lpf_8_test.cc 26.1 KB
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/*
 *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include <cmath>
#include <cstdlib>
#include <string>

#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"

#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_entropy.h"
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#include "vp9/common/vp9_loopfilter.h"
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#include "vpx/vpx_integer.h"

using libvpx_test::ACMRandom;

namespace {
// Horizontally and Vertically need 32x32: 8  Coeffs preceeding filtered section
//                                         16 Coefs within filtered section
//                                         8  Coeffs following filtered section
const int kNumCoeffs = 1024;

const int number_of_iterations = 10000;

#if CONFIG_VP9_HIGHBITDEPTH
typedef void (*loop_op_t)(uint16_t *s, int p, const uint8_t *blimit,
                          const uint8_t *limit, const uint8_t *thresh,
                          int count, int bd);
typedef void (*dual_loop_op_t)(uint16_t *s, int p, const uint8_t *blimit0,
                               const uint8_t *limit0, const uint8_t *thresh0,
                               const uint8_t *blimit1, const uint8_t *limit1,
                               const uint8_t *thresh1, int bd);
#else
typedef void (*loop_op_t)(uint8_t *s, int p, const uint8_t *blimit,
                          const uint8_t *limit, const uint8_t *thresh,
                          int count);
typedef void (*dual_loop_op_t)(uint8_t *s, int p, const uint8_t *blimit0,
                               const uint8_t *limit0, const uint8_t *thresh0,
                               const uint8_t *blimit1, const uint8_t *limit1,
                               const uint8_t *thresh1);
#endif  // CONFIG_VP9_HIGHBITDEPTH

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typedef std::tr1::tuple<loop_op_t, loop_op_t, int, int> loop8_param_t;
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typedef std::tr1::tuple<dual_loop_op_t, dual_loop_op_t, int> dualloop8_param_t;

#if HAVE_SSE2
#if CONFIG_VP9_HIGHBITDEPTH
void wrapper_vertical_16_sse2(uint16_t *s, int p, const uint8_t *blimit,
                              const uint8_t *limit, const uint8_t *thresh,
                              int count, int bd) {
  vp9_highbd_lpf_vertical_16_sse2(s, p, blimit, limit, thresh, bd);
}

void wrapper_vertical_16_c(uint16_t *s, int p, const uint8_t *blimit,
                           const uint8_t *limit, const uint8_t *thresh,
                           int count, int bd) {
  vp9_highbd_lpf_vertical_16_c(s, p, blimit, limit, thresh, bd);
}

void wrapper_vertical_16_dual_sse2(uint16_t *s, int p, const uint8_t *blimit,
                                   const uint8_t *limit, const uint8_t *thresh,
                                   int count, int bd) {
  vp9_highbd_lpf_vertical_16_dual_sse2(s, p, blimit, limit, thresh, bd);
}

void wrapper_vertical_16_dual_c(uint16_t *s, int p, const uint8_t *blimit,
                                const uint8_t *limit, const uint8_t *thresh,
                                int count, int bd) {
  vp9_highbd_lpf_vertical_16_dual_c(s, p, blimit, limit, thresh, bd);
}
#else
void wrapper_vertical_16_sse2(uint8_t *s, int p, const uint8_t *blimit,
                              const uint8_t *limit, const uint8_t *thresh,
                              int count) {
  vp9_lpf_vertical_16_sse2(s, p, blimit, limit, thresh);
}

void wrapper_vertical_16_c(uint8_t *s, int p, const uint8_t *blimit,
                           const uint8_t *limit, const uint8_t *thresh,
                           int count) {
  vp9_lpf_vertical_16_c(s, p, blimit, limit, thresh);
}

void wrapper_vertical_16_dual_sse2(uint8_t *s, int p, const uint8_t *blimit,
                                   const uint8_t *limit, const uint8_t *thresh,
                                   int count) {
  vp9_lpf_vertical_16_dual_sse2(s, p, blimit, limit, thresh);
}

void wrapper_vertical_16_dual_c(uint8_t *s, int p, const uint8_t *blimit,
                                const uint8_t *limit, const uint8_t *thresh,
                                int count) {
  vp9_lpf_vertical_16_dual_c(s, p, blimit, limit, thresh);
}
#endif  // CONFIG_VP9_HIGHBITDEPTH
#endif  // HAVE_SSE2

