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2ba45a60 DM |
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 / MPEG4 part10 cabac decoding. | |
25 | * @author Michael Niedermayer <michaelni@gmx.at> | |
26 | */ | |
27 | ||
28 | #define CABAC(h) 1 | |
29 | #define UNCHECKED_BITSTREAM_READER 1 | |
30 | ||
31 | #include "libavutil/attributes.h" | |
32 | #include "libavutil/avassert.h" | |
33 | #include "libavutil/timer.h" | |
34 | #include "config.h" | |
35 | #include "cabac.h" | |
36 | #include "cabac_functions.h" | |
37 | #include "internal.h" | |
38 | #include "avcodec.h" | |
39 | #include "h264.h" | |
40 | #include "h264data.h" | |
41 | #include "h264_mvpred.h" | |
42 | #include "golomb.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 unsused 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(H264Context *h) { | |
1264 | int i; | |
1265 | const int8_t (*tab)[2]; | |
1266 | const int slice_qp = av_clip(h->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51); | |
1267 | ||
1268 | if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I; | |
1269 | else tab = cabac_context_init_PB[h->cabac_init_idc]; | |
1270 | ||
1271 | /* calculate pre-state */ | |
1272 | for( i= 0; i < 1024; i++ ) { | |
1273 | int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127; | |
1274 | ||
1275 | pre^= pre>>31; | |
1276 | if(pre > 124) | |
1277 | pre= 124 + (pre&1); | |
1278 | ||
1279 | h->cabac_state[i] = pre; | |
1280 | } | |
1281 | } | |
1282 | ||
1283 | static int decode_cabac_field_decoding_flag(H264Context *h) { | |
1284 | const long mbb_xy = h->mb_xy - 2L*h->mb_stride; | |
1285 | ||
1286 | unsigned long ctx = 0; | |
1287 | ||
1288 | ctx += h->mb_field_decoding_flag & !!h->mb_x; //for FMO:(s->current_picture.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num); | |
1289 | ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num); | |
1290 | ||
1291 | return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] ); | |
1292 | } | |
1293 | ||
1294 | static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) { | |
1295 | uint8_t *state= &h->cabac_state[ctx_base]; | |
1296 | int mb_type; | |
1297 | ||
1298 | if(intra_slice){ | |
1299 | int ctx=0; | |
1300 | if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)) | |
1301 | ctx++; | |
1302 | if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)) | |
1303 | ctx++; | |
1304 | if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 ) | |
1305 | return 0; /* I4x4 */ | |
1306 | state += 2; | |
1307 | }else{ | |
1308 | if( get_cabac_noinline( &h->cabac, state ) == 0 ) | |
1309 | return 0; /* I4x4 */ | |
1310 | } | |
1311 | ||
1312 | if( get_cabac_terminate( &h->cabac ) ) | |
1313 | return 25; /* PCM */ | |
1314 | ||
1315 | mb_type = 1; /* I16x16 */ | |
1316 | mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */ | |
1317 | if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */ | |
1318 | mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] ); | |
1319 | mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] ); | |
1320 | mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] ); | |
1321 | return mb_type; | |
1322 | } | |
1323 | ||
1324 | static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) { | |
1325 | int mba_xy, mbb_xy; | |
1326 | int ctx = 0; | |
1327 | ||
1328 | if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches? | |
1329 | int mb_xy = mb_x + (mb_y&~1)*h->mb_stride; | |
1330 | mba_xy = mb_xy - 1; | |
1331 | if( (mb_y&1) | |
1332 | && h->slice_table[mba_xy] == h->slice_num | |
1333 | && MB_FIELD(h) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) ) | |
1334 | mba_xy += h->mb_stride; | |
1335 | if (MB_FIELD(h)) { | |
1336 | mbb_xy = mb_xy - h->mb_stride; | |
1337 | if( !(mb_y&1) | |
1338 | && h->slice_table[mbb_xy] == h->slice_num | |
1339 | && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) ) | |
1340 | mbb_xy -= h->mb_stride; | |
1341 | }else | |
1342 | mbb_xy = mb_x + (mb_y-1)*h->mb_stride; | |
1343 | }else{ | |
1344 | int mb_xy = h->mb_xy; | |
1345 | mba_xy = mb_xy - 1; | |
1346 | mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h)); | |
1347 | } | |
1348 | ||
1349 | if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] )) | |
1350 | ctx++; | |
1351 | if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] )) | |
1352 | ctx++; | |
1353 | ||
1354 | if( h->slice_type_nos == AV_PICTURE_TYPE_B ) | |
1355 | ctx += 13; | |
1356 | return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] ); | |
1357 | } | |
1358 | ||
1359 | static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) { | |
1360 | int mode = 0; | |
1361 | ||
1362 | if( get_cabac( &h->cabac, &h->cabac_state[68] ) ) | |
1363 | return pred_mode; | |
1364 | ||
1365 | mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] ); | |
1366 | mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] ); | |
1367 | mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] ); | |
1368 | ||
1369 | return mode + ( mode >= pred_mode ); | |
1370 | } | |
1371 | ||
1372 | static int decode_cabac_mb_chroma_pre_mode( H264Context *h) { | |
1373 | const int mba_xy = h->left_mb_xy[0]; | |
1374 | const int mbb_xy = h->top_mb_xy; | |
1375 | ||
1376 | int ctx = 0; | |
1377 | ||
1378 | /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */ | |
1379 | if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 ) | |
1380 | ctx++; | |
1381 | ||
1382 | if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 ) | |
1383 | ctx++; | |
1384 | ||
1385 | if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 ) | |
1386 | return 0; | |
1387 | ||
1388 | if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 ) | |
1389 | return 1; | |
1390 | if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 ) | |
