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
31 #include "libavutil/attributes.h"
34 #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) {
1263 const int8_t (*tab)[2];
1264 const int slice_qp = av_clip(h->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1266 if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
1267 else tab = cabac_context_init_PB[h->cabac_init_idc];
1269 /* calculate pre-state */
1270 for( i= 0; i < 1024; i++ ) {
1271 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1277 h->cabac_state[i] = pre;
1281 static int decode_cabac_field_decoding_flag(H264Context *h) {
1282 const long mbb_xy = h->mb_xy - 2L*h->mb_stride;
1284 unsigned long ctx = 0;
1286 ctx += h->mb_field_decoding_flag & !!h->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1287 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1289 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1292 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1293 uint8_t *state= &h->cabac_state[ctx_base];
1298 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1300 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1302 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1303 return 0; /* I4x4 */
1306 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1307 return 0; /* I4x4 */
1310 if( get_cabac_terminate( &h->cabac ) )
1311 return 25; /* PCM */
1313 mb_type = 1; /* I16x16 */
1314 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1315 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1316 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1317 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1318 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1322 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1326 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1327 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1330 && h->slice_table[mba_xy] == h->slice_num
1331 && MB_FIELD(h) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1332 mba_xy += h->mb_stride;
1334 mbb_xy = mb_xy - h->mb_stride;
1336 && h->slice_table[mbb_xy] == h->slice_num
1337 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1338 mbb_xy -= h->mb_stride;
1340 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1342 int mb_xy = h->mb_xy;
1344 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1347 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1349 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1352 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1354 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1357 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1360 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1363 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1364 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1365 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1367 return mode + ( mode >= pred_mode );
1370 static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1371 const int mba_xy = h->left_mb_xy[0];
1372 const int mbb_xy = h->top_mb_xy;
1376 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1377 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1380 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1383 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1386 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1388 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1394 static int decode_cabac_mb_cbp_luma( H264Context *h) {
1395 int cbp_b, cbp_a, ctx, cbp = 0;
1397 cbp_a = h->left_cbp;
1400 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1401 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1402 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1403 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1404 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1405 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1406 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1407 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1410 static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1414 cbp_a = (h->left_cbp>>4)&0x03;
1415 cbp_b = (h-> top_cbp>>4)&0x03;
1418 if( cbp_a > 0 ) ctx++;
1419 if( cbp_b > 0 ) ctx += 2;
1420 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1424 if( cbp_a == 2 ) ctx++;
1425 if( cbp_b == 2 ) ctx += 2;
1426 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1429 static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1430 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1432 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1434 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1438 static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1440 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1441 return 0; /* B_Direct_8x8 */
1442 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1443 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1445 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1446 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1447 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1450 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1451 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1455 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1456 int refa = h->ref_cache[list][scan8[n] - 1];
1457 int refb = h->ref_cache[list][scan8[n] - 8];
1461 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1462 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1464 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1473 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1476 if(ref >= 32 /*h->ref_list[list]*/){
1483 static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1486 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1487 // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1494 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1502 while( get_cabac_bypass( &h->cabac ) ) {
1506 av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1511 mvd += get_cabac_bypass( &h->cabac )<<k;
1513 *mvda=mvd < 70 ? mvd : 70;
1516 return get_cabac_bypass_sign( &h->cabac, -mvd );
1519 #define DECODE_CABAC_MB_MVD( h, list, n )\
1521 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1522 h->mvd_cache[list][scan8[n] - 8][0];\
1523 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1524 h->mvd_cache[list][scan8[n] - 8][1];\
