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"
32 #include "libavutil/avassert.h"
33 #include "libavutil/timer.h"
36 #include "cabac_functions.h"
41 #include "h264_mvpred.h"
43 #include "mpegutils.h"
46 #include "x86/h264_i386.h"
49 /* Cabac pre state table */
51 static const int8_t cabac_context_init_I[1024][2] =
54 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
55 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
56 { -6, 53 }, { -1, 54 }, { 7, 51 },
58 /* 11 - 23 unsused for I */
59 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
60 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
61 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
65 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
66 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
67 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
68 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
71 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
72 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
73 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
77 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
81 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
82 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
83 { 13, 41 }, { 3, 62 },
86 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
87 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
88 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
89 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
90 { -12, 115 },{ -16, 122 },
93 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
94 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
95 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
96 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
100 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
101 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
102 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
103 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
104 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
105 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
106 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
107 { 14, 62 }, { -13, 108 },{ -15, 100 },
110 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
111 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
112 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
113 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
114 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
115 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
116 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
117 { 0, 62 }, { 12, 72 },
120 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
121 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
122 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
123 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
124 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
125 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
126 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
127 { 0, 89 }, { 26, -19 }, { 22, -17 },
130 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
131 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
132 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
133 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
134 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
135 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
136 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
137 { 12, 68 }, { 2, 97 },
140 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
141 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
142 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
143 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
144 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
145 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
149 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
150 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
151 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
152 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
153 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
154 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
156 /* 276 a bit special (not used, bypass is used instead) */
160 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
161 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
162 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
163 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
164 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
165 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
166 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
167 { 9, 64 }, { -12, 104 },{ -11, 97 },
170 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
171 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
172 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
173 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
174 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
175 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
176 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
177 { 5, 64 }, { 12, 70 },
180 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
181 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
182 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
183 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
184 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
185 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
186 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
187 { -12, 109 },{ 36, -35 }, { 36, -34 },
190 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
191 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
192 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
193 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
194 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
195 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
196 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
197 { 29, 39 }, { 19, 66 },
200 { 31, 21 }, { 31, 31 }, { 25, 50 },
201 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
202 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
203 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
204 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
205 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
206 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
207 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
208 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
209 { 0, 68 }, { -9, 92 },
212 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
213 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
214 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
215 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
216 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
217 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
220 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
221 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
222 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
223 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
224 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
225 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
226 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
227 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
228 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
229 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
230 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
231 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
232 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
233 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
234 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
235 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
236 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
237 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
238 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
239 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
240 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
241 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
242 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
243 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
244 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
245 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
246 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
247 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
248 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
249 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
250 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
251 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
252 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
253 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
254 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
255 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
256 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
257 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
258 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
259 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
260 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
261 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
262 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
263 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
264 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
265 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
266 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
267 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
268 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
269 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
270 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
271 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
272 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
273 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
274 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
275 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
276 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
277 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
278 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
279 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
280 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
281 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
282 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
283 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
284 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
285 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
286 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
287 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
288 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
289 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
290 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
291 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
292 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
293 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
294 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
295 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
296 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
297 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
298 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
299 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
300 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
301 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
302 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
303 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
304 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
305 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
306 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
307 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
308 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
309 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
310 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
311 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
312 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
313 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
314 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
315 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
316 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
317 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
318 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
319 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
320 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
321 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
322 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
323 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
324 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
325 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
326 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
327 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
328 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
329 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
330 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
331 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
332 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
333 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
334 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
335 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
336 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
337 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
338 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
339 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
340 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
341 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
342 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
343 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
344 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
345 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
346 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
347 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
348 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
349 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
