FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/h264_cabac.c
Date: 2026-04-25 22:17:55
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 21520 void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl)
1263 {
1264 int i;
1265 const int8_t (*tab)[2];
1266 21520 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 2627 times.
✓ Branch 1 taken 18893 times.
 21520 if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I;
1269 18893 else tab = cabac_context_init_PB[sl->cabac_init_idc];
1270
1271 /* calculate pre-state */
1272
2/2
✓ Branch 0 taken 22036480 times.
✓ Branch 1 taken 21520 times.
 22058000 for( i= 0; i < 1024; i++ ) {
1273 22036480 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1274
1275 22036480 pre^= pre>>31;
1276
2/2
✓ Branch 0 taken 378287 times.
✓ Branch 1 taken 21658193 times.
 22036480 if(pre > 124)
1277 378287 pre= 124 + (pre&1);
1278
1279 22036480 sl->cabac_state[i] = pre;
1280 }
1281 21520 }
1282
1283 4375472 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 4375472 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 2681333 static int decode_cabac_intra_mb_type(H264SliceContext *sl,
1305 int ctx_base, int intra_slice)
1306 {
1307 2681333 uint8_t *state= &sl->cabac_state[ctx_base];
1308 int mb_type;
1309
1310
2/2
✓ Branch 0 taken 1643754 times.
✓ Branch 1 taken 1037579 times.
 2681333 if(intra_slice){
1311 1643754 int ctx=0;
1312
2/2
✓ Branch 0 taken 408193 times.
✓ Branch 1 taken 1235561 times.
 1643754 if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1313 408193 ctx++;
1314
2/2
✓ Branch 0 taken 395678 times.
✓ Branch 1 taken 1248076 times.
 1643754 if (sl->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1315 395678 ctx++;
1316
2/2
✓ Branch 1 taken 1226946 times.
✓ Branch 2 taken 416808 times.
 1643754 if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 )
1317 1226946 return 0; /* I4x4 */
1318 416808 state += 2;
1319 }else{
1320
2/2
✓ Branch 1 taken 674102 times.
✓ Branch 2 taken 363477 times.
 1037579 if( get_cabac_noinline( &sl->cabac, state ) == 0 )
1321 674102 return 0; /* I4x4 */
1322 }
1323
1324
2/2
✓ Branch 1 taken 5659 times.
✓ Branch 2 taken 774626 times.
 780285 if( get_cabac_terminate( &sl->cabac ) )
1325 5659 return 25; /* PCM */
1326
1327 774626 mb_type = 1; /* I16x16 */
1328 774626 mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */
1329
2/2
✓ Branch 1 taken 283008 times.
✓ Branch 2 taken 491618 times.
 774626 if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */
1330 283008 mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] );
1331 774626 mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] );
1332 774626 mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] );
1333 774626 return mb_type;
1334 }
1335
1336 9061173 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 9061173 int ctx = 0;
1341
1342
2/2
✓ Branch 0 taken 1373652 times.
✓ Branch 1 taken 7687521 times.
 9061173 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1343 1373652 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1344 1373652 mba_xy = mb_xy - 1;
1345
2/2
✓ Branch 0 taken 686826 times.
✓ Branch 1 taken 686826 times.
 1373652 if( (mb_y&1)
1346
2/2
✓ Branch 0 taken 668718 times.
✓ Branch 1 taken 18108 times.
 686826 && h->slice_table[mba_xy] == sl->slice_num
1347
2/2
✓ Branch 0 taken 541278 times.
✓ Branch 1 taken 127440 times.
 668718 && MB_FIELD(sl) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1348 541278 mba_xy += h->mb_stride;
1349
2/2
✓ Branch 0 taken 374397 times.
✓ Branch 1 taken 999255 times.
 1373652 if (MB_FIELD(sl)) {
1350 374397 mbb_xy = mb_xy - h->mb_stride;
1351
2/2
✓ Branch 0 taken 186903 times.
✓ Branch 1 taken 187494 times.
 374397 if( !(mb_y&1)
1352
2/2
✓ Branch 0 taken 166508 times.
✓ Branch 1 taken 20395 times.
 186903 && h->slice_table[mbb_xy] == sl->slice_num
1353
2/2
✓ Branch 0 taken 83252 times.
✓ Branch 1 taken 83256 times.
 166508 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1354 83252 mbb_xy -= h->mb_stride;
1355 }else
1356 999255 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1357 }else{
1358 7687521 int mb_xy = sl->mb_xy;
1359 7687521 mba_xy = mb_xy - 1;
1360 7687521 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1361 }
1362
1363
4/4
✓ Branch 0 taken 8822339 times.
✓ Branch 1 taken 238834 times.
✓ Branch 2 taken 5536048 times.
✓ Branch 3 taken 3286291 times.
 9061173 if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1364 5536048 ctx++;
1365
4/4
✓ Branch 0 taken 8337695 times.
✓ Branch 1 taken 723478 times.
✓ Branch 2 taken 5294159 times.
✓ Branch 3 taken 3043536 times.
 9061173 if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1366 5294159 ctx++;
1367
1368
2/2
✓ Branch 0 taken 5166642 times.
✓ Branch 1 taken 3894531 times.
