test/avg_test.cc - aom - Git at Google

 /*
  *  Copyright (c) 2019, Alliance for Open Media. 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 <stdlib.h>

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

 #include "config/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"

 namespace {

 using libaom_test::ACMRandom;

 template <typename Pixel>
 class AverageTestBase : public ::testing::Test {
  public:
   AverageTestBase(int width, int height)
       : width_(width), height_(height), source_data_(NULL), source_stride_(0),
         bit_depth_(8) {}

   virtual void TearDown() {
     aom_free(source_data_);
     source_data_ = NULL;
     libaom_test::ClearSystemState();
   }

  protected:
   // Handle blocks up to 4 blocks 64x64 with stride up to 128
   static const int kDataAlignment = 16;
   static const int kDataBlockSize = 64 * 128;

   virtual void SetUp() {
     source_data_ = static_cast<Pixel *>(
         aom_memalign(kDataAlignment, kDataBlockSize * sizeof(source_data_[0])));
     ASSERT_TRUE(source_data_ != NULL);
     source_stride_ = (width_ + 31) & ~31;
     bit_depth_ = 8;
     rnd_.Reset(ACMRandom::DeterministicSeed());
   }

   // Sum Pixels
   static unsigned int ReferenceAverage8x8(const Pixel *source, int pitch) {
     unsigned int average = 0;
     for (int h = 0; h < 8; ++h) {
       for (int w = 0; w < 8; ++w) average += source[h * pitch + w];
     }
     return (average + 32) >> 6;
   }

   static unsigned int ReferenceAverage4x4(const Pixel *source, int pitch) {
     unsigned int average = 0;
     for (int h = 0; h < 4; ++h) {
       for (int w = 0; w < 4; ++w) average += source[h * pitch + w];
     }
     return (average + 8) >> 4;
   }

   void FillConstant(Pixel fill_constant) {
     for (int i = 0; i < width_ * height_; ++i) {
       source_data_[i] = fill_constant;
     }
   }

   void FillRandom() {
     for (int i = 0; i < width_ * height_; ++i) {
       source_data_[i] = rnd_.Rand16() & ((1 << bit_depth_) - 1);
     }
   }

   int width_, height_;
   Pixel *source_data_;
   int source_stride_;
   int bit_depth_;

   ACMRandom rnd_;
 };
 typedef unsigned int (*AverageFunction)(const uint8_t *s, int pitch);

 // Arguments: width, height, pitch, block size, avg function.
 typedef std::tuple<int, int, int, int, AverageFunction> AvgFunc;

 class AverageTest : public AverageTestBase<uint8_t>,
                     public ::testing::WithParamInterface<AvgFunc> {
  public:
   AverageTest() : AverageTestBase(GET_PARAM(0), GET_PARAM(1)) {}

  protected:
   void CheckAverages() {
     const int block_size = GET_PARAM(3);
     unsigned int expected = 0;
     if (block_size == 8) {
       expected =
           ReferenceAverage8x8(source_data_ + GET_PARAM(2), source_stride_);
     } else if (block_size == 4) {
       expected =
           ReferenceAverage4x4(source_data_ + GET_PARAM(2), source_stride_);
     }

     unsigned int actual;
     ASM_REGISTER_STATE_CHECK(
         actual = GET_PARAM(4)(source_data_ + GET_PARAM(2), source_stride_));

     EXPECT_EQ(expected, actual);
   }
 };

 TEST_P(AverageTest, MinValue) {
   FillConstant(0);
   CheckAverages();
 }

 TEST_P(AverageTest, MaxValue) {
   FillConstant(255);
   CheckAverages();
 }

 TEST_P(AverageTest, Random) {
   // The reference frame, but not the source frame, may be unaligned for
   // certain types of searches.
   for (int i = 0; i < 1000; i++) {
     FillRandom();
     CheckAverages();
   }
 }

 typedef void (*IntProRowFunc)(int16_t hbuf[16], uint8_t const *ref,
                               const int ref_stride, const int height);

