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"
33 #include "cabac_functions.h"
38 #include "h264_mvpred.h"
42 #include "x86/h264_i386.h"
47 /* Cabac pre state table */
49 static const int8_t cabac_context_init_I[1024][2] =
52 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
53 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
54 { -6, 53 }, { -1, 54 }, { 7, 51 },
56 /* 11 - 23 unsused for I */
57 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
58 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
59 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
63 { 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 },
69 { 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 },
75 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
79 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
80 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
81 { 13, 41 }, { 3, 62 },
84 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
85 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
86 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
87 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
88 { -12, 115 },{ -16, 122 },
91 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
92 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
93 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
94 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
98 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
99 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
100 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
101 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
102 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
103 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
104 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
105 { 14, 62 }, { -13, 108 },{ -15, 100 },
108 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
109 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
110 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
111 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
112 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
113 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
114 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
115 { 0, 62 }, { 12, 72 },
118 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
119 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
120 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
121 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
122 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
123 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
124 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
125 { 0, 89 }, { 26, -19 }, { 22, -17 },
128 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
129 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
130 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
131 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
132 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
133 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
134 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
135 { 12, 68 }, { 2, 97 },
138 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
139 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
140 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
141 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
142 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
143 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
147 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
148 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
149 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
150 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
151 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
152 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
154 /* 276 a bit special (not used, bypass is used instead) */
158 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
159 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
160 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
161 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
162 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
163 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
164 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
165 { 9, 64 }, { -12, 104 },{ -11, 97 },
168 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
169 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
170 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
171 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
172 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
173 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
174 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
175 { 5, 64 }, { 12, 70 },
178 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
179 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
180 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
181 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
182 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
183 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
184 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
185 { -12, 109 },{ 36, -35 }, { 36, -34 },
188 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
189 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
190 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
191 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
192 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
193 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
194 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
195 { 29, 39 }, { 19, 66 },
198 { 31, 21 }, { 31, 31 }, { 25, 50 },
199 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
200 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
201 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
202 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
203 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
204 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
205 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
206 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
207 { 0, 68 }, { -9, 92 },
210 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
211 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
212 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
213 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
214 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
215 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
218 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
219 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
220 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
221 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
222 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
223 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
224 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
225 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
226 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
227 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
228 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
229 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
230 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
231 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
232 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
233 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
234 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
235 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
236 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
237 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
238 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
239 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
240 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
241 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
242 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
243 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
244 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
245 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
246 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
247 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
248 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
249 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
250 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
251 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
252 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
253 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
254 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
255 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
256 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
257 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
258 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
259 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
260 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
261 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
262 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
263 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
264 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
265 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
266 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
267 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
268 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
269 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
270 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
271 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
272 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
273 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
274 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
275 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
276 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
277 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
278 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
279 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
280 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
281 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
282 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
283 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
284 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
285 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
286 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
287 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
288 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
289 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
290 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
291 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
292 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
293 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
294 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
295 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
296 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
297 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
298 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
299 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
300 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
301 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
302 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
303 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
304 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
305 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
306 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
307 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
308 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
309 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
310 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
311 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
312 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
313 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
314 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
315 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
316 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
317 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
318 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
319 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
320 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
321 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
322 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
323 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
324 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
325 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
326 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
327 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
328 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
329 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
330 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
331 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
332 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
333 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
334 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
335 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
336 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
337 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
338 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
339 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
340 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
341 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
342 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
343 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
344 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
345 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
346 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
347 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
348 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
349 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
350 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
351 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
352 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
