1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/common/vp9_entropymode.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,492 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#include "vpx_mem/vpx_mem.h"
1.15 +
1.16 +#include "vp9/common/vp9_alloccommon.h"
1.17 +#include "vp9/common/vp9_onyxc_int.h"
1.18 +#include "vp9/common/vp9_seg_common.h"
1.19 +
1.20 +const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1] = {
1.21 + { // above = dc
1.22 + { 137, 30, 42, 148, 151, 207, 70, 52, 91 }, // left = dc
1.23 + { 92, 45, 102, 136, 116, 180, 74, 90, 100 }, // left = v
1.24 + { 73, 32, 19, 187, 222, 215, 46, 34, 100 }, // left = h
1.25 + { 91, 30, 32, 116, 121, 186, 93, 86, 94 }, // left = d45
1.26 + { 72, 35, 36, 149, 68, 206, 68, 63, 105 }, // left = d135
1.27 + { 73, 31, 28, 138, 57, 124, 55, 122, 151 }, // left = d117
1.28 + { 67, 23, 21, 140, 126, 197, 40, 37, 171 }, // left = d153
1.29 + { 86, 27, 28, 128, 154, 212, 45, 43, 53 }, // left = d207
1.30 + { 74, 32, 27, 107, 86, 160, 63, 134, 102 }, // left = d63
1.31 + { 59, 67, 44, 140, 161, 202, 78, 67, 119 } // left = tm
1.32 + }, { // above = v
1.33 + { 63, 36, 126, 146, 123, 158, 60, 90, 96 }, // left = dc
1.34 + { 43, 46, 168, 134, 107, 128, 69, 142, 92 }, // left = v
1.35 + { 44, 29, 68, 159, 201, 177, 50, 57, 77 }, // left = h
1.36 + { 58, 38, 76, 114, 97, 172, 78, 133, 92 }, // left = d45
1.37 + { 46, 41, 76, 140, 63, 184, 69, 112, 57 }, // left = d135
1.38 + { 38, 32, 85, 140, 46, 112, 54, 151, 133 }, // left = d117
1.39 + { 39, 27, 61, 131, 110, 175, 44, 75, 136 }, // left = d153
1.40 + { 52, 30, 74, 113, 130, 175, 51, 64, 58 }, // left = d207
1.41 + { 47, 35, 80, 100, 74, 143, 64, 163, 74 }, // left = d63
1.42 + { 36, 61, 116, 114, 128, 162, 80, 125, 82 } // left = tm
1.43 + }, { // above = h
1.44 + { 82, 26, 26, 171, 208, 204, 44, 32, 105 }, // left = dc
1.45 + { 55, 44, 68, 166, 179, 192, 57, 57, 108 }, // left = v
1.46 + { 42, 26, 11, 199, 241, 228, 23, 15, 85 }, // left = h
1.47 + { 68, 42, 19, 131, 160, 199, 55, 52, 83 }, // left = d45
1.48 + { 58, 50, 25, 139, 115, 232, 39, 52, 118 }, // left = d135
1.49 + { 50, 35, 33, 153, 104, 162, 64, 59, 131 }, // left = d117
1.50 + { 44, 24, 16, 150, 177, 202, 33, 19, 156 }, // left = d153
1.51 + { 55, 27, 12, 153, 203, 218, 26, 27, 49 }, // left = d207
1.52 + { 53, 49, 21, 110, 116, 168, 59, 80, 76 }, // left = d63
1.53 + { 38, 72, 19, 168, 203, 212, 50, 50, 107 } // left = tm
1.54 + }, { // above = d45
1.55 + { 103, 26, 36, 129, 132, 201, 83, 80, 93 }, // left = dc
1.56 + { 59, 38, 83, 112, 103, 162, 98, 136, 90 }, // left = v
1.57 + { 62, 30, 23, 158, 200, 207, 59, 57, 50 }, // left = h
1.58 + { 67, 30, 29, 84, 86, 191, 102, 91, 59 }, // left = d45
