shithub: libvpx

Download patch

ref: 7e4740156fcda1cb5d3aca90755e6ec0b4bc293b
parent: c69cc4ce1f384827d0a0aef349b9c6396b07014f
parent: 7d72ebaa5c43b8c55164cef38a321d9bc03f615a
author: Pascal Massimino <pascal.massimino@gmail.com>
date: Mon Jul 18 23:52:54 EDT 2016

Merge "take II: variance_test partial clean-up"

--- a/test/variance_test.cc
+++ b/test/variance_test.cc
@@ -41,10 +41,6 @@
                                       const uint8_t *b, int b_stride);
 typedef unsigned int (*SumOfSquaresFunction)(const int16_t *src);
 
-
-using ::std::tr1::get;
-using ::std::tr1::make_tuple;
-using ::std::tr1::tuple;
 using libvpx_test::ACMRandom;
 
 // Truncate high bit depth results by downshifting (with rounding) by:
@@ -79,8 +75,8 @@
  *  (src - ref).
  */
 static uint32_t variance_ref(const uint8_t *src, const uint8_t *ref,
-                             int l2w, int l2h, int src_stride_coeff,
-                             int ref_stride_coeff, uint32_t *sse_ptr,
+                             int l2w, int l2h, int src_stride,
+                             int ref_stride, uint32_t *sse_ptr,
                              bool use_high_bit_depth_,
                              vpx_bit_depth_t bit_depth) {
   int64_t se = 0;
@@ -91,14 +87,14 @@
     for (int x = 0; x < w; x++) {
       int diff;
       if (!use_high_bit_depth_) {
-        diff = src[w * y * src_stride_coeff + x] -
-               ref[w * y * ref_stride_coeff + x];
+        diff = src[y * src_stride + x] -
+               ref[y * ref_stride + x];
         se += diff;
         sse += diff * diff;
 #if CONFIG_VP9_HIGHBITDEPTH
       } else {
-        diff = CONVERT_TO_SHORTPTR(src)[w * y * src_stride_coeff + x] -
-               CONVERT_TO_SHORTPTR(ref)[w * y * ref_stride_coeff + x];
+        diff = CONVERT_TO_SHORTPTR(src)[y * src_stride + x] -
+               CONVERT_TO_SHORTPTR(ref)[y * ref_stride + x];
         se += diff;
         sse += diff * diff;
 #endif  // CONFIG_VP9_HIGHBITDEPTH
@@ -170,6 +166,65 @@
                                 (l2w + l2h)));
 }
 
+static uint32_t subpel_avg_variance_ref(const uint8_t *ref,
+                                        const uint8_t *src,
+                                        const uint8_t *second_pred,
+                                        int l2w, int l2h,
+                                        int xoff, int yoff,
+                                        uint32_t *sse_ptr,
+                                        bool use_high_bit_depth,
+                                        vpx_bit_depth_t bit_depth) {
+  int64_t se = 0;
+  uint64_t sse = 0;
+  const int w = 1 << l2w;
+  const int h = 1 << l2h;
+
+  xoff <<= 1;
+  yoff <<= 1;
+
+  for (int y = 0; y < h; y++) {
+    for (int x = 0; x < w; x++) {
+      // bilinear interpolation at a 16th pel step
+      if (!use_high_bit_depth) {
+        const int a1 = ref[(w + 1) * (y + 0) + x + 0];
+        const int a2 = ref[(w + 1) * (y + 0) + x + 1];
+        const int b1 = ref[(w + 1) * (y + 1) + x + 0];
+        const int b2 = ref[(w + 1) * (y + 1) + x + 1];
+        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
+        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
+        const int r = a + (((b - a) * yoff + 8) >> 4);
+        const int diff =
+            ((r + second_pred[w * y + x] + 1) >> 1) - src[w * y + x];
+        se += diff;
+        sse += diff * diff;
+#if CONFIG_VP9_HIGHBITDEPTH
+      } else {
+        const uint16_t *ref16 = CONVERT_TO_SHORTPTR(ref);
+        const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+        const uint16_t *sec16 = CONVERT_TO_SHORTPTR(second_pred);
+        const int a1 = ref16[(w + 1) * (y + 0) + x + 0];
+        const int a2 = ref16[(w + 1) * (y + 0) + x + 1];
+        const int b1 = ref16[(w + 1) * (y + 1) + x + 0];
+        const int b2 = ref16[(w + 1) * (y + 1) + x + 1];
+        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
+        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
+        const int r = a + (((b - a) * yoff + 8) >> 4);
+        const int diff = ((r + sec16[w * y + x] + 1) >> 1) - src16[w * y + x];
+        se += diff;
+        sse += diff * diff;
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+      }
+    }
+  }
+  RoundHighBitDepth(bit_depth, &se, &sse);
+  *sse_ptr = static_cast<uint32_t>(sse);
+  return static_cast<uint32_t>(sse -
+                               ((static_cast<int64_t>(se) * se) >>
+                                (l2w + l2h)));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 class SumOfSquaresTest : public ::testing::TestWithParam<SumOfSquaresFunction> {
  public:
   SumOfSquaresTest() : func_(GetParam()) {}
@@ -212,98 +267,138 @@
   }
 }
 
-template<typename VarianceFunctionType>
-class VarianceTest
-    : public ::testing::TestWithParam<tuple<int, int,
-                                            VarianceFunctionType, int> > {
- public:
-  virtual void SetUp() {
-    const tuple<int, int, VarianceFunctionType, int>& params = this->GetParam();
-    log2width_  = get<0>(params);
-    width_ = 1 << log2width_;
-    log2height_ = get<1>(params);
-    height_ = 1 << log2height_;
-    variance_ = get<2>(params);
-    if (get<3>(params)) {
-      bit_depth_ = static_cast<vpx_bit_depth_t>(get<3>(params));
-      use_high_bit_depth_ = true;
+////////////////////////////////////////////////////////////////////////////////
+// Encapsulating struct to store the function to test along with
+// some testing context.
+// Can be used for MSE, SSE, Variance, etc.
+
+template<typename Func>
+struct TestParams {
+  TestParams(int log2w = 0, int log2h = 0,
+             Func function = NULL, int bit_depth_value = 0)
+      : log2width(log2w), log2height(log2h), func(function) {
+    use_high_bit_depth = (bit_depth_value > 0);
+    if (use_high_bit_depth) {
+      bit_depth = static_cast<vpx_bit_depth_t>(bit_depth_value);
     } else {
-      bit_depth_ = VPX_BITS_8;
-      use_high_bit_depth_ = false;
+      bit_depth = VPX_BITS_8;
     }
-    mask_ = (1 << bit_depth_) - 1;
+    width = 1 << log2width;
+    height = 1 << log2height;
+    block_size = width * height;
+    mask = (1u << bit_depth) - 1;
+  }
 
