blob: a1a16daafa90dc7f4c841c7d75bed3ec27ddcb18
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 "libavutil/timer.h" |
35 | #include "config.h" |
36 | #include "cabac.h" |
37 | #include "cabac_functions.h" |
38 | #include "internal.h" |
39 | #include "avcodec.h" |
40 | #include "h264dec.h" |
41 | #include "h264data.h" |
42 | #include "h264_mvpred.h" |
43 | #include "mpegutils.h" |
44 | |
45 | #if ARCH_X86 |
46 | #include "x86/h264_i386.h" |
47 | #endif |
48 | |
49 | /* Cabac pre state table */ |
50 | |
51 | static const int8_t cabac_context_init_I[1024][2] = |
52 | { |
53 | /* 0 - 10 */ |
54 | { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, |
55 | { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 }, |
56 | { -6, 53 }, { -1, 54 }, { 7, 51 }, |
57 | |
58 | /* 11 - 23 unused for I */ |
59 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
60 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
61 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
62 | { 0, 0 }, |
63 | |
64 | /* 24- 39 */ |
65 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
66 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
67 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
68 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
69 | |
70 | /* 40 - 53 */ |
71 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
72 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
73 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
74 | { 0, 0 }, { 0, 0 }, |
75 | |
76 | /* 54 - 59 */ |
77 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, |
78 | { 0, 0 }, { 0, 0 }, |
79 | |
80 | /* 60 - 69 */ |
81 | { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, |
82 | { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, |
83 | { 13, 41 }, { 3, 62 }, |
84 | |
85 | /* 70 -> 87 */ |
86 | { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 }, |
87 | { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 }, |
88 | { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 }, |
89 | { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 }, |
90 | { -12, 115 },{ -16, 122 }, |
91 | |
92 | /* 88 -> 104 */ |
93 | { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 }, |
94 | { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 }, |
95 | { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 }, |
96 | { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 }, |
97 | { -22, 125 }, |
98 | |
99 | /* 105 -> 135 */ |
100 | { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 }, |
101 | { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 }, |
102 | { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 }, |
103 | { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 }, |
104 | { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 }, |
105 | { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 }, |
106 | { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 }, |
107 | { 14, 62 }, { -13, 108 },{ -15, 100 }, |
108 | |
109 | /* 136 -> 165 */ |
110 | { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 }, |
111 | { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 }, |
112 | { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 }, |
113 | { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 }, |
114 | { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 }, |
115 | { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 }, |
116 | { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 }, |
117 | { 0, 62 }, { 12, 72 }, |
118 | |
119 | /* 166 -> 196 */ |
120 | { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 }, |
121 | { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 }, |
122 | { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 }, |
123 | { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 }, |
124 | { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 }, |
125 | { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 }, |
126 | { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 }, |
127 | { 0, 89 }, { 26, -19 }, { 22, -17 }, |
128 | |
129 | /* 197 -> 226 */ |
130 | { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 }, |
131 | { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 }, |
132 | { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 }, |
133 | { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 }, |
134 | { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 }, |
135 | { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 }, |
136 | { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 }, |
137 | { 12, 68 }, { 2, 97 }, |
138 | |
139 | /* 227 -> 251 */ |
140 | { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 }, |
141 | { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 }, |
142 | { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 }, |
143 | { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 }, |
144 | { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 }, |
145 | { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 }, |
146 | { -4, 65 }, |
147 | |
148 | /* 252 -> 275 */ |
149 | { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 }, |
150 | { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 }, |
151 | { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 }, |
152 | { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 }, |
153 | { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 }, |
154 | { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 }, |
155 | |
156 | /* 276 a bit special (not used, bypass is used instead) */ |
157 | { 0, 0 }, |
158 | |
159 | /* 277 -> 307 */ |
160 | { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 }, |
161 | { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 }, |
162 | { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 }, |
163 | { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 }, |
164 | { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 }, |
165 | { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 }, |
166 | { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 }, |
167 | { 9, 64 }, { -12, 104 },{ -11, 97 }, |
168 | |
169 | /* 308 -> 337 */ |
170 | { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 }, |
171 | { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 }, |
172 | { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 }, |
173 | { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 }, |
174 | { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 }, |
175 | { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 }, |
176 | { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 }, |
177 | { 5, 64 }, { 12, 70 }, |
178 | |
179 | /* 338 -> 368 */ |
180 | { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 }, |
181 | { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 }, |
182 | { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 }, |
183 | { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 }, |
184 | { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 }, |
185 | { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 }, |
186 | { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 }, |
187 | { -12, 109 },{ 36, -35 }, { 36, -34 }, |
188 | |
189 | /* 369 -> 398 */ |
190 | { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 }, |
191 | { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 }, |
192 | { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 }, |
193 | { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 }, |
194 | { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 }, |
195 | { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 }, |
196 | { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 }, |
197 | { 29, 39 }, { 19, 66 }, |
198 | |
199 | /* 399 -> 435 */ |
200 | { 31, 21 }, { 31, 31 }, { 25, 50 }, |
201 | { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 }, |
202 | { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 }, |
203 | { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 }, |
204 | { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 }, |
205 | { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 }, |
206 | { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 }, |
207 | { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 }, |
208 | { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 }, |
209 | { 0, 68 }, { -9, 92 }, |
210 | |
211 | /* 436 -> 459 */ |
212 | { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 }, |
213 | { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 }, |
214 | { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 }, |
215 | { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 }, |
216 | { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 }, |
217 | { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 }, |
218 | |
219 | /* 460 -> 1024 */ |
220 | { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 }, |
221 | { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 }, |
222 | { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }, |
223 | { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 }, |
224 | { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 }, |
225 | { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }, |
226 | { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 }, |
227 | { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 }, |
228 | { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 }, |
229 | { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 }, |
230 | { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 }, |
231 | { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 }, |
232 | { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 }, |
233 | { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 }, |
234 | { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 }, |
235 | { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 }, |
236 | { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 }, |
237 | { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 }, |
238 | { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 }, |
239 | { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 }, |
240 | { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 }, |
241 | { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 }, |
242 | { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 }, |
243 | { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 }, |
244 | { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 }, |
245 | { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 }, |
246 | { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 }, |
247 | { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 }, |
248 | { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 }, |
249 | { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 }, |
250 | { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 }, |
251 | { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 }, |
252 | { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 }, |
253 | { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 }, |
254 | { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 }, |
255 | { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 }, |
256 | { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 }, |
257 | { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 }, |
258 | { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 }, |
259 | { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 }, |
260 | { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 }, |
261 | { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 }, |
262 | { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 }, |
263 | { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 }, |
264 | { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 }, |
265 | { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 }, |
266 | { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 }, |
267 | { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 }, |
268 | { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 }, |
269 | { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 }, |
270 | { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 }, |
271 | { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 }, |
272 | { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 }, |
273 | { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 }, |
274 | { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 }, |
275 | { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 }, |
276 | { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 }, |
277 | { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 }, |
278 | { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 }, |
279 | { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 }, |
280 | { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 }, |
281 | { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 }, |
282 | { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 }, |
283 | { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 }, |
284 | { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 }, |
285 | { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 }, |
286 | { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 }, |
287 | { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 }, |
288 | { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 }, |
289 | { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 }, |
290 | { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 }, |
291 | { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 }, |
292 | { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 }, |
293 | { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 }, |
294 | { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 }, |
295 | { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 }, |
296 | { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 }, |
297 | { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 }, |
298 | { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 }, |
299 | { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 }, |
300 | { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 }, |
301 | { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 }, |
302 | { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 }, |
303 | { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 }, |
304 | { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 }, |
305 | { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 }, |
306 | { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 }, |
307 | { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 }, |
