diff --git a/vp8/common/blockd.c b/vp8/common/blockd.c
index 2793995a029318f3d963b2c11545adbc3f17f1ec..140500ec4799a76cd0f057ad8b313186bbfca561 100644
--- a/vp8/common/blockd.c
+++ b/vp8/common/blockd.c
@@ -13,17 +13,17 @@
 #include "vpx_mem/vpx_mem.h"
 
 
-const unsigned char vp8_block2left[25] = {
+const unsigned char vp9_block2left[25] = {
   0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8
 };
-const unsigned char vp8_block2above[25] = {
+const unsigned char vp9_block2above[25] = {
   0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8
 };
 
-const unsigned char vp8_block2left_8x8[25] = {
+const unsigned char vp9_block2left_8x8[25] = {
   0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 6, 6, 6, 6, 8
 };
-const unsigned char vp8_block2above_8x8[25] = {
+const unsigned char vp9_block2above_8x8[25] = {
   0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 4, 4, 4, 4, 6, 6, 6, 6, 8
 };
 
diff --git a/vp8/common/blockd.h b/vp8/common/blockd.h
index d5d2e903e4e530c2051f19b972d32a645593626e..90b78502b401225059c5ffa8ba3b24d495c57828 100644
--- a/vp8/common/blockd.h
+++ b/vp8/common/blockd.h
@@ -67,10 +67,10 @@ typedef struct {
   ENTROPY_CONTEXT y2;
 } ENTROPY_CONTEXT_PLANES;
 
-extern const unsigned char vp8_block2left[25];
-extern const unsigned char vp8_block2above[25];
-extern const unsigned char vp8_block2left_8x8[25];
-extern const unsigned char vp8_block2above_8x8[25];
+extern const unsigned char vp9_block2left[25];
+extern const unsigned char vp9_block2above[25];
+extern const unsigned char vp9_block2left_8x8[25];
+extern const unsigned char vp9_block2above_8x8[25];
 
 #define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
   Dest = ((A)!=0) + ((B)!=0);
diff --git a/vp8/common/context.c b/vp8/common/context.c
index 27ad6a42d9fb5af8df59a52499f90e87d7a9ec25..7006bc754122b7112d9e7188d09c1ea236132b0b 100644
--- a/vp8/common/context.c
+++ b/vp8/common/context.c
@@ -224,7 +224,7 @@ const int default_contexts[vp8_coef_counter_dimen] = {
 };
 
 // Update probabilities for the nodes in the token entropy tree.
-const vp8_prob tree_update_probs[vp8_coef_tree_dimen] = {
+const vp8_prob tree_update_probs[vp9_coef_tree_dimen] = {
   {
     {
       {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
diff --git a/vp8/common/entropy.c b/vp8/common/entropy.c
index 09760f9e5df5fecf4e7f5e4e9baef6dc80f7a985..34c3c2fdd9bb24f18618480a21e6c6f75606c912 100644
--- a/vp8/common/entropy.c
+++ b/vp8/common/entropy.c
@@ -28,9 +28,9 @@ typedef vp8_prob Prob;
 
 #include "coefupdateprobs.h"
 
-const int vp8_i8x8_block[4] = {0, 2, 8, 10};
+const int vp9_i8x8_block[4] = {0, 2, 8, 10};
 
-DECLARE_ALIGNED(16, const unsigned char, vp8_norm[256]) = {
+DECLARE_ALIGNED(16, const unsigned char, vp9_norm[256]) = {
   0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
   3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
   2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
@@ -49,28 +49,28 @@ DECLARE_ALIGNED(16, const unsigned char, vp8_norm[256]) = {
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 };
 
-DECLARE_ALIGNED(16, const int, vp8_coef_bands[16]) = {
+DECLARE_ALIGNED(16, const int, vp9_coef_bands[16]) = {
   0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7
 };
 
-DECLARE_ALIGNED(16, cuchar, vp8_prev_token_class[MAX_ENTROPY_TOKENS]) = {
+DECLARE_ALIGNED(16, cuchar, vp9_prev_token_class[MAX_ENTROPY_TOKENS]) = {
   0, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 0
 };
 
-DECLARE_ALIGNED(16, const int, vp8_default_zig_zag1d[16]) = {
+DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d[16]) = {
   0,  1,  4,  8,
   5,  2,  3,  6,
   9, 12, 13, 10,
   7, 11, 14, 15,
 };
 
-DECLARE_ALIGNED(16, const int, vp8_col_scan[16]) = {
+DECLARE_ALIGNED(16, const int, vp9_col_scan[16]) = {
   0, 4,  8, 12,
   1, 5,  9, 13,
   2, 6, 10, 14,
   3, 7, 11, 15
 };
-DECLARE_ALIGNED(16, const int, vp8_row_scan[16]) = {
+DECLARE_ALIGNED(16, const int, vp9_row_scan[16]) = {
   0,   1,  2,  3,
   4,   5,  6,  7,
   8,   9, 10, 11,
@@ -78,7 +78,7 @@ DECLARE_ALIGNED(16, const int, vp8_row_scan[16]) = {
 };
 
 
-DECLARE_ALIGNED(64, const int, vp8_coef_bands_8x8[64]) = { 0, 1, 2, 3, 5, 4, 4, 5,
+DECLARE_ALIGNED(64, const int, vp9_coef_bands_8x8[64]) = { 0, 1, 2, 3, 5, 4, 4, 5,
                                                            5, 3, 6, 3, 5, 4, 6, 6,
                                                            6, 5, 5, 6, 6, 6, 6, 6,
                                                            6, 6, 6, 6, 6, 6, 6, 6,
@@ -87,7 +87,7 @@ DECLARE_ALIGNED(64, const int, vp8_coef_bands_8x8[64]) = { 0, 1, 2, 3, 5, 4, 4,
                                                            7, 7, 7, 7, 7, 7, 7, 7,
                                                            7, 7, 7, 7, 7, 7, 7, 7
                                                          };
-DECLARE_ALIGNED(64, const int, vp8_default_zig_zag1d_8x8[64]) = {
+DECLARE_ALIGNED(64, const int, vp9_default_zig_zag1d_8x8[64]) = {
   0,  1,  8, 16,  9,  2,  3, 10, 17, 24, 32, 25, 18, 11,  4,  5,
   12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13,  6,  7, 14, 21, 28,
   35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
@@ -95,7 +95,7 @@ DECLARE_ALIGNED(64, const int, vp8_default_zig_zag1d_8x8[64]) = {
 };
 
 // Table can be optimized.
-DECLARE_ALIGNED(16, const int, vp8_coef_bands_16x16[256]) = {
+DECLARE_ALIGNED(16, const int, vp9_coef_bands_16x16[256]) = {
     0, 1, 2, 3, 5, 4, 4, 5, 5, 3, 6, 3, 5, 4, 6, 6,
     6, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
     6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
@@ -113,7 +113,7 @@ DECLARE_ALIGNED(16, const int, vp8_coef_bands_16x16[256]) = {
     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
 };
-DECLARE_ALIGNED(16, const int, vp8_default_zig_zag1d_16x16[256]) = {
+DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_16x16[256]) = {
       0,   1,  16,  32,  17,   2,   3,  18,  33,  48,  64,  49,  34,  19,   4,   5,
      20,  35,  50,  65,  80,  96,  81,  66,  51,  36,  21,   6,   7,  22,  37,  52,
      67,  82,  97, 112, 128, 113,  98,  83,  68,  53,  38,  23,   8,   9,  24,  39,
@@ -135,7 +135,7 @@ DECLARE_ALIGNED(16, const int, vp8_default_zig_zag1d_16x16[256]) = {
 
 /* Array indices are identical to previously-existing CONTEXT_NODE indices */
 
-const vp8_tree_index vp8_coef_tree[ 22] =     /* corresponding _CONTEXT_NODEs */
+const vp8_tree_index vp9_coef_tree[ 22] =     /* corresponding _CONTEXT_NODEs */
 {
   -DCT_EOB_TOKEN, 2,                             /* 0 = EOB */
   -ZERO_TOKEN, 4,                               /* 1 = ZERO */
@@ -150,7 +150,7 @@ const vp8_tree_index vp8_coef_tree[ 22] =     /* corresponding _CONTEXT_NODEs */
   -DCT_VAL_CATEGORY5, -DCT_VAL_CATEGORY6   /* 10 = CAT_FIVE */
 };
 
-struct vp8_token_struct vp8_coef_encodings[MAX_ENTROPY_TOKENS];
+struct vp8_token_struct vp9_coef_encodings[MAX_ENTROPY_TOKENS];
 
 /* Trees for extra bits.  Probabilities are constant and
    do not depend on previously encoded bits */
@@ -185,7 +185,7 @@ static void init_bit_trees() {
   init_bit_tree(cat6, 13);
 }
 
-vp8_extra_bit_struct vp8_extra_bits[12] = {
+vp8_extra_bit_struct vp9_extra_bits[12] = {
   { 0, 0, 0, 0},
   { 0, 0, 0, 1},
   { 0, 0, 0, 2},
@@ -222,7 +222,7 @@ void vp9_default_coef_probs(VP8_COMMON *pc) {
 
 void vp9_coef_tree_initialize() {
   init_bit_trees();
-  vp9_tokens_from_tree(vp8_coef_encodings, vp8_coef_tree);
+  vp9_tokens_from_tree(vp9_coef_encodings, vp9_coef_tree);
 }
 
 // #define COEF_COUNT_TESTING
@@ -319,7 +319,7 @@ void vp9_adapt_coef_probs(VP8_COMMON *cm) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, cm->fc.coef_counts [i][j][k],
           256, 1);
         for (t = 0; t < ENTROPY_NODES; ++t) {
@@ -341,7 +341,7 @@ void vp9_adapt_coef_probs(VP8_COMMON *cm) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, cm->fc.hybrid_coef_counts [i][j][k],
           256, 1);
         for (t = 0; t < ENTROPY_NODES; ++t) {
@@ -363,7 +363,7 @@ void vp9_adapt_coef_probs(VP8_COMMON *cm) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, cm->fc.coef_counts_8x8 [i][j][k],
           256, 1);
         for (t = 0; t < ENTROPY_NODES; ++t) {
@@ -385,7 +385,7 @@ void vp9_adapt_coef_probs(VP8_COMMON *cm) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, cm->fc.hybrid_coef_counts_8x8 [i][j][k],
           256, 1);
         for (t = 0; t < ENTROPY_NODES; ++t) {
@@ -408,7 +408,7 @@ void vp9_adapt_coef_probs(VP8_COMMON *cm) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, cm->fc.coef_counts_16x16[i][j][k], 256, 1);
         for (t = 0; t < ENTROPY_NODES; ++t) {
           int prob;
@@ -430,7 +430,7 @@ void vp9_adapt_coef_probs(VP8_COMMON *cm) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, cm->fc.hybrid_coef_counts_16x16[i][j][k], 256, 1);
         for (t = 0; t < ENTROPY_NODES; ++t) {
           int prob;
diff --git a/vp8/common/entropy.h b/vp8/common/entropy.h
index 30c9ab11cf30c4683b91a7eb54a49c74df5a849a..a96b4044bc08e4d2ae2732ebde92938c70e19fca 100644
--- a/vp8/common/entropy.h
+++ b/vp8/common/entropy.h
@@ -21,7 +21,7 @@
 //#define SUBMVREF_COUNT 5
 //#define VP8_NUMMBSPLITS 4
 
-extern const int vp8_i8x8_block[4];
+extern const int vp9_i8x8_block[4];
 
 /* Coefficient token alphabet */
 
@@ -41,9 +41,9 @@ extern const int vp8_i8x8_block[4];
 #define ENTROPY_NODES 11
 #define EOSB_TOKEN              127     /* Not signalled, encoder only */
 
-extern const vp8_tree_index vp8_coef_tree[];
+extern const vp8_tree_index vp9_coef_tree[];
 
-extern struct vp8_token_struct vp8_coef_encodings[MAX_ENTROPY_TOKENS];
+extern struct vp8_token_struct vp9_coef_encodings[MAX_ENTROPY_TOKENS];
 
 typedef struct {
   vp8_tree_p tree;
@@ -52,7 +52,7 @@ typedef struct {
   int base_val;
 } vp8_extra_bit_struct;
 
-extern vp8_extra_bit_struct vp8_extra_bits[12];    /* indexed by token value */
+extern vp8_extra_bit_struct vp9_extra_bits[12];    /* indexed by token value */
 
 #define PROB_UPDATE_BASELINE_COST   7
 
@@ -72,9 +72,9 @@ extern vp8_extra_bit_struct vp8_extra_bits[12];    /* indexed by token value */
    position within the 4x4 DCT. */
 
 #define COEF_BANDS 8
-extern DECLARE_ALIGNED(16, const int, vp8_coef_bands[16]);
-extern DECLARE_ALIGNED(64, const int, vp8_coef_bands_8x8[64]);
-extern DECLARE_ALIGNED(16, const int, vp8_coef_bands_16x16[256]);
+extern DECLARE_ALIGNED(16, const int, vp9_coef_bands[16]);
+extern DECLARE_ALIGNED(64, const int, vp9_coef_bands_8x8[64]);
+extern DECLARE_ALIGNED(16, const int, vp9_coef_bands_16x16[256]);
 
 /* Inside dimension is 3-valued measure of nearby complexity, that is,
    the extent to which nearby coefficients are nonzero.  For the first
@@ -98,20 +98,20 @@ extern DECLARE_ALIGNED(16, const int, vp8_coef_bands_16x16[256]);
 #define SUBEXP_PARAM                4   /* Subexponential code parameter */
 #define MODULUS_PARAM               13  /* Modulus parameter */
 
-extern DECLARE_ALIGNED(16, const unsigned char, vp8_prev_token_class[MAX_ENTROPY_TOKENS]);
+extern DECLARE_ALIGNED(16, const unsigned char, vp9_prev_token_class[MAX_ENTROPY_TOKENS]);
 
 struct VP8Common;
 void vp9_default_coef_probs(struct VP8Common *);
-extern DECLARE_ALIGNED(16, const int, vp8_default_zig_zag1d[16]);
+extern DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d[16]);
 
-extern DECLARE_ALIGNED(16, const int, vp8_col_scan[16]);
-extern DECLARE_ALIGNED(16, const int, vp8_row_scan[16]);
+extern DECLARE_ALIGNED(16, const int, vp9_col_scan[16]);
+extern DECLARE_ALIGNED(16, const int, vp9_row_scan[16]);
 
 extern short vp8_default_zig_zag_mask[16];
-extern DECLARE_ALIGNED(64, const int, vp8_default_zig_zag1d_8x8[64]);
+extern DECLARE_ALIGNED(64, const int, vp9_default_zig_zag1d_8x8[64]);
 void vp9_coef_tree_initialize(void);
 
-extern DECLARE_ALIGNED(16, const int, vp8_default_zig_zag1d_16x16[256]);
+extern DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_16x16[256]);
 void vp9_adapt_coef_probs(struct VP8Common *);
 
 #endif
diff --git a/vp8/common/entropymode.c b/vp8/common/entropymode.c
index 41982036dff64c2f6ca95f1e23df4e9d5237946b..4578b4a236399cf6bf332bdfdf2a037e50ed5b3f 100644
--- a/vp8/common/entropymode.c
+++ b/vp8/common/entropymode.c
@@ -14,7 +14,7 @@
 #include "vpx_mem/vpx_mem.h"
 
 
-const unsigned int kf_y_mode_cts[8][VP8_YMODES] = {
+static const unsigned int kf_y_mode_cts[8][VP8_YMODES] = {
   /* DC V   H  D45 135 117 153 D27 D63 TM i8x8 BPRED */
   {12,  6,  5,  5,  5,  5,  5,  5,  5,  2, 22, 200},
   {25, 13, 13,  7,  7,  7,  7,  7,  7,  6, 27, 160},
@@ -101,9 +101,9 @@ int vp9_mv_cont(const int_mv *l, const int_mv *a) {
   return SUBMVREF_NORMAL;
 }
 
-const vp8_prob vp8_sub_mv_ref_prob [VP8_SUBMVREFS - 1] = { 180, 162, 25};
+const vp8_prob vp9_sub_mv_ref_prob [VP8_SUBMVREFS - 1] = { 180, 162, 25};
 
-const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS - 1] = {
+const vp8_prob vp9_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS - 1] = {
   { 147, 136, 18 },
   { 106, 145, 1  },
   { 179, 121, 1  },
@@ -113,7 +113,7 @@ const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS - 1] = {
 
 
 
-vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS] = {
+vp9_mbsplit vp9_mbsplits [VP8_NUMMBSPLITS] = {
   {
     0,  0,  0,  0,
     0,  0,  0,  0,
@@ -140,14 +140,14 @@ vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS] = {
   },
 };
 
-const int vp8_mbsplit_count [VP8_NUMMBSPLITS] = { 2, 2, 4, 16};
+const int vp9_mbsplit_count [VP8_NUMMBSPLITS] = { 2, 2, 4, 16};
 
-const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS - 1] = { 110, 111, 150};
+const vp8_prob vp9_mbsplit_probs [VP8_NUMMBSPLITS - 1] = { 110, 111, 150};
 
 
 /* Array indices are identical to previously-existing INTRAMODECONTEXTNODES. */
 
-const vp8_tree_index vp8_bmode_tree[VP8_BINTRAMODES * 2 - 2] = /* INTRAMODECONTEXTNODE value */
+const vp8_tree_index vp9_bmode_tree[VP8_BINTRAMODES * 2 - 2] = /* INTRAMODECONTEXTNODE value */
 {
   -B_DC_PRED, 2,                             /* 0 = DC_NODE */
   -B_TM_PRED, 4,                            /* 1 = TM_NODE */
@@ -162,7 +162,7 @@ const vp8_tree_index vp8_bmode_tree[VP8_BINTRAMODES * 2 - 2] = /* INTRAMODECONTE
 
 /* Again, these trees use the same probability indices as their
    explicitly-programmed predecessors. */
-const vp8_tree_index vp8_ymode_tree[VP8_YMODES * 2 - 2] = {
+const vp8_tree_index vp9_ymode_tree[VP8_YMODES * 2 - 2] = {
   2, 14,
   -DC_PRED, 4,
   6, 8,
@@ -176,7 +176,7 @@ const vp8_tree_index vp8_ymode_tree[VP8_YMODES * 2 - 2] = {
   -B_PRED, -I8X8_PRED
 };
 
-const vp8_tree_index vp8_kf_ymode_tree[VP8_YMODES * 2 - 2] = {
+const vp8_tree_index vp9_kf_ymode_tree[VP8_YMODES * 2 - 2] = {
   2, 14,
   -DC_PRED, 4,
   6, 8,
@@ -190,7 +190,7 @@ const vp8_tree_index vp8_kf_ymode_tree[VP8_YMODES * 2 - 2] = {
   -B_PRED, -I8X8_PRED
 };
 
-const vp8_tree_index vp8_i8x8_mode_tree[VP8_I8X8_MODES * 2 - 2] = {
+const vp8_tree_index vp9_i8x8_mode_tree[VP8_I8X8_MODES * 2 - 2] = {
   2, 14,
   -DC_PRED, 4,
   6, 8,
@@ -202,7 +202,7 @@ const vp8_tree_index vp8_i8x8_mode_tree[VP8_I8X8_MODES * 2 - 2] = {
   -H_PRED, -TM_PRED
 };
 
-const vp8_tree_index vp8_uv_mode_tree[VP8_UV_MODES * 2 - 2] = {
+const vp8_tree_index vp9_uv_mode_tree[VP8_UV_MODES * 2 - 2] = {
   2, 14,
   -DC_PRED, 4,
   6, 8,
@@ -214,13 +214,13 @@ const vp8_tree_index vp8_uv_mode_tree[VP8_UV_MODES * 2 - 2] = {
   -H_PRED, -TM_PRED
 };
 
-const vp8_tree_index vp8_mbsplit_tree[6] = {
+const vp8_tree_index vp9_mbsplit_tree[6] = {
   -PARTITIONING_4X4,   2,
   -PARTITIONING_8X8,   4,
   -PARTITIONING_16X8, -PARTITIONING_8X16,
 };
 
-const vp8_tree_index vp8_mv_ref_tree[8] = {
+const vp8_tree_index vp9_mv_ref_tree[8] = {
   -ZEROMV, 2,
   -NEARESTMV, 4,
   -NEARMV, 6,
@@ -228,53 +228,53 @@ const vp8_tree_index vp8_mv_ref_tree[8] = {
 };
 
 #if CONFIG_SUPERBLOCKS
-const vp8_tree_index vp8_sb_mv_ref_tree[6] = {
+const vp8_tree_index vp9_sb_mv_ref_tree[6] = {
   -ZEROMV, 2,
   -NEARESTMV, 4,
   -NEARMV, -NEWMV
 };
 #endif
 
-const vp8_tree_index vp8_sub_mv_ref_tree[6] = {
+const vp8_tree_index vp9_sub_mv_ref_tree[6] = {
   -LEFT4X4, 2,
   -ABOVE4X4, 4,
   -ZERO4X4, -NEW4X4
 };
 
 
-struct vp8_token_struct vp8_bmode_encodings   [VP8_BINTRAMODES];
-struct vp8_token_struct vp8_ymode_encodings   [VP8_YMODES];
+struct vp8_token_struct vp9_bmode_encodings   [VP8_BINTRAMODES];
+struct vp8_token_struct vp9_ymode_encodings   [VP8_YMODES];
 #if CONFIG_SUPERBLOCKS
-struct vp8_token_struct vp8_sb_kf_ymode_encodings [VP8_I32X32_MODES];
+struct vp8_token_struct vp9_sb_kf_ymode_encodings [VP8_I32X32_MODES];
 #endif
-struct vp8_token_struct vp8_kf_ymode_encodings [VP8_YMODES];
-struct vp8_token_struct vp8_uv_mode_encodings  [VP8_UV_MODES];
-struct vp8_token_struct vp8_i8x8_mode_encodings  [VP8_I8X8_MODES];
-struct vp8_token_struct vp8_mbsplit_encodings [VP8_NUMMBSPLITS];
+struct vp8_token_struct vp9_kf_ymode_encodings [VP8_YMODES];
+struct vp8_token_struct vp9_uv_mode_encodings  [VP8_UV_MODES];
+struct vp8_token_struct vp9_i8x8_mode_encodings  [VP8_I8X8_MODES];
+struct vp8_token_struct vp9_mbsplit_encodings [VP8_NUMMBSPLITS];
 
-struct vp8_token_struct vp8_mv_ref_encoding_array    [VP8_MVREFS];
+struct vp8_token_struct vp9_mv_ref_encoding_array    [VP8_MVREFS];
 #if CONFIG_SUPERBLOCKS
-struct vp8_token_struct vp8_sb_mv_ref_encoding_array  [VP8_MVREFS];
+struct vp8_token_struct vp9_sb_mv_ref_encoding_array  [VP8_MVREFS];
 #endif
-struct vp8_token_struct vp8_sub_mv_ref_encoding_array [VP8_SUBMVREFS];
+struct vp8_token_struct vp9_sub_mv_ref_encoding_array [VP8_SUBMVREFS];
 
 
 
 void vp9_init_mbmode_probs(VP8_COMMON *x) {
   unsigned int bct [VP8_YMODES] [2];      /* num Ymodes > num UV modes */
 
-  vp9_tree_probs_from_distribution(VP8_YMODES, vp8_ymode_encodings,
-    vp8_ymode_tree, x->fc.ymode_prob, bct, y_mode_cts, 256, 1);
+  vp9_tree_probs_from_distribution(VP8_YMODES, vp9_ymode_encodings,
+    vp9_ymode_tree, x->fc.ymode_prob, bct, y_mode_cts, 256, 1);
   {
     int i;
     for (i = 0; i < 8; i++) {
       vp9_tree_probs_from_distribution(
-        VP8_YMODES, vp8_kf_ymode_encodings, vp8_kf_ymode_tree,
+        VP8_YMODES, vp9_kf_ymode_encodings, vp9_kf_ymode_tree,
         x->kf_ymode_prob[i], bct, kf_y_mode_cts[i],
         256, 1);
 #if CONFIG_SUPERBLOCKS
       vp9_tree_probs_from_distribution(
-        VP8_I32X32_MODES, vp8_sb_kf_ymode_encodings, vp8_sb_ymode_tree,
+        VP8_I32X32_MODES, vp9_sb_kf_ymode_encodings, vp8_sb_ymode_tree,
         x->sb_kf_ymode_prob[i], bct, kf_y_mode_cts[i],
         256, 1);
 #endif
@@ -284,25 +284,25 @@ void vp9_init_mbmode_probs(VP8_COMMON *x) {
     int i;
     for (i = 0; i < VP8_YMODES; i++) {
       vp9_tree_probs_from_distribution(
-        VP8_UV_MODES, vp8_uv_mode_encodings, vp8_uv_mode_tree,
+        VP8_UV_MODES, vp9_uv_mode_encodings, vp9_uv_mode_tree,
         x->kf_uv_mode_prob[i], bct, kf_uv_mode_cts[i],
         256, 1);
       vp9_tree_probs_from_distribution(
-        VP8_UV_MODES, vp8_uv_mode_encodings, vp8_uv_mode_tree,
+        VP8_UV_MODES, vp9_uv_mode_encodings, vp9_uv_mode_tree,
         x->fc.uv_mode_prob[i], bct, uv_mode_cts[i],
         256, 1);
     }
   }
 
   vp9_tree_probs_from_distribution(
-    VP8_I8X8_MODES, vp8_i8x8_mode_encodings, vp8_i8x8_mode_tree,
+    VP8_I8X8_MODES, vp9_i8x8_mode_encodings, vp9_i8x8_mode_tree,
     x->fc.i8x8_mode_prob, bct, i8x8_mode_cts,
     256, 1);
 
-  vpx_memcpy(x->fc.sub_mv_ref_prob, vp8_sub_mv_ref_prob2, sizeof(vp8_sub_mv_ref_prob2));
-  vpx_memcpy(x->fc.mbsplit_prob, vp8_mbsplit_probs, sizeof(vp8_mbsplit_probs));
-  vpx_memcpy(x->fc.switchable_interp_prob, vp8_switchable_interp_prob,
-             sizeof(vp8_switchable_interp_prob));
+  vpx_memcpy(x->fc.sub_mv_ref_prob, vp9_sub_mv_ref_prob2, sizeof(vp9_sub_mv_ref_prob2));
+  vpx_memcpy(x->fc.mbsplit_prob, vp9_mbsplit_probs, sizeof(vp9_mbsplit_probs));
+  vpx_memcpy(x->fc.switchable_interp_prob, vp9_switchable_interp_prob,
+             sizeof(vp9_switchable_interp_prob));
 }
 
 
@@ -310,8 +310,8 @@ static void intra_bmode_probs_from_distribution(
   vp8_prob p [VP8_BINTRAMODES - 1],
   unsigned int branch_ct [VP8_BINTRAMODES - 1] [2],
   const unsigned int events [VP8_BINTRAMODES]) {
-  vp9_tree_probs_from_distribution(VP8_BINTRAMODES, vp8_bmode_encodings,
-    vp8_bmode_tree, p, branch_ct, events, 256, 1);
+  vp9_tree_probs_from_distribution(VP8_BINTRAMODES, vp9_bmode_encodings,
+    vp9_bmode_tree, p, branch_ct, events, 256, 1);
 }
 
 void vp9_default_bmode_probs(vp8_prob p [VP8_BINTRAMODES - 1]) {
@@ -329,62 +329,62 @@ void vp9_kf_default_bmode_probs(vp8_prob p [VP8_BINTRAMODES] [VP8_BINTRAMODES] [
 
     do {
       intra_bmode_probs_from_distribution(
-        p[i][j], branch_ct, vp8_kf_default_bmode_counts[i][j]);
+        p[i][j], branch_ct, vp9_kf_default_bmode_counts[i][j]);
 
