vp9_entropymode.c 21.1 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  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.
John Koleszar's avatar
John Koleszar committed
9 10
 */

11
#include "vpx_mem/vpx_mem.h"
John Koleszar's avatar
John Koleszar committed
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 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128
const vp9_prob vp9_kf_y_mode_prob[INTRA_MODES][INTRA_MODES][INTRA_MODES - 1] = {
  {  // above = dc
    { 137,  30,  42, 148, 151, 207,  70,  52,  91 },  // left = dc
    {  92,  45, 102, 136, 116, 180,  74,  90, 100 },  // left = v
    {  73,  32,  19, 187, 222, 215,  46,  34, 100 },  // left = h
    {  91,  30,  32, 116, 121, 186,  93,  86,  94 },  // left = d45
    {  72,  35,  36, 149,  68, 206,  68,  63, 105 },  // left = d135
    {  73,  31,  28, 138,  57, 124,  55, 122, 151 },  // left = d117
    {  67,  23,  21, 140, 126, 197,  40,  37, 171 },  // left = d153
    {  86,  27,  28, 128, 154, 212,  45,  43,  53 },  // left = d207
    {  74,  32,  27, 107,  86, 160,  63, 134, 102 },  // left = d63
    {  59,  67,  44, 140, 161, 202,  78,  67, 119 }   // left = tm
  }, {  // above = v
    {  63,  36, 126, 146, 123, 158,  60,  90,  96 },  // left = dc
    {  43,  46, 168, 134, 107, 128,  69, 142,  92 },  // left = v
    {  44,  29,  68, 159, 201, 177,  50,  57,  77 },  // left = h
    {  58,  38,  76, 114,  97, 172,  78, 133,  92 },  // left = d45
    {  46,  41,  76, 140,  63, 184,  69, 112,  57 },  // left = d135
    {  38,  32,  85, 140,  46, 112,  54, 151, 133 },  // left = d117
    {  39,  27,  61, 131, 110, 175,  44,  75, 136 },  // left = d153
    {  52,  30,  74, 113, 130, 175,  51,  64,  58 },  // left = d207
    {  47,  35,  80, 100,  74, 143,  64, 163,  74 },  // left = d63
    {  36,  61, 116, 114, 128, 162,  80, 125,  82 }   // left = tm
  }, {  // above = h
    {  82,  26,  26, 171, 208, 204,  44,  32, 105 },  // left = dc
    {  55,  44,  68, 166, 179, 192,  57,  57, 108 },  // left = v
    {  42,  26,  11, 199, 241, 228,  23,  15,  85 },  // left = h
    {  68,  42,  19, 131, 160, 199,  55,  52,  83 },  // left = d45
    {  58,  50,  25, 139, 115, 232,  39,  52, 118 },  // left = d135
    {  50,  35,  33, 153, 104, 162,  64,  59, 131 },  // left = d117
    {  44,  24,  16, 150, 177, 202,  33,  19, 156 },  // left = d153
    {  55,  27,  12, 153, 203, 218,  26,  27,  49 },  // left = d207
    {  53,  49,  21, 110, 116, 168,  59,  80,  76 },  // left = d63
    {  38,  72,  19, 168, 203, 212,  50,  50, 107 }   // left = tm
  }, {  // above = d45
    { 103,  26,  36, 129, 132, 201,  83,  80,  93 },  // left = dc
    {  59,  38,  83, 112, 103, 162,  98, 136,  90 },  // left = v
    {  62,  30,  23, 158, 200, 207,  59,  57,  50 },  // left = h
    {  67,  30,  29,  84,  86, 191, 102,  91,  59 },  // left = d45
    {  60,  32,  33, 112,  71, 220,  64,  89, 104 },  // left = d135
    {  53,  26,  34, 130,  56, 149,  84, 120, 103 },  // left = d117
    {  53,  21,  23, 133, 109, 210,  56,  77, 172 },  // left = d153
    {  77,  19,  29, 112, 142, 228,  55,  66,  36 },  // left = d207
    {  61,  29,  29,  93,  97, 165,  83, 175, 162 },  // left = d63
    {  47,  47,  43, 114, 137, 181, 100,  99,  95 }   // left = tm
  }, {  // above = d135
    {  69,  23,  29, 128,  83, 199,  46,  44, 101 },  // left = dc
    {  53,  40,  55, 139,  69, 183,  61,  80, 110 },  // left = v
    {  40,  29,  19, 161, 180, 207,  43,  24,  91 },  // left = h
    {  60,  34,  19, 105,  61, 198,  53,  64,  89 },  // left = d45
    {  52,  31,  22, 158,  40, 209,  58,  62,  89 },  // left = d135
    {  44,  31,  29, 147,  46, 158,  56, 102, 198 },  // left = d117
    {  35,  19,  12, 135,  87, 209,  41,  45, 167 },  // left = d153
