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Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / libavcodec / h264_cabac.c
CommitLineData
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
f6fa7814 30#define INT_BIT (CHAR_BIT * sizeof(int))
2ba45a60
DM		 31
32#include "libavutil/attributes.h"
33#include "libavutil/avassert.h"
34#include "libavutil/timer.h"
35#include "config.h"
36#include "cabac.h"
37#include "cabac_functions.h"
38#include "internal.h"
39#include "avcodec.h"
40#include "h264.h"
41#include "h264data.h"
42#include "h264_mvpred.h"
43#include "golomb.h"
44#include "mpegutils.h"
45
46#if ARCH_X86
47#include "x86/h264_i386.h"
48#endif
49
50/* Cabac pre state table */
51
52static const int8_t cabac_context_init_I[1024][2] =
53{
54 /* 0 - 10 */
55 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
56 { 2, 54 }, { 3, 74 }, { -28,127 }, { -23, 104 },
57 { -6, 53 }, { -1, 54 }, { 7, 51 },
58
59 /* 11 - 23 unsused for I */
60 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
61 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
62 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
63 { 0, 0 },
64
65 /* 24- 39 */
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 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
70
71 /* 40 - 53 */
72 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
73 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
74 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
75 { 0, 0 }, { 0, 0 },
76
77 /* 54 - 59 */
78 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 },
79 { 0, 0 }, { 0, 0 },
80
81 /* 60 - 69 */
82 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
83 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
84 { 13, 41 }, { 3, 62 },
85
86 /* 70 -> 87 */
87 { 0, 11 }, { 1, 55 }, { 0, 69 }, { -17, 127 },
88 { -13, 102 },{ 0, 82 }, { -7, 74 }, { -21, 107 },
89 { -27, 127 },{ -31, 127 },{ -24, 127 }, { -18, 95 },
90 { -27, 127 },{ -21, 114 },{ -30, 127 }, { -17, 123 },
91 { -12, 115 },{ -16, 122 },
92
93 /* 88 -> 104 */
94 { -11, 115 },{ -12, 63 }, { -2, 68 }, { -15, 84 },
95 { -13, 104 },{ -3, 70 }, { -8, 93 }, { -10, 90 },
96 { -30, 127 },{ -1, 74 }, { -6, 97 }, { -7, 91 },
97 { -20, 127 },{ -4, 56 }, { -5, 82 }, { -7, 76 },
98 { -22, 125 },
99
100 /* 105 -> 135 */
101 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
102 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
103 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
104 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
105 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
106 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
107 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
108 { 14, 62 }, { -13, 108 },{ -15, 100 },
109
110 /* 136 -> 165 */
111 { -13, 101 },{ -13, 91 }, { -12, 94 }, { -10, 88 },
112 { -16, 84 }, { -10, 86 }, { -7, 83 }, { -13, 87 },
113 { -19, 94 }, { 1, 70 }, { 0, 72 }, { -5, 74 },
114 { 18, 59 }, { -8, 102 }, { -15, 100 }, { 0, 95 },
115 { -4, 75 }, { 2, 72 }, { -11, 75 }, { -3, 71 },
116 { 15, 46 }, { -13, 69 }, { 0, 62 }, { 0, 65 },
117 { 21, 37 }, { -15, 72 }, { 9, 57 }, { 16, 54 },
118 { 0, 62 }, { 12, 72 },
119
120 /* 166 -> 196 */
121 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
122 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
123 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
124 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
125 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
126 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
127 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
128 { 0, 89 }, { 26, -19 }, { 22, -17 },
129
130 /* 197 -> 226 */
131 { 26, -17 }, { 30, -25 }, { 28, -20 }, { 33, -23 },
132 { 37, -27 }, { 33, -23 }, { 40, -28 }, { 38, -17 },
133 { 33, -11 }, { 40, -15 }, { 41, -6 }, { 38, 1 },
134 { 41, 17 }, { 30, -6 }, { 27, 3 }, { 26, 22 },
135 { 37, -16 }, { 35, -4 }, { 38, -8 }, { 38, -3 },
136 { 37, 3 }, { 38, 5 }, { 42, 0 }, { 35, 16 },
137 { 39, 22 }, { 14, 48 }, { 27, 37 }, { 21, 60 },
138 { 12, 68 }, { 2, 97 },
139
140 /* 227 -> 251 */
141 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
142 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
143 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
144 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
145 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
146 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
147 { -4, 65 },
148
149 /* 252 -> 275 */
150 { -12, 73 }, { -8, 76 }, { -7, 80 }, { -9, 88 },
151 { -17, 110 },{ -11, 97 }, { -20, 84 }, { -11, 79 },
152 { -6, 73 }, { -4, 74 }, { -13, 86 }, { -13, 96 },
153 { -11, 97 }, { -19, 117 },{ -8, 78 }, { -5, 33 },
154 { -4, 48 }, { -2, 53 }, { -3, 62 }, { -13, 71 },
155 { -10, 79 }, { -12, 86 }, { -13, 90 }, { -14, 97 },
156
157 /* 276 a bit special (not used, bypass is used instead) */
158 { 0, 0 },
159
160 /* 277 -> 307 */
161 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
162 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
163 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
164 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
165 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
166 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
167 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
168 { 9, 64 }, { -12, 104 },{ -11, 97 },
169
170 /* 308 -> 337 */
171 { -16, 96 }, { -7, 88 }, { -8, 85 }, { -7, 85 },
172 { -9, 85 }, { -13, 88 }, { 4, 66 }, { -3, 77 },
173 { -3, 76 }, { -6, 76 }, { 10, 58 }, { -1, 76 },
174 { -1, 83 }, { -7, 99 }, { -14, 95 }, { 2, 95 },
175 { 0, 76 }, { -5, 74 }, { 0, 70 }, { -11, 75 },
176 { 1, 68 }, { 0, 65 }, { -14, 73 }, { 3, 62 },
177 { 4, 62 }, { -1, 68 }, { -13, 75 }, { 11, 55 },
178 { 5, 64 }, { 12, 70 },
179
180 /* 338 -> 368 */
181 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
182 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
183 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
184 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
185 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
186 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
187 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
188 { -12, 109 },{ 36, -35 }, { 36, -34 },
189
190 /* 369 -> 398 */
191 { 32, -26 }, { 37, -30 }, { 44, -32 }, { 34, -18 },
192 { 34, -15 }, { 40, -15 }, { 33, -7 }, { 35, -5 },
193 { 33, 0 }, { 38, 2 }, { 33, 13 }, { 23, 35 },
194 { 13, 58 }, { 29, -3 }, { 26, 0 }, { 22, 30 },
195 { 31, -7 }, { 35, -15 }, { 34, -3 }, { 34, 3 },
196 { 36, -1 }, { 34, 5 }, { 32, 11 }, { 35, 5 },
197 { 34, 12 }, { 39, 11 }, { 30, 29 }, { 34, 26 },
198 { 29, 39 }, { 19, 66 },
199
200 /* 399 -> 435 */
201 { 31, 21 }, { 31, 31 }, { 25, 50 },
202 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
203 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
204 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
205 { -23, 68 }, { -24, 50 }, { -11, 74 }, { 23, -13 },
206 { 26, -13 }, { 40, -15 }, { 49, -14 }, { 44, 3 },
207 { 45, 6 }, { 44, 34 }, { 33, 54 }, { 19, 82 },
208 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
209 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
210 { 0, 68 }, { -9, 92 },
211
212 /* 436 -> 459 */
213 { -14, 106 }, { -13, 97 }, { -15, 90 }, { -12, 90 },
214 { -18, 88 }, { -10, 73 }, { -9, 79 }, { -14, 86 },
215 { -10, 73 }, { -10, 70 }, { -10, 69 }, { -5, 66 },
216 { -9, 64 }, { -5, 58 }, { 2, 59 }, { 21, -10 },
217 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
218 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
219
220 /* 460 -> 1024 */
221 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
222 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
223 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
224 { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },
225 { -12, 63 }, { -2, 68 }, { -15, 84 }, { -13, 104 },
226 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
227 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
228 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
229 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
230 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
231 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
232 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
233 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
234 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
235 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
236 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
237 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
238 { -7, 93 }, { -11, 87 }, { -3, 77 }, { -5, 71 },
239 { -4, 63 }, { -4, 68 }, { -12, 84 }, { -7, 62 },
240 { -7, 65 }, { 8, 61 }, { 5, 56 }, { -2, 66 },
241 { 1, 64 }, { 0, 61 }, { -2, 78 }, { 1, 50 },
242 { 7, 52 }, { 10, 35 }, { 0, 44 }, { 11, 38 },
243 { 1, 45 }, { 0, 46 }, { 5, 44 }, { 31, 17 },
244 { 1, 51 }, { 7, 50 }, { 28, 19 }, { 16, 33 },
245 { 14, 62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },
246 { -13, 91 }, { -12, 94 }, { -10, 88 }, { -16, 84 },
247 { -10, 86 }, { -7, 83 }, { -13, 87 }, { -19, 94 },
248 { 1, 70 }, { 0, 72 }, { -5, 74 }, { 18, 59 },
249 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
250 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
251 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
252 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
253 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
254 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
255 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
256 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
257 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
258 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
259 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
260 { 24, 0 }, { 15, 9 }, { 8, 25 }, { 13, 18 },
261 { 15, 9 }, { 13, 19 }, { 10, 37 }, { 12, 18 },
262 { 6, 29 }, { 20, 33 }, { 15, 30 }, { 4, 45 },
263 { 1, 58 }, { 0, 62 }, { 7, 61 }, { 12, 38 },
264 { 11, 45 }, { 15, 39 }, { 11, 42 }, { 13, 44 },
265 { 16, 45 }, { 12, 41 }, { 10, 49 }, { 30, 34 },
266 { 18, 42 }, { 10, 55 }, { 17, 51 }, { 17, 46 },
267 { 0, 89 }, { 26, -19 }, { 22, -17 }, { 26, -17 },
268 { 30, -25 }, { 28, -20 }, { 33, -23 }, { 37, -27 },
269 { 33, -23 }, { 40, -28 }, { 38, -17 }, { 33, -11 },
270 { 40, -15 }, { 41, -6 }, { 38, 1 }, { 41, 17 },
271 { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11, 85 },
272 { -15, 92 }, { -14, 89 }, { -26, 71 }, { -15, 81 },
273 { -14, 80 }, { 0, 68 }, { -14, 70 }, { -24, 56 },
274 { -23, 68 }, { -24, 50 }, { -11, 74 }, { -14, 106 },
275 { -13, 97 }, { -15, 90 }, { -12, 90 }, { -18, 88 },
276 { -10, 73 }, { -9, 79 }, { -14, 86 }, { -10, 73 },
277 { -10, 70 }, { -10, 69 }, { -5, 66 }, { -9, 64 },
278 { -5, 58 }, { 2, 59 }, { 23, -13 }, { 26, -13 },
279 { 40, -15 }, { 49, -14 }, { 44, 3 }, { 45, 6 },
280 { 44, 34 }, { 33, 54 }, { 19, 82 }, { 21, -10 },
281 { 24, -11 }, { 28, -8 }, { 28, -1 }, { 29, 3 },
282 { 29, 9 }, { 35, 20 }, { 29, 36 }, { 14, 67 },
283 { -3, 75 }, { -1, 23 }, { 1, 34 }, { 1, 43 },
284 { 0, 54 }, { -2, 55 }, { 0, 61 }, { 1, 64 },
285 { 0, 68 }, { -9, 92 }, { -17, 120 }, { -20, 112 },
286 { -18, 114 }, { -11, 85 }, { -15, 92 }, { -14, 89 },
287 { -26, 71 }, { -15, 81 }, { -14, 80 }, { 0, 68 },
288 { -14, 70 }, { -24, 56 }, { -23, 68 }, { -24, 50 },
289 { -11, 74 }, { -14, 106 }, { -13, 97 }, { -15, 90 },
290 { -12, 90 }, { -18, 88 }, { -10, 73 }, { -9, 79 },
291 { -14, 86 }, { -10, 73 }, { -10, 70 }, { -10, 69 },
292 { -5, 66 }, { -9, 64 }, { -5, 58 }, { 2, 59 },
293 { 23, -13 }, { 26, -13 }, { 40, -15 }, { 49, -14 },
294 { 44, 3 }, { 45, 6 }, { 44, 34 }, { 33, 54 },
295 { 19, 82 }, { 21, -10 }, { 24, -11 }, { 28, -8 },
296 { 28, -1 }, { 29, 3 }, { 29, 9 }, { 35, 20 },
297 { 29, 36 }, { 14, 67 }, { -3, 75 }, { -1, 23 },
298 { 1, 34 }, { 1, 43 }, { 0, 54 }, { -2, 55 },
299 { 0, 61 }, { 1, 64 }, { 0, 68 }, { -9, 92 },
300 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
301 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
302 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
303 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
304 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
305 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
