1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "vpx_mem/vpx_mem.h" 12 13 #include "vp9/common/vp9_onyxc_int.h" 14 #include "vp9/common/vp9_seg_common.h" 15 16 const vpx_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1] = { 17 { 18 // above = dc 19 { 137, 30, 42, 148, 151, 207, 70, 52, 91 }, // left = dc 20 { 92, 45, 102, 136, 116, 180, 74, 90, 100 }, // left = v 21 { 73, 32, 19, 187, 222, 215, 46, 34, 100 }, // left = h 22 { 91, 30, 32, 116, 121, 186, 93, 86, 94 }, // left = d45 23 { 72, 35, 36, 149, 68, 206, 68, 63, 105 }, // left = d135 24 { 73, 31, 28, 138, 57, 124, 55, 122, 151 }, // left = d117 25 { 67, 23, 21, 140, 126, 197, 40, 37, 171 }, // left = d153 26 { 86, 27, 28, 128, 154, 212, 45, 43, 53 }, // left = d207 27 { 74, 32, 27, 107, 86, 160, 63, 134, 102 }, // left = d63 28 { 59, 67, 44, 140, 161, 202, 78, 67, 119 } // left = tm 29 }, 30 { 31 // above = v 32 { 63, 36, 126, 146, 123, 158, 60, 90, 96 }, // left = dc 33 { 43, 46, 168, 134, 107, 128, 69, 142, 92 }, // left = v 34 { 44, 29, 68, 159, 201, 177, 50, 57, 77 }, // left = h 35 { 58, 38, 76, 114, 97, 172, 78, 133, 92 }, // left = d45 36 { 46, 41, 76, 140, 63, 184, 69, 112, 57 }, // left = d135 37 { 38, 32, 85, 140, 46, 112, 54, 151, 133 }, // left = d117 38 { 39, 27, 61, 131, 110, 175, 44, 75, 136 }, // left = d153 39 { 52, 30, 74, 113, 130, 175, 51, 64, 58 }, // left = d207 40 { 47, 35, 80, 100, 74, 143, 64, 163, 74 }, // left = d63 41 { 36, 61, 116, 114, 128, 162, 80, 125, 82 } // left = tm 42 }, 43 { 44 // above = h 45 { 82, 26, 26, 171, 208, 204, 44, 32, 105 }, // left = dc 46 { 55, 44, 68, 166, 179, 192, 57, 57, 108 }, // left = v 47 { 42, 26, 11, 199, 241, 228, 23, 15, 85 }, // left = h 48 { 68, 42, 19, 131, 160, 199, 55, 52, 83 }, // left = d45 49 { 58, 50, 25, 139, 115, 232, 39, 52, 118 }, // left = d135 50 { 50, 35, 33, 153, 104, 162, 64, 59, 131 }, // left = d117 51 { 44, 24, 16, 150, 177, 202, 33, 19, 156 }, // left = d153 52 { 55, 27, 12, 153, 203, 218, 26, 27, 49 }, // left = d207 53 { 53, 49, 21, 110, 116, 168, 59, 80, 76 }, // left = d63 54 { 38, 72, 19, 168, 203, 212, 50, 50, 107 } // left = tm 55 }, 56 { 57 // above = d45 58 { 103, 26, 36, 129, 132, 201, 83, 80, 93 }, // left = dc 59 { 59, 38, 83, 112, 103, 162, 98, 136, 90 }, // left = v 60 { 62, 30, 23, 158, 200, 207, 59, 57, 50 }, // left = h 61 { 67, 30, 29, 84, 86, 191, 102, 91, 59 }, // left = d45 62 { 60, 32, 33, 112, 71, 220, 64, 89, 104 }, // left = d135 63 { 53, 26, 34, 130, 56, 149, 84, 120, 103 }, // left = d117 64 { 53, 21, 23, 133, 109, 210, 56, 77, 172 }, // left = d153 65 { 77, 19, 29, 112, 142, 228, 55, 66, 36 }, // left = d207 66 { 61, 29, 29, 93, 97, 165, 83, 175, 162 }, // left = d63 67 { 47, 47, 43, 114, 137, 181, 100, 99, 95 } // left = tm 68 }, 69 { 70 // above = d135 71 { 69, 23, 29, 128, 83, 199, 46, 44, 101 }, // left = dc 72 { 53, 40, 55, 139, 69, 183, 61, 80, 110 }, // left = v 73 { 40, 29, 19, 161, 180, 207, 43, 24, 91 }, // left = h 74 { 60, 34, 19, 105, 61, 198, 53, 64, 89 }, // left = d45 75 { 52, 31, 22, 158, 40, 209, 58, 62, 89 }, // left = d135 76 { 44, 31, 29, 147, 46, 158, 56, 102, 198 }, // left = d117 77 { 35, 19, 12, 135, 87, 209, 41, 45, 167 }, // left = d153 78 { 55, 25, 21, 118, 95, 215, 38, 39, 66 }, // left = d207 79 { 51, 38, 25, 113, 58, 164, 70, 93, 97 }, // left = d63 80 { 47, 54, 34, 146, 108, 203, 72, 103, 151 } // left = tm 81 }, 82 { 83 // above = d117 84 { 64, 19, 37, 156, 66, 138, 49, 95, 133 }, // left = dc 85 { 46, 27, 80, 150, 55, 124, 55, 121, 135 }, // left = v 86 { 36, 23, 27, 165, 149, 166, 54, 64, 118 }, // left = h 87 { 53, 21, 36, 131, 63, 163, 60, 109, 81 }, // left = d45 88 { 40, 26, 35, 154, 40, 185, 51, 97, 123 }, // left = d135 89 { 35, 19, 34, 179, 19, 97, 48, 129, 124 }, // left = d117 90 { 36, 20, 26, 136, 62, 164, 33, 77, 154 }, // left = d153 91 { 45, 18, 32, 130, 90, 157, 40, 79, 91 }, // left = d207 92 { 45, 26, 28, 129, 45, 129, 49, 147, 123 }, // left = d63 93 { 38, 44, 51, 136, 74, 162, 57, 97, 121 } // left = tm 94 }, 95 { 96 // above = d153 97 { 75, 17, 22, 136, 138, 185, 32, 34, 166 }, // left = dc 98 { 56, 39, 58, 133, 117, 173, 48, 53, 187 }, // left = v 99 { 35, 21, 12, 161, 212, 207, 20, 23, 145 }, // left = h 100 { 56, 29, 19, 117, 109, 181, 55, 68, 112 }, // left = d45 101 { 47, 29, 17, 153, 64, 220, 59, 51, 114 }, // left = d135 102 { 46, 16, 24, 136, 76, 147, 41, 64, 172 }, // left = d117 103 { 34, 17, 11, 108, 152, 187, 13, 15, 209 }, // left = d153 104 { 51, 24, 14, 115, 133, 209, 32, 26, 104 }, // left = d207 105 { 55, 30, 18, 122, 79, 179, 44, 88, 116 }, // left = d63 106 { 37, 49, 25, 129, 168, 164, 41, 54, 148 } // left = tm 107 }, 108 { 109 // above = d207 110 { 82, 22, 32, 127, 143, 213, 39, 41, 70 }, // left = dc 111 { 62, 44, 61, 123, 105, 189, 48, 57, 64 }, // left = v 112 { 47, 25, 17, 175, 222, 220, 24, 30, 86 }, // left = h 113 { 68, 36, 17, 106, 102, 206, 59, 74, 74 }, // left = d45 114 { 57, 39, 23, 151, 68, 216, 55, 63, 58 }, // left = d135 115 { 49, 30, 35, 141, 70, 168, 82, 40, 115 }, // left = d117 116 { 51, 25, 15, 136, 129, 202, 38, 35, 139 }, // left = d153 117 { 68, 26, 16, 111, 141, 215, 29, 28, 28 }, // left = d207 118 { 59, 39, 19, 114, 75, 180, 77, 104, 42 }, // left = d63 119 { 40, 61, 26, 126, 152, 206, 61, 59, 93 } // left = tm 120 }, 121 { 122 // above = d63 123 { 78, 23, 39, 111, 117, 170, 74, 124, 94 }, // left = dc 124 { 48, 34, 