    {  55,  25,  21, 118,  95, 215,  38,  39,  66 },  // left = d207
    {  51,  38,  25, 113,  58, 164,  70,  93,  97 },  // left = d63
    {  47,  54,  34, 146, 108, 203,  72, 103, 151 }   // left = tm
  }, {  // above = d117
    {  64,  19,  37, 156,  66, 138,  49,  95, 133 },  // left = dc
    {  46,  27,  80, 150,  55, 124,  55, 121, 135 },  // left = v
    {  36,  23,  27, 165, 149, 166,  54,  64, 118 },  // left = h
    {  53,  21,  36, 131,  63, 163,  60, 109,  81 },  // left = d45
    {  40,  26,  35, 154,  40, 185,  51,  97, 123 },  // left = d135
    {  35,  19,  34, 179,  19,  97,  48, 129, 124 },  // left = d117
    {  36,  20,  26, 136,  62, 164,  33,  77, 154 },  // left = d153
    {  45,  18,  32, 130,  90, 157,  40,  79,  91 },  // left = d207
    {  45,  26,  28, 129,  45, 129,  49, 147, 123 },  // left = d63
    {  38,  44,  51, 136,  74, 162,  57,  97, 121 }   // left = tm
  }, {  // above = d153
    {  75,  17,  22, 136, 138, 185,  32,  34, 166 },  // left = dc
    {  56,  39,  58, 133, 117, 173,  48,  53, 187 },  // left = v
    {  35,  21,  12, 161, 212, 207,  20,  23, 145 },  // left = h
    {  56,  29,  19, 117, 109, 181,  55,  68, 112 },  // left = d45
    {  47,  29,  17, 153,  64, 220,  59,  51, 114 },  // left = d135
    {  46,  16,  24, 136,  76, 147,  41,  64, 172 },  // left = d117
    {  34,  17,  11, 108, 152, 187,  13,  15, 209 },  // left = d153
    {  51,  24,  14, 115, 133, 209,  32,  26, 104 },  // left = d207
    {  55,  30,  18, 122,  79, 179,  44,  88, 116 },  // left = d63
    {  37,  49,  25, 129, 168, 164,  41,  54, 148 }   // left = tm
  }, {  // above = d207
    {  82,  22,  32, 127, 143, 213,  39,  41,  70 },  // left = dc
    {  62,  44,  61, 123, 105, 189,  48,  57,  64 },  // left = v
    {  47,  25,  17, 175, 222, 220,  24,  30,  86 },  // left = h
    {  68,  36,  17, 106, 102, 206,  59,  74,  74 },  // left = d45
    {  57,  39,  23, 151,  68, 216,  55,  63,  58 },  // left = d135
    {  49,  30,  35, 141,  70, 168,  82,  40, 115 },  // left = d117
    {  51,  25,  15, 136, 129, 202,  38,  35, 139 },  // left = d153
    {  68,  26,  16, 111, 141, 215,  29,  28,  28 },  // left = d207
    {  59,  39,  19, 114,  75, 180,  77, 104,  42 },  // left = d63
    {  40,  61,  26, 126, 152, 206,  61,  59,  93 }   // left = tm
  }, {  // above = d63
    {  78,  23,  39, 111, 117, 170,  74, 124,  94 },  // left = dc
    {  48,  34,  86, 101,  92, 146,  78, 179, 134 },  // left = v
    {  47,  22,  24, 138, 187, 178,  68,  69,  59 },  // left = h
    {  56,  25,  33, 105, 112, 187,  95, 177, 129 },  // left = d45
    {  48,  31,  27, 114,  63, 183,  82, 116,  56 },  // left = d135
    {  43,  28,  37, 121,  63, 123,  61, 192, 169 },  // left = d117
    {  42,  17,  24, 109,  97, 177,  56,  76, 122 },  // left = d153
    {  58,  18,  28, 105, 139, 182,  70,  92,  63 },  // left = d207
    {  46,  23,  32,  74,  86, 150,  67, 183,  88 },  // left = d63
    {  36,  38,  48,  92, 122, 165,  88, 137,  91 }   // left = tm
  }, {  // above = tm
    {  65,  70,  60, 155, 159, 199,  61,  60,  81 },  // left = dc
    {  44,  78, 115, 132, 119, 173,  71, 112,  93 },  // left = v
    {  39,  38,  21, 184, 227, 206,  42,  32,  64 },  // left = h
    {  58,  47,  36, 124, 137, 193,  80,  82,  78 },  // left = d45
    {  49,  50,  35, 144,  95, 205,  63,  78,  59 },  // left = d135
    {  41,  53,  52, 148,  71, 142,  65, 128,  51 },  // left = d117
    {  40,  36,  28, 143, 143, 202,  40,  55, 137 },  // left = d153
    {  52,  34,  29, 129, 183, 227,  42,  35,  43 },  // left = d207
    {  42,  44,  44, 104, 105, 164,  64, 130,  80 },  // left = d63
    {  43,  81,  53, 140, 169, 204,  68,  84,  72 }   // left = tm
  }
129
};
130