+  int log2width, log2height;
+  int width, height;
+  int block_size;
+  Func func;
+  vpx_bit_depth_t bit_depth;
+  bool use_high_bit_depth;
+  uint32_t mask;
+};
+
+template<typename Func>
+std::ostream &operator<<(std::ostream &os, const TestParams<Func> &p) {
+  return os << "log2width/height:" << p.log2width << "/" << p.log2height
+            << " function:" << reinterpret_cast<const void*>(p.func)
+            << " bit-depth:" << p.bit_depth;
+}
+
+// Main class for testing a function type
+template<typename FunctionType>
+class MainTestClass :
+    public ::testing::TestWithParam<TestParams<FunctionType> > {
+ public:
+  virtual void SetUp() {
+    params_ = this->GetParam();
+
     rnd_.Reset(ACMRandom::DeterministicSeed());
-    block_size_ = width_ * height_;
-    if (!use_high_bit_depth_) {
-      src_ = reinterpret_cast<uint8_t *>(vpx_memalign(16, block_size_ * 2));
-      ref_ = new uint8_t[block_size_ * 2];
-#if CONFIG_VP9_HIGHBITDEPTH
-    } else {
-      src_ = CONVERT_TO_BYTEPTR(reinterpret_cast<uint16_t *>(
-          vpx_memalign(16, block_size_ * 2 * sizeof(uint16_t))));
-      ref_ = CONVERT_TO_BYTEPTR(new uint16_t[block_size_ * 2]);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-    }
+    const size_t unit =
+        use_high_bit_depth() ? sizeof(uint16_t) : sizeof(uint8_t);
+    src_ = reinterpret_cast<uint8_t*>(vpx_memalign(16, block_size() * unit));
+    ref_ = new uint8_t[block_size() * unit];
     ASSERT_TRUE(src_ != NULL);
     ASSERT_TRUE(ref_ != NULL);
+#if CONFIG_VP9_HIGHBITDEPTH
+    if (use_high_bit_depth()) {
+      // TODO(skal): remove!
+      src_ = CONVERT_TO_BYTEPTR(src_);
+      ref_ = CONVERT_TO_BYTEPTR(ref_);
+    }
+#endif
   }
 
   virtual void TearDown() {
-    if (!use_high_bit_depth_) {
-      vpx_free(src_);
-      delete[] ref_;
 #if CONFIG_VP9_HIGHBITDEPTH
-    } else {
-      vpx_free(CONVERT_TO_SHORTPTR(src_));
-      delete[] CONVERT_TO_SHORTPTR(ref_);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
+    if (use_high_bit_depth()) {
+      // TODO(skal): remove!
+      src_ = reinterpret_cast<uint8_t*>(CONVERT_TO_SHORTPTR(src_));
+      ref_ = reinterpret_cast<uint8_t*>(CONVERT_TO_SHORTPTR(ref_));
     }
+#endif
+
+    vpx_free(src_);
+    delete[] ref_;
+    src_ = NULL;
+    ref_ = NULL;
     libvpx_test::ClearSystemState();
   }
 
  protected:
+  // We could sub-class MainTestClass into dedicated class for Variance
+  // and MSE/SSE, but it involves a lot of 'this->xxx' dereferencing
+  // to access top class fields xxx. That's cumbersome, so for now we'll just
+  // implement the testing methods here:
+
+  // Variance tests
   void ZeroTest();
   void RefTest();
   void RefStrideTest();
   void OneQuarterTest();
 
+  // MSE/SSE tests
+  void RefTestMse();
+  void RefTestSse();
+  void MaxTestMse();
+  void MaxTestSse();
+
+ protected:
   ACMRandom rnd_;
   uint8_t *src_;
   uint8_t *ref_;
-  int width_, log2width_;
-  int height_, log2height_;
-  vpx_bit_depth_t bit_depth_;
-  int mask_;
-  bool use_high_bit_depth_;
-  int block_size_;
-  VarianceFunctionType variance_;
+  TestParams<FunctionType> params_;
+
+  // some relay helpers
+  bool use_high_bit_depth() const { return params_.use_high_bit_depth; }
+  int byte_shift() const { return params_.bit_depth - 8; }
+  int block_size() const { return params_.block_size; }
+  int width() const { return params_.width; }
+  uint32_t mask() const { return params_.mask; }
 };
 
+////////////////////////////////////////////////////////////////////////////////
+// Tests related to variance.
+
 template<typename VarianceFunctionType>
-void VarianceTest<VarianceFunctionType>::ZeroTest() {
+void MainTestClass<VarianceFunctionType>::ZeroTest() {
   for (int i = 0; i <= 255; ++i) {
-    if (!use_high_bit_depth_) {
-      memset(src_, i, block_size_);
-#if CONFIG_VP9_HIGHBITDEPTH
+    if (!use_high_bit_depth()) {
+      memset(src_, i, block_size());
     } else {
-      vpx_memset16(CONVERT_TO_SHORTPTR(src_), i << (bit_depth_ - 8),
-                   block_size_);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
+      uint16_t* const src16 = CONVERT_TO_SHORTPTR(src_);
+      for (int k = 0; k < block_size(); ++k) src16[k] = i << byte_shift();
     }
     for (int j = 0; j <= 255; ++j) {
-      if (!use_high_bit_depth_) {
-        memset(ref_, j, block_size_);
-#if CONFIG_VP9_HIGHBITDEPTH
+      if (!use_high_bit_depth()) {
+        memset(ref_, j, block_size());
       } else {
-        vpx_memset16(CONVERT_TO_SHORTPTR(ref_), j  << (bit_depth_ - 8),
-                     block_size_);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
+        uint16_t* const ref16 = CONVERT_TO_SHORTPTR(ref_);
+        for (int k = 0; k < block_size(); ++k) ref16[k] = j << byte_shift();
       }
-      unsigned int sse;
-      unsigned int var;
+      unsigned int sse, var;
       ASM_REGISTER_STATE_CHECK(
-          var = variance_(src_, width_, ref_, width_, &sse));
+          var = params_.func(src_, width(), ref_, width(), &sse));
       EXPECT_EQ(0u, var) << "src values: " << i << " ref values: " << j;
     }
   }
@@ -310,241 +405,145 @@
 }
 
 template<typename VarianceFunctionType>
-void VarianceTest<VarianceFunctionType>::RefTest() {
+void MainTestClass<VarianceFunctionType>::RefTest() {
   for (int i = 0; i < 10; ++i) {
-    for (int j = 0; j < block_size_; j++) {
-      if (!use_high_bit_depth_) {
+    for (int j = 0; j < block_size(); j++) {
+      if (!use_high_bit_depth()) {
         src_[j] = rnd_.Rand8();
         ref_[j] = rnd_.Rand8();
 #if CONFIG_VP9_HIGHBITDEPTH
       } else {
-        CONVERT_TO_SHORTPTR(src_)[j] = rnd_.Rand16() & mask_;
-        CONVERT_TO_SHORTPTR(ref_)[j] = rnd_.Rand16() & mask_;
+        CONVERT_TO_SHORTPTR(src_)[j] = rnd_.Rand16() & mask();
+        CONVERT_TO_SHORTPTR(ref_)[j] = rnd_.Rand16() & mask();
 #endif  // CONFIG_VP9_HIGHBITDEPTH
       }
     }
-    unsigned int sse1, sse2;
-    unsigned int var1;
-    const int stride_coeff = 1;
+    unsigned int sse1, sse2, var1, var2;
+    const int stride = width();
     ASM_REGISTER_STATE_CHECK(
-        var1 = variance_(src_, width_, ref_, width_, &sse1));
-    const unsigned int var2 = variance_ref(src_, ref_, log2width_,
-                                           log2height_, stride_coeff,
-                                           stride_coeff, &sse2,
-                                           use_high_bit_depth_, bit_depth_);
-    EXPECT_EQ(sse1, sse2)
-        << "Error at test index: " << i;
-    EXPECT_EQ(var1, var2)
-        << "Error at test index: " << i;
+        var1 = params_.func(src_, stride, ref_, stride, &sse1));
+    var2 = variance_ref(src_, ref_, params_.log2width, params_.log2height,
+                        stride, stride, &sse2,
+                        use_high_bit_depth(), params_.bit_depth);
+    EXPECT_EQ(sse1, sse2) << "Error at test index: " << i;
+    EXPECT_EQ(var1, var2) << "Error at test index: " << i;
   }
 }
 