 9061173 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1369 5166642 ctx += 13;
1370 9061173 return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
1371 }
1372
1373 18393752 static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
1374 {
1375 18393752 int mode = 0;
1376
1377
2/2
✓ Branch 1 taken 10105644 times.
✓ Branch 2 taken 8288108 times.
 18393752 if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) )
1378 10105644 return pred_mode;
1379
1380 8288108 mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1381 8288108 mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1382 8288108 mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] );
1383
1384 8288108 return mode + ( mode >= pred_mode );
1385 }
1386
1387 2582037 static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl)
1388 {
1389 2582037 const int mba_xy = sl->left_mb_xy[0];
1390 2582037 const int mbb_xy = sl->top_mb_xy;
1391
1392 2582037 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 2531126 times.
✓ Branch 1 taken 50911 times.
✓ Branch 2 taken 934617 times.
✓ Branch 3 taken 1596509 times.
 2582037 if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0)
1396 934617 ctx++;
1397
1398
4/4
✓ Branch 0 taken 2407375 times.
✓ Branch 1 taken 174662 times.
✓ Branch 2 taken 843620 times.
✓ Branch 3 taken 1563755 times.
 2582037 if (sl->top_type && h->chroma_pred_mode_table[mbb_xy] != 0)
1399 843620 ctx++;
1400
1401
2/2
✓ Branch 1 taken 1456283 times.
✓ Branch 2 taken 1125754 times.
 2582037 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 )
1402 1456283 return 0;
1403
1404
2/2
✓ Branch 1 taken 631904 times.
✓ Branch 2 taken 493850 times.
 1125754 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1405 631904 return 1;
1406
2/2
✓ Branch 1 taken 284079 times.
✓ Branch 2 taken 209771 times.
 493850 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 )
1407 284079 return 2;
1408 else
1409 209771 return 3;
1410 }
1411
1412 6564662 static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
1413 {
1414 6564662 int cbp_b, cbp_a, ctx, cbp = 0;
1415
1416 6564662 cbp_a = sl->left_cbp;
1417 6564662 cbp_b = sl->top_cbp;
1418
1419
2/2
✓ Branch 0 taken 2767451 times.
✓ Branch 1 taken 3797211 times.
 6564662 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1420 6564662 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]);
1421
2/2
✓ Branch 0 taken 2750254 times.
✓ Branch 1 taken 3814408 times.
 6564662 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1422 6564662 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1;
1423
2/2
✓ Branch 0 taken 2846326 times.
✓ Branch 1 taken 3718336 times.
 6564662 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1424 6564662 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2;
1425
2/2
✓ Branch 0 taken 2826031 times.
✓ Branch 1 taken 3738631 times.
 6564662 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1426 6564662 cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
1427 6564662 return cbp;
1428 }
1429 6375892 static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
1430 {
1431 int ctx;
1432 int cbp_a, cbp_b;
1433
1434 6375892 cbp_a = (sl->left_cbp>>4)&0x03;
1435 6375892 cbp_b = (sl-> top_cbp>>4)&0x03;
1436
1437 6375892 ctx = 0;
1438
2/2
✓ Branch 0 taken 2736977 times.
✓ Branch 1 taken 3638915 times.
 6375892 if( cbp_a > 0 ) ctx++;
1439
2/2
✓ Branch 0 taken 2587440 times.
✓ Branch 1 taken 3788452 times.
 6375892 if( cbp_b > 0 ) ctx += 2;
1440
2/2
✓ Branch 1 taken 3451890 times.
✓ Branch 2 taken 2924002 times.
 6375892 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 )
1441 3451890 return 0;
1442
1443 2924002 ctx = 4;
1444
2/2
✓ Branch 0 taken 1357091 times.
✓ Branch 1 taken 1566911 times.