 // Params: height, asm function, c function.
 typedef std::tuple<int, IntProRowFunc, IntProRowFunc> IntProRowParam;

 class IntProRowTest : public AverageTestBase<uint8_t>,
                       public ::testing::WithParamInterface<IntProRowParam> {
  public:
   IntProRowTest()
       : AverageTestBase(16, GET_PARAM(0)), hbuf_asm_(NULL), hbuf_c_(NULL) {
     asm_func_ = GET_PARAM(1);
     c_func_ = GET_PARAM(2);
   }

  protected:
   virtual void SetUp() {
     source_data_ = static_cast<uint8_t *>(
         aom_memalign(kDataAlignment, kDataBlockSize * sizeof(source_data_[0])));
     ASSERT_TRUE(source_data_ != NULL);

     hbuf_asm_ = static_cast<int16_t *>(
         aom_memalign(kDataAlignment, sizeof(*hbuf_asm_) * 16));
     hbuf_c_ = static_cast<int16_t *>(
         aom_memalign(kDataAlignment, sizeof(*hbuf_c_) * 16));
   }

   virtual void TearDown() {
     aom_free(source_data_);
     source_data_ = NULL;
     aom_free(hbuf_c_);
     hbuf_c_ = NULL;
     aom_free(hbuf_asm_);
     hbuf_asm_ = NULL;
   }

   void RunComparison() {
     ASM_REGISTER_STATE_CHECK(c_func_(hbuf_c_, source_data_, 0, height_));
     ASM_REGISTER_STATE_CHECK(asm_func_(hbuf_asm_, source_data_, 0, height_));
     EXPECT_EQ(0, memcmp(hbuf_c_, hbuf_asm_, sizeof(*hbuf_c_) * 16))
         << "Output mismatch";
   }

  private:
   IntProRowFunc asm_func_;
   IntProRowFunc c_func_;
   int16_t *hbuf_asm_;
   int16_t *hbuf_c_;
 };

 typedef int16_t (*IntProColFunc)(uint8_t const *ref, const int width);

 // Params: width, asm function, c function.
 typedef std::tuple<int, IntProColFunc, IntProColFunc> IntProColParam;

 class IntProColTest : public AverageTestBase<uint8_t>,
                       public ::testing::WithParamInterface<IntProColParam> {
  public:
   IntProColTest() : AverageTestBase(GET_PARAM(0), 1), sum_asm_(0), sum_c_(0) {
     asm_func_ = GET_PARAM(1);
     c_func_ = GET_PARAM(2);
   }

  protected:
   void RunComparison() {
     ASM_REGISTER_STATE_CHECK(sum_c_ = c_func_(source_data_, width_));
     ASM_REGISTER_STATE_CHECK(sum_asm_ = asm_func_(source_data_, width_));
     EXPECT_EQ(sum_c_, sum_asm_) << "Output mismatch";
   }

  private:
   IntProColFunc asm_func_;
   IntProColFunc c_func_;
   int16_t sum_asm_;
   int16_t sum_c_;
 };

 TEST_P(IntProRowTest, MinValue) {
   FillConstant(0);
   RunComparison();
 }

 TEST_P(IntProRowTest, MaxValue) {
   FillConstant(255);
   RunComparison();
 }

 TEST_P(IntProRowTest, Random) {
   FillRandom();
   RunComparison();
 }

 TEST_P(IntProColTest, MinValue) {
   FillConstant(0);
   RunComparison();
 }

 TEST_P(IntProColTest, MaxValue) {
   FillConstant(255);
   RunComparison();
 }

 TEST_P(IntProColTest, Random) {
   FillRandom();
   RunComparison();
 }

 using std::make_tuple;

 INSTANTIATE_TEST_CASE_P(
     C, AverageTest,
     ::testing::Values(make_tuple(16, 16, 1, 8, &aom_avg_8x8_c),
                       make_tuple(16, 16, 1, 4, &aom_avg_4x4_c)));