1526 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1527 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1530 static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1533 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1537 idx -= CHROMA_DC_BLOCK_INDEX;
1538 nza = (h->left_cbp>>(6+idx))&0x01;
1539 nzb = (h-> top_cbp>>(6+idx))&0x01;
1541 idx -= LUMA_DC_BLOCK_INDEX;
1542 nza = h->left_cbp&(0x100<<idx);
1543 nzb = h-> top_cbp&(0x100<<idx);
1546 nza = h->non_zero_count_cache[scan8[idx] - 1];
1547 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1556 return base_ctx[cat] + ctx;
1559 static av_always_inline void
1560 decode_cabac_residual_internal(H264Context *h, int16_t *block,
1561 int cat, int n, const uint8_t *scantable,
1562 const uint32_t *qmul, int max_coeff,
1563 int is_dc, int chroma422)
1565 static const int significant_coeff_flag_offset[2][14] = {
1566 { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },
1567 { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }
1569 static const int last_coeff_flag_offset[2][14] = {
1570 { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },
1571 { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }
1573 static const int coeff_abs_level_m1_offset[14] = {
1574 227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766
1576 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1577 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1578 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1579 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1580 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1581 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1582 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1583 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1584 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1586 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1587 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1588 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1589 * map node ctx => cabac ctx for level=1 */
1590 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1591 /* map node ctx => cabac ctx for level>1 */
1592 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1593 { 5, 5, 5, 5, 6, 7, 8, 9 },
1594 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1596 static const uint8_t coeff_abs_level_transition[2][8] = {
1597 /* update node ctx after decoding a level=1 */
1598 { 1, 2, 3, 3, 4, 5, 6, 7 },
1599 /* update node ctx after decoding a level>1 */
1600 { 4, 4, 4, 4, 5, 6, 7, 7 }
1606 int coeff_count = 0;
1609 uint8_t *significant_coeff_ctx_base;
1610 uint8_t *last_coeff_ctx_base;
1611 uint8_t *abs_level_m1_ctx_base;
1614 #define CABAC_ON_STACK
1616 #ifdef CABAC_ON_STACK
1619 cc.range = h->cabac.range;
1620 cc.low = h->cabac.low;
1621 cc.bytestream= h->cabac.bytestream;
1623 #define CC &h->cabac
1626 significant_coeff_ctx_base = h->cabac_state
1627 + significant_coeff_flag_offset[MB_FIELD(h)][cat];
1628 last_coeff_ctx_base = h->cabac_state
1629 + last_coeff_flag_offset[MB_FIELD(h)][cat];
1630 abs_level_m1_ctx_base = h->cabac_state
1631 + coeff_abs_level_m1_offset[cat];
1633 if( !is_dc && max_coeff == 64 ) {
1634 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1635 for(last= 0; last < coefs; last++) { \
1636 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1637 if( get_cabac( CC, sig_ctx )) { \
1638 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1639 index[coeff_count++] = last; \
1640 if( get_cabac( CC, last_ctx ) ) { \
1646 if( last == max_coeff -1 ) {\
1647 index[coeff_count++] = last;\
1649 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(h)];
1650 #ifdef decode_significance
1651 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1652 last_coeff_ctx_base, sig_off);
1654 if (is_dc && chroma422) { // dc 422
1655 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1657 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1658 last_coeff_ctx_base-significant_coeff_ctx_base);
1661 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1663 if (is_dc && chroma422) { // dc 422
1664 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1666 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1670 av_assert2(coeff_count > 0);
1674 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1676 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1677 h->non_zero_count_cache[scan8[n]] = coeff_count;
1679 if( max_coeff == 64 )
1680 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1682 av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1683 h->non_zero_count_cache[scan8[n]] = coeff_count;
1687 #define STORE_BLOCK(type) \
1689 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1691 int j= scantable[index[--coeff_count]]; \
1693 if( get_cabac( CC, ctx ) == 0 ) { \
1694 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1696 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1698 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1701 int coeff_abs = 2; \
1702 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1703 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1705 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1709 if( coeff_abs >= 15 ) { \
1711 while(get_cabac_bypass( CC ) && j<30) { \
1717 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1723 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1725 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1728 } while ( coeff_count );
1730 if (h->pixel_shift) {
1731 STORE_BLOCK(int32_t)
1733 STORE_BLOCK(int16_t)
1735 #ifdef CABAC_ON_STACK
1736 h->cabac.range = cc.range ;
1737 h->cabac.low = cc.low ;
1738 h->cabac.bytestream= cc.bytestream;
1743 static av_noinline void decode_cabac_residual_dc_internal(H264Context *h,
1746 const uint8_t *scantable,
1749 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1752 static av_noinline void decode_cabac_residual_dc_internal_422(H264Context *h,
1755 const uint8_t *scantable,
1758 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1761 static av_noinline void decode_cabac_residual_nondc_internal(H264Context *h,
1764 const uint8_t *scantable,
1765 const uint32_t *qmul,
1768 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1771 /* cat: 0-> DC 16x16 n = 0
1772 * 1-> AC 16x16 n = luma4x4idx
1773 * 2-> Luma4x4 n = luma4x4idx
1774 * 3-> DC Chroma n = iCbCr
1775 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1776 * 5-> Luma8x8 n = 4 * luma8x8idx */
1778 /* Partially inline the CABAC residual decode: inline the coded block flag.
