text: /*
   * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   *
   * This source code is subject to the terms of the BSD 2 Clause License and
   * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   * was not distributed with this source code in the LICENSE file, you can
   * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   * Media Patent License 1.0 was not distributed with this source code in the
   * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  */
  
  #include <math.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "third_party/googletest/src/include/gtest/gtest.h"
  
  #include "./av1_rtcd.h"
  #include "./aom_dsp_rtcd.h"
  #include "test/acm_random.h"
  #include "test/clear_system_state.h"
  #include "test/register_state_check.h"
  #include "test/util.h"
  #include "av1/common/entropy.h"
  #include "aom/aom_codec.h"
  #include "aom/aom_integer.h"
  #include "aom_ports/mem.h"
  
  using libaom_test::ACMRandom;
  
  namespace {
  const int kNumCoeffs = 16;
  typedef void (*FdctFunc)(const int16_t *in, tran_low_t *out, int stride);
  typedef void (*IdctFunc)(const tran_low_t *in, uint8_t *out, int stride);
  typedef void (*FhtFunc)(const int16_t *in, tran_low_t *out, int stride,
                          int tx_type);
  typedef void (*IhtFunc)(const tran_low_t *in, uint8_t *out, int stride,
                          int tx_type);
  
  typedef std::tr1::tuple<FdctFunc, IdctFunc, int, aom_bit_depth_t> Dct4x4Param;
  typedef std::tr1::tuple<FhtFunc, IhtFunc, int, aom_bit_depth_t> Ht4x4Param;
  
  void fdct4x4_ref(const int16_t *in, tran_low_t *out, int stride, int tx_type) {
    aom_fdct4x4_c(in, out, stride);
  }
  
  void fht4x4_ref(const int16_t *in, tran_low_t *out, int stride, int tx_type) {
    av1_fht4x4_c(in, out, stride, tx_type);
  }
  
  void fwht4x4_ref(const int16_t *in, tran_low_t *out, int stride, int tx_type) {
    av1_fwht4x4_c(in, out, stride);
  }
  
  #if CONFIG_AOM_HIGHBITDEPTH
  void idct4x4_10(const tran_low_t *in, uint8_t *out, int stride) {
    aom_highbd_idct4x4_16_add_c(in, out, stride, 10);
  }
  
  void idct4x4_12(const tran_low_t *in, uint8_t *out, int stride) {
    aom_highbd_idct4x4_16_add_c(in, out, stride, 12);
  }
  
  void iht4x4_10(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
    av1_highbd_iht4x4_16_add_c(in, out, stride, tx_type, 10);
  }
  
  void iht4x4_12(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
    av1_highbd_iht4x4_16_add_c(in, out, stride, tx_type, 12);
  }
  
  void iwht4x4_10(const tran_low_t *in, uint8_t *out, int stride) {
    aom_highbd_iwht4x4_16_add_c(in, out, stride, 10);
  }
  
  void iwht4x4_12(const tran_low_t *in, uint8_t *out, int stride) {
    aom_highbd_iwht4x4_16_add_c(in, out, stride, 12);
  }
  
  #if HAVE_SSE2
  void idct4x4_10_sse2(const tran_low_t *in, uint8_t *out, int stride) {
    aom_highbd_idct4x4_16_add_sse2(in, out, stride, 10);
  }
  
  void idct4x4_12_sse2(const tran_low_t *in, uint8_t *out, int stride) {
    aom_highbd_idct4x4_16_add_sse2(in, out, stride, 12);
  }
  #endif  // HAVE_SSE2
  #endif  // CONFIG_AOM_HIGHBITDEPTH
  
  class Trans4x4TestBase {
   public:
    virtual ~Trans4x4TestBase() {}
  
   protected:
    virtual void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) = 0;
  
    virtual void RunInvTxfm(const tran_low_t *out, uint8_t *dst, int stride) = 0;
  
    void RunAccuracyCheck(int limit) {
      ACMRandom rnd(ACMRandom::DeterministicSeed());
      uint32_t max_error = 0;
      int64_t total_error = 0;
      const int count_test_block = 10000;
      for (int i = 0; i < count_test_block; ++i) {
        DECLARE_ALIGNED(16, int16_t, test_input_block[kNumCoeffs]);
        DECLARE_ALIGNED(16, tran_low_t, test_temp_block[kNumCoeffs]);
        DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
        DECLARE_ALIGNED(16, uint8_t, src[kNumCoeffs]);
  #if CONFIG_AOM_HIGHBITDEPTH
        DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
        DECLARE_ALIGNED(16, uint16_t, src16[kNumCoeffs]);
  #endif
  