308 | { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 }, |
309 | { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 }, |
310 | { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 }, |
311 | { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 }, |
312 | { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 }, |
313 | { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 }, |
314 | { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 }, |
315 | { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 }, |
316 | { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 }, |
317 | { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 }, |
318 | { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 }, |
319 | { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 }, |
320 | { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 }, |
321 | { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 }, |
322 | { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 }, |
323 | { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 }, |
324 | { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 }, |
325 | { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 }, |
326 | { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 }, |
327 | { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 }, |
328 | { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 }, |
329 | { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 }, |
330 | { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 }, |
331 | { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 }, |
332 | { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 }, |
333 | { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 }, |
334 | { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 }, |
335 | { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 }, |
336 | { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 }, |
337 | { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 }, |
338 | { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 }, |
339 | { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 }, |
340 | { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 }, |
341 | { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 }, |
342 | { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 }, |
343 | { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 }, |
344 | { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 }, |
345 | { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 }, |
346 | { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 }, |
347 | { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 }, |
348 | { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 }, |
349 | { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 }, |
350 | { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 }, |
351 | { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 }, |
352 | { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 }, |
353 | { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 }, |
354 | { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 }, |
355 | { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 }, |
356 | { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 }, |
357 | { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 }, |
358 | { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }, |
359 | { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }, |
360 | { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 } |
361 | }; |
362 | |
363 | static const int8_t cabac_context_init_PB[3][1024][2] = |
364 | { |
365 | /* i_cabac_init_idc == 0 */ |
366 | { |
367 | /* 0 - 10 */ |
368 | { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, |
369 | { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, |
370 | { -6, 53 }, { -1, 54 }, { 7, 51 }, |
371 | |
372 | /* 11 - 23 */ |
373 | { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 }, |
374 | { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 }, |
375 | { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 }, |
376 | { 17, 50 }, |
377 | |
378 | /* 24 - 39 */ |
379 | { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 }, |
380 | { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 }, |
381 | { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 }, |
382 | { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 }, |
383 | |
384 | /* 40 - 53 */ |
385 | { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 }, |
386 | { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 }, |
387 | { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 }, |
388 | { -3, 81 }, { 0, 88 }, |
389 | |
390 | /* 54 - 59 */ |
391 | { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 }, |
392 | { -7, 72 }, { 1, 58 }, |
393 | |
394 | /* 60 - 69 */ |
395 | { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, |
396 | { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, |
397 | { 13, 41 }, { 3, 62 }, |
398 | |
399 | /* 70 - 87 */ |
400 | { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 }, |
401 | { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 }, |
402 | { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 }, |
403 | { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 }, |
404 | { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 }, |
405 | { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 }, |
406 | { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 }, |
407 | { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 }, |
408 | { 0, 68 }, { -4, 69 }, { -8, 88 }, |
409 | |
410 | /* 105 -> 165 */ |
411 | { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 }, |
412 | { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 }, |
413 | { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 }, |
414 | { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 }, |
415 | { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 }, |
416 | { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 }, |
417 | { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 }, |
418 | { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 }, |
419 | { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 }, |
420 | { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 }, |
421 | { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 }, |
422 | { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 }, |
423 | { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 }, |
424 | { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 }, |
425 | { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 }, |
426 | { 9, 69 }, |
427 | |
428 | /* 166 - 226 */ |
429 | { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 }, |
430 | { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 }, |
431 | { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 }, |
432 | { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 }, |
433 | { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 }, |
434 | { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 }, |
435 | { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 }, |
436 | { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 }, |
437 | { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 }, |
438 | { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 }, |
439 | { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 }, |
440 | { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 }, |
441 | { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 }, |
442 | { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 }, |
443 | { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 }, |
444 | { -9, 108 }, |
445 | |
446 | /* 227 - 275 */ |
447 | { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 }, |
448 | { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 }, |
449 | { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 }, |
450 | { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 }, |
451 | { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 }, |
452 | { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 }, |
453 | { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 }, |
454 | { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 }, |
455 | { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 }, |
456 | { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 }, |
457 | { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 }, |
458 | { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 }, |
459 | { -8, 85 }, |
460 | |
461 | /* 276 a bit special (not used, bypass is used instead) */ |
462 | { 0, 0 }, |
463 | |
464 | /* 277 - 337 */ |
465 | { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 }, |
466 | { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 }, |
467 | { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 }, |
468 | { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 }, |
469 | { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 }, |
470 | { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 }, |
471 | { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 }, |
472 | { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 }, |
473 | { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 }, |
474 | { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 }, |
475 | { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 }, |
476 | { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 }, |
477 | { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 }, |
478 | { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 }, |
479 | { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 }, |
480 | { 26, 43 }, |
481 | |
482 | /* 338 - 398 */ |
483 | { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 }, |
484 | { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 }, |
485 | { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 }, |
486 | { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 }, |
487 | { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 }, |
488 | { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 }, |
489 | { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 }, |
490 | { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 }, |
491 | { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 }, |
492 | { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 }, |
493 | { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 }, |
494 | { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 }, |
495 | { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 }, |
496 | { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 }, |
497 | { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 }, |
498 | { 11, 86 }, |
499 | |
500 | /* 399 - 435 */ |
501 | { 12, 40 }, { 11, 51 }, { 14, 59 }, |
502 | { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 }, |
503 | { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 }, |
504 | { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 }, |
505 | { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 }, |
506 | { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 }, |
507 | { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 }, |
508 | { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 }, |
509 | { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 }, |
510 | { -8, 66 }, { -8, 76 }, |
511 | |
512 | /* 436 - 459 */ |
513 | { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, |
514 | { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, |
515 | { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, |
516 | { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 }, |
517 | { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 }, |
518 | { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 }, |
519 | |
520 | /* 460 - 1024 */ |
521 | { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 }, |
522 | { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 }, |
523 | { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }, |
524 | { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 }, |
525 | { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 }, |
526 | { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }, |
527 | { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 }, |
528 | { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 }, |
529 | { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 }, |
530 | { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 }, |
531 | { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 }, |
532 | { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 }, |
533 | { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 }, |
534 | { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 }, |
535 | { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 }, |
536 | { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 }, |
537 | { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 }, |
538 | { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 }, |
539 | { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 }, |
540 | { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 }, |
541 | { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 }, |
542 | { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 }, |
543 | { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 }, |
544 | { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 }, |
545 | { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 }, |
546 | { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 }, |
547 | { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 }, |
548 | { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 }, |
549 | { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 }, |
550 | { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 }, |
551 | { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 }, |
552 | { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 }, |
553 | { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 }, |
554 | { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 }, |
555 | { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 }, |
556 | { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 }, |
557 | { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 }, |
558 | { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 }, |
559 | { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 }, |
560 | { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 }, |
561 | { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 }, |
562 | { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 }, |
563 | { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 }, |
