FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/h264_cabac.c
Date: 2026-01-16 07:34:38
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 21301 void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl)
1263 {
1264 int i;
1265 const int8_t (*tab)[2];
1266 21301 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 2556 times.
✓ Branch 1 taken 18745 times.
 21301 if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
1269 18745 else tab = cabac_context_init_PB[sl->cabac_init_idc];
1270
1271 /* calculate pre-state */
1272
2/2
✓ Branch 0 taken 21812224 times.
✓ Branch 1 taken 21301 times.
 21833525 for( i= 0; i < 1024; i++ ) {
1273 21812224 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1274
1275 21812224 pre^= pre>>31;
1276
2/2
✓ Branch 0 taken 369302 times.
✓ Branch 1 taken 21442922 times.
 21812224 if(pre > 124)
1277 369302 pre= 124 + (pre&1);
1278
1279 21812224 sl->cabac_state[i] = pre;
1280 }
1281 21301 }
1282
1283 4358137 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 4358137 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 2654413 static int decode_cabac_intra_mb_type(H264SliceContext *sl,
1305 int ctx_base, int intra_slice)
1306 {
1307 2654413 uint8_t *state= &sl->cabac_state[ctx_base];
1308 int mb_type;
1309
1310
2/2
✓ Branch 0 taken 1626410 times.
✓ Branch 1 taken 1028003 times.
 2654413 if(intra_slice){
1311 1626410 int ctx=0;
1312
2/2
✓ Branch 0 taken 398375 times.
✓ Branch 1 taken 1228035 times.
 1626410 if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1313 398375 ctx++;
1314
2/2
✓ Branch 0 taken 386064 times.
✓ Branch 1 taken 1240346 times.
 1626410 if (sl->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1315 386064 ctx++;
1316
2/2
✓ Branch 1 taken 1219766 times.
✓ Branch 2 taken 406644 times.
 1626410 if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 )
1317 1219766 return 0; /* I4x4 */
1318 406644 state += 2;
1319 }else{
1320
2/2
✓ Branch 1 taken 673320 times.
✓ Branch 2 taken 354683 times.
 1028003 if( get_cabac_noinline( &sl->cabac, state ) == 0 )
1321 673320 return 0; /* I4x4 */
1322 }
1323
1324
2/2
✓ Branch 1 taken 5659 times.
✓ Branch 2 taken 755668 times.
 761327 if( get_cabac_terminate( &sl->cabac ) )
1325 5659 return 25; /* PCM */
1326
1327 755668 mb_type = 1; /* I16x16 */
1328 755668 mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */
1329
2/2
✓ Branch 1 taken 282595 times.
✓ Branch 2 taken 473073 times.
 755668 if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */
1330 282595 mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] );
1331 755668 mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] );
1332 755668 mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] );
1333 755668 return mb_type;
1334 }
1335
1336 8880037 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 8880037 int ctx = 0;
1341
1342
2/2
✓ Branch 0 taken 1373652 times.
✓ Branch 1 taken 7506385 times.
 8880037 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
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✓ 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 7506385 int mb_xy = sl->mb_xy;
1359 7506385 mba_xy = mb_xy - 1;
1360 7506385 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1361 }
1362
1363
4/4
✓ Branch 0 taken 8645015 times.
✓ Branch 1 taken 235022 times.
✓ Branch 2 taken 5511594 times.
✓ Branch 3 taken 3133421 times.
 8880037 if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1364 5511594 ctx++;
1365
4/4
✓ Branch 0 taken 8163171 times.
✓ Branch 1 taken 716866 times.
✓ Branch 2 taken 5270756 times.
✓ Branch 3 taken 2892415 times.
 8880037 if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1366 5270756 ctx++;
1367
1368
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✓ Branch 0 taken 5110722 times.
✓ Branch 1 taken 3769315 times.
 8880037 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1369 5110722 ctx += 13;
1370 8880037 return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
1371 }
1372
1373 18300224 static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
1374 {
1375 18300224 int mode = 0;
1376
1377
2/2
✓ Branch 1 taken 10037375 times.
✓ Branch 2 taken 8262849 times.
 18300224 if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) )
1378 10037375 return pred_mode;
1379
1380 8262849 mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1381 8262849 mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1382 8262849 mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1383
1384 8262849 return mode + ( mode >= pred_mode );
1385 }
1386
1387 2555117 static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl)
1388 {
1389 2555117 const int mba_xy = sl->left_mb_xy[0];
1390 2555117 const int mbb_xy = sl->top_mb_xy;
1391
1392 2555117 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 2504883 times.
✓ Branch 1 taken 50234 times.
✓ Branch 2 taken 931472 times.
✓ Branch 3 taken 1573411 times.