     } while (++j < VP8_BINTRAMODES);
   } while (++i < VP8_BINTRAMODES);
 }
 
 #if VP8_SWITCHABLE_FILTERS == 3
-const vp8_tree_index vp8_switchable_interp_tree[VP8_SWITCHABLE_FILTERS*2-2] = {
+const vp8_tree_index vp9_switchable_interp_tree[VP8_SWITCHABLE_FILTERS*2-2] = {
   -0, 2,
   -1, -2
 };
-struct vp8_token_struct vp8_switchable_interp_encodings[VP8_SWITCHABLE_FILTERS];
-const INTERPOLATIONFILTERTYPE vp8_switchable_interp[VP8_SWITCHABLE_FILTERS] = {
+struct vp8_token_struct vp9_switchable_interp_encodings[VP8_SWITCHABLE_FILTERS];
+const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP8_SWITCHABLE_FILTERS] = {
   EIGHTTAP, SIXTAP, EIGHTTAP_SHARP};
-const int vp8_switchable_interp_map[SWITCHABLE+1] = {1, -1, 0, 2, -1};
-const vp8_prob vp8_switchable_interp_prob [VP8_SWITCHABLE_FILTERS+1]
+const int vp9_switchable_interp_map[SWITCHABLE+1] = {1, -1, 0, 2, -1};
+const vp8_prob vp9_switchable_interp_prob [VP8_SWITCHABLE_FILTERS+1]
                                           [VP8_SWITCHABLE_FILTERS-1] = {
   {248, 192}, { 32, 248}, { 32,  32}, {192, 160}
 };
 #elif VP8_SWITCHABLE_FILTERS == 2
-const vp8_tree_index vp8_switchable_interp_tree[VP8_SWITCHABLE_FILTERS*2-2] = {
+const vp8_tree_index vp9_switchable_interp_tree[VP8_SWITCHABLE_FILTERS*2-2] = {
   -0, -1,
 };
-struct vp8_token_struct vp8_switchable_interp_encodings[VP8_SWITCHABLE_FILTERS];
-const vp8_prob vp8_switchable_interp_prob [VP8_SWITCHABLE_FILTERS+1]
+struct vp8_token_struct vp9_switchable_interp_encodings[VP8_SWITCHABLE_FILTERS];
+const vp8_prob vp9_switchable_interp_prob [VP8_SWITCHABLE_FILTERS+1]
                                           [VP8_SWITCHABLE_FILTERS-1] = {
   {248},
   { 64},
   {192},
 };
-const INTERPOLATIONFILTERTYPE vp8_switchable_interp[VP8_SWITCHABLE_FILTERS] = {
+const INTERPOLATIONFILTERTYPE vp9_switchable_interp[VP8_SWITCHABLE_FILTERS] = {
   EIGHTTAP, EIGHTTAP_SHARP};
-const int vp8_switchable_interp_map[SWITCHABLE+1] = {-1, -1, 0, 1, -1}; //8, 8s
+const int vp9_switchable_interp_map[SWITCHABLE+1] = {-1, -1, 0, 1, -1}; //8, 8s
 #endif
 
 void vp9_entropy_mode_init() {
-  vp9_tokens_from_tree(vp8_bmode_encodings,   vp8_bmode_tree);
-  vp9_tokens_from_tree(vp8_ymode_encodings,   vp8_ymode_tree);
-  vp9_tokens_from_tree(vp8_kf_ymode_encodings, vp8_kf_ymode_tree);
+  vp9_tokens_from_tree(vp9_bmode_encodings,   vp9_bmode_tree);
+  vp9_tokens_from_tree(vp9_ymode_encodings,   vp9_ymode_tree);
+  vp9_tokens_from_tree(vp9_kf_ymode_encodings, vp9_kf_ymode_tree);
 #if CONFIG_SUPERBLOCKS
-  vp9_tokens_from_tree(vp8_sb_kf_ymode_encodings, vp8_sb_ymode_tree);
+  vp9_tokens_from_tree(vp9_sb_kf_ymode_encodings, vp8_sb_ymode_tree);
 #endif
-  vp9_tokens_from_tree(vp8_uv_mode_encodings,  vp8_uv_mode_tree);
-  vp9_tokens_from_tree(vp8_i8x8_mode_encodings,  vp8_i8x8_mode_tree);
-  vp9_tokens_from_tree(vp8_mbsplit_encodings, vp8_mbsplit_tree);
-  vp9_tokens_from_tree(vp8_switchable_interp_encodings,
-                       vp8_switchable_interp_tree);
-
-  vp9_tokens_from_tree_offset(vp8_mv_ref_encoding_array,
-                              vp8_mv_ref_tree, NEARESTMV);
+  vp9_tokens_from_tree(vp9_uv_mode_encodings,  vp9_uv_mode_tree);
+  vp9_tokens_from_tree(vp9_i8x8_mode_encodings,  vp9_i8x8_mode_tree);
+  vp9_tokens_from_tree(vp9_mbsplit_encodings, vp9_mbsplit_tree);
+  vp9_tokens_from_tree(vp9_switchable_interp_encodings,
+                       vp9_switchable_interp_tree);
+
+  vp9_tokens_from_tree_offset(vp9_mv_ref_encoding_array,
+                              vp9_mv_ref_tree, NEARESTMV);
 #if CONFIG_SUPERBLOCKS
-  vp9_tokens_from_tree_offset(vp8_sb_mv_ref_encoding_array,
-                              vp8_sb_mv_ref_tree, NEARESTMV);
+  vp9_tokens_from_tree_offset(vp9_sb_mv_ref_encoding_array,
+                              vp9_sb_mv_ref_tree, NEARESTMV);
 #endif
-  vp9_tokens_from_tree_offset(vp8_sub_mv_ref_encoding_array,
-                              vp8_sub_mv_ref_tree, LEFT4X4);
+  vp9_tokens_from_tree_offset(vp9_sub_mv_ref_encoding_array,
+                              vp9_sub_mv_ref_tree, LEFT4X4);
 }
 
 void vp9_init_mode_contexts(VP8_COMMON *pc) {
@@ -392,10 +392,10 @@ void vp9_init_mode_contexts(VP8_COMMON *pc) {
   vpx_memset(pc->fc.mv_ref_ct_a, 0, sizeof(pc->fc.mv_ref_ct_a));
 
   vpx_memcpy(pc->fc.mode_context,
-             default_vp8_mode_contexts,
+             vp9_default_mode_contexts,
              sizeof(pc->fc.mode_context));
   vpx_memcpy(pc->fc.mode_context_a,
-             default_vp8_mode_contexts,
+             vp9_default_mode_contexts_a,
              sizeof(pc->fc.mode_context_a));
 
 }
@@ -533,7 +533,7 @@ void vp9_adapt_mode_probs(VP8_COMMON *cm) {
   printf("};\n");
 #endif
   vp9_tree_probs_from_distribution(
-    VP8_YMODES, vp8_ymode_encodings, vp8_ymode_tree,
+    VP8_YMODES, vp9_ymode_encodings, vp9_ymode_tree,
     ymode_probs, branch_ct, cm->fc.ymode_counts,
     256, 1);
   for (t = 0; t < VP8_YMODES - 1; ++t) {
@@ -549,7 +549,7 @@ void vp9_adapt_mode_probs(VP8_COMMON *cm) {
   }
   for (i = 0; i < VP8_YMODES; ++i) {
     vp9_tree_probs_from_distribution(
-      VP8_UV_MODES, vp8_uv_mode_encodings, vp8_uv_mode_tree,
+      VP8_UV_MODES, vp9_uv_mode_encodings, vp9_uv_mode_tree,
       uvmode_probs, branch_ct, cm->fc.uv_mode_counts[i],
       256, 1);
     for (t = 0; t < VP8_UV_MODES - 1; ++t) {
@@ -565,7 +565,7 @@ void vp9_adapt_mode_probs(VP8_COMMON *cm) {
     }
   }
   vp9_tree_probs_from_distribution(
-    VP8_BINTRAMODES, vp8_bmode_encodings, vp8_bmode_tree,
+    VP8_BINTRAMODES, vp9_bmode_encodings, vp9_bmode_tree,
     bmode_probs, branch_ct, cm->fc.bmode_counts,
     256, 1);
   for (t = 0; t < VP8_BINTRAMODES - 1; ++t) {
@@ -580,7 +580,7 @@ void vp9_adapt_mode_probs(VP8_COMMON *cm) {
     else cm->fc.bmode_prob[t] = prob;
   }
   vp9_tree_probs_from_distribution(
-    VP8_I8X8_MODES, vp8_i8x8_mode_encodings, vp8_i8x8_mode_tree,
+    VP8_I8X8_MODES, vp9_i8x8_mode_encodings, vp9_i8x8_mode_tree,
     i8x8_mode_probs, branch_ct, cm->fc.i8x8_mode_counts,
     256, 1);
   for (t = 0; t < VP8_I8X8_MODES - 1; ++t) {
@@ -596,7 +596,7 @@ void vp9_adapt_mode_probs(VP8_COMMON *cm) {
   }
   for (i = 0; i < SUBMVREF_COUNT; ++i) {
     vp9_tree_probs_from_distribution(
-      VP8_SUBMVREFS, vp8_sub_mv_ref_encoding_array, vp8_sub_mv_ref_tree,
+      VP8_SUBMVREFS, vp9_sub_mv_ref_encoding_array, vp9_sub_mv_ref_tree,
       sub_mv_ref_probs, branch_ct, cm->fc.sub_mv_ref_counts[i],
       256, 1);
     for (t = 0; t < VP8_SUBMVREFS - 1; ++t) {
@@ -612,7 +612,7 @@ void vp9_adapt_mode_probs(VP8_COMMON *cm) {
     }
   }
   vp9_tree_probs_from_distribution(
-    VP8_NUMMBSPLITS, vp8_mbsplit_encodings, vp8_mbsplit_tree,
+    VP8_NUMMBSPLITS, vp9_mbsplit_encodings, vp9_mbsplit_tree,
     mbsplit_probs, branch_ct, cm->fc.mbsplit_counts,
     256, 1);
   for (t = 0; t < VP8_NUMMBSPLITS - 1; ++t) {
diff --git a/vp8/common/entropymode.h b/vp8/common/entropymode.h
index c66d6caaeab7ea602e28daf0c0dba047943b4034..ff22fa014979eabb0072e4820efa0d109509dad5 100644
--- a/vp8/common/entropymode.h
+++ b/vp8/common/entropymode.h
@@ -18,48 +18,48 @@
 #define SUBMVREF_COUNT 5
 #define VP8_NUMMBSPLITS 4
 
-typedef const int vp8_mbsplit[16];
+typedef const int vp9_mbsplit[16];
 
-extern vp8_mbsplit vp8_mbsplits [VP8_NUMMBSPLITS];
+extern vp9_mbsplit vp9_mbsplits [VP8_NUMMBSPLITS];
 
-extern const int vp8_mbsplit_count [VP8_NUMMBSPLITS];    /* # of subsets */
+extern const int vp9_mbsplit_count [VP8_NUMMBSPLITS];    /* # of subsets */
 
-extern const vp8_prob vp8_mbsplit_probs [VP8_NUMMBSPLITS - 1];
+extern const vp8_prob vp9_mbsplit_probs [VP8_NUMMBSPLITS - 1];
 
 extern int vp9_mv_cont(const int_mv *l, const int_mv *a);
 
-extern const vp8_prob vp8_sub_mv_ref_prob [VP8_SUBMVREFS - 1];
-extern const vp8_prob vp8_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS - 1];
+extern const vp8_prob vp9_sub_mv_ref_prob [VP8_SUBMVREFS - 1];
+extern const vp8_prob vp9_sub_mv_ref_prob2 [SUBMVREF_COUNT][VP8_SUBMVREFS - 1];
 
 
-extern const unsigned int vp8_kf_default_bmode_counts [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES];
+extern const unsigned int vp9_kf_default_bmode_counts[VP8_BINTRAMODES][VP8_BINTRAMODES][VP8_BINTRAMODES];
 
 
-extern const vp8_tree_index vp8_bmode_tree[];
+extern const vp8_tree_index vp9_bmode_tree[];
 
-extern const vp8_tree_index  vp8_ymode_tree[];
-extern const vp8_tree_index  vp8_kf_ymode_tree[];
-extern const vp8_tree_index  vp8_uv_mode_tree[];
-#define vp8_sb_ymode_tree vp8_uv_mode_tree
-extern const vp8_tree_index  vp8_i8x8_mode_tree[];
-extern const vp8_tree_index  vp8_mbsplit_tree[];
-extern const vp8_tree_index  vp8_mv_ref_tree[];
-extern const vp8_tree_index  vp8_sb_mv_ref_tree[];
-extern const vp8_tree_index  vp8_sub_mv_ref_tree[];
+extern const vp8_tree_index  vp9_ymode_tree[];
+extern const vp8_tree_index  vp9_kf_ymode_tree[];
+extern const vp8_tree_index  vp9_uv_mode_tree[];
+#define vp8_sb_ymode_tree vp9_uv_mode_tree
+extern const vp8_tree_index  vp9_i8x8_mode_tree[];
+extern const vp8_tree_index  vp9_mbsplit_tree[];
+extern const vp8_tree_index  vp9_mv_ref_tree[];
+extern const vp8_tree_index  vp9_sb_mv_ref_tree[];
+extern const vp8_tree_index  vp9_sub_mv_ref_tree[];
 
-extern struct vp8_token_struct vp8_bmode_encodings   [VP8_BINTRAMODES];
-extern struct vp8_token_struct vp8_ymode_encodings   [VP8_YMODES];
-extern struct vp8_token_struct vp8_sb_kf_ymode_encodings [VP8_I32X32_MODES];
-extern struct vp8_token_struct vp8_kf_ymode_encodings [VP8_YMODES];
-extern struct vp8_token_struct vp8_i8x8_mode_encodings  [VP8_I8X8_MODES];
-extern struct vp8_token_struct vp8_uv_mode_encodings  [VP8_UV_MODES];
-extern struct vp8_token_struct vp8_mbsplit_encodings  [VP8_NUMMBSPLITS];
+extern struct vp8_token_struct vp9_bmode_encodings   [VP8_BINTRAMODES];
+extern struct vp8_token_struct vp9_ymode_encodings   [VP8_YMODES];
+extern struct vp8_token_struct vp9_sb_kf_ymode_encodings [VP8_I32X32_MODES];
+extern struct vp8_token_struct vp9_kf_ymode_encodings [VP8_YMODES];
+extern struct vp8_token_struct vp9_i8x8_mode_encodings  [VP8_I8X8_MODES];
+extern struct vp8_token_struct vp9_uv_mode_encodings  [VP8_UV_MODES];
+extern struct vp8_token_struct vp9_mbsplit_encodings  [VP8_NUMMBSPLITS];
 
 /* Inter mode values do not start at zero */
 
-extern struct vp8_token_struct vp8_mv_ref_encoding_array    [VP8_MVREFS];
-extern struct vp8_token_struct vp8_sb_mv_ref_encoding_array    [VP8_MVREFS];
-extern struct vp8_token_struct vp8_sub_mv_ref_encoding_array [VP8_SUBMVREFS];
+extern struct vp8_token_struct vp9_mv_ref_encoding_array    [VP8_MVREFS];
+extern struct vp8_token_struct vp9_sb_mv_ref_encoding_array    [VP8_MVREFS];
+extern struct vp8_token_struct vp9_sub_mv_ref_encoding_array [VP8_SUBMVREFS];
 
 void vp9_entropy_mode_init(void);
 
@@ -77,13 +77,13 @@ void vp9_kf_default_bmode_probs(vp8_prob dest [VP8_BINTRAMODES] [VP8_BINTRAMODES
 void vp9_adapt_mode_probs(struct VP8Common *);
 
 #define VP8_SWITCHABLE_FILTERS 2 /* number of switchable filters */
-extern const  INTERPOLATIONFILTERTYPE vp8_switchable_interp
+extern const  INTERPOLATIONFILTERTYPE vp9_switchable_interp
                   [VP8_SWITCHABLE_FILTERS];
-extern const  int vp8_switchable_interp_map[SWITCHABLE + 1];
-extern const  vp8_tree_index vp8_switchable_interp_tree
+extern const  int vp9_switchable_interp_map[SWITCHABLE + 1];
+extern const  vp8_tree_index vp9_switchable_interp_tree
                   [2*(VP8_SWITCHABLE_FILTERS - 1)];
-extern struct vp8_token_struct vp8_switchable_interp_encodings
+extern struct vp8_token_struct vp9_switchable_interp_encodings
                   [VP8_SWITCHABLE_FILTERS];
-extern const  vp8_prob vp8_switchable_interp_prob
+extern const  vp8_prob vp9_switchable_interp_prob
                   [VP8_SWITCHABLE_FILTERS + 1][VP8_SWITCHABLE_FILTERS - 1];
 #endif
diff --git a/vp8/common/entropymv.c b/vp8/common/entropymv.c
index 4af3e59faec2e07b9f7de76d40509fdf7aeb6627..a393e1a994752abf79a6acd0b4a3a5490b212283 100644
--- a/vp8/common/entropymv.c
+++ b/vp8/common/entropymv.c
@@ -28,14 +28,14 @@
 /* Smooth or bias the mv-counts before prob computation */
 /* #define SMOOTH_MV_COUNTS */
 
-const vp8_tree_index vp8_mv_joint_tree[2 * MV_JOINTS - 2] = {
+const vp8_tree_index vp9_mv_joint_tree[2 * MV_JOINTS - 2] = {
   -MV_JOINT_ZERO, 2,
   -MV_JOINT_HNZVZ, 4,
   -MV_JOINT_HZVNZ, -MV_JOINT_HNZVNZ
 };
-struct vp8_token_struct vp8_mv_joint_encodings[MV_JOINTS];
+struct vp8_token_struct vp9_mv_joint_encodings[MV_JOINTS];
 
-const vp8_tree_index vp8_mv_class_tree[2 * MV_CLASSES - 2] = {
+const vp8_tree_index vp9_mv_class_tree[2 * MV_CLASSES - 2] = {
   -MV_CLASS_0, 2,
   -MV_CLASS_1, 4,
   6, 8,
@@ -44,21 +44,21 @@ const vp8_tree_index vp8_mv_class_tree[2 * MV_CLASSES - 2] = {
   -MV_CLASS_4, -MV_CLASS_5,
   -MV_CLASS_6, -MV_CLASS_7,
 };
-struct vp8_token_struct vp8_mv_class_encodings[MV_CLASSES];
+struct vp8_token_struct vp9_mv_class_encodings[MV_CLASSES];
 
-const vp8_tree_index vp8_mv_class0_tree [2 * CLASS0_SIZE - 2] = {
+const vp8_tree_index vp9_mv_class0_tree [2 * CLASS0_SIZE - 2] = {
   -0, -1,
 };
-struct vp8_token_struct vp8_mv_class0_encodings[CLASS0_SIZE];
+struct vp8_token_struct vp9_mv_class0_encodings[CLASS0_SIZE];
 
-const vp8_tree_index vp8_mv_fp_tree [2 * 4 - 2] = {
+const vp8_tree_index vp9_mv_fp_tree [2 * 4 - 2] = {
   -0, 2,
   -1, 4,
   -2, -3
 };
-struct vp8_token_struct vp8_mv_fp_encodings[4];
+struct vp8_token_struct vp9_mv_fp_encodings[4];
 
-const nmv_context vp8_default_nmv_context = {
+const nmv_context vp9_default_nmv_context = {
   {32, 64, 96},
   {
     { /* vert component */
@@ -243,8 +243,8 @@ void vp9_counts_to_nmv_context(
   counts_to_context(&NMVcount->comps[0], usehp);
   counts_to_context(&NMVcount->comps[1], usehp);
   vp9_tree_probs_from_distribution(MV_JOINTS,
-                                   vp8_mv_joint_encodings,
-                                   vp8_mv_joint_tree,
+                                   vp9_mv_joint_encodings,
+                                   vp9_mv_joint_tree,
                                    prob->joints,
                                    branch_ct_joint,
                                    NMVcount->joints,
@@ -255,15 +255,15 @@ void vp9_counts_to_nmv_context(
     branch_ct_sign[i][0] = NMVcount->comps[i].sign[0];
     branch_ct_sign[i][1] = NMVcount->comps[i].sign[1];
     vp9_tree_probs_from_distribution(MV_CLASSES,
-                                     vp8_mv_class_encodings,
-                                     vp8_mv_class_tree,
+                                     vp9_mv_class_encodings,
+                                     vp9_mv_class_tree,
                                      prob->comps[i].classes,
                                      branch_ct_classes[i],
                                      NMVcount->comps[i].classes,
                                      256, 1);
     vp9_tree_probs_from_distribution(CLASS0_SIZE,
-                                     vp8_mv_class0_encodings,
-                                     vp8_mv_class0_tree,
+                                     vp9_mv_class0_encodings,
+                                     vp9_mv_class0_tree,
                                      prob->comps[i].class0,
                                      branch_ct_class0[i],
                                      NMVcount->comps[i].class0,
@@ -278,16 +278,16 @@ void vp9_counts_to_nmv_context(
   for (i = 0; i < 2; ++i) {
     for (k = 0; k < CLASS0_SIZE; ++k) {
       vp9_tree_probs_from_distribution(4,
-                                       vp8_mv_fp_encodings,
-                                       vp8_mv_fp_tree,
+                                       vp9_mv_fp_encodings,
+                                       vp9_mv_fp_tree,
                                        prob->comps[i].class0_fp[k],
                                        branch_ct_class0_fp[i][k],
                                        NMVcount->comps[i].class0_fp[k],
                                        256, 1);
     }
     vp9_tree_probs_from_distribution(4,
-                                     vp8_mv_fp_encodings,
-                                     vp8_mv_fp_tree,
+                                     vp9_mv_fp_encodings,
+                                     vp9_mv_fp_tree,
                                      prob->comps[i].fp,
                                      branch_ct_fp[i],
                                      NMVcount->comps[i].fp,
@@ -454,12 +454,12 @@ void vp9_adapt_nmv_probs(VP8_COMMON *cm, int usehp) {
 }
 
 void vp9_entropy_mv_init() {
-  vp9_tokens_from_tree(vp8_mv_joint_encodings, vp8_mv_joint_tree);
-  vp9_tokens_from_tree(vp8_mv_class_encodings, vp8_mv_class_tree);
-  vp9_tokens_from_tree(vp8_mv_class0_encodings, vp8_mv_class0_tree);
-  vp9_tokens_from_tree(vp8_mv_fp_encodings, vp8_mv_fp_tree);
+  vp9_tokens_from_tree(vp9_mv_joint_encodings, vp9_mv_joint_tree);
+  vp9_tokens_from_tree(vp9_mv_class_encodings, vp9_mv_class_tree);
+  vp9_tokens_from_tree(vp9_mv_class0_encodings, vp9_mv_class0_tree);
+  vp9_tokens_from_tree(vp9_mv_fp_encodings, vp9_mv_fp_tree);
 }
 
 void vp9_init_mv_probs(VP8_COMMON *cm) {
-  vpx_memcpy(&cm->fc.nmvc, &vp8_default_nmv_context, sizeof(nmv_context));
+  vpx_memcpy(&cm->fc.nmvc, &vp9_default_nmv_context, sizeof(nmv_context));
 }
diff --git a/vp8/common/entropymv.h b/vp8/common/entropymv.h
index 1509e20dc8ff8728e8f21b6d8e629ebfc01d258d..a64ac74e40a6313afbda9d416a90596aefdbe4e6 100644
--- a/vp8/common/entropymv.h
+++ b/vp8/common/entropymv.h
@@ -40,8 +40,8 @@ typedef enum {
   MV_JOINT_HNZVNZ = 3,           /* Both components nonzero */
 } MV_JOINT_TYPE;
 
-extern const vp8_tree_index vp8_mv_joint_tree[2 * MV_JOINTS - 2];
-extern struct vp8_token_struct vp8_mv_joint_encodings [MV_JOINTS];
+extern const vp8_tree_index vp9_mv_joint_tree[2 * MV_JOINTS - 2];
+extern struct vp8_token_struct vp9_mv_joint_encodings [MV_JOINTS];
 
 /* Symbols for coding magnitude class of nonzero components */
 #define MV_CLASSES     8
@@ -56,8 +56,8 @@ typedef enum {
   MV_CLASS_7 = 7,      /* (128, 256] integer pel */
 } MV_CLASS_TYPE;
 
-extern const vp8_tree_index vp8_mv_class_tree[2 * MV_CLASSES - 2];
-extern struct vp8_token_struct vp8_mv_class_encodings [MV_CLASSES];
+extern const vp8_tree_index vp9_mv_class_tree[2 * MV_CLASSES - 2];
+extern struct vp8_token_struct vp9_mv_class_encodings [MV_CLASSES];
 
 #define CLASS0_BITS    1  /* bits at integer precision for class 0 */
 #define CLASS0_SIZE    (1 << CLASS0_BITS)
@@ -67,11 +67,11 @@ extern struct vp8_token_struct vp8_mv_class_encodings [MV_CLASSES];
 #define MV_MAX         ((1 << MV_MAX_BITS) - 1)
 #define MV_VALS        ((MV_MAX << 1) + 1)
 
-extern const vp8_tree_index vp8_mv_class0_tree[2 * CLASS0_SIZE - 2];
-extern struct vp8_token_struct vp8_mv_class0_encodings[CLASS0_SIZE];
+extern const vp8_tree_index vp9_mv_class0_tree[2 * CLASS0_SIZE - 2];
+extern struct vp8_token_struct vp9_mv_class0_encodings[CLASS0_SIZE];
 
-extern const vp8_tree_index vp8_mv_fp_tree[2 * 4 - 2];
-extern struct vp8_token_struct vp8_mv_fp_encodings[4];
+extern const vp8_tree_index vp9_mv_fp_tree[2 * 4 - 2];
+extern struct vp8_token_struct vp9_mv_fp_encodings[4];
 
 typedef struct {
   vp8_prob sign;
@@ -113,7 +113,7 @@ typedef struct {
 
 void vp9_increment_nmv(const MV *mv, const MV *ref, nmv_context_counts *mvctx,
                        int usehp);
-extern const nmv_context vp8_default_nmv_context;
+extern const nmv_context vp9_default_nmv_context;
 void vp9_counts_to_nmv_context(
     nmv_context_counts *NMVcount,
     nmv_context *prob,
diff --git a/vp8/common/filter.c b/vp8/common/filter.c
index a44d15acff67c22840c04da8eabc18c80f221009..c2a20e1a630c1c28313f01f2426a1e0f1f1774be 100644
--- a/vp8/common/filter.c
+++ b/vp8/common/filter.c
@@ -14,7 +14,7 @@
 #include "vpx_ports/mem.h"
 #include "vpx_rtcd.h"
 
-DECLARE_ALIGNED(16, const short, vp8_bilinear_filters[SUBPEL_SHIFTS][2]) = {
+DECLARE_ALIGNED(16, const short, vp9_bilinear_filters[SUBPEL_SHIFTS][2]) = {
   { 128,   0 },
   { 120,   8 },
   { 112,  16 },
@@ -35,7 +35,7 @@ DECLARE_ALIGNED(16, const short, vp8_bilinear_filters[SUBPEL_SHIFTS][2]) = {
 
 #define FILTER_ALPHA       0
 #define FILTER_ALPHA_SHARP 1
-DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters_8[SUBPEL_SHIFTS][8]) = {
+DECLARE_ALIGNED(16, const short, vp9_sub_pel_filters_8[SUBPEL_SHIFTS][8]) = {
 #if FILTER_ALPHA == 0
   /* Lagrangian interpolation filter */
   { 0,   0,   0, 128,   0,   0,   0,  0},
@@ -81,7 +81,7 @@ DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters_8[SUBPEL_SHIFTS][8]) = {
 #endif  /* FILTER_ALPHA */
 };
 
-DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters_8s[SUBPEL_SHIFTS][8]) = {
+DECLARE_ALIGNED(16, const short, vp9_sub_pel_filters_8s[SUBPEL_SHIFTS][8]) = {
 #if FILTER_ALPHA_SHARP == 1
   /* dct based filter */
   {0,   0,   0, 128,   0,   0,   0, 0},
@@ -121,7 +121,7 @@ DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters_8s[SUBPEL_SHIFTS][8]) = {
 #endif  /* FILTER_ALPHA_SHARP */
 };
 
-DECLARE_ALIGNED(16, const short, vp8_sub_pel_filters_6[SUBPEL_SHIFTS][6]) = {
+DECLARE_ALIGNED(16, const short, vp9_sub_pel_filters_6[SUBPEL_SHIFTS][6]) = {
   {0,   0, 128,   0,   0, 0},
   {1,  -5, 125,   8,  -2, 1},
   {1,  -8, 122,  17,  -5, 1},
@@ -308,8 +308,8 @@ void vp9_sixtap_predict_c
   const short  *HFilter;
   const short  *VFilter;
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   filter_block2d_6(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter);
 }
@@ -354,8 +354,8 @@ void vp9_sixtap_predict_avg_c
   const short  *HFilter;
   const short  *VFilter;
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   filter_block2d_avg_6(src_ptr, dst_ptr, src_pixels_per_line,
                        dst_pitch, HFilter, VFilter);
@@ -375,8 +375,8 @@ void vp9_sixtap_predict8x8_c
   // int FData[(7+Interp_Extend*2)*16];   /* Temp data buffer used in filtering */
   int FData[(7 + Interp_Extend * 2) * 8]; /* Temp data buffer used in filtering */
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   /* First filter 1-D horizontally... */
   filter_block2d_first_pass_6(src_ptr - ((Interp_Extend - 1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
@@ -402,8 +402,8 @@ void vp9_sixtap_predict_avg8x8_c
   // int FData[(7+Interp_Extend*2)*16];   /* Temp data buffer used in filtering */
   int FData[(7 + Interp_Extend * 2) * 8]; /* Temp data buffer used in filtering */
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   /* First filter 1-D horizontally... */
   filter_block2d_first_pass_6(src_ptr - ((Interp_Extend - 1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
@@ -427,8 +427,8 @@ void vp9_sixtap_predict8x4_c
   // int FData[(7+Interp_Extend*2)*16];   /* Temp data buffer used in filtering */
   int FData[(3 + Interp_Extend * 2) * 8]; /* Temp data buffer used in filtering */
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   /* First filter 1-D horizontally... */
   filter_block2d_first_pass_6(src_ptr - ((Interp_Extend - 1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
@@ -455,8 +455,8 @@ void vp9_sixtap_predict16x16_c
   int FData[(15 + Interp_Extend * 2) * 16]; /* Temp data buffer used in filtering */
 
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   /* First filter 1-D horizontally... */
   filter_block2d_first_pass_6(src_ptr - ((Interp_Extend - 1) * src_pixels_per_line), FData, src_pixels_per_line, 1,
@@ -481,8 +481,8 @@ void vp9_sixtap_predict_avg16x16_c
   // int FData[(15+Interp_Extend*2)*24];   /* Temp data buffer used in filtering */
   int FData[(15 + Interp_Extend * 2) * 16]; /* Temp data buffer used in filtering */
 
-  HFilter = vp8_sub_pel_filters_6[xoffset];   /* 6 tap */
-  VFilter = vp8_sub_pel_filters_6[yoffset];   /* 6 tap */
+  HFilter = vp9_sub_pel_filters_6[xoffset];   /* 6 tap */
+  VFilter = vp9_sub_pel_filters_6[yoffset];   /* 6 tap */
 
