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>
29 #define UNCHECKED_BITSTREAM_READER 1
33 #include "cabac_functions.h"
39 #include "h264_mvpred.h"
41 #include "libavutil/avassert.h"
44 #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) {
1262 MpegEncContext * const s = &h->s;
1264 const int8_t (*tab)[2];
1265 const int slice_qp = av_clip(s->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1267 if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
1268 else tab = cabac_context_init_PB[h->cabac_init_idc];
1270 /* calculate pre-state */
1271 for( i= 0; i < 1024; i++ ) {
1272 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1278 h->cabac_state[i] = pre;
1282 static int decode_cabac_field_decoding_flag(H264Context *h) {
1283 MpegEncContext * const s = &h->s;
1284 const long mbb_xy = h->mb_xy - 2L*s->mb_stride;
1286 unsigned long ctx = 0;
1288 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);
1289 ctx += (s->current_picture.f.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1291 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1294 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1295 uint8_t *state= &h->cabac_state[ctx_base];
1300 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1302 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1304 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1305 return 0; /* I4x4 */
1308 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1309 return 0; /* I4x4 */
1312 if( get_cabac_terminate( &h->cabac ) )
1313 return 25; /* PCM */
1315 mb_type = 1; /* I16x16 */
1316 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1317 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1318 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1319 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1320 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1324 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1325 MpegEncContext * const s = &h->s;
1329 if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
1330 int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
1333 && h->slice_table[mba_xy] == h->slice_num
1334 && MB_FIELD == !!IS_INTERLACED( s->current_picture.f.mb_type[mba_xy] ) )
1335 mba_xy += s->mb_stride;
1337 mbb_xy = mb_xy - s->mb_stride;
1339 && h->slice_table[mbb_xy] == h->slice_num
1340 && IS_INTERLACED( s->current_picture.f.mb_type[mbb_xy] ) )
1341 mbb_xy -= s->mb_stride;
1343 mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
1345 int mb_xy = h->mb_xy;
1347 mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);
1350 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mba_xy] ))
1352 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mbb_xy] ))
1355 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1357 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1360 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1363 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1366 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1367 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1368 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1370 return mode + ( mode >= pred_mode );
1373 static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1374 const int mba_xy = h->left_mb_xy[0];
1375 const int mbb_xy = h->top_mb_xy;
1379 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1380 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1383 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1386 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1389 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1391 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1397 static int decode_cabac_mb_cbp_luma( H264Context *h) {
1398 int cbp_b, cbp_a, ctx, cbp = 0;
1400 cbp_a = h->left_cbp;
1403 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1404 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1405 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1406 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1407 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1408 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1409 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1410 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1413 static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1417 cbp_a = (h->left_cbp>>4)&0x03;
1418 cbp_b = (h-> top_cbp>>4)&0x03;
1421 if( cbp_a > 0 ) ctx++;
1422 if( cbp_b > 0 ) ctx += 2;
1423 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1427 if( cbp_a == 2 ) ctx++;
1428 if( cbp_b == 2 ) ctx += 2;
1429 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1432 static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1433 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1435 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1437 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1441 static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1443 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1444 return 0; /* B_Direct_8x8 */
1445 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1446 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1448 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1449 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1450 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1453 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1454 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1458 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1459 int refa = h->ref_cache[list][scan8[n] - 1];
1460 int refb = h->ref_cache[list][scan8[n] - 8];
1464 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1465 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1467 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1476 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1479 if(ref >= 32 /*h->ref_list[list]*/){
1486 static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1489 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1490 // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1497 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1505 while( get_cabac_bypass( &h->cabac ) ) {
