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_alloccommon.h" 14 #include "vp9/common/vp9_onyxc_int.h" 15 #include "vp9/common/vp9_seg_common.h" 16 17 const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES] 18 [INTRA_MODES - 1] = { 19 { 144, 11, 54, 157, 195, 130, 46, 58, 108 } /* y = dc */, 20 { 118, 15, 123, 148, 131, 101, 44, 93, 131 } /* y = v */, 21 { 113, 12, 23, 188, 226, 142, 26, 32, 125 } /* y = h */, 22 { 120, 11, 50, 123, 163, 135, 64, 77, 103 } /* y = d45 */, 23 { 113, 9, 36, 155, 111, 157, 32, 44, 161 } /* y = d135 */, 24 { 116, 9, 55, 176, 76, 96, 37, 61, 149 } /* y = d117 */, 25 { 115, 9, 28, 141, 161, 167, 21, 25, 193 } /* y = d153 */, 26 { 120, 12, 32, 145, 195, 142, 32, 38, 86 } /* y = d207 */, 27 { 116, 12, 64, 120, 140, 125, 49, 115, 121 } /* y = d63 */, 28 { 102, 19, 66, 162, 182, 122, 35, 59, 128 } /* y = tm */ 29 }; 30 31 static const vp9_prob default_if_y_probs[BLOCK_SIZE_GROUPS] 32 [INTRA_MODES - 1] = { 33 { 65, 32, 18, 144, 162, 194, 41, 51, 98 } /* block_size < 8x8 */, 34 { 132, 68, 18, 165, 217, 196, 45, 40, 78 } /* block_size < 16x16 */, 35 { 173, 80, 19, 176, 240, 193, 64, 35, 46 } /* block_size < 32x32 */, 36 { 221, 135, 38, 194, 248, 121, 96, 85, 29 } /* block_size >= 32x32 */ 37 }; 38 39 static const vp9_prob default_if_uv_probs[INTRA_MODES] 40 [INTRA_MODES - 1] = { 41 { 120, 7, 76, 176, 208, 126, 28, 54, 103 } /* y = dc */, 42 { 48, 12, 154, 155, 139, 90, 34, 117, 119 } /* y = v */, 43 { 67, 6, 25, 204, 243, 158, 13, 21, 96 } /* y = h */, 44 { 97, 5, 44, 131, 176, 139, 48, 68, 97 } /* y = d45 */, 45 { 83, 5, 42, 156, 111, 152, 26, 49, 152 } /* y = d135 */, 46 { 80, 5, 58, 178, 74, 83, 33, 62, 145 } /* y = d117 */, 47 { 86, 5, 32, 154, 192, 168, 14, 22, 163 } /* y = d153 */, 48 { 85, 5, 32, 156, 216, 148, 19, 29, 73 } /* y = d207 */, 49 { 77, 7, 64, 116, 132, 122, 37, 126, 120 } /* y = d63 */, 50 { 101, 21, 107, 181, 192, 103, 19, 67, 125 } /* y = tm */ 51 }; 52 53 static const vp9_prob default_partition_probs[NUM_FRAME_TYPES] 54 [NUM_PARTITION_CONTEXTS] 55 [PARTITION_TYPES - 1] = { 56 { /* frame_type = keyframe */ 57 /* 8x8 -> 4x4 */ 58 { 158, 97, 94 } /* a/l both not split */, 59 { 93, 24, 99 } /* a split, l not split */, 60 { 85, 119, 44 } /* l split, a not split */, 61 { 62, 59, 67 } /* a/l both split */, 62 /* 16x16 -> 8x8 */ 63 { 149, 53, 53 } /* a/l both not split */, 64 { 94, 20, 48 } /* a split, l not split */, 65 { 83, 53, 24 } /* l split, a not split */, 66 { 52, 18, 18 } /* a/l both split */, 67 /* 32x32 -> 16x16 */ 68 { 150, 40, 39 } /* a/l both not split */, 69 { 78, 12, 26 } /* a split, l not split */, 70 { 67, 33, 11 } /* l split, a not split */, 71 { 24, 7, 5 } /* a/l both split */, 72 /* 64x64 -> 32x32 */ 73 { 174, 35, 49 } /* a/l both not split */, 74 { 68, 11, 27 } /* a split, l not split */, 75 { 57, 15, 9 } /* l split, a not split */, 76 { 12, 3, 3 } /* a/l both split */ 77 }, { /* frame_type = interframe */ 78 /* 8x8 -> 4x4 */ 79 { 199, 122, 141 } /* a/l both not split */, 80 { 147, 63, 159 } /* a split, l not split */, 81 { 148, 133, 118 } /* l split, a not split */, 82 { 121, 104, 114 } /* a/l both split */, 83 /* 16x16 -> 8x8 */ 84 { 174, 73, 87 } /* a/l both not split */, 85 { 92, 41, 83 } /* a split, l not split */, 86 { 82, 99, 50 } /* l split, a not split */, 87 { 53, 39, 39 } /* a/l both split */, 88 /* 32x32 -> 16x16 */ 89 { 177, 58, 59 } /* a/l both not split */, 90 { 68, 26, 63 } /* a split, l not split */, 91 { 52, 79, 25 } /* l split, a not split */, 92 { 17, 14, 12 } /* a/l both split */, 93 /* 64x64 -> 32x32 */ 94 { 222, 34, 30 } /* a/l both not split */, 95 { 72, 16, 44 } /* a split, l not split */, 96 { 58, 32, 12 } /* l split, a not split */, 97 { 10, 7, 6 } /* a/l both split */ 98 } 99 }; 100 101 const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES] 102 [INTRA_MODES] 103 [INTRA_MODES - 1] = { 104 { /* above = dc */ 105 { 137, 30, 42, 148, 151, 207, 70, 52, 91 } /* left = dc */, 106 { 92, 45, 102, 136, 116, 180, 74, 90, 100 } /* left = v */, 107 { 73, 32, 19, 187, 222, 215, 46, 34, 100 } /* left = h */, 108 { 91, 30, 32, 116, 121, 186, 93, 86, 94 } /* left = d45 */, 109 { 72, 35, 36, 149, 68, 206, 68, 63, 105 } /* left = d135 */, 110 { 73, 31, 28, 138, 57, 124, 55, 122, 151 } /* left = d117 */, 111 { 67, 23, 21, 140, 126, 197, 40, 37, 171 } /* left = d153 */, 112 { 86, 27, 28, 128, 154, 212, 45, 43, 53 } /* left = d207 */, 113 { 74, 32, 27, 107, 86, 160, 63, 134, 102 } /* left = d63 */, 114 { 59, 67, 44, 140, 161, 202, 78, 67, 119 } /* left = tm */ 115 }, { /* above = v */ 116 { 63, 36, 126, 146, 123, 158, 60, 90, 96 } /* left = dc */, 117 { 43, 46, 168, 134, 107, 128, 69, 142, 92 } /* left = v */, 118 { 44, 29, 68, 159, 201, 177, 50, 57, 77 } /* left = h */, 119 { 58, 38, 76, 114, 97, 172, 78, 133, 92 } /* left = d45 */, 120 { 46, 41, 76, 140, 63, 184, 69, 112, 57 } /* left = d135 */, 121 { 38, 32, 85, 140, 46, 112, 54, 151, 133 } /* left = d117 */, 122 { 39, 27, 61, 131, 110, 175, 44, 75, 136 } /* left = d153 */, 123 { 52, 30, 74, 113, 130, 175, 51, 64, 58 } /* left = d207 */, 124 { 47, 35, 80, 100, 74, 143, 64, 163, 74 } /* left = d63 */, 125 { 36, 61, 116, 114, 128, 162, 80, 125, 82 } /* left = tm */ 126 }, { /* above = h */ 127 { 82, 26, 26, 171, 208, 204, 44, 32, 105 } /* left = dc */, 128 { 55, 44, 68, 166, 179, 192, 57, 57, 108 } /* left = v */, 129 { 42, 26, 11, 199, 241, 228, 23, 15, 85 } /* left = h */, 130 { 68, 42, 19, 131, 160, 199, 55, 52, 83 } /* left = d45 */, 131 { 58, 50, 25, 139, 115, 232, 39, 52, 118 } /* left = d135 */, 132 { 50, 35, 33, 153, 104, 162, 64, 59, 131 } /* left = d117 */, 133 { 44, 24, 16, 150, 177, 202, 33, 19, 156 } /* left = d153 */, 134 { 55, 27, 12, 153, 203, 218, 26, 27, 49 } /* left = d207 */, 135 { 53, 49, 21, 110, 116, 168, 59, 80, 76 } /* left = d63 */, 136 { 38, 72, 19, 168, 203, 212, 50, 50, 107 } /* left = tm */ 137 }, { /* above = d45 */ 138 { 103, 26, 36, 129, 132, 201, 83, 80, 93 } /* left = dc */, 139 { 59, 38, 83, 112, 