 2555117 if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0)
1396 931472 ctx++;
1397
1398
4/4
✓ Branch 0 taken 2381576 times.
✓ Branch 1 taken 173541 times.
✓ Branch 2 taken 841105 times.
✓ Branch 3 taken 1540471 times.
 2555117 if (sl->top_type && h->chroma_pred_mode_table[mbb_xy] != 0)
1399 841105 ctx++;
1400
1401
2/2
✓ Branch 1 taken 1434787 times.
✓ Branch 2 taken 1120330 times.
 2555117 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 )
1402 1434787 return 0;
1403
1404
2/2
✓ Branch 1 taken 628660 times.
✓ Branch 2 taken 491670 times.
 1120330 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1405 628660 return 1;
1406
2/2
✓ Branch 1 taken 282910 times.
✓ Branch 2 taken 208760 times.
 491670 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1407 282910 return 2;
1408 else
1409 208760 return 3;
1410 }
1411
1412 6541228 static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
1413 {
1414 6541228 int cbp_b, cbp_a, ctx, cbp = 0;
1415
1416 6541228 cbp_a = sl->left_cbp;
1417 6541228 cbp_b = sl->top_cbp;
1418
1419
2/2
✓ Branch 0 taken 2748266 times.
✓ Branch 1 taken 3792962 times.
 6541228 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1420 6541228 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
1421
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✓ Branch 0 taken 2731129 times.
✓ Branch 1 taken 3810099 times.
 6541228 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1422 6541228 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1;
1423
2/2
✓ Branch 0 taken 2826609 times.
✓ Branch 1 taken 3714619 times.
 6541228 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1424 6541228 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2;
1425
2/2
✓ Branch 0 taken 2806398 times.
✓ Branch 1 taken 3734830 times.
 6541228 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1426 6541228 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
1427 6541228 return cbp;
1428 }
1429 6352458 static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
1430 {
1431 int ctx;
1432 int cbp_a, cbp_b;
1433
1434 6352458 cbp_a = (sl->left_cbp>>4)&0x03;
1435 6352458 cbp_b = (sl-> top_cbp>>4)&0x03;
1436
1437 6352458 ctx = 0;
1438
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✓ Branch 0 taken 2735367 times.
✓ Branch 1 taken 3617091 times.
 6352458 if( cbp_a > 0 ) ctx++;
1439
2/2
✓ Branch 0 taken 2585947 times.
✓ Branch 1 taken 3766511 times.
 6352458 if( cbp_b > 0 ) ctx += 2;
1440
2/2
✓ Branch 1 taken 3430248 times.
✓ Branch 2 taken 2922210 times.
 6352458 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 )
1441 3430248 return 0;
1442
1443 2922210 ctx = 4;
1444
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✓ Branch 0 taken 1356372 times.
✓ Branch 1 taken 1565838 times.
 2922210 if( cbp_a == 2 ) ctx++;
1445
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 2922210 if( cbp_b == 2 ) ctx += 2;
1446 2922210 return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
1447 }
1448
1449 2066364 static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
1450 {
1451
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 2066364 if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
1452 855397 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 1593208 static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
1460 {
1461 int type;
1462
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 1593208 if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
1463 162903 return 0; /* B_Direct_8x8 */
1464
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 1430305 if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) )
1465 300070 return 1 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1466 1130235 type = 3;
1467
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 1130235 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 1119788 type += 2*get_cabac( &sl->cabac, &sl->cabac_state[39] );
1473 1119788 type += get_cabac( &sl->cabac, &sl->cabac_state[39] );
1474 1119788 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 27292228 static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
1507 {
1508 int mvd;
1509
1510
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 27292228 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 16171426 *mvda= 0;
1513 16171426 return 0;
1514 }
1515
1516 11120802 mvd= 1;
1517 11120802 ctxbase+= 3;
1518
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 53603866 while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) {
1519
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 42483064 if( mvd < 4 )
1520 20715379 ctxbase++;
1521 42483064 mvd++;
1522 }
1523
1524
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 11120802 if( mvd >= 9 ) {
1525 3672771 int k = 3;
1526
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 7744441 while( get_cabac_bypass( &sl->cabac ) ) {
1527 4071670 mvd += 1 << k;
1528 4071670 k++;
1529
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 4071670 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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 18762754 while( k-- ) {
1535 15089983 mvd += get_cabac_bypass( &sl->cabac )<<k;
1536 }
1537 3672771 *mvda=mvd < 70 ? mvd : 70;
1538 }else
1539 7448031 *mvda=mvd;
1540 11120802 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 68784891 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 68784891 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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 68784891 if( is_dc ) {
1567
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 7172033 if( cat == 3 ) {
1568 6409608 idx -= CHROMA_DC_BLOCK_INDEX;
1569 6409608 nza = (sl->left_cbp>>(6+idx))&0x01;
1570 6409608 nzb = (sl-> top_cbp>>(6+idx))&0x01;
