intrapred_test.cc 9.78 KB
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/*
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 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
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 *
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 * 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.
*/
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#include <string>

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#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
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#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
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#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
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#include "av1/common/blockd.h"
#include "av1/common/pred_common.h"
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#include "aom_mem/aom_mem.h"
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namespace {

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using libaom_test::ACMRandom;
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const int count_test_block = 100000;

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typedef void (*IntraPred)(uint16_t *dst, ptrdiff_t stride,
                          const uint16_t *above, const uint16_t *left, int bps);
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struct IntraPredFunc {
  IntraPredFunc(IntraPred pred = NULL, IntraPred ref = NULL,
                int block_size_value = 0, int bit_depth_value = 0)
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      : pred_fn(pred), ref_fn(ref), block_size(block_size_value),
        bit_depth(bit_depth_value) {}
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  IntraPred pred_fn;
  IntraPred ref_fn;
  int block_size;
  int bit_depth;
};
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class AV1IntraPredTest : public ::testing::TestWithParam<IntraPredFunc> {
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 public:
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  void RunTest(uint16_t *left_col, uint16_t *above_data, uint16_t *dst,
               uint16_t *ref_dst) {
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    ACMRandom rnd(ACMRandom::DeterministicSeed());
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    const int block_size = params_.block_size;
    above_row_ = above_data + 16;
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    left_col_ = left_col;
    dst_ = dst;
    ref_dst_ = ref_dst;
    int error_count = 0;
    for (int i = 0; i < count_test_block; ++i) {
      // Fill edges with random data, try first with saturated values.
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      for (int x = -1; x <= block_size * 2; x++) {
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        if (i == 0) {
          above_row_[x] = mask_;
        } else {
          above_row_[x] = rnd.Rand16() & mask_;
        }
      }
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      for (int y = 0; y < block_size; y++) {
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        if (i == 0) {
          left_col_[y] = mask_;
        } else {
          left_col_[y] = rnd.Rand16() & mask_;
        }
      }
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      Predict();
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      CheckPrediction(i, &error_count);
    }
    ASSERT_EQ(0, error_count);
  }

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 protected:
  virtual void SetUp() {
    params_ = GetParam();
    stride_ = params_.block_size * 3;
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    mask_ = (1 << params_.bit_depth) - 1;
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  }

  void Predict() {
    const int bit_depth = params_.bit_depth;
    params_.ref_fn(ref_dst_, stride_, above_row_, left_col_, bit_depth);
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    ASM_REGISTER_STATE_CHECK(
        params_.pred_fn(dst_, stride_, above_row_, left_col_, bit_depth));
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  }

  void CheckPrediction(int test_case_number, int *error_count) const {
    // For each pixel ensure that the calculated value is the same as reference.
    const int block_size = params_.block_size;
    for (int y = 0; y < block_size; y++) {
      for (int x = 0; x < block_size; x++) {
        *error_count += ref_dst_[x + y * stride_] != dst_[x + y * stride_];
        if (*error_count == 1) {
          ASSERT_EQ(ref_dst_[x + y * stride_], dst_[x + y * stride_])
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              << " Failed on Test Case Number " << test_case_number;
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        }
      }
    }
  }

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  uint16_t *above_row_;
  uint16_t *left_col_;
  uint16_t *dst_;
  uint16_t *ref_dst_;
  ptrdiff_t stride_;
  int mask_;

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  IntraPredFunc params_;
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};

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TEST_P(AV1IntraPredTest, IntraPredTests) {
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  // max block size is 32
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  DECLARE_ALIGNED(16, uint16_t, left_col[2 * 32]);
  DECLARE_ALIGNED(16, uint16_t, above_data[2 * 32 + 32]);
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  DECLARE_ALIGNED(16, uint16_t, dst[3 * 32 * 32]);
  DECLARE_ALIGNED(16, uint16_t, ref_dst[3 * 32 * 32]);
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  RunTest(left_col, above_data, dst, ref_dst);
}

#if HAVE_SSE2
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#if CONFIG_HIGHBITDEPTH
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INSTANTIATE_TEST_CASE_P(
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    SSE2_TO_C_8, AV1IntraPredTest,
    ::testing::Values(IntraPredFunc(&aom_highbd_dc_predictor_32x32_sse2,
                                    &aom_highbd_dc_predictor_32x32_c, 32, 8),
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#if !CONFIG_ALT_INTRA
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                      IntraPredFunc(&aom_highbd_tm_predictor_16x16_sse2,
                                    &aom_highbd_tm_predictor_16x16_c, 16, 8),
                      IntraPredFunc(&aom_highbd_tm_predictor_32x32_sse2,
                                    &aom_highbd_tm_predictor_32x32_c, 32, 8),
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#endif  // !CONFIG_ALT_INTRA

