FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/h264_cabac.c
Date: 2022-07-04 00:18:54
Exec Total Coverage
Lines: 627 644 97.4%
Branches: 514 542 94.8%
Line Branch Exec Source
1 /*
2 * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
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.
11 *
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.
16 *
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
20 */
21
22 /**
23 * @file
24 * H.264 / AVC / MPEG-4 part10 cabac decoding.
25 * @author Michael Niedermayer <michaelni@gmx.at>
26 */
27
28 #define CABAC(h) 1
29 #define UNCHECKED_BITSTREAM_READER 1
30 #define INT_BIT (CHAR_BIT * sizeof(int))
31
32 #include "libavutil/attributes.h"
33 #include "libavutil/avassert.h"
34 #include "config.h"
35 #include "cabac.h"
36 #include "cabac_functions.h"
37 #include "h264dec.h"
38 #include "h264data.h"
39 #include "h264_mvpred.h"
40 #include "mpegutils.h"
41
42 #if ARCH_X86
43 #include "x86/h264_cabac.c"
44 #elif ARCH_LOONGARCH64
45 #include "loongarch/h264_cabac.c"
46 #endif
47
48 /* Cabac pre state table */
49
50 static const int8_t cabac_context_init_I[1024][2] =
51 {
52 /* 0 - 10 */
53 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
54 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
55 { -6, 53 }, { -1, 54 }, { 7, 51 },
56
57 /* 11 - 23 unused for I */
58 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
59 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
60 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
61 { 0, 0 },
62
63 /* 24- 39 */
64 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
65 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
66 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
67 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
68
69 /* 40 - 53 */
70 { 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 },
74
75 /* 54 - 59 */
76 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
77 { 0, 0 }, { 0, 0 },
78
79 /* 60 - 69 */
80 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
81 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
82 { 13, 41 }, { 3, 62 },
83
84 /* 70 -> 87 */
85 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
86 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
87 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
88 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
89 { -12, 115 },{ -16, 122 },
90
91 /* 88 -> 104 */
92 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
93 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
94 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
95 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
96 { -22, 125 },
97
98 /* 105 -> 135 */
99 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
100 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
101 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
102 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
103 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
104 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
105 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
106 { 14, 62 }, { -13, 108 },{ -15, 100 },
107
108 /* 136 -> 165 */
109 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
110 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
111 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
112 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
113 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
114 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
115 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
116 { 0, 62 }, { 12, 72 },
117
118 /* 166 -> 196 */
119 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
120 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
121 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
122 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
123 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
124 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
125 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
126 { 0, 89 }, { 26, -19 }, { 22, -17 },
127
128 /* 197 -> 226 */
129 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
130 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
131 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
132 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
133 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
134 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
135 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
136 { 12, 68 }, { 2, 97 },
137
138 /* 227 -> 251 */
139 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
140 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
141 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
142 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
143 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
144 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
145 { -4, 65 },
146
147 /* 252 -> 275 */
148 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
149 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
150 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
151 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
152 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
153 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
154
155 /* 276 a bit special (not used, bypass is used instead) */
156 { 0, 0 },
157
158 /* 277 -> 307 */
159 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
160 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
161 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
162 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
163 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
164 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
165 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
166 { 9, 64 }, { -12, 104 },{ -11, 97 },
167
168 /* 308 -> 337 */
169 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
170 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
171 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
172 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
173 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
174 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
175 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
176 { 5, 64 }, { 12, 70 },
177
178 /* 338 -> 368 */
179 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
180 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
181 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
182 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
183 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
184 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
185 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
186 { -12, 109 },{ 36, -35 }, { 36, -34 },
187
188 /* 369 -> 398 */
189 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
190 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
191 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
192 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
193 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
194 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
195 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
196 { 29, 39 }, { 19, 66 },
197
198 /* 399 -> 435 */
199 { 31, 21 }, { 31, 31 }, { 25, 50 },
200 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
201 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
202 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
203 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
204 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
205 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
206 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
207 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
208 { 0, 68 }, { -9, 92 },
209
210 /* 436 -> 459 */
211 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
212 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
213 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
214 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
215 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
216 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
217
218 /* 460 -> 1024 */
219 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
220 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
221 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
222 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
223 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
224 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
225 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
226 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
227 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
228 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
229 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
230 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
231 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
232 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
233 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
234 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
235 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
236 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
237 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
238 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
239 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
240 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
241 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
242 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
243 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
244 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
245 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
246 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
247 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
248 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
249 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
250 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
251 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
252 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
253 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
254 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
255 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
256 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
257 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
258 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
259 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
260 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
261 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
262 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
263 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
264 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
265 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
266 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
267 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
268 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
269 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
270 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
271 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
272 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
273 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
274 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
275 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
276 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
277 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
278 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
279 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
280 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
281 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
282 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
283 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
284 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
285 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
286 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
287 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
288 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
289 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
290 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
291 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
292 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
293 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
294 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
295 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
296 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
297 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
298 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
299 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
300 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
301 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
302 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
303 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
304 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
305 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
306 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
307 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
308 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
309 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
310 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
311 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
312 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
313 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
314 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
315 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
316 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
317 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
318 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
319 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
320 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
321 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
322 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
323 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
324 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
325 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
326 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
327 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
328 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
329 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
330 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
331 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
332 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
333 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
334 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
335 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
336 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
337 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
338 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
339 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
340 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
341 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
342 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
343 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
344 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
345 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
346 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
347 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
348 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
349 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
350 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
351 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
352 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
353 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
354 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
355 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
356 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
357 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
358 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
359 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
360 };
361
362 static const int8_t cabac_context_init_PB[3][1024][2] =
363 {
364 /* i_cabac_init_idc == 0 */
365 {
366 /* 0 - 10 */
367 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
368 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
369 { -6, 53 }, { -1, 54 }, { 7, 51 },
370
371 /* 11 - 23 */
372 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
373 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
374 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
375 { 17, 50 },
376
377 /* 24 - 39 */
378 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
379 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
380 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
381 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
382
383 /* 40 - 53 */
384 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
385 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
386 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
387 { -3, 81 }, { 0, 88 },
388
389 /* 54 - 59 */
390 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
391 { -7, 72 }, { 1, 58 },
392
393 /* 60 - 69 */
394 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
395 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
396 { 13, 41 }, { 3, 62 },
397
398 /* 70 - 87 */
399 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
400 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
401 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
402 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
403 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
404 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
405 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
406 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
407 { 0, 68 }, { -4, 69 }, { -8, 88 },
408
409 /* 105 -> 165 */
410 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
411 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
412 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
413 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
414 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
415 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
416 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
417 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
418 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
419 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
420 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
421 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
422 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
423 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
424 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
425 { 9, 69 },
426
427 /* 166 - 226 */
428 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
429 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
430 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
431 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
432 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
433 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
434 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
435 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
436 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
437 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
438 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
439 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
440 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
441 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
442 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
443 { -9, 108 },
444
445 /* 227 - 275 */
446 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
447 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
448 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
449 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
450 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
451 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
452 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
453 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
454 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
455 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
456 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
457 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
458 { -8, 85 },
459
460 /* 276 a bit special (not used, bypass is used instead) */
461 { 0, 0 },
462
463 /* 277 - 337 */
464 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
465 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
466 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
467 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
468 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
469 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
470 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
471 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
472 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
473 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
474 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
475 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
476 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
477 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
478 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
479 { 26, 43 },
480
481 /* 338 - 398 */
482 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
483 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
484 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
485 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
486 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
487 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
488 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
489 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
490 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
491 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
492 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
493 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
494 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
495 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
496 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
497 { 11, 86 },
498
499 /* 399 - 435 */
500 { 12, 40 }, { 11, 51 }, { 14, 59 },
501 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
502 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
503 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
504 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
505 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
506 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
507 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
508 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
509 { -8, 66 }, { -8, 76 },
510
511 /* 436 - 459 */
512 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
513 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
514 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
515 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
516 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
517 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
518
519 /* 460 - 1024 */
520 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
521 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
522 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
523 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
524 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
525 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
526 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
527 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
528 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
529 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
530 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
531 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
532 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
533 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
534 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
535 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
536 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
537 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
538 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
539 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
540 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
541 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
542 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
543 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
544 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
545 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
546 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
547 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
548 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
549 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
550 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
551 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
552 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
553 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
554 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
555 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
556 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
557 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
558 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
559 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
560 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
561 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
562 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
563 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
564 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
565 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
566 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
567 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
568 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
569 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
570 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
571 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
572 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
573 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
574 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
575 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
576 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
577 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
578 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
579 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
580 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
581 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
582 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
583 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
584 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
585 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
586 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
587 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
588 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
589 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
590 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
591 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
592 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
593 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
594 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
595 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
596 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
597 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
598 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
599 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
600 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
601 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
602 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
603 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
604 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
605 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
606 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
607 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
608 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
609 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
610 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
611 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
612 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
613 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
614 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
615 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
616 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
617 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
618 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
619 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
620 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
621 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
622 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
623 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
624 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
625 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
626 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
627 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
628 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
629 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
630 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
631 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
632 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
633 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
634 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
635 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
636 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
637 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
638 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
639 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
640 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
641 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
642 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
643 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
644 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
645 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
646 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
647 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
648 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
649 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
650 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
651 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
652 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
653 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
654 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
655 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
656 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
657 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
658 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
659 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
660 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
661 },
662
663 /* i_cabac_init_idc == 1 */
664 {
665 /* 0 - 10 */
666 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
667 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
668 { -6, 53 }, { -1, 54 }, { 7, 51 },
669
670 /* 11 - 23 */
671 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
672 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
673 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
674 { 10, 54 },
675
676 /* 24 - 39 */
677 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
