Avoid dynamic memory allocation

Change-Id: If15d35788bed9a1fcda6ebf7a8173960c7fe7e0e

test/av1_inv_txfm1d_test.cc

diff --git a/test/av1_inv_txfm1d_test.cc b/test/av1_inv_txfm1d_test.cc
index 9cf33a2..9df9506 100644
--- a/test/av1_inv_txfm1d_test.cc
+++ b/test/av1_inv_txfm1d_test.cc
@@ -10,6 +10,7 @@
  */
 
 #include "test/av1_txfm_test.h"
+#include "test/util.h"
 #include "av1/common/av1_fwd_txfm1d.h"
 #include "av1/common/av1_inv_txfm1d.h"
 
@@ -44,8 +45,6 @@
 const int8_t cos_bit[12] = { 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14 };
 const int8_t range_bit[12] = { 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32 };
 
-#define ARRAY_SIZE(x) (int)(sizeof(x) / sizeof(x[0]))
-
 TEST(av1_inv_txfm1d, round_trip) {
   ACMRandom rnd(ACMRandom::DeterministicSeed());
   for (int si = 0; si < ARRAY_SIZE(fwd_txfm_func_ls); ++si) {

test/av1_inv_txfm2d_test.cc

diff --git a/test/av1_inv_txfm2d_test.cc b/test/av1_inv_txfm2d_test.cc
index f137699..5d59e2b 100644
--- a/test/av1_inv_txfm2d_test.cc
+++ b/test/av1_inv_txfm2d_test.cc
@@ -42,16 +42,17 @@
     max_avg_error_ = GET_PARAM(3);
     txfm1d_size_ = libaom_test::get_txfm1d_size(tx_size_);
     txfm2d_size_ = txfm1d_size_ * txfm1d_size_;
-
-    input_ = reinterpret_cast<int16_t *>(
-        aom_memalign(16, sizeof(int16_t) * txfm2d_size_));
-    ref_input_ = reinterpret_cast<uint16_t *>(
-        aom_memalign(16, sizeof(uint16_t) * txfm2d_size_));
-    output_ = reinterpret_cast<int32_t *>(
-        aom_memalign(16, sizeof(int32_t) * txfm2d_size_));
   }
 
   void RunRoundtripCheck() {
+    int16_t input_[64 * 64];
+    uint16_t ref_input_[64 * 64];
+    int32_t output_[64 * 64];
+
+    assert(txfm2d_size_ < ARRAY_SIZE(input_));
+    assert(txfm2d_size_ < ARRAY_SIZE(output_));
+    assert(txfm2d_size_ < ARRAY_SIZE(ref_input_));
+
     const Fwd_Txfm2d_Func fwd_txfm_func =
         libaom_test::fwd_txfm_func_ls[tx_size_];
     const Inv_Txfm2d_Func inv_txfm_func =
@@ -90,12 +91,6 @@
     EXPECT_GE(max_avg_error_, avg_abs_error);
   }
 
-  virtual void TearDown() {
-    aom_free(input_);
-    aom_free(output_);
-    aom_free(ref_input_);
-  }
-
  private:
   int max_error_;
   double max_avg_error_;
@@ -103,9 +98,6 @@
   TX_SIZE tx_size_;
   int txfm1d_size_;
   int txfm2d_size_;
-  int16_t *input_;
-  uint16_t *ref_input_;
-  int32_t *output_;
 };
 
 TEST_P(AV1InvTxfm2d, RunRoundtripCheck) { RunRoundtripCheck(); }

test/util.h

diff --git a/test/util.h b/test/util.h
index a20fab6..83d7903 100644
--- a/test/util.h
+++ b/test/util.h
@@ -17,6 +17,8 @@
 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
 #include "aom/aom_image.h"
 
+#define ARRAY_SIZE(x) (int)(sizeof(x) / sizeof(x[0]))
+
 // Macros
 #define GET_PARAM(k) std::tr1::get<k>(GetParam())