1.59 + { 60, 32, 33, 112, 71, 220, 64, 89, 104 }, // left = d135
1.60 + { 53, 26, 34, 130, 56, 149, 84, 120, 103 }, // left = d117
1.61 + { 53, 21, 23, 133, 109, 210, 56, 77, 172 }, // left = d153
1.62 + { 77, 19, 29, 112, 142, 228, 55, 66, 36 }, // left = d207
1.63 + { 61, 29, 29, 93, 97, 165, 83, 175, 162 }, // left = d63
1.64 + { 47, 47, 43, 114, 137, 181, 100, 99, 95 } // left = tm
1.65 + }, { // above = d135
1.66 + { 69, 23, 29, 128, 83, 199, 46, 44, 101 }, // left = dc
1.67 + { 53, 40, 55, 139, 69, 183, 61, 80, 110 }, // left = v
1.68 + { 40, 29, 19, 161, 180, 207, 43, 24, 91 }, // left = h
1.69 + { 60, 34, 19, 105, 61, 198, 53, 64, 89 }, // left = d45
1.70 + { 52, 31, 22, 158, 40, 209, 58, 62, 89 }, // left = d135
1.71 + { 44, 31, 29, 147, 46, 158, 56, 102, 198 }, // left = d117
1.72 + { 35, 19, 12, 135, 87, 209, 41, 45, 167 }, // left = d153
1.73 + { 55, 25, 21, 118, 95, 215, 38, 39, 66 }, // left = d207
1.74 + { 51, 38, 25, 113, 58, 164, 70, 93, 97 }, // left = d63
1.75 + { 47, 54, 34, 146, 108, 203, 72, 103, 151 } // left = tm
1.76 + }, { // above = d117
1.77 + { 64, 19, 37, 156, 66, 138, 49, 95, 133 }, // left = dc
1.78 + { 46, 27, 80, 150, 55, 124, 55, 121, 135 }, // left = v
1.79 + { 36, 23, 27, 165, 149, 166, 54, 64, 118 }, // left = h
1.80 + { 53, 21, 36, 131, 63, 163, 60, 109, 81 }, // left = d45
1.81 + { 40, 26, 35, 154, 40, 185, 51, 97, 123 }, // left = d135
1.82 + { 35, 19, 34, 179, 19, 97, 48, 129, 124 }, // left = d117
1.83 + { 36, 20, 26, 136, 62, 164, 33, 77, 154 }, // left = d153
1.84 + { 45, 18, 32, 130, 90, 157, 40, 79, 91 }, // left = d207
1.85 + { 45, 26, 28, 129, 45, 129, 49, 147, 123 }, // left = d63
1.86 + { 38, 44, 51, 136, 74, 162, 57, 97, 121 } // left = tm
1.87 + }, { // above = d153
1.88 + { 75, 17, 22, 136, 138, 185, 32, 34, 166 }, // left = dc
1.89 + { 56, 39, 58, 133, 117, 173, 48, 53, 187 }, // left = v
1.90 + { 35, 21, 12, 161, 212, 207, 20, 23, 145 }, // left = h
1.91 + { 56, 29, 19, 117, 109, 181, 55, 68, 112 }, // left = d45
1.92 + { 47, 29, 17, 153, 64, 220, 59, 51, 114 }, // left = d135
1.93 + { 46, 16, 24, 136, 76, 147, 41, 64, 172 }, // left = d117
1.94 + { 34, 17, 11, 108, 152, 187, 13, 15, 209 }, // left = d153
1.95 + { 51, 24, 14, 115, 133, 209, 32, 26, 104 }, // left = d207
1.96 + { 55, 30, 18, 122, 79, 179, 44, 88, 116 }, // left = d63
1.97 + { 37, 49, 25, 129, 168, 164, 41, 54, 148 } // left = tm
1.98 + }, { // above = d207
1.99 + { 82, 22, 32, 127, 143, 213, 39, 41, 70 }, // left = dc
1.100 + { 62, 44, 61, 123, 105, 189, 48, 57, 64 }, // left = v
1.101 + { 47, 25, 17, 175, 222, 220, 24, 30, 86 }, // left = h
1.102 + { 68, 36, 17, 106, 102, 206, 59, 74, 74 }, // left = d45
1.103 + { 57, 39, 23, 151, 68, 216, 55, 63, 58 }, // left = d135