131 132 133 134 135 136 137 138 139 140 141
const vp9_prob vp9_kf_uv_mode_prob[INTRA_MODES][INTRA_MODES - 1] = {
  { 144,  11,  54, 157, 195, 130,  46,  58, 108 },  // y = dc
  { 118,  15, 123, 148, 131, 101,  44,  93, 131 },  // y = v
  { 113,  12,  23, 188, 226, 142,  26,  32, 125 },  // y = h
  { 120,  11,  50, 123, 163, 135,  64,  77, 103 },  // y = d45
  { 113,   9,  36, 155, 111, 157,  32,  44, 161 },  // y = d135
  { 116,   9,  55, 176,  76,  96,  37,  61, 149 },  // y = d117
  { 115,   9,  28, 141, 161, 167,  21,  25, 193 },  // y = d153
  { 120,  12,  32, 145, 195, 142,  32,  38,  86 },  // y = d207
  { 116,  12,  64, 120, 140, 125,  49, 115, 121 },  // y = d63
  { 102,  19,  66, 162, 182, 122,  35,  59, 128 }   // y = tm
142 143
};

144 145 146 147 148
static const vp9_prob default_if_y_probs[BLOCK_SIZE_GROUPS][INTRA_MODES - 1] = {
  {  65,  32,  18, 144, 162, 194,  41,  51,  98 },  // block_size < 8x8
  { 132,  68,  18, 165, 217, 196,  45,  40,  78 },  // block_size < 16x16
  { 173,  80,  19, 176, 240, 193,  64,  35,  46 },  // block_size < 32x32
  { 221, 135,  38, 194, 248, 121,  96,  85,  29 }   // block_size >= 32x32
John Koleszar's avatar
John Koleszar committed
149 150
};

151 152 153 154 155 156 157 158 159 160 161
static const vp9_prob default_if_uv_probs[INTRA_MODES][INTRA_MODES - 1] = {
  { 120,   7,  76, 176, 208, 126,  28,  54, 103 },  // y = dc
  {  48,  12, 154, 155, 139,  90,  34, 117, 119 },  // y = v
  {  67,   6,  25, 204, 243, 158,  13,  21,  96 },  // y = h
  {  97,   5,  44, 131, 176, 139,  48,  68,  97 },  // y = d45
  {  83,   5,  42, 156, 111, 152,  26,  49, 152 },  // y = d135
  {  80,   5,  58, 178,  74,  83,  33,  62, 145 },  // y = d117
  {  86,   5,  32, 154, 192, 168,  14,  22, 163 },  // y = d153
  {  85,   5,  32, 156, 216, 148,  19,  29,  73 },  // y = d207
  {  77,   7,  64, 116, 132, 122,  37, 126, 120 },  // y = d63
  { 101,  21, 107, 181, 192, 103,  19,  67, 125 }   // y = tm
162 163
};

