vp9_entropymode.c 23.4 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
const vp9_prob vp9_kf_uv_mode_prob[VP9_INTRA_MODES]
                                  [VP9_INTRA_MODES - 1] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
19 20 21 22 23 24 25 26 27 28
  { 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 = d27 */,
  { 116,  12,  64, 120, 140, 125,  49, 115, 121 } /* y = d63 */,
  { 102,  19,  66, 162, 182, 122,  35,  59, 128 } /* y = tm */
29
};
30

31 32
static const vp9_prob default_if_y_probs[BLOCK_SIZE_GROUPS]
                                        [VP9_INTRA_MODES - 1] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
33 34 35 36
  {  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 */
37 38
};

39 40
static const vp9_prob default_if_uv_probs[VP9_INTRA_MODES]
                                         [VP9_INTRA_MODES - 1] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
41 42 43 44 45 46 47 48 49 50
  { 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 = d27 */,
  {  77,   7,  64, 116, 132, 122,  37, 126, 120 } /* y = d63 */,
  { 101,  21, 107, 181, 192, 103,  19,  67, 125 } /* y = tm */
John Koleszar's avatar
John Koleszar committed
51 52
};

53 54 55
static const vp9_prob default_partition_probs[NUM_FRAME_TYPES]
                                             [NUM_PARTITION_CONTEXTS]
                                             [PARTITION_TYPES - 1] = {
56 57
  { /* frame_type = keyframe */
    /* 8x8 -> 4x4 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
58 59 60 61
    { 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 */,
62
    /* 16x16 -> 8x8 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
63 64 65 66
    { 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 */,
67
    /* 32x32 -> 16x16 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
68 69 70 71
    { 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 */,
72
    /* 64x64 -> 32x32 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
73 74 75 76
    { 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 */
77 78
  }, { /* frame_type = interframe */
    /* 8x8 -> 4x4 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
79 80 81 82
    { 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 */,
83
    /* 16x16 -> 8x8 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
84 85 86 87
    { 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 */,
88
    /* 32x32 -> 16x16 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
89 90 91 92
    { 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 */,
93
    /* 64x64 -> 32x32 */
Ronald S. Bultje's avatar
Ronald S. Bultje committed
94 95 96 97
    { 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 */
98
  }
99 100
};

101 102 103
const vp9_prob vp9_kf_y_mode_prob[VP9_INTRA_MODES]
                                 [VP9_INTRA_MODES]
                                 [VP9_INTRA_MODES - 1] = {
104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
  { /* 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 = d27 */,
    {  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 = d27 */,
    {  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 = d27 */,
    {  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 = d27 */,
    {  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 = d27 */,
    {  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 = d27 */,
    {  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 = d27 */,
    {  55,  30,  18, 122,  79, 179,  44,  88, 116 } /* left = d63 */,
    {  37,  49,  25, 129, 168, 164,  41,  54, 148 } /* left = tm */
  }, { /* above = d27 */
    {  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 = d27 */,
    {  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 = d27 */,
    {  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 = d27 */,
    {  42,  44,  44, 104, 105, 164,  64, 130,  80 } /* left = d63 */,
    {  43,  81,  53, 140, 169, 204,  68,  84,  72 } /* left = tm */
  }
};

Dmitry Kovalev's avatar
Dmitry Kovalev committed
217 218 219 220 221 222 223 224 225 226 227
static const vp9_prob default_inter_mode_probs[INTER_MODE_CONTEXTS]
                                              [VP9_INTER_MODES - 1] = {
  {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
228
/* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
229
const vp9_tree_index vp9_intra_mode_tree[VP9_INTRA_MODES * 2 - 2] = {
Yaowu Xu's avatar
Yaowu Xu committed
230 231 232 233 234 235 236 237 238
  -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 */
  -D153_PRED, -D27_PRED             /* 8 = D153_NODE */
John Koleszar's avatar
John Koleszar committed
239 240
};

241
const vp9_tree_index vp9_inter_mode_tree[6] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
242 243 244 245 246
  -ZEROMV, 2,
  -NEARESTMV, 4,
  -NEARMV, -NEWMV
};

247 248 249 250 251 252
const vp9_tree_index vp9_partition_tree[6] = {
  -PARTITION_NONE, 2,
  -PARTITION_HORZ, 4,
  -PARTITION_VERT, -PARTITION_SPLIT
};

253
struct vp9_token vp9_intra_mode_encodings[VP9_INTRA_MODES];
254
struct vp9_token vp9_inter_mode_encodings[VP9_INTER_MODES];
John Koleszar's avatar
John Koleszar committed
255

256 257
struct vp9_token vp9_partition_encodings[PARTITION_TYPES];