1.104 + { 49, 30, 35, 141, 70, 168, 82, 40, 115 }, // left = d117
1.105 + { 51, 25, 15, 136, 129, 202, 38, 35, 139 }, // left = d153
1.106 + { 68, 26, 16, 111, 141, 215, 29, 28, 28 }, // left = d207
1.107 + { 59, 39, 19, 114, 75, 180, 77, 104, 42 }, // left = d63
1.108 + { 40, 61, 26, 126, 152, 206, 61, 59, 93 } // left = tm
1.109 + }, { // above = d63
1.110 + { 78, 23, 39, 111, 117, 170, 74, 124, 94 }, // left = dc
1.111 + { 48, 34, 86, 101, 92, 146, 78, 179, 134 }, // left = v
1.112 + { 47, 22, 24, 138, 187, 178, 68, 69, 59 }, // left = h
1.113 + { 56, 25, 33, 105, 112, 187, 95, 177, 129 }, // left = d45
1.114 + { 48, 31, 27, 114, 63, 183, 82, 116, 56 }, // left = d135
1.115 + { 43, 28, 37, 121, 63, 123, 61, 192, 169 }, // left = d117
1.116 + { 42, 17, 24, 109, 97, 177, 56, 76, 122 }, // left = d153
1.117 + { 58, 18, 28, 105, 139, 182, 70, 92, 63 }, // left = d207
1.118 + { 46, 23, 32, 74, 86, 150, 67, 183, 88 }, // left = d63
1.119 + { 36, 38, 48, 92, 122, 165, 88, 137, 91 } // left = tm
1.120 + }, { // above = tm
1.121 + { 65, 70, 60, 155, 159, 199, 61, 60, 81 }, // left = dc
1.122 + { 44, 78, 115, 132, 119, 173, 71, 112, 93 }, // left = v
1.123 + { 39, 38, 21, 184, 227, 206, 42, 32, 64 }, // left = h
1.124 + { 58, 47, 36, 124, 137, 193, 80, 82, 78 }, // left = d45
1.125 + { 49, 50, 35, 144, 95, 205, 63, 78, 59 }, // left = d135
1.126 + { 41, 53, 52, 148, 71, 142, 65, 128, 51 }, // left = d117
1.127 + { 40, 36, 28, 143, 143, 202, 40, 55, 137 }, // left = d153
1.128 + { 52, 34, 29, 129, 183, 227, 42, 35, 43 }, // left = d207
1.129 + { 42, 44, 44, 104, 105, 164, 64, 130, 80 }, // left = d63
1.130 + { 43, 81, 53, 140, 169, 204, 68, 84, 72 } // left = tm
1.131 + }
1.132 +};
1.133 +
1.134 +const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1] = {
1.135 + { 144, 11, 54, 157, 195, 130, 46, 58, 108 }, // y = dc
1.136 + { 118, 15, 123, 148, 131, 101, 44, 93, 131 }, // y = v
1.137 + { 113, 12, 23, 188, 226, 142, 26, 32, 125 }, // y = h
1.138 + { 120, 11, 50, 123, 163, 135, 64, 77, 103 }, // y = d45
1.139 + { 113, 9, 36, 155, 111, 157, 32, 44, 161 }, // y = d135
1.140 + { 116, 9, 55, 176, 76, 96, 37, 61, 149 }, // y = d117
1.141 + { 115, 9, 28, 141, 161, 167, 21, 25, 193 }, // y = d153
1.142 + { 120, 12, 32, 145, 195, 142, 32, 38, 86 }, // y = d207
1.143 + { 116, 12, 64, 120, 140, 125, 49, 115, 121 }, // y = d63
1.144 + { 102, 19, 66, 162, 182, 122, 35, 59, 128 } // y = tm
1.145 +};
1.146 +
1.147 +static const vp9_prob default_if_y_probs[BLOCK_SIZE_GROUPS][INTRA_MODES - 1] = {
1.148 + { 65, 32, 18, 144, 162, 194, 41, 51, 98 }, // block_size < 8x8
1.149 + { 132, 68, 18, 165, 217, 196, 45, 40, 78 }, // block_size < 16x16
1.150 + { 173, 80, 19, 176, 240, 193, 64, 35, 46 }, // block_size < 32x32