164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188
const vp9_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
                                     [PARTITION_TYPES - 1] = {
  // 8x8 -> 4x4
  { 158,  97,  94 },  // a/l both not split
  {  93,  24,  99 },  // a split, l not split
  {  85, 119,  44 },  // l split, a not split
  {  62,  59,  67 },  // a/l both split
  // 16x16 -> 8x8
  { 149,  53,  53 },  // a/l both not split
  {  94,  20,  48 },  // a split, l not split
  {  83,  53,  24 },  // l split, a not split
  {  52,  18,  18 },  // a/l both split
  // 32x32 -> 16x16
  { 150,  40,  39 },  // a/l both not split
  {  78,  12,  26 },  // a split, l not split
  {  67,  33,  11 },  // l split, a not split
  {  24,   7,   5 },  // a/l both split
  // 64x64 -> 32x32
  { 174,  35,  49 },  // a/l both not split
  {  68,  11,  27 },  // a split, l not split
  {  57,  15,   9 },  // l split, a not split
  {  12,   3,   3 },  // a/l both split
};

static const vp9_prob default_partition_probs[PARTITION_CONTEXTS]
189
                                             [PARTITION_TYPES - 1] = {
190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209
  // 8x8 -> 4x4
  { 199, 122, 141 },  // a/l both not split
  { 147,  63, 159 },  // a split, l not split
  { 148, 133, 118 },  // l split, a not split
  { 121, 104, 114 },  // a/l both split
  // 16x16 -> 8x8
  { 174,  73,  87 },  // a/l both not split
  {  92,  41,  83 },  // a split, l not split
  {  82,  99,  50 },  // l split, a not split
  {  53,  39,  39 },  // a/l both split
  // 32x32 -> 16x16
  { 177,  58,  59 },  // a/l both not split
  {  68,  26,  63 },  // a split, l not split
  {  52,  79,  25 },  // l split, a not split
  {  17,  14,  12 },  // a/l both split
  // 64x64 -> 32x32
  { 222,  34,  30 },  // a/l both not split
  {  72,  16,  44 },  // a split, l not split
  {  58,  32,  12 },  // l split, a not split
  {  10,   7,   6 },  // a/l both split
210 211
};

Dmitry Kovalev's avatar
Dmitry Kovalev committed
212
static const vp9_prob default_inter_mode_probs[INTER_MODE_CONTEXTS]
213
                                              [INTER_MODES - 1] = {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
214 215 216 217 218 219 220 221 222
  {2,       173,   34},  // 0 = both zero mv
  {7,       145,   85},  // 1 = one zero mv + one a predicted mv
  {7,       166,   63},  // 2 = two predicted mvs
  {7,       94,    66},  // 3 = one predicted/zero and one new mv
  {8,       64,    46},  // 4 = two new mvs
  {17,      81,    31},  // 5 = one intra neighbour + x
  {25,      29,    30},  // 6 = two intra neighbours
};

John Koleszar's avatar
John Koleszar committed
223
/* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
224
const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)] = {
Yaowu Xu's avatar
Yaowu Xu committed
225 226 227 228 229 230 231 232
  -DC_PRED, 2,                      /* 0 = DC_NODE */
  -TM_PRED, 4,                      /* 1 = TM_NODE */
  -V_PRED, 6,                       /* 2 = V_NODE */
  8, 12,                            /* 3 = COM_NODE */
  -H_PRED, 10,                      /* 4 = H_NODE */
  -D135_PRED, -D117_PRED,           /* 5 = D135_NODE */
  -D45_PRED, 14,                    /* 6 = D45_NODE */
  -D63_PRED, 16,                    /* 7 = D63_NODE */
Dmitry Kovalev's avatar
Dmitry Kovalev committed
233
  -D153_PRED, -D207_PRED             /* 8 = D153_NODE */
John Koleszar's avatar
John Koleszar committed
234
};
235
struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
John Koleszar's avatar
John Koleszar committed
236

237
const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
238 239 240 241
  -ZEROMV, 2,
  -NEARESTMV, 4,
  -NEARMV, -NEWMV
};
242
struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
Ronald S. Bultje's avatar
Ronald S. Bultje committed
243

244
const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)] = {
245 246 247 248 249 250
  -PARTITION_NONE, 2,
  -PARTITION_HORZ, 4,
  -PARTITION_VERT, -PARTITION_SPLIT
};
struct vp9_token vp9_partition_encodings[PARTITION_TYPES];