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#if HAVE_NEON_ASM
#if CONFIG_VP9_HIGHBITDEPTH
// No neon high bitdepth functions.
#else
void wrapper_vertical_16_neon(uint8_t *s, int p, const uint8_t *blimit,
                              const uint8_t *limit, const uint8_t *thresh,
                              int count) {
  vp9_lpf_vertical_16_neon(s, p, blimit, limit, thresh);
}

void wrapper_vertical_16_c(uint8_t *s, int p, const uint8_t *blimit,
                           const uint8_t *limit, const uint8_t *thresh,
                           int count) {
  vp9_lpf_vertical_16_c(s, p, blimit, limit, thresh);
}

void wrapper_vertical_16_dual_neon(uint8_t *s, int p, const uint8_t *blimit,
                                   const uint8_t *limit, const uint8_t *thresh,
                                   int count) {
  vp9_lpf_vertical_16_dual_neon(s, p, blimit, limit, thresh);
}

void wrapper_vertical_16_dual_c(uint8_t *s, int p, const uint8_t *blimit,
                                const uint8_t *limit, const uint8_t *thresh,
                                int count) {
  vp9_lpf_vertical_16_dual_c(s, p, blimit, limit, thresh);
}
#endif  // CONFIG_VP9_HIGHBITDEPTH
#endif  // HAVE_NEON_ASM

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class Loop8Test6Param : public ::testing::TestWithParam<loop8_param_t> {
 public:
  virtual ~Loop8Test6Param() {}
  virtual void SetUp() {
    loopfilter_op_ = GET_PARAM(0);
    ref_loopfilter_op_ = GET_PARAM(1);
    bit_depth_ = GET_PARAM(2);
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    count_ = GET_PARAM(3);
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    mask_ = (1 << bit_depth_) - 1;
  }

  virtual void TearDown() { libvpx_test::ClearSystemState(); }

 protected:
  int bit_depth_;
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  int count_;
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  int mask_;
  loop_op_t loopfilter_op_;
  loop_op_t ref_loopfilter_op_;
};

class Loop8Test9Param : public ::testing::TestWithParam<dualloop8_param_t> {
 public:
  virtual ~Loop8Test9Param() {}
  virtual void SetUp() {
    loopfilter_op_ = GET_PARAM(0);
    ref_loopfilter_op_ = GET_PARAM(1);
    bit_depth_ = GET_PARAM(2);
    mask_ = (1 << bit_depth_) - 1;
  }

  virtual void TearDown() { libvpx_test::ClearSystemState(); }

 protected:
  int bit_depth_;
  int mask_;
  dual_loop_op_t loopfilter_op_;
  dual_loop_op_t ref_loopfilter_op_;
};

TEST_P(Loop8Test6Param, OperationCheck) {
  ACMRandom rnd(ACMRandom::DeterministicSeed());
  const int count_test_block = number_of_iterations;
#if CONFIG_VP9_HIGHBITDEPTH
  int32_t bd = bit_depth_;
  DECLARE_ALIGNED_ARRAY(16, uint16_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(16, uint16_t, ref_s, kNumCoeffs);
#else
  DECLARE_ALIGNED_ARRAY(8, uint8_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(8, uint8_t, ref_s, kNumCoeffs);
#endif  // CONFIG_VP9_HIGHBITDEPTH
  int err_count_total = 0;
  int first_failure = -1;
  for (int i = 0; i < count_test_block; ++i) {
    int err_count = 0;
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    uint8_t tmp = static_cast<uint8_t>(rnd(3 * MAX_LOOP_FILTER + 4));
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    DECLARE_ALIGNED(16, const uint8_t, blimit[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(MAX_LOOP_FILTER));
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    DECLARE_ALIGNED(16, const uint8_t, limit[16])  = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    tmp = rnd.Rand8();
    DECLARE_ALIGNED(16, const uint8_t, thresh[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    int32_t p = kNumCoeffs/32;

