cbp_a == 2 ) ctx++;
1427 if( cbp_b == 2 ) ctx += 2;
1428 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1431 static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1432 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1434 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1436 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1440 static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1442 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1443 return 0; /* B_Direct_8x8 */
1444 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1445 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1447 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1448 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1449 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1452 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1453 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1457 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1458 int refa = h->ref_cache[list][scan8[n] - 1];
1459 int refb = h->ref_cache[list][scan8[n] - 8];
1463 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1464 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1466 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1475 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1478 if(ref >= 32 /*h->ref_list[list]*/){
1485 static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1488 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1489 // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1496 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1504 while( get_cabac_bypass( &h->cabac ) ) {
1508 av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1513 mvd += get_cabac_bypass( &h->cabac )<<k;
1515 *mvda=mvd < 70 ? mvd : 70;
1518 return get_cabac_bypass_sign( &h->cabac, -mvd );
1521 #define DECODE_CABAC_MB_MVD( h, list, n )\
1523 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1524 h->mvd_cache[list][scan8[n] - 8][0];\
1525 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1526 h->mvd_cache[list][scan8[n] - 8][1];\
1528 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1529 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1532 static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1535 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1539 idx -= CHROMA_DC_BLOCK_INDEX;
1540 nza = (h->left_cbp>>(6+idx))&0x01;
1541 nzb = (h-> top_cbp>>(6+idx))&0x01;
1543 idx -= LUMA_DC_BLOCK_INDEX;
1544 nza = h->left_cbp&(0x100<<idx);
1545 nzb = h-> top_cbp&(0x100<<idx);
1548 nza = h->non_zero_count_cache[scan8[idx] - 1];
1549 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1558 return base_ctx[cat] + ctx;
1561 static av_always_inline void
1562 decode_cabac_residual_internal(H264Context *h, int16_t *block,
1563 int cat, int n, const uint8_t *scantable,
1564 const uint32_t *qmul, int max_coeff,
1565 int is_dc, int chroma422)
1567 static const int significant_coeff_flag_offset[2][14] = {
1568 { 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 },
1569 { 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 }
1571 static const int last_coeff_flag_offset[2][14] = {
1572 { 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 },
1573 { 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 }
1575 static const int coeff_abs_level_m1_offset[14] = {
1576 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
1578 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1579 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1580 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1581 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1582 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1583 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1584 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1585 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1586 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1588 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1589 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1590 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1591 * map node ctx => cabac ctx for level=1 */
1592 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1593 /* map node ctx => cabac ctx for level>1 */
1594 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1595 { 5, 5, 5, 5, 6, 7, 8, 9 },
1596 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1598 static const uint8_t coeff_abs_level_transition[2][8] = {
1599 /* update node ctx after decoding a level=1 */
1600 { 1, 2, 3, 3, 4, 5, 6, 7 },
1601 /* update node ctx after decoding a level>1 */
1602 { 4, 4, 4, 4, 5, 6, 7, 7 }
1608 int coeff_count = 0;
1611 uint8_t *significant_coeff_ctx_base;
1612 uint8_t *last_coeff_ctx_base;
1613 uint8_t *abs_level_m1_ctx_base;
1616 #define CABAC_ON_STACK
1618 #ifdef CABAC_ON_STACK
1621 cc.range = h->cabac.range;
1622 cc.low = h->cabac.low;
1623 cc.bytestream= h->cabac.bytestream;
1624 cc.bytestream_end = h->cabac.bytestream_end;
1626 #define CC &h->cabac
1629 significant_coeff_ctx_base = h->cabac_state
1630 + significant_coeff_flag_offset[MB_FIELD(h)][cat];
1631 last_coeff_ctx_base = h->cabac_state
1632 + last_coeff_flag_offset[MB_FIELD(h)][cat];
1633 abs_level_m1_ctx_base = h->cabac_state
1634 + coeff_abs_level_m1_offset[cat];
1636 if( !is_dc && max_coeff == 64 ) {
1637 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1638 for(last= 0; last < coefs; last++) { \
1639 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1640 if( get_cabac( CC, sig_ctx )) { \
1641 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1642 index[coeff_count++] = last; \
1643 if( get_cabac( CC, last_ctx ) ) { \