1509 av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1514 mvd += get_cabac_bypass( &h->cabac )<<k;
1516 *mvda=mvd < 70 ? mvd : 70;
1519 return get_cabac_bypass_sign( &h->cabac, -mvd );
1522 #define DECODE_CABAC_MB_MVD( h, list, n )\
1524 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1525 h->mvd_cache[list][scan8[n] - 8][0];\
1526 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1527 h->mvd_cache[list][scan8[n] - 8][1];\
1529 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1530 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1533 static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1536 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1540 idx -= CHROMA_DC_BLOCK_INDEX;
1541 nza = (h->left_cbp>>(6+idx))&0x01;
1542 nzb = (h-> top_cbp>>(6+idx))&0x01;
1544 idx -= LUMA_DC_BLOCK_INDEX;
1545 nza = h->left_cbp&(0x100<<idx);
1546 nzb = h-> top_cbp&(0x100<<idx);
1549 nza = h->non_zero_count_cache[scan8[idx] - 1];
1550 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1559 return base_ctx[cat] + ctx;
1562 static av_always_inline void
1563 decode_cabac_residual_internal(H264Context *h, DCTELEM *block,
1564 int cat, int n, const uint8_t *scantable,
1565 const uint32_t *qmul, int max_coeff,
1566 int is_dc, int chroma422)
1568 static const int significant_coeff_flag_offset[2][14] = {
1569 { 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 },
1570 { 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 }
1572 static const int last_coeff_flag_offset[2][14] = {
1573 { 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 },
1574 { 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 }
1576 static const int coeff_abs_level_m1_offset[14] = {
1577 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
1579 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1580 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1581 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1582 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1583 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1584 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1585 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1586 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1587 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1589 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1590 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1591 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1592 * map node ctx => cabac ctx for level=1 */
1593 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1594 /* map node ctx => cabac ctx for level>1 */
1595 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1596 { 5, 5, 5, 5, 6, 7, 8, 9 },
1597 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1599 static const uint8_t coeff_abs_level_transition[2][8] = {
1600 /* update node ctx after decoding a level=1 */
1601 { 1, 2, 3, 3, 4, 5, 6, 7 },
1602 /* update node ctx after decoding a level>1 */
1603 { 4, 4, 4, 4, 5, 6, 7, 7 }
1609 int coeff_count = 0;
1612 uint8_t *significant_coeff_ctx_base;
1613 uint8_t *last_coeff_ctx_base;
1614 uint8_t *abs_level_m1_ctx_base;
1617 #define CABAC_ON_STACK
1619 #ifdef CABAC_ON_STACK
1622 cc.range = h->cabac.range;
1623 cc.low = h->cabac.low;
1624 cc.bytestream= h->cabac.bytestream;
1626 #define CC &h->cabac
1629 significant_coeff_ctx_base = h->cabac_state
1630 + significant_coeff_flag_offset[MB_FIELD][cat];
1631 last_coeff_ctx_base = h->cabac_state
1632 + last_coeff_flag_offset[MB_FIELD][cat];
1633 abs_level_m1_ctx_base = h->cabac_state
1634 + coeff_abs_level_m1_offset[cat];
1636 if( !is_dc && max_coeff == 64 ) {
1637 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1638 for(last= 0; last < coefs; last++) { \
1639 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1640 if( get_cabac( CC, sig_ctx )) { \
1641 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1642 index[coeff_count++] = last; \
1643 if( get_cabac( CC, last_ctx ) ) { \
1649 if( last == max_coeff -1 ) {\
1650 index[coeff_count++] = last;\
1652 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
1653 #ifdef decode_significance
1654 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1655 last_coeff_ctx_base, sig_off);
1657 if (is_dc && chroma422) { // dc 422
1658 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1660 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1661 last_coeff_ctx_base-significant_coeff_ctx_base);
1664 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1666 if (is_dc && chroma422) { // dc 422
1667 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1669 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1673 av_assert2(coeff_count > 0);
1677 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1679 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1680 h->non_zero_count_cache[scan8[n]] = coeff_count;
1682 if( max_coeff == 64 )
1683 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1685 av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1686 h->non_zero_count_cache[scan8[n]] = coeff_count;
1691 #define STORE_BLOCK(type) \
1693 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1695 int j= scantable[index[--coeff_count]]; \
1697 if( get_cabac( CC, ctx ) == 0 ) { \
1698 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1700 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1702 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1705 int coeff_abs = 2; \
1706 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][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, 0);
1751 static void decode_cabac_residual_dc_internal_422(H264Context *h, DCTELEM *block,
1752 int cat, int n, const uint8_t *scantable,
1755 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1758 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 ) {
1759 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1762 /* cat: 0-> DC 16x16 n = 0
1763 * 1-> AC 16x16 n = luma4x4idx
1764 * 2-> Luma4x4 n = luma4x4idx
1765 * 3-> DC Chroma n = iCbCr
1766 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1767 * 5-> Luma8x8 n = 4 * luma8x8idx */
1769 /* Partially inline the CABAC residual decode: inline the coded block flag.