1391 | return 2; | |
1392 | else | |
1393 | return 3; | |
1394 | } | |
1395 | ||
1396 | static int decode_cabac_mb_cbp_luma( H264Context *h) { | |
1397 | int cbp_b, cbp_a, ctx, cbp = 0; | |
1398 | ||
1399 | cbp_a = h->left_cbp; | |
1400 | cbp_b = h->top_cbp; | |
1401 | ||
1402 | ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04); | |
1403 | cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]); | |
1404 | ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08); | |
1405 | cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1; | |
1406 | ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01); | |
1407 | cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2; | |
1408 | ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02); | |
1409 | cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3; | |
1410 | return cbp; | |
1411 | } | |
1412 | static int decode_cabac_mb_cbp_chroma( H264Context *h) { | |
1413 | int ctx; | |
1414 | int cbp_a, cbp_b; | |
1415 | ||
1416 | cbp_a = (h->left_cbp>>4)&0x03; | |
1417 | cbp_b = (h-> top_cbp>>4)&0x03; | |
1418 | ||
1419 | ctx = 0; | |
1420 | if( cbp_a > 0 ) ctx++; | |
1421 | if( cbp_b > 0 ) ctx += 2; | |
1422 | if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 ) | |
1423 | return 0; | |
1424 | ||
1425 | ctx = 4; | |
1426 | if( cbp_a == 2 ) ctx++; | |
1427 | if( cbp_b == 2 ) ctx += 2; | |
1428 | return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ); | |
1429 | } | |
1430 | ||
1431 | static int decode_cabac_p_mb_sub_type( H264Context *h ) { | |
1432 | if( get_cabac( &h->cabac, &h->cabac_state[21] ) ) | |
1433 | return 0; /* 8x8 */ | |
1434 | if( !get_cabac( &h->cabac, &h->cabac_state[22] ) ) | |
1435 | return 1; /* 8x4 */ | |
1436 | if( get_cabac( &h->cabac, &h->cabac_state[23] ) ) | |
1437 | return 2; /* 4x8 */ | |
1438 | return 3; /* 4x4 */ | |
1439 | } | |
1440 | static int decode_cabac_b_mb_sub_type( H264Context *h ) { | |
1441 | int type; | |
1442 | if( !get_cabac( &h->cabac, &h->cabac_state[36] ) ) | |
1443 | return 0; /* B_Direct_8x8 */ | |
1444 | if( !get_cabac( &h->cabac, &h->cabac_state[37] ) ) | |
1445 | return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */ | |
1446 | type = 3; | |
1447 | if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) { | |
1448 | if( get_cabac( &h->cabac, &h->cabac_state[39] ) ) | |
1449 | return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */ | |
1450 | type += 4; | |
1451 | } | |
1452 | type += 2*get_cabac( &h->cabac, &h->cabac_state[39] ); | |
1453 | type += get_cabac( &h->cabac, &h->cabac_state[39] ); | |
1454 | return type; | |
1455 | } | |
1456 | ||
1457 | static int decode_cabac_mb_ref( H264Context *h, int list, int n ) { | |
1458 | int refa = h->ref_cache[list][scan8[n] - 1]; | |
1459 | int refb = h->ref_cache[list][scan8[n] - 8]; | |
1460 | int ref = 0; | |
1461 | int ctx = 0; | |
1462 | ||
1463 | if( h->slice_type_nos == AV_PICTURE_TYPE_B) { | |
1464 | if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) ) | |
1465 | ctx++; | |
1466 | if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) ) | |
1467 | ctx += 2; | |
1468 | } else { | |
1469 | if( refa > 0 ) | |
1470 | ctx++; | |
1471 | if( refb > 0 ) | |
1472 | ctx += 2; | |
1473 | } | |
1474 | ||
1475 | while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) { | |
1476 | ref++; | |
1477 | ctx = (ctx>>2)+4; | |
1478 | if(ref >= 32 /*h->ref_list[list]*/){ | |
1479 | return -1; | |
1480 | } | |
1481 | } | |
1482 | return ref; | |
1483 | } | |
1484 | ||
1485 | static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) { | |
1486 | int mvd; | |
1487 | ||
1488 | if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){ | |
1489 | // if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){ | |
1490 | *mvda= 0; | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | mvd= 1; | |
1495 | ctxbase+= 3; | |
1496 | while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) { | |
1497 | if( mvd < 4 ) | |
1498 | ctxbase++; | |
1499 | mvd++; | |
1500 | } | |
1501 | ||
1502 | if( mvd >= 9 ) { | |
1503 | int k = 3; | |
1504 | while( get_cabac_bypass( &h->cabac ) ) { | |
1505 | mvd += 1 << k; | |
1506 | k++; | |
1507 | if(k>24){ | |
1508 | av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n"); | |
1509 | return INT_MIN; | |
1510 | } | |
1511 | } | |
1512 | while( k-- ) { | |
1513 | mvd += get_cabac_bypass( &h->cabac )<<k; | |
1514 | } | |
1515 | *mvda=mvd < 70 ? mvd : 70; | |
1516 | }else | |
1517 | *mvda=mvd; | |
1518 | return get_cabac_bypass_sign( &h->cabac, -mvd ); | |
1519 | } | |
1520 | ||
1521 | #define DECODE_CABAC_MB_MVD( h, list, n )\ | |
1522 | {\ | |
1523 | int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\ | |
1524 | h->mvd_cache[list][scan8[n] - 8][0];\ | |
1525 | int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\ | |
1526 | h->mvd_cache[list][scan8[n] - 8][1];\ | |
1527 | \ | |
1528 | mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\ | |
1529 | my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\ | |
1530 | } | |
1531 | ||
1532 | static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) { | |
1533 | int nza, nzb; | |
1534 | int ctx = 0; | |
1535 | static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020}; | |
1536 | ||
1537 | if( is_dc ) { | |
1538 | if( cat == 3 ) { | |
1539 | idx -= CHROMA_DC_BLOCK_INDEX; | |
1540 | nza = (h->left_cbp>>(6+idx))&0x01; | |
1541 | nzb = (h-> top_cbp>>(6+idx))&0x01; | |
1542 | } else { | |
1543 | idx -= LUMA_DC_BLOCK_INDEX; | |
1544 | nza = h->left_cbp&(0x100<<idx); | |
1545 | nzb = h-> top_cbp&(0x100<<idx); | |
1546 | } | |
1547 | } else { | |
1548 | nza = h->non_zero_count_cache[scan8[idx] - 1]; | |
1549 | nzb = h->non_zero_count_cache[scan8[idx] - 8]; | |
1550 | } | |