564 | { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 }, |
565 | { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 }, |
566 | { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 }, |
567 | { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 }, |
568 | { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 }, |
569 | { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 }, |
570 | { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 }, |
571 | { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 }, |
572 | { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 }, |
573 | { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 }, |
574 | { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 }, |
575 | { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 }, |
576 | { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 }, |
577 | { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 }, |
578 | { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 }, |
579 | { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 }, |
580 | { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 }, |
581 | { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 }, |
582 | { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 }, |
583 | { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 }, |
584 | { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 }, |
585 | { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 }, |
586 | { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 }, |
587 | { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 }, |
588 | { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 }, |
589 | { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 }, |
590 | { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 }, |
591 | { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 }, |
592 | { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 }, |
593 | { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 }, |
594 | { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 }, |
595 | { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 }, |
596 | { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 }, |
597 | { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 }, |
598 | { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 }, |
599 | { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 }, |
600 | { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 }, |
601 | { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 }, |
602 | { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 }, |
603 | { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 }, |
604 | { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 }, |
605 | { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 }, |
606 | { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 }, |
607 | { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 }, |
608 | { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 }, |
609 | { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 }, |
610 | { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 }, |
611 | { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 }, |
612 | { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 }, |
613 | { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 }, |
614 | { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 }, |
615 | { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 }, |
616 | { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 }, |
617 | { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 }, |
618 | { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 }, |
619 | { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 }, |
620 | { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 }, |
621 | { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 }, |
622 | { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 }, |
623 | { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 }, |
624 | { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 }, |
625 | { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 }, |
626 | { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 }, |
627 | { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 }, |
628 | { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 }, |
629 | { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 }, |
630 | { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 }, |
631 | { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 }, |
632 | { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 }, |
633 | { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 }, |
634 | { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 }, |
635 | { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 }, |
636 | { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 }, |
637 | { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 }, |
638 | { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 }, |
639 | { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 }, |
640 | { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 }, |
641 | { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 }, |
642 | { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 }, |
643 | { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 }, |
644 | { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 }, |
645 | { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 }, |
646 | { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 }, |
647 | { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 }, |
648 | { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 }, |
649 | { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 }, |
650 | { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 }, |
651 | { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 }, |
652 | { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 }, |
653 | { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 }, |
654 | { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 }, |
655 | { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 }, |
656 | { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 }, |
657 | { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 }, |
658 | { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 }, |
659 | { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }, |
660 | { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }, |
661 | { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 } |
662 | }, |
663 | |
664 | /* i_cabac_init_idc == 1 */ |
665 | { |
666 | /* 0 - 10 */ |
667 | { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, |
668 | { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, |
669 | { -6, 53 }, { -1, 54 }, { 7, 51 }, |
670 | |
671 | /* 11 - 23 */ |
672 | { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 }, |
673 | { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 }, |
674 | { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 }, |
675 | { 10, 54 }, |
676 | |
677 | /* 24 - 39 */ |
678 | { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 }, |
679 | { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 }, |
680 | { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 }, |
681 | { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 }, |
682 | |
683 | /* 40 - 53 */ |
684 | { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 }, |
685 | { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 }, |
686 | { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 }, |
687 | { -7, 86 },{ -5, 95 }, |
688 | |
689 | /* 54 - 59 */ |
690 | { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 }, |
691 | { -5, 72 },{ 0, 61 }, |
692 | |
693 | /* 60 - 69 */ |
694 | { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, |
695 | { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, |
696 | { 13, 41 }, { 3, 62 }, |
697 | |
698 | /* 70 - 104 */ |
699 | { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 }, |
700 | { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 }, |
701 | { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 }, |
702 | { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 }, |
703 | { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 }, |
704 | { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 }, |
705 | { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 }, |
706 | { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 }, |
707 | { 0, 68 }, { -7, 74 }, { -9, 88 }, |
708 | |
709 | /* 105 -> 165 */ |
710 | { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 }, |
711 | { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 }, |
712 | { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 }, |
713 | { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 }, |
714 | { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 }, |
715 | { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 }, |
716 | { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 }, |
717 | { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 }, |
718 | { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 }, |
719 | { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 }, |
720 | { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 }, |
721 | { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 }, |
722 | { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 }, |
723 | { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 }, |
724 | { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 }, |
725 | { 0, 89 }, |
726 | |
727 | /* 166 - 226 */ |
728 | { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 }, |
729 | { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 }, |
730 | { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 }, |
731 | { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 }, |
732 | { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 }, |
733 | { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 }, |
734 | { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 }, |
735 | { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 }, |
736 | { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 }, |
737 | { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 }, |
738 | { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 }, |
739 | { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 }, |
740 | { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 }, |
741 | { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 }, |
742 | { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 }, |
743 | { -10, 116 }, |
744 | |
745 | /* 227 - 275 */ |
746 | { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 }, |
747 | { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 }, |
748 | { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 }, |
749 | { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 }, |
750 | { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 }, |
751 | { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 }, |
752 | { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 }, |
753 | { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 }, |
754 | { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 }, |
755 | { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 }, |
756 | { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 }, |
757 | { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 }, |
758 | { -4, 78 }, |
759 | |
760 | /* 276 a bit special (not used, bypass is used instead) */ |
761 | { 0, 0 }, |
762 | |
763 | /* 277 - 337 */ |
764 | { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 }, |
765 | { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 }, |
766 | { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 }, |
767 | { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 }, |
768 | { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 }, |
769 | { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 }, |
770 | { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 }, |
771 | { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 }, |
772 | { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 }, |
773 | { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 }, |
774 | { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 }, |
775 | { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 }, |
776 | { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 }, |
777 | { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 }, |
778 | { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 }, |
779 | { 18, 50 }, |
780 | |
781 | /* 338 - 398 */ |
782 | { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 }, |
783 | { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 }, |
784 | { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 }, |
785 | { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 }, |
786 | { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 }, |
787 | { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 }, |
788 | { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 }, |
789 | { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 }, |
790 | { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 }, |
791 | { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 }, |
792 | { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 }, |
793 | { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 }, |
794 | { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 }, |
795 | { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 }, |
796 | { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 }, |
797 | { 11, 83 }, |
798 | |
799 | /* 399 - 435 */ |
800 | { 25, 32 }, { 21, 49 }, { 21, 54 }, |
801 | { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, |
802 | { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, |
803 | { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, |
804 | { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 }, |
805 | { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, |
806 | { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, |
807 | { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 }, |
808 | { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 }, |
809 | { -4, 67 }, { -7, 82 }, |
810 | |
811 | /* 436 - 459 */ |
812 | { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 }, |
813 | { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 }, |
814 | { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 }, |
815 | { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 }, |
816 | { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, |
817 | { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, |
818 | |