Ronald S. Bultje's avatar
Ronald S. Bultje committed
258
static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
259
  9, 102, 187, 225
Ronald S. Bultje's avatar
Ronald S. Bultje committed
260 261 262
};

static const vp9_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
263
  239, 183, 119,  96,  41
Ronald S. Bultje's avatar
Ronald S. Bultje committed
264 265 266
};

static const vp9_prob default_comp_ref_p[REF_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
267
  50, 126, 123, 221, 226
Ronald S. Bultje's avatar
Ronald S. Bultje committed
268 269 270
};

static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
271 272 273 274 275
  {  33,  16 },
  {  77,  74 },
  { 142, 142 },
  { 172, 170 },
  { 238, 247 }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
276 277
};

278 279 280 281 282 283 284 285 286
static const struct tx_probs default_tx_probs = {
  { { 3, 136, 37 },
    { 5, 52,  13 } },

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

  { { 100 },
    { 66  } }
287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304
};

void tx_counts_to_branch_counts_32x32(unsigned int *tx_count_32x32p,
                                      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];
}

void tx_counts_to_branch_counts_16x16(unsigned int *tx_count_16x16p,
                                      unsigned int (*ct_16x16p)[2]) {
  ct_16x16p[0][0] = tx_count_16x16p[TX_4X4];
Dmitry Kovalev's avatar
Dmitry Kovalev committed
305
  ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
306 307 308 309 310 311
  ct_16x16p[1][0] = tx_count_16x16p[TX_8X8];
  ct_16x16p[1][1] = tx_count_16x16p[TX_16X16];
}

void tx_counts_to_branch_counts_8x8(unsigned int *tx_count_8x8p,
                                    unsigned int (*ct_8x8p)[2]) {
Dmitry Kovalev's avatar
Dmitry Kovalev committed
312 313
  ct_8x8p[0][0] = tx_count_8x8p[TX_4X4];
  ct_8x8p[0][1] = tx_count_8x8p[TX_8X8];
314
}
315

316
static const vp9_prob default_mbskip_probs[MBSKIP_CONTEXTS] = {
Deb Mukherjee's avatar
Deb Mukherjee committed
317 318 319
  192, 128, 64
};

320 321 322 323 324 325 326 327
static const vp9_prob default_switchable_interp_prob[VP9_SWITCHABLE_FILTERS+1]
                                                  [VP9_SWITCHABLE_FILTERS-1] = {
  { 235, 162, },
  { 36, 255, },
  { 34, 3, },
  { 149, 144, },
};

Dmitry Kovalev's avatar
Dmitry Kovalev committed
328 329 330
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);
331 332
  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
333 334 335 336
  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);
337 338
  cm->fc.tx_probs = default_tx_probs;
  vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs);
John Koleszar's avatar
John Koleszar committed
339 340
}

341
const vp9_tree_index vp9_switchable_interp_tree[VP9_SWITCHABLE_FILTERS*2-2] = {
342 343 344
  -0, 2,
  -1, -2
};
345
struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS];
Adrian Grange's avatar
Adrian Grange committed
346 347
const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP9_SWITCHABLE_FILTERS] = {
  EIGHTTAP, EIGHTTAP_SMOOTH, EIGHTTAP_SHARP};
348
const int vp9_switchable_interp_map[SWITCHABLE + 1] = {1, 0, 2, -1, -1};
349

350
void vp9_entropy_mode_init() {
351
  vp9_tokens_from_tree(vp9_intra_mode_encodings, vp9_intra_mode_tree);
352 353
  vp9_tokens_from_tree(vp9_switchable_interp_encodings,
                       vp9_switchable_interp_tree);
354
  vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree);
355 356
  vp9_tokens_from_tree_offset(vp9_inter_mode_encodings,
                              vp9_inter_mode_tree, NEARESTMV);
John Koleszar's avatar
John Koleszar committed
357
}
Yaowu Xu's avatar
Yaowu Xu committed
358

359
void vp9_accum_mv_refs(VP9_COMMON *pc,
Yaowu Xu's avatar
Yaowu Xu committed
360
                       MB_PREDICTION_MODE m,
Paul Wilkins's avatar
Paul Wilkins committed
361
                       const int context) {
362
  unsigned int (*inter_mode_counts)[VP9_INTER_MODES - 1][2] =
363
      pc->counts.inter_mode;
John Koleszar's avatar
John Koleszar committed
364 365

  if (m == ZEROMV) {
366
    ++inter_mode_counts[context][0][0];
John Koleszar's avatar
John Koleszar committed
367
  } else {
368
    ++inter_mode_counts[context][0][1];
John Koleszar's avatar
John Koleszar committed
369
    if (m == NEARESTMV) {
370
      ++inter_mode_counts[context][1][0];
John Koleszar's avatar
John Koleszar committed
371
    } else {
372
      ++inter_mode_counts[context][1][1];
John Koleszar's avatar
John Koleszar committed
373
      if (m == NEARMV) {
374
        ++inter_mode_counts[context][2][0];
John Koleszar's avatar
John Koleszar committed
375
      } else {
376
        ++inter_mode_counts[context][2][1];
John Koleszar's avatar
John Koleszar committed
377
      }
Yaowu Xu's avatar
Yaowu Xu committed
378
    }
John Koleszar's avatar
John Koleszar committed
379
  }
Yaowu Xu's avatar
Yaowu Xu committed
380 381
}

