FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/h264_cabac.c
Date: 2025-07-18 13:13:50
Exec Total Coverage
Lines: 627 644 97.4%
Functions: 23 23 100.0%
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 20847 void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl)
1263 {
1264 int i;
1265 const int8_t (*tab)[2];
1266 20847 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 2549 times.
✓ Branch 1 taken 18298 times.
 20847 if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
1269 18298 else tab = cabac_context_init_PB[sl->cabac_init_idc];
1270
1271 /* calculate pre-state */
1272
2/2
✓ Branch 0 taken 21347328 times.
✓ Branch 1 taken 20847 times.
 21368175 for( i= 0; i < 1024; i++ ) {
1273 21347328 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1274
1275 21347328 pre^= pre>>31;
1276
2/2
✓ Branch 0 taken 367911 times.
✓ Branch 1 taken 20979417 times.
 21347328 if(pre > 124)
1277 367911 pre= 124 + (pre&1);
1278
1279 21347328 sl->cabac_state[i] = pre;
1280 }
1281 20847 }
1282
1283 4298022 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 4298022 return (a & 0xFF) + (b << 8);
1289 #endif
1290 }
1291
1292 808463 static int decode_cabac_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
1293 {
1294 808463 const int mbb_xy = sl->mb_xy - 2*h->mb_stride;
1295
1296 808463 unsigned long ctx = 0;
1297
1298 808463 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 808463 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == sl->slice_num);
1300
1301 808463 return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] );
1302 }
1303
1304 2646978 static int decode_cabac_intra_mb_type(H264SliceContext *sl,
1305 int ctx_base, int intra_slice)
1306 {
1307 2646978 uint8_t *state= &sl->cabac_state[ctx_base];
1308 int mb_type;
1309
1310
2/2
✓ Branch 0 taken 1623990 times.
✓ Branch 1 taken 1022988 times.
 2646978 if(intra_slice){
1311 1623990 int ctx=0;
1312
2/2
✓ Branch 0 taken 397362 times.
✓ Branch 1 taken 1226628 times.
 1623990 if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1313 397362 ctx++;
1314
2/2
✓ Branch 0 taken 385070 times.
✓ Branch 1 taken 1238920 times.
 1623990 if (sl->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1315 385070 ctx++;
1316
2/2
✓ Branch 1 taken 1218407 times.
✓ Branch 2 taken 405583 times.
 1623990 if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 )
1317 1218407 return 0; /* I4x4 */
1318 405583 state += 2;
1319 }else{
1320
2/2
✓ Branch 1 taken 668616 times.
✓ Branch 2 taken 354372 times.
 1022988 if( get_cabac_noinline( &sl->cabac, state ) == 0 )
1321 668616 return 0; /* I4x4 */
1322 }
1323
1324
2/2
✓ Branch 1 taken 5659 times.
✓ Branch 2 taken 754296 times.
 759955 if( get_cabac_terminate( &sl->cabac ) )
1325 5659 return 25; /* PCM */
1326
1327 754296 mb_type = 1; /* I16x16 */
1328 754296 mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */
1329
2/2
✓ Branch 1 taken 282474 times.
✓ Branch 2 taken 471822 times.
 754296 if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */
1330 282474 mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] );
1331 754296 mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] );
1332 754296 mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] );
1333 754296 return mb_type;
1334 }
1335
1336 8745937 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 8745937 int ctx = 0;
1341
1342
2/2
✓ Branch 0 taken 1373652 times.
✓ Branch 1 taken 7372285 times.
 8745937 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1343 1373652 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1344 1373652 mba_xy = mb_xy - 1;
1345
2/2
✓ Branch 0 taken 686826 times.
✓ Branch 1 taken 686826 times.
 1373652 if( (mb_y&1)
1346
2/2
✓ Branch 0 taken 668718 times.
✓ Branch 1 taken 18108 times.
 686826 && h->slice_table[mba_xy] == sl->slice_num
1347
2/2
✓ Branch 0 taken 541278 times.
✓ Branch 1 taken 127440 times.
 668718 && MB_FIELD(sl) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1348 541278 mba_xy += h->mb_stride;
1349
2/2
✓ Branch 0 taken 374397 times.
✓ Branch 1 taken 999255 times.
 1373652 if (MB_FIELD(sl)) {
1350 374397 mbb_xy = mb_xy - h->mb_stride;
1351
2/2
✓ Branch 0 taken 186903 times.
✓ Branch 1 taken 187494 times.
 374397 if( !(mb_y&1)
1352
2/2
✓ Branch 0 taken 166508 times.
✓ Branch 1 taken 20395 times.
 186903 && h->slice_table[mbb_xy] == sl->slice_num
1353
2/2
✓ Branch 0 taken 83252 times.
✓ Branch 1 taken 83256 times.
 166508 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1354 83252 mbb_xy -= h->mb_stride;
1355 }else
1356 999255 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1357 }else{
1358 7372285 int mb_xy = sl->mb_xy;
1359 7372285 mba_xy = mb_xy - 1;
1360 7372285 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1361 }
1362
1363
4/4
✓ Branch 0 taken 8517620 times.
✓ Branch 1 taken 228317 times.