   /* First filter 1-D horizontally... */
   filter_block2d_first_pass_6(src_ptr - ((Interp_Extend - 1) * src_pixels_per_line), FData,
@@ -685,8 +685,8 @@ void vp9_eighttap_predict_c
   const short  *HFilter;
   const short  *VFilter;
 
-  HFilter = vp8_sub_pel_filters_8[xoffset];
-  VFilter = vp8_sub_pel_filters_8[yoffset];
+  HFilter = vp9_sub_pel_filters_8[xoffset];
+  VFilter = vp9_sub_pel_filters_8[yoffset];
 
   vp9_filter_block2d_4x4_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -702,8 +702,8 @@ void vp9_eighttap_predict_avg4x4_c
   unsigned char *dst_ptr,
   int dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8[yoffset];
   unsigned char tmp[4 * 4];
 
   vp9_filter_block2d_4x4_8(src_ptr, src_pixels_per_line,
@@ -724,8 +724,8 @@ void vp9_eighttap_predict_sharp_c
   const short  *HFilter;
   const short  *VFilter;
 
-  HFilter = vp8_sub_pel_filters_8s[xoffset];
-  VFilter = vp8_sub_pel_filters_8s[yoffset];
+  HFilter = vp9_sub_pel_filters_8s[xoffset];
+  VFilter = vp9_sub_pel_filters_8s[yoffset];
 
   vp9_filter_block2d_4x4_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -741,8 +741,8 @@ void vp9_eighttap_predict_avg4x4_sharp_c
   unsigned char *dst_ptr,
   int dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8s[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8s[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8s[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8s[yoffset];
   unsigned char tmp[4 * 4];
 
   vp9_filter_block2d_4x4_8(src_ptr, src_pixels_per_line,
@@ -760,8 +760,8 @@ void vp9_eighttap_predict8x8_c
   unsigned char *dst_ptr,
   int  dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8[yoffset];
 
   vp9_filter_block2d_8x8_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -777,8 +777,8 @@ void vp9_eighttap_predict8x8_sharp_c
   unsigned char *dst_ptr,
   int  dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8s[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8s[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8s[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8s[yoffset];
 
   vp9_filter_block2d_8x8_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -795,8 +795,8 @@ void vp9_eighttap_predict_avg8x8_c
   int  dst_pitch
 ) {
   unsigned char tmp[8 * 8];
-  const short  *HFilter = vp8_sub_pel_filters_8[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8[yoffset];
 
   vp9_filter_block2d_8x8_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -814,8 +814,8 @@ void vp9_eighttap_predict_avg8x8_sharp_c
   int  dst_pitch
 ) {
   unsigned char tmp[8 * 8];
-  const short  *HFilter = vp8_sub_pel_filters_8s[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8s[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8s[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8s[yoffset];
 
   vp9_filter_block2d_8x8_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -833,8 +833,8 @@ void vp9_eighttap_predict8x4_c
   int  dst_pitch
 ) {
 
-  const short  *HFilter = vp8_sub_pel_filters_8[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8[yoffset];
 
   vp9_filter_block2d_8x4_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -850,8 +850,8 @@ void vp9_eighttap_predict8x4_sharp_c
   unsigned char *dst_ptr,
   int  dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8s[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8s[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8s[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8s[yoffset];
 
   vp9_filter_block2d_8x4_8(src_ptr, src_pixels_per_line,
                            HFilter, VFilter,
@@ -867,8 +867,8 @@ void vp9_eighttap_predict16x16_c
   unsigned char *dst_ptr,
   int  dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8[yoffset];
 
   vp9_filter_block2d_16x16_8(src_ptr, src_pixels_per_line,
                        HFilter, VFilter,
@@ -884,8 +884,8 @@ void vp9_eighttap_predict16x16_sharp_c
   unsigned char *dst_ptr,
   int  dst_pitch
 ) {
-  const short  *HFilter = vp8_sub_pel_filters_8s[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8s[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8s[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8s[yoffset];
 
   vp9_filter_block2d_16x16_8(src_ptr, src_pixels_per_line,
                        HFilter, VFilter,
@@ -902,8 +902,8 @@ void vp9_eighttap_predict_avg16x16_c
   int  dst_pitch
 ) {
   DECLARE_ALIGNED_ARRAY(16, unsigned char, tmp, 16 * 16);
-  const short  *HFilter = vp8_sub_pel_filters_8[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8[yoffset];
 
   vp9_filter_block2d_16x16_8(src_ptr, src_pixels_per_line,
                        HFilter, VFilter,
@@ -921,8 +921,8 @@ void vp9_eighttap_predict_avg16x16_sharp_c
   int  dst_pitch
 ) {
   DECLARE_ALIGNED_ARRAY(16, unsigned char, tmp, 16 * 16);
-  const short  *HFilter = vp8_sub_pel_filters_8s[xoffset];
-  const short  *VFilter = vp8_sub_pel_filters_8s[yoffset];
+  const short  *HFilter = vp9_sub_pel_filters_8s[xoffset];
+  const short  *VFilter = vp9_sub_pel_filters_8s[yoffset];
 
   vp9_filter_block2d_16x16_8(src_ptr, src_pixels_per_line,
                        HFilter, VFilter,
@@ -1139,8 +1139,8 @@ void vp9_bilinear_predict4x4_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 #if 0
   {
     int i;
@@ -1174,8 +1174,8 @@ void vp9_bilinear_predict_avg4x4_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
                          dst_pitch, HFilter, VFilter, 4, 4);
@@ -1193,8 +1193,8 @@ void vp9_bilinear_predict8x8_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 8, 8);
 
@@ -1212,8 +1212,8 @@ void vp9_bilinear_predict_avg8x8_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
                          dst_pitch, HFilter, VFilter, 8, 8);
@@ -1231,8 +1231,8 @@ void vp9_bilinear_predict8x4_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 8, 4);
 
@@ -1250,8 +1250,8 @@ void vp9_bilinear_predict16x16_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 16, 16);
 }
@@ -1268,8 +1268,8 @@ void vp9_bilinear_predict_avg16x16_c
   const short *HFilter;
   const short *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
                          dst_pitch, HFilter, VFilter, 16, 16);
diff --git a/vp8/common/filter.h b/vp8/common/filter.h
index fdae128e8e501424b8656a3ac27f9b3c5129abaa..142c784283f6efb784ba3ae95713d4caf7cfeb23 100644
--- a/vp8/common/filter.h
+++ b/vp8/common/filter.h
@@ -20,9 +20,9 @@
 
 #define SUBPEL_SHIFTS 16
 
-extern const short vp8_bilinear_filters[SUBPEL_SHIFTS][2];
-extern const short vp8_sub_pel_filters_6[SUBPEL_SHIFTS][6];
-extern const short vp8_sub_pel_filters_8[SUBPEL_SHIFTS][8];
-extern const short vp8_sub_pel_filters_8s[SUBPEL_SHIFTS][8];
+extern const short vp9_bilinear_filters[SUBPEL_SHIFTS][2];
+extern const short vp9_sub_pel_filters_6[SUBPEL_SHIFTS][6];
+extern const short vp9_sub_pel_filters_8[SUBPEL_SHIFTS][8];
+extern const short vp9_sub_pel_filters_8s[SUBPEL_SHIFTS][8];
 
 #endif // FILTER_H
diff --git a/vp8/common/findnearmv.c b/vp8/common/findnearmv.c
index 20d869e6abc6ce7feeb55417d592fb5b12cb4b54..cffa77e39fb2591d7fa072113a3751897832fda4 100644
--- a/vp8/common/findnearmv.c
+++ b/vp8/common/findnearmv.c
@@ -13,7 +13,7 @@
 #include "vp8/common/sadmxn.h"
 #include <limits.h>
 
-const unsigned char vp8_mbsplit_offset[4][16] = {
+const unsigned char vp9_mbsplit_offset[4][16] = {
   { 0,  8,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0},
   { 0,  2,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0},
   { 0,  2,  8, 10,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0},
diff --git a/vp8/common/findnearmv.h b/vp8/common/findnearmv.h
index 18d746b41065b8e7b3baae1f7ee3558454d9ef45..c429be7c7dadd334b003460f1e378eecb6a033df 100644
--- a/vp8/common/findnearmv.h
+++ b/vp8/common/findnearmv.h
@@ -100,7 +100,7 @@ vp8_prob *vp9_mv_ref_probs(VP8_COMMON *pc,
                            vp8_prob p[VP8_MVREFS - 1], const int near_mv_ref_ct[4]
                           );
 
-extern const unsigned char vp8_mbsplit_offset[4][16];
+extern const unsigned char vp9_mbsplit_offset[4][16];
 
 
 static int left_block_mv(const MODE_INFO *cur_mb, int b) {
diff --git a/vp8/common/idctllm.c b/vp8/common/idctllm.c
index fdc12fd504fab6d22b9999ab521bc534745dea61..279ec585fb08b4c6d9031e191a8463682efd969c 100644
--- a/vp8/common/idctllm.c
+++ b/vp8/common/idctllm.c
@@ -36,21 +36,21 @@ static const int rounding = 0;
 
 // TODO: these transforms can be further converted into integer forms
 //       for complexity optimization
-float idct_4[16] = {
+static const float idct_4[16] = {
   0.500000000000000,   0.653281482438188,   0.500000000000000,   0.270598050073099,
   0.500000000000000,   0.270598050073099,  -0.500000000000000,  -0.653281482438188,
   0.500000000000000,  -0.270598050073099,  -0.500000000000000,   0.653281482438188,
   0.500000000000000,  -0.653281482438188,   0.500000000000000,  -0.270598050073099
 };
 
-float iadst_4[16] = {
+static const float iadst_4[16] = {
   0.228013428883779,   0.577350269189626,   0.656538502008139,   0.428525073124360,
   0.428525073124360,   0.577350269189626,  -0.228013428883779,  -0.656538502008139,
   0.577350269189626,                   0,  -0.577350269189626,   0.577350269189626,
   0.656538502008139,  -0.577350269189626,   0.428525073124359,  -0.228013428883779
 };
 
-float idct_8[64] = {
+static const float idct_8[64] = {
   0.353553390593274,   0.490392640201615,   0.461939766255643,   0.415734806151273,
   0.353553390593274,   0.277785116509801,   0.191341716182545,   0.097545161008064,
   0.353553390593274,   0.415734806151273,   0.191341716182545,  -0.097545161008064,
@@ -69,7 +69,7 @@ float idct_8[64] = {
   0.353553390593274,  -0.277785116509801,   0.191341716182545,  -0.097545161008064
 };
 
-float iadst_8[64] = {
+static const float iadst_8[64] = {
   0.089131608307533,   0.255357107325376,   0.387095214016349,   0.466553967085785,
   0.483002021635509,   0.434217976756762,   0.326790388032145,   0.175227946595735,
   0.175227946595735,   0.434217976756762,   0.466553967085785,   0.255357107325376,
@@ -88,21 +88,21 @@ float iadst_8[64] = {
   0.326790388032145,  -0.255357107325375,   0.175227946595736,  -0.089131608307532
 };
 
-const int16_t idct_i4[16] = {
+static const int16_t idct_i4[16] = {
   8192,  10703,  8192,   4433,
   8192,   4433, -8192, -10703,
   8192,  -4433, -8192,  10703,
   8192, -10703,  8192,  -4433
 };
 
-const int16_t iadst_i4[16] = {
+static const int16_t iadst_i4[16] = {
    3736,  9459, 10757,   7021,
    7021,  9459, -3736, -10757,
    9459,     0, -9459,   9459,
   10757, -9459,  7021,  -3736
 };
 
-const int16_t idct_i8[64] = {
+static const int16_t idct_i8[64] = {
    5793,  8035,  7568,  6811,
    5793,  4551,  3135,  1598,
    5793,  6811,  3135, -1598,
@@ -121,7 +121,7 @@ const int16_t idct_i8[64] = {
    5793, -4551,  3135, -1598
 };
 
-const int16_t iadst_i8[64] = {
+static const int16_t iadst_i8[64] = {
    1460,  4184,  6342,  7644,
    7914,  7114,  5354,  2871,
    2871,  7114,  7644,  4184,
@@ -140,7 +140,7 @@ const int16_t iadst_i8[64] = {
    5354, -4184,  2871, -1460
 };
 
-float idct_16[256] = {
+static float idct_16[256] = {
   0.250000,  0.351851,  0.346760,  0.338330,  0.326641,  0.311806,  0.293969,  0.273300,
   0.250000,  0.224292,  0.196424,  0.166664,  0.135299,  0.102631,  0.068975,  0.034654,
   0.250000,  0.338330,  0.293969,  0.224292,  0.135299,  0.034654, -0.068975, -0.166664,
@@ -175,7 +175,7 @@ float idct_16[256] = {
   0.250000, -0.224292,  0.196424, -0.166664,  0.135299, -0.102631,  0.068975, -0.034654
 };
 
-float iadst_16[256] = {
+static float iadst_16[256] = {
   0.033094,  0.098087,  0.159534,  0.215215,  0.263118,  0.301511,  0.329007,  0.344612,
   0.347761,  0.338341,  0.316693,  0.283599,  0.240255,  0.188227,  0.129396,  0.065889,
   0.065889,  0.188227,  0.283599,  0.338341,  0.344612,  0.301511,  0.215215,  0.098087,
@@ -210,7 +210,7 @@ float iadst_16[256] = {
   0.240255, -0.215215,  0.188227, -0.159534,  0.129396, -0.098087,  0.065889, -0.033094
 };
 
-const int16_t idct_i16[256] = {
+static const int16_t idct_i16[256] = {
    4096,  5765,  5681,  5543,  5352,  5109,  4816,  4478,
    4096,  3675,  3218,  2731,  2217,  1682,  1130,   568,
    4096,  5543,  4816,  3675,  2217,   568, -1130, -2731,
@@ -245,7 +245,7 @@ const int16_t idct_i16[256] = {
    4096, -3675,  3218, -2731,  2217, -1682,  1130,  -568
 };
 
-const int16_t iadst_i16[256] = {
+static const int16_t iadst_i16[256] = {
     542,  1607,  2614,  3526,  4311,  4940,  5390,  5646,
    5698,  5543,  5189,  4646,  3936,  3084,  2120,  1080,
    1080,  3084,  4646,  5543,  5646,  4940,  3526,  1607,
@@ -304,7 +304,7 @@ void vp9_ihtllm_float_c(const int16_t *input, int16_t *output, int pitch,
     float *pfb = &bufb[0];
 
     // pointers to vertical and horizontal transforms
-    float *ptv, *pth;
+    const float *ptv, *pth;
 
     assert(tx_type != DCT_DCT);
     // load and convert residual array into floating-point
diff --git a/vp8/common/modecont.c b/vp8/common/modecont.c
index 5995f5732ce9777893e34e35a197362d7d92cb28..023d201f1b313eae1708ed8d676a832e5a2b41c8 100644
--- a/vp8/common/modecont.c
+++ b/vp8/common/modecont.c
@@ -10,7 +10,7 @@
 
 
 #include "entropy.h"
-const int default_vp8_mode_contexts[6][4] = {
+const int vp9_default_mode_contexts[6][4] = {
   {
     /* 0 */
     7,     1,     1,   183
@@ -36,7 +36,7 @@ const int default_vp8_mode_contexts[6][4] = {
     234,   188,   128,   28
   },
 };
-const int default_vp8_mode_contexts_a[6][4] = {
+const int vp9_default_mode_contexts_a[6][4] = {
   {
     /* 0 */
     4,     1,    1,   143
diff --git a/vp8/common/modecont.h b/vp8/common/modecont.h
index f219d7594f2270021683e53ea5474ab4c65c600b..c13c14f6c1a3c6b90bc0cf72679ca23278474365 100644
--- a/vp8/common/modecont.h
+++ b/vp8/common/modecont.h
@@ -12,6 +12,6 @@
 #ifndef __INC_MODECONT_H
 #define __INC_MODECONT_H
 
-extern const int default_vp8_mode_contexts[6][4];
-extern const int default_vp8_mode_contexts_a[6][4];
+extern const int vp9_default_mode_contexts[6][4];
+extern const int vp9_default_mode_contexts_a[6][4];
 #endif
diff --git a/vp8/common/modecontext.c b/vp8/common/modecontext.c
index 47b4596edc7622ee6959903c855b0575a038ff1f..412f5586dda3f19a907556ae556aad34c617656f 100644
--- a/vp8/common/modecontext.c
+++ b/vp8/common/modecontext.c
@@ -11,7 +11,7 @@
 
 #include "entropymode.h"
 
-const unsigned int vp8_kf_default_bmode_counts [VP8_BINTRAMODES] [VP8_BINTRAMODES] [VP8_BINTRAMODES] = {
+const unsigned int vp9_kf_default_bmode_counts[VP8_BINTRAMODES][VP8_BINTRAMODES][VP8_BINTRAMODES] = {
   {
     /*Above Mode :  0*/
     { 43438,   2195,    470,    316,    615,    171,    217,    412,    124,    160, }, /* left_mode 0 */
diff --git a/vp8/common/postproc.c b/vp8/common/postproc.c
index 17404239dcea433de38fa4b6c9ba06418ee7d1aa..ea6bd9229522932fe4583b0634ab68c893b3d289 100644
--- a/vp8/common/postproc.c
+++ b/vp8/common/postproc.c
@@ -76,7 +76,7 @@ static const short kernel5[] = {
   1, 1, 4, 1, 1
 };
 
-const short vp8_rv[] = {
+const short vp9_rv[] = {
   8, 5, 2, 2, 8, 12, 4, 9, 8, 3,
   0, 3, 9, 0, 0, 0, 8, 3, 14, 4,
   10, 1, 11, 14, 1, 14, 9, 6, 12, 11,
@@ -256,7 +256,7 @@ void vp9_mbpost_proc_across_ip_c(unsigned char *src, int pitch, int rows, int co
 
 void vp9_mbpost_proc_down_c(unsigned char *dst, int pitch, int rows, int cols, int flimit) {
   int r, c, i;
-  const short *rv3 = &vp8_rv[63 & rand()];
+  const short *rv3 = &vp9_rv[63 & rand()];
 
   for (c = 0; c < cols; c++) {
     unsigned char *s = &dst[c];
diff --git a/vp8/common/pred_common.c b/vp8/common/pred_common.c
index 5c927f1ba79e9037787e1116ff430729d1f2136b..2fb8c44b1a4999910cbc42992b2f09cff85514d9 100644
--- a/vp8/common/pred_common.c
+++ b/vp8/common/pred_common.c
@@ -71,11 +71,11 @@ unsigned char vp9_get_pred_context(const VP8_COMMON *const cm,
         int above_mode = (m - cm->mode_info_stride)->mbmi.mode;
         int left_interp, above_interp;
         if (left_in_image && left_mode >= NEARESTMV && left_mode <= SPLITMV)
-          left_interp = vp8_switchable_interp_map[(m - 1)->mbmi.interp_filter];
+          left_interp = vp9_switchable_interp_map[(m - 1)->mbmi.interp_filter];
         else
           left_interp = VP8_SWITCHABLE_FILTERS;
         if (above_in_image && above_mode >= NEARESTMV && above_mode <= SPLITMV)
-          above_interp = vp8_switchable_interp_map[
+          above_interp = vp9_switchable_interp_map[
               (m - cm->mode_info_stride)->mbmi.interp_filter];
         else
           above_interp = VP8_SWITCHABLE_FILTERS;
diff --git a/vp8/common/seg_common.c b/vp8/common/seg_common.c
index 8d23fd153cc96fc25d668de7ccb433aff117246b..0cc80b4d2241a0783664eb71e09f5c7d57cfd4aa 100644
--- a/vp8/common/seg_common.c
+++ b/vp8/common/seg_common.c
@@ -10,9 +10,8 @@
 
 #include "vp8/common/seg_common.h"
 
-const int segfeaturedata_signed[SEG_LVL_MAX] = {1, 1, 0, 0, 0, 0};
-const int vp8_seg_feature_data_bits[SEG_LVL_MAX] =
-{QINDEX_BITS, 6, 4, 4, 6, 2};
+static const int segfeaturedata_signed[SEG_LVL_MAX] = { 1, 1, 0, 0, 0, 0 };
+static const int seg_feature_data_bits[SEG_LVL_MAX] = { QINDEX_BITS, 6, 4, 4, 6, 2 };
 
 // These functions provide access to new segment level features.
 // Eventually these function may be "optimized out" but for the moment,
@@ -46,7 +45,7 @@ void vp9_disable_segfeature(MACROBLOCKD *xd,
 }
 
 int vp9_seg_feature_data_bits(SEG_LVL_FEATURES feature_id) {
-  return vp8_seg_feature_data_bits[feature_id];
+  return seg_feature_data_bits[feature_id];
 }
 
 int vp9_is_segfeature_signed(SEG_LVL_FEATURES feature_id) {
diff --git a/vp8/common/x86/postproc_mmx.asm b/vp8/common/x86/postproc_mmx.asm
index 529ea9ab4cf8d95d8419d35a03b8049bf327767a..3e511b873a50c1bc55cac2da454bb4c1622372af 100644
--- a/vp8/common/x86/postproc_mmx.asm
+++ b/vp8/common/x86/postproc_mmx.asm
@@ -264,7 +264,7 @@ sym(vp9_post_proc_down_and_across_mmx):
 
 ;void vp9_mbpost_proc_down_mmx(unsigned char *dst,
 ;                             int pitch, int rows, int cols,int flimit)
-extern sym(vp8_rv)
+extern sym(vp9_rv)
 global sym(vp9_mbpost_proc_down_mmx)
 sym(vp9_mbpost_proc_down_mmx):
     push        rbp
@@ -286,7 +286,7 @@ sym(vp9_mbpost_proc_down_mmx):
 %define flimit2 [rsp+128]
 
 %if ABI_IS_32BIT=0
-    lea         r8,       [GLOBAL(sym(vp8_rv))]
+    lea         r8,       [GLOBAL(sym(vp9_rv))]
 %endif
 
     ;rows +=8;
@@ -404,13 +404,13 @@ sym(vp9_mbpost_proc_down_mmx):
             and         rcx,        127
 %if ABI_IS_32BIT=1 && CONFIG_PIC=1
             push        rax
-            lea         rax,        [GLOBAL(sym(vp8_rv))]
-            movq        mm4,        [rax + rcx*2] ;vp8_rv[rcx*2]
+            lea         rax,        [GLOBAL(sym(vp9_rv))]
+            movq        mm4,        [rax + rcx*2] ;vp9_rv[rcx*2]
             pop         rax
 %elif ABI_IS_32BIT=0
-            movq        mm4,        [r8 + rcx*2] ;vp8_rv[rcx*2]
+            movq        mm4,        [r8 + rcx*2] ;vp9_rv[rcx*2]
 %else
-            movq        mm4,        [sym(vp8_rv) + rcx*2]
+            movq        mm4,        [sym(vp9_rv) + rcx*2]
 %endif
             paddw       mm1,        mm4
             ;paddw     xmm1,       eight8s
diff --git a/vp8/common/x86/postproc_sse2.asm b/vp8/common/x86/postproc_sse2.asm
index 0aeab52599cbfa2b3408ab1313693160c5aae294..91758e62d78473a7f90b9985186cc924b684a881 100644
--- a/vp8/common/x86/postproc_sse2.asm
+++ b/vp8/common/x86/postproc_sse2.asm
@@ -250,7 +250,7 @@ sym(vp9_post_proc_down_and_across_xmm):
 
 ;void vp9_mbpost_proc_down_xmm(unsigned char *dst,
 ;                            int pitch, int rows, int cols,int flimit)
-extern sym(vp8_rv)
+extern sym(vp9_rv)
 global sym(vp9_mbpost_proc_down_xmm)
 sym(vp9_mbpost_proc_down_xmm):
     push        rbp
@@ -275,7 +275,7 @@ sym(vp9_mbpost_proc_down_xmm):
 %define flimit4 [rsp+128]
 
 %if ABI_IS_32BIT=0
-    lea         r8,       [GLOBAL(sym(vp8_rv))]
+    lea         r8,       [GLOBAL(sym(vp9_rv))]
 %endif
 
     ;rows +=8;
@@ -393,13 +393,13 @@ sym(vp9_mbpost_proc_down_xmm):
             and         rcx,        127
 %if ABI_IS_32BIT=1 && CONFIG_PIC=1
             push        rax
-            lea         rax,        [GLOBAL(sym(vp8_rv))]
-            movdqu      xmm4,       [rax + rcx*2] ;vp8_rv[rcx*2]
+            lea         rax,        [GLOBAL(sym(vp9_rv))]
+            movdqu      xmm4,       [rax + rcx*2] ;vp9_rv[rcx*2]
             pop         rax
 %elif ABI_IS_32BIT=0
-            movdqu      xmm4,       [r8 + rcx*2] ;vp8_rv[rcx*2]
+            movdqu      xmm4,       [r8 + rcx*2] ;vp9_rv[rcx*2]
 %else
-            movdqu      xmm4,       [sym(vp8_rv) + rcx*2]
+            movdqu      xmm4,       [sym(vp9_rv) + rcx*2]
 %endif
 
             paddw       xmm1,       xmm4
diff --git a/vp8/common/x86/subpixel_mmx.asm b/vp8/common/x86/subpixel_mmx.asm
index 0497187ed6c182ae1f0f64d643c1f8e978ef0ceb..919892d353286a9c7154e5ba915387ef3fc337d3 100644
--- a/vp8/common/x86/subpixel_mmx.asm
+++ b/vp8/common/x86/subpixel_mmx.asm
@@ -229,7 +229,7 @@ sym(vp9_bilinear_predict8x8_mmx):
         mov         rdi,        arg(4) ;dst_ptr           ;
 
         shl         rax,        5 ; offset * 32
-        lea         rcx,        [GLOBAL(sym(vp9_bilinear_filters_mmx))]
+        lea         rcx,        [GLOBAL(sym(vp9_bilinear_filters_8x_mmx))]
 
         add         rax,        rcx ; HFilter
         mov         rsi,        arg(0) ;src_ptr              ;
@@ -385,7 +385,7 @@ sym(vp9_bilinear_predict8x4_mmx):
         movsxd      rax,        dword ptr arg(2) ;xoffset
         mov         rdi,        arg(4) ;dst_ptr           ;
 
-        lea         rcx,        [GLOBAL(sym(vp9_bilinear_filters_mmx))]
+        lea         rcx,        [GLOBAL(sym(vp9_bilinear_filters_8x_mmx))]
         shl         rax,        5
 
         mov         rsi,        arg(0) ;src_ptr              ;
@@ -540,7 +540,7 @@ sym(vp9_bilinear_predict4x4_mmx):
         movsxd      rax,        dword ptr arg(2) ;xoffset
         mov         rdi,        arg(4) ;dst_ptr           ;
 
-        lea         rcx,        [GLOBAL(sym(vp9_bilinear_filters_mmx))]
+        lea         rcx,        [GLOBAL(sym(vp9_bilinear_filters_8x_mmx))]
         shl         rax,        5
 
         add         rax,        rcx ; HFilter
@@ -700,8 +700,8 @@ sym(vp9_six_tap_mmx):
 
 
 align 16
-global HIDDEN_DATA(sym(vp9_bilinear_filters_mmx))
-sym(vp9_bilinear_filters_mmx):
+global HIDDEN_DATA(sym(vp9_bilinear_filters_8x_mmx))
+sym(vp9_bilinear_filters_8x_mmx):
     times 8 dw 128
     times 8 dw 0
 
diff --git a/vp8/common/x86/vp8_asm_stubs.c b/vp8/common/x86/vp8_asm_stubs.c
index 8e26fc6c90d88d3d1fd901248cb12c524c06d70d..8e4fd96c48d5f7c7d89f433eddc29f7cc8aa6a0b 100644
--- a/vp8/common/x86/vp8_asm_stubs.c
+++ b/vp8/common/x86/vp8_asm_stubs.c
@@ -14,7 +14,7 @@
 #include "vp8/common/subpixel.h"
 
 extern const short vp9_six_tap_mmx[16][6 * 8];
-extern const short vp9_bilinear_filters_mmx[16][2 * 8];
+extern const short vp9_bilinear_filters_8x_mmx[16][2 * 8];
 
 extern void vp9_filter_block1d_h6_mmx
 (
diff --git a/vp8/decoder/asm_dec_offsets.c b/vp8/decoder/asm_dec_offsets.c
index 8551bab103fd5cb19a0c6bb7dd1ec870689fa1c7..270a4e0bce007216fad1748a2286da8f57494052 100644
--- a/vp8/decoder/asm_dec_offsets.c
+++ b/vp8/decoder/asm_dec_offsets.c
@@ -16,7 +16,7 @@ BEGIN
 
 DEFINE(detok_scan,                              offsetof(DETOK, scan));
 DEFINE(detok_ptr_block2leftabove,               offsetof(DETOK, ptr_block2leftabove));
-DEFINE(detok_coef_tree_ptr,                     offsetof(DETOK, vp8_coef_tree_ptr));
+DEFINE(detok_coef_tree_ptr,                     offsetof(DETOK, vp9_coef_tree_ptr));
 DEFINE(detok_norm_ptr,                          offsetof(DETOK, norm_ptr));
 DEFINE(detok_ptr_coef_bands_x,                  offsetof(DETOK, ptr_coef_bands_x));
 
diff --git a/vp8/decoder/dboolhuff.h b/vp8/decoder/dboolhuff.h
index e6ca1a657ee7a1cb71deb30835ccccab2de18734..f6af5c8815cc3405e766b459f3857c053be947b6 100644
--- a/vp8/decoder/dboolhuff.h
+++ b/vp8/decoder/dboolhuff.h
@@ -33,7 +33,7 @@ typedef struct {
   unsigned int         range;
 } BOOL_DECODER;
 
-DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]);
+DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]);
 
 int vp9_start_decode(BOOL_DECODER *br,
                      const unsigned char *source,
@@ -103,7 +103,7 @@ static int vp8dx_decode_bool(BOOL_DECODER *br, int probability) {
   }
 
   {
-    register unsigned int shift = vp8_norm[range];
+    register unsigned int shift = vp9_norm[range];
     range <<= shift;
     value <<= shift;
     count -= shift;
diff --git a/vp8/decoder/decodemv.c b/vp8/decoder/decodemv.c
index 98a0cc886d7de5f02e06dbf664b3e302ef3d635c..b2c51f5f694b2d929029f434581e28c6ab412af5 100644
--- a/vp8/decoder/decodemv.c
+++ b/vp8/decoder/decodemv.c
@@ -29,31 +29,31 @@ int dec_mvcount = 0;
 #endif
 
 static int vp8_read_bmode(vp8_reader *bc, const vp8_prob *p) {
-  return vp8_treed_read(bc, vp8_bmode_tree, p);
+  return vp8_treed_read(bc, vp9_bmode_tree, p);
 }
 
 
 static int vp8_read_ymode(vp8_reader *bc, const vp8_prob *p) {
-  return vp8_treed_read(bc, vp8_ymode_tree, p);
+  return vp8_treed_read(bc, vp9_ymode_tree, p);
 }
 
 #if CONFIG_SUPERBLOCKS
 static int vp8_sb_kfread_ymode(vp8_reader *bc, const vp8_prob *p) {
-  return vp8_treed_read(bc, vp8_uv_mode_tree, p);
+  return vp8_treed_read(bc, vp9_uv_mode_tree, p);
 }
 #endif
 
 static int vp8_kfread_ymode(vp8_reader *bc, const vp8_prob *p) {
-  return vp8_treed_read(bc, vp8_kf_ymode_tree, p);
+  return vp8_treed_read(bc, vp9_kf_ymode_tree, p);
 }
 
 static int vp8_read_i8x8_mode(vp8_reader *bc, const vp8_prob *p) {
-  return vp8_treed_read(bc, vp8_i8x8_mode_tree, p);
+  return vp8_treed_read(bc, vp9_i8x8_mode_tree, p);
 }
 
 
 static int vp8_read_uv_mode(vp8_reader *bc, const vp8_prob *p) {
-  return vp8_treed_read(bc, vp8_uv_mode_tree, p);
+  return vp8_treed_read(bc, vp9_uv_mode_tree, p);
 }
 
 // This function reads the current macro block's segnent id from the bitstream
@@ -89,7 +89,7 @@ int vp8_read_mv_ref_id(vp8_reader *r,
 }
 #endif
 
-extern const int vp8_i8x8_block[4];
+extern const int vp9_i8x8_block[4];
 static void kfread_modes(VP8D_COMP *pbi,
                          MODE_INFO *m,
                          int mb_row,
@@ -168,7 +168,7 @@ static void kfread_modes(VP8D_COMP *pbi,
     int i;
     int mode8x8;
     for (i = 0; i < 4; i++) {
-      int ib = vp8_i8x8_block[i];
+      int ib = vp9_i8x8_block[i];
       mode8x8 = vp8_read_i8x8_mode(bc, pbi->common.fc.i8x8_mode_prob);
       m->bmi[ib + 0].as_mode.first = mode8x8;
       m->bmi[ib + 1].as_mode.first = mode8x8;
@@ -213,9 +213,9 @@ static int read_nmv_component(vp8_reader *r,
                               const nmv_component *mvcomp) {
   int v, s, z, c, o, d;
   s = vp8_read(r, mvcomp->sign);
-  c = vp8_treed_read(r, vp8_mv_class_tree, mvcomp->classes);
+  c = vp8_treed_read(r, vp9_mv_class_tree, mvcomp->classes);
   if (c == MV_CLASS_0) {
-    d = vp8_treed_read(r, vp8_mv_class0_tree, mvcomp->class0);
+    d = vp8_treed_read(r, vp9_mv_class0_tree, mvcomp->class0);
   } else {
     int i, b;
     d = 0;
@@ -244,9 +244,9 @@ static int read_nmv_component_fp(vp8_reader *r,
   d = o >> 3;
 
   if (c == MV_CLASS_0) {
-    f = vp8_treed_read(r, vp8_mv_fp_tree, mvcomp->class0_fp[d]);
+    f = vp8_treed_read(r, vp9_mv_fp_tree, mvcomp->class0_fp[d]);
   } else {
-    f = vp8_treed_read(r, vp8_mv_fp_tree, mvcomp->fp);
+    f = vp8_treed_read(r, vp9_mv_fp_tree, mvcomp->fp);
   }
   o += (f << 1);
 
@@ -267,7 +267,7 @@ static int read_nmv_component_fp(vp8_reader *r,
 
 static void read_nmv(vp8_reader *r, MV *mv, const MV *ref,
                      const nmv_context *mvctx) {
-  MV_JOINT_TYPE j = vp8_treed_read(r, vp8_mv_joint_tree, mvctx->joints);
+  MV_JOINT_TYPE j = vp8_treed_read(r, vp9_mv_joint_tree, mvctx->joints);
   mv->row = mv-> col = 0;
   if (j == MV_JOINT_HZVNZ || j == MV_JOINT_HNZVNZ) {
     mv->row = read_nmv_component(r, ref->row, &mvctx->comps[0]);
@@ -468,16 +468,16 @@ static MV_REFERENCE_FRAME read_ref_frame(VP8D_COMP *pbi,
 
 #if CONFIG_SUPERBLOCKS
 static MB_PREDICTION_MODE read_sb_mv_ref(vp8_reader *bc, const vp8_prob *p) {
-  return (MB_PREDICTION_MODE) vp8_treed_read(bc, vp8_sb_mv_ref_tree, p);
+  return (MB_PREDICTION_MODE) vp8_treed_read(bc, vp9_sb_mv_ref_tree, p);
 }
 #endif
 
 static MB_PREDICTION_MODE read_mv_ref(vp8_reader *bc, const vp8_prob *p) {
-  return (MB_PREDICTION_MODE) vp8_treed_read(bc, vp8_mv_ref_tree, p);
+  return (MB_PREDICTION_MODE) vp8_treed_read(bc, vp9_mv_ref_tree, p);
 }
 
 static B_PREDICTION_MODE sub_mv_ref(vp8_reader *bc, const vp8_prob *p) {
-  return (B_PREDICTION_MODE) vp8_treed_read(bc, vp8_sub_mv_ref_tree, p);
+  return (B_PREDICTION_MODE) vp8_treed_read(bc, vp9_sub_mv_ref_tree, p);
 }
 
 #ifdef VPX_MODE_COUNT
@@ -789,8 +789,8 @@ static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
     if (mbmi->mode >= NEARESTMV && mbmi->mode <= SPLITMV)
     {
       if (cm->mcomp_filter_type == SWITCHABLE) {
-        mbmi->interp_filter = vp8_switchable_interp[
-            vp8_treed_read(bc, vp8_switchable_interp_tree,
+        mbmi->interp_filter = vp9_switchable_interp[
+            vp8_treed_read(bc, vp9_switchable_interp_tree,
                            vp9_get_pred_probs(cm, xd, PRED_SWITCHABLE_INTERP))];
       } else {
         mbmi->interp_filter = cm->mcomp_filter_type;
@@ -862,8 +862,8 @@ static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
     switch (mbmi->mode) {
       case SPLITMV: {
         const int s = mbmi->partitioning =
-                        vp8_treed_read(bc, vp8_mbsplit_tree, cm->fc.mbsplit_prob);
-        const int num_p = vp8_mbsplit_count [s];
+                        vp8_treed_read(bc, vp9_mbsplit_tree, cm->fc.mbsplit_prob);
+        const int num_p = vp9_mbsplit_count [s];
         int j = 0;
         cm->fc.mbsplit_counts[s]++;
 
@@ -875,7 +875,7 @@ static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
           int mv_contz;
           int blockmode;
 
-          k = vp8_mbsplit_offset[s][j];
+          k = vp9_mbsplit_offset[s][j];
 
           leftmv.as_int = left_block_mv(mi, k);
           abovemv.as_int = above_block_mv(mi, k, mis);
@@ -1121,7 +1121,7 @@ static void read_mb_modes_mv(VP8D_COMP *pbi, MODE_INFO *mi, MB_MODE_INFO *mbmi,
       int i;
       int mode8x8;
       for (i = 0; i < 4; i++) {
-        int ib = vp8_i8x8_block[i];
+        int ib = vp9_i8x8_block[i];
         mode8x8 = vp8_read_i8x8_mode(bc, pbi->common.fc.i8x8_mode_prob);
         mi->bmi[ib + 0].as_mode.first = mode8x8;
         mi->bmi[ib + 1].as_mode.first = mode8x8;
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c
index 8bc40d78422a60c39ebce9044f2b63639530aea7..504ac642459bfe09b52a014c6d5b6d430edbe923 100644
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -84,7 +84,7 @@ void vp9_init_de_quantizer(VP8D_COMP *pbi) {
 
     /* all the ac values =; */
     for (i = 1; i < 16; i++) {
-      int rc = vp8_default_zig_zag1d[i];
+      int rc = vp9_default_zig_zag1d[i];
 
       pc->Y1dequant[Q][rc] = (short)vp9_ac_yquant(Q);
       pc->Y2dequant[Q][rc] = (short)vp9_ac2quant(Q, pc->y2ac_delta_q);
@@ -309,7 +309,7 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
   /* dequantization and idct */
   if (mode == I8X8_PRED) {
     for (i = 0; i < 4; i++) {
-      int ib = vp8_i8x8_block[i];
+      int ib = vp9_i8x8_block[i];
       const int iblock[4] = {0, 1, 4, 5};
       int j;
       int i8x8mode;
diff --git a/vp8/decoder/detokenize.c b/vp8/decoder/detokenize.c
index 00797ed34db33177e3019eff4d0af340402361bd..37dfa6a5788010bc29ce418897224cdac369a5e7 100644
--- a/vp8/decoder/detokenize.c
+++ b/vp8/decoder/detokenize.c
@@ -22,13 +22,13 @@
 
 #define OCB_X PREV_COEF_CONTEXTS * ENTROPY_NODES
 
-DECLARE_ALIGNED(16, const int, coef_bands_x[16]) = {
+DECLARE_ALIGNED(16, static const int, coef_bands_x[16]) = {
   0 * OCB_X, 1 * OCB_X, 2 * OCB_X, 3 * OCB_X,
   6 * OCB_X, 4 * OCB_X, 5 * OCB_X, 6 * OCB_X,
   6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
   6 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X
 };
-DECLARE_ALIGNED(16, const int, coef_bands_x_8x8[64]) = {
+DECLARE_ALIGNED(16, static const int, coef_bands_x_8x8[64]) = {
   0 * OCB_X, 1 * OCB_X, 2 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 4 * OCB_X, 5 * OCB_X,
   5 * OCB_X, 3 * OCB_X, 6 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 6 * OCB_X, 6 * OCB_X,
   6 * OCB_X, 5 * OCB_X, 5 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
@@ -39,7 +39,7 @@ DECLARE_ALIGNED(16, const int, coef_bands_x_8x8[64]) = {
   7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
 };
 
-DECLARE_ALIGNED(16, const int, coef_bands_x_16x16[256]) = {
+DECLARE_ALIGNED(16, static const int, coef_bands_x_16x16[256]) = {
   0 * OCB_X, 1 * OCB_X, 2 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 4 * OCB_X, 5 * OCB_X, 5 * OCB_X, 3 * OCB_X, 6 * OCB_X, 3 * OCB_X, 5 * OCB_X, 4 * OCB_X, 6 * OCB_X, 6 * OCB_X,
   6 * OCB_X, 5 * OCB_X, 5 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X,
   6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 6 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X, 7 * OCB_X,
@@ -113,11 +113,11 @@ void vp9_reset_mb_tokens_context(MACROBLOCKD *xd) {
   }
 }
 
-DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]);
+DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]);
 
 // #define PREV_CONTEXT_INC(val) (2+((val)>2))
-// #define PREV_CONTEXT_INC(val) (vp8_prev_token_class[(val)])
-#define PREV_CONTEXT_INC(val) (vp8_prev_token_class[(val)>10?10:(val)])
+// #define PREV_CONTEXT_INC(val) (vp9_prev_token_class[(val)])
+#define PREV_CONTEXT_INC(val) (vp9_prev_token_class[(val)>10?10:(val)])
 
 static int get_token(int v) {
   if (v < 0) v = -v;
@@ -145,15 +145,15 @@ void static count_tokens_adaptive_scan(const MACROBLOCKD *xd, INT16 *qcoeff_ptr,
 
   switch(tx_type) {
     case ADST_DCT :
-      scan = vp8_row_scan;
+      scan = vp9_row_scan;
       break;
 
     case DCT_ADST :
-      scan = vp8_col_scan;
+      scan = vp9_col_scan;
       break;
 
     default :
-      scan = vp8_default_zig_zag1d;
+      scan = vp9_default_zig_zag1d;
       break;
   }
 
@@ -161,17 +161,17 @@ void static count_tokens_adaptive_scan(const MACROBLOCKD *xd, INT16 *qcoeff_ptr,
   for (c = !type; c < eob; ++c) {
     int rc = scan[c];
     int v = qcoeff_ptr[rc];
-    band = vp8_coef_bands[c];
+    band = vp9_coef_bands[c];
     token = get_token(v);
     if (tx_type != DCT_DCT)
       fc->hybrid_coef_counts[type][band][pt][token]++;
     else
       fc->coef_counts[type][band][pt][token]++;
-    pt = vp8_prev_token_class[token];
+    pt = vp9_prev_token_class[token];
   }
 
   if (eob < seg_eob) {
-    band = vp8_coef_bands[c];
+    band = vp9_coef_bands[c];
     if (tx_type != DCT_DCT)
       fc->hybrid_coef_counts[type][band][pt][DCT_EOB_TOKEN]++;
     else
@@ -185,15 +185,15 @@ void static count_tokens(INT16 *qcoeff_ptr, int block, PLANE_TYPE type,
   int c, pt, token, band;
   VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
   for (c = !type; c < eob; ++c) {
-    int rc = vp8_default_zig_zag1d[c];
+    int rc = vp9_default_zig_zag1d[c];
     int v = qcoeff_ptr[rc];
-    band = vp8_coef_bands[c];
+    band = vp9_coef_bands[c];
     token = get_token(v);
     fc->coef_counts[type][band][pt][token]++;
-    pt = vp8_prev_token_class[token];
+    pt = vp9_prev_token_class[token];
   }
   if (eob < seg_eob) {
-    band = vp8_coef_bands[c];
+    band = vp9_coef_bands[c];
     fc->coef_counts[type][band][pt][DCT_EOB_TOKEN]++;
   }
 }
@@ -205,18 +205,18 @@ void static count_tokens_8x8(INT16 *qcoeff_ptr, int block, PLANE_TYPE type,
   int c, pt, token, band;
   VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
   for (c = !type; c < eob; ++c) {
-    int rc = (type == 1 ? vp8_default_zig_zag1d[c] : vp8_default_zig_zag1d_8x8[c]);
+    int rc = (type == 1 ? vp9_default_zig_zag1d[c] : vp9_default_zig_zag1d_8x8[c]);
     int v = qcoeff_ptr[rc];
-    band = (type == 1 ? vp8_coef_bands[c] : vp8_coef_bands_8x8[c]);
+    band = (type == 1 ? vp9_coef_bands[c] : vp9_coef_bands_8x8[c]);
     token = get_token(v);
     if (tx_type != DCT_DCT)
       fc->hybrid_coef_counts_8x8[type][band][pt][token]++;
     else
       fc->coef_counts_8x8[type][band][pt][token]++;
-    pt = vp8_prev_token_class[token];
+    pt = vp9_prev_token_class[token];
   }
   if (eob < seg_eob) {
-    band = (type == 1 ? vp8_coef_bands[c] : vp8_coef_bands_8x8[c]);
+    band = (type == 1 ? vp9_coef_bands[c] : vp9_coef_bands_8x8[c]);
     if (tx_type != DCT_DCT)
       fc->hybrid_coef_counts_8x8[type][band][pt][DCT_EOB_TOKEN]++;
     else
@@ -231,18 +231,18 @@ void static count_tokens_16x16(INT16 *qcoeff_ptr, int block, PLANE_TYPE type,
   int c, pt, token;
   VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
   for (c = !type; c < eob; ++c) {
-    int rc = vp8_default_zig_zag1d_16x16[c];
+    int rc = vp9_default_zig_zag1d_16x16[c];
     int v = qcoeff_ptr[rc];
-    int band = vp8_coef_bands_16x16[c];
+    int band = vp9_coef_bands_16x16[c];
     token = get_token(v);
     if (tx_type != DCT_DCT)
       fc->hybrid_coef_counts_16x16[type][band][pt][token]++;
     else
       fc->coef_counts_16x16[type][band][pt][token]++;
-    pt = vp8_prev_token_class[token];
+    pt = vp9_prev_token_class[token];
   }
   if (eob < seg_eob) {
-    int band = vp8_coef_bands_16x16[c];
+    int band = vp9_coef_bands_16x16[c];
     if (tx_type != DCT_DCT)
       fc->hybrid_coef_counts_16x16[type][band][pt][DCT_EOB_TOKEN]++;
     else
@@ -436,7 +436,7 @@ int vp9_decode_mb_tokens_16x16(VP8D_COMP *pbi, MACROBLOCKD *xd,
 
   // Luma block
   {
-    const int* const scan = vp8_default_zig_zag1d_16x16;
+    const int* const scan = vp9_default_zig_zag1d_16x16;
     c = decode_coefs(pbi, xd, bc, A, L, type,
                      tx_type,
                      seg_eob, qcoeff_ptr,
@@ -457,9 +457,9 @@ int vp9_decode_mb_tokens_16x16(VP8D_COMP *pbi, MACROBLOCKD *xd,
   else
     seg_eob = 64;
   for (i = 16; i < 24; i += 4) {
-    ENTROPY_CONTEXT* const a = A + vp8_block2above_8x8[i];
-    ENTROPY_CONTEXT* const l = L + vp8_block2left_8x8[i];
-    const int* const scan = vp8_default_zig_zag1d_8x8;
+    ENTROPY_CONTEXT* const a = A + vp9_block2above_8x8[i];
+    ENTROPY_CONTEXT* const l = L + vp9_block2left_8x8[i];
+    const int* const scan = vp9_default_zig_zag1d_8x8;
 
     c = decode_coefs(pbi, xd, bc, a, l, type,
                      tx_type,
@@ -495,9 +495,9 @@ int vp9_decode_mb_tokens_8x8(VP8D_COMP *pbi, MACROBLOCKD *xd,
   if (xd->mode_info_context->mbmi.mode != B_PRED &&
       xd->mode_info_context->mbmi.mode != SPLITMV &&
       xd->mode_info_context->mbmi.mode != I8X8_PRED) {
-    ENTROPY_CONTEXT *const a = A + vp8_block2above_8x8[24];
-    ENTROPY_CONTEXT *const l = L + vp8_block2left_8x8[24];
-    const int *const scan = vp8_default_zig_zag1d;
+    ENTROPY_CONTEXT *const a = A + vp9_block2above_8x8[24];
+    ENTROPY_CONTEXT *const l = L + vp9_block2left_8x8[24];
+    const int *const scan = vp9_default_zig_zag1d;
     type = PLANE_TYPE_Y2;
 
     if (seg_active)
@@ -522,9 +522,9 @@ int vp9_decode_mb_tokens_8x8(VP8D_COMP *pbi, MACROBLOCKD *xd,
     seg_eob = 64;
 
   for (i = 0; i < bufthred ; i += 4) {
-    ENTROPY_CONTEXT *const a = A + vp8_block2above_8x8[i];
-    ENTROPY_CONTEXT *const l = L + vp8_block2left_8x8[i];
-    const int *const scan = vp8_default_zig_zag1d_8x8;
+    ENTROPY_CONTEXT *const a = A + vp9_block2above_8x8[i];
+    ENTROPY_CONTEXT *const l = L + vp9_block2left_8x8[i];
+    const int *const scan = vp9_default_zig_zag1d_8x8;
     tx_type = DCT_DCT;
 
     if (i == 16)
@@ -552,9 +552,9 @@ int vp9_decode_mb_tokens_8x8(VP8D_COMP *pbi, MACROBLOCKD *xd,
 
     // use 4x4 transform for U, V components in I8X8 prediction mode
     for (i = 16; i < 24; i++) {
-      ENTROPY_CONTEXT *const a = A + vp8_block2above[i];
-      ENTROPY_CONTEXT *const l = L + vp8_block2left[i];
-      const int *scan = vp8_default_zig_zag1d;
+      ENTROPY_CONTEXT *const a = A + vp9_block2above[i];
+      ENTROPY_CONTEXT *const l = L + vp9_block2left[i];
+      const int *scan = vp9_default_zig_zag1d;
 
       c = decode_coefs(pbi, xd, bc, a, l, type,
                        tx_type,
@@ -577,7 +577,7 @@ int vp9_decode_mb_tokens(VP8D_COMP *dx, MACROBLOCKD *xd,
   ENTROPY_CONTEXT *const L = (ENTROPY_CONTEXT *)xd->left_context;
 
   char *const eobs = xd->eobs;
-  const int *scan = vp8_default_zig_zag1d;
+  const int *scan = vp9_default_zig_zag1d;
   PLANE_TYPE type;
   int c, i, eobtotal = 0, seg_eob = 16;
   INT16 *qcoeff_ptr = &xd->qcoeff[0];
@@ -589,8 +589,8 @@ int vp9_decode_mb_tokens(VP8D_COMP *dx, MACROBLOCKD *xd,
   if (xd->mode_info_context->mbmi.mode != B_PRED &&
       xd->mode_info_context->mbmi.mode != I8X8_PRED &&
       xd->mode_info_context->mbmi.mode != SPLITMV) {
-    ENTROPY_CONTEXT *const a = A + vp8_block2above[24];
-    ENTROPY_CONTEXT *const l = L + vp8_block2left[24];
+    ENTROPY_CONTEXT *const a = A + vp9_block2above[24];
+    ENTROPY_CONTEXT *const l = L + vp9_block2left[24];
     type = PLANE_TYPE_Y2;
 
     c = decode_coefs(dx, xd, bc, a, l, type,
@@ -606,8 +606,8 @@ int vp9_decode_mb_tokens(VP8D_COMP *dx, MACROBLOCKD *xd,
   }
 
   for (i = 0; i < 24; ++i) {
-    ENTROPY_CONTEXT *const a = A + vp8_block2above[i];
-    ENTROPY_CONTEXT *const l = L + vp8_block2left[i];
+    ENTROPY_CONTEXT *const a = A + vp9_block2above[i];
+    ENTROPY_CONTEXT *const l = L + vp9_block2left[i];
     TX_TYPE tx_type = DCT_DCT;
     if (i == 16)
       type = PLANE_TYPE_UV;
@@ -615,15 +615,15 @@ int vp9_decode_mb_tokens(VP8D_COMP *dx, MACROBLOCKD *xd,
     tx_type = get_tx_type(xd, &xd->block[i]);
     switch(tx_type) {
       case ADST_DCT :
-        scan = vp8_row_scan;
+        scan = vp9_row_scan;
         break;
 
       case DCT_ADST :
-        scan = vp8_col_scan;
+        scan = vp9_col_scan;
         break;
 
       default :
-        scan = vp8_default_zig_zag1d;
+        scan = vp9_default_zig_zag1d;
         break;
     }
 
diff --git a/vp8/decoder/onyxd_int.h b/vp8/decoder/onyxd_int.h
index 6d542a327405bc81dc5b1079bb207a8c7756e654..437c1926e4f382c877b97b7519a5b242b1b14ef8 100644
--- a/vp8/decoder/onyxd_int.h
+++ b/vp8/decoder/onyxd_int.h
@@ -36,7 +36,7 @@ typedef struct {
   int const *scan;
   int const *scan_8x8;
   UINT8 const *ptr_block2leftabove;
-  vp8_tree_index const *vp8_coef_tree_ptr;
+  vp8_tree_index const *vp9_coef_tree_ptr;
   unsigned char *norm_ptr;
   UINT8 *ptr_coef_bands_x;
   UINT8 *ptr_coef_bands_x_8x8;
diff --git a/vp8/encoder/asm_enc_offsets.c b/vp8/encoder/asm_enc_offsets.c
index 8e74901b32550c605d6be4d565c6df9bd4b77b49..9749f05b4aed3147a9c3a4afe6ee189a0469f4d9 100644
--- a/vp8/encoder/asm_enc_offsets.c
+++ b/vp8/encoder/asm_enc_offsets.c
@@ -20,35 +20,35 @@
 BEGIN
 
 /* regular quantize */
-DEFINE(vp8_block_coeff,                         offsetof(BLOCK, coeff));
-DEFINE(vp8_block_zbin,                          offsetof(BLOCK, zbin));
-DEFINE(vp8_block_round,                         offsetof(BLOCK, round));
-DEFINE(vp8_block_quant,                         offsetof(BLOCK, quant));
-DEFINE(vp8_block_quant_fast,                    offsetof(BLOCK, quant_fast));
-DEFINE(vp8_block_zbin_extra,                    offsetof(BLOCK, zbin_extra));
-DEFINE(vp8_block_zrun_zbin_boost,               offsetof(BLOCK, zrun_zbin_boost));
-DEFINE(vp8_block_quant_shift,                   offsetof(BLOCK, quant_shift));
-
-DEFINE(vp8_blockd_qcoeff,                       offsetof(BLOCKD, qcoeff));
-DEFINE(vp8_blockd_dequant,                      offsetof(BLOCKD, dequant));
-DEFINE(vp8_blockd_dqcoeff,                      offsetof(BLOCKD, dqcoeff));
-DEFINE(vp8_blockd_eob,                          offsetof(BLOCKD, eob));
+DEFINE(vp9_block_coeff,                         offsetof(BLOCK, coeff));
+DEFINE(vp9_block_zbin,                          offsetof(BLOCK, zbin));
+DEFINE(vp9_block_round,                         offsetof(BLOCK, round));
+DEFINE(vp9_block_quant,                         offsetof(BLOCK, quant));
+DEFINE(vp9_block_quant_fast,                    offsetof(BLOCK, quant_fast));
+DEFINE(vp9_block_zbin_extra,                    offsetof(BLOCK, zbin_extra));
+DEFINE(vp9_block_zrun_zbin_boost,               offsetof(BLOCK, zrun_zbin_boost));
+DEFINE(vp9_block_quant_shift,                   offsetof(BLOCK, quant_shift));
+
+DEFINE(vp9_blockd_qcoeff,                       offsetof(BLOCKD, qcoeff));
+DEFINE(vp9_blockd_dequant,                      offsetof(BLOCKD, dequant));
+DEFINE(vp9_blockd_dqcoeff,                      offsetof(BLOCKD, dqcoeff));
+DEFINE(vp9_blockd_eob,                          offsetof(BLOCKD, eob));
 
 /* subtract */
-DEFINE(vp8_block_base_src,                      offsetof(BLOCK, base_src));
-DEFINE(vp8_block_src,                           offsetof(BLOCK, src));
-DEFINE(vp8_block_src_diff,                      offsetof(BLOCK, src_diff));
-DEFINE(vp8_block_src_stride,                    offsetof(BLOCK, src_stride));
+DEFINE(vp9_block_base_src,                      offsetof(BLOCK, base_src));
+DEFINE(vp9_block_src,                           offsetof(BLOCK, src));
+DEFINE(vp9_block_src_diff,                      offsetof(BLOCK, src_diff));
+DEFINE(vp9_block_src_stride,                    offsetof(BLOCK, src_stride));
 
-DEFINE(vp8_blockd_predictor,                    offsetof(BLOCKD, predictor));
+DEFINE(vp9_blockd_predictor,                    offsetof(BLOCKD, predictor));
 
 /* pack tokens */
-DEFINE(vp8_writer_lowvalue,                     offsetof(vp8_writer, lowvalue));
-DEFINE(vp8_writer_range,                        offsetof(vp8_writer, range));
-DEFINE(vp8_writer_value,                        offsetof(vp8_writer, value));
-DEFINE(vp8_writer_count,                        offsetof(vp8_writer, count));
-DEFINE(vp8_writer_pos,                          offsetof(vp8_writer, pos));
-DEFINE(vp8_writer_buffer,                       offsetof(vp8_writer, buffer));
+DEFINE(vp9_writer_lowvalue,                     offsetof(vp8_writer, lowvalue));
+DEFINE(vp9_writer_range,                        offsetof(vp8_writer, range));
+DEFINE(vp9_writer_value,                        offsetof(vp8_writer, value));
+DEFINE(vp9_writer_count,                        offsetof(vp8_writer, count));
+DEFINE(vp9_writer_pos,                          offsetof(vp8_writer, pos));
+DEFINE(vp9_writer_buffer,                       offsetof(vp8_writer, buffer));
 
 DEFINE(tokenextra_token,                        offsetof(TOKENEXTRA, Token));
 DEFINE(tokenextra_extra,                        offsetof(TOKENEXTRA, Extra));
@@ -56,24 +56,24 @@ DEFINE(tokenextra_context_tree,                 offsetof(TOKENEXTRA, context_tre
 DEFINE(tokenextra_skip_eob_node,                offsetof(TOKENEXTRA, skip_eob_node));
 DEFINE(TOKENEXTRA_SZ,                           sizeof(TOKENEXTRA));
 
