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 / MPEG-4 part10 cabac decoding.
25 * @author Michael Niedermayer <michaelni@gmx.at>
29 #define UNCHECKED_BITSTREAM_READER 1
30 #define INT_BIT (CHAR_BIT * sizeof(int))
32 #include "libavutil/attributes.h"
33 #include "libavutil/avassert.h"
34 #include "libavutil/timer.h"
37 #include "cabac_functions.h"
42 #include "h264_mvpred.h"
43 #include "mpegutils.h"
46 #include "x86/h264_cabac.c"
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 unused 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(const H264Context *h, H264SliceContext *sl)
1266 const int8_t (*tab)[2];
1267 const int slice_qp = av_clip(sl->qscale - 6*(h->ps.sps->bit_depth_luma-8), 0, 51);
1269 if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
1270 else tab = cabac_context_init_PB[sl->cabac_init_idc];
1272 /* calculate pre-state */
1273 for( i= 0; i < 1024; i++ ) {
1274 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1280 sl->cabac_state[i] = pre;
1284 static int decode_cabac_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
1286 const int mbb_xy = sl->mb_xy - 2*h->mb_stride;
1288 unsigned long ctx = 0;
1290 ctx += sl->mb_field_decoding_flag & !!sl->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);
1291 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == sl->slice_num);
1293 return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] );
1296 static int decode_cabac_intra_mb_type(H264SliceContext *sl,
1297 int ctx_base, int intra_slice)
1299 uint8_t *state= &sl->cabac_state[ctx_base];
1304 if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1306 if (sl->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1308 if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 )
1309 return 0; /* I4x4 */
1312 if( get_cabac_noinline( &sl->cabac, state ) == 0 )
1313 return 0; /* I4x4 */
1316 if( get_cabac_terminate( &sl->cabac ) )
1317 return 25; /* PCM */
1319 mb_type = 1; /* I16x16 */
1320 mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */
1321 if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */
1322 mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] );
1323 mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] );
1324 mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] );
1328 static int decode_cabac_mb_skip(const H264Context *h, H264SliceContext *sl,
1334 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1335 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1338 && h->slice_table[mba_xy] == sl->slice_num
1339 && MB_FIELD(sl) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1340 mba_xy += h->mb_stride;
1342 mbb_xy = mb_xy - h->mb_stride;
1344 && h->slice_table[mbb_xy] == sl->slice_num
1345 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1346 mbb_xy -= h->mb_stride;
1348 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1350 int mb_xy = sl->mb_xy;
1352 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1355 if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1357 if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1360 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1362 return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
1365 static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
1369 if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) )
1372 mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1373 mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1374 mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1376 return mode + ( mode >= pred_mode );
1379 static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl)
1381 const int mba_xy = sl->left_mb_xy[0];
1382 const int mbb_xy = sl->top_mb_xy;
1386 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1387 if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0)
1390 if (sl->top_type && h->chroma_pred_mode_table[mbb_xy] != 0)
1393 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 )
1396 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1398 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1404 static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
1406 int cbp_b, cbp_a, ctx, cbp = 0;
1408 cbp_a = sl->left_cbp;
1409 cbp_b = sl->top_cbp;
1411 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1412 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
1413 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1414 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1;
1415 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1416 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2;
1417 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1418 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
