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 FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * H.264 / AVC / MPEG4 part10 cabac decoding.
25 * @author Michael Niedermayer <michaelni@gmx.at>
35 #include "h264_mvpred.h"
40 #include "x86/h264_i386.h"
46 /* Cabac pre state table */
48 static const int8_t cabac_context_init_I[1024][2] =
51 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
52 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
53 { -6, 53 }, { -1, 54 }, { 7, 51 },
55 /* 11 - 23 unsused for I */
56 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
57 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
58 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
62 { 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 },
68 { 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 },
74 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
78 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
79 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
80 { 13, 41 }, { 3, 62 },
83 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
84 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
85 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
86 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
87 { -12, 115 },{ -16, 122 },
90 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
91 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
92 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
93 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
97 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
98 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
99 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
100 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
101 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
102 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
103 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
104 { 14, 62 }, { -13, 108 },{ -15, 100 },
107 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
108 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
109 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
110 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
111 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
112 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
113 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
114 { 0, 62 }, { 12, 72 },
117 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
118 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
119 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
120 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
121 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
122 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
123 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
124 { 0, 89 }, { 26, -19 }, { 22, -17 },
127 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
128 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
129 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
130 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
131 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
132 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
133 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
134 { 12, 68 }, { 2, 97 },
137 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
138 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
139 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
140 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
141 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
142 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
146 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
147 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
148 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
149 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
150 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
151 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
153 /* 276 a bit special (not used, bypass is used instead) */
157 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
158 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
159 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
160 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
161 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
162 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
163 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
164 { 9, 64 }, { -12, 104 },{ -11, 97 },
167 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
168 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
169 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
170 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
171 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
172 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
173 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
174 { 5, 64 }, { 12, 70 },
177 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
178 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
179 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
180 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
181 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
182 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
183 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
184 { -12, 109 },{ 36, -35 }, { 36, -34 },
187 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
188 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
189 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
190 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
191 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
192 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
193 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
194 { 29, 39 }, { 19, 66 },
197 { 31, 21 }, { 31, 31 }, { 25, 50 },
198 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
199 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
200 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
201 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
202 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
203 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
204 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
205 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
206 { 0, 68 }, { -9, 92 },
209 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
210 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
211 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
212 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
213 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
214 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
217 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
218 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
219 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
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 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
224 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
225 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
226 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
227 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
228 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
229 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
230 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
231 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
232 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
233 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
234 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
235 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
236 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
237 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
238 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
239 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
240 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
241 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
242 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
243 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
244 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
245 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
246 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
247 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
248 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
249 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
250 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
251 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
252 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
253 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
254 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
255 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
256 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
257 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
258 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
259 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
260 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
261 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
262 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
263 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
264 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
265 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
266 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
267 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
268 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
269 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
270 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
271 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
272 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
273 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
274 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
275 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
276 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
277 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
278 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
279 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
280 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
281 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
282 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
283 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