-DEFINE(vp8_extra_bit_struct_sz,                 sizeof(vp8_extra_bit_struct));
+DEFINE(vp9_extra_bit_struct_sz,                 sizeof(vp8_extra_bit_struct));
 
-DEFINE(vp8_token_value,                         offsetof(vp8_token, value));
-DEFINE(vp8_token_len,                           offsetof(vp8_token, Len));
+DEFINE(vp9_token_value,                         offsetof(vp8_token, value));
+DEFINE(vp9_token_len,                           offsetof(vp8_token, Len));
 
-DEFINE(vp8_extra_bit_struct_tree,               offsetof(vp8_extra_bit_struct, tree));
-DEFINE(vp8_extra_bit_struct_prob,               offsetof(vp8_extra_bit_struct, prob));
-DEFINE(vp8_extra_bit_struct_len,                offsetof(vp8_extra_bit_struct, Len));
-DEFINE(vp8_extra_bit_struct_base_val,           offsetof(vp8_extra_bit_struct, base_val));
+DEFINE(vp9_extra_bit_struct_tree,               offsetof(vp8_extra_bit_struct, tree));
+DEFINE(vp9_extra_bit_struct_prob,               offsetof(vp8_extra_bit_struct, prob));
+DEFINE(vp9_extra_bit_struct_len,                offsetof(vp8_extra_bit_struct, Len));
+DEFINE(vp9_extra_bit_struct_base_val,           offsetof(vp8_extra_bit_struct, base_val));
 
-DEFINE(vp8_comp_tplist,                         offsetof(VP8_COMP, tplist));
-DEFINE(vp8_comp_common,                         offsetof(VP8_COMP, common));
+DEFINE(vp9_comp_tplist,                         offsetof(VP8_COMP, tplist));
+DEFINE(vp9_comp_common,                         offsetof(VP8_COMP, common));
 
 DEFINE(tokenlist_start,                         offsetof(TOKENLIST, start));
 DEFINE(tokenlist_stop,                          offsetof(TOKENLIST, stop));
 DEFINE(TOKENLIST_SZ,                            sizeof(TOKENLIST));
 
-DEFINE(vp8_common_mb_rows,                      offsetof(VP8_COMMON, mb_rows));
+DEFINE(vp9_common_mb_rows,                      offsetof(VP8_COMMON, mb_rows));
 
 END
 
@@ -86,5 +86,5 @@ END
 
 #if HAVE_ARMV5TE
 ct_assert(TOKENEXTRA_SZ, sizeof(TOKENEXTRA) == 8)
-ct_assert(vp8_extra_bit_struct_sz, sizeof(vp8_extra_bit_struct) == 16)
+ct_assert(vp9_extra_bit_struct_sz, sizeof(vp8_extra_bit_struct) == 16)
 #endif
diff --git a/vp8/encoder/bitstream.c b/vp8/encoder/bitstream.c
index 5fe47923802dd0b59da854b091fccb3cdefbb8ce..c50c59f2aa569335a346f1f9eec2e9df53763090 100644
--- a/vp8/encoder/bitstream.c
+++ b/vp8/encoder/bitstream.c
@@ -164,7 +164,7 @@ static void update_mbintra_mode_probs(VP8_COMP* const cpi,
     unsigned int bct [VP8_YMODES - 1] [2];
 
     update_mode(
-      bc, VP8_YMODES, vp8_ymode_encodings, vp8_ymode_tree,
+      bc, VP8_YMODES, vp9_ymode_encodings, vp9_ymode_tree,
       Pnew, cm->fc.ymode_prob, bct, (unsigned int *)cpi->ymode_count
     );
   }
@@ -205,7 +205,7 @@ static void update_switchable_interp_probs(VP8_COMP *cpi,
   for (j = 0; j <= VP8_SWITCHABLE_FILTERS; ++j) {
     vp9_tree_probs_from_distribution(
         VP8_SWITCHABLE_FILTERS,
-        vp8_switchable_interp_encodings, vp8_switchable_interp_tree,
+        vp9_switchable_interp_encodings, vp9_switchable_interp_tree,
         pc->fc.switchable_interp_prob[j], branch_ct,
         cpi->switchable_interp_count[j], 256, 1);
     for (i = 0; i < VP8_SWITCHABLE_FILTERS - 1; ++i) {
@@ -325,35 +325,35 @@ static void update_mvcount(VP8_COMP *cpi, MACROBLOCK *x,
 }
 
 static void write_ymode(vp8_writer *bc, int m, const vp8_prob *p) {
-  vp8_write_token(bc, vp8_ymode_tree, p, vp8_ymode_encodings + m);
+  vp8_write_token(bc, vp9_ymode_tree, p, vp9_ymode_encodings + m);
 }
 
 static void kfwrite_ymode(vp8_writer *bc, int m, const vp8_prob *p) {
-  vp8_write_token(bc, vp8_kf_ymode_tree, p, vp8_kf_ymode_encodings + m);
+  vp8_write_token(bc, vp9_kf_ymode_tree, p, vp9_kf_ymode_encodings + m);
 }
 
 #if CONFIG_SUPERBLOCKS
 static void sb_kfwrite_ymode(vp8_writer *bc, int m, const vp8_prob *p) {
-  vp8_write_token(bc, vp8_uv_mode_tree, p, vp8_sb_kf_ymode_encodings + m);
+  vp8_write_token(bc, vp9_uv_mode_tree, p, vp9_sb_kf_ymode_encodings + m);
 }
 #endif
 
 static void write_i8x8_mode(vp8_writer *bc, int m, const vp8_prob *p) {
-  vp8_write_token(bc, vp8_i8x8_mode_tree, p, vp8_i8x8_mode_encodings + m);
+  vp8_write_token(bc, vp9_i8x8_mode_tree, p, vp9_i8x8_mode_encodings + m);
 }
 
 static void write_uv_mode(vp8_writer *bc, int m, const vp8_prob *p) {
-  vp8_write_token(bc, vp8_uv_mode_tree, p, vp8_uv_mode_encodings + m);
+  vp8_write_token(bc, vp9_uv_mode_tree, p, vp9_uv_mode_encodings + m);
 }
 
 
 static void write_bmode(vp8_writer *bc, int m, const vp8_prob *p) {
-  vp8_write_token(bc, vp8_bmode_tree, p, vp8_bmode_encodings + m);
+  vp8_write_token(bc, vp9_bmode_tree, p, vp9_bmode_encodings + m);
 }
 
 static void write_split(vp8_writer *bc, int x, const vp8_prob *p) {
   vp8_write_token(
-    bc, vp8_mbsplit_tree, p, vp8_mbsplit_encodings + x
+    bc, vp9_mbsplit_tree, p, vp9_mbsplit_encodings + x
   );
 }
 
@@ -412,8 +412,8 @@ static void pack_mb_tokens(vp8_writer* const bc,
 
   while (p < stop) {
     const int t = p->Token;
-    vp8_token *const a = vp8_coef_encodings + t;
-    const vp8_extra_bit_struct *const b = vp8_extra_bits + t;
+    vp8_token *const a = vp9_coef_encodings + t;
+    const vp8_extra_bit_struct *const b = vp9_extra_bits + t;
     int i = 0;
     const unsigned char *pp = p->context_tree;
     int v = a->value;
@@ -434,7 +434,7 @@ static void pack_mb_tokens(vp8_writer* const bc,
     do {
       const int bb = (v >> --n) & 1;
       split = 1 + (((range - 1) * pp[i >> 1]) >> 8);
-      i = vp8_coef_tree[i + bb];
+      i = vp9_coef_tree[i + bb];
 
       if (bb) {
         lowvalue += split;
@@ -443,7 +443,7 @@ static void pack_mb_tokens(vp8_writer* const bc,
         range = split;
       }
 
-      shift = vp8_norm[range];
+      shift = vp9_norm[range];
       range <<= shift;
       count += shift;
 
@@ -493,7 +493,7 @@ static void pack_mb_tokens(vp8_writer* const bc,
             range = split;
           }
 
-          shift = vp8_norm[range];
+          shift = vp9_norm[range];
           range <<= shift;
           count += shift;
 
@@ -586,8 +586,8 @@ static void write_mv_ref
 #if CONFIG_DEBUG
   assert(NEARESTMV <= m  &&  m <= SPLITMV);
 #endif
-  vp8_write_token(bc, vp8_mv_ref_tree, p,
-                  vp8_mv_ref_encoding_array - NEARESTMV + m);
+  vp8_write_token(bc, vp9_mv_ref_tree, p,
+                  vp9_mv_ref_encoding_array - NEARESTMV + m);
 }
 
 #if CONFIG_SUPERBLOCKS
@@ -596,8 +596,8 @@ static void write_sb_mv_ref(vp8_writer *bc, MB_PREDICTION_MODE m,
 #if CONFIG_DEBUG
   assert(NEARESTMV <= m  &&  m < SPLITMV);
 #endif
-  vp8_write_token(bc, vp8_sb_mv_ref_tree, p,
-                  vp8_sb_mv_ref_encoding_array - NEARESTMV + m);
+  vp8_write_token(bc, vp9_sb_mv_ref_tree, p,
+                  vp9_sb_mv_ref_encoding_array - NEARESTMV + m);
 }
 #endif
 
@@ -608,8 +608,8 @@ static void write_sub_mv_ref
 #if CONFIG_DEBUG
   assert(LEFT4X4 <= m  &&  m <= NEW4X4);
 #endif
-  vp8_write_token(bc, vp8_sub_mv_ref_tree, p,
-                  vp8_sub_mv_ref_encoding_array - LEFT4X4 + m);
+  vp8_write_token(bc, vp9_sub_mv_ref_tree, p,
+                  vp9_sub_mv_ref_encoding_array - LEFT4X4 + m);
 }
 
 static void write_nmv(vp8_writer *bc, const MV *mv, const int_mv *ref,
@@ -1110,11 +1110,11 @@ static void pack_inter_mode_mvs(VP8_COMP *const cpi, vp8_writer *const bc) {
           if (mode >= NEARESTMV && mode <= SPLITMV)
           {
             if (cpi->common.mcomp_filter_type == SWITCHABLE) {
-              vp8_write_token(bc, vp8_switchable_interp_tree,
+              vp8_write_token(bc, vp9_switchable_interp_tree,
                               vp9_get_pred_probs(&cpi->common, xd,
                                                  PRED_SWITCHABLE_INTERP),
-                              vp8_switchable_interp_encodings +
-                              vp8_switchable_interp_map[mi->interp_filter]);
+                              vp9_switchable_interp_encodings +
+                              vp9_switchable_interp_map[mi->interp_filter]);
             } else {
               assert (mi->interp_filter ==
                       cpi->common.mcomp_filter_type);
@@ -1207,7 +1207,7 @@ static void pack_inter_mode_mvs(VP8_COMP *const cpi, vp8_writer *const bc) {
                   B_PREDICTION_MODE blockmode;
                   int_mv blockmv;
                   const int *const  L =
-                    vp8_mbsplits [mi->partitioning];
+                    vp9_mbsplits [mi->partitioning];
                   int k = -1;  /* first block in subset j */
                   int mv_contz;
                   int_mv leftmv, abovemv;
@@ -1524,7 +1524,7 @@ static void build_coeff_contexts(VP8_COMP *cpi) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           cpi->frame_coef_probs [i][j][k],
           cpi->frame_branch_ct [i][j][k],
           cpi->coef_counts [i][j][k],
@@ -1544,7 +1544,7 @@ static void build_coeff_contexts(VP8_COMP *cpi) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           cpi->frame_hybrid_coef_probs [i][j][k],
           cpi->frame_hybrid_branch_ct [i][j][k],
           cpi->hybrid_coef_counts [i][j][k],
@@ -1570,7 +1570,7 @@ static void build_coeff_contexts(VP8_COMP *cpi) {
           if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
             continue;
           vp9_tree_probs_from_distribution(
-            MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+            MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
             cpi->frame_coef_probs_8x8 [i][j][k],
             cpi->frame_branch_ct_8x8 [i][j][k],
             cpi->coef_counts_8x8 [i][j][k],
@@ -1594,7 +1594,7 @@ static void build_coeff_contexts(VP8_COMP *cpi) {
           if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
             continue;
           vp9_tree_probs_from_distribution(
-            MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+            MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
             cpi->frame_hybrid_coef_probs_8x8 [i][j][k],
             cpi->frame_hybrid_branch_ct_8x8 [i][j][k],
             cpi->hybrid_coef_counts_8x8 [i][j][k],
@@ -1617,7 +1617,7 @@ static void build_coeff_contexts(VP8_COMP *cpi) {
           if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
             continue;
           vp9_tree_probs_from_distribution(
-            MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+            MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
             cpi->frame_coef_probs_16x16[i][j][k],
             cpi->frame_branch_ct_16x16[i][j][k],
             cpi->coef_counts_16x16[i][j][k], 256, 1);
@@ -1636,7 +1636,7 @@ static void build_coeff_contexts(VP8_COMP *cpi) {
         if (k >= 3 && ((i == 0 && j == 1) || (i > 0 && j == 0)))
           continue;
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           cpi->frame_hybrid_coef_probs_16x16[i][j][k],
           cpi->frame_hybrid_branch_ct_16x16[i][j][k],
           cpi->hybrid_coef_counts_16x16[i][j][k], 256, 1);
@@ -1820,7 +1820,7 @@ static void decide_kf_ymode_entropy(VP8_COMP *cpi) {
   int i, j;
 
   for (i = 0; i < 8; i++) {
-    vp9_cost_tokens(mode_cost, cpi->common.kf_ymode_prob[i], vp8_kf_ymode_tree);
+    vp9_cost_tokens(mode_cost, cpi->common.kf_ymode_prob[i], vp9_kf_ymode_tree);
     cost = 0;
     for (j = 0; j < VP8_YMODES; j++) {
       cost += mode_cost[j] * cpi->ymode_count[j];
@@ -2163,7 +2163,7 @@ void vp9_pack_bitstream(VP8_COMP *cpi, unsigned char *dest,
         /* Only one filter is used. So set the filter at frame level */
         for (i = 0; i < VP8_SWITCHABLE_FILTERS; ++i) {
           if (count[i]) {
-            pc->mcomp_filter_type = vp8_switchable_interp[i];
+            pc->mcomp_filter_type = vp9_switchable_interp[i];
             break;
           }
         }
diff --git a/vp8/encoder/bitstream.h b/vp8/encoder/bitstream.h
index 5156bf4e7ecd1c249705f11cd4aa6cd79268f769..87f0aa80b6bed8046f6c6eca3d029a91e1c0e257 100644
--- a/vp8/encoder/bitstream.h
+++ b/vp8/encoder/bitstream.h
@@ -12,16 +12,6 @@
 #ifndef __INC_BITSTREAM_H
 #define __INC_BITSTREAM_H
 
-#if HAVE_ARMV5TE
-void vp8cx_pack_tokens_armv5(vp8_writer *w, const TOKENEXTRA *p, int xcount,
-                             vp8_token *,
-                             vp8_extra_bit_struct *,
-                             const vp8_tree_index *);
-# define pack_tokens(a,b,c)                  \
-  vp8cx_pack_tokens_armv5(a,b,c,vp8_coef_encodings,vp8_extra_bits,vp8_coef_tree)
-#else
-# define pack_tokens(a,b,c)                  pack_tokens_c(a,b,c)
-#endif
-#endif
-
 void vp9_update_skip_probs(VP8_COMP *cpi);
+
+#endif
diff --git a/vp8/encoder/boolhuff.c b/vp8/encoder/boolhuff.c
index ef03d8b143f7b70200ee628abe8087a95bff9563..1f885d8c5f7e43042272b8466d19eb547e014d16 100644
--- a/vp8/encoder/boolhuff.c
+++ b/vp8/encoder/boolhuff.c
@@ -20,7 +20,7 @@ unsigned __int64 Sectionbits[500];
 unsigned int active_section = 0;
 #endif
 
-const unsigned int vp8_prob_cost[256] = {
+const unsigned int vp9_prob_cost[256] = {
   2047, 2047, 1791, 1641, 1535, 1452, 1385, 1328, 1279, 1235, 1196, 1161, 1129, 1099, 1072, 1046,
   1023, 1000,  979,  959,  940,  922,  905,  889,  873,  858,  843,  829,  816,  803,  790,  778,
   767,  755,  744,  733,  723,  713,  703,  693,  684,  675,  666,  657,  649,  641,  633,  625,
diff --git a/vp8/encoder/boolhuff.h b/vp8/encoder/boolhuff.h
index 8516aa219d56953b89f2ca5aa6480a6e516308f3..3fbe41ecc03e3c4d13dc5fbb13fa275db11c206c 100644
--- a/vp8/encoder/boolhuff.h
+++ b/vp8/encoder/boolhuff.h
@@ -38,7 +38,7 @@ extern void vp9_start_encode(BOOL_CODER *bc, unsigned char *buffer);
 
 extern void vp9_encode_value(BOOL_CODER *br, int data, int bits);
 extern void vp9_stop_encode(BOOL_CODER *bc);
-extern const unsigned int vp8_prob_cost[256];
+extern const unsigned int vp9_prob_cost[256];
 
 extern void vp9_encode_uniform(BOOL_CODER *bc, int v, int n);
 extern void vp9_encode_term_subexp(BOOL_CODER *bc, int v, int k, int n);
@@ -46,7 +46,7 @@ extern int vp9_count_uniform(int v, int n);
 extern int vp9_count_term_subexp(int v, int k, int n);
 extern int vp9_recenter_nonneg(int v, int m);
 
-DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]);
+DECLARE_ALIGNED(16, extern const unsigned char, vp9_norm[256]);
 
 
 static void vp8_encode_bool(BOOL_CODER *br, int bit, int probability) {
@@ -60,9 +60,9 @@ static void vp8_encode_bool(BOOL_CODER *br, int bit, int probability) {
 #if defined(SECTIONBITS_OUTPUT)
 
   if (bit)
-    Sectionbits[active_section] += vp8_prob_cost[255 - probability];
+    Sectionbits[active_section] += vp9_prob_cost[255 - probability];
   else
-    Sectionbits[active_section] += vp8_prob_cost[probability];
+    Sectionbits[active_section] += vp9_prob_cost[probability];
 
 #endif
 #endif
@@ -76,7 +76,7 @@ static void vp8_encode_bool(BOOL_CODER *br, int bit, int probability) {
     range = br->range - split;
   }
 
-  shift = vp8_norm[range];
+  shift = vp9_norm[range];
 
   range <<= shift;
   count += shift;
diff --git a/vp8/encoder/dct.c b/vp8/encoder/dct.c
index b56b6113c0a84554cedf121008a32b0973b78c0f..18d782c5254d6818bfec5c0bb22694112498f43f 100644
--- a/vp8/encoder/dct.c
+++ b/vp8/encoder/dct.c
@@ -19,21 +19,21 @@
 
 // TODO: these transforms can be converted into integer forms to reduce
 //       the complexity
-float dct_4[16] = {
+static const float dct_4[16] = {
   0.500000000000000,  0.500000000000000,  0.500000000000000,  0.500000000000000,
   0.653281482438188,  0.270598050073099, -0.270598050073099, -0.653281482438188,
   0.500000000000000, -0.500000000000000, -0.500000000000000,  0.500000000000000,
   0.270598050073099, -0.653281482438188,  0.653281482438188, -0.270598050073099
 };
 
-float adst_4[16] = {
+static const float adst_4[16] = {
   0.228013428883779,  0.428525073124360,  0.577350269189626,  0.656538502008139,
   0.577350269189626,  0.577350269189626,  0.000000000000000, -0.577350269189626,
   0.656538502008139, -0.228013428883779, -0.577350269189626,  0.428525073124359,
   0.428525073124360, -0.656538502008139,  0.577350269189626, -0.228013428883779
 };
 
-float dct_8[64] = {
+static const float dct_8[64] = {
   0.353553390593274,   0.353553390593274,   0.353553390593274,   0.353553390593274,
   0.353553390593274,   0.353553390593274,   0.353553390593274,   0.353553390593274,
   0.490392640201615,   0.415734806151273,   0.277785116509801,   0.097545161008064,
@@ -52,7 +52,7 @@ float dct_8[64] = {
   0.490392640201615,  -0.415734806151273,   0.277785116509801,  -0.097545161008064
 };
 
-float adst_8[64] = {
+static const float adst_8[64] = {
   0.089131608307533,   0.175227946595735,   0.255357107325376,   0.326790388032145,
   0.387095214016349,   0.434217976756762,   0.466553967085785,   0.483002021635509,
   0.255357107325376,   0.434217976756762,   0.483002021635509,   0.387095214016349,
@@ -72,21 +72,21 @@ float adst_8[64] = {
 };
 
 /* Converted the transforms to integers. */
-const int16_t dct_i4[16] = {
+static const int16_t dct_i4[16] = {
   16384,  16384,  16384,  16384,
   21407,   8867,  -8867, -21407,
   16384, -16384, -16384,  16384,
    8867, -21407,  21407,  -8867
 };
 
-const int16_t adst_i4[16] = {
+static const int16_t adst_i4[16] = {
    7472,  14042,  18919,  21513,
   18919,  18919,      0, -18919,
   21513,  -7472, -18919,  14042,
   14042, -21513,  18919,  -7472
 };
 
-const int16_t dct_i8[64] = {
+static const int16_t dct_i8[64] = {
    11585,  11585,  11585,  11585,
    11585,  11585,  11585,  11585,
    16069,  13623,   9102,   3196,
@@ -105,7 +105,7 @@ const int16_t dct_i8[64] = {
    16069, -13623,   9102,  -3196
 };
 
-const int16_t adst_i8[64] = {
+static const int16_t adst_i8[64] = {
     2921,   5742,   8368,  10708,
    12684,  14228,  15288,  15827,
     8368,  14228,  15827,  12684,
@@ -124,7 +124,7 @@ const int16_t adst_i8[64] = {
    15288, -12684,   8368,  -2921
 };
 
-float dct_16[256] = {
+static const float dct_16[256] = {
   0.250000,  0.250000,  0.250000,  0.250000,  0.250000,  0.250000,  0.250000,  0.250000,
   0.250000,  0.250000,  0.250000,  0.250000,  0.250000,  0.250000,  0.250000,  0.250000,
   0.351851,  0.338330,  0.311806,  0.273300,  0.224292,  0.166664,  0.102631,  0.034654,
@@ -159,7 +159,7 @@ float dct_16[256] = {
   0.351851, -0.338330,  0.311806, -0.273300,  0.224292, -0.166664,  0.102631, -0.034654
 };
 
-float adst_16[256] = {
+static const float adst_16[256] = {
   0.033094,  0.065889,  0.098087,  0.129396,  0.159534,  0.188227,  0.215215,  0.240255,
   0.263118,  0.283599,  0.301511,  0.316693,  0.329007,  0.338341,  0.344612,  0.347761,
   0.098087,  0.188227,  0.263118,  0.316693,  0.344612,  0.344612,  0.316693,  0.263118,
@@ -195,7 +195,7 @@ float adst_16[256] = {
 };
 
 /* Converted the transforms to integers. */
-const int16_t dct_i16[256] = {
+static const int16_t dct_i16[256] = {
     8192,   8192,   8192,   8192,   8192,   8192,   8192,   8192,
     8192,   8192,   8192,   8192,   8192,   8192,   8192,   8192,
    11529,  11086,  10217,   8955,   7350,   5461,   3363,   1136,
@@ -230,7 +230,7 @@ const int16_t dct_i16[256] = {
    11529, -11086,  10217,  -8955,   7350,  -5461,   3363,  -1136
 };
 
-const int16_t adst_i16[256] = {
+static const int16_t adst_i16[256] = {
     1084,   2159,   3214,   4240,   5228,   6168,   7052,   7873,
     8622,   9293,   9880,  10377,  10781,  11087,  11292,  11395,
     3214,   6168,   8622,  10377,  11292,  11292,  10377,   8622,
@@ -542,7 +542,7 @@ void vp9_fht_float_c(const int16_t *input, int pitch, int16_t *output,
     float *pfb = &bufb[0];
 
     // pointers to vertical and horizontal transforms
-    float *ptv, *pth;
+    const float *ptv, *pth;
 
     assert(tx_type != DCT_DCT);
     // load and convert residual array into floating-point
diff --git a/vp8/encoder/encodeintra.c b/vp8/encoder/encodeintra.c
index 3cd45053335a24191176906f2b9f5baf4a7372dc..60cf60256fce015d76ad7402a8b3487b4d923de7 100644
--- a/vp8/encoder/encodeintra.c
+++ b/vp8/encoder/encodeintra.c
@@ -238,7 +238,7 @@ void vp9_encode_intra8x8mby(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
   int i, ib;
 
   for (i = 0; i < 4; i++) {
-    ib = vp8_i8x8_block[i];
+    ib = vp9_i8x8_block[i];
     vp9_encode_intra8x8(rtcd, x, ib);
   }
 }
@@ -273,7 +273,7 @@ void vp9_encode_intra8x8mbuv(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x) {
   BLOCKD *b;
 
   for (i = 0; i < 4; i++) {
-    ib = vp8_i8x8_block[i];
+    ib = vp9_i8x8_block[i];
     b = &x->e_mbd.block[ib];
     mode = b->bmi.as_mode.first;
 #if CONFIG_COMP_INTRA_PRED
diff --git a/vp8/encoder/encodemb.c b/vp8/encoder/encodemb.c
index a87fd7c2ec71186b47f910d7713b3fc9ecce0374..456468dca8a94f8f3fd36d6d44368dd048efd70f 100644
--- a/vp8/encoder/encodemb.c
+++ b/vp8/encoder/encodemb.c
@@ -303,8 +303,8 @@ static void optimize_b(MACROBLOCK *mb, int i, PLANE_TYPE type,
   switch (tx_size) {
     default:
     case TX_4X4:
-      scan = vp8_default_zig_zag1d;
-      bands = vp8_coef_bands;
+      scan = vp9_default_zig_zag1d;
+      bands = vp9_coef_bands;
       default_eob = 16;
       // TODO: this isn't called (for intra4x4 modes), but will be left in
       // since it could be used later
@@ -313,25 +313,25 @@ static void optimize_b(MACROBLOCK *mb, int i, PLANE_TYPE type,
         if (tx_type != DCT_DCT) {
           switch (tx_type) {
             case ADST_DCT:
-              scan = vp8_row_scan;
+              scan = vp9_row_scan;
               break;
 
             case DCT_ADST:
-              scan = vp8_col_scan;
+              scan = vp9_col_scan;
               break;
 
             default:
-              scan = vp8_default_zig_zag1d;
+              scan = vp9_default_zig_zag1d;
               break;
           }
         } else {
-          scan = vp8_default_zig_zag1d;
+          scan = vp9_default_zig_zag1d;
         }
       }
       break;
     case TX_8X8:
-      scan = vp8_default_zig_zag1d_8x8;
-      bands = vp8_coef_bands_8x8;
+      scan = vp9_default_zig_zag1d_8x8;
+      bands = vp9_coef_bands_8x8;
       default_eob = 64;
       break;
   }
@@ -372,11 +372,11 @@ static void optimize_b(MACROBLOCK *mb, int i, PLANE_TYPE type,
       /* Evaluate the first possibility for this state. */
       rate0 = tokens[next][0].rate;
       rate1 = tokens[next][1].rate;
-      t0 = (vp8_dct_value_tokens_ptr + x)->Token;
+      t0 = (vp9_dct_value_tokens_ptr + x)->Token;
       /* Consider both possible successor states. */
       if (next < default_eob) {
         band = bands[i + 1];
-        pt = vp8_prev_token_class[t0];
+        pt = vp9_prev_token_class[t0];
         rate0 +=
           mb->token_costs[tx_size][type][band][pt][tokens[next][0].token];
         rate1 +=
@@ -385,7 +385,7 @@ static void optimize_b(MACROBLOCK *mb, int i, PLANE_TYPE type,
       UPDATE_RD_COST();
       /* And pick the best. */
       best = rd_cost1 < rd_cost0;
-      base_bits = *(vp8_dct_value_cost_ptr + x);
+      base_bits = *(vp9_dct_value_cost_ptr + x);
       dx = dqcoeff_ptr[rc] - coeff_ptr[rc];
       d2 = dx * dx;
       tokens[i][0].rate = base_bits + (best ? rate1 : rate0);
@@ -419,17 +419,17 @@ static void optimize_b(MACROBLOCK *mb, int i, PLANE_TYPE type,
         t1 = tokens[next][1].token == DCT_EOB_TOKEN ?
              DCT_EOB_TOKEN : ZERO_TOKEN;
       } else {
-        t0 = t1 = (vp8_dct_value_tokens_ptr + x)->Token;
+        t0 = t1 = (vp9_dct_value_tokens_ptr + x)->Token;
       }
       if (next < default_eob) {
         band = bands[i + 1];
         if (t0 != DCT_EOB_TOKEN) {
-          pt = vp8_prev_token_class[t0];
+          pt = vp9_prev_token_class[t0];
           rate0 += mb->token_costs[tx_size][type][band][pt][
               tokens[next][0].token];
         }
         if (t1 != DCT_EOB_TOKEN) {
-          pt = vp8_prev_token_class[t1];
+          pt = vp9_prev_token_class[t1];
           rate1 += mb->token_costs[tx_size][type][band][pt][
               tokens[next][1].token];
         }
@@ -438,7 +438,7 @@ static void optimize_b(MACROBLOCK *mb, int i, PLANE_TYPE type,
       UPDATE_RD_COST();
       /* And pick the best. */
       best = rd_cost1 < rd_cost0;
-      base_bits = *(vp8_dct_value_cost_ptr + x);
+      base_bits = *(vp9_dct_value_cost_ptr + x);
 
       if (shortcut) {
         dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
@@ -524,7 +524,7 @@ static void check_reset_2nd_coeffs(MACROBLOCKD *xd,
     return;
 
   for (i = 0; i < bd->eob; i++) {
-    int coef = bd->dqcoeff[vp8_default_zig_zag1d[i]];
+    int coef = bd->dqcoeff[vp9_default_zig_zag1d[i]];
     sum += (coef >= 0) ? coef : -coef;
     if (sum >= SUM_2ND_COEFF_THRESH)
       return;
@@ -532,7 +532,7 @@ static void check_reset_2nd_coeffs(MACROBLOCKD *xd,
 
   if (sum < SUM_2ND_COEFF_THRESH) {
     for (i = 0; i < bd->eob; i++) {
-      int rc = vp8_default_zig_zag1d[i];
+      int rc = vp9_default_zig_zag1d[i];
       bd->qcoeff[rc] = 0;
       bd->dqcoeff[rc] = 0;
     }
@@ -594,15 +594,15 @@ void vp9_optimize_mby_4x4(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd) {
 
   for (b = 0; b < 16; b++) {
     optimize_b(x, b, type,
-               ta + vp8_block2above[b], tl + vp8_block2left[b], rtcd, TX_4X4);
+               ta + vp9_block2above[b], tl + vp9_block2left[b], rtcd, TX_4X4);
   }
 
   if (has_2nd_order) {
     b = 24;
     optimize_b(x, b, PLANE_TYPE_Y2,
-               ta + vp8_block2above[b], tl + vp8_block2left[b], rtcd, TX_4X4);
+               ta + vp9_block2above[b], tl + vp9_block2left[b], rtcd, TX_4X4);
     check_reset_2nd_coeffs(&x->e_mbd,
-                           ta + vp8_block2above[b], tl + vp8_block2left[b]);
+                           ta + vp9_block2above[b], tl + vp9_block2left[b]);
   }
 }
 