✓ Branch 2 taken 5456264 times.
✓ Branch 3 taken 3061356 times.
 8745937 if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1364 5456264 ctx++;
1365
4/4
✓ Branch 0 taken 8038011 times.
✓ Branch 1 taken 707926 times.
✓ Branch 2 taken 5213135 times.
✓ Branch 3 taken 2824876 times.
 8745937 if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1366 5213135 ctx++;
1367
1368
2/2
✓ Branch 0 taken 5057322 times.
✓ Branch 1 taken 3688615 times.
 8745937 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1369 5057322 ctx += 13;
1370 8745937 return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
1371 }
1372
1373 18242324 static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
1374 {
1375 18242324 int mode = 0;
1376
1377
2/2
✓ Branch 1 taken 10008057 times.
✓ Branch 2 taken 8234267 times.
 18242324 if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) )
1378 10008057 return pred_mode;
1379
1380 8234267 mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1381 8234267 mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1382 8234267 mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1383
1384 8234267 return mode + ( mode >= pred_mode );
1385 }
1386
1387 2547682 static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl)
1388 {
1389 2547682 const int mba_xy = sl->left_mb_xy[0];
1390 2547682 const int mbb_xy = sl->top_mb_xy;
1391
1392 2547682 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 2497707 times.
✓ Branch 1 taken 49975 times.
✓ Branch 2 taken 929270 times.
✓ Branch 3 taken 1568437 times.
 2547682 if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0)
1396 929270 ctx++;
1397
1398
4/4
✓ Branch 0 taken 2374588 times.
✓ Branch 1 taken 173094 times.
✓ Branch 2 taken 838578 times.
✓ Branch 3 taken 1536010 times.
 2547682 if (sl->top_type && h->chroma_pred_mode_table[mbb_xy] != 0)
1399 838578 ctx++;
1400
1401
2/2
✓ Branch 1 taken 1430533 times.
✓ Branch 2 taken 1117149 times.
 2547682 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 )
1402 1430533 return 0;
1403
1404
2/2
✓ Branch 1 taken 626991 times.
✓ Branch 2 taken 490158 times.
 1117149 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1405 626991 return 1;
1406
2/2
✓ Branch 1 taken 281781 times.
✓ Branch 2 taken 208377 times.
 490158 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1407 281781 return 2;
1408 else
1409 208377 return 3;
1410 }
1411
1412 6481952 static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
1413 {
1414 6481952 int cbp_b, cbp_a, ctx, cbp = 0;
1415
1416 6481952 cbp_a = sl->left_cbp;
1417 6481952 cbp_b = sl->top_cbp;
1418
1419
2/2
✓ Branch 0 taken 2707068 times.
✓ Branch 1 taken 3774884 times.
 6481952 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1420 6481952 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
1421
2/2
✓ Branch 0 taken 2689992 times.
✓ Branch 1 taken 3791960 times.
 6481952 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1422 6481952 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1;
1423
2/2
✓ Branch 0 taken 2788309 times.
✓ Branch 1 taken 3693643 times.
 6481952 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1424 6481952 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2;
1425
2/2
✓ Branch 0 taken 2768304 times.
✓ Branch 1 taken 3713648 times.
 6481952 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1426 6481952 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
1427 6481952 return cbp;
1428 }
1429 6293182 static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
1430 {
1431 int ctx;
1432 int cbp_a, cbp_b;
1433
1434 6293182 cbp_a = (sl->left_cbp>>4)&0x03;
1435 6293182 cbp_b = (sl-> top_cbp>>4)&0x03;
1436
1437 6293182 ctx = 0;
1438
2/2
✓ Branch 0 taken 2721760 times.
✓ Branch 1 taken 3571422 times.
 6293182 if( cbp_a > 0 ) ctx++;
1439
2/2
✓ Branch 0 taken 2572002 times.
✓ Branch 1 taken 3721180 times.
 6293182 if( cbp_b > 0 ) ctx += 2;
1440
2/2
✓ Branch 1 taken 3387694 times.
✓ Branch 2 taken 2905488 times.
 6293182 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 )
1441 3387694 return 0;
1442
1443 2905488 ctx = 4;
1444
2/2
✓ Branch 0 taken 1351896 times.
✓ Branch 1 taken 1553592 times.