Ronald S. Bultje's avatar
Ronald S. Bultje committed
251
static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
252
  9, 102, 187, 225
Ronald S. Bultje's avatar
Ronald S. Bultje committed
253 254 255
};

static const vp9_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
256
  239, 183, 119,  96,  41
Ronald S. Bultje's avatar
Ronald S. Bultje committed
257 258 259
};

static const vp9_prob default_comp_ref_p[REF_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
260
  50, 126, 123, 221, 226
Ronald S. Bultje's avatar
Ronald S. Bultje committed
261 262 263
};

static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
264 265 266 267 268
  {  33,  16 },
  {  77,  74 },
  { 142, 142 },
  { 172, 170 },
  { 238, 247 }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
269 270
};

271 272 273 274 275 276 277 278 279
static const struct tx_probs default_tx_probs = {
  { { 3, 136, 37 },
    { 5, 52,  13 } },

  { { 20, 152 },
    { 15, 101 } },

  { { 100 },
    { 66  } }
280 281
};

282
void tx_counts_to_branch_counts_32x32(const unsigned int *tx_count_32x32p,
283 284 285 286 287 288 289 290 291 292 293 294
                                      unsigned int (*ct_32x32p)[2]) {
  ct_32x32p[0][0] = tx_count_32x32p[TX_4X4];
  ct_32x32p[0][1] = tx_count_32x32p[TX_8X8] +
                    tx_count_32x32p[TX_16X16] +
                    tx_count_32x32p[TX_32X32];
  ct_32x32p[1][0] = tx_count_32x32p[TX_8X8];
  ct_32x32p[1][1] = tx_count_32x32p[TX_16X16] +
                    tx_count_32x32p[TX_32X32];
  ct_32x32p[2][0] = tx_count_32x32p[TX_16X16];
  ct_32x32p[2][1] = tx_count_32x32p[TX_32X32];
}

295
void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
296 297
                                      unsigned int (*ct_16x16p)[2]) {
  ct_16x16p[0][0] = tx_count_16x16p[TX_4X4];
Dmitry Kovalev's avatar
Dmitry Kovalev committed
298
  ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
299 300 301 302
  ct_16x16p[1][0] = tx_count_16x16p[TX_8X8];
  ct_16x16p[1][1] = tx_count_16x16p[TX_16X16];
}

303
void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
304
                                    unsigned int (*ct_8x8p)[2]) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
305 306
  ct_8x8p[0][0] = tx_count_8x8p[TX_4X4];
  ct_8x8p[0][1] = tx_count_8x8p[TX_8X8];
307
}
308

309
static const vp9_prob default_mbskip_probs[MBSKIP_CONTEXTS] = {
Deb Mukherjee's avatar
Deb Mukherjee committed
310 311 312
  192, 128, 64
};

313 314
static const vp9_prob default_switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
                                                    [SWITCHABLE_FILTERS - 1] = {
315 316 317 318 319 320
  { 235, 162, },
  { 36, 255, },
  { 34, 3, },
  { 149, 144, },
};

Dmitry Kovalev's avatar
Dmitry Kovalev committed
321 322 323
void vp9_init_mbmode_probs(VP9_COMMON *cm) {
  vp9_copy(cm->fc.uv_mode_prob, default_if_uv_probs);
  vp9_copy(cm->fc.y_mode_prob, default_if_y_probs);
324 325
  vp9_copy(cm->fc.switchable_interp_prob, default_switchable_interp_prob);
  vp9_copy(cm->fc.partition_prob, default_partition_probs);
Dmitry Kovalev's avatar
Dmitry Kovalev committed
326 327 328 329
  vp9_copy(cm->fc.intra_inter_prob, default_intra_inter_p);
  vp9_copy(cm->fc.comp_inter_prob, default_comp_inter_p);
  vp9_copy(cm->fc.comp_ref_prob, default_comp_ref_p);
  vp9_copy(cm->fc.single_ref_prob, default_single_ref_p);
330 331
  cm->fc.tx_probs = default_tx_probs;
  vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs);
John Koleszar's avatar
John Koleszar committed
332 333
}

334 335
const vp9_tree_index vp9_switchable_interp_tree
                         [TREE_SIZE(SWITCHABLE_FILTERS)] = {
336 337
  -EIGHTTAP, 2,
  -EIGHTTAP_SMOOTH, -EIGHTTAP_SHARP
338
};
339
struct vp9_token vp9_switchable_interp_encodings[SWITCHABLE_FILTERS];
340