1551 | ||
1552 | if( nza > 0 ) | |
1553 | ctx++; | |
1554 | ||
1555 | if( nzb > 0 ) | |
1556 | ctx += 2; | |
1557 | ||
1558 | return base_ctx[cat] + ctx; | |
1559 | } | |
1560 | ||
1561 | static av_always_inline void | |
1562 | decode_cabac_residual_internal(H264Context *h, int16_t *block, | |
1563 | int cat, int n, const uint8_t *scantable, | |
1564 | const uint32_t *qmul, int max_coeff, | |
1565 | int is_dc, int chroma422) | |
1566 | { | |
1567 | static const int significant_coeff_flag_offset[2][14] = { | |
1568 | { 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 }, | |
1569 | { 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 } | |
1570 | }; | |
1571 | static const int last_coeff_flag_offset[2][14] = { | |
1572 | { 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 }, | |
1573 | { 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 } | |
1574 | }; | |
1575 | static const int coeff_abs_level_m1_offset[14] = { | |
1576 | 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 | |
1577 | }; | |
1578 | static const uint8_t significant_coeff_flag_offset_8x8[2][63] = { | |
1579 | { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5, | |
1580 | 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7, | |
1581 | 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11, | |
1582 | 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 }, | |
1583 | { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5, | |
1584 | 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11, | |
1585 | 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9, | |
1586 | 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 } | |
1587 | }; | |
1588 | static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 }; | |
1589 | /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0). | |
1590 | * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter). | |
1591 | * map node ctx => cabac ctx for level=1 */ | |
1592 | static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 }; | |
1593 | /* map node ctx => cabac ctx for level>1 */ | |
1594 | static const uint8_t coeff_abs_levelgt1_ctx[2][8] = { | |
1595 | { 5, 5, 5, 5, 6, 7, 8, 9 }, | |
1596 | { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case | |
1597 | }; | |
1598 | static const uint8_t coeff_abs_level_transition[2][8] = { | |
1599 | /* update node ctx after decoding a level=1 */ | |
1600 | { 1, 2, 3, 3, 4, 5, 6, 7 }, | |
1601 | /* update node ctx after decoding a level>1 */ | |
1602 | { 4, 4, 4, 4, 5, 6, 7, 7 } | |
1603 | }; | |
1604 | ||
1605 | int index[64]; | |
1606 | ||
1607 | int last; | |
1608 | int coeff_count = 0; | |
1609 | int node_ctx = 0; | |
1610 | ||
1611 | uint8_t *significant_coeff_ctx_base; | |
1612 | uint8_t *last_coeff_ctx_base; | |
1613 | uint8_t *abs_level_m1_ctx_base; | |
1614 | ||
1615 | #if !ARCH_X86 | |
1616 | #define CABAC_ON_STACK | |
1617 | #endif | |
1618 | #ifdef CABAC_ON_STACK | |
1619 | #define CC &cc | |
1620 | CABACContext cc; | |
1621 | cc.range = h->cabac.range; | |
1622 | cc.low = h->cabac.low; | |
1623 | cc.bytestream= h->cabac.bytestream; | |
1624 | #if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64 | |
1625 | cc.bytestream_end = h->cabac.bytestream_end; | |
1626 | #endif | |
1627 | #else | |
1628 | #define CC &h->cabac | |
1629 | #endif | |
1630 | ||
1631 | significant_coeff_ctx_base = h->cabac_state | |
1632 | + significant_coeff_flag_offset[MB_FIELD(h)][cat]; | |
1633 | last_coeff_ctx_base = h->cabac_state | |
1634 | + last_coeff_flag_offset[MB_FIELD(h)][cat]; | |
1635 | abs_level_m1_ctx_base = h->cabac_state | |
1636 | + coeff_abs_level_m1_offset[cat]; | |
1637 | ||
1638 | if( !is_dc && max_coeff == 64 ) { | |
1639 | #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \ | |
1640 | for(last= 0; last < coefs; last++) { \ | |
1641 | uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \ | |
1642 | if( get_cabac( CC, sig_ctx )) { \ | |
1643 | uint8_t *last_ctx = last_coeff_ctx_base + last_off; \ | |
1644 | index[coeff_count++] = last; \ | |
1645 | if( get_cabac( CC, last_ctx ) ) { \ | |
1646 | last= max_coeff; \ | |
1647 | break; \ | |
1648 | } \ | |
1649 | } \ | |
1650 | }\ | |
1651 | if( last == max_coeff -1 ) {\ | |
1652 | index[coeff_count++] = last;\ | |
1653 | } | |
1654 | const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(h)]; | |
1655 | #ifdef decode_significance | |
1656 | coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index, | |
1657 | last_coeff_ctx_base, sig_off); | |
1658 | } else { | |
1659 | if (is_dc && chroma422) { // dc 422 | |
1660 | DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]); | |
1661 | } else { | |
1662 | coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index, | |
1663 | last_coeff_ctx_base-significant_coeff_ctx_base); | |
1664 | } | |
1665 | #else | |
1666 | DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] ); | |
1667 | } else { | |
1668 | if (is_dc && chroma422) { // dc 422 | |
1669 | DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]); | |
1670 | } else { | |
1671 | DECODE_SIGNIFICANCE(max_coeff - 1, last, last); | |
1672 | } | |
1673 | #endif | |
1674 | } | |
1675 | av_assert2(coeff_count > 0); | |
1676 | ||
1677 | if( is_dc ) { | |
1678 | if( cat == 3 ) | |
1679 | h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX); | |
1680 | else | |
1681 | h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX); | |
1682 | h->non_zero_count_cache[scan8[n]] = coeff_count; | |
1683 | } else { | |
1684 | if( max_coeff == 64 ) | |
1685 | fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1); | |
1686 | else { | |
1687 | av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 ); | |
1688 | h->non_zero_count_cache[scan8[n]] = coeff_count; | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | #define STORE_BLOCK(type) \ | |