353 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
354 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
355 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
356 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
357 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
358 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
361 static const int8_t cabac_context_init_PB[3][1024][2] =
363 /* i_cabac_init_idc == 0 */
366 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
367 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
368 { -6, 53 }, { -1, 54 }, { 7, 51 },
371 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
372 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
373 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
377 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
378 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
379 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
380 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
383 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
384 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
385 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
386 { -3, 81 }, { 0, 88 },
389 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
390 { -7, 72 }, { 1, 58 },
393 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
394 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
395 { 13, 41 }, { 3, 62 },
398 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
399 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
400 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
401 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
402 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
403 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
404 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
405 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
406 { 0, 68 }, { -4, 69 }, { -8, 88 },
409 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
410 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
411 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
412 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
413 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
414 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
415 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
416 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
417 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
418 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
419 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
420 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
421 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
422 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
423 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
427 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
428 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
429 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
430 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
431 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
432 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
433 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
434 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
435 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
436 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
437 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
438 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
439 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
440 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
441 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
445 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
446 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
447 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
448 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
449 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
450 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
451 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
452 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
453 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
454 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
455 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
456 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
459 /* 276 a bit special (not used, bypass is used instead) */
463 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
464 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
465 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
466 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
467 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
468 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
469 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
470 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
471 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
472 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
473 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
474 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
475 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
476 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
477 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
481 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
482 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
483 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
484 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
485 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
486 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
487 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
488 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
489 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
490 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
491 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
492 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
493 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
494 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
495 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
499 { 12, 40 }, { 11, 51 }, { 14, 59 },
500 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
501 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
502 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
503 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
504 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
505 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
506 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
507 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
508 { -8, 66 }, { -8, 76 },
511 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
512 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
513 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
514 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
515 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
516 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
519 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
520 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
521 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
522 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
523 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
524 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
525 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
526 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
527 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
528 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
529 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
530 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
531 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
532 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
533 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
534 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
535 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
536 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
537 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
538 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
539 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
540 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
541 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
542 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
543 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
544 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
545 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
546 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
547 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
548 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
549 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
550 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
551 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
552 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
553 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
554 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
555 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
556 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
557 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
558 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
559 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
560 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
561 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
562 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
563 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
564 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
565 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
566 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
567 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
568 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
569 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
570 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
571 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
572 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
573 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
574 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
575 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
576 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
577 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
578 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
579 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
580 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
581 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
582 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
583 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
584 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
585 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
586 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
587 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
588 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
589 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
590 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
591 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
592 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
593 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
594 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
595 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
596 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
597 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
598 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
599 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
600 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
601 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
602 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
603 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
604 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
605 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
606 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
607 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
608 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
609 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
610 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
611 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
612 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
613 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
614 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
615 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
616 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
617 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
618 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
619 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
620 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
621 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
622 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
623 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
624 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
625 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
626 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
627 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
628 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
629 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
630 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
631 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
632 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
633 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
634 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
635 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
636 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
637 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
638 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
639 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
640 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
641 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
642 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
643 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
644 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
645 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
