libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_entropymode.c

Index: source/libvpx/vp9/common/vp9_entropymode.c
===================================================================
--- source/libvpx/vp9/common/vp9_entropymode.c	(revision 232232)
+++ source/libvpx/vp9/common/vp9_entropymode.c	(working copy)
@@ -14,203 +14,197 @@
 #include "vp9/common/vp9_onyxc_int.h"
 #include "vp9/common/vp9_seg_common.h"
 
-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 */
+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
+  }
 };
 
-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 */
+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
 };
 
-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 */
+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
 };
 
-static const vp9_prob default_partition_probs[NUM_FRAME_TYPES]
-                                             [NUM_PARTITION_CONTEXTS]
-                                             [PARTITION_TYPES - 1] = {
-  { /* frame_type = keyframe */
-    /* 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 */
-  }, { /* frame_type = interframe */
-    /* 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 */
-  }
+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
 };
 
-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 */
+static const vp9_prob default_partition_probs[FRAME_TYPES][PARTITION_CONTEXTS]
+                                             [PARTITION_TYPES - 1] = {
+  {  // frame_type = keyframe
+    // 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
+  }, {  // frame_type = interframe
+    // 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
   }
 };
 
@@ -226,7 +220,7 @@
 };
 
 /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
-const vp9_tree_index vp9_intra_mode_tree[INTRA_MODES * 2 - 2] = {
+const vp9_tree_index vp9_intra_mode_tree[TREE_SIZE(INTRA_MODES)] = {
   -DC_PRED, 2,                      /* 0 = DC_NODE */
   -TM_PRED, 4,                      /* 1 = TM_NODE */
   -V_PRED, 6,                       /* 2 = V_NODE */
@@ -237,22 +231,20 @@
   -D63_PRED, 16,                    /* 7 = D63_NODE */
   -D153_PRED, -D207_PRED             /* 8 = D153_NODE */
 };
+struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
 
-const vp9_tree_index vp9_inter_mode_tree[6] = {
+const vp9_tree_index vp9_inter_mode_tree[TREE_SIZE(INTER_MODES)] = {
   -ZEROMV, 2,
   -NEARESTMV, 4,
   -NEARMV, -NEWMV
 };
+struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
 
-const vp9_tree_index vp9_partition_tree[6] = {
+const vp9_tree_index vp9_partition_tree[TREE_SIZE(PARTITION_TYPES)] = {
   -PARTITION_NONE, 2,
   -PARTITION_HORZ, 4,
   -PARTITION_VERT, -PARTITION_SPLIT
 };
-
-struct vp9_token vp9_intra_mode_encodings[INTRA_MODES];
-struct vp9_token vp9_inter_mode_encodings[INTER_MODES];
-
 struct vp9_token vp9_partition_encodings[PARTITION_TYPES];
 
 static const vp9_prob default_intra_inter_p[INTRA_INTER_CONTEXTS] = {
@@ -286,7 +278,7 @@
     { 66  } }
 };
 
-void tx_counts_to_branch_counts_32x32(unsigned int *tx_count_32x32p,
+void tx_counts_to_branch_counts_32x32(const 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] +
@@ -299,7 +291,7 @@
   ct_32x32p[2][1] = tx_count_32x32p[TX_32X32];
 }
 
-void tx_counts_to_branch_counts_16x16(unsigned int *tx_count_16x16p,
+void tx_counts_to_branch_counts_16x16(const unsigned int *tx_count_16x16p,
                                       unsigned int (*ct_16x16p)[2]) {
   ct_16x16p[0][0] = tx_count_16x16p[TX_4X4];
   ct_16x16p[0][1] = tx_count_16x16p[TX_8X8] + tx_count_16x16p[TX_16X16];
@@ -307,7 +299,7 @@
   ct_16x16p[1][1] = tx_count_16x16p[TX_16X16];
 }
 