1649 if( last == max_coeff -1 ) {\
1650 index[coeff_count++] = last;\
1652 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(h)];
1653 #ifdef decode_significance
1654 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1655 last_coeff_ctx_base, sig_off);
1657 if (is_dc && chroma422) { // dc 422
1658 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1660 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1661 last_coeff_ctx_base-significant_coeff_ctx_base);
1664 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1666 if (is_dc && chroma422) { // dc 422
1667 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1669 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1673 assert(coeff_count > 0);
1677 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1679 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1680 h->non_zero_count_cache[scan8[n]] = coeff_count;
1682 if( max_coeff == 64 )
1683 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1685 assert( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1686 h->non_zero_count_cache[scan8[n]] = coeff_count;
1690 #define STORE_BLOCK(type) \
1692 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1694 int j= scantable[index[--coeff_count]]; \
1696 if( get_cabac( CC, ctx ) == 0 ) { \
1697 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1699 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1701 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1704 int coeff_abs = 2; \
1705 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1706 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1708 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1712 if( coeff_abs >= 15 ) { \
1714 while( get_cabac_bypass( CC ) ) { \
1720 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1726 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1728 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1731 } while ( coeff_count );
1733 if (h->pixel_shift) {
1734 STORE_BLOCK(int32_t)
1736 STORE_BLOCK(int16_t)
1738 #ifdef CABAC_ON_STACK
1739 h->cabac.range = cc.range ;
1740 h->cabac.low = cc.low ;
1741 h->cabac.bytestream= cc.bytestream;
1746 static av_noinline void decode_cabac_residual_dc_internal(H264Context *h,
1749 const uint8_t *scantable,
1752 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1755 static av_noinline void decode_cabac_residual_dc_internal_422(H264Context *h,
1758 const uint8_t *scantable,
1761 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1764 static av_noinline void decode_cabac_residual_nondc_internal(H264Context *h,
1767 const uint8_t *scantable,
1768 const uint32_t *qmul,
1771 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1774 /* cat: 0-> DC 16x16 n = 0
1775 * 1-> AC 16x16 n = luma4x4idx
1776 * 2-> Luma4x4 n = luma4x4idx
1777 * 3-> DC Chroma n = iCbCr
1778 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1779 * 5-> Luma8x8 n = 4 * luma8x8idx */
1781 /* Partially inline the CABAC residual decode: inline the coded block flag.
1782 * This has very little impact on binary size and improves performance
1783 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1784 * as well as because most blocks have zero CBFs. */
1786 static av_always_inline void decode_cabac_residual_dc(H264Context *h,
1789 const uint8_t *scantable,
1792 /* read coded block flag */
1793 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1794 h->non_zero_count_cache[scan8[n]] = 0;
1797 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1800 static av_always_inline void
1801 decode_cabac_residual_dc_422(H264Context *h, int16_t *block,
1802 int cat, int n, const uint8_t *scantable,
1805 /* read coded block flag */
1806 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1807 h->non_zero_count_cache[scan8[n]] = 0;
1810 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1813 static av_always_inline void decode_cabac_residual_nondc(H264Context *h,
1816 const uint8_t *scantable,
1817 const uint32_t *qmul,
1820 /* read coded block flag */
1821 if( (cat != 5 || CHROMA444(h)) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1822 if( max_coeff == 64 ) {
1823 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1825 h->non_zero_count_cache[scan8[n]] = 0;
1829 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1832 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 )
1834 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1835 const uint32_t *qmul;
1837 int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];
1838 if( IS_INTRA16x16( mb_type ) ) {
1839 AV_ZERO128(h->mb_luma_dc[p]+0);
1840 AV_ZERO128(h->mb_luma_dc[p]+8);
1841 AV_ZERO128(h->mb_luma_dc[p]+16);
1842 AV_ZERO128(h->mb_luma_dc[p]+24);
1843 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1846 qmul = h->dequant4_coeff[p][qscale];
1847 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1848 const int index = 16*p + i4x4;
1849 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1852 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1855 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1856 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1857 if( cbp & (1<<i8x8) ) {
1858 if( IS_8x8DCT(mb_type) ) {
1859 const int index = 16*p + 4*i8x8;
1860 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1861 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1863 qmul = h->dequant4_coeff[cqm][qscale];
1864 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1865 const int index = 16*p + 4*i8x8 + i4x4;
1867 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1868 //STOP_TIMER("decode_residual")
1872 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1879 * Decode a macroblock.