284 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
285 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
286 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
287 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
288 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
289 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
290 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
291 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
292 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
293 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
294 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
295 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
296 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
297 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
298 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
299 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
300 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
301 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
302 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
303 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
304 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
305 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
306 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
307 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
308 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
309 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
310 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
311 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
312 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
313 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
314 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
315 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
316 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
317 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
318 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
319 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
320 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
321 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
322 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
323 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
324 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
325 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
326 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
327 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
328 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
329 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
330 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
331 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
332 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
333 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
334 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
335 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
336 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
337 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
338 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
339 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
340 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
341 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
342 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
343 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
344 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
345 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
346 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
347 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
348 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
349 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
350 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
351 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
352 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
353 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
354 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
355 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
356 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
357 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
360 static const int8_t cabac_context_init_PB[3][1024][2] =
362 /* i_cabac_init_idc == 0 */
365 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
366 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
367 { -6, 53 }, { -1, 54 }, { 7, 51 },
370 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
371 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
372 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
376 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
377 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
378 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
379 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
382 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
383 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
384 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
385 { -3, 81 }, { 0, 88 },
388 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
389 { -7, 72 }, { 1, 58 },
392 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
393 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
394 { 13, 41 }, { 3, 62 },
397 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
398 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
399 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
400 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
401 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
402 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
403 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
404 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
405 { 0, 68 }, { -4, 69 }, { -8, 88 },
408 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
409 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
410 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
411 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
412 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
413 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
414 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
415 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
416 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
417 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
418 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
419 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
420 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
421 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
422 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
426 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
427 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
428 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
429 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
430 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
431 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
432 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
433 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
434 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
435 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
436 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
437 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
438 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
439 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
440 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
444 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
445 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
446 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
447 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
448 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
449 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
450 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
451 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
452 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
453 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
454 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
455 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
458 /* 276 a bit special (not used, bypass is used instead) */
462 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
463 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
464 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
465 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
466 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
467 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
468 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
469 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
470 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
471 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
472 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
473 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
474 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
475 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
476 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
480 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
481 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
482 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
483 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
484 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
485 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
486 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
487 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
488 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
489 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
490 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
491 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
492 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
493 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
494 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
498 { 12, 40 }, { 11, 51 }, { 14, 59 },
499 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
500 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
501 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
502 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
503 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
504 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