306 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
307 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
308 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
309 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
310 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
311 { -6, 93 }, { -6, 84 }, { -8, 79 }, { 0, 66 },
312 { -1, 71 }, { 0, 62 }, { -2, 60 }, { -2, 59 },
313 { -5, 75 }, { -3, 62 }, { -4, 58 }, { -9, 66 },
314 { -1, 79 }, { 0, 71 }, { 3, 68 }, { 10, 44 },
315 { -7, 62 }, { 15, 36 }, { 14, 40 }, { 16, 27 },
316 { 12, 29 }, { 1, 44 }, { 20, 36 }, { 18, 32 },
317 { 5, 42 }, { 1, 48 }, { 10, 62 }, { 17, 46 },
318 { 9, 64 }, { -12, 104 }, { -11, 97 }, { -16, 96 },
319 { -7, 88 }, { -8, 85 }, { -7, 85 }, { -9, 85 },
320 { -13, 88 }, { 4, 66 }, { -3, 77 }, { -3, 76 },
321 { -6, 76 }, { 10, 58 }, { -1, 76 }, { -1, 83 },
322 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
323 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
324 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
325 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
326 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
327 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
328 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
329 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
330 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
331 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
332 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
333 { 15, 6 }, { 6, 19 }, { 7, 16 }, { 12, 14 },
334 { 18, 13 }, { 13, 11 }, { 13, 15 }, { 15, 16 },
335 { 12, 23 }, { 13, 23 }, { 15, 20 }, { 14, 26 },
336 { 14, 44 }, { 17, 40 }, { 17, 47 }, { 24, 17 },
337 { 21, 21 }, { 25, 22 }, { 31, 27 }, { 22, 29 },
338 { 19, 35 }, { 14, 50 }, { 10, 57 }, { 7, 63 },
339 { -2, 77 }, { -4, 82 }, { -3, 94 }, { 9, 69 },
340 { -12, 109 }, { 36, -35 }, { 36, -34 }, { 32, -26 },
341 { 37, -30 }, { 44, -32 }, { 34, -18 }, { 34, -15 },
342 { 40, -15 }, { 33, -7 }, { 35, -5 }, { 33, 0 },
343 { 38, 2 }, { 33, 13 }, { 23, 35 }, { 13, 58 },
344 { -3, 71 }, { -6, 42 }, { -5, 50 }, { -3, 54 },
345 { -2, 62 }, { 0, 58 }, { 1, 63 }, { -2, 72 },
346 { -1, 74 }, { -9, 91 }, { -5, 67 }, { -5, 27 },
347 { -3, 39 }, { -2, 44 }, { 0, 46 }, { -16, 64 },
348 { -8, 68 }, { -10, 78 }, { -6, 77 }, { -10, 86 },
349 { -12, 92 }, { -15, 55 }, { -10, 60 }, { -6, 62 },
350 { -4, 65 }, { -12, 73 }, { -8, 76 }, { -7, 80 },
351 { -9, 88 }, { -17, 110 }, { -3, 71 }, { -6, 42 },
352 { -5, 50 }, { -3, 54 }, { -2, 62 }, { 0, 58 },
353 { 1, 63 }, { -2, 72 }, { -1, 74 }, { -9, 91 },
354 { -5, 67 }, { -5, 27 }, { -3, 39 }, { -2, 44 },
355 { 0, 46 }, { -16, 64 }, { -8, 68 }, { -10, 78 },
356 { -6, 77 }, { -10, 86 }, { -12, 92 }, { -15, 55 },
357 { -10, 60 }, { -6, 62 }, { -4, 65 }, { -12, 73 },
358 { -8, 76 }, { -7, 80 }, { -9, 88 }, { -17, 110 },
359 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
360 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 },
361 { -3, 70 }, { -8, 93 }, { -10, 90 }, { -30, 127 }
362};
363
364static const int8_t cabac_context_init_PB[3][1024][2] =
365{
366 /* i_cabac_init_idc == 0 */
367 {
368 /* 0 - 10 */
369 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
370 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
371 { -6, 53 }, { -1, 54 }, { 7, 51 },
372
373 /* 11 - 23 */
374 { 23, 33 }, { 23, 2 }, { 21, 0 }, { 1, 9 },
375 { 0, 49 }, { -37, 118 }, { 5, 57 }, { -13, 78 },
376 { -11, 65 }, { 1, 62 }, { 12, 49 }, { -4, 73 },
377 { 17, 50 },
378
379 /* 24 - 39 */
380 { 18, 64 }, { 9, 43 }, { 29, 0 }, { 26, 67 },
381 { 16, 90 }, { 9, 104 }, { -46, 127 }, { -20, 104 },
382 { 1, 67 }, { -13, 78 }, { -11, 65 }, { 1, 62 },
383 { -6, 86 }, { -17, 95 }, { -6, 61 }, { 9, 45 },
384
385 /* 40 - 53 */
386 { -3, 69 }, { -6, 81 }, { -11, 96 }, { 6, 55 },
387 { 7, 67 }, { -5, 86 }, { 2, 88 }, { 0, 58 },
388 { -3, 76 }, { -10, 94 }, { 5, 54 }, { 4, 69 },
389 { -3, 81 }, { 0, 88 },
390
391 /* 54 - 59 */
392 { -7, 67 }, { -5, 74 }, { -4, 74 }, { -5, 80 },
393 { -7, 72 }, { 1, 58 },
394
395 /* 60 - 69 */
396 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
397 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
398 { 13, 41 }, { 3, 62 },
399
400 /* 70 - 87 */
401 { 0, 45 }, { -4, 78 }, { -3, 96 }, { -27, 126 },
402 { -28, 98 }, { -25, 101 }, { -23, 67 }, { -28, 82 },
403 { -20, 94 }, { -16, 83 }, { -22, 110 }, { -21, 91 },
404 { -18, 102 }, { -13, 93 }, { -29, 127 }, { -7, 92 },
405 { -5, 89 }, { -7, 96 }, { -13, 108 }, { -3, 46 },
406 { -1, 65 }, { -1, 57 }, { -9, 93 }, { -3, 74 },
407 { -9, 92 }, { -8, 87 }, { -23, 126 }, { 5, 54 },
408 { 6, 60 }, { 6, 59 }, { 6, 69 }, { -1, 48 },
409 { 0, 68 }, { -4, 69 }, { -8, 88 },
410
411 /* 105 -> 165 */
412 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
413 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
414 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
415 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
416 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
417 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
418 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
419 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
420 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
421 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
422 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
423 { 3, 64 }, { 1, 61 }, { 9, 63 }, { 7, 50 },
424 { 16, 39 }, { 5, 44 }, { 4, 52 }, { 11, 48 },
425 { -5, 60 }, { -1, 59 }, { 0, 59 }, { 22, 33 },
426 { 5, 44 }, { 14, 43 }, { -1, 78 }, { 0, 60 },
427 { 9, 69 },
428
429 /* 166 - 226 */
430 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
431 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
432 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
433 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
434 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
435 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
436 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
437 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
438 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
439 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
440 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
441 { 1, 67 }, { 5, 59 }, { 9, 67 }, { 16, 30 },
442 { 18, 32 }, { 18, 35 }, { 22, 29 }, { 24, 31 },
443 { 23, 38 }, { 18, 43 }, { 20, 41 }, { 11, 63 },
444 { 9, 59 }, { 9, 64 }, { -1, 94 }, { -2, 89 },
445 { -9, 108 },
446
447 /* 227 - 275 */
448 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
449 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
450 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
451 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
452 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
453 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
454 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
455 { -3, 74 }, { -10, 90 }, { 0, 70 }, { -4, 29 },
456 { 5, 31 }, { 7, 42 }, { 1, 59 }, { -2, 58 },
457 { -3, 72 }, { -3, 81 }, { -11, 97 }, { 0, 58 },
458 { 8, 5 }, { 10, 14 }, { 14, 18 }, { 13, 27 },
459 { 2, 40 }, { 0, 58 }, { -3, 70 }, { -6, 79 },
460 { -8, 85 },
461
462 /* 276 a bit special (not used, bypass is used instead) */
463 { 0, 0 },
464
465 /* 277 - 337 */
466 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
467 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
468 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
469 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
470 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
471 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
472 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
473 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
474 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
475 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
476 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
477 { -2, 69 }, { -2, 59 }, { 6, 70 }, { 10, 44 },
478 { 9, 31 }, { 12, 43 }, { 3, 53 }, { 14, 34 },
479 { 10, 38 }, { -3, 52 }, { 13, 40 }, { 17, 32 },
480 { 7, 44 }, { 7, 38 }, { 13, 50 }, { 10, 57 },
481 { 26, 43 },
482
483 /* 338 - 398 */
484 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
485 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
486 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
487 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
488 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
489 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
490 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
491 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
492 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
493 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
494 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
495 { 8, 60 }, { 6, 63 }, { 17, 65 }, { 21, 24 },
496 { 23, 20 }, { 26, 23 }, { 27, 32 }, { 28, 23 },
497 { 28, 24 }, { 23, 40 }, { 24, 32 }, { 28, 29 },
498 { 23, 42 }, { 19, 57 }, { 22, 53 }, { 22, 61 },
499 { 11, 86 },
500
501 /* 399 - 435 */
502 { 12, 40 }, { 11, 51 }, { 14, 59 },
503 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
504 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
505 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
506 { -16, 66 }, { -22, 65 }, { -20, 63 }, { 9, -2 },
507 { 26, -9 }, { 33, -9 }, { 39, -7 }, { 41, -2 },
508 { 45, 3 }, { 49, 9 }, { 45, 27 }, { 36, 59 },
509 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
510 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
511 { -8, 66 }, { -8, 76 },
512
513 /* 436 - 459 */
514 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
515 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
516 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
517 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 21, -13 },
518 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
519 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
520
521 /* 460 - 1024 */
522 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
523 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
524 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
525 { -7, 92 }, { -5, 89 }, { -7, 96 }, { -13, 108 },
526 { -3, 46 }, { -1, 65 }, { -1, 57 }, { -9, 93 },
527 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
528 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
529 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
530 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
531 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
532 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
533 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
534 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
535 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
536 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
537 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
538 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
539 { -2, 85 }, { -6, 78 }, { -1, 75 }, { -7, 77 },
540 { 2, 54 }, { 5, 50 }, { -3, 68 }, { 1, 50 },
541 { 6, 42 }, { -4, 81 }, { 1, 63 }, { -4, 70 },
542 { 0, 67 }, { 2, 57 }, { -2, 76 }, { 11, 35 },
543 { 4, 64 }, { 1, 61 }, { 11, 35 }, { 18, 25 },
544 { 12, 24 }, { 13, 29 }, { 13, 36 }, { -10, 93 },
545 { -7, 73 }, { -2, 73 }, { 13, 46 }, { 9, 49 },
546 { -7, 100 }, { 9, 53 }, { 2, 53 }, { 5, 53 },
547 { -2, 61 }, { 0, 56 }, { 0, 56 }, { -13, 63 },
548 { -5, 60 }, { -1, 62 }, { 4, 57 }, { -6, 69 },
549 { 4, 57 }, { 14, 39 }, { 4, 51 }, { 13, 68 },
550 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
551 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
552 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
553 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
554 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
555 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
556 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
557 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
558 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
559 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
560 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
561 { 11, 28 }, { 2, 40 }, { 3, 44 }, { 0, 49 },
562 { 0, 46 }, { 2, 44 }, { 2, 51 }, { 0, 47 },
563 { 4, 39 }, { 2, 62 }, { 6, 46 }, { 0, 54 },