        // Initialize a test block with input range [-255, 255].
        for (int j = 0; j < kNumCoeffs; ++j) {
          if (bit_depth_ == AOM_BITS_8) {
            src[j] = rnd.Rand8();
            dst[j] = rnd.Rand8();
            test_input_block[j] = src[j] - dst[j];
  #if CONFIG_AOM_HIGHBITDEPTH
          } else {
            src16[j] = rnd.Rand16() & mask_;
            dst16[j] = rnd.Rand16() & mask_;
            test_input_block[j] = src16[j] - dst16[j];
  #endif
          }
        }
  
        ASM_REGISTER_STATE_CHECK(
            RunFwdTxfm(test_input_block, test_temp_block, pitch_));
        if (bit_depth_ == AOM_BITS_8) {
          ASM_REGISTER_STATE_CHECK(RunInvTxfm(test_temp_block, dst, pitch_));
  #if CONFIG_AOM_HIGHBITDEPTH
        } else {
          ASM_REGISTER_STATE_CHECK(
              RunInvTxfm(test_temp_block, CONVERT_TO_BYTEPTR(dst16), pitch_));
  #endif
        }
  
        for (int j = 0; j < kNumCoeffs; ++j) {
  #if CONFIG_AOM_HIGHBITDEPTH
          const uint32_t diff =
              bit_depth_ == AOM_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
  #else
          ASSERT_EQ(AOM_BITS_8, bit_depth_);
          const uint32_t diff = dst[j] - src[j];
  #endif
          const uint32_t error = diff * diff;
          if (max_error < error) max_error = error;
          total_error += error;
        }
      }
  
      EXPECT_GE(static_cast<uint32_t>(limit), max_error)
          << "Error: 4x4 FHT/IHT has an individual round trip error > " << limit;
  
      EXPECT_GE(count_test_block * limit, total_error)
          << "Error: 4x4 FHT/IHT has average round trip error > " << limit
          << " per block";
    }
  
    void RunCoeffCheck() {
      ACMRandom rnd(ACMRandom::DeterministicSeed());
      const int count_test_block = 5000;
      DECLARE_ALIGNED(16, int16_t, input_block[kNumCoeffs]);
      DECLARE_ALIGNED(16, tran_low_t, output_ref_block[kNumCoeffs]);
      DECLARE_ALIGNED(16, tran_low_t, output_block[kNumCoeffs]);
  
      for (int i = 0; i < count_test_block; ++i) {
        // Initialize a test block with input range [-mask_, mask_].
        for (int j = 0; j < kNumCoeffs; ++j)
          input_block[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
  
        fwd_txfm_ref(input_block, output_ref_block, pitch_, tx_type_);
        ASM_REGISTER_STATE_CHECK(RunFwdTxfm(input_block, output_block, pitch_));
  
        // The minimum quant value is 4.
        for (int j = 0; j < kNumCoeffs; ++j)
          EXPECT_EQ(output_block[j], output_ref_block[j]);
      }
    }
  
    void RunMemCheck() {
      ACMRandom rnd(ACMRandom::DeterministicSeed());
      const int count_test_block = 5000;
      DECLARE_ALIGNED(16, int16_t, input_extreme_block[kNumCoeffs]);
      DECLARE_ALIGNED(16, tran_low_t, output_ref_block[kNumCoeffs]);
      DECLARE_ALIGNED(16, tran_low_t, output_block[kNumCoeffs]);
  
      for (int i = 0; i < count_test_block; ++i) {
        // Initialize a test block with input range [-mask_, mask_].
        for (int j = 0; j < kNumCoeffs; ++j) {
          input_extreme_block[j] = rnd.Rand8() % 2 ? mask_ : -mask_;
        }
        if (i == 0) {
          for (int j = 0; j < kNumCoeffs; ++j) input_extreme_block[j] = mask_;
        } else if (i == 1) {
          for (int j = 0; j < kNumCoeffs; ++j) input_extreme_block[j] = -mask_;
        }
  
        fwd_txfm_ref(input_extreme_block, output_ref_block, pitch_, tx_type_);
        ASM_REGISTER_STATE_CHECK(
            RunFwdTxfm(input_extreme_block, output_block, pitch_));
  