505 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
506 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
507 { -8, 66 }, { -8, 76 },
510 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
511 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
512 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
513 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
514 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
515 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
518 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
519 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
520 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
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 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
525 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
526 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
527 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
528 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
529 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
530 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
531 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
532 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
533 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
534 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
535 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
536 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
537 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
538 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
539 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
540 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
541 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
542 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
543 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
544 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
545 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
546 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
547 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
548 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
549 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
550 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
551 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
552 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
553 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
554 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
555 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
556 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
557 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
558 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
559 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
560 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
561 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
562 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
563 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
564 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
565 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
566 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
567 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
568 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
569 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
570 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
571 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
572 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
573 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
574 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
575 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
576 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
577 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
578 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
579 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
580 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
581 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
582 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
583 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
584 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
585 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
586 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
587 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
588 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
589 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
590 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
591 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
592 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
593 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
594 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
595 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
596 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
597 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
598 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
599 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
600 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
601 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
602 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
603 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
604 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
605 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
606 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
607 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
608 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
609 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
610 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
611 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
612 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
613 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
614 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
615 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
616 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
617 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
618 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
619 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
620 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
621 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
622 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
623 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
624 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
625 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
626 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
627 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
628 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
629 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
630 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
631 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
632 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
633 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
634 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
635 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
636 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
637 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
638 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
639 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
640 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
641 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
642 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
643 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
644 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
645 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
646 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
647 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
648 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
649 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
650 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
651 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
652 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
653 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
654 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
655 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
656 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
657 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
658 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
661 /* i_cabac_init_idc == 1 */
664 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
665 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
666 { -6, 53 }, { -1, 54 }, { 7, 51 },
669 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
670 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
671 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
675 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
676 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
677 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
678 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
681 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
682 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
683 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
684 { -7, 86 },{ -5, 95 },
687 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
688 { -5, 72 },{ 0, 61 },
691 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
692 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
693 { 13, 41 }, { 3, 62 },
696 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
697 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
698 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
699 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
700 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
701 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
702 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
703 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
704 { 0, 68 }, { -7, 74 }, { -9, 88 },
707 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
708 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
709 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
710 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
711 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
712 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