 template<typename VarianceFunctionType>
-void VarianceTest<VarianceFunctionType>::RefStrideTest() {
+void MainTestClass<VarianceFunctionType>::RefStrideTest() {
   for (int i = 0; i < 10; ++i) {
-    int ref_stride_coeff = i % 2;
-    int src_stride_coeff = (i >> 1) % 2;
-    for (int j = 0; j < block_size_; j++) {
-      int ref_ind = (j / width_) * ref_stride_coeff * width_ + j % width_;
-      int src_ind = (j / width_) * src_stride_coeff * width_ + j % width_;
-      if (!use_high_bit_depth_) {
+    const int ref_stride = (i & 1) * width();
+    const int src_stride = ((i >> 1) & 1) * width();
+    for (int j = 0; j < block_size(); j++) {
+      const int ref_ind = (j / width()) * ref_stride + j % width();
+      const int src_ind = (j / width()) * src_stride + j % width();
+      if (!use_high_bit_depth()) {
         src_[src_ind] = rnd_.Rand8();
         ref_[ref_ind] = rnd_.Rand8();
 #if CONFIG_VP9_HIGHBITDEPTH
       } else {
-        CONVERT_TO_SHORTPTR(src_)[src_ind] = rnd_.Rand16() & mask_;
-        CONVERT_TO_SHORTPTR(ref_)[ref_ind] = rnd_.Rand16() & mask_;
+        CONVERT_TO_SHORTPTR(src_)[src_ind] = rnd_.Rand16() & mask();
+        CONVERT_TO_SHORTPTR(ref_)[ref_ind] = rnd_.Rand16() & mask();
 #endif  // CONFIG_VP9_HIGHBITDEPTH
       }
     }
     unsigned int sse1, sse2;
-    unsigned int var1;
+    unsigned int var1, var2;
 
     ASM_REGISTER_STATE_CHECK(
-        var1 = variance_(src_, width_ * src_stride_coeff,
-                         ref_, width_ * ref_stride_coeff, &sse1));
-    const unsigned int var2 = variance_ref(src_, ref_, log2width_,
-                                           log2height_, src_stride_coeff,
-                                           ref_stride_coeff, &sse2,
-                                           use_high_bit_depth_, bit_depth_);
-    EXPECT_EQ(sse1, sse2)
-        << "Error at test index: " << i;
-    EXPECT_EQ(var1, var2)
-        << "Error at test index: " << i;
+        var1 = params_.func(src_, src_stride, ref_, ref_stride, &sse1));
+    var2 = variance_ref(src_, ref_,
+                        params_.log2width, params_.log2height,
+                        src_stride, ref_stride, &sse2,
+                        use_high_bit_depth(), params_.bit_depth);
+    EXPECT_EQ(sse1, sse2) << "Error at test index: " << i;
+    EXPECT_EQ(var1, var2) << "Error at test index: " << i;
   }
 }
 
 template<typename VarianceFunctionType>
-void VarianceTest<VarianceFunctionType>::OneQuarterTest() {
-  const int half = block_size_ / 2;
-  if (!use_high_bit_depth_) {
-    memset(src_, 255, block_size_);
+void MainTestClass<VarianceFunctionType>::OneQuarterTest() {
+  const int half = block_size() / 2;
+  if (!use_high_bit_depth()) {
+    memset(src_, 255, block_size());
     memset(ref_, 255, half);
     memset(ref_ + half, 0, half);
 #if CONFIG_VP9_HIGHBITDEPTH
   } else {
-    vpx_memset16(CONVERT_TO_SHORTPTR(src_), 255 << (bit_depth_ - 8),
-                 block_size_);
-    vpx_memset16(CONVERT_TO_SHORTPTR(ref_), 255 << (bit_depth_ - 8), half);
+    vpx_memset16(CONVERT_TO_SHORTPTR(src_), 255 << byte_shift(), block_size());
+    vpx_memset16(CONVERT_TO_SHORTPTR(ref_), 255 << byte_shift(), half);
     vpx_memset16(CONVERT_TO_SHORTPTR(ref_) + half, 0, half);
 #endif  // CONFIG_VP9_HIGHBITDEPTH
   }
-  unsigned int sse;
-  unsigned int var;
-  ASM_REGISTER_STATE_CHECK(var = variance_(src_, width_, ref_, width_, &sse));
-  const unsigned int expected = block_size_ * 255 * 255 / 4;
+  unsigned int sse, var, expected;
+  ASM_REGISTER_STATE_CHECK(
+      var = params_.func(src_, width(), ref_, width(), &sse));
+  expected = block_size() * 255 * 255 / 4;
   EXPECT_EQ(expected, var);
 }
 
-template<typename MseFunctionType>
-class MseTest
-    : public ::testing::TestWithParam<tuple<int, int, MseFunctionType> > {
- public:
-  virtual void SetUp() {
-    const tuple<int, int, MseFunctionType>& params = this->GetParam();
-    log2width_  = get<0>(params);
-    width_ = 1 << log2width_;
-    log2height_ = get<1>(params);
-    height_ = 1 << log2height_;
-    mse_ = get<2>(params);
-
-    rnd(ACMRandom::DeterministicSeed());
-    block_size_ = width_ * height_;
-    src_ = reinterpret_cast<uint8_t *>(vpx_memalign(16, block_size_));
-    ref_ = new uint8_t[block_size_];
-    ASSERT_TRUE(src_ != NULL);
-    ASSERT_TRUE(ref_ != NULL);
-  }
+////////////////////////////////////////////////////////////////////////////////
+// Tests related to MSE / SSE.
 
-  virtual void TearDown() {
-    vpx_free(src_);
-    delete[] ref_;
-    libvpx_test::ClearSystemState();
-  }
-
- protected:
-  void RefTest_mse();
-  void RefTest_sse();
-  void MaxTest_mse();
-  void MaxTest_sse();
-
-  ACMRandom rnd;
-  uint8_t* src_;
-  uint8_t* ref_;
-  int width_, log2width_;
-  int height_, log2height_;
-  int block_size_;
-  MseFunctionType mse_;
-};
-
-template<typename MseFunctionType>
-void MseTest<MseFunctionType>::RefTest_mse() {
+template<typename FunctionType>
+void MainTestClass<FunctionType>::RefTestMse() {
   for (int i = 0; i < 10; ++i) {
-    for (int j = 0; j < block_size_; j++) {
-      src_[j] = rnd.Rand8();
-      ref_[j] = rnd.Rand8();
+    for (int j = 0; j < block_size(); ++j) {
+      src_[j] = rnd_.Rand8();
+      ref_[j] = rnd_.Rand8();
     }
     unsigned int sse1, sse2;
-    const int stride_coeff = 1;
-    ASM_REGISTER_STATE_CHECK(mse_(src_, width_, ref_, width_, &sse1));
-    variance_ref(src_, ref_, log2width_, log2height_, stride_coeff,
-                 stride_coeff, &sse2, false, VPX_BITS_8);
+    const int stride = width();
+    ASM_REGISTER_STATE_CHECK(params_.func(src_, stride, ref_, stride, &sse1));
+    variance_ref(src_, ref_, params_.log2width, params_.log2height,
+                 stride, stride, &sse2, false, VPX_BITS_8);
     EXPECT_EQ(sse1, sse2);
   }
 }
 
-template<typename MseFunctionType>
-void MseTest<MseFunctionType>::RefTest_sse() {
+template<typename FunctionType>
+void MainTestClass<FunctionType>::RefTestSse() {
   for (int i = 0; i < 10; ++i) {
-    for (int j = 0; j < block_size_; j++) {
-      src_[j] = rnd.Rand8();
-      ref_[j] = rnd.Rand8();
+    for (int j = 0; j < block_size(); ++j) {
+      src_[j] = rnd_.Rand8();
+      ref_[j] = rnd_.Rand8();
     }
     unsigned int sse2;
     unsigned int var1;
-    const int stride_coeff = 1;
-    ASM_REGISTER_STATE_CHECK(var1 = mse_(src_, width_, ref_, width_));
-    variance_ref(src_, ref_, log2width_, log2height_, stride_coeff,
-                 stride_coeff, &sse2, false, VPX_BITS_8);
+    const int stride = width();
+    ASM_REGISTER_STATE_CHECK(var1 = params_.func(src_, stride, ref_, stride));
+    variance_ref(src_, ref_, params_.log2width, params_.log2height,
+                 stride, stride, &sse2, false, VPX_BITS_8);
     EXPECT_EQ(var1, sse2);
   }
 }
 