1571 } else {
1572 762425 idx -= LUMA_DC_BLOCK_INDEX;
1573 762425 nza = sl->left_cbp&(0x100<<idx);
1574 762425 nzb = sl-> top_cbp&(0x100<<idx);
1575 }
1576 } else {
1577 61612858 nza = sl->non_zero_count_cache[scan8[idx] - 1];
1578 61612858 nzb = sl->non_zero_count_cache[scan8[idx] - 8];
1579 }
1580
1581
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 68784891 if( nza > 0 )
1582 37736333 ctx++;
1583
1584
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 68784891 if( nzb > 0 )
1585 37510570 ctx += 2;
1586
1587 68784891 return base_ctx[cat] + ctx;
1588 }
1589
1590 static av_always_inline void
1591 46556628 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 46556628 int coeff_count = 0;
1639 46556628 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 46556628 significant_coeff_ctx_base = sl->cabac_state
1662 46556628 + significant_coeff_flag_offset[MB_FIELD(sl)][cat];
1663 46556628 last_coeff_ctx_base = sl->cabac_state
1664 46556628 + last_coeff_flag_offset[MB_FIELD(sl)][cat];
1665 46556628 abs_level_m1_ctx_base = sl->cabac_state
1666 46556628 + coeff_abs_level_m1_offset[cat];
1667
1668
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 52076022 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 5519394 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)];
1685 #ifdef decode_significance
1686 5519394 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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 41037234 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 40383032 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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 46556628 if( is_dc ) {
1708
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 4936940 if( cat == 3 )
1709 4462943 h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1710 else
1711 473997 h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1712 4936940 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1713 } else {
1714
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 41619688 if( max_coeff == 64 )
1715 5519394 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 36100294 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
1765
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 46556628 if (h->pixel_shift) {
1766
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 73369915 STORE_BLOCK(int32_t)
1767 } else {
1768
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 218533339 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 46556628 }
1777
1778 4282738 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 4282738 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1786 4282738 }
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 41619688 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 41619688 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1807 41619688 }
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 6401025 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 2118287 times.
✓ Branch 3 taken 4282738 times.
 6401025 if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
1830 2118287 sl->non_zero_count_cache[scan8[n]] = 0;
1831 2118287 return;
1832 }
1833 4282738 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 67110561 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 5497703 times.
✓ Branch 6 taken 25490873 times.
✓ Branch 7 taken 36121985 times.
 67110561 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 25472814 times.
 25490873 if( max_coeff == 64 ) {
1861 18059 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1862 } else {
1863 25472814 sl->non_zero_count_cache[scan8[n]] = 0;
1864 }
1865 25490873 return;
1866 }
1867 41619688 decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff);
1868 }
1869
1870 6261941 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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✓ Branch 1 taken 183884 times.
 6261941 int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
1878
2/2
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✓ Branch 1 taken 5499516 times.
 6261941 if( IS_INTRA16x16( mb_type ) ) {
1879 762425 AV_ZERO128(sl->mb_luma_dc[p]+0);
1880 762425 AV_ZERO128(sl->mb_luma_dc[p]+8);
1881 762425 AV_ZERO128(sl->mb_luma_dc[p]+16);
1882 762425 AV_ZERO128(sl->mb_luma_dc[p]+24);
1883 762425 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 350546 times.
✓ Branch 1 taken 411879 times.
 762425 if( cbp&15 ) {
1886 350546 qmul = h->ps.pps->dequant4_coeff[p][qscale];
1887
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✓ Branch 0 taken 5608736 times.
✓ Branch 1 taken 350546 times.
 5959282 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1888 5608736 const int index = 16*p + i4x4;
1889 5608736 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 411879 fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1893 }
1894 } else {
1895
2/2
✓ Branch 0 taken 1782300 times.
✓ Branch 1 taken 3717216 times.
 5499516 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1896
2/2
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✓ Branch 1 taken 5499516 times.
 27497580 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1897
2/2
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✓ Branch 1 taken 6587130 times.
 21998064 if( cbp & (1<<i8x8) ) {
1898
2/2
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✓ Branch 1 taken 9873481 times.
 15410934 if( IS_8x8DCT(mb_type) ) {
1899 5537453 const int index = 16*p + 4*i8x8;
1900 5537453 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1901 5537453 scan8x8, h->ps.pps->dequant8_coeff[cqm][qscale], 64);
1902 } else {
1903 9873481 qmul = h->ps.pps->dequant4_coeff[cqm][qscale];
1904
2/2
✓ Branch 0 taken 39493924 times.