678 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
679 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
680 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
681
682 /* 40 - 53 */
683 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
684 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
685 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
686 { -7, 86 },{ -5, 95 },
687
688 /* 54 - 59 */
689 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
690 { -5, 72 },{ 0, 61 },
691
692 /* 60 - 69 */
693 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
694 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
695 { 13, 41 }, { 3, 62 },
696
697 /* 70 - 104 */
698 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
699 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
700 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
701 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
702 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
703 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
704 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
705 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
706 { 0, 68 }, { -7, 74 }, { -9, 88 },
707
708 /* 105 -> 165 */
709 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
710 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
711 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
712 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
713 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
714 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
715 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
716 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
717 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
718 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
719 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
720 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
721 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
722 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
723 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
724 { 0, 89 },
725
726 /* 166 - 226 */
727 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
728 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
729 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
730 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
731 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
732 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
733 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
734 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
735 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
736 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
737 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
738 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
739 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
740 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
741 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
742 { -10, 116 },
743
744 /* 227 - 275 */
745 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
746 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
747 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
748 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
749 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
750 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
751 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
752 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
753 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
754 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
755 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
756 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
757 { -4, 78 },
758
759 /* 276 a bit special (not used, bypass is used instead) */
760 { 0, 0 },
761
762 /* 277 - 337 */
763 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
764 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
765 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
766 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
767 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
768 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
769 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
770 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
771 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
772 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
773 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
774 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
775 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
776 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
777 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
778 { 18, 50 },
779
780 /* 338 - 398 */
781 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
782 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
783 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
784 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
785 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
786 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
787 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
788 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
789 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
790 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
791 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
792 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
793 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
794 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
795 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
796 { 11, 83 },
797
798 /* 399 - 435 */
799 { 25, 32 }, { 21, 49 }, { 21, 54 },
800 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
801 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
802 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
803 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
804 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
805 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
806 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
807 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
808 { -4, 67 }, { -7, 82 },
809
810 /* 436 - 459 */
811 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
812 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
813 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
814 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
815 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
816 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
817
818 /* 460 - 1024 */
819 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
820 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
821 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
822 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
823 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
824 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
825 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
826 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
827 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
828 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
829 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
830 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
831 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
832 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
833 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
834 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
835 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
836 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
837 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
838 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
839 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
840 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
841 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
842 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
843 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
844 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
845 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
846 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
847 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
848 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
849 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
850 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
851 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
852 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
853 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
854 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
855 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
856 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
857 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
858 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
859 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
860 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
861 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
862 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
863 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
864 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
865 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
866 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
867 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
868 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
869 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
870 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
871 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
872 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
873 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
874 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
875 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
876 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
877 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
878 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
879 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
880 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
881 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
882 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
883 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
884 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
885 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
886 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
887 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
888 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
889 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
890 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
891 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
892 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
893 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
894 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
895 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
896 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
897 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
898 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
899 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
900 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
901 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
902 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
903 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
904 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
905 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
906 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
907 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
908 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
909 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
910 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
911 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
912 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
913 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
914 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
915 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
916 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
917 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
918 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
919 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
920 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
921 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
922 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
923 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
924 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
925 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
926 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
927 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
928 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
929 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
930 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
931 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
932 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
933 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
934 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
935 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
936 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
937 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
938 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
939 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
940 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
941 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
942 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
943 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
944 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
945 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
946 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
947 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
948 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
949 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
950 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
951 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
952 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
953 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
954 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
955 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
956 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
957 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
958 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
959 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
960 },
961
962 /* i_cabac_init_idc == 2 */
963 {
964 /* 0 - 10 */
965 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
966 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
967 { -6, 53 }, { -1, 54 }, { 7, 51 },
968
969 /* 11 - 23 */
970 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
971 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
972 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
973 { 14, 57 },
974
975 /* 24 - 39 */
976 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
977 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
978 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
979 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
980
981 /* 40 - 53 */
982 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
983 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
984 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
985 { -3, 90 },{ -1, 101 },
986
987 /* 54 - 59 */
988 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
989 { -7, 50 },{ 1, 60 },
990
991 /* 60 - 69 */
992 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
993 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
994 { 13, 41 }, { 3, 62 },
995
996 /* 70 - 104 */
997 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
998 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
999 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
1000 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
1001 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1002 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1003 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1004 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1005 { 3, 68 }, { -8, 71 }, { -13, 98 },
1006
1007 /* 105 -> 165 */
1008 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1009 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1010 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1011 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1012 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1013 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1014 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1015 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1016 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1017 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1018 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1019 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1020 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1021 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1022 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1023 { -22, 127 },
1024
1025 /* 166 - 226 */
1026 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1027 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1028 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1029 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1030 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1031 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1032 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1033 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1034 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1035 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1036 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1037 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1038 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1039 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1040 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1041 { -24, 127 },
1042
1043 /* 227 - 275 */
1044 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1045 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1046 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1047 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1048 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1049 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1050 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1051 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1052 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1053 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1054 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1055 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1056 { -10, 87 },
1057
1058 /* 276 a bit special (not used, bypass is used instead) */
1059 { 0, 0 },
1060
1061 /* 277 - 337 */
1062 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1063 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1064 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1065 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1066 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1067 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1068 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1069 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1070 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1071 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1072 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1073 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1074 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1075 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1076 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1077 { 25, 42 },
1078
1079 /* 338 - 398 */
1080 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1081 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1082 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1083 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1084 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1085 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1086 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1087 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1088 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1089 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1090 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1091 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1092 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1093 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1094 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1095 { 25, 61 },
1096
1097 /* 399 - 435 */
1098 { 21, 33 }, { 19, 50 }, { 17, 61 },
1099 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1100 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1101 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1102 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1103 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1104 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1105 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1106 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1107 { -6, 68 }, { -10, 79 },
1108
1109 /* 436 - 459 */
1110 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1111 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1112 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1113 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1114 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1115 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1116
1117 /* 460 - 1024 */
1118 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1119 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1120 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1121 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1122 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1123 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1124 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1125 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1126 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1127 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1128 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1129 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1130 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1131 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1132 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1133 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1134 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1135 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1136 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1137 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1138 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1139 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1140 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1141 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1142 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1143 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1144 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1145 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1146 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1147 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1148 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1149 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1150 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1151 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1152 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1153 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1154 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1155 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1156 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1157 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1158 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1159 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1160 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1161 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1162 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1163 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1164 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1165 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1166 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1167 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1168 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1169 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1170 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1171 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1172 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1173 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1174 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1175 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1176 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1177 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1178 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1179 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1180 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1181 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1182 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1183 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1184 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1185 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1186 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1187 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1188 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1189 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1190 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1191 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1192 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1193 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1194 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1195 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1196 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1197 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1198 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1199 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1200 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1201 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1202 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1203 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1204 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1205 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1206 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1207 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1208 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1209 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1210 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1211 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1212 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1213 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1214 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1215 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1216 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1217 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1218 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1219 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1220 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1221 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1222 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1223 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1224 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1225 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1226 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1227 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1228 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1229 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1230 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1231 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1232 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1233 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1234 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1235 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1236 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1237 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1238 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1239 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1240 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1241 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1242 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1243 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1244 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1245 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1246 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1247 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1248 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1249 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1250 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1251 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1252 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1253 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1254 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1255 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1256 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1257 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1258 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1259 }
1260 };
1261
1262 18371 void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl)
1263 {
1264 int i;
1265 const int8_t (*tab)[2];
1266 18371 const int slice_qp = av_clip(sl->qscale - 6*(h->ps.sps->bit_depth_luma-8), 0, 51);
1267
1268
2/2
✓ Branch 0 taken 2457 times.
✓ Branch 1 taken 15914 times.
 18371 if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
1269 15914 else tab = cabac_context_init_PB[sl->cabac_init_idc];
1270
1271 /* calculate pre-state */
1272
2/2
✓ Branch 0 taken 18811904 times.
✓ Branch 1 taken 18371 times.
 18830275 for( i= 0; i < 1024; i++ ) {
1273 18811904 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1274
1275 18811904 pre^= pre>>31;
1276
2/2
✓ Branch 0 taken 341061 times.
✓ Branch 1 taken 18470843 times.
 18811904 if(pre > 124)
1277 341061 pre= 124 + (pre&1);
1278
1279 18811904 sl->cabac_state[i] = pre;
1280 }
1281 18371 }
1282
1283 3909245 static av_always_inline uint16_t pack8to16(unsigned a, unsigned b)
1284 {
1285 #if HAVE_BIGENDIAN
1286 return (b & 0xFF) + (a << 8);
1287 #else
1288 3909245 return (a & 0xFF) + (b << 8);
1289 #endif
1290 }
1291
1292 727349 static int decode_cabac_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
1293 {
1294 727349 const int mbb_xy = sl->mb_xy - 2*h->mb_stride;
1295
1296 727349 unsigned long ctx = 0;
1297
1298 727349 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);
1299 727349 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == sl->slice_num);
1300
1301 727349 return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] );
1302 }
1303
1304 2448229 static int decode_cabac_intra_mb_type(H264SliceContext *sl,
1305 int ctx_base, int intra_slice)
1306 {
1307 2448229 uint8_t *state= &sl->cabac_state[ctx_base];
1308 int mb_type;
1309
1310
2/2
✓ Branch 0 taken 1519608 times.
✓ Branch 1 taken 928621 times.
 2448229 if(intra_slice){
1311 1519608 int ctx=0;
1312
2/2
✓ Branch 0 taken 331759 times.
✓ Branch 1 taken 1187849 times.
 1519608 if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1313 331759 ctx++;
1314
2/2
✓ Branch 0 taken 321209 times.
