diff --git a/vp10/common/blockd.h b/vp10/common/blockd.h
index d01067a..0bcad78 100644
--- a/vp10/common/blockd.h
+++ b/vp10/common/blockd.h
@@ -32,6 +32,11 @@
 
 #define MAX_MB_PLANE 3
 
+#if CONFIG_EXT_TX
+#define GET_TX_TYPES(tx_size) \
+    ((tx_size) >= TX_32X32 ? 1 : TX_TYPES)
+#endif  // CONFIG_EXT_TX
+
 typedef enum {
   KEY_FRAME = 0,
   INTER_FRAME = 1,
@@ -83,8 +88,8 @@
   INTERP_FILTER interp_filter;
   MV_REFERENCE_FRAME ref_frame[2];
 #if CONFIG_EXT_TX
-  EXT_TX_TYPE ext_txfrm;
-#endif
+  TX_TYPE tx_type;
+#endif  // CONFIG_EXT_TX
 
   // TODO(slavarnway): Delete and use bmi[3].as_mv[] instead.
   int_mv mv[2];
@@ -224,42 +229,6 @@
   ADST_ADST,  // TM
 };
 
-#if CONFIG_EXT_TX
-#define GET_EXT_TX_TYPES(tx_size) \
-    ((tx_size) >= TX_32X32 ? 1 : EXT_TX_TYPES)
-#define GET_EXT_TX_TREE(tx_size) \
-    ((tx_size) >= TX_32X32 ? NULL : vp10_ext_tx_tree)
-#define GET_EXT_TX_ENCODINGS(tx_size) \
-    ((tx_size) >= TX_32X32 ? NULL : ext_tx_encodings)
-
-static TX_TYPE ext_tx_to_txtype[EXT_TX_TYPES] = {
-  DCT_DCT,
-  ADST_DCT,
-  DCT_ADST,
-  ADST_ADST,
-  FLIPADST_DCT,
-  DCT_FLIPADST,
-  FLIPADST_FLIPADST,
-  ADST_FLIPADST,
-  FLIPADST_ADST,
-  DST_DCT,
-  DCT_DST,
-  DST_ADST,
-  ADST_DST,
-  DST_FLIPADST,
-  FLIPADST_DST,
-  DST_DST,
-  IDTX,
-};
-#endif  // CONFIG_EXT_TX
-
-static INLINE TX_TYPE get_tx_type_large(PLANE_TYPE plane_type,
-                                        const MACROBLOCKD *xd) {
-  (void) plane_type;
-  (void) xd;
-  return DCT_DCT;
-}
-
 static INLINE TX_TYPE get_tx_type(PLANE_TYPE plane_type,
                                   const MACROBLOCKD *xd,
                                   int block_idx, TX_SIZE tx_size) {
@@ -271,7 +240,7 @@
     return DCT_DCT;
   if (mbmi->sb_type >= BLOCK_8X8) {
     if (plane_type == PLANE_TYPE_Y || is_inter_block(mbmi))
-      return ext_tx_to_txtype[mbmi->ext_txfrm];
+      return mbmi->tx_type;
   }
 
   if (is_inter_block(mbmi))
diff --git a/vp10/common/entropymode.c b/vp10/common/entropymode.c
index 8f59fd8..3cfb897 100644
--- a/vp10/common/entropymode.c
+++ b/vp10/common/entropymode.c
@@ -315,27 +315,27 @@
 };
 