 2905488 if( cbp_a == 2 ) ctx++;
1445
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 2905488 if( cbp_b == 2 ) ctx += 2;
1446 2905488 return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
1447 }
1448
1449 2037692 static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
1450 {
1451
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 2037692 if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
1452 826725 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 1591092 static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
1460 {
1461 int type;
1462
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 1591092 if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
1463 161977 return 0; /* B_Direct_8x8 */
1464
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 1429115 if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) )
1465 299071 return 1 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1466 1130044 type = 3;
1467
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 1130044 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 1119597 type += 2*get_cabac( &sl->cabac, &sl->cabac_state[39] );
1473 1119597 type += get_cabac( &sl->cabac, &sl->cabac_state[39] );
1474 1119597 return type;
1475 }
1476
1477 5555084 static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n)
1478 {
1479 5555084 int refa = sl->ref_cache[list][scan8[n] - 1];
1480 5555084 int refb = sl->ref_cache[list][scan8[n] - 8];
1481 5555084 int ref = 0;
1482 5555084 int ctx = 0;
1483
1484
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 5555084 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1485
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 2473303 if( refa > 0 && !(sl->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1486 701060 ctx++;
1487
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 2473303 if( refb > 0 && !(sl->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1488 652062 ctx += 2;
1489 } else {
1490
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 3081781 if( refa > 0 )
1491 1043603 ctx++;
1492
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 3081781 if( refb > 0 )
1493 1012644 ctx += 2;
1494 }
1495
1496
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 8634872 while( get_cabac( &sl->cabac, &sl->cabac_state[54+ctx] ) ) {
1497 3079788 ref++;
1498 3079788 ctx = (ctx>>2)+4;
1499
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 3079788 if(ref >= 32 /*h->ref_list[list]*/){
1500 ✗ return -1;
1501 }
1502 }
1503 5555084 return ref;
1504 }
1505
1506 27111892 static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
1507 {
1508 int mvd;
1509
1510
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 27111892 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 16058187 *mvda= 0;
1513 16058187 return 0;
1514 }
1515
1516 11053705 mvd= 1;
1517 11053705 ctxbase+= 3;
1518
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 53462348 while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) {
1519
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 42408643 if( mvd < 4 )
1520 20664898 ctxbase++;
1521 42408643 mvd++;
1522 }
1523
1524
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 11053705 if( mvd >= 9 ) {
1525 3669538 int k = 3;
1526
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 7739146 while( get_cabac_bypass( &sl->cabac ) ) {
1527 4069608 mvd += 1 << k;
1528 4069608 k++;
1529
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 4069608 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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 18747760 while( k-- ) {
1535 15078222 mvd += get_cabac_bypass( &sl->cabac )<<k;
1536 }
1537 3669538 *mvda=mvd < 70 ? mvd : 70;
1538 }else
1539 7384167 *mvda=mvd;
1540 11053705 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 68534453 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 68534453 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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 68534453 if( is_dc ) {
1567
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 7136975 if( cat == 3 ) {
1568 6375922 idx -= CHROMA_DC_BLOCK_INDEX;
1569 6375922 nza = (sl->left_cbp>>(6+idx))&0x01;
1570 6375922 nzb = (sl-> top_cbp>>(6+idx))&0x01;
1571 } else {
1572 761053 idx -= LUMA_DC_BLOCK_INDEX;
1573 761053 nza = sl->left_cbp&(0x100<<idx);
1574 761053 nzb = sl-> top_cbp&(0x100<<idx);
1575 }
1576 } else {
1577 61397478 nza = sl->non_zero_count_cache[scan8[idx] - 1];
1578 61397478 nzb = sl->non_zero_count_cache[scan8[idx] - 8];
1579 }
1580
1581
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 68534453 if( nza > 0 )
1582 37630366 ctx++;
1583
1584
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 68534453 if( nzb > 0 )
1585 37402914 ctx += 2;
1586
1587 68534453 return base_ctx[cat] + ctx;
1588 }
1589
1590 static av_always_inline void
1591 46382713 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 46382713 int coeff_count = 0;
1639 46382713 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 46382713 significant_coeff_ctx_base = sl->cabac_state
1662 46382713 + significant_coeff_flag_offset[MB_FIELD(sl)][cat];
1663 46382713 last_coeff_ctx_base = sl->cabac_state
1664 46382713 + last_coeff_flag_offset[MB_FIELD(sl)][cat];
1665 46382713 abs_level_m1_ctx_base = sl->cabac_state
1666 46382713 + coeff_abs_level_m1_offset[cat];
1667
1668
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 51857431 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 5474718 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)];
1685 #ifdef decode_significance
1686 5474718 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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 40907995 if (is_dc && chroma422) { // dc 422
1690
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 3532913 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1691 } else {
1692 40253793 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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 46382713 if( is_dc ) {
1708
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 4916224 if( cat == 3 )
1709 4442406 h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1710 else
1711 473818 h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1712 4916224 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1713 } else {
1714
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 41466489 if( max_coeff == 64 )
1715 5474718 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 35991771 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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 46382713 if (h->pixel_shift) {
1766
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 73369915 STORE_BLOCK(int32_t)
1767 } else {
1768
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 217680618 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 46382713 }
1777
1778 4262022 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 4262022 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1786 4262022 }
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 41466489 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 41466489 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1807 41466489 }
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 6365967 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 2103945 times.
✓ Branch 3 taken 4262022 times.
 6365967 if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
1830 2103945 sl->non_zero_count_cache[scan8[n]] = 0;
1831 2103945 return;
1832 }
1833 4262022 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 66850505 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 5453027 times.
✓ Branch 6 taken 25384016 times.
✓ Branch 7 taken 36013462 times.
 66850505 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 25365957 times.
 25384016 if( max_coeff == 64 ) {
1861 18059 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1862 } else {
1863 25365957 sl->non_zero_count_cache[scan8[n]] = 0;
1864 }
1865 25384016 return;
1866 }
1867 41466489 decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff);
1868 }
1869
1870 6221140 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
2/2
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 6221140 int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
1878
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✓ Branch 1 taken 5460087 times.