1421 static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
1426 cbp_a = (sl->left_cbp>>4)&0x03;
1427 cbp_b = (sl-> top_cbp>>4)&0x03;
1430 if( cbp_a > 0 ) ctx++;
1431 if( cbp_b > 0 ) ctx += 2;
1432 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 )
1436 if( cbp_a == 2 ) ctx++;
1437 if( cbp_b == 2 ) ctx += 2;
1438 return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
1441 static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
1443 if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
1445 if( !get_cabac( &sl->cabac, &sl->cabac_state[22] ) )
1447 if( get_cabac( &sl->cabac, &sl->cabac_state[23] ) )
1451 static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
1454 if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
1455 return 0; /* B_Direct_8x8 */
1456 if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) )
1457 return 1 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1459 if( get_cabac( &sl->cabac, &sl->cabac_state[38] ) ) {
1460 if( get_cabac( &sl->cabac, &sl->cabac_state[39] ) )
1461 return 11 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1464 type += 2*get_cabac( &sl->cabac, &sl->cabac_state[39] );
1465 type += get_cabac( &sl->cabac, &sl->cabac_state[39] );
1469 static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n)
1471 int refa = sl->ref_cache[list][scan8[n] - 1];
1472 int refb = sl->ref_cache[list][scan8[n] - 8];
1476 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1477 if( refa > 0 && !(sl->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1479 if( refb > 0 && !(sl->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1488 while( get_cabac( &sl->cabac, &sl->cabac_state[54+ctx] ) ) {
1491 if(ref >= 32 /*h->ref_list[list]*/){
1498 static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
1502 if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1503 // if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1510 while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) {
1518 while( get_cabac_bypass( &sl->cabac ) ) {
1522 av_log(sl->h264->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1527 mvd += get_cabac_bypass( &sl->cabac )<<k;
1529 *mvda=mvd < 70 ? mvd : 70;
1532 return get_cabac_bypass_sign( &sl->cabac, -mvd );
1535 #define DECODE_CABAC_MB_MVD(sl, list, n )\
1537 int amvd0 = sl->mvd_cache[list][scan8[n] - 1][0] +\
1538 sl->mvd_cache[list][scan8[n] - 8][0];\
1539 int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\
1540 sl->mvd_cache[list][scan8[n] - 8][1];\
1542 int mxd = decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\
1543 int myd = decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\
1544 if (mxd == INT_MIN || myd == INT_MIN) \
1545 return AVERROR_INVALIDDATA; \
1550 static av_always_inline int get_cabac_cbf_ctx(H264SliceContext *sl,
1551 int cat, int idx, int max_coeff,
1556 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1560 idx -= CHROMA_DC_BLOCK_INDEX;
1561 nza = (sl->left_cbp>>(6+idx))&0x01;
1562 nzb = (sl-> top_cbp>>(6+idx))&0x01;
1564 idx -= LUMA_DC_BLOCK_INDEX;
1565 nza = sl->left_cbp&(0x100<<idx);
1566 nzb = sl-> top_cbp&(0x100<<idx);
1569 nza = sl->non_zero_count_cache[scan8[idx] - 1];
1570 nzb = sl->non_zero_count_cache[scan8[idx] - 8];
1579 return base_ctx[cat] + ctx;
1582 static av_always_inline void
1583 decode_cabac_residual_internal(const H264Context *h, H264SliceContext *sl,
1585 int cat, int n, const uint8_t *scantable,
1586 const uint32_t *qmul, int max_coeff,
1587 int is_dc, int chroma422)
1589 static const int significant_coeff_flag_offset[2][14] = {
1590 { 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 },
1591 { 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 }
1593 static const int last_coeff_flag_offset[2][14] = {
1594 { 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 },
1595 { 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 }
1597 static const int coeff_abs_level_m1_offset[14] = {
1598 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
1600 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1601 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1602 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1603 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1604 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1605 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1606 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1607 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1608 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1610 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1611 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1612 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1613 * map node ctx => cabac ctx for level=1 */