1693 | do { \ | |
1694 | uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \ | |
1695 | \ | |
1696 | int j= scantable[index[--coeff_count]]; \ | |
1697 | \ | |
1698 | if( get_cabac( CC, ctx ) == 0 ) { \ | |
1699 | node_ctx = coeff_abs_level_transition[0][node_ctx]; \ | |
1700 | if( is_dc ) { \ | |
1701 | ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \ | |
1702 | }else{ \ | |
1703 | ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \ | |
1704 | } \ | |
1705 | } else { \ | |
1706 | int coeff_abs = 2; \ | |
1707 | ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \ | |
1708 | node_ctx = coeff_abs_level_transition[1][node_ctx]; \ | |
1709 | \ | |
1710 | while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \ | |
1711 | coeff_abs++; \ | |
1712 | } \ | |
1713 | \ | |
1714 | if( coeff_abs >= 15 ) { \ | |
1715 | int j = 0; \ | |
1716 | while(get_cabac_bypass( CC ) && j<30) { \ | |
1717 | j++; \ | |
1718 | } \ | |
1719 | \ | |
1720 | coeff_abs=1; \ | |
1721 | while( j-- ) { \ | |
1722 | coeff_abs += coeff_abs + get_cabac_bypass( CC ); \ | |
1723 | } \ | |
1724 | coeff_abs+= 14; \ | |
1725 | } \ | |
1726 | \ | |
1727 | if( is_dc ) { \ | |
1728 | ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \ | |
1729 | }else{ \ | |
1730 | ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \ | |
1731 | } \ | |
1732 | } \ | |
1733 | } while ( coeff_count ); | |
1734 | ||
1735 | if (h->pixel_shift) { | |
1736 | STORE_BLOCK(int32_t) | |
1737 | } else { | |
1738 | STORE_BLOCK(int16_t) | |
1739 | } | |
1740 | #ifdef CABAC_ON_STACK | |
1741 | h->cabac.range = cc.range ; | |
1742 | h->cabac.low = cc.low ; | |
1743 | h->cabac.bytestream= cc.bytestream; | |
1744 | #endif | |
1745 | ||
1746 | } | |
1747 | ||
1748 | static av_noinline void decode_cabac_residual_dc_internal(H264Context *h, | |
1749 | int16_t *block, | |
1750 | int cat, int n, | |
1751 | const uint8_t *scantable, | |
1752 | int max_coeff) | |
1753 | { | |
1754 | decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0); | |
1755 | } | |
1756 | ||
1757 | static av_noinline void decode_cabac_residual_dc_internal_422(H264Context *h, | |
1758 | int16_t *block, | |
1759 | int cat, int n, | |
1760 | const uint8_t *scantable, | |
1761 | int max_coeff) | |
1762 | { | |
1763 | decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1); | |
1764 | } | |
1765 | ||
1766 | static av_noinline void decode_cabac_residual_nondc_internal(H264Context *h, | |
1767 | int16_t *block, | |
1768 | int cat, int n, | |
1769 | const uint8_t *scantable, | |
1770 | const uint32_t *qmul, | |
1771 | int max_coeff) | |
1772 | { | |
1773 | decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0); | |
1774 | } | |
1775 | ||
1776 | /* cat: 0-> DC 16x16 n = 0 | |
1777 | * 1-> AC 16x16 n = luma4x4idx | |
1778 | * 2-> Luma4x4 n = luma4x4idx | |
1779 | * 3-> DC Chroma n = iCbCr | |
1780 | * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx | |
1781 | * 5-> Luma8x8 n = 4 * luma8x8idx */ | |
1782 | ||
1783 | /* Partially inline the CABAC residual decode: inline the coded block flag. | |
1784 | * This has very little impact on binary size and improves performance | |
1785 | * because it allows improved constant propagation into get_cabac_cbf_ctx, | |
1786 | * as well as because most blocks have zero CBFs. */ | |
1787 | ||
1788 | static av_always_inline void decode_cabac_residual_dc(H264Context *h, | |
1789 | int16_t *block, | |
1790 | int cat, int n, | |
1791 | const uint8_t *scantable, | |
1792 | int max_coeff) | |
1793 | { | |
1794 | /* read coded block flag */ | |
1795 | if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) { | |
1796 | h->non_zero_count_cache[scan8[n]] = 0; | |
1797 | return; | |
1798 | } | |
1799 | decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff ); | |
1800 | } | |
1801 | ||
1802 | static av_always_inline void | |
1803 | decode_cabac_residual_dc_422(H264Context *h, int16_t *block, | |
1804 | int cat, int n, const uint8_t *scantable, | |
1805 | int max_coeff) | |
1806 | { | |
1807 | /* read coded block flag */ | |
1808 | if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) { | |
1809 | h->non_zero_count_cache[scan8[n]] = 0; | |
1810 | return; | |
1811 | } | |
1812 | decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff); | |
1813 | } | |
1814 | ||
1815 | static av_always_inline void decode_cabac_residual_nondc(H264Context *h, | |
1816 | int16_t *block, | |
1817 | int cat, int n, | |
1818 | const uint8_t *scantable, | |
1819 | const uint32_t *qmul, | |
1820 | int max_coeff) | |
1821 | { | |
1822 | /* read coded block flag */ | |
1823 | if( (cat != 5 || CHROMA444(h)) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) { | |
1824 | if( max_coeff == 64 ) { | |
1825 | fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1); | |
1826 | } else { | |
1827 | h->non_zero_count_cache[scan8[n]] = 0; | |
1828 | } | |
1829 | return; | |
1830 | } | |
1831 | decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff ); | |
1832 | } | |
1833 | ||
1834 | static av_always_inline void decode_cabac_luma_residual( H264Context *h, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p ) | |
1835 | { | |
1836 | static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}}; | |
1837 | const uint32_t *qmul; | |
1838 | int i8x8, i4x4; | |
1839 | int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1]; | |
1840 | if( IS_INTRA16x16( mb_type ) ) { | |
1841 | AV_ZERO128(h->mb_luma_dc[p]+0); | |
1842 | AV_ZERO128(h->mb_luma_dc[p]+8); | |
1843 | AV_ZERO128(h->mb_luma_dc[p]+16); | |
1844 | AV_ZERO128(h->mb_luma_dc[p]+24); | |
1845 | decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16); | |
1846 | ||
1847 | if( cbp&15 ) { | |
