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 (at) gmail.com) 13 14 #include "src/enc/vp8i_enc.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 }; 155 156 void VP8DefaultProbas(VP8Encoder* const enc) { 157 VP8EncProba* 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 }; 269 270 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 } 291 292 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 } 299 300 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 } 307 308 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 } 312 313 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 }; 484 485 void VP8WriteProbas(VP8BitWriter* const bw, const VP8EncProba* 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 VP8PutBits(bw, p0, 8); 495 } 496 } 497 } 498 } 499 } 500 if (VP8PutBitUniform(bw, probas->use_skip_proba_)) { 501 VP8PutBits(bw, probas->skip_proba_, 8); 502 } 503 } 504 505