    uint16_t tmp_s[kNumCoeffs];
    int j = 0;
    while (j < kNumCoeffs) {
      uint8_t val = rnd.Rand8();
      if (val & 0x80) {  // 50% chance to choose a new value.
        tmp_s[j] = rnd.Rand16();
        j++;
      } else {  // 50% chance to repeat previous value in row X times
        int k = 0;
        while (k++ < ((val & 0x1f) + 1) && j < kNumCoeffs) {
          if (j < 1) {
            tmp_s[j] = rnd.Rand16();
          } else if (val & 0x20) {  // Increment by an value within the limit
            tmp_s[j] = (tmp_s[j - 1] + (*limit - 1));
          } else {  // Decrement by an value within the limit
            tmp_s[j] = (tmp_s[j - 1] - (*limit - 1));
          }
          j++;
        }
      }
    }
    for (j = 0; j < kNumCoeffs; j++) {
      if (i % 2) {
        s[j] = tmp_s[j] & mask_;
      } else {
        s[j] = tmp_s[p * (j % p) + j / p] & mask_;
      }
      ref_s[j] = s[j];
    }
#if CONFIG_VP9_HIGHBITDEPTH
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    ref_loopfilter_op_(ref_s + 8 + p * 8, p, blimit, limit, thresh, count_, bd);
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    ASM_REGISTER_STATE_CHECK(
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        loopfilter_op_(s + 8 + p * 8, p, blimit, limit, thresh, count_, bd));
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#else
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    ref_loopfilter_op_(ref_s+8+p*8, p, blimit, limit, thresh, count_);
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    ASM_REGISTER_STATE_CHECK(
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        loopfilter_op_(s + 8 + p * 8, p, blimit, limit, thresh, count_));
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#endif  // CONFIG_VP9_HIGHBITDEPTH

    for (int j = 0; j < kNumCoeffs; ++j) {
      err_count += ref_s[j] != s[j];
    }
    if (err_count && !err_count_total) {
      first_failure = i;
    }
    err_count_total += err_count;
  }
  EXPECT_EQ(0, err_count_total)
      << "Error: Loop8Test6Param, C output doesn't match SSE2 "
         "loopfilter output. "
      << "First failed at test case " << first_failure;
}

TEST_P(Loop8Test6Param, ValueCheck) {
  ACMRandom rnd(ACMRandom::DeterministicSeed());
  const int count_test_block = number_of_iterations;
#if CONFIG_VP9_HIGHBITDEPTH
  const int32_t bd = bit_depth_;
  DECLARE_ALIGNED_ARRAY(16, uint16_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(16, uint16_t, ref_s, kNumCoeffs);
#else
  DECLARE_ALIGNED_ARRAY(8, uint8_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(8, uint8_t, ref_s, kNumCoeffs);
#endif  // CONFIG_VP9_HIGHBITDEPTH
  int err_count_total = 0;
  int first_failure = -1;
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  // NOTE: The code in vp9_loopfilter.c:update_sharpness computes mblim as a
  // function of sharpness_lvl and the loopfilter lvl as:
  // block_inside_limit = lvl >> ((sharpness_lvl > 0) + (sharpness_lvl > 4));
  // ...
  // vpx_memset(lfi->lfthr[lvl].mblim, (2 * (lvl + 2) + block_inside_limit),
  //            SIMD_WIDTH);
  // This means that the largest value for mblim will occur when sharpness_lvl
  // is equal to 0, and lvl is equal to its greatest value (MAX_LOOP_FILTER).
  // In this case block_inside_limit will be equal to MAX_LOOP_FILTER and
  // therefore mblim will be equal to (2 * (lvl + 2) + block_inside_limit) =
  // 2 * (MAX_LOOP_FILTER + 2) + MAX_LOOP_FILTER = 3 * MAX_LOOP_FILTER + 4

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  for (int i = 0; i < count_test_block; ++i) {
    int err_count = 0;
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    uint8_t tmp = static_cast<uint8_t>(rnd(3 * MAX_LOOP_FILTER + 4));
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    DECLARE_ALIGNED(16, const uint8_t, blimit[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(MAX_LOOP_FILTER));
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    DECLARE_ALIGNED(16, const uint8_t, limit[16])  = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    tmp = rnd.Rand8();
    DECLARE_ALIGNED(16, const uint8_t, thresh[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    int32_t p = kNumCoeffs / 32;
    for (int j = 0; j < kNumCoeffs; ++j) {
      s[j] = rnd.Rand16() & mask_;
      ref_s[j] = s[j];
    }
#if CONFIG_VP9_HIGHBITDEPTH
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    ref_loopfilter_op_(ref_s + 8 + p * 8, p, blimit, limit, thresh, count_, bd);
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    ASM_REGISTER_STATE_CHECK(
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        loopfilter_op_(s + 8 + p * 8, p, blimit, limit, thresh, count_, bd));
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#else
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    ref_loopfilter_op_(ref_s+8+p*8, p, blimit, limit, thresh, count_);
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    ASM_REGISTER_STATE_CHECK(
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        loopfilter_op_(s + 8 + p * 8, p, blimit, limit, thresh, count_));
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#endif  // CONFIG_VP9_HIGHBITDEPTH
    for (int j = 0; j < kNumCoeffs; ++j) {
      err_count += ref_s[j] != s[j];
    }
    if (err_count && !err_count_total) {
      first_failure = i;
    }
    err_count_total += err_count;
  }
  EXPECT_EQ(0, err_count_total)
      << "Error: Loop8Test6Param, C output doesn't match SSE2 "
         "loopfilter output. "
      << "First failed at test case " << first_failure;
}