341
void vp9_entropy_mode_init() {
342
  vp9_tokens_from_tree(vp9_intra_mode_encodings, vp9_intra_mode_tree);
343 344
  vp9_tokens_from_tree(vp9_switchable_interp_encodings,
                       vp9_switchable_interp_tree);
345
  vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree);
346 347
  vp9_tokens_from_tree_offset(vp9_inter_mode_encodings,
                              vp9_inter_mode_tree, NEARESTMV);
John Koleszar's avatar
John Koleszar committed
348
}
Yaowu Xu's avatar
Yaowu Xu committed
349

350 351
#define COUNT_SAT 20
#define MAX_UPDATE_FACTOR 128
352

353
static int adapt_prob(vp9_prob pre_prob, const unsigned int ct[2]) {
354
  return merge_probs(pre_prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
355 356
}

357 358 359 360 361
static void adapt_probs(const vp9_tree_index *tree,
                        const vp9_prob *pre_probs, const unsigned int *counts,
                        unsigned int offset, vp9_prob *probs) {
  tree_merge_probs(tree, pre_probs, counts, offset,
                   COUNT_SAT, MAX_UPDATE_FACTOR, probs);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
362 363
}

364
void vp9_adapt_mode_probs(VP9_COMMON *cm) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
365
  int i, j;
366
  FRAME_CONTEXT *fc = &cm->fc;
367 368
  const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
  const FRAME_COUNTS *counts = &cm->counts;
369

Ronald S. Bultje's avatar
Ronald S. Bultje committed
370
  for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
371 372
    fc->intra_inter_prob[i] = adapt_prob(pre_fc->intra_inter_prob[i],
                                         counts->intra_inter[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
373
  for (i = 0; i < COMP_INTER_CONTEXTS; i++)
374 375
    fc->comp_inter_prob[i] = adapt_prob(pre_fc->comp_inter_prob[i],
                                        counts->comp_inter[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
376
  for (i = 0; i < REF_CONTEXTS; i++)
377 378
    fc->comp_ref_prob[i] = adapt_prob(pre_fc->comp_ref_prob[i],
                                      counts->comp_ref[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
379 380
  for (i = 0; i < REF_CONTEXTS; i++)
    for (j = 0; j < 2; j++)
381 382
      fc->single_ref_prob[i][j] = adapt_prob(pre_fc->single_ref_prob[i][j],
                                             counts->single_ref[i][j]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
383

384
  for (i = 0; i < INTER_MODE_CONTEXTS; i++)
385 386
    adapt_probs(vp9_inter_mode_tree, pre_fc->inter_mode_probs[i],
                counts->inter_mode[i], NEARESTMV, fc->inter_mode_probs[i]);
387

388
  for (i = 0; i < BLOCK_SIZE_GROUPS; i++)
389 390
    adapt_probs(vp9_intra_mode_tree, pre_fc->y_mode_prob[i],
                counts->y_mode[i], 0, fc->y_mode_prob[i]);
391

392
  for (i = 0; i < INTRA_MODES; ++i)
393 394
    adapt_probs(vp9_intra_mode_tree, pre_fc->uv_mode_prob[i],
                counts->uv_mode[i], 0, fc->uv_mode_prob[i]);
395

396
  for (i = 0; i < PARTITION_CONTEXTS; i++)
397 398
    adapt_probs(vp9_partition_tree, pre_fc->partition_prob[i],
                counts->partition[i], 0, fc->partition_prob[i]);
399 400

  if (cm->mcomp_filter_type == SWITCHABLE) {
401
    for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++)
402 403 404
      adapt_probs(vp9_switchable_interp_tree, pre_fc->switchable_interp_prob[i],
                  counts->switchable_interp[i], 0,
                  fc->switchable_interp_prob[i]);
405
  }
406

407
  if (cm->tx_mode == TX_MODE_SELECT) {
408
    int j;
409 410 411
    unsigned int branch_ct_8x8p[TX_SIZES - 3][2];
    unsigned int branch_ct_16x16p[TX_SIZES - 2][2];
    unsigned int branch_ct_32x32p[TX_SIZES - 1][2];
412