350 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
351 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
352 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
353 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
354 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
355 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
356 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
357 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
358 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
359 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
360 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
363 static const int8_t cabac_context_init_PB[3][1024][2] =
365 /* i_cabac_init_idc == 0 */
368 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
369 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
370 { -6, 53 }, { -1, 54 }, { 7, 51 },
373 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
374 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
375 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
379 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
380 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
381 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
382 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
385 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
386 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
387 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
388 { -3, 81 }, { 0, 88 },
391 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
392 { -7, 72 }, { 1, 58 },
395 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
396 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
397 { 13, 41 }, { 3, 62 },
400 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
401 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
402 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
403 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
404 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
405 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
406 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
407 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
408 { 0, 68 }, { -4, 69 }, { -8, 88 },
411 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
412 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
413 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
414 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
415 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
416 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
417 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
418 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
419 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
420 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
421 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
422 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
423 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
424 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
425 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
429 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
430 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
431 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
432 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
433 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
434 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
435 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
436 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
437 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
438 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
439 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
440 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
441 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
442 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
443 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
447 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
448 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
449 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
450 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
451 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
452 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
453 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
454 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
455 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
456 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
457 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
458 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
461 /* 276 a bit special (not used, bypass is used instead) */
465 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
466 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
467 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
468 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
469 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
470 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
471 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
472 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
473 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
474 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
475 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
476 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
477 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
478 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
479 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
483 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
484 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
485 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
486 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
487 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
488 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
489 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
490 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
491 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
492 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
493 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
494 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
495 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
496 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
497 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
501 { 12, 40 }, { 11, 51 }, { 14, 59 },
502 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
503 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
504 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
505 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
506 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
507 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
508 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
509 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
510 { -8, 66 }, { -8, 76 },
513 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
514 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
515 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
516 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
517 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
518 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
521 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
522 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
523 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
524 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
525 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
526 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
527 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
528 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
529 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
530 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
531 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
532 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
533 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
534 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
535 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
536 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
537 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
538 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
539 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
540 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
541 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
542 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
543 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
544 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
545 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
546 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
547 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
548 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
549 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
550 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
551 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
552 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
553 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
554 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
555 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
556 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
557 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
558 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
559 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
560 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
561 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
562 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
563 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
564 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
565 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
566 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
567 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
568 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
569 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
570 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
571 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
572 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
573 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
574 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
575 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
576 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
577 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
578 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
579 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
580 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
581 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
582 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
583 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
584 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
585 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
586 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
587 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
588 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
589 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
590 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
591 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
592 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
593 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
594 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
595 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
596 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
597 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
598 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
599 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
600 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
601 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
602 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
603 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
604 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
605 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
606 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
607 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
608 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
609 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
610 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
611 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
612 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
613 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
614 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
615 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
616 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
617 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
618 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
619 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
620 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
621 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
622 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
623 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
624 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
625 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
626 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
627 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
628 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
629 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
630 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
631 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
632 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
633 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
634 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
635 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
636 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
637 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
638 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
639 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
640 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
641 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
642 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
643 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
644 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
