tree.c revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace 
1// Copyright 2011 Google Inc. All Rights Reserved.
2//
3// Use of this source code is governed by a BSD-style license
4// that can be found in the COPYING file in the root of the source
5// tree. An additional intellectual property rights grant can be found
6// in the file PATENTS. All contributing project authors may
7// be found in the AUTHORS file in the root of the source tree.
8// -----------------------------------------------------------------------------
9//
10// Token probabilities
11//
12// Author: Skal (pascal.massimino@gmail.com)
13
14#include "./vp8enci.h"
15
16#if defined(__cplusplus) || defined(c_plusplus)
17extern "C" {
18#endif
19
20//------------------------------------------------------------------------------
21// Default probabilities
22
23// Paragraph 13.5
24const uint8_t
25  VP8CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = {
26  // genereated using vp8_default_coef_probs() in entropy.c:129
27  { { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
28      { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
29      { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }
30    },
31    { { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 },
32      { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 },
33      { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 }
34    },
35    { { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 },
36      { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 },
37      { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 },
38    },
39    { { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 },
40      { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 },
41      { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 },
42    },
43    { { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 },
44      { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 },
45      { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 }
46    },
47    { { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 },
48      { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 },
49      { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 }
50    },
51    { { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 },
52      { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 },
53      { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 }
54    },
55    { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
56      { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
57      { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }
58    }
59  },
60  { { { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 },
61      { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 },
62      { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 }
63    },
64    { { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 },
65      { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 },
66      { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 }
67    },
68    { { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 },
69      { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 },
70      { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 }
71    },
72    { { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 },
73      { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 },
74      { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 }
75    },
76    { { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 },
77      { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 },
78      { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 }
79    },
80    { { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 },
81      { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 },
82      { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 }
83    },
84    { { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 },
85      { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 },
86      { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 }
87    },
88    { { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 },
89      { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
90      { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 }
91    }
92  },
93  { { { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 },
94      { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 },
95      { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 }
96    },
97    { { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 },
98      { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 },
99      { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 }
100    },
101    { { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 },
102      { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 },
103      { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 }
104    },
105    { { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 },
106      { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 },
107      { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 }
108    },
109    { { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
110      { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 },
111      { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }
112    },
113    { { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
114      { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
115      { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 }
116    },
117    { { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 },
118      { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 },
119      { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 }
120    },
121    { { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
122      { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
123      { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }
124    }
125  },
126  { { { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 },
127      { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 },
128      { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 }
129    },
130    { { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 },
131      { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 },
132      { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 }
133    },
134    { { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 },
135      { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 },
136      { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 }
137    },
138    { { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 },
139      { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 },
140      { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 }
141    },
142    { { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 },
143      { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 },
144      { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 }
145    },
146    { { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 },
147      { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 },
148      { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 }
149    },
150    { { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 },
151      { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 },
152      { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 }
153    },
154    { { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
155      { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
156      { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }
157    }
158  }
159};
160
161void VP8DefaultProbas(VP8Encoder* const enc) {
162  VP8Proba* const probas = &enc->proba_;
163  probas->use_skip_proba_ = 0;
164  memset(probas->segments_, 255u, sizeof(probas->segments_));
165  memcpy(probas->coeffs_, VP8CoeffsProba0, sizeof(VP8CoeffsProba0));
166  // Note: we could hard-code the level_costs_ corresponding to VP8CoeffsProba0,
167  // but that's ~11k of static data. Better call VP8CalculateLevelCosts() later.
168  probas->dirty_ = 1;
169}
170
171// Paragraph 11.5.  900bytes.