 2924002 if( cbp_a == 2 ) ctx++;
1445
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 2924002 if( cbp_b == 2 ) ctx += 2;
1446 2924002 return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
1447 }
1448
1449 2067704 static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
1450 {
1451
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 2067704 if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
1452 856737 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 1593776 static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
1460 {
1461 int type;
1462
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 1593776 if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
1463 163089 return 0; /* B_Direct_8x8 */
1464
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 1430687 if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) )
1465 300452 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 5563766 static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n)
1478 {
1479 5563766 int refa = sl->ref_cache[list][scan8[n] - 1];
1480 5563766 int refb = sl->ref_cache[list][scan8[n] - 8];
1481 5563766 int ref = 0;
1482 5563766 int ctx = 0;
1483
1484
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 5563766 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1485
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 2477689 if( refa > 0 && !(sl->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1486 701910 ctx++;
1487
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 2477689 if( refb > 0 && !(sl->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1488 652920 ctx += 2;
1489 } else {
1490
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 3086077 if( refa > 0 )
1491 1045270 ctx++;
1492
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 3086077 if( refb > 0 )
1493 1014350 ctx += 2;
1494 }
1495
1496
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 8651617 while( get_cabac( &sl->cabac, &sl->cabac_state[54+ctx] ) ) {
1497 3087851 ref++;
1498 3087851 ctx = (ctx>>2)+4;
1499
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 3087851 if(ref >= 32 /*h->ref_list[list]*/){
1500 ✗ return -1;
1501 }
1502 }
1503 5563766 return ref;
1504 }
1505
1506 27330342 static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
1507 {
1508 int mvd;
1509
1510
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 27330342 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 16195167 *mvda= 0;
1513 16195167 return 0;
1514 }
1515
1516 11135175 mvd= 1;
1517 11135175 ctxbase+= 3;
1518
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 53704749 while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) {
1519
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 42569574 if( mvd < 4 )
1520 20750825 ctxbase++;
1521 42569574 mvd++;
1522 }
1523
1524
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 11135175 if( mvd >= 9 ) {
1525 3682247 int k = 3;
1526
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 7764949 while( get_cabac_bypass( &sl->cabac ) ) {
1527 4082702 mvd += 1 << k;
1528 4082702 k++;
1529
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 4082702 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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 18811690 while( k-- ) {
1535 15129443 mvd += get_cabac_bypass( &sl->cabac )<<k;
1536 }
1537 3682247 *mvda=mvd < 70 ? mvd : 70;
1538 }else
1539 7452928 *mvda=mvd;
1540 11135175 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 68874911 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 68874911 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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 68874911 if( is_dc ) {
1567
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 7195401 if( cat == 3 ) {
1568 6414018 idx -= CHROMA_DC_BLOCK_INDEX;
1569 6414018 nza = (sl->left_cbp>>(6+idx))&0x01;
1570 6414018 nzb = (sl-> top_cbp>>(6+idx))&0x01;
1571 } else {
1572 781383 idx -= LUMA_DC_BLOCK_INDEX;
1573 781383 nza = sl->left_cbp&(0x100<<idx);
1574 781383 nzb = sl-> top_cbp&(0x100<<idx);
1575 }
1576 } else {
1577 61679510 nza = sl->non_zero_count_cache[scan8[idx] - 1];
1578 61679510 nzb = sl->non_zero_count_cache[scan8[idx] - 8];
1579 }
1580
1581
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 68874911 if( nza > 0 )
1582 37772382 ctx++;
1583
1584
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 68874911 if( nzb > 0 )
1585 37547827 ctx += 2;
1586
1587 68874911 return base_ctx[cat] + ctx;
1588 }
1589
1590 static av_always_inline void
1591 46601219 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 46601219 int coeff_count = 0;
1639 46601219 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 46601219 significant_coeff_ctx_base = sl->cabac_state
1662 46601219 + significant_coeff_flag_offset[MB_FIELD(sl)][cat];
1663 46601219 last_coeff_ctx_base = sl->cabac_state
1664 46601219 + last_coeff_flag_offset[MB_FIELD(sl)][cat];
1665 46601219 abs_level_m1_ctx_base = sl->cabac_state
1666 46601219 + coeff_abs_level_m1_offset[cat];
1667
1668
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 52124053 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 5522834 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)];
1685 #ifdef decode_significance
1686 5522834 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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 41078385 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 40424183 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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 46601219 if( is_dc ) {
1708
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 4944582 if( cat == 3 )
1709 4466249 h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1710 else
1711 478333 h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1712 4944582 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1713 } else {
1714
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 41656637 if( max_coeff == 64 )
1715 5522834 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 36133803 sl->non_zero_count_cache[scan8[n]] = coeff_count;
1719 }
1720 }
1721
1722 #define STORE_BLOCK(type) \
1723 do { \
1724 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1725 \
1726 int j= scantable[index[--coeff_count]]; \
1727 \
1728 if( get_cabac( CC, ctx ) == 0 ) { \
1729 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1730 if( is_dc ) { \
1731 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1732 }else{ \
1733 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1734 } \
1735 } else { \
1736 unsigned coeff_abs = 2; \
1737 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1738 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1739 \
1740 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1741 coeff_abs++; \
1742 } \
1743 \
1744 if( coeff_abs >= 15 ) { \
1745 int j = 0; \
1746 while (get_cabac_bypass(CC) && j < 16+7) { \
1747 j++; \
1748 } \
1749 \
1750 coeff_abs=1; \
1751 while( j-- ) { \
1752 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1753 } \
1754 coeff_abs+= 14U; \
1755 } \
1756 \
1757 if( is_dc ) { \
1758 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1759 }else{ \
1760 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1761 } \
1762 } \
1763 } while ( coeff_count );
1764
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 46601219 if (h->pixel_shift) {
1766
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 73369915 STORE_BLOCK(int32_t)
1767 } else {
1768
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 218781600 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 46601219 }
1777
1778 4290380 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 4290380 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1786 4290380 }
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 41656637 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 41656637 decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1807 41656637 }
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 6424393 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 2134013 times.
✓ Branch 3 taken 4290380 times.
 6424393 if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
1830 2134013 sl->non_zero_count_cache[scan8[n]] = 0;
1831 2134013 return;
1832 }
1833 4290380 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 67180653 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 5501143 times.
✓ Branch 6 taken 25524016 times.
✓ Branch 7 taken 36155494 times.
 67180653 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 25505957 times.
 25524016 if( max_coeff == 64 ) {
1861 18059 fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1862 } else {
1863 25505957 sl->non_zero_count_cache[scan8[n]] = 0;
1864 }
1865 25524016 return;
1866 }
1867 41656637 decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff);
1868 }
1869
1870 6288003 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.