86, 101, 92, 146, 78, 179, 134 }, // left = v 125 { 47, 22, 24, 138, 187, 178, 68, 69, 59 }, // left = h 126 { 56, 25, 33, 105, 112, 187, 95, 177, 129 }, // left = d45 127 { 48, 31, 27, 114, 63, 183, 82, 116, 56 }, // left = d135 128 { 43, 28, 37, 121, 63, 123, 61, 192, 169 }, // left = d117 129 { 42, 17, 24, 109, 97, 177, 56, 76, 122 }, // left = d153 130 { 58, 18, 28, 105, 139, 182, 70, 92, 63 }, // left = d207 131 { 46, 23, 32, 74, 86, 150, 67, 183, 88 }, // left = d63 132 { 36, 38, 48, 92, 122, 165, 88, 137, 91 } // left = tm 133 }, 134 { 135 // above = tm 136 { 65, 70, 60, 155, 159, 199, 61, 60, 81 }, // left = dc 137 { 44, 78, 115, 132, 119, 173, 71, 112, 93 }, // left = v 138 { 39, 38, 21, 184, 227, 206, 42, 32, 64 }, // left = h 139 { 58, 47, 36, 124, 137, 193, 80, 82, 78 }, // left = d45 140 { 49, 50, 35, 144, 95, 205, 63, 78, 59 }, // left = d135 141 { 41, 53, 52, 148, 71, 142, 65, 128, 51 }, // left = d117 142 { 40, 36, 28, 143, 143, 202, 40, 55, 137 }, // left = d153 143 { 52, 34, 29, 129, 183, 227, 42, 35, 43 }, // left = d207 144 { 42, 44, 44, 104, 105, 164, 64, 130, 80 }, // left = d63 145 { 43, 81, 53, 140, 169, 204, 68, 84, 72 } // left = tm 146 } 147 }; 148 149 const vpx_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1] = { 150 { 144, 11, 54, 157, 195, 130, 46, 58, 108 }, // y = dc 151 { 118, 15, 123, 148, 131, 101, 44, 93, 131 }, // y = v 152 { 113, 12, 23, 188, 226, 142, 26, 32, 125 }, // y = h 153 { 120, 11, 50, 123, 163, 135, 64, 77, 103 }, // y = d45 154 { 113, 9, 36, 155, 111, 157, 32, 44, 161 }, // y = d135 155 { 116, 9, 55, 176, 76, 96, 37, 61, 149 }, // y = d117 156 { 115, 9, 28, 141, 161, 167, 21, 25, 193 }, // y = d153 157 { 120, 12, 32, 145, 195, 142, 32, 38, 86 }, // y = d207 158 { 116, 12, 64, 120, 140, 125, 49, 115, 121 }, // y = d63 159 { 102, 19, 66, 162, 182, 122, 35, 59, 128 } // y = tm 160 }; 161 162 static const vpx_prob default_if_y_probs[BLOCK_SIZE_GROUPS][INTRA_MODES - 1] = { 163 { 65, 32, 18, 144, 162, 194, 41, 51, 98 }, // block_size < 8x8 164 { 132, 68, 18, 165, 217, 196, 45, 40, 78 }, // block_size < 16x16 165 { 173, 80, 19, 176, 240, 193, 64, 35, 46 }, // block_size < 32x32 166 { 221, 135, 38, 194, 248, 121, 96, 85, 29 } // block_size >= 32x32 167 }; 168 169 static const vpx_prob default_if_uv_probs[INTRA_MODES][INTRA_MODES - 1] = { 170 { 120, 7, 76, 176, 208, 126, 28, 54, 103 }, // y = dc 171 { 48, 12, 154, 155, 139, 90, 34, 117, 119 }, // y = v 172 { 67, 6, 25, 204, 243, 158, 13, 21, 96 }, // y = h 173 { 97, 5, 44, 131, 176, 139, 48, 68, 97 }, // y = d45 174 { 83, 5, 42, 156, 111, 152, 26, 49, 152 }, // y = d135 175 { 80, 5, 58, 178, 74, 83, 33, 62, 145 }, // y = d117 176 { 86, 5, 32, 154, 192, 