1614 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1615 /* map node ctx => cabac ctx for level>1 */
1616 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1617 { 5, 5, 5, 5, 6, 7, 8, 9 },
1618 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1620 static const uint8_t coeff_abs_level_transition[2][8] = {
1621 /* update node ctx after decoding a level=1 */
1622 { 1, 2, 3, 3, 4, 5, 6, 7 },
1623 /* update node ctx after decoding a level>1 */
1624 { 4, 4, 4, 4, 5, 6, 7, 7 }
1630 int coeff_count = 0;
1633 uint8_t *significant_coeff_ctx_base;
1634 uint8_t *last_coeff_ctx_base;
1635 uint8_t *abs_level_m1_ctx_base;
1638 #define CABAC_ON_STACK
1640 #ifdef CABAC_ON_STACK
1643 cc.range = sl->cabac.range;
1644 cc.low = sl->cabac.low;
1645 cc.bytestream= sl->cabac.bytestream;
1646 #if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64
1647 cc.bytestream_end = sl->cabac.bytestream_end;
1650 #define CC &sl->cabac
1653 significant_coeff_ctx_base = sl->cabac_state
1654 + significant_coeff_flag_offset[MB_FIELD(sl)][cat];
1655 last_coeff_ctx_base = sl->cabac_state
1656 + last_coeff_flag_offset[MB_FIELD(sl)][cat];
1657 abs_level_m1_ctx_base = sl->cabac_state
1658 + coeff_abs_level_m1_offset[cat];
1660 if( !is_dc && max_coeff == 64 ) {
1661 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1662 for(last= 0; last < coefs; last++) { \
1663 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1664 if( get_cabac( CC, sig_ctx )) { \
1665 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1666 index[coeff_count++] = last; \
1667 if( get_cabac( CC, last_ctx ) ) { \
1673 if( last == max_coeff -1 ) {\
1674 index[coeff_count++] = last;\
1676 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)];
1677 #ifdef decode_significance
1678 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1679 last_coeff_ctx_base, sig_off);
1681 if (is_dc && chroma422) { // dc 422
1682 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1684 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1685 last_coeff_ctx_base-significant_coeff_ctx_base);
1688 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1690 if (is_dc && chroma422) { // dc 422
1691 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1693 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1697 av_assert2(coeff_count > 0);
1701 h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1703 h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1704 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1706 if( max_coeff == 64 )
1707 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1709 av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1710 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1714 #define STORE_BLOCK(type) \
1716 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1718 int j= scantable[index[--coeff_count]]; \
1720 if( get_cabac( CC, ctx ) == 0 ) { \
1721 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1723 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1725 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1728 unsigned coeff_abs = 2; \
1729 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1730 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1732 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1736 if( coeff_abs >= 15 ) { \
1738 while (get_cabac_bypass(CC) && j < 30) { \
1744 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1750 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1752 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1755 } while ( coeff_count );
1757 if (h->pixel_shift) {
1758 STORE_BLOCK(int32_t)
1760 STORE_BLOCK(int16_t)
1762 #ifdef CABAC_ON_STACK
1763 sl->cabac.range = cc.range ;
1764 sl->cabac.low = cc.low ;
1765 sl->cabac.bytestream= cc.bytestream;
1770 static av_noinline void decode_cabac_residual_dc_internal(const H264Context *h,
1771 H264SliceContext *sl,
1774 const uint8_t *scantable,
1777 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1780 static av_noinline void decode_cabac_residual_dc_internal_422(const H264Context *h,
1781 H264SliceContext *sl,
1784 const uint8_t *scantable,
1787 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1790 static av_noinline void decode_cabac_residual_nondc_internal(const H264Context *h,
1791 H264SliceContext *sl,
1794 const uint8_t *scantable,
1795 const uint32_t *qmul,
1798 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1801 /* cat: 0-> DC 16x16 n = 0
1802 * 1-> AC 16x16 n = luma4x4idx
1803 * 2-> Luma4x4 n = luma4x4idx
1804 * 3-> DC Chroma n = iCbCr
1805 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1806 * 5-> Luma8x8 n = 4 * luma8x8idx */
1808 /* Partially inline the CABAC residual decode: inline the coded block flag.