1.151 + { 221, 135, 38, 194, 248, 121, 96, 85, 29 } // block_size >= 32x32
1.152 +};
1.153 +
1.154 +static const vp9_prob default_if_uv_probs[INTRA_MODES][INTRA_MODES - 1] = {
1.155 + { 120, 7, 76, 176, 208, 126, 28, 54, 103 }, // y = dc
1.156 + { 48, 12, 154, 155, 139, 90, 34, 117, 119 }, // y = v
1.157 + { 67, 6, 25, 204, 243, 158, 13, 21, 96 }, // y = h
1.158 + { 97, 5, 44, 131, 176, 139, 48, 68, 97 }, // y = d45
1.159 + { 83, 5, 42, 156, 111, 152, 26, 49, 152 }, // y = d135
1.160 + { 80, 5, 58, 178, 74, 83, 33, 62, 145 }, // y = d117
1.161 + { 86, 5, 32, 154, 192, 168, 14, 22, 163 }, // y = d153
1.162 + { 85, 5, 32, 156, 216, 148, 19, 29, 73 }, // y = d207
1.163 + { 77, 7, 64, 116, 132, 122, 37, 126, 120 }, // y = d63
1.164 + { 101, 21, 107, 181, 192, 103, 19, 67, 125 } // y = tm
1.165 +};
1.166 +
1.167 +const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
1.168 + [PARTITION_TYPES - 1] = {
1.169 + // 8x8 -> 4x4
1.170 + { 158, 97, 94 }, // a/l both not split
1.171 + { 93, 24, 99 }, // a split, l not split
1.172 + { 85, 119, 44 }, // l split, a not split
1.173 + { 62, 59, 67 }, // a/l both split
1.174 + // 16x16 -> 8x8
1.175 + { 149, 53, 53 }, // a/l both not split
1.176 + { 94, 20, 48 }, // a split, l not split
1.177 + { 83, 53, 24 }, // l split, a not split
1.178 + { 52, 18, 18 }, // a/l both split
1.179 + // 32x32 -> 16x16
1.180 + { 150, 40, 39 }, // a/l both not split
1.181 + { 78, 12, 26 }, // a split, l not split
1.182 + { 67, 33, 11 }, // l split, a not split
1.183 + { 24, 7, 5 }, // a/l both split
1.184 + // 64x64 -> 32x32
1.185 + { 174, 35, 49 }, // a/l both not split
1.186 + { 68, 11, 27 }, // a split, l not split
1.187 + { 57, 15, 9 }, // l split, a not split
1.188 + { 12, 3, 3 }, // a/l both split
1.189 +};
1.190 +
1.191 +static const vp9_prob default_partition_probs[PARTITION_CONTEXTS]
1.192 + [PARTITION_TYPES - 1] = {
1.193 + // 8x8 -> 4x4
1.194 + { 199, 122, 141 }, // a/l both not split
1.195 + { 147, 63, 159 }, // a split, l not split
1.196 + { 148, 133, 118 }, // l split, a not split
1.197 + { 121, 104, 114 }, // a/l both split
1.198 + // 16x16 -> 8x8
1.199 + { 174, 73, 87 }, // a/l both not split
1.200 + { 92, 41, 83 }, // a split, l not split
1.201 + { 82, 99, 50 }, // l split, a not split
1.202 + { 53, 39, 39 }, // a/l both split
1.203 + // 32x32 -> 16x16
1.204 + { 177, 58, 59 }, // a/l both not split
1.205 + { 68, 26, 63 }, // a split, l not split
1.206 + { 52, 79, 25 }, // l split, a not split
1.207 + { 17, 14, 12 }, // a/l both split
1.208 + // 64x64 -> 32x32
1.209 + { 222, 34, 30 }, // a/l both not split
1.210 + { 72, 16, 44 }, // a split, l not split
1.211 + { 58, 32, 12 }, // l split, a not split
1.212 + { 10, 7, 6 }, // a/l both split
