tree_enc.c (22100B)
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 <string.h> 15 16 #include "src/dec/common_dec.h" 17 #include "src/webp/types.h" 18 #include "src/enc/vp8i_enc.h" 19 #include "src/utils/bit_writer_utils.h" 20 21 //------------------------------------------------------------------------------ 22 // Default probabilities 23 24 // Paragraph 13.5 25 const uint8_t 26 VP8CoeffsProba0[NUM_TYPES][NUM_BANDS][NUM_CTX][NUM_PROBAS] = { 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 }; 160 161 void VP8DefaultProbas(VP8Encoder* const enc) { 162 VP8EncProba* 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. 172 static 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 }; 274 275 static 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 } 296 297 static 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 } 304 305 static 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 } 312 313 static 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 } 317 318 void VP8CodeIntraModes(VP8Encoder* const enc) { 319 VP8BitWriter* const bw = &enc->bw; 320 VP8EncIterator it; 321 VP8IteratorInit(enc, &it); 322 do { 323 const VP8MBInfo* const 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)); 349 } 350 351 //------------------------------------------------------------------------------ 352 // Paragraph 13 353 354 const 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 }; 489 490 void VP8WriteProbas(VP8BitWriter* const bw, const VP8EncProba* 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 VP8PutBits(bw, p0, 8); 500 } 501 } 502 } 503 } 504 } 505 if (VP8PutBitUniform(bw, probas->use_skip_proba)) { 506 VP8PutBits(bw, probas->skip_proba, 8); 507 } 508 }