1880 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1882 int ff_h264_decode_mb_cabac(H264Context *h) {
1884 int mb_type, partition_count, cbp = 0;
1885 int dct8x8_allowed= h->pps.transform_8x8_mode;
1886 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1887 const int pixel_shift = h->pixel_shift;
1889 mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
1891 tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
1892 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1894 /* a skipped mb needs the aff flag from the following mb */
1895 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 1 && h->prev_mb_skipped)
1896 skip = h->next_mb_skipped;
1898 skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );
1899 /* read skip flags */
1901 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 0) {
1902 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1903 h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );
1904 if(!h->next_mb_skipped)
1905 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1910 h->cbp_table[mb_xy] = 0;
1911 h->chroma_pred_mode_table[mb_xy] = 0;
1912 h->last_qscale_diff = 0;
1918 if (FRAME_MBAFF(h)) {
1919 if( (h->mb_y&1) == 0 )
1921 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1924 h->prev_mb_skipped = 0;
1926 fill_decode_neighbors(h, -(MB_FIELD(h)));
1928 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1930 assert(h->slice_type_nos == AV_PICTURE_TYPE_B);
1932 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1934 if( !IS_DIRECT( h->top_type-1 ) )
1937 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1938 mb_type= 0; /* B_Direct_16x16 */
1939 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1940 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1943 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1944 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1945 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1946 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1948 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1949 }else if( bits == 13 ){
1950 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1951 goto decode_intra_mb;
1952 }else if( bits == 14 ){
1953 mb_type= 11; /* B_L1_L0_8x16 */
1954 }else if( bits == 15 ){
1955 mb_type= 22; /* B_8x8 */
1957 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1958 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1961 partition_count= b_mb_type_info[mb_type].partition_count;
1962 mb_type= b_mb_type_info[mb_type].type;
1963 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1964 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1966 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1967 /* P_L0_D16x16, P_8x8 */
1968 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1970 /* P_L0_D8x16, P_L0_D16x8 */
1971 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1973 partition_count= p_mb_type_info[mb_type].partition_count;
1974 mb_type= p_mb_type_info[mb_type].type;
1976 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1977 goto decode_intra_mb;
1980 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1981 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1983 assert(h->slice_type_nos == AV_PICTURE_TYPE_I);
1985 partition_count = 0;
1986 cbp= i_mb_type_info[mb_type].cbp;
1987 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1988 mb_type= i_mb_type_info[mb_type].type;
1991 mb_type |= MB_TYPE_INTERLACED;
1993 h->slice_table[ mb_xy ]= h->slice_num;
1995 if(IS_INTRA_PCM(mb_type)) {
1996 const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
1997 h->sps.bit_depth_luma >> 3;
2000 // We assume these blocks are very rare so we do not optimize it.
2001 // FIXME The two following lines get the bitstream position in the cabac
2002 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2003 ptr= h->cabac.bytestream;
2004 if(h->cabac.low&0x1) ptr--;
2006 if(h->cabac.low&0x1FF) ptr--;
2009 // The pixels are stored in the same order as levels in h->mb array.