1.213 +};
1.214 +
1.215 +static const vp9_prob default_inter_mode_probs[INTER_MODE_CONTEXTS]
1.216 + [INTER_MODES - 1] = {
1.217 + {2, 173, 34}, // 0 = both zero mv
1.218 + {7, 145, 85}, // 1 = one zero mv + one a predicted mv
1.219 + {7, 166, 63}, // 2 = two predicted mvs
1.220 + {7, 94, 66}, // 3 = one predicted/zero and one new mv
1.221 + {8, 64, 46}, // 4 = two new mvs
1.222 + {17, 81, 31}, // 5 = one intra neighbour + x
1.223 + {25, 29, 30}, // 6 = two intra neighbours
1.224 +};
1.225 +
1.226 +/* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
1.227 +const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)] = {
1.228 + -DC_PRED, 2, /* 0 = DC_NODE */
1.229 + -TM_PRED, 4, /* 1 = TM_NODE */
1.230 + -V_PRED, 6, /* 2 = V_NODE */
1.231 + 8, 12, /* 3 = COM_NODE */
1.232 + -H_PRED, 10, /* 4 = H_NODE */
1.233 + -D135_PRED, -D117_PRED, /* 5 = D135_NODE */
1.234 + -D45_PRED, 14, /* 6 = D45_NODE */
1.235 + -D63_PRED, 16, /* 7 = D63_NODE */
1.236 + -D153_PRED, -D207_PRED /* 8 = D153_NODE */
1.237 +};
1.238 +struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
1.239 +
1.240 +const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)] = {
1.241 + -INTER_OFFSET(ZEROMV), 2,
1.242 + -INTER_OFFSET(NEARESTMV), 4,
1.243 + -INTER_OFFSET(NEARMV), -INTER_OFFSET(NEWMV)
1.244 +};
1.245 +struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
1.246 +
1.247 +const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)] = {
1.248 + -PARTITION_NONE, 2,
1.249 + -PARTITION_HORZ, 4,
1.250 + -PARTITION_VERT, -PARTITION_SPLIT
1.251 +};
1.252 +struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
1.253 +
1.254 +static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
1.255 + 9, 102, 187, 225
1.256 +};
1.257 +
1.258 +static const vp9_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = {
1.259 + 239, 183, 119, 96, 41
1.260 +};
1.261 +
1.262 +static const vp9_prob default_comp_ref_p[REF_CONTEXTS] = {
1.263 + 50, 126, 123, 221, 226
1.264 +};
1.265 +
1.266 +static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = {
1.267 + { 33, 16 },
1.268 + { 77, 74 },
1.269 + { 142, 142 },
1.270 + { 172, 170 },
1.271 + { 238, 247 }
1.272 +};
1.273 +
1.274 +static const struct tx_probs default_tx_probs = {
1.275 + { { 3, 136, 37 },
1.276 + { 5, 52, 13 } },
1.277 +
1.278 + { { 20, 152 },
1.279 + { 15, 101 } },
1.280 +
1.281 + { { 100 },
1.282 + { 66 } }
1.283 +};
1.284 +
1.285 +void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
1.286 + unsigned int (*ct_32x32p)[2]) {
1.287 + ct_32x32p[0][0] = tx_count_32x32p[TX_4X4];
1.288 + ct_32x32p[0][1] = tx_count_32x32p[TX_8X8] +
1.289 + tx_count_32x32p[TX_16X16] +
1.290 + tx_count_32x32p[TX_32X32];
1.291 + ct_32x32p[1][0] = tx_count_32x32p[TX_8X8];