168, 14, 22, 163 }, // y = d153 177 { 85, 5, 32, 156, 216, 148, 19, 29, 73 }, // y = d207 178 { 77, 7, 64, 116, 132, 122, 37, 126, 120 }, // y = d63 179 { 101, 21, 107, 181, 192, 103, 19, 67, 125 } // y = tm 180 }; 181 182 const vpx_prob vp9_kf_partition_probs[PARTITION_CONTEXTS][PARTITION_TYPES - 1] = 183 { 184 // 8x8 -> 4x4 185 { 158, 97, 94 }, // a/l both not split 186 { 93, 24, 99 }, // a split, l not split 187 { 85, 119, 44 }, // l split, a not split 188 { 62, 59, 67 }, // a/l both split 189 // 16x16 -> 8x8 190 { 149, 53, 53 }, // a/l both not split 191 { 94, 20, 48 }, // a split, l not split 192 { 83, 53, 24 }, // l split, a not split 193 { 52, 18, 18 }, // a/l both split 194 // 32x32 -> 16x16 195 { 150, 40, 39 }, // a/l both not split 196 { 78, 12, 26 }, // a split, l not split 197 { 67, 33, 11 }, // l split, a not split 198 { 24, 7, 5 }, // a/l both split 199 // 64x64 -> 32x32 200 { 174, 35, 49 }, // a/l both not split 201 { 68, 11, 27 }, // a split, l not split 202 { 57, 15, 9 }, // l split, a not split 203 { 12, 3, 3 }, // a/l both split 204 }; 205 206 static const vpx_prob 207 default_partition_probs[PARTITION_CONTEXTS][PARTITION_TYPES - 1] = { 208 // 8x8 -> 4x4 209 { 199, 122, 141 }, // a/l both not split 210 { 147, 63, 159 }, // a split, l not split 211 { 148, 133, 118 }, // l split, a not split 212 { 121, 104, 114 }, // a/l both split 213 // 16x16 -> 8x8 214 { 174, 73, 87 }, // a/l both not split 215 { 92, 41, 83 }, // a split, l not split 216 { 82, 99, 50 }, // l split, a not split 217 { 53, 39, 39 }, // a/l both split 218 // 32x32 -> 16x16 219 { 177, 58, 59 }, // a/l both not split 220 { 68, 26, 63 }, // a split, l not split 221 { 52, 79, 25 }, // l split, a not split 222 { 17, 14, 12 }, // a/l both split 223 // 64x64 -> 32x32 224 { 222, 34, 30 }, // a/l both not split 225 { 72, 16, 44 }, // a split, l not split 226 { 58, 32, 12 }, // l split, a not split 227 { 10, 7, 6 }, // a/l both split 228 }; 229 230 static const vpx_prob 231 default_inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1] = { 232 { 2, 173, 34 }, // 0 = both zero mv 233 { 7, 145, 85 }, // 1 = one zero mv + one a predicted mv 234 { 7, 166, 63 }, // 2 = two predicted mvs 235 { 7, 94, 66 }, // 3 = one predicted/zero and one new mv 236 { 8, 64, 46 }, // 4 = two new mvs 237 { 17, 81, 31 }, // 5 = one intra neighbour + x 238 { 25, 29, 30 }, // 6 = two intra neighbours 239 }; 240 241 /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */ 242 const vpx_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)] = { 243 -DC_PRED, 2, /* 0 = DC_NODE */ 244 -TM_PRED, 4, /* 1 = TM_NODE */ 245 -V_PRED, 6, /* 2 = V_NODE */ 246 8, 12, /* 3 = COM_NODE */ 247 -H_PRED, 10, /* 4 = H_NODE */ 248 -D135_PRED, -D117_PRED, /* 5 = D135_NODE */ 249 -D45_PRED, 14, /* 6 = D45_NODE */ 250 -D63_PRED, 16, /* 7 = D63_NODE */ 251 -D153_PRED, -D207_PRED /* 8 = D153_NODE */ 252 }; 253 254 const vpx_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)] = { 255 -INTER_OFFSET(ZEROMV), 2, -INTER_OFFSET(NEARESTMV), 4, -INTER_OFFSET(NEARMV), 256 -INTER_OFFSET(NEWMV) 257 }; 258 259 const vpx_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)] = { 260 -PARTITION_NONE, 2, -PARTITION_HORZ, 4, -PARTITION_VERT, -PARTITION_SPLIT 261 }; 262 263 static const vpx_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = { 264 9, 102, 187, 225 265 }; 266 267 static const vpx_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = { 268 239, 183, 119, 96, 41 269 }; 270 271 static const vpx_prob default_comp_ref_p[REF_CONTEXTS] = { 50, 126, 123, 221, 272 226 }; 273 274 static const vpx_prob default_single_ref_p[REF_CONTEXTS][2] = { 275 { 33, 16 }, { 77, 74 }, { 142, 142 }, { 172, 170 }, { 238, 247 } 276 }; 277 278 static const struct tx_probs default_tx_probs = { { { 3, 136, 37 }, 279 { 5, 52, 13 } }, 280 281 { { 20, 152 }, { 15, 101 } }, 282 283 { { 100 }, { 66 } } }; 284 285 void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p, 286 unsigned int (*ct_32x32p)[2]) { 287 ct_32x32p[0][0] = tx_count_32x32p[TX_4X4]; 288 ct_32x32p[0][1] = tx_count_32x32p[TX_8X8] + tx_count_32x32p[TX_16X16] + 289 tx_count_32x32p[TX_32X32]; 290 ct_32x32p[1][0] = tx_count_32x32p[TX_8X8]; 291 ct_32x32p[1][1] = tx_count_32x32p[TX_16X16] + tx_count_32x32p[TX_32X32]; 292 ct_32x32p[2][0] = tx_count_32x32p[TX_16X16]; 293 ct_32x32p[2][1] = tx_count_32x32p[TX_32X32]; 294 } 295 296 void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p, 297 unsigned int (*ct_16x16p)[2]) { 298 ct_16x16p[0][0] = tx_count_16x16p[TX_4X4]; 299 ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16]; 300 ct_16x16p[1][0] = tx_count_16x16p[TX_8X8]; 301 ct_16x16p[1][1] = tx_count_16x16p[TX_16X16]; 302 } 303 304 void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p, 305 unsigned int (*ct_8x8p)[2]) { 306 ct_8x8p[0][0] = tx_count_8x8p[TX_4X4]; 307 ct_8x8p[0][1] = tx_count_8x8p[TX_8X8]; 308 } 309 310 static const vpx_prob default_skip_probs[SKIP_CONTEXTS] = { 192, 128, 64 }; 311 312 static const vpx_prob default_switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS] 313 [SWITCHABLE_FILTERS - 1] = { 314 { 235, 162 }, 315 { 36, 255 }, 316 { 34, 3 }, 317 { 149, 144 }, 318 }; 319 320 static void init_mode_probs(FRAME_CONTEXT *fc) { 321 vp9_copy(fc->uv_mode_prob, default_if_uv_probs); 322 vp9_copy(fc->y_mode_prob, default_if_y_probs); 323 vp9_copy(fc->switchable_interp_prob, default_switchable_interp_prob); 