vp9_entropymode.c 25.8 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
static const vp9_prob default_kf_uv_probs[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
};

101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
static const vp9_prob default_kf_bmode_probs[VP9_INTRA_MODES]
                                            [VP9_INTRA_MODES]
                                            [VP9_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 = 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_sb_mv_ref_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

255
struct vp9_token vp9_sb_mv_ref_encoding_array[VP9_INTER_MODES];
John Koleszar's avatar
John Koleszar committed
256

257 258
struct vp9_token vp9_partition_encodings[PARTITION_TYPES];

Ronald S. Bultje's avatar
Ronald S. Bultje committed
259
static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
260
  9, 102, 187, 225
Ronald S. Bultje's avatar
Ronald S. Bultje committed
261 262 263
};

static const vp9_prob default_comp_inter_p[COMP_INTER_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
264
  239, 183, 119,  96,  41
Ronald S. Bultje's avatar
Ronald S. Bultje committed
265 266 267
};

static const vp9_prob default_comp_ref_p[REF_CONTEXTS] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
268
  50, 126, 123, 221, 226
Ronald S. Bultje's avatar
Ronald S. Bultje committed
269 270 271
};

static const vp9_prob default_single_ref_p[REF_CONTEXTS][2] = {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
272 273 274 275 276
  {  33,  16 },
  {  77,  74 },
  { 142, 142 },
  { 172, 170 },
  { 238, 247 }
Ronald S. Bultje's avatar
Ronald S. Bultje committed
277 278
};

279 280 281 282 283 284 285 286 287
static const struct tx_probs default_tx_probs = {
  { { 3, 136, 37 },
    { 5, 52,  13 } },

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

  { { 100 },
    { 66  } }
288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
};

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
306
  ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
307 308 309 310 311 312
  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
313 314
  ct_8x8p[0][0] = tx_count_8x8p[TX_4X4];
  ct_8x8p[0][1] = tx_count_8x8p[TX_8X8];
315
}
316

317
static const vp9_prob default_mbskip_probs[MBSKIP_CONTEXTS] = {
Deb Mukherjee's avatar
Deb Mukherjee committed
318 319 320
  192, 128, 64
};

321 322 323 324 325 326 327 328
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
329 330 331 332
void vp9_init_mbmode_probs(VP9_COMMON *cm) {
  vp9_copy(cm->fc.uv_mode_prob, default_if_uv_probs);
  vp9_copy(cm->kf_uv_mode_prob, default_kf_uv_probs);
  vp9_copy(cm->fc.y_mode_prob, default_if_y_probs);
333 334
  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
335 336 337 338
  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);
339 340
  cm->fc.tx_probs = default_tx_probs;
  vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs);
John Koleszar's avatar
John Koleszar committed
341 342
}

343
const vp9_tree_index vp9_switchable_interp_tree[VP9_SWITCHABLE_FILTERS*2-2] = {
344 345 346
  -0, 2,
  -1, -2
};
347
struct vp9_token vp9_switchable_interp_encodings[VP9_SWITCHABLE_FILTERS];
Adrian Grange's avatar
Adrian Grange committed
348 349
const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP9_SWITCHABLE_FILTERS] = {
  EIGHTTAP, EIGHTTAP_SMOOTH, EIGHTTAP_SHARP};
350
const int vp9_switchable_interp_map[SWITCHABLE + 1] = {1, 0, 2, -1, -1};
351 352

// Indicates if the filter is interpolating or non-interpolating
Deb Mukherjee's avatar
Deb Mukherjee committed
353
const int vp9_is_interpolating_filter[SWITCHABLE + 1] = {1, 1, 1, 1, -1};
John Koleszar's avatar
John Koleszar committed
354

355
void vp9_entropy_mode_init() {
356
  vp9_tokens_from_tree(vp9_intra_mode_encodings, vp9_intra_mode_tree);
357 358
  vp9_tokens_from_tree(vp9_switchable_interp_encodings,
                       vp9_switchable_interp_tree);
359
  vp9_tokens_from_tree(vp9_partition_encodings, vp9_partition_tree);
360 361
  vp9_tokens_from_tree_offset(vp9_sb_mv_ref_encoding_array,
                              vp9_sb_mv_ref_tree, NEARESTMV);
John Koleszar's avatar
John Koleszar committed
362
}
Yaowu Xu's avatar
Yaowu Xu committed
363

364
void vp9_init_mode_contexts(VP9_COMMON *pc) {
365 366
  vp9_zero(pc->fc.inter_mode_counts);
  vp9_copy(pc->fc.inter_mode_probs, default_inter_mode_probs);
Yaowu Xu's avatar
Yaowu Xu committed
367 368
}