TEST_P(Loop8Test9Param, OperationCheck) {
  ACMRandom rnd(ACMRandom::DeterministicSeed());
  const int count_test_block = number_of_iterations;
#if CONFIG_VP9_HIGHBITDEPTH
  const int32_t bd = bit_depth_;
  DECLARE_ALIGNED_ARRAY(16, uint16_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(16, uint16_t, ref_s, kNumCoeffs);
#else
  DECLARE_ALIGNED_ARRAY(8,  uint8_t,  s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(8,  uint8_t,  ref_s, kNumCoeffs);
#endif  // CONFIG_VP9_HIGHBITDEPTH
  int err_count_total = 0;
  int first_failure = -1;
  for (int i = 0; i < count_test_block; ++i) {
    int err_count = 0;
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    uint8_t tmp = static_cast<uint8_t>(rnd(3 * MAX_LOOP_FILTER + 4));
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    DECLARE_ALIGNED(16, const uint8_t, blimit0[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(MAX_LOOP_FILTER));
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    DECLARE_ALIGNED(16, const uint8_t, limit0[16])  = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    tmp = rnd.Rand8();
    DECLARE_ALIGNED(16, const uint8_t, thresh0[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(3 * MAX_LOOP_FILTER + 4));
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    DECLARE_ALIGNED(16, const uint8_t, blimit1[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(MAX_LOOP_FILTER));
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    DECLARE_ALIGNED(16, const uint8_t, limit1[16])  = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    tmp = rnd.Rand8();
    DECLARE_ALIGNED(16, const uint8_t, thresh1[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    int32_t p = kNumCoeffs / 32;
    uint16_t tmp_s[kNumCoeffs];
    int j = 0;
    const uint8_t limit = *limit0 < *limit1 ? *limit0 : *limit1;
    while (j < kNumCoeffs) {
      uint8_t val = rnd.Rand8();
      if (val & 0x80) {  // 50% chance to choose a new value.
        tmp_s[j] = rnd.Rand16();
        j++;
      } else {  // 50% chance to repeat previous value in row X times.
        int k = 0;
        while (k++ < ((val & 0x1f) + 1) && j < kNumCoeffs) {
          if (j < 1) {
            tmp_s[j] = rnd.Rand16();
          } else if (val & 0x20) {  // Increment by a value within the limit.
            tmp_s[j] = (tmp_s[j - 1] + (limit - 1));
          } else {  // Decrement by an value within the limit.
            tmp_s[j] = (tmp_s[j - 1] - (limit - 1));
          }
          j++;
        }
      }
    }
    for (j = 0; j < kNumCoeffs; j++) {
      if (i % 2) {
        s[j] = tmp_s[j] & mask_;
      } else {
        s[j] = tmp_s[p * (j % p) + j / p] & mask_;
      }
      ref_s[j] = s[j];
    }
#if CONFIG_VP9_HIGHBITDEPTH
    ref_loopfilter_op_(ref_s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1, bd);
    ASM_REGISTER_STATE_CHECK(
        loopfilter_op_(s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1, bd));
#else
    ref_loopfilter_op_(ref_s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1);
    ASM_REGISTER_STATE_CHECK(
        loopfilter_op_(s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1));
#endif  // CONFIG_VP9_HIGHBITDEPTH
    for (int j = 0; j < kNumCoeffs; ++j) {
      err_count += ref_s[j] != s[j];
    }
    if (err_count && !err_count_total) {
      first_failure = i;
    }
    err_count_total += err_count;
  }
  EXPECT_EQ(0, err_count_total)
      << "Error: Loop8Test9Param, C output doesn't match SSE2 "
         "loopfilter output. "
      << "First failed at test case " << first_failure;
}