-template<typename MseFunctionType>
-void MseTest<MseFunctionType>::MaxTest_mse() {
-  memset(src_, 255, block_size_);
-  memset(ref_, 0, block_size_);
+template<typename FunctionType>
+void MainTestClass<FunctionType>::MaxTestMse() {
+  memset(src_, 255, block_size());
+  memset(ref_, 0, block_size());
   unsigned int sse;
-  ASM_REGISTER_STATE_CHECK(mse_(src_, width_, ref_, width_, &sse));
-  const unsigned int expected = block_size_ * 255 * 255;
+  ASM_REGISTER_STATE_CHECK(params_.func(src_, width(), ref_, width(), &sse));
+  const unsigned int expected = block_size() * 255 * 255;
   EXPECT_EQ(expected, sse);
 }
 
-template<typename MseFunctionType>
-void MseTest<MseFunctionType>::MaxTest_sse() {
-  memset(src_, 255, block_size_);
-  memset(ref_, 0, block_size_);
+template<typename FunctionType>
+void MainTestClass<FunctionType>::MaxTestSse() {
+  memset(src_, 255, block_size());
+  memset(ref_, 0, block_size());
   unsigned int var;
-  ASM_REGISTER_STATE_CHECK(var = mse_(src_, width_, ref_, width_));
-  const unsigned int expected = block_size_ * 255 * 255;
+  ASM_REGISTER_STATE_CHECK(var = params_.func(src_, width(), ref_, width()));
+  const unsigned int expected = block_size() * 255 * 255;
   EXPECT_EQ(expected, var);
 }
 
-static uint32_t subpel_avg_variance_ref(const uint8_t *ref,
-                                        const uint8_t *src,
-                                        const uint8_t *second_pred,
-                                        int l2w, int l2h,
-                                        int xoff, int yoff,
-                                        uint32_t *sse_ptr,
-                                        bool use_high_bit_depth,
-                                        vpx_bit_depth_t bit_depth) {
-  int64_t se = 0;
-  uint64_t sse = 0;
-  const int w = 1 << l2w;
-  const int h = 1 << l2h;
-
-  xoff <<= 1;
-  yoff <<= 1;
+////////////////////////////////////////////////////////////////////////////////
 
-  for (int y = 0; y < h; y++) {
-    for (int x = 0; x < w; x++) {
-      // bilinear interpolation at a 16th pel step
-      if (!use_high_bit_depth) {
-        const int a1 = ref[(w + 1) * (y + 0) + x + 0];
-        const int a2 = ref[(w + 1) * (y + 0) + x + 1];
-        const int b1 = ref[(w + 1) * (y + 1) + x + 0];
-        const int b2 = ref[(w + 1) * (y + 1) + x + 1];
-        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
-        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
-        const int r = a + (((b - a) * yoff + 8) >> 4);
-        const int diff = ((r + second_pred[w * y + x] + 1) >> 1) - src[w * y + x];
-        se += diff;
-        sse += diff * diff;
-#if CONFIG_VP9_HIGHBITDEPTH
-      } else {
-        uint16_t *ref16 = CONVERT_TO_SHORTPTR(ref);
-        uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
-        uint16_t *sec16   = CONVERT_TO_SHORTPTR(second_pred);
-        const int a1 = ref16[(w + 1) * (y + 0) + x + 0];
-        const int a2 = ref16[(w + 1) * (y + 0) + x + 1];
-        const int b1 = ref16[(w + 1) * (y + 1) + x + 0];
-        const int b2 = ref16[(w + 1) * (y + 1) + x + 1];
-        const int a = a1 + (((a2 - a1) * xoff + 8) >> 4);
-        const int b = b1 + (((b2 - b1) * xoff + 8) >> 4);
-        const int r = a + (((b - a) * yoff + 8) >> 4);
-        const int diff = ((r + sec16[w * y + x] + 1) >> 1) - src16[w * y + x];
-        se += diff;
-        sse += diff * diff;
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-      }
-    }
-  }
-  RoundHighBitDepth(bit_depth, &se, &sse);
-  *sse_ptr = static_cast<uint32_t>(sse);
-  return static_cast<uint32_t>(sse -
-                               ((static_cast<int64_t>(se) * se) >>
-                                (l2w + l2h)));
-}
+using ::std::tr1::get;
+using ::std::tr1::make_tuple;
+using ::std::tr1::tuple;
 
 template<typename SubpelVarianceFunctionType>
 class SubpelVarianceTest
@@ -716,16 +715,16 @@
         }
 #endif  // CONFIG_VP9_HIGHBITDEPTH
       }
-      unsigned int sse1, sse2;
-      unsigned int var1;
+      uint32_t sse1, sse2;
+      uint32_t var1, var2;
       ASM_REGISTER_STATE_CHECK(
           var1 = subpel_variance_(ref_, width_ + 1, x, y,
                                   src_, width_, &sse1, sec_));
-      const unsigned int var2 = subpel_avg_variance_ref(ref_, src_, sec_,
-                                                        log2width_, log2height_,
-                                                        x, y, &sse2,
-                                                        use_high_bit_depth_,
-                                                        bit_depth_);
+      var2 = subpel_avg_variance_ref(ref_, src_, sec_,
+                                     log2width_, log2height_,
+                                     x, y, &sse2,
+                                     use_high_bit_depth_,
+                                     static_cast<vpx_bit_depth_t>(bit_depth_));
       EXPECT_EQ(sse1, sse2) << "at position " << x << ", " << y;
       EXPECT_EQ(var1, var2) << "at position " << x << ", " << y;
     }
@@ -732,16 +731,16 @@
   }
 }
 
-typedef MseTest<Get4x4SseFunc> VpxSseTest;
-typedef MseTest<VarianceMxNFunc> VpxMseTest;
-typedef VarianceTest<VarianceMxNFunc> VpxVarianceTest;
+typedef MainTestClass<Get4x4SseFunc> VpxSseTest;
+typedef MainTestClass<VarianceMxNFunc> VpxMseTest;
+typedef MainTestClass<VarianceMxNFunc> VpxVarianceTest;
 typedef SubpelVarianceTest<SubpixVarMxNFunc> VpxSubpelVarianceTest;
 typedef SubpelVarianceTest<SubpixAvgVarMxNFunc> VpxSubpelAvgVarianceTest;
 
-TEST_P(VpxSseTest, Ref_sse) { RefTest_sse(); }
-TEST_P(VpxSseTest, Max_sse) { MaxTest_sse(); }
-TEST_P(VpxMseTest, Ref_mse) { RefTest_mse(); }
-TEST_P(VpxMseTest, Max_mse) { MaxTest_mse(); }
+TEST_P(VpxSseTest, RefSse) { RefTestSse(); }
+TEST_P(VpxSseTest, MaxSse) { MaxTestSse(); }
+TEST_P(VpxMseTest, RefMse) { RefTestMse(); }
+TEST_P(VpxMseTest, MaxMse) { MaxTestMse(); }
 TEST_P(VpxVarianceTest, Zero) { ZeroTest(); }
 TEST_P(VpxVarianceTest, Ref) { RefTest(); }
 TEST_P(VpxVarianceTest, RefStride) { RefStrideTest(); }
@@ -755,31 +754,33 @@
 INSTANTIATE_TEST_CASE_P(C, SumOfSquaresTest,
                         ::testing::Values(vpx_get_mb_ss_c));
 