645 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
646 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
647 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
648 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
649 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
650 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
651 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
652 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
653 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
654 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
655 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
656 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
657 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
658 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
659 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
660 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
661 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
664 /* i_cabac_init_idc == 1 */
667 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
668 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
669 { -6, 53 }, { -1, 54 }, { 7, 51 },
672 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
673 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
674 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
678 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
679 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
680 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
681 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
684 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
685 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
686 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
687 { -7, 86 },{ -5, 95 },
690 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
691 { -5, 72 },{ 0, 61 },
694 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
695 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
696 { 13, 41 }, { 3, 62 },
699 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
700 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
701 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
702 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
703 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
704 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
705 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
706 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
707 { 0, 68 }, { -7, 74 }, { -9, 88 },
710 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
711 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
712 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
713 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
714 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
715 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
716 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
717 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
718 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
719 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
720 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
721 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
722 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
723 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
724 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
728 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
729 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
730 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
731 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
732 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
733 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
734 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
735 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
736 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
737 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
738 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
739 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
740 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
741 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
742 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
746 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
747 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
748 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
749 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
750 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
751 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
752 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
753 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
754 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
755 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
756 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
757 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
760 /* 276 a bit special (not used, bypass is used instead) */
764 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
765 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
766 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
767 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
768 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
769 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
770 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
771 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
772 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
773 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
774 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
775 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
776 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
777 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
778 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
782 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
783 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
784 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
785 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
786 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
787 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
788 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
789 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
790 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
791 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
792 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
793 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
794 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
795 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
796 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
800 { 25, 32 }, { 21, 49 }, { 21, 54 },
801 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
802 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
803 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
804 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
805 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
806 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
807 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
808 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
809 { -4, 67 }, { -7, 82 },
812 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
813 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
814 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
815 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
816 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
817 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
820 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
821 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
822 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
823 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
824 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
825 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
826 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
827 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
828 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
829 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
830 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
831 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
832 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
833 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
834 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
835 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
836 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
837 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
838 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
839 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
840 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
841 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
842 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
843 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
844 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
845 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
846 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
847 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
848 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
849 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
850 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
851 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
852 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
853 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
854 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
855 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
856 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
857 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
858 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
859 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
860 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
861 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
862 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
863 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
864 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
865 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
866 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
867 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
868 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
869 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
870 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
871 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
872 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
873 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
874 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
875 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
876 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
877 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
878 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
879 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
880 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
881 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
882 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
883 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
884 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
885 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
886 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
887 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
888 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
889 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
890 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
891 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
892 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
893 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
894 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
895 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
896 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
897 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
898 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
899 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
900 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
901 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
902 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
903 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
904 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
905 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
906 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
907 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
908 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
909 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
910 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
911 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
912 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
913 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
914 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
915 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
916 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
917 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
918 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
919 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
920 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
921 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
922 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
923 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
924 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
925 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
926 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
927 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
928 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
929 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
930 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
931 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
932 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
933 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
934 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
935 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
936 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
937 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