1.292 + ct_32x32p[1][1] = tx_count_32x32p[TX_16X16] +
1.293 + tx_count_32x32p[TX_32X32];
1.294 + ct_32x32p[2][0] = tx_count_32x32p[TX_16X16];
1.295 + ct_32x32p[2][1] = tx_count_32x32p[TX_32X32];
1.296 +}
1.297 +
1.298 +void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
1.299 + unsigned int (*ct_16x16p)[2]) {
1.300 + ct_16x16p[0][0] = tx_count_16x16p[TX_4X4];
1.301 + ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
1.302 + ct_16x16p[1][0] = tx_count_16x16p[TX_8X8];
1.303 + ct_16x16p[1][1] = tx_count_16x16p[TX_16X16];
1.304 +}
1.305 +
1.306 +void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
1.307 + unsigned int (*ct_8x8p)[2]) {
1.308 + ct_8x8p[0][0] = tx_count_8x8p[TX_4X4];
1.309 + ct_8x8p[0][1] = tx_count_8x8p[TX_8X8];
1.310 +}
1.311 +
1.312 +static const vp9_prob default_mbskip_probs[MBSKIP_CONTEXTS] = {
1.313 + 192, 128, 64
1.314 +};
1.315 +
1.316 +static const vp9_prob default_switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
1.317 + [SWITCHABLE_FILTERS - 1] = {
1.318 + { 235, 162, },
1.319 + { 36, 255, },
1.320 + { 34, 3, },
1.321 + { 149, 144, },
1.322 +};
1.323 +
1.324 +void vp9_init_mbmode_probs(VP9_COMMON *cm) {
1.325 + vp9_copy(cm->fc.uv_mode_prob, default_if_uv_probs);
1.326 + vp9_copy(cm->fc.y_mode_prob, default_if_y_probs);
1.327 + vp9_copy(cm->fc.switchable_interp_prob, default_switchable_interp_prob);
1.328 + vp9_copy(cm->fc.partition_prob, default_partition_probs);
1.329 + vp9_copy(cm->fc.intra_inter_prob, default_intra_inter_p);
1.330 + vp9_copy(cm->fc.comp_inter_prob, default_comp_inter_p);
1.331 + vp9_copy(cm->fc.comp_ref_prob, default_comp_ref_p);
1.332 + vp9_copy(cm->fc.single_ref_prob, default_single_ref_p);
1.333 + cm->fc.tx_probs = default_tx_probs;
1.334 + vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs);
1.335 +}
1.336 +
1.337 +const vp9_tree_index vp9_switchable_interp_tree
1.338 + [TREE_SIZE(SWITCHABLE_FILTERS)] = {
1.339 + -EIGHTTAP, 2,
1.340 + -EIGHTTAP_SMOOTH, -EIGHTTAP_SHARP
1.341 +};
1.342 +struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS];
1.343 +
1.344 +void vp9_entropy_mode_init() {
1.345 + vp9_tokens_from_tree(vp9_intra_mode_encodings, vp9_intra_mode_tree);
1.346 + vp9_tokens_from_tree(vp9_switchable_interp_encodings,
1.347 + vp9_switchable_interp_tree);
1.348 + vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree);
1.349 + vp9_tokens_from_tree(vp9_inter_mode_encodings, vp9_inter_mode_tree);
1.350 +}
1.351 +
1.352 +#define COUNT_SAT 20
1.353 +#define MAX_UPDATE_FACTOR 128
1.354 +
1.355 +static int adapt_prob(vp9_prob pre_prob, const unsigned int ct[2]) {
1.356 + return merge_probs(pre_prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
1.357 +}
1.358 +