646 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
647 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
648 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
649 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
650 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
651 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
652 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
653 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
654 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
655 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
656 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
657 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
658 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
659 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
662 /* i_cabac_init_idc == 1 */
665 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
666 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
667 { -6, 53 }, { -1, 54 }, { 7, 51 },
670 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
671 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
672 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
676 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
677 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
678 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
679 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
682 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
683 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
684 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
685 { -7, 86 },{ -5, 95 },
688 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
689 { -5, 72 },{ 0, 61 },
692 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
693 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
694 { 13, 41 }, { 3, 62 },
697 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
698 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
699 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
700 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
701 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
702 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
703 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
704 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
705 { 0, 68 }, { -7, 74 }, { -9, 88 },
708 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
709 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
710 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
711 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
712 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
713 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
714 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
715 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
716 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
717 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
718 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
719 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
720 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
721 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
722 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
726 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
727 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
728 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
729 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
730 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
731 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
732 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
733 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
734 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
735 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
736 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
737 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
738 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
739 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
740 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
744 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
745 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
746 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
747 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
748 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
749 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
750 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
751 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
752 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
753 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
754 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
755 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
758 /* 276 a bit special (not used, bypass is used instead) */
762 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
763 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
764 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
765 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
766 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
767 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
768 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
769 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
770 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
771 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
772 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
773 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
774 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
775 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
776 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
780 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
781 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
782 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
783 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
784 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
785 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
786 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
787 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
788 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
789 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
790 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
791 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
792 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
793 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
794 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
798 { 25, 32 }, { 21, 49 }, { 21, 54 },
799 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
800 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
801 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
802 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
803 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
804 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
805 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
806 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
807 { -4, 67 }, { -7, 82 },
810 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
811 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
812 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
813 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
814 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
815 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
818 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
819 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
820 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
821 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
822 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
823 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
824 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
825 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
826 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
827 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
828 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
829 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
830 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
831 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
832 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
833 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
834 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
835 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
836 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
837 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
838 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
839 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
840 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
841 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
842 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
843 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
844 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
845 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
846 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
847 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
848 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
849 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
850 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
851 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
852 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
853 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
854 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
855 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
856 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
857 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
858 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
859 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
860 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
861 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
862 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
863 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
864 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
865 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
866 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
867 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
868 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
869 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
870 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
871 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
872 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
873 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
874 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
875 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
876 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
877 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
878 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
879 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
880 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
881 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
882 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
883 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
884 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
885 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
886 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
887 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
888 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
889 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
890 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
891 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
892 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
893 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
894 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
895 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
896 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
897 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
898 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
899 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
900 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
901 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
902 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
903 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
904 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
905 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
906 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
907 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
908 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
909 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
910 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
911 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
912 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
913 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
914 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
915 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
916 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
917 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
918 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
919 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
920 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
921 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
922 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
923 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
924 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
925 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
926 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
927 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
928 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
929 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
930 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
931 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
932 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
933 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
934 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
935 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
936 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