@@ -623,7 +623,7 @@ void vp9_optimize_mbuv_4x4(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd) {
 
   for (b = 16; b < 24; b++) {
     optimize_b(x, b, PLANE_TYPE_UV,
-               ta + vp8_block2above[b], tl + vp8_block2left[b], rtcd, TX_4X4);
+               ta + vp9_block2above[b], tl + vp9_block2left[b], rtcd, TX_4X4);
   }
 }
 
@@ -651,17 +651,17 @@ void vp9_optimize_mby_8x8(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd) {
   type = has_2nd_order ? PLANE_TYPE_Y_NO_DC : PLANE_TYPE_Y_WITH_DC;
   for (b = 0; b < 16; b += 4) {
     optimize_b(x, b, type,
-               ta + vp8_block2above_8x8[b], tl + vp8_block2left_8x8[b],
+               ta + vp9_block2above_8x8[b], tl + vp9_block2left_8x8[b],
                rtcd, TX_8X8);
-    ta[vp8_block2above_8x8[b] + 1] = ta[vp8_block2above_8x8[b]];
-    tl[vp8_block2left_8x8[b] + 1]  = tl[vp8_block2left_8x8[b]];
+    ta[vp9_block2above_8x8[b] + 1] = ta[vp9_block2above_8x8[b]];
+    tl[vp9_block2left_8x8[b] + 1]  = tl[vp9_block2left_8x8[b]];
   }
 
   // 8x8 always have 2nd roder haar block
   if (has_2nd_order) {
     check_reset_8x8_2nd_coeffs(&x->e_mbd,
-                               ta + vp8_block2above_8x8[24],
-                               tl + vp8_block2left_8x8[24]);
+                               ta + vp9_block2above_8x8[24],
+                               tl + vp9_block2left_8x8[24]);
   }
 }
 
@@ -682,10 +682,10 @@ void vp9_optimize_mbuv_8x8(MACROBLOCK *x, const VP8_ENCODER_RTCD *rtcd) {
 
   for (b = 16; b < 24; b += 4) {
     optimize_b(x, b, PLANE_TYPE_UV,
-               ta + vp8_block2above_8x8[b], tl + vp8_block2left_8x8[b],
+               ta + vp9_block2above_8x8[b], tl + vp9_block2left_8x8[b],
                rtcd, TX_8X8);
-    ta[vp8_block2above_8x8[b] + 1] = ta[vp8_block2above_8x8[b]];
-    tl[vp8_block2left_8x8[b] + 1]  = tl[vp8_block2left_8x8[b]];
+    ta[vp9_block2above_8x8[b] + 1] = ta[vp9_block2above_8x8[b]];
+    tl[vp9_block2left_8x8[b] + 1]  = tl[vp9_block2left_8x8[b]];
   }
 }
 
@@ -728,7 +728,7 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
   for (i = eob; i-- > 0;) {
     int base_bits, d2, dx;
 
-    rc = vp8_default_zig_zag1d_16x16[i];
+    rc = vp9_default_zig_zag1d_16x16[i];
     x = qcoeff_ptr[rc];
     /* Only add a trellis state for non-zero coefficients. */
     if (x) {
@@ -738,18 +738,18 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
       /* Evaluate the first possibility for this state. */
       rate0 = tokens[next][0].rate;
       rate1 = tokens[next][1].rate;
-      t0 = (vp8_dct_value_tokens_ptr + x)->Token;
+      t0 = (vp9_dct_value_tokens_ptr + x)->Token;
       /* Consider both possible successor states. */
       if (next < 256) {
-        band = vp8_coef_bands_16x16[i + 1];
-        pt = vp8_prev_token_class[t0];
+        band = vp9_coef_bands_16x16[i + 1];
+        pt = vp9_prev_token_class[t0];
         rate0 += mb->token_costs[TX_16X16][type][band][pt][tokens[next][0].token];
         rate1 += mb->token_costs[TX_16X16][type][band][pt][tokens[next][1].token];
       }
       UPDATE_RD_COST();
       /* And pick the best. */
       best = rd_cost1 < rd_cost0;
-      base_bits = *(vp8_dct_value_cost_ptr + x);
+      base_bits = *(vp9_dct_value_cost_ptr + x);
       dx = dqcoeff_ptr[rc] - coeff_ptr[rc];
       d2 = dx*dx;
       tokens[i][0].rate = base_bits + (best ? rate1 : rate0);
@@ -784,16 +784,16 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
              DCT_EOB_TOKEN : ZERO_TOKEN;
       }
       else
-        t0=t1 = (vp8_dct_value_tokens_ptr + x)->Token;
+        t0=t1 = (vp9_dct_value_tokens_ptr + x)->Token;
       if (next < 256) {
-        band = vp8_coef_bands_16x16[i + 1];
+        band = vp9_coef_bands_16x16[i + 1];
         if (t0 != DCT_EOB_TOKEN) {
-            pt = vp8_prev_token_class[t0];
+            pt = vp9_prev_token_class[t0];
             rate0 += mb->token_costs[TX_16X16][type][band][pt]
                 [tokens[next][0].token];
         }
         if (t1!=DCT_EOB_TOKEN) {
-            pt = vp8_prev_token_class[t1];
+            pt = vp9_prev_token_class[t1];
             rate1 += mb->token_costs[TX_16X16][type][band][pt]
                 [tokens[next][1].token];
         }
@@ -801,7 +801,7 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
       UPDATE_RD_COST();
       /* And pick the best. */
       best = rd_cost1 < rd_cost0;
-      base_bits = *(vp8_dct_value_cost_ptr + x);
+      base_bits = *(vp9_dct_value_cost_ptr + x);
 
       if(shortcut) {
         dx -= (dequant_ptr[rc!=0] + sz) ^ sz;
@@ -820,7 +820,7 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
      *  add a new trellis node, but we do need to update the costs.
      */
     else {
-      band = vp8_coef_bands_16x16[i + 1];
+      band = vp9_coef_bands_16x16[i + 1];
       t0 = tokens[next][0].token;
       t1 = tokens[next][1].token;
       /* Update the cost of each path if we're past the EOB token. */
@@ -837,7 +837,7 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
   }
 
   /* Now pick the best path through the whole trellis. */
-  band = vp8_coef_bands_16x16[i + 1];
+  band = vp9_coef_bands_16x16[i + 1];
   VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);
   rate0 = tokens[next][0].rate;
   rate1 = tokens[next][1].rate;
@@ -855,7 +855,7 @@ static void optimize_b_16x16(MACROBLOCK *mb, int i, PLANE_TYPE type,
     x = tokens[i][best].qc;
     if (x)
       final_eob = i;
-    rc = vp8_default_zig_zag1d_16x16[i];
+    rc = vp9_default_zig_zag1d_16x16[i];
     qcoeff_ptr[rc] = x;
     dqcoeff_ptr[rc] = (x * dequant_ptr[rc!=0]);
 
diff --git a/vp8/encoder/encodemv.c b/vp8/encoder/encodemv.c
index 970e89f57913b7f5159e23589b25dabc9436e3d9..972255459c56f8589f34e3be5e2cb7779c56872e 100644
--- a/vp8/encoder/encodemv.c
+++ b/vp8/encoder/encodemv.c
@@ -38,14 +38,14 @@ static void encode_nmv_component(vp8_writer* const bc,
 
   c = vp9_get_mv_class(z, &o);
 
-  vp8_write_token(bc, vp8_mv_class_tree, mvcomp->classes,
-                  vp8_mv_class_encodings + c);
+  vp8_write_token(bc, vp9_mv_class_tree, mvcomp->classes,
+                  vp9_mv_class_encodings + c);
 
   d = (o >> 3);               /* int mv data */
 
   if (c == MV_CLASS_0) {
-    vp8_write_token(bc, vp8_mv_class0_tree, mvcomp->class0,
-                    vp8_mv_class0_encodings + d);
+    vp8_write_token(bc, vp9_mv_class0_tree, mvcomp->class0,
+                    vp9_mv_class0_encodings + d);
   } else {
     int i, b;
     b = c + CLASS0_BITS - 1;  /* number of bits */
@@ -72,11 +72,11 @@ static void encode_nmv_component_fp(vp8_writer *bc,
 
   /* Code the fractional pel bits */
   if (c == MV_CLASS_0) {
-    vp8_write_token(bc, vp8_mv_fp_tree, mvcomp->class0_fp[d],
-                    vp8_mv_fp_encodings + f);
+    vp8_write_token(bc, vp9_mv_fp_tree, mvcomp->class0_fp[d],
+                    vp9_mv_fp_encodings + f);
   } else {
-    vp8_write_token(bc, vp8_mv_fp_tree, mvcomp->fp,
-                    vp8_mv_fp_encodings + f);
+    vp8_write_token(bc, vp9_mv_fp_tree, mvcomp->fp,
+                    vp9_mv_fp_encodings + f);
   }
   /* Code the high precision bit */
   if (usehp) {
@@ -99,16 +99,16 @@ static void build_nmv_component_cost_table(int *mvcost,
 
   sign_cost[0] = vp8_cost_zero(mvcomp->sign);
   sign_cost[1] = vp8_cost_one(mvcomp->sign);
-  vp9_cost_tokens(class_cost, mvcomp->classes, vp8_mv_class_tree);
-  vp9_cost_tokens(class0_cost, mvcomp->class0, vp8_mv_class0_tree);
+  vp9_cost_tokens(class_cost, mvcomp->classes, vp9_mv_class_tree);
+  vp9_cost_tokens(class0_cost, mvcomp->class0, vp9_mv_class0_tree);
   for (i = 0; i < MV_OFFSET_BITS; ++i) {
     bits_cost[i][0] = vp8_cost_zero(mvcomp->bits[i]);
     bits_cost[i][1] = vp8_cost_one(mvcomp->bits[i]);
   }
 
   for (i = 0; i < CLASS0_SIZE; ++i)
-    vp9_cost_tokens(class0_fp_cost[i], mvcomp->class0_fp[i], vp8_mv_fp_tree);
-  vp9_cost_tokens(fp_cost, mvcomp->fp, vp8_mv_fp_tree);
+    vp9_cost_tokens(class0_fp_cost[i], mvcomp->class0_fp[i], vp9_mv_fp_tree);
+  vp9_cost_tokens(fp_cost, mvcomp->fp, vp9_mv_fp_tree);
 
   if (usehp) {
     class0_hp_cost[0] = vp8_cost_zero(mvcomp->class0_hp);
@@ -511,8 +511,8 @@ void vp9_write_nmvprobs(VP8_COMP* const cpi, int usehp, vp8_writer* const bc) {
 void vp9_encode_nmv(vp8_writer* const bc, const MV* const mv,
                     const MV* const ref, const nmv_context* const mvctx) {
   MV_JOINT_TYPE j = vp9_get_mv_joint(*mv);
-  vp8_write_token(bc, vp8_mv_joint_tree, mvctx->joints,
-                  vp8_mv_joint_encodings + j);
+  vp8_write_token(bc, vp9_mv_joint_tree, mvctx->joints,
+                  vp9_mv_joint_encodings + j);
   if (j == MV_JOINT_HZVNZ || j == MV_JOINT_HNZVNZ) {
     encode_nmv_component(bc, mv->row, ref->col, &mvctx->comps[0]);
   }
@@ -541,7 +541,7 @@ void vp9_build_nmv_cost_table(int *mvjoint,
                               int mvc_flag_v,
                               int mvc_flag_h) {
   vp8_clear_system_state();
-  vp9_cost_tokens(mvjoint, mvctx->joints, vp8_mv_joint_tree);
+  vp9_cost_tokens(mvjoint, mvctx->joints, vp9_mv_joint_tree);
   if (mvc_flag_v)
     build_nmv_component_cost_table(mvcost[0], &mvctx->comps[0], usehp);
   if (mvc_flag_h)
diff --git a/vp8/encoder/modecosts.c b/vp8/encoder/modecosts.c
index 5111a81f7c7f328cf927a47c02b9d44d22f07c6c..523dfc2416856ba751577c334708732eb4f585c4 100644
--- a/vp8/encoder/modecosts.c
+++ b/vp8/encoder/modecosts.c
@@ -17,7 +17,7 @@
 
 void vp9_init_mode_costs(VP8_COMP *c) {
   VP8_COMMON *x = &c->common;
-  const vp8_tree_p T = vp8_bmode_tree;
+  const vp8_tree_p T = vp9_bmode_tree;
   int i, j;
 
   for (i = 0; i < VP8_BINTRAMODES; i++) {
@@ -29,21 +29,21 @@ void vp9_init_mode_costs(VP8_COMP *c) {
 
   vp9_cost_tokens((int *)c->mb.inter_bmode_costs, x->fc.bmode_prob, T);
   vp9_cost_tokens((int *)c->mb.inter_bmode_costs,
-                  x->fc.sub_mv_ref_prob[0], vp8_sub_mv_ref_tree);
+                  x->fc.sub_mv_ref_prob[0], vp9_sub_mv_ref_tree);
 
-  vp9_cost_tokens(c->mb.mbmode_cost[1], x->fc.ymode_prob, vp8_ymode_tree);
+  vp9_cost_tokens(c->mb.mbmode_cost[1], x->fc.ymode_prob, vp9_ymode_tree);
   vp9_cost_tokens(c->mb.mbmode_cost[0],
                   x->kf_ymode_prob[c->common.kf_ymode_probs_index],
-                  vp8_kf_ymode_tree);
+                  vp9_kf_ymode_tree);
   vp9_cost_tokens(c->mb.intra_uv_mode_cost[1],
-                  x->fc.uv_mode_prob[VP8_YMODES - 1], vp8_uv_mode_tree);
+                  x->fc.uv_mode_prob[VP8_YMODES - 1], vp9_uv_mode_tree);
   vp9_cost_tokens(c->mb.intra_uv_mode_cost[0],
-                  x->kf_uv_mode_prob[VP8_YMODES - 1], vp8_uv_mode_tree);
+                  x->kf_uv_mode_prob[VP8_YMODES - 1], vp9_uv_mode_tree);
   vp9_cost_tokens(c->mb.i8x8_mode_costs,
-                  x->fc.i8x8_mode_prob, vp8_i8x8_mode_tree);
+                  x->fc.i8x8_mode_prob, vp9_i8x8_mode_tree);
 
   for (i = 0; i <= VP8_SWITCHABLE_FILTERS; ++i)
     vp9_cost_tokens((int *)c->mb.switchable_interp_costs[i],
                     x->fc.switchable_interp_prob[i],
-                    vp8_switchable_interp_tree);
+                    vp9_switchable_interp_tree);
 }
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 86b469fa40b5c00442746482019ed7dad3664c4c..bc17432d3777b1aedd89aa3c0f25a2ce7f375982 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -182,7 +182,7 @@ extern unsigned int inter_b_modes[B_MODE_COUNT];
 
 extern void vp9_init_quantizer(VP8_COMP *cpi);
 
-int vp8cx_base_skip_false_prob[QINDEX_RANGE][3];
+static int base_skip_false_prob[QINDEX_RANGE][3];
 
 // Tables relating active max Q to active min Q
 static int kf_low_motion_minq[QINDEX_RANGE];
@@ -271,21 +271,21 @@ static void init_base_skip_probs(void) {
       skip_prob = 1;
     else if (skip_prob > 255)
       skip_prob = 255;
-    vp8cx_base_skip_false_prob[i][1] = skip_prob;
+    base_skip_false_prob[i][1] = skip_prob;
 
     skip_prob = t * 0.75;
     if (skip_prob < 1)
       skip_prob = 1;
     else if (skip_prob > 255)
       skip_prob = 255;
-    vp8cx_base_skip_false_prob[i][2] = skip_prob;
+    base_skip_false_prob[i][2] = skip_prob;
 
     skip_prob = t * 1.25;
     if (skip_prob < 1)
       skip_prob = 1;
     else if (skip_prob > 255)
       skip_prob = 255;
-    vp8cx_base_skip_false_prob[i][0] = skip_prob;
+    base_skip_false_prob[i][0] = skip_prob;
   }
 }
 
@@ -1762,7 +1762,7 @@ VP8_PTR vp9_create_compressor(VP8_CONFIG *oxcf) {
 
   init_config((VP8_PTR)cpi, oxcf);
 
-  memcpy(cpi->base_skip_false_prob, vp8cx_base_skip_false_prob, sizeof(vp8cx_base_skip_false_prob));
+  memcpy(cpi->base_skip_false_prob, base_skip_false_prob, sizeof(base_skip_false_prob));
   cpi->common.current_video_frame   = 0;
   cpi->kf_overspend_bits            = 0;
   cpi->kf_bitrate_adjustment        = 0;
@@ -3484,7 +3484,7 @@ static void encode_frame_to_data_rate
         /* Mostly one filter is used. So set the filter at frame level */
         for (i = 0; i < VP8_SWITCHABLE_FILTERS; ++i) {
           if (count[i]) {
-            cm->mcomp_filter_type = vp8_switchable_interp[i];
+            cm->mcomp_filter_type = vp9_switchable_interp[i];
             Loop = TRUE;  /* Make sure to loop since the filter changed */
             break;
           }
diff --git a/vp8/encoder/quantize.c b/vp8/encoder/quantize.c
index 0bee9ec50f4eeb9cd3f4364f5e5e507c8798f64d..b5476b69890f1dc26e85c7184430b1c73354419c 100644
--- a/vp8/encoder/quantize.c
+++ b/vp8/encoder/quantize.c
@@ -40,15 +40,15 @@ void vp9_ht_quantize_b_4x4(BLOCK *b, BLOCKD *d, TX_TYPE tx_type) {
 
   switch (tx_type) {
     case ADST_DCT :
-      pt_scan = vp8_row_scan;
+      pt_scan = vp9_row_scan;
       break;
 
     case DCT_ADST :
-      pt_scan = vp8_col_scan;
+      pt_scan = vp9_col_scan;
       break;
 
     default :
-      pt_scan = vp8_default_zig_zag1d;
+      pt_scan = vp9_default_zig_zag1d;
       break;
   }
 
@@ -106,7 +106,7 @@ void vp9_regular_quantize_b_4x4(BLOCK *b, BLOCKD *d) {
   eob = -1;
 
   for (i = 0; i < b->eob_max_offset; i++) {
-    rc   = vp8_default_zig_zag1d[i];
+    rc   = vp9_default_zig_zag1d[i];
     z    = coeff_ptr[rc];
 
     zbin = zbin_ptr[rc] + *zbin_boost_ptr + zbin_oq_value;
@@ -179,7 +179,7 @@ void vp9_regular_quantize_b_2x2(BLOCK *b, BLOCKD *d) {
   eob = -1;
 
   for (i = 0; i < b->eob_max_offset_8x8; i++) {
-    rc   = vp8_default_zig_zag1d[i];
+    rc   = vp9_default_zig_zag1d[i];
     z    = coeff_ptr[rc];
 
     zbin_boost_ptr = &b->zrun_zbin_boost[zbin_zrun_index];
@@ -228,7 +228,7 @@ void vp9_regular_quantize_b_8x8(BLOCK *b, BLOCKD *d) {
   eob = -1;
 
   for (i = 0; i < b->eob_max_offset_8x8; i++) {
-    rc   = vp8_default_zig_zag1d_8x8[i];
+    rc   = vp9_default_zig_zag1d_8x8[i];
     z    = coeff_ptr[rc];
 
     zbin = (zbin_ptr[rc != 0] + *zbin_boost_ptr + zbin_oq_value);
@@ -318,7 +318,7 @@ void vp9_regular_quantize_b_16x16(BLOCK *b, BLOCKD *d) {
 
   eob = -1;
   for (i = 0; i < b->eob_max_offset_16x16; i++) {
-    rc   = vp8_default_zig_zag1d_16x16[i];
+    rc   = vp9_default_zig_zag1d_16x16[i];
     z    = coeff_ptr[rc];
 
     zbin = (zbin_ptr[rc!=0] + *zbin_boost_ptr + zbin_oq_value);
@@ -460,7 +460,7 @@ void vp9_init_quantizer(VP8_COMP *cpi) {
 
     // all the 4x4 ac values =;
     for (i = 1; i < 16; i++) {
-      int rc = vp8_default_zig_zag1d[i];
+      int rc = vp9_default_zig_zag1d[i];
 
       quant_val = vp9_ac_yquant(Q);
       invert_quant(cpi->Y1quant[Q] + rc,
@@ -494,7 +494,7 @@ void vp9_init_quantizer(VP8_COMP *cpi) {
     // This needs cleaning up for 8x8 especially if we are to add
     // support for non flat Q matices
     for (i = 1; i < 64; i++) {
-      int rc = vp8_default_zig_zag1d_8x8[i];
+      int rc = vp9_default_zig_zag1d_8x8[i];
 
       quant_val = vp9_ac_yquant(Q);
       cpi->Y1zbin_8x8[Q][rc] = ((qzbin_factor * quant_val) + 64) >> 7;
@@ -514,7 +514,7 @@ void vp9_init_quantizer(VP8_COMP *cpi) {
 
     // 16x16 structures. Same comment above applies.
     for (i = 1; i < 256; i++) {
-      int rc = vp8_default_zig_zag1d_16x16[i];
+      int rc = vp9_default_zig_zag1d_16x16[i];
 
       quant_val = vp9_ac_yquant(Q);
       cpi->Y1zbin_16x16[Q][rc] = ((qzbin_factor * quant_val) + 64) >> 7;
diff --git a/vp8/encoder/ratectrl.c b/vp8/encoder/ratectrl.c
index 8197bfd78bf4958da7899ae5baae1f3fbf9579b8..3191ab802d664cbd0dd00add85f64986b1b72344 100644
--- a/vp8/encoder/ratectrl.c
+++ b/vp8/encoder/ratectrl.c
@@ -28,9 +28,6 @@
 #define MIN_BPB_FACTOR          0.005
 #define MAX_BPB_FACTOR          50
 
-extern const MODE_DEFINITION vp8_mode_order[MAX_MODES];
-
-
 #ifdef MODE_STATS
 extern unsigned int y_modes[VP8_YMODES];
 extern unsigned int uv_modes[VP8_UV_MODES];
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index aa955baa5a9b0b22629c68508705da7a5b9322c0..02076b28059997ea42303aec65f3db3101c9f93d 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -83,7 +83,7 @@ static const int auto_speed_thresh[17] = {
 };
 
 #if CONFIG_PRED_FILTER
-const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
+const MODE_DEFINITION vp9_mode_order[MAX_MODES] = {
   {ZEROMV,    LAST_FRAME,   0,  0},
   {ZEROMV,    LAST_FRAME,   0,  1},
   {DC_PRED,   INTRA_FRAME,  0,  0},
@@ -155,7 +155,7 @@ const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
   {SPLITMV,   GOLDEN_FRAME, ALTREF_FRAME, 0}
 };
 #else
-const MODE_DEFINITION vp8_mode_order[MAX_MODES] = {
+const MODE_DEFINITION vp9_mode_order[MAX_MODES] = {
   {ZEROMV,    LAST_FRAME,   0},
   {DC_PRED,   INTRA_FRAME,  0},
 
@@ -228,11 +228,11 @@ static void fill_token_costs(
         if (k == 0 && ((j > 0 && i > 0) || (j > 1 && i == 0)))
           vp9_cost_tokens_skip((int *)(c[i][j][k]),
                                p[i][j][k],
-                               vp8_coef_tree);
+                               vp9_coef_tree);
         else
           vp9_cost_tokens((int *)(c[i][j][k]),
                           p[i][j][k],
-                          vp8_coef_tree);
+                          vp9_coef_tree);
       }
 }
 
@@ -553,15 +553,15 @@ static int cost_coeffs_2x2(MACROBLOCK *mb,
   assert(eob <= 4);
 
   for (; c < eob; c++) {
-    int v = qcoeff_ptr[vp8_default_zig_zag1d[c]];
-    int t = vp8_dct_value_tokens_ptr[v].Token;
-    cost += mb->token_costs[TX_8X8][type][vp8_coef_bands[c]][pt][t];
-    cost += vp8_dct_value_cost_ptr[v];
-    pt = vp8_prev_token_class[t];
+    int v = qcoeff_ptr[vp9_default_zig_zag1d[c]];
+    int t = vp9_dct_value_tokens_ptr[v].Token;
+    cost += mb->token_costs[TX_8X8][type][vp9_coef_bands[c]][pt][t];
+    cost += vp9_dct_value_cost_ptr[v];
+    pt = vp9_prev_token_class[t];
   }
 
   if (c < 4)
-    cost += mb->token_costs[TX_8X8][type][vp8_coef_bands[c]]
+    cost += mb->token_costs[TX_8X8][type][vp9_coef_bands[c]]
             [pt] [DCT_EOB_TOKEN];
 
   pt = (c != !type); // is eob first coefficient;
@@ -585,23 +585,23 @@ static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
 
   switch (tx_size) {
     case TX_4X4:
-      scan = vp8_default_zig_zag1d;
-      band = vp8_coef_bands;
+      scan = vp9_default_zig_zag1d;
+      band = vp9_coef_bands;
       default_eob = 16;
       if (type == PLANE_TYPE_Y_WITH_DC) {
         tx_type = get_tx_type_4x4(xd, b);
         if (tx_type != DCT_DCT) {
           switch (tx_type) {
             case ADST_DCT:
-              scan = vp8_row_scan;
+              scan = vp9_row_scan;
               break;
 
             case DCT_ADST:
-              scan = vp8_col_scan;
+              scan = vp9_col_scan;
               break;
 
             default:
-              scan = vp8_default_zig_zag1d;
+              scan = vp9_default_zig_zag1d;
               break;
           }
         }
@@ -609,8 +609,8 @@ static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
 
       break;
     case TX_8X8:
-      scan = vp8_default_zig_zag1d_8x8;
-      band = vp8_coef_bands_8x8;
+      scan = vp9_default_zig_zag1d_8x8;
+      band = vp9_coef_bands_8x8;
       default_eob = 64;
       if (type == PLANE_TYPE_Y_WITH_DC) {
         BLOCKD *bb;
@@ -623,8 +623,8 @@ static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
       }
       break;
     case TX_16X16:
-      scan = vp8_default_zig_zag1d_16x16;
-      band = vp8_coef_bands_16x16;
+      scan = vp9_default_zig_zag1d_16x16;
+      band = vp9_coef_bands_16x16;
       default_eob = 256;
       if (type == PLANE_TYPE_Y_WITH_DC) {
         tx_type = get_tx_type_16x16(xd, b);
@@ -643,10 +643,10 @@ static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
   if (tx_type != DCT_DCT) {
     for (; c < eob; c++) {
       int v = qcoeff_ptr[scan[c]];
-      int t = vp8_dct_value_tokens_ptr[v].Token;
+      int t = vp9_dct_value_tokens_ptr[v].Token;
       cost += mb->hybrid_token_costs[tx_size][type][band[c]][pt][t];
-      cost += vp8_dct_value_cost_ptr[v];
-      pt = vp8_prev_token_class[t];
+      cost += vp9_dct_value_cost_ptr[v];
+      pt = vp9_prev_token_class[t];
     }
     if (c < seg_eob)
       cost += mb->hybrid_token_costs[tx_size][type][band[c]]
@@ -654,10 +654,10 @@ static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, PLANE_TYPE type,
   } else {
     for (; c < eob; c++) {
       int v = qcoeff_ptr[scan[c]];
-      int t = vp8_dct_value_tokens_ptr[v].Token;
+      int t = vp9_dct_value_tokens_ptr[v].Token;
       cost += mb->token_costs[tx_size][type][band[c]][pt][t];
-      cost += vp8_dct_value_cost_ptr[v];
-      pt = vp8_prev_token_class[t];
+      cost += vp9_dct_value_cost_ptr[v];
+      pt = vp9_prev_token_class[t];
     }
     if (c < seg_eob)
       cost += mb->token_costs[tx_size][type][band[c]]
@@ -685,11 +685,11 @@ static int vp8_rdcost_mby(MACROBLOCK *mb) {
 
   for (b = 0; b < 16; b++)
     cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_Y_NO_DC,
-                        ta + vp8_block2above[b], tl + vp8_block2left[b],
+                        ta + vp9_block2above[b], tl + vp9_block2left[b],
                         TX_4X4);
 
   cost += cost_coeffs(mb, xd->block + 24, PLANE_TYPE_Y2,
-                      ta + vp8_block2above[24], tl + vp8_block2left[24],
+                      ta + vp9_block2above[24], tl + vp9_block2left[24],
                       TX_4X4);
 
   return cost;
@@ -761,11 +761,11 @@ static int vp8_rdcost_mby_8x8(MACROBLOCK *mb, int backup) {
 
   for (b = 0; b < 16; b += 4)
     cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_Y_NO_DC,
-                        ta + vp8_block2above_8x8[b], tl + vp8_block2left_8x8[b],
+                        ta + vp9_block2above_8x8[b], tl + vp9_block2left_8x8[b],
                         TX_8X8);
 
   cost += cost_coeffs_2x2(mb, xd->block + 24, PLANE_TYPE_Y2,
-                          ta + vp8_block2above[24], tl + vp8_block2left[24]);
+                          ta + vp9_block2above[24], tl + vp9_block2left[24]);
   return cost;
 }
 