 #if CONFIG_EXT_TX
-const vpx_tree_index vp10_ext_tx_tree[TREE_SIZE(EXT_TX_TYPES)] = {
-  -ALT16, 2,
-  -NORM, 4,
-  -ALT15, 6,
+const vpx_tree_index vp10_tx_type_tree[TREE_SIZE(TX_TYPES)] = {
+  -IDTX, 2,
+  -DCT_DCT, 4,
+  -DST_DST, 6,
   8, 18,
   10, 12,
-  -ALT9, -ALT10,
+  -DST_DCT, -DCT_DST,
   14, 16,
-  -ALT1, -ALT2,
-  -ALT4, -ALT5,
+  -ADST_DCT, -DCT_ADST,
+  -FLIPADST_DCT, -DCT_FLIPADST,
   20, 26,
   22, 24,
-  -ALT11, -ALT12,
-  -ALT13, -ALT14,
+  -DST_ADST, -ADST_DST,
+  -DST_FLIPADST, -FLIPADST_DST,
   28, 30,
-  -ALT3, -ALT6,
-  -ALT7, -ALT8
+  -ADST_ADST, -FLIPADST_FLIPADST,
+  -ADST_FLIPADST, -FLIPADST_ADST
 };
 
 static const vpx_prob
-default_inter_ext_tx_prob[EXT_TX_SIZES][EXT_TX_TYPES - 1] = {
+default_inter_tx_type_prob[EXT_TX_SIZES][TX_TYPES - 1] = {
   {  12, 112,  16, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
     128 },
   {  12, 112,  16, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
@@ -345,7 +345,7 @@
 };
 
 static const vpx_prob
-default_intra_ext_tx_prob[EXT_TX_SIZES][INTRA_MODES][EXT_TX_TYPES - 1] = {
+default_intra_tx_type_prob[EXT_TX_SIZES][INTRA_MODES][TX_TYPES - 1] = {
     {
         {   8,  11,  24, 112,  87, 137, 127, 134,
           128,  86, 128, 124, 125, 133, 176, 123, },
@@ -428,8 +428,8 @@
   vp10_copy(fc->skip_probs, default_skip_probs);
   vp10_copy(fc->inter_mode_probs, default_inter_mode_probs);
 #if CONFIG_EXT_TX
-  vp10_copy(fc->inter_ext_tx_prob, default_inter_ext_tx_prob);
-  vp10_copy(fc->intra_ext_tx_prob, default_intra_ext_tx_prob);
+  vp10_copy(fc->inter_tx_type_prob, default_inter_tx_type_prob);
+  vp10_copy(fc->intra_tx_type_prob, default_intra_tx_type_prob);
 #endif  // CONFIG_EXT_TX
 }
 
@@ -513,13 +513,13 @@
 
 #if CONFIG_EXT_TX
   for (i = TX_4X4; i <= TX_16X16; ++i) {
-    vpx_tree_merge_probs(vp10_ext_tx_tree, pre_fc->inter_ext_tx_prob[i],
-                         counts->inter_ext_tx[i], fc->inter_ext_tx_prob[i]);
+    vpx_tree_merge_probs(vp10_tx_type_tree, pre_fc->inter_tx_type_prob[i],
+                         counts->inter_tx_type[i], fc->inter_tx_type_prob[i]);
 
     for (j = 0; j < INTRA_MODES; ++j)
-      vpx_tree_merge_probs(vp10_ext_tx_tree, pre_fc->intra_ext_tx_prob[i][j],
-                           counts->intra_ext_tx[i][j],
-                           fc->intra_ext_tx_prob[i][j]);
+      vpx_tree_merge_probs(vp10_tx_type_tree, pre_fc->intra_tx_type_prob[i][j],
+                           counts->intra_tx_type[i][j],
+                           fc->intra_tx_type_prob[i][j]);
   }
 #endif  // CONFIG_EXT_TX
 }
diff --git a/vp10/common/entropymode.h b/vp10/common/entropymode.h
index edd9b3a..f595bd8 100644
--- a/vp10/common/entropymode.h
+++ b/vp10/common/entropymode.h
@@ -57,8 +57,8 @@
   vpx_prob skip_probs[SKIP_CONTEXTS];
   nmv_context nmvc;
 #if CONFIG_EXT_TX
-  vpx_prob inter_ext_tx_prob[EXT_TX_SIZES][EXT_TX_TYPES - 1];
-  vpx_prob intra_ext_tx_prob[EXT_TX_SIZES][INTRA_MODES][EXT_TX_TYPES - 1];
+  vpx_prob inter_tx_type_prob[EXT_TX_SIZES][TX_TYPES - 1];
+  vpx_prob intra_tx_type_prob[EXT_TX_SIZES][INTRA_MODES][TX_TYPES - 1];
 #endif  // CONFIG_EXT_TX
   int initialized;
 } FRAME_CONTEXT;
@@ -81,8 +81,8 @@
   unsigned int skip[SKIP_CONTEXTS][2];
   nmv_context_counts mv;
 #if CONFIG_EXT_TX
-  unsigned int inter_ext_tx[EXT_TX_SIZES][EXT_TX_TYPES];
-  unsigned int intra_ext_tx[EXT_TX_SIZES][INTRA_MODES][EXT_TX_TYPES];
+  unsigned int inter_tx_type[EXT_TX_SIZES][TX_TYPES];
+  unsigned int intra_tx_type[EXT_TX_SIZES][INTRA_MODES][TX_TYPES];
 #endif  // CONFIG_EXT_TX
 } FRAME_COUNTS;
 