✓ Branch 1 taken 1198399 times.
 1519608 if (sl->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1315 321209 ctx++;
1316
2/2
✓ Branch 1 taken 1180456 times.
✓ Branch 2 taken 339152 times.
 1519608 if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 )
1317 1180456 return 0; /* I4x4 */
1318 339152 state += 2;
1319 }else{
1320
2/2
✓ Branch 1 taken 617872 times.
✓ Branch 2 taken 310749 times.
 928621 if( get_cabac_noinline( &sl->cabac, state ) == 0 )
1321 617872 return 0; /* I4x4 */
1322 }
1323
1324
2/2
✓ Branch 1 taken 5659 times.
✓ Branch 2 taken 644242 times.
 649901 if( get_cabac_terminate( &sl->cabac ) )
1325 5659 return 25; /* PCM */
1326
1327 644242 mb_type = 1; /* I16x16 */
1328 644242 mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */
1329
2/2
✓ Branch 1 taken 268812 times.
✓ Branch 2 taken 375430 times.
 644242 if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */
1330 268812 mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] );
1331 644242 mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] );
1332 644242 mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] );
1333 644242 return mb_type;
1334 }
1335
1336 7848311 static int decode_cabac_mb_skip(const H264Context *h, H264SliceContext *sl,
1337 int mb_x, int mb_y)
1338 {
1339 int mba_xy, mbb_xy;
1340 7848311 int ctx = 0;
1341
1342
2/2
✓ Branch 0 taken 1193460 times.
✓ Branch 1 taken 6654851 times.
 7848311 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1343 1193460 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1344 1193460 mba_xy = mb_xy - 1;
1345
2/2
✓ Branch 0 taken 596730 times.
✓ Branch 1 taken 596730 times.
 1193460 if( (mb_y&1)
1346
2/2
✓ Branch 0 taken 579650 times.
✓ Branch 1 taken 17080 times.
 596730 && h->slice_table[mba_xy] == sl->slice_num
1347
2/2
✓ Branch 0 taken 462647 times.
✓ Branch 1 taken 117003 times.
 579650 && MB_FIELD(sl) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1348 462647 mba_xy += h->mb_stride;
1349
2/2
✓ Branch 0 taken 337439 times.
✓ Branch 1 taken 856021 times.
 1193460 if (MB_FIELD(sl)) {
1350 337439 mbb_xy = mb_xy - h->mb_stride;
1351
2/2
✓ Branch 0 taken 168369 times.
✓ Branch 1 taken 169070 times.
 337439 if( !(mb_y&1)
1352
2/2
✓ Branch 0 taken 150789 times.
✓ Branch 1 taken 17580 times.
 168369 && h->slice_table[mbb_xy] == sl->slice_num
1353
2/2
✓ Branch 0 taken 77422 times.
✓ Branch 1 taken 73367 times.
 150789 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1354 77422 mbb_xy -= h->mb_stride;
1355 }else
1356 856021 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1357 }else{
1358 6654851 int mb_xy = sl->mb_xy;
1359 6654851 mba_xy = mb_xy - 1;
1360 6654851 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1361 }
1362
1363
4/4
✓ Branch 0 taken 7648770 times.
✓ Branch 1 taken 199541 times.
✓ Branch 2 taken 5013687 times.
✓ Branch 3 taken 2635083 times.
 7848311 if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1364 5013687 ctx++;
1365
4/4
✓ Branch 0 taken 7252201 times.
✓ Branch 1 taken 596110 times.
✓ Branch 2 taken 4795167 times.
✓ Branch 3 taken 2457034 times.
 7848311 if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1366 4795167 ctx++;
1367
1368
2/2
✓ Branch 0 taken 4576038 times.
✓ Branch 1 taken 3272273 times.
 7848311 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1369 4576038 ctx += 13;
1370 7848311 return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
1371 }
1372
1373 17145620 static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
1374 {
1375 17145620 int mode = 0;
1376
1377
2/2
✓ Branch 1 taken 9330341 times.
✓ Branch 2 taken 7815279 times.
 17145620 if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) )
1378 9330341 return pred_mode;
1379
1380 7815279 mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1381 7815279 mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1382 7815279 mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1383
1384 7815279 return mode + ( mode >= pred_mode );
1385 }
1386
1387 2348933 static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl)
1388 {
1389 2348933 const int mba_xy = sl->left_mb_xy[0];
1390 2348933 const int mbb_xy = sl->top_mb_xy;
1391
1392 2348933 int ctx = 0;
1393
1394 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1395
4/4
✓ Branch 0 taken 2301867 times.
✓ Branch 1 taken 47066 times.
✓ Branch 2 taken 864992 times.
✓ Branch 3 taken 1436875 times.
 2348933 if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0)
1396 864992 ctx++;
1397
1398
4/4
✓ Branch 0 taken 2190541 times.
✓ Branch 1 taken 158392 times.
✓ Branch 2 taken 787479 times.
✓ Branch 3 taken 1403062 times.
 2348933 if (sl->top_type && h->chroma_pred_mode_table[mbb_xy] != 0)
1399 787479 ctx++;
1400
1401
2/2
✓ Branch 1 taken 1311291 times.
✓ Branch 2 taken 1037642 times.
 2348933 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 )
1402 1311291 return 0;
1403
1404
2/2
✓ Branch 1 taken 571922 times.
✓ Branch 2 taken 465720 times.
 1037642 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1405 571922 return 1;
1406
2/2
✓ Branch 1 taken 266846 times.
✓ Branch 2 taken 198874 times.
 465720 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1407 266846 return 2;
1408 else
1409 198874 return 3;
1410 }
1411
1412 6032030 static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
1413 {
1414 6032030 int cbp_b, cbp_a, ctx, cbp = 0;
1415
1416 6032030 cbp_a = sl->left_cbp;
1417 6032030 cbp_b = sl->top_cbp;
1418
1419
2/2
✓ Branch 0 taken 2450594 times.
✓ Branch 1 taken 3581436 times.
 6032030 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1420 6032030 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
1421
2/2
✓ Branch 0 taken 2434545 times.
✓ Branch 1 taken 3597485 times.
 6032030 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1422 6032030 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1;
1423
2/2
✓ Branch 0 taken 2529746 times.
✓ Branch 1 taken 3502284 times.
 6032030 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1424 6032030 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2;
1425
2/2
✓ Branch 0 taken 2511076 times.
✓ Branch 1 taken 3520954 times.
 6032030 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1426 6032030 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
1427 6032030 return cbp;
1428 }
1429 5843260 static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
1430 {
1431 int ctx;
1432 int cbp_a, cbp_b;
1433
1434 5843260 cbp_a = (sl->left_cbp>>4)&0x03;
1435 5843260 cbp_b = (sl-> top_cbp>>4)&0x03;
1436
1437 5843260 ctx = 0;
1438
2/2
✓ Branch 0 taken 2554992 times.
✓ Branch 1 taken 3288268 times.
 5843260 if( cbp_a > 0 ) ctx++;
1439
2/2
✓ Branch 0 taken 2420755 times.
✓ Branch 1 taken 3422505 times.
 5843260 if( cbp_b > 0 ) ctx += 2;
1440
2/2
✓ Branch 1 taken 3121838 times.
✓ Branch 2 taken 2721422 times.
 5843260 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 )
1441 3121838 return 0;
1442
1443 2721422 ctx = 4;
1444
2/2
✓ Branch 0 taken 1280079 times.
✓ Branch 1 taken 1441343 times.