172static const uint8_t kBModesProba[NUM_BMODES][NUM_BMODES][NUM_BMODES - 1] = {
173  { { 231, 120, 48, 89, 115, 113, 120, 152, 112 },
174    { 152, 179, 64, 126, 170, 118, 46, 70, 95 },
175    { 175, 69, 143, 80, 85, 82, 72, 155, 103 },
176    { 56, 58, 10, 171, 218, 189, 17, 13, 152 },
177    { 114, 26, 17, 163, 44, 195, 21, 10, 173 },
178    { 121, 24, 80, 195, 26, 62, 44, 64, 85 },
179    { 144, 71, 10, 38, 171, 213, 144, 34, 26 },
180    { 170, 46, 55, 19, 136, 160, 33, 206, 71 },
181    { 63, 20, 8, 114, 114, 208, 12, 9, 226 },
182    { 81, 40, 11, 96, 182, 84, 29, 16, 36 } },
183  { { 134, 183, 89, 137, 98, 101, 106, 165, 148 },
184    { 72, 187, 100, 130, 157, 111, 32, 75, 80 },
185    { 66, 102, 167, 99, 74, 62, 40, 234, 128 },
186    { 41, 53, 9, 178, 241, 141, 26, 8, 107 },
187    { 74, 43, 26, 146, 73, 166, 49, 23, 157 },
188    { 65, 38, 105, 160, 51, 52, 31, 115, 128 },
189    { 104, 79, 12, 27, 217, 255, 87, 17, 7 },
190    { 87, 68, 71, 44, 114, 51, 15, 186, 23 },
191    { 47, 41, 14, 110, 182, 183, 21, 17, 194 },
192    { 66, 45, 25, 102, 197, 189, 23, 18, 22 } },
193  { { 88, 88, 147, 150, 42, 46, 45, 196, 205 },
194    { 43, 97, 183, 117, 85, 38, 35, 179, 61 },
195    { 39, 53, 200, 87, 26, 21, 43, 232, 171 },
196    { 56, 34, 51, 104, 114, 102, 29, 93, 77 },
197    { 39, 28, 85, 171, 58, 165, 90, 98, 64 },
198    { 34, 22, 116, 206, 23, 34, 43, 166, 73 },
199    { 107, 54, 32, 26, 51, 1, 81, 43, 31 },
200    { 68, 25, 106, 22, 64, 171, 36, 225, 114 },
201    { 34, 19, 21, 102, 132, 188, 16, 76, 124 },
202    { 62, 18, 78, 95, 85, 57, 50, 48, 51 } },
203  { { 193, 101, 35, 159, 215, 111, 89, 46, 111 },
204    { 60, 148, 31, 172, 219, 228, 21, 18, 111 },
205    { 112, 113, 77, 85, 179, 255, 38, 120, 114 },
206    { 40, 42, 1, 196, 245, 209, 10, 25, 109 },
207    { 88, 43, 29, 140, 166, 213, 37, 43, 154 },
208    { 61, 63, 30, 155, 67, 45, 68, 1, 209 },
209    { 100, 80, 8, 43, 154, 1, 51, 26, 71 },
210    { 142, 78, 78, 16, 255, 128, 34, 197, 171 },
211    { 41, 40, 5, 102, 211, 183, 4, 1, 221 },
212    { 51, 50, 17, 168, 209, 192, 23, 25, 82 } },
213  { { 138, 31, 36, 171, 27, 166, 38, 44, 229 },
214    { 67, 87, 58, 169, 82, 115, 26, 59, 179 },
215    { 63, 59, 90, 180, 59, 166, 93, 73, 154 },
216    { 40, 40, 21, 116, 143, 209, 34, 39, 175 },
217    { 47, 15, 16, 183, 34, 223, 49, 45, 183 },
218    { 46, 17, 33, 183, 6, 98, 15, 32, 183 },
219    { 57, 46, 22, 24, 128, 1, 54, 17, 37 },
220    { 65, 32, 73, 115, 28, 128, 23, 128, 205 },
221    { 40, 3, 9, 115, 51, 192, 18, 6, 223 },
222    { 87, 37, 9, 115, 59, 77, 64, 21, 47 } },
223  { { 104, 55, 44, 218, 9, 54, 53, 130, 226 },
224    { 64, 90, 70, 205, 40, 41, 23, 26, 57 },
225    { 54, 57, 112, 184, 5, 41, 38, 166, 213 },
226    { 30, 34, 26, 133, 152, 116, 10, 32, 134 },
227    { 39, 19, 53, 221, 26, 114, 32, 73, 255 },
228    { 31, 9, 65, 234, 2, 15, 1, 118, 73 },
229    { 75, 32, 12, 51, 192, 255, 160, 43, 51 },
230    { 88, 31, 35, 67, 102, 85, 55, 186, 85 },
231    { 56, 21, 23, 111, 59, 205, 45, 37, 192 },
232    { 55, 38, 70, 124, 73, 102, 1, 34, 98 } },
233  { { 125, 98, 42, 88, 104, 85, 117, 175, 82 },
234    { 95, 84, 53, 89, 128, 100, 113, 101, 45 },
235    { 75, 79, 123, 47, 51, 128, 81, 171, 1 },
236    { 57, 17, 5, 71, 102, 57, 53, 41, 49 },
237    { 38, 33, 13, 121, 57, 73, 26, 1, 85 },
238    { 41, 10, 67, 138, 77, 110, 90, 47, 114 },
239    { 115, 21, 2, 10, 102, 255, 166, 23, 6 },
240    { 101, 29, 16, 10, 85, 128, 101, 196, 26 },
241    { 57, 18, 10, 102, 102, 213, 34, 20, 43 },
242    { 117, 20, 15, 36, 163, 128, 68, 1, 26 } },
243  { { 102, 61, 71, 37, 34, 53, 31, 243, 192 },
244    { 69, 60, 71, 38, 73, 119, 28, 222, 37 },
245    { 68, 45, 128, 34, 1, 47, 11, 245, 171 },
246    { 62, 17, 19, 70, 146, 85, 55, 62, 70 },
247    { 37, 43, 37, 154, 100, 163, 85, 160, 1 },
248    { 63, 9, 92, 136, 28, 64, 32, 201, 85 },
249    { 75, 15, 9, 9, 64, 255, 184, 119, 16 },
250    { 86, 6, 28, 5, 64, 255, 25, 248, 1 },
251    { 56, 8, 17, 132, 137, 255, 55, 116, 128 },
252    { 58, 15, 20, 82, 135, 57, 26, 121, 40 } },
253  { { 164, 50, 31, 137, 154, 133, 25, 35, 218 },
254    { 51, 103, 44, 131, 131, 123, 31, 6, 158 },
255    { 86, 40, 64, 135, 148, 224, 45, 183, 128 },
256    { 22, 26, 17, 131, 240, 154, 14, 1, 209 },
257    { 45, 16, 21, 91, 64, 222, 7, 1, 197 },
258    { 56, 21, 39, 155, 60, 138, 23, 102, 213 },
259    { 83, 12, 13, 54, 192, 255, 68, 47, 28 },
260    { 85, 26, 85, 85, 128, 128, 32, 146, 171 },
261    { 18, 11, 7, 63, 144, 171, 4, 4, 246 },
262    { 35, 27, 10, 146, 174, 171, 12, 26, 128 } },
263  { { 190, 80, 35, 99, 180, 80, 126, 54, 45 },
264    { 85, 126, 47, 87, 176, 51, 41, 20, 32 },
265    { 101, 75, 128, 139, 118, 146, 116, 128, 85 },
266    { 56, 41, 15, 176, 236, 85, 37, 9, 62 },
267    { 71, 30, 17, 119, 118, 255, 17, 18, 138 },
268    { 101, 38, 60, 138, 55, 70, 43, 26, 142 },
269    { 146, 36, 19, 30, 171, 255, 97, 27, 20 },
270    { 138, 45, 61, 62, 219, 1, 81, 188, 64 },
271    { 32, 41, 20, 117, 151, 142, 20, 21, 163 },