1770 * This has very little impact on binary size and improves performance
1771 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1772 * as well as because most blocks have zero CBFs. */
1774 static av_always_inline void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {
1775 /* read coded block flag */
1776 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1777 h->non_zero_count_cache[scan8[n]] = 0;
1780 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1783 static av_always_inline void
1784 decode_cabac_residual_dc_422(H264Context *h, DCTELEM *block,
1785 int cat, int n, const uint8_t *scantable,
1788 /* read coded block flag */
1789 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1790 h->non_zero_count_cache[scan8[n]] = 0;
1793 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1796 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 ) {
1797 /* read coded block flag */
1798 if( (cat != 5 || CHROMA444) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1799 if( max_coeff == 64 ) {
1800 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1802 h->non_zero_count_cache[scan8[n]] = 0;
1806 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1809 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 )
1811 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1812 const uint32_t *qmul;
1814 MpegEncContext * const s = &h->s;
1815 int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];
1816 if( IS_INTRA16x16( mb_type ) ) {
1817 AV_ZERO128(h->mb_luma_dc[p]+0);
1818 AV_ZERO128(h->mb_luma_dc[p]+8);
1819 AV_ZERO128(h->mb_luma_dc[p]+16);
1820 AV_ZERO128(h->mb_luma_dc[p]+24);
1821 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1824 qmul = h->dequant4_coeff[p][qscale];
1825 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1826 const int index = 16*p + i4x4;
1827 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1830 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1833 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1834 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1835 if( cbp & (1<<i8x8) ) {
1836 if( IS_8x8DCT(mb_type) ) {
1837 const int index = 16*p + 4*i8x8;
1838 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1839 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1841 qmul = h->dequant4_coeff[cqm][qscale];
1842 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1843 const int index = 16*p + 4*i8x8 + i4x4;
1845 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1846 //STOP_TIMER("decode_residual")
1850 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1857 * Decode a macroblock.