564 { 3, 54 }, { 2, 58 }, { 4, 63 }, { 6, 51 },
565 { 6, 57 }, { 7, 53 }, { 6, 52 }, { 6, 55 },
566 { 11, 45 }, { 14, 36 }, { 8, 53 }, { -1, 82 },
567 { 7, 55 }, { -3, 78 }, { 15, 46 }, { 22, 31 },
568 { -1, 84 }, { 25, 7 }, { 30, -7 }, { 28, 3 },
569 { 28, 4 }, { 32, 0 }, { 34, -1 }, { 30, 6 },
570 { 30, 6 }, { 32, 9 }, { 31, 19 }, { 26, 27 },
571 { 26, 30 }, { 37, 20 }, { 28, 34 }, { 17, 70 },
572 { -4, 79 }, { -7, 71 }, { -5, 69 }, { -9, 70 },
573 { -8, 66 }, { -10, 68 }, { -19, 73 }, { -12, 69 },
574 { -16, 70 }, { -15, 67 }, { -20, 62 }, { -19, 70 },
575 { -16, 66 }, { -22, 65 }, { -20, 63 }, { -5, 85 },
576 { -6, 81 }, { -10, 77 }, { -7, 81 }, { -17, 80 },
577 { -18, 73 }, { -4, 74 }, { -10, 83 }, { -9, 71 },
578 { -9, 67 }, { -1, 61 }, { -8, 66 }, { -14, 66 },
579 { 0, 59 }, { 2, 59 }, { 9, -2 }, { 26, -9 },
580 { 33, -9 }, { 39, -7 }, { 41, -2 }, { 45, 3 },
581 { 49, 9 }, { 45, 27 }, { 36, 59 }, { 21, -13 },
582 { 33, -14 }, { 39, -7 }, { 46, -2 }, { 51, 2 },
583 { 60, 6 }, { 61, 17 }, { 55, 34 }, { 42, 62 },
584 { -6, 66 }, { -7, 35 }, { -7, 42 }, { -8, 45 },
585 { -5, 48 }, { -12, 56 }, { -6, 60 }, { -5, 62 },
586 { -8, 66 }, { -8, 76 }, { -4, 79 }, { -7, 71 },
587 { -5, 69 }, { -9, 70 }, { -8, 66 }, { -10, 68 },
588 { -19, 73 }, { -12, 69 }, { -16, 70 }, { -15, 67 },
589 { -20, 62 }, { -19, 70 }, { -16, 66 }, { -22, 65 },
590 { -20, 63 }, { -5, 85 }, { -6, 81 }, { -10, 77 },
591 { -7, 81 }, { -17, 80 }, { -18, 73 }, { -4, 74 },
592 { -10, 83 }, { -9, 71 }, { -9, 67 }, { -1, 61 },
593 { -8, 66 }, { -14, 66 }, { 0, 59 }, { 2, 59 },
594 { 9, -2 }, { 26, -9 }, { 33, -9 }, { 39, -7 },
595 { 41, -2 }, { 45, 3 }, { 49, 9 }, { 45, 27 },
596 { 36, 59 }, { 21, -13 }, { 33, -14 }, { 39, -7 },
597 { 46, -2 }, { 51, 2 }, { 60, 6 }, { 61, 17 },
598 { 55, 34 }, { 42, 62 }, { -6, 66 }, { -7, 35 },
599 { -7, 42 }, { -8, 45 }, { -5, 48 }, { -12, 56 },
600 { -6, 60 }, { -5, 62 }, { -8, 66 }, { -8, 76 },
601 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
602 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
603 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
604 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
605 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
606 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
607 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
608 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
609 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
610 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
611 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
612 { -13, 106 }, { -16, 106 }, { -10, 87 }, { -21, 114 },
613 { -18, 110 }, { -14, 98 }, { -22, 110 }, { -21, 106 },
614 { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },
615 { -10, 96 }, { -12, 95 }, { -5, 91 }, { -9, 93 },
616 { -22, 94 }, { -5, 86 }, { 9, 67 }, { -4, 80 },
617 { -10, 85 }, { -1, 70 }, { 7, 60 }, { 9, 58 },
618 { 5, 61 }, { 12, 50 }, { 15, 50 }, { 18, 49 },
619 { 17, 54 }, { 10, 41 }, { 7, 46 }, { -1, 51 },
620 { 7, 49 }, { 8, 52 }, { 9, 41 }, { 6, 47 },
621 { 2, 55 }, { 13, 41 }, { 10, 44 }, { 6, 50 },
622 { 5, 53 }, { 13, 49 }, { 4, 63 }, { 6, 64 },
623 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
624 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
625 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
626 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
627 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
628 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
629 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
630 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
631 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
632 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
633 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
634 { 14, 11 }, { 11, 14 }, { 9, 11 }, { 18, 11 },
635 { 21, 9 }, { 23, -2 }, { 32, -15 }, { 32, -15 },
636 { 34, -21 }, { 39, -23 }, { 42, -33 }, { 41, -31 },
637 { 46, -28 }, { 38, -12 }, { 21, 29 }, { 45, -24 },
638 { 53, -45 }, { 48, -26 }, { 65, -43 }, { 43, -19 },
639 { 39, -10 }, { 30, 9 }, { 18, 26 }, { 20, 27 },
640 { 0, 57 }, { -14, 82 }, { -5, 75 }, { -19, 97 },
641 { -35, 125 }, { 27, 0 }, { 28, 0 }, { 31, -4 },
642 { 27, 6 }, { 34, 8 }, { 30, 10 }, { 24, 22 },
643 { 33, 19 }, { 22, 32 }, { 26, 31 }, { 21, 41 },
644 { 26, 44 }, { 23, 47 }, { 16, 65 }, { 14, 71 },
645 { -6, 76 }, { -2, 44 }, { 0, 45 }, { 0, 52 },
646 { -3, 64 }, { -2, 59 }, { -4, 70 }, { -4, 75 },
647 { -8, 82 }, { -17, 102 }, { -9, 77 }, { 3, 24 },
648 { 0, 42 }, { 0, 48 }, { 0, 55 }, { -6, 59 },
649 { -7, 71 }, { -12, 83 }, { -11, 87 }, { -30, 119 },
650 { 1, 58 }, { -3, 29 }, { -1, 36 }, { 1, 38 },
651 { 2, 43 }, { -6, 55 }, { 0, 58 }, { 0, 64 },
652 { -3, 74 }, { -10, 90 }, { -6, 76 }, { -2, 44 },
653 { 0, 45 }, { 0, 52 }, { -3, 64 }, { -2, 59 },
654 { -4, 70 }, { -4, 75 }, { -8, 82 }, { -17, 102 },
655 { -9, 77 }, { 3, 24 }, { 0, 42 }, { 0, 48 },
656 { 0, 55 }, { -6, 59 }, { -7, 71 }, { -12, 83 },
657 { -11, 87 }, { -30, 119 }, { 1, 58 }, { -3, 29 },
658 { -1, 36 }, { 1, 38 }, { 2, 43 }, { -6, 55 },
659 { 0, 58 }, { 0, 64 }, { -3, 74 }, { -10, 90 },
660 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
661 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 },
662 { -3, 74 }, { -9, 92 }, { -8, 87 }, { -23, 126 }
663 },
664
665 /* i_cabac_init_idc == 1 */
666 {
667 /* 0 - 10 */
668 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
669 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
670 { -6, 53 }, { -1, 54 }, { 7, 51 },
671
672 /* 11 - 23 */
673 { 22, 25 }, { 34, 0 }, { 16, 0 }, { -2, 9 },
674 { 4, 41 }, { -29, 118 }, { 2, 65 }, { -6, 71 },
675 { -13, 79 }, { 5, 52 }, { 9, 50 }, { -3, 70 },
676 { 10, 54 },
677
678 /* 24 - 39 */
679 { 26, 34 }, { 19, 22 }, { 40, 0 }, { 57, 2 },
680 { 41, 36 }, { 26, 69 }, { -45, 127 }, { -15, 101 },
681 { -4, 76 }, { -6, 71 }, { -13, 79 }, { 5, 52 },
682 { 6, 69 }, { -13, 90 }, { 0, 52 }, { 8, 43 },
683
684 /* 40 - 53 */
685 { -2, 69 },{ -5, 82 },{ -10, 96 },{ 2, 59 },
686 { 2, 75 },{ -3, 87 },{ -3, 100 },{ 1, 56 },
687 { -3, 74 },{ -6, 85 },{ 0, 59 },{ -3, 81 },
688 { -7, 86 },{ -5, 95 },
689
690 /* 54 - 59 */
691 { -1, 66 },{ -1, 77 },{ 1, 70 },{ -2, 86 },
692 { -5, 72 },{ 0, 61 },
693
694 /* 60 - 69 */
695 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
696 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
697 { 13, 41 }, { 3, 62 },
698
699 /* 70 - 104 */
700 { 13, 15 }, { 7, 51 }, { 2, 80 }, { -39, 127 },
701 { -18, 91 }, { -17, 96 }, { -26, 81 }, { -35, 98 },
702 { -24, 102 }, { -23, 97 }, { -27, 119 }, { -24, 99 },
703 { -21, 110 }, { -18, 102 }, { -36, 127 }, { 0, 80 },
704 { -5, 89 }, { -7, 94 }, { -4, 92 }, { 0, 39 },
705 { 0, 65 }, { -15, 84 }, { -35, 127 }, { -2, 73 },
706 { -12, 104 }, { -9, 91 }, { -31, 127 }, { 3, 55 },
707 { 7, 56 }, { 7, 55 }, { 8, 61 }, { -3, 53 },
708 { 0, 68 }, { -7, 74 }, { -9, 88 },
709
710 /* 105 -> 165 */
711 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
712 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
713 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
714 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
715 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
716 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
717 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
718 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
719 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
720 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
721 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
722 { -4, 71 }, { 0, 58 }, { 7, 61 }, { 9, 41 },
723 { 18, 25 }, { 9, 32 }, { 5, 43 }, { 9, 47 },
724 { 0, 44 }, { 0, 51 }, { 2, 46 }, { 19, 38 },
725 { -4, 66 }, { 15, 38 }, { 12, 42 }, { 9, 34 },
726 { 0, 89 },
727
728 /* 166 - 226 */
729 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
730 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
731 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
732 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
733 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
734 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
735 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
736 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
737 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
738 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
739 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
740 { 0, 75 }, { 2, 72 }, { 8, 77 }, { 14, 35 },
741 { 18, 31 }, { 17, 35 }, { 21, 30 }, { 17, 45 },
742 { 20, 42 }, { 18, 45 }, { 27, 26 }, { 16, 54 },
743 { 7, 66 }, { 16, 56 }, { 11, 73 }, { 10, 67 },
744 { -10, 116 },
745
746 /* 227 - 275 */
747 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
748 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
749 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
750 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
751 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
752 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
753 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
754 { -5, 74 }, { -9, 86 }, { 2, 66 }, { -9, 34 },
755 { 1, 32 }, { 11, 31 }, { 5, 52 }, { -2, 55 },
756 { -2, 67 }, { 0, 73 }, { -8, 89 }, { 3, 52 },
757 { 7, 4 }, { 10, 8 }, { 17, 8 }, { 16, 19 },
758 { 3, 37 }, { -1, 61 }, { -5, 73 }, { -1, 70 },
759 { -4, 78 },
760
761 /* 276 a bit special (not used, bypass is used instead) */
762 { 0, 0 },
763
764 /* 277 - 337 */
765 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
766 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
767 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
768 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
769 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
770 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
771 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
772 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
773 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
774 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
775 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
776 { -1, 70 }, { -9, 72 }, { 14, 60 }, { 16, 37 },
777 { 0, 47 }, { 18, 35 }, { 11, 37 }, { 12, 41 },
778 { 10, 41 }, { 2, 48 }, { 12, 41 }, { 13, 41 },
779 { 0, 59 }, { 3, 50 }, { 19, 40 }, { 3, 66 },
780 { 18, 50 },
781
782 /* 338 - 398 */
783 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
784 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
785 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
786 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
787 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
788 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
789 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
790 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
791 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
792 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
793 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
794 { 12, 48 }, { 11, 49 }, { 26, 45 }, { 22, 22 },
795 { 23, 22 }, { 27, 21 }, { 33, 20 }, { 26, 28 },
796 { 30, 24 }, { 27, 34 }, { 18, 42 }, { 25, 39 },
797 { 18, 50 }, { 12, 70 }, { 21, 54 }, { 14, 71 },
798 { 11, 83 },
799
800 /* 399 - 435 */
801 { 25, 32 }, { 21, 49 }, { 21, 54 },
802 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
803 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
804 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
805 { -14, 66 }, { 0, 59 }, { 2, 59 }, { 17, -10 },
806 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
807 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
808 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
809 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
810 { -4, 67 }, { -7, 82 },
811
812 /* 436 - 459 */
813 { -3, 81 }, { -3, 76 }, { -7, 72 }, { -6, 78 },
814 { -12, 72 }, { -14, 68 }, { -3, 70 }, { -6, 76 },
815 { -5, 66 }, { -5, 62 }, { 0, 57 }, { -4, 61 },
816 { -9, 60 }, { 1, 54 }, { 2, 58 }, { 17, -10 },
817 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
818 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
819
820 /* 460 - 1024 */
821 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
822 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