369
void vp9_accum_mv_refs(VP9_COMMON *pc,
Yaowu Xu's avatar
Yaowu Xu committed
370
                       MB_PREDICTION_MODE m,
Paul Wilkins's avatar
Paul Wilkins committed
371
                       const int context) {
372
  unsigned int (*inter_mode_counts)[VP9_INTER_MODES - 1][2] =
373
      pc->fc.inter_mode_counts;
John Koleszar's avatar
John Koleszar committed
374 375

  if (m == ZEROMV) {
376
    ++inter_mode_counts[context][0][0];
John Koleszar's avatar
John Koleszar committed
377
  } else {
378
    ++inter_mode_counts[context][0][1];
John Koleszar's avatar
John Koleszar committed
379
    if (m == NEARESTMV) {
380
      ++inter_mode_counts[context][1][0];
John Koleszar's avatar
John Koleszar committed
381
    } else {
382
      ++inter_mode_counts[context][1][1];
John Koleszar's avatar
John Koleszar committed
383
      if (m == NEARMV) {
384
        ++inter_mode_counts[context][2][0];
John Koleszar's avatar
John Koleszar committed
385
      } else {
386
        ++inter_mode_counts[context][2][1];
John Koleszar's avatar
John Koleszar committed
387
      }
Yaowu Xu's avatar
Yaowu Xu committed
388
    }
John Koleszar's avatar
John Koleszar committed
389
  }
Yaowu Xu's avatar
Yaowu Xu committed
390 391
}

392
#define MVREF_COUNT_SAT 20
393
#define MVREF_MAX_UPDATE_FACTOR 128
394
void vp9_adapt_mode_context(VP9_COMMON *pc) {
John Koleszar's avatar
John Koleszar committed
395
  int i, j;
396
  unsigned int (*inter_mode_counts)[VP9_INTER_MODES - 1][2] =
397
      pc->fc.inter_mode_counts;
398
  vp9_prob (*mode_context)[VP9_INTER_MODES - 1] = pc->fc.inter_mode_probs;
John Koleszar's avatar
John Koleszar committed
399

Paul Wilkins's avatar
Paul Wilkins committed
400
  for (j = 0; j < INTER_MODE_CONTEXTS; j++) {
401
    for (i = 0; i < VP9_INTER_MODES - 1; i++) {
402 403
      int count = inter_mode_counts[j][i][0] + inter_mode_counts[j][i][1];
      int factor;
404 405
      count = count > MVREF_COUNT_SAT ? MVREF_COUNT_SAT : count;
      factor = (MVREF_MAX_UPDATE_FACTOR * count / MVREF_COUNT_SAT);
406 407 408 409 410
      mode_context[j][i] = weighted_prob(
          pc->fc.pre_inter_mode_probs[j][i],
          get_binary_prob(inter_mode_counts[j][i][0],
                          inter_mode_counts[j][i][1]),
          factor);
Yaowu Xu's avatar
Yaowu Xu committed
411
    }
John Koleszar's avatar
John Koleszar committed
412
  }
Yaowu Xu's avatar
Yaowu Xu committed
413
}
414

Deb Mukherjee's avatar
Deb Mukherjee committed
415
#define MODE_COUNT_SAT 20
416
#define MODE_MAX_UPDATE_FACTOR 128
417

Deb Mukherjee's avatar
Deb Mukherjee committed
418
static int update_mode_ct(vp9_prob pre_prob, vp9_prob prob,
419 420 421
                          unsigned int ct[2]) {
  const int count = MIN(ct[0] + ct[1], MODE_COUNT_SAT);
  const int factor = MODE_MAX_UPDATE_FACTOR * count / MODE_COUNT_SAT;
Ronald S. Bultje's avatar
Ronald S. Bultje committed
422 423 424
  return weighted_prob(pre_prob, prob, factor);
}

425 426 427 428 429 430 431 432 433 434
static int update_mode_ct2(vp9_prob pre_prob, unsigned int ct[2]) {
  return update_mode_ct(pre_prob, get_binary_prob(ct[0], ct[1]), ct);
}

static vp9_prob update_tx_ct(vp9_prob prob, unsigned int ct[2]) {
  const int count = MIN(ct[0] + ct[1], MODE_COUNT_SAT);
  const int factor = count * MODE_MAX_UPDATE_FACTOR / MODE_COUNT_SAT;
  return weighted_prob(prob, get_binary_prob(ct[0], ct[1]), factor);
}

435
static void update_mode_probs(int n_modes,
436
                              const vp9_tree_index *tree, unsigned int *cnt,
437 438
                              vp9_prob *pre_probs, vp9_prob *dst_probs,
                              unsigned int tok0_offset) {
439 440 441
#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
442
  int t;
443 444

  assert(n_modes - 1 < MAX_PROBS);
445
  vp9_tree_probs_from_distribution(tree, probs, branch_ct, cnt, tok0_offset);
Ronald S. Bultje's avatar
Ronald S. Bultje committed
446 447 448 449
  for (t = 0; t < n_modes - 1; ++t)
    dst_probs[t] = update_mode_ct(pre_probs[t], probs[t], branch_ct[t]);
}