1809 * This has very little impact on binary size and improves performance
1810 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1811 * as well as because most blocks have zero CBFs. */
1813 static av_always_inline void decode_cabac_residual_dc(const H264Context *h,
1814 H264SliceContext *sl,
1817 const uint8_t *scantable,
1820 /* read coded block flag */
1821 if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
1822 sl->non_zero_count_cache[scan8[n]] = 0;
1825 decode_cabac_residual_dc_internal(h, sl, block, cat, n, scantable, max_coeff);
1828 static av_always_inline void
1829 decode_cabac_residual_dc_422(const H264Context *h, H264SliceContext *sl,
1831 int cat, int n, const uint8_t *scantable,
1834 /* read coded block flag */
1835 if (get_cabac(&sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0) {
1836 sl->non_zero_count_cache[scan8[n]] = 0;
1839 decode_cabac_residual_dc_internal_422(h, sl, block, cat, n, scantable, max_coeff);
1842 static av_always_inline void decode_cabac_residual_nondc(const H264Context *h,
1843 H264SliceContext *sl,
1846 const uint8_t *scantable,
1847 const uint32_t *qmul,
1850 /* read coded block flag */
1851 if( (cat != 5 || CHROMA444(h)) && get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 0)]) == 0) {
1852 if( max_coeff == 64 ) {
1853 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1855 sl->non_zero_count_cache[scan8[n]] = 0;
1859 decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff);
1862 static av_always_inline void decode_cabac_luma_residual(const H264Context *h, H264SliceContext *sl,
1863 const uint8_t *scan, const uint8_t *scan8x8,
1864 int pixel_shift, int mb_type, int cbp, int p)
1866 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1867 const uint32_t *qmul;
1869 int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
1870 if( IS_INTRA16x16( mb_type ) ) {
1871 AV_ZERO128(sl->mb_luma_dc[p]+0);
1872 AV_ZERO128(sl->mb_luma_dc[p]+8);
1873 AV_ZERO128(sl->mb_luma_dc[p]+16);
1874 AV_ZERO128(sl->mb_luma_dc[p]+24);
1875 decode_cabac_residual_dc(h, sl, sl->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1878 qmul = h->ps.pps->dequant4_coeff[p][qscale];
1879 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1880 const int index = 16*p + i4x4;
1881 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1884 fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1887 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1888 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1889 if( cbp & (1<<i8x8) ) {
1890 if( IS_8x8DCT(mb_type) ) {
1891 const int index = 16*p + 4*i8x8;
1892 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1893 scan8x8, h->ps.pps->dequant8_coeff[cqm][qscale], 64);
1895 qmul = h->ps.pps->dequant4_coeff[cqm][qscale];
1896 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1897 const int index = 16*p + 4*i8x8 + i4x4;
1899 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1900 //STOP_TIMER("decode_residual")
1904 fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1911 * Decode a macroblock.
1912 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1914 int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
1916 const SPS *sps = h->ps.sps;
1918 int mb_type, partition_count, cbp = 0;
1919 int dct8x8_allowed = h->ps.pps->transform_8x8_mode;
1920 const int decode_chroma = sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2;
1921 const int pixel_shift = h->pixel_shift;
1923 mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride;
1925 ff_tlog(h->avctx, "pic:%d mb:%d/%d\n", h->poc.frame_num, sl->mb_x, sl->mb_y);
1926 if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1928 /* a skipped mb needs the aff flag from the following mb */
1929 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped)
1930 skip = sl->next_mb_skipped;
1932 skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y );
1933 /* read skip flags */
1935 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
1936 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1937 sl->next_mb_skipped = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y+1 );
1938 if(!sl->next_mb_skipped)
1939 sl->mb_mbaff = sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1942 decode_mb_skip(h, sl);
1944 h->cbp_table[mb_xy] = 0;
1945 h->chroma_pred_mode_table[mb_xy] = 0;
1946 sl->last_qscale_diff = 0;
1952 if (FRAME_MBAFF(h)) {
1953 if ((sl->mb_y & 1) == 0)
1955 sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1958 sl->prev_mb_skipped = 0;
1960 fill_decode_neighbors(h, sl, -(MB_FIELD(sl)));
1962 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1964 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B);
1966 if (!IS_DIRECT(sl->left_type[LTOP] - 1))
1968 if (!IS_DIRECT(sl->top_type - 1))
1971 if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){
1972 mb_type= 0; /* B_Direct_16x16 */
1973 }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) {
1974 mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */
1977 bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3;
1978 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2;
1979 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1;
1980 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1982 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1983 }else if( bits == 13 ){
1984 mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
1985 goto decode_intra_mb;
1986 }else if( bits == 14 ){
1987 mb_type= 11; /* B_L1_L0_8x16 */
1988 }else if( bits == 15 ){
1989 mb_type= 22; /* B_8x8 */
1991 bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1992 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1995 partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
1996 mb_type = ff_h264_b_mb_type_info[mb_type].type;
1997 } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
1998 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) {
2000 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) {
2001 /* P_L0_D16x16, P_8x8 */
2002 mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] );
2004 /* P_L0_D8x16, P_L0_D16x8 */
2005 mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] );
2007 partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
2008 mb_type = ff_h264_p_mb_type_info[mb_type].type;
2010 mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
2011 goto decode_intra_mb;
2014 mb_type = decode_cabac_intra_mb_type(sl, 3, 1);
2015 if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type)
2017 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_I);
2019 partition_count = 0;
2020 cbp = ff_h264_i_mb_type_info[mb_type].cbp;
2021 sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
2022 mb_type = ff_h264_i_mb_type_info[mb_type].type;
2025 mb_type |= MB_TYPE_INTERLACED;
2027 h->slice_table[mb_xy] = sl->slice_num;
2029 if(IS_INTRA_PCM(mb_type)) {
2030 const int mb_size = ff_h264_mb_sizes[sps->chroma_format_idc] *
2031 sps->bit_depth_luma >> 3;
2035 // We assume these blocks are very rare so we do not optimize it.