823 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
824 { 0, 80 }, { -5, 89 }, { -7, 94 }, { -4, 92 },
825 { 0, 39 }, { 0, 65 }, { -15, 84 }, { -35, 127 },
826 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
827 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
828 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
829 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
830 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
831 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
832 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
833 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
834 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
835 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
836 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
837 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
838 { -13, 103 }, { -13, 91 }, { -9, 89 }, { -14, 92 },
839 { -8, 76 }, { -12, 87 }, { -23, 110 }, { -24, 105 },
840 { -10, 78 }, { -20, 112 }, { -17, 99 }, { -78, 127 },
841 { -70, 127 }, { -50, 127 }, { -46, 127 }, { -4, 66 },
842 { -5, 78 }, { -4, 71 }, { -8, 72 }, { 2, 59 },
843 { -1, 55 }, { -7, 70 }, { -6, 75 }, { -8, 89 },
844 { -34, 119 }, { -3, 75 }, { 32, 20 }, { 30, 22 },
845 { -44, 127 }, { 0, 54 }, { -5, 61 }, { 0, 58 },
846 { -1, 60 }, { -3, 61 }, { -8, 67 }, { -25, 84 },
847 { -14, 74 }, { -5, 65 }, { 5, 52 }, { 2, 57 },
848 { 0, 61 }, { -9, 69 }, { -11, 70 }, { 18, 55 },
849 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
850 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
851 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
852 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
853 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
854 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
855 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
856 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
857 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
858 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
859 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
860 { 4, 45 }, { 10, 28 }, { 10, 31 }, { 33, -11 },
861 { 52, -43 }, { 18, 15 }, { 28, 0 }, { 35, -22 },
862 { 38, -25 }, { 34, 0 }, { 39, -18 }, { 32, -12 },
863 { 102, -94 }, { 0, 0 }, { 56, -15 }, { 33, -4 },
864 { 29, 10 }, { 37, -5 }, { 51, -29 }, { 39, -9 },
865 { 52, -34 }, { 69, -58 }, { 67, -63 }, { 44, -5 },
866 { 32, 7 }, { 55, -29 }, { 32, 1 }, { 0, 0 },
867 { 27, 36 }, { 33, -25 }, { 34, -30 }, { 36, -28 },
868 { 38, -28 }, { 38, -27 }, { 34, -18 }, { 35, -16 },
869 { 34, -14 }, { 32, -8 }, { 37, -6 }, { 35, 0 },
870 { 30, 10 }, { 28, 18 }, { 26, 25 }, { 29, 41 },
871 { -5, 85 }, { -6, 81 }, { -10, 77 }, { -7, 81 },
872 { -17, 80 }, { -18, 73 }, { -4, 74 }, { -10, 83 },
873 { -9, 71 }, { -9, 67 }, { -1, 61 }, { -8, 66 },
874 { -14, 66 }, { 0, 59 }, { 2, 59 }, { -3, 81 },
875 { -3, 76 }, { -7, 72 }, { -6, 78 }, { -12, 72 },
876 { -14, 68 }, { -3, 70 }, { -6, 76 }, { -5, 66 },
877 { -5, 62 }, { 0, 57 }, { -4, 61 }, { -9, 60 },
878 { 1, 54 }, { 2, 58 }, { 17, -10 }, { 32, -13 },
879 { 42, -9 }, { 49, -5 }, { 53, 0 }, { 64, 3 },
880 { 68, 10 }, { 66, 27 }, { 47, 57 }, { 17, -10 },
881 { 32, -13 }, { 42, -9 }, { 49, -5 }, { 53, 0 },
882 { 64, 3 }, { 68, 10 }, { 66, 27 }, { 47, 57 },
883 { -5, 71 }, { 0, 24 }, { -1, 36 }, { -2, 42 },
884 { -2, 52 }, { -9, 57 }, { -6, 63 }, { -4, 65 },
885 { -4, 67 }, { -7, 82 }, { -5, 85 }, { -6, 81 },
886 { -10, 77 }, { -7, 81 }, { -17, 80 }, { -18, 73 },
887 { -4, 74 }, { -10, 83 }, { -9, 71 }, { -9, 67 },
888 { -1, 61 }, { -8, 66 }, { -14, 66 }, { 0, 59 },
889 { 2, 59 }, { -3, 81 }, { -3, 76 }, { -7, 72 },
890 { -6, 78 }, { -12, 72 }, { -14, 68 }, { -3, 70 },
891 { -6, 76 }, { -5, 66 }, { -5, 62 }, { 0, 57 },
892 { -4, 61 }, { -9, 60 }, { 1, 54 }, { 2, 58 },
893 { 17, -10 }, { 32, -13 }, { 42, -9 }, { 49, -5 },
894 { 53, 0 }, { 64, 3 }, { 68, 10 }, { 66, 27 },
895 { 47, 57 }, { 17, -10 }, { 32, -13 }, { 42, -9 },
896 { 49, -5 }, { 53, 0 }, { 64, 3 }, { 68, 10 },
897 { 66, 27 }, { 47, 57 }, { -5, 71 }, { 0, 24 },
898 { -1, 36 }, { -2, 42 }, { -2, 52 }, { -9, 57 },
899 { -6, 63 }, { -4, 65 }, { -4, 67 }, { -7, 82 },
900 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
901 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
902 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
903 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
904 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
905 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
906 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
907 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
908 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
909 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
910 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
911 { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },
912 { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },
913 { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },
914 { -10, 95 }, { -14, 100 }, { -8, 95 }, { -17, 111 },
915 { -28, 114 }, { -6, 89 }, { -2, 80 }, { -4, 82 },
916 { -9, 85 }, { -8, 81 }, { -1, 72 }, { 5, 64 },
917 { 1, 67 }, { 9, 56 }, { 0, 69 }, { 1, 69 },
918 { 7, 69 }, { -7, 69 }, { -6, 67 }, { -16, 77 },
919 { -2, 64 }, { 2, 61 }, { -6, 67 }, { -3, 64 },
920 { 2, 57 }, { -3, 65 }, { -3, 66 }, { 0, 62 },
921 { 9, 51 }, { -1, 66 }, { -2, 71 }, { -2, 75 },
922 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
923 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
924 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
925 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
926 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
927 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
928 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
929 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
930 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
931 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
932 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
933 { 19, -6 }, { 18, -6 }, { 14, 0 }, { 26, -12 },
934 { 31, -16 }, { 33, -25 }, { 33, -22 }, { 37, -28 },
935 { 39, -30 }, { 42, -30 }, { 47, -42 }, { 45, -36 },
936 { 49, -34 }, { 41, -17 }, { 32, 9 }, { 69, -71 },
937 { 63, -63 }, { 66, -64 }, { 77, -74 }, { 54, -39 },
938 { 52, -35 }, { 41, -10 }, { 36, 0 }, { 40, -1 },
939 { 30, 14 }, { 28, 26 }, { 23, 37 }, { 12, 55 },
940 { 11, 65 }, { 37, -33 }, { 39, -36 }, { 40, -37 },
941 { 38, -30 }, { 46, -33 }, { 42, -30 }, { 40, -24 },
942 { 49, -29 }, { 38, -12 }, { 40, -10 }, { 38, -3 },
943 { 46, -5 }, { 31, 20 }, { 29, 30 }, { 25, 44 },
944 { -23, 112 }, { -15, 71 }, { -7, 61 }, { 0, 53 },
945 { -5, 66 }, { -11, 77 }, { -9, 80 }, { -9, 84 },
946 { -10, 87 }, { -34, 127 }, { -21, 101 }, { -3, 39 },
947 { -5, 53 }, { -7, 61 }, { -11, 75 }, { -15, 77 },
948 { -17, 91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },
949 { -11, 76 }, { -10, 44 }, { -10, 52 }, { -10, 57 },
950 { -9, 58 }, { -16, 72 }, { -7, 69 }, { -4, 69 },
951 { -5, 74 }, { -9, 86 }, { -23, 112 }, { -15, 71 },
952 { -7, 61 }, { 0, 53 }, { -5, 66 }, { -11, 77 },
953 { -9, 80 }, { -9, 84 }, { -10, 87 }, { -34, 127 },
954 { -21, 101 }, { -3, 39 }, { -5, 53 }, { -7, 61 },
955 { -11, 75 }, { -15, 77 }, { -17, 91 }, { -25, 107 },
956 { -25, 111 }, { -28, 122 }, { -11, 76 }, { -10, 44 },
957 { -10, 52 }, { -10, 57 }, { -9, 58 }, { -16, 72 },
958 { -7, 69 }, { -4, 69 }, { -5, 74 }, { -9, 86 },
959 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
960 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 },
961 { -2, 73 }, { -12, 104 }, { -9, 91 }, { -31, 127 }
962 },
963
964 /* i_cabac_init_idc == 2 */
965 {
966 /* 0 - 10 */
967 { 20, -15 }, { 2, 54 }, { 3, 74 }, { 20, -15 },
968 { 2, 54 }, { 3, 74 }, { -28, 127 }, { -23, 104 },
969 { -6, 53 }, { -1, 54 }, { 7, 51 },
970
971 /* 11 - 23 */
972 { 29, 16 }, { 25, 0 }, { 14, 0 }, { -10, 51 },
973 { -3, 62 }, { -27, 99 }, { 26, 16 }, { -4, 85 },
974 { -24, 102 }, { 5, 57 }, { 6, 57 }, { -17, 73 },
975 { 14, 57 },
976
977 /* 24 - 39 */
978 { 20, 40 }, { 20, 10 }, { 29, 0 }, { 54, 0 },
979 { 37, 42 }, { 12, 97 }, { -32, 127 }, { -22, 117 },
980 { -2, 74 }, { -4, 85 }, { -24, 102 }, { 5, 57 },
981 { -6, 93 }, { -14, 88 }, { -6, 44 }, { 4, 55 },
982
983 /* 40 - 53 */
984 { -11, 89 },{ -15, 103 },{ -21, 116 },{ 19, 57 },
985 { 20, 58 },{ 4, 84 },{ 6, 96 },{ 1, 63 },
986 { -5, 85 },{ -13, 106 },{ 5, 63 },{ 6, 75 },
987 { -3, 90 },{ -1, 101 },
988
989 /* 54 - 59 */
990 { 3, 55 },{ -4, 79 },{ -2, 75 },{ -12, 97 },
991 { -7, 50 },{ 1, 60 },
992
993 /* 60 - 69 */
994 { 0, 41 }, { 0, 63 }, { 0, 63 }, { 0, 63 },
995 { -9, 83 }, { 4, 86 }, { 0, 97 }, { -7, 72 },
996 { 13, 41 }, { 3, 62 },
997
998 /* 70 - 104 */
999 { 7, 34 }, { -9, 88 }, { -20, 127 }, { -36, 127 },
1000 { -17, 91 }, { -14, 95 }, { -25, 84 }, { -25, 86 },
1001 { -12, 89 }, { -17, 91 }, { -31, 127 }, { -14, 76 },
1002 { -18, 103 }, { -13, 90 }, { -37, 127 }, { 11, 80 },
1003 { 5, 76 }, { 2, 84 }, { 5, 78 }, { -6, 55 },
1004 { 4, 61 }, { -14, 83 }, { -37, 127 }, { -5, 79 },
1005 { -11, 104 }, { -11, 91 }, { -30, 127 }, { 0, 65 },
1006 { -2, 79 }, { 0, 72 }, { -4, 92 }, { -6, 56 },
1007 { 3, 68 }, { -8, 71 }, { -13, 98 },
1008
1009 /* 105 -> 165 */
1010 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1011 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1012 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1013 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1014 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1015 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1016 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1017 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1018 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1019 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1020 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1021 { 3, 65 }, { -7, 69 }, { 8, 77 }, { -10, 66 },
1022 { 3, 62 }, { -3, 68 }, { -20, 81 }, { 0, 30 },
1023 { 1, 7 }, { -3, 23 }, { -21, 74 }, { 16, 66 },
1024 { -23, 124 }, { 17, 37 }, { 44, -18 }, { 50, -34 },
1025 { -22, 127 },
1026
1027 /* 166 - 226 */
1028 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1029 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1030 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1031 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1032 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1033 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1034 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1035 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1036 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1037 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1038 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1039 { 20, 34 }, { 19, 31 }, { 27, 44 }, { 19, 16 },
1040 { 15, 36 }, { 15, 36 }, { 21, 28 }, { 25, 21 },
1041 { 30, 20 }, { 31, 12 }, { 27, 16 }, { 24, 42 },
1042 { 0, 93 }, { 14, 56 }, { 15, 57 }, { 26, 38 },
1043 { -24, 127 },
1044
1045 /* 227 - 275 */
1046 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1047 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1048 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1049 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1050 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1051 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1052 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1053 { -12, 92 }, { -18, 108 }, { -4, 79 }, { -22, 69 },
1054 { -16, 75 }, { -2, 58 }, { 1, 58 }, { -13, 78 },
1055 { -9, 83 }, { -4, 81 }, { -13, 99 }, { -13, 81 },
1056 { -6, 38 }, { -13, 62 }, { -6, 58 }, { -2, 59 },
1057 { -16, 73 }, { -10, 76 }, { -13, 86 }, { -9, 83 },
1058 { -10, 87 },
1059
1060 /* 276 a bit special (not used, bypass is used instead) */
1061 { 0, 0 },
1062
1063 /* 277 - 337 */
1064 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1065 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1066 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1067 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1068 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1069 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1070 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1071 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1072 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1073 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1074 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1075 { -2, 76 }, { -18, 86 }, { 12, 70 }, { 5, 64 },