938 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
939 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
940 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
941 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
942 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
943 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
944 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
945 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
946 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
947 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
948 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
949 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
950 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
951 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
952 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
953 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
954 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
955 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
956 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
957 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
958 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
959 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
960 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
963 /* i_cabac_init_idc == 2 */
966 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
967 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
968 { -6, 53 }, { -1, 54 }, { 7, 51 },
971 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
972 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
973 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
977 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
978 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
979 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
980 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
983 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
984 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
985 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
986 { -3, 90 },{ -1, 101 },
989 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
990 { -7, 50 },{ 1, 60 },
993 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
994 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
995 { 13, 41 }, { 3, 62 },
998 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
999 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
1000 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
1001 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
1002 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1003 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1004 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1005 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1006 { 3, 68 }, { -8, 71 }, { -13, 98 },
1009 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1010 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1011 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1012 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1013 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1014 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1015 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1016 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1017 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1018 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1019 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1020 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1021 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1022 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1023 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1027 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1028 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1029 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1030 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1031 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1032 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1033 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1034 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1035 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1036 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1037 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1038 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1039 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1040 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1041 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1045 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1046 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1047 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1048 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1049 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1050 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1051 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1052 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1053 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1054 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1055 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1056 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1059 /* 276 a bit special (not used, bypass is used instead) */
1063 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1064 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1065 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1066 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1067 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1068 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1069 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1070 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1071 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1072 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1073 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1074 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1075 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1076 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1077 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1081 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1082 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1083 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1084 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1085 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1086 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1087 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1088 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1089 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1090 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1091 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1092 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1093 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1094 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1095 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1099 { 21, 33 }, { 19, 50 }, { 17, 61 },
1100 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1101 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1102 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1103 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1104 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1105 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1106 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1107 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1108 { -6, 68 }, { -10, 79 },
1111 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1112 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1113 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1114 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1115 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1116 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1119 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1120 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1121 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1122 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1123 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1124 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1125 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1126 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1127 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1128 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1129 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1130 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1131 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1132 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1133 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1134 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1135 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1136 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1137 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1138 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1139 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1140 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1141 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1142 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1143 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1144 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1145 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1146 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1147 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1148 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1149 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1150 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1151 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1152 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1153 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1154 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1155 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1156 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1157 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1158 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1159 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1160 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1161 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1162 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1163 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1164 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1165 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1166 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1167 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1168 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1169 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1170 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1171 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1172 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1173 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1174 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1175 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1176 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1177 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1178 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1179 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1180 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1181 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1182 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1183 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1184 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1185 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1186 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1187 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1188 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1189 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1190 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1191 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1192 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1193 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1194 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1195 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1196 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1197 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1198 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1199 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1200 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1201 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1202 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1203 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1204 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1205 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1206 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1207 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1208 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1209 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1210 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1211 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1212 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1213 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1214 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1215 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1216 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1217 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1218 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1219 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1220 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1221 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1222 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1223 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1224 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1225 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1226 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1227 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1228 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1229 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1230 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1231 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1232 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1233 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1234 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1235 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1236 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1237 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1238 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1239 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1240 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1241 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1242 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1243 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1244 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1245 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1246 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1247 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1248 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1249 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1250 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1251 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1252 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1253 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1254 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1255 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1256 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1257 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1258 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1259 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1263 void ff_h264_init_cabac_states(H264Context *h) {