@@ -109,7 +109,7 @@
                                     unsigned int (*ct_8x8p)[2]);
 
 #if CONFIG_EXT_TX
-extern const vpx_tree_index vp10_ext_tx_tree[TREE_SIZE(EXT_TX_TYPES)];
+extern const vpx_tree_index vp10_tx_type_tree[TREE_SIZE(TX_TYPES)];
 #endif  // CONFIG_EXT_TX
 
 #ifdef __cplusplus
diff --git a/vp10/common/enums.h b/vp10/common/enums.h
index db59bd6..1642bbe 100644
--- a/vp10/common/enums.h
+++ b/vp10/common/enums.h
@@ -114,26 +114,6 @@
 
 #if CONFIG_EXT_TX
 #define EXT_TX_SIZES   3  // number of sizes that use extended transforms
-typedef enum {
-  NORM = 0,
-  ALT1 = 1,
-  ALT2 = 2,
-  ALT3 = 3,
-  ALT4 = 4,
-  ALT5 = 5,
-  ALT6 = 6,
-  ALT7 = 7,
-  ALT8 = 8,
-  ALT9 = 9,
-  ALT10 = 10,
-  ALT11 = 11,
-  ALT12 = 12,
-  ALT13 = 13,
-  ALT14 = 14,
-  ALT15 = 15,
-  ALT16 = 16,
-  EXT_TX_TYPES
-} EXT_TX_TYPE;
 #endif  // CONFIG_EXT_TX
 
 typedef enum {
diff --git a/vp10/decoder/decodeframe.c b/vp10/decoder/decodeframe.c
index 4797d32..fa431e0 100644
--- a/vp10/decoder/decodeframe.c
+++ b/vp10/decoder/decodeframe.c
@@ -2073,15 +2073,15 @@
   int i, j, k;
   if (vpx_read(r, GROUP_DIFF_UPDATE_PROB)) {
     for (i = TX_4X4; i <= TX_16X16; ++i)
-      for (j = 0; j < EXT_TX_TYPES - 1; ++j)
-        vp10_diff_update_prob(r, &fc->inter_ext_tx_prob[i][j]);
+      for (j = 0; j < TX_TYPES - 1; ++j)
+        vp10_diff_update_prob(r, &fc->inter_tx_type_prob[i][j]);
   }
 
