1233d2500723e5594f3e7c70896ffeeef32b9c950ywan/* 2233d2500723e5594f3e7c70896ffeeef32b9c950ywan * Copyright (c) 2012 The WebM project authors. All Rights Reserved. 3233d2500723e5594f3e7c70896ffeeef32b9c950ywan * 4233d2500723e5594f3e7c70896ffeeef32b9c950ywan * Use of this source code is governed by a BSD-style license 5233d2500723e5594f3e7c70896ffeeef32b9c950ywan * that can be found in the LICENSE file in the root of the source 6233d2500723e5594f3e7c70896ffeeef32b9c950ywan * tree. An additional intellectual property rights grant can be found 7233d2500723e5594f3e7c70896ffeeef32b9c950ywan * in the file PATENTS. All contributing project authors may 8233d2500723e5594f3e7c70896ffeeef32b9c950ywan * be found in the AUTHORS file in the root of the source tree. 9233d2500723e5594f3e7c70896ffeeef32b9c950ywan */ 10233d2500723e5594f3e7c70896ffeeef32b9c950ywan 11233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include <math.h> 12233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include <stdlib.h> 13233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include <string.h> 14233d2500723e5594f3e7c70896ffeeef32b9c950ywan 15233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "third_party/googletest/src/include/gtest/gtest.h" 16233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "test/acm_random.h" 17233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "test/clear_system_state.h" 18233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "test/register_state_check.h" 19233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "test/util.h" 20233d2500723e5594f3e7c70896ffeeef32b9c950ywan 21233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "./vpx_config.h" 22233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "./vp9_rtcd.h" 23233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/common/vp9_entropy.h" 24233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vpx/vpx_integer.h" 25233d2500723e5594f3e7c70896ffeeef32b9c950ywan 26233d2500723e5594f3e7c70896ffeeef32b9c950ywanusing libvpx_test::ACMRandom; 27233d2500723e5594f3e7c70896ffeeef32b9c950ywan 28233d2500723e5594f3e7c70896ffeeef32b9c950ywannamespace { 29233d2500723e5594f3e7c70896ffeeef32b9c950ywan#ifdef _MSC_VER 30233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic int round(double x) { 31233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (x < 0) 32233d2500723e5594f3e7c70896ffeeef32b9c950ywan return static_cast<int>(ceil(x - 0.5)); 33233d2500723e5594f3e7c70896ffeeef32b9c950ywan else 34233d2500723e5594f3e7c70896ffeeef32b9c950ywan return static_cast<int>(floor(x + 0.5)); 35233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 36233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 37233d2500723e5594f3e7c70896ffeeef32b9c950ywan 38233d2500723e5594f3e7c70896ffeeef32b9c950ywanconst int kNumCoeffs = 1024; 39233d2500723e5594f3e7c70896ffeeef32b9c950ywanconst double kPi = 3.141592653589793238462643383279502884; 40233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid reference_32x32_dct_1d(const double in[32], double out[32], int stride) { 41233d2500723e5594f3e7c70896ffeeef32b9c950ywan const double kInvSqrt2 = 0.707106781186547524400844362104; 42233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int k = 0; k < 32; k++) { 43233d2500723e5594f3e7c70896ffeeef32b9c950ywan out[k] = 0.0; 44233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int n = 0; n < 32; n++) 45233d2500723e5594f3e7c70896ffeeef32b9c950ywan out[k] += in[n] * cos(kPi * (2 * n + 1) * k / 64.0); 46233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (k == 0) 47233d2500723e5594f3e7c70896ffeeef32b9c950ywan out[k] = out[k] * kInvSqrt2; 48233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 49233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 50233d2500723e5594f3e7c70896ffeeef32b9c950ywan 51233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid reference_32x32_dct_2d(const int16_t input[kNumCoeffs], 52233d2500723e5594f3e7c70896ffeeef32b9c950ywan double output[kNumCoeffs]) { 53233d2500723e5594f3e7c70896ffeeef32b9c950ywan // First transform columns 54233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int i = 0; i < 32; ++i) { 55233d2500723e5594f3e7c70896ffeeef32b9c950ywan double temp_in[32], temp_out[32]; 56233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < 32; ++j) 57233d2500723e5594f3e7c70896ffeeef32b9c950ywan temp_in[j] = input[j*32 + i]; 58233d2500723e5594f3e7c70896ffeeef32b9c950ywan reference_32x32_dct_1d(temp_in, temp_out, 1); 59233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < 32; ++j) 60233d2500723e5594f3e7c70896ffeeef32b9c950ywan output[j * 32 + i] = temp_out[j]; 61233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 62233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Then transform rows 63233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int i = 0; i < 32; ++i) { 64233d2500723e5594f3e7c70896ffeeef32b9c950ywan double temp_in[32], temp_out[32]; 65233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < 32; ++j) 66233d2500723e5594f3e7c70896ffeeef32b9c950ywan temp_in[j] = output[j + i*32]; 67233d2500723e5594f3e7c70896ffeeef32b9c950ywan reference_32x32_dct_1d(temp_in, temp_out, 1); 