1265 const int8_t (*tab)[2];
1266 const int slice_qp = av_clip(h->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1268 if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
1269 else tab = cabac_context_init_PB[h->cabac_init_idc];
1271 /* calculate pre-state */
1272 for( i= 0; i < 1024; i++ ) {
1273 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1279 h->cabac_state[i] = pre;
1283 static int decode_cabac_field_decoding_flag(H264Context *h) {
1284 const long mbb_xy = h->mb_xy - 2L*h->mb_stride;
1286 unsigned long ctx = 0;
1288 ctx += h->mb_field_decoding_flag & !!h->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1289 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1291 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1294 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1295 uint8_t *state= &h->cabac_state[ctx_base];
1300 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1302 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1304 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1305 return 0; /* I4x4 */
1308 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1309 return 0; /* I4x4 */
1312 if( get_cabac_terminate( &h->cabac ) )
1313 return 25; /* PCM */
1315 mb_type = 1; /* I16x16 */
1316 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1317 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1318 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1319 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1320 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1324 static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1328 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1329 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1332 && h->slice_table[mba_xy] == h->slice_num
1333 && MB_FIELD(h) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1334 mba_xy += h->mb_stride;
1336 mbb_xy = mb_xy - h->mb_stride;
1338 && h->slice_table[mbb_xy] == h->slice_num
1339 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1340 mbb_xy -= h->mb_stride;
1342 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1344 int mb_xy = h->mb_xy;
1346 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1349 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1351 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1354 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1356 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1359 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1362 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1365 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1366 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1367 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1369 return mode + ( mode >= pred_mode );
1372 static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1373 const int mba_xy = h->left_mb_xy[0];
1374 const int mbb_xy = h->top_mb_xy;
1378 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1379 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1382 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1385 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1388 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1390 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1396 static int decode_cabac_mb_cbp_luma( H264Context *h) {
1397 int cbp_b, cbp_a, ctx, cbp = 0;
1399 cbp_a = h->left_cbp;
1402 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1403 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1404 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1405 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1406 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1407 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1408 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1409 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1412 static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1416 cbp_a = (h->left_cbp>>4)&0x03;
1417 cbp_b = (h-> top_cbp>>4)&0x03;
1420 if( cbp_a > 0 ) ctx++;
1421 if( cbp_b > 0 ) ctx += 2;
1422 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1426 if( cbp_a == 2 ) ctx++;
1427 if( cbp_b == 2 ) ctx += 2;
1428 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1431 static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1432 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1434 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1436 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1440 static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1442 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1443 return 0; /* B_Direct_8x8 */
1444 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1445 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1447 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1448 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1449 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1452 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1453 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1457 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1458 int refa = h->ref_cache[list][scan8[n] - 1];
1459 int refb = h->ref_cache[list][scan8[n] - 8];
1463 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1464 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1466 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1475 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1478 if(ref >= 32 /*h->ref_list[list]*/){
1485 static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1488 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1489 // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1496 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1504 while( get_cabac_bypass( &h->cabac ) ) {
1508 av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1513 mvd += get_cabac_bypass( &h->cabac )<<k;
1515 *mvda=mvd < 70 ? mvd : 70;
1518 return get_cabac_bypass_sign( &h->cabac, -mvd );
1521 #define DECODE_CABAC_MB_MVD( h, list, n )\
1523 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1524 h->mvd_cache[list][scan8[n] - 8][0];\
1525 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1526 h->mvd_cache[list][scan8[n] - 8][1];\
1528 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1529 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1532 static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1535 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1539 idx -= CHROMA_DC_BLOCK_INDEX;
1540 nza = (h->left_cbp>>(6+idx))&0x01;
1541 nzb = (h-> top_cbp>>(6+idx))&0x01;
1543 idx -= LUMA_DC_BLOCK_INDEX;
1544 nza = h->left_cbp&(0x100<<idx);
1545 nzb = h-> top_cbp&(0x100<<idx);
1548 nza = h->non_zero_count_cache[scan8[idx] - 1];
1549 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1558 return base_ctx[cat] + ctx;
1561 static av_always_inline void
1562 decode_cabac_residual_internal(H264Context *h, int16_t *block,
1563 int cat, int n, const uint8_t *scantable,
1564 const uint32_t *qmul, int max_coeff,
1565 int is_dc, int chroma422)
1567 static const int significant_coeff_flag_offset[2][14] = {
1568 { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },
1569 { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }
1571 static const int last_coeff_flag_offset[2][14] = {
1572 { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },
1573 { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }
1575 static const int coeff_abs_level_m1_offset[14] = {
1576 227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766
1578 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1579 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1580 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1581 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1582 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1583 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1584 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1585 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1586 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1588 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1589 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1590 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1591 * map node ctx => cabac ctx for level=1 */
1592 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1593 /* map node ctx => cabac ctx for level>1 */
1594 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1595 { 5, 5, 5, 5, 6, 7, 8, 9 },
1596 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1598 static const uint8_t coeff_abs_level_transition[2][8] = {
1599 /* update node ctx after decoding a level=1 */
1600 { 1, 2, 3, 3, 4, 5, 6, 7 },
1601 /* update node ctx after decoding a level>1 */
1602 { 4, 4, 4, 4, 5, 6, 7, 7 }
1608 int coeff_count = 0;
1611 uint8_t *significant_coeff_ctx_base;
1612 uint8_t *last_coeff_ctx_base;
1613 uint8_t *abs_level_m1_ctx_base;
1616 #define CABAC_ON_STACK
1618 #ifdef CABAC_ON_STACK
1621 cc.range = h->cabac.range;
1622 cc.low = h->cabac.low;
1623 cc.bytestream= h->cabac.bytestream;
1624 #if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64
1625 cc.bytestream_end = h->cabac.bytestream_end;
1628 #define CC &h->cabac
1631 significant_coeff_ctx_base = h->cabac_state
1632 + significant_coeff_flag_offset[MB_FIELD(h)][cat];
1633 last_coeff_ctx_base = h->cabac_state
1634 + last_coeff_flag_offset[MB_FIELD(h)][cat];
1635 abs_level_m1_ctx_base = h->cabac_state
1636 + coeff_abs_level_m1_offset[cat];
1638 if( !is_dc && max_coeff == 64 ) {
1639 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1640 for(last= 0; last < coefs; last++) { \
1641 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1642 if( get_cabac( CC, sig_ctx )) { \
1643 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1644 index[coeff_count++] = last; \
1645 if( get_cabac( CC, last_ctx ) ) { \
1651 if( last == max_coeff -1 ) {\
1652 index[coeff_count++] = last;\
1654 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(h)];
1655 #ifdef decode_significance
1656 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1657 last_coeff_ctx_base, sig_off);
1659 if (is_dc && chroma422) { // dc 422
1660 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1662 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1663 last_coeff_ctx_base-significant_coeff_ctx_base);
1666 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1668 if (is_dc && chroma422) { // dc 422
1669 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1671 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1675 av_assert2(coeff_count > 0);
1679 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1681 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1682 h->non_zero_count_cache[scan8[n]] = coeff_count;
1684 if( max_coeff == 64 )
1685 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1687 av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1688 h->non_zero_count_cache[scan8[n]] = coeff_count;
1692 #define STORE_BLOCK(type) \
1694 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1696 int j= scantable[index[--coeff_count]]; \
1698 if( get_cabac( CC, ctx ) == 0 ) { \
1699 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1701 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1703 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1706 int coeff_abs = 2; \
1707 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1708 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1710 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1714 if( coeff_abs >= 15 ) { \
1716 while(get_cabac_bypass( CC ) && j<30) { \
1722 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1728 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1730 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1733 } while ( coeff_count );
1735 if (h->pixel_shift) {
1736 STORE_BLOCK(int32_t)
1738 STORE_BLOCK(int16_t)
1740 #ifdef CABAC_ON_STACK
1741 h->cabac.range = cc.range ;
1742 h->cabac.low = cc.low ;
1743 h->cabac.bytestream= cc.bytestream;
1748 static av_noinline void decode_cabac_residual_dc_internal(H264Context *h,
1751 const uint8_t *scantable,
1754 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1757 static av_noinline void decode_cabac_residual_dc_internal_422(H264Context *h,
1760 const uint8_t *scantable,
1763 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1766 static av_noinline void decode_cabac_residual_nondc_internal(H264Context *h,
1769 const uint8_t *scantable,
1770 const uint32_t *qmul,
1773 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1776 /* cat: 0-> DC 16x16 n = 0
1777 * 1-> AC 16x16 n = luma4x4idx
1778 * 2-> Luma4x4 n = luma4x4idx
1779 * 3-> DC Chroma n = iCbCr
1780 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1781 * 5-> Luma8x8 n = 4 * luma8x8idx */
1783 /* Partially inline the CABAC residual decode: inline the coded block flag.