103, 162, 98, 136, 90 } /* left = v */, 140 { 62, 30, 23, 158, 200, 207, 59, 57, 50 } /* left = h */, 141 { 67, 30, 29, 84, 86, 191, 102, 91, 59 } /* left = d45 */, 142 { 60, 32, 33, 112, 71, 220, 64, 89, 104 } /* left = d135 */, 143 { 53, 26, 34, 130, 56, 149, 84, 120, 103 } /* left = d117 */, 144 { 53, 21, 23, 133, 109, 210, 56, 77, 172 } /* left = d153 */, 145 { 77, 19, 29, 112, 142, 228, 55, 66, 36 } /* left = d207 */, 146 { 61, 29, 29, 93, 97, 165, 83, 175, 162 } /* left = d63 */, 147 { 47, 47, 43, 114, 137, 181, 100, 99, 95 } /* left = tm */ 148 }, { /* above = d135 */ 149 { 69, 23, 29, 128, 83, 199, 46, 44, 101 } /* left = dc */, 150 { 53, 40, 55, 139, 69, 183, 61, 80, 110 } /* left = v */, 151 { 40, 29, 19, 161, 180, 207, 43, 24, 91 } /* left = h */, 152 { 60, 34, 19, 105, 61, 198, 53, 64, 89 } /* left = d45 */, 153 { 52, 31, 22, 158, 40, 209, 58, 62, 89 } /* left = d135 */, 154 { 44, 31, 29, 147, 46, 158, 56, 102, 198 } /* left = d117 */, 155 { 35, 19, 12, 135, 87, 209, 41, 45, 167 } /* left = d153 */, 156 { 55, 25, 21, 118, 95, 215, 38, 39, 66 } /* left = d207 */, 157 { 51, 38, 25, 113, 58, 164, 70, 93, 97 } /* left = d63 */, 158 { 47, 54, 34, 146, 108, 203, 72, 103, 151 } /* left = tm */ 159 }, { /* above = d117 */ 160 { 64, 19, 37, 156, 66, 138, 49, 95, 133 } /* left = dc */, 161 { 46, 27, 80, 150, 55, 124, 55, 121, 135 } /* left = v */, 162 { 36, 23, 27, 165, 149, 166, 54, 64, 118 } /* left = h */, 163 { 53, 21, 36, 131, 63, 163, 60, 109, 81 } /* left = d45 */, 164 { 40, 26, 35, 154, 40, 185, 51, 97, 123 } /* left = d135 */, 165 { 35, 19, 34, 179, 19, 97, 48, 129, 124 } /* left = d117 */, 166 { 36, 20, 26, 136, 62, 164, 33, 77, 154 } /* left = d153 */, 167 { 45, 18, 32, 130, 90, 157, 40, 79, 91 } /* left = d207 */, 168 { 45, 26, 28, 129, 45, 129, 49, 147, 123 } /* left = d63 */, 169 { 38, 44, 51, 136, 74, 162, 57, 97, 121 } /* left = tm */ 170 }, { /* above = d153 */ 171 { 75, 17, 22, 136, 138, 185, 32, 34, 166 } /* left = dc */, 172 { 56, 39, 58, 133, 117, 173, 48, 53, 187 } /* left = v */, 173 { 35, 21, 12, 161, 212, 207, 20, 23, 145 } /* left = h */, 174 { 56, 29, 19, 117, 109, 181, 55, 68, 112 } /* left = d45 */, 175 { 47, 29, 17, 153, 64, 220, 59, 51, 114 } /* left = d135 */, 176 { 46, 16, 24, 136, 76, 147, 41, 64, 172 } /* left = d117 */, 177 { 34, 17, 11, 108, 152, 187, 13, 15, 209 } /* left = d153 */, 178 { 51, 24, 14, 115, 133, 209, 32, 26, 104 } /* left = d207 */, 179 { 55, 30, 18, 122, 79, 179, 44, 88, 116 } /* left = d63 */, 180 { 37, 49, 25, 129, 168, 164, 41, 54, 148 } /* left = tm */ 181 }, { /* above = d207 */ 182 { 82, 22, 32, 127, 143, 213, 39, 41, 70 } /* left = dc */, 183 { 62, 44, 61, 123, 105, 189, 48, 57, 64 } /* left = v */, 184 { 47, 25, 17, 175, 222, 220, 24, 30, 86 } /* left = h */, 185 { 68, 36, 17, 106, 102, 206, 59, 74, 74 } /* left = d45 */, 186 { 57, 39, 23, 151, 68, 216, 55, 63, 58 } /* left = d135 */, 187 { 49, 30, 35, 141, 70, 168, 82, 40, 115 } /* left = d117 */, 188 { 51, 25, 15, 136, 