1076 { -12, 70 }, { 11, 55 }, { 5, 56 }, { 0, 69 },
1077 { 2, 65 }, { -6, 74 }, { 5, 54 }, { 7, 54 },
1078 { -6, 76 }, { -11, 82 }, { -2, 77 }, { -2, 77 },
1079 { 25, 42 },
1080
1081 /* 338 - 398 */
1082 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1083 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1084 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1085 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1086 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1087 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1088 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1089 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1090 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1091 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1092 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1093 { 18, 31 }, { 19, 26 }, { 36, 24 }, { 24, 23 },
1094 { 27, 16 }, { 24, 30 }, { 31, 29 }, { 22, 41 },
1095 { 22, 42 }, { 16, 60 }, { 15, 52 }, { 14, 60 },
1096 { 3, 78 }, { -16, 123 }, { 21, 53 }, { 22, 56 },
1097 { 25, 61 },
1098
1099 /* 399 - 435 */
1100 { 21, 33 }, { 19, 50 }, { 17, 61 },
1101 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1102 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1103 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1104 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1105 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1106 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1107 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1108 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1109 { -6, 68 }, { -10, 79 },
1110
1111 /* 436 - 459 */
1112 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1113 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1114 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1115 { -14, 59 }, { -9, 52 }, { -11, 68 }, { 9, -2 },
1116 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1117 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1118
1119 /* 460 - 1024 */
1120 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1121 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1122 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1123 { 11, 80 }, { 5, 76 }, { 2, 84 }, { 5, 78 },
1124 { -6, 55 }, { 4, 61 }, { -14, 83 }, { -37, 127 },
1125 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1126 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1127 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1128 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1129 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1130 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1131 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1132 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1133 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1134 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1135 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1136 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1137 { -4, 86 }, { -12, 88 }, { -5, 82 }, { -3, 72 },
1138 { -4, 67 }, { -8, 72 }, { -16, 89 }, { -9, 69 },
1139 { -1, 59 }, { 5, 66 }, { 4, 57 }, { -4, 71 },
1140 { -2, 71 }, { 2, 58 }, { -1, 74 }, { -4, 44 },
1141 { -1, 69 }, { 0, 62 }, { -7, 51 }, { -4, 47 },
1142 { -6, 42 }, { -3, 41 }, { -6, 53 }, { 8, 76 },
1143 { -9, 78 }, { -11, 83 }, { 9, 52 }, { 0, 67 },
1144 { -5, 90 }, { 1, 67 }, { -15, 72 }, { -5, 75 },
1145 { -8, 80 }, { -21, 83 }, { -21, 64 }, { -13, 31 },
1146 { -25, 64 }, { -29, 94 }, { 9, 75 }, { 17, 63 },
1147 { -8, 74 }, { -5, 35 }, { -2, 27 }, { 13, 91 },
1148 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1149 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1150 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1151 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1152 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1153 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1154 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1155 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1156 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1157 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1158 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1159 { 4, 39 }, { 0, 42 }, { 7, 34 }, { 11, 29 },
1160 { 8, 31 }, { 6, 37 }, { 7, 42 }, { 3, 40 },
1161 { 8, 33 }, { 13, 43 }, { 13, 36 }, { 4, 47 },
1162 { 3, 55 }, { 2, 58 }, { 6, 60 }, { 8, 44 },
1163 { 11, 44 }, { 14, 42 }, { 7, 48 }, { 4, 56 },
1164 { 4, 52 }, { 13, 37 }, { 9, 49 }, { 19, 58 },
1165 { 10, 48 }, { 12, 45 }, { 0, 69 }, { 20, 33 },
1166 { 8, 63 }, { 35, -18 }, { 33, -25 }, { 28, -3 },
1167 { 24, 10 }, { 27, 0 }, { 34, -14 }, { 52, -44 },
1168 { 39, -24 }, { 19, 17 }, { 31, 25 }, { 36, 29 },
1169 { 24, 33 }, { 34, 15 }, { 30, 20 }, { 22, 73 },
1170 { -3, 78 }, { -8, 74 }, { -9, 72 }, { -10, 72 },
1171 { -18, 75 }, { -12, 71 }, { -11, 63 }, { -5, 70 },
1172 { -17, 75 }, { -14, 72 }, { -16, 67 }, { -8, 53 },
1173 { -14, 59 }, { -9, 52 }, { -11, 68 }, { -3, 78 },
1174 { -8, 74 }, { -9, 72 }, { -10, 72 }, { -18, 75 },
1175 { -12, 71 }, { -11, 63 }, { -5, 70 }, { -17, 75 },
1176 { -14, 72 }, { -16, 67 }, { -8, 53 }, { -14, 59 },
1177 { -9, 52 }, { -11, 68 }, { 9, -2 }, { 30, -10 },
1178 { 31, -4 }, { 33, -1 }, { 33, 7 }, { 31, 12 },
1179 { 37, 23 }, { 31, 38 }, { 20, 64 }, { 9, -2 },
1180 { 30, -10 }, { 31, -4 }, { 33, -1 }, { 33, 7 },
1181 { 31, 12 }, { 37, 23 }, { 31, 38 }, { 20, 64 },
1182 { -9, 71 }, { -7, 37 }, { -8, 44 }, { -11, 49 },
1183 { -10, 56 }, { -12, 59 }, { -8, 63 }, { -9, 67 },
1184 { -6, 68 }, { -10, 79 }, { -3, 78 }, { -8, 74 },
1185 { -9, 72 }, { -10, 72 }, { -18, 75 }, { -12, 71 },
1186 { -11, 63 }, { -5, 70 }, { -17, 75 }, { -14, 72 },
1187 { -16, 67 }, { -8, 53 }, { -14, 59 }, { -9, 52 },
1188 { -11, 68 }, { -3, 78 }, { -8, 74 }, { -9, 72 },
1189 { -10, 72 }, { -18, 75 }, { -12, 71 }, { -11, 63 },
1190 { -5, 70 }, { -17, 75 }, { -14, 72 }, { -16, 67 },
1191 { -8, 53 }, { -14, 59 }, { -9, 52 }, { -11, 68 },
1192 { 9, -2 }, { 30, -10 }, { 31, -4 }, { 33, -1 },
1193 { 33, 7 }, { 31, 12 }, { 37, 23 }, { 31, 38 },
1194 { 20, 64 }, { 9, -2 }, { 30, -10 }, { 31, -4 },
1195 { 33, -1 }, { 33, 7 }, { 31, 12 }, { 37, 23 },
1196 { 31, 38 }, { 20, 64 }, { -9, 71 }, { -7, 37 },
1197 { -8, 44 }, { -11, 49 }, { -10, 56 }, { -12, 59 },
1198 { -8, 63 }, { -9, 67 }, { -6, 68 }, { -10, 79 },
1199 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1200 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1201 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1202 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1203 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1204 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1205 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1206 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1207 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1208 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1209 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1210 { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },
1211 { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },
1212 { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },
1213 { -10, 94 }, { -15, 102 }, { -10, 99 }, { -13, 106 },
1214 { -50, 127 }, { -5, 92 }, { 17, 57 }, { -5, 86 },
1215 { -13, 94 }, { -12, 91 }, { -2, 77 }, { 0, 71 },
1216 { -1, 73 }, { 4, 64 }, { -7, 81 }, { 5, 64 },
1217 { 15, 57 }, { 1, 67 }, { 0, 68 }, { -10, 67 },
1218 { 1, 68 }, { 0, 77 }, { 2, 64 }, { 0, 68 },
1219 { -5, 78 }, { 7, 55 }, { 5, 59 }, { 2, 65 },
1220 { 14, 54 }, { 15, 44 }, { 5, 60 }, { 2, 70 },
1221 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1222 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1223 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1224 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1225 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1226 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1227 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1228 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1229 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1230 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1231 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1232 { 17, -13 }, { 16, -9 }, { 17, -12 }, { 27, -21 },
1233 { 37, -30 }, { 41, -40 }, { 42, -41 }, { 48, -47 },
1234 { 39, -32 }, { 46, -40 }, { 52, -51 }, { 46, -41 },
1235 { 52, -39 }, { 43, -19 }, { 32, 11 }, { 61, -55 },
1236 { 56, -46 }, { 62, -50 }, { 81, -67 }, { 45, -20 },
1237 { 35, -2 }, { 28, 15 }, { 34, 1 }, { 39, 1 },
1238 { 30, 17 }, { 20, 38 }, { 18, 45 }, { 15, 54 },
1239 { 0, 79 }, { 36, -16 }, { 37, -14 }, { 37, -17 },
1240 { 32, 1 }, { 34, 15 }, { 29, 15 }, { 24, 25 },
1241 { 34, 22 }, { 31, 16 }, { 35, 18 }, { 31, 28 },
1242 { 33, 41 }, { 36, 28 }, { 27, 47 }, { 21, 62 },
1243 { -24, 115 }, { -22, 82 }, { -9, 62 }, { 0, 53 },
1244 { 0, 59 }, { -14, 85 }, { -13, 89 }, { -13, 94 },
1245 { -11, 92 }, { -29, 127 }, { -21, 100 }, { -14, 57 },
1246 { -12, 67 }, { -11, 71 }, { -10, 77 }, { -21, 85 },
1247 { -16, 88 }, { -23, 104 }, { -15, 98 }, { -37, 127 },
1248 { -10, 82 }, { -8, 48 }, { -8, 61 }, { -8, 66 },
1249 { -7, 70 }, { -14, 75 }, { -10, 79 }, { -9, 83 },
1250 { -12, 92 }, { -18, 108 }, { -24, 115 }, { -22, 82 },
1251 { -9, 62 }, { 0, 53 }, { 0, 59 }, { -14, 85 },
1252 { -13, 89 }, { -13, 94 }, { -11, 92 }, { -29, 127 },
1253 { -21, 100 }, { -14, 57 }, { -12, 67 }, { -11, 71 },
1254 { -10, 77 }, { -21, 85 }, { -16, 88 }, { -23, 104 },
1255 { -15, 98 }, { -37, 127 }, { -10, 82 }, { -8, 48 },
1256 { -8, 61 }, { -8, 66 }, { -7, 70 }, { -14, 75 },
1257 { -10, 79 }, { -9, 83 }, { -12, 92 }, { -18, 108 },
1258 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1259 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 },
1260 { -5, 79 }, { -11, 104 }, { -11, 91 }, { -30, 127 }
1261 }
1262};
1263
1264void ff_h264_init_cabac_states(H264Context *h) {
1265 int i;
1266 const int8_t (*tab)[2];
1267 const int slice_qp = av_clip(h->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);
1268
1269 if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;
1270 else tab = cabac_context_init_PB[h->cabac_init_idc];
1271
1272 /* calculate pre-state */
1273 for( i= 0; i < 1024; i++ ) {
1274 int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;
1275
1276 pre^= pre>>31;
1277 if(pre > 124)
1278 pre= 124 + (pre&1);
1279
1280 h->cabac_state[i] = pre;
1281 }
1282}
1283
1284static int decode_cabac_field_decoding_flag(H264Context *h) {
1285 const long mbb_xy = h->mb_xy - 2L*h->mb_stride;
1286
1287 unsigned long ctx = 0;
1288
1289 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);
1290 ctx += (h->cur_pic.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);
1291
1292 return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );
1293}
1294
1295static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
1296 uint8_t *state= &h->cabac_state[ctx_base];
1297 int mb_type;
1298
1299 if(intra_slice){
1300 int ctx=0;
1301 if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1302 ctx++;
1303 if( h->top_type & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))
1304 ctx++;
1305 if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
1306 return 0; /* I4x4 */
1307 state += 2;
1308 }else{
1309 if( get_cabac_noinline( &h->cabac, state ) == 0 )
1310 return 0; /* I4x4 */
1311 }
1312
1313 if( get_cabac_terminate( &h->cabac ) )
1314 return 25; /* PCM */
1315
1316 mb_type = 1; /* I16x16 */
1317 mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
1318 if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
1319 mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
1320 mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
1321 mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
1322 return mb_type;
1323}
1324
1325static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
1326 int mba_xy, mbb_xy;
1327 int ctx = 0;
1328
1329 if (FRAME_MBAFF(h)) { //FIXME merge with the stuff in fill_caches?