272    { 112, 19, 12, 61, 195, 128, 48, 4, 24 } }
273};
274
275static int PutI4Mode(VP8BitWriter* const bw, int mode,
276                     const uint8_t* const prob) {
277  if (VP8PutBit(bw, mode != B_DC_PRED, prob[0])) {
278    if (VP8PutBit(bw, mode != B_TM_PRED, prob[1])) {
279      if (VP8PutBit(bw, mode != B_VE_PRED, prob[2])) {
280        if (!VP8PutBit(bw, mode >= B_LD_PRED, prob[3])) {
281          if (VP8PutBit(bw, mode != B_HE_PRED, prob[4])) {
282            VP8PutBit(bw, mode != B_RD_PRED, prob[5]);
283          }
284        } else {
285          if (VP8PutBit(bw, mode != B_LD_PRED, prob[6])) {
286            if (VP8PutBit(bw, mode != B_VL_PRED, prob[7])) {
287              VP8PutBit(bw, mode != B_HD_PRED, prob[8]);
288            }
289          }
290        }
291      }
292    }
293  }
294  return mode;
295}
296
297static void PutI16Mode(VP8BitWriter* const bw, int mode) {
298  if (VP8PutBit(bw, (mode == TM_PRED || mode == H_PRED), 156)) {
299    VP8PutBit(bw, mode == TM_PRED, 128);    // TM or HE
300  } else {
301    VP8PutBit(bw, mode == V_PRED, 163);     // VE or DC
302  }
303}
304
305static void PutUVMode(VP8BitWriter* const bw, int uv_mode) {
306  if (VP8PutBit(bw, uv_mode != DC_PRED, 142)) {
307    if (VP8PutBit(bw, uv_mode != V_PRED, 114)) {
308      VP8PutBit(bw, uv_mode != H_PRED, 183);    // else: TM_PRED
309    }
310  }
311}
312
313static void PutSegment(VP8BitWriter* const bw, int s, const uint8_t* p) {
314  if (VP8PutBit(bw, s >= 2, p[0])) p += 1;
315  VP8PutBit(bw, s & 1, p[1]);
316}
317
318void VP8CodeIntraModes(VP8Encoder* const enc) {
319  VP8BitWriter* const bw = &enc->bw_;
320  VP8EncIterator it;
321  VP8IteratorInit(enc, &it);
322  do {
323    const VP8MBInfo* mb = it.mb_;
324    const uint8_t* preds = it.preds_;
325    if (enc->segment_hdr_.update_map_) {
326      PutSegment(bw, mb->segment_, enc->proba_.segments_);
327    }
328    if (enc->proba_.use_skip_proba_) {
329      VP8PutBit(bw, mb->skip_, enc->proba_.skip_proba_);
330    }
331    if (VP8PutBit(bw, (mb->type_ != 0), 145)) {  // i16x16
332      PutI16Mode(bw, preds[0]);
333    } else {
334      const int preds_w = enc->preds_w_;
335      const uint8_t* top_pred = preds - preds_w;
336      int x, y;
337      for (y = 0; y < 4; ++y) {
338        int left = preds[-1];
339        for (x = 0; x < 4; ++x) {
340          const uint8_t* const probas = kBModesProba[top_pred[x]][left];
341          left = PutI4Mode(bw, preds[x], probas);
342        }
343        top_pred = preds;
344        preds += preds_w;
345      }
346    }
347    PutUVMode(bw, mb->uv_mode_);
348  } while (VP8IteratorNext(&it, 0));
349}
350
351//------------------------------------------------------------------------------
352// Paragraph 13
353
354const uint8_t
355    VP8CoeffsUpdateProba[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = {
356  { { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
357      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
358      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
359    },
360    { { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
361      { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
362      { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }
363    },
364    { { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
365      { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
366      { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
367    },
368    { { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
369      { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
370      { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }
371    },
372    { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
373      { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
374      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
375    },
376    { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
377      { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
378      { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }
379    },
380    { { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 },
381      { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 },
382      { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
383    },
384    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
385      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
386      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
387    }
388  },
389  { { { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
390      { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 },
391      { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 }
392    },
393    { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
394      { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
395      { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 }
396    },
397    { { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
398      { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
399      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