413
    for (i = 0; i < TX_SIZE_CONTEXTS; ++i) {
414
      tx_counts_to_branch_counts_8x8(counts->tx.p8x8[i], branch_ct_8x8p);
415
      for (j = 0; j < TX_SIZES - 3; ++j)
416 417
        fc->tx_probs.p8x8[i][j] = adapt_prob(pre_fc->tx_probs.p8x8[i][j],
                                             branch_ct_8x8p[j]);
418

Dmitry Kovalev's avatar
Dmitry Kovalev committed
419
      tx_counts_to_branch_counts_16x16(counts->tx.p16x16[i], branch_ct_16x16p);
420
      for (j = 0; j < TX_SIZES - 2; ++j)
421 422
        fc->tx_probs.p16x16[i][j] = adapt_prob(pre_fc->tx_probs.p16x16[i][j],
                                               branch_ct_16x16p[j]);
423

Dmitry Kovalev's avatar
Dmitry Kovalev committed
424
      tx_counts_to_branch_counts_32x32(counts->tx.p32x32[i], branch_ct_32x32p);
425
      for (j = 0; j < TX_SIZES - 1; ++j)
426 427
        fc->tx_probs.p32x32[i][j] = adapt_prob(pre_fc->tx_probs.p32x32[i][j],
                                               branch_ct_32x32p[j]);
428 429
    }
  }
430

Deb Mukherjee's avatar
Deb Mukherjee committed
431
  for (i = 0; i < MBSKIP_CONTEXTS; ++i)
432 433
    fc->mbskip_probs[i] = adapt_prob(pre_fc->mbskip_probs[i],
                                     counts->mbskip[i]);
434
}
435

436 437 438
static void set_default_lf_deltas(struct loopfilter *lf) {
  lf->mode_ref_delta_enabled = 1;
  lf->mode_ref_delta_update = 1;
439

440 441 442 443
  lf->ref_deltas[INTRA_FRAME] = 1;
  lf->ref_deltas[LAST_FRAME] = 0;
  lf->ref_deltas[GOLDEN_FRAME] = -1;
  lf->ref_deltas[ALTREF_FRAME] = -1;
444

445 446
  lf->mode_deltas[0] = 0;
  lf->mode_deltas[1] = 0;
447 448
}

449
void vp9_setup_past_independence(VP9_COMMON *cm) {
450 451
  // Reset the segment feature data to the default stats:
  // Features disabled, 0, with delta coding (Default state).
452
  struct loopfilter *const lf = &cm->lf;
453

454
  int i;
455 456
  vp9_clearall_segfeatures(&cm->seg);
  cm->seg.abs_delta = SEGMENT_DELTADATA;
457
  if (cm->last_frame_seg_map)
458
    vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
459

460
  // Reset the mode ref deltas for loop filter
461 462 463
  vp9_zero(lf->last_ref_deltas);
  vp9_zero(lf->last_mode_deltas);
  set_default_lf_deltas(lf);
464 465

  // To force update of the sharpness
466
  lf->last_sharpness_level = -1;
467

468 469 470 471
  vp9_default_coef_probs(cm);
  vp9_init_mbmode_probs(cm);
  vp9_init_mv_probs(cm);
  vp9_copy(cm->fc.inter_mode_probs, default_inter_mode_probs);
472

473 474
  if (cm->frame_type == KEY_FRAME ||
      cm->error_resilient_mode || cm->reset_frame_context == 3) {
Adrian Grange's avatar
Adrian Grange committed
475 476
    // Reset all frame contexts.
    for (i = 0; i < NUM_FRAME_CONTEXTS; ++i)
477
      cm->frame_contexts[i] = cm->fc;
Adrian Grange's avatar
Adrian Grange committed
478 479
  } else if (cm->reset_frame_context == 2) {
    // Reset only the frame context specified in the frame header.
480
    cm->frame_contexts[cm->frame_context_idx] = cm->fc;
Adrian Grange's avatar
Adrian Grange committed
481
  }
482 483

  vpx_memset(cm->prev_mip, 0,
484
             cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
485
  vpx_memset(cm->mip, 0,
486
             cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
487 488

  vp9_update_mode_info_border(cm, cm->mip);
489 490
  vp9_update_mode_info_border(cm, cm->prev_mip);

491
  vp9_zero(cm->ref_frame_sign_bias);
492 493 494

  cm->frame_context_idx = 0;
}