819 | /* 460 - 1024 */ |
820 | { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 }, |
821 | { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 }, |
822 | { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }, |
823 | { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 }, |
824 | { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 }, |
825 | { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }, |
826 | { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 }, |
827 | { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 }, |
828 | { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 }, |
829 | { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 }, |
830 | { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 }, |
831 | { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 }, |
832 | { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 }, |
833 | { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 }, |
834 | { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 }, |
835 | { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 }, |
836 | { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 }, |
837 | { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 }, |
838 | { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 }, |
839 | { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 }, |
840 | { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 }, |
841 | { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 }, |
842 | { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 }, |
843 | { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 }, |
844 | { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 }, |
845 | { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 }, |
846 | { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 }, |
847 | { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 }, |
848 | { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 }, |
849 | { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 }, |
850 | { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 }, |
851 | { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 }, |
852 | { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 }, |
853 | { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 }, |
854 | { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 }, |
855 | { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 }, |
856 | { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 }, |
857 | { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 }, |
858 | { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 }, |
859 | { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 }, |
860 | { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 }, |
861 | { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 }, |
862 | { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 }, |
863 | { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 }, |
864 | { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 }, |
865 | { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 }, |
866 | { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 }, |
867 | { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 }, |
868 | { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 }, |
869 | { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 }, |
870 | { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 }, |
871 | { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 }, |
872 | { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 }, |
873 | { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 }, |
874 | { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 }, |
875 | { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 }, |
876 | { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 }, |
877 | { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 }, |
878 | { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 }, |
879 | { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 }, |
880 | { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 }, |
881 | { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 }, |
882 | { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 }, |
883 | { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 }, |
884 | { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 }, |
885 | { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 }, |
886 | { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 }, |
887 | { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 }, |
888 | { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 }, |
889 | { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 }, |
890 | { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 }, |
891 | { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 }, |
892 | { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 }, |
893 | { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 }, |
894 | { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 }, |
895 | { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 }, |
896 | { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 }, |
897 | { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 }, |
898 | { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 }, |
899 | { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 }, |
900 | { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 }, |
901 | { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 }, |
902 | { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 }, |
903 | { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 }, |
904 | { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 }, |
905 | { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 }, |
906 | { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 }, |
907 | { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 }, |
908 | { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 }, |
909 | { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 }, |
910 | { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 }, |
911 | { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 }, |
912 | { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 }, |
913 | { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 }, |
914 | { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 }, |
915 | { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 }, |
916 | { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 }, |
917 | { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 }, |
918 | { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 }, |
919 | { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 }, |
920 | { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 }, |
921 | { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 }, |
922 | { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 }, |
923 | { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 }, |
924 | { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 }, |
925 | { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 }, |
926 | { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 }, |
927 | { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 }, |
928 | { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 }, |
929 | { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 }, |
930 | { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 }, |
931 | { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 }, |
932 | { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 }, |
933 | { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 }, |
934 | { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 }, |
935 | { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 }, |
936 | { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 }, |
937 | { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 }, |
938 | { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 }, |
939 | { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 }, |
940 | { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 }, |
941 | { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 }, |
942 | { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 }, |
943 | { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 }, |
944 | { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 }, |
945 | { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 }, |
946 | { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 }, |
947 | { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 }, |
948 | { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 }, |
949 | { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 }, |
950 | { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 }, |
951 | { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 }, |
952 | { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 }, |
953 | { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 }, |
954 | { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 }, |
955 | { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 }, |
956 | { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 }, |
957 | { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 }, |
958 | { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }, |
959 | { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }, |
960 | { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 } |
961 | }, |
962 | |
963 | /* i_cabac_init_idc == 2 */ |
964 | { |
965 | /* 0 - 10 */ |
966 | { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 }, |
967 | { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 }, |
968 | { -6, 53 }, { -1, 54 }, { 7, 51 }, |
969 | |
970 | /* 11 - 23 */ |
971 | { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 }, |
972 | { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 }, |
973 | { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 }, |
974 | { 14, 57 }, |
975 | |
976 | /* 24 - 39 */ |
977 | { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 }, |
978 | { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 }, |
979 | { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 }, |
980 | { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 }, |
981 | |
982 | /* 40 - 53 */ |
983 | { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 }, |
984 | { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 }, |
985 | { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 }, |
986 | { -3, 90 },{ -1, 101 }, |
987 | |
988 | /* 54 - 59 */ |
989 | { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 }, |
990 | { -7, 50 },{ 1, 60 }, |
991 | |
992 | /* 60 - 69 */ |
993 | { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 }, |
994 | { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 }, |
995 | { 13, 41 }, { 3, 62 }, |
996 | |
997 | /* 70 - 104 */ |
998 | { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 }, |
999 | { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 }, |
1000 | { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 }, |
1001 | { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 }, |
1002 | { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 }, |
1003 | { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 }, |
1004 | { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 }, |
1005 | { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 }, |
1006 | { 3, 68 }, { -8, 71 }, { -13, 98 }, |
1007 | |
1008 | /* 105 -> 165 */ |
1009 | { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 }, |
1010 | { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 }, |
1011 | { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 }, |
1012 | { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 }, |
1013 | { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 }, |
1014 | { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 }, |
1015 | { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 }, |
1016 | { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 }, |
1017 | { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 }, |
1018 | { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 }, |
1019 | { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 }, |
1020 | { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 }, |
1021 | { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 }, |
1022 | { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 }, |
1023 | { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 }, |
1024 | { -22, 127 }, |
1025 | |
1026 | /* 166 - 226 */ |
1027 | { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 }, |
1028 | { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 }, |
1029 | { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 }, |
1030 | { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 }, |
1031 | { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 }, |
1032 | { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 }, |
1033 | { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 }, |
1034 | { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 }, |
1035 | { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 }, |
1036 | { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 }, |
1037 | { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 }, |
1038 | { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 }, |
1039 | { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 }, |
1040 | { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 }, |
1041 | { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 }, |
1042 | { -24, 127 }, |
1043 | |
1044 | /* 227 - 275 */ |
1045 | { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 }, |
1046 | { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 }, |
1047 | { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 }, |
1048 | { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 }, |
1049 | { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 }, |
1050 | { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 }, |
1051 | { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 }, |
1052 | { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 }, |
1053 | { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 }, |
1054 | { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 }, |
1055 | { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 }, |
1056 | { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 }, |
1057 | { -10, 87 }, |
1058 | |
1059 | /* 276 a bit special (not used, bypass is used instead) */ |
1060 | { 0, 0 }, |
1061 | |
1062 | /* 277 - 337 */ |
1063 | { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 }, |
1064 | { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 }, |