129, 202, 38, 35, 139 } /* left = d153 */, 189 { 68, 26, 16, 111, 141, 215, 29, 28, 28 } /* left = d207 */, 190 { 59, 39, 19, 114, 75, 180, 77, 104, 42 } /* left = d63 */, 191 { 40, 61, 26, 126, 152, 206, 61, 59, 93 } /* left = tm */ 192 }, { /* above = d63 */ 193 { 78, 23, 39, 111, 117, 170, 74, 124, 94 } /* left = dc */, 194 { 48, 34, 86, 101, 92, 146, 78, 179, 134 } /* left = v */, 195 { 47, 22, 24, 138, 187, 178, 68, 69, 59 } /* left = h */, 196 { 56, 25, 33, 105, 112, 187, 95, 177, 129 } /* left = d45 */, 197 { 48, 31, 27, 114, 63, 183, 82, 116, 56 } /* left = d135 */, 198 { 43, 28, 37, 121, 63, 123, 61, 192, 169 } /* left = d117 */, 199 { 42, 17, 24, 109, 97, 177, 56, 76, 122 } /* left = d153 */, 200 { 58, 18, 28, 105, 139, 182, 70, 92, 63 } /* left = d207 */, 201 { 46, 23, 32, 74, 86, 150, 67, 183, 88 } /* left = d63 */, 202 { 36, 38, 48, 92, 122, 165, 88, 137, 91 } /* left = tm */ 203 }, { /* above = tm */ 204 { 65, 70, 60, 155, 159, 199, 61, 60, 81 } /* left = dc */, 205 { 44, 78, 115, 132, 119, 173, 71, 112, 93 } /* left = v */, 206 { 39, 38, 21, 184, 227, 206, 42, 32, 64 } /* left = h */, 207 { 58, 47, 36, 124, 137, 193, 80, 82, 78 } /* left = d45 */, 208 { 49, 50, 35, 144, 95, 205, 63, 78, 59 } /* left = d135 */, 209 { 41, 53, 52, 148, 71, 142, 65, 128, 51 } /* left = d117 */, 210 { 40, 36, 28, 143, 143, 202, 40, 55, 137 } /* left = d153 */, 211 { 52, 34, 29, 129, 183, 227, 42, 35, 43 } /* left = d207 */, 212 { 42, 44, 44, 104, 105, 164, 64, 130, 80 } /* left = d63 */, 213 { 43, 81, 53, 140, 169, 204, 68, 84, 72 } /* left = tm */ 214 } 215 }; 216 217 static const vp9_prob default_inter_mode_probs[INTER_MODE_CONTEXTS] 218 [INTER_MODES - 1] = { 219 {2, 173, 34}, // 0 = both zero mv 220 {7, 145, 85}, // 1 = one zero mv + one a predicted mv 221 {7, 166, 63}, // 2 = two predicted mvs 222 {7, 94, 66}, // 3 = one predicted/zero and one new mv 223 {8, 64, 46}, // 4 = two new mvs 224 {17, 81, 31}, // 5 = one intra neighbour + x 225 {25, 29, 30}, // 6 = two intra neighbours 226 }; 227 228 /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */ 229 const vp9_tree_index vp9_intra_mode_tree[INTRA_MODES * 2 - 2] = { 230 -DC_PRED, 2, /* 0 = DC_NODE */ 231 -TM_PRED, 4, /* 1 = TM_NODE */ 232 -V_PRED, 6, /* 2 = V_NODE */ 233 8, 12, /* 3 = COM_NODE */ 234 -H_PRED, 10, /* 4 = H_NODE */ 235 -D135_PRED, -D117_PRED, /* 5 = D135_NODE */ 236 -D45_PRED, 14, /* 6 = D45_NODE */ 237 -D63_PRED, 16, /* 7 = D63_NODE */ 238 -D153_PRED, -D207_PRED /* 8 = D153_NODE */ 239 }; 240 241 const vp9_tree_index vp9_inter_mode_tree[6] = { 242 -ZEROMV, 2, 243 -NEARESTMV, 4, 244 -NEARMV, -NEWMV 245 }; 246 247 const vp9_tree_index vp9_partition_tree[6] = { 248 -PARTITION_NONE, 2, 249 -PARTITION_HORZ, 4, 250 -PARTITION_VERT, -PARTITION_SPLIT 251 }; 252 253 struct vp9_token vp9_intra_mode_encodings[INTRA_MODES]; 254 struct vp9_token vp9_inter_mode_encodings[INTER_MODES]; 255 256 struct vp9_token vp9_partition_encodings[PARTITION_TYPES]; 257 258 