2036 // FIXME The two following lines get the bitstream position in the cabac
2037 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2038 ptr= sl->cabac.bytestream;
2039 if(sl->cabac.low&0x1) ptr--;
2041 if(sl->cabac.low&0x1FF) ptr--;
2044 // The pixels are stored in the same order as levels in h->mb array.
2045 if ((int) (sl->cabac.bytestream_end - ptr) < mb_size)
2047 sl->intra_pcm_ptr = ptr;
2050 ret = ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
2054 // All blocks are present
2055 h->cbp_table[mb_xy] = 0xf7ef;
2056 h->chroma_pred_mode_table[mb_xy] = 0;
2057 // In deblocking, the quantizer is 0
2058 h->cur_pic.qscale_table[mb_xy] = 0;
2059 // All coeffs are present
2060 memset(h->non_zero_count[mb_xy], 16, 48);
2061 h->cur_pic.mb_type[mb_xy] = mb_type;
2062 sl->last_qscale_diff = 0;
2066 fill_decode_caches(h, sl, mb_type);
2068 if( IS_INTRA( mb_type ) ) {
2070 if( IS_INTRA4x4( mb_type ) ) {
2071 if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) {
2072 mb_type |= MB_TYPE_8x8DCT;
2073 for( i = 0; i < 16; i+=4 ) {
2074 int pred = pred_intra_mode(h, sl, i);
2075 int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2076 fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
2079 for( i = 0; i < 16; i++ ) {
2080 int pred = pred_intra_mode(h, sl, i);
2081 sl->intra4x4_pred_mode_cache[scan8[i]] = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2083 ff_tlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2084 sl->intra4x4_pred_mode_cache[scan8[i]]);
2087 write_back_intra_pred_mode(h, sl);
2088 if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
2089 sl->top_samples_available, sl->left_samples_available) < 0 )
2092 sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2093 sl->left_samples_available, sl->intra16x16_pred_mode, 0);
2094 if (sl->intra16x16_pred_mode < 0) return -1;
2097 h->chroma_pred_mode_table[mb_xy] =
2098 pred_mode = decode_cabac_mb_chroma_pre_mode(h, sl);
2100 pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2101 sl->left_samples_available, pred_mode, 1 );
2102 if( pred_mode < 0 ) return -1;
2103 sl->chroma_pred_mode = pred_mode;
2105 sl->chroma_pred_mode = DC_128_PRED8x8;
2107 } else if( partition_count == 4 ) {
2108 int i, j, sub_partition_count[4], list, ref[2][4];
2110 if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
2111 for( i = 0; i < 4; i++ ) {
2112 sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
2113 sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2114 sl->sub_mb_type[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].type;
2116 if (IS_DIRECT(sl->sub_mb_type[0] | sl->sub_mb_type[1] |
2117 sl->sub_mb_type[2] | sl->sub_mb_type[3])) {
2118 ff_h264_pred_direct_motion(h, sl, &mb_type);
2119 sl->ref_cache[0][scan8[4]] =
2120 sl->ref_cache[1][scan8[4]] =
2121 sl->ref_cache[0][scan8[12]] =
2122 sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2123 for( i = 0; i < 4; i++ )
2124 fill_rectangle(&sl->direct_cache[scan8[4*i]], 2, 2, 8, (sl->sub_mb_type[i] >> 1) & 0xFF, 1);
2127 for( i = 0; i < 4; i++ ) {
2128 sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
2129 sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2130 sl->sub_mb_type[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].type;
2134 for( list = 0; list < sl->list_count; list++ ) {
2135 for( i = 0; i < 4; i++ ) {
2136 if(IS_DIRECT(sl->sub_mb_type[i])) continue;
2137 if(IS_DIR(sl->sub_mb_type[i], 0, list)){
2138 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2140 ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i);
2141 if (ref[list][i] >= rc) {
2142 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
2150 sl->ref_cache[list][scan8[4 * i] + 1] =
2151 sl->ref_cache[list][scan8[4 * i] + 8] = sl->ref_cache[list][scan8[4 * i] + 9] = ref[list][i];
2156 dct8x8_allowed = get_dct8x8_allowed(h, sl);
2158 for (list = 0; list < sl->list_count; list++) {
2160 sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1];
2161 if(IS_DIRECT(sl->sub_mb_type[i])){
2162 fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2166 if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){
2167 const int sub_mb_type= sl->sub_mb_type[i];
2168 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2169 for(j=0; j<sub_partition_count[i]; j++){
2172 const int index= 4*i + block_width*j;
2173 int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
