shithub: libvpx

ref: bcbc4761fa72117be4ba32889ea79fca94c21956
dir: /test/sixtap_predict_test.cc/

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/*
 *  Copyright (c) 2013 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 <math.h>
#include <stdlib.h>
#include <string.h>

#include "third_party/googletest/src/include/gtest/gtest.h"

#include "./vpx_config.h"
#include "./vp8_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "vpx/vpx_integer.h"
#include "vpx_mem/vpx_mem.h"

namespace {

typedef void (*SixtapPredictFunc)(uint8_t *src_ptr, int src_pixels_per_line,
                                  int xoffset, int yoffset, uint8_t *dst_ptr,
                                  int dst_pitch);

typedef std::tr1::tuple<int, int, SixtapPredictFunc> SixtapPredictParam;

class SixtapPredictTest : public ::testing::TestWithParam<SixtapPredictParam> {
 public:
  static void SetUpTestCase() {
    src_ = reinterpret_cast<uint8_t *>(vpx_memalign(kDataAlignment, kSrcSize));
    dst_ = reinterpret_cast<uint8_t *>(vpx_memalign(kDataAlignment, kDstSize));
    dst_c_ =
        reinterpret_cast<uint8_t *>(vpx_memalign(kDataAlignment, kDstSize));
  }

  static void TearDownTestCase() {
    vpx_free(src_);
    src_ = NULL;
    vpx_free(dst_);
    dst_ = NULL;
    vpx_free(dst_c_);
    dst_c_ = NULL;
  }

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

 protected:
  // Make test arrays big enough for 16x16 functions. Six-tap filters
  // need 5 extra pixels outside of the macroblock.
  static const int kSrcStride = 21;
  static const int kDstStride = 16;
  static const int kDataAlignment = 16;
  static const int kSrcSize = kSrcStride * kSrcStride + 1;
  static const int kDstSize = kDstStride * kDstStride;

  virtual void SetUp() {
    width_ = GET_PARAM(0);
    height_ = GET_PARAM(1);
    sixtap_predict_ = GET_PARAM(2);
    memset(src_, 0, kSrcSize);
    memset(dst_, 0, kDstSize);
    memset(dst_c_, 0, kDstSize);
  }

  int width_;
  int height_;
  SixtapPredictFunc sixtap_predict_;
  // The src stores the macroblock we will filter on, and makes it 1 byte larger
  // in order to test unaligned access. The result is stored in dst and dst_c(c
  // reference code result).
  static uint8_t *src_;
  static uint8_t *dst_;
  static uint8_t *dst_c_;
};

uint8_t *SixtapPredictTest::src_ = NULL;
uint8_t *SixtapPredictTest::dst_ = NULL;
uint8_t *SixtapPredictTest::dst_c_ = NULL;