 6288003 int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1];
1878
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✓ Branch 1 taken 5506620 times.
 6288003 if( IS_INTRA16x16( mb_type ) ) {
1879 781383 AV_ZERO128(sl->mb_luma_dc[p]+0);
1880 781383 AV_ZERO128(sl->mb_luma_dc[p]+8);
1881 781383 AV_ZERO128(sl->mb_luma_dc[p]+16);
1882 781383 AV_ZERO128(sl->mb_luma_dc[p]+24);
1883 781383 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 351339 times.
✓ Branch 1 taken 430044 times.
 781383 if( cbp&15 ) {
1886 351339 qmul = h->ps.pps->dequant4_coeff[p][qscale];
1887
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✓ Branch 0 taken 5621424 times.
✓ Branch 1 taken 351339 times.
 5972763 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1888 5621424 const int index = 16*p + i4x4;
1889 5621424 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 430044 fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1893 }
1894 } else {
1895
2/2
✓ Branch 0 taken 1787672 times.
✓ Branch 1 taken 3718948 times.
 5506620 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1896
2/2
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✓ Branch 1 taken 5506620 times.
 27533100 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1897
2/2
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✓ Branch 1 taken 6600637 times.
 22026480 if( cbp & (1<<i8x8) ) {
1898
2/2
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✓ Branch 1 taken 9884950 times.
 15425843 if( IS_8x8DCT(mb_type) ) {
1899 5540893 const int index = 16*p + 4*i8x8;
1900 5540893 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1901 5540893 scan8x8, h->ps.pps->dequant8_coeff[cqm][qscale], 64);
1902 } else {
1903 9884950 qmul = h->ps.pps->dequant4_coeff[cqm][qscale];
1904
2/2
✓ Branch 0 taken 39539800 times.
✓ Branch 1 taken 9884950 times.
 49424750 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1905 39539800 const int index = 16*p + 4*i8x8 + i4x4;
1906 39539800 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 6600637 fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1911 }
1912 }
1913 }
1914 6288003 }
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 10704927 int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
1921 {
1922 10704927 const SPS *sps = h->ps.sps;
1923 int mb_xy;
1924 10704927 int mb_type, partition_count, cbp = 0;
1925 10704927 int dct8x8_allowed = h->ps.pps->transform_8x8_mode;
1926
4/4
✓ Branch 0 taken 712939 times.
✓ Branch 1 taken 9991988 times.
✓ Branch 2 taken 477512 times.
✓ Branch 3 taken 235427 times.
 10704927 const int decode_chroma = sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2;
1927 10704927 const int pixel_shift = h->pixel_shift;
1928
1929 10704927 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 9061173 times.
✓ Branch 1 taken 1643754 times.
 10704927 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 7687521 times.
✓ Branch 2 taken 686826 times.
✓ Branch 3 taken 686826 times.
✓ Branch 4 taken 139884 times.
✓ Branch 5 taken 546942 times.
 9061173 if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped)
1936 139884 skip = sl->next_mb_skipped;
1937 else
1938 8921289 skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y );
1939 /* read skip flags */
1940
2/2
✓ Branch 0 taken 3359980 times.
✓ Branch 1 taken 5701193 times.
 9061173 if( skip ) {
1941
4/4
✓ Branch 0 taken 273096 times.
✓ Branch 1 taken 3086884 times.
✓ Branch 2 taken 139884 times.
✓ Branch 3 taken 133212 times.
 3359980 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
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✓ 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 3359980 decode_mb_skip(h, sl);
1949
1950 3359980 h->cbp_table[mb_xy] = 0;
1951 3359980 h->chroma_pred_mode_table[mb_xy] = 0;
1952 3359980 sl->last_qscale_diff = 0;
1953
1954 3359980 return 0;
1955
1956 }
1957 }
1958
2/2
✓ Branch 0 taken 1533648 times.
✓ Branch 1 taken 5811299 times.
 7344947 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 7344947 sl->prev_mb_skipped = 0;
1965
1966 7344947 fill_decode_neighbors(h, sl, -(MB_FIELD(sl)));
1967
1968
2/2
✓ Branch 0 taken 2919286 times.
✓ Branch 1 taken 4425661 times.
 7344947 if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
1969 2919286 int ctx = 0;
1970 av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B);
1971
1972
2/2
✓ Branch 0 taken 2078572 times.
✓ Branch 1 taken 840714 times.
 2919286 if (!IS_DIRECT(sl->left_type[LTOP] - 1))
1973 2078572 ctx++;
1974
2/2
✓ Branch 0 taken 1941205 times.
✓ Branch 1 taken 978081 times.
 2919286 if (!IS_DIRECT(sl->top_type - 1))
1975 1941205 ctx++;
1976
1977
2/2
✓ Branch 1 taken 512946 times.
✓ Branch 2 taken 2406340 times.
 2919286 if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){
1978 512946 mb_type= 0; /* B_Direct_16x16 */
1979
2/2
✓ Branch 1 taken 910158 times.
✓ Branch 2 taken 1496182 times.
 2406340 }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) {
1980 910158 mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */
1981 }else{
1982 int bits;
1983 1496182 bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3;
1984 1496182 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2;
1985 1496182 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1;
1986 1496182 bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1987
2/2
✓ Branch 0 taken 450895 times.