713 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
714 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
715 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
716 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
717 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
718 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
719 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
720 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
721 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
725 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
726 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
727 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
728 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
729 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
730 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
731 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
732 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
733 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
734 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
735 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
736 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
737 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
738 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
739 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
743 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
744 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
745 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
746 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
747 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
748 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
749 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
750 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
751 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
752 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
753 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
754 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
757 /* 276 a bit special (not used, bypass is used instead) */
761 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
762 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
763 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
764 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
765 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
766 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
767 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
768 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
769 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
770 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
771 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
772 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
773 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
774 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
775 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
779 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
780 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
781 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
782 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
783 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
784 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
785 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
786 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
787 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
788 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
789 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
790 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
791 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
792 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
793 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
797 { 25, 32 }, { 21, 49 }, { 21, 54 },
798 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
799 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
800 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
801 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
802 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
803 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
804 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
805 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
806 { -4, 67 }, { -7, 82 },
809 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
810 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
811 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
812 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
813 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
814 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
817 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
818 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
819 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
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 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
824 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
825 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
826 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
827 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
828 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
829 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
830 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
831 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
832 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
833 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
834 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
835 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
836 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
837 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
838 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
839 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
840 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
841 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
842 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
843 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
844 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
845 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
846 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
847 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
848 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
849 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
850 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
851 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
852 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
853 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
854 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
855 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
856 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
857 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
858 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
859 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
860 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
861 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
862 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
863 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
864 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
865 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
866 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
867 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
868 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
869 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
870 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
871 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
872 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
873 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
874 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
875 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
876 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
877 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
878 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
879 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
880 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
881 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
882 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
883 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
884 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
885 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
886 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
887 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
888 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
889 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
890 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
891 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
892 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
893 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
894 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
895 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
896 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
897 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
898 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
899 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
900 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
901 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
902 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
903 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
904 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
905 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
906 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
907 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
908 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
909 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
910 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
911 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
912 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
913 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
914 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
915 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
916 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
917 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