 6221140 if( IS_INTRA16x16( mb_type ) ) {
1879 761053 AV_ZERO128(sl->mb_luma_dc[p]+0);
1880 761053 AV_ZERO128(sl->mb_luma_dc[p]+8);
1881 761053 AV_ZERO128(sl->mb_luma_dc[p]+16);
1882 761053 AV_ZERO128(sl->mb_luma_dc[p]+24);
1883 761053 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 350471 times.
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 761053 if( cbp&15 ) {
1886 350471 qmul = h->ps.pps->dequant4_coeff[p][qscale];
1887
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✓ Branch 0 taken 5607536 times.
✓ Branch 1 taken 350471 times.
 5958007 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1888 5607536 const int index = 16*p + i4x4;
1889 5607536 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 410582 fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1893 }
1894 } else {
1895
2/2
✓ Branch 0 taken 1776768 times.
✓ Branch 1 taken 3683319 times.
 5460087 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1896
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✓ Branch 1 taken 5460087 times.
 27300435 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1897
2/2
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✓ Branch 1 taken 6513265 times.
 21840348 if( cbp & (1<<i8x8) ) {
1898
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✓ Branch 1 taken 9834306 times.
 15327083 if( IS_8x8DCT(mb_type) ) {
1899 5492777 const int index = 16*p + 4*i8x8;
1900 5492777 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1901 5492777 scan8x8, h->ps.pps->dequant8_coeff[cqm][qscale], 64);
1902 } else {
1903 9834306 qmul = h->ps.pps->dequant4_coeff[cqm][qscale];
1904
2/2
✓ Branch 0 taken 39337224 times.
✓ Branch 1 taken 9834306 times.
 49171530 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1905 39337224 const int index = 16*p + 4*i8x8 + i4x4;
1906 39337224 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 6513265 fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1911 }
1912 }
1913 }
1914 6221140 }
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 10369927 int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
1921 {
1922 10369927 const SPS *sps = h->ps.sps;
1923 int mb_xy;
1924 10369927 int mb_type, partition_count, cbp = 0;
1925 10369927 int dct8x8_allowed = h->ps.pps->transform_8x8_mode;
1926
4/4
✓ Branch 0 taken 712939 times.
✓ Branch 1 taken 9656988 times.
✓ Branch 2 taken 477512 times.
✓ Branch 3 taken 235427 times.
 10369927 const int decode_chroma = sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2;
1927 10369927 const int pixel_shift = h->pixel_shift;
1928
1929 10369927 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 8745937 times.
✓ Branch 1 taken 1623990 times.
 10369927 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 7372285 times.
✓ Branch 2 taken 686826 times.
✓ Branch 3 taken 686826 times.
✓ Branch 4 taken 139884 times.
✓ Branch 5 taken 546942 times.
 8745937 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped)
1936 139884 skip = sl->next_mb_skipped;
1937 else
1938 8606053 skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y );
1939 /* read skip flags */
1940
2/2
✓ Branch 0 taken 3128020 times.
✓ Branch 1 taken 5617917 times.
 8745937 if( skip ) {
1941
4/4
✓ Branch 0 taken 273096 times.
✓ Branch 1 taken 2854924 times.
✓ Branch 2 taken 139884 times.
✓ Branch 3 taken 133212 times.
 3128020 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) {
1942 139884 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1943 139884 sl->next_mb_skipped = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y+1 );
1944
2/2
✓ Branch 0 taken 44975 times.
✓ Branch 1 taken 94909 times.
 139884 if(!sl->next_mb_skipped)
1945 44975 sl->mb_mbaff = sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1946 }
1947
1948 3128020 decode_mb_skip(h, sl);
1949
1950 3128020 h->cbp_table[mb_xy] = 0;
1951 3128020 h->chroma_pred_mode_table[mb_xy] = 0;
1952 3128020 sl->last_qscale_diff = 0;
1953
1954 3128020 return 0;
1955
1956 }
1957 }
1958
2/2
✓ Branch 0 taken 1533648 times.
✓ Branch 1 taken 5708259 times.
 7241907 if (FRAME_MBAFF(h)) {
1959
2/2
✓ Branch 0 taken 763488 times.
✓ Branch 1 taken 770160 times.
 1533648 if ((sl->mb_y & 1) == 0)
1960 763488 sl->mb_mbaff =
1961 763488 sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl);
1962 }
1963
1964 7241907 sl->prev_mb_skipped = 0;
1965
1966 7241907 fill_decode_neighbors(h, sl, -(MB_FIELD(sl)));
1967
1968
2/2
✓ Branch 0 taken 2897778 times.
✓ Branch 1 taken 4344129 times.
 7241907 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1969 2897778 int ctx = 0;
1970 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B);
1971
1972
2/2
✓ Branch 0 taken 2067017 times.
✓ Branch 1 taken 830761 times.
 2897778 if (!IS_DIRECT(sl->left_type[LTOP] - 1))
1973 2067017 ctx++;
1974
2/2
✓ Branch 0 taken 1929605 times.
✓ Branch 1 taken 968173 times.