450
// #define MODE_COUNT_TESTING
451
void vp9_adapt_mode_probs(VP9_COMMON *cm) {
Ronald S. Bultje's avatar
Ronald S. Bultje committed
452
  int i, j;
453
  FRAME_CONTEXT *fc = &cm->fc;
454
#ifdef MODE_COUNT_TESTING
455 456
  int t;

John Koleszar's avatar
John Koleszar committed
457
  printf("static const unsigned int\nymode_counts"
458 459
         "[VP9_INTRA_MODES] = {\n");
  for (t = 0; t < VP9_INTRA_MODES; ++t)
460
    printf("%d, ", fc->ymode_counts[t]);
John Koleszar's avatar
John Koleszar committed
461 462
  printf("};\n");
  printf("static const unsigned int\nuv_mode_counts"
463 464
         "[VP9_INTRA_MODES] [VP9_INTRA_MODES] = {\n");
  for (i = 0; i < VP9_INTRA_MODES; ++i) {
John Koleszar's avatar
John Koleszar committed
465
    printf("  {");
466
    for (t = 0; t < VP9_INTRA_MODES; ++t)
467
      printf("%d, ", fc->uv_mode_counts[i][t]);
John Koleszar's avatar
John Koleszar committed
468 469 470 471
    printf("},\n");
  }
  printf("};\n");
  printf("static const unsigned int\nbmode_counts"
472 473
         "[VP9_NKF_BINTRAMODES] = {\n");
  for (t = 0; t < VP9_NKF_BINTRAMODES; ++t)
474
    printf("%d, ", fc->bmode_counts[t]);
John Koleszar's avatar
John Koleszar committed
475 476
  printf("};\n");
  printf("static const unsigned int\ni8x8_mode_counts"
477
         "[VP9_I8X8_MODES] = {\n");
478 479
  for (t = 0; t < VP9_I8X8_MODES; ++t)
    printf("%d, ", fc->i8x8_mode_counts[t]);
John Koleszar's avatar
John Koleszar committed
480 481
  printf("};\n");
  printf("static const unsigned int\nmbsplit_counts"
482
         "[VP9_NUMMBSPLITS] = {\n");
483 484
  for (t = 0; t < VP9_NUMMBSPLITS; ++t)
    printf("%d, ", fc->mbsplit_counts[t]);
John Koleszar's avatar
John Koleszar committed
485
  printf("};\n");
486
#endif
487

Ronald S. Bultje's avatar
Ronald S. Bultje committed
488 489 490 491 492 493 494 495 496 497 498 499 500 501
  for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
    fc->intra_inter_prob[i] = update_mode_ct2(fc->pre_intra_inter_prob[i],
                                              fc->intra_inter_count[i]);
  for (i = 0; i < COMP_INTER_CONTEXTS; i++)
    fc->comp_inter_prob[i] = update_mode_ct2(fc->pre_comp_inter_prob[i],
                                             fc->comp_inter_count[i]);
  for (i = 0; i < REF_CONTEXTS; i++)
    fc->comp_ref_prob[i] = update_mode_ct2(fc->pre_comp_ref_prob[i],
                                           fc->comp_ref_count[i]);
  for (i = 0; i < REF_CONTEXTS; i++)
    for (j = 0; j < 2; j++)
      fc->single_ref_prob[i][j] = update_mode_ct2(fc->pre_single_ref_prob[i][j],
                                                  fc->single_ref_count[i][j]);

502 503 504 505
  for (i = 0; i < BLOCK_SIZE_GROUPS; i++)
    update_mode_probs(VP9_INTRA_MODES, vp9_intra_mode_tree,
                      fc->y_mode_counts[i], fc->pre_y_mode_prob[i],
                      fc->y_mode_prob[i], 0);
506

507 508
  for (i = 0; i < VP9_INTRA_MODES; ++i)
    update_mode_probs(VP9_INTRA_MODES, vp9_intra_mode_tree,
509 510 511
                      fc->uv_mode_counts[i], fc->pre_uv_mode_prob[i],
                      fc->uv_mode_prob[i], 0);

512
  for (i = 0; i < NUM_PARTITION_CONTEXTS; i++)
513
    update_mode_probs(PARTITION_TYPES, vp9_partition_tree,
514
                      fc->partition_counts[i], fc->pre_partition_prob[i],
515
                      fc->partition_prob[INTER_FRAME][i], 0);
516 517

  if (cm->mcomp_filter_type == SWITCHABLE) {
518
    for (i = 0; i <= VP9_SWITCHABLE_FILTERS; i++)
519 520 521 522 523
      update_mode_probs(VP9_SWITCHABLE_FILTERS, vp9_switchable_interp_tree,
                        fc->switchable_interp_count[i],
                        fc->pre_switchable_interp_prob[i],
                        fc->switchable_interp_prob[i], 0);
  }
524