918 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
919 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
920 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
921 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
922 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
923 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
924 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
925 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
926 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
927 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
928 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
929 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
930 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
931 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
932 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
933 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
934 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
935 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
936 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
937 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
938 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
939 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
940 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
941 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
942 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
943 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
944 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
945 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
946 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
947 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
948 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
949 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
950 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
951 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
952 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
953 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
954 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
955 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
956 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
957 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
960 /* i_cabac_init_idc == 2 */
963 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
964 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
965 { -6, 53 }, { -1, 54 }, { 7, 51 },
968 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
969 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
970 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
974 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
975 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
976 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
977 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
980 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
981 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
982 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
983 { -3, 90 },{ -1, 101 },
986 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
987 { -7, 50 },{ 1, 60 },
990 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
991 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
992 { 13, 41 }, { 3, 62 },
995 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
996 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
997 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
998 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
999 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1000 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1001 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1002 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1003 { 3, 68 }, { -8, 71 }, { -13, 98 },
1006 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1007 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1008 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1009 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1010 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1011 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1012 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1013 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1014 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1015 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1016 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1017 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1018 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1019 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1020 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1024 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1025 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1026 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1027 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1028 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1029 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1030 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1031 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1032 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1033 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1034 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1035 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1036 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1037 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1038 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1042 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1043 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1044 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1045 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1046 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1047 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1048 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1049 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1050 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1051 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1052 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1053 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1056 /* 276 a bit special (not used, bypass is used instead) */
1060 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1061 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1062 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1063 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1064 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1065 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1066 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1067 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1068 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1069 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1070 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1071 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1072 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1073 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1074 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1078 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1079 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1080 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1081 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1082 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1083 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1084 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1085 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1086 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1087 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1088 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1089 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1090 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1091 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1092 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1096 { 21, 33 }, { 19, 50 }, { 17, 61 },
1097 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1098 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1099 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1100 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1101 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1102 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1103 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1104 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1105 { -6, 68 }, { -10, 79 },
1108 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1109 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1110 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1111 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1112 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1113 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1116 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1117 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1118 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
