Merge cnvcontext experiment.

Change-Id: I35e64998b25694a3bb4a62164bba3c03c1db4bc7
diff --git a/configure b/configure
index 2219539..f5b45d0 100755
--- a/configure
+++ b/configure
@@ -242,8 +242,6 @@
     implicit_segmentation
     newbintramodes
     comp_interintra_pred
-    tx64x64
-    cnvcontext
     enable_6tap
     abovesprefmv
 "
diff --git a/vp9/decoder/vp9_detokenize.c b/vp9/decoder/vp9_detokenize.c
index 91042c4..599c5bb 100644
--- a/vp9/decoder/vp9_detokenize.c
+++ b/vp9/decoder/vp9_detokenize.c
@@ -110,15 +110,12 @@
     case TX_8X8:
       coef_probs  = fc->coef_probs_8x8;
       coef_counts = fc->coef_counts_8x8;
-#if CONFIG_CNVCONTEXT
       above_ec = (A0[aidx] + A0[aidx + 1]) != 0;
       left_ec  = (L0[lidx] + L0[lidx + 1]) != 0;
-#endif
       break;
     case TX_16X16:
       coef_probs  = fc->coef_probs_16x16;
       coef_counts = fc->coef_counts_16x16;
-#if CONFIG_CNVCONTEXT
       if (type == PLANE_TYPE_UV) {
         ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
         ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
@@ -128,12 +125,10 @@
         above_ec = (A0[aidx] + A0[aidx + 1] + A0[aidx + 2] + A0[aidx + 3]) != 0;
         left_ec  = (L0[lidx] + L0[lidx + 1] + L0[lidx + 2] + L0[lidx + 3]) != 0;
       }
-#endif
       break;
     case TX_32X32:
       coef_probs = fc->coef_probs_32x32;
       coef_counts = fc->coef_counts_32x32;
-#if CONFIG_CNVCONTEXT
       if (type == PLANE_TYPE_UV) {
         ENTROPY_CONTEXT *A1 = (ENTROPY_CONTEXT *) (xd->above_context + 1);
         ENTROPY_CONTEXT *L1 = (ENTROPY_CONTEXT *) (xd->left_context + 1);
@@ -153,7 +148,6 @@
         left_ec  = (L0[lidx] + L0[lidx + 1] + L0[lidx + 2] + L0[lidx + 3] +
                     L1[lidx] + L1[lidx + 1] + L1[lidx + 2] + L1[lidx + 3]) != 0;
       }
-#endif
       break;
   }
 
diff --git a/vp9/encoder/vp9_encodemb.c b/vp9/encoder/vp9_encodemb.c
index 9ff5dd9..043029a 100644
--- a/vp9/encoder/vp9_encodemb.c
+++ b/vp9/encoder/vp9_encodemb.c
@@ -597,13 +597,8 @@
   for (b = 0; b < 16; b += 4) {
     ENTROPY_CONTEXT *const a = ta + vp9_block2above[TX_8X8][b];
     ENTROPY_CONTEXT *const l = tl + vp9_block2left[TX_8X8][b];
-#if CONFIG_CNVCONTEXT
     ENTROPY_CONTEXT above_ec = (a[0] + a[1]) != 0;
     ENTROPY_CONTEXT left_ec = (l[0] + l[1]) != 0;
-#else
-    ENTROPY_CONTEXT above_ec = a[0];
-    ENTROPY_CONTEXT left_ec = l[0];
-#endif
     optimize_b(x, b, PLANE_TYPE_Y_WITH_DC, &above_ec, &left_ec, TX_8X8);
     a[1] = a[0] = above_ec;
     l[1] = l[0] = left_ec;
@@ -621,13 +616,8 @@
   for (b = 16; b < 24; b += 4) {
     ENTROPY_CONTEXT *const a = ta + vp9_block2above[TX_8X8][b];
     ENTROPY_CONTEXT *const l = tl + vp9_block2left[TX_8X8][b];
-#if CONFIG_CNVCONTEXT
     ENTROPY_CONTEXT above_ec = (a[0] + a[1]) != 0;
     ENTROPY_CONTEXT left_ec = (l[0] + l[1]) != 0;
-#else
-    ENTROPY_CONTEXT above_ec = a[0];
-    ENTROPY_CONTEXT left_ec = l[0];
-#endif
     optimize_b(x, b, PLANE_TYPE_UV, &above_ec, &left_ec, TX_8X8);
   }
 }
@@ -645,13 +635,8 @@
   if (!t_above || !t_left)
     return;
 
-#if CONFIG_CNVCONTEXT
   ta = (t_above->y1[0] + t_above->y1[1] + t_above->y1[2] + t_above->y1[3]) != 0;
   tl = (t_left->y1[0] + t_left->y1[1] + t_left->y1[2] + t_left->y1[3]) != 0;
-#else
-  ta = t_above->y1[0];
-  tl = t_left->y1[0];
-#endif
   optimize_b(x, 0, PLANE_TYPE_Y_WITH_DC, &ta, &tl, TX_16X16);
 }
 
diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c
index fc5be31..1127660 100644
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -402,12 +402,10 @@
   unsigned int (*token_costs)[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS] =
       mb->token_costs[tx_size][type][ref];
   ENTROPY_CONTEXT a_ec = *a, l_ec = *l;
-#if CONFIG_CNVCONTEXT
   ENTROPY_CONTEXT *const a1 = a +
       sizeof(ENTROPY_CONTEXT_PLANES)/sizeof(ENTROPY_CONTEXT);
   ENTROPY_CONTEXT *const l1 = l +
       sizeof(ENTROPY_CONTEXT_PLANES)/sizeof(ENTROPY_CONTEXT);
-#endif
 
