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