1.359 +static void adapt_probs(const vp9_tree_index *tree,
1.360 + const vp9_prob *pre_probs, const unsigned int *counts,
1.361 + vp9_prob *probs) {
1.362 + tree_merge_probs(tree, pre_probs, counts, COUNT_SAT, MAX_UPDATE_FACTOR,
1.363 + probs);
1.364 +}
1.365 +
1.366 +void vp9_adapt_mode_probs(VP9_COMMON *cm) {
1.367 + int i, j;
1.368 + FRAME_CONTEXT *fc = &cm->fc;
1.369 + const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
1.370 + const FRAME_COUNTS *counts = &cm->counts;
1.371 +
1.372 + for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
1.373 + fc->intra_inter_prob[i] = adapt_prob(pre_fc->intra_inter_prob[i],
1.374 + counts->intra_inter[i]);
1.375 + for (i = 0; i < COMP_INTER_CONTEXTS; i++)
1.376 + fc->comp_inter_prob[i] = adapt_prob(pre_fc->comp_inter_prob[i],
1.377 + counts->comp_inter[i]);
1.378 + for (i = 0; i < REF_CONTEXTS; i++)
1.379 + fc->comp_ref_prob[i] = adapt_prob(pre_fc->comp_ref_prob[i],
1.380 + counts->comp_ref[i]);
1.381 + for (i = 0; i < REF_CONTEXTS; i++)
1.382 + for (j = 0; j < 2; j++)
1.383 + fc->single_ref_prob[i][j] = adapt_prob(pre_fc->single_ref_prob[i][j],
1.384 + counts->single_ref[i][j]);
1.385 +
1.386 + for (i = 0; i < INTER_MODE_CONTEXTS; i++)
1.387 + adapt_probs(vp9_inter_mode_tree, pre_fc->inter_mode_probs[i],
1.388 + counts->inter_mode[i], fc->inter_mode_probs[i]);
1.389 +
1.390 + for (i = 0; i < BLOCK_SIZE_GROUPS; i++)
1.391 + adapt_probs(vp9_intra_mode_tree, pre_fc->y_mode_prob[i],
1.392 + counts->y_mode[i], fc->y_mode_prob[i]);
1.393 +
1.394 + for (i = 0; i < INTRA_MODES; ++i)
1.395 + adapt_probs(vp9_intra_mode_tree, pre_fc->uv_mode_prob[i],
1.396 + counts->uv_mode[i], fc->uv_mode_prob[i]);
1.397 +
1.398 + for (i = 0; i < PARTITION_CONTEXTS; i++)
1.399 + adapt_probs(vp9_partition_tree, pre_fc->partition_prob[i],
1.400 + counts->partition[i], fc->partition_prob[i]);
1.401 +
1.402 + if (cm->mcomp_filter_type == SWITCHABLE) {
1.403 + for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++)
1.404 + adapt_probs(vp9_switchable_interp_tree, pre_fc->switchable_interp_prob[i],
1.405 + counts->switchable_interp[i], fc->switchable_interp_prob[i]);
1.406 + }
1.407 +
1.408 + if (cm->tx_mode == TX_MODE_SELECT) {
1.409 + int j;
1.410 + unsigned int branch_ct_8x8p[TX_SIZES - 3][2];
1.411 + unsigned int branch_ct_16x16p[TX_SIZES - 2][2];
1.412 + unsigned int branch_ct_32x32p[TX_SIZES - 1][2];
1.413 +
1.414 + for (i = 0; i < TX_SIZE_CONTEXTS; ++i) {
1.415 + tx_counts_to_branch_counts_8x8(counts->tx.p8x8[i], branch_ct_8x8p);
1.416 + for (j = 0; j < TX_SIZES - 3; ++j)
1.417 + fc->tx_probs.p8x8[i][j] = adapt_prob(pre_fc->tx_probs.p8x8[i][j],
1.418 + branch_ct_8x8p[j]);
1.419 +
1.420 + tx_counts_to_branch_counts_16x16(counts->tx.p16x16[i], branch_ct_16x16p);