static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = { 259 9, 102, 187, 225 260 }; 261 262 static const vp9_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = { 263 239, 183, 119, 96, 41 264 }; 265 266 static const vp9_prob default_comp_ref_p[REF_CONTEXTS] = { 267 50, 126, 123, 221, 226 268 }; 269 270 static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = { 271 { 33, 16 }, 272 { 77, 74 }, 273 { 142, 142 }, 274 { 172, 170 }, 275 { 238, 247 } 276 }; 277 278 static const struct tx_probs default_tx_probs = { 279 { { 3, 136, 37 }, 280 { 5, 52, 13 } }, 281 282 { { 20, 152 }, 283 { 15, 101 } }, 284 285 { { 100 }, 286 { 66 } } 287 }; 288 289 void tx_counts_to_branch_counts_32x32(unsigned int *tx_count_32x32p, 290 unsigned int (*ct_32x32p)[2]) { 291 ct_32x32p[0][0] = tx_count_32x32p[TX_4X4]; 292 ct_32x32p[0][1] = tx_count_32x32p[TX_8X8] + 293 tx_count_32x32p[TX_16X16] + 294 tx_count_32x32p[TX_32X32]; 295 ct_32x32p[1][0] = tx_count_32x32p[TX_8X8]; 296 ct_32x32p[1][1] = tx_count_32x32p[TX_16X16] + 297 tx_count_32x32p[TX_32X32]; 298 ct_32x32p[2][0] = tx_count_32x32p[TX_16X16]; 299 ct_32x32p[2][1] = tx_count_32x32p[TX_32X32]; 300 } 301 302 void tx_counts_to_branch_counts_16x16(unsigned int *tx_count_16x16p, 303 unsigned int (*ct_16x16p)[2]) { 304 ct_16x16p[0][0] = tx_count_16x16p[TX_4X4]; 305 ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16]; 306 ct_16x16p[1][0] = tx_count_16x16p[TX_8X8]; 307 ct_16x16p[1][1] = tx_count_16x16p[TX_16X16]; 308 } 309 310 void tx_counts_to_branch_counts_8x8(unsigned int *tx_count_8x8p, 311 unsigned int (*ct_8x8p)[2]) { 312 ct_8x8p[0][0] = tx_count_8x8p[TX_4X4]; 313 ct_8x8p[0][1] = tx_count_8x8p[TX_8X8]; 314 } 315 316 static const vp9_prob default_mbskip_probs[MBSKIP_CONTEXTS] = { 317 192, 128, 64 318 }; 319 320 static const vp9_prob default_switchable_interp_prob[SWITCHABLE_FILTERS+1] 321 [SWITCHABLE_FILTERS-1] = { 322 { 235, 162, }, 323 { 36, 255, }, 324 { 34, 3, }, 325 { 149, 144, }, 326 }; 327 328 void vp9_init_mbmode_probs(VP9_COMMON *cm) { 329 vp9_copy(cm->fc.uv_mode_prob, default_if_uv_probs); 330 vp9_copy(cm->fc.y_mode_prob, default_if_y_probs); 331 vp9_copy(cm->fc.switchable_interp_prob, default_switchable_interp_prob); 332 vp9_copy(cm->fc.partition_prob, default_partition_probs); 333 vp9_copy(cm->fc.intra_inter_prob, default_intra_inter_p); 334 vp9_copy(cm->fc.comp_inter_prob, default_comp_inter_p); 335 vp9_copy(cm->fc.comp_ref_prob, default_comp_ref_p); 336 vp9_copy(cm->fc.single_ref_prob, default_single_ref_p); 337 cm->fc.tx_probs = default_tx_probs; 338 vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs); 339 } 340 341 const vp9_tree_index vp9_switchable_interp_tree[SWITCHABLE_FILTERS*2-2] = { 342 -EIGHTTAP, 2, 343 -EIGHTTAP_SMOOTH, -EIGHTTAP_SHARP 344 }; 345 struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS]; 346 347 void vp9_entropy_mode_init() { 348 vp9_tokens_from_tree(vp9_intra_mode_encodings, vp9_intra_mode_tree); 349 vp9_tokens_from_tree(vp9_switchable_interp_encodings, 350 