   switch (tx_size) {
     case TX_4X4:
@@ -422,10 +420,8 @@
       }
       break;
     case TX_8X8:
-#if CONFIG_CNVCONTEXT
       a_ec = (a[0] + a[1]) != 0;
       l_ec = (l[0] + l[1]) != 0;
-#endif
       scan = vp9_default_zig_zag1d_8x8;
       seg_eob = 64;
       break;
@@ -435,25 +431,21 @@
       if (type == PLANE_TYPE_UV) {
         const int uv_idx = ib - 16;
         qcoeff_ptr = xd->sb_coeff_data.qcoeff + 1024 + 64 * uv_idx;
-#if CONFIG_CNVCONTEXT
         a_ec = (a[0] + a[1] + a1[0] + a1[1]) != 0;
         l_ec = (l[0] + l[1] + l1[0] + l1[1]) != 0;
       } else {
         a_ec = (a[0] + a[1] + a[2] + a[3]) != 0;
         l_ec = (l[0] + l[1] + l[2] + l[3]) != 0;
-#endif
       }
       break;
     case TX_32X32:
       scan = vp9_default_zig_zag1d_32x32;
       seg_eob = 1024;
       qcoeff_ptr = xd->sb_coeff_data.qcoeff;
-#if CONFIG_CNVCONTEXT
       a_ec = (a[0] + a[1] + a[2] + a[3] +
               a1[0] + a1[1] + a1[2] + a1[3]) != 0;
       l_ec = (l[0] + l[1] + l[2] + l[3] +
               l1[0] + l1[1] + l1[2] + l1[3]) != 0;
-#endif
       break;
     default:
       abort();
@@ -482,7 +474,6 @@
   // is eob first coefficient;
   pt = (c > 0);
   *a = *l = pt;
-#if CONFIG_CNVCONTEXT
   if (tx_size >= TX_8X8) {
     a[1] = l[1] = pt;
     if (tx_size >= TX_16X16) {
@@ -497,7 +488,6 @@
       }
     }
   }
-#endif
   return cost;
 }
 
diff --git a/vp9/encoder/vp9_tokenize.c b/vp9/encoder/vp9_tokenize.c
index 8efc976..1b07359 100644
--- a/vp9/encoder/vp9_tokenize.c
+++ b/vp9/encoder/vp9_tokenize.c
@@ -145,17 +145,14 @@
       probs = cpi->common.fc.coef_probs_4x4;
       break;
     case TX_8X8:
-#if CONFIG_CNVCONTEXT
       a_ec = (a[0] + a[1]) != 0;
       l_ec = (l[0] + l[1]) != 0;
-#endif
       seg_eob = 64;
       scan = vp9_default_zig_zag1d_8x8;
       counts = cpi->coef_counts_8x8;
       probs = cpi->common.fc.coef_probs_8x8;
       break;
     case TX_16X16:
-#if CONFIG_CNVCONTEXT
       if (type != PLANE_TYPE_UV) {
         a_ec = (a[0] + a[1] + a[2] + a[3]) != 0;
         l_ec = (l[0] + l[1] + l[2] + l[3]) != 0;
@@ -163,7 +160,6 @@
         a_ec = (a[0] + a[1] + a1[0] + a1[1]) != 0;
         l_ec = (l[0] + l[1] + l1[0] + l1[1]) != 0;
       }
-#endif
       seg_eob = 256;
       scan = vp9_default_zig_zag1d_16x16;
       counts = cpi->coef_counts_16x16;
@@ -174,14 +170,12 @@
       }
       break;
     case TX_32X32:
-#if CONFIG_CNVCONTEXT
       a_ec = a[0] + a[1] + a[2] + a[3] +
              a1[0] + a1[1] + a1[2] + a1[3];
       l_ec = l[0] + l[1] + l[2] + l[3] +
              l1[0] + l1[1] + l1[2] + l1[3];
       a_ec = a_ec != 0;
       l_ec = l_ec != 0;
-#endif
       seg_eob = 1024;
       scan = vp9_default_zig_zag1d_32x32;
       counts = cpi->coef_counts_32x32;
@@ -635,15 +629,12 @@
       probs = cpi->common.fc.coef_probs_4x4;
       break;
     case TX_8X8:
-#if CONFIG_CNVCONTEXT
       a_ec = (a[0] + a[1]) != 0;
       l_ec = (l[0] + l[1]) != 0;
-#endif
       counts = cpi->coef_counts_8x8;
       probs = cpi->common.fc.coef_probs_8x8;
       break;
     case TX_16X16:
-#if CONFIG_CNVCONTEXT
       if (type != PLANE_TYPE_UV) {
         a_ec = (a[0] + a[1] + a[2] + a[3]) != 0;
         l_ec = (l[0] + l[1] + l[2] + l[3]) != 0;
@@ -651,19 +642,16 @@
         a_ec = (a[0] + a[1] + a1[0] + a1[1]) != 0;
         l_ec = (l[0] + l[1] + l1[0] + l1[1]) != 0;
       }
-#endif
       counts = cpi->coef_counts_16x16;
       probs = cpi->common.fc.coef_probs_16x16;
       break;
     case TX_32X32:
-#if CONFIG_CNVCONTEXT
       a_ec = a[0] + a[1] + a[2] + a[3] +
              a1[0] + a1[1] + a1[2] + a1[3];
       l_ec = l[0] + l[1] + l[2] + l[3] +
              l1[0] + l1[1] + l1[2] + l1[3];
       a_ec = a_ec != 0;
       l_ec = l_ec != 0;
-#endif
       counts = cpi->coef_counts_32x32;
       probs = cpi->common.fc.coef_probs_32x32;
       break;