1330 int mb_xy = mb_x + (mb_y&~1)*h->mb_stride;
1331 mba_xy = mb_xy - 1;
1332 if( (mb_y&1)
1333 && h->slice_table[mba_xy] == h->slice_num
1334 && MB_FIELD(h) == !!IS_INTERLACED( h->cur_pic.mb_type[mba_xy] ) )
1335 mba_xy += h->mb_stride;
1336 if (MB_FIELD(h)) {
1337 mbb_xy = mb_xy - h->mb_stride;
1338 if( !(mb_y&1)
1339 && h->slice_table[mbb_xy] == h->slice_num
1340 && IS_INTERLACED( h->cur_pic.mb_type[mbb_xy] ) )
1341 mbb_xy -= h->mb_stride;
1342 }else
1343 mbb_xy = mb_x + (mb_y-1)*h->mb_stride;
1344 }else{
1345 int mb_xy = h->mb_xy;
1346 mba_xy = mb_xy - 1;
1347 mbb_xy = mb_xy - (h->mb_stride << FIELD_PICTURE(h));
1348 }
1349
1350 if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mba_xy] ))
1351 ctx++;
1352 if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP(h->cur_pic.mb_type[mbb_xy] ))
1353 ctx++;
1354
1355 if( h->slice_type_nos == AV_PICTURE_TYPE_B )
1356 ctx += 13;
1357 return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
1358}
1359
1360static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
1361 int mode = 0;
1362
1363 if( get_cabac( &h->cabac, &h->cabac_state[68] ) )
1364 return pred_mode;
1365
1366 mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );
1367 mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );
1368 mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );
1369
1370 return mode + ( mode >= pred_mode );
1371}
1372
1373static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
1374 const int mba_xy = h->left_mb_xy[0];
1375 const int mbb_xy = h->top_mb_xy;
1376
1377 int ctx = 0;
1378
1379 /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */
1380 if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )
1381 ctx++;
1382
1383 if( h->top_type && h->chroma_pred_mode_table[mbb_xy] != 0 )
1384 ctx++;
1385
1386 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
1387 return 0;
1388
1389 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1390 return 1;
1391 if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
1392 return 2;
1393 else
1394 return 3;
1395}
1396
1397static int decode_cabac_mb_cbp_luma( H264Context *h) {
1398 int cbp_b, cbp_a, ctx, cbp = 0;
1399
1400 cbp_a = h->left_cbp;
1401 cbp_b = h->top_cbp;
1402
1403 ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);
1404 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);
1405 ctx = !(cbp & 0x01) + 2 * !(cbp_b & 0x08);
1406 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;
1407 ctx = !(cbp_a & 0x08) + 2 * !(cbp & 0x01);
1408 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;
1409 ctx = !(cbp & 0x04) + 2 * !(cbp & 0x02);
1410 cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;
1411 return cbp;
1412}
1413static int decode_cabac_mb_cbp_chroma( H264Context *h) {
1414 int ctx;
1415 int cbp_a, cbp_b;
1416
1417 cbp_a = (h->left_cbp>>4)&0x03;
1418 cbp_b = (h-> top_cbp>>4)&0x03;
1419
1420 ctx = 0;
1421 if( cbp_a > 0 ) ctx++;
1422 if( cbp_b > 0 ) ctx += 2;
1423 if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
1424 return 0;
1425
1426 ctx = 4;
1427 if( cbp_a == 2 ) ctx++;
1428 if( cbp_b == 2 ) ctx += 2;
1429 return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
1430}
1431
1432static int decode_cabac_p_mb_sub_type( H264Context *h ) {
1433 if( get_cabac( &h->cabac, &h->cabac_state[21] ) )
1434 return 0; /* 8x8 */
1435 if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )
1436 return 1; /* 8x4 */
1437 if( get_cabac( &h->cabac, &h->cabac_state[23] ) )
1438 return 2; /* 4x8 */
1439 return 3; /* 4x4 */
1440}
1441static int decode_cabac_b_mb_sub_type( H264Context *h ) {
1442 int type;
1443 if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )
1444 return 0; /* B_Direct_8x8 */
1445 if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )
1446 return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */
1447 type = 3;
1448 if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {
1449 if( get_cabac( &h->cabac, &h->cabac_state[39] ) )
1450 return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */
1451 type += 4;
1452 }
1453 type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );
1454 type += get_cabac( &h->cabac, &h->cabac_state[39] );
1455 return type;
1456}
1457
1458static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
1459 int refa = h->ref_cache[list][scan8[n] - 1];
1460 int refb = h->ref_cache[list][scan8[n] - 8];
1461 int ref = 0;
1462 int ctx = 0;
1463
1464 if( h->slice_type_nos == AV_PICTURE_TYPE_B) {
1465 if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )
1466 ctx++;
1467 if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )
1468 ctx += 2;
1469 } else {
1470 if( refa > 0 )
1471 ctx++;
1472 if( refb > 0 )
1473 ctx += 2;
1474 }
1475
1476 while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {
1477 ref++;
1478 ctx = (ctx>>2)+4;
1479 if(ref >= 32 /*h->ref_list[list]*/){
1480 return -1;
1481 }
1482 }
1483 return ref;
1484}
1485
1486static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {
1487 int mvd;
1488
1489 if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){
1490// if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){
1491 *mvda= 0;
1492 return 0;
1493 }
1494
1495 mvd= 1;
1496 ctxbase+= 3;
1497 while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {
1498 if( mvd < 4 )
1499 ctxbase++;
1500 mvd++;
1501 }
1502
1503 if( mvd >= 9 ) {
1504 int k = 3;
1505 while( get_cabac_bypass( &h->cabac ) ) {
1506 mvd += 1 << k;
1507 k++;
1508 if(k>24){
1509 av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
1510 return INT_MIN;
1511 }
1512 }
1513 while( k-- ) {
1514 mvd += get_cabac_bypass( &h->cabac )<<k;
1515 }
1516 *mvda=mvd < 70 ? mvd : 70;
1517 }else
1518 *mvda=mvd;
1519 return get_cabac_bypass_sign( &h->cabac, -mvd );
1520}
1521
1522#define DECODE_CABAC_MB_MVD( h, list, n )\
1523{\
1524 int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\
1525 h->mvd_cache[list][scan8[n] - 8][0];\
1526 int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\
1527 h->mvd_cache[list][scan8[n] - 8][1];\
1528\
1529 mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\
1530 my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\
1531}
1532
1533static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {
1534 int nza, nzb;
1535 int ctx = 0;
1536 static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
1537
1538 if( is_dc ) {
1539 if( cat == 3 ) {
1540 idx -= CHROMA_DC_BLOCK_INDEX;
1541 nza = (h->left_cbp>>(6+idx))&0x01;
1542 nzb = (h-> top_cbp>>(6+idx))&0x01;
1543 } else {
1544 idx -= LUMA_DC_BLOCK_INDEX;
1545 nza = h->left_cbp&(0x100<<idx);
1546 nzb = h-> top_cbp&(0x100<<idx);
1547 }
1548 } else {
1549 nza = h->non_zero_count_cache[scan8[idx] - 1];
1550 nzb = h->non_zero_count_cache[scan8[idx] - 8];
1551 }
1552
1553 if( nza > 0 )
1554 ctx++;
1555
1556 if( nzb > 0 )
1557 ctx += 2;
1558
1559 return base_ctx[cat] + ctx;
1560}
1561
1562static av_always_inline void
1563decode_cabac_residual_internal(H264Context *h, int16_t *block,
1564 int cat, int n, const uint8_t *scantable,
1565 const uint32_t *qmul, int max_coeff,
1566 int is_dc, int chroma422)
1567{
1568 static const int significant_coeff_flag_offset[2][14] = {
1569 { 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 },
1570 { 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 }
1571 };
1572 static const int last_coeff_flag_offset[2][14] = {
1573 { 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 },
1574 { 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 }
1575 };
1576 static const int coeff_abs_level_m1_offset[14] = {
1577 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
1578 };
1579 static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
1580 { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
1581 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
1582 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
1583 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
1584 { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
1585 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
1586 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
1587 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
1588 };
1589 static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
1590 /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
1591 * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
1592 * map node ctx => cabac ctx for level=1 */
1593 static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
1594 /* map node ctx => cabac ctx for level>1 */
1595 static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
1596 { 5, 5, 5, 5, 6, 7, 8, 9 },
1597 { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case
1598 };
1599 static const uint8_t coeff_abs_level_transition[2][8] = {
1600 /* update node ctx after decoding a level=1 */
1601 { 1, 2, 3, 3, 4, 5, 6, 7 },
1602 /* update node ctx after decoding a level>1 */
1603 { 4, 4, 4, 4, 5, 6, 7, 7 }
1604 };
1605
1606 int index[64];
1607
1608 int last;
1609 int coeff_count = 0;
1610 int node_ctx = 0;
1611
1612 uint8_t *significant_coeff_ctx_base;
1613 uint8_t *last_coeff_ctx_base;
1614 uint8_t *abs_level_m1_ctx_base;
1615
1616#if !ARCH_X86
1617#define CABAC_ON_STACK
1618#endif
1619#ifdef CABAC_ON_STACK
1620#define CC &cc
1621 CABACContext cc;
1622 cc.range = h->cabac.range;
1623 cc.low = h->cabac.low;
1624 cc.bytestream= h->cabac.bytestream;
1625#if !UNCHECKED_BITSTREAM_READER || ARCH_AARCH64
1626 cc.bytestream_end = h->cabac.bytestream_end;
1627#endif
1628#else
1629#define CC &h->cabac
1630#endif
1631
1632 significant_coeff_ctx_base = h->cabac_state
1633 + significant_coeff_flag_offset[MB_FIELD(h)][cat];
1634 last_coeff_ctx_base = h->cabac_state
1635 + last_coeff_flag_offset[MB_FIELD(h)][cat];
1636 abs_level_m1_ctx_base = h->cabac_state
1637 + coeff_abs_level_m1_offset[cat];
1638
1639 if( !is_dc && max_coeff == 64 ) {
1640#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
1641 for(last= 0; last < coefs; last++) { \
1642 uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
1643 if( get_cabac( CC, sig_ctx )) { \
1644 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
1645 index[coeff_count++] = last; \
1646 if( get_cabac( CC, last_ctx ) ) { \
1647 last= max_coeff; \
1648 break; \
1649 } \
1650 } \
1651 }\
1652 if( last == max_coeff -1 ) {\
1653 index[coeff_count++] = last;\
1654 }
1655 const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD(h)];
1656#ifdef decode_significance
1657 coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
1658 last_coeff_ctx_base, sig_off);
1659 } else {
1660 if (is_dc && chroma422) { // dc 422
1661 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1662 } else {
1663 coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
1664 last_coeff_ctx_base-significant_coeff_ctx_base);
1665 }
1666#else
1667 DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
1668 } else {
1669 if (is_dc && chroma422) { // dc 422
1670 DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
1671 } else {
1672 DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
1673 }
1674#endif
1675 }
1676 av_assert2(coeff_count > 0);
1677
1678 if( is_dc ) {
1679 if( cat == 3 )
1680 h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
1681 else
1682 h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
1683 h->non_zero_count_cache[scan8[n]] = coeff_count;
1684 } else {
1685 if( max_coeff == 64 )
1686 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
1687 else {
1688 av_assert2( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
1689 h->non_zero_count_cache[scan8[n]] = coeff_count;
1690 }
1691 }
1692
1693#define STORE_BLOCK(type) \
1694 do { \
1695 uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
1696 \
1697 int j= scantable[index[--coeff_count]]; \
1698 \
1699 if( get_cabac( CC, ctx ) == 0 ) { \
1700 node_ctx = coeff_abs_level_transition[0][node_ctx]; \
1701 if( is_dc ) { \
1702 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
1703 }else{ \
1704 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
1705 } \
1706 } else { \
1707 int coeff_abs = 2; \
1708 ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
1709 node_ctx = coeff_abs_level_transition[1][node_ctx]; \
1710\
1711 while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
1712 coeff_abs++; \
1713 } \
1714\
1715 if( coeff_abs >= 15 ) { \
1716 int j = 0; \
1717 while(get_cabac_bypass( CC ) && j<30) { \
1718 j++; \
1719 } \
1720\
1721 coeff_abs=1; \
1722 while( j-- ) { \
1723 coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
1724 } \
1725 coeff_abs+= 14; \
1726 } \
1727\
1728 if( is_dc ) { \
1729 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
1730 }else{ \
1731 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
1732 } \
1733 } \
1734 } while ( coeff_count );
1735
1736 if (h->pixel_shift) {
1737 STORE_BLOCK(int32_t)
1738 } else {
1739 STORE_BLOCK(int16_t)
1740 }
1741#ifdef CABAC_ON_STACK
1742 h->cabac.range = cc.range ;
1743 h->cabac.low = cc.low ;
1744 h->cabac.bytestream= cc.bytestream;
1745#endif
1746
1747}
1748
1749static av_noinline void decode_cabac_residual_dc_internal(H264Context *h,
1750 int16_t *block,
1751 int cat, int n,
1752 const uint8_t *scantable,
1753 int max_coeff)
1754{
1755 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);
1756}
1757
1758static av_noinline void decode_cabac_residual_dc_internal_422(H264Context *h,
1759 int16_t *block,
1760 int cat, int n,
1761 const uint8_t *scantable,
1762 int max_coeff)
1763{
1764 decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);
1765}
1766
1767static av_noinline void decode_cabac_residual_nondc_internal(H264Context *h,
1768 int16_t *block,
1769 int cat, int n,
1770 const uint8_t *scantable,
1771 const uint32_t *qmul,
1772 int max_coeff)
1773{
1774 decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);
1775}
1776
1777/* cat: 0-> DC 16x16 n = 0
1778 * 1-> AC 16x16 n = luma4x4idx
1779 * 2-> Luma4x4 n = luma4x4idx
1780 * 3-> DC Chroma n = iCbCr
1781 * 4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx
1782 * 5-> Luma8x8 n = 4 * luma8x8idx */
1783
1784/* Partially inline the CABAC residual decode: inline the coded block flag.