TEST_P(SixtapPredictTest, TestWithPresetData) {
  // Test input
  static const uint8_t test_data[kSrcSize] = {
    216, 184, 4,   191, 82,  92,  41,  0,   1,   226, 236, 172, 20,  182, 42,
    226, 177, 79,  94,  77,  179, 203, 206, 198, 22,  192, 19,  75,  17,  192,
    44,  233, 120, 48,  168, 203, 141, 210, 203, 143, 180, 184, 59,  201, 110,
    102, 171, 32,  182, 10,  109, 105, 213, 60,  47,  236, 253, 67,  55,  14,
    3,   99,  247, 124, 148, 159, 71,  34,  114, 19,  177, 38,  203, 237, 239,
    58,  83,  155, 91,  10,  166, 201, 115, 124, 5,   163, 104, 2,   231, 160,
    16,  234, 4,   8,   103, 153, 167, 174, 187, 26,  193, 109, 64,  141, 90,
    48,  200, 174, 204, 36,  184, 114, 237, 43,  238, 242, 207, 86,  245, 182,
    247, 6,   161, 251, 14,  8,   148, 182, 182, 79,  208, 120, 188, 17,  6,
    23,  65,  206, 197, 13,  242, 126, 128, 224, 170, 110, 211, 121, 197, 200,
    47,  188, 207, 208, 184, 221, 216, 76,  148, 143, 156, 100, 8,   89,  117,
    14,  112, 183, 221, 54,  197, 208, 180, 69,  176, 94,  180, 131, 215, 121,
    76,  7,   54,  28,  216, 238, 249, 176, 58,  142, 64,  215, 242, 72,  49,
    104, 87,  161, 32,  52,  216, 230, 4,   141, 44,  181, 235, 224, 57,  195,
    89,  134, 203, 144, 162, 163, 126, 156, 84,  185, 42,  148, 145, 29,  221,
    194, 134, 52,  100, 166, 105, 60,  140, 110, 201, 184, 35,  181, 153, 93,
    121, 243, 227, 68,  131, 134, 232, 2,   35,  60,  187, 77,  209, 76,  106,
    174, 15,  241, 227, 115, 151, 77,  175, 36,  187, 121, 221, 223, 47,  118,
    61,  168, 105, 32,  237, 236, 167, 213, 238, 202, 17,  170, 24,  226, 247,
    131, 145, 6,   116, 117, 121, 11,  194, 41,  48,  126, 162, 13,  93,  209,
    131, 154, 122, 237, 187, 103, 217, 99,  60,  200, 45,  78,  115, 69,  49,
    106, 200, 194, 112, 60,  56,  234, 72,  251, 19,  120, 121, 182, 134, 215,
    135, 10,  114, 2,   247, 46,  105, 209, 145, 165, 153, 191, 243, 12,  5,
    36,  119, 206, 231, 231, 11,  32,  209, 83,  27,  229, 204, 149, 155, 83,
    109, 35,  93,  223, 37,  84,  14,  142, 37,  160, 52,  191, 96,  40,  204,
    101, 77,  67,  52,  53,  43,  63,  85,  253, 147, 113, 226, 96,  6,   125,
    179, 115, 161, 17,  83,  198, 101, 98,  85,  139, 3,   137, 75,  99,  178,
    23,  201, 255, 91,  253, 52,  134, 60,  138, 131, 208, 251, 101, 48,  2,
    227, 228, 118, 132, 245, 202, 75,  91,  44,  160, 231, 47,  41,  50,  147,
    220, 74,  92,  219, 165, 89,  16
  };

  // Expected result
  static const uint8_t expected_dst[kDstSize] = {
    117, 102, 74,  135, 42,  98,  175, 206, 70,  73,  222, 197, 50,  24,  39,
    49,  38,  105, 90,  47,  169, 40,  171, 215, 200, 73,  109, 141, 53,  85,
    177, 164, 79,  208, 124, 89,  212, 18,  81,  145, 151, 164, 217, 153, 91,
    154, 102, 102, 159, 75,  164, 152, 136, 51,  213, 219, 186, 116, 193, 224,
    186, 36,  231, 208, 84,  211, 155, 167, 35,  59,  42,  76,  216, 149, 73,
    201, 78,  149, 184, 100, 96,  196, 189, 198, 188, 235, 195, 117, 129, 120,
    129, 49,  25,  133, 113, 69,  221, 114, 70,  143, 99,  157, 108, 189, 140,
    78,  6,   55,  65,  240, 255, 245, 184, 72,  90,  100, 116, 131, 39,  60,
    234, 167, 33,  160, 88,  185, 200, 157, 159, 176, 127, 151, 138, 102, 168,
    106, 170, 86,  82,  219, 189, 76,  33,  115, 197, 106, 96,  198, 136, 97,
    141, 237, 151, 98,  137, 191, 185, 2,   57,  95,  142, 91,  255, 185, 97,
    137, 76,  162, 94,  173, 131, 193, 161, 81,  106, 72,  135, 222, 234, 137,
    66,  137, 106, 243, 210, 147, 95,  15,  137, 110, 85,  66,  16,  96,  167,
    147, 150, 173, 203, 140, 118, 196, 84,  147, 160, 19,  95,  101, 123, 74,
    132, 202, 82,  166, 12,  131, 166, 189, 170, 159, 85,  79,  66,  57,  152,
    132, 203, 194, 0,   1,   56,  146, 180, 224, 156, 28,  83,  181, 79,  76,
    80,  46,  160, 175, 59,  106, 43,  87,  75,  136, 85,  189, 46,  71,  200,
    90
  };

  uint8_t *src = const_cast<uint8_t *>(test_data);