+typedef TestParams<Get4x4SseFunc> SseParams;
 INSTANTIATE_TEST_CASE_P(C, VpxSseTest,
-                        ::testing::Values(make_tuple(2, 2,
-                                                     &vpx_get4x4sse_cs_c)));
+    ::testing::Values(SseParams(2, 2, &vpx_get4x4sse_cs_c)));
 
+typedef TestParams<VarianceMxNFunc> MseParams;
 INSTANTIATE_TEST_CASE_P(C, VpxMseTest,
-                        ::testing::Values(make_tuple(4, 4, &vpx_mse16x16_c),
-                                          make_tuple(4, 3, &vpx_mse16x8_c),
-                                          make_tuple(3, 4, &vpx_mse8x16_c),
-                                          make_tuple(3, 3, &vpx_mse8x8_c)));
+    ::testing::Values(MseParams(4, 4, &vpx_mse16x16_c),
+                      MseParams(4, 3, &vpx_mse16x8_c),
+                      MseParams(3, 4, &vpx_mse8x16_c),
+                      MseParams(3, 3, &vpx_mse8x8_c)));
 
+typedef TestParams<VarianceMxNFunc> VarianceParams;
 INSTANTIATE_TEST_CASE_P(
     C, VpxVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_variance64x64_c, 0),
-                      make_tuple(6, 5, &vpx_variance64x32_c, 0),
-                      make_tuple(5, 6, &vpx_variance32x64_c, 0),
-                      make_tuple(5, 5, &vpx_variance32x32_c, 0),
-                      make_tuple(5, 4, &vpx_variance32x16_c, 0),
-                      make_tuple(4, 5, &vpx_variance16x32_c, 0),
-                      make_tuple(4, 4, &vpx_variance16x16_c, 0),
-                      make_tuple(4, 3, &vpx_variance16x8_c, 0),
-                      make_tuple(3, 4, &vpx_variance8x16_c, 0),
-                      make_tuple(3, 3, &vpx_variance8x8_c, 0),
-                      make_tuple(3, 2, &vpx_variance8x4_c, 0),
-                      make_tuple(2, 3, &vpx_variance4x8_c, 0),
-                      make_tuple(2, 2, &vpx_variance4x4_c, 0)));
+    ::testing::Values(VarianceParams(6, 6, &vpx_variance64x64_c),
+                      VarianceParams(6, 5, &vpx_variance64x32_c),
+                      VarianceParams(5, 6, &vpx_variance32x64_c),
+                      VarianceParams(5, 5, &vpx_variance32x32_c),
+                      VarianceParams(5, 4, &vpx_variance32x16_c),
+                      VarianceParams(4, 5, &vpx_variance16x32_c),
+                      VarianceParams(4, 4, &vpx_variance16x16_c),
+                      VarianceParams(4, 3, &vpx_variance16x8_c),
+                      VarianceParams(3, 4, &vpx_variance8x16_c),
+                      VarianceParams(3, 3, &vpx_variance8x8_c),
+                      VarianceParams(3, 2, &vpx_variance8x4_c),
+                      VarianceParams(2, 3, &vpx_variance4x8_c),
+                      VarianceParams(2, 2, &vpx_variance4x4_c)));
 
 INSTANTIATE_TEST_CASE_P(
     C, VpxSubpelVarianceTest,
@@ -814,14 +815,14 @@
                       make_tuple(2, 2, &vpx_sub_pixel_avg_variance4x4_c, 0)));
 
 #if CONFIG_VP9_HIGHBITDEPTH
-typedef MseTest<VarianceMxNFunc> VpxHBDMseTest;
-typedef VarianceTest<VarianceMxNFunc> VpxHBDVarianceTest;
+typedef MainTestClass<VarianceMxNFunc> VpxHBDMseTest;
+typedef MainTestClass<VarianceMxNFunc> VpxHBDVarianceTest;
 typedef SubpelVarianceTest<SubpixVarMxNFunc> VpxHBDSubpelVarianceTest;
 typedef SubpelVarianceTest<SubpixAvgVarMxNFunc>
     VpxHBDSubpelAvgVarianceTest;
 
-TEST_P(VpxHBDMseTest, Ref_mse) { RefTest_mse(); }
-TEST_P(VpxHBDMseTest, Max_mse) { MaxTest_mse(); }
+TEST_P(VpxHBDMseTest, RefMse) { RefTestMse(); }
+TEST_P(VpxHBDMseTest, MaxMse) { MaxTestMse(); }
 TEST_P(VpxHBDVarianceTest, Zero) { ZeroTest(); }
 TEST_P(VpxHBDVarianceTest, Ref) { RefTest(); }
 TEST_P(VpxHBDVarianceTest, RefStride) { RefStrideTest(); }
@@ -849,45 +850,45 @@
 