   if (vpx_read(r, GROUP_DIFF_UPDATE_PROB)) {
     for (i = TX_4X4; i <= TX_16X16; ++i)
       for (j = 0; j < INTRA_MODES; ++j)
-        for (k = 0; k < EXT_TX_TYPES - 1; ++k)
-          vp10_diff_update_prob(r, &fc->intra_ext_tx_prob[i][j][k]);
+        for (k = 0; k < TX_TYPES - 1; ++k)
+          vp10_diff_update_prob(r, &fc->intra_tx_type_prob[i][j][k]);
   }
 }
 #endif  // CONFIG_EXT_TX
diff --git a/vp10/decoder/decodemv.c b/vp10/decoder/decodemv.c
index beb29a0..5404e8a 100644
--- a/vp10/decoder/decodemv.c
+++ b/vp10/decoder/decodemv.c
@@ -249,11 +249,11 @@
     if (mbmi->tx_size <= TX_16X16 && cm->base_qindex > 0 &&
         mbmi->sb_type >= BLOCK_8X8 && !mbmi->skip &&
         !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
-      mbmi->ext_txfrm =
-          vpx_read_tree(r, vp10_ext_tx_tree,
-                        cm->fc->intra_ext_tx_prob[mbmi->tx_size][mbmi->mode]);
+      mbmi->tx_type =
+          vpx_read_tree(r, vp10_tx_type_tree,
+                        cm->fc->intra_tx_type_prob[mbmi->tx_size][mbmi->mode]);
     } else {
-      mbmi->ext_txfrm = NORM;
+      mbmi->tx_type = DCT_DCT;
     }
 #endif  // CONFIG_EXT_TX
 }
@@ -620,22 +620,22 @@
       FRAME_COUNTS *counts = xd->counts;
 
       if (inter_block)
-        mbmi->ext_txfrm =
-            vpx_read_tree(r, vp10_ext_tx_tree,
-                          cm->fc->inter_ext_tx_prob[mbmi->tx_size]);
+        mbmi->tx_type =
+            vpx_read_tree(r, vp10_tx_type_tree,
+                          cm->fc->inter_tx_type_prob[mbmi->tx_size]);
       else
-        mbmi->ext_txfrm =
-            vpx_read_tree(r, vp10_ext_tx_tree,
-                          cm->fc->intra_ext_tx_prob[mbmi->tx_size][mbmi->mode]);
+        mbmi->tx_type = vpx_read_tree(r, vp10_tx_type_tree,
+                                      cm->fc->intra_tx_type_prob
+                                      [mbmi->tx_size][mbmi->mode]);
 
       if (counts) {
         if (inter_block)
-          ++counts->inter_ext_tx[mbmi->tx_size][mbmi->ext_txfrm];
+          ++counts->inter_tx_type[mbmi->tx_size][mbmi->tx_type];
         else
-          ++counts->intra_ext_tx[mbmi->tx_size][mbmi->mode][mbmi->ext_txfrm];
+          ++counts->intra_tx_type[mbmi->tx_size][mbmi->mode][mbmi->tx_type];
       }
     } else {
-      mbmi->ext_txfrm = NORM;
+      mbmi->tx_type = DCT_DCT;
     }
 #endif  // CONFIG_EXT_TX
 }
diff --git a/vp10/encoder/bitstream.c b/vp10/encoder/bitstream.c
index f8c274e..ccb289d2 100644
--- a/vp10/encoder/bitstream.c
+++ b/vp10/encoder/bitstream.c
@@ -46,12 +46,12 @@
   {{2, 2}, {6, 3}, {0, 1}, {7, 3}};
 
 #if CONFIG_EXT_TX
-static struct vp10_token ext_tx_encodings[EXT_TX_TYPES];
+static struct vp10_token tx_type_encodings[TX_TYPES];
 #endif  // CONFIG_EXT_TX
 
 void vp10_encode_token_init() {
 #if CONFIG_EXT_TX
-  vp10_tokens_from_tree(ext_tx_encodings, vp10_ext_tx_tree);
+  vp10_tokens_from_tree(tx_type_encodings, vp10_tx_type_tree);
 #endif  // CONFIG_EXT_TX
 }
 