1.421 + for (j = 0; j < TX_SIZES - 2; ++j)
1.422 + fc->tx_probs.p16x16[i][j] = adapt_prob(pre_fc->tx_probs.p16x16[i][j],
1.423 + branch_ct_16x16p[j]);
1.424 +
1.425 + tx_counts_to_branch_counts_32x32(counts->tx.p32x32[i], branch_ct_32x32p);
1.426 + for (j = 0; j < TX_SIZES - 1; ++j)
1.427 + fc->tx_probs.p32x32[i][j] = adapt_prob(pre_fc->tx_probs.p32x32[i][j],
1.428 + branch_ct_32x32p[j]);
1.429 + }
1.430 + }
1.431 +
1.432 + for (i = 0; i < MBSKIP_CONTEXTS; ++i)
1.433 + fc->mbskip_probs[i] = adapt_prob(pre_fc->mbskip_probs[i],
1.434 + counts->mbskip[i]);
1.435 +}
1.436 +
1.437 +static void set_default_lf_deltas(struct loopfilter *lf) {
1.438 + lf->mode_ref_delta_enabled = 1;
1.439 + lf->mode_ref_delta_update = 1;
1.440 +
1.441 + lf->ref_deltas[INTRA_FRAME] = 1;
1.442 + lf->ref_deltas[LAST_FRAME] = 0;
1.443 + lf->ref_deltas[GOLDEN_FRAME] = -1;
1.444 + lf->ref_deltas[ALTREF_FRAME] = -1;
1.445 +
1.446 + lf->mode_deltas[0] = 0;
1.447 + lf->mode_deltas[1] = 0;
1.448 +}
1.449 +
1.450 +void vp9_setup_past_independence(VP9_COMMON *cm) {
1.451 + // Reset the segment feature data to the default stats:
1.452 + // Features disabled, 0, with delta coding (Default state).
1.453 + struct loopfilter *const lf = &cm->lf;
1.454 +
1.455 + int i;
1.456 + vp9_clearall_segfeatures(&cm->seg);
1.457 + cm->seg.abs_delta = SEGMENT_DELTADATA;
1.458 + if (cm->last_frame_seg_map)
1.459 + vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
1.460 +
1.461 + // Reset the mode ref deltas for loop filter
1.462 + vp9_zero(lf->last_ref_deltas);
1.463 + vp9_zero(lf->last_mode_deltas);
1.464 + set_default_lf_deltas(lf);
1.465 +
1.466 + // To force update of the sharpness
1.467 + lf->last_sharpness_level = -1;
1.468 +
1.469 + vp9_default_coef_probs(cm);
1.470 + vp9_init_mbmode_probs(cm);
1.471 + vp9_init_mv_probs(cm);
1.472 + vp9_copy(cm->fc.inter_mode_probs, default_inter_mode_probs);
1.473 +
1.474 + if (cm->frame_type == KEY_FRAME ||
1.475 + cm->error_resilient_mode || cm->reset_frame_context == 3) {
1.476 + // Reset all frame contexts.
1.477 + for (i = 0; i < NUM_FRAME_CONTEXTS; ++i)
1.478 + cm->frame_contexts[i] = cm->fc;
1.479 + } else if (cm->reset_frame_context == 2) {
1.480 + // Reset only the frame context specified in the frame header.
1.481 + cm->frame_contexts[cm->frame_context_idx] = cm->fc;
1.482 + }
1.483 +
1.484 + vpx_memset(cm->prev_mip, 0,
1.485 + cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
1.486 + vpx_memset(cm->mip, 0,
1.487 + cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
1.488 +
1.489 + vp9_update_mode_info_border(cm, cm->mip);
1.490 + vp9_update_mode_info_border(cm, cm->prev_mip);
1.491 +
1.492 + vp9_zero(cm->ref_frame_sign_bias);
1.493 +
1.494 + cm->frame_context_idx = 0;
1.495 +}