✓ Branch 1 taken 1045287 times.
 1496182 if( bits < 8 ){
1988 450895 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1989
2/2
✓ Branch 0 taken 492700 times.
✓ Branch 1 taken 552587 times.
 1045287 }else if( bits == 13 ){
1990 492700 mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
1991 492700 goto decode_intra_mb;
1992
2/2
✓ Branch 0 taken 15972 times.
✓ Branch 1 taken 536615 times.
 552587 }else if( bits == 14 ){
1993 15972 mb_type= 11; /* B_L1_L0_8x16 */
1994
2/2
✓ Branch 0 taken 398444 times.
✓ Branch 1 taken 138171 times.
 536615 }else if( bits == 15 ){
1995 398444 mb_type= 22; /* B_8x8 */
1996 }else{
1997 138171 bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] );
1998 138171 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1999 }
2000 }
2001 2426586 partition_count = ff_h264_b_mb_type_info[mb_type].partition_count;
2002 2426586 mb_type = ff_h264_b_mb_type_info[mb_type].type;
2003
2/2
✓ Branch 0 taken 2781907 times.
✓ Branch 1 taken 1643754 times.
 4425661 } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) {
2004
2/2
✓ Branch 1 taken 2237028 times.
✓ Branch 2 taken 544879 times.
 2781907 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) {
2005 /* P-type */
2006
2/2
✓ Branch 1 taken 1873781 times.
✓ Branch 2 taken 363247 times.
 2237028 if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) {
2007 /* P_L0_D16x16, P_8x8 */
2008 1873781 mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] );
2009 } else {
2010 /* P_L0_D8x16, P_L0_D16x8 */
2011 363247 mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] );
2012 }
2013 2237028 partition_count = ff_h264_p_mb_type_info[mb_type].partition_count;
2014 2237028 mb_type = ff_h264_p_mb_type_info[mb_type].type;
2015 } else {
2016 544879 mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
2017 544879 goto decode_intra_mb;
2018 }
2019 } else {
2020 1643754 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.
 1643754 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 1643754 decode_intra_mb:
2025 2681333 partition_count = 0;
2026 2681333 cbp = ff_h264_i_mb_type_info[mb_type].cbp;
2027 2681333 sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode;
2028 2681333 mb_type = ff_h264_i_mb_type_info[mb_type].type;
2029 }
2030
2/2
✓ Branch 0 taken 2827746 times.
✓ Branch 1 taken 4517201 times.
 7344947 if (MB_FIELD(sl))
2031 2827746 mb_type |= MB_TYPE_INTERLACED;
2032
2033 7344947 h->slice_table[mb_xy] = sl->slice_num;
2034
2035
2/2
✓ Branch 0 taken 5659 times.
✓ Branch 1 taken 7339288 times.
 7344947 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 7339288 fill_decode_caches(h, sl, mb_type);
2073
2074
2/2
✓ Branch 0 taken 2675674 times.
✓ Branch 1 taken 4663614 times.
 7339288 if( IS_INTRA( mb_type ) ) {
2075 int i, pred_mode;
2076
2/2
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✓ Branch 1 taken 774626 times.
 2675674 if( IS_INTRA4x4( mb_type ) ) {
2077
4/4
✓ Branch 0 taken 1615512 times.
✓ Branch 1 taken 285536 times.
✓ Branch 3 taken 1001918 times.
✓ Branch 4 taken 613594 times.
 1901048 if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) {
2078 1001918 mb_type |= MB_TYPE_8x8DCT;
2079
2/2
✓ Branch 0 taken 4007672 times.
✓ Branch 1 taken 1001918 times.
 5009590 for( i = 0; i < 16; i+=4 ) {
2080 4007672 int pred = pred_intra_mode(h, sl, i);
2081 4007672 int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
2082 4007672 fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
2083 }
2084 } else {
2085
2/2
✓ Branch 0 taken 14386080 times.
✓ Branch 1 taken 899130 times.
 15285210 for( i = 0; i < 16; i++ ) {
2086 14386080 int pred = pred_intra_mode(h, sl, i);
2087 14386080 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 1901048 write_back_intra_pred_mode(h, sl);
2094
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1901048 times.
 1901048 if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx,
2095 1901048 sl->top_samples_available, sl->left_samples_available) < 0 )
2096 ✗ return -1;
2097 } else {
2098 1549252 sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2099 774626 sl->left_samples_available, sl->intra16x16_pred_mode, 0);
2100
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 774626 times.
 774626 if (sl->intra16x16_pred_mode < 0) return -1;
2101 }
2102
2/2
✓ Branch 0 taken 2582037 times.
✓ Branch 1 taken 93637 times.
 2675674 if(decode_chroma){
2103 2582037 h->chroma_pred_mode_table[mb_xy] =
2104 2582037 pred_mode = decode_cabac_mb_chroma_pre_mode(h, sl);
2105
2106 2582037 pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available,
2107 2582037 sl->left_samples_available, pred_mode, 1 );
2108
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2582037 times.
 2582037 if( pred_mode < 0 ) return -1;
2109 2582037 sl->chroma_pred_mode = pred_mode;
2110 } else {
2111 93637 sl->chroma_pred_mode = DC_128_PRED8x8;
2112 }
2113
2/2
✓ Branch 0 taken 915370 times.