 #if HAVE_SSE2
 INSTANTIATE_TEST_CASE_P(
     SSE2, AverageTest,
     ::testing::Values(make_tuple(16, 16, 0, 8, &aom_avg_8x8_sse2),
                       make_tuple(16, 16, 5, 8, &aom_avg_8x8_sse2),
                       make_tuple(32, 32, 15, 8, &aom_avg_8x8_sse2),
                       make_tuple(16, 16, 0, 4, &aom_avg_4x4_sse2),
                       make_tuple(16, 16, 5, 4, &aom_avg_4x4_sse2),
                       make_tuple(32, 32, 15, 4, &aom_avg_4x4_sse2)));

 INSTANTIATE_TEST_CASE_P(
     SSE2, IntProRowTest,
     ::testing::Values(make_tuple(16, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
                       make_tuple(32, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
                       make_tuple(64, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
                       make_tuple(128, &aom_int_pro_row_sse2,
                                  &aom_int_pro_row_c)));

 INSTANTIATE_TEST_CASE_P(
     SSE2, IntProColTest,
     ::testing::Values(make_tuple(16, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
                       make_tuple(32, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
                       make_tuple(64, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
                       make_tuple(128, &aom_int_pro_col_sse2,
                                  &aom_int_pro_col_c)));
 #endif

 #if HAVE_NEON
 INSTANTIATE_TEST_CASE_P(
     NEON, AverageTest,
     ::testing::Values(make_tuple(16, 16, 0, 8, &aom_avg_8x8_neon),
                       make_tuple(16, 16, 5, 8, &aom_avg_8x8_neon),
                       make_tuple(32, 32, 15, 8, &aom_avg_8x8_neon),
                       make_tuple(16, 16, 0, 4, &aom_avg_4x4_neon),
                       make_tuple(16, 16, 5, 4, &aom_avg_4x4_neon),
                       make_tuple(32, 32, 15, 4, &aom_avg_4x4_neon)));
 #endif

 }  // namespace
	/*
	* Copyright (c) 2019, Alliance for Open Media. 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 <stdlib.h>

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

	#include "config/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"

	namespace {

	using libaom_test::ACMRandom;

	template <typename Pixel>
	class AverageTestBase : public ::testing::Test {
	public:
	AverageTestBase(int width, int height)
	: width_(width), height_(height), source_data_(NULL), source_stride_(0),
	bit_depth_(8) {}

	virtual void TearDown() {
	aom_free(source_data_);
	source_data_ = NULL;
	libaom_test::ClearSystemState();
	}

	protected:
	// Handle blocks up to 4 blocks 64x64 with stride up to 128
	static const int kDataAlignment = 16;
	static const int kDataBlockSize = 64 * 128;

	virtual void SetUp() {
	source_data_ = static_cast<Pixel *>(
	aom_memalign(kDataAlignment, kDataBlockSize * sizeof(source_data_[0])));
	ASSERT_TRUE(source_data_ != NULL);
	source_stride_ = (width_ + 31) & ~31;
	bit_depth_ = 8;
	rnd_.Reset(ACMRandom::DeterministicSeed());
	}

	// Sum Pixels
	static unsigned int ReferenceAverage8x8(const Pixel *source, int pitch) {
	unsigned int average = 0;
	for (int h = 0; h < 8; ++h) {
	for (int w = 0; w < 8; ++w) average += source[h * pitch + w];
	}
	return (average + 32) >> 6;
	}

	static unsigned int ReferenceAverage4x4(const Pixel *source, int pitch) {
	unsigned int average = 0;
	for (int h = 0; h < 4; ++h) {
	for (int w = 0; w < 4; ++w) average += source[h * pitch + w];
	}
	return (average + 8) >> 4;
	}

	void FillConstant(Pixel fill_constant) {
	for (int i = 0; i < width_ * height_; ++i) {
	source_data_[i] = fill_constant;
	}
	}

	void FillRandom() {
	for (int i = 0; i < width_ * height_; ++i) {
	source_data_[i] = rnd_.Rand16() & ((1 << bit_depth_) - 1);
	}
	}

	int width_, height_;
	Pixel *source_data_;
	int source_stride_;
	int bit_depth_;