✓ Branch 1 taken 9873481 times.
 49367405 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1905 39493924 const int index = 16*p + 4*i8x8 + i4x4;
1906 39493924 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 6587130 fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1911 }
1912 }
1913 }
1914 6261941 }
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 10506447 int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
1921 {
1922 10506447 const SPS *sps = h->ps.sps;
1923 int mb_xy;
1924 10506447 int mb_type, partition_count, cbp = 0;
1925 10506447 int dct8x8_allowed = h->ps.pps->transform_8x8_mode;
1926
4/4
✓ Branch 0 taken 712939 times.
✓ Branch 1 taken 9793508 times.
✓ Branch 2 taken 477512 times.
✓ Branch 3 taken 235427 times.
 10506447 const int decode_chroma = sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2;
1927 10506447 const int pixel_shift = h->pixel_shift;
1928
1929 10506447 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 8880037 times.
✓ Branch 1 taken 1626410 times.
 10506447 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 7506385 times.
✓ Branch 2 taken 686826 times.
✓ Branch 3 taken 686826 times.
✓ Branch 4 taken 139884 times.
✓ Branch 5 taken 546942 times.
 8880037 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped)
1936 139884 skip = sl->next_mb_skipped;
1937 else
1938 8740153 skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y );
1939 /* read skip flags */
1940
2/2
✓ Branch 0 taken 3203892 times.
✓ Branch 1 taken 5676145 times.
 8880037 if( skip ) {
1941
4/4
✓ Branch 0 taken 273096 times.
✓ Branch 1 taken 2930796 times.
✓ Branch 2 taken 139884 times.
✓ Branch 3 taken 133212 times.
 3203892 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 3203892 decode_mb_skip(h, sl);
1949
1950 3203892 h->cbp_table[mb_xy] = 0;
1951 3203892 h->chroma_pred_mode_table[mb_xy] = 0;
1952 3203892 sl->last_qscale_diff = 0;
1953
1954 3203892 return 0;
1955
1956 }
1957 }
1958
2/2
✓ Branch 0 taken 1533648 times.
✓ Branch 1 taken 5768907 times.
 7302555 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 7302555 sl->prev_mb_skipped = 0;
1965
1966 7302555 fill_decode_neighbors(h, sl, -(MB_FIELD(sl)));
1967
1968
2/2
✓ Branch 0 taken 2912757 times.
✓ Branch 1 taken 4389798 times.
 7302555 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1969 2912757 int ctx = 0;
1970 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B);
1971
1972
2/2
✓ Branch 0 taken 2074319 times.
✓ Branch 1 taken 838438 times.
 2912757 if (!IS_DIRECT(sl->left_type[LTOP] - 1))
1973 2074319 ctx++;
1974
2/2
✓ Branch 0 taken 1936840 times.
✓ Branch 1 taken 975917 times.
 2912757 if (!IS_DIRECT(sl->top_type - 1))
1975 1936840 ctx++;
1976
1977
2/2
✓ Branch 1 taken 512939 times.
✓ Branch 2 taken 2399818 times.
 2912757 if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){
1978 512939 mb_type= 0; /* B_Direct_16x16 */
1979
2/2
✓ Branch 1 taken 906058 times.
✓ Branch 2 taken 1493760 times.
 2399818 }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) {
1980 906058 mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */
1981 }else{
1982 int bits;
1983 1493760 bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3;
1984 1493760 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2;
1985 1493760 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1;
1986 1493760 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1987
2/2
✓ Branch 0 taken 449807 times.
✓ Branch 1 taken 1043953 times.
 1493760 if( bits < 8 ){
1988 449807 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1989
2/2
✓ Branch 0 taken 491656 times.
✓ Branch 1 taken 552297 times.
 1043953 }else if( bits == 13 ){
1990 491656 mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
1991 491656 goto decode_intra_mb;
1992
2/2
✓ Branch 0 taken 15837 times.
✓ Branch 1 taken 536460 times.
 552297 }else if( bits == 14 ){
1993 15837 mb_type= 11; /* B_L1_L0_8x16 */
1994
2/2
✓ Branch 0 taken 398302 times.
✓ Branch 1 taken 138158 times.
 536460 }else if( bits == 15 ){
1995 398302 mb_type= 22; /* B_8x8 */
1996 }else{
1997 138158 bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1998 138158 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1999 }
2000 }
2001 2421101 partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
2002 2421101 mb_type = ff_h264_b_mb_type_info[mb_type].type;
2003
2/2
✓ Branch 0 taken 2763388 times.
✓ Branch 1 taken 1626410 times.