937 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
938 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
939 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
940 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
941 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
942 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
943 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
944 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
945 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
946 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
947 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
948 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
949 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
950 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
951 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
952 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
953 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
954 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
955 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
956 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
957 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
958 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
961 /* i_cabac_init_idc == 2 */
964 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
965 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
966 { -6, 53 }, { -1, 54 }, { 7, 51 },
969 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
970 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
971 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
975 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
976 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
977 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
978 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
981 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
982 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
983 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
984 { -3, 90 },{ -1, 101 },
987 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
988 { -7, 50 },{ 1, 60 },
991 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
992 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
993 { 13, 41 }, { 3, 62 },
996 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
997 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
998 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
999 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
1000 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1001 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1002 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1003 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1004 { 3, 68 }, { -8, 71 }, { -13, 98 },
1007 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1008 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1009 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1010 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1011 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1012 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1013 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1014 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1015 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1016 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1017 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1018 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1019 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1020 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1021 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1025 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1026 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1027 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1028 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1029 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1030 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1031 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1032 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1033 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1034 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1035 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1036 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1037 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1038 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1039 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1043 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1044 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1045 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1046 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1047 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1048 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1049 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1050 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1051 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1052 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1053 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1054 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1057 /* 276 a bit special (not used, bypass is used instead) */
1061 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1062 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1063 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1064 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1065 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1066 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1067 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1068 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1069 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1070 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1071 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1072 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1073 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1074 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1075 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1079 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1080 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1081 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1082 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1083 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1084 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1085 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1086 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1087 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1088 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1089 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1090 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1091 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1092 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1093 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1097 { 21, 33 }, { 19, 50 }, { 17, 61 },
1098 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1099 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1100 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1101 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1102 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1103 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1104 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1105 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1106 { -6, 68 }, { -10, 79 },
1109 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1110 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1111 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1112 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1113 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1114 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1117 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1118 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1119 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1120 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1121 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1122 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1123 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1124 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1125 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1126 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1127 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1128 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1129 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1130 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1131 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1132 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1133 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1134 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1135 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1136 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1137 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1138 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1139 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1140 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1141 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1142 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1143 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1144 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1145 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1146 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1147 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1148 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1149 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1150 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1151 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1152 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1153 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1154 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1155 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1156 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1157 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1158 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1159 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1160 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1161 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1162 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1163 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1164 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1165 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1166 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1167 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1168 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1169 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1170 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1171 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1172 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1173 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1174 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1175 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1176 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1177 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1178 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1179 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1180 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1181 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1182 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1183 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1184 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1185 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1186 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1187 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1188 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1189 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1190 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1191 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1192 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1193 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1194 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1195 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1196 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1197 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1198 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1199 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1200 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1201 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1202 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1203 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1204 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1205 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1206 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1207 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1208 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1209 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1210 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1211 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1212 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1213 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1214 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1215 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1216 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1217 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1218 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1219 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1220 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1221 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1222 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1223 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1224 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1225 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1226 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1227 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1228 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1229 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1230 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1231 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1232 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1233 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1234 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1235 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1236 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1237 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1238 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1239 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1240 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1241 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1242 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1243 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1244 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1245 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1246 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1247 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1248 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1249 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1250 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1251 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1252 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1253 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1254 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1255 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1256 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1257 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1261 void ff_h264_init_cabac_states(H264Context *h) {