@@ -169,15 +169,15 @@
   int do_update = 0;
   for (i = TX_4X4; i <= TX_16X16; ++i) {
     savings += prob_diff_update_savings(
-        vp10_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
-        cm->counts.inter_ext_tx[i], EXT_TX_TYPES);
+        vp10_tx_type_tree, cm->fc->inter_tx_type_prob[i],
+        cm->counts.inter_tx_type[i], TX_TYPES);
   }
   do_update = savings > savings_thresh;
   vpx_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
   if (do_update) {
     for (i = TX_4X4; i <= TX_16X16; ++i) {
-      prob_diff_update(vp10_ext_tx_tree, cm->fc->inter_ext_tx_prob[i],
-                       cm->counts.inter_ext_tx[i], EXT_TX_TYPES, w);
+      prob_diff_update(vp10_tx_type_tree, cm->fc->inter_tx_type_prob[i],
+                       cm->counts.inter_tx_type[i], TX_TYPES, w);
     }
   }
 
@@ -187,15 +187,15 @@
   for (i = TX_4X4; i <= TX_16X16; ++i)
     for (j = 0; j < INTRA_MODES; ++j)
       savings += prob_diff_update_savings(
-          vp10_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
-          cm->counts.intra_ext_tx[i][j], EXT_TX_TYPES);
+          vp10_tx_type_tree, cm->fc->intra_tx_type_prob[i][j],
+          cm->counts.intra_tx_type[i][j], TX_TYPES);
   do_update = savings > savings_thresh;
   vpx_write(w, do_update, GROUP_DIFF_UPDATE_PROB);
   if (do_update) {
     for (i = TX_4X4; i <= TX_16X16; ++i)
       for (j = 0; j < INTRA_MODES; ++j)
-        prob_diff_update(vp10_ext_tx_tree, cm->fc->intra_ext_tx_prob[i][j],
-                         cm->counts.intra_ext_tx[i][j], EXT_TX_TYPES, w);
+        prob_diff_update(vp10_tx_type_tree, cm->fc->intra_tx_type_prob[i][j],
+                         cm->counts.intra_tx_type[i][j], TX_TYPES, w);
   }
 }
 #endif  // CONFIG_EXT_TX
@@ -423,13 +423,13 @@
       bsize >= BLOCK_8X8 && !mbmi->skip &&
       !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
     if (is_inter)
-      vp10_write_token(w, vp10_ext_tx_tree,
-                       cm->fc->inter_ext_tx_prob[mbmi->tx_size],
-                       &ext_tx_encodings[mbmi->ext_txfrm]);
+      vp10_write_token(w, vp10_tx_type_tree,
+                       cm->fc->inter_tx_type_prob[mbmi->tx_size],
+                       &tx_type_encodings[mbmi->tx_type]);
     else
-      vp10_write_token(w, vp10_ext_tx_tree,
-                       cm->fc->intra_ext_tx_prob[mbmi->tx_size][mbmi->mode],
-                       &ext_tx_encodings[mbmi->ext_txfrm]);
+      vp10_write_token(w, vp10_tx_type_tree,
+                       cm->fc->intra_tx_type_prob[mbmi->tx_size][mbmi->mode],
+                       &tx_type_encodings[mbmi->tx_type]);
   }
 #endif  // CONFIG_EXT_TX
 }
@@ -473,9 +473,9 @@
   if (mbmi->tx_size <= TX_16X16 && cm->base_qindex > 0 &&
       bsize >= BLOCK_8X8 && !mbmi->skip &&
       !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
-    vp10_write_token(w, vp10_ext_tx_tree,
-                     cm->fc->intra_ext_tx_prob[mbmi->tx_size][mbmi->mode],
-                     &ext_tx_encodings[mbmi->ext_txfrm]);
+    vp10_write_token(w, vp10_tx_type_tree,
+                     cm->fc->intra_tx_type_prob[mbmi->tx_size][mbmi->mode],
+                     &tx_type_encodings[mbmi->tx_type]);
   }
 #endif  // CONFIG_EXT_TX
 }
diff --git a/vp10/encoder/encodeframe.c b/vp10/encoder/encodeframe.c
index 356baf5..c8d7f41 100644
--- a/vp10/encoder/encodeframe.c
+++ b/vp10/encoder/encodeframe.c
@@ -2993,9 +2993,9 @@
         bsize >= BLOCK_8X8 && !mbmi->skip &&
         !segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
       if (is_inter_block(mbmi))
-        ++td->counts->inter_ext_tx[mbmi->tx_size][mbmi->ext_txfrm];
+        ++td->counts->inter_tx_type[mbmi->tx_size][mbmi->tx_type];
       else
-        ++td->counts->intra_ext_tx[mbmi->tx_size][mbmi->mode][mbmi->ext_txfrm];
+        ++td->counts->intra_tx_type[mbmi->tx_size][mbmi->mode][mbmi->tx_type];
     }
 #endif  // CONFIG_EXT_TX
   }
diff --git a/vp10/encoder/encoder.h b/vp10/encoder/encoder.h
index 0f8076d..73d8b97 100644
--- a/vp10/encoder/encoder.h
+++ b/vp10/encoder/encoder.h
@@ -459,8 +459,8 @@
   int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
   int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
 #if CONFIG_EXT_TX
-  int inter_ext_tx_costs[EXT_TX_SIZES][EXT_TX_TYPES];
-  int intra_ext_tx_costs[EXT_TX_SIZES][INTRA_MODES][EXT_TX_TYPES];
+  int inter_tx_type_costs[EXT_TX_SIZES][TX_TYPES];
+  int intra_tx_type_costs[EXT_TX_SIZES][INTRA_MODES][TX_TYPES];
 #endif  // CONFIG_EXT_TX
 