        // The minimum quant value is 4.
        for (int j = 0; j < kNumCoeffs; ++j) {
          EXPECT_EQ(output_block[j], output_ref_block[j]);
          EXPECT_GE(4 * DCT_MAX_VALUE << (bit_depth_ - 8), abs(output_block[j]))
              << "Error: 4x4 FDCT has coefficient larger than 4*DCT_MAX_VALUE";
        }
      }
    }
  
    void RunInvAccuracyCheck(int limit) {
      ACMRandom rnd(ACMRandom::DeterministicSeed());
      const int count_test_block = 1000;
      DECLARE_ALIGNED(16, int16_t, in[kNumCoeffs]);
      DECLARE_ALIGNED(16, tran_low_t, coeff[kNumCoeffs]);
      DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
      DECLARE_ALIGNED(16, uint8_t, src[kNumCoeffs]);
  #if CONFIG_AOM_HIGHBITDEPTH
      DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
      DECLARE_ALIGNED(16, uint16_t, src16[kNumCoeffs]);
  #endif
  
      for (int i = 0; i < count_test_block; ++i) {
        // Initialize a test block with input range [-mask_, mask_].
        for (int j = 0; j < kNumCoeffs; ++j) {
          if (bit_depth_ == AOM_BITS_8) {
            src[j] = rnd.Rand8();
            dst[j] = rnd.Rand8();
            in[j] = src[j] - dst[j];
  #if CONFIG_AOM_HIGHBITDEPTH
          } else {
            src16[j] = rnd.Rand16() & mask_;
            dst16[j] = rnd.Rand16() & mask_;
            in[j] = src16[j] - dst16[j];
  #endif
          }
        }
  
        fwd_txfm_ref(in, coeff, pitch_, tx_type_);
  
        if (bit_depth_ == AOM_BITS_8) {
          ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, pitch_));
  #if CONFIG_AOM_HIGHBITDEPTH
        } else {
          ASM_REGISTER_STATE_CHECK(
              RunInvTxfm(coeff, CONVERT_TO_BYTEPTR(dst16), pitch_));
  #endif
        }
  
        for (int j = 0; j < kNumCoeffs; ++j) {
  #if CONFIG_AOM_HIGHBITDEPTH
          const uint32_t diff =
              bit_depth_ == AOM_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
  #else
          const uint32_t diff = dst[j] - src[j];
  #endif
          const uint32_t error = diff * diff;
          EXPECT_GE(static_cast<uint32_t>(limit), error)
              << "Error: 4x4 IDCT has error " << error << " at index " << j;
        }
      }
    }
  
    int pitch_;
    int tx_type_;
    FhtFunc fwd_txfm_ref;
    aom_bit_depth_t bit_depth_;
    int mask_;
  };
  
  class Trans4x4DCT : public Trans4x4TestBase,
                      public ::testing::TestWithParam<Dct4x4Param> {
   public:
    virtual ~Trans4x4DCT() {}
  
    virtual void SetUp() {
      fwd_txfm_ = GET_PARAM(0);
      inv_txfm_ = GET_PARAM(1);
      tx_type_ = GET_PARAM(2);
      pitch_ = 4;
      fwd_txfm_ref = fdct4x4_ref;
      bit_depth_ = GET_PARAM(3);
      mask_ = (1 << bit_depth_) - 1;
    }
    virtual void TearDown() { libaom_test::ClearSystemState(); }
  
   protected:
    void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {
      fwd_txfm_(in, out, stride);
    }
    void RunInvTxfm(const tran_low_t *out, uint8_t *dst, int stride) {
      inv_txfm_(out, dst, stride);
    }
  
    FdctFunc fwd_txfm_;
    IdctFunc inv_txfm_;
  };
  
  TEST_P(Trans4x4DCT, AccuracyCheck) { RunAccuracyCheck(1); }
  
  TEST_P(Trans4x4DCT, CoeffCheck) { RunCoeffCheck(); }
  
  TEST_P(Trans4x4DCT, MemCheck) { RunMemCheck(); }
  
  TEST_P(Trans4x4DCT, InvAccuracyCheck) { RunInvAccuracyCheck(1); }
  
  class Trans4x4HT : public Trans4x4TestBase,
                     public ::testing::TestWithParam<Ht4x4Param> {
   public:
    virtual ~Trans4x4HT() {}
  
    virtual void SetUp() {
      fwd_txfm_ = GET_PARAM(0);
      inv_txfm_ = GET_PARAM(1);
      tx_type_ = GET_PARAM(2);
      pitch_ = 4;
      fwd_txfm_ref = fht4x4_ref;
      bit_depth_ = GET_PARAM(3);
      mask_ = (1 << bit_depth_) - 1;
    }
    virtual void TearDown() { libaom_test::ClearSystemState(); }
  
   protected:
    void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {
      fwd_txfm_(in, out, stride, tx_type_);
    }
  
    void RunInvTxfm(const tran_low_t *out, uint8_t *dst, int stride) {
      inv_txfm_(out, dst, stride, tx_type_);
    }
  