 2897778 if (!IS_DIRECT(sl->top_type - 1))
1975 1929605 ctx++;
1976
1977
2/2
✓ Branch 1 taken 512803 times.
✓ Branch 2 taken 2384975 times.
 2897778 if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){
1978 512803 mb_type= 0; /* B_Direct_16x16 */
1979
2/2
✓ Branch 1 taken 893753 times.
✓ Branch 2 taken 1491222 times.
 2384975 }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) {
1980 893753 mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */
1981 }else{
1982 int bits;
1983 1491222 bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3;
1984 1491222 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2;
1985 1491222 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1;
1986 1491222 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1987
2/2
✓ Branch 0 taken 448498 times.
✓ Branch 1 taken 1042724 times.
 1491222 if( bits < 8 ){
1988 448498 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1989
2/2
✓ Branch 0 taken 491627 times.
✓ Branch 1 taken 551097 times.
 1042724 }else if( bits == 13 ){
1990 491627 mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
1991 491627 goto decode_intra_mb;
1992
2/2
✓ Branch 0 taken 15734 times.
✓ Branch 1 taken 535363 times.
 551097 }else if( bits == 14 ){
1993 15734 mb_type= 11; /* B_L1_L0_8x16 */
1994
2/2
✓ Branch 0 taken 397773 times.
✓ Branch 1 taken 137590 times.
 535363 }else if( bits == 15 ){
1995 397773 mb_type= 22; /* B_8x8 */
1996 }else{
1997 137590 bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1998 137590 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1999 }
2000 }
2001 2406151 partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
2002 2406151 mb_type = ff_h264_b_mb_type_info[mb_type].type;
2003
2/2
✓ Branch 0 taken 2720139 times.
✓ Branch 1 taken 1623990 times.
 4344129 } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
2004
2/2
✓ Branch 1 taken 2188778 times.
✓ Branch 2 taken 531361 times.
 2720139 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) {
2005 /* P-type */
2006
2/2
✓ Branch 1 taken 1838702 times.
✓ Branch 2 taken 350076 times.
 2188778 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) {
2007 /* P_L0_D16x16, P_8x8 */
2008 1838702 mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] );
2009 } else {
2010 /* P_L0_D8x16, P_L0_D16x8 */
2011 350076 mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] );
2012 }
2013 2188778 partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
2014 2188778 mb_type = ff_h264_p_mb_type_info[mb_type].type;
2015 } else {
2016 531361 mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
2017 531361 goto decode_intra_mb;
2018 }
2019 } else {
2020 1623990 mb_type = decode_cabac_intra_mb_type(sl, 3, 1);
2021
1/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 1623990 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 1623990 decode_intra_mb:
2025 2646978 partition_count = 0;
2026 2646978 cbp = ff_h264_i_mb_type_info[mb_type].cbp;
2027 2646978 sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
2028 2646978 mb_type = ff_h264_i_mb_type_info[mb_type].type;
2029 }
2030
2/2
✓ Branch 0 taken 2827746 times.
✓ Branch 1 taken 4414161 times.
 7241907 if (MB_FIELD(sl))
2031 2827746 mb_type |= MB_TYPE_INTERLACED;
2032
2033 7241907 h->slice_table[mb_xy] = sl->slice_num;
2034
2035
2/2
✓ Branch 0 taken 5659 times.
✓ Branch 1 taken 7236248 times.
 7241907 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 7236248 fill_decode_caches(h, sl, mb_type);
2073
2074
2/2
✓ Branch 0 taken 2641319 times.
✓ Branch 1 taken 4594929 times.
 7236248 if( IS_INTRA( mb_type ) ) {
2075 int i, pred_mode;
2076
2/2
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✓ Branch 1 taken 754296 times.
 2641319 if( IS_INTRA4x4( mb_type ) ) {
2077
4/4
✓ Branch 0 taken 1603087 times.
✓ Branch 1 taken 283936 times.
✓ Branch 3 taken 995837 times.
✓ Branch 4 taken 607250 times.
 1887023 if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) {
2078 995837 mb_type |= MB_TYPE_8x8DCT;
2079
2/2
✓ Branch 0 taken 3983348 times.
✓ Branch 1 taken 995837 times.
 4979185 for( i = 0; i < 16; i+=4 ) {
2080 3983348 int pred = pred_intra_mode(h, sl, i);
2081 3983348 int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2082 3983348 fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
2083 }
2084 } else {
2085
2/2
✓ Branch 0 taken 14258976 times.
✓ Branch 1 taken 891186 times.
 15150162 for( i = 0; i < 16; i++ ) {
2086 14258976 int pred = pred_intra_mode(h, sl, i);
2087 14258976 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 1887023 write_back_intra_pred_mode(h, sl);
2094
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1887023 times.
 1887023 if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
2095 1887023 sl->top_samples_available, sl->left_samples_available) < 0 )
2096 ✗ return -1;
2097 } else {
2098 1508592 sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2099 754296 sl->left_samples_available, sl->intra16x16_pred_mode, 0);
2100
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 754296 times.
 754296 if (sl->intra16x16_pred_mode < 0) return -1;
2101 }
2102
2/2
✓ Branch 0 taken 2547682 times.
✓ Branch 1 taken 93637 times.