✓ Branch 1 taken 3748244 times.
 4663614 } else if( partition_count == 4 ) {
2114 int i, j, sub_partition_count[4], list, ref[2][4];
2115
2116
2/2
✓ Branch 0 taken 398444 times.
✓ Branch 1 taken 516926 times.
 915370 if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
2117
2/2
✓ Branch 0 taken 1593776 times.
✓ Branch 1 taken 398444 times.
 1992220 for( i = 0; i < 4; i++ ) {
2118 1593776 sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
2119 1593776 sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2120 1593776 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 80235 times.
✓ Branch 1 taken 318209 times.
 398444 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 80235 ff_h264_pred_direct_motion(h, sl, &mb_type);
2125 80235 sl->ref_cache[0][scan8[4]] =
2126 80235 sl->ref_cache[1][scan8[4]] =
2127 80235 sl->ref_cache[0][scan8[12]] =
2128 80235 sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2129
2/2
✓ Branch 0 taken 320940 times.
✓ Branch 1 taken 80235 times.
 401175 for( i = 0; i < 4; i++ )
2130 320940 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 2067704 times.
✓ Branch 1 taken 516926 times.
 2584630 for( i = 0; i < 4; i++ ) {
2134 2067704 sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
2135 2067704 sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
2136 2067704 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 915370 times.
 2229184 for( list = 0; list < sl->list_count; list++ ) {
2141
2/2
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✓ Branch 1 taken 1313814 times.
 6569070 for( i = 0; i < 4; i++ ) {
2142
2/2
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✓ Branch 1 taken 4929078 times.
 5255256 if(IS_DIRECT(sl->sub_mb_type[i])) continue;
2143
2/2
✓ Branch 0 taken 4495068 times.
✓ Branch 1 taken 434010 times.
 4929078 if(IS_DIR(sl->sub_mb_type[i], 0, list)){
2144 4495068 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2145
2/2
✓ Branch 0 taken 2961345 times.
✓ Branch 1 taken 1533723 times.
 4495068 if (rc > 1) {
2146 2961345 ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i);
2147
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2961345 times.
 2961345 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 1533723 ref[list][i] = 0;
2153 } else {
2154 434010 ref[list][i] = -1;
2155 }
2156 4929078 sl->ref_cache[list][scan8[4 * i] + 1] =
2157 4929078 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 252773 times.
✓ Branch 1 taken 662597 times.
 915370 if(dct8x8_allowed)
2162 252773 dct8x8_allowed = get_dct8x8_allowed(h, sl);
2163
2164
2/2
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✓ Branch 1 taken 915370 times.
 2229184 for (list = 0; list < sl->list_count; list++) {
2165
2/2
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✓ Branch 1 taken 1313814 times.
 6569070 for(i=0; i<4; i++){
2166 5255256 sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1];
2167
2/2
✓ Branch 0 taken 326178 times.
✓ Branch 1 taken 4929078 times.
 5255256 if(IS_DIRECT(sl->sub_mb_type[i])){
2168 326178 fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2169 326178 continue;
2170 }
2171
2172
3/4
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✓ Branch 1 taken 434010 times.
✓ Branch 2 taken 4495068 times.
✗ Branch 3 not taken.
 9424146 if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){
2173 4495068 const int sub_mb_type= sl->sub_mb_type[i];
2174
2/2
✓ Branch 0 taken 3309468 times.
✓ Branch 1 taken 1185600 times.
 4495068 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2175
2/2
✓ Branch 0 taken 9289699 times.
✓ Branch 1 taken 4495068 times.
 13784767 for(j=0; j<sub_partition_count[i]; j++){
2176 int mpx, mpy;
2177 int mx, my;
2178 9289699 const int index= 4*i + block_width*j;
2179 9289699 int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
2180 9289699 uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
2181 9289699 pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
2182
2/4
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✗ Branch 4 not taken.
✓ Branch 5 taken 9289699 times.
 9289699 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 1482947 times.
✓ Branch 1 taken 7806752 times.
 9289699 if(IS_SUB_8X8(sub_mb_type)){
2186 1482947 mv_cache[ 1 ][0]=
2187 1482947 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2188 1482947 mv_cache[ 1 ][1]=
2189 1482947 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2190
2191 1482947 mvd_cache[ 1 ][0]=
2192 1482947 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2193 1482947 mvd_cache[ 1 ][1]=
2194 1482947 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 9289699 mv_cache[ 0 ][0]= mx;
2209 9289699 mv_cache[ 0 ][1]= my;
2210
2211 9289699 mvd_cache[ 0 ][0]= mpx;
2212 9289699 mvd_cache[ 0 ][1]= mpy;
2213 }
2214 }else{
2215 434010 fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2216 434010 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 3235298 times.
 3748244 } else if( IS_DIRECT(mb_type) ) {
2221 512946 ff_h264_pred_direct_motion(h, sl, &mb_type);
2222 512946 fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2223 512946 fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2224 512946 dct8x8_allowed &= sps->direct_8x8_inference_flag;
2225 } else {
2226 int list, i;
2227
2/2
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✓ Branch 1 taken 756364 times.