2010 if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
2012 h->intra_pcm_ptr = ptr;
2015 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
2017 // All blocks are present
2018 h->cbp_table[mb_xy] = 0xf7ef;
2019 h->chroma_pred_mode_table[mb_xy] = 0;
2020 // In deblocking, the quantizer is 0
2021 h->cur_pic.qscale_table[mb_xy] = 0;
2022 // All coeffs are present
2023 memset(h->non_zero_count[mb_xy], 16, 48);
2024 h->cur_pic.mb_type[mb_xy] = mb_type;
2025 h->last_qscale_diff = 0;
2029 fill_decode_caches(h, mb_type);
2031 if( IS_INTRA( mb_type ) ) {
2033 if( IS_INTRA4x4( mb_type ) ) {
2034 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2035 mb_type |= MB_TYPE_8x8DCT;
2036 for( i = 0; i < 16; i+=4 ) {
2037 int pred = pred_intra_mode( h, i );
2038 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2039 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2042 for( i = 0; i < 16; i++ ) {
2043 int pred = pred_intra_mode( h, i );
2044 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2046 av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2047 h->intra4x4_pred_mode_cache[scan8[i]]);
2050 write_back_intra_pred_mode(h);
2051 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2053 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );
2054 if( h->intra16x16_pred_mode < 0 ) return -1;
2057 h->chroma_pred_mode_table[mb_xy] =
2058 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2060 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );
2061 if( pred_mode < 0 ) return -1;
2062 h->chroma_pred_mode= pred_mode;
2064 h->chroma_pred_mode= DC_128_PRED8x8;
2066 } else if( partition_count == 4 ) {
2067 int i, j, sub_partition_count[4], list, ref[2][4];
2069 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2070 for( i = 0; i < 4; i++ ) {
2071 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2072 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2073 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2075 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2076 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2077 ff_h264_pred_direct_motion(h, &mb_type);
2078 h->ref_cache[0][scan8[4]] =
2079 h->ref_cache[1][scan8[4]] =
2080 h->ref_cache[0][scan8[12]] =
2081 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2082 for( i = 0; i < 4; i++ )
2083 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2086 for( i = 0; i < 4; i++ ) {
2087 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2088 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2089 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2093 for( list = 0; list < h->list_count; list++ ) {
2094 for( i = 0; i < 4; i++ ) {
2095 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2096 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2097 int rc = h->ref_count[list] << MB_MBAFF(h);
2099 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2100 if (ref[list][i] >= (unsigned) rc) {
2101 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
2109 h->ref_cache[list][ scan8[4*i]+1 ]=
2110 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2115 dct8x8_allowed = get_dct8x8_allowed(h);
2117 for(list=0; list<h->list_count; list++){
2119 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2120 if(IS_DIRECT(h->sub_mb_type[i])){
2121 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2125 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2126 const int sub_mb_type= h->sub_mb_type[i];
2127 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2128 for(j=0; j<sub_partition_count[i]; j++){
2131 const int index= 4*i + block_width*j;
2132 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2133 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2134 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2135 DECODE_CABAC_MB_MVD( h, list, index)
2136 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2138 if(IS_SUB_8X8(sub_mb_type)){
2140 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2142 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2145 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2147 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2148 }else if(IS_SUB_8X4(sub_mb_type)){
2149 mv_cache[ 1 ][0]= mx;
2150 mv_cache[ 1 ][1]= my;
2152 mvd_cache[ 1 ][0]= mpx;
2153 mvd_cache[ 1 ][1]= mpy;
2154 }else if(IS_SUB_4X8(sub_mb_type)){
2155 mv_cache[ 8 ][0]= mx;
2156 mv_cache[ 8 ][1]= my;
2158 mvd_cache[ 8 ][0]= mpx;
2159 mvd_cache[ 8 ][1]= mpy;
2161 mv_cache[ 0 ][0]= mx;
2162 mv_cache[ 0 ][1]= my;
2164 mvd_cache[ 0 ][0]= mpx;
2165 mvd_cache[ 0 ][1]= mpy;
2168 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2169 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2173 } else if( IS_DIRECT(mb_type) ) {
2174 ff_h264_pred_direct_motion(h, &mb_type);
2175 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2176 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2177 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2180 if(IS_16X16(mb_type)){
2181 for(list=0; list<h->list_count; list++){
2182 if(IS_DIR(mb_type, 0, list)){
2183 int ref, rc = h->ref_count[list] << MB_MBAFF(h);
2185 ref= decode_cabac_mb_ref(h, list, 0);
2186 if (ref >= (unsigned) rc) {
2187 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2192 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2195 for(list=0; list<h->list_count; list++){
2196 if(IS_DIR(mb_type, 0, list)){
2198 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2199 DECODE_CABAC_MB_MVD( h, list, 0)
2200 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2202 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2203 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2207 else if(IS_16X8(mb_type)){