 4389798 } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
2004
2/2
✓ Branch 1 taken 2227041 times.
✓ Branch 2 taken 536347 times.
 2763388 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) {
2005 /* P-type */
2006
2/2
✓ Branch 1 taken 1864892 times.
✓ Branch 2 taken 362149 times.
 2227041 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) {
2007 /* P_L0_D16x16, P_8x8 */
2008 1864892 mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] );
2009 } else {
2010 /* P_L0_D8x16, P_L0_D16x8 */
2011 362149 mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] );
2012 }
2013 2227041 partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
2014 2227041 mb_type = ff_h264_p_mb_type_info[mb_type].type;
2015 } else {
2016 536347 mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
2017 536347 goto decode_intra_mb;
2018 }
2019 } else {
2020 1626410 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.
 1626410 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 1626410 decode_intra_mb:
2025 2654413 partition_count = 0;
2026 2654413 cbp = ff_h264_i_mb_type_info[mb_type].cbp;
2027 2654413 sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
2028 2654413 mb_type = ff_h264_i_mb_type_info[mb_type].type;
2029 }
2030
2/2
✓ Branch 0 taken 2827746 times.
✓ Branch 1 taken 4474809 times.
 7302555 if (MB_FIELD(sl))
2031 2827746 mb_type |= MB_TYPE_INTERLACED;
2032
2033 7302555 h->slice_table[mb_xy] = sl->slice_num;
2034
2035
2/2
✓ Branch 0 taken 5659 times.
✓ Branch 1 taken 7296896 times.
 7302555 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 7296896 fill_decode_caches(h, sl, mb_type);
2073
2074
2/2
✓ Branch 0 taken 2648754 times.
✓ Branch 1 taken 4648142 times.
 7296896 if( IS_INTRA( mb_type ) ) {
2075 int i, pred_mode;
2076
2/2
✓ Branch 0 taken 1893086 times.
✓ Branch 1 taken 755668 times.
 2648754 if( IS_INTRA4x4( mb_type ) ) {
2077
4/4
✓ Branch 0 taken 1609150 times.
✓ Branch 1 taken 283936 times.
✓ Branch 3 taken 999096 times.
✓ Branch 4 taken 610054 times.
 1893086 if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) {
2078 999096 mb_type |= MB_TYPE_8x8DCT;
2079
2/2
✓ Branch 0 taken 3996384 times.
✓ Branch 1 taken 999096 times.
 4995480 for( i = 0; i < 16; i+=4 ) {
2080 3996384 int pred = pred_intra_mode(h, sl, i);
2081 3996384 int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2082 3996384 fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
2083 }
2084 } else {
2085
2/2
✓ Branch 0 taken 14303840 times.
✓ Branch 1 taken 893990 times.
 15197830 for( i = 0; i < 16; i++ ) {
2086 14303840 int pred = pred_intra_mode(h, sl, i);
2087 14303840 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 1893086 write_back_intra_pred_mode(h, sl);
2094
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1893086 times.
 1893086 if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
2095 1893086 sl->top_samples_available, sl->left_samples_available) < 0 )
2096 ✗ return -1;
2097 } else {
2098 1511336 sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2099 755668 sl->left_samples_available, sl->intra16x16_pred_mode, 0);
2100
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 755668 times.
 755668 if (sl->intra16x16_pred_mode < 0) return -1;
2101 }
2102
2/2
✓ Branch 0 taken 2555117 times.
✓ Branch 1 taken 93637 times.
 2648754 if(decode_chroma){
2103 2555117 h->chroma_pred_mode_table[mb_xy] =
2104 2555117 pred_mode = decode_cabac_mb_chroma_pre_mode(h, sl);
2105
2106 2555117 pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2107 2555117 sl->left_samples_available, pred_mode, 1 );
2108
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2555117 times.
 2555117 if( pred_mode < 0 ) return -1;
2109 2555117 sl->chroma_pred_mode = pred_mode;
2110 } else {
2111 93637 sl->chroma_pred_mode = DC_128_PRED8x8;
2112 }
2113
2/2
✓ Branch 0 taken 914893 times.
✓ Branch 1 taken 3733249 times.
 4648142 } else if( partition_count == 4 ) {
2114 int i, j, sub_partition_count[4], list, ref[2][4];
2115
2116
2/2
✓ Branch 0 taken 398302 times.
✓ Branch 1 taken 516591 times.
 914893 if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
2117
2/2
✓ Branch 0 taken 1593208 times.
✓ Branch 1 taken 398302 times.
 1991510 for( i = 0; i < 4; i++ ) {
2118 1593208 sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
2119 1593208 sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2120 1593208 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 80137 times.
✓ Branch 1 taken 318165 times.