 2721422 if( cbp_a == 2 ) ctx++;
1445
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 2721422 if( cbp_b == 2 ) ctx += 2;
1446 2721422 return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
1447 }
1448
1449 1939904 static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
1450 {
1451
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 1939904 if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
1452 728937 return 0; /* 8x8 */
1453
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 1210967 if( !get_cabac( &sl->cabac, &sl->cabac_state[22] ) )
1454 194357 return 1; /* 8x4 */
1455
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 1016610 if( get_cabac( &sl->cabac, &sl->cabac_state[23] ) )
1456 150043 return 2; /* 4x8 */
1457 866567 return 3; /* 4x4 */
1458 }
1459 1561660 static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
1460 {
1461 int type;
1462
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 1561660 if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
1463 147850 return 0; /* B_Direct_8x8 */
1464
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 1413810 if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) )
1465 285228 return 1 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1466 1128582 type = 3;
1467
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 1128582 if( get_cabac( &sl->cabac, &sl->cabac_state[38] ) ) {
1468
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 871434 if( get_cabac( &sl->cabac, &sl->cabac_state[39] ) )
1469 10447 return 11 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1470 860987 type += 4;
1471 }
1472 1118135 type += 2*get_cabac( &sl->cabac, &sl->cabac_state[39] );
1473 1118135 type += get_cabac( &sl->cabac, &sl->cabac_state[39] );
1474 1118135 return type;
1475 }
1476
1477 5382097 static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n)
1478 {
1479 5382097 int refa = sl->ref_cache[list][scan8[n] - 1];
1480 5382097 int refb = sl->ref_cache[list][scan8[n] - 8];
1481 5382097 int ref = 0;
1482 5382097 int ctx = 0;
1483
1484
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 5382097 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1485
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 2392728 if( refa > 0 && !(sl->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1486 679138 ctx++;
1487
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 2392728 if( refb > 0 && !(sl->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1488 637096 ctx += 2;
1489 } else {
1490
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 2989369 if( refa > 0 )
1491 1017117 ctx++;
1492
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 2989369 if( refb > 0 )
1493 989679 ctx += 2;
1494 }
1495
1496
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 8372464 while( get_cabac( &sl->cabac, &sl->cabac_state[54+ctx] ) ) {
1497 2990367 ref++;
1498 2990367 ctx = (ctx>>2)+4;
1499
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 2990367 if(ref >= 32 /*h->ref_list[list]*/){
1500 ✗ return -1;
1501 }
1502 }
1503 5382097 return ref;
1504 }
1505
1506 26105228 static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
1507 {
1508 int mvd;
1509
1510
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 26105228 if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1511 // if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1512 15568706 *mvda= 0;
1513 15568706 return 0;
1514 }
1515
1516 10536522 mvd= 1;
1517 10536522 ctxbase+= 3;
1518
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 51348309 while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) {
1519
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 40811787 if( mvd < 4 )
1520 19870156 ctxbase++;
1521 40811787 mvd++;
1522 }
1523
1524
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 10536522 if( mvd >= 9 ) {
1525 3535740 int k = 3;
1526
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 7426177 while( get_cabac_bypass( &sl->cabac ) ) {
1527 3890437 mvd += 1 << k;
1528 3890437 k++;
1529
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 3890437 if(k>24){
1530 ✗ av_log(sl->h264->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1531 ✗ return INT_MIN;
1532 }
1533 }
1534
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 18033397 while( k-- ) {
1535 14497657 mvd += get_cabac_bypass( &sl->cabac )<<k;
1536 }
1537 3535740 *mvda=mvd < 70 ? mvd : 70;
1538 }else
1539 7000782 *mvda=mvd;
1540 10536522 return get_cabac_bypass_sign( &sl->cabac, -mvd );
1541 }
1542
1543 #define DECODE_CABAC_MB_MVD(sl, list, n )\
1544 {\
1545 int amvd0 = sl->mvd_cache[list][scan8[n] - 1][0] +\
1546 sl->mvd_cache[list][scan8[n] - 8][0];\
1547 int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\
1548 sl->mvd_cache[list][scan8[n] - 8][1];\
1549 \
1550 int mxd = decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\
1551 int myd = decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\
1552 if (mxd == INT_MIN || myd == INT_MIN) \
1553 return AVERROR_INVALIDDATA; \
1554 mx += mxd;\
1555 my += myd;\
1556 }
1557
1558 65351931 static av_always_inline int get_cabac_cbf_ctx(H264SliceContext *sl,
1559 int cat, int idx, int max_coeff,
1560 int is_dc)
1561 {
1562 int nza, nzb;
1563 65351931 int ctx = 0;
1564 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1565
1566
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 65351931 if( is_dc ) {
1567
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 6631465 if( cat == 3 ) {
1568 5980466 idx -= CHROMA_DC_BLOCK_INDEX;
1569 5980466 nza = (sl->left_cbp>>(6+idx))&0x01;
1570 5980466 nzb = (sl-> top_cbp>>(6+idx))&0x01;
1571 } else {
1572 650999 idx -= LUMA_DC_BLOCK_INDEX;
1573 650999 nza = sl->left_cbp&(0x100<<idx);
1574 650999 nzb = sl-> top_cbp&(0x100<<idx);
1575 }
1576 } else {
1577 58720466 nza = sl->non_zero_count_cache[scan8[idx] - 1];
1578 58720466 nzb = sl->non_zero_count_cache[scan8[idx] - 8];
1579 }
1580
1581
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 65351931 if( nza > 0 )
1582 36208018 ctx++;
1583
1584
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 65351931 if( nzb > 0 )
1585 35994238 ctx += 2;
1586
1587 65351931 return base_ctx[cat] + ctx;
1588 }
1589
1590 static av_always_inline void
1591 44438582 decode_cabac_residual_internal(const H264Context *h, H264SliceContext *sl,
1592 int16_t *block,
1593 int cat, int n, const uint8_t *scantable,
1594 const uint32_t *qmul, int max_coeff,
1595 int is_dc, int chroma422)
1596 {
1597 static const int significant_coeff_flag_offset[2][14] = {
1598 { 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 },
1599 { 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 }
1600 };
1601 static const int last_coeff_flag_offset[2][14] = {
1602 { 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 },
1603 { 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 }
1604 };
1605 static const int coeff_abs_level_m1_offset[14] = {
1606 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
1607 };
1608 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1609 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1610 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1611 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1612 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1613 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1614 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1615 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1616 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1617 };
1618 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1619 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1620 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1621 * map node ctx => cabac ctx for level=1 */
1622 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1623 /* map node ctx => cabac ctx for level>1 */
1624 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1625 { 5, 5, 5, 5, 6, 7, 8, 9 },
1626 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1627 };
1628 static const uint8_t coeff_abs_level_transition[2][8] = {
1629 /* update node ctx after decoding a level=1 */
1630 { 1, 2, 3, 3, 4, 5, 6, 7 },
1631 /* update node ctx after decoding a level>1 */
1632 { 4, 4, 4, 4, 5, 6, 7, 7 }
1633 };
1634
1635 int index[64];
1636
1637 int last;
1638 44438582 int coeff_count = 0;
1639 44438582 int node_ctx = 0;
1640
1641 uint8_t *significant_coeff_ctx_base;
1642 uint8_t *last_coeff_ctx_base;
1643 uint8_t *abs_level_m1_ctx_base;
1644
1645 #if !ARCH_X86
1646 #define CABAC_ON_STACK
1647 #endif
1648 #ifdef CABAC_ON_STACK
1649 #define CC &cc
1650 CABACContext cc;
1651 cc.range = sl->cabac.range;
1652 cc.low = sl->cabac.low;
1653 cc.bytestream= sl->cabac.bytestream;
1654 #if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64
1655 cc.bytestream_end = sl->cabac.bytestream_end;
1656 #endif
1657 #else
1658 #define CC &sl->cabac
1659 #endif
1660
1661 44438582 significant_coeff_ctx_base = sl->cabac_state
1662 44438582 + significant_coeff_flag_offset[MB_FIELD(sl)][cat];
1663 44438582 last_coeff_ctx_base = sl->cabac_state
1664 44438582 + last_coeff_flag_offset[MB_FIELD(sl)][cat];
1665 44438582 abs_level_m1_ctx_base = sl->cabac_state
1666 44438582 + coeff_abs_level_m1_offset[cat];
1667
1668
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 49580045 if( !is_dc && max_coeff == 64 ) {
1669 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1670 for(last= 0; last < coefs; last++) { \
1671 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1672 if( get_cabac( CC, sig_ctx )) { \
1673 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1674 index[coeff_count++] = last; \
1675 if( get_cabac( CC, last_ctx ) ) { \
1676 last= max_coeff; \
1677 break; \
1678 } \
1679 } \
1680 }\
1681 if( last == max_coeff -1 ) {\
1682 index[coeff_count++] = last;\
1683 }
1684 5141463 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)];
1685 #ifdef decode_significance
1686 5141463 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1687 last_coeff_ctx_base, sig_off);
1688 } else {
1689
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 39297119 if (is_dc && chroma422) { // dc 422
1690
8/8
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 3532913 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1691 } else {
1692 38642917 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1693 last_coeff_ctx_base-significant_coeff_ctx_base);
1694 }
1695 #else
1696 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1697 } else {
1698 if (is_dc && chroma422) { // dc 422
1699 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1700 } else {
1701 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1702 }
1703 #endif
1704 }
1705 av_assert2(coeff_count > 0);
1706
1707
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 44438582 if( is_dc ) {
1708
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 4639379 if( cat == 3 )
1709 4191199 h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1710 else
1711 448180 h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1712 4639379 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1713 } else {
1714
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 39799203 if( max_coeff == 64 )
1715 5141463 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1716 else {
1717 av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1718 34657740 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1719 }
1720 }
1721
1722 #define STORE_BLOCK(type) \
1723 do { \
1724 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1725 \
1726 int j= scantable[index[--coeff_count]]; \
1727 \
1728 if( get_cabac( CC, ctx ) == 0 ) { \
1729 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1730 if( is_dc ) { \
1731 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1732 }else{ \
1733 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1734 } \
1735 } else { \
1736 unsigned coeff_abs = 2; \
1737 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1738 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1739 \
1740 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1741 coeff_abs++; \
1742 } \
1743 \
1744 if( coeff_abs >= 15 ) { \
1745 int j = 0; \
1746 while (get_cabac_bypass(CC) && j < 16+7) { \
1747 j++; \
1748 } \
1749 \
1750 coeff_abs=1; \
1751 while( j-- ) { \
1752 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1753 } \
1754 coeff_abs+= 14U; \
1755 } \
1756 \
1757 if( is_dc ) { \
1758 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1759 }else{ \
1760 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1761 } \
1762 } \
1763 } while ( coeff_count );
1764
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 44438582 if (h->pixel_shift) {
1766
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 71561124 STORE_BLOCK(int32_t)
1767 } else {
1768
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 212015705 STORE_BLOCK(int16_t)
1769 }
1770 #ifdef CABAC_ON_STACK
1771 sl->cabac.range = cc.range ;
1772 sl->cabac.low = cc.low ;
1773 sl->cabac.bytestream= cc.bytestream;
1774 #endif
1775
1776 44438582 }
1777
1778 3985177 static av_noinline void decode_cabac_residual_dc_internal(const H264Context *h,
1779 H264SliceContext *sl,
1780 int16_t *block,
1781 int cat, int n,
1782 const uint8_t *scantable,
1783 int max_coeff)
1784 {
1785 3985177 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1786 3985177 }
1787
1788 654202 static av_noinline void decode_cabac_residual_dc_internal_422(const H264Context *h,
1789 H264SliceContext *sl,
1790 int16_t *block,
1791 int cat, int n,
1792 const uint8_t *scantable,
1793 int max_coeff)
1794 {
1795 654202 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1796 654202 }
1797
1798 39799203 static av_noinline void decode_cabac_residual_nondc_internal(const H264Context *h,
1799 H264SliceContext *sl,
1800 int16_t *block,
1801 int cat, int n,
1802 const uint8_t *scantable,
1803 const uint32_t *qmul,
1804 int max_coeff)
1805 {
1806 39799203 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1807 39799203 }
1808
1809 /* cat: 0-> DC 16x16 n = 0
1810 * 1-> AC 16x16 n = luma4x4idx
1811 * 2-> Luma4x4 n = luma4x4idx
1812 * 3-> DC Chroma n = iCbCr
1813 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1814 * 5-> Luma8x8 n = 4 * luma8x8idx */
1815
1816 /* Partially inline the CABAC residual decode: inline the coded block flag.