@@ -1221,8 +1221,8 @@ static int64_t rd_pick_intra4x4mby_modes(VP8_COMP *cpi, MACROBLOCK *mb, int *Rat
 #if CONFIG_COMP_INTRA_PRED
                   & best_second_mode, allow_comp,
 #endif
-                  bmode_costs, ta + vp8_block2above[i],
-                  tl + vp8_block2left[i], &r, &ry, &d);
+                  bmode_costs, ta + vp9_block2above[i],
+                  tl + vp9_block2left[i], &r, &ry, &d);
 
     cost += r;
     distortion += d;
@@ -1448,8 +1448,8 @@ static int64_t rd_pick_intra8x8block(VP8_COMP *cpi, MACROBLOCK *x, int ib,
         // compute quantization mse of 8x8 block
         distortion = vp9_block_error_c((x->block + idx)->coeff,
                                        (xd->block + idx)->dqcoeff, 64);
-        ta0 = a[vp8_block2above_8x8[idx]];
-        tl0 = l[vp8_block2left_8x8[idx]];
+        ta0 = a[vp9_block2above_8x8[idx]];
+        tl0 = l[vp9_block2left_8x8[idx]];
 
         rate_t = cost_coeffs(x, xd->block + idx, PLANE_TYPE_Y_WITH_DC,
                              &ta0, &tl0, TX_8X8);
@@ -1475,10 +1475,10 @@ static int64_t rd_pick_intra8x8block(VP8_COMP *cpi, MACROBLOCK *x, int ib,
         distortion += vp9_block_error_c((x->block + ib + 5)->coeff,
                                         (xd->block + ib + 5)->dqcoeff, 16);
 
-        ta0 = a[vp8_block2above[ib]];
-        ta1 = a[vp8_block2above[ib + 1]];
-        tl0 = l[vp8_block2left[ib]];
-        tl1 = l[vp8_block2left[ib + 4]];
+        ta0 = a[vp9_block2above[ib]];
+        ta1 = a[vp9_block2above[ib + 1]];
+        tl0 = l[vp9_block2left[ib]];
+        tl1 = l[vp9_block2left[ib + 4]];
         rate_t = cost_coeffs(x, xd->block + ib, PLANE_TYPE_Y_WITH_DC,
                              &ta0, &tl0, TX_4X4);
         rate_t += cost_coeffs(x, xd->block + ib + 1, PLANE_TYPE_Y_WITH_DC,
@@ -1520,15 +1520,15 @@ static int64_t rd_pick_intra8x8block(VP8_COMP *cpi, MACROBLOCK *x, int ib,
   vp9_encode_intra8x8(IF_RTCD(&cpi->rtcd), x, ib);
 
   if (xd->mode_info_context->mbmi.txfm_size == TX_8X8) {
-    a[vp8_block2above_8x8[idx]]     = besta0;
-    a[vp8_block2above_8x8[idx] + 1] = besta1;
-    l[vp8_block2left_8x8[idx]]      = bestl0;
-    l[vp8_block2left_8x8[idx] + 1]  = bestl1;
+    a[vp9_block2above_8x8[idx]]     = besta0;
+    a[vp9_block2above_8x8[idx] + 1] = besta1;
+    l[vp9_block2left_8x8[idx]]      = bestl0;
+    l[vp9_block2left_8x8[idx] + 1]  = bestl1;
   } else {
-    a[vp8_block2above[ib]]     = besta0;
-    a[vp8_block2above[ib + 1]] = besta1;
-    l[vp8_block2left[ib]]      = bestl0;
-    l[vp8_block2left[ib + 4]]  = bestl1;
+    a[vp9_block2above[ib]]     = besta0;
+    a[vp9_block2above[ib + 1]] = besta1;
+    l[vp9_block2left[ib]]      = bestl0;
+    l[vp9_block2left[ib + 4]]  = bestl1;
   }
 
   return best_rd;
@@ -1564,7 +1564,7 @@ static int64_t rd_pick_intra8x8mby_modes(VP8_COMP *cpi, MACROBLOCK *mb,
 #endif
     int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(ry), UNINITIALIZED_IS_SAFE(d);
 
-    ib = vp8_i8x8_block[i];
+    ib = vp9_i8x8_block[i];
     total_rd += rd_pick_intra8x8block(
                   cpi, mb, ib, &best_mode,
 #if CONFIG_COMP_INTRA_PRED
@@ -1600,7 +1600,7 @@ static int rd_cost_mbuv(MACROBLOCK *mb) {
 
   for (b = 16; b < 24; b++)
     cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_UV,
-                        ta + vp8_block2above[b], tl + vp8_block2left[b],
+                        ta + vp9_block2above[b], tl + vp9_block2left[b],
                         TX_4X4);
 
   return cost;
@@ -1642,8 +1642,8 @@ static int rd_cost_mbuv_8x8(MACROBLOCK *mb, int backup) {
 
   for (b = 16; b < 24; b += 4)
     cost += cost_coeffs(mb, xd->block + b, PLANE_TYPE_UV,
-                        ta + vp8_block2above_8x8[b],
-                        tl + vp8_block2left_8x8[b], TX_8X8);
+                        ta + vp9_block2above_8x8[b],
+                        tl + vp9_block2left_8x8[b], TX_8X8);
 
   return cost;
 }
@@ -1959,8 +1959,8 @@ int vp9_cost_mv_ref(VP8_COMP *cpi,
     vp8_prob p [VP8_MVREFS - 1];
     assert(NEARESTMV <= m  &&  m <= SPLITMV);
     vp9_mv_ref_probs(pc, p, near_mv_ref_ct);
-    return vp8_cost_token(vp8_mv_ref_tree, p,
-                          vp8_mv_ref_encoding_array - NEARESTMV + m);
+    return vp8_cost_token(vp9_mv_ref_tree, p,
+                          vp9_mv_ref_encoding_array - NEARESTMV + m);
   } else
     return 0;
 }
@@ -2101,8 +2101,8 @@ static int64_t encode_inter_mb_segment(MACROBLOCK *x,
       thisdistortion = vp9_block_error(be->coeff, bd->dqcoeff, 16);
       *distortion += thisdistortion;
       *labelyrate += cost_coeffs(x, bd, PLANE_TYPE_Y_WITH_DC,
-                                 ta + vp8_block2above[i],
-                                 tl + vp8_block2left[i], TX_4X4);
+                                 ta + vp9_block2above[i],
+                                 tl + vp9_block2left[i], TX_4X4);
     }
   }
   *distortion >>= 2;
@@ -2134,7 +2134,7 @@ static int64_t encode_inter_mb_segment_8x8(MACROBLOCK *x,
   *distortion = 0;
   *labelyrate = 0;
   for (i = 0; i < 4; i++) {
-    int ib = vp8_i8x8_block[i];
+    int ib = vp9_i8x8_block[i];
 
     if (labels[ib] == which_label) {
       int idx = (ib & 8) + ((ib & 2) << 1);
@@ -2154,8 +2154,8 @@ static int64_t encode_inter_mb_segment_8x8(MACROBLOCK *x,
           thisdistortion = vp9_block_error_c(be2->coeff, bd2->dqcoeff, 64);
           otherdist += thisdistortion;
           othercost += cost_coeffs(x, bd2, PLANE_TYPE_Y_WITH_DC,
-                                     tacp + vp8_block2above_8x8[idx],
-                                     tlcp + vp8_block2left_8x8[idx], TX_8X8);
+                                     tacp + vp9_block2above_8x8[idx],
+                                     tlcp + vp9_block2left_8x8[idx], TX_8X8);
         }
         for (j = 0; j < 4; j += 2) {
           bd = &xd->block[ib + iblock[j]];
@@ -2165,12 +2165,12 @@ static int64_t encode_inter_mb_segment_8x8(MACROBLOCK *x,
           thisdistortion = vp9_block_error_c(be->coeff, bd->dqcoeff, 32);
           *distortion += thisdistortion;
           *labelyrate += cost_coeffs(x, bd, PLANE_TYPE_Y_WITH_DC,
-                                     ta + vp8_block2above[ib + iblock[j]],
-                                     tl + vp8_block2left[ib + iblock[j]],
+                                     ta + vp9_block2above[ib + iblock[j]],
+                                     tl + vp9_block2left[ib + iblock[j]],
                                      TX_4X4);
           *labelyrate += cost_coeffs(x, bd + 1, PLANE_TYPE_Y_WITH_DC,
-                                     ta + vp8_block2above[ib + iblock[j] + 1],
-                                     tl + vp8_block2left[ib + iblock[j]],
+                                     ta + vp9_block2above[ib + iblock[j] + 1],
+                                     tl + vp9_block2left[ib + iblock[j]],
                                      TX_4X4);
         }
       } else /* 8x8 */ {
@@ -2183,12 +2183,12 @@ static int64_t encode_inter_mb_segment_8x8(MACROBLOCK *x,
             thisdistortion = vp9_block_error_c(be3->coeff, bd3->dqcoeff, 32);
             otherdist += thisdistortion;
             othercost += cost_coeffs(x, bd3, PLANE_TYPE_Y_WITH_DC,
-                                     tacp + vp8_block2above[ib + iblock[j]],
-                                     tlcp + vp8_block2left[ib + iblock[j]],
+                                     tacp + vp9_block2above[ib + iblock[j]],
+                                     tlcp + vp9_block2left[ib + iblock[j]],
                                      TX_4X4);
             othercost += cost_coeffs(x, bd3 + 1, PLANE_TYPE_Y_WITH_DC,
-                                     tacp + vp8_block2above[ib + iblock[j] + 1],
-                                     tlcp + vp8_block2left[ib + iblock[j]],
+                                     tacp + vp9_block2above[ib + iblock[j] + 1],
+                                     tlcp + vp9_block2left[ib + iblock[j]],
                                      TX_4X4);
           }
         }
@@ -2197,8 +2197,8 @@ static int64_t encode_inter_mb_segment_8x8(MACROBLOCK *x,
         thisdistortion = vp9_block_error_c(be2->coeff, bd2->dqcoeff, 64);
         *distortion += thisdistortion;
         *labelyrate += cost_coeffs(x, bd2, PLANE_TYPE_Y_WITH_DC,
-                                   ta + vp8_block2above_8x8[idx],
-                                   tl + vp8_block2left_8x8[idx], TX_8X8);
+                                   ta + vp9_block2above_8x8[idx],
+                                   tl + vp9_block2left_8x8[idx], TX_8X8);
       }
     }
   }
@@ -2283,8 +2283,8 @@ static void rd_check_segment_txsize(VP8_COMP *cpi, MACROBLOCK *x,
   tl_b = (ENTROPY_CONTEXT *)&t_left_b;
 
   v_fn_ptr = &cpi->fn_ptr[segmentation];
-  labels = vp8_mbsplits[segmentation];
-  label_count = vp8_mbsplit_count[segmentation];
+  labels = vp9_mbsplits[segmentation];
+  label_count = vp9_mbsplit_count[segmentation];
 
   // 64 makes this threshold really big effectively
   // making it so that we very rarely check mvs on
@@ -2293,8 +2293,8 @@ static void rd_check_segment_txsize(VP8_COMP *cpi, MACROBLOCK *x,
   label_mv_thresh = 1 * bsi->mvthresh / label_count;
 
   // Segmentation method overheads
-  rate = vp8_cost_token(vp8_mbsplit_tree, vp8_mbsplit_probs,
-                        vp8_mbsplit_encodings + segmentation);
+  rate = vp8_cost_token(vp9_mbsplit_tree, vp9_mbsplit_probs,
+                        vp9_mbsplit_encodings + segmentation);
   rate += vp9_cost_mv_ref(cpi, SPLITMV, bsi->mdcounts);
   this_segment_rd += RDCOST(x->rdmult, x->rddiv, rate, 0);
   br += rate;
@@ -2365,7 +2365,7 @@ static void rd_check_segment_txsize(VP8_COMP *cpi, MACROBLOCK *x,
           mvp_full.as_mv.col = bsi->mvp.as_mv.col >> 3;
 
           // find first label
-          n = vp8_mbsplit_offset[segmentation][i];
+          n = vp9_mbsplit_offset[segmentation][i];
 
           c = &x->block[n];
           e = &x->e_mbd.block[n];
@@ -2457,7 +2457,7 @@ static void rd_check_segment_txsize(VP8_COMP *cpi, MACROBLOCK *x,
               best_eobs[j] = x->e_mbd.block[j].eob;
         } else {
           for (j = 0; j < 4; j++) {
-            int ib = vp8_i8x8_block[j], idx = j * 4;
+            int ib = vp9_i8x8_block[j], idx = j * 4;
 
             if (labels[ib] == i)
               best_eobs[idx] = x->e_mbd.block[idx].eob;
@@ -2521,7 +2521,7 @@ static void rd_check_segment(VP8_COMP *cpi, MACROBLOCK *x,
                              /* 16 = n_blocks */
                              int_mv seg_mvs[16][MAX_REF_FRAMES - 1],
                              int64_t txfm_cache[NB_TXFM_MODES]) {
-  int i, n, c = vp8_mbsplit_count[segmentation];
+  int i, n, c = vp9_mbsplit_count[segmentation];
 
   if (segmentation == PARTITIONING_4X4) {
     int64_t rd[16];
@@ -2750,12 +2750,12 @@ static int rd_pick_best_mbsegmentation(VP8_COMP *cpi, MACROBLOCK *x,
   /* save partitions */
   mbmi->txfm_size = bsi.txfm_size;
   mbmi->partitioning = bsi.segment_num;
-  x->partition_info->count = vp8_mbsplit_count[bsi.segment_num];
+  x->partition_info->count = vp9_mbsplit_count[bsi.segment_num];
 
   for (i = 0; i < x->partition_info->count; i++) {
     int j;
 
-    j = vp8_mbsplit_offset[bsi.segment_num][i];
+    j = vp9_mbsplit_offset[bsi.segment_num][i];
 
     x->partition_info->bmi[i].mode = bsi.modes[j];
     x->partition_info->bmi[i].mv.as_mv = bsi.mvs[j].as_mv;
@@ -3021,7 +3021,7 @@ static void set_i8x8_block_modes(MACROBLOCK *x, int modes[2][4]) {
   int i;
   MACROBLOCKD *xd = &x->e_mbd;
   for (i = 0; i < 4; i++) {
-    int ib = vp8_i8x8_block[i];
+    int ib = vp9_i8x8_block[i];
     xd->mode_info_context->bmi[ib + 0].as_mode.first = modes[0][i];
     xd->mode_info_context->bmi[ib + 1].as_mode.first = modes[0][i];
     xd->mode_info_context->bmi[ib + 4].as_mode.first = modes[0][i];
@@ -3402,13 +3402,13 @@ static int64_t handle_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
 
 #if CONFIG_PRED_FILTER
   // Filtered prediction:
-  mbmi->pred_filter_enabled = vp8_mode_order[mode_index].pred_filter_flag;
+  mbmi->pred_filter_enabled = vp9_mode_order[mode_index].pred_filter_flag;
   *rate2 += vp8_cost_bit(cpi->common.prob_pred_filter_off,
                          mbmi->pred_filter_enabled);
 #endif
   if (cpi->common.mcomp_filter_type == SWITCHABLE) {
     const int c = vp9_get_pred_context(cm, xd, PRED_SWITCHABLE_INTERP);
-    const int m = vp8_switchable_interp_map[mbmi->interp_filter];
+    const int m = vp9_switchable_interp_map[mbmi->interp_filter];
     *rate2 += SWITCHABLE_INTERP_RATE_FACTOR * x->switchable_interp_costs[c][m];
   }
 
@@ -3668,18 +3668,18 @@ void vp9_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
     rate_y = 0;
     rate_uv = 0;
 
-    this_mode = vp8_mode_order[mode_index].mode;
+    this_mode = vp9_mode_order[mode_index].mode;
     mbmi->mode = this_mode;
     mbmi->uv_mode = DC_PRED;
-    mbmi->ref_frame = vp8_mode_order[mode_index].ref_frame;
-    mbmi->second_ref_frame = vp8_mode_order[mode_index].second_ref_frame;
+    mbmi->ref_frame = vp9_mode_order[mode_index].ref_frame;
+    mbmi->second_ref_frame = vp9_mode_order[mode_index].second_ref_frame;
 #if CONFIG_PRED_FILTER
     mbmi->pred_filter_enabled = 0;
 #endif
     if (cpi->common.mcomp_filter_type == SWITCHABLE &&
         this_mode >= NEARESTMV && this_mode <= SPLITMV) {
       mbmi->interp_filter =
-          vp8_switchable_interp[switchable_filter_index++];
+          vp9_switchable_interp[switchable_filter_index++];
       if (switchable_filter_index == VP8_SWITCHABLE_FILTERS)
         switchable_filter_index = 0;
     } else {
@@ -3747,15 +3747,15 @@ void vp9_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
     // Experimental code. Special case for gf and arf zeromv modes.
     // Increase zbin size to suppress noise
     if (cpi->zbin_mode_boost_enabled) {
-      if (vp8_mode_order[mode_index].ref_frame == INTRA_FRAME)
+      if (vp9_mode_order[mode_index].ref_frame == INTRA_FRAME)
         cpi->zbin_mode_boost = 0;
       else {
-        if (vp8_mode_order[mode_index].mode == ZEROMV) {
-          if (vp8_mode_order[mode_index].ref_frame != LAST_FRAME)
+        if (vp9_mode_order[mode_index].mode == ZEROMV) {
+          if (vp9_mode_order[mode_index].ref_frame != LAST_FRAME)
             cpi->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
           else
             cpi->zbin_mode_boost = LF_ZEROMV_ZBIN_BOOST;
-        } else if (vp8_mode_order[mode_index].mode == SPLITMV)
+        } else if (vp9_mode_order[mode_index].mode == SPLITMV)
           cpi->zbin_mode_boost = 0;
         else
           cpi->zbin_mode_boost = MV_ZBIN_BOOST;
@@ -3946,7 +3946,7 @@ void vp9_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
       if (cpi->common.mcomp_filter_type == SWITCHABLE)
         rate2 += SWITCHABLE_INTERP_RATE_FACTOR * x->switchable_interp_costs
             [vp9_get_pred_context(&cpi->common, xd, PRED_SWITCHABLE_INTERP)]
-                [vp8_switchable_interp_map[mbmi->interp_filter]];
+                [vp9_switchable_interp_map[mbmi->interp_filter]];
       // If even the 'Y' rd value of split is higher than best so far
       // then dont bother looking at UV
       if (tmp_rd < best_yrd) {
@@ -4183,7 +4183,7 @@ void vp9_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x,
       best_mbmode.mode <= SPLITMV) {
     ++cpi->switchable_interp_count
         [vp9_get_pred_context(&cpi->common, xd, PRED_SWITCHABLE_INTERP)]
-        [vp8_switchable_interp_map[best_mbmode.interp_filter]];
+        [vp9_switchable_interp_map[best_mbmode.interp_filter]];
   }
 
   // Reduce the activation RD thresholds for the best choice mode
@@ -4530,10 +4530,10 @@ int64_t vp9_rd_pick_inter_mode_sb(VP8_COMP *cpi, MACROBLOCK *x,
       continue;
     }
 
-    this_mode = vp8_mode_order[mode_index].mode;
-    ref_frame = vp8_mode_order[mode_index].ref_frame;
+    this_mode = vp9_mode_order[mode_index].mode;
+    ref_frame = vp9_mode_order[mode_index].ref_frame;
     mbmi->ref_frame = ref_frame;
-    comp_pred = vp8_mode_order[mode_index].second_ref_frame != INTRA_FRAME;
+    comp_pred = vp9_mode_order[mode_index].second_ref_frame != INTRA_FRAME;
     mbmi->mode = this_mode;
     mbmi->uv_mode = DC_PRED;
 #if CONFIG_COMP_INTRA_PRED
diff --git a/vp8/encoder/tokenize.c b/vp8/encoder/tokenize.c
index 9482b5f473206aeadd901a31fb5ce9326c26f7e5..1a30deb95e16e791f6d9f7b5b784aa31e7562e8f 100644
--- a/vp8/encoder/tokenize.c
+++ b/vp8/encoder/tokenize.c
@@ -52,14 +52,14 @@ void vp9_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *xd, TOKENEXTRA **t, int dry_run);
 void vp9_fix_contexts(MACROBLOCKD *xd);
 
 static TOKENVALUE dct_value_tokens[DCT_MAX_VALUE * 2];
-const TOKENVALUE *vp8_dct_value_tokens_ptr;
+const TOKENVALUE *vp9_dct_value_tokens_ptr;
 static int dct_value_cost[DCT_MAX_VALUE * 2];
-const int *vp8_dct_value_cost_ptr;
+const int *vp9_dct_value_cost_ptr;
 
 static void fill_value_tokens() {
 
   TOKENVALUE *const t = dct_value_tokens + DCT_MAX_VALUE;
-  vp8_extra_bit_struct *const e = vp8_extra_bits;
+  vp8_extra_bit_struct *const e = vp9_extra_bits;
 
   int i = -DCT_MAX_VALUE;
   int sign = 1;
@@ -88,7 +88,7 @@ static void fill_value_tokens() {
     // initialize the cost for extra bits for all possible coefficient value.
     {
       int cost = 0;
-      vp8_extra_bit_struct *p = vp8_extra_bits + t[i].Token;
+      vp8_extra_bit_struct *p = vp9_extra_bits + t[i].Token;
 
       if (p->base_val) {
         const int extra = t[i].Extra;
@@ -105,8 +105,8 @@ static void fill_value_tokens() {
 
   } while (++i < DCT_MAX_VALUE);
 
-  vp8_dct_value_tokens_ptr = dct_value_tokens + DCT_MAX_VALUE;
-  vp8_dct_value_cost_ptr   = dct_value_cost + DCT_MAX_VALUE;
+  vp9_dct_value_tokens_ptr = dct_value_tokens + DCT_MAX_VALUE;
+  vp9_dct_value_cost_ptr   = dct_value_cost + DCT_MAX_VALUE;
 }
 
 static void tokenize_b(VP8_COMP *cpi,
@@ -136,15 +136,15 @@ static void tokenize_b(VP8_COMP *cpi,
     default:
     case TX_4X4:
       seg_eob = 16;
-      bands = vp8_coef_bands;
-      scan = vp8_default_zig_zag1d;
+      bands = vp9_coef_bands;
+      scan = vp9_default_zig_zag1d;
       if (tx_type != DCT_DCT) {
         counts = cpi->hybrid_coef_counts;
         probs = cpi->common.fc.hybrid_coef_probs;
         if (tx_type == ADST_DCT) {
-          scan = vp8_row_scan;
+          scan = vp9_row_scan;
         } else if (tx_type == DCT_ADST) {
-          scan = vp8_col_scan;
+          scan = vp9_col_scan;
         }
       } else {
         counts = cpi->coef_counts;
@@ -154,12 +154,12 @@ static void tokenize_b(VP8_COMP *cpi,
     case TX_8X8:
       if (type == PLANE_TYPE_Y2) {
         seg_eob = 4;
-        bands = vp8_coef_bands;
-        scan = vp8_default_zig_zag1d;
+        bands = vp9_coef_bands;
+        scan = vp9_default_zig_zag1d;
       } else {
         seg_eob = 64;
-        bands = vp8_coef_bands_8x8;
-        scan = vp8_default_zig_zag1d_8x8;
+        bands = vp9_coef_bands_8x8;
+        scan = vp9_default_zig_zag1d_8x8;
       }
       if (tx_type != DCT_DCT) {
         counts = cpi->hybrid_coef_counts_8x8;
@@ -171,8 +171,8 @@ static void tokenize_b(VP8_COMP *cpi,
       break;
     case TX_16X16:
       seg_eob = 256;
-      bands = vp8_coef_bands_16x16;
-      scan = vp8_default_zig_zag1d_16x16;
+      bands = vp9_coef_bands_16x16;
+      scan = vp9_default_zig_zag1d_16x16;
       if (tx_type != DCT_DCT) {
         counts = cpi->hybrid_coef_counts_16x16;
         probs = cpi->common.fc.hybrid_coef_probs_16x16;
@@ -196,8 +196,8 @@ static void tokenize_b(VP8_COMP *cpi,
 
       assert(-DCT_MAX_VALUE <= v  &&  v < DCT_MAX_VALUE);
 
-      t->Extra = vp8_dct_value_tokens_ptr[v].Extra;
-      token    = vp8_dct_value_tokens_ptr[v].Token;
+      t->Extra = vp9_dct_value_tokens_ptr[v].Extra;
+      token    = vp9_dct_value_tokens_ptr[v].Token;
     } else {
       token = DCT_EOB_TOKEN;
     }
@@ -206,11 +206,11 @@ static void tokenize_b(VP8_COMP *cpi,
     t->context_tree = probs[type][band][pt];
     t->skip_eob_node = (pt == 0) && ((band > 0 && type != PLANE_TYPE_Y_NO_DC) ||
                                      (band > 1 && type == PLANE_TYPE_Y_NO_DC));
-    assert(vp8_coef_encodings[t->Token].Len - t->skip_eob_node > 0);
+    assert(vp9_coef_encodings[t->Token].Len - t->skip_eob_node > 0);
     if (!dry_run) {
       ++counts[type][band][pt][token];
     }
-    pt = vp8_prev_token_class[token];
+    pt = vp9_prev_token_class[token];
     ++t;
   } while (c < eob && ++c < seg_eob);
 
@@ -352,11 +352,11 @@ void vp9_tokenize_mb(VP8_COMP *cpi,
   if (has_y2_block) {
     if (tx_size == TX_8X8) {
       tokenize_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2,
-                 A + vp8_block2above_8x8[24], L + vp8_block2left_8x8[24],
+                 A + vp9_block2above_8x8[24], L + vp9_block2left_8x8[24],
                  TX_8X8, dry_run);
     } else {
       tokenize_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2,
-                 A + vp8_block2above[24], L + vp8_block2left[24],
+                 A + vp9_block2above[24], L + vp9_block2left[24],
                  TX_4X4, dry_run);
     }
 
@@ -372,47 +372,47 @@ void vp9_tokenize_mb(VP8_COMP *cpi,
 
     for (b = 16; b < 24; b += 4) {
       tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
-                 A + vp8_block2above_8x8[b], L + vp8_block2left_8x8[b],
+                 A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
                  TX_8X8, dry_run);
-      A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-      L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+      A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+      L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
     }
     vpx_memset(&A[8], 0, sizeof(A[8]));
     vpx_memset(&L[8], 0, sizeof(L[8]));
   } else if (tx_size == TX_8X8) {
     for (b = 0; b < 16; b += 4) {
       tokenize_b(cpi, xd, xd->block + b, t, plane_type,
-                 A + vp8_block2above_8x8[b], L + vp8_block2left_8x8[b],
+                 A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
                  TX_8X8, dry_run);
-      A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-      L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+      A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+      L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
     }
     if (xd->mode_info_context->mbmi.mode == I8X8_PRED ||
         xd->mode_info_context->mbmi.mode == SPLITMV) {
       for (b = 16; b < 24; b++) {
         tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
-                   A + vp8_block2above[b], L + vp8_block2left[b],
+                   A + vp9_block2above[b], L + vp9_block2left[b],
                    TX_4X4, dry_run);
       }
     } else {
       for (b = 16; b < 24; b += 4) {
         tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
-                   A + vp8_block2above_8x8[b], L + vp8_block2left_8x8[b],
+                   A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
                    TX_8X8, dry_run);
-        A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-        L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+        A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+        L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
       }
     }
   } else {
     for (b = 0; b < 16; b++) {
       tokenize_b(cpi, xd, xd->block + b, t, plane_type,
-                 A + vp8_block2above[b], L + vp8_block2left[b],
+                 A + vp9_block2above[b], L + vp9_block2left[b],
                  TX_4X4, dry_run);
     }
 
     for (b = 16; b < 24; b++) {
       tokenize_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
-                 A + vp8_block2above[b], L + vp8_block2left[b],
+                 A + vp9_block2above[b], L + vp9_block2left[b],
                  TX_4X4, dry_run);
     }
   }
@@ -569,7 +569,7 @@ void print_context_counters() {
         for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
           coef_counts[t] = context_counters [type] [band] [pt] [t];
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, coef_counts, 256, 1);
         fprintf(f, "%s\n      {", Comma(pt));
 