1848 | qmul = h->dequant4_coeff[p][qscale]; | |
1849 | for( i4x4 = 0; i4x4 < 16; i4x4++ ) { | |
1850 | const int index = 16*p + i4x4; | |
1851 | decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15); | |
1852 | } | |
1853 | } else { | |
1854 | fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1); | |
1855 | } | |
1856 | } else { | |
1857 | int cqm = (IS_INTRA( mb_type ) ? 0:3) + p; | |
1858 | for( i8x8 = 0; i8x8 < 4; i8x8++ ) { | |
1859 | if( cbp & (1<<i8x8) ) { | |
1860 | if( IS_8x8DCT(mb_type) ) { | |
1861 | const int index = 16*p + 4*i8x8; | |
1862 | decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index, | |
1863 | scan8x8, h->dequant8_coeff[cqm][qscale], 64); | |
1864 | } else { | |
1865 | qmul = h->dequant4_coeff[cqm][qscale]; | |
1866 | for( i4x4 = 0; i4x4 < 4; i4x4++ ) { | |
1867 | const int index = 16*p + 4*i8x8 + i4x4; | |
1868 | //START_TIMER | |
1869 | decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16); | |
1870 | //STOP_TIMER("decode_residual") | |
1871 | } | |
1872 | } | |
1873 | } else { | |
1874 | fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1); | |
1875 | } | |
1876 | } | |
1877 | } | |
1878 | } | |
1879 | ||
1880 | /** | |
1881 | * Decode a macroblock. | |
1882 | * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed | |
1883 | */ | |
1884 | int ff_h264_decode_mb_cabac(H264Context *h) { | |
1885 | int mb_xy; | |
1886 | int mb_type, partition_count, cbp = 0; | |
1887 | int dct8x8_allowed= h->pps.transform_8x8_mode; | |
1888 | int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2; | |
1889 | const int pixel_shift = h->pixel_shift; | |
1890 | unsigned local_ref_count[2]; | |
1891 | ||
1892 | mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride; | |
1893 | ||
1894 | tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y); | |
1895 | if( h->slice_type_nos != AV_PICTURE_TYPE_I ) { | |
1896 | int skip; | |
1897 | /* a skipped mb needs the aff flag from the following mb */ | |
1898 | if (FRAME_MBAFF(h) && (h->mb_y & 1) == 1 && h->prev_mb_skipped) | |
1899 | skip = h->next_mb_skipped; | |
1900 | else | |
1901 | skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y ); | |
1902 | /* read skip flags */ | |
1903 | if( skip ) { | |
1904 | if (FRAME_MBAFF(h) && (h->mb_y & 1) == 0) { | |
1905 | h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP; | |
1906 | h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 ); | |
1907 | if(!h->next_mb_skipped) | |
1908 | h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); | |
1909 | } | |
1910 | ||
1911 | decode_mb_skip(h); | |
1912 | ||
1913 | h->cbp_table[mb_xy] = 0; | |
1914 | h->chroma_pred_mode_table[mb_xy] = 0; | |
1915 | h->last_qscale_diff = 0; | |
1916 | ||
1917 | return 0; | |
1918 | ||
1919 | } | |
1920 | } | |
1921 | if (FRAME_MBAFF(h)) { | |
1922 | if( (h->mb_y&1) == 0 ) | |
1923 | h->mb_mbaff = | |
1924 | h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); | |
1925 | } | |
1926 | ||
1927 | h->prev_mb_skipped = 0; | |
1928 | ||
1929 | fill_decode_neighbors(h, -(MB_FIELD(h))); | |
1930 | ||
1931 | if( h->slice_type_nos == AV_PICTURE_TYPE_B ) { | |
1932 | int ctx = 0; | |
1933 | av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_B); | |
1934 | ||
1935 | if( !IS_DIRECT( h->left_type[LTOP]-1 ) ) | |
1936 | ctx++; | |
1937 | if( !IS_DIRECT( h->top_type-1 ) ) | |
1938 | ctx++; | |
1939 | ||
1940 | if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){ | |
1941 | mb_type= 0; /* B_Direct_16x16 */ | |
1942 | }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) { | |
1943 | mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */ | |
1944 | }else{ | |
1945 | int bits; | |
1946 | bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3; | |
1947 | bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2; | |
1948 | bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1; | |
1949 | bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); | |
1950 | if( bits < 8 ){ | |
1951 | mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */ | |
1952 | }else if( bits == 13 ){ | |
1953 | mb_type= decode_cabac_intra_mb_type(h, 32, 0); | |
1954 | goto decode_intra_mb; | |
1955 | }else if( bits == 14 ){ | |
1956 | mb_type= 11; /* B_L1_L0_8x16 */ | |
1957 | }else if( bits == 15 ){ | |
1958 | mb_type= 22; /* B_8x8 */ | |
1959 | }else{ | |
1960 | bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); | |
1961 | mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */ | |
1962 | } | |
1963 | } | |
1964 | partition_count= b_mb_type_info[mb_type].partition_count; | |
1965 | mb_type= b_mb_type_info[mb_type].type; | |
1966 | } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) { | |
1967 | if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) { | |
1968 | /* P-type */ | |
1969 | if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) { | |
1970 | /* P_L0_D16x16, P_8x8 */ | |
1971 | mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] ); | |
1972 | } else { | |
1973 | /* P_L0_D8x16, P_L0_D16x8 */ | |
1974 | mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] ); | |
1975 | } | |
1976 | partition_count= p_mb_type_info[mb_type].partition_count; | |
1977 | mb_type= p_mb_type_info[mb_type].type; | |
1978 | } else { | |
1979 | mb_type= decode_cabac_intra_mb_type(h, 17, 0); | |
1980 | goto decode_intra_mb; | |
1981 | } | |
1982 | } else { | |
1983 | mb_type= decode_cabac_intra_mb_type(h, 3, 1); | |
1984 | if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type) | |
1985 | mb_type--; | |
1986 | av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_I); | |
1987 | decode_intra_mb: | |
1988 | partition_count = 0; | |
1989 | cbp= i_mb_type_info[mb_type].cbp; | |
1990 | h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode; | |