 INSTANTIATE_TEST_CASE_P(
     C, VpxHBDVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_highbd_12_variance64x64_c, 12),
-                      make_tuple(6, 5, &vpx_highbd_12_variance64x32_c, 12),
-                      make_tuple(5, 6, &vpx_highbd_12_variance32x64_c, 12),
-                      make_tuple(5, 5, &vpx_highbd_12_variance32x32_c, 12),
-                      make_tuple(5, 4, &vpx_highbd_12_variance32x16_c, 12),
-                      make_tuple(4, 5, &vpx_highbd_12_variance16x32_c, 12),
-                      make_tuple(4, 4, &vpx_highbd_12_variance16x16_c, 12),
-                      make_tuple(4, 3, &vpx_highbd_12_variance16x8_c, 12),
-                      make_tuple(3, 4, &vpx_highbd_12_variance8x16_c, 12),
-                      make_tuple(3, 3, &vpx_highbd_12_variance8x8_c, 12),
-                      make_tuple(3, 2, &vpx_highbd_12_variance8x4_c, 12),
-                      make_tuple(2, 3, &vpx_highbd_12_variance4x8_c, 12),
-                      make_tuple(2, 2, &vpx_highbd_12_variance4x4_c, 12),
-                      make_tuple(6, 6, &vpx_highbd_10_variance64x64_c, 10),
-                      make_tuple(6, 5, &vpx_highbd_10_variance64x32_c, 10),
-                      make_tuple(5, 6, &vpx_highbd_10_variance32x64_c, 10),
-                      make_tuple(5, 5, &vpx_highbd_10_variance32x32_c, 10),
-                      make_tuple(5, 4, &vpx_highbd_10_variance32x16_c, 10),
-                      make_tuple(4, 5, &vpx_highbd_10_variance16x32_c, 10),
-                      make_tuple(4, 4, &vpx_highbd_10_variance16x16_c, 10),
-                      make_tuple(4, 3, &vpx_highbd_10_variance16x8_c, 10),
-                      make_tuple(3, 4, &vpx_highbd_10_variance8x16_c, 10),
-                      make_tuple(3, 3, &vpx_highbd_10_variance8x8_c, 10),
-                      make_tuple(3, 2, &vpx_highbd_10_variance8x4_c, 10),
-                      make_tuple(2, 3, &vpx_highbd_10_variance4x8_c, 10),
-                      make_tuple(2, 2, &vpx_highbd_10_variance4x4_c, 10),
-                      make_tuple(6, 6, &vpx_highbd_8_variance64x64_c, 8),
-                      make_tuple(6, 5, &vpx_highbd_8_variance64x32_c, 8),
-                      make_tuple(5, 6, &vpx_highbd_8_variance32x64_c, 8),
-                      make_tuple(5, 5, &vpx_highbd_8_variance32x32_c, 8),
-                      make_tuple(5, 4, &vpx_highbd_8_variance32x16_c, 8),
-                      make_tuple(4, 5, &vpx_highbd_8_variance16x32_c, 8),
-                      make_tuple(4, 4, &vpx_highbd_8_variance16x16_c, 8),
-                      make_tuple(4, 3, &vpx_highbd_8_variance16x8_c, 8),
-                      make_tuple(3, 4, &vpx_highbd_8_variance8x16_c, 8),
-                      make_tuple(3, 3, &vpx_highbd_8_variance8x8_c, 8),
-                      make_tuple(3, 2, &vpx_highbd_8_variance8x4_c, 8),
-                      make_tuple(2, 3, &vpx_highbd_8_variance4x8_c, 8),
-                      make_tuple(2, 2, &vpx_highbd_8_variance4x4_c, 8)));
+    ::testing::Values(VarianceParams(6, 6, &vpx_highbd_12_variance64x64_c, 12),
+                      VarianceParams(6, 5, &vpx_highbd_12_variance64x32_c, 12),
+                      VarianceParams(5, 6, &vpx_highbd_12_variance32x64_c, 12),
+                      VarianceParams(5, 5, &vpx_highbd_12_variance32x32_c, 12),
+                      VarianceParams(5, 4, &vpx_highbd_12_variance32x16_c, 12),
+                      VarianceParams(4, 5, &vpx_highbd_12_variance16x32_c, 12),
+                      VarianceParams(4, 4, &vpx_highbd_12_variance16x16_c, 12),
+                      VarianceParams(4, 3, &vpx_highbd_12_variance16x8_c, 12),
+                      VarianceParams(3, 4, &vpx_highbd_12_variance8x16_c, 12),
+                      VarianceParams(3, 3, &vpx_highbd_12_variance8x8_c, 12),
+                      VarianceParams(3, 2, &vpx_highbd_12_variance8x4_c, 12),
+                      VarianceParams(2, 3, &vpx_highbd_12_variance4x8_c, 12),
+                      VarianceParams(2, 2, &vpx_highbd_12_variance4x4_c, 12),
+                      VarianceParams(6, 6, &vpx_highbd_10_variance64x64_c, 10),
+                      VarianceParams(6, 5, &vpx_highbd_10_variance64x32_c, 10),
+                      VarianceParams(5, 6, &vpx_highbd_10_variance32x64_c, 10),
+                      VarianceParams(5, 5, &vpx_highbd_10_variance32x32_c, 10),
+                      VarianceParams(5, 4, &vpx_highbd_10_variance32x16_c, 10),
+                      VarianceParams(4, 5, &vpx_highbd_10_variance16x32_c, 10),
+                      VarianceParams(4, 4, &vpx_highbd_10_variance16x16_c, 10),
+                      VarianceParams(4, 3, &vpx_highbd_10_variance16x8_c, 10),
+                      VarianceParams(3, 4, &vpx_highbd_10_variance8x16_c, 10),
+                      VarianceParams(3, 3, &vpx_highbd_10_variance8x8_c, 10),
+                      VarianceParams(3, 2, &vpx_highbd_10_variance8x4_c, 10),
+                      VarianceParams(2, 3, &vpx_highbd_10_variance4x8_c, 10),
+                      VarianceParams(2, 2, &vpx_highbd_10_variance4x4_c, 10),
+                      VarianceParams(6, 6, &vpx_highbd_8_variance64x64_c, 8),
+                      VarianceParams(6, 5, &vpx_highbd_8_variance64x32_c, 8),
+                      VarianceParams(5, 6, &vpx_highbd_8_variance32x64_c, 8),
+                      VarianceParams(5, 5, &vpx_highbd_8_variance32x32_c, 8),
+                      VarianceParams(5, 4, &vpx_highbd_8_variance32x16_c, 8),
+                      VarianceParams(4, 5, &vpx_highbd_8_variance16x32_c, 8),
+                      VarianceParams(4, 4, &vpx_highbd_8_variance16x16_c, 8),
+                      VarianceParams(4, 3, &vpx_highbd_8_variance16x8_c, 8),
+                      VarianceParams(3, 4, &vpx_highbd_8_variance8x16_c, 8),
+                      VarianceParams(3, 3, &vpx_highbd_8_variance8x8_c, 8),
+                      VarianceParams(3, 2, &vpx_highbd_8_variance8x4_c, 8),
+                      VarianceParams(2, 3, &vpx_highbd_8_variance4x8_c, 8),
+                      VarianceParams(2, 2, &vpx_highbd_8_variance4x4_c, 8)));
 
 INSTANTIATE_TEST_CASE_P(
     C, VpxHBDSubpelVarianceTest,
@@ -981,26 +982,26 @@
                         ::testing::Values(vpx_get_mb_ss_sse2));
 
 INSTANTIATE_TEST_CASE_P(SSE2, VpxMseTest,
-                        ::testing::Values(make_tuple(4, 4, &vpx_mse16x16_sse2),
-                                          make_tuple(4, 3, &vpx_mse16x8_sse2),
-                                          make_tuple(3, 4, &vpx_mse8x16_sse2),
-                                          make_tuple(3, 3, &vpx_mse8x8_sse2)));
+    ::testing::Values(MseParams(4, 4, &vpx_mse16x16_sse2),
+                      MseParams(4, 3, &vpx_mse16x8_sse2),
+                      MseParams(3, 4, &vpx_mse8x16_sse2),
+                      MseParams(3, 3, &vpx_mse8x8_sse2)));
 
 INSTANTIATE_TEST_CASE_P(
     SSE2, VpxVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_variance64x64_sse2, 0),
-                      make_tuple(6, 5, &vpx_variance64x32_sse2, 0),
-                      make_tuple(5, 6, &vpx_variance32x64_sse2, 0),
-                      make_tuple(5, 5, &vpx_variance32x32_sse2, 0),
-                      make_tuple(5, 4, &vpx_variance32x16_sse2, 0),
-                      make_tuple(4, 5, &vpx_variance16x32_sse2, 0),
-                      make_tuple(4, 4, &vpx_variance16x16_sse2, 0),
-                      make_tuple(4, 3, &vpx_variance16x8_sse2, 0),
-                      make_tuple(3, 4, &vpx_variance8x16_sse2, 0),
-                      make_tuple(3, 3, &vpx_variance8x8_sse2, 0),
-                      make_tuple(3, 2, &vpx_variance8x4_sse2, 0),
-                      make_tuple(2, 3, &vpx_variance4x8_sse2, 0),
-                      make_tuple(2, 2, &vpx_variance4x4_sse2, 0)));
+    ::testing::Values(VarianceParams(6, 6, &vpx_variance64x64_sse2),
+                      VarianceParams(6, 5, &vpx_variance64x32_sse2),
+                      VarianceParams(5, 6, &vpx_variance32x64_sse2),
+                      VarianceParams(5, 5, &vpx_variance32x32_sse2),
+                      VarianceParams(5, 4, &vpx_variance32x16_sse2),
+                      VarianceParams(4, 5, &vpx_variance16x32_sse2),
+                      VarianceParams(4, 4, &vpx_variance16x16_sse2),
+                      VarianceParams(4, 3, &vpx_variance16x8_sse2),
+                      VarianceParams(3, 4, &vpx_variance8x16_sse2),
+                      VarianceParams(3, 3, &vpx_variance8x8_sse2),
+                      VarianceParams(3, 2, &vpx_variance8x4_sse2),
+                      VarianceParams(2, 3, &vpx_variance4x8_sse2),
+                      VarianceParams(2, 2, &vpx_variance4x4_sse2)));
 