   int multi_arf_allowed;
diff --git a/vp10/encoder/rd.c b/vp10/encoder/rd.c
index 2b549af..b44def9 100644
--- a/vp10/encoder/rd.c
+++ b/vp10/encoder/rd.c
@@ -86,11 +86,11 @@
                     fc->switchable_interp_prob[i], vp10_switchable_interp_tree);
 #if CONFIG_EXT_TX
   for (i = TX_4X4; i <= TX_16X16; ++i) {
-    vp10_cost_tokens(cpi->inter_ext_tx_costs[i], fc->inter_ext_tx_prob[i],
-                     vp10_ext_tx_tree);
+    vp10_cost_tokens(cpi->inter_tx_type_costs[i], fc->inter_tx_type_prob[i],
+                     vp10_tx_type_tree);
     for (j = 0; j < INTRA_MODES; ++j)
-      vp10_cost_tokens(cpi->intra_ext_tx_costs[i][j],
-                       fc->intra_ext_tx_prob[i][j], vp10_ext_tx_tree);
+      vp10_cost_tokens(cpi->intra_tx_type_costs[i][j],
+                       fc->intra_tx_type_prob[i][j], vp10_tx_type_tree);
   }
 #endif  // CONFIG_EXT_TX
 }
diff --git a/vp10/encoder/rdopt.c b/vp10/encoder/rdopt.c
index bec1103..5535106 100644
--- a/vp10/encoder/rdopt.c
+++ b/vp10/encoder/rdopt.c
@@ -591,7 +591,7 @@
   MACROBLOCKD *const xd = &x->e_mbd;
   MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
 #if CONFIG_EXT_TX
-  int tx_type, best_tx_type = NORM;
+  int tx_type, best_tx_type = DCT_DCT;
   int r, s;
   int64_t d, psse, this_rd, best_rd = INT64_MAX;
   vpx_prob skip_prob = vp10_get_skip_prob(cm, xd);
@@ -602,16 +602,16 @@
   mbmi->tx_size = VPXMIN(max_tx_size, largest_tx_size);
 #if CONFIG_EXT_TX
   if (is_inter_block(mbmi) && bs >= BLOCK_8X8 && !xd->lossless) {
-    for (tx_type = NORM; tx_type < EXT_TX_TYPES - 1; ++tx_type) {
-      if (mbmi->ext_txfrm >= ALT11 && mbmi->ext_txfrm < ALT16 &&
-          best_tx_type == NORM) {
-        tx_type = ALT16 - 1;
+    for (tx_type = DCT_DCT; tx_type < TX_TYPES - 1; ++tx_type) {
+      if (mbmi->tx_type >= DST_ADST && mbmi->tx_type < IDTX &&
+          best_tx_type == DCT_DCT) {
+        tx_type = IDTX - 1;
         continue;
       }
-      if (tx_type >= GET_EXT_TX_TYPES(mbmi->tx_size))
+      if (tx_type >= GET_TX_TYPES(mbmi->tx_size))
         continue;
 