1991 | mb_type= i_mb_type_info[mb_type].type; | |
1992 | } | |
1993 | if(MB_FIELD(h)) | |
1994 | mb_type |= MB_TYPE_INTERLACED; | |
1995 | ||
1996 | h->slice_table[ mb_xy ]= h->slice_num; | |
1997 | ||
1998 | if(IS_INTRA_PCM(mb_type)) { | |
1999 | const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] * | |
2000 | h->sps.bit_depth_luma >> 3; | |
2001 | const uint8_t *ptr; | |
2002 | ||
2003 | // We assume these blocks are very rare so we do not optimize it. | |
2004 | // FIXME The two following lines get the bitstream position in the cabac | |
2005 | // decode, I think it should be done by a function in cabac.h (or cabac.c). | |
2006 | ptr= h->cabac.bytestream; | |
2007 | if(h->cabac.low&0x1) ptr--; | |
2008 | if(CABAC_BITS==16){ | |
2009 | if(h->cabac.low&0x1FF) ptr--; | |
2010 | } | |
2011 | ||
2012 | // The pixels are stored in the same order as levels in h->mb array. | |
2013 | if ((int) (h->cabac.bytestream_end - ptr) < mb_size) | |
2014 | return -1; | |
2015 | h->intra_pcm_ptr = ptr; | |
2016 | ptr += mb_size; | |
2017 | ||
2018 | ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr); | |
2019 | ||
2020 | // All blocks are present | |
2021 | h->cbp_table[mb_xy] = 0xf7ef; | |
2022 | h->chroma_pred_mode_table[mb_xy] = 0; | |
2023 | // In deblocking, the quantizer is 0 | |
2024 | h->cur_pic.qscale_table[mb_xy] = 0; | |
2025 | // All coeffs are present | |
2026 | memset(h->non_zero_count[mb_xy], 16, 48); | |
2027 | h->cur_pic.mb_type[mb_xy] = mb_type; | |
2028 | h->last_qscale_diff = 0; | |
2029 | return 0; | |
2030 | } | |
2031 | ||
2032 | local_ref_count[0] = h->ref_count[0] << MB_MBAFF(h); | |
2033 | local_ref_count[1] = h->ref_count[1] << MB_MBAFF(h); | |
2034 | ||
2035 | fill_decode_caches(h, mb_type); | |
2036 | ||
2037 | if( IS_INTRA( mb_type ) ) { | |
2038 | int i, pred_mode; | |
2039 | if( IS_INTRA4x4( mb_type ) ) { | |
2040 | if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) { | |
2041 | mb_type |= MB_TYPE_8x8DCT; | |
2042 | for( i = 0; i < 16; i+=4 ) { | |
2043 | int pred = pred_intra_mode( h, i ); | |
2044 | int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred ); | |
2045 | fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 ); | |
2046 | } | |
2047 | } else { | |
2048 | for( i = 0; i < 16; i++ ) { | |
2049 | int pred = pred_intra_mode( h, i ); | |
2050 | h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred ); | |
2051 | ||
2052 | av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred, | |
2053 | h->intra4x4_pred_mode_cache[scan8[i]]); | |
2054 | } | |
2055 | } | |
2056 | write_back_intra_pred_mode(h); | |
2057 | if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1; | |
2058 | } else { | |
2059 | h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 ); | |
2060 | if( h->intra16x16_pred_mode < 0 ) return -1; | |
2061 | } | |
2062 | if(decode_chroma){ | |
2063 | h->chroma_pred_mode_table[mb_xy] = | |
2064 | pred_mode = decode_cabac_mb_chroma_pre_mode( h ); | |
2065 | ||
2066 | pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 ); | |
2067 | if( pred_mode < 0 ) return -1; | |
2068 | h->chroma_pred_mode= pred_mode; | |
2069 | } else { | |
2070 | h->chroma_pred_mode= DC_128_PRED8x8; | |
2071 | } | |
2072 | } else if( partition_count == 4 ) { | |
2073 | int i, j, sub_partition_count[4], list, ref[2][4]; | |
2074 | ||
2075 | if( h->slice_type_nos == AV_PICTURE_TYPE_B ) { | |
2076 | for( i = 0; i < 4; i++ ) { | |
2077 | h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h ); | |
2078 | sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; | |
2079 | h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type; | |
2080 | } | |
2081 | if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] | | |
2082 | h->sub_mb_type[2] | h->sub_mb_type[3]) ) { | |
2083 | ff_h264_pred_direct_motion(h, &mb_type); | |
2084 | h->ref_cache[0][scan8[4]] = | |
2085 | h->ref_cache[1][scan8[4]] = | |
2086 | h->ref_cache[0][scan8[12]] = | |
2087 | h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; | |
2088 | for( i = 0; i < 4; i++ ) | |
2089 | fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 ); | |
2090 | } | |
2091 | } else { | |
2092 | for( i = 0; i < 4; i++ ) { | |
2093 | h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h ); | |
2094 | sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; | |
2095 | h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type; | |
2096 | } | |
2097 | } | |
2098 | ||
2099 | for( list = 0; list < h->list_count; list++ ) { | |
2100 | for( i = 0; i < 4; i++ ) { | |
2101 | if(IS_DIRECT(h->sub_mb_type[i])) continue; | |
2102 | if(IS_DIR(h->sub_mb_type[i], 0, list)){ | |
2103 | if (local_ref_count[list] > 1) { | |
2104 | ref[list][i] = decode_cabac_mb_ref( h, list, 4*i ); | |
2105 | if (ref[list][i] >= (unsigned)local_ref_count[list]) { | |
2106 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], local_ref_count[list]); | |
2107 | return -1; | |
2108 | } | |
2109 | }else | |
2110 | ref[list][i] = 0; | |
2111 | } else { | |
2112 | ref[list][i] = -1; | |
2113 | } | |
2114 | h->ref_cache[list][ scan8[4*i]+1 ]= | |
2115 | h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; | |
2116 | } | |
2117 | } | |
2118 | ||
2119 | if(dct8x8_allowed) | |
2120 | dct8x8_allowed = get_dct8x8_allowed(h); | |
2121 | ||
2122 | for(list=0; list<h->list_count; list++){ | |
2123 | for(i=0; i<4; i++){ | |
2124 | h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]; | |
2125 | if(IS_DIRECT(h->sub_mb_type[i])){ | |
2126 | fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2); | |
2127 | continue; | |
2128 | } | |
2129 | ||
2130 | if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){ | |
2131 | const int sub_mb_type= h->sub_mb_type[i]; | |