1784 * This has very little impact on binary size and improves performance
1785 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1786 * as well as because most blocks have zero CBFs. */
1788 static av_always_inline void decode_cabac_residual_dc(H264Context *h,
1791 const uint8_t *scantable,
1794 /* read coded block flag */
1795 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1796 h->non_zero_count_cache[scan8[n]] = 0;
1799 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1802 static av_always_inline void
1803 decode_cabac_residual_dc_422(H264Context *h, int16_t *block,
1804 int cat, int n, const uint8_t *scantable,
1807 /* read coded block flag */
1808 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1809 h->non_zero_count_cache[scan8[n]] = 0;
1812 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1815 static av_always_inline void decode_cabac_residual_nondc(H264Context *h,
1818 const uint8_t *scantable,
1819 const uint32_t *qmul,
1822 /* read coded block flag */
1823 if( (cat != 5 || CHROMA444(h)) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1824 if( max_coeff == 64 ) {
1825 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1827 h->non_zero_count_cache[scan8[n]] = 0;
1831 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1834 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 )
1836 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1837 const uint32_t *qmul;
1839 int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];
1840 if( IS_INTRA16x16( mb_type ) ) {
1841 AV_ZERO128(h->mb_luma_dc[p]+0);
1842 AV_ZERO128(h->mb_luma_dc[p]+8);
1843 AV_ZERO128(h->mb_luma_dc[p]+16);
1844 AV_ZERO128(h->mb_luma_dc[p]+24);
1845 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1848 qmul = h->dequant4_coeff[p][qscale];
1849 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1850 const int index = 16*p + i4x4;
1851 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1854 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1857 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1858 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1859 if( cbp & (1<<i8x8) ) {
1860 if( IS_8x8DCT(mb_type) ) {
1861 const int index = 16*p + 4*i8x8;
1862 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1863 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1865 qmul = h->dequant4_coeff[cqm][qscale];
1866 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1867 const int index = 16*p + 4*i8x8 + i4x4;
1869 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1870 //STOP_TIMER("decode_residual")
1874 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1881 * Decode a macroblock.
1882 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1884 int ff_h264_decode_mb_cabac(H264Context *h) {
1886 int mb_type, partition_count, cbp = 0;
1887 int dct8x8_allowed= h->pps.transform_8x8_mode;
1888 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1889 const int pixel_shift = h->pixel_shift;
1890 unsigned local_ref_count[2];
1892 mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
1894 tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
1895 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1897 /* a skipped mb needs the aff flag from the following mb */
1898 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 1 && h->prev_mb_skipped)
1899 skip = h->next_mb_skipped;
1901 skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );
1902 /* read skip flags */
1904 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 0) {
1905 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1906 h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );
1907 if(!h->next_mb_skipped)
1908 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1913 h->cbp_table[mb_xy] = 0;
1914 h->chroma_pred_mode_table[mb_xy] = 0;
1915 h->last_qscale_diff = 0;
1921 if (FRAME_MBAFF(h)) {
1922 if( (h->mb_y&1) == 0 )
1924 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1927 h->prev_mb_skipped = 0;
1929 fill_decode_neighbors(h, -(MB_FIELD(h)));
1931 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1933 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_B);
1935 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1937 if( !IS_DIRECT( h->top_type-1 ) )
1940 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1941 mb_type= 0; /* B_Direct_16x16 */
1942 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1943 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1946 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1947 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1948 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1949 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1951 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1952 }else if( bits == 13 ){
1953 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1954 goto decode_intra_mb;
1955 }else if( bits == 14 ){
1956 mb_type= 11; /* B_L1_L0_8x16 */
1957 }else if( bits == 15 ){
1958 mb_type= 22; /* B_8x8 */
1960 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1961 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1964 partition_count= b_mb_type_info[mb_type].partition_count;
1965 mb_type= b_mb_type_info[mb_type].type;
1966 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1967 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1969 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1970 /* P_L0_D16x16, P_8x8 */
1971 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1973 /* P_L0_D8x16, P_L0_D16x8 */
1974 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1976 partition_count= p_mb_type_info[mb_type].partition_count;
1977 mb_type= p_mb_type_info[mb_type].type;
1979 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1980 goto decode_intra_mb;
1983 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1984 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1986 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_I);
1988 partition_count = 0;
1989 cbp= i_mb_type_info[mb_type].cbp;
1990 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1991 mb_type= i_mb_type_info[mb_type].type;
1994 mb_type |= MB_TYPE_INTERLACED;
1996 h->slice_table[ mb_xy ]= h->slice_num;
1998 if(IS_INTRA_PCM(mb_type)) {
1999 const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
2000 h->sps.bit_depth_luma >> 3;
2003 // We assume these blocks are very rare so we do not optimize it.
2004 // FIXME The two following lines get the bitstream position in the cabac
2005 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2006 ptr= h->cabac.bytestream;
2007 if(h->cabac.low&0x1) ptr--;
2009 if(h->cabac.low&0x1FF) ptr--;
2012 // The pixels are stored in the same order as levels in h->mb array.