 3235298 if(IS_16X16(mb_type)){
2228
2/2
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✓ Branch 1 taken 2478934 times.
 6079947 for (list = 0; list < sl->list_count; list++) {
2229
2/2
✓ Branch 0 taken 2690855 times.
✓ Branch 1 taken 910158 times.
 3601013 if(IS_DIR(mb_type, 0, list)){
2230 int ref;
2231 2690855 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2232
2/2
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✓ Branch 1 taken 1107579 times.
 2690855 if (rc > 1) {
2233 1583276 ref= decode_cabac_mb_ref(sl, list, 0);
2234
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1583276 times.
 1583276 if (ref >= rc) {
2235 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2236 ✗ return -1;
2237 }
2238 }else
2239 1107579 ref=0;
2240 2690855 fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2241 }
2242 }
2243
2/2
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 6079947 for (list = 0; list < sl->list_count; list++) {
2244
2/2
✓ Branch 0 taken 2690855 times.
✓ Branch 1 taken 910158 times.
 3601013 if(IS_DIR(mb_type, 0, list)){
2245 int mx,my,mpx,mpy;
2246 2690855 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 2690855 times.
 2690855 DECODE_CABAC_MB_MVD(sl, list, 0)
2248 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2249
2250 2690855 fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2251 2690855 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 361306 times.
 756364 else if(IS_16X8(mb_type)){
2256
2/2
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✓ Branch 1 taken 395058 times.
 1002198 for (list = 0; list < sl->list_count; list++) {
2257
2/2
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✓ Branch 1 taken 607140 times.
 1821420 for(i=0; i<2; i++){
2258
2/2
✓ Branch 0 taken 883389 times.
✓ Branch 1 taken 330891 times.
 1214280 if(IS_DIR(mb_type, i, list)){
2259 int ref;
2260 883389 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2261
2/2
✓ Branch 0 taken 551162 times.
✓ Branch 1 taken 332227 times.
 883389 if (rc > 1) {
2262 551162 ref= decode_cabac_mb_ref(sl, list, 8 * i);
2263
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 551162 times.
 551162 if (ref >= rc) {
2264 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2265 ✗ return -1;
2266 }
2267 }else
2268 332227 ref=0;
2269 883389 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2270 }else
2271 330891 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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 1002198 for (list = 0; list < sl->list_count; list++) {
2275
2/2
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✓ Branch 1 taken 607140 times.
 1821420 for(i=0; i<2; i++){
2276
2/2
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✓ Branch 1 taken 330891 times.
 1214280 if(IS_DIR(mb_type, i, list)){
2277 int mx,my,mpx,mpy;
2278 883389 pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2279
2/4
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✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 883389 times.
 883389 DECODE_CABAC_MB_MVD(sl, list, 8*i)
2280 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2281
2282 883389 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2283 883389 fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2284 }else{
2285 330891 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2286 330891 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 361306 times.
 903647 for (list = 0; list < sl->list_count; list++) {
2293
2/2
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✓ Branch 1 taken 542341 times.
 1627023 for(i=0; i<2; i++){
2294
2/2
✓ Branch 0 taken 801228 times.
✓ Branch 1 taken 283454 times.
 1084682 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2295 int ref;
2296 801228 unsigned rc = sl->ref_count[list] << MB_MBAFF(sl);
2297
2/2
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✓ Branch 1 taken 333245 times.
 801228 if (rc > 1) {
2298 467983 ref = decode_cabac_mb_ref(sl, list, 4 * i);
2299
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 467983 times.
 467983 if (ref >= rc) {
2300 ✗ av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
2301 ✗ return -1;
2302 }
2303 }else
2304 333245 ref=0;
2305 801228 fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2306 }else
2307 283454 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 361306 times.
 903647 for (list = 0; list < sl->list_count; list++) {
2311
2/2
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✓ Branch 1 taken 542341 times.
 1627023 for(i=0; i<2; i++){
2312
2/2
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✓ Branch 1 taken 283454 times.
 1084682 if(IS_DIR(mb_type, i, list)){
2313 int mx,my,mpx,mpy;
2314 801228 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 801228 times.
 801228 DECODE_CABAC_MB_MVD(sl, list, 4*i)
2316
2317 ff_tlog(h->avctx, "final mv:%d %d\n", mx, my);
2318 801228 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2319 801228 fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2320 }else{
2321 283454 fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2322 283454 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 4663614 times.
✓ Branch 1 taken 2675674 times.
 7339288 if( IS_INTER( mb_type ) ) {
2330 4663614 h->chroma_pred_mode_table[mb_xy] = 0;
2331 4663614 write_back_motion(h, sl, mb_type);
2332 }
2333
2334
2/2
✓ Branch 0 taken 6564662 times.
✓ Branch 1 taken 774626 times.
 7339288 if( !IS_INTRA16x16( mb_type ) ) {
2335 6564662 cbp = decode_cabac_mb_cbp_luma(sl);
2336
2/2
✓ Branch 0 taken 6375892 times.
✓ Branch 1 taken 188770 times.
 6564662 if(decode_chroma)
2337 6375892 cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
2338 } else {
2339
4/4
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✓ Branch 1 taken 768099 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 6526 times.
