Move daala_fdct64() / daala_idct64() into daala_tx.c.

This commit has no impact on metrics.

Change-Id: I29e927e64938a5a88bf6b359774f92719df2a4af
diff --git a/aom_dsp/inv_txfm.c b/aom_dsp/inv_txfm.c
index 801366c..6b7c1c2 100644
--- a/aom_dsp/inv_txfm.c
+++ b/aom_dsp/inv_txfm.c
@@ -1390,17 +1390,6 @@
   }
 }
 
-#if CONFIG_TX64X64 && CONFIG_DAALA_DCT64
-void aom_idct64_c(const tran_low_t *input, tran_low_t *output) {
-  int i;
-  od_coeff x[64];
-  od_coeff y[64];
-  for (i = 0; i < 64; i++) y[i] = (od_coeff)input[i];
-  od_bin_idct64(x, 1, y);
-  for (i = 0; i < 64; i++) output[i] = (tran_low_t)x[i];
-}
-#endif
-
 void aom_highbd_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
                                  int stride, int bd) {
   /* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds,
diff --git a/av1/common/daala_tx.c b/av1/common/daala_tx.c
index 834682e..5ae7df0 100644
--- a/av1/common/daala_tx.c
+++ b/av1/common/daala_tx.c
@@ -4232,3 +4232,23 @@
   od_bin_idct32(x, 1, y);
   for (i = 0; i < 32; i++) output[i] = (tran_low_t)x[i];
 }
+
+#if CONFIG_TX64X64
+void daala_fdct64(const tran_low_t *input, tran_low_t *output) {
+  int i;
+  od_coeff x[64];
+  od_coeff y[64];
+  for (i = 0; i < 64; i++) x[i] = (od_coeff)input[i];
+  od_bin_fdct64(y, x, 1);
+  for (i = 0; i < 64; i++) output[i] = (tran_low_t)y[i];
+}
+
+void daala_idct64(const tran_low_t *input, tran_low_t *output) {
+  int i;
+  od_coeff x[64];
+  od_coeff y[64];
+  for (i = 0; i < 64; i++) y[i] = (od_coeff)input[i];
+  od_bin_idct64(x, 1, y);
+  for (i = 0; i < 64; i++) output[i] = (tran_low_t)x[i];
+}
+#endif
diff --git a/av1/common/daala_tx.h b/av1/common/daala_tx.h
index 7c1a8eb..1c3ef41 100644
--- a/av1/common/daala_tx.h
+++ b/av1/common/daala_tx.h
@@ -18,6 +18,10 @@
 void daala_idst16(const tran_low_t *input, tran_low_t *output);
 void daala_fdct32(const tran_low_t *input, tran_low_t *output);
 void daala_idct32(const tran_low_t *input, tran_low_t *output);
+#if CONFIG_TX64X64
+void daala_fdct64(const tran_low_t *input, tran_low_t *output);
+void daala_idct64(const tran_low_t *input, tran_low_t *output);
+#endif
 
 void od_bin_fdct4(od_coeff y[4], const od_coeff *x, int xstride);
 void od_bin_idct4(od_coeff *x, int xstride, const od_coeff y[4]);
diff --git a/av1/common/idct.c b/av1/common/idct.c
index bf6ce76..e2a1ee1 100644
--- a/av1/common/idct.c
+++ b/av1/common/idct.c
@@ -123,14 +123,6 @@
 
 #if CONFIG_TX64X64
 #if CONFIG_DAALA_DCT64
-static void idct64_col_c(const tran_low_t *input, tran_low_t *output) {
-  aom_idct64_c(input, output);
-}
-
-static void idct64_row_c(const tran_low_t *input, tran_low_t *output) {
-  aom_idct64_c(input, output);
-}
-
 static void ihalfright64_c(const tran_low_t *input, tran_low_t *output) {
   int i;
   tran_low_t inputhalf[32];
@@ -141,9 +133,8 @@
   for (i = 0; i < 32; ++i) {
     output[i] = input[32 + i];
   }
-  aom_idct32_c(inputhalf, output + 32);
+  daala_idct32(inputhalf, output + 32);
 }
-
 #else
 static void idct64_col_c(const tran_low_t *input, tran_low_t *output) {
   int32_t in[64], out[64];
@@ -1492,6 +1483,26 @@
   assert(tx_type == DCT_DCT);
 #endif
   static const transform_2d IHT_64[] = {
+#if CONFIG_DAALA_DCT64
+    { daala_idct64, daala_idct64 },      // DCT_DCT
+    { ihalfright64_c, daala_idct64 },    // ADST_DCT
+    { daala_idct64, ihalfright64_c },    // DCT_ADST
+    { ihalfright64_c, ihalfright64_c },  // ADST_ADST
+#if CONFIG_EXT_TX
+    { ihalfright64_c, daala_idct64 },    // FLIPADST_DCT
+    { daala_idct64, ihalfright64_c },    // DCT_FLIPADST
+    { ihalfright64_c, ihalfright64_c },  // FLIPADST_FLIPADST
+    { ihalfright64_c, ihalfright64_c },  // ADST_FLIPADST
+    { ihalfright64_c, ihalfright64_c },  // FLIPADST_ADST
+    { iidtx64_c, iidtx64_c },            // IDTX
+    { daala_idct64, iidtx64_c },         // V_DCT
+    { iidtx64_c, daala_idct64 },         // H_DCT
+    { ihalfright64_c, iidtx64_c },       // V_ADST
+    { iidtx64_c, ihalfright64_c },       // H_ADST
+    { ihalfright64_c, iidtx64_c },       // V_FLIPADST
+    { iidtx64_c, ihalfright64_c },       // H_FLIPADST
+#endif
+#else
     { idct64_col_c, idct64_row_c },      // DCT_DCT
     { ihalfright64_c, idct64_row_c },    // ADST_DCT
     { idct64_col_c, ihalfright64_c },    // DCT_ADST
@@ -1510,6 +1521,7 @@
     { ihalfright64_c, iidtx64_c },       // V_FLIPADST
     { iidtx64_c, ihalfright64_c },       // H_FLIPADST
 #endif
+#endif
   };
 