    FhtFunc fwd_txfm_;
    IhtFunc inv_txfm_;
  };
  
  TEST_P(Trans4x4HT, AccuracyCheck) { RunAccuracyCheck(1); }
  
  TEST_P(Trans4x4HT, CoeffCheck) { RunCoeffCheck(); }
  
  TEST_P(Trans4x4HT, MemCheck) { RunMemCheck(); }
  
  TEST_P(Trans4x4HT, InvAccuracyCheck) { RunInvAccuracyCheck(1); }
  
  class Trans4x4WHT : public Trans4x4TestBase,
                      public ::testing::TestWithParam<Dct4x4Param> {
   public:
    virtual ~Trans4x4WHT() {}
  
    virtual void SetUp() {
      fwd_txfm_ = GET_PARAM(0);
      inv_txfm_ = GET_PARAM(1);
      tx_type_ = GET_PARAM(2);
      pitch_ = 4;
      fwd_txfm_ref = fwht4x4_ref;
      bit_depth_ = GET_PARAM(3);
      mask_ = (1 << bit_depth_) - 1;
    }
    virtual void TearDown() { libaom_test::ClearSystemState(); }
  
   protected:
    void RunFwdTxfm(const int16_t *in, tran_low_t *out, int stride) {
      fwd_txfm_(in, out, stride);
    }
    void RunInvTxfm(const tran_low_t *out, uint8_t *dst, int stride) {
      inv_txfm_(out, dst, stride);
    }
  
    FdctFunc fwd_txfm_;
    IdctFunc inv_txfm_;
  };
  
  TEST_P(Trans4x4WHT, AccuracyCheck) { RunAccuracyCheck(0); }
  
  TEST_P(Trans4x4WHT, CoeffCheck) { RunCoeffCheck(); }
  
  TEST_P(Trans4x4WHT, MemCheck) { RunMemCheck(); }
  
  TEST_P(Trans4x4WHT, InvAccuracyCheck) { RunInvAccuracyCheck(0); }
  using std::tr1::make_tuple;
  
  #if CONFIG_AOM_HIGHBITDEPTH
  INSTANTIATE_TEST_CASE_P(
      C, Trans4x4DCT,
      ::testing::Values(
          make_tuple(&aom_highbd_fdct4x4_c, &idct4x4_10, 0, AOM_BITS_10),
          make_tuple(&aom_highbd_fdct4x4_c, &idct4x4_12, 0, AOM_BITS_12),
          make_tuple(&aom_fdct4x4_c, &aom_idct4x4_16_add_c, 0, AOM_BITS_8)));
  #else
  INSTANTIATE_TEST_CASE_P(C, Trans4x4DCT,
                          ::testing::Values(make_tuple(&aom_fdct4x4_c,
                                                       &aom_idct4x4_16_add_c, 0,
                                                       AOM_BITS_8)));
  #endif  // CONFIG_AOM_HIGHBITDEPTH
  
  #if CONFIG_AOM_HIGHBITDEPTH
  INSTANTIATE_TEST_CASE_P(
      C, Trans4x4HT,
      ::testing::Values(
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_10, 0, AOM_BITS_10),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_10, 1, AOM_BITS_10),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_10, 2, AOM_BITS_10),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_10, 3, AOM_BITS_10),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_12, 0, AOM_BITS_12),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_12, 1, AOM_BITS_12),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_12, 2, AOM_BITS_12),
          make_tuple(&av1_highbd_fht4x4_c, &iht4x4_12, 3, AOM_BITS_12),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 0, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 1, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 2, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 3, AOM_BITS_8)));
  #else
  INSTANTIATE_TEST_CASE_P(
      C, Trans4x4HT,
      ::testing::Values(
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 0, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 1, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 2, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_c, 3, AOM_BITS_8)));
  #endif  // CONFIG_AOM_HIGHBITDEPTH
  
  #if CONFIG_AOM_HIGHBITDEPTH
  INSTANTIATE_TEST_CASE_P(
      C, Trans4x4WHT,
      ::testing::Values(
          make_tuple(&av1_highbd_fwht4x4_c, &iwht4x4_10, 0, AOM_BITS_10),
          make_tuple(&av1_highbd_fwht4x4_c, &iwht4x4_12, 0, AOM_BITS_12),
          make_tuple(&av1_fwht4x4_c, &aom_iwht4x4_16_add_c, 0, AOM_BITS_8)));
  #else
  INSTANTIATE_TEST_CASE_P(C, Trans4x4WHT,
                          ::testing::Values(make_tuple(&av1_fwht4x4_c,
                                                       &aom_iwht4x4_16_add_c, 0,
                                                       AOM_BITS_8)));
  #endif  // CONFIG_AOM_HIGHBITDEPTH
  