 774626 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 7339287 h->cbp_table[mb_xy] = sl->cbp = cbp;
2346
2347
6/6
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✓ Branch 1 taken 2714672 times.
✓ Branch 2 taken 3286097 times.
✓ Branch 3 taken 1338518 times.
✓ Branch 4 taken 1587207 times.
✓ Branch 5 taken 1698890 times.
 7339287 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2348 1587207 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
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✓ Branch 1 taken 7186295 times.
✓ Branch 2 taken 58789 times.
✓ Branch 3 taken 94203 times.
 7339287 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
✓ Branch 0 taken 74 times.
✓ Branch 1 taken 37 times.
 111 for (i = 0; i < 2; i++){
2375
4/4
✓ Branch 0 taken 52 times.
✓ Branch 1 taken 22 times.
✓ Branch 2 taken 40 times.
✓ Branch 3 taken 12 times.
 74 if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) {
2376 40 nnz_cache[3+8* 1 + 2*8*i]=
2377 40 nnz_cache[3+8* 2 + 2*8*i]=
2378 40 nnz_cache[3+8* 6 + 2*8*i]=
2379 40 nnz_cache[3+8* 7 + 2*8*i]=
2380 40 nnz_cache[3+8*11 + 2*8*i]=
2381
1/2
✓ Branch 0 taken 40 times.
✗ Branch 1 not taken.
 40 nnz_cache[3+8*12 + 2*8*i]= !IS_INTRA_PCM(sl->left_type[LEFT(i)]) ? 0 : 64;
2382 }
2383 }
2384
4/4
✓ Branch 0 taken 33 times.
✓ Branch 1 taken 4 times.
✓ Branch 2 taken 7 times.
✓ Branch 3 taken 26 times.
 37 if (sl->top_type && !IS_8x8DCT(sl->top_type)){
2385
1/2
✓ Branch 0 taken 7 times.
✗ Branch 1 not taken.
 7 uint32_t top_empty = !IS_INTRA_PCM(sl->top_type) ? 0 : 0x40404040;
2386 7 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2387 7 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2388 7 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2389 }
2390 }
2391 }
2392 7339287 h->cur_pic.mb_type[mb_xy] = mb_type;
2393
2394
4/4
✓ Branch 0 taken 1584687 times.
✓ Branch 1 taken 5754600 times.
✓ Branch 2 taken 349519 times.
✓ Branch 3 taken 1235168 times.
 13443406 if( cbp || IS_INTRA16x16( mb_type ) ) {
2395 const uint8_t *scan, *scan8x8;
2396 const uint32_t *qmul;
2397
2398 // decode_cabac_mb_dqp
2399
4/4
✓ Branch 0 taken 956282 times.
✓ Branch 1 taken 5147837 times.
✓ Branch 3 taken 1158085 times.
✓ Branch 4 taken 4946034 times.
 6104119 if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){
2400 1158085 int val = 1;
2401 1158085 int ctx= 2;
2402 1158085 const int max_qp = 51 + 6*(sps->bit_depth_luma-8);
2403
2404
2/2
✓ Branch 1 taken 6815355 times.
✓ Branch 2 taken 1158085 times.
 7973440 while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) {
2405 6815355 ctx= 3;
2406 6815355 val++;
2407
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6815355 times.
 6815355 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 576466 times.
✓ Branch 1 taken 581619 times.
 1158085 if( val&0x01 )
2414 576466 val= (val + 1)>>1 ;
2415 else
2416 581619 val= -((val + 1)>>1);
2417 1158085 sl->last_qscale_diff = val;
2418 1158085 sl->qscale += val;
2419
2/2
✓ Branch 0 taken 10672 times.
✓ Branch 1 taken 1147413 times.
 1158085 if (((unsigned)sl->qscale) > max_qp){
2420
2/2
✓ Branch 0 taken 5514 times.
✓ Branch 1 taken 5158 times.
 10672 if (sl->qscale < 0) sl->qscale += max_qp + 1;
2421 5158 else sl->qscale -= max_qp + 1;
2422 }
2423 1158085 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2424 1158085 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2425 }else
2426 4946034 sl->last_qscale_diff=0;
2427
2428
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 6104119 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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 3762097 scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2433
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 3762097 scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2434 }
2435
2436 6104119 decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2437
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 6104119 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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 6012177 } 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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 5546987 if( cbp&0x30 ){
2468 int c;
2469
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 8464515 for (c = 0; c < 2; c++)
2470 5643010 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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 5546987 if( cbp&0x20 ) {
2475 int c, i;
2476
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 4451247 for( c = 0; c < 2; c++ ) {
2477
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✓ Branch 1 taken 1356560 times.
 2967498 qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]];
2478
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 14837490 for( i = 0; i < 4; i++ ) {
2479 11869992 const int index = 16 + 16 * c + i;
2480 11869992 decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2481 }
2482 }
2483 } else {
2484 4063238 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2485 4063238 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2486 }
2487 }
2488 } else {
2489 1235168 fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2490 1235168 fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2491 1235168 fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2492 1235168 sl->last_qscale_diff = 0;
2493 }
2494
2495 7339287 h->cur_pic.qscale_table[mb_xy] = sl->qscale;
2496 7339287 write_back_non_zero_count(h, sl);
2497
2498 7339287 return 0;
2499 }
2500