1779 * This has very little impact on binary size and improves performance
1780 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1781 * as well as because most blocks have zero CBFs. */
1783 static av_always_inline void decode_cabac_residual_dc(H264Context *h,
1786 const uint8_t *scantable,
1789 /* read coded block flag */
1790 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1791 h->non_zero_count_cache[scan8[n]] = 0;
1794 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1797 static av_always_inline void
1798 decode_cabac_residual_dc_422(H264Context *h, int16_t *block,
1799 int cat, int n, const uint8_t *scantable,
1802 /* read coded block flag */
1803 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1804 h->non_zero_count_cache[scan8[n]] = 0;
1807 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1810 static av_always_inline void decode_cabac_residual_nondc(H264Context *h,
1813 const uint8_t *scantable,
1814 const uint32_t *qmul,
1817 /* read coded block flag */
1818 if( (cat != 5 || CHROMA444(h)) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1819 if( max_coeff == 64 ) {
1820 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1822 h->non_zero_count_cache[scan8[n]] = 0;
1826 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1829 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 )
1831 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1832 const uint32_t *qmul;
1834 int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];
1835 if( IS_INTRA16x16( mb_type ) ) {
1836 AV_ZERO128(h->mb_luma_dc[p]+0);
1837 AV_ZERO128(h->mb_luma_dc[p]+8);
1838 AV_ZERO128(h->mb_luma_dc[p]+16);
1839 AV_ZERO128(h->mb_luma_dc[p]+24);
1840 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1843 qmul = h->dequant4_coeff[p][qscale];
1844 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1845 const int index = 16*p + i4x4;
1846 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1849 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1852 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1853 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1854 if( cbp & (1<<i8x8) ) {
1855 if( IS_8x8DCT(mb_type) ) {
1856 const int index = 16*p + 4*i8x8;
1857 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1858 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1860 qmul = h->dequant4_coeff[cqm][qscale];
1861 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1862 const int index = 16*p + 4*i8x8 + i4x4;
1864 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1865 //STOP_TIMER("decode_residual")
1869 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1876 * Decode a macroblock.
