diff options
Diffstat (limited to 'third_party/aom/test/dct32x32_test.cc')
| -rw-r--r-- | third_party/aom/test/dct32x32_test.cc | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/third_party/aom/test/dct32x32_test.cc b/third_party/aom/test/dct32x32_test.cc deleted file mode 100644 index 02a723a9c..000000000 --- a/third_party/aom/test/dct32x32_test.cc +++ /dev/null @@ -1,425 +0,0 @@ -/* - * 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/googletest/include/gtest/gtest.h" - -#include "./av1_rtcd.h" -#include "./aom_config.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" -#include "aom_ports/msvc.h" // for round() - -using libaom_test::ACMRandom; - -namespace { - -const int kNumCoeffs = 1024; -const double kPi = 3.141592653589793238462643383279502884; -void reference_32x32_dct_1d(const double in[32], double out[32]) { - const double kInvSqrt2 = 0.707106781186547524400844362104; - for (int k = 0; k < 32; k++) { - out[k] = 0.0; - for (int n = 0; n < 32; n++) - out[k] += in[n] * cos(kPi * (2 * n + 1) * k / 64.0); - if (k == 0) out[k] = out[k] * kInvSqrt2; - } -} - -void reference_32x32_dct_2d(const int16_t input[kNumCoeffs], - double output[kNumCoeffs]) { - // First transform columns - for (int i = 0; i < 32; ++i) { - double temp_in[32], temp_out[32]; - for (int j = 0; j < 32; ++j) temp_in[j] = input[j * 32 + i]; - reference_32x32_dct_1d(temp_in, temp_out); - for (int j = 0; j < 32; ++j) output[j * 32 + i] = temp_out[j]; - } - // Then transform rows - for (int i = 0; i < 32; ++i) { - double temp_in[32], temp_out[32]; - for (int j = 0; j < 32; ++j) temp_in[j] = output[j + i * 32]; - reference_32x32_dct_1d(temp_in, temp_out); - // Scale by some magic number - for (int j = 0; j < 32; ++j) output[j + i * 32] = temp_out[j] / 4; - } -} - -typedef void (*FwdTxfmFunc)(const int16_t *in, tran_low_t *out, int stride); -typedef void (*InvTxfmFunc)(const tran_low_t *in, uint8_t *out, int stride); - -typedef std::tr1::tuple<FwdTxfmFunc, InvTxfmFunc, int, aom_bit_depth_t> - Trans32x32Param; - -class Trans32x32Test : public ::testing::TestWithParam<Trans32x32Param> { - public: - virtual ~Trans32x32Test() {} - virtual void SetUp() { - fwd_txfm_ = GET_PARAM(0); - inv_txfm_ = GET_PARAM(1); - version_ = GET_PARAM(2); // 0: high precision forward transform - // 1: low precision version for rd loop - bit_depth_ = GET_PARAM(3); - mask_ = (1 << bit_depth_) - 1; - } - - virtual void TearDown() { libaom_test::ClearSystemState(); } - - protected: - int version_; - aom_bit_depth_t bit_depth_; - int mask_; - FwdTxfmFunc fwd_txfm_; - InvTxfmFunc inv_txfm_; -}; - -TEST_P(Trans32x32Test, AccuracyCheck) { - ACMRandom rnd(ACMRandom::DeterministicSeed()); - uint32_t max_error = 0; - int64_t total_error = 0; - const int count_test_block = 10000; - 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_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(); - test_input_block[j] = src[j] - dst[j]; -#if CONFIG_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(fwd_txfm_(test_input_block, test_temp_block, 32)); - if (bit_depth_ == AOM_BITS_8) { - ASM_REGISTER_STATE_CHECK(inv_txfm_(test_temp_block, dst, 32)); -#if CONFIG_HIGHBITDEPTH - } else { - ASM_REGISTER_STATE_CHECK( - inv_txfm_(test_temp_block, CONVERT_TO_BYTEPTR(dst16), 32)); -#endif - } - - for (int j = 0; j < kNumCoeffs; ++j) { -#if CONFIG_HIGHBITDEPTH - const int32_t diff = - bit_depth_ == AOM_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j]; -#else - const int32_t diff = dst[j] - src[j]; -#endif - const uint32_t error = diff * diff; - if (max_error < error) max_error = error; - total_error += error; - } - } - - if (version_ == 1) { - max_error /= 2; - total_error /= 45; - } - - EXPECT_GE(1u << 2 * (bit_depth_ - 8), max_error) - << "Error: 32x32 FDCT/IDCT