-      mbmi->ext_txfrm = tx_type;
+      mbmi->tx_type = tx_type;
       txfm_rd_in_plane(x, &r, &d, &s,
                        &psse, ref_best_rd, 0, bs, mbmi->tx_size,
                        cpi->sf.use_fast_coef_costing);
@@ -620,10 +620,10 @@
         continue;
       if (mbmi->tx_size <= TX_16X16) {
         if (is_inter_block(mbmi))
-          r += cpi->inter_ext_tx_costs[mbmi->tx_size][mbmi->ext_txfrm];
+          r += cpi->inter_tx_type_costs[mbmi->tx_size][mbmi->tx_type];
         else
-          r += cpi->intra_ext_tx_costs[mbmi->tx_size]
-                                       [mbmi->mode][mbmi->ext_txfrm];
+          r += cpi->intra_tx_type_costs[mbmi->tx_size]
+                                        [mbmi->mode][mbmi->tx_type];
       }
 
       if (s)
@@ -633,14 +633,14 @@
       if (is_inter_block(mbmi) && !xd->lossless && !s)
         this_rd = VPXMIN(this_rd, RDCOST(x->rdmult, x->rddiv, s1, psse));
 
-      if (this_rd < ((best_tx_type == NORM) ? ext_tx_th : 1) * best_rd) {
+      if (this_rd < ((best_tx_type == DCT_DCT) ? ext_tx_th : 1) * best_rd) {
         best_rd = this_rd;
-        best_tx_type = mbmi->ext_txfrm;
+        best_tx_type = mbmi->tx_type;
       }
     }
   }
 
-  mbmi->ext_txfrm = best_tx_type;
+  mbmi->tx_type = best_tx_type;
 #endif  // CONFIG_EXT_TX
 
   txfm_rd_in_plane(x, rate, distortion, skip,
@@ -651,10 +651,10 @@
   if (bs >= BLOCK_8X8 && mbmi->tx_size <= TX_16X16 &&
       !xd->lossless && *rate != INT_MAX) {
     if (is_inter_block(mbmi))
-      *rate += cpi->inter_ext_tx_costs[mbmi->tx_size][mbmi->ext_txfrm];
+      *rate += cpi->inter_tx_type_costs[mbmi->tx_size][mbmi->tx_type];
     else
-      *rate += cpi->intra_ext_tx_costs[mbmi->tx_size]
-                                       [mbmi->mode][mbmi->ext_txfrm];
+      *rate += cpi->intra_tx_type_costs[mbmi->tx_size]
+                                        [mbmi->mode][mbmi->tx_type];
   }
 #endif  // CONFIG_EXT_TX
 }
@@ -681,7 +681,7 @@
   int start_tx, end_tx;
   const int tx_select = cm->tx_mode == TX_MODE_SELECT;
 #if CONFIG_EXT_TX
-  int tx_type, best_tx_type = NORM;
+  int tx_type, best_tx_type = DCT_DCT;
   int start_tx_type, end_tx_type;
 #endif  // CONFIG_EXT_TX
 
@@ -706,18 +706,18 @@
   *psse       = INT64_MAX;
 