  #if HAVE_NEON_ASM && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  INSTANTIATE_TEST_CASE_P(NEON, Trans4x4DCT,
                          ::testing::Values(make_tuple(&aom_fdct4x4_c,
                                                       &aom_idct4x4_16_add_neon,
                                                       0, AOM_BITS_8)));
  #endif  // HAVE_NEON_ASM && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  
  #if HAVE_NEON && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  INSTANTIATE_TEST_CASE_P(
      NEON, Trans4x4HT,
      ::testing::Values(
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_neon, 0, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_neon, 1, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_neon, 2, AOM_BITS_8),
          make_tuple(&av1_fht4x4_c, &av1_iht4x4_16_add_neon, 3, AOM_BITS_8)));
  #endif  // HAVE_NEON && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  
  #if CONFIG_USE_X86INC && HAVE_SSE2 && !CONFIG_EMULATE_HARDWARE
  INSTANTIATE_TEST_CASE_P(
      SSE2, Trans4x4WHT,
      ::testing::Values(
          make_tuple(&av1_fwht4x4_sse2, &aom_iwht4x4_16_add_c, 0, AOM_BITS_8),
          make_tuple(&av1_fwht4x4_c, &aom_iwht4x4_16_add_sse2, 0, AOM_BITS_8)));
  #endif
  
  #if HAVE_SSE2 && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  INSTANTIATE_TEST_CASE_P(SSE2, Trans4x4DCT,
                          ::testing::Values(make_tuple(&aom_fdct4x4_sse2,
                                                       &aom_idct4x4_16_add_sse2,
                                                       0, AOM_BITS_8)));
  INSTANTIATE_TEST_CASE_P(
      SSE2, Trans4x4HT,
      ::testing::Values(
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 0, AOM_BITS_8),
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 1, AOM_BITS_8),
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 2, AOM_BITS_8),
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_sse2, 3, AOM_BITS_8)));
  #endif  // HAVE_SSE2 && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  
  #if HAVE_SSE2 && CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  INSTANTIATE_TEST_CASE_P(
      SSE2, Trans4x4DCT,
      ::testing::Values(
          make_tuple(&aom_highbd_fdct4x4_c, &idct4x4_10_sse2, 0, AOM_BITS_10),
          make_tuple(&aom_highbd_fdct4x4_sse2, &idct4x4_10_sse2, 0, AOM_BITS_10),
          make_tuple(&aom_highbd_fdct4x4_c, &idct4x4_12_sse2, 0, AOM_BITS_12),
          make_tuple(&aom_highbd_fdct4x4_sse2, &idct4x4_12_sse2, 0, AOM_BITS_12),
          make_tuple(&aom_fdct4x4_sse2, &aom_idct4x4_16_add_c, 0, AOM_BITS_8)));
  
  INSTANTIATE_TEST_CASE_P(
      SSE2, Trans4x4HT,
      ::testing::Values(
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_c, 0, AOM_BITS_8),
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_c, 1, AOM_BITS_8),
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_c, 2, AOM_BITS_8),
          make_tuple(&av1_fht4x4_sse2, &av1_iht4x4_16_add_c, 3, AOM_BITS_8)));
  #endif  // HAVE_SSE2 && CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  
  #if HAVE_MSA && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  INSTANTIATE_TEST_CASE_P(MSA, Trans4x4DCT,
                          ::testing::Values(make_tuple(&aom_fdct4x4_msa,
                                                       &aom_idct4x4_16_add_msa, 0,
                                                       AOM_BITS_8)));
  INSTANTIATE_TEST_CASE_P(
      MSA, Trans4x4HT,
      ::testing::Values(
          make_tuple(&av1_fht4x4_msa, &av1_iht4x4_16_add_msa, 0, AOM_BITS_8),
          make_tuple(&av1_fht4x4_msa, &av1_iht4x4_16_add_msa, 1, AOM_BITS_8),
          make_tuple(&av1_fht4x4_msa, &av1_iht4x4_16_add_msa, 2, AOM_BITS_8),
          make_tuple(&av1_fht4x4_msa, &av1_iht4x4_16_add_msa, 3, AOM_BITS_8)));
  #endif  // HAVE_MSA && !CONFIG_AOM_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
  }  // namespace
  