vp9_switchable_interp_tree); 351 vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree); 352 vp9_tokens_from_tree_offset(vp9_inter_mode_encodings, 353 vp9_inter_mode_tree, NEARESTMV); 354 } 355 356 #define COUNT_SAT 20 357 #define MAX_UPDATE_FACTOR 128 358 359 static int update_ct(vp9_prob pre_prob, vp9_prob prob, unsigned int ct[2]) { 360 return merge_probs(pre_prob, prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR); 361 } 362 363 static int update_ct2(vp9_prob pre_prob, unsigned int ct[2]) { 364 return merge_probs2(pre_prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR); 365 } 366 367 static void update_mode_probs(int n_modes, 368 const vp9_tree_index *tree, unsigned int *cnt, 369 vp9_prob *pre_probs, vp9_prob *dst_probs, 370 unsigned int tok0_offset) { 371 #define MAX_PROBS 32 372 vp9_prob probs[MAX_PROBS]; 373 unsigned int branch_ct[MAX_PROBS][2]; 374 int t; 375 376 assert(n_modes - 1 < MAX_PROBS); 377 vp9_tree_probs_from_distribution(tree, probs, branch_ct, cnt, tok0_offset); 378 for (t = 0; t < n_modes - 1; ++t) 379 dst_probs[t] = update_ct(pre_probs[t], probs[t], branch_ct[t]); 380 } 381 382 void vp9_adapt_mode_probs(VP9_COMMON *cm) { 383 int i, j; 384 FRAME_CONTEXT *fc = &cm->fc; 385 FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx]; 386 FRAME_COUNTS *counts = &cm->counts; 387 388 for (i = 0; i < INTRA_INTER_CONTEXTS; i++) 389 fc->intra_inter_prob[i] = update_ct2(pre_fc->intra_inter_prob[i], 390 counts->intra_inter[i]); 391 for (i = 0; i < COMP_INTER_CONTEXTS; i++) 392 fc->comp_inter_prob[i] = update_ct2(pre_fc->comp_inter_prob[i], 393 counts->comp_inter[i]); 394 for (i = 0; i < REF_CONTEXTS; i++) 395 fc->comp_ref_prob[i] = update_ct2(pre_fc->comp_ref_prob[i], 396 counts->comp_ref[i]); 397 for (i = 0; i < REF_CONTEXTS; i++) 398 for (j = 0; j < 2; j++) 399 fc->single_ref_prob[i][j] = update_ct2(pre_fc->single_ref_prob[i][j], 400 counts->single_ref[i][j]); 401 402 for (i = 0; i < INTER_MODE_CONTEXTS; i++) 403 update_mode_probs(INTER_MODES, vp9_inter_mode_tree, 404 counts->inter_mode[i], pre_fc->inter_mode_probs[i], 405 fc->inter_mode_probs[i], NEARESTMV); 406 407 for (i = 0; i < BLOCK_SIZE_GROUPS; i++) 408 update_mode_probs(INTRA_MODES, vp9_intra_mode_tree, 409 counts->y_mode[i], pre_fc->y_mode_prob[i], 410 fc->y_mode_prob[i], 0); 411 412 for (i = 0; i < INTRA_MODES; ++i) 413 update_mode_probs(INTRA_MODES, vp9_intra_mode_tree, 414 counts->uv_mode[i], pre_fc->uv_mode_prob[i], 415 fc->uv_mode_prob[i], 0); 416 417 for (i = 0; i < NUM_PARTITION_CONTEXTS; i++) 418 update_mode_probs(PARTITION_TYPES, vp9_partition_tree, 419 counts->partition[i], 420 pre_fc->partition_prob[INTER_FRAME][i], 421 fc->partition_prob[INTER_FRAME][i], 0); 422 423 if (cm->mcomp_filter_type == SWITCHABLE) { 424 for (i = 0; i <= SWITCHABLE_FILTERS; i++) 425 update_mode_probs(SWITCHABLE_FILTERS, vp9_switchable_interp_tree, 426 counts->switchable_interp[i], 427 pre_fc->switchable_interp_prob[i], 428 fc->switchable_interp_prob[i], 0); 429 } 430 431 if (cm->tx_mode == TX_MODE_SELECT) { 432 int j; 433 unsigned int branch_ct_8x8p[TX_SIZES - 3][2]; 434 unsigned int branch_ct_16x16p[TX_SIZES - 2][2]; 435 unsigned int branch_ct_32x32p[TX_SIZES - 1][2]; 436 437 for (i = 0; i < TX_SIZE_CONTEXTS; ++i) { 438 tx_counts_to_branch_counts_8x8(counts->tx.p8x8[i], branch_ct_8x8p); 439 for (j = 0; j < TX_SIZES - 3; ++j) 440 fc->tx_probs.p8x8[i][j] = update_ct2(pre_fc->tx_probs.p8x8[i][j], 441 branch_ct_8x8p[j]); 442 443 tx_counts_to_branch_counts_16x16(counts->tx.p16x16[i], branch_ct_16x16p); 444 for (j = 0; j < TX_SIZES - 2; ++j) 445 fc->tx_probs.p16x16[i][j] = update_ct2(pre_fc->tx_probs.p16x16[i][j], 446 branch_ct_16x16p[j]); 447 448 tx_counts_to_branch_counts_32x32(counts->tx.p32x32[i], branch_ct_32x32p); 449 for (j = 0; j < TX_SIZES - 1; ++j) 450 fc->tx_probs.p32x32[i][j] = update_ct2(pre_fc->tx_probs.p32x32[i][j], 451 branch_ct_32x32p[j]); 452 } 453 } 454 455 for (i = 0; i < MBSKIP_CONTEXTS; ++i) 456 fc->mbskip_probs[i] = update_ct2(pre_fc->mbskip_probs[i], 457 counts->mbskip[i]); 458 } 459 460 static void set_default_lf_deltas(struct loopfilter *lf) { 461 lf->mode_ref_delta_enabled = 1; 462 lf->mode_ref_delta_update = 1; 463 464 lf->ref_deltas[INTRA_FRAME] = 1; 465 lf->ref_deltas[LAST_FRAME] = 0; 466 lf->ref_deltas[GOLDEN_FRAME] = -1; 467 lf->ref_deltas[ALTREF_FRAME] = -1; 468 469 lf->mode_deltas[0] = 0; 470 lf->mode_deltas[1] = 0; 471 } 472 473 void vp9_setup_past_independence(VP9_COMMON *cm) { 474 // Reset the segment feature data to the default stats: 475 // Features disabled, 0, with delta coding (Default state). 476 struct loopfilter *const lf = &cm->lf; 477 478 int i; 479 vp9_clearall_segfeatures(&cm->seg); 480 cm->seg.abs_delta = SEGMENT_DELTADATA; 481 if (cm->last_frame_seg_map) 482 vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols)); 483 484 // Reset the mode ref deltas for loop filter 485 vp9_zero(lf->last_ref_deltas); 486 vp9_zero(lf->last_mode_deltas); 487 set_default_lf_deltas(lf); 488 489 // To force update of the sharpness 490 lf->last_sharpness_level = -1; 491 492 vp9_default_coef_probs(cm); 493 vp9_init_mbmode_probs(cm); 494 vp9_init_mv_probs(cm); 495 vp9_copy(cm->fc.inter_mode_probs, default_inter_mode_probs); 496 497 if (cm->frame_type == KEY_FRAME || 498 cm->error_resilient_mode || cm->reset_frame_context == 3) { 499 // Reset all frame contexts. 500 for (i = 0; i < NUM_FRAME_CONTEXTS; ++i) 501 cm->frame_contexts[i] = cm->fc; 502 } else if (cm->reset_frame_context == 2) { 503 // Reset only the frame context specified in the frame header. 504 cm->frame_contexts[cm->frame_context_idx] = cm->fc; 505 } 506 507 vpx_memset(cm->prev_mip, 0, 508 cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); 509 vpx_memset(cm->mip, 0, 510 cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO)); 511 512 vp9_update_mode_info_border(cm, cm->mip); 513 vp9_update_mode_info_border(cm, cm->prev_mip); 514 515 vp9_zero(cm->ref_frame_sign_bias); 516 517 cm->frame_context_idx = 0; 518 } 519