1858 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1860 int ff_h264_decode_mb_cabac(H264Context *h) {
1861 MpegEncContext * const s = &h->s;
1863 int mb_type, partition_count, cbp = 0;
1864 int dct8x8_allowed= h->pps.transform_8x8_mode;
1865 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1866 const int pixel_shift = h->pixel_shift;
1867 unsigned local_ref_count[2];
1869 mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
1871 tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
1872 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1874 /* a skipped mb needs the aff flag from the following mb */
1875 if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
1876 skip = h->next_mb_skipped;
1878 skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
1879 /* read skip flags */
1881 if( FRAME_MBAFF && (s->mb_y&1)==0 ){
1882 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_SKIP;
1883 h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
1884 if(!h->next_mb_skipped)
1885 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1890 h->cbp_table[mb_xy] = 0;
1891 h->chroma_pred_mode_table[mb_xy] = 0;
1892 h->last_qscale_diff = 0;
1899 if( (s->mb_y&1) == 0 )
1901 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1904 h->prev_mb_skipped = 0;
1906 fill_decode_neighbors(h, -(MB_FIELD));
1908 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1910 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_B);
1912 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1914 if( !IS_DIRECT( h->top_type-1 ) )
1917 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1918 mb_type= 0; /* B_Direct_16x16 */
1919 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1920 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1923 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1924 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1925 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1926 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1928 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1929 }else if( bits == 13 ){
1930 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1931 goto decode_intra_mb;
1932 }else if( bits == 14 ){
1933 mb_type= 11; /* B_L1_L0_8x16 */
1934 }else if( bits == 15 ){
1935 mb_type= 22; /* B_8x8 */
1937 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1938 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1941 partition_count= b_mb_type_info[mb_type].partition_count;
1942 mb_type= b_mb_type_info[mb_type].type;
1943 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1944 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1946 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1947 /* P_L0_D16x16, P_8x8 */
1948 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1950 /* P_L0_D8x16, P_L0_D16x8 */
1951 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1953 partition_count= p_mb_type_info[mb_type].partition_count;
1954 mb_type= p_mb_type_info[mb_type].type;
1956 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1957 goto decode_intra_mb;
1960 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1961 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1963 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_I);
1965 partition_count = 0;
1966 cbp= i_mb_type_info[mb_type].cbp;
1967 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1968 mb_type= i_mb_type_info[mb_type].type;
1971 mb_type |= MB_TYPE_INTERLACED;
1973 h->slice_table[ mb_xy ]= h->slice_num;
1975 if(IS_INTRA_PCM(mb_type)) {
1976 const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
1977 h->sps.bit_depth_luma >> 3;
1980 // We assume these blocks are very rare so we do not optimize it.
1981 // FIXME The two following lines get the bitstream position in the cabac
1982 // decode, I think it should be done by a function in cabac.h (or cabac.c).
1983 ptr= h->cabac.bytestream;
1984 if(h->cabac.low&0x1) ptr--;
1986 if(h->cabac.low&0x1FF) ptr--;
1989 // The pixels are stored in the same order as levels in h->mb array.
1990 if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
1992 memcpy(h->mb, ptr, mb_size); ptr+=mb_size;
1994 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
1996 // All blocks are present
1997 h->cbp_table[mb_xy] = 0xf7ef;
1998 h->chroma_pred_mode_table[mb_xy] = 0;
1999 // In deblocking, the quantizer is 0
2000 s->current_picture.f.qscale_table[mb_xy] = 0;
2001 // All coeffs are present
2002 memset(h->non_zero_count[mb_xy], 16, 48);
2003 s->current_picture.f.mb_type[mb_xy] = mb_type;
2004 h->last_qscale_diff = 0;
2008 local_ref_count[0] = h->ref_count[0] << MB_MBAFF;
2009 local_ref_count[1] = h->ref_count[1] << MB_MBAFF;
2011 fill_decode_caches(h, mb_type);
2013 if( IS_INTRA( mb_type ) ) {
2015 if( IS_INTRA4x4( mb_type ) ) {
2016 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2017 mb_type |= MB_TYPE_8x8DCT;
2018 for( i = 0; i < 16; i+=4 ) {
2019 int pred = pred_intra_mode( h, i );
2020 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2021 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2024 for( i = 0; i < 16; i++ ) {
2025 int pred = pred_intra_mode( h, i );
2026 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2028 av_dlog(s->avctx, "i4x4 pred=%d mode=%d\n", pred,