1817 * This has very little impact on binary size and improves performance
1818 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1819 * as well as because most blocks have zero CBFs. */
1820
1821 5860457 static av_always_inline void decode_cabac_residual_dc(const H264Context *h,
1822 H264SliceContext *sl,
1823 int16_t *block,
1824 int cat, int n,
1825 const uint8_t *scantable,
1826 int max_coeff)
1827 {
1828 /* read coded block flag */
1829
2/2
✓ Branch 2 taken 1875280 times.
✓ Branch 3 taken 3985177 times.
 5860457 if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
1830 1875280 sl->non_zero_count_cache[scan8[n]] = 0;
1831 1875280 return;
1832 }
1833 3985177 decode_cabac_residual_dc_internal(h, sl, block, cat, n, scantable, max_coeff);
1834 }
1835
1836 static av_always_inline void
1837 771008 decode_cabac_residual_dc_422(const H264Context *h, H264SliceContext *sl,
1838 int16_t *block,
1839 int cat, int n, const uint8_t *scantable,
1840 int max_coeff)
1841 {
1842 /* read coded block flag */
1843
2/2
✓ Branch 2 taken 116806 times.
✓ Branch 3 taken 654202 times.
 771008 if (get_cabac(&sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0) {
1844 116806 sl->non_zero_count_cache[scan8[n]] = 0;
1845 116806 return;
1846 }
1847 654202 decode_cabac_residual_dc_internal_422(h, sl, block, cat, n, scantable, max_coeff);
1848 }
1849
1850 63840238 static av_always_inline void decode_cabac_residual_nondc(const H264Context *h,
1851 H264SliceContext *sl,
1852 int16_t *block,
1853 int cat, int n,
1854 const uint8_t *scantable,
1855 const uint32_t *qmul,
1856 int max_coeff)
1857 {
1858 /* read coded block flag */
1859
6/6
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✓ Branch 2 taken 13250 times.
✓ Branch 3 taken 5119772 times.
✓ Branch 6 taken 24041035 times.
✓ Branch 7 taken 34679431 times.
 63840238 if( (cat != 5 || CHROMA444(h)) && get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 0)]) == 0) {
1860
2/2
✓ Branch 0 taken 18059 times.
✓ Branch 1 taken 24022976 times.
 24041035 if( max_coeff == 64 ) {
1861 18059 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1862 } else {
1863 24022976 sl->non_zero_count_cache[scan8[n]] = 0;
1864 }
1865 24041035 return;
1866 }
1867 39799203 decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff);
1868 }
1869
1870 5778104 static av_always_inline void decode_cabac_luma_residual(const H264Context *h, H264SliceContext *sl,
1871 const uint8_t *scan, const uint8_t *scan8x8,
1872 int pixel_shift, int mb_type, int cbp, int p)
1873 {
1874 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1875 const uint32_t *qmul;
1876 int i8x8, i4x4;
1877
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 5778104 int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
1878
2/2
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✓ Branch 1 taken 5127105 times.
 5778104 if( IS_INTRA16x16( mb_type ) ) {
1879 650999 AV_ZERO128(sl->mb_luma_dc[p]+0);
1880 650999 AV_ZERO128(sl->mb_luma_dc[p]+8);
1881 650999 AV_ZERO128(sl->mb_luma_dc[p]+16);
1882 650999 AV_ZERO128(sl->mb_luma_dc[p]+24);
1883 650999 decode_cabac_residual_dc(h, sl, sl->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1884
1885
2/2
✓ Branch 0 taken 341742 times.
✓ Branch 1 taken 309257 times.
 650999 if( cbp&15 ) {
1886 341742 qmul = h->ps.pps->dequant4_coeff[p][qscale];
1887
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✓ Branch 0 taken 5467872 times.
✓ Branch 1 taken 341742 times.
 5809614 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1888 5467872 const int index = 16*p + i4x4;
1889 5467872 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1890 }
1891 } else {
1892 309257 fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1893 }
1894 } else {
1895
2/2
✓ Branch 0 taken 1693274 times.
✓ Branch 1 taken 3433831 times.
 5127105 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1896
2/2
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✓ Branch 1 taken 5127105 times.
 25635525 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1897
2/2
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✓ Branch 1 taken 5952203 times.
 20508420 if( cbp & (1<<i8x8) ) {
1898
2/2
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✓ Branch 1 taken 9396695 times.
 14556217 if( IS_8x8DCT(mb_type) ) {
1899 5159522 const int index = 16*p + 4*i8x8;
1900 5159522 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1901 5159522 scan8x8, h->ps.pps->dequant8_coeff[cqm][qscale], 64);
1902 } else {
1903 9396695 qmul = h->ps.pps->dequant4_coeff[cqm][qscale];
1904
2/2
✓ Branch 0 taken 37586780 times.
✓ Branch 1 taken 9396695 times.
 46983475 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1905 37586780 const int index = 16*p + 4*i8x8 + i4x4;
1906 37586780 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1907 }
1908 }
1909 } else {
1910 5952203 fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1911 }
1912 }
1913 }
1914 5778104 }
1915
1916 /**
1917 * Decode a macroblock.
1918 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1919 */
1920 9367919 int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
1921 {
1922 9367919 const SPS *sps = h->ps.sps;
1923 int mb_xy;
1924 9367919 int mb_type, partition_count, cbp = 0;
1925 9367919 int dct8x8_allowed = h->ps.pps->transform_8x8_mode;
1926
4/4
✓ Branch 0 taken 712939 times.
✓ Branch 1 taken 8654980 times.
✓ Branch 2 taken 477512 times.
✓ Branch 3 taken 235427 times.
 9367919 const int decode_chroma = sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2;
1927 9367919 const int pixel_shift = h->pixel_shift;
1928
1929 9367919 mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride;
1930
1931 ff_tlog(h->avctx, "pic:%d mb:%d/%d\n", h->poc.frame_num, sl->mb_x, sl->mb_y);
1932
2/2
✓ Branch 0 taken 7848311 times.
✓ Branch 1 taken 1519608 times.
 9367919 if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1933 int skip;
1934 /* a skipped mb needs the aff flag from the following mb */
1935
6/6
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✓ Branch 1 taken 6654851 times.
✓ Branch 2 taken 596730 times.
✓ Branch 3 taken 596730 times.
✓ Branch 4 taken 108281 times.
✓ Branch 5 taken 488449 times.
 7848311 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped)
1936 108281 skip = sl->next_mb_skipped;
1937 else
1938 7740030 skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y );
1939 /* read skip flags */
1940
2/2
✓ Branch 0 taken 2685988 times.
✓ Branch 1 taken 5162323 times.
 7848311 if( skip ) {
1941
4/4
✓ Branch 0 taken 211947 times.
✓ Branch 1 taken 2474041 times.
✓ Branch 2 taken 108281 times.
✓ Branch 3 taken 103666 times.
 2685988 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
1942 108281 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1943 108281 sl->next_mb_skipped = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y+1 );
1944
2/2
✓ Branch 0 taken 36910 times.
✓ Branch 1 taken 71371 times.
 108281 if(!sl->next_mb_skipped)
1945 36910 sl->mb_mbaff = sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1946 }
1947
1948 2685988 decode_mb_skip(h, sl);
1949
1950 2685988 h->cbp_table[mb_xy] = 0;
1951 2685988 h->chroma_pred_mode_table[mb_xy] = 0;
1952 2685988 sl->last_qscale_diff = 0;
1953
1954 2685988 return 0;
1955
1956 }
1957 }
1958
2/2
✓ Branch 0 taken 1385493 times.
✓ Branch 1 taken 5296438 times.
 6681931 if (FRAME_MBAFF(h)) {
1959
2/2
✓ Branch 0 taken 690439 times.
✓ Branch 1 taken 695054 times.
 1385493 if ((sl->mb_y & 1) == 0)
1960 690439 sl->mb_mbaff =
1961 690439 sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1962 }
1963
1964 6681931 sl->prev_mb_skipped = 0;
1965
1966 6681931 fill_decode_neighbors(h, sl, -(MB_FIELD(sl)));
1967
1968
2/2
✓ Branch 0 taken 2673268 times.
✓ Branch 1 taken 4008663 times.
 6681931 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1969 2673268 int ctx = 0;
1970 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B);
1971
1972
2/2
✓ Branch 0 taken 1916920 times.
✓ Branch 1 taken 756348 times.
 2673268 if (!IS_DIRECT(sl->left_type[LTOP] - 1))
1973 1916920 ctx++;
1974
2/2
✓ Branch 0 taken 1802249 times.
✓ Branch 1 taken 871019 times.
 2673268 if (!IS_DIRECT(sl->top_type - 1))
1975 1802249 ctx++;
1976
1977
2/2
✓ Branch 1 taken 476306 times.
✓ Branch 2 taken 2196962 times.
 2673268 if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){
1978 476306 mb_type= 0; /* B_Direct_16x16 */
1979
2/2
✓ Branch 1 taken 793061 times.