382 383
#define COUNT_SAT 20
#define MAX_UPDATE_FACTOR 128
384

385 386
static int update_ct(vp9_prob pre_prob, vp9_prob prob, unsigned int ct[2]) {
  return merge_probs(pre_prob, prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
387 388
}

389
static int update_ct2(vp9_prob pre_prob, unsigned int ct[2]) {
390
  return merge_probs2(pre_prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
391 392
}

393
static void update_mode_probs(int n_modes,
394
                              const vp9_tree_index *tree, unsigned int *cnt,
395 396
                              vp9_prob *pre_probs, vp9_prob *dst_probs,
                              unsigned int tok0_offset) {
397 398 399
#define MAX_PROBS 32
  vp9_prob probs[MAX_PROBS];
  unsigned int branch_ct[MAX_PROBS][2];
Ronald S. Bultje's avatar
Ronald S. Bultje committed
400
  int t;
401 402

  assert(n_modes - 1 < MAX_PROBS);
403
  vp9_tree_probs_from_distribution(tree, probs, branch_ct, cnt, tok0_offset);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
404
  for (t = 0; t < n_modes - 1; ++t)
405
    dst_probs[t] = update_ct(pre_probs[t], probs[t], branch_ct[t]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
406 407
}

408
void vp9_adapt_mode_probs(VP9_COMMON *cm) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
409
  int i, j;
410
  FRAME_CONTEXT *fc = &cm->fc;
411
  FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
412
  FRAME_COUNTS *counts = &cm->counts;
413

Ronald S. Bultje's avatar
Ronald S. Bultje committed
414
  for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
415
    fc->intra_inter_prob[i] = update_ct2(pre_fc->intra_inter_prob[i],
416
                                         counts->intra_inter[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
417
  for (i = 0; i < COMP_INTER_CONTEXTS; i++)
418
    fc->comp_inter_prob[i] = update_ct2(pre_fc->comp_inter_prob[i],
419
                                        counts->comp_inter[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
420
  for (i = 0; i < REF_CONTEXTS; i++)
421
    fc->comp_ref_prob[i] = update_ct2(pre_fc->comp_ref_prob[i],
422
                                      counts->comp_ref[i]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
423 424
  for (i = 0; i < REF_CONTEXTS; i++)
    for (j = 0; j < 2; j++)
425
      fc->single_ref_prob[i][j] = update_ct2(pre_fc->single_ref_prob[i][j],
426
                                             counts->single_ref[i][j]);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
427

428 429 430 431
  for (j = 0; j < INTER_MODE_CONTEXTS; j++)
      for (i = 0; i < VP9_INTER_MODES - 1; i++)
        fc->inter_mode_probs[j][i] = update_ct2(pre_fc->inter_mode_probs[j][i],
                                                counts->inter_mode[j][i]);
432 433
  for (i = 0; i < BLOCK_SIZE_GROUPS; i++)
    update_mode_probs(VP9_INTRA_MODES, vp9_intra_mode_tree,
434
                      counts->y_mode[i], pre_fc->y_mode_prob[i],
435
                      fc->y_mode_prob[i], 0);
436

437 438
  for (i = 0; i < VP9_INTRA_MODES; ++i)
    update_mode_probs(VP9_INTRA_MODES, vp9_intra_mode_tree,
439
                      counts->uv_mode[i], pre_fc->uv_mode_prob[i],
440 441
                      fc->uv_mode_prob[i], 0);

442
  for (i = 0; i < NUM_PARTITION_CONTEXTS; i++)
443
    update_mode_probs(PARTITION_TYPES, vp9_partition_tree,
444
                      counts->partition[i],
445
                      pre_fc->partition_prob[INTER_FRAME][i],
446
                      fc->partition_prob[INTER_FRAME][i], 0);
447 448

  if (cm->mcomp_filter_type == SWITCHABLE) {
449
    for (i = 0; i <= VP9_SWITCHABLE_FILTERS; i++)
450
      update_mode_probs(VP9_SWITCHABLE_FILTERS, vp9_switchable_interp_tree,
451
                        counts->switchable_interp[i],
452
                        pre_fc->switchable_interp_prob[i],
453 454
                        fc->switchable_interp_prob[i], 0);
  }
455