324 vp9_copy(fc->partition_prob, default_partition_probs); 325 vp9_copy(fc->intra_inter_prob, default_intra_inter_p); 326 vp9_copy(fc->comp_inter_prob, default_comp_inter_p); 327 vp9_copy(fc->comp_ref_prob, default_comp_ref_p); 328 vp9_copy(fc->single_ref_prob, default_single_ref_p); 329 fc->tx_probs = default_tx_probs; 330 vp9_copy(fc->skip_probs, default_skip_probs); 331 vp9_copy(fc->inter_mode_probs, default_inter_mode_probs); 332 } 333 334 const vpx_tree_index vp9_switchable_interp_tree[TREE_SIZE(SWITCHABLE_FILTERS)] = 335 { -EIGHTTAP, 2, -EIGHTTAP_SMOOTH, -EIGHTTAP_SHARP }; 336 337 void vp9_adapt_mode_probs(VP9_COMMON *cm) { 338 int i, j; 339 FRAME_CONTEXT *fc = cm->fc; 340 const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx]; 341 const FRAME_COUNTS *counts = &cm->counts; 342 343 for (i = 0; i < INTRA_INTER_CONTEXTS; i++) 344 fc->intra_inter_prob[i] = mode_mv_merge_probs(pre_fc->intra_inter_prob[i], 345 counts->intra_inter[i]); 346 for (i = 0; i < COMP_INTER_CONTEXTS; i++) 347 fc->comp_inter_prob[i] = 348 mode_mv_merge_probs(pre_fc->comp_inter_prob[i], counts->comp_inter[i]); 349 for (i = 0; i < REF_CONTEXTS; i++) 350 fc->comp_ref_prob[i] = 351 mode_mv_merge_probs(pre_fc->comp_ref_prob[i], counts->comp_ref[i]); 352 for (i = 0; i < REF_CONTEXTS; i++) 353 for (j = 0; j < 2; j++) 354 fc->single_ref_prob[i][j] = mode_mv_merge_probs( 355 pre_fc->single_ref_prob[i][j], counts->single_ref[i][j]); 356 357 for (i = 0; i < INTER_MODE_CONTEXTS; i++) 358 vpx_tree_merge_probs(vp9_inter_mode_tree, pre_fc->inter_mode_probs[i], 359 counts->inter_mode[i], fc->inter_mode_probs[i]); 360 361 for (i = 0; i < BLOCK_SIZE_GROUPS; i++) 362 vpx_tree_merge_probs(vp9_intra_mode_tree, pre_fc->y_mode_prob[i], 363 counts->y_mode[i], fc->y_mode_prob[i]); 364 365 for (i = 0; i < INTRA_MODES; ++i) 366 vpx_tree_merge_probs(vp9_intra_mode_tree, pre_fc->uv_mode_prob[i], 367 counts->uv_mode[i], fc->uv_mode_prob[i]); 368 369 for (i = 0; i < PARTITION_CONTEXTS; i++) 370 vpx_tree_merge_probs(vp9_partition_tree, pre_fc->partition_prob[i], 371 counts->partition[i], fc->partition_prob[i]); 372 373 if (cm->interp_filter == SWITCHABLE) { 374 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 375 vpx_tree_merge_probs( 376 vp9_switchable_interp_tree, pre_fc->switchable_interp_prob[i], 377 counts->switchable_interp[i], fc->switchable_interp_prob[i]); 378 } 379 380 if (cm->tx_mode == TX_MODE_SELECT) { 381 int j; 382 unsigned int branch_ct_8x8p[TX_SIZES - 3][2]; 383 unsigned int branch_ct_16x16p[TX_SIZES - 2][2]; 384 unsigned int branch_ct_32x32p[TX_SIZES - 1][2]; 385 386 for (i = 0; i < TX_SIZE_CONTEXTS; ++i) { 387 tx_counts_to_branch_counts_8x8(counts->tx.p8x8[i], branch_ct_8x8p); 388 