-void tx_counts_to_branch_counts_8x8(unsigned int *tx_count_8x8p,
+void tx_counts_to_branch_counts_8x8(const unsigned int *tx_count_8x8p,
                                     unsigned int (*ct_8x8p)[2]) {
   ct_8x8p[0][0] = tx_count_8x8p[TX_4X4];
   ct_8x8p[0][1] = tx_count_8x8p[TX_8X8];
@@ -317,8 +309,8 @@
   192, 128, 64
 };
 
-static const vp9_prob default_switchable_interp_prob[SWITCHABLE_FILTERS+1]
-                                                  [SWITCHABLE_FILTERS-1] = {
+static const vp9_prob default_switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
+                                                    [SWITCHABLE_FILTERS - 1] = {
   { 235, 162, },
   { 36, 255, },
   { 34, 3, },
@@ -338,7 +330,8 @@
   vp9_copy(cm->fc.mbskip_probs, default_mbskip_probs);
 }
 
-const vp9_tree_index vp9_switchable_interp_tree[SWITCHABLE_FILTERS*2-2] = {
+const vp9_tree_index vp9_switchable_interp_tree
+                         [TREE_SIZE(SWITCHABLE_FILTERS)] = {
   -EIGHTTAP, 2,
   -EIGHTTAP_SMOOTH, -EIGHTTAP_SHARP
 };
@@ -356,17 +349,19 @@
 #define COUNT_SAT 20
 #define MAX_UPDATE_FACTOR 128
 
-static int update_ct(vp9_prob pre_prob, vp9_prob prob, unsigned int ct[2]) {
+static int update_ct(vp9_prob pre_prob, vp9_prob prob,
+                     const unsigned int ct[2]) {
   return merge_probs(pre_prob, prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
 }
 
-static int update_ct2(vp9_prob pre_prob, unsigned int ct[2]) {
+static int update_ct2(vp9_prob pre_prob, const unsigned int ct[2]) {
   return merge_probs2(pre_prob, ct, COUNT_SAT, MAX_UPDATE_FACTOR);
 }
 
 static void update_mode_probs(int n_modes,
-                              const vp9_tree_index *tree, unsigned int *cnt,
-                              vp9_prob *pre_probs, vp9_prob *dst_probs,
+                              const vp9_tree_index *tree,
+                              const unsigned int *cnt,
+                              const vp9_prob *pre_probs, vp9_prob *dst_probs,
                               unsigned int tok0_offset) {
 #define MAX_PROBS 32
   vp9_prob probs[MAX_PROBS];
@@ -382,8 +377,8 @@
 void vp9_adapt_mode_probs(VP9_COMMON *cm) {
   int i, j;
   FRAME_CONTEXT *fc = &cm->fc;
-  FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
-  FRAME_COUNTS *counts = &cm->counts;
+  const FRAME_CONTEXT *pre_fc = &cm->frame_contexts[cm->frame_context_idx];
+  const FRAME_COUNTS *counts = &cm->counts;
 
   for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
     fc->intra_inter_prob[i] = update_ct2(pre_fc->intra_inter_prob[i],
@@ -414,14 +409,14 @@
                       counts->uv_mode[i], pre_fc->uv_mode_prob[i],
                       fc->uv_mode_prob[i], 0);
 
-  for (i = 0; i < NUM_PARTITION_CONTEXTS; i++)
+  for (i = 0; i < PARTITION_CONTEXTS; i++)
     update_mode_probs(PARTITION_TYPES, vp9_partition_tree,
                       counts->partition[i],
                       pre_fc->partition_prob[INTER_FRAME][i],
                       fc->partition_prob[INTER_FRAME][i], 0);
 
   if (cm->mcomp_filter_type == SWITCHABLE) {
-    for (i = 0; i <= SWITCHABLE_FILTERS; i++)
+    for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++)
       update_mode_probs(SWITCHABLE_FILTERS, vp9_switchable_interp_tree,
                         counts->switchable_interp[i],
                         pre_fc->switchable_interp_prob[i],