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                      IntraPredFunc(&aom_highbd_dc_predictor_4x4_sse2,
                                    &aom_highbd_dc_predictor_4x4_c, 4, 8),
                      IntraPredFunc(&aom_highbd_dc_predictor_8x8_sse2,
                                    &aom_highbd_dc_predictor_8x8_c, 8, 8),
                      IntraPredFunc(&aom_highbd_dc_predictor_16x16_sse2,
                                    &aom_highbd_dc_predictor_16x16_c, 16, 8),
                      IntraPredFunc(&aom_highbd_v_predictor_4x4_sse2,
                                    &aom_highbd_v_predictor_4x4_c, 4, 8),
                      IntraPredFunc(&aom_highbd_v_predictor_8x8_sse2,
                                    &aom_highbd_v_predictor_8x8_c, 8, 8),
                      IntraPredFunc(&aom_highbd_v_predictor_16x16_sse2,
                                    &aom_highbd_v_predictor_16x16_c, 16, 8),
                      IntraPredFunc(&aom_highbd_v_predictor_32x32_sse2,
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                                    &aom_highbd_v_predictor_32x32_c, 32, 8)
#if !CONFIG_ALT_INTRA
                          ,
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                      IntraPredFunc(&aom_highbd_tm_predictor_4x4_sse2,
                                    &aom_highbd_tm_predictor_4x4_c, 4, 8),
                      IntraPredFunc(&aom_highbd_tm_predictor_8x8_sse2,
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                                    &aom_highbd_tm_predictor_8x8_c, 8, 8)
#endif  // !CONFIG_ALT_INTRA
                          ));
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INSTANTIATE_TEST_CASE_P(
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    SSE2_TO_C_10, AV1IntraPredTest,
    ::testing::Values(IntraPredFunc(&aom_highbd_dc_predictor_32x32_sse2,
                                    &aom_highbd_dc_predictor_32x32_c, 32, 10),
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#if !CONFIG_ALT_INTRA
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                      IntraPredFunc(&aom_highbd_tm_predictor_16x16_sse2,
                                    &aom_highbd_tm_predictor_16x16_c, 16, 10),
                      IntraPredFunc(&aom_highbd_tm_predictor_32x32_sse2,
                                    &aom_highbd_tm_predictor_32x32_c, 32, 10),
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#endif  // !CONFIG_ALT_INTRA
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                      IntraPredFunc(&aom_highbd_dc_predictor_4x4_sse2,
                                    &aom_highbd_dc_predictor_4x4_c, 4, 10),
                      IntraPredFunc(&aom_highbd_dc_predictor_8x8_sse2,
                                    &aom_highbd_dc_predictor_8x8_c, 8, 10),
                      IntraPredFunc(&aom_highbd_dc_predictor_16x16_sse2,
                                    &aom_highbd_dc_predictor_16x16_c, 16, 10),
                      IntraPredFunc(&aom_highbd_v_predictor_4x4_sse2,
                                    &aom_highbd_v_predictor_4x4_c, 4, 10),
                      IntraPredFunc(&aom_highbd_v_predictor_8x8_sse2,
                                    &aom_highbd_v_predictor_8x8_c, 8, 10),
                      IntraPredFunc(&aom_highbd_v_predictor_16x16_sse2,
                                    &aom_highbd_v_predictor_16x16_c, 16, 10),
                      IntraPredFunc(&aom_highbd_v_predictor_32x32_sse2,
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                                    &aom_highbd_v_predictor_32x32_c, 32, 10)
#if !CONFIG_ALT_INTRA
                          ,
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                      IntraPredFunc(&aom_highbd_tm_predictor_4x4_sse2,
                                    &aom_highbd_tm_predictor_4x4_c, 4, 10),
                      IntraPredFunc(&aom_highbd_tm_predictor_8x8_sse2,
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                                    &aom_highbd_tm_predictor_8x8_c, 8, 10)
#endif  // !CONFIG_ALT_INTRA
                          ));
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INSTANTIATE_TEST_CASE_P(
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    SSE2_TO_C_12, AV1IntraPredTest,
    ::testing::Values(IntraPredFunc(&aom_highbd_dc_predictor_32x32_sse2,
                                    &aom_highbd_dc_predictor_32x32_c, 32, 12),
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#if !CONFIG_ALT_INTRA
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                      IntraPredFunc(&aom_highbd_tm_predictor_16x16_sse2,
                                    &aom_highbd_tm_predictor_16x16_c, 16, 12),
                      IntraPredFunc(&aom_highbd_tm_predictor_32x32_sse2,
                                    &aom_highbd_tm_predictor_32x32_c, 32, 12),
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#endif  // !CONFIG_ALT_INTRA
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                      IntraPredFunc(&aom_highbd_dc_predictor_4x4_sse2,
                                    &aom_highbd_dc_predictor_4x4_c, 4, 12),
                      IntraPredFunc(&aom_highbd_dc_predictor_8x8_sse2,
                                    &aom_highbd_dc_predictor_8x8_c, 8, 12),
                      IntraPredFunc(&aom_highbd_dc_predictor_16x16_sse2,
                                    &aom_highbd_dc_predictor_16x16_c, 16, 12),
                      IntraPredFunc(&aom_highbd_v_predictor_4x4_sse2,
                                    &aom_highbd_v_predictor_4x4_c, 4, 12),
                      IntraPredFunc(&aom_highbd_v_predictor_8x8_sse2,
                                    &aom_highbd_v_predictor_8x8_c, 8, 12),
                      IntraPredFunc(&aom_highbd_v_predictor_16x16_sse2,
                                    &aom_highbd_v_predictor_16x16_c, 16, 12),
                      IntraPredFunc(&aom_highbd_v_predictor_32x32_sse2,
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                                    &aom_highbd_v_predictor_32x32_c, 32, 12)
#if !CONFIG_ALT_INTRA
                          ,
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                      IntraPredFunc(&aom_highbd_tm_predictor_4x4_sse2,
                                    &aom_highbd_tm_predictor_4x4_c, 4, 12),
                      IntraPredFunc(&aom_highbd_tm_predictor_8x8_sse2,
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                                    &aom_highbd_tm_predictor_8x8_c, 8, 12)
#endif  // !CONFIG_ALT_INTRA
                          ));
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#endif  // CONFIG_HIGHBITDEPTH
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#endif  // HAVE_SSE2
}  // namespace