 2641319 if(decode_chroma){
2103 2547682 h->chroma_pred_mode_table[mb_xy] =
2104 2547682 pred_mode = decode_cabac_mb_chroma_pre_mode(h, sl);
2105
2106 2547682 pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2107 2547682 sl->left_samples_available, pred_mode, 1 );
2108
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2547682 times.
 2547682 if( pred_mode < 0 ) return -1;
2109 2547682 sl->chroma_pred_mode = pred_mode;
2110 } else {
2111 93637 sl->chroma_pred_mode = DC_128_PRED8x8;
2112 }
2113
2/2
✓ Branch 0 taken 907196 times.
✓ Branch 1 taken 3687733 times.
 4594929 } else if( partition_count == 4 ) {
2114 int i, j, sub_partition_count[4], list, ref[2][4];
2115
2116
2/2
✓ Branch 0 taken 397773 times.
✓ Branch 1 taken 509423 times.
 907196 if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
2117
2/2
✓ Branch 0 taken 1591092 times.
✓ Branch 1 taken 397773 times.
 1988865 for( i = 0; i < 4; i++ ) {
2118 1591092 sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
2119 1591092 sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2120 1591092 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 79700 times.
✓ Branch 1 taken 318073 times.
 397773 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 79700 ff_h264_pred_direct_motion(h, sl, &mb_type);
2125 79700 sl->ref_cache[0][scan8[4]] =
2126 79700 sl->ref_cache[1][scan8[4]] =
2127 79700 sl->ref_cache[0][scan8[12]] =
2128 79700 sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2129
2/2
✓ Branch 0 taken 318800 times.
✓ Branch 1 taken 79700 times.
 398500 for( i = 0; i < 4; i++ )
2130 318800 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 2037692 times.
✓ Branch 1 taken 509423 times.
 2547115 for( i = 0; i < 4; i++ ) {
2134 2037692 sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
2135 2037692 sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2136 2037692 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 907196 times.
 2212165 for( list = 0; list < sl->list_count; list++ ) {
2141
2/2
✓ Branch 0 taken 5219876 times.
✓ Branch 1 taken 1304969 times.
 6524845 for( i = 0; i < 4; i++ ) {
2142
2/2
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✓ Branch 1 taken 4895922 times.
 5219876 if(IS_DIRECT(sl->sub_mb_type[i])) continue;
2143
2/2
✓ Branch 0 taken 4463293 times.
✓ Branch 1 taken 432629 times.
 4895922 if(IS_DIR(sl->sub_mb_type[i], 0, list)){
2144 4463293 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2145
2/2
✓ Branch 0 taken 2960027 times.
✓ Branch 1 taken 1503266 times.
 4463293 if (rc > 1) {
2146 2960027 ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i);
2147
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2960027 times.
 2960027 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 1503266 ref[list][i] = 0;
2153 } else {
2154 432629 ref[list][i] = -1;
2155 }
2156 4895922 sl->ref_cache[list][scan8[4 * i] + 1] =
2157 4895922 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 244599 times.
✓ Branch 1 taken 662597 times.
 907196 if(dct8x8_allowed)
2162 244599 dct8x8_allowed = get_dct8x8_allowed(h, sl);
2163
2164
2/2
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✓ Branch 1 taken 907196 times.
 2212165 for (list = 0; list < sl->list_count; list++) {
2165
2/2
✓ Branch 0 taken 5219876 times.
✓ Branch 1 taken 1304969 times.
 6524845 for(i=0; i<4; i++){
2166 5219876 sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1];
2167
2/2
✓ Branch 0 taken 323954 times.
✓ Branch 1 taken 4895922 times.
 5219876 if(IS_DIRECT(sl->sub_mb_type[i])){
2168 323954 fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2169 323954 continue;
2170 }
2171
2172
3/4
✓ Branch 0 taken 4463293 times.
✓ Branch 1 taken 432629 times.
✓ Branch 2 taken 4463293 times.
✗ Branch 3 not taken.
 9359215 if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){
2173 4463293 const int sub_mb_type= sl->sub_mb_type[i];
2174
2/2
✓ Branch 0 taken 3277693 times.
✓ Branch 1 taken 1185600 times.
 4463293 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2175
2/2
✓ Branch 0 taken 9257924 times.
✓ Branch 1 taken 4463293 times.
 13721217 for(j=0; j<sub_partition_count[i]; j++){
2176 int mpx, mpy;
2177 int mx, my;
2178 9257924 const int index= 4*i + block_width*j;
2179 9257924 int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
2180 9257924 uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
2181 9257924 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 9257924 times.
 9257924 DECODE_CABAC_MB_MVD(sl, list, index)
2183 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2184
2185
2/2
✓ Branch 0 taken 1451172 times.
✓ Branch 1 taken 7806752 times.