 #if CONFIG_EXT_TX
-  start_tx_type = NORM;
+  start_tx_type = DCT_DCT;
   if (bs >= BLOCK_8X8 && !xd->lossless)
-    end_tx_type = EXT_TX_TYPES - 1;
+    end_tx_type = TX_TYPES - 1;
   else
-    end_tx_type = NORM;
+    end_tx_type = DCT_DCT;
 
   for (tx_type = start_tx_type; tx_type <= end_tx_type; ++tx_type) {
-    mbmi->ext_txfrm = tx_type;
+    mbmi->tx_type = tx_type;
     // TODO(huisu): clean up the logic.
-    if (mbmi->ext_txfrm >= ALT11 && mbmi->ext_txfrm < ALT16 &&
-        best_tx_type == NORM) {
-      tx_type = ALT16 - 1;
+    if (mbmi->tx_type >= DST_ADST && mbmi->tx_type < IDTX &&
+        best_tx_type == DCT_DCT) {
+      tx_type = IDTX - 1;
       continue;
     }
 #endif  // CONFIG_EXT_TX
@@ -725,7 +725,7 @@
       int r_tx_size = 0;
 
 #if CONFIG_EXT_TX
-      if (mbmi->ext_txfrm >= GET_EXT_TX_TYPES(n))
+      if (mbmi->tx_type >= GET_TX_TYPES(n))
         continue;
 #endif  // CONFIG_EXT_TX
 
@@ -742,9 +742,9 @@
 #if CONFIG_EXT_TX
       if (bs >= BLOCK_8X8 && !xd->lossless && r != INT_MAX && n < TX_32X32) {
         if (is_inter_block(mbmi))
-          r += cpi->inter_ext_tx_costs[n][mbmi->ext_txfrm];
+          r += cpi->inter_tx_type_costs[n][mbmi->tx_type];
         else
-          r += cpi->intra_ext_tx_costs[n][mbmi->mode][mbmi->ext_txfrm];
+          r += cpi->intra_tx_type_costs[n][mbmi->mode][mbmi->tx_type];
       }
 #endif  // CONFIG_EXT_TX
 
@@ -778,7 +778,8 @@
 
       last_rd = rd;
 #if CONFIG_EXT_TX
-      if (rd < (is_inter_block(mbmi) && best_tx_type == NORM ? ext_tx_th : 1) *
+      if (rd <
+          (is_inter_block(mbmi) && best_tx_type == DCT_DCT ? ext_tx_th : 1) *
           best_rd) {
 #else
       if (rd < best_rd) {
@@ -790,7 +791,7 @@
         *skip       = s;
         *psse       = sse;
 #if CONFIG_EXT_TX
-        best_tx_type = mbmi->ext_txfrm;
+        best_tx_type = mbmi->tx_type;
 #endif  // CONFIG_EXT_TX
       }
     }
@@ -800,7 +801,7 @@
 
   mbmi->tx_size = best_tx;
 #if CONFIG_EXT_TX
-  mbmi->ext_txfrm = best_tx_type;
+  mbmi->tx_type = best_tx_type;
   txfm_rd_in_plane(x, &r, &d, &s,
                    &sse, ref_best_rd, 0, bs, best_tx,
                    cpi->sf.use_fast_coef_costing);
@@ -1154,7 +1155,7 @@
   int64_t this_distortion, this_rd;
   TX_SIZE best_tx = TX_4X4;
 #if CONFIG_EXT_TX
-  EXT_TX_TYPE best_tx_type = NORM;
+  TX_TYPE best_tx_type = DCT_DCT;
 #endif  // CONFIG_EXT_TX
   int *bmode_costs;
   const MODE_INFO *above_mi = xd->above_mi;
@@ -1182,7 +1183,7 @@
       best_rd         = this_rd;
       best_tx         = mic->mbmi.tx_size;
 #if CONFIG_EXT_TX
-      best_tx_type    = mic->mbmi.ext_txfrm;
+      best_tx_type    = mic->mbmi.tx_type;
 #endif  // CONFIG_EXT_TX
       *rate           = this_rate;
       *rate_tokenonly = this_rate_tokenonly;
@@ -1194,7 +1195,7 @@
   mic->mbmi.mode = mode_selected;
   mic->mbmi.tx_size = best_tx;
 #if CONFIG_EXT_TX
-  mic->mbmi.ext_txfrm = best_tx_type;
+  mic->mbmi.tx_type = best_tx_type;
 #endif  // CONFIG_EXT_TX
 
   return best_rd;