 398302 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 80137 ff_h264_pred_direct_motion(h, sl, &mb_type);
2125 80137 sl->ref_cache[0][scan8[4]] =
2126 80137 sl->ref_cache[1][scan8[4]] =
2127 80137 sl->ref_cache[0][scan8[12]] =
2128 80137 sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2129
2/2
✓ Branch 0 taken 320548 times.
✓ Branch 1 taken 80137 times.
 400685 for( i = 0; i < 4; i++ )
2130 320548 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 2066364 times.
✓ Branch 1 taken 516591 times.
 2582955 for( i = 0; i < 4; i++ ) {
2134 2066364 sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
2135 2066364 sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2136 2066364 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 914893 times.
 2228088 for( list = 0; list < sl->list_count; list++ ) {
2141
2/2
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✓ Branch 1 taken 1313195 times.
 6565975 for( i = 0; i < 4; i++ ) {
2142
2/2
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✓ Branch 1 taken 4926974 times.
 5252780 if(IS_DIRECT(sl->sub_mb_type[i])) continue;
2143
2/2
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✓ Branch 1 taken 433628 times.
 4926974 if(IS_DIR(sl->sub_mb_type[i], 0, list)){
2144 4493346 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2145
2/2
✓ Branch 0 taken 2960027 times.
✓ Branch 1 taken 1533319 times.
 4493346 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 1533319 ref[list][i] = 0;
2153 } else {
2154 433628 ref[list][i] = -1;
2155 }
2156 4926974 sl->ref_cache[list][scan8[4 * i] + 1] =
2157 4926974 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 252296 times.
✓ Branch 1 taken 662597 times.
 914893 if(dct8x8_allowed)
2162 252296 dct8x8_allowed = get_dct8x8_allowed(h, sl);
2163
2164
2/2
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✓ Branch 1 taken 914893 times.
 2228088 for (list = 0; list < sl->list_count; list++) {
2165
2/2
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✓ Branch 1 taken 1313195 times.
 6565975 for(i=0; i<4; i++){
2166 5252780 sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1];
2167
2/2
✓ Branch 0 taken 325806 times.
✓ Branch 1 taken 4926974 times.
 5252780 if(IS_DIRECT(sl->sub_mb_type[i])){
2168 325806 fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2169 325806 continue;
2170 }
2171
2172
3/4
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✓ Branch 1 taken 433628 times.
✓ Branch 2 taken 4493346 times.
✗ Branch 3 not taken.
 9420320 if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){
2173 4493346 const int sub_mb_type= sl->sub_mb_type[i];
2174
2/2
✓ Branch 0 taken 3307746 times.
✓ Branch 1 taken 1185600 times.
 4493346 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2175
2/2
✓ Branch 0 taken 9287977 times.
✓ Branch 1 taken 4493346 times.
 13781323 for(j=0; j<sub_partition_count[i]; j++){
2176 int mpx, mpy;
2177 int mx, my;
2178 9287977 const int index= 4*i + block_width*j;
2179 9287977 int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
2180 9287977 uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
2181 9287977 pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
2182
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✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 9287977 times.
 9287977 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 1481225 times.
✓ Branch 1 taken 7806752 times.
 9287977 if(IS_SUB_8X8(sub_mb_type)){
2186 1481225 mv_cache[ 1 ][0]=
2187 1481225 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2188 1481225 mv_cache[ 1 ][1]=
2189 1481225 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2190
2191 1481225 mvd_cache[ 1 ][0]=
2192 1481225 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2193 1481225 mvd_cache[ 1 ][1]=
2194 1481225 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
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✓ 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 9287977 mv_cache[ 0 ][0]= mx;
2209 9287977 mv_cache[ 0 ][1]= my;
2210
2211 9287977 mvd_cache[ 0 ][0]= mpx;
2212 9287977 mvd_cache[ 0 ][1]= mpy;
2213 }
2214 }else{
2215 433628 fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2216 433628 fill_rectangle(sl->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2217 }
2218 }
2219 }
2220
2/2
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✓ Branch 1 taken 3220310 times.
 3733249 } else if( IS_DIRECT(mb_type) ) {
2221 512939 ff_h264_pred_direct_motion(h, sl, &mb_type);
2222 512939 fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2223 512939 fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2224 512939 dct8x8_allowed &= sps->direct_8x8_inference_flag;
2225 } else {
2226 int list, i;
2227
2/2
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✓ Branch 1 taken 754071 times.
 3220310 if(IS_16X16(mb_type)){
2228
2/2
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✓ Branch 1 taken 2466239 times.
 6050416 for (list = 0; list < sl->list_count; list++) {
2229
2/2
✓ Branch 0 taken 2678119 times.