2013 if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
2015 h->intra_pcm_ptr = ptr;
2018 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
2020 // All blocks are present
2021 h->cbp_table[mb_xy] = 0xf7ef;
2022 h->chroma_pred_mode_table[mb_xy] = 0;
2023 // In deblocking, the quantizer is 0
2024 h->cur_pic.qscale_table[mb_xy] = 0;
2025 // All coeffs are present
2026 memset(h->non_zero_count[mb_xy], 16, 48);
2027 h->cur_pic.mb_type[mb_xy] = mb_type;
2028 h->last_qscale_diff = 0;
2032 local_ref_count[0] = h->ref_count[0] << MB_MBAFF(h);
2033 local_ref_count[1] = h->ref_count[1] << MB_MBAFF(h);
2035 fill_decode_caches(h, mb_type);
2037 if( IS_INTRA( mb_type ) ) {
2039 if( IS_INTRA4x4( mb_type ) ) {
2040 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2041 mb_type |= MB_TYPE_8x8DCT;
2042 for( i = 0; i < 16; i+=4 ) {
2043 int pred = pred_intra_mode( h, i );
2044 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2045 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2048 for( i = 0; i < 16; i++ ) {
2049 int pred = pred_intra_mode( h, i );
2050 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2052 av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2053 h->intra4x4_pred_mode_cache[scan8[i]]);
2056 write_back_intra_pred_mode(h);
2057 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2059 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );
2060 if( h->intra16x16_pred_mode < 0 ) return -1;
2063 h->chroma_pred_mode_table[mb_xy] =
2064 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2066 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );
2067 if( pred_mode < 0 ) return -1;
2068 h->chroma_pred_mode= pred_mode;
2070 h->chroma_pred_mode= DC_128_PRED8x8;
2072 } else if( partition_count == 4 ) {
2073 int i, j, sub_partition_count[4], list, ref[2][4];
2075 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2076 for( i = 0; i < 4; i++ ) {
2077 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2078 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2079 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2081 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2082 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2083 ff_h264_pred_direct_motion(h, &mb_type);
2084 h->ref_cache[0][scan8[4]] =
2085 h->ref_cache[1][scan8[4]] =
2086 h->ref_cache[0][scan8[12]] =
2087 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2088 for( i = 0; i < 4; i++ )
2089 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2092 for( i = 0; i < 4; i++ ) {
2093 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2094 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2095 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2099 for( list = 0; list < h->list_count; list++ ) {
2100 for( i = 0; i < 4; i++ ) {
2101 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2102 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2103 if (local_ref_count[list] > 1) {
2104 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2105 if (ref[list][i] >= (unsigned)local_ref_count[list]) {
2106 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], local_ref_count[list]);
2114 h->ref_cache[list][ scan8[4*i]+1 ]=
2115 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2120 dct8x8_allowed = get_dct8x8_allowed(h);
2122 for(list=0; list<h->list_count; list++){
2124 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2125 if(IS_DIRECT(h->sub_mb_type[i])){
2126 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2130 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2131 const int sub_mb_type= h->sub_mb_type[i];
2132 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2133 for(j=0; j<sub_partition_count[i]; j++){
2136 const int index= 4*i + block_width*j;
2137 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2138 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2139 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2140 DECODE_CABAC_MB_MVD( h, list, index)
2141 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2143 if(IS_SUB_8X8(sub_mb_type)){
2145 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2147 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2150 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2152 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2153 }else if(IS_SUB_8X4(sub_mb_type)){
2154 mv_cache[ 1 ][0]= mx;
2155 mv_cache[ 1 ][1]= my;
2157 mvd_cache[ 1 ][0]= mpx;
2158 mvd_cache[ 1 ][1]= mpy;
2159 }else if(IS_SUB_4X8(sub_mb_type)){
2160 mv_cache[ 8 ][0]= mx;
2161 mv_cache[ 8 ][1]= my;
2163 mvd_cache[ 8 ][0]= mpx;
2164 mvd_cache[ 8 ][1]= mpy;
2166 mv_cache[ 0 ][0]= mx;
2167 mv_cache[ 0 ][1]= my;
2169 mvd_cache[ 0 ][0]= mpx;
2170 mvd_cache[ 0 ][1]= mpy;
2173 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2174 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2178 } else if( IS_DIRECT(mb_type) ) {
2179 ff_h264_pred_direct_motion(h, &mb_type);
2180 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2181 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2182 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2185 if(IS_16X16(mb_type)){
2186 for(list=0; list<h->list_count; list++){
2187 if(IS_DIR(mb_type, 0, list)){
2189 if (local_ref_count[list] > 1) {
2190 ref= decode_cabac_mb_ref(h, list, 0);
2191 if (ref >= (unsigned)local_ref_count[list]) {
2192 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2197 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2200 for(list=0; list<h->list_count; list++){
2201 if(IS_DIR(mb_type, 0, list)){
2203 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2204 DECODE_CABAC_MB_MVD( h, list, 0)
2205 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2207 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2208 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2212 else if(IS_16X8(mb_type)){