1877 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1879 int ff_h264_decode_mb_cabac(H264Context *h) {
1881 int mb_type, partition_count, cbp = 0;
1882 int dct8x8_allowed= h->pps.transform_8x8_mode;
1883 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1884 const int pixel_shift = h->pixel_shift;
1885 unsigned local_ref_count[2];
1887 mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
1889 tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
1890 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1892 /* a skipped mb needs the aff flag from the following mb */
1893 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 1 && h->prev_mb_skipped)
1894 skip = h->next_mb_skipped;
1896 skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );
1897 /* read skip flags */
1899 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 0) {
1900 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1901 h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );
1902 if(!h->next_mb_skipped)
1903 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1908 h->cbp_table[mb_xy] = 0;
1909 h->chroma_pred_mode_table[mb_xy] = 0;
1910 h->last_qscale_diff = 0;
1916 if (FRAME_MBAFF(h)) {
1917 if( (h->mb_y&1) == 0 )
1919 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1922 h->prev_mb_skipped = 0;
1924 fill_decode_neighbors(h, -(MB_FIELD(h)));
1926 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1928 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_B);
1930 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1932 if( !IS_DIRECT( h->top_type-1 ) )
1935 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1936 mb_type= 0; /* B_Direct_16x16 */
1937 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1938 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1941 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1942 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1943 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1944 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1946 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1947 }else if( bits == 13 ){
1948 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1949 goto decode_intra_mb;
1950 }else if( bits == 14 ){
1951 mb_type= 11; /* B_L1_L0_8x16 */
1952 }else if( bits == 15 ){
1953 mb_type= 22; /* B_8x8 */
1955 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1956 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1959 partition_count= b_mb_type_info[mb_type].partition_count;
1960 mb_type= b_mb_type_info[mb_type].type;
1961 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1962 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1964 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1965 /* P_L0_D16x16, P_8x8 */
1966 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1968 /* P_L0_D8x16, P_L0_D16x8 */
1969 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1971 partition_count= p_mb_type_info[mb_type].partition_count;
1972 mb_type= p_mb_type_info[mb_type].type;
1974 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1975 goto decode_intra_mb;
1978 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1979 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1981 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_I);
1983 partition_count = 0;
1984 cbp= i_mb_type_info[mb_type].cbp;
1985 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1986 mb_type= i_mb_type_info[mb_type].type;
1989 mb_type |= MB_TYPE_INTERLACED;
1991 h->slice_table[ mb_xy ]= h->slice_num;
1993 if(IS_INTRA_PCM(mb_type)) {
1994 const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
1995 h->sps.bit_depth_luma >> 3;
1998 // We assume these blocks are very rare so we do not optimize it.
1999 // FIXME The two following lines get the bitstream position in the cabac
2000 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2001 ptr= h->cabac.bytestream;
2002 if(h->cabac.low&0x1) ptr--;
2004 if(h->cabac.low&0x1FF) ptr--;
2007 // The pixels are stored in the same order as levels in h->mb array.
2008 if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
2010 h->intra_pcm_ptr = ptr;
2013 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
2015 // All blocks are present
2016 h->cbp_table[mb_xy] = 0xf7ef;
2017 h->chroma_pred_mode_table[mb_xy] = 0;
2018 // In deblocking, the quantizer is 0
2019 h->cur_pic.qscale_table[mb_xy] = 0;
2020 // All coeffs are present
2021 memset(h->non_zero_count[mb_xy], 16, 48);
2022 h->cur_pic.mb_type[mb_xy] = mb_type;
2023 h->last_qscale_diff = 0;
2027 local_ref_count[0] = h->ref_count[0] << MB_MBAFF(h);
2028 local_ref_count[1] = h->ref_count[1] << MB_MBAFF(h);
2030 fill_decode_caches(h, mb_type);
2032 if( IS_INTRA( mb_type ) ) {
2034 if( IS_INTRA4x4( mb_type ) ) {
2035 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2036 mb_type |= MB_TYPE_8x8DCT;
2037 for( i = 0; i < 16; i+=4 ) {
2038 int pred = pred_intra_mode( h, i );
2039 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2040 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2043 for( i = 0; i < 16; i++ ) {
2044 int pred = pred_intra_mode( h, i );
2045 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2047 av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2048 h->intra4x4_pred_mode_cache[scan8[i]]);