68233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Scale by some magic number 69233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < 32; ++j) 70233d2500723e5594f3e7c70896ffeeef32b9c950ywan output[j + i * 32] = temp_out[j] / 4; 71233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 72233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 73233d2500723e5594f3e7c70896ffeeef32b9c950ywan 74233d2500723e5594f3e7c70896ffeeef32b9c950ywantypedef void (*fwd_txfm_t)(const int16_t *in, int16_t *out, int stride); 75233d2500723e5594f3e7c70896ffeeef32b9c950ywantypedef void (*inv_txfm_t)(const int16_t *in, uint8_t *out, int stride); 76233d2500723e5594f3e7c70896ffeeef32b9c950ywan 77233d2500723e5594f3e7c70896ffeeef32b9c950ywantypedef std::tr1::tuple<fwd_txfm_t, inv_txfm_t, int> trans_32x32_param_t; 78233d2500723e5594f3e7c70896ffeeef32b9c950ywan 79233d2500723e5594f3e7c70896ffeeef32b9c950ywanclass Trans32x32Test : public ::testing::TestWithParam<trans_32x32_param_t> { 80233d2500723e5594f3e7c70896ffeeef32b9c950ywan public: 81233d2500723e5594f3e7c70896ffeeef32b9c950ywan virtual ~Trans32x32Test() {} 82233d2500723e5594f3e7c70896ffeeef32b9c950ywan virtual void SetUp() { 83233d2500723e5594f3e7c70896ffeeef32b9c950ywan fwd_txfm_ = GET_PARAM(0); 84233d2500723e5594f3e7c70896ffeeef32b9c950ywan inv_txfm_ = GET_PARAM(1); 85233d2500723e5594f3e7c70896ffeeef32b9c950ywan version_ = GET_PARAM(2); // 0: high precision forward transform 86233d2500723e5594f3e7c70896ffeeef32b9c950ywan // 1: low precision version for rd loop 87233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 88233d2500723e5594f3e7c70896ffeeef32b9c950ywan 89233d2500723e5594f3e7c70896ffeeef32b9c950ywan virtual void TearDown() { libvpx_test::ClearSystemState(); } 90233d2500723e5594f3e7c70896ffeeef32b9c950ywan 91233d2500723e5594f3e7c70896ffeeef32b9c950ywan protected: 92233d2500723e5594f3e7c70896ffeeef32b9c950ywan int version_; 93233d2500723e5594f3e7c70896ffeeef32b9c950ywan fwd_txfm_t fwd_txfm_; 94233d2500723e5594f3e7c70896ffeeef32b9c950ywan inv_txfm_t inv_txfm_; 95233d2500723e5594f3e7c70896ffeeef32b9c950ywan}; 96233d2500723e5594f3e7c70896ffeeef32b9c950ywan 97233d2500723e5594f3e7c70896ffeeef32b9c950ywanTEST_P(Trans32x32Test, AccuracyCheck) { 98233d2500723e5594f3e7c70896ffeeef32b9c950ywan ACMRandom rnd(ACMRandom::DeterministicSeed()); 99233d2500723e5594f3e7c70896ffeeef32b9c950ywan uint32_t max_error = 0; 100233d2500723e5594f3e7c70896ffeeef32b9c950ywan int64_t total_error = 0; 101233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int count_test_block = 1000; 102233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, kNumCoeffs); 103233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, test_temp_block, kNumCoeffs); 104233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, kNumCoeffs); 105233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, uint8_t, src, kNumCoeffs); 106233d2500723e5594f3e7c70896ffeeef32b9c950ywan 107233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int i = 0; i < count_test_block; ++i) { 108233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Initialize a test block with input range [-255, 255]. 109233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) { 110233d2500723e5594f3e7c70896ffeeef32b9c950ywan src[j] = rnd.Rand8(); 111233d2500723e5594f3e7c70896ffeeef32b9c950ywan dst[j] = rnd.Rand8(); 112233d2500723e5594f3e7c70896ffeeef32b9c950ywan test_input_block[j] = src[j] - dst[j]; 113233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 114233d2500723e5594f3e7c70896ffeeef32b9c950ywan 115233d2500723e5594f3e7c70896ffeeef32b9c950ywan REGISTER_STATE_CHECK(fwd_txfm_(test_input_block, test_temp_block, 32)); 116233d2500723e5594f3e7c70896ffeeef32b9c950ywan REGISTER_STATE_CHECK(inv_txfm_(test_temp_block, dst, 32)); 117233d2500723e5594f3e7c70896ffeeef32b9c950ywan 118233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) { 119233d2500723e5594f3e7c70896ffeeef32b9c950ywan const uint32_t diff = dst[j] - src[j]; 120233d2500723e5594f3e7c70896ffeeef32b9c950ywan const uint32_t error = diff * diff; 121233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (max_error < error) 122233d2500723e5594f3e7c70896ffeeef32b9c950ywan max_error = error; 123233d2500723e5594f3e7c70896ffeeef32b9c950ywan total_error += error; 124233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 125233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 126233d2500723e5594f3e7c70896ffeeef32b9c950ywan 127233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (version_ == 1) { 128233d2500723e5594f3e7c70896ffeeef32b9c950ywan max_error /= 2; 129233d2500723e5594f3e7c70896ffeeef32b9c950ywan total_error /= 45; 130233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 131233d2500723e5594f3e7c70896ffeeef32b9c950ywan 132233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(1u, max_error) 133233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT/IDCT has an individual round-trip error > 1"; 134233d2500723e5594f3e7c70896ffeeef32b9c950ywan 135233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(count_test_block, total_error) 136233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT/IDCT has average round-trip error > 1 per block"; 