   int i, j;
diff --git a/av1/encoder/dct.c b/av1/encoder/dct.c
index 43d6780..68d6383 100644
--- a/av1/encoder/dct.c
+++ b/av1/encoder/dct.c
@@ -730,17 +730,6 @@
 }
 
 #ifndef AV1_DCT_GTEST
-#if CONFIG_TX64X64 && CONFIG_DAALA_DCT64
-static void fdct64(const tran_low_t *input, tran_low_t *output) {
-  int i;
-  od_coeff x[64];
-  od_coeff y[64];
-  for (i = 0; i < 64; i++) x[i] = (od_coeff)input[i];
-  od_bin_fdct64(y, x, 1);
-  for (i = 0; i < 64; i++) output[i] = (tran_low_t)y[i];
-}
-#endif
-
 static void fadst4(const tran_low_t *input, tran_low_t *output) {
   tran_high_t x0, x1, x2, x3;
   tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
@@ -2550,18 +2539,10 @@
   for (i = 0; i < 32; ++i) {
     inputhalf[i] = input[i + 32];
   }
-  fdct32(inputhalf, output);
+  daala_fdct32(inputhalf, output);
   // Note overall scaling factor is 2 times unitary
 }
 #endif  // CONFIG_EXT_TX
-
-static void fdct64_col(const tran_low_t *input, tran_low_t *output) {
-  fdct64(input, output);
-}
-
-static void fdct64_row(const tran_low_t *input, tran_low_t *output) {
-  fdct64(input, output);
-}
 #else
 #if CONFIG_EXT_TX
 static void fidtx64(const tran_low_t *input, tran_low_t *output) {
@@ -2613,7 +2594,27 @@
   assert(tx_type == DCT_DCT);
 #endif
   static const transform_2d FHT[] = {
-    { fdct64_col, fdct64_row },  // DCT_DCT
+#if CONFIG_DAALA_DCT64
+    { daala_fdct64, daala_fdct64 },  // DCT_DCT
+#if CONFIG_EXT_TX
+    { fhalfright64, daala_fdct64 },  // ADST_DCT
+    { daala_fdct64, fhalfright64 },  // DCT_ADST
+    { fhalfright64, fhalfright64 },  // ADST_ADST
+    { fhalfright64, daala_fdct64 },  // FLIPADST_DCT
+    { daala_fdct64, fhalfright64 },  // DCT_FLIPADST
+    { fhalfright64, fhalfright64 },  // FLIPADST_FLIPADST
+    { fhalfright64, fhalfright64 },  // ADST_FLIPADST
+    { fhalfright64, fhalfright64 },  // FLIPADST_ADST
+    { fidtx64, fidtx64 },            // IDTX
+    { daala_fdct64, fidtx64 },       // V_DCT
+    { fidtx64, daala_fdct64 },       // H_DCT
+    { fhalfright64, fidtx64 },       // V_ADST
+    { fidtx64, fhalfright64 },       // H_ADST
+    { fhalfright64, fidtx64 },       // V_FLIPADST
+    { fidtx64, fhalfright64 },       // H_FLIPADST
+#endif
+#else
+    { fdct64_col, fdct64_row },      // DCT_DCT
 #if CONFIG_EXT_TX
     { fhalfright64, fdct64_row },    // ADST_DCT
     { fdct64_col, fhalfright64 },    // DCT_ADST
@@ -2631,6 +2632,7 @@
     { fhalfright64, fidtx64 },       // V_FLIPADST
     { fidtx64, fhalfright64 },       // H_FLIPADST
 #endif
+#endif
   };
   const transform_2d ht = FHT[tx_type];
   tran_low_t out[4096];