TEST_P(Loop8Test9Param, ValueCheck) {
  ACMRandom rnd(ACMRandom::DeterministicSeed());
  const int count_test_block = number_of_iterations;
#if CONFIG_VP9_HIGHBITDEPTH
  DECLARE_ALIGNED_ARRAY(16, uint16_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(16, uint16_t, ref_s, kNumCoeffs);
#else
  DECLARE_ALIGNED_ARRAY(8,  uint8_t, s, kNumCoeffs);
  DECLARE_ALIGNED_ARRAY(8,  uint8_t, ref_s, kNumCoeffs);
#endif  // CONFIG_VP9_HIGHBITDEPTH
  int err_count_total = 0;
  int first_failure = -1;
  for (int i = 0; i < count_test_block; ++i) {
    int err_count = 0;
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    uint8_t tmp = static_cast<uint8_t>(rnd(3 * MAX_LOOP_FILTER + 4));
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    DECLARE_ALIGNED(16, const uint8_t, blimit0[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(MAX_LOOP_FILTER));
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    DECLARE_ALIGNED(16, const uint8_t, limit0[16])  = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    tmp = rnd.Rand8();
    DECLARE_ALIGNED(16, const uint8_t, thresh0[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(3 * MAX_LOOP_FILTER + 4));
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    DECLARE_ALIGNED(16, const uint8_t, blimit1[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
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    tmp = static_cast<uint8_t>(rnd(MAX_LOOP_FILTER));
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    DECLARE_ALIGNED(16, const uint8_t, limit1[16])  = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    tmp = rnd.Rand8();
    DECLARE_ALIGNED(16, const uint8_t, thresh1[16]) = {
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp,
        tmp, tmp, tmp, tmp, tmp, tmp, tmp, tmp
    };
    int32_t p = kNumCoeffs / 32;  // TODO(pdlf) can we have non-square here?
    for (int j = 0; j < kNumCoeffs; ++j) {
      s[j] = rnd.Rand16() & mask_;
      ref_s[j] = s[j];
    }
#if CONFIG_VP9_HIGHBITDEPTH
    const int32_t bd = bit_depth_;
    ref_loopfilter_op_(ref_s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1, bd);
    ASM_REGISTER_STATE_CHECK(
        loopfilter_op_(s + 8 + p * 8, p, blimit0, limit0,
                       thresh0, blimit1, limit1, thresh1, bd));
#else
    ref_loopfilter_op_(ref_s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1);
    ASM_REGISTER_STATE_CHECK(
        loopfilter_op_(s + 8 + p * 8, p, blimit0, limit0, thresh0,
                       blimit1, limit1, thresh1));
#endif  // CONFIG_VP9_HIGHBITDEPTH
    for (int j = 0; j < kNumCoeffs; ++j) {
      err_count += ref_s[j] != s[j];
    }
    if (err_count && !err_count_total) {
      first_failure = i;
    }
    err_count_total += err_count;
  }
  EXPECT_EQ(0, err_count_total)
      << "Error: Loop8Test9Param, C output doesn't match SSE2"
         "loopfilter output. "
      << "First failed at test case " << first_failure;
}

using std::tr1::make_tuple;