2213 for(list=0; list<h->list_count; list++){
2215 if(IS_DIR(mb_type, i, list)){
2217 if (local_ref_count[list] > 1) {
2218 ref= decode_cabac_mb_ref( h, list, 8*i );
2219 if (ref >= (unsigned)local_ref_count[list]) {
2220 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2225 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2227 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2230 for(list=0; list<h->list_count; list++){
2232 if(IS_DIR(mb_type, i, list)){
2234 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2235 DECODE_CABAC_MB_MVD( h, list, 8*i)
2236 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2238 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2239 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2241 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2242 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2247 av_assert2(IS_8X16(mb_type));
2248 for(list=0; list<h->list_count; list++){
2250 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2252 if (local_ref_count[list] > 1) {
2253 ref= decode_cabac_mb_ref( h, list, 4*i );
2254 if (ref >= (unsigned)local_ref_count[list]) {
2255 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2260 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2262 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2265 for(list=0; list<h->list_count; list++){
2267 if(IS_DIR(mb_type, i, list)){
2269 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2270 DECODE_CABAC_MB_MVD( h, list, 4*i)
2272 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2273 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2274 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2276 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2277 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2284 if( IS_INTER( mb_type ) ) {
2285 h->chroma_pred_mode_table[mb_xy] = 0;
2286 write_back_motion( h, mb_type );
2289 if( !IS_INTRA16x16( mb_type ) ) {
2290 cbp = decode_cabac_mb_cbp_luma( h );
2292 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2294 if (!decode_chroma && cbp>15) {
2295 av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n");
2296 return AVERROR_INVALIDDATA;
2300 h->cbp_table[mb_xy] = h->cbp = cbp;
2302 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2303 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2306 /* It would be better to do this in fill_decode_caches, but we don't know
2307 * the transform mode of the current macroblock there. */
2308 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2310 uint8_t *nnz_cache = h->non_zero_count_cache;
2311 for (i = 0; i < 2; i++){
2312 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2313 nnz_cache[3+8* 1 + 2*8*i]=
2314 nnz_cache[3+8* 2 + 2*8*i]=
2315 nnz_cache[3+8* 6 + 2*8*i]=
2316 nnz_cache[3+8* 7 + 2*8*i]=
2317 nnz_cache[3+8*11 + 2*8*i]=
2318 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2321 if (h->top_type && !IS_8x8DCT(h->top_type)){
2322 uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2323 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2324 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2325 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2328 h->cur_pic.mb_type[mb_xy] = mb_type;
2330 if( cbp || IS_INTRA16x16( mb_type ) ) {
2331 const uint8_t *scan, *scan8x8;
2332 const uint32_t *qmul;
2334 if(IS_INTERLACED(mb_type)){
2335 scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2336 scan= h->qscale ? h->field_scan : h->field_scan_q0;
2338 scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2339 scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2342 // decode_cabac_mb_dqp
2343 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2346 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2348 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2351 if(val > 2*max_qp){ //prevent infinite loop
2352 av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y);
2360 val= -((val + 1)>>1);
2361 h->last_qscale_diff = val;
2363 if(((unsigned)h->qscale) > max_qp){
2364 if(h->qscale<0) h->qscale+= max_qp+1;
2365 else h->qscale-= max_qp+1;
2367 h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
2368 h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
2370 h->last_qscale_diff=0;
2372 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2374 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2375 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2376 } else if (CHROMA422(h)) {
2379 for (c = 0; c < 2; c++)
2380 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2381 CHROMA_DC_BLOCK_INDEX + c,
2382 chroma422_dc_scan, 8);
2387 for( c = 0; c < 2; c++ ) {
2388 int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2389 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2390 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2391 for (i = 0; i < 4; i++) {
2392 const int index = 16 + 16 * c + 8*i8x8 + i;
2393 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2394 mb += 16<<pixel_shift;
2399 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2400 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2402 } else /* yuv420 */ {
2405 for (c = 0; c < 2; c++)
2406 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2411 for( c = 0; c < 2; c++ ) {
2412 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2413 for( i = 0; i < 4; i++ ) {
2414 const int index = 16 + 16 * c + i;
2415 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2419 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2420 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2424 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2425 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2426 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2427 h->last_qscale_diff = 0;
2430 h->cur_pic.qscale_table[mb_xy] = h->qscale;
2431 write_back_non_zero_count(h);
projects / ffmpeg / blob