2208 for(list=0; list<h->list_count; list++){
2210 if(IS_DIR(mb_type, i, list)){
2211 int ref, rc = h->ref_count[list] << MB_MBAFF(h);
2213 ref= decode_cabac_mb_ref( h, list, 8*i );
2214 if (ref >= (unsigned) rc) {
2215 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2220 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2222 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2225 for(list=0; list<h->list_count; list++){
2227 if(IS_DIR(mb_type, i, list)){
2229 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2230 DECODE_CABAC_MB_MVD( h, list, 8*i)
2231 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2233 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2234 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2236 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2237 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2242 assert(IS_8X16(mb_type));
2243 for(list=0; list<h->list_count; list++){
2245 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2246 int ref, rc = h->ref_count[list] << MB_MBAFF(h);
2248 ref= decode_cabac_mb_ref( h, list, 4*i );
2249 if (ref >= (unsigned) rc) {
2250 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2255 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2257 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2260 for(list=0; list<h->list_count; list++){
2262 if(IS_DIR(mb_type, i, list)){
2264 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2265 DECODE_CABAC_MB_MVD( h, list, 4*i)
2267 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2268 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2269 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2271 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2272 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2279 if( IS_INTER( mb_type ) ) {
2280 h->chroma_pred_mode_table[mb_xy] = 0;
2281 write_back_motion( h, mb_type );
2284 if( !IS_INTRA16x16( mb_type ) ) {
2285 cbp = decode_cabac_mb_cbp_luma( h );
2287 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2290 h->cbp_table[mb_xy] = h->cbp = cbp;
2292 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2293 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2296 /* It would be better to do this in fill_decode_caches, but we don't know
2297 * the transform mode of the current macroblock there. */
2298 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2300 uint8_t *nnz_cache = h->non_zero_count_cache;
2301 for (i = 0; i < 2; i++){
2302 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2303 nnz_cache[3+8* 1 + 2*8*i]=
2304 nnz_cache[3+8* 2 + 2*8*i]=
2305 nnz_cache[3+8* 6 + 2*8*i]=
2306 nnz_cache[3+8* 7 + 2*8*i]=
2307 nnz_cache[3+8*11 + 2*8*i]=
2308 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2311 if (h->top_type && !IS_8x8DCT(h->top_type)){
2312 uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2313 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2314 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2315 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2318 h->cur_pic.mb_type[mb_xy] = mb_type;
2320 if( cbp || IS_INTRA16x16( mb_type ) ) {
2321 const uint8_t *scan, *scan8x8;
2322 const uint32_t *qmul;
2324 if(IS_INTERLACED(mb_type)){
2325 scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2326 scan= h->qscale ? h->field_scan : h->field_scan_q0;
2328 scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2329 scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2332 // decode_cabac_mb_dqp
2333 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2336 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2338 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2341 if(val > 2*max_qp){ //prevent infinite loop
2342 av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y);
2350 val= -((val + 1)>>1);
2351 h->last_qscale_diff = val;
2353 if(((unsigned)h->qscale) > max_qp){
2354 if(h->qscale<0) h->qscale+= max_qp+1;
2355 else h->qscale-= max_qp+1;
2357 h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
2358 h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
2360 h->last_qscale_diff=0;
2362 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2364 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2365 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2366 } else if (CHROMA422(h)) {
2369 for (c = 0; c < 2; c++)
2370 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2371 CHROMA_DC_BLOCK_INDEX + c,
2372 chroma422_dc_scan, 8);
2377 for( c = 0; c < 2; c++ ) {
2378 int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2379 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2380 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2381 for (i = 0; i < 4; i++) {
2382 const int index = 16 + 16 * c + 8*i8x8 + i;
2383 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2384 mb += 16<<pixel_shift;
2389 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2390 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2392 } else /* yuv420 */ {
2395 for (c = 0; c < 2; c++)
2396 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2401 for( c = 0; c < 2; c++ ) {
2402 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2403 for( i = 0; i < 4; i++ ) {
2404 const int index = 16 + 16 * c + i;
2405 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2409 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2410 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2414 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2415 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2416 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2417 h->last_qscale_diff = 0;
2420 h->cur_pic.qscale_table[mb_xy] = h->qscale;
2421 write_back_non_zero_count(h);
projects / ffmpeg / blob