#if HAVE_SSE2
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_CASE_P(
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    SSE2, Loop8Test6Param,
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    ::testing::Values(
        make_tuple(&vp9_highbd_lpf_horizontal_4_sse2,
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                   &vp9_highbd_lpf_horizontal_4_c, 8, 1),
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        make_tuple(&vp9_highbd_lpf_vertical_4_sse2,
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                   &vp9_highbd_lpf_vertical_4_c, 8, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_8_sse2,
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                   &vp9_highbd_lpf_horizontal_8_c, 8, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_16_sse2,
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                   &vp9_highbd_lpf_horizontal_16_c, 8, 1),
        make_tuple(&vp9_highbd_lpf_horizontal_16_sse2,
                   &vp9_highbd_lpf_horizontal_16_c, 8, 2),
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        make_tuple(&vp9_highbd_lpf_vertical_8_sse2,
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                   &vp9_highbd_lpf_vertical_8_c, 8, 1),
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        make_tuple(&wrapper_vertical_16_sse2,
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                   &wrapper_vertical_16_c, 8, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_4_sse2,
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                   &vp9_highbd_lpf_horizontal_4_c, 10, 1),
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        make_tuple(&vp9_highbd_lpf_vertical_4_sse2,
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                   &vp9_highbd_lpf_vertical_4_c, 10, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_8_sse2,
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                   &vp9_highbd_lpf_horizontal_8_c, 10, 1),
        make_tuple(&vp9_highbd_lpf_horizontal_16_sse2,
                   &vp9_highbd_lpf_horizontal_16_c, 10, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_16_sse2,
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                   &vp9_highbd_lpf_horizontal_16_c, 10, 2),
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        make_tuple(&vp9_highbd_lpf_vertical_8_sse2,
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                   &vp9_highbd_lpf_vertical_8_c, 10, 1),
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        make_tuple(&wrapper_vertical_16_sse2,
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                   &wrapper_vertical_16_c, 10, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_4_sse2,
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                   &vp9_highbd_lpf_horizontal_4_c, 12, 1),
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        make_tuple(&vp9_highbd_lpf_vertical_4_sse2,
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                   &vp9_highbd_lpf_vertical_4_c, 12, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_8_sse2,
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                   &vp9_highbd_lpf_horizontal_8_c, 12, 1),
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        make_tuple(&vp9_highbd_lpf_horizontal_16_sse2,
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                   &vp9_highbd_lpf_horizontal_16_c, 12, 1),
        make_tuple(&vp9_highbd_lpf_horizontal_16_sse2,
                   &vp9_highbd_lpf_horizontal_16_c, 12, 2),
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        make_tuple(&vp9_highbd_lpf_vertical_8_sse2,
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                   &vp9_highbd_lpf_vertical_8_c, 12, 1),
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        make_tuple(&wrapper_vertical_16_sse2,
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                   &wrapper_vertical_16_c, 12, 1),
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        make_tuple(&wrapper_vertical_16_dual_sse2,
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                   &wrapper_vertical_16_dual_c, 8, 1),
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        make_tuple(&wrapper_vertical_16_dual_sse2,
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                   &wrapper_vertical_16_dual_c, 10, 1),
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        make_tuple(&wrapper_vertical_16_dual_sse2,
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                   &wrapper_vertical_16_dual_c, 12, 1)));
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#else
INSTANTIATE_TEST_CASE_P(
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    SSE2, Loop8Test6Param,
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    ::testing::Values(
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        make_tuple(&vp9_lpf_horizontal_8_sse2, &vp9_lpf_horizontal_8_c, 8, 1),
        make_tuple(&vp9_lpf_horizontal_16_sse2, &vp9_lpf_horizontal_16_c, 8, 1),
        make_tuple(&vp9_lpf_horizontal_16_sse2, &vp9_lpf_horizontal_16_c, 8, 2),
        make_tuple(&vp9_lpf_vertical_8_sse2, &vp9_lpf_vertical_8_c, 8, 1),
        make_tuple(&wrapper_vertical_16_sse2, &wrapper_vertical_16_c, 8, 1)));
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#endif  // CONFIG_VP9_HIGHBITDEPTH
#endif

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#if HAVE_AVX2 && (!CONFIG_VP9_HIGHBITDEPTH)
INSTANTIATE_TEST_CASE_P(
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    AVX2, Loop8Test6Param,
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    ::testing::Values(
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        make_tuple(&vp9_lpf_horizontal_16_avx2, &vp9_lpf_horizontal_16_c, 8, 1),
        make_tuple(&vp9_lpf_horizontal_16_avx2, &vp9_lpf_horizontal_16_c, 8,
                   2)));
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#endif