1065 | { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 }, |
1066 | { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 }, |
1067 | { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 }, |
1068 | { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 }, |
1069 | { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 }, |
1070 | { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 }, |
1071 | { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 }, |
1072 | { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 }, |
1073 | { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 }, |
1074 | { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 }, |
1075 | { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 }, |
1076 | { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 }, |
1077 | { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 }, |
1078 | { 25, 42 }, |
1079 | |
1080 | /* 338 - 398 */ |
1081 | { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 }, |
1082 | { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 }, |
1083 | { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 }, |
1084 | { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 }, |
1085 | { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 }, |
1086 | { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 }, |
1087 | { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 }, |
1088 | { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 }, |
1089 | { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 }, |
1090 | { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 }, |
1091 | { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 }, |
1092 | { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 }, |
1093 | { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 }, |
1094 | { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 }, |
1095 | { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 }, |
1096 | { 25, 61 }, |
1097 | |
1098 | /* 399 - 435 */ |
1099 | { 21, 33 }, { 19, 50 }, { 17, 61 }, |
1100 | { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, |
1101 | { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, |
1102 | { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, |
1103 | { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, |
1104 | { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, |
1105 | { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, |
1106 | { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 }, |
1107 | { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 }, |
1108 | { -6, 68 }, { -10, 79 }, |
1109 | |
1110 | /* 436 - 459 */ |
1111 | { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, |
1112 | { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, |
1113 | { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, |
1114 | { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 }, |
1115 | { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, |
1116 | { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, |
1117 | |
1118 | /* 460 - 1024 */ |
1119 | { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 }, |
1120 | { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 }, |
1121 | { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }, |
1122 | { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 }, |
1123 | { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 }, |
1124 | { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }, |
1125 | { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 }, |
1126 | { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 }, |
1127 | { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 }, |
1128 | { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 }, |
1129 | { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 }, |
1130 | { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 }, |
1131 | { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 }, |
1132 | { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 }, |
1133 | { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 }, |
1134 | { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 }, |
1135 | { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 }, |
1136 | { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 }, |
1137 | { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 }, |
1138 | { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 }, |
1139 | { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 }, |
1140 | { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 }, |
1141 | { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 }, |
1142 | { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 }, |
1143 | { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 }, |
1144 | { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 }, |
1145 | { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 }, |
1146 | { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 }, |
1147 | { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 }, |
1148 | { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 }, |
1149 | { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 }, |
1150 | { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 }, |
1151 | { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 }, |
1152 | { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 }, |
1153 | { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 }, |
1154 | { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 }, |
1155 | { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 }, |
1156 | { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 }, |
1157 | { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 }, |
1158 | { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 }, |
1159 | { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 }, |
1160 | { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 }, |
1161 | { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 }, |
1162 | { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 }, |
1163 | { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 }, |
1164 | { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 }, |
1165 | { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 }, |
1166 | { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 }, |
1167 | { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 }, |
1168 | { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 }, |
1169 | { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 }, |
1170 | { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 }, |
1171 | { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 }, |
1172 | { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 }, |
1173 | { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 }, |
1174 | { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 }, |
1175 | { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 }, |
1176 | { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 }, |
1177 | { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 }, |
1178 | { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 }, |
1179 | { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 }, |
1180 | { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 }, |
1181 | { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 }, |
1182 | { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 }, |
1183 | { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 }, |
1184 | { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 }, |
1185 | { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 }, |
1186 | { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 }, |
1187 | { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 }, |
1188 | { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 }, |
1189 | { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 }, |
1190 | { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 }, |
1191 | { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 }, |
1192 | { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 }, |
1193 | { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 }, |
1194 | { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 }, |
1195 | { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 }, |
1196 | { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 }, |
1197 | { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 }, |
1198 | { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 }, |
1199 | { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 }, |
1200 | { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 }, |
1201 | { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 }, |
1202 | { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 }, |
1203 | { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 }, |
1204 | { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 }, |
1205 | { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 }, |
1206 | { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 }, |
1207 | { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 }, |
1208 | { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 }, |
1209 | { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 }, |
1210 | { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 }, |
1211 | { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 }, |
1212 | { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 }, |
1213 | { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 }, |
1214 | { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 }, |
1215 | { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 }, |
1216 | { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 }, |
1217 | { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 }, |
1218 | { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 }, |
1219 | { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 }, |
1220 | { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 }, |
1221 | { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 }, |
1222 | { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 }, |
1223 | { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 }, |
1224 | { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 }, |
1225 | { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 }, |
1226 | { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 }, |
1227 | { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 }, |
1228 | { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 }, |
1229 | { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 }, |
1230 | { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 }, |
1231 | { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 }, |
1232 | { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 }, |
1233 | { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 }, |
1234 | { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 }, |
1235 | { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 }, |
1236 | { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 }, |
1237 | { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 }, |
1238 | { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 }, |
1239 | { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 }, |
1240 | { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 }, |
1241 | { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 }, |
1242 | { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 }, |
1243 | { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 }, |
1244 | { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 }, |
1245 | { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 }, |
1246 | { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 }, |
1247 | { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 }, |
1248 | { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 }, |
1249 | { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 }, |
1250 | { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 }, |
1251 | { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 }, |
1252 | { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 }, |
1253 | { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 }, |
1254 | { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 }, |
1255 | { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 }, |
1256 | { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 }, |
1257 | { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }, |
1258 | { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }, |
1259 | { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 } |
1260 | } |
1261 | }; |
1262 | |
1263 | void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl) |
1264 | { |
1265 | int i; |
1266 | const int8_t (*tab)[2]; |
1267 | const int slice_qp = av_clip(sl->qscale - 6*(h->ps.sps->bit_depth_luma-8), 0, 51); |
1268 | |
1269 | if (sl->slice_type_nos == AV_PICTURE_TYPE_I) tab = cabac_context_init_I; |
1270 | else tab = cabac_context_init_PB[sl->cabac_init_idc]; |
1271 | |
1272 | /* calculate pre-state */ |
1273 | for( i= 0; i < 1024; i++ ) { |
1274 | int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127; |
1275 | |
1276 | pre^= pre>>31; |
1277 | if(pre > 124) |
1278 | pre= 124 + (pre&1); |
1279 | |
1280 | sl->cabac_state[i] = pre; |
1281 | } |
1282 | } |
1283 | |
1284 | static int decode_cabac_field_decoding_flag(const H264Context *h, H264SliceContext *sl) |
1285 | { |
1286 | const int mbb_xy = sl->mb_xy - 2*h->mb_stride; |
1287 | |
1288 | unsigned long ctx = 0; |
1289 | |
1290 | ctx += sl->mb_field_decoding_flag & !!sl->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num); |
1291 | ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == sl->slice_num); |
1292 | |
1293 | return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] ); |
1294 | } |
1295 | |
1296 | static int decode_cabac_intra_mb_type(H264SliceContext *sl, |
1297 | int ctx_base, int intra_slice) |
1298 | { |
1299 | uint8_t *state= &sl->cabac_state[ctx_base]; |
1300 | int mb_type; |
1301 | |
1302 | if(intra_slice){ |
1303 | int ctx=0; |
1304 | if (sl->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)) |
1305 | ctx++; |
1306 | if (sl->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)) |
1307 | ctx++; |
1308 | if( get_cabac_noinline( &sl->cabac, &state[ctx] ) == 0 ) |
1309 | return 0; /* I4x4 */ |
1310 | state += 2; |
1311 | }else{ |
1312 | if( get_cabac_noinline( &sl->cabac, state ) == 0 ) |
1313 | return 0; /* I4x4 */ |
1314 | } |
1315 | |
1316 | if( get_cabac_terminate( &sl->cabac ) ) |
1317 | return 25; /* PCM */ |
1318 | |
1319 | mb_type = 1; /* I16x16 */ |
1320 | mb_type += 12 * get_cabac_noinline( &sl->cabac, &state[1] ); /* cbp_luma != 0 */ |