2051 write_back_intra_pred_mode(h);
2052 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2054 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );
2055 if( h->intra16x16_pred_mode < 0 ) return -1;
2058 h->chroma_pred_mode_table[mb_xy] =
2059 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2061 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );
2062 if( pred_mode < 0 ) return -1;
2063 h->chroma_pred_mode= pred_mode;
2065 h->chroma_pred_mode= DC_128_PRED8x8;
2067 } else if( partition_count == 4 ) {
2068 int i, j, sub_partition_count[4], list, ref[2][4];
2070 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2071 for( i = 0; i < 4; i++ ) {
2072 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2073 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2074 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2076 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2077 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2078 ff_h264_pred_direct_motion(h, &mb_type);
2079 h->ref_cache[0][scan8[4]] =
2080 h->ref_cache[1][scan8[4]] =
2081 h->ref_cache[0][scan8[12]] =
2082 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2083 for( i = 0; i < 4; i++ )
2084 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2087 for( i = 0; i < 4; i++ ) {
2088 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2089 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2090 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2094 for( list = 0; list < h->list_count; list++ ) {
2095 for( i = 0; i < 4; i++ ) {
2096 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2097 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2098 if (local_ref_count[list] > 1) {
2099 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2100 if (ref[list][i] >= (unsigned)local_ref_count[list]) {
2101 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], local_ref_count[list]);
2109 h->ref_cache[list][ scan8[4*i]+1 ]=
2110 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2115 dct8x8_allowed = get_dct8x8_allowed(h);
2117 for(list=0; list<h->list_count; list++){
2119 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2120 if(IS_DIRECT(h->sub_mb_type[i])){
2121 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2125 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2126 const int sub_mb_type= h->sub_mb_type[i];
2127 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2128 for(j=0; j<sub_partition_count[i]; j++){
2131 const int index= 4*i + block_width*j;
2132 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2133 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2134 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2135 DECODE_CABAC_MB_MVD( h, list, index)
2136 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2138 if(IS_SUB_8X8(sub_mb_type)){
2140 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2142 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2145 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2147 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2148 }else if(IS_SUB_8X4(sub_mb_type)){
2149 mv_cache[ 1 ][0]= mx;
2150 mv_cache[ 1 ][1]= my;
2152 mvd_cache[ 1 ][0]= mpx;
2153 mvd_cache[ 1 ][1]= mpy;
2154 }else if(IS_SUB_4X8(sub_mb_type)){
2155 mv_cache[ 8 ][0]= mx;
2156 mv_cache[ 8 ][1]= my;
2158 mvd_cache[ 8 ][0]= mpx;
2159 mvd_cache[ 8 ][1]= mpy;
2161 mv_cache[ 0 ][0]= mx;
2162 mv_cache[ 0 ][1]= my;
2164 mvd_cache[ 0 ][0]= mpx;
2165 mvd_cache[ 0 ][1]= mpy;
2168 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2169 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2173 } else if( IS_DIRECT(mb_type) ) {
2174 ff_h264_pred_direct_motion(h, &mb_type);
2175 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2176 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2177 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2180 if(IS_16X16(mb_type)){
2181 for(list=0; list<h->list_count; list++){
2182 if(IS_DIR(mb_type, 0, list)){
2184 if (local_ref_count[list] > 1) {
2185 ref= decode_cabac_mb_ref(h, list, 0);
2186 if (ref >= (unsigned)local_ref_count[list]) {
2187 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2192 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2195 for(list=0; list<h->list_count; list++){
2196 if(IS_DIR(mb_type, 0, list)){
2198 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2199 DECODE_CABAC_MB_MVD( h, list, 0)
2200 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2202 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2203 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2207 else if(IS_16X8(mb_type)){
2208 for(list=0; list<h->list_count; list++){
2210 if(IS_DIR(mb_type, i, list)){
2212 if (local_ref_count[list] > 1) {
2213 ref= decode_cabac_mb_ref( h, list, 8*i );
2214 if (ref >= (unsigned)local_ref_count[list]) {
2215 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2220 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2222 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2225 for(list=0; list<h->list_count; list++){
2227 if(IS_DIR(mb_type, i, list)){
2229 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2230 DECODE_CABAC_MB_MVD( h, list, 8*i)