@@ -604,7 +604,7 @@ void print_context_counters() {
         for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
           coef_counts[t] = context_counters_8x8[type] [band] [pt] [t];
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, coef_counts, 256, 1);
         fprintf(f, "%s\n      {", Comma(pt));
 
@@ -637,7 +637,7 @@ void print_context_counters() {
         for (t = 0; t < MAX_ENTROPY_TOKENS; ++t)
           coef_counts[t] = context_counters_16x16[type] [band] [pt] [t];
         vp9_tree_probs_from_distribution(
-          MAX_ENTROPY_TOKENS, vp8_coef_encodings, vp8_coef_tree,
+          MAX_ENTROPY_TOKENS, vp9_coef_encodings, vp9_coef_tree,
           coef_probs, branch_ct, coef_counts, 256, 1);
         fprintf(f, "%s\n      {", Comma(pt));
 
@@ -688,7 +688,7 @@ static __inline void stuff_b(VP8_COMP *cpi,
   switch (tx_size) {
     default:
     case TX_4X4:
-      bands = vp8_coef_bands;
+      bands = vp9_coef_bands;
       if (tx_type != DCT_DCT) {
         counts = cpi->hybrid_coef_counts;
         probs = cpi->common.fc.hybrid_coef_probs;
@@ -698,7 +698,7 @@ static __inline void stuff_b(VP8_COMP *cpi,
       }
       break;
     case TX_8X8:
-      bands = vp8_coef_bands_8x8;
+      bands = vp9_coef_bands_8x8;
       if (tx_type != DCT_DCT) {
         counts = cpi->hybrid_coef_counts_8x8;
         probs = cpi->common.fc.hybrid_coef_probs_8x8;
@@ -708,7 +708,7 @@ static __inline void stuff_b(VP8_COMP *cpi,
       }
       break;
     case TX_16X16:
-      bands = vp8_coef_bands_16x16;
+      bands = vp9_coef_bands_16x16;
       if (tx_type != DCT_DCT) {
         counts = cpi->hybrid_coef_counts_16x16;
         probs = cpi->common.fc.hybrid_coef_probs_16x16;
@@ -742,7 +742,7 @@ static void vp9_stuff_mb_8x8(VP8_COMP *cpi, MACROBLOCKD *xd,
 
   if (has_y2_block) {
     stuff_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2,
-            A + vp8_block2above_8x8[24], L + vp8_block2left_8x8[24],
+            A + vp9_block2above_8x8[24], L + vp9_block2left_8x8[24],
             TX_8X8, dry_run);
     plane_type = PLANE_TYPE_Y_NO_DC;
   } else {
@@ -750,18 +750,18 @@ static void vp9_stuff_mb_8x8(VP8_COMP *cpi, MACROBLOCKD *xd,
   }
 
   for (b = 0; b < 16; b += 4) {
-    stuff_b(cpi, xd, xd->block + b, t, plane_type, A + vp8_block2above_8x8[b],
-            L + vp8_block2left_8x8[b], TX_8X8, dry_run);
-    A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-    L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+    stuff_b(cpi, xd, xd->block + b, t, plane_type, A + vp9_block2above_8x8[b],
+            L + vp9_block2left_8x8[b], TX_8X8, dry_run);
+    A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+    L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
   }
 
   for (b = 16; b < 24; b += 4) {
     stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV,
-            A + vp8_block2above_8x8[b], L + vp8_block2left_8x8[b],
+            A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
             TX_8X8, dry_run);
-    A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-    L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+    A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+    L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
   }
 }
 
@@ -775,10 +775,10 @@ static void vp9_stuff_mb_16x16(VP8_COMP *cpi, MACROBLOCKD *xd,
   A[1] = A[2] = A[3] = A[0];
   L[1] = L[2] = L[3] = L[0];
   for (b = 16; b < 24; b += 4) {
-    stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp8_block2above[b],
-            L + vp8_block2above_8x8[b], TX_8X8, dry_run);
-    A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-    L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+    stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp9_block2above[b],
+            L + vp9_block2above_8x8[b], TX_8X8, dry_run);
+    A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+    L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
   }
   vpx_memset(&A[8], 0, sizeof(A[8]));
   vpx_memset(&L[8], 0, sizeof(L[8]));
@@ -795,20 +795,20 @@ static void vp9_stuff_mb_4x4(VP8_COMP *cpi, MACROBLOCKD *xd,
                             xd->mode_info_context->mbmi.mode != SPLITMV);
 
   if (has_y2_block) {
-    stuff_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2, A + vp8_block2above[24],
-            L + vp8_block2left[24], TX_4X4, dry_run);
+    stuff_b(cpi, xd, xd->block + 24, t, PLANE_TYPE_Y2, A + vp9_block2above[24],
+            L + vp9_block2left[24], TX_4X4, dry_run);
     plane_type = PLANE_TYPE_Y_NO_DC;
   } else {
     plane_type = PLANE_TYPE_Y_WITH_DC;
   }
 
   for (b = 0; b < 16; b++)
-    stuff_b(cpi, xd, xd->block + b, t, plane_type, A + vp8_block2above[b],
-            L + vp8_block2left[b], TX_4X4, dry_run);
+    stuff_b(cpi, xd, xd->block + b, t, plane_type, A + vp9_block2above[b],
+            L + vp9_block2left[b], TX_4X4, dry_run);
 
   for (b = 16; b < 24; b++)
-    stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp8_block2above[b],
-            L + vp8_block2left[b], TX_4X4, dry_run);
+    stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp9_block2above[b],
+            L + vp9_block2left[b], TX_4X4, dry_run);
 }
 
 static void vp9_stuff_mb_8x8_4x4uv(VP8_COMP *cpi, MACROBLOCKD *xd,
@@ -819,15 +819,15 @@ static void vp9_stuff_mb_8x8_4x4uv(VP8_COMP *cpi, MACROBLOCKD *xd,
 
   for (b = 0; b < 16; b += 4) {
     stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_Y_WITH_DC,
-            A + vp8_block2above_8x8[b], L + vp8_block2left_8x8[b],
+            A + vp9_block2above_8x8[b], L + vp9_block2left_8x8[b],
             TX_8X8, dry_run);
-    A[vp8_block2above_8x8[b] + 1] = A[vp8_block2above_8x8[b]];
-    L[vp8_block2left_8x8[b] + 1]  = L[vp8_block2left_8x8[b]];
+    A[vp9_block2above_8x8[b] + 1] = A[vp9_block2above_8x8[b]];
+    L[vp9_block2left_8x8[b] + 1]  = L[vp9_block2left_8x8[b]];
   }
 
   for (b = 16; b < 24; b++)
-    stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp8_block2above[b],
-            L + vp8_block2left[b], TX_4X4, dry_run);
+    stuff_b(cpi, xd, xd->block + b, t, PLANE_TYPE_UV, A + vp9_block2above[b],
+            L + vp9_block2left[b], TX_4X4, dry_run);
 }
 
 void vp9_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *xd, TOKENEXTRA **t, int dry_run) {
diff --git a/vp8/encoder/tokenize.h b/vp8/encoder/tokenize.h
index 7e36561e0ebf81ae81c285f055ce8d67456e945b..e02f002ffeff5fdc2f008bbe60b6a6faae194340 100644
--- a/vp8/encoder/tokenize.h
+++ b/vp8/encoder/tokenize.h
@@ -49,11 +49,11 @@ extern INT64 context_counters_16x16[BLOCK_TYPES_16X16][COEF_BANDS]
                                    [PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
 #endif
 
-extern const int *vp8_dct_value_cost_ptr;
+extern const int *vp9_dct_value_cost_ptr;
 /* TODO: The Token field should be broken out into a separate char array to
  *  improve cache locality, since it's needed for costing when the rest of the
  *  fields are not.
  */
-extern const TOKENVALUE *vp8_dct_value_tokens_ptr;
+extern const TOKENVALUE *vp9_dct_value_tokens_ptr;
 
 #endif  /* tokenize_h */
diff --git a/vp8/encoder/treewriter.h b/vp8/encoder/treewriter.h
index 4c34db4f1ee49076aefaf47125c432d3302ffcef..1a97f5a5101015a772489edf09b210dd581aa88b 100644
--- a/vp8/encoder/treewriter.h
+++ b/vp8/encoder/treewriter.h
@@ -32,7 +32,7 @@ typedef BOOL_CODER vp8_writer;
 
 /* Approximate length of an encoded bool in 256ths of a bit at given prob */
 
-#define vp8_cost_zero( x) ( vp8_prob_cost[x])
+#define vp8_cost_zero( x) ( vp9_prob_cost[x])
 #define vp8_cost_one( x)  vp8_cost_zero( vp8_complement(x))
 
 #define vp8_cost_bit( x, b) vp8_cost_zero( (b)?  vp8_complement(x) : (x) )
diff --git a/vp8/encoder/variance_c.c b/vp8/encoder/variance_c.c
index 2684df7b282ae4752ec6831307caabbc15704414..760c519eafbb0c53f85229eefa386abde7120a7c 100644
--- a/vp8/encoder/variance_c.c
+++ b/vp8/encoder/variance_c.c
@@ -264,8 +264,8 @@ unsigned int vp9_sub_pixel_variance4x4_c(const unsigned char  *src_ptr,
   const short *HFilter, *VFilter;
   unsigned short FData3[5 * 4]; // Temp data bufffer used in filtering
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   // First filter 1d Horizontal
   var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 5, 4, HFilter);
@@ -288,8 +288,8 @@ unsigned int vp9_sub_pixel_variance8x8_c(const unsigned char  *src_ptr,
   unsigned char  temp2[20 * 16];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 9, 8, HFilter);
   var_filter_block2d_bil_second_pass(FData3, temp2, 8, 8, 8, 8, VFilter);
@@ -308,8 +308,8 @@ unsigned int vp9_sub_pixel_variance16x16_c(const unsigned char  *src_ptr,
   unsigned char  temp2[20 * 16];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 17, 16, HFilter);
   var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 16, 16, VFilter);
@@ -329,8 +329,8 @@ unsigned int vp9_sub_pixel_variance32x32_c(const unsigned char  *src_ptr,
   unsigned char  temp2[36 * 32];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 33, 32, HFilter);
   var_filter_block2d_bil_second_pass(FData3, temp2, 32, 32, 32, 32, VFilter);
@@ -439,8 +439,8 @@ unsigned int vp9_sub_pixel_variance16x8_c(const unsigned char  *src_ptr,
   unsigned char  temp2[20 * 16];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line, 1, 9, 16, HFilter);
   var_filter_block2d_bil_second_pass(FData3, temp2, 16, 16, 8, 16, VFilter);
@@ -459,8 +459,8 @@ unsigned int vp9_sub_pixel_variance8x16_c(const unsigned char  *src_ptr,
   unsigned char  temp2[20 * 16];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3, src_pixels_per_line,
                                     1, 17, 8, HFilter);
@@ -507,8 +507,8 @@ unsigned int vp8_sub_pixel_variance16x2_c(const unsigned char  *src_ptr,
   unsigned char  temp2[20 * 16];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3,
                                     src_pixels_per_line, 1, 3, 16, HFilter);
@@ -528,8 +528,8 @@ unsigned int vp8_sub_pixel_variance2x16_c(const unsigned char  *src_ptr,
   unsigned char  temp2[2 * 16];
   const short *HFilter, *VFilter;
 
-  HFilter = vp8_bilinear_filters[xoffset];
-  VFilter = vp8_bilinear_filters[yoffset];
+  HFilter = vp9_bilinear_filters[xoffset];
+  VFilter = vp9_bilinear_filters[yoffset];
 
   var_filter_block2d_bil_first_pass(src_ptr, FData3,
                                     src_pixels_per_line, 1, 17, 2, HFilter);
diff --git a/vp8/encoder/x86/quantize_sse2.asm b/vp8/encoder/x86/quantize_sse2.asm
index b12a5850a81681259e9cc76756d9410cf2d62b9e..153060e74558a8c09daa650ee69c32a03753e5df 100644
--- a/vp8/encoder/x86/quantize_sse2.asm
+++ b/vp8/encoder/x86/quantize_sse2.asm
@@ -55,14 +55,14 @@ sym(vp9_regular_quantize_b_sse2):
   %endif
 %endif
 
-    mov         rdx, [rdi + vp8_block_coeff] ; coeff_ptr
-    mov         rcx, [rdi + vp8_block_zbin] ; zbin_ptr
-    movd        xmm7, [rdi + vp8_block_zbin_extra] ; zbin_oq_value
+    mov         rdx, [rdi + vp9_block_coeff] ; coeff_ptr
+    mov         rcx, [rdi + vp9_block_zbin] ; zbin_ptr
+    movd        xmm7, [rdi + vp9_block_zbin_extra] ; zbin_oq_value
 
     ; z
     movdqa      xmm0, [rdx]
     movdqa      xmm4, [rdx + 16]
-    mov         rdx, [rdi + vp8_block_round] ; round_ptr
+    mov         rdx, [rdi + vp9_block_round] ; round_ptr
 
     pshuflw     xmm7, xmm7, 0
     punpcklwd   xmm7, xmm7                  ; duplicated zbin_oq_value
@@ -84,7 +84,7 @@ sym(vp9_regular_quantize_b_sse2):
 
     movdqa      xmm2, [rcx]
     movdqa      xmm3, [rcx + 16]
-    mov         rcx, [rdi + vp8_block_quant] ; quant_ptr
+    mov         rcx, [rdi + vp9_block_quant] ; quant_ptr
 
     ; *zbin_ptr + zbin_oq_value
     paddw       xmm2, xmm7
@@ -126,8 +126,8 @@ sym(vp9_regular_quantize_b_sse2):
     movdqa      [rsp + qcoeff], xmm6
     movdqa      [rsp + qcoeff + 16], xmm6
 
-    mov         rdx, [rdi + vp8_block_zrun_zbin_boost] ; zbin_boost_ptr
-    mov         rax, [rdi + vp8_block_quant_shift] ; quant_shift_ptr
+    mov         rdx, [rdi + vp9_block_zrun_zbin_boost] ; zbin_boost_ptr
+    mov         rax, [rdi + vp9_block_quant_shift] ; quant_shift_ptr
     mov         [rsp + zrun_zbin_boost], rdx
 
 %macro ZIGZAG_LOOP 1
@@ -149,7 +149,7 @@ sym(vp9_regular_quantize_b_sse2):
     mov         rdx, [rsp + zrun_zbin_boost] ; reset to b->zrun_zbin_boost
 .rq_zigzag_loop_%1:
 %endmacro
-; in vp8_default_zig_zag1d order: see vp8/common/entropy.c
+; in vp9_default_zig_zag1d order: see vp8/common/entropy.c
 ZIGZAG_LOOP  0
 ZIGZAG_LOOP  1
 ZIGZAG_LOOP  4
@@ -170,8 +170,8 @@ ZIGZAG_LOOP 15
     movdqa      xmm2, [rsp + qcoeff]
     movdqa      xmm3, [rsp + qcoeff + 16]
 
-    mov         rcx, [rsi + vp8_blockd_dequant] ; dequant_ptr
-    mov         rdi, [rsi + vp8_blockd_dqcoeff] ; dqcoeff_ptr
+    mov         rcx, [rsi + vp9_blockd_dequant] ; dequant_ptr
+    mov         rdi, [rsi + vp9_blockd_dqcoeff] ; dqcoeff_ptr
 
     ; y ^ sz
     pxor        xmm2, xmm0
@@ -184,7 +184,7 @@ ZIGZAG_LOOP 15
     movdqa      xmm0, [rcx]
     movdqa      xmm1, [rcx + 16]
 
-    mov         rcx, [rsi + vp8_blockd_qcoeff] ; qcoeff_ptr
+    mov         rcx, [rsi + vp9_blockd_qcoeff] ; qcoeff_ptr
 
     pmullw      xmm0, xmm2
     pmullw      xmm1, xmm3
@@ -214,7 +214,7 @@ ZIGZAG_LOOP 15
     pmaxsw      xmm2, xmm3
     movd        eax, xmm2
     and         eax, 0xff
-    mov         [rsi + vp8_blockd_eob], eax
+    mov         [rsi + vp9_blockd_eob], eax
 
     ; begin epilog
     add         rsp, stack_size
@@ -270,9 +270,9 @@ sym(vp9_fast_quantize_b_sse2):
   %endif
 %endif
 
-    mov         rax, [rdi + vp8_block_coeff]
-    mov         rcx, [rdi + vp8_block_round]
-    mov         rdx, [rdi + vp8_block_quant_fast]
+    mov         rax, [rdi + vp9_block_coeff]
+    mov         rcx, [rdi + vp9_block_round]
+    mov         rdx, [rdi + vp9_block_quant_fast]
 
     ; z = coeff
     movdqa      xmm0, [rax]
@@ -296,9 +296,9 @@ sym(vp9_fast_quantize_b_sse2):
     paddw       xmm1, [rcx]
     paddw       xmm5, [rcx + 16]
 
-    mov         rax, [rsi + vp8_blockd_qcoeff]
-    mov         rcx, [rsi + vp8_blockd_dequant]
-    mov         rdi, [rsi + vp8_blockd_dqcoeff]
+    mov         rax, [rsi + vp9_blockd_qcoeff]
+    mov         rcx, [rsi + vp9_blockd_dequant]
+    mov         rdi, [rsi + vp9_blockd_dqcoeff]
 
     ; y = x * quant >> 16
     pmulhw      xmm1, [rdx]
@@ -354,7 +354,7 @@ sym(vp9_fast_quantize_b_sse2):
 
     movd        eax, xmm1
     and         eax, 0xff
-    mov         [rsi + vp8_blockd_eob], eax
+    mov         [rsi + vp9_blockd_eob], eax
 
     ; begin epilog
 %if ABI_IS_32BIT
diff --git a/vp8/encoder/x86/quantize_sse4.asm b/vp8/encoder/x86/quantize_sse4.asm
index 76f7a9278768dd5e1e38d2176b236b229dca31f7..8ce1b7cffaa2a1dd3fed9215f043d29224402f75 100644
--- a/vp8/encoder/x86/quantize_sse4.asm
+++ b/vp8/encoder/x86/quantize_sse4.asm
@@ -52,10 +52,10 @@ sym(vp9_regular_quantize_b_sse4):
   %endif
 %endif
 
-    mov         rax, [rdi + vp8_block_coeff]
-    mov         rcx, [rdi + vp8_block_zbin]
-    mov         rdx, [rdi + vp8_block_round]
-    movd        xmm7, [rdi + vp8_block_zbin_extra]
+    mov         rax, [rdi + vp9_block_coeff]
+    mov         rcx, [rdi + vp9_block_zbin]
+    mov         rdx, [rdi + vp9_block_round]
+    movd        xmm7, [rdi + vp9_block_zbin_extra]
 
     ; z
     movdqa      xmm0, [rax]
@@ -99,9 +99,9 @@ sym(vp9_regular_quantize_b_sse4):
     movdqa      xmm4, [rdx]
     movdqa      xmm5, [rdx + 16]
 
-    mov         rax, [rdi + vp8_block_quant_shift]
-    mov         rcx, [rdi + vp8_block_quant]
-    mov         rdx, [rdi + vp8_block_zrun_zbin_boost]
+    mov         rax, [rdi + vp9_block_quant_shift]
+    mov         rcx, [rdi + vp9_block_quant]
+    mov         rdx, [rdi + vp9_block_zrun_zbin_boost]
 
     ; x + round
     paddw       xmm2, xmm4
@@ -156,7 +156,7 @@ sym(vp9_regular_quantize_b_sse4):
     mov         rdx, rax                    ; reset to b->zrun_zbin_boost
 .rq_zigzag_loop_%1:
 %endmacro
-; in vp8_default_zig_zag1d order: see vp8/common/entropy.c
+; in vp9_default_zig_zag1d order: see vp8/common/entropy.c
 ZIGZAG_LOOP  0, 0, xmm2, xmm6, xmm4
 ZIGZAG_LOOP  1, 1, xmm2, xmm6, xmm4
 ZIGZAG_LOOP  4, 4, xmm2, xmm6, xmm4
@@ -174,8 +174,8 @@ ZIGZAG_LOOP 11, 3, xmm3, xmm7, xmm8
 ZIGZAG_LOOP 14, 6, xmm3, xmm7, xmm8
 ZIGZAG_LOOP 15, 7, xmm3, xmm7, xmm8
 
-    mov         rcx, [rsi + vp8_blockd_dequant]
-    mov         rdi, [rsi + vp8_blockd_dqcoeff]
+    mov         rcx, [rsi + vp9_blockd_dequant]
+    mov         rdi, [rsi + vp9_blockd_dqcoeff]
 
 %if ABI_IS_32BIT
     movdqa      xmm4, [rsp + qcoeff]
@@ -195,7 +195,7 @@ ZIGZAG_LOOP 15, 7, xmm3, xmm7, xmm8
     movdqa      xmm0, [rcx]
     movdqa      xmm1, [rcx + 16]
 
-    mov         rcx, [rsi + vp8_blockd_qcoeff]
+    mov         rcx, [rsi + vp9_blockd_qcoeff]
 
     pmullw      xmm0, xmm4
     pmullw      xmm1, xmm5
@@ -225,7 +225,7 @@ ZIGZAG_LOOP 15, 7, xmm3, xmm7, xmm8
     add         eax, 1
     and         eax, edi
 
-    mov         [rsi + vp8_blockd_eob], eax
+    mov         [rsi + vp9_blockd_eob], eax
 
     ; begin epilog
 %if ABI_IS_32BIT
@@ -249,6 +249,6 @@ ZIGZAG_LOOP 15, 7, xmm3, xmm7, xmm8
 
 SECTION_RODATA
 align 16
-; vp8/common/entropy.c: vp8_default_zig_zag1d
+; vp8/common/entropy.c: vp9_default_zig_zag1d
 zig_zag1d:
     db 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
diff --git a/vp8/encoder/x86/quantize_ssse3.asm b/vp8/encoder/x86/quantize_ssse3.asm
index 018161e7c8ee5baa080f5b3c25b3244f90596932..14a9912d244000ab889ea09d3e6df6961bfda5de 100644
--- a/vp8/encoder/x86/quantize_ssse3.asm
+++ b/vp8/encoder/x86/quantize_ssse3.asm
@@ -47,9 +47,9 @@ sym(vp9_fast_quantize_b_ssse3):
   %endif
 %endif
 
-    mov         rax, [rdi + vp8_block_coeff]
-    mov         rcx, [rdi + vp8_block_round]
-    mov         rdx, [rdi + vp8_block_quant_fast]
+    mov         rax, [rdi + vp9_block_coeff]
+    mov         rcx, [rdi + vp9_block_round]
+    mov         rdx, [rdi + vp9_block_quant_fast]
 
     ; coeff
     movdqa      xmm0, [rax]
@@ -76,9 +76,9 @@ sym(vp9_fast_quantize_b_ssse3):
     pmulhw      xmm1, [rdx]
     pmulhw      xmm5, [rdx + 16]
 
-    mov         rax, [rsi + vp8_blockd_qcoeff]
-    mov         rdi, [rsi + vp8_blockd_dequant]
-    mov         rcx, [rsi + vp8_blockd_dqcoeff]
+    mov         rax, [rsi + vp9_blockd_qcoeff]
+    mov         rdi, [rsi + vp9_blockd_dequant]
+    mov         rcx, [rsi + vp9_blockd_dqcoeff]
 
     pxor        xmm1, xmm0
     pxor        xmm5, xmm4
@@ -115,7 +115,7 @@ sym(vp9_fast_quantize_b_ssse3):
     add         eax, 1
     and         eax, edi                    ;if the bit mask was all zero,
                                             ;then eob = 0
-    mov         [rsi + vp8_blockd_eob], eax
+    mov         [rsi + vp9_blockd_eob], eax
 
     ; begin epilog
 %if ABI_IS_32BIT
diff --git a/vp8/encoder/x86/variance_mmx.c b/vp8/encoder/x86/variance_mmx.c
index 58aae066fa0b0830e96273b8d5879d977d634cd8..2d72d50a8f2d8dc65f847582461e1436fc9cbb4d 100644
--- a/vp8/encoder/x86/variance_mmx.c
+++ b/vp8/encoder/x86/variance_mmx.c
@@ -198,7 +198,7 @@ unsigned int vp9_variance8x16_mmx(
 // the mmx function that does the bilinear filtering and var calculation //
 // int one pass                                                          //
 ///////////////////////////////////////////////////////////////////////////
-DECLARE_ALIGNED(16, const short, vp8_vp7_bilinear_filters_mmx[16][8]) = {
+DECLARE_ALIGNED(16, const short, vp9_bilinear_filters_mmx[16][8]) = {
   { 128, 128, 128, 128,  0,  0,  0,  0 },
   { 120, 120, 120, 120,  8,  8,  8,  8 },
   { 112, 112, 112, 112, 16, 16, 16, 16 },
@@ -233,7 +233,7 @@ unsigned int vp9_sub_pixel_variance4x4_mmx
   vp9_filter_block2d_bil4x4_var_mmx(
     src_ptr, src_pixels_per_line,
     dst_ptr, dst_pixels_per_line,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum, &xxsum
   );
   *sse = xxsum;
@@ -257,7 +257,7 @@ unsigned int vp9_sub_pixel_variance8x8_mmx
   vp9_filter_block2d_bil_var_mmx(
     src_ptr, src_pixels_per_line,
     dst_ptr, dst_pixels_per_line, 8,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum, &xxsum
   );
   *sse = xxsum;
@@ -281,14 +281,14 @@ unsigned int vp9_sub_pixel_variance16x16_mmx
   vp9_filter_block2d_bil_var_mmx(
     src_ptr, src_pixels_per_line,
     dst_ptr, dst_pixels_per_line, 16,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum0, &xxsum0
   );
 
   vp9_filter_block2d_bil_var_mmx(
     src_ptr + 8, src_pixels_per_line,
     dst_ptr + 8, dst_pixels_per_line, 16,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum1, &xxsum1
   );
 
@@ -331,7 +331,7 @@ unsigned int vp9_sub_pixel_variance16x8_mmx
   vp9_filter_block2d_bil_var_mmx(
     src_ptr, src_pixels_per_line,
     dst_ptr, dst_pixels_per_line, 8,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum0, &xxsum0
   );
 
@@ -339,7 +339,7 @@ unsigned int vp9_sub_pixel_variance16x8_mmx
   vp9_filter_block2d_bil_var_mmx(
     src_ptr + 8, src_pixels_per_line,
     dst_ptr + 8, dst_pixels_per_line, 8,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum1, &xxsum1
   );
 
@@ -365,7 +365,7 @@ unsigned int vp9_sub_pixel_variance8x16_mmx
   vp9_filter_block2d_bil_var_mmx(
     src_ptr, src_pixels_per_line,
     dst_ptr, dst_pixels_per_line, 16,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum, &xxsum
   );
   *sse = xxsum;
diff --git a/vp8/encoder/x86/variance_sse2.c b/vp8/encoder/x86/variance_sse2.c
index 79e13005eafd2b7e6009f8930dd191b6e8a61034..f3b0b600a647b23e479a6e73282a1f5d8e758276 100644
--- a/vp8/encoder/x86/variance_sse2.c
+++ b/vp8/encoder/x86/variance_sse2.c
@@ -137,7 +137,7 @@ void vp9_half_vert_variance16x_h_sse2
   unsigned int *sumsquared
 );
 
-DECLARE_ALIGNED(16, extern short, vp8_vp7_bilinear_filters_mmx[16][8]);
+DECLARE_ALIGNED(16, extern short, vp9_bilinear_filters_mmx[16][8]);
 
 unsigned int vp9_variance4x4_wmt(
   const unsigned char *src_ptr,
@@ -257,7 +257,7 @@ unsigned int vp9_sub_pixel_variance4x4_wmt
   vp9_filter_block2d_bil4x4_var_mmx(
     src_ptr, src_pixels_per_line,
     dst_ptr, dst_pixels_per_line,
-    vp8_vp7_bilinear_filters_mmx[xoffset], vp8_vp7_bilinear_filters_mmx[yoffset],
+    vp9_bilinear_filters_mmx[xoffset], vp9_bilinear_filters_mmx[yoffset],
     &xsum, &xxsum
   );
   *sse = xxsum;
diff --git a/vp8/vp8_dx_iface.c b/vp8/vp8_dx_iface.c
index 791fa0fc56f33eca8b793fd49b9b9d85741f5d19..599df7dec698cafbfdeaeb1094c586fb5306eb52 100644
--- a/vp8/vp8_dx_iface.c
+++ b/vp8/vp8_dx_iface.c
@@ -641,7 +641,7 @@ static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
 
 }
 
-vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] = {
+static vpx_codec_ctrl_fn_map_t ctf_maps[] = {
   {VP8_SET_REFERENCE,             vp9_set_reference},
   {VP8_COPY_REFERENCE,            vp9_get_reference},
   {VP8_SET_POSTPROC,              vp8_set_postproc},
@@ -666,7 +666,7 @@ CODEC_INTERFACE(vpx_codec_vp8_dx) = {
   /* vpx_codec_caps_t          caps; */
   vp8_init,         /* vpx_codec_init_fn_t       init; */
   vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
-  vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
+  ctf_maps,         /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
   vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
   vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
   {
@@ -696,7 +696,7 @@ vpx_codec_iface_t vpx_codec_vp8_algo = {
   /* vpx_codec_caps_t          caps; */
   vp8_init,         /* vpx_codec_init_fn_t       init; */
   vp8_destroy,      /* vpx_codec_destroy_fn_t    destroy; */
-  vp8_ctf_maps,     /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
+  ctf_maps,         /* vpx_codec_ctrl_fn_map_t  *ctrl_maps; */
   vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t   get_mmap; */
   vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t   set_mmap; */
   {