1321 | if( get_cabac_noinline( &sl->cabac, &state[2] ) ) /* cbp_chroma */ |
1322 | mb_type += 4 + 4 * get_cabac_noinline( &sl->cabac, &state[2+intra_slice] ); |
1323 | mb_type += 2 * get_cabac_noinline( &sl->cabac, &state[3+intra_slice] ); |
1324 | mb_type += 1 * get_cabac_noinline( &sl->cabac, &state[3+2*intra_slice] ); |
1325 | return mb_type; |
1326 | } |
1327 | |
1328 | static int decode_cabac_mb_skip(const H264Context *h, H264SliceContext *sl, |
1329 | int mb_x, int mb_y) |
1330 | { |
1331 | int mba_xy, mbb_xy; |
1332 | int ctx = 0; |
1333 | |
1334 | if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches? |
1335 | int mb_xy = mb_x + (mb_y&~1)*h->mb_stride; |
1336 | mba_xy = mb_xy - 1; |
1337 | if( (mb_y&1) |
1338 | && h->slice_table[mba_xy] == sl->slice_num |
1339 | && MB_FIELD(sl) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) ) |
1340 | mba_xy += h->mb_stride; |
1341 | if (MB_FIELD(sl)) { |
1342 | mbb_xy = mb_xy - h->mb_stride; |
1343 | if( !(mb_y&1) |
1344 | && h->slice_table[mbb_xy] == sl->slice_num |
1345 | && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) ) |
1346 | mbb_xy -= h->mb_stride; |
1347 | }else |
1348 | mbb_xy = mb_x + (mb_y-1)*h->mb_stride; |
1349 | }else{ |
1350 | int mb_xy = sl->mb_xy; |
1351 | mba_xy = mb_xy - 1; |
1352 | mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h)); |
1353 | } |
1354 | |
1355 | if( h->slice_table[mba_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] )) |
1356 | ctx++; |
1357 | if( h->slice_table[mbb_xy] == sl->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] )) |
1358 | ctx++; |
1359 | |
1360 | if (sl->slice_type_nos == AV_PICTURE_TYPE_B) |
1361 | ctx += 13; |
1362 | return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] ); |
1363 | } |
1364 | |
1365 | static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode) |
1366 | { |
1367 | int mode = 0; |
1368 | |
1369 | if( get_cabac( &sl->cabac, &sl->cabac_state[68] ) ) |
1370 | return pred_mode; |
1371 | |
1372 | mode += 1 * get_cabac( &sl->cabac, &sl->cabac_state[69] ); |
1373 | mode += 2 * get_cabac( &sl->cabac, &sl->cabac_state[69] ); |
1374 | mode += 4 * get_cabac( &sl->cabac, &sl->cabac_state[69] ); |
1375 | |
1376 | return mode + ( mode >= pred_mode ); |
1377 | } |
1378 | |
1379 | static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContext *sl) |
1380 | { |
1381 | const int mba_xy = sl->left_mb_xy[0]; |
1382 | const int mbb_xy = sl->top_mb_xy; |
1383 | |
1384 | int ctx = 0; |
1385 | |
1386 | /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */ |
1387 | if (sl->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0) |
1388 | ctx++; |
1389 | |
1390 | if (sl->top_type && h->chroma_pred_mode_table[mbb_xy] != 0) |
1391 | ctx++; |
1392 | |
1393 | if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+ctx] ) == 0 ) |
1394 | return 0; |
1395 | |
1396 | if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 ) |
1397 | return 1; |
1398 | if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[64+3] ) == 0 ) |
1399 | return 2; |
1400 | else |
1401 | return 3; |
1402 | } |
1403 | |
1404 | static int decode_cabac_mb_cbp_luma(H264SliceContext *sl) |
1405 | { |
1406 | int cbp_b, cbp_a, ctx, cbp = 0; |
1407 | |
1408 | cbp_a = sl->left_cbp; |
1409 | cbp_b = sl->top_cbp; |
1410 | |
1411 | ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04); |
1412 | cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]); |
1413 | ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08); |
1414 | cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 1; |
1415 | ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01); |
1416 | cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 2; |
1417 | ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02); |
1418 | cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3; |
1419 | return cbp; |
1420 | } |
1421 | static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl) |
1422 | { |
1423 | int ctx; |
1424 | int cbp_a, cbp_b; |
1425 | |
1426 | cbp_a = (sl->left_cbp>>4)&0x03; |
1427 | cbp_b = (sl-> top_cbp>>4)&0x03; |
1428 | |
1429 | ctx = 0; |
1430 | if( cbp_a > 0 ) ctx++; |
1431 | if( cbp_b > 0 ) ctx += 2; |
1432 | if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ) == 0 ) |
1433 | return 0; |
1434 | |
1435 | ctx = 4; |
1436 | if( cbp_a == 2 ) ctx++; |
1437 | if( cbp_b == 2 ) ctx += 2; |
1438 | return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ); |
1439 | } |
1440 | |
1441 | static int decode_cabac_p_mb_sub_type(H264SliceContext *sl) |
1442 | { |
1443 | if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) ) |
1444 | return 0; /* 8x8 */ |
1445 | if( !get_cabac( &sl->cabac, &sl->cabac_state[22] ) ) |
1446 | return 1; /* 8x4 */ |
1447 | if( get_cabac( &sl->cabac, &sl->cabac_state[23] ) ) |
1448 | return 2; /* 4x8 */ |
1449 | return 3; /* 4x4 */ |
1450 | } |
1451 | static int decode_cabac_b_mb_sub_type(H264SliceContext *sl) |
1452 | { |
1453 | int type; |
1454 | if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) ) |
1455 | return 0; /* B_Direct_8x8 */ |
1456 | if( !get_cabac( &sl->cabac, &sl->cabac_state[37] ) ) |
1457 | return 1 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */ |
1458 | type = 3; |
1459 | if( get_cabac( &sl->cabac, &sl->cabac_state[38] ) ) { |
1460 | if( get_cabac( &sl->cabac, &sl->cabac_state[39] ) ) |
1461 | return 11 + get_cabac( &sl->cabac, &sl->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */ |
1462 | type += 4; |
1463 | } |
1464 | type += 2*get_cabac( &sl->cabac, &sl->cabac_state[39] ); |
1465 | type += get_cabac( &sl->cabac, &sl->cabac_state[39] ); |
1466 | return type; |
1467 | } |
1468 | |
1469 | static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n) |
1470 | { |
1471 | int refa = sl->ref_cache[list][scan8[n] - 1]; |
1472 | int refb = sl->ref_cache[list][scan8[n] - 8]; |
1473 | int ref = 0; |
1474 | int ctx = 0; |
1475 | |
1476 | if (sl->slice_type_nos == AV_PICTURE_TYPE_B) { |
1477 | if( refa > 0 && !(sl->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) ) |
1478 | ctx++; |
1479 | if( refb > 0 && !(sl->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) ) |
1480 | ctx += 2; |
1481 | } else { |
1482 | if( refa > 0 ) |
1483 | ctx++; |
1484 | if( refb > 0 ) |
1485 | ctx += 2; |
1486 | } |
1487 | |
1488 | while( get_cabac( &sl->cabac, &sl->cabac_state[54+ctx] ) ) { |
1489 | ref++; |
1490 | ctx = (ctx>>2)+4; |
1491 | if(ref >= 32 /*h->ref_list[list]*/){ |
1492 | return -1; |
1493 | } |
1494 | } |
1495 | return ref; |
1496 | } |
1497 | |
1498 | static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda) |
1499 | { |
1500 | int mvd; |
1501 | |
1502 | if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){ |
1503 | // if(!get_cabac(&sl->cabac, &sl->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){ |
1504 | *mvda= 0; |
1505 | return 0; |
1506 | } |
1507 | |
1508 | mvd= 1; |
1509 | ctxbase+= 3; |
1510 | while( mvd < 9 && get_cabac( &sl->cabac, &sl->cabac_state[ctxbase] ) ) { |
1511 | if( mvd < 4 ) |
1512 | ctxbase++; |
1513 | mvd++; |
1514 | } |
1515 | |
1516 | if( mvd >= 9 ) { |
1517 | int k = 3; |
1518 | while( get_cabac_bypass( &sl->cabac ) ) { |
1519 | mvd += 1 << k; |
1520 | k++; |
1521 | if(k>24){ |
1522 | av_log(sl->h264->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n"); |
1523 | return INT_MIN; |
1524 | } |
1525 | } |
1526 | while( k-- ) { |
1527 | mvd += get_cabac_bypass( &sl->cabac )<<k; |
1528 | } |
1529 | *mvda=mvd < 70 ? mvd : 70; |
1530 | }else |
1531 | *mvda=mvd; |
1532 | return get_cabac_bypass_sign( &sl->cabac, -mvd ); |
1533 | } |
1534 | |
1535 | #define DECODE_CABAC_MB_MVD(sl, list, n )\ |
1536 | {\ |
1537 | int amvd0 = sl->mvd_cache[list][scan8[n] - 1][0] +\ |
1538 | sl->mvd_cache[list][scan8[n] - 8][0];\ |
1539 | int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\ |
1540 | sl->mvd_cache[list][scan8[n] - 8][1];\ |
1541 | \ |
1542 | int mxd = decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\ |
1543 | int myd = decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\ |
1544 | if (mxd == INT_MIN || myd == INT_MIN) \ |
1545 | return AVERROR_INVALIDDATA; \ |
1546 | mx += mxd;\ |
1547 | my += myd;\ |
1548 | } |
1549 | |
1550 | static av_always_inline int get_cabac_cbf_ctx(H264SliceContext *sl, |
1551 | int cat, int idx, int max_coeff, |
1552 | int is_dc) |
1553 | { |
1554 | int nza, nzb; |
1555 | int ctx = 0; |
1556 | static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020}; |
1557 | |
1558 | if( is_dc ) { |
1559 | if( cat == 3 ) { |
1560 | idx -= CHROMA_DC_BLOCK_INDEX; |
1561 | nza = (sl->left_cbp>>(6+idx))&0x01; |
1562 | nzb = (sl-> top_cbp>>(6+idx))&0x01; |
1563 | } else { |
1564 | idx -= LUMA_DC_BLOCK_INDEX; |
1565 | nza = sl->left_cbp&(0x100<<idx); |
1566 | nzb = sl-> top_cbp&(0x100<<idx); |
1567 | } |
1568 | } else { |
1569 | nza = sl->non_zero_count_cache[scan8[idx] - 1]; |
1570 | nzb = sl->non_zero_count_cache[scan8[idx] - 8]; |
1571 | } |
1572 | |
1573 | if( nza > 0 ) |
1574 | ctx++; |
1575 | |
1576 | if( nzb > 0 ) |
1577 | ctx += 2; |
1578 | |
1579 | return base_ctx[cat] + ctx; |
1580 | } |
1581 | |
1582 | static av_always_inline void |
1583 | decode_cabac_residual_internal(const H264Context *h, H264SliceContext *sl, |
1584 | int16_t *block, |
1585 | int cat, int n, const uint8_t *scantable, |
1586 | const uint32_t *qmul, int max_coeff, |
1587 | int is_dc, int chroma422) |
1588 | { |
1589 | static const int significant_coeff_flag_offset[2][14] = { |
1590 | { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 }, |
1591 | { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 } |
1592 | }; |
1593 | static const int last_coeff_flag_offset[2][14] = { |
1594 | { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 }, |
1595 | { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 } |
1596 | }; |
1597 | static const int coeff_abs_level_m1_offset[14] = { |
1598 | 227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766 |
1599 | }; |
1600 | static const uint8_t significant_coeff_flag_offset_8x8[2][63] = { |
1601 | { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5, |
1602 | 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7, |
1603 | 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11, |
1604 | 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 }, |
1605 | { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5, |
1606 | 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11, |
1607 | 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9, |
1608 | 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 } |
1609 | }; |
1610 | static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 }; |
1611 | /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0). |
1612 | * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter). |
1613 | * map node ctx => cabac ctx for level=1 */ |
1614 | static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 }; |
1615 | /* map node ctx => cabac ctx for level>1 */ |
1616 | static const uint8_t coeff_abs_levelgt1_ctx[2][8] = { |
1617 | { 5, 5, 5, 5, 6, 7, 8, 9 }, |
1618 | { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case |
1619 | }; |
1620 | static const uint8_t coeff_abs_level_transition[2][8] = { |
1621 | /* update node ctx after decoding a level=1 */ |
1622 | { 1, 2, 3, 3, 4, 5, 6, 7 }, |
1623 | /* update node ctx after decoding a level>1 */ |
1624 | { 4, 4, 4, 4, 5, 6, 7, 7 } |
1625 | }; |
1626 | |
1627 | int index[64]; |
1628 | |
1629 | int last; |
1630 | int coeff_count = 0; |
1631 | int node_ctx = 0; |
1632 | |
1633 | uint8_t *significant_coeff_ctx_base; |
1634 | uint8_t *last_coeff_ctx_base; |
1635 | uint8_t *abs_level_m1_ctx_base; |
1636 | |
1637 | #if !ARCH_X86 |
1638 | #define CABAC_ON_STACK |
1639 | #endif |
1640 | #ifdef CABAC_ON_STACK |
1641 | #define CC &cc |
1642 | CABACContext cc; |
1643 | cc.range = sl->cabac.range; |
1644 | cc.low = sl->cabac.low; |
1645 | cc.bytestream= sl->cabac.bytestream; |
1646 | #if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64 |
1647 | cc.bytestream_end = sl->cabac.bytestream_end; |
1648 | #endif |
1649 | #else |
1650 | #define CC &sl->cabac |
1651 | #endif |
1652 | |
1653 | significant_coeff_ctx_base = sl->cabac_state |
1654 | + significant_coeff_flag_offset[MB_FIELD(sl)][cat]; |
1655 | last_coeff_ctx_base = sl->cabac_state |
1656 | + last_coeff_flag_offset[MB_FIELD(sl)][cat]; |
1657 | abs_level_m1_ctx_base = sl->cabac_state |
1658 | + coeff_abs_level_m1_offset[cat]; |
1659 | |
1660 | if( !is_dc && max_coeff == 64 ) { |
1661 | #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \ |
1662 | for(last= 0; last < coefs; last++) { \ |
1663 | uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \ |
1664 | if( get_cabac( CC, sig_ctx )) { \ |
1665 | uint8_t *last_ctx = last_coeff_ctx_base + last_off; \ |
1666 | index[coeff_count++] = last; \ |
1667 | if( get_cabac( CC, last_ctx ) ) { \ |
1668 | last= max_coeff; \ |
1669 | break; \ |
1670 | } \ |
1671 | } \ |
1672 | }\ |
1673 | if( last == max_coeff -1 ) {\ |
1674 | index[coeff_count++] = last;\ |
1675 | } |
1676 | const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(sl)]; |
1677 | #ifdef decode_significance |
1678 | coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index, |
1679 | last_coeff_ctx_base, sig_off); |
1680 | } else { |
1681 | if (is_dc && chroma422) { // dc 422 |
1682 | DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]); |
1683 | } else { |
1684 | coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index, |
1685 | last_coeff_ctx_base-significant_coeff_ctx_base); |
1686 | } |
1687 | #else |
1688 | DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] ); |
1689 | } else { |
1690 | if (is_dc && chroma422) { // dc 422 |
1691 | DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]); |
1692 | } else { |
1693 | DECODE_SIGNIFICANCE(max_coeff - 1, last, last); |
1694 | } |
1695 | #endif |
1696 | } |
1697 | av_assert2(coeff_count > 0); |
1698 | |
1699 | if( is_dc ) { |
1700 | if( cat == 3 ) |
1701 | h->cbp_table[sl->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX); |
1702 | else |
1703 | h->cbp_table[sl->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX); |
1704 | sl->non_zero_count_cache[scan8[n]] = coeff_count; |
1705 | } else { |
1706 | if( max_coeff == 64 ) |
1707 | fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1); |
1708 | else { |
1709 | av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 ); |
1710 | sl->non_zero_count_cache[scan8[n]] = coeff_count; |
1711 | } |
1712 | } |
1713 | |
1714 | #define STORE_BLOCK(type) \ |
1715 | do { \ |
1716 | uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \ |
1717 | \ |
1718 | int j= scantable[index[--coeff_count]]; \ |
1719 | \ |
1720 | if( get_cabac( CC, ctx ) == 0 ) { \ |
1721 | node_ctx = coeff_abs_level_transition[0][node_ctx]; \ |
1722 | if( is_dc ) { \ |
1723 | ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \ |
1724 | }else{ \ |
1725 | ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \ |
1726 | } \ |
1727 | } else { \ |
1728 | unsigned coeff_abs = 2; \ |
1729 | ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \ |
1730 | node_ctx = coeff_abs_level_transition[1][node_ctx]; \ |
1731 | \ |
1732 | while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \ |
1733 | coeff_abs++; \ |
1734 | } \ |
1735 | \ |
1736 | if( coeff_abs >= 15 ) { \ |
1737 | int j = 0; \ |
1738 | while (get_cabac_bypass(CC) && j < 30) { \ |
1739 | j++; \ |
1740 | } \ |
1741 | \ |
1742 | coeff_abs=1; \ |
1743 | while( j-- ) { \ |
1744 | coeff_abs += coeff_abs + get_cabac_bypass( CC ); \ |
1745 | } \ |
1746 | coeff_abs+= 14U; \ |
1747 | } \ |
1748 | \ |
1749 | if( is_dc ) { \ |
1750 | ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \ |
1751 | }else{ \ |
1752 | ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \ |
1753 | } \ |
1754 | } \ |
1755 | } while ( coeff_count ); |
1756 | |
1757 | if (h->pixel_shift) { |
1758 | STORE_BLOCK(int32_t) |
1759 | } else { |
1760 | STORE_BLOCK(int16_t) |
1761 | } |
1762 | #ifdef CABAC_ON_STACK |
1763 | sl->cabac.range = cc.range ; |
1764 | sl->cabac.low = cc.low ; |
1765 | sl->cabac.bytestream= cc.bytestream; |
1766 | #endif |
1767 | |
1768 | } |
1769 | |
1770 | static av_noinline void decode_cabac_residual_dc_internal(const H264Context *h, |
1771 | H264SliceContext *sl, |
1772 | int16_t *block, |
1773 | int cat, int n, |
1774 | const uint8_t *scantable, |
1775 | int max_coeff) |
1776 | { |
1777 | decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 0); |
1778 | } |
1779 | |
1780 | static av_noinline void decode_cabac_residual_dc_internal_422(const H264Context *h, |
1781 | H264SliceContext *sl, |
1782 | int16_t *block, |
1783 | int cat, int n, |
1784 | const uint8_t *scantable, |
1785 | int max_coeff) |
1786 | { |
1787 | decode_cabac_residual_internal(h, sl, block, cat, n, scantable, NULL, max_coeff, 1, 1); |
1788 | } |
1789 | |
1790 | static av_noinline void decode_cabac_residual_nondc_internal(const H264Context *h, |
1791 | H264SliceContext *sl, |
1792 | int16_t *block, |
1793 | int cat, int n, |
1794 | const uint8_t *scantable, |
1795 | const uint32_t *qmul, |
1796 | int max_coeff) |
1797 | { |
1798 | decode_cabac_residual_internal(h, sl, block, cat, n, scantable, qmul, max_coeff, 0, 0); |
1799 | } |
1800 | |
1801 | /* cat: 0-> DC 16x16 n = 0 |
1802 | * 1-> AC 16x16 n = luma4x4idx |
1803 | * 2-> Luma4x4 n = luma4x4idx |
1804 | * 3-> DC Chroma n = iCbCr |
1805 | * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx |
1806 | * 5-> Luma8x8 n = 4 * luma8x8idx */ |
1807 | |
1808 | /* Partially inline the CABAC residual decode: inline the coded block flag. |
1809 | * This has very little impact on binary size and improves performance |
1810 | * because it allows improved constant propagation into get_cabac_cbf_ctx, |
1811 | * as well as because most blocks have zero CBFs. */ |
1812 | |
1813 | static av_always_inline void decode_cabac_residual_dc(const H264Context *h, |
1814 | H264SliceContext *sl, |
1815 | int16_t *block, |
1816 | int cat, int n, |
1817 | const uint8_t *scantable, |
1818 | int max_coeff) |
1819 | { |
1820 | /* read coded block flag */ |
1821 | if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) { |
1822 | sl->non_zero_count_cache[scan8[n]] = 0; |
1823 | return; |
1824 | } |
1825 | decode_cabac_residual_dc_internal(h, sl, block, cat, n, scantable, max_coeff); |
1826 | } |
1827 | |
1828 | static av_always_inline void |
1829 | decode_cabac_residual_dc_422(const H264Context *h, H264SliceContext *sl, |
1830 | int16_t *block, |
1831 | int cat, int n, const uint8_t *scantable, |
1832 | int max_coeff) |
1833 | { |
1834 | /* read coded block flag */ |
1835 | if (get_cabac(&sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0) { |
1836 | sl->non_zero_count_cache[scan8[n]] = 0; |
1837 | return; |
1838 | } |
1839 | decode_cabac_residual_dc_internal_422(h, sl, block, cat, n, scantable, max_coeff); |
1840 | } |
1841 | |
1842 | static av_always_inline void decode_cabac_residual_nondc(const H264Context *h, |
1843 | H264SliceContext *sl, |
1844 | int16_t *block, |
1845 | int cat, int n, |
1846 | const uint8_t *scantable, |
1847 | const uint32_t *qmul, |
1848 | int max_coeff) |
1849 | { |
1850 | /* read coded block flag */ |
1851 | if( (cat != 5 || CHROMA444(h)) && get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 0)]) == 0) { |
1852 | if( max_coeff == 64 ) { |
1853 | fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1); |
1854 | } else { |
1855 | sl->non_zero_count_cache[scan8[n]] = 0; |
1856 | } |
1857 | return; |
1858 | } |
1859 | decode_cabac_residual_nondc_internal(h, sl, block, cat, n, scantable, qmul, max_coeff); |
1860 | } |
1861 | |
1862 | static av_always_inline void decode_cabac_luma_residual(const H264Context *h, H264SliceContext *sl, |
1863 | const uint8_t *scan, const uint8_t *scan8x8, |
1864 | int pixel_shift, int mb_type, int cbp, int p) |
1865 | { |
1866 | static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}}; |
1867 | const uint32_t *qmul; |
1868 | int i8x8, i4x4; |
1869 | int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1]; |
1870 | if( IS_INTRA16x16( mb_type ) ) { |
1871 | AV_ZERO128(sl->mb_luma_dc[p]+0); |
1872 | AV_ZERO128(sl->mb_luma_dc[p]+8); |
1873 | AV_ZERO128(sl->mb_luma_dc[p]+16); |
1874 | AV_ZERO128(sl->mb_luma_dc[p]+24); |
1875 | decode_cabac_residual_dc(h, sl, sl->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16); |
1876 | |
1877 | if( cbp&15 ) { |
1878 | qmul = h->ps.pps->dequant4_coeff[p][qscale]; |
1879 | for( i4x4 = 0; i4x4 < 16; i4x4++ ) { |
1880 | const int index = 16*p + i4x4; |
1881 | decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15); |
1882 | } |
1883 | } else { |
1884 | fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1); |
1885 | } |
1886 | } else { |
1887 | int cqm = (IS_INTRA( mb_type ) ? 0:3) + p; |
1888 | for( i8x8 = 0; i8x8 < 4; i8x8++ ) { |
1889 | if( cbp & (1<<i8x8) ) { |
1890 | if( IS_8x8DCT(mb_type) ) { |
1891 | const int index = 16*p + 4*i8x8; |
1892 | decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index, |
1893 | scan8x8, h->ps.pps->dequant8_coeff[cqm][qscale], 64); |
1894 | } else { |
1895 | qmul = h->ps.pps->dequant4_coeff[cqm][qscale]; |
1896 | for( i4x4 = 0; i4x4 < 4; i4x4++ ) { |
1897 | const int index = 16*p + 4*i8x8 + i4x4; |
1898 | //START_TIMER |
1899 | decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16); |
1900 | //STOP_TIMER("decode_residual") |
1901 | } |
1902 | } |
1903 | } else { |
1904 | fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1); |
1905 | } |
1906 | } |
1907 | } |
1908 | } |
1909 | |
1910 | /** |
1911 | * Decode a macroblock. |
1912 | * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed |
1913 | */ |
1914 | int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl) |
1915 | { |
1916 | const SPS *sps = h->ps.sps; |
1917 | int mb_xy; |
1918 | int mb_type, partition_count, cbp = 0; |
1919 | int dct8x8_allowed= h->ps.pps->transform_8x8_mode; |
1920 | int decode_chroma = sps->chroma_format_idc == 1 || sps->chroma_format_idc == 2; |
1921 | const int pixel_shift = h->pixel_shift; |
1922 | |
1923 | mb_xy = sl->mb_xy = sl->mb_x + sl->mb_y*h->mb_stride; |
1924 | |
1925 | ff_tlog(h->avctx, "pic:%d mb:%d/%d\n", h->poc.frame_num, sl->mb_x, sl->mb_y); |
1926 | if (sl->slice_type_nos != AV_PICTURE_TYPE_I) { |
1927 | int skip; |
1928 | /* a skipped mb needs the aff flag from the following mb */ |
1929 | if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 1 && sl->prev_mb_skipped) |
1930 | skip = sl->next_mb_skipped; |
1931 | else |
1932 | skip = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y ); |
1933 | /* read skip flags */ |
1934 | if( skip ) { |
1935 | if (FRAME_MBAFF(h) && (sl->mb_y & 1) == 0) { |
1936 | h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP; |
1937 | sl->next_mb_skipped = decode_cabac_mb_skip(h, sl, sl->mb_x, sl->mb_y+1 ); |
1938 | if(!sl->next_mb_skipped) |
1939 | sl->mb_mbaff = sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl); |
1940 | } |
1941 | |
1942 | decode_mb_skip(h, sl); |
1943 | |
1944 | h->cbp_table[mb_xy] = 0; |
1945 | h->chroma_pred_mode_table[mb_xy] = 0; |
1946 | sl->last_qscale_diff = 0; |
1947 | |
1948 | return 0; |
1949 | |
1950 | } |
1951 | } |
1952 | if (FRAME_MBAFF(h)) { |
1953 | if ((sl->mb_y & 1) == 0) |
1954 | sl->mb_mbaff = |
1955 | sl->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h, sl); |
1956 | } |
1957 | |
1958 | sl->prev_mb_skipped = 0; |
1959 | |
1960 | fill_decode_neighbors(h, sl, -(MB_FIELD(sl))); |
1961 | |
1962 | if (sl->slice_type_nos == AV_PICTURE_TYPE_B) { |
1963 | int ctx = 0; |
1964 | av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_B); |
1965 | |
1966 | if (!IS_DIRECT(sl->left_type[LTOP] - 1)) |
1967 | ctx++; |
1968 | if (!IS_DIRECT(sl->top_type - 1)) |
1969 | ctx++; |
1970 | |
1971 | if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+ctx] ) ){ |
1972 | mb_type= 0; /* B_Direct_16x16 */ |
1973 | }else if( !get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+3] ) ) { |
1974 | mb_type= 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); /* B_L[01]_16x16 */ |
1975 | }else{ |
1976 | int bits; |
1977 | bits = get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+4] ) << 3; |
1978 | bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 2; |
1979 | bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ) << 1; |
1980 | bits+= get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); |
1981 | if( bits < 8 ){ |
1982 | mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */ |
1983 | }else if( bits == 13 ){ |
1984 | mb_type = decode_cabac_intra_mb_type(sl, 32, 0); |
1985 | goto decode_intra_mb; |
1986 | }else if( bits == 14 ){ |
1987 | mb_type= 11; /* B_L1_L0_8x16 */ |
1988 | }else if( bits == 15 ){ |
1989 | mb_type= 22; /* B_8x8 */ |
1990 | }else{ |
1991 | bits= ( bits<<1 ) + get_cabac_noinline( &sl->cabac, &sl->cabac_state[27+5] ); |
1992 | mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */ |
1993 | } |
1994 | } |
1995 | partition_count = ff_h264_b_mb_type_info[mb_type].partition_count; |
1996 | mb_type = ff_h264_b_mb_type_info[mb_type].type; |
1997 | } else if (sl->slice_type_nos == AV_PICTURE_TYPE_P) { |
1998 | if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[14] ) == 0 ) { |
1999 | /* P-type */ |
2000 | if( get_cabac_noinline( &sl->cabac, &sl->cabac_state[15] ) == 0 ) { |
2001 | /* P_L0_D16x16, P_8x8 */ |
2002 | mb_type= 3 * get_cabac_noinline( &sl->cabac, &sl->cabac_state[16] ); |
2003 | } else { |
2004 | /* P_L0_D8x16, P_L0_D16x8 */ |
2005 | mb_type= 2 - get_cabac_noinline( &sl->cabac, &sl->cabac_state[17] ); |
2006 | } |
2007 | partition_count = ff_h264_p_mb_type_info[mb_type].partition_count; |
2008 | mb_type = ff_h264_p_mb_type_info[mb_type].type; |
2009 | } else { |
2010 | mb_type = decode_cabac_intra_mb_type(sl, 17, 0); |
2011 | goto decode_intra_mb; |
2012 | } |
2013 | } else { |
2014 | mb_type = decode_cabac_intra_mb_type(sl, 3, 1); |
2015 | if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type) |
2016 | mb_type--; |
2017 | av_assert2(sl->slice_type_nos == AV_PICTURE_TYPE_I); |
2018 | decode_intra_mb: |
2019 | partition_count = 0; |
2020 | cbp = ff_h264_i_mb_type_info[mb_type].cbp; |
2021 | sl->intra16x16_pred_mode = ff_h264_i_mb_type_info[mb_type].pred_mode; |
2022 | mb_type = ff_h264_i_mb_type_info[mb_type].type; |
2023 | } |
2024 | if (MB_FIELD(sl)) |
2025 | mb_type |= MB_TYPE_INTERLACED; |
2026 | |
2027 | h->slice_table[mb_xy] = sl->slice_num; |
2028 | |
2029 | if(IS_INTRA_PCM(mb_type)) { |
2030 | const int mb_size = ff_h264_mb_sizes[sps->chroma_format_idc] * |
2031 | sps->bit_depth_luma >> 3; |
2032 | const uint8_t *ptr; |
2033 | int ret; |
2034 | |
2035 | // We assume these blocks are very rare so we do not optimize it. |
2036 | // FIXME The two following lines get the bitstream position in the cabac |
2037 | // decode, I think it should be done by a function in cabac.h (or cabac.c). |
2038 | ptr= sl->cabac.bytestream; |
2039 | if(sl->cabac.low&0x1) ptr--; |
2040 | if(CABAC_BITS==16){ |
2041 | if(sl->cabac.low&0x1FF) ptr--; |
2042 | } |
2043 | |
2044 | // The pixels are stored in the same order as levels in h->mb array. |
2045 | if ((int) (sl->cabac.bytestream_end - ptr) < mb_size) |
2046 | return -1; |
2047 | sl->intra_pcm_ptr = ptr; |
2048 | ptr += mb_size; |
2049 | |
2050 | ret = ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr); |
2051 | if (ret < 0) |
2052 | return ret; |
2053 | |
2054 | // All blocks are present |
2055 | h->cbp_table[mb_xy] = 0xf7ef; |
2056 | h->chroma_pred_mode_table[mb_xy] = 0; |
2057 | // In deblocking, the quantizer is 0 |
2058 | h->cur_pic.qscale_table[mb_xy] = 0; |
2059 | // All coeffs are present |
2060 | memset(h->non_zero_count[mb_xy], 16, 48); |
2061 | h->cur_pic.mb_type[mb_xy] = mb_type; |
2062 | sl->last_qscale_diff = 0; |
2063 | return 0; |
2064 | } |
2065 | |
2066 | fill_decode_caches(h, sl, mb_type); |
2067 | |
2068 | if( IS_INTRA( mb_type ) ) { |
2069 | int i, pred_mode; |
2070 | if( IS_INTRA4x4( mb_type ) ) { |
2071 | if (dct8x8_allowed && get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size])) { |
2072 | mb_type |= MB_TYPE_8x8DCT; |
2073 | for( i = 0; i < 16; i+=4 ) { |
2074 | int pred = pred_intra_mode(h, sl, i); |
2075 | int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred); |
2076 | fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1); |
2077 | } |
2078 | } else { |
2079 | for( i = 0; i < 16; i++ ) { |
2080 | int pred = pred_intra_mode(h, sl, i); |
2081 | sl->intra4x4_pred_mode_cache[scan8[i]] = decode_cabac_mb_intra4x4_pred_mode(sl, pred); |
2082 | |
2083 | ff_tlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred, |
2084 | sl->intra4x4_pred_mode_cache[scan8[i]]); |
2085 | } |
2086 | } |
2087 | write_back_intra_pred_mode(h, sl); |
2088 | if (ff_h264_check_intra4x4_pred_mode(sl->intra4x4_pred_mode_cache, h->avctx, |
2089 | sl->top_samples_available, sl->left_samples_available) < 0 ) |
2090 | return -1; |
2091 | } else { |
2092 | sl->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available, |
2093 | sl->left_samples_available, sl->intra16x16_pred_mode, 0); |
2094 | if (sl->intra16x16_pred_mode < 0) return -1; |
2095 | } |
2096 | if(decode_chroma){ |