2132 | const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; | |
2133 | for(j=0; j<sub_partition_count[i]; j++){ | |
2134 | int mpx, mpy; | |
2135 | int mx, my; | |
2136 | const int index= 4*i + block_width*j; | |
2137 | int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ]; | |
2138 | uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ]; | |
2139 | pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my); | |
2140 | DECODE_CABAC_MB_MVD( h, list, index) | |
2141 | tprintf(h->avctx, "final mv:%d %d\n", mx, my); | |
2142 | ||
2143 | if(IS_SUB_8X8(sub_mb_type)){ | |
2144 | mv_cache[ 1 ][0]= | |
2145 | mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; | |
2146 | mv_cache[ 1 ][1]= | |
2147 | mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; | |
2148 | ||
2149 | mvd_cache[ 1 ][0]= | |
2150 | mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx; | |
2151 | mvd_cache[ 1 ][1]= | |
2152 | mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy; | |
2153 | }else if(IS_SUB_8X4(sub_mb_type)){ | |
2154 | mv_cache[ 1 ][0]= mx; | |
2155 | mv_cache[ 1 ][1]= my; | |
2156 | ||
2157 | mvd_cache[ 1 ][0]= mpx; | |
2158 | mvd_cache[ 1 ][1]= mpy; | |
2159 | }else if(IS_SUB_4X8(sub_mb_type)){ | |
2160 | mv_cache[ 8 ][0]= mx; | |
2161 | mv_cache[ 8 ][1]= my; | |
2162 | ||
2163 | mvd_cache[ 8 ][0]= mpx; | |
2164 | mvd_cache[ 8 ][1]= mpy; | |
2165 | } | |
2166 | mv_cache[ 0 ][0]= mx; | |
2167 | mv_cache[ 0 ][1]= my; | |
2168 | ||
2169 | mvd_cache[ 0 ][0]= mpx; | |
2170 | mvd_cache[ 0 ][1]= mpy; | |
2171 | } | |
2172 | }else{ | |
2173 | fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4); | |
2174 | fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2); | |
2175 | } | |
2176 | } | |
2177 | } | |
2178 | } else if( IS_DIRECT(mb_type) ) { | |
2179 | ff_h264_pred_direct_motion(h, &mb_type); | |
2180 | fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2); | |
2181 | fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2); | |
2182 | dct8x8_allowed &= h->sps.direct_8x8_inference_flag; | |
2183 | } else { | |
2184 | int list, i; | |
2185 | if(IS_16X16(mb_type)){ | |
2186 | for(list=0; list<h->list_count; list++){ | |
2187 | if(IS_DIR(mb_type, 0, list)){ | |
2188 | int ref; | |
2189 | if (local_ref_count[list] > 1) { | |
2190 | ref= decode_cabac_mb_ref(h, list, 0); | |
2191 | if (ref >= (unsigned)local_ref_count[list]) { | |
2192 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]); | |
2193 | return -1; | |
2194 | } | |
2195 | }else | |
2196 | ref=0; | |
2197 | fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1); | |
2198 | } | |
2199 | } | |
2200 | for(list=0; list<h->list_count; list++){ | |
2201 | if(IS_DIR(mb_type, 0, list)){ | |
2202 | int mx,my,mpx,mpy; | |
2203 | pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my); | |
2204 | DECODE_CABAC_MB_MVD( h, list, 0) | |
2205 | tprintf(h->avctx, "final mv:%d %d\n", mx, my); | |
2206 | ||
2207 | fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2); | |
2208 | fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4); | |
2209 | } | |
2210 | } | |
2211 | } | |
2212 | else if(IS_16X8(mb_type)){ | |
2213 | for(list=0; list<h->list_count; list++){ | |
2214 | for(i=0; i<2; i++){ | |
2215 | if(IS_DIR(mb_type, i, list)){ | |
2216 | int ref; | |
2217 | if (local_ref_count[list] > 1) { | |
2218 | ref= decode_cabac_mb_ref( h, list, 8*i ); | |
2219 | if (ref >= (unsigned)local_ref_count[list]) { | |
2220 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]); | |
2221 | return -1; | |
2222 | } | |
2223 | }else | |
2224 | ref=0; | |
2225 | fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1); | |
2226 | }else | |
2227 | fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1); | |
2228 | } | |
2229 | } | |
2230 | for(list=0; list<h->list_count; list++){ | |
2231 | for(i=0; i<2; i++){ | |
2232 | if(IS_DIR(mb_type, i, list)){ | |
2233 | int mx,my,mpx,mpy; | |
2234 | pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my); | |
2235 | DECODE_CABAC_MB_MVD( h, list, 8*i) | |
2236 | tprintf(h->avctx, "final mv:%d %d\n", mx, my); | |
2237 | ||
2238 | fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2); | |
2239 | fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4); | |
2240 | }else{ | |
2241 | fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2); | |
2242 | fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); | |
2243 | } | |
2244 | } | |
2245 | } | |
2246 | }else{ | |
2247 | av_assert2(IS_8X16(mb_type)); | |
2248 | for(list=0; list<h->list_count; list++){ | |
2249 | for(i=0; i<2; i++){ | |
2250 | if(IS_DIR(mb_type, i, list)){ //FIXME optimize | |
2251 | int ref; | |
2252 | if (local_ref_count[list] > 1) { | |
2253 | ref= decode_cabac_mb_ref( h, list, 4*i ); | |
2254 | if (ref >= (unsigned)local_ref_count[list]) { | |
2255 | av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]); | |
2256 | return -1; | |
2257 | } | |
2258 | }else | |
2259 | ref=0; | |
2260 | fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1); | |
2261 | }else | |
2262 | fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1); | |
2263 | } | |
2264 | } | |
2265 | for(list=0; list<h->list_count; list++){ | |
2266 | for(i=0; i<2; i++){ | |
2267 | if(IS_DIR(mb_type, i, list)){ | |
2268 | int mx,my,mpx,mpy; | |
2269 | pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my); | |
2270 | DECODE_CABAC_MB_MVD( h, list, 4*i) | |
2271 | ||
2272 | tprintf(h->avctx, "final mv:%d %d\n", mx, my); | |
2273 | fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2); | |
2274 | fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4); | |
2275 | }else{ | |
2276 | fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2); | |
2277 | fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); | |
2278 | } | |
2279 | } | |