137233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 138233d2500723e5594f3e7c70896ffeeef32b9c950ywan 139233d2500723e5594f3e7c70896ffeeef32b9c950ywanTEST_P(Trans32x32Test, CoeffCheck) { 140233d2500723e5594f3e7c70896ffeeef32b9c950ywan ACMRandom rnd(ACMRandom::DeterministicSeed()); 141233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int count_test_block = 1000; 142233d2500723e5594f3e7c70896ffeeef32b9c950ywan 143233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, input_block, kNumCoeffs); 144233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, output_ref_block, kNumCoeffs); 145233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, output_block, kNumCoeffs); 146233d2500723e5594f3e7c70896ffeeef32b9c950ywan 147233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int i = 0; i < count_test_block; ++i) { 148233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) 149233d2500723e5594f3e7c70896ffeeef32b9c950ywan input_block[j] = rnd.Rand8() - rnd.Rand8(); 150233d2500723e5594f3e7c70896ffeeef32b9c950ywan 151233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int stride = 32; 152233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_fdct32x32_c(input_block, output_ref_block, stride); 153233d2500723e5594f3e7c70896ffeeef32b9c950ywan REGISTER_STATE_CHECK(fwd_txfm_(input_block, output_block, stride)); 154233d2500723e5594f3e7c70896ffeeef32b9c950ywan 155233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (version_ == 0) { 156233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) 157233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_EQ(output_block[j], output_ref_block[j]) 158233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT versions have mismatched coefficients"; 159233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 160233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) 161233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(6, abs(output_block[j] - output_ref_block[j])) 162233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT rd has mismatched coefficients"; 163233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 164233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 165233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 166233d2500723e5594f3e7c70896ffeeef32b9c950ywan 167233d2500723e5594f3e7c70896ffeeef32b9c950ywanTEST_P(Trans32x32Test, MemCheck) { 168233d2500723e5594f3e7c70896ffeeef32b9c950ywan ACMRandom rnd(ACMRandom::DeterministicSeed()); 169233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int count_test_block = 2000; 170233d2500723e5594f3e7c70896ffeeef32b9c950ywan 171233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, input_block, kNumCoeffs); 172233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, input_extreme_block, kNumCoeffs); 173233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, output_ref_block, kNumCoeffs); 174233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, output_block, kNumCoeffs); 175233d2500723e5594f3e7c70896ffeeef32b9c950ywan 176233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int i = 0; i < count_test_block; ++i) { 177233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Initialize a test block with input range [-255, 255]. 178233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) { 179233d2500723e5594f3e7c70896ffeeef32b9c950ywan input_block[j] = rnd.Rand8() - rnd.Rand8(); 180233d2500723e5594f3e7c70896ffeeef32b9c950ywan input_extreme_block[j] = rnd.Rand8() & 1 ? 255 : -255; 181233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 182233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (i == 0) 183233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) 184233d2500723e5594f3e7c70896ffeeef32b9c950ywan input_extreme_block[j] = 255; 185233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (i == 1) 186233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) 187233d2500723e5594f3e7c70896ffeeef32b9c950ywan input_extreme_block[j] = -255; 188233d2500723e5594f3e7c70896ffeeef32b9c950ywan 189233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int stride = 32; 190233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_fdct32x32_c(input_extreme_block, output_ref_block, stride); 191233d2500723e5594f3e7c70896ffeeef32b9c950ywan REGISTER_STATE_CHECK(fwd_txfm_(input_extreme_block, output_block, stride)); 192233d2500723e5594f3e7c70896ffeeef32b9c950ywan 193233d2500723e5594f3e7c70896ffeeef32b9c950ywan // The minimum quant value is 4. 194233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) { 195233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (version_ == 0) { 196233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_EQ(output_block[j], output_ref_block[j]) 197233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT versions have mismatched coefficients"; 198233d2500723e5594f3e7c70896ffeeef32b9c950ywan } else { 199233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(6, abs(output_block[j] - output_ref_block[j])) 200233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT rd has mismatched coefficients"; 201233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 202233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(4 * DCT_MAX_VALUE, abs(output_ref_block[j])) 