 INSTANTIATE_TEST_CASE_P(
     SSE2, VpxSubpelVarianceTest,
@@ -1039,52 +1040,52 @@
 /* TODO(debargha): This test does not support the highbd version
 INSTANTIATE_TEST_CASE_P(
     SSE2, VpxHBDMseTest,
-    ::testing::Values(make_tuple(4, 4, &vpx_highbd_12_mse16x16_sse2),
-                      make_tuple(4, 3, &vpx_highbd_12_mse16x8_sse2),
-                      make_tuple(3, 4, &vpx_highbd_12_mse8x16_sse2),
-                      make_tuple(3, 3, &vpx_highbd_12_mse8x8_sse2),
-                      make_tuple(4, 4, &vpx_highbd_10_mse16x16_sse2),
-                      make_tuple(4, 3, &vpx_highbd_10_mse16x8_sse2),
-                      make_tuple(3, 4, &vpx_highbd_10_mse8x16_sse2),
-                      make_tuple(3, 3, &vpx_highbd_10_mse8x8_sse2),
-                      make_tuple(4, 4, &vpx_highbd_8_mse16x16_sse2),
-                      make_tuple(4, 3, &vpx_highbd_8_mse16x8_sse2),
-                      make_tuple(3, 4, &vpx_highbd_8_mse8x16_sse2),
-                      make_tuple(3, 3, &vpx_highbd_8_mse8x8_sse2)));
+    ::testing::Values(MseParams(4, 4, &vpx_highbd_12_mse16x16_sse2),
+                      MseParams(4, 3, &vpx_highbd_12_mse16x8_sse2),
+                      MseParams(3, 4, &vpx_highbd_12_mse8x16_sse2),
+                      MseParams(3, 3, &vpx_highbd_12_mse8x8_sse2),
+                      MseParams(4, 4, &vpx_highbd_10_mse16x16_sse2),
+                      MseParams(4, 3, &vpx_highbd_10_mse16x8_sse2),
+                      MseParams(3, 4, &vpx_highbd_10_mse8x16_sse2),
+                      MseParams(3, 3, &vpx_highbd_10_mse8x8_sse2),
+                      MseParams(4, 4, &vpx_highbd_8_mse16x16_sse2),
+                      MseParams(4, 3, &vpx_highbd_8_mse16x8_sse2),
+                      MseParams(3, 4, &vpx_highbd_8_mse8x16_sse2),
+                      MseParams(3, 3, &vpx_highbd_8_mse8x8_sse2)));
 */
 
 INSTANTIATE_TEST_CASE_P(
-    SSE2, VpxHBDVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_highbd_12_variance64x64_sse2, 12),
-                      make_tuple(6, 5, &vpx_highbd_12_variance64x32_sse2, 12),
-                      make_tuple(5, 6, &vpx_highbd_12_variance32x64_sse2, 12),
-                      make_tuple(5, 5, &vpx_highbd_12_variance32x32_sse2, 12),
-                      make_tuple(5, 4, &vpx_highbd_12_variance32x16_sse2, 12),
-                      make_tuple(4, 5, &vpx_highbd_12_variance16x32_sse2, 12),
-                      make_tuple(4, 4, &vpx_highbd_12_variance16x16_sse2, 12),
-                      make_tuple(4, 3, &vpx_highbd_12_variance16x8_sse2, 12),
-                      make_tuple(3, 4, &vpx_highbd_12_variance8x16_sse2, 12),
-                      make_tuple(3, 3, &vpx_highbd_12_variance8x8_sse2, 12),
-                      make_tuple(6, 6, &vpx_highbd_10_variance64x64_sse2, 10),
-                      make_tuple(6, 5, &vpx_highbd_10_variance64x32_sse2, 10),
-                      make_tuple(5, 6, &vpx_highbd_10_variance32x64_sse2, 10),
-                      make_tuple(5, 5, &vpx_highbd_10_variance32x32_sse2, 10),
-                      make_tuple(5, 4, &vpx_highbd_10_variance32x16_sse2, 10),
-                      make_tuple(4, 5, &vpx_highbd_10_variance16x32_sse2, 10),
-                      make_tuple(4, 4, &vpx_highbd_10_variance16x16_sse2, 10),
-                      make_tuple(4, 3, &vpx_highbd_10_variance16x8_sse2, 10),
-                      make_tuple(3, 4, &vpx_highbd_10_variance8x16_sse2, 10),
-                      make_tuple(3, 3, &vpx_highbd_10_variance8x8_sse2, 10),
-                      make_tuple(6, 6, &vpx_highbd_8_variance64x64_sse2, 8),
-                      make_tuple(6, 5, &vpx_highbd_8_variance64x32_sse2, 8),
-                      make_tuple(5, 6, &vpx_highbd_8_variance32x64_sse2, 8),
-                      make_tuple(5, 5, &vpx_highbd_8_variance32x32_sse2, 8),
-                      make_tuple(5, 4, &vpx_highbd_8_variance32x16_sse2, 8),
-                      make_tuple(4, 5, &vpx_highbd_8_variance16x32_sse2, 8),
-                      make_tuple(4, 4, &vpx_highbd_8_variance16x16_sse2, 8),
-                      make_tuple(4, 3, &vpx_highbd_8_variance16x8_sse2, 8),
-                      make_tuple(3, 4, &vpx_highbd_8_variance8x16_sse2, 8),
-                      make_tuple(3, 3, &vpx_highbd_8_variance8x8_sse2, 8)));
+    SSE2, VpxHBDVarianceTest, ::testing::Values(
+      VarianceParams(6, 6, &vpx_highbd_12_variance64x64_sse2, 12),
+      VarianceParams(6, 5, &vpx_highbd_12_variance64x32_sse2, 12),
+      VarianceParams(5, 6, &vpx_highbd_12_variance32x64_sse2, 12),
+      VarianceParams(5, 5, &vpx_highbd_12_variance32x32_sse2, 12),
+      VarianceParams(5, 4, &vpx_highbd_12_variance32x16_sse2, 12),
+      VarianceParams(4, 5, &vpx_highbd_12_variance16x32_sse2, 12),
+      VarianceParams(4, 4, &vpx_highbd_12_variance16x16_sse2, 12),
+      VarianceParams(4, 3, &vpx_highbd_12_variance16x8_sse2, 12),
+      VarianceParams(3, 4, &vpx_highbd_12_variance8x16_sse2, 12),
+      VarianceParams(3, 3, &vpx_highbd_12_variance8x8_sse2, 12),
+      VarianceParams(6, 6, &vpx_highbd_10_variance64x64_sse2, 10),
+      VarianceParams(6, 5, &vpx_highbd_10_variance64x32_sse2, 10),
+      VarianceParams(5, 6, &vpx_highbd_10_variance32x64_sse2, 10),
+      VarianceParams(5, 5, &vpx_highbd_10_variance32x32_sse2, 10),
+      VarianceParams(5, 4, &vpx_highbd_10_variance32x16_sse2, 10),
+      VarianceParams(4, 5, &vpx_highbd_10_variance16x32_sse2, 10),
+      VarianceParams(4, 4, &vpx_highbd_10_variance16x16_sse2, 10),
+      VarianceParams(4, 3, &vpx_highbd_10_variance16x8_sse2, 10),
+      VarianceParams(3, 4, &vpx_highbd_10_variance8x16_sse2, 10),
+      VarianceParams(3, 3, &vpx_highbd_10_variance8x8_sse2, 10),
+      VarianceParams(6, 6, &vpx_highbd_8_variance64x64_sse2, 8),
+      VarianceParams(6, 5, &vpx_highbd_8_variance64x32_sse2, 8),
+      VarianceParams(5, 6, &vpx_highbd_8_variance32x64_sse2, 8),
+      VarianceParams(5, 5, &vpx_highbd_8_variance32x32_sse2, 8),
+      VarianceParams(5, 4, &vpx_highbd_8_variance32x16_sse2, 8),
+      VarianceParams(4, 5, &vpx_highbd_8_variance16x32_sse2, 8),
+      VarianceParams(4, 4, &vpx_highbd_8_variance16x16_sse2, 8),
+      VarianceParams(4, 3, &vpx_highbd_8_variance16x8_sse2, 8),
+      VarianceParams(3, 4, &vpx_highbd_8_variance8x16_sse2, 8),
+      VarianceParams(3, 3, &vpx_highbd_8_variance8x8_sse2, 8)));
 