✓ Branch 2 taken 1403901 times.
 2196962 }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) {
1980 793061 mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */
1981 }else{
1982 int bits;
1983 1403901 bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3;
1984 1403901 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2;
1985 1403901 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1;
1986 1403901 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1987
2/2
✓ Branch 0 taken 420028 times.
✓ Branch 1 taken 983873 times.
 1403901 if( bits < 8 ){
1988 420028 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1989
2/2
✓ Branch 0 taken 446179 times.
✓ Branch 1 taken 537694 times.
 983873 }else if( bits == 13 ){
1990 446179 mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
1991 446179 goto decode_intra_mb;
1992
2/2
✓ Branch 0 taken 14765 times.
✓ Branch 1 taken 522929 times.
 537694 }else if( bits == 14 ){
1993 14765 mb_type= 11; /* B_L1_L0_8x16 */
1994
2/2
✓ Branch 0 taken 390415 times.
✓ Branch 1 taken 132514 times.
 522929 }else if( bits == 15 ){
1995 390415 mb_type= 22; /* B_8x8 */
1996 }else{
1997 132514 bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1998 132514 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1999 }
2000 }
2001 2227089 partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
2002 2227089 mb_type = ff_h264_b_mb_type_info[mb_type].type;
2003
2/2
✓ Branch 0 taken 2489055 times.
✓ Branch 1 taken 1519608 times.
 4008663 } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
2004
2/2
✓ Branch 1 taken 2006613 times.
✓ Branch 2 taken 482442 times.
 2489055 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) {
2005 /* P-type */
2006
2/2
✓ Branch 1 taken 1711982 times.
✓ Branch 2 taken 294631 times.
 2006613 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) {
2007 /* P_L0_D16x16, P_8x8 */
2008 1711982 mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] );
2009 } else {
2010 /* P_L0_D8x16, P_L0_D16x8 */
2011 294631 mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] );
2012 }
2013 2006613 partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
2014 2006613 mb_type = ff_h264_p_mb_type_info[mb_type].type;
2015 } else {
2016 482442 mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
2017 482442 goto decode_intra_mb;
2018 }
2019 } else {
2020 1519608 mb_type = decode_cabac_intra_mb_type(sl, 3, 1);
2021
1/4
✓ Branch 0 taken 1519608 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 1519608 if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type)
2022 ✗ mb_type--;
2023 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_I);
2024 1519608 decode_intra_mb:
2025 2448229 partition_count = 0;
2026 2448229 cbp = ff_h264_i_mb_type_info[mb_type].cbp;
2027 2448229 sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
2028 2448229 mb_type = ff_h264_i_mb_type_info[mb_type].type;
2029 }
2030
2/2
✓ Branch 0 taken 2667424 times.
✓ Branch 1 taken 4014507 times.
 6681931 if (MB_FIELD(sl))
2031 2667424 mb_type |= MB_TYPE_INTERLACED;
2032
2033 6681931 h->slice_table[mb_xy] = sl->slice_num;
2034
2035
2/2
✓ Branch 0 taken 5659 times.
✓ Branch 1 taken 6676272 times.
 6681931 if(IS_INTRA_PCM(mb_type)) {
2036 5659 const int mb_size = ff_h264_mb_sizes[sps->chroma_format_idc] *
2037 5659 sps->bit_depth_luma >> 3;
2038 const uint8_t *ptr;
2039 int ret;
2040
2041 // We assume these blocks are very rare so we do not optimize it.
2042 // FIXME The two following lines get the bitstream position in the cabac
2043 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2044 5659 ptr= sl->cabac.bytestream;
2045
2/2
✓ Branch 0 taken 232 times.
✓ Branch 1 taken 5427 times.
 5659 if(sl->cabac.low&0x1) ptr--;
2046 if(CABAC_BITS==16){
2047
2/2
✓ Branch 0 taken 2933 times.
✓ Branch 1 taken 2726 times.
 5659 if(sl->cabac.low&0x1FF) ptr--;
2048 }
2049
2050 // The pixels are stored in the same order as levels in h->mb array.
2051
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5659 times.
 5659 if ((int) (sl->cabac.bytestream_end - ptr) < mb_size)
2052 ✗ return -1;
2053 5659 sl->intra_pcm_ptr = ptr;
2054 5659 ptr += mb_size;
2055
2056 5659 ret = ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
2057
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5659 times.
 5659 if (ret < 0)
2058 ✗ return ret;
2059
2060 // All blocks are present
2061 5659 h->cbp_table[mb_xy] = 0xf7ef;
2062 5659 h->chroma_pred_mode_table[mb_xy] = 0;
2063 // In deblocking, the quantizer is 0
2064 5659 h->cur_pic.qscale_table[mb_xy] = 0;
2065 // All coeffs are present
2066 5659 memset(h->non_zero_count[mb_xy], 16, 48);
2067 5659 h->cur_pic.mb_type[mb_xy] = mb_type;
2068 5659 sl->last_qscale_diff = 0;
2069 5659 return 0;
2070 }
2071
2072 6676272 fill_decode_caches(h, sl, mb_type);
2073
2074
2/2
✓ Branch 0 taken 2442570 times.
✓ Branch 1 taken 4233702 times.
 6676272 if( IS_INTRA( mb_type ) ) {
2075 int i, pred_mode;
2076
2/2
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✓ Branch 1 taken 644242 times.
 2442570 if( IS_INTRA4x4( mb_type ) ) {
2077
4/4
✓ Branch 0 taken 1520342 times.
✓ Branch 1 taken 277986 times.
✓ Branch 3 taken 968969 times.
✓ Branch 4 taken 551373 times.
 1798328 if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) {
2078 968969 mb_type |= MB_TYPE_8x8DCT;
2079
2/2
✓ Branch 0 taken 3875876 times.
✓ Branch 1 taken 968969 times.
 4844845 for( i = 0; i < 16; i+=4 ) {
2080 3875876 int pred = pred_intra_mode(h, sl, i);
2081 3875876 int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2082 3875876 fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
2083 }
2084 } else {
2085
2/2
✓ Branch 0 taken 13269744 times.
✓ Branch 1 taken 829359 times.
 14099103 for( i = 0; i < 16; i++ ) {
2086 13269744 int pred = pred_intra_mode(h, sl, i);
2087 13269744 sl->intra4x4_pred_mode_cache[scan8[i]] = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2088
2089 ff_tlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2090 sl->intra4x4_pred_mode_cache[scan8[i]]);
2091 }
2092 }
2093 1798328 write_back_intra_pred_mode(h, sl);
2094
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1798328 times.
 1798328 if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
2095 1798328 sl->top_samples_available, sl->left_samples_available) < 0 )
2096 ✗ return -1;
2097 } else {
2098 1288484 sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2099 644242 sl->left_samples_available, sl->intra16x16_pred_mode, 0);
2100
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 644242 times.
 644242 if (sl->intra16x16_pred_mode < 0) return -1;
2101 }
2102
2/2
✓ Branch 0 taken 2348933 times.
✓ Branch 1 taken 93637 times.
 2442570 if(decode_chroma){
2103 2348933 h->chroma_pred_mode_table[mb_xy] =
2104 2348933 pred_mode = decode_cabac_mb_chroma_pre_mode(h, sl);
2105
2106 2348933 pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2107 2348933 sl->left_samples_available, pred_mode, 1 );
2108
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2348933 times.
 2348933 if( pred_mode < 0 ) return -1;
2109 2348933 sl->chroma_pred_mode = pred_mode;
2110 } else {
2111 93637 sl->chroma_pred_mode = DC_128_PRED8x8;
2112 }
2113
2/2
✓ Branch 0 taken 875391 times.
✓ Branch 1 taken 3358311 times.
 4233702 } else if( partition_count == 4 ) {
2114 int i, j, sub_partition_count[4], list, ref[2][4];
2115
2116
2/2
✓ Branch 0 taken 390415 times.
✓ Branch 1 taken 484976 times.
 875391 if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
2117
2/2
✓ Branch 0 taken 1561660 times.
✓ Branch 1 taken 390415 times.
 1952075 for( i = 0; i < 4; i++ ) {
2118 1561660 sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
2119 1561660 sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2120 1561660 sl->sub_mb_type[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].type;
2121 }
2122
2/2
✓ Branch 0 taken 73592 times.
✓ Branch 1 taken 316823 times.
 390415 if (IS_DIRECT(sl->sub_mb_type[0] | sl->sub_mb_type[1] |
2123 sl->sub_mb_type[2] | sl->sub_mb_type[3])) {
2124 73592 ff_h264_pred_direct_motion(h, sl, &mb_type);
2125 73592 sl->ref_cache[0][scan8[4]] =
2126 73592 sl->ref_cache[1][scan8[4]] =
2127 73592 sl->ref_cache[0][scan8[12]] =
2128 73592 sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2129
2/2
✓ Branch 0 taken 294368 times.
✓ Branch 1 taken 73592 times.
 367960 for( i = 0; i < 4; i++ )
2130 294368 fill_rectangle(&sl->direct_cache[scan8[4*i]], 2, 2, 8, (sl->sub_mb_type[i] >> 1) & 0xFF, 1);
2131 }
2132 } else {
2133
2/2
✓ Branch 0 taken 1939904 times.
✓ Branch 1 taken 484976 times.
 2424880 for( i = 0; i < 4; i++ ) {
2134 1939904 sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
2135 1939904 sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2136 1939904 sl->sub_mb_type[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].type;
2137 }
2138 }
2139
2140
2/2
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✓ Branch 1 taken 875391 times.