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 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1123 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1124 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1125 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1126 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1127 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1128 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1129 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1130 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1131 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1132 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1133 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1134 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1135 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1136 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1137 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1138 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1139 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1140 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1141 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1142 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1143 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1144 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1145 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1146 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1147 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1148 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1149 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1150 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1151 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1152 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1153 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1154 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1155 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1156 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1157 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1158 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1159 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1160 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1161 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1162 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1163 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1164 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1165 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1166 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1167 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1168 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1169 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1170 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1171 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1172 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1173 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1174 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1175 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1176 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1177 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1178 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1179 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1180 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1181 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1182 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1183 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1184 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1185 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1186 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1187 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1188 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1189 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1190 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1191 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1192 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1193 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1194 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1195 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1196 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1197 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1198 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1199 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1200 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1201 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1202 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1203 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1204 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1205 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1206 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1207 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1208 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1209 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1210 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1211 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1212 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1213 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1214 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1215 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1216 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1217 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1218 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1219 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1220 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1221 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1222 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1223 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1224 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1225 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1226 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1227 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1228 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1229 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1230 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1231 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1232 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1233 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1234 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1235 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1236 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1237 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1238 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1239 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1240 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1241 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1242 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1243 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1244 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1245 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1246 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1247 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1248 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1249 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1250 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1251 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1252 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1253 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1254 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1255 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1256 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1260 void ff_h264_init_cabac_states(H264Context *h) {
1261 MpegEncContext * const s = &h->s;
1263 const int8_t (*tab)[2];
1264 const int slice_qp = av_clip(s->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 MpegEncContext * const s = &h->s;
1283 const long mbb_xy = h->mb_xy - 2L*s->mb_stride;
1285 unsigned long ctx = 0;
1287 ctx += h->mb_field_decoding_flag & !!s->mb_x; //for FMO:(s->current_picture.f.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1288 ctx += (s->current_picture.f.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1290 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1293 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1294 uint8_t *state= &h->cabac_state[ctx_base];
1299 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1301 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1303 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1304 return 0; /* I4x4 */
1307 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1308 return 0; /* I4x4 */
1311 if( get_cabac_terminate( &h->cabac ) )
1312 return 25; /* PCM */
1314 mb_type = 1; /* I16x16 */
1315 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1316 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1317 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1318 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1319 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1323 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1324 MpegEncContext * const s = &h->s;
1328 if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
1329 int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
1332 && h->slice_table[mba_xy] == h->slice_num
1333 && MB_FIELD == !!IS_INTERLACED( s->current_picture.f.mb_type[mba_xy] ) )
1334 mba_xy += s->mb_stride;
1336 mbb_xy = mb_xy - s->mb_stride;
1338 && h->slice_table[mbb_xy] == h->slice_num
1339 && IS_INTERLACED( s->current_picture.f.mb_type[mbb_xy] ) )
1340 mbb_xy -= s->mb_stride;
1342 mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
1344 int mb_xy = h->mb_xy;
1346 mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
1349 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mba_xy] ))
1351 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.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->s.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 DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8)[63] = {
1562 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1563 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1564 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
1565 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
1568 static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff, int is_dc ) {
1569 static const int significant_coeff_flag_offset[2][14] = {
1570 { 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 },
1571 { 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 }
1573 static const int last_coeff_flag_offset[2][14] = {
1574 { 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 },
1575 { 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 }
1577 static const int coeff_abs_level_m1_offset[14] = {
1578 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
1580 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1581 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1582 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1583 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1584 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1585 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1586 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1587 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1588 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1590 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1591 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1592 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1593 * map node ctx => cabac ctx for level=1 */