2280 | } | |
2281 | } | |
2282 | } | |
2283 | ||
2284 | if( IS_INTER( mb_type ) ) { | |
2285 | h->chroma_pred_mode_table[mb_xy] = 0; | |
2286 | write_back_motion( h, mb_type ); | |
2287 | } | |
2288 | ||
2289 | if( !IS_INTRA16x16( mb_type ) ) { | |
2290 | cbp = decode_cabac_mb_cbp_luma( h ); | |
2291 | if(decode_chroma) | |
2292 | cbp |= decode_cabac_mb_cbp_chroma( h ) << 4; | |
2293 | } else { | |
2294 | if (!decode_chroma && cbp>15) { | |
2295 | av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n"); | |
2296 | return AVERROR_INVALIDDATA; | |
2297 | } | |
2298 | } | |
2299 | ||
2300 | h->cbp_table[mb_xy] = h->cbp = cbp; | |
2301 | ||
2302 | if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) { | |
2303 | mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ); | |
2304 | } | |
2305 | ||
2306 | /* It would be better to do this in fill_decode_caches, but we don't know | |
2307 | * the transform mode of the current macroblock there. */ | |
2308 | if (CHROMA444(h) && IS_8x8DCT(mb_type)){ | |
2309 | int i; | |
2310 | uint8_t *nnz_cache = h->non_zero_count_cache; | |
2311 | for (i = 0; i < 2; i++){ | |
2312 | if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){ | |
2313 | nnz_cache[3+8* 1 + 2*8*i]= | |
2314 | nnz_cache[3+8* 2 + 2*8*i]= | |
2315 | nnz_cache[3+8* 6 + 2*8*i]= | |
2316 | nnz_cache[3+8* 7 + 2*8*i]= | |
2317 | nnz_cache[3+8*11 + 2*8*i]= | |
2318 | nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0; | |
2319 | } | |
2320 | } | |
2321 | if (h->top_type && !IS_8x8DCT(h->top_type)){ | |
2322 | uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040; | |
2323 | AV_WN32A(&nnz_cache[4+8* 0], top_empty); | |
2324 | AV_WN32A(&nnz_cache[4+8* 5], top_empty); | |
2325 | AV_WN32A(&nnz_cache[4+8*10], top_empty); | |
2326 | } | |
2327 | } | |
2328 | h->cur_pic.mb_type[mb_xy] = mb_type; | |
2329 | ||
2330 | if( cbp || IS_INTRA16x16( mb_type ) ) { | |
2331 | const uint8_t *scan, *scan8x8; | |
2332 | const uint32_t *qmul; | |
2333 | ||
2334 | if(IS_INTERLACED(mb_type)){ | |
2335 | scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; | |
2336 | scan= h->qscale ? h->field_scan : h->field_scan_q0; | |
2337 | }else{ | |
2338 | scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; | |
2339 | scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0; | |
2340 | } | |
2341 | ||
2342 | // decode_cabac_mb_dqp | |
2343 | if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){ | |
2344 | int val = 1; | |
2345 | int ctx= 2; | |
2346 | const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8); | |
2347 | ||
2348 | while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) { | |
2349 | ctx= 3; | |
2350 | val++; | |
2351 | if(val > 2*max_qp){ //prevent infinite loop | |
2352 | av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y); | |
2353 | return -1; | |
2354 | } | |
2355 | } | |
2356 | ||
2357 | if( val&0x01 ) | |
2358 | val= (val + 1)>>1 ; | |
2359 | else | |
2360 | val= -((val + 1)>>1); | |
2361 | h->last_qscale_diff = val; | |
2362 | h->qscale += val; | |
2363 | if(((unsigned)h->qscale) > max_qp){ | |
2364 | if(h->qscale<0) h->qscale+= max_qp+1; | |
2365 | else h->qscale-= max_qp+1; | |
2366 | } | |
2367 | h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale); | |
2368 | h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale); | |
2369 | }else | |
2370 | h->last_qscale_diff=0; | |
2371 | ||
2372 | decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0); | |
2373 | if (CHROMA444(h)) { | |
2374 | decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1); | |
2375 | decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2); | |
2376 | } else if (CHROMA422(h)) { | |
2377 | if( cbp&0x30 ){ | |
2378 | int c; | |
2379 | for (c = 0; c < 2; c++) | |
2380 | decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, | |
2381 | CHROMA_DC_BLOCK_INDEX + c, | |
2382 | chroma422_dc_scan, 8); | |
2383 | } | |
2384 | ||
2385 | if( cbp&0x20 ) { | |
2386 | int c, i, i8x8; | |
2387 | for( c = 0; c < 2; c++ ) { | |
2388 | int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift); | |
2389 | qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]]; | |
2390 | for (i8x8 = 0; i8x8 < 2; i8x8++) { | |
2391 | for (i = 0; i < 4; i++) { | |
2392 | const int index = 16 + 16 * c + 8*i8x8 + i; | |
2393 | decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15); | |
2394 | mb += 16<<pixel_shift; | |
2395 | } | |
2396 | } | |
2397 | } | |
2398 | } else { | |
2399 | fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); | |
2400 | fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); | |
2401 | } | |
2402 | } else /* yuv420 */ { | |
2403 | if( cbp&0x30 ){ | |
2404 | int c; | |
2405 | for (c = 0; c < 2; c++) | |
2406 | decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4); | |
2407 | } | |
2408 | ||
2409 | if( cbp&0x20 ) { | |
2410 | int c, i; | |
2411 | for( c = 0; c < 2; c++ ) { | |
2412 | qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]]; | |
2413 | for( i = 0; i < 4; i++ ) { | |
2414 | const int index = 16 + 16 * c + i; | |
2415 | decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15); | |
2416 | } | |
2417 | } | |
2418 | } else { | |
2419 | fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); | |
2420 | fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); | |
2421 | } | |
2422 | } | |
2423 | } else { | |
2424 | fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1); | |
2425 | fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1); | |
2426 | fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1); | |
2427 | h->last_qscale_diff = 0; | |
2428 | } | |
2429 | ||
2430 | h->cur_pic.qscale_table[mb_xy] = h->qscale; | |
2431 | write_back_non_zero_count(h); | |
2432 | ||
2433 | return 0; | |
2434 | } |