 2141197 for( list = 0; list < sl->list_count; list++ ) {
2141
2/2
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✓ Branch 1 taken 1265806 times.
 6329030 for( i = 0; i < 4; i++ ) {
2142
2/2
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✓ Branch 1 taken 4767524 times.
 5063224 if(IS_DIRECT(sl->sub_mb_type[i])) continue;
2143
2/2
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✓ Branch 1 taken 418786 times.
 4767524 if(IS_DIR(sl->sub_mb_type[i], 0, list)){
2144 4348738 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2145
2/2
✓ Branch 0 taken 2940899 times.
✓ Branch 1 taken 1407839 times.
 4348738 if (rc > 1) {
2146 2940899 ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i);
2147
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2940899 times.
 2940899 if (ref[list][i] >= rc) {
2148 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
2149 ✗ return -1;
2150 }
2151 }else
2152 1407839 ref[list][i] = 0;
2153 } else {
2154 418786 ref[list][i] = -1;
2155 }
2156 4767524 sl->ref_cache[list][scan8[4 * i] + 1] =
2157 4767524 sl->ref_cache[list][scan8[4 * i] + 8] = sl->ref_cache[list][scan8[4 * i] + 9] = ref[list][i];
2158 }
2159 }
2160
2161
2/2
✓ Branch 0 taken 213731 times.
✓ Branch 1 taken 661660 times.
 875391 if(dct8x8_allowed)
2162 213731 dct8x8_allowed = get_dct8x8_allowed(h, sl);
2163
2164
2/2
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✓ Branch 1 taken 875391 times.
 2141197 for (list = 0; list < sl->list_count; list++) {
2165
2/2
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✓ Branch 1 taken 1265806 times.
 6329030 for(i=0; i<4; i++){
2166 5063224 sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1];
2167
2/2
✓ Branch 0 taken 295700 times.
✓ Branch 1 taken 4767524 times.
 5063224 if(IS_DIRECT(sl->sub_mb_type[i])){
2168 295700 fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2169 295700 continue;
2170 }
2171
2172
3/4
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✓ Branch 1 taken 418786 times.
✓ Branch 2 taken 4348738 times.
✗ Branch 3 not taken.
 9116262 if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){
2173 4348738 const int sub_mb_type= sl->sub_mb_type[i];
2174
2/2
✓ Branch 0 taken 3163138 times.
✓ Branch 1 taken 1185600 times.
 4348738 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2175
2/2
✓ Branch 0 taken 9143369 times.
✓ Branch 1 taken 4348738 times.
 13492107 for(j=0; j<sub_partition_count[i]; j++){
2176 int mpx, mpy;
2177 int mx, my;
2178 9143369 const int index= 4*i + block_width*j;
2179 9143369 int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
2180 9143369 uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
2181 9143369 pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
2182
2/4
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✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 9143369 times.
 9143369 DECODE_CABAC_MB_MVD(sl, list, index)
2183 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2184
2185
2/2
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✓ Branch 1 taken 7806752 times.
 9143369 if(IS_SUB_8X8(sub_mb_type)){
2186 1336617 mv_cache[ 1 ][0]=
2187 1336617 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2188 1336617 mv_cache[ 1 ][1]=
2189 1336617 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2190
2191 1336617 mvd_cache[ 1 ][0]=
2192 1336617 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2193 1336617 mvd_cache[ 1 ][1]=
2194 1336617 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2195
2/2
✓ Branch 0 taken 3653042 times.
✓ Branch 1 taken 4153710 times.
 7806752 }else if(IS_SUB_8X4(sub_mb_type)){
2196 3653042 mv_cache[ 1 ][0]= mx;
2197 3653042 mv_cache[ 1 ][1]= my;
2198
2199 3653042 mvd_cache[ 1 ][0]= mpx;
2200 3653042 mvd_cache[ 1 ][1]= mpy;
2201
2/2
✓ Branch 0 taken 588690 times.
✓ Branch 1 taken 3565020 times.
 4153710 }else if(IS_SUB_4X8(sub_mb_type)){
2202 588690 mv_cache[ 8 ][0]= mx;
2203 588690 mv_cache[ 8 ][1]= my;
2204
2205 588690 mvd_cache[ 8 ][0]= mpx;
2206 588690 mvd_cache[ 8 ][1]= mpy;
2207 }
2208 9143369 mv_cache[ 0 ][0]= mx;
2209 9143369 mv_cache[ 0 ][1]= my;
2210
2211 9143369 mvd_cache[ 0 ][0]= mpx;
2212 9143369 mvd_cache[ 0 ][1]= mpy;
2213 }
2214 }else{
2215 418786 fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2216 418786 fill_rectangle(sl->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2217 }
2218 }
2219 }
2220
2/2
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✓ Branch 1 taken 2882005 times.
 3358311 } else if( IS_DIRECT(mb_type) ) {
2221 476306 ff_h264_pred_direct_motion(h, sl, &mb_type);
2222 476306 fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2223 476306 fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2224 476306 dct8x8_allowed &= sps->direct_8x8_inference_flag;
2225 } else {
2226 int list, i;
2227
2/2
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✓ Branch 1 taken 666079 times.
 2882005 if(IS_16X16(mb_type)){
2228
2/2
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✓ Branch 1 taken 2215926 times.
 5420772 for (list = 0; list < sl->list_count; list++) {
2229
2/2
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✓ Branch 1 taken 793061 times.
 3204846 if(IS_DIR(mb_type, 0, list)){
2230 int ref;
2231 2411785 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2232
2/2
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✓ Branch 1 taken 927454 times.
 2411785 if (rc > 1) {
2233 1484331 ref= decode_cabac_mb_ref(sl, list, 0);
2234
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1484331 times.
 1484331 if (ref >= rc) {
2235 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2236 ✗ return -1;
2237 }
2238 }else
2239 927454 ref=0;
2240 2411785 fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2241 }
2242 }
2243
2/2
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✓ Branch 1 taken 2215926 times.
 5420772 for (list = 0; list < sl->list_count; list++) {
2244
2/2
✓ Branch 0 taken 2411785 times.
✓ Branch 1 taken 793061 times.
 3204846 if(IS_DIR(mb_type, 0, list)){
2245 int mx,my,mpx,mpy;
2246 2411785 pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
2247
2/4
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✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 2411785 times.
 2411785 DECODE_CABAC_MB_MVD(sl, list, 0)
2248 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2249
2250 2411785 fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2251 2411785 fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2252 }
2253 }
2254 }
2255
2/2
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✓ Branch 1 taken 314292 times.
 666079 else if(IS_16X8(mb_type)){
2256
2/2
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✓ Branch 1 taken 351787 times.
 903474 for (list = 0; list < sl->list_count; list++) {
2257
2/2
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✓ Branch 1 taken 551687 times.
 1655061 for(i=0; i<2; i++){
2258
2/2
✓ Branch 0 taken 793437 times.
✓ Branch 1 taken 309937 times.
 1103374 if(IS_DIR(mb_type, i, list)){
2259 int ref;
2260 793437 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2261
2/2
✓ Branch 0 taken 513317 times.
✓ Branch 1 taken 280120 times.
 793437 if (rc > 1) {
2262 513317 ref= decode_cabac_mb_ref(sl, list, 8 * i);
2263
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 513317 times.
 513317 if (ref >= rc) {
2264 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2265 ✗ return -1;
2266 }
2267 }else
2268 280120 ref=0;
2269 793437 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2270 }else
2271 309937 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2272 }
2273 }
2274
2/2
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✓ Branch 1 taken 351787 times.
 903474 for (list = 0; list < sl->list_count; list++) {
2275
2/2
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✓ Branch 1 taken 551687 times.
 1655061 for(i=0; i<2; i++){
2276
2/2
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✓ Branch 1 taken 309937 times.
 1103374 if(IS_DIR(mb_type, i, list)){
2277 int mx,my,mpx,mpy;
2278 793437 pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2279
2/4
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✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 793437 times.
 793437 DECODE_CABAC_MB_MVD(sl, list, 8*i)
2280 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2281
2282 793437 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2283 793437 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2284 }else{
2285 309937 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2286 309937 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2287 }
2288 }
2289 }
2290 }else{
2291 av_assert2(IS_8X16(mb_type));
2292
2/2
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✓ Branch 1 taken 314292 times.
 800132 for (list = 0; list < sl->list_count; list++) {
2293
2/2
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✓ Branch 1 taken 485840 times.
 1457520 for(i=0; i<2; i++){
2294
2/2
✓ Branch 0 taken 704023 times.
✓ Branch 1 taken 267657 times.
 971680 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2295 int ref;
2296 704023 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2297
2/2
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✓ Branch 1 taken 260473 times.
 704023 if (rc > 1) {
2298 443550 ref = decode_cabac_mb_ref(sl, list, 4 * i);
2299
1/2
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✓ Branch 1 taken 443550 times.
 443550 if (ref >= rc) {
2300 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2301 ✗ return -1;
2302 }
2303 }else
2304 260473 ref=0;
2305 704023 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2306 }else
2307 267657 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2308 }
2309 }
2310
2/2
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✓ Branch 1 taken 314292 times.
 800132 for (list = 0; list < sl->list_count; list++) {
2311
2/2
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✓ Branch 1 taken 485840 times.
 1457520 for(i=0; i<2; i++){
2312
2/2
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✓ Branch 1 taken 267657 times.
 971680 if(IS_DIR(mb_type, i, list)){
2313 int mx,my,mpx,mpy;
2314 704023 pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2315
2/4
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✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 704023 times.
 704023 DECODE_CABAC_MB_MVD(sl, list, 4*i)
2316
2317 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2318 704023 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2319 704023 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2320 }else{
2321 267657 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2322 267657 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2323 }
2324 }
2325 }
2326 }
2327 }
2328
2329
2/2
✓ Branch 0 taken 4233702 times.