  ASM_REGISTER_STATE_CHECK(sixtap_predict_(&src[kSrcStride * 2 + 2 + 1],
                                           kSrcStride, 2, 2, dst_, kDstStride));

  for (int i = 0; i < height_; ++i) {
    for (int j = 0; j < width_; ++j)
      ASSERT_EQ(expected_dst[i * kDstStride + j], dst_[i * kDstStride + j])
          << "i==" << (i * width_ + j);
  }
}

using libvpx_test::ACMRandom;

TEST_P(SixtapPredictTest, TestWithRandomData) {
  ACMRandom rnd(ACMRandom::DeterministicSeed());
  for (int i = 0; i < kSrcSize; ++i) src_[i] = rnd.Rand8();

  // Run tests for all possible offsets.
  for (int xoffset = 0; xoffset < 8; ++xoffset) {
    for (int yoffset = 0; yoffset < 8; ++yoffset) {
      // Call c reference function.
      // Move start point to next pixel to test if the function reads
      // unaligned data correctly.
      vp8_sixtap_predict16x16_c(&src_[kSrcStride * 2 + 2 + 1], kSrcStride,
                                xoffset, yoffset, dst_c_, kDstStride);

      // Run test.
      ASM_REGISTER_STATE_CHECK(sixtap_predict_(&src_[kSrcStride * 2 + 2 + 1],
                                               kSrcStride, xoffset, yoffset,
                                               dst_, kDstStride));

      for (int i = 0; i < height_; ++i) {
        for (int j = 0; j < width_; ++j)
          ASSERT_EQ(dst_c_[i * kDstStride + j], dst_[i * kDstStride + j])
              << "i==" << (i * width_ + j);
      }
    }
  }
}

using std::tr1::make_tuple;

INSTANTIATE_TEST_CASE_P(
    C, SixtapPredictTest,
    ::testing::Values(make_tuple(16, 16, &vp8_sixtap_predict16x16_c),
                      make_tuple(8, 8, &vp8_sixtap_predict8x8_c),
                      make_tuple(8, 4, &vp8_sixtap_predict8x4_c),
                      make_tuple(4, 4, &vp8_sixtap_predict4x4_c)));
#if HAVE_NEON
INSTANTIATE_TEST_CASE_P(
    NEON, SixtapPredictTest,
    ::testing::Values(make_tuple(16, 16, &vp8_sixtap_predict16x16_neon),
                      make_tuple(8, 8, &vp8_sixtap_predict8x8_neon),
                      make_tuple(8, 4, &vp8_sixtap_predict8x4_neon)));
#endif
#if HAVE_MMX
INSTANTIATE_TEST_CASE_P(
    MMX, SixtapPredictTest,
    ::testing::Values(make_tuple(16, 16, &vp8_sixtap_predict16x16_mmx),
                      make_tuple(8, 8, &vp8_sixtap_predict8x8_mmx),
                      make_tuple(8, 4, &vp8_sixtap_predict8x4_mmx),
                      make_tuple(4, 4, &vp8_sixtap_predict4x4_mmx)));
#endif
#if HAVE_SSE2
INSTANTIATE_TEST_CASE_P(
    SSE2, SixtapPredictTest,
    ::testing::Values(make_tuple(16, 16, &vp8_sixtap_predict16x16_sse2),
                      make_tuple(8, 8, &vp8_sixtap_predict8x8_sse2),
                      make_tuple(8, 4, &vp8_sixtap_predict8x4_sse2)));
#endif
#if HAVE_SSSE3
INSTANTIATE_TEST_CASE_P(
    SSSE3, SixtapPredictTest,
    ::testing::Values(make_tuple(16, 16, &vp8_sixtap_predict16x16_ssse3),
                      make_tuple(8, 8, &vp8_sixtap_predict8x8_ssse3),
                      make_tuple(8, 4, &vp8_sixtap_predict8x4_ssse3),
                      make_tuple(4, 4, &vp8_sixtap_predict4x4_ssse3)));
#endif
#if HAVE_MSA
INSTANTIATE_TEST_CASE_P(
    MSA, SixtapPredictTest,
    ::testing::Values(make_tuple(16, 16, &vp8_sixtap_predict16x16_msa),
                      make_tuple(8, 8, &vp8_sixtap_predict8x8_msa),
                      make_tuple(8, 4, &vp8_sixtap_predict8x4_msa),
                      make_tuple(4, 4, &vp8_sixtap_predict4x4_msa)));
#endif
}  // namespace