1263 const int8_t (*tab)[2];
1264 const int slice_qp = av_clip(h->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1266 if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
1267 else tab = cabac_context_init_PB[h->cabac_init_idc];
1269 /* calculate pre-state */
1270 for( i= 0; i < 1024; i++ ) {
1271 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1277 h->cabac_state[i] = pre;
1281 static int decode_cabac_field_decoding_flag(H264Context *h) {
1282 const long mbb_xy = h->mb_xy - 2L*h->mb_stride;
1284 unsigned long ctx = 0;
1286 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);
1287 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1289 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1292 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1293 uint8_t *state= &h->cabac_state[ctx_base];
1298 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1300 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1302 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1303 return 0; /* I4x4 */
1306 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1307 return 0; /* I4x4 */
1310 if( get_cabac_terminate( &h->cabac ) )
1311 return 25; /* PCM */
1313 mb_type = 1; /* I16x16 */
1314 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1315 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1316 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1317 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1318 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1322 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1326 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1327 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1330 && h->slice_table[mba_xy] == h->slice_num
1331 && MB_FIELD(h) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1332 mba_xy += h->mb_stride;
1334 mbb_xy = mb_xy - h->mb_stride;
1336 && h->slice_table[mbb_xy] == h->slice_num
1337 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1338 mbb_xy -= h->mb_stride;
1340 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1342 int mb_xy = h->mb_xy;
1344 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1347 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1349 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1352 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1354 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1357 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1360 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1363 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1364 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1365 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1367 return mode + ( mode >= pred_mode );
1370 static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1371 const int mba_xy = h->left_mb_xy[0];
1372 const int mbb_xy = h->top_mb_xy;
1376 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1377 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1380 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1383 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1386 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1388 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1394 static int decode_cabac_mb_cbp_luma( H264Context *h) {
1395 int cbp_b, cbp_a, ctx, cbp = 0;
1397 cbp_a = h->left_cbp;
1400 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1401 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1402 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1403 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1404 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1405 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1406 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1407 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1410 static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1414 cbp_a = (h->left_cbp>>4)&0x03;
1415 cbp_b = (h-> top_cbp>>4)&0x03;
1418 if( cbp_a > 0 ) ctx++;
1419 if( cbp_b > 0 ) ctx += 2;
1420 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1424 if( cbp_a == 2 ) ctx++;
1425 if( cbp_b == 2 ) ctx += 2;
1426 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1429 static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1430 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1432 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1434 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1438 static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1440 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1441 return 0; /* B_Direct_8x8 */
1442 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1443 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1445 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1446 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1447 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1450 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1451 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1455 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1456 int refa = h->ref_cache[list][scan8[n] - 1];
1457 int refb = h->ref_cache[list][scan8[n] - 8];
1461 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1462 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1464 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1473 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1476 if(ref >= 32 /*h->ref_list[list]*/){
1483 static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1486 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1487 // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1494 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1502 while( get_cabac_bypass( &h->cabac ) ) {
1506 av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1511 mvd += get_cabac_bypass( &h->cabac )<<k;
1513 *mvda=mvd < 70 ? mvd : 70;
1516 return get_cabac_bypass_sign( &h->cabac, -mvd );
1519 #define DECODE_CABAC_MB_MVD( h, list, n )\
1521 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1522 h->mvd_cache[list][scan8[n] - 8][0];\
1523 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1524 h->mvd_cache[list][scan8[n] - 8][1];\
1526 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1527 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1530 static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1533 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1537 idx -= CHROMA_DC_BLOCK_INDEX;
1538 nza = (h->left_cbp>>(6+idx))&0x01;
1539 nzb = (h-> top_cbp>>(6+idx))&0x01;
1541 idx -= LUMA_DC_BLOCK_INDEX;
1542 nza = h->left_cbp&(0x100<<idx);
1543 nzb = h-> top_cbp&(0x100<<idx);
1546 nza = h->non_zero_count_cache[scan8[idx] - 1];
1547 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1556 return base_ctx[cat] + ctx;
1559 static av_always_inline void
1560 decode_cabac_residual_internal(H264Context *h, int16_t *block,
1561 int cat, int n, const uint8_t *scantable,
1562 const uint32_t *qmul, int max_coeff,
1563 int is_dc, int chroma422)
1565 static const int significant_coeff_flag_offset[2][14] = {
1566 { 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 },
1567 { 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 }
1569 static const int last_coeff_flag_offset[2][14] = {
1570 { 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 },
1571 { 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 }
1573 static const int coeff_abs_level_m1_offset[14] = {
1574 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
1576 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1577 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1578 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1579 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1580 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1581 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1582 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1583 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1584 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1586 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1587 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1588 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1589 * map node ctx => cabac ctx for level=1 */
1590 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1591 /* map node ctx => cabac ctx for level>1 */
1592 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1593 { 5, 5, 5, 5, 6, 7, 8, 9 },
1594 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1596 static const uint8_t coeff_abs_level_transition[2][8] = {
1597 /* update node ctx after decoding a level=1 */
1598 { 1, 2, 3, 3, 4, 5, 6, 7 },
1599 /* update node ctx after decoding a level>1 */
1600 { 4, 4, 4, 4, 5, 6, 7, 7 }
1606 int coeff_count = 0;
1609 uint8_t *significant_coeff_ctx_base;
1610 uint8_t *last_coeff_ctx_base;
1611 uint8_t *abs_level_m1_ctx_base;
1614 #define CABAC_ON_STACK
1616 #ifdef CABAC_ON_STACK
1619 cc.range = h->cabac.range;
1620 cc.low = h->cabac.low;
1621 cc.bytestream= h->cabac.bytestream;
1622 cc.bytestream_end = h->cabac.bytestream_end;
1624 #define CC &h->cabac
1627 significant_coeff_ctx_base = h->cabac_state
1628 + significant_coeff_flag_offset[MB_FIELD(h)][cat];
1629 last_coeff_ctx_base = h->cabac_state
1630 + last_coeff_flag_offset[MB_FIELD(h)][cat];
1631 abs_level_m1_ctx_base = h->cabac_state
1632 + coeff_abs_level_m1_offset[cat];
1634 if( !is_dc && max_coeff == 64 ) {
1635 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1636 for(last= 0; last < coefs; last++) { \
1637 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1638 if( get_cabac( CC, sig_ctx )) { \
1639 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1640 index[coeff_count++] = last; \
1641 if( get_cabac( CC, last_ctx ) ) { \
1647 if( last == max_coeff -1 ) {\
1648 index[coeff_count++] = last;\
1650 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(h)];
1651 #ifdef decode_significance
1652 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1653 last_coeff_ctx_base, sig_off);
1655 if (is_dc && chroma422) { // dc 422
1656 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1658 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1659 last_coeff_ctx_base-significant_coeff_ctx_base);
1662 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1664 if (is_dc && chroma422) { // dc 422
1665 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1667 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1671 assert(coeff_count > 0);
1675 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1677 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1678 h->non_zero_count_cache[scan8[n]] = coeff_count;
1680 if( max_coeff == 64 )
1681 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1683 assert( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1684 h->non_zero_count_cache[scan8[n]] = coeff_count;
1688 #define STORE_BLOCK(type) \
1690 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1692 int j= scantable[index[--coeff_count]]; \
1694 if( get_cabac( CC, ctx ) == 0 ) { \
1695 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1697 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1699 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1702 int coeff_abs = 2; \
1703 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1704 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1706 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1710 if( coeff_abs >= 15 ) { \
1712 while( get_cabac_bypass( CC ) ) { \
1718 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1724 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1726 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1729 } while ( coeff_count );
1731 if (h->pixel_shift) {
1732 STORE_BLOCK(int32_t)
1734 STORE_BLOCK(int16_t)
1736 #ifdef CABAC_ON_STACK
1737 h->cabac.range = cc.range ;
1738 h->cabac.low = cc.low ;
1739 h->cabac.bytestream= cc.bytestream;
1744 static av_noinline void decode_cabac_residual_dc_internal(H264Context *h,
1747 const uint8_t *scantable,
1750 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1753 static av_noinline void decode_cabac_residual_dc_internal_422(H264Context *h,
1756 const uint8_t *scantable,
1759 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1762 static av_noinline void decode_cabac_residual_nondc_internal(H264Context *h,
1765 const uint8_t *scantable,
1766 const uint32_t *qmul,
1769 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1772 /* cat: 0-> DC 16x16 n = 0
1773 * 1-> AC 16x16 n = luma4x4idx
1774 * 2-> Luma4x4 n = luma4x4idx
1775 * 3-> DC Chroma n = iCbCr
1776 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1777 * 5-> Luma8x8 n = 4 * luma8x8idx */
1779 /* Partially inline the CABAC residual decode: inline the coded block flag.