400    },
401    { { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
402      { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
403      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
404    },
405    { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
406      { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
407      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
408    },
409    { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
410      { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
411      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
412    },
413    { { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
414      { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
415      { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
416    },
417    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
418      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
419      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
420    }
421  },
422  { { { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
423      { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 },
424      { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 }
425    },
426    { { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
427      { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
428      { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 }
429    },
430    { { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
431      { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
432      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
433    },
434    { { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
435      { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
436      { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
437    },
438    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
439      { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
440      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
441    },
442    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
443      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
444      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
445    },
446    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
447      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
448      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
449    },
450    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
451      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
452      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
453    }
454  },
455  { { { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
456      { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 },
457      { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 }
458    },
459    { { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
460      { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
461      { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 }
462    },
463    { { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
464      { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
465      { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 }
466    },
467    { { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
468      { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
469      { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }
470    },
471    { { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
472      { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
473      { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
474    },
475    { { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
476      { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
477      { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }
478    },
479    { { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
480      { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
481      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
482    },
483    { { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
484      { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
485      { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }
486    }
487  }
488};
489
490void VP8WriteProbas(VP8BitWriter* const bw, const VP8Proba* const probas) {
491  int t, b, c, p;
492  for (t = 0; t < NUM_TYPES; ++t) {
493    for (b = 0; b < NUM_BANDS; ++b) {
494      for (c = 0; c < NUM_CTX; ++c) {
495        for (p = 0; p < NUM_PROBAS; ++p) {
496          const uint8_t p0 = probas->coeffs_[t][b][c][p];
497          const int update = (p0 != VP8CoeffsProba0[t][b][c][p]);
498          if (VP8PutBit(bw, update, VP8CoeffsUpdateProba[t][b][c][p])) {
499            VP8PutValue(bw, p0, 8);
500          }
501        }
502      }
503    }
504  }
505  if (VP8PutBitUniform(bw, probas->use_skip_proba_)) {
506    VP8PutValue(bw, probas->skip_proba_, 8);
507  }
508}
509
510#if defined(__cplusplus) || defined(c_plusplus)
511}    // extern "C"
512#endif
513