2097 | h->chroma_pred_mode_table[mb_xy] = |
2098 | pred_mode = decode_cabac_mb_chroma_pre_mode(h, sl); |
2099 | |
2100 | pred_mode= ff_h264_check_intra_pred_mode(h->avctx, sl->top_samples_available, |
2101 | sl->left_samples_available, pred_mode, 1 ); |
2102 | if( pred_mode < 0 ) return -1; |
2103 | sl->chroma_pred_mode = pred_mode; |
2104 | } else { |
2105 | sl->chroma_pred_mode = DC_128_PRED8x8; |
2106 | } |
2107 | } else if( partition_count == 4 ) { |
2108 | int i, j, sub_partition_count[4], list, ref[2][4]; |
2109 | |
2110 | if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) { |
2111 | for( i = 0; i < 4; i++ ) { |
2112 | sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl); |
2113 | sub_partition_count[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count; |
2114 | sl->sub_mb_type[i] = ff_h264_b_sub_mb_type_info[sl->sub_mb_type[i]].type; |
2115 | } |
2116 | if (IS_DIRECT(sl->sub_mb_type[0] | sl->sub_mb_type[1] | |
2117 | sl->sub_mb_type[2] | sl->sub_mb_type[3])) { |
2118 | ff_h264_pred_direct_motion(h, sl, &mb_type); |
2119 | sl->ref_cache[0][scan8[4]] = |
2120 | sl->ref_cache[1][scan8[4]] = |
2121 | sl->ref_cache[0][scan8[12]] = |
2122 | sl->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; |
2123 | for( i = 0; i < 4; i++ ) |
2124 | fill_rectangle(&sl->direct_cache[scan8[4*i]], 2, 2, 8, (sl->sub_mb_type[i] >> 1) & 0xFF, 1); |
2125 | } |
2126 | } else { |
2127 | for( i = 0; i < 4; i++ ) { |
2128 | sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl); |
2129 | sub_partition_count[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count; |
2130 | sl->sub_mb_type[i] = ff_h264_p_sub_mb_type_info[sl->sub_mb_type[i]].type; |
2131 | } |
2132 | } |
2133 | |
2134 | for( list = 0; list < sl->list_count; list++ ) { |
2135 | for( i = 0; i < 4; i++ ) { |
2136 | if(IS_DIRECT(sl->sub_mb_type[i])) continue; |
2137 | if(IS_DIR(sl->sub_mb_type[i], 0, list)){ |
2138 | unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
2139 | if (rc > 1) { |
2140 | ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i); |
2141 | if (ref[list][i] >= rc) { |
2142 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc); |
2143 | return -1; |
2144 | } |
2145 | }else |
2146 | ref[list][i] = 0; |
2147 | } else { |
2148 | ref[list][i] = -1; |
2149 | } |
2150 | sl->ref_cache[list][scan8[4 * i] + 1] = |
2151 | sl->ref_cache[list][scan8[4 * i] + 8] = sl->ref_cache[list][scan8[4 * i] + 9] = ref[list][i]; |
2152 | } |
2153 | } |
2154 | |
2155 | if(dct8x8_allowed) |
2156 | dct8x8_allowed = get_dct8x8_allowed(h, sl); |
2157 | |
2158 | for (list = 0; list < sl->list_count; list++) { |
2159 | for(i=0; i<4; i++){ |
2160 | sl->ref_cache[list][scan8[4 * i]] = sl->ref_cache[list][scan8[4 * i] + 1]; |
2161 | if(IS_DIRECT(sl->sub_mb_type[i])){ |
2162 | fill_rectangle(sl->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2); |
2163 | continue; |
2164 | } |
2165 | |
2166 | if(IS_DIR(sl->sub_mb_type[i], 0, list) && !IS_DIRECT(sl->sub_mb_type[i])){ |
2167 | const int sub_mb_type= sl->sub_mb_type[i]; |
2168 | const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; |
2169 | for(j=0; j<sub_partition_count[i]; j++){ |
2170 | int mpx, mpy; |
2171 | int mx, my; |
2172 | const int index= 4*i + block_width*j; |
2173 | int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ]; |
2174 | uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ]; |
2175 | pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my); |
2176 | DECODE_CABAC_MB_MVD(sl, list, index) |
2177 | ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
2178 | |
2179 | if(IS_SUB_8X8(sub_mb_type)){ |
2180 | mv_cache[ 1 ][0]= |
2181 | mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; |
2182 | mv_cache[ 1 ][1]= |
2183 | mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; |
2184 | |
2185 | mvd_cache[ 1 ][0]= |
2186 | mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx; |
2187 | mvd_cache[ 1 ][1]= |
2188 | mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy; |
2189 | }else if(IS_SUB_8X4(sub_mb_type)){ |
2190 | mv_cache[ 1 ][0]= mx; |
2191 | mv_cache[ 1 ][1]= my; |
2192 | |
2193 | mvd_cache[ 1 ][0]= mpx; |
2194 | mvd_cache[ 1 ][1]= mpy; |
2195 | }else if(IS_SUB_4X8(sub_mb_type)){ |
2196 | mv_cache[ 8 ][0]= mx; |
2197 | mv_cache[ 8 ][1]= my; |
2198 | |
2199 | mvd_cache[ 8 ][0]= mpx; |
2200 | mvd_cache[ 8 ][1]= mpy; |
2201 | } |
2202 | mv_cache[ 0 ][0]= mx; |
2203 | mv_cache[ 0 ][1]= my; |
2204 | |
2205 | mvd_cache[ 0 ][0]= mpx; |
2206 | mvd_cache[ 0 ][1]= mpy; |
2207 | } |
2208 | }else{ |
2209 | fill_rectangle(sl->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4); |
2210 | fill_rectangle(sl->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2); |
2211 | } |
2212 | } |
2213 | } |
2214 | } else if( IS_DIRECT(mb_type) ) { |
2215 | ff_h264_pred_direct_motion(h, sl, &mb_type); |
2216 | fill_rectangle(sl->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2); |
2217 | fill_rectangle(sl->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2); |
2218 | dct8x8_allowed &= sps->direct_8x8_inference_flag; |
2219 | } else { |
2220 | int list, i; |
2221 | if(IS_16X16(mb_type)){ |
2222 | for (list = 0; list < sl->list_count; list++) { |
2223 | if(IS_DIR(mb_type, 0, list)){ |
2224 | int ref; |
2225 | unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
2226 | if (rc > 1) { |
2227 | ref= decode_cabac_mb_ref(sl, list, 0); |
2228 | if (ref >= rc) { |
2229 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc); |
2230 | return -1; |
2231 | } |
2232 | }else |
2233 | ref=0; |
2234 | fill_rectangle(&sl->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1); |
2235 | } |
2236 | } |
2237 | for (list = 0; list < sl->list_count; list++) { |
2238 | if(IS_DIR(mb_type, 0, list)){ |
2239 | int mx,my,mpx,mpy; |
2240 | pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my); |
2241 | DECODE_CABAC_MB_MVD(sl, list, 0) |
2242 | ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
2243 | |
2244 | fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2); |
2245 | fill_rectangle(sl->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4); |
2246 | } |
2247 | } |
2248 | } |
2249 | else if(IS_16X8(mb_type)){ |
2250 | for (list = 0; list < sl->list_count; list++) { |
2251 | for(i=0; i<2; i++){ |
2252 | if(IS_DIR(mb_type, i, list)){ |
2253 | int ref; |
2254 | unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
2255 | if (rc > 1) { |
2256 | ref= decode_cabac_mb_ref(sl, list, 8 * i); |
2257 | if (ref >= rc) { |
2258 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc); |
2259 | return -1; |
2260 | } |
2261 | }else |
2262 | ref=0; |
2263 | fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1); |
2264 | }else |
2265 | fill_rectangle(&sl->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1); |
2266 | } |
2267 | } |
2268 | for (list = 0; list < sl->list_count; list++) { |
2269 | for(i=0; i<2; i++){ |
2270 | if(IS_DIR(mb_type, i, list)){ |
2271 | int mx,my,mpx,mpy; |
2272 | pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my); |
2273 | DECODE_CABAC_MB_MVD(sl, list, 8*i) |
2274 | ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
2275 | |
2276 | fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2); |
2277 | fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4); |
2278 | }else{ |
2279 | fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2); |
2280 | fill_rectangle(sl->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); |
2281 | } |
2282 | } |
2283 | } |
2284 | }else{ |
2285 | av_assert2(IS_8X16(mb_type)); |
2286 | for (list = 0; list < sl->list_count; list++) { |
2287 | for(i=0; i<2; i++){ |
2288 | if(IS_DIR(mb_type, i, list)){ //FIXME optimize |
2289 | int ref; |
2290 | unsigned rc = sl->ref_count[list] << MB_MBAFF(sl); |
2291 | if (rc > 1) { |
2292 | ref = decode_cabac_mb_ref(sl, list, 4 * i); |
2293 | if (ref >= rc) { |
2294 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc); |
2295 | return -1; |
2296 | } |
2297 | }else |
2298 | ref=0; |
2299 | fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1); |
2300 | }else |
2301 | fill_rectangle(&sl->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1); |
2302 | } |
2303 | } |
2304 | for (list = 0; list < sl->list_count; list++) { |
2305 | for(i=0; i<2; i++){ |
2306 | if(IS_DIR(mb_type, i, list)){ |
2307 | int mx,my,mpx,mpy; |
2308 | pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my); |
2309 | DECODE_CABAC_MB_MVD(sl, list, 4*i) |
2310 | |
2311 | ff_tlog(h->avctx, "final mv:%d %d\n", mx, my); |
2312 | fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2); |
2313 | fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4); |
2314 | }else{ |
2315 | fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2); |
2316 | fill_rectangle(sl->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); |
2317 | } |
2318 | } |
2319 | } |
2320 | } |
2321 | } |
2322 | |
2323 | if( IS_INTER( mb_type ) ) { |
2324 | h->chroma_pred_mode_table[mb_xy] = 0; |
2325 | write_back_motion(h, sl, mb_type); |
2326 | } |
2327 | |
2328 | if( !IS_INTRA16x16( mb_type ) ) { |
2329 | cbp = decode_cabac_mb_cbp_luma(sl); |
2330 | if(decode_chroma) |
2331 | cbp |= decode_cabac_mb_cbp_chroma(sl) << 4; |
2332 | } else { |
2333 | if (!decode_chroma && cbp>15) { |
2334 | av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n"); |
2335 | return AVERROR_INVALIDDATA; |
2336 | } |
2337 | } |
2338 | |
2339 | h->cbp_table[mb_xy] = sl->cbp = cbp; |
2340 | |
2341 | if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) { |
2342 | mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline(&sl->cabac, &sl->cabac_state[399 + sl->neighbor_transform_size]); |
2343 | } |
2344 | |
2345 | /* It would be better to do this in fill_decode_caches, but we don't know |
2346 | * the transform mode of the current macroblock there. */ |
2347 | if (CHROMA444(h) && IS_8x8DCT(mb_type)){ |
2348 | int i; |
2349 | uint8_t *nnz_cache = sl->non_zero_count_cache; |
2350 | for (i = 0; i < 2; i++){ |
2351 | if (sl->left_type[LEFT(i)] && !IS_8x8DCT(sl->left_type[LEFT(i)])) { |
2352 | nnz_cache[3+8* 1 + 2*8*i]= |
2353 | nnz_cache[3+8* 2 + 2*8*i]= |
2354 | nnz_cache[3+8* 6 + 2*8*i]= |
2355 | nnz_cache[3+8* 7 + 2*8*i]= |
2356 | nnz_cache[3+8*11 + 2*8*i]= |
2357 | nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0; |
2358 | } |
2359 | } |
2360 | if (sl->top_type && !IS_8x8DCT(sl->top_type)){ |
2361 | uint32_t top_empty = !IS_INTRA(mb_type) ? 0 : 0x40404040; |
2362 | AV_WN32A(&nnz_cache[4+8* 0], top_empty); |
2363 | AV_WN32A(&nnz_cache[4+8* 5], top_empty); |
2364 | AV_WN32A(&nnz_cache[4+8*10], top_empty); |
2365 | } |
2366 | } |
2367 | h->cur_pic.mb_type[mb_xy] = mb_type; |
2368 | |
2369 | if( cbp || IS_INTRA16x16( mb_type ) ) { |
2370 | const uint8_t *scan, *scan8x8; |
2371 | const uint32_t *qmul; |
2372 | |
2373 | if(IS_INTERLACED(mb_type)){ |
2374 | scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; |
2375 | scan = sl->qscale ? h->field_scan : h->field_scan_q0; |
2376 | }else{ |
2377 | scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; |
2378 | scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0; |
2379 | } |
2380 | |
2381 | // decode_cabac_mb_dqp |
2382 | if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){ |
2383 | int val = 1; |
2384 | int ctx= 2; |
2385 | const int max_qp = 51 + 6*(sps->bit_depth_luma-8); |
2386 | |
2387 | while( get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + ctx] ) ) { |
2388 | ctx= 3; |
2389 | val++; |
2390 | if(val > 2*max_qp){ //prevent infinite loop |
2391 | av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", sl->mb_x, sl->mb_y); |
2392 | return -1; |
2393 | } |
2394 | } |
2395 | |
2396 | if( val&0x01 ) |
2397 | val= (val + 1)>>1 ; |
2398 | else |
2399 | val= -((val + 1)>>1); |
2400 | sl->last_qscale_diff = val; |
2401 | sl->qscale += val; |
2402 | if (((unsigned)sl->qscale) > max_qp){ |
2403 | if (sl->qscale < 0) sl->qscale += max_qp + 1; |
2404 | else sl->qscale -= max_qp + 1; |
2405 | } |
2406 | sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale); |
2407 | sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale); |
2408 | }else |
2409 | sl->last_qscale_diff=0; |
2410 | |
2411 | decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0); |
2412 | if (CHROMA444(h)) { |
2413 | decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 1); |
2414 | decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 2); |
2415 | } else if (CHROMA422(h)) { |
2416 | if( cbp&0x30 ){ |
2417 | int c; |
2418 | for (c = 0; c < 2; c++) |
2419 | decode_cabac_residual_dc_422(h, sl, sl->mb + ((256 + 16*16*c) << pixel_shift), 3, |
2420 | CHROMA_DC_BLOCK_INDEX + c, |
2421 | ff_h264_chroma422_dc_scan, 8); |
2422 | } |
2423 | |
2424 | if( cbp&0x20 ) { |
2425 | int c, i, i8x8; |
2426 | for( c = 0; c < 2; c++ ) { |
2427 | int16_t *mb = sl->mb + (16*(16 + 16*c) << pixel_shift); |
2428 | qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]]; |
2429 | for (i8x8 = 0; i8x8 < 2; i8x8++) { |
2430 | for (i = 0; i < 4; i++) { |
2431 | const int index = 16 + 16 * c + 8*i8x8 + i; |
2432 | decode_cabac_residual_nondc(h, sl, mb, 4, index, scan + 1, qmul, 15); |
2433 | mb += 16<<pixel_shift; |
2434 | } |
2435 | } |
2436 | } |
2437 | } else { |
2438 | fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); |
2439 | fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); |
2440 | } |
2441 | } else /* yuv420 */ { |
2442 | if( cbp&0x30 ){ |
2443 | int c; |
2444 | for (c = 0; c < 2; c++) |
2445 | decode_cabac_residual_dc(h, sl, sl->mb + ((256 + 16 * 16 * c) << pixel_shift), |
2446 | 3, CHROMA_DC_BLOCK_INDEX + c, ff_h264_chroma_dc_scan, 4); |
2447 | } |
2448 | |
2449 | if( cbp&0x20 ) { |
2450 | int c, i; |
2451 | for( c = 0; c < 2; c++ ) { |
2452 | qmul = h->ps.pps->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][sl->chroma_qp[c]]; |
2453 | for( i = 0; i < 4; i++ ) { |
2454 | const int index = 16 + 16 * c + i; |
2455 | decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15); |
2456 | } |
2457 | } |
2458 | } else { |
2459 | fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); |
2460 | fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); |
2461 | } |
2462 | } |
2463 | } else { |
2464 | fill_rectangle(&sl->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1); |
2465 | fill_rectangle(&sl->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); |
2466 | fill_rectangle(&sl->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); |
2467 | sl->last_qscale_diff = 0; |
2468 | } |
2469 | |
2470 | h->cur_pic.qscale_table[mb_xy] = sl->qscale; |
2471 | write_back_non_zero_count(h, sl); |
2472 | |
2473 | return 0; |
2474 | } |
2475 |