2231 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2233 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2234 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2236 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2237 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2242 av_assert2(IS_8X16(mb_type));
2243 for(list=0; list<h->list_count; list++){
2245 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2247 if (local_ref_count[list] > 1) {
2248 ref= decode_cabac_mb_ref( h, list, 4*i );
2249 if (ref >= (unsigned)local_ref_count[list]) {
2250 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2255 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2257 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2260 for(list=0; list<h->list_count; list++){
2262 if(IS_DIR(mb_type, i, list)){
2264 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2265 DECODE_CABAC_MB_MVD( h, list, 4*i)
2267 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2268 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2269 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2271 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2272 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2279 if( IS_INTER( mb_type ) ) {
2280 h->chroma_pred_mode_table[mb_xy] = 0;
2281 write_back_motion( h, mb_type );
2284 if( !IS_INTRA16x16( mb_type ) ) {
2285 cbp = decode_cabac_mb_cbp_luma( h );
2287 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2289 if (!decode_chroma && cbp>15) {
2290 av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n");
2291 return AVERROR_INVALIDDATA;
2295 h->cbp_table[mb_xy] = h->cbp = cbp;
2297 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2298 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2301 /* It would be better to do this in fill_decode_caches, but we don't know
2302 * the transform mode of the current macroblock there. */
2303 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2305 uint8_t *nnz_cache = h->non_zero_count_cache;
2306 for (i = 0; i < 2; i++){
2307 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2308 nnz_cache[3+8* 1 + 2*8*i]=
2309 nnz_cache[3+8* 2 + 2*8*i]=
2310 nnz_cache[3+8* 6 + 2*8*i]=
2311 nnz_cache[3+8* 7 + 2*8*i]=
2312 nnz_cache[3+8*11 + 2*8*i]=
2313 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2316 if (h->top_type && !IS_8x8DCT(h->top_type)){
2317 uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2318 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2319 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2320 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2323 h->cur_pic.mb_type[mb_xy] = mb_type;
2325 if( cbp || IS_INTRA16x16( mb_type ) ) {
2326 const uint8_t *scan, *scan8x8;
2327 const uint32_t *qmul;
2329 if(IS_INTERLACED(mb_type)){
2330 scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2331 scan= h->qscale ? h->field_scan : h->field_scan_q0;
2333 scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2334 scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2337 // decode_cabac_mb_dqp
2338 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2341 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2343 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2346 if(val > 2*max_qp){ //prevent infinite loop
2347 av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y);
2355 val= -((val + 1)>>1);
2356 h->last_qscale_diff = val;
2358 if(((unsigned)h->qscale) > max_qp){
2359 if(h->qscale<0) h->qscale+= max_qp+1;
2360 else h->qscale-= max_qp+1;
2362 h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
2363 h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
2365 h->last_qscale_diff=0;
2367 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2369 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2370 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2371 } else if (CHROMA422(h)) {
2374 for (c = 0; c < 2; c++)
2375 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2376 CHROMA_DC_BLOCK_INDEX + c,
2377 chroma422_dc_scan, 8);
2382 for( c = 0; c < 2; c++ ) {
2383 int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2384 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2385 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2386 for (i = 0; i < 4; i++) {
2387 const int index = 16 + 16 * c + 8*i8x8 + i;
2388 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2389 mb += 16<<pixel_shift;
2394 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2395 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2397 } else /* yuv420 */ {
2400 for (c = 0; c < 2; c++)
2401 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2406 for( c = 0; c < 2; c++ ) {
2407 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2408 for( i = 0; i < 4; i++ ) {
2409 const int index = 16 + 16 * c + i;
2410 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2414 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2415 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2419 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2420 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2421 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2422 h->last_qscale_diff = 0;
2425 h->cur_pic.qscale_table[mb_xy] = h->qscale;
2426 write_back_non_zero_count(h);
projects / ffmpeg / blob