 9257924 if(IS_SUB_8X8(sub_mb_type)){
2186 1451172 mv_cache[ 1 ][0]=
2187 1451172 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2188 1451172 mv_cache[ 1 ][1]=
2189 1451172 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2190
2191 1451172 mvd_cache[ 1 ][0]=
2192 1451172 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2193 1451172 mvd_cache[ 1 ][1]=
2194 1451172 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 9257924 mv_cache[ 0 ][0]= mx;
2209 9257924 mv_cache[ 0 ][1]= my;
2210
2211 9257924 mvd_cache[ 0 ][0]= mpx;
2212 9257924 mvd_cache[ 0 ][1]= mpy;
2213 }
2214 }else{
2215 432629 fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2216 432629 fill_rectangle(sl->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2217 }
2218 }
2219 }
2220
2/2
✓ Branch 0 taken 512803 times.
✓ Branch 1 taken 3174930 times.
 3687733 } else if( IS_DIRECT(mb_type) ) {
2221 512803 ff_h264_pred_direct_motion(h, sl, &mb_type);
2222 512803 fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2223 512803 fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2224 512803 dct8x8_allowed &= sps->direct_8x8_inference_flag;
2225 } else {
2226 int list, i;
2227
2/2
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✓ Branch 1 taken 740708 times.
 3174930 if(IS_16X16(mb_type)){
2228
2/2
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✓ Branch 1 taken 2434222 times.
 5973387 for (list = 0; list < sl->list_count; list++) {
2229
2/2
✓ Branch 0 taken 2645412 times.
✓ Branch 1 taken 893753 times.
 3539165 if(IS_DIR(mb_type, 0, list)){
2230 int ref;
2231 2645412 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2232
2/2
✓ Branch 0 taken 1578817 times.
✓ Branch 1 taken 1066595 times.
 2645412 if (rc > 1) {
2233 1578817 ref= decode_cabac_mb_ref(sl, list, 0);
2234
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1578817 times.
 1578817 if (ref >= rc) {
2235 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2236 ✗ return -1;
2237 }
2238 }else
2239 1066595 ref=0;
2240 2645412 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 2434222 times.
 5973387 for (list = 0; list < sl->list_count; list++) {
2244
2/2
✓ Branch 0 taken 2645412 times.
✓ Branch 1 taken 893753 times.
 3539165 if(IS_DIR(mb_type, 0, list)){
2245 int mx,my,mpx,mpy;
2246 2645412 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 2645412 times.
 2645412 DECODE_CABAC_MB_MVD(sl, list, 0)
2248 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2249
2250 2645412 fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2251 2645412 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 352454 times.
 740708 else if(IS_16X8(mb_type)){
2256
2/2
✓ Branch 0 taken 599229 times.
✓ Branch 1 taken 388254 times.
 987483 for (list = 0; list < sl->list_count; list++) {
2257
2/2
✓ Branch 0 taken 1198458 times.
✓ Branch 1 taken 599229 times.
 1797687 for(i=0; i<2; i++){
2258
2/2
✓ Branch 0 taken 869530 times.
✓ Branch 1 taken 328928 times.
 1198458 if(IS_DIR(mb_type, i, list)){
2259 int ref;
2260 869530 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2261
2/2
✓ Branch 0 taken 549700 times.
✓ Branch 1 taken 319830 times.
 869530 if (rc > 1) {
2262 549700 ref= decode_cabac_mb_ref(sl, list, 8 * i);
2263
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 549700 times.
 549700 if (ref >= rc) {
2264 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2265 ✗ return -1;
2266 }
2267 }else
2268 319830 ref=0;
2269 869530 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2270 }else
2271 328928 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 388254 times.
 987483 for (list = 0; list < sl->list_count; list++) {
2275
2/2
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✓ Branch 1 taken 599229 times.
 1797687 for(i=0; i<2; i++){
2276
2/2
✓ Branch 0 taken 869530 times.
✓ Branch 1 taken 328928 times.
 1198458 if(IS_DIR(mb_type, i, list)){
2277 int mx,my,mpx,mpy;
2278 869530 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 869530 times.
 869530 DECODE_CABAC_MB_MVD(sl, list, 8*i)
2280 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2281
2282 869530 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2283 869530 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2284 }else{
2285 328928 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2286 328928 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 352454 times.
 884565 for (list = 0; list < sl->list_count; list++) {
2293
2/2
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✓ Branch 1 taken 532111 times.
 1596333 for(i=0; i<2; i++){
2294
2/2
✓ Branch 0 taken 783080 times.
✓ Branch 1 taken 281142 times.
 1064222 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2295 int ref;
2296 783080 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2297
2/2
✓ Branch 0 taken 466540 times.
✓ Branch 1 taken 316540 times.
 783080 if (rc > 1) {
2298 466540 ref = decode_cabac_mb_ref(sl, list, 4 * i);
2299
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 466540 times.
 466540 if (ref >= rc) {
2300 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2301 ✗ return -1;
2302 }
2303 }else
2304 316540 ref=0;
2305 783080 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2306 }else
2307 281142 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 352454 times.
 884565 for (list = 0; list < sl->list_count; list++) {
2311
2/2
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✓ Branch 1 taken 532111 times.
 1596333 for(i=0; i<2; i++){
2312
2/2
✓ Branch 0 taken 783080 times.
✓ Branch 1 taken 281142 times.
 1064222 if(IS_DIR(mb_type, i, list)){
2313 int mx,my,mpx,mpy;
2314 783080 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 783080 times.