✓ Branch 1 taken 906058 times.
 3584177 if(IS_DIR(mb_type, 0, list)){
2230 int ref;
2231 2678119 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2232
2/2
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✓ Branch 1 taken 1099302 times.
 2678119 if (rc > 1) {
2233 1578817 ref= decode_cabac_mb_ref(sl, list, 0);
2234
1/2
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✓ 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 1099302 ref=0;
2240 2678119 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 2466239 times.
 6050416 for (list = 0; list < sl->list_count; list++) {
2244
2/2
✓ Branch 0 taken 2678119 times.
✓ Branch 1 taken 906058 times.
 3584177 if(IS_DIR(mb_type, 0, list)){
2245 int mx,my,mpx,mpy;
2246 2678119 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 2678119 times.
 2678119 DECODE_CABAC_MB_MVD(sl, list, 0)
2248 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2249
2250 2678119 fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2251 2678119 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 360184 times.
 754071 else if(IS_16X8(mb_type)){
2256
2/2
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✓ Branch 1 taken 393887 times.
 999252 for (list = 0; list < sl->list_count; list++) {
2257
2/2
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✓ Branch 1 taken 605365 times.
 1816095 for(i=0; i<2; i++){
2258
2/2
✓ Branch 0 taken 881042 times.
✓ Branch 1 taken 329688 times.
 1210730 if(IS_DIR(mb_type, i, list)){
2259 int ref;
2260 881042 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2261
2/2
✓ Branch 0 taken 549700 times.
✓ Branch 1 taken 331342 times.
 881042 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 331342 ref=0;
2269 881042 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2270 }else
2271 329688 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 393887 times.
 999252 for (list = 0; list < sl->list_count; list++) {
2275
2/2
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✓ Branch 1 taken 605365 times.
 1816095 for(i=0; i<2; i++){
2276
2/2
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✓ Branch 1 taken 329688 times.
 1210730 if(IS_DIR(mb_type, i, list)){
2277 int mx,my,mpx,mpy;
2278 881042 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.
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 881042 DECODE_CABAC_MB_MVD(sl, list, 8*i)
2280 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2281
2282 881042 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2283 881042 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2284 }else{
2285 329688 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2286 329688 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 360184 times.
 900812 for (list = 0; list < sl->list_count; list++) {
2293
2/2
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✓ Branch 1 taken 540628 times.
 1621884 for(i=0; i<2; i++){
2294
2/2
✓ Branch 0 taken 798976 times.
✓ Branch 1 taken 282280 times.
 1081256 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2295 int ref;
2296 798976 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2297
2/2
✓ Branch 0 taken 466540 times.
✓ Branch 1 taken 332436 times.
 798976 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 332436 ref=0;
2305 798976 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2306 }else
2307 282280 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 360184 times.
 900812 for (list = 0; list < sl->list_count; list++) {
2311
2/2
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✓ Branch 1 taken 540628 times.
 1621884 for(i=0; i<2; i++){
2312
2/2
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✓ Branch 1 taken 282280 times.
 1081256 if(IS_DIR(mb_type, i, list)){
2313 int mx,my,mpx,mpy;
2314 798976 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 798976 times.
 798976 DECODE_CABAC_MB_MVD(sl, list, 4*i)
2316
2317 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2318 798976 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2319 798976 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2320 }else{
2321 282280 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2322 282280 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 4648142 times.
✓ Branch 1 taken 2648754 times.
 7296896 if( IS_INTER( mb_type ) ) {
2330 4648142 h->chroma_pred_mode_table[mb_xy] = 0;
2331 4648142 write_back_motion(h, sl, mb_type);
2332 }
2333
2334
2/2
✓ Branch 0 taken 6541228 times.
✓ Branch 1 taken 755668 times.
 7296896 if( !IS_INTRA16x16( mb_type ) ) {
2335 6541228 cbp = decode_cabac_mb_cbp_luma(sl);
2336
2/2
✓ Branch 0 taken 6352458 times.
✓ Branch 1 taken 188770 times.
 6541228 if(decode_chroma)
2337 6352458 cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
2338 } else {
2339
4/4
✓ Branch 0 taken 6527 times.
✓ Branch 1 taken 749141 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 6526 times.
 755668 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 7296895 h->cbp_table[mb_xy] = sl->cbp = cbp;
2346
2347
6/6
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✓ Branch 1 taken 2695614 times.
✓ Branch 2 taken 3280249 times.
✓ Branch 3 taken 1321032 times.
✓ Branch 4 taken 1585558 times.
✓ Branch 5 taken 1694691 times.
 7296895 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2348 1585558 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 7143903 times.
✓ Branch 2 taken 58789 times.