2174 uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
2175 pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
2176 DECODE_CABAC_MB_MVD(sl, list, index)
2177 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2179 if(IS_SUB_8X8(sub_mb_type)){
2181 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2183 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2186 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2188 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2189 }else if(IS_SUB_8X4(sub_mb_type)){
2190 mv_cache[ 1 ][0]= mx;
2191 mv_cache[ 1 ][1]= my;
2193 mvd_cache[ 1 ][0]= mpx;
2194 mvd_cache[ 1 ][1]= mpy;
2195 }else if(IS_SUB_4X8(sub_mb_type)){
2196 mv_cache[ 8 ][0]= mx;
2197 mv_cache[ 8 ][1]= my;
2199 mvd_cache[ 8 ][0]= mpx;
2200 mvd_cache[ 8 ][1]= mpy;
2202 mv_cache[ 0 ][0]= mx;
2203 mv_cache[ 0 ][1]= my;
2205 mvd_cache[ 0 ][0]= mpx;
2206 mvd_cache[ 0 ][1]= mpy;
2209 fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2210 fill_rectangle(sl->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2214 } else if( IS_DIRECT(mb_type) ) {
2215 ff_h264_pred_direct_motion(h, sl, &mb_type);
2216 fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2217 fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2218 dct8x8_allowed &= sps->direct_8x8_inference_flag;
2221 if(IS_16X16(mb_type)){
2222 for (list = 0; list < sl->list_count; list++) {
2223 if(IS_DIR(mb_type, 0, list)){
2225 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2227 ref= decode_cabac_mb_ref(sl, list, 0);
2229 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2234 fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2237 for (list = 0; list < sl->list_count; list++) {
2238 if(IS_DIR(mb_type, 0, list)){
2240 pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
2241 DECODE_CABAC_MB_MVD(sl, list, 0)
2242 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2244 fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2245 fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2249 else if(IS_16X8(mb_type)){
2250 for (list = 0; list < sl->list_count; list++) {
2252 if(IS_DIR(mb_type, i, list)){
2254 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2256 ref= decode_cabac_mb_ref(sl, list, 8 * i);
2258 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2263 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2265 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2268 for (list = 0; list < sl->list_count; list++) {
2270 if(IS_DIR(mb_type, i, list)){
2272 pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2273 DECODE_CABAC_MB_MVD(sl, list, 8*i)
2274 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2276 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2277 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2279 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2280 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2285 av_assert2(IS_8X16(mb_type));
2286 for (list = 0; list < sl->list_count; list++) {
2288 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2290 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2292 ref = decode_cabac_mb_ref(sl, list, 4 * i);
2294 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2299 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2301 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2304 for (list = 0; list < sl->list_count; list++) {
2306 if(IS_DIR(mb_type, i, list)){
2308 pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2309 DECODE_CABAC_MB_MVD(sl, list, 4*i)
2311 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2312 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2313 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2315 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2316 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2323 if( IS_INTER( mb_type ) ) {
2324 h->chroma_pred_mode_table[mb_xy] = 0;
2325 write_back_motion(h, sl, mb_type);
2328 if( !IS_INTRA16x16( mb_type ) ) {
2329 cbp = decode_cabac_mb_cbp_luma(sl);
2331 cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
2333 if (!decode_chroma && cbp>15) {
2334 av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n");
2335 return AVERROR_INVALIDDATA;
2339 h->cbp_table[mb_xy] = sl->cbp = cbp;
2341 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2342 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size]);
2345 /* It would be better to do this in fill_decode_caches, but we don't know