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#if HAVE_SSE2
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_CASE_P(
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    SSE2, Loop8Test9Param,
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    ::testing::Values(
        make_tuple(&vp9_highbd_lpf_horizontal_4_dual_sse2,
                   &vp9_highbd_lpf_horizontal_4_dual_c, 8),
        make_tuple(&vp9_highbd_lpf_horizontal_8_dual_sse2,
                   &vp9_highbd_lpf_horizontal_8_dual_c, 8),
        make_tuple(&vp9_highbd_lpf_vertical_4_dual_sse2,
                   &vp9_highbd_lpf_vertical_4_dual_c, 8),
        make_tuple(&vp9_highbd_lpf_vertical_8_dual_sse2,
                   &vp9_highbd_lpf_vertical_8_dual_c, 8),
        make_tuple(&vp9_highbd_lpf_horizontal_4_dual_sse2,
                   &vp9_highbd_lpf_horizontal_4_dual_c, 10),
        make_tuple(&vp9_highbd_lpf_horizontal_8_dual_sse2,
                   &vp9_highbd_lpf_horizontal_8_dual_c, 10),
        make_tuple(&vp9_highbd_lpf_vertical_4_dual_sse2,
                   &vp9_highbd_lpf_vertical_4_dual_c, 10),
        make_tuple(&vp9_highbd_lpf_vertical_8_dual_sse2,
                   &vp9_highbd_lpf_vertical_8_dual_c, 10),
        make_tuple(&vp9_highbd_lpf_horizontal_4_dual_sse2,
                   &vp9_highbd_lpf_horizontal_4_dual_c, 12),
        make_tuple(&vp9_highbd_lpf_horizontal_8_dual_sse2,
                   &vp9_highbd_lpf_horizontal_8_dual_c, 12),
        make_tuple(&vp9_highbd_lpf_vertical_4_dual_sse2,
                   &vp9_highbd_lpf_vertical_4_dual_c, 12),
        make_tuple(&vp9_highbd_lpf_vertical_8_dual_sse2,
                   &vp9_highbd_lpf_vertical_8_dual_c, 12)));
#else
INSTANTIATE_TEST_CASE_P(
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    SSE2, Loop8Test9Param,
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    ::testing::Values(
        make_tuple(&vp9_lpf_horizontal_4_dual_sse2,
                   &vp9_lpf_horizontal_4_dual_c, 8),
        make_tuple(&vp9_lpf_horizontal_8_dual_sse2,
                   &vp9_lpf_horizontal_8_dual_c, 8),
        make_tuple(&vp9_lpf_vertical_4_dual_sse2,
                   &vp9_lpf_vertical_4_dual_c, 8),
        make_tuple(&vp9_lpf_vertical_8_dual_sse2,
                   &vp9_lpf_vertical_8_dual_c, 8)));
#endif  // CONFIG_VP9_HIGHBITDEPTH
#endif
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#if HAVE_NEON
#if CONFIG_VP9_HIGHBITDEPTH
// No neon high bitdepth functions.
#else
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INSTANTIATE_TEST_CASE_P(
    NEON, Loop8Test6Param,
    ::testing::Values(
#if HAVE_NEON_ASM
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// Using #if inside the macro is unsupported on MSVS but the tests are not
// currently built for MSVS with ARM and NEON.
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        make_tuple(&vp9_lpf_horizontal_16_neon,
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                   &vp9_lpf_horizontal_16_c, 8, 1),
        make_tuple(&vp9_lpf_horizontal_16_neon,
                   &vp9_lpf_horizontal_16_c, 8, 2),
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        make_tuple(&wrapper_vertical_16_neon,
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                   &wrapper_vertical_16_c, 8, 1),
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        make_tuple(&wrapper_vertical_16_dual_neon,
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                   &wrapper_vertical_16_dual_c, 8, 1),
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        make_tuple(&vp9_lpf_horizontal_8_neon,
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                   &vp9_lpf_horizontal_8_c, 8, 1),
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        make_tuple(&vp9_lpf_vertical_8_neon,
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                   &vp9_lpf_vertical_8_c, 8, 1),
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#endif  // HAVE_NEON_ASM
        make_tuple(&vp9_lpf_horizontal_4_neon,
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                   &vp9_lpf_horizontal_4_c, 8, 1),
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        make_tuple(&vp9_lpf_vertical_4_neon,
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                   &vp9_lpf_vertical_4_c, 8, 1)));
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INSTANTIATE_TEST_CASE_P(
    NEON, Loop8Test9Param,
    ::testing::Values(
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#if HAVE_NEON_ASM
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        make_tuple(&vp9_lpf_horizontal_8_dual_neon,
                   &vp9_lpf_horizontal_8_dual_c, 8),
        make_tuple(&vp9_lpf_vertical_8_dual_neon,
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                   &vp9_lpf_vertical_8_dual_c, 8),
#endif  // HAVE_NEON_ASM
        make_tuple(&vp9_lpf_horizontal_4_dual_neon,
                   &vp9_lpf_horizontal_4_dual_c, 8),
        make_tuple(&vp9_lpf_vertical_4_dual_neon,
                   &vp9_lpf_vertical_4_dual_c, 8)));
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#endif  // CONFIG_VP9_HIGHBITDEPTH
#endif  // HAVE_NEON
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}  // namespace