1594 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1595 /* map node ctx => cabac ctx for level>1 */
1596 static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 };
1597 static const uint8_t coeff_abs_level_transition[2][8] = {
1598 /* update node ctx after decoding a level=1 */
1599 { 1, 2, 3, 3, 4, 5, 6, 7 },
1600 /* update node ctx after decoding a level>1 */
1601 { 4, 4, 4, 4, 5, 6, 7, 7 }
1607 int coeff_count = 0;
1610 uint8_t *significant_coeff_ctx_base;
1611 uint8_t *last_coeff_ctx_base;
1612 uint8_t *abs_level_m1_ctx_base;
1615 #define CABAC_ON_STACK
1617 #ifdef CABAC_ON_STACK
1620 cc.range = h->cabac.range;
1621 cc.low = h->cabac.low;
1622 cc.bytestream= h->cabac.bytestream;
1624 #define CC &h->cabac
1627 significant_coeff_ctx_base = h->cabac_state
1628 + significant_coeff_flag_offset[MB_FIELD][cat];
1629 last_coeff_ctx_base = h->cabac_state
1630 + last_coeff_flag_offset[MB_FIELD][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];
1651 #if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)
1652 coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index,
1653 last_coeff_ctx_base, sig_off);
1655 if (is_dc && max_coeff == 8) { // dc 422
1656 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1658 coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index,
1659 last_coeff_ctx_base-significant_coeff_ctx_base);
1662 DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
1664 if (is_dc && max_coeff == 8) { // 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;
1689 #define STORE_BLOCK(type) \
1691 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1693 int j= scantable[index[--coeff_count]]; \
1695 if( get_cabac( CC, ctx ) == 0 ) { \
1696 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1698 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1700 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1703 int coeff_abs = 2; \
1704 if (is_dc && max_coeff == 8) \
1705 node_ctx = FFMIN(node_ctx, 6); \
1706 ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1707 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1709 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1713 if( coeff_abs >= 15 ) { \
1715 while( get_cabac_bypass( CC ) ) { \
1721 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1727 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1729 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1732 } while ( coeff_count );
1734 if (h->pixel_shift) {
1735 STORE_BLOCK(int32_t)
1737 STORE_BLOCK(int16_t)
1739 #ifdef CABAC_ON_STACK
1740 h->cabac.range = cc.range ;
1741 h->cabac.low = cc.low ;
1742 h->cabac.bytestream= cc.bytestream;
1747 static void decode_cabac_residual_dc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
1748 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1);
1751 static void decode_cabac_residual_nondc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
1752 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0);
1755 /* cat: 0-> DC 16x16 n = 0
1756 * 1-> AC 16x16 n = luma4x4idx
1757 * 2-> Luma4x4 n = luma4x4idx
1758 * 3-> DC Chroma n = iCbCr
1759 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1760 * 5-> Luma8x8 n = 4 * luma8x8idx */
1762 /* Partially inline the CABAC residual decode: inline the coded block flag.
1763 * This has very little impact on binary size and improves performance
1764 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1765 * as well as because most blocks have zero CBFs. */
1767 static av_always_inline void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
1768 /* read coded block flag */
1769 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1770 h->non_zero_count_cache[scan8[n]] = 0;
1773 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1776 static av_always_inline void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {
1777 /* read coded block flag */
1778 if( (cat != 5 || CHROMA444) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1779 if( max_coeff == 64 ) {
1780 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1782 h->non_zero_count_cache[scan8[n]] = 0;
1786 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1789 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 )
1791 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1792 const uint32_t *qmul;
1794 MpegEncContext * const s = &h->s;
1795 int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
1796 if( IS_INTRA16x16( mb_type ) ) {
1797 //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
1798 AV_ZERO128(h->mb_luma_dc[p]+0);
1799 AV_ZERO128(h->mb_luma_dc[p]+8);
1800 AV_ZERO128(h->mb_luma_dc[p]+16);
1801 AV_ZERO128(h->mb_luma_dc[p]+24);
1802 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1805 qmul = h->dequant4_coeff[p][qscale];
1806 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1807 const int index = 16*p + i4x4;
1808 //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", index );
1809 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1812 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1815 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1816 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1817 if( cbp & (1<<i8x8) ) {
1818 if( IS_8x8DCT(mb_type) ) {
1819 const int index = 16*p + 4*i8x8;
1820 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1821 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1823 qmul = h->dequant4_coeff[cqm][qscale];
1824 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1825 const int index = 16*p + 4*i8x8 + i4x4;
1826 //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
1828 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1829 //STOP_TIMER("decode_residual")
1833 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1840 * decodes a macroblock
1841 * @return 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
1843 int ff_h264_decode_mb_cabac(H264Context *h) {
1844 MpegEncContext * const s = &h->s;
1846 int mb_type, partition_count, cbp = 0;
1847 int dct8x8_allowed= h->pps.transform_8x8_mode;
1848 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1849 const int pixel_shift = h->pixel_shift;
1851 mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
1853 tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
1854 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1856 /* a skipped mb needs the aff flag from the following mb */
1857 if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
1858 skip = h->next_mb_skipped;
1860 skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
1861 /* read skip flags */
1863 if( FRAME_MBAFF && (s->mb_y&1)==0 ){
1864 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_SKIP;
1865 h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
1866 if(!h->next_mb_skipped)
1867 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1872 h->cbp_table[mb_xy] = 0;
1873 h->chroma_pred_mode_table[mb_xy] = 0;
1874 h->last_qscale_diff = 0;
1881 if( (s->mb_y&1) == 0 )
1883 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1886 h->prev_mb_skipped = 0;
1888 fill_decode_neighbors(h, -(MB_FIELD));
1890 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1892 assert(h->slice_type_nos == AV_PICTURE_TYPE_B);
1894 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1896 if( !IS_DIRECT( h->top_type-1 ) )
1899 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1900 mb_type= 0; /* B_Direct_16x16 */
1901 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1902 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1905 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1906 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1907 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1908 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1910 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1911 }else if( bits == 13 ){
1912 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1913 goto decode_intra_mb;
1914 }else if( bits == 14 ){
1915 mb_type= 11; /* B_L1_L0_8x16 */
1916 }else if( bits == 15 ){
1917 mb_type= 22; /* B_8x8 */
1919 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1920 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1923 partition_count= b_mb_type_info[mb_type].partition_count;
1924 mb_type= b_mb_type_info[mb_type].type;
1925 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1926 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1928 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1929 /* P_L0_D16x16, P_8x8 */
1930 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1932 /* P_L0_D8x16, P_L0_D16x8 */
1933 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1935 partition_count= p_mb_type_info[mb_type].partition_count;
1936 mb_type= p_mb_type_info[mb_type].type;
1938 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1939 goto decode_intra_mb;
1942 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1943 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1945 assert(h->slice_type_nos == AV_PICTURE_TYPE_I);
1947 partition_count = 0;
1948 cbp= i_mb_type_info[mb_type].cbp;
1949 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1950 mb_type= i_mb_type_info[mb_type].type;
1953 mb_type |= MB_TYPE_INTERLACED;
1955 h->slice_table[ mb_xy ]= h->slice_num;
1957 if(IS_INTRA_PCM(mb_type)) {
1958 static const uint16_t mb_sizes[4] = {256,384,512,768};
1959 const int mb_size = mb_sizes[h->sps.chroma_format_idc]*h->sps.bit_depth_luma >> 3;
1962 // We assume these blocks are very rare so we do not optimize it.
1963 // FIXME The two following lines get the bitstream position in the cabac
1964 // decode, I think it should be done by a function in cabac.h (or cabac.c).
1965 ptr= h->cabac.bytestream;
1966 if(h->cabac.low&0x1) ptr--;
1968 if(h->cabac.low&0x1FF) ptr--;
1971 // The pixels are stored in the same order as levels in h->mb array.
1972 memcpy(h->mb, ptr, mb_size); ptr+=mb_size;
1974 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
1976 // All blocks are present
1977 h->cbp_table[mb_xy] = 0xf7ef;
1978 h->chroma_pred_mode_table[mb_xy] = 0;
1979 // In deblocking, the quantizer is 0
1980 s->current_picture.f.qscale_table[mb_xy] = 0;
1981 // All coeffs are present
1982 memset(h->non_zero_count[mb_xy], 16, 48);
1983 s->current_picture.f.mb_type[mb_xy] = mb_type;
1984 h->last_qscale_diff = 0;
1989 h->ref_count[0] <<= 1;
1990 h->ref_count[1] <<= 1;
1993 fill_decode_caches(h, mb_type);
1995 if( IS_INTRA( mb_type ) ) {
1997 if( IS_INTRA4x4( mb_type ) ) {
1998 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