1785 * This has very little impact on binary size and improves performance
1786 * because it allows improved constant propagation into get_cabac_cbf_ctx,
1787 * as well as because most blocks have zero CBFs. */
1788
1789static av_always_inline void decode_cabac_residual_dc(H264Context *h,
1790 int16_t *block,
1791 int cat, int n,
1792 const uint8_t *scantable,
1793 int max_coeff)
1794{
1795 /* read coded block flag */
1796 if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {
1797 h->non_zero_count_cache[scan8[n]] = 0;
1798 return;
1799 }
1800 decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );
1801}
1802
1803static av_always_inline void
1804decode_cabac_residual_dc_422(H264Context *h, int16_t *block,
1805 int cat, int n, const uint8_t *scantable,
1806 int max_coeff)
1807{
1808 /* read coded block flag */
1809 if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {
1810 h->non_zero_count_cache[scan8[n]] = 0;
1811 return;
1812 }
1813 decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);
1814}
1815
1816static av_always_inline void decode_cabac_residual_nondc(H264Context *h,
1817 int16_t *block,
1818 int cat, int n,
1819 const uint8_t *scantable,
1820 const uint32_t *qmul,
1821 int max_coeff)
1822{
1823 /* read coded block flag */
1824 if( (cat != 5 || CHROMA444(h)) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {
1825 if( max_coeff == 64 ) {
1826 fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
1827 } else {
1828 h->non_zero_count_cache[scan8[n]] = 0;
1829 }
1830 return;
1831 }
1832 decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );
1833}
1834
1835static 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 )
1836{
1837 static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};
1838 const uint32_t *qmul;
1839 int i8x8, i4x4;
1840 int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];
1841 if( IS_INTRA16x16( mb_type ) ) {
1842 AV_ZERO128(h->mb_luma_dc[p]+0);
1843 AV_ZERO128(h->mb_luma_dc[p]+8);
1844 AV_ZERO128(h->mb_luma_dc[p]+16);
1845 AV_ZERO128(h->mb_luma_dc[p]+24);
1846 decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);
1847
1848 if( cbp&15 ) {
1849 qmul = h->dequant4_coeff[p][qscale];
1850 for( i4x4 = 0; i4x4 < 16; i4x4++ ) {
1851 const int index = 16*p + i4x4;
1852 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);
1853 }
1854 } else {
1855 fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);
1856 }
1857 } else {
1858 int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;
1859 for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
1860 if( cbp & (1<<i8x8) ) {
1861 if( IS_8x8DCT(mb_type) ) {
1862 const int index = 16*p + 4*i8x8;
1863 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,
1864 scan8x8, h->dequant8_coeff[cqm][qscale], 64);
1865 } else {
1866 qmul = h->dequant4_coeff[cqm][qscale];
1867 for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
1868 const int index = 16*p + 4*i8x8 + i4x4;
1869//START_TIMER
1870 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);
1871//STOP_TIMER("decode_residual")
1872 }
1873 }
1874 } else {
1875 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);
1876 }
1877 }
1878 }
1879}
1880
1881/**
1882 * Decode a macroblock.
1883 * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR if an error is noticed
1884 */
1885int ff_h264_decode_mb_cabac(H264Context *h) {
1886 int mb_xy;
1887 int mb_type, partition_count, cbp = 0;
1888 int dct8x8_allowed= h->pps.transform_8x8_mode;
1889 int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;
1890 const int pixel_shift = h->pixel_shift;
1891 unsigned local_ref_count[2];
1892
1893 mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;
1894
1895 tprintf(h->avctx, "pic:%d mb:%d/%d\n", h->frame_num, h->mb_x, h->mb_y);
1896 if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {
1897 int skip;
1898 /* a skipped mb needs the aff flag from the following mb */
1899 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 1 && h->prev_mb_skipped)
1900 skip = h->next_mb_skipped;
1901 else
1902 skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );
1903 /* read skip flags */
1904 if( skip ) {
1905 if (FRAME_MBAFF(h) && (h->mb_y & 1) == 0) {
1906 h->cur_pic.mb_type[mb_xy] = MB_TYPE_SKIP;
1907 h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );
1908 if(!h->next_mb_skipped)
1909 h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1910 }
1911
1912 decode_mb_skip(h);
1913
1914 h->cbp_table[mb_xy] = 0;
1915 h->chroma_pred_mode_table[mb_xy] = 0;
1916 h->last_qscale_diff = 0;
1917
1918 return 0;
1919
1920 }
1921 }
1922 if (FRAME_MBAFF(h)) {
1923 if( (h->mb_y&1) == 0 )
1924 h->mb_mbaff =
1925 h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
1926 }
1927
1928 h->prev_mb_skipped = 0;
1929
1930 fill_decode_neighbors(h, -(MB_FIELD(h)));
1931
1932 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
1933 int ctx = 0;
1934 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_B);
1935
1936 if( !IS_DIRECT( h->left_type[LTOP]-1 ) )
1937 ctx++;
1938 if( !IS_DIRECT( h->top_type-1 ) )
1939 ctx++;
1940
1941 if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){
1942 mb_type= 0; /* B_Direct_16x16 */
1943 }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
1944 mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
1945 }else{
1946 int bits;
1947 bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
1948 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
1949 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
1950 bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1951 if( bits < 8 ){
1952 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
1953 }else if( bits == 13 ){
1954 mb_type= decode_cabac_intra_mb_type(h, 32, 0);
1955 goto decode_intra_mb;
1956 }else if( bits == 14 ){
1957 mb_type= 11; /* B_L1_L0_8x16 */
1958 }else if( bits == 15 ){
1959 mb_type= 22; /* B_8x8 */
1960 }else{
1961 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
1962 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
1963 }
1964 }
1965 partition_count= b_mb_type_info[mb_type].partition_count;
1966 mb_type= b_mb_type_info[mb_type].type;
1967 } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {
1968 if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
1969 /* P-type */
1970 if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
1971 /* P_L0_D16x16, P_8x8 */
1972 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
1973 } else {
1974 /* P_L0_D8x16, P_L0_D16x8 */
1975 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
1976 }
1977 partition_count= p_mb_type_info[mb_type].partition_count;
1978 mb_type= p_mb_type_info[mb_type].type;
1979 } else {
1980 mb_type= decode_cabac_intra_mb_type(h, 17, 0);
1981 goto decode_intra_mb;
1982 }
1983 } else {
1984 mb_type= decode_cabac_intra_mb_type(h, 3, 1);
1985 if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)
1986 mb_type--;
1987 av_assert2(h->slice_type_nos == AV_PICTURE_TYPE_I);
1988decode_intra_mb:
1989 partition_count = 0;
1990 cbp= i_mb_type_info[mb_type].cbp;
1991 h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
1992 mb_type= i_mb_type_info[mb_type].type;
1993 }
1994 if(MB_FIELD(h))
1995 mb_type |= MB_TYPE_INTERLACED;
1996
1997 h->slice_table[ mb_xy ]= h->slice_num;
1998
1999 if(IS_INTRA_PCM(mb_type)) {
2000 const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
2001 h->sps.bit_depth_luma >> 3;
2002 const uint8_t *ptr;
2003
2004 // We assume these blocks are very rare so we do not optimize it.
2005 // FIXME The two following lines get the bitstream position in the cabac
2006 // decode, I think it should be done by a function in cabac.h (or cabac.c).
2007 ptr= h->cabac.bytestream;
2008 if(h->cabac.low&0x1) ptr--;
2009 if(CABAC_BITS==16){
2010 if(h->cabac.low&0x1FF) ptr--;
2011 }
2012
2013 // The pixels are stored in the same order as levels in h->mb array.