 783080 DECODE_CABAC_MB_MVD(sl, list, 4*i)
2316
2317 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2318 783080 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2319 783080 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2320 }else{
2321 281142 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2322 281142 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 4594929 times.
✓ Branch 1 taken 2641319 times.
 7236248 if( IS_INTER( mb_type ) ) {
2330 4594929 h->chroma_pred_mode_table[mb_xy] = 0;
2331 4594929 write_back_motion(h, sl, mb_type);
2332 }
2333
2334
2/2
✓ Branch 0 taken 6481952 times.
✓ Branch 1 taken 754296 times.
 7236248 if( !IS_INTRA16x16( mb_type ) ) {
2335 6481952 cbp = decode_cabac_mb_cbp_luma(sl);
2336
2/2
✓ Branch 0 taken 6293182 times.
✓ Branch 1 taken 188770 times.
 6481952 if(decode_chroma)
2337 6293182 cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
2338 } else {
2339
4/4
✓ Branch 0 taken 6527 times.
✓ Branch 1 taken 747769 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 6526 times.
 754296 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 7236247 h->cbp_table[mb_xy] = sl->cbp = cbp;
2346
2347
6/6
✓ Branch 0 taken 4540633 times.
✓ Branch 1 taken 2695614 times.
✓ Branch 2 taken 3242271 times.
✓ Branch 3 taken 1298362 times.
✓ Branch 4 taken 1553168 times.
✓ Branch 5 taken 1689103 times.
 7236247 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2348 1553168 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 7083255 times.
✓ Branch 2 taken 58789 times.
✓ Branch 3 taken 94203 times.
 7236247 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2354 int i;
2355 58789 uint8_t *nnz_cache = sl->non_zero_count_cache;
2356
2/2
✓ Branch 0 taken 58752 times.
✓ Branch 1 taken 37 times.
 58789 if (h->x264_build < 151U) {
2357
2/2
✓ Branch 0 taken 117504 times.
✓ Branch 1 taken 58752 times.
 176256 for (i = 0; i < 2; i++){
2358
4/4
✓ Branch 0 taken 115742 times.
✓ 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
✓ Branch 0 taken 57258 times.
✓ 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
✓ Branch 0 taken 74 times.
✓ Branch 1 taken 37 times.
 111 for (i = 0; i < 2; i++){
2375
4/4
✓ Branch 0 taken 52 times.
✓ 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
✓ Branch 0 taken 33 times.
✓ 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 7236247 h->cur_pic.mb_type[mb_xy] = mb_type;
2393
2394
4/4
✓ Branch 0 taken 1529244 times.
✓ Branch 1 taken 5707003 times.
✓ Branch 2 taken 330253 times.
✓ Branch 3 taken 1198991 times.
 13273503 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 940849 times.
✓ Branch 1 taken 5096407 times.
✓ Branch 3 taken 1136370 times.
✓ Branch 4 taken 4900886 times.
 6037256 if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
2400 1136370 int val = 1;
2401 1136370 int ctx= 2;
2402 1136370 const int max_qp = 51 + 6*(sps->bit_depth_luma-8);
2403
2404
2/2
✓ Branch 1 taken 6661774 times.
✓ Branch 2 taken 1136370 times.
 7798144 while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) {
2405 6661774 ctx= 3;
2406 6661774 val++;
2407
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6661774 times.
 6661774 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 565412 times.
✓ Branch 1 taken 570958 times.
 1136370 if( val&0x01 )
2414 565412 val= (val + 1)>>1 ;
2415 else
2416 570958 val= -((val + 1)>>1);
2417 1136370 sl->last_qscale_diff = val;
2418 1136370 sl->qscale += val;
2419
2/2
✓ Branch 0 taken 10602 times.
✓ Branch 1 taken 1125768 times.
 1136370 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 1136370 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2424 1136370 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2425 }else
2426 4900886 sl->last_qscale_diff=0;
2427
2428
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 6037256 if(IS_INTERLACED(mb_type)){
2429
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 2342022 scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2430
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 2342022 scan = sl->qscale ? h->field_scan : h->field_scan_q0;
2431 }else{
2432
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 3695234 scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2433
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 3695234 scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2434 }
2435
2436 6037256 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2437
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 6037256 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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 5945314 } 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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 5480124 if( cbp&0x30 ){
2468 int c;
2469
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 8407371 for (c = 0; c < 2; c++)
2470 5604914 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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 5480124 if( cbp&0x20 ) {
2475 int c, i;
2476
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 4426659 for( c = 0; c < 2; c++ ) {
2477
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 2951106 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2478
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 14755530 for( i = 0; i < 4; i++ ) {
2479 11804424 const int index = 16 + 16 * c + i;
2480 11804424 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2481 }
2482 }
2483 } else {
2484 4004571 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2485 4004571 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2486 }
2487 }
2488 } else {
2489 1198991 fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2490 1198991 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2491 1198991 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2492 1198991 sl->last_qscale_diff = 0;
2493 }
2494
2495 7236247 h->cur_pic.qscale_table[mb_xy] = sl->qscale;
2496 7236247 write_back_non_zero_count(h, sl);
2497
2498 7236247 return 0;
2499 }
2500