525
  if (cm->txfm_mode == TX_MODE_SELECT) {
526 527 528 529
    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];
530

531
    for (i = 0; i < TX_SIZE_CONTEXTS; ++i) {
532
      tx_counts_to_branch_counts_8x8(fc->tx_counts.p8x8[i], branch_ct_8x8p);
533
      for (j = 0; j < TX_SIZE_MAX_SB - 3; ++j)
534
        fc->tx_probs.p8x8[i][j] = update_tx_ct(fc->pre_tx_probs.p8x8[i][j],
535 536
                                               branch_ct_8x8p[j]);

537
      tx_counts_to_branch_counts_16x16(fc->tx_counts.p16x16[i],
538
                                       branch_ct_16x16p);
539
      for (j = 0; j < TX_SIZE_MAX_SB - 2; ++j)
540
        fc->tx_probs.p16x16[i][j] = update_tx_ct(fc->tx_probs.p16x16[i][j],
541 542
                                                 branch_ct_16x16p[j]);

543
      tx_counts_to_branch_counts_32x32(fc->tx_counts.p32x32[i],
544
                                       branch_ct_32x32p);
545
      for (j = 0; j < TX_SIZE_MAX_SB - 1; ++j)
546
        fc->tx_probs.p32x32[i][j] = update_tx_ct(fc->pre_tx_probs.p32x32[i][j],
547
                                                 branch_ct_32x32p[j]);
548 549
    }
  }
550

Deb Mukherjee's avatar
Deb Mukherjee committed
551 552 553
  for (i = 0; i < MBSKIP_CONTEXTS; ++i)
    fc->mbskip_probs[i] = update_mode_ct2(fc->pre_mbskip_probs[i],
                                          fc->mbskip_count[i]);
554
}
555 556 557 558 559

static void set_default_lf_deltas(MACROBLOCKD *xd) {
  xd->mode_ref_lf_delta_enabled = 1;
  xd->mode_ref_lf_delta_update = 1;

560
  xd->ref_lf_deltas[INTRA_FRAME] = 1;
561
  xd->ref_lf_deltas[LAST_FRAME] = 0;
562 563
  xd->ref_lf_deltas[GOLDEN_FRAME] = -1;
  xd->ref_lf_deltas[ALTREF_FRAME] = -1;
564

565 566
  xd->mode_lf_deltas[0] = 0;
  xd->mode_lf_deltas[1] = 0;
567 568 569 570 571 572
}

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;
573 574
  vp9_clearall_segfeatures(&xd->seg);
  xd->seg.abs_delta = SEGMENT_DELTADATA;
575
  if (cm->last_frame_seg_map)
576
    vpx_memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
577

578
  // Reset the mode ref deltas for loop filter
579 580
  vp9_zero(xd->last_ref_lf_deltas);
  vp9_zero(xd->last_mode_lf_deltas);
581 582 583 584
  set_default_lf_deltas(xd);

  vp9_default_coef_probs(cm);
  vp9_init_mbmode_probs(cm);
585

586
  vp9_copy(cm->kf_y_mode_prob, default_kf_bmode_probs);
587

588
  vp9_init_mv_probs(cm);
589

590 591 592 593 594
  // To force update of the sharpness
  cm->last_sharpness_level = -1;

  vp9_init_mode_contexts(cm);

595 596
  if (cm->frame_type == KEY_FRAME ||
      cm->error_resilient_mode || cm->reset_frame_context == 3) {
Adrian Grange's avatar
Adrian Grange committed
597 598
    // Reset all frame contexts.
    for (i = 0; i < NUM_FRAME_CONTEXTS; ++i)
599
      cm->frame_contexts[i] = cm->fc;
Adrian Grange's avatar
Adrian Grange committed
600 601
  } else if (cm->reset_frame_context == 2) {
    // Reset only the frame context specified in the frame header.
602
    cm->frame_contexts[cm->frame_context_idx] = cm->fc;
Adrian Grange's avatar
Adrian Grange committed
603
  }
604 605

  vpx_memset(cm->prev_mip, 0,
606
             cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
607
  vpx_memset(cm->mip, 0,
608
             cm->mode_info_stride * (cm->mi_rows + 1) * sizeof(MODE_INFO));
609 610 611 612

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

613 614 615
  vp9_update_mode_info_border(cm, cm->prev_mip);
  vp9_update_mode_info_in_image(cm, cm->prev_mi);

616
  vp9_zero(cm->ref_frame_sign_bias);
617 618 619

  cm->frame_context_idx = 0;
}