has an individual round-trip error > 1"; - - EXPECT_GE(count_test_block << 2 * (bit_depth_ - 8), total_error) - << "Error: 32x32 FDCT/IDCT has average round-trip error > 1 per block"; -} - -TEST_P(Trans32x32Test, CoeffCheck) { - ACMRandom rnd(ACMRandom::DeterministicSeed()); - const int count_test_block = 1000; - - 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) { - for (int j = 0; j < kNumCoeffs; ++j) - input_block[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_); - - const int stride = 32; - aom_fdct32x32_c(input_block, output_ref_block, stride); - ASM_REGISTER_STATE_CHECK(fwd_txfm_(input_block, output_block, stride)); - - if (version_ == 0) { - for (int j = 0; j < kNumCoeffs; ++j) - EXPECT_EQ(output_block[j], output_ref_block[j]) - << "Error: 32x32 FDCT versions have mismatched coefficients"; - } else { - for (int j = 0; j < kNumCoeffs; ++j) - EXPECT_GE(6, abs(output_block[j] - output_ref_block[j])) - << "Error: 32x32 FDCT rd has mismatched coefficients"; - } - } -} - -TEST_P(Trans32x32Test, MemCheck) { - ACMRandom rnd(ACMRandom::DeterministicSeed()); - const int count_test_block = 2000; - - 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() & 1 ? 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_; - } - - const int stride = 32; - aom_fdct32x32_c(input_extreme_block, output_ref_block, stride); - ASM_REGISTER_STATE_CHECK( - fwd_txfm_(input_extreme_block, output_block, stride)); - - // The minimum quant value is 4. - for (int j = 0; j < kNumCoeffs; ++j) { - if (version_ == 0) { - EXPECT_EQ(output_block[j], output_ref_block[j]) - << "Error: 32x32 FDCT versions have mismatched coefficients"; - } else { - EXPECT_GE(6, abs(output_block[j] - output_ref_block[j])) - << "Error: 32x32 FDCT rd has mismatched coefficients"; - } - EXPECT_GE(4 * DCT_MAX_VALUE << (bit_depth_ - 8), abs(output_ref_block[j])) - << "Error: 32x32 FDCT C has coefficient larger than 4*DCT_MAX_VALUE"; - EXPECT_GE(4 * DCT_MAX_VALUE << (bit_depth_ - 8), abs(output_block[j])) - << "Error: 32x32 FDCT has coefficient larger than " - << "4*DCT_MAX_VALUE"; - } - } -} - -TEST_P(Trans32x32Test, InverseAccuracy) { - 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_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) { - double out_r[kNumCoeffs]; - - // 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(); - in[j] = src[j] - dst[j]; -#if CONFIG_HIGHBITDEPTH - } else { - src16[j] = rnd.Rand16() & mask_; - dst16[j] = rnd.Rand16() & mask_; - in[j] = src16[j] - dst16[j]; -#endif - } - } - - reference_32x32_dct_2d(in, out_r); - for (int j = 0; j < kNumCoeffs; ++j) - coeff[j] = static_cast<tran_low_t>(round(out_r[j])); - if (bit_depth_ == AOM_BITS_8) { - ASM_REGISTER_STATE_CHECK(inv_txfm_(coeff, dst, 32)); -#if CONFIG_HIGHBITDEPTH - } else { - ASM_REGISTER_STATE_CHECK(inv_txfm_(coeff, CONVERT_TO_BYTEPTR(dst16), 32)); -#endif - } - for (int j = 0; j < kNumCoeffs; ++j) { -#if CONFIG_HIGHBITDEPTH - const int diff = - bit_depth_ == AOM_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j]; -#else - const int diff = dst[j] - src[j]; -#endif - const int error = diff * diff; - EXPECT_GE(1, error) << "Error: 32x32 IDCT has error " << error - << " at index " << j; - } - } -} - -class PartialTrans32x32Test - : public ::testing::TestWithParam< - std::tr1::tuple<FwdTxfmFunc, aom_bit_depth_t> > { - public: - virtual ~PartialTrans32x32Test() {} - virtual void SetUp() { - fwd_txfm_ = GET_PARAM(0); - bit_depth_ = GET_PARAM(1); - } - - virtual void TearDown() { libaom_test::ClearSystemState(); } - - protected: - aom_bit_depth_t bit_depth_; - FwdTxfmFunc fwd_txfm_; -}; - -TEST_P(PartialTrans32x32Test, Extremes) { -#if CONFIG_HIGHBITDEPTH - const int16_t maxval = - static_cast<int16_t>(clip_pixel_highbd(1 << 30, bit_depth_)); -#else - const