	ACMRandom rnd_;
	};
	typedef unsigned int (AverageFunction)(const uint8_t s, int pitch);

	// Arguments: width, height, pitch, block size, avg function.
	typedef std::tuple<int, int, int, int, AverageFunction> AvgFunc;

	class AverageTest : public AverageTestBase<uint8_t>,
	public ::testing::WithParamInterface<AvgFunc> {
	public:
	AverageTest() : AverageTestBase(GET_PARAM(0), GET_PARAM(1)) {}

	protected:
	void CheckAverages() {
	const int block_size = GET_PARAM(3);
	unsigned int expected = 0;
	if (block_size == 8) {
	expected =
	ReferenceAverage8x8(source_data_ + GET_PARAM(2), source_stride_);
	} else if (block_size == 4) {
	expected =
	ReferenceAverage4x4(source_data_ + GET_PARAM(2), source_stride_);
	}

	unsigned int actual;
	ASM_REGISTER_STATE_CHECK(
	actual = GET_PARAM(4)(source_data_ + GET_PARAM(2), source_stride_));

	EXPECT_EQ(expected, actual);
	}
	};

	TEST_P(AverageTest, MinValue) {
	FillConstant(0);
	CheckAverages();
	}

	TEST_P(AverageTest, MaxValue) {
	FillConstant(255);
	CheckAverages();
	}

	TEST_P(AverageTest, Random) {
	// The reference frame, but not the source frame, may be unaligned for
	// certain types of searches.
	for (int i = 0; i < 1000; i++) {
	FillRandom();
	CheckAverages();
	}
	}

	typedef void (IntProRowFunc)(int16_t hbuf[16], uint8_t const ref,
	const int ref_stride, const int height);

	// Params: height, asm function, c function.
	typedef std::tuple<int, IntProRowFunc, IntProRowFunc> IntProRowParam;

	class IntProRowTest : public AverageTestBase<uint8_t>,
	public ::testing::WithParamInterface<IntProRowParam> {
	public:
	IntProRowTest()
	: AverageTestBase(16, GET_PARAM(0)), hbuf_asm_(NULL), hbuf_c_(NULL) {
	asm_func_ = GET_PARAM(1);
	c_func_ = GET_PARAM(2);
	}

	protected:
	virtual void SetUp() {
	source_data_ = static_cast<uint8_t *>(
	aom_memalign(kDataAlignment, kDataBlockSize * sizeof(source_data_[0])));
	ASSERT_TRUE(source_data_ != NULL);

	hbuf_asm_ = static_cast<int16_t *>(
	aom_memalign(kDataAlignment, sizeof(hbuf_asm_) 16));
	hbuf_c_ = static_cast<int16_t *>(
	aom_memalign(kDataAlignment, sizeof(hbuf_c_) 16));
	}

	virtual void TearDown() {
	aom_free(source_data_);
	source_data_ = NULL;
	aom_free(hbuf_c_);
	hbuf_c_ = NULL;
	aom_free(hbuf_asm_);
	hbuf_asm_ = NULL;
	}

	void RunComparison() {
	ASM_REGISTER_STATE_CHECK(c_func_(hbuf_c_, source_data_, 0, height_));
	ASM_REGISTER_STATE_CHECK(asm_func_(hbuf_asm_, source_data_, 0, height_));
	EXPECT_EQ(0, memcmp(hbuf_c_, hbuf_asm_, sizeof(hbuf_c_) 16))
	<< "Output mismatch";
	}

	private:
	IntProRowFunc asm_func_;
	IntProRowFunc c_func_;
	int16_t *hbuf_asm_;
	int16_t *hbuf_c_;
	};

	typedef int16_t (IntProColFunc)(uint8_t const ref, const int width);