2029 h->intra4x4_pred_mode_cache[scan8[i]]);
2032 write_back_intra_pred_mode(h);
2033 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2035 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );
2036 if( h->intra16x16_pred_mode < 0 ) return -1;
2039 h->chroma_pred_mode_table[mb_xy] =
2040 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2042 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );
2043 if( pred_mode < 0 ) return -1;
2044 h->chroma_pred_mode= pred_mode;
2046 h->chroma_pred_mode= DC_128_PRED8x8;
2048 } else if( partition_count == 4 ) {
2049 int i, j, sub_partition_count[4], list, ref[2][4];
2051 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2052 for( i = 0; i < 4; i++ ) {
2053 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2054 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2055 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2057 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2058 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2059 ff_h264_pred_direct_motion(h, &mb_type);
2060 h->ref_cache[0][scan8[4]] =
2061 h->ref_cache[1][scan8[4]] =
2062 h->ref_cache[0][scan8[12]] =
2063 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2064 for( i = 0; i < 4; i++ )
2065 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2068 for( i = 0; i < 4; i++ ) {
2069 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2070 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2071 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2075 for( list = 0; list < h->list_count; list++ ) {
2076 for( i = 0; i < 4; i++ ) {
2077 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2078 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2079 if (local_ref_count[list] > 1) {
2080 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2081 if (ref[list][i] >= (unsigned)local_ref_count[list]) {
2082 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], local_ref_count[list]);
2090 h->ref_cache[list][ scan8[4*i]+1 ]=
2091 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2096 dct8x8_allowed = get_dct8x8_allowed(h);
2098 for(list=0; list<h->list_count; list++){
2100 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2101 if(IS_DIRECT(h->sub_mb_type[i])){
2102 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2106 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2107 const int sub_mb_type= h->sub_mb_type[i];
2108 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2109 for(j=0; j<sub_partition_count[i]; j++){
2112 const int index= 4*i + block_width*j;
2113 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2114 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2115 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2116 DECODE_CABAC_MB_MVD( h, list, index)
2117 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2119 if(IS_SUB_8X8(sub_mb_type)){
2121 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2123 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2126 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2128 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2129 }else if(IS_SUB_8X4(sub_mb_type)){
2130 mv_cache[ 1 ][0]= mx;
2131 mv_cache[ 1 ][1]= my;
2133 mvd_cache[ 1 ][0]= mpx;
2134 mvd_cache[ 1 ][1]= mpy;
2135 }else if(IS_SUB_4X8(sub_mb_type)){
2136 mv_cache[ 8 ][0]= mx;
2137 mv_cache[ 8 ][1]= my;
2139 mvd_cache[ 8 ][0]= mpx;
2140 mvd_cache[ 8 ][1]= mpy;
2142 mv_cache[ 0 ][0]= mx;
2143 mv_cache[ 0 ][1]= my;
2145 mvd_cache[ 0 ][0]= mpx;
2146 mvd_cache[ 0 ][1]= mpy;
2149 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2150 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2154 } else if( IS_DIRECT(mb_type) ) {
2155 ff_h264_pred_direct_motion(h, &mb_type);
2156 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2157 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2158 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2161 if(IS_16X16(mb_type)){
2162 for(list=0; list<h->list_count; list++){
2163 if(IS_DIR(mb_type, 0, list)){
2165 if (local_ref_count[list] > 1) {
2166 ref= decode_cabac_mb_ref(h, list, 0);
2167 if (ref >= (unsigned)local_ref_count[list]) {
2168 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2173 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2176 for(list=0; list<h->list_count; list++){
2177 if(IS_DIR(mb_type, 0, list)){
2179 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2180 DECODE_CABAC_MB_MVD( h, list, 0)
2181 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2183 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2184 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2188 else if(IS_16X8(mb_type)){
2189 for(list=0; list<h->list_count; list++){
2191 if(IS_DIR(mb_type, i, list)){
2193 if (local_ref_count[list] > 1) {
2194 ref= decode_cabac_mb_ref( h, list, 8*i );
2195 if (ref >= (unsigned)local_ref_count[list]) {
2196 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2201 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2203 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2206 for(list=0; list<h->list_count; list++){
2208 if(IS_DIR(mb_type, i, list)){
2210 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2211 DECODE_CABAC_MB_MVD( h, list, 8*i)