1780 * This has very little impact on binary size and improves performance
1781 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1782 * as well as because most blocks have zero CBFs. */
1784 static av_always_inline void decode_cabac_residual_dc(H264Context *h,
1787 const uint8_t *scantable,
1790 /* read coded block flag */
1791 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1792 h->non_zero_count_cache[scan8[n]] = 0;
1795 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1798 static av_always_inline void
1799 decode_cabac_residual_dc_422(H264Context *h, int16_t *block,
1800 int cat, int n, const uint8_t *scantable,
1803 /* read coded block flag */
1804 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1805 h->non_zero_count_cache[scan8[n]] = 0;
1808 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1811 static av_always_inline void decode_cabac_residual_nondc(H264Context *h,
1814 const uint8_t *scantable,
1815 const uint32_t *qmul,
1818 /* read coded block flag */
1819 if( (cat != 5 || CHROMA444(h)) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1820 if( max_coeff == 64 ) {
1821 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1823 h->non_zero_count_cache[scan8[n]] = 0;
1827 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1830 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 )
1832 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1833 const uint32_t *qmul;
1835 int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];
1836 if( IS_INTRA16x16( mb_type ) ) {
1837 AV_ZERO128(h->mb_luma_dc[p]+0);
1838 AV_ZERO128(h->mb_luma_dc[p]+8);
1839 AV_ZERO128(h->mb_luma_dc[p]+16);
1840 AV_ZERO128(h->mb_luma_dc[p]+24);
1841 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1844 qmul = h->dequant4_coeff[p][qscale];
1845 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1846 const int index = 16*p + i4x4;
1847 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1850 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1853 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1854 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1855 if( cbp & (1<<i8x8) ) {
1856 if( IS_8x8DCT(mb_type) ) {
1857 const int index = 16*p + 4*i8x8;
1858 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1859 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1861 qmul = h->dequant4_coeff[cqm][qscale];
1862 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1863 const int index = 16*p + 4*i8x8 + i4x4;
1865 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1866 //STOP_TIMER("decode_residual")
1870 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1877 * Decode a macroblock.
1878 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1880 int ff_h264_decode_mb_cabac(H264Context *h) {
1882 int mb_type, partition_count, cbp = 0;
1883 int dct8x8_allowed= h->pps.transform_8x8_mode;
1884 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1885 const int pixel_shift = h->pixel_shift;
1887 mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
1889 tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
1890 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1892 /* a skipped mb needs the aff flag from the following mb */
1893 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 1 && h->prev_mb_skipped)
1894 skip = h->next_mb_skipped;
1896 skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );
1897 /* read skip flags */
1899 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 0) {
1900 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1901 h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );
1902 if(!h->next_mb_skipped)
1903 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1908 h->cbp_table[mb_xy] = 0;
1909 h->chroma_pred_mode_table[mb_xy] = 0;
1910 h->last_qscale_diff = 0;
1916 if (FRAME_MBAFF(h)) {
1917 if( (h->mb_y&1) == 0 )
1919 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1922 h->prev_mb_skipped = 0;
1924 fill_decode_neighbors(h, -(MB_FIELD(h)));
1926 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1928 assert(h->slice_type_nos == AV_PICTURE_TYPE_B);
1930 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1932 if( !IS_DIRECT( h->top_type-1 ) )
1935 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1936 mb_type= 0; /* B_Direct_16x16 */
1937 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1938 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1941 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1942 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1943 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1944 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1946 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1947 }else if( bits == 13 ){
1948 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1949 goto decode_intra_mb;
1950 }else if( bits == 14 ){
1951 mb_type= 11; /* B_L1_L0_8x16 */
1952 }else if( bits == 15 ){
1953 mb_type= 22; /* B_8x8 */
1955 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1956 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1959 partition_count= b_mb_type_info[mb_type].partition_count;
1960 mb_type= b_mb_type_info[mb_type].type;
1961 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1962 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1964 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1965 /* P_L0_D16x16, P_8x8 */
1966 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1968 /* P_L0_D8x16, P_L0_D16x8 */
1969 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1971 partition_count= p_mb_type_info[mb_type].partition_count;
1972 mb_type= p_mb_type_info[mb_type].type;
1974 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1975 goto decode_intra_mb;
1978 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1979 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1981 assert(h->slice_type_nos == AV_PICTURE_TYPE_I);
1983 partition_count = 0;
1984 cbp= i_mb_type_info[mb_type].cbp;
1985 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1986 mb_type= i_mb_type_info[mb_type].type;
1989 mb_type |= MB_TYPE_INTERLACED;
1991 h->slice_table[ mb_xy ]= h->slice_num;
1993 if(IS_INTRA_PCM(mb_type)) {
1994 const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
1995 h->sps.bit_depth_luma >> 3;
1998 // We assume these blocks are very rare so we do not optimize it.
1999 // FIXME The two following lines get the bitstream position in the cabac
2000 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2001 ptr= h->cabac.bytestream;
2002 if(h->cabac.low&0x1) ptr--;
2004 if(h->cabac.low&0x1FF) ptr--;
2007 // The pixels are stored in the same order as levels in h->mb array.