✓ Branch 1 taken 2442570 times.
 6676272 if( IS_INTER( mb_type ) ) {
2330 4233702 h->chroma_pred_mode_table[mb_xy] = 0;
2331 4233702 write_back_motion(h, sl, mb_type);
2332 }
2333
2334
2/2
✓ Branch 0 taken 6032030 times.
✓ Branch 1 taken 644242 times.
 6676272 if( !IS_INTRA16x16( mb_type ) ) {
2335 6032030 cbp = decode_cabac_mb_cbp_luma(sl);
2336
2/2
✓ Branch 0 taken 5843260 times.
✓ Branch 1 taken 188770 times.
 6032030 if(decode_chroma)
2337 5843260 cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
2338 } else {
2339
4/4
✓ Branch 0 taken 6527 times.
✓ Branch 1 taken 637715 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 6526 times.
 644242 if (!decode_chroma && cbp>15) {
2340 1 av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n");
2341 1 return AVERROR_INVALIDDATA;
2342 }
2343 }
2344
2345 6676271 h->cbp_table[mb_xy] = sl->cbp = cbp;
2346
2347
6/6
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✓ Branch 1 taken 2650287 times.
✓ Branch 2 taken 2967434 times.
✓ Branch 3 taken 1058550 times.
✓ Branch 4 taken 1362026 times.
✓ Branch 5 taken 1605408 times.
 6676271 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2348 1362026 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size]);
2349 }
2350
2351 /* It would be better to do this in fill_decode_caches, but we don't know
2352 * the transform mode of the current macroblock there. */
2353
4/4
✓ Branch 0 taken 152992 times.
✓ Branch 1 taken 6523279 times.
✓ Branch 2 taken 58789 times.
✓ Branch 3 taken 94203 times.
 6676271 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2354 int i;
2355 58789 uint8_t *nnz_cache = sl->non_zero_count_cache;
2356
2/2
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✓ Branch 1 taken 37 times.
 58789 if (h->x264_build < 151U) {
2357
2/2
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✓ Branch 1 taken 58752 times.
 176256 for (i = 0; i < 2; i++){
2358
4/4
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✓ Branch 1 taken 1762 times.
✓ Branch 2 taken 10860 times.
✓ Branch 3 taken 104882 times.
 117504 if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2359 10860 nnz_cache[3+8* 1 + 2*8*i]=
2360 10860 nnz_cache[3+8* 2 + 2*8*i]=
2361 10860 nnz_cache[3+8* 6 + 2*8*i]=
2362 10860 nnz_cache[3+8* 7 + 2*8*i]=
2363 10860 nnz_cache[3+8*11 + 2*8*i]=
2364
2/2
✓ Branch 0 taken 962 times.
✓ Branch 1 taken 9898 times.
 10860 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2365 }
2366 }
2367
4/4
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✓ Branch 1 taken 1494 times.
✓ Branch 2 taken 5303 times.
✓ Branch 3 taken 51955 times.
 58752 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2368
2/2
✓ Branch 0 taken 4731 times.
✓ Branch 1 taken 572 times.
 5303 uint32_t top_empty = !IS_INTRA(mb_type) ? 0 : 0x40404040;
2369 5303 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2370 5303 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2371 5303 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2372 }
2373 } else {
2374
2/2
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✓ Branch 1 taken 37 times.
 111 for (i = 0; i < 2; i++){
2375
4/4
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✓ Branch 1 taken 22 times.
✓ Branch 2 taken 40 times.
✓ Branch 3 taken 12 times.
 74 if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2376 40 nnz_cache[3+8* 1 + 2*8*i]=
2377 40 nnz_cache[3+8* 2 + 2*8*i]=
2378 40 nnz_cache[3+8* 6 + 2*8*i]=
2379 40 nnz_cache[3+8* 7 + 2*8*i]=
2380 40 nnz_cache[3+8*11 + 2*8*i]=
2381
1/2
✓ Branch 0 taken 40 times.
✗ Branch 1 not taken.
 40 nnz_cache[3+8*12 + 2*8*i]= !IS_INTRA_PCM(sl->left_type[LEFT(i)]) ? 0 : 64;
2382 }
2383 }
2384
4/4
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✓ Branch 1 taken 4 times.
✓ Branch 2 taken 7 times.
✓ Branch 3 taken 26 times.
 37 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2385
1/2
✓ Branch 0 taken 7 times.
✗ Branch 1 not taken.
 7 uint32_t top_empty = !IS_INTRA_PCM(sl->top_type) ? 0 : 0x40404040;
2386 7 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2387 7 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2388 7 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2389 }
2390 }
2391 }
2392 6676271 h->cur_pic.mb_type[mb_xy] = mb_type;
2393
2394
4/4
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✓ Branch 1 taken 5356615 times.
✓ Branch 2 taken 237605 times.
✓ Branch 3 taken 1082051 times.
 12270491 if( cbp || IS_INTRA16x16( mb_type ) ) {
2395 const uint8_t *scan, *scan8x8;
2396 const uint32_t *qmul;
2397
2398 // decode_cabac_mb_dqp
2399
4/4
✓ Branch 0 taken 784697 times.
✓ Branch 1 taken 4809523 times.
✓ Branch 3 taken 947469 times.
✓ Branch 4 taken 4646751 times.
 5594220 if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
2400 947469 int val = 1;
2401 947469 int ctx= 2;
2402 947469 const int max_qp = 51 + 6*(sps->bit_depth_luma-8);
2403
2404
2/2
✓ Branch 1 taken 5720731 times.
✓ Branch 2 taken 947469 times.
 6668200 while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) {
2405 5720731 ctx= 3;
2406 5720731 val++;
2407
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5720731 times.
 5720731 if(val > 2*max_qp){ //prevent infinite loop
2408 ✗ av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", sl->mb_x, sl->mb_y);
2409 ✗ return -1;
2410 }
2411 }
2412
2413
2/2
✓ Branch 0 taken 471038 times.
✓ Branch 1 taken 476431 times.
 947469 if( val&0x01 )
2414 471038 val= (val + 1)>>1 ;
2415 else
2416 476431 val= -((val + 1)>>1);
2417 947469 sl->last_qscale_diff = val;
2418 947469 sl->qscale += val;
2419
2/2
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✓ Branch 1 taken 936867 times.
 947469 if (((unsigned)sl->qscale) > max_qp){
2420
2/2
✓ Branch 0 taken 5475 times.
✓ Branch 1 taken 5127 times.
 10602 if (sl->qscale < 0) sl->qscale += max_qp + 1;
2421 5127 else sl->qscale -= max_qp + 1;
2422 }
2423 947469 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2424 947469 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2425 }else
2426 4646751 sl->last_qscale_diff=0;
2427
2428
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 5594220 if(IS_INTERLACED(mb_type)){
2429
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 2209190 scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2430
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 2209190 scan = sl->qscale ? h->field_scan : h->field_scan_q0;
2431 }else{
2432
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 3385030 scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2433
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 3385030 scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2434 }
2435
2436 5594220 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2437
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 5594220 if (CHROMA444(h)) {
2438 91942 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2439 91942 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2440
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 5502278 } else if (CHROMA422(h)) {
2441
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 465190 if( cbp&0x30 ){
2442 int c;
2443
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 1156512 for (c = 0; c < 2; c++)
2444 771008 decode_cabac_residual_dc_422(h, sl, sl->mb + ((256 + 16*16*c) << pixel_shift), 3,
2445 CHROMA_DC_BLOCK_INDEX + c,
2446 ff_h264_chroma422_dc_scan, 8);
2447 }
2448
2449
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 465190 if( cbp&0x20 ) {
2450 int c, i, i8x8;
2451
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 864102 for( c = 0; c < 2; c++ ) {
2452 576068 int16_t *mb = sl->mb + (16*(16 + 16*c) << pixel_shift);
2453
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 576068 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2454
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 1728204 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2455
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 5760680 for (i = 0; i < 4; i++) {
2456 4608544 const int index = 16 + 16 * c + 8*i8x8 + i;
2457 4608544 decode_cabac_residual_nondc(h, sl, mb, 4, index, scan + 1, qmul, 15);
2458 4608544 mb += 16<<pixel_shift;
2459 }
2460 }
2461 }
2462 } else {
2463 177156 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2464 177156 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2465 }
2466 } else /* yuv420 */ {
2467
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 5037088 if( cbp&0x30 ){
2468 int c;
2469
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 7814187 for (c = 0; c < 2; c++)
2470 5209458 decode_cabac_residual_dc(h, sl, sl->mb + ((256 + 16 * 16 * c) << pixel_shift),
2471 3, CHROMA_DC_BLOCK_INDEX + c, ff_h264_chroma_dc_scan, 4);
2472 }
2473
2474
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 5037088 if( cbp&0x20 ) {
2475 int c, i;
2476
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 4131570 for( c = 0; c < 2; c++ ) {
2477
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✓ Branch 1 taken 1241264 times.
 2754380 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2478
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 13771900 for( i = 0; i < 4; i++ ) {
2479 11017520 const int index = 16 + 16 * c + i;
2480 11017520 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2481 }
2482 }
2483 } else {
2484 3659898 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2485 3659898 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2486 }
2487 }
2488 } else {
2489 1082051 fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2490 1082051 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2491 1082051 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2492 1082051 sl->last_qscale_diff = 0;
2493 }
2494
2495 6676271 h->cur_pic.qscale_table[mb_xy] = sl->qscale;
2496 6676271 write_back_non_zero_count(h, sl);
2497
2498 6676271 return 0;
2499 }
2500