	// Params: width, asm function, c function.
	typedef std::tuple<int, IntProColFunc, IntProColFunc> IntProColParam;

	class IntProColTest : public AverageTestBase<uint8_t>,
	public ::testing::WithParamInterface<IntProColParam> {
	public:
	IntProColTest() : AverageTestBase(GET_PARAM(0), 1), sum_asm_(0), sum_c_(0) {
	asm_func_ = GET_PARAM(1);
	c_func_ = GET_PARAM(2);
	}

	protected:
	void RunComparison() {
	ASM_REGISTER_STATE_CHECK(sum_c_ = c_func_(source_data_, width_));
	ASM_REGISTER_STATE_CHECK(sum_asm_ = asm_func_(source_data_, width_));
	EXPECT_EQ(sum_c_, sum_asm_) << "Output mismatch";
	}

	private:
	IntProColFunc asm_func_;
	IntProColFunc c_func_;
	int16_t sum_asm_;
	int16_t sum_c_;
	};

	TEST_P(IntProRowTest, MinValue) {
	FillConstant(0);
	RunComparison();
	}

	TEST_P(IntProRowTest, MaxValue) {
	FillConstant(255);
	RunComparison();
	}

	TEST_P(IntProRowTest, Random) {
	FillRandom();
	RunComparison();
	}

	TEST_P(IntProColTest, MinValue) {
	FillConstant(0);
	RunComparison();
	}

	TEST_P(IntProColTest, MaxValue) {
	FillConstant(255);
	RunComparison();
	}

	TEST_P(IntProColTest, Random) {
	FillRandom();
	RunComparison();
	}

	using std::make_tuple;

	INSTANTIATE_TEST_CASE_P(
	C, AverageTest,
	::testing::Values(make_tuple(16, 16, 1, 8, &aom_avg_8x8_c),
	make_tuple(16, 16, 1, 4, &aom_avg_4x4_c)));

	#if HAVE_SSE2
	INSTANTIATE_TEST_CASE_P(
	SSE2, AverageTest,
	::testing::Values(make_tuple(16, 16, 0, 8, &aom_avg_8x8_sse2),
	make_tuple(16, 16, 5, 8, &aom_avg_8x8_sse2),
	make_tuple(32, 32, 15, 8, &aom_avg_8x8_sse2),
	make_tuple(16, 16, 0, 4, &aom_avg_4x4_sse2),
	make_tuple(16, 16, 5, 4, &aom_avg_4x4_sse2),
	make_tuple(32, 32, 15, 4, &aom_avg_4x4_sse2)));

	INSTANTIATE_TEST_CASE_P(
	SSE2, IntProRowTest,
	::testing::Values(make_tuple(16, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
	make_tuple(32, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
	make_tuple(64, &aom_int_pro_row_sse2, &aom_int_pro_row_c),
	make_tuple(128, &aom_int_pro_row_sse2,
	&aom_int_pro_row_c)));

	INSTANTIATE_TEST_CASE_P(
	SSE2, IntProColTest,
	::testing::Values(make_tuple(16, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
	make_tuple(32, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
	make_tuple(64, &aom_int_pro_col_sse2, &aom_int_pro_col_c),
	make_tuple(128, &aom_int_pro_col_sse2,
	&aom_int_pro_col_c)));
	#endif

	#if HAVE_NEON
	INSTANTIATE_TEST_CASE_P(
	NEON, AverageTest,
	::testing::Values(make_tuple(16, 16, 0, 8, &aom_avg_8x8_neon),
	make_tuple(16, 16, 5, 8, &aom_avg_8x8_neon),
	make_tuple(32, 32, 15, 8, &aom_avg_8x8_neon),
	make_tuple(16, 16, 0, 4, &aom_avg_4x4_neon),
	make_tuple(16, 16, 5, 4, &aom_avg_4x4_neon),
	make_tuple(32, 32, 15, 4, &aom_avg_4x4_neon)));
	#endif

	} // namespace