2014 if ((int) (h->cabac.bytestream_end - ptr) < mb_size)
2015 return -1;
2016 h->intra_pcm_ptr = ptr;
2017 ptr += mb_size;
2018
2019 ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
2020
2021 // All blocks are present
2022 h->cbp_table[mb_xy] = 0xf7ef;
2023 h->chroma_pred_mode_table[mb_xy] = 0;
2024 // In deblocking, the quantizer is 0
2025 h->cur_pic.qscale_table[mb_xy] = 0;
2026 // All coeffs are present
2027 memset(h->non_zero_count[mb_xy], 16, 48);
2028 h->cur_pic.mb_type[mb_xy] = mb_type;
2029 h->last_qscale_diff = 0;
2030 return 0;
2031 }
2032
2033 local_ref_count[0] = h->ref_count[0] << MB_MBAFF(h);
2034 local_ref_count[1] = h->ref_count[1] << MB_MBAFF(h);
2035
2036 fill_decode_caches(h, mb_type);
2037
2038 if( IS_INTRA( mb_type ) ) {
2039 int i, pred_mode;
2040 if( IS_INTRA4x4( mb_type ) ) {
2041 if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {
2042 mb_type |= MB_TYPE_8x8DCT;
2043 for( i = 0; i < 16; i+=4 ) {
2044 int pred = pred_intra_mode( h, i );
2045 int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2046 fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
2047 }
2048 } else {
2049 for( i = 0; i < 16; i++ ) {
2050 int pred = pred_intra_mode( h, i );
2051 h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
2052
2053 av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
2054 h->intra4x4_pred_mode_cache[scan8[i]]);
2055 }
2056 }
2057 write_back_intra_pred_mode(h);
2058 if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;
2059 } else {
2060 h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );
2061 if( h->intra16x16_pred_mode < 0 ) return -1;
2062 }
2063 if(decode_chroma){
2064 h->chroma_pred_mode_table[mb_xy] =
2065 pred_mode = decode_cabac_mb_chroma_pre_mode( h );
2066
2067 pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );
2068 if( pred_mode < 0 ) return -1;
2069 h->chroma_pred_mode= pred_mode;
2070 } else {
2071 h->chroma_pred_mode= DC_128_PRED8x8;
2072 }
2073 } else if( partition_count == 4 ) {
2074 int i, j, sub_partition_count[4], list, ref[2][4];
2075
2076 if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {
2077 for( i = 0; i < 4; i++ ) {
2078 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
2079 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2080 h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2081 }
2082 if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
2083 h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
2084 ff_h264_pred_direct_motion(h, &mb_type);
2085 h->ref_cache[0][scan8[4]] =
2086 h->ref_cache[1][scan8[4]] =
2087 h->ref_cache[0][scan8[12]] =
2088 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
2089 for( i = 0; i < 4; i++ )
2090 fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );
2091 }
2092 } else {
2093 for( i = 0; i < 4; i++ ) {
2094 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
2095 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
2096 h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
2097 }
2098 }
2099
2100 for( list = 0; list < h->list_count; list++ ) {
2101 for( i = 0; i < 4; i++ ) {
2102 if(IS_DIRECT(h->sub_mb_type[i])) continue;
2103 if(IS_DIR(h->sub_mb_type[i], 0, list)){
2104 if (local_ref_count[list] > 1) {
2105 ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
2106 if (ref[list][i] >= (unsigned)local_ref_count[list]) {
2107 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], local_ref_count[list]);
2108 return -1;
2109 }
2110 }else
2111 ref[list][i] = 0;
2112 } else {
2113 ref[list][i] = -1;
2114 }
2115 h->ref_cache[list][ scan8[4*i]+1 ]=
2116 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
2117 }
2118 }
2119
2120 if(dct8x8_allowed)
2121 dct8x8_allowed = get_dct8x8_allowed(h);
2122
2123 for(list=0; list<h->list_count; list++){
2124 for(i=0; i<4; i++){
2125 h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
2126 if(IS_DIRECT(h->sub_mb_type[i])){
2127 fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);
2128 continue;
2129 }
2130
2131 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
2132 const int sub_mb_type= h->sub_mb_type[i];
2133 const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
2134 for(j=0; j<sub_partition_count[i]; j++){
2135 int mpx, mpy;
2136 int mx, my;
2137 const int index= 4*i + block_width*j;
2138 int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
2139 uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
2140 pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
2141 DECODE_CABAC_MB_MVD( h, list, index)
2142 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2143
2144 if(IS_SUB_8X8(sub_mb_type)){
2145 mv_cache[ 1 ][0]=
2146 mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
2147 mv_cache[ 1 ][1]=
2148 mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
2149
2150 mvd_cache[ 1 ][0]=
2151 mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;
2152 mvd_cache[ 1 ][1]=
2153 mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;
2154 }else if(IS_SUB_8X4(sub_mb_type)){
2155 mv_cache[ 1 ][0]= mx;
2156 mv_cache[ 1 ][1]= my;
2157
2158 mvd_cache[ 1 ][0]= mpx;
2159 mvd_cache[ 1 ][1]= mpy;
2160 }else if(IS_SUB_4X8(sub_mb_type)){
2161 mv_cache[ 8 ][0]= mx;
2162 mv_cache[ 8 ][1]= my;
2163
2164 mvd_cache[ 8 ][0]= mpx;
2165 mvd_cache[ 8 ][1]= mpy;
2166 }
2167 mv_cache[ 0 ][0]= mx;
2168 mv_cache[ 0 ][1]= my;
2169
2170 mvd_cache[ 0 ][0]= mpx;
2171 mvd_cache[ 0 ][1]= mpy;
2172 }
2173 }else{
2174 fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);
2175 fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);
2176 }
2177 }
2178 }
2179 } else if( IS_DIRECT(mb_type) ) {
2180 ff_h264_pred_direct_motion(h, &mb_type);
2181 fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);
2182 fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);
2183 dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
2184 } else {
2185 int list, i;
2186 if(IS_16X16(mb_type)){
2187 for(list=0; list<h->list_count; list++){
2188 if(IS_DIR(mb_type, 0, list)){
2189 int ref;
2190 if (local_ref_count[list] > 1) {
2191 ref= decode_cabac_mb_ref(h, list, 0);
2192 if (ref >= (unsigned)local_ref_count[list]) {
2193 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2194 return -1;
2195 }
2196 }else
2197 ref=0;
2198 fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
2199 }
2200 }
2201 for(list=0; list<h->list_count; list++){
2202 if(IS_DIR(mb_type, 0, list)){
2203 int mx,my,mpx,mpy;
2204 pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
2205 DECODE_CABAC_MB_MVD( h, list, 0)
2206 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2207
2208 fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
2209 fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
2210 }
2211 }
2212 }
2213 else if(IS_16X8(mb_type)){
2214 for(list=0; list<h->list_count; list++){
2215 for(i=0; i<2; i++){
2216 if(IS_DIR(mb_type, i, list)){
2217 int ref;
2218 if (local_ref_count[list] > 1) {
2219 ref= decode_cabac_mb_ref( h, list, 8*i );
2220 if (ref >= (unsigned)local_ref_count[list]) {
2221 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2222 return -1;
2223 }
2224 }else
2225 ref=0;
2226 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
2227 }else
2228 fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
2229 }
2230 }
2231 for(list=0; list<h->list_count; list++){
2232 for(i=0; i<2; i++){
2233 if(IS_DIR(mb_type, i, list)){
2234 int mx,my,mpx,mpy;
2235 pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
2236 DECODE_CABAC_MB_MVD( h, list, 8*i)
2237 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2238
2239 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
2240 fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
2241 }else{
2242 fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);
2243 fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
2244 }
2245 }
2246 }
2247 }else{
2248 av_assert2(IS_8X16(mb_type));
2249 for(list=0; list<h->list_count; list++){
2250 for(i=0; i<2; i++){
2251 if(IS_DIR(mb_type, i, list)){ //FIXME optimize
2252 int ref;
2253 if (local_ref_count[list] > 1) {
2254 ref= decode_cabac_mb_ref( h, list, 4*i );
2255 if (ref >= (unsigned)local_ref_count[list]) {
2256 av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, local_ref_count[list]);
2257 return -1;
2258 }
2259 }else
2260 ref=0;
2261 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
2262 }else
2263 fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
2264 }
2265 }
2266 for(list=0; list<h->list_count; list++){
2267 for(i=0; i<2; i++){
2268 if(IS_DIR(mb_type, i, list)){
2269 int mx,my,mpx,mpy;
2270 pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
2271 DECODE_CABAC_MB_MVD( h, list, 4*i)
2272
2273 tprintf(h->avctx, "final mv:%d %d\n", mx, my);
2274 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
2275 fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
2276 }else{
2277 fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);
2278 fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
2279 }
2280 }
2281 }
2282 }
2283 }
2284
2285 if( IS_INTER( mb_type ) ) {
2286 h->chroma_pred_mode_table[mb_xy] = 0;
2287 write_back_motion( h, mb_type );
2288 }
2289
2290 if( !IS_INTRA16x16( mb_type ) ) {
2291 cbp = decode_cabac_mb_cbp_luma( h );
2292 if(decode_chroma)
2293 cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
2294 } else {
2295 if (!decode_chroma && cbp>15) {
2296 av_log(h->avctx, AV_LOG_ERROR, "gray chroma\n");
2297 return AVERROR_INVALIDDATA;
2298 }
2299 }
2300
2301 h->cbp_table[mb_xy] = h->cbp = cbp;
2302
2303 if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
2304 mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
2305 }
2306
2307 /* It would be better to do this in fill_decode_caches, but we don't know
2308 * the transform mode of the current macroblock there. */
2309 if (CHROMA444(h) && IS_8x8DCT(mb_type)){
2310 int i;
2311 uint8_t *nnz_cache = h->non_zero_count_cache;
2312 for (i = 0; i < 2; i++){
2313 if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){
2314 nnz_cache[3+8* 1 + 2*8*i]=
2315 nnz_cache[3+8* 2 + 2*8*i]=
2316 nnz_cache[3+8* 6 + 2*8*i]=
2317 nnz_cache[3+8* 7 + 2*8*i]=
2318 nnz_cache[3+8*11 + 2*8*i]=
2319 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;
2320 }
2321 }
2322 if (h->top_type && !IS_8x8DCT(h->top_type)){
2323 uint32_t top_empty = CABAC(h) && !IS_INTRA(mb_type) ? 0 : 0x40404040;
2324 AV_WN32A(&nnz_cache[4+8* 0], top_empty);
2325 AV_WN32A(&nnz_cache[4+8* 5], top_empty);
2326 AV_WN32A(&nnz_cache[4+8*10], top_empty);
2327 }
2328 }
2329 h->cur_pic.mb_type[mb_xy] = mb_type;
2330
2331 if( cbp || IS_INTRA16x16( mb_type ) ) {
2332 const uint8_t *scan, *scan8x8;
2333 const uint32_t *qmul;
2334
2335 if(IS_INTERLACED(mb_type)){
2336 scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
2337 scan= h->qscale ? h->field_scan : h->field_scan_q0;
2338 }else{
2339 scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
2340 scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
2341 }
2342
2343 // decode_cabac_mb_dqp
2344 if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){
2345 int val = 1;
2346 int ctx= 2;
2347 const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);
2348
2349 while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
2350 ctx= 3;
2351 val++;
2352 if(val > 2*max_qp){ //prevent infinite loop
2353 av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", h->mb_x, h->mb_y);
2354 return -1;
2355 }
2356 }
2357
2358 if( val&0x01 )
2359 val= (val + 1)>>1 ;
2360 else
2361 val= -((val + 1)>>1);
2362 h->last_qscale_diff = val;
2363 h->qscale += val;
2364 if(((unsigned)h->qscale) > max_qp){
2365 if(h->qscale<0) h->qscale+= max_qp+1;
2366 else h->qscale-= max_qp+1;
2367 }
2368 h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);
2369 h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);
2370 }else
2371 h->last_qscale_diff=0;
2372
2373 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);
2374 if (CHROMA444(h)) {
2375 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);
2376 decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);
2377 } else if (CHROMA422(h)) {
2378 if( cbp&0x30 ){
2379 int c;
2380 for (c = 0; c < 2; c++)
2381 decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,
2382 CHROMA_DC_BLOCK_INDEX + c,
2383 chroma422_dc_scan, 8);
2384 }
2385
2386 if( cbp&0x20 ) {
2387 int c, i, i8x8;
2388 for( c = 0; c < 2; c++ ) {
2389 int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);
2390 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2391 for (i8x8 = 0; i8x8 < 2; i8x8++) {
2392 for (i = 0; i < 4; i++) {
2393 const int index = 16 + 16 * c + 8*i8x8 + i;
2394 decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);
2395 mb += 16<<pixel_shift;
2396 }
2397 }
2398 }
2399 } else {
2400 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2401 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2402 }
2403 } else /* yuv420 */ {
2404 if( cbp&0x30 ){
2405 int c;
2406 for (c = 0; c < 2; c++)
2407 decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
2408 }
2409
2410 if( cbp&0x20 ) {
2411 int c, i;
2412 for( c = 0; c < 2; c++ ) {
2413 qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
2414 for( i = 0; i < 4; i++ ) {
2415 const int index = 16 + 16 * c + i;
2416 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
2417 }
2418 }
2419 } else {
2420 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2421 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2422 }
2423 }
2424 } else {
2425 fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);
2426 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
2427 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
2428 h->last_qscale_diff = 0;
2429 }
2430
2431 h->cur_pic.qscale_table[mb_xy] = h->qscale;
2432 write_back_non_zero_count(h);
2433
2434 return 0;
2435}
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