2008 if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
2010 h->intra_pcm_ptr = ptr;
2013 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
2015 // All blocks are present
2016 h->cbp_table[mb_xy] = 0xf7ef;
2017 h->chroma_pred_mode_table[mb_xy] = 0;
2018 // In deblocking, the quantizer is 0
2019 h->cur_pic.qscale_table[mb_xy] = 0;
2020 // All coeffs are present
2021 memset(h->non_zero_count[mb_xy], 16, 48);
2022 h->cur_pic.mb_type[mb_xy] = mb_type;
2023 h->last_qscale_diff = 0;
2027 fill_decode_caches(h, mb_type);
2029 if( IS_INTRA( mb_type ) ) {
2031 if( IS_INTRA4x4( mb_type ) ) {
2032 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2033 mb_type |= MB_TYPE_8x8DCT;
2034 for( i = 0; i < 16; i+=4 ) {
2035 int pred = pred_intra_mode( h, i );
2036 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2037 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2040 for( i = 0; i < 16; i++ ) {
2041 int pred = pred_intra_mode( h, i );
2042 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2044 av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2045 h->intra4x4_pred_mode_cache[scan8[i]]);
2048 write_back_intra_pred_mode(h);
2049 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2051 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );
2052 if( h->intra16x16_pred_mode < 0 ) return -1;
2055 h->chroma_pred_mode_table[mb_xy] =
2056 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2058 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );
2059 if( pred_mode < 0 ) return -1;
2060 h->chroma_pred_mode= pred_mode;
2062 h->chroma_pred_mode= DC_128_PRED8x8;
2064 } else if( partition_count == 4 ) {
2065 int i, j, sub_partition_count[4], list, ref[2][4];
2067 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2068 for( i = 0; i < 4; i++ ) {
2069 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2070 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2071 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2073 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2074 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2075 ff_h264_pred_direct_motion(h, &mb_type);
2076 h->ref_cache[0][scan8[4]] =
2077 h->ref_cache[1][scan8[4]] =
2078 h->ref_cache[0][scan8[12]] =
2079 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2080 for( i = 0; i < 4; i++ )
2081 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2084 for( i = 0; i < 4; i++ ) {
2085 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2086 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2087 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2091 for( list = 0; list < h->list_count; list++ ) {
2092 for( i = 0; i < 4; i++ ) {
2093 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2094 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2095 int rc = h->ref_count[list] << MB_MBAFF(h);
2097 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2098 if (ref[list][i] >= (unsigned) rc) {
2099 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
2107 h->ref_cache[list][ scan8[4*i]+1 ]=
2108 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2113 dct8x8_allowed = get_dct8x8_allowed(h);
2115 for(list=0; list<h->list_count; list++){
2117 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2118 if(IS_DIRECT(h->sub_mb_type[i])){
2119 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2123 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2124 const int sub_mb_type= h->sub_mb_type[i];
2125 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2126 for(j=0; j<sub_partition_count[i]; j++){
2129 const int index= 4*i + block_width*j;
2130 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2131 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2132 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2133 DECODE_CABAC_MB_MVD( h, list, index)
2134 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2136 if(IS_SUB_8X8(sub_mb_type)){
2138 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2140 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2143 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2145 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2146 }else if(IS_SUB_8X4(sub_mb_type)){
2147 mv_cache[ 1 ][0]= mx;
2148 mv_cache[ 1 ][1]= my;
2150 mvd_cache[ 1 ][0]= mpx;
2151 mvd_cache[ 1 ][1]= mpy;
2152 }else if(IS_SUB_4X8(sub_mb_type)){
2153 mv_cache[ 8 ][0]= mx;
2154 mv_cache[ 8 ][1]= my;
2156 mvd_cache[ 8 ][0]= mpx;
2157 mvd_cache[ 8 ][1]= mpy;
2159 mv_cache[ 0 ][0]= mx;
2160 mv_cache[ 0 ][1]= my;
2162 mvd_cache[ 0 ][0]= mpx;
2163 mvd_cache[ 0 ][1]= mpy;
2166 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2167 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2171 } else if( IS_DIRECT(mb_type) ) {
2172 ff_h264_pred_direct_motion(h, &mb_type);
2173 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2174 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2175 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2178 if(IS_16X16(mb_type)){
2179 for(list=0; list<h->list_count; list++){
2180 if(IS_DIR(mb_type, 0, list)){
2181 int ref, rc = h->ref_count[list] << MB_MBAFF(h);
2183 ref= decode_cabac_mb_ref(h, list, 0);
2184 if (ref >= (unsigned) rc) {
2185 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2190 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2193 for(list=0; list<h->list_count; list++){
2194 if(IS_DIR(mb_type, 0, list)){
2196 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2197 DECODE_CABAC_MB_MVD( h, list, 0)
2198 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2200 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2201 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2205 else if(IS_16X8(mb_type)){