for (j = 0; j < TX_SIZES - 3; ++j) 389 fc->tx_probs.p8x8[i][j] = 390 mode_mv_merge_probs(pre_fc->tx_probs.p8x8[i][j], branch_ct_8x8p[j]); 391 392 tx_counts_to_branch_counts_16x16(counts->tx.p16x16[i], branch_ct_16x16p); 393 for (j = 0; j < TX_SIZES - 2; ++j) 394 fc->tx_probs.p16x16[i][j] = mode_mv_merge_probs( 395 pre_fc->tx_probs.p16x16[i][j], branch_ct_16x16p[j]); 396 397 tx_counts_to_branch_counts_32x32(counts->tx.p32x32[i], branch_ct_32x32p); 398 for (j = 0; j < TX_SIZES - 1; ++j) 399 fc->tx_probs.p32x32[i][j] = mode_mv_merge_probs( 400 pre_fc->tx_probs.p32x32[i][j], branch_ct_32x32p[j]); 401 } 402 } 403 404 for (i = 0; i < SKIP_CONTEXTS; ++i) 405 fc->skip_probs[i] = 406 mode_mv_merge_probs(pre_fc->skip_probs[i], counts->skip[i]); 407 } 408 409 static void set_default_lf_deltas(struct loopfilter *lf) { 410 lf->mode_ref_delta_enabled = 1; 411 lf->mode_ref_delta_update = 1; 412 413 lf->ref_deltas[INTRA_FRAME] = 1; 414 lf->ref_deltas[LAST_FRAME] = 0; 415 lf->ref_deltas[GOLDEN_FRAME] = -1; 416 lf->ref_deltas[ALTREF_FRAME] = -1; 417 418 lf->mode_deltas[0] = 0; 419 lf->mode_deltas[1] = 0; 420 } 421 422 void vp9_setup_past_independence(VP9_COMMON *cm) { 423 // Reset the segment feature data to the default stats: 424 // Features disabled, 0, with delta coding (Default state). 425 struct loopfilter *const lf = &cm->lf; 426 427 int i; 428 vp9_clearall_segfeatures(&cm->seg); 429 cm->seg.abs_delta = SEGMENT_DELTADATA; 430 431 if (cm->last_frame_seg_map) 432 memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols)); 433 434 if (cm->current_frame_seg_map) 435 memset(cm->current_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols)); 436 437 // Reset the mode ref deltas for loop filter 438 vp9_zero(lf->last_ref_deltas); 439 vp9_zero(lf->last_mode_deltas); 440 set_default_lf_deltas(lf); 441 442 // To force update of the sharpness 443 lf->last_sharpness_level = -1; 444 445 vp9_default_coef_probs(cm); 446 init_mode_probs(cm->fc); 447 vp9_init_mv_probs(cm); 448 cm->fc->initialized = 1; 449 450 if (cm->frame_type == KEY_FRAME || cm->error_resilient_mode || 451 cm->reset_frame_context == 3) { 452 // Reset all frame contexts. 453 for (i = 0; i < FRAME_CONTEXTS; ++i) cm->frame_contexts[i] = *cm->fc; 454 } else if (cm->reset_frame_context == 2) { 455 // Reset only the frame context specified in the frame header. 456 cm->frame_contexts[cm->frame_context_idx] = *cm->fc; 457 } 458 459 // prev_mip will only be allocated in encoder. 460 if (frame_is_intra_only(cm) && cm->prev_mip) 461 memset(cm->prev_mip, 0, 462 cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->prev_mip)); 463 464 vp9_zero(cm->ref_frame_sign_bias); 465 466 cm->frame_context_idx = 0; 467 } 468