456
  if (cm->tx_mode == TX_MODE_SELECT) {
457 458 459 460
    int j;
    unsigned int branch_ct_8x8p[TX_SIZE_MAX_SB - 3][2];
    unsigned int branch_ct_16x16p[TX_SIZE_MAX_SB - 2][2];
    unsigned int branch_ct_32x32p[TX_SIZE_MAX_SB - 1][2];
461

462
    for (i = 0; i < TX_SIZE_CONTEXTS; ++i) {
463
      tx_counts_to_branch_counts_8x8(counts->tx.p8x8[i], branch_ct_8x8p);
464
      for (j = 0; j < TX_SIZE_MAX_SB - 3; ++j)
465 466
        fc->tx_probs.p8x8[i][j] = update_ct2(pre_fc->tx_probs.p8x8[i][j],
                                             branch_ct_8x8p[j]);
467

468
      tx_counts_to_branch_counts_16x16(counts->tx.p16x16[i],
469
                                       branch_ct_16x16p);
470
      for (j = 0; j < TX_SIZE_MAX_SB - 2; ++j)
471 472
        fc->tx_probs.p16x16[i][j] = update_ct2(pre_fc->tx_probs.p16x16[i][j],
                                               branch_ct_16x16p[j]);
473

474
      tx_counts_to_branch_counts_32x32(counts->tx.p32x32[i],
475
                                       branch_ct_32x32p);
476
      for (j = 0; j < TX_SIZE_MAX_SB - 1; ++j)
477 478
        fc->tx_probs.p32x32[i][j] = update_ct2(pre_fc->tx_probs.p32x32[i][j],
                                               branch_ct_32x32p[j]);
479 480
    }
  }
481

Deb Mukherjee's avatar
Deb Mukherjee committed
482
  for (i = 0; i < MBSKIP_CONTEXTS; ++i)
483
    fc->mbskip_probs[i] = update_ct2(pre_fc->mbskip_probs[i],
484
                                     counts->mbskip[i]);
485
}
486 487

static void set_default_lf_deltas(MACROBLOCKD *xd) {
488 489
  xd->lf.mode_ref_delta_enabled = 1;
  xd->lf.mode_ref_delta_update = 1;
490

491 492 493 494
  xd->lf.ref_deltas[INTRA_FRAME] = 1;
  xd->lf.ref_deltas[LAST_FRAME] = 0;
  xd->lf.ref_deltas[GOLDEN_FRAME] = -1;
  xd->lf.ref_deltas[ALTREF_FRAME] = -1;
495

496 497
  xd->lf.mode_deltas[0] = 0;
  xd->lf.mode_deltas[1] = 0;
498 499 500 501 502 503
}

void vp9_setup_past_independence(VP9_COMMON *cm, MACROBLOCKD *xd) {
  // Reset the segment feature data to the default stats:
  // Features disabled, 0, with delta coding (Default state).
  int i;
504 505
  vp9_clearall_segfeatures(&xd->seg);
  xd->seg.abs_delta = SEGMENT_DELTADATA;
506
  if (cm->last_frame_seg_map)
507
    vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
508

509
  // Reset the mode ref deltas for loop filter
510 511
  vp9_zero(xd->lf.last_ref_deltas);
  vp9_zero(xd->lf.last_mode_deltas);
512 513 514
  set_default_lf_deltas(xd);

  // To force update of the sharpness
515
  xd->lf.last_sharpness_level = -1;
516

517 518 519 520
  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);
521

522 523
  if (cm->frame_type == KEY_FRAME ||
      cm->error_resilient_mode || cm->reset_frame_context == 3) {
Adrian Grange's avatar
Adrian Grange committed
524 525
    // Reset all frame contexts.
    for (i = 0; i < NUM_FRAME_CONTEXTS; ++i)
526
      cm->frame_contexts[i] = cm->fc;
Adrian Grange's avatar
Adrian Grange committed
527 528
  } else if (cm->reset_frame_context == 2) {
    // Reset only the frame context specified in the frame header.
529
    cm->frame_contexts[cm->frame_context_idx] = cm->fc;
Adrian Grange's avatar
Adrian Grange committed
530
  }
531 532

  vpx_memset(cm->prev_mip, 0,
533
             cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
534
  vpx_memset(cm->mip, 0,
535
             cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
536 537 538 539

  vp9_update_mode_info_border(cm, cm->mip);
  vp9_update_mode_info_in_image(cm, cm->mi);

540 541 542
  vp9_update_mode_info_border(cm, cm->prev_mip);
  vp9_update_mode_info_in_image(cm, cm->prev_mi);

543
  vp9_zero(cm->ref_frame_sign_bias);
544 545 546

  cm->frame_context_idx = 0;
}