2346 * the transform mode of the current macroblock there. */
2347 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2349 uint8_t *nnz_cache = sl->non_zero_count_cache;
2350 if (h->x264_build < 151U) {
2351 for (i = 0; i < 2; i++){
2352 if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2353 nnz_cache[3+8* 1 + 2*8*i]=
2354 nnz_cache[3+8* 2 + 2*8*i]=
2355 nnz_cache[3+8* 6 + 2*8*i]=
2356 nnz_cache[3+8* 7 + 2*8*i]=
2357 nnz_cache[3+8*11 + 2*8*i]=
2358 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2361 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2362 uint32_t top_empty = !IS_INTRA(mb_type) ? 0 : 0x40404040;
2363 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2364 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2365 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2368 for (i = 0; i < 2; i++){
2369 if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2370 nnz_cache[3+8* 1 + 2*8*i]=
2371 nnz_cache[3+8* 2 + 2*8*i]=
2372 nnz_cache[3+8* 6 + 2*8*i]=
2373 nnz_cache[3+8* 7 + 2*8*i]=
2374 nnz_cache[3+8*11 + 2*8*i]=
2375 nnz_cache[3+8*12 + 2*8*i]= !IS_INTRA_PCM(sl->left_type[LEFT(i)]) ? 0 : 64;
2378 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2379 uint32_t top_empty = !IS_INTRA_PCM(sl->top_type) ? 0 : 0x40404040;
2380 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2381 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2382 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2386 h->cur_pic.mb_type[mb_xy] = mb_type;
2388 if( cbp || IS_INTRA16x16( mb_type ) ) {
2389 const uint8_t *scan, *scan8x8;
2390 const uint32_t *qmul;
2392 // decode_cabac_mb_dqp
2393 if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
2396 const int max_qp = 51 + 6*(sps->bit_depth_luma-8);
2398 while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) {
2401 if(val > 2*max_qp){ //prevent infinite loop
2402 av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", sl->mb_x, sl->mb_y);
2410 val= -((val + 1)>>1);
2411 sl->last_qscale_diff = val;
2413 if (((unsigned)sl->qscale) > max_qp){
2414 if (sl->qscale < 0) sl->qscale += max_qp + 1;
2415 else sl->qscale -= max_qp + 1;
2417 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2418 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2420 sl->last_qscale_diff=0;
2422 if(IS_INTERLACED(mb_type)){
2423 scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2424 scan = sl->qscale ? h->field_scan : h->field_scan_q0;
2426 scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2427 scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2430 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2432 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2433 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2434 } else if (CHROMA422(h)) {
2437 for (c = 0; c < 2; c++)
2438 decode_cabac_residual_dc_422(h, sl, sl->mb + ((256 + 16*16*c) << pixel_shift), 3,
2439 CHROMA_DC_BLOCK_INDEX + c,
2440 ff_h264_chroma422_dc_scan, 8);
2445 for( c = 0; c < 2; c++ ) {
2446 int16_t *mb = sl->mb + (16*(16 + 16*c) << pixel_shift);
2447 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2448 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2449 for (i = 0; i < 4; i++) {
2450 const int index = 16 + 16 * c + 8*i8x8 + i;
2451 decode_cabac_residual_nondc(h, sl, mb, 4, index, scan + 1, qmul, 15);
2452 mb += 16<<pixel_shift;
2457 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2458 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2460 } else /* yuv420 */ {
2463 for (c = 0; c < 2; c++)
2464 decode_cabac_residual_dc(h, sl, sl->mb + ((256 + 16 * 16 * c) << pixel_shift),
2465 3, CHROMA_DC_BLOCK_INDEX + c, ff_h264_chroma_dc_scan, 4);
2470 for( c = 0; c < 2; c++ ) {
2471 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2472 for( i = 0; i < 4; i++ ) {
2473 const int index = 16 + 16 * c + i;
2474 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2478 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2479 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2483 fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2484 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2485 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2486 sl->last_qscale_diff = 0;
2489 h->cur_pic.qscale_table[mb_xy] = sl->qscale;
2490 write_back_non_zero_count(h, sl);
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