2206 for(list=0; list<h->list_count; list++){
2208 if(IS_DIR(mb_type, i, list)){
2209 int ref, rc = h->ref_count[list] << MB_MBAFF(h);
2211 ref= decode_cabac_mb_ref( h, list, 8*i );
2212 if (ref >= (unsigned) rc) {
2213 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2218 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2220 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2223 for(list=0; list<h->list_count; list++){
2225 if(IS_DIR(mb_type, i, list)){
2227 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2228 DECODE_CABAC_MB_MVD( h, list, 8*i)
2229 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2231 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2232 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2234 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2235 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2240 assert(IS_8X16(mb_type));
2241 for(list=0; list<h->list_count; list++){
2243 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2244 int ref, rc = h->ref_count[list] << MB_MBAFF(h);
2246 ref= decode_cabac_mb_ref( h, list, 4*i );
2247 if (ref >= (unsigned) rc) {
2248 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2253 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2255 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2258 for(list=0; list<h->list_count; list++){
2260 if(IS_DIR(mb_type, i, list)){
2262 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2263 DECODE_CABAC_MB_MVD( h, list, 4*i)
2265 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2266 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2267 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2269 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2270 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2277 if( IS_INTER( mb_type ) ) {
2278 h->chroma_pred_mode_table[mb_xy] = 0;
2279 write_back_motion( h, mb_type );
2282 if( !IS_INTRA16x16( mb_type ) ) {
2283 cbp = decode_cabac_mb_cbp_luma( h );
2285 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2288 h->cbp_table[mb_xy] = h->cbp = cbp;
2290 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2291 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2294 /* It would be better to do this in fill_decode_caches, but we don't know
2295 * the transform mode of the current macroblock there. */
2296 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2298 uint8_t *nnz_cache = h->non_zero_count_cache;
2299 for (i = 0; i < 2; i++){
2300 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2301 nnz_cache[3+8* 1 + 2*8*i]=
2302 nnz_cache[3+8* 2 + 2*8*i]=
2303 nnz_cache[3+8* 6 + 2*8*i]=
2304 nnz_cache[3+8* 7 + 2*8*i]=
2305 nnz_cache[3+8*11 + 2*8*i]=
2306 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2309 if (h->top_type && !IS_8x8DCT(h->top_type)){
2310 uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2311 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2312 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2313 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2316 h->cur_pic.mb_type[mb_xy] = mb_type;
2318 if( cbp || IS_INTRA16x16( mb_type ) ) {
2319 const uint8_t *scan, *scan8x8;
2320 const uint32_t *qmul;
2322 if(IS_INTERLACED(mb_type)){
2323 scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2324 scan= h->qscale ? h->field_scan : h->field_scan_q0;
2326 scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2327 scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2330 // decode_cabac_mb_dqp
2331 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2334 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2336 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2339 if(val > 2*max_qp){ //prevent infinite loop
2340 av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y);
2348 val= -((val + 1)>>1);
2349 h->last_qscale_diff = val;
2351 if(((unsigned)h->qscale) > max_qp){
2352 if(h->qscale<0) h->qscale+= max_qp+1;
2353 else h->qscale-= max_qp+1;
2355 h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
2356 h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
2358 h->last_qscale_diff=0;
2360 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2362 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2363 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2364 } else if (CHROMA422(h)) {
2367 for (c = 0; c < 2; c++)
2368 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2369 CHROMA_DC_BLOCK_INDEX + c,
2370 chroma422_dc_scan, 8);
2375 for( c = 0; c < 2; c++ ) {
2376 int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2377 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2378 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2379 for (i = 0; i < 4; i++) {
2380 const int index = 16 + 16 * c + 8*i8x8 + i;
2381 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2382 mb += 16<<pixel_shift;
2387 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2388 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2390 } else /* yuv420 */ {
2393 for (c = 0; c < 2; c++)
2394 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2399 for( c = 0; c < 2; c++ ) {
2400 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2401 for( i = 0; i < 4; i++ ) {
2402 const int index = 16 + 16 * c + i;
2403 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2407 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2408 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2412 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2413 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2414 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2415 h->last_qscale_diff = 0;
2418 h->cur_pic.qscale_table[mb_xy] = h->qscale;
2419 write_back_non_zero_count(h);
projects / ffmpeg / blob