int16_t maxval = 255; -#endif - const int minval = -maxval; - DECLARE_ALIGNED(16, int16_t, input[kNumCoeffs]); - DECLARE_ALIGNED(16, tran_low_t, output[kNumCoeffs]); - - for (int i = 0; i < kNumCoeffs; ++i) input[i] = maxval; - output[0] = 0; - ASM_REGISTER_STATE_CHECK(fwd_txfm_(input, output, 32)); - EXPECT_EQ((maxval * kNumCoeffs) >> 3, output[0]); - - for (int i = 0; i < kNumCoeffs; ++i) input[i] = minval; - output[0] = 0; - ASM_REGISTER_STATE_CHECK(fwd_txfm_(input, output, 32)); - EXPECT_EQ((minval * kNumCoeffs) >> 3, output[0]); -} - -TEST_P(PartialTrans32x32Test, Random) { -#if CONFIG_HIGHBITDEPTH - const int16_t maxval = - static_cast<int16_t>(clip_pixel_highbd(1 << 30, bit_depth_)); -#else - const int16_t maxval = 255; -#endif - DECLARE_ALIGNED(16, int16_t, input[kNumCoeffs]); - DECLARE_ALIGNED(16, tran_low_t, output[kNumCoeffs]); - ACMRandom rnd(ACMRandom::DeterministicSeed()); - - int sum = 0; - for (int i = 0; i < kNumCoeffs; ++i) { - const int val = (i & 1) ? -rnd(maxval + 1) : rnd(maxval + 1); - input[i] = val; - sum += val; - } - output[0] = 0; - ASM_REGISTER_STATE_CHECK(fwd_txfm_(input, output, 32)); - EXPECT_EQ(sum >> 3, output[0]); -} - -using std::tr1::make_tuple; - -#if CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P( - C, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c, 0, - AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_c, &aom_idct32x32_1024_add_c, - 1, AOM_BITS_8))); -#else -INSTANTIATE_TEST_CASE_P( - C, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_c, 0, - AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_c, &aom_idct32x32_1024_add_c, - 1, AOM_BITS_8))); -#endif // CONFIG_HIGHBITDEPTH - -#if HAVE_NEON && !CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P( - NEON, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_c, &aom_idct32x32_1024_add_neon, - DCT_DCT, AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_c, - &aom_idct32x32_1024_add_neon, ADST_DCT, - AOM_BITS_8))); -#endif // HAVE_NEON && !CONFIG_HIGHBITDEPTH - -#if HAVE_SSE2 && !CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P( - SSE2, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_sse2, - &aom_idct32x32_1024_add_sse2, DCT_DCT, - AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_sse2, - &aom_idct32x32_1024_add_sse2, ADST_DCT, - AOM_BITS_8))); -#endif // HAVE_SSE2 && !CONFIG_HIGHBITDEPTH - -#if HAVE_SSE2 && CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P(SSE2, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_sse2, - &aom_idct32x32_1024_add_c, - DCT_DCT, AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_sse2, - &aom_idct32x32_1024_add_c, - ADST_DCT, AOM_BITS_8))); -#endif // HAVE_SSE2 && CONFIG_HIGHBITDEPTH - -#if HAVE_AVX2 && !CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P( - AVX2, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_avx2, - &aom_idct32x32_1024_add_sse2, DCT_DCT, - AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_avx2, - &aom_idct32x32_1024_add_sse2, ADST_DCT, - AOM_BITS_8))); -#endif // HAVE_AVX2 && !CONFIG_HIGHBITDEPTH - -#if HAVE_AVX2 && CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P( - AVX2, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_avx2, - &aom_idct32x32_1024_add_sse2, DCT_DCT, - AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_avx2, - &aom_idct32x32_1024_add_sse2, ADST_DCT, - AOM_BITS_8))); -#endif // HAVE_AVX2 && CONFIG_HIGHBITDEPTH - -#if HAVE_MSA && !CONFIG_HIGHBITDEPTH -INSTANTIATE_TEST_CASE_P( - MSA, Trans32x32Test, - ::testing::Values(make_tuple(&aom_fdct32x32_msa, - &aom_idct32x32_1024_add_msa, DCT_DCT, - AOM_BITS_8), - make_tuple(&aom_fdct32x32_rd_msa, - &aom_idct32x32_1024_add_msa, ADST_DCT, - AOM_BITS_8))); -#endif // HAVE_MSA && !CONFIG_HIGHBITDEPTH -} // namespace |