2212 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2214 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2215 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2217 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2218 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2223 av_assert2(IS_8X16(mb_type));
2224 for(list=0; list<h->list_count; list++){
2226 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2228 if (local_ref_count[list] > 1) {
2229 ref= decode_cabac_mb_ref( h, list, 4*i );
2230 if (ref >= (unsigned)local_ref_count[list]) {
2231 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2236 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2238 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2241 for(list=0; list<h->list_count; list++){
2243 if(IS_DIR(mb_type, i, list)){
2245 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2246 DECODE_CABAC_MB_MVD( h, list, 4*i)
2248 tprintf(s->avctx, "final mv:%d %d\n", mx, my);
2249 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2250 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2252 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2253 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2260 if( IS_INTER( mb_type ) ) {
2261 h->chroma_pred_mode_table[mb_xy] = 0;
2262 write_back_motion( h, mb_type );
2265 if( !IS_INTRA16x16( mb_type ) ) {
2266 cbp = decode_cabac_mb_cbp_luma( h );
2268 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2270 if (!decode_chroma && cbp>15) {
2271 av_log(s->avctx, AV_LOG_ERROR, "gray chroma\n");
2272 return AVERROR_INVALIDDATA;
2276 h->cbp_table[mb_xy] = h->cbp = cbp;
2278 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2279 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2282 /* It would be better to do this in fill_decode_caches, but we don't know
2283 * the transform mode of the current macroblock there. */
2284 if (CHROMA444 && IS_8x8DCT(mb_type)){
2286 uint8_t *nnz_cache = h->non_zero_count_cache;
2287 for (i = 0; i < 2; i++){
2288 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2289 nnz_cache[3+8* 1 + 2*8*i]=
2290 nnz_cache[3+8* 2 + 2*8*i]=
2291 nnz_cache[3+8* 6 + 2*8*i]=
2292 nnz_cache[3+8* 7 + 2*8*i]=
2293 nnz_cache[3+8*11 + 2*8*i]=
2294 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2297 if (h->top_type && !IS_8x8DCT(h->top_type)){
2298 uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2299 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2300 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2301 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2304 s->current_picture.f.mb_type[mb_xy] = mb_type;
2306 if( cbp || IS_INTRA16x16( mb_type ) ) {
2307 const uint8_t *scan, *scan8x8;
2308 const uint32_t *qmul;
2310 if(IS_INTERLACED(mb_type)){
2311 scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2312 scan= s->qscale ? h->field_scan : h->field_scan_q0;
2314 scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2315 scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2318 // decode_cabac_mb_dqp
2319 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2322 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2324 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2327 if(val > 2*max_qp){ //prevent infinite loop
2328 av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
2336 val= -((val + 1)>>1);
2337 h->last_qscale_diff = val;
2339 if(((unsigned)s->qscale) > max_qp){
2340 if(s->qscale<0) s->qscale+= max_qp+1;
2341 else s->qscale-= max_qp+1;
2343 h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
2344 h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
2346 h->last_qscale_diff=0;
2348 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2350 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2351 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2352 } else if (CHROMA422) {
2355 for (c = 0; c < 2; c++)
2356 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2357 CHROMA_DC_BLOCK_INDEX + c,
2358 chroma422_dc_scan, 8);
2363 for( c = 0; c < 2; c++ ) {
2364 DCTELEM *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2365 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2366 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2367 for (i = 0; i < 4; i++) {
2368 const int index = 16 + 16 * c + 8*i8x8 + i;
2369 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2370 mb += 16<<pixel_shift;
2375 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2376 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2378 } else /* yuv420 */ {
2381 for (c = 0; c < 2; c++)
2382 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2387 for( c = 0; c < 2; c++ ) {
2388 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2389 for( i = 0; i < 4; i++ ) {
2390 const int index = 16 + 16 * c + i;
2391 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2395 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2396 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2400 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2401 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2402 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2403 h->last_qscale_diff = 0;
2406 s->current_picture.f.qscale_table[mb_xy] = s->qscale;
2407 write_back_non_zero_count(h);
projects / ffmpeg / blob