1999 mb_type |= MB_TYPE_8x8DCT;
2000 for( i = 0; i < 16; i+=4 ) {
2001 int pred = pred_intra_mode( h, i );
2002 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2003 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2006 for( i = 0; i < 16; i++ ) {
2007 int pred = pred_intra_mode( h, i );
2008 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2010 //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
2013 write_back_intra_pred_mode(h);
2014 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2016 h->intra16x16_pred_mode= ff_h264_check_intra16x16_pred_mode( h, h->intra16x16_pred_mode );
2017 if( h->intra16x16_pred_mode < 0 ) return -1;
2020 h->chroma_pred_mode_table[mb_xy] =
2021 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2023 pred_mode= ff_h264_check_intra_chroma_pred_mode( h, pred_mode );
2024 if( pred_mode < 0 ) return -1;
2025 h->chroma_pred_mode= pred_mode;
2027 h->chroma_pred_mode= DC_128_PRED8x8;
2029 } else if( partition_count == 4 ) {
2030 int i, j, sub_partition_count[4], list, ref[2][4];
2032 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2033 for( i = 0; i < 4; i++ ) {
2034 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2035 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2036 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2038 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2039 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2040 ff_h264_pred_direct_motion(h, &mb_type);
2041 h->ref_cache[0][scan8[4]] =
2042 h->ref_cache[1][scan8[4]] =
2043 h->ref_cache[0][scan8[12]] =
2044 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2045 for( i = 0; i < 4; i++ )
2046 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2049 for( i = 0; i < 4; i++ ) {
2050 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2051 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2052 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2056 for( list = 0; list < h->list_count; list++ ) {
2057 for( i = 0; i < 4; i++ ) {
2058 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2059 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2060 if( h->ref_count[list] > 1 ){
2061 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2062 if(ref[list][i] >= (unsigned)h->ref_count[list]){
2063 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);
2071 h->ref_cache[list][ scan8[4*i]+1 ]=
2072 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2077 dct8x8_allowed = get_dct8x8_allowed(h);
2079 for(list=0; list<h->list_count; list++){
2081 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2082 if(IS_DIRECT(h->sub_mb_type[i])){
2083 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2087 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2088 const int sub_mb_type= h->sub_mb_type[i];
2089 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2090 for(j=0; j<sub_partition_count[i]; j++){
2093 const int index= 4*i + block_width*j;
2094 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2095 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2096 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2097 DECODE_CABAC_MB_MVD( h, list, index)
2098 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2100 if(IS_SUB_8X8(sub_mb_type)){
2102 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2104 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2107 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2109 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2110 }else if(IS_SUB_8X4(sub_mb_type)){
2111 mv_cache[ 1 ][0]= mx;
2112 mv_cache[ 1 ][1]= my;
2114 mvd_cache[ 1 ][0]= mpx;
2115 mvd_cache[ 1 ][1]= mpy;
2116 }else if(IS_SUB_4X8(sub_mb_type)){
2117 mv_cache[ 8 ][0]= mx;
2118 mv_cache[ 8 ][1]= my;
2120 mvd_cache[ 8 ][0]= mpx;
2121 mvd_cache[ 8 ][1]= mpy;
2123 mv_cache[ 0 ][0]= mx;
2124 mv_cache[ 0 ][1]= my;
2126 mvd_cache[ 0 ][0]= mpx;
2127 mvd_cache[ 0 ][1]= mpy;
2130 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2131 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2135 } else if( IS_DIRECT(mb_type) ) {
2136 ff_h264_pred_direct_motion(h, &mb_type);
2137 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2138 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2139 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2142 if(IS_16X16(mb_type)){
2143 for(list=0; list<h->list_count; list++){
2144 if(IS_DIR(mb_type, 0, list)){
2146 if(h->ref_count[list] > 1){
2147 ref= decode_cabac_mb_ref(h, list, 0);
2148 if(ref >= (unsigned)h->ref_count[list]){
2149 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
2154 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2157 for(list=0; list<h->list_count; list++){
2158 if(IS_DIR(mb_type, 0, list)){
2160 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2161 DECODE_CABAC_MB_MVD( h, list, 0)
2162 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2164 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2165 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2169 else if(IS_16X8(mb_type)){
2170 for(list=0; list<h->list_count; list++){
2172 if(IS_DIR(mb_type, i, list)){
2174 if(h->ref_count[list] > 1){
2175 ref= decode_cabac_mb_ref( h, list, 8*i );
2176 if(ref >= (unsigned)h->ref_count[list]){
2177 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
2182 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2184 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2187 for(list=0; list<h->list_count; list++){
2189 if(IS_DIR(mb_type, i, list)){
2191 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2192 DECODE_CABAC_MB_MVD( h, list, 8*i)
2193 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2195 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2196 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2198 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2199 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2204 assert(IS_8X16(mb_type));
2205 for(list=0; list<h->list_count; list++){
2207 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2209 if(h->ref_count[list] > 1){
2210 ref= decode_cabac_mb_ref( h, list, 4*i );
2211 if(ref >= (unsigned)h->ref_count[list]){
2212 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
2217 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2219 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2222 for(list=0; list<h->list_count; list++){
2224 if(IS_DIR(mb_type, i, list)){
2226 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2227 DECODE_CABAC_MB_MVD( h, list, 4*i)
2229 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2230 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2231 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2233 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2234 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2241 if( IS_INTER( mb_type ) ) {
2242 h->chroma_pred_mode_table[mb_xy] = 0;
2243 write_back_motion( h, mb_type );
2246 if( !IS_INTRA16x16( mb_type ) ) {
2247 cbp = decode_cabac_mb_cbp_luma( h );
2249 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2252 h->cbp_table[mb_xy] = h->cbp = cbp;
2254 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2255 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2258 /* It would be better to do this in fill_decode_caches, but we don't know
2259 * the transform mode of the current macroblock there. */
2260 if (CHROMA444 && IS_8x8DCT(mb_type)){
2262 uint8_t *nnz_cache = h->non_zero_count_cache;
2263 for (i = 0; i < 2; i++){
2264 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2265 nnz_cache[3+8* 1 + 2*8*i]=
2266 nnz_cache[3+8* 2 + 2*8*i]=
2267 nnz_cache[3+8* 6 + 2*8*i]=
2268 nnz_cache[3+8* 7 + 2*8*i]=
2269 nnz_cache[3+8*11 + 2*8*i]=
2270 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2273 if (h->top_type && !IS_8x8DCT(h->top_type)){
2274 uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2275 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2276 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2277 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2280 s->current_picture.f.mb_type[mb_xy] = mb_type;
2282 if( cbp || IS_INTRA16x16( mb_type ) ) {
2283 const uint8_t *scan, *scan8x8;
2284 const uint32_t *qmul;
2286 if(IS_INTERLACED(mb_type)){
2287 scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2288 scan= s->qscale ? h->field_scan : h->field_scan_q0;
2290 scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2291 scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2294 // decode_cabac_mb_dqp
2295 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2298 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2300 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2303 if(val > 2*max_qp){ //prevent infinite loop
2304 av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
2312 val= -((val + 1)>>1);
2313 h->last_qscale_diff = val;
2315 if(((unsigned)s->qscale) > max_qp){
2316 if(s->qscale<0) s->qscale+= max_qp+1;
2317 else s->qscale-= max_qp+1;
2319 h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
2320 h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
2322 h->last_qscale_diff=0;
2324 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2326 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2327 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2329 const int num_c8x8 = h->sps.chroma_format_idc;
2333 for( c = 0; c < 2; c++ ) {
2334 //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
2335 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2336 CHROMA_DC_BLOCK_INDEX+c,
2337 CHROMA422 ? chroma422_dc_scan : chroma_dc_scan,
2344 for( c = 0; c < 2; c++ ) {
2345 DCTELEM *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2346 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2347 for (i8x8 = 0; i8x8 < num_c8x8; i8x8++) {
2348 for (i = 0; i < 4; i++) {
2349 const int index = 16 + 16 * c + 8*i8x8 + i;
2350 //av_log(s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16);
2351 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2352 mb += 16<<pixel_shift;
2357 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2358 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2362 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2363 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2364 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2365 h->last_qscale_diff = 0;
2368 s->current_picture.f.qscale_table[mb_xy] = s->qscale;
2369 write_back_non_zero_count(h);
2372 h->ref_count[0] >>= 1;
2373 h->ref_count[1] >>= 1;
projects / ffmpeg / blob