✓ Branch 3 taken 94203 times.
 7296895 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2354 int i;
2355 58789 uint8_t *nnz_cache = sl->non_zero_count_cache;
2356
2/2
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✓ Branch 1 taken 37 times.
 58789 if (h->x264_build < 151U) {
2357
2/2
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✓ Branch 1 taken 58752 times.
 176256 for (i = 0; i < 2; i++){
2358
4/4
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✓ Branch 1 taken 1762 times.
✓ Branch 2 taken 10860 times.
✓ Branch 3 taken 104882 times.
 117504 if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2359 10860 nnz_cache[3+8* 1 + 2*8*i]=
2360 10860 nnz_cache[3+8* 2 + 2*8*i]=
2361 10860 nnz_cache[3+8* 6 + 2*8*i]=
2362 10860 nnz_cache[3+8* 7 + 2*8*i]=
2363 10860 nnz_cache[3+8*11 + 2*8*i]=
2364
2/2
✓ Branch 0 taken 962 times.
✓ Branch 1 taken 9898 times.
 10860 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2365 }
2366 }
2367
4/4
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✓ Branch 1 taken 1494 times.
✓ Branch 2 taken 5303 times.
✓ Branch 3 taken 51955 times.
 58752 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2368
2/2
✓ Branch 0 taken 4731 times.
✓ Branch 1 taken 572 times.
 5303 uint32_t top_empty = !IS_INTRA(mb_type) ? 0 : 0x40404040;
2369 5303 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2370 5303 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2371 5303 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2372 }
2373 } else {
2374
2/2
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✓ Branch 1 taken 37 times.
 111 for (i = 0; i < 2; i++){
2375
4/4
✓ 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
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✓ Branch 1 taken 4 times.
✓ Branch 2 taken 7 times.
✓ Branch 3 taken 26 times.
 37 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2385
1/2
✓ Branch 0 taken 7 times.
✗ Branch 1 not taken.
 7 uint32_t top_empty = !IS_INTRA_PCM(sl->top_type) ? 0 : 0x40404040;
2386 7 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2387 7 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2388 7 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2389 }
2390 }
2391 }
2392 7296895 h->cur_pic.mb_type[mb_xy] = mb_type;
2393
2394
4/4
✓ Branch 0 taken 1550302 times.
✓ Branch 1 taken 5746593 times.
✓ Branch 2 taken 331464 times.
✓ Branch 3 taken 1218838 times.
 13374952 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
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✓ Branch 1 taken 5124274 times.
✓ Branch 3 taken 1154759 times.
✓ Branch 4 taken 4923298 times.
 6078057 if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
2400 1154759 int val = 1;
2401 1154759 int ctx= 2;
2402 1154759 const int max_qp = 51 + 6*(sps->bit_depth_luma-8);
2403
2404
2/2
✓ Branch 1 taken 6762486 times.
✓ Branch 2 taken 1154759 times.
 7917245 while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) {
2405 6762486 ctx= 3;
2406 6762486 val++;
2407
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6762486 times.
 6762486 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 574739 times.
✓ Branch 1 taken 580020 times.
 1154759 if( val&0x01 )
2414 574739 val= (val + 1)>>1 ;
2415 else
2416 580020 val= -((val + 1)>>1);
2417 1154759 sl->last_qscale_diff = val;
2418 1154759 sl->qscale += val;
2419
2/2
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✓ Branch 1 taken 1144157 times.
 1154759 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 1154759 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2424 1154759 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2425 }else
2426 4923298 sl->last_qscale_diff=0;
2427
2428
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 6078057 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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 3736035 scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2433
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 3736035 scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2434 }
2435
2436 6078057 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2437
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 6078057 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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 5986115 } 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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 5520925 if( cbp&0x30 ){
2468 int c;
2469
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 8457900 for (c = 0; c < 2; c++)
2470 5638600 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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 5520925 if( cbp&0x20 ) {
2475 int c, i;
2476
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 4448214 for( c = 0; c < 2; c++ ) {
2477
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✓ Branch 1 taken 1356542 times.
 2965476 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2478
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 14827380 for( i = 0; i < 4; i++ ) {
2479 11861904 const int index = 16 + 16 * c + i;
2480 11861904 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2481 }
2482 }
2483 } else {
2484 4038187 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2485 4038187 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2486 }
2487 }
2488 } else {
2489 1218838 fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2490 1218838 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2491 1218838 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2492 1218838 sl->last_qscale_diff = 0;
2493 }
2494
2495 7296895 h->cur_pic.qscale_table[mb_xy] = sl->qscale;
2496 7296895 write_back_non_zero_count(h, sl);
2497
2498 7296895 return 0;
2499 }
2500