 INSTANTIATE_TEST_CASE_P(
     SSE2, VpxHBDSubpelVarianceTest,
@@ -1199,16 +1200,15 @@
 
 #if HAVE_AVX2
 INSTANTIATE_TEST_CASE_P(AVX2, VpxMseTest,
-                        ::testing::Values(make_tuple(4, 4,
-                                                     &vpx_mse16x16_avx2)));
+    ::testing::Values(MseParams(4, 4, &vpx_mse16x16_avx2)));
 
 INSTANTIATE_TEST_CASE_P(
     AVX2, VpxVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_variance64x64_avx2, 0),
-                      make_tuple(6, 5, &vpx_variance64x32_avx2, 0),
-                      make_tuple(5, 5, &vpx_variance32x32_avx2, 0),
-                      make_tuple(5, 4, &vpx_variance32x16_avx2, 0),
-                      make_tuple(4, 4, &vpx_variance16x16_avx2, 0)));
+    ::testing::Values(VarianceParams(6, 6, &vpx_variance64x64_avx2),
+                      VarianceParams(6, 5, &vpx_variance64x32_avx2),
+                      VarianceParams(5, 5, &vpx_variance32x32_avx2),
+                      VarianceParams(5, 4, &vpx_variance32x16_avx2),
+                      VarianceParams(4, 4, &vpx_variance16x16_avx2)));
 
 INSTANTIATE_TEST_CASE_P(
     AVX2, VpxSubpelVarianceTest,
@@ -1224,13 +1224,12 @@
 
 #if HAVE_MEDIA
 INSTANTIATE_TEST_CASE_P(MEDIA, VpxMseTest,
-                        ::testing::Values(make_tuple(4, 4,
-                                                     &vpx_mse16x16_media)));
+    ::testing::Values(MseParams(4, 4, &vpx_mse16x16_media)));
 
 INSTANTIATE_TEST_CASE_P(
     MEDIA, VpxVarianceTest,
-    ::testing::Values(make_tuple(4, 4, &vpx_variance16x16_media, 0),
-                      make_tuple(3, 3, &vpx_variance8x8_media, 0)));
+    ::testing::Values(VarianceParams(4, 4, &vpx_variance16x16_media),
+                      VarianceParams(3, 3, &vpx_variance8x8_media)));
 
 INSTANTIATE_TEST_CASE_P(
     MEDIA, VpxSubpelVarianceTest,
@@ -1240,23 +1239,21 @@
 
 #if HAVE_NEON
 INSTANTIATE_TEST_CASE_P(NEON, VpxSseTest,
-                        ::testing::Values(make_tuple(2, 2,
-                                                     &vpx_get4x4sse_cs_neon)));
+    ::testing::Values(SseParams(2, 2, &vpx_get4x4sse_cs_neon)));
 
 INSTANTIATE_TEST_CASE_P(NEON, VpxMseTest,
-                        ::testing::Values(make_tuple(4, 4,
-                                                     &vpx_mse16x16_neon)));
+    ::testing::Values(MseParams(4, 4, &vpx_mse16x16_neon)));
 
 INSTANTIATE_TEST_CASE_P(
     NEON, VpxVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_variance64x64_neon, 0),
-                      make_tuple(6, 5, &vpx_variance64x32_neon, 0),
-                      make_tuple(5, 6, &vpx_variance32x64_neon, 0),
-                      make_tuple(5, 5, &vpx_variance32x32_neon, 0),
-                      make_tuple(4, 4, &vpx_variance16x16_neon, 0),
-                      make_tuple(4, 3, &vpx_variance16x8_neon, 0),
-                      make_tuple(3, 4, &vpx_variance8x16_neon, 0),
-                      make_tuple(3, 3, &vpx_variance8x8_neon, 0)));
+    ::testing::Values(VarianceParams(6, 6, &vpx_variance64x64_neon),
+                      VarianceParams(6, 5, &vpx_variance64x32_neon),
+                      VarianceParams(5, 6, &vpx_variance32x64_neon),
+                      VarianceParams(5, 5, &vpx_variance32x32_neon),
+                      VarianceParams(4, 4, &vpx_variance16x16_neon),
+                      VarianceParams(4, 3, &vpx_variance16x8_neon),
+                      VarianceParams(3, 4, &vpx_variance8x16_neon),
+                      VarianceParams(3, 3, &vpx_variance8x8_neon)));
 
 INSTANTIATE_TEST_CASE_P(
     NEON, VpxSubpelVarianceTest,
@@ -1271,30 +1268,29 @@
                         ::testing::Values(vpx_get_mb_ss_msa));
 
 INSTANTIATE_TEST_CASE_P(MSA, VpxSseTest,
-                        ::testing::Values(make_tuple(2, 2,
-                                                     &vpx_get4x4sse_cs_msa)));
+    ::testing::Values(SseParams(2, 2, &vpx_get4x4sse_cs_msa)));
 
 INSTANTIATE_TEST_CASE_P(MSA, VpxMseTest,
-                        ::testing::Values(make_tuple(4, 4, &vpx_mse16x16_msa),
-                                          make_tuple(4, 3, &vpx_mse16x8_msa),
-                                          make_tuple(3, 4, &vpx_mse8x16_msa),
-                                          make_tuple(3, 3, &vpx_mse8x8_msa)));
+    ::testing::Values(MseParams(4, 4, &vpx_mse16x16_msa),
+                      MseParams(4, 3, &vpx_mse16x8_msa),
+                      MseParams(3, 4, &vpx_mse8x16_msa),
+                      MseParams(3, 3, &vpx_mse8x8_msa)));
 
 INSTANTIATE_TEST_CASE_P(
     MSA, VpxVarianceTest,
-    ::testing::Values(make_tuple(6, 6, &vpx_variance64x64_msa, 0),
-                      make_tuple(6, 5, &vpx_variance64x32_msa, 0),
-                      make_tuple(5, 6, &vpx_variance32x64_msa, 0),
-                      make_tuple(5, 5, &vpx_variance32x32_msa, 0),
-                      make_tuple(5, 4, &vpx_variance32x16_msa, 0),
-                      make_tuple(4, 5, &vpx_variance16x32_msa, 0),
-                      make_tuple(4, 4, &vpx_variance16x16_msa, 0),
-                      make_tuple(4, 3, &vpx_variance16x8_msa, 0),
-                      make_tuple(3, 4, &vpx_variance8x16_msa, 0),
-                      make_tuple(3, 3, &vpx_variance8x8_msa, 0),
-                      make_tuple(3, 2, &vpx_variance8x4_msa, 0),
-                      make_tuple(2, 3, &vpx_variance4x8_msa, 0),
-                      make_tuple(2, 2, &vpx_variance4x4_msa, 0)));
+    ::testing::Values(VarianceParams(6, 6, &vpx_variance64x64_msa),
+                      VarianceParams(6, 5, &vpx_variance64x32_msa),
+                      VarianceParams(5, 6, &vpx_variance32x64_msa),
+                      VarianceParams(5, 5, &vpx_variance32x32_msa),
+                      VarianceParams(5, 4, &vpx_variance32x16_msa),
+                      VarianceParams(4, 5, &vpx_variance16x32_msa),
+                      VarianceParams(4, 4, &vpx_variance16x16_msa),
+                      VarianceParams(4, 3, &vpx_variance16x8_msa),
+                      VarianceParams(3, 4, &vpx_variance8x16_msa),
+                      VarianceParams(3, 3, &vpx_variance8x8_msa),
+                      VarianceParams(3, 2, &vpx_variance8x4_msa),
+                      VarianceParams(2, 3, &vpx_variance4x8_msa),
+                      VarianceParams(2, 2, &vpx_variance4x4_msa)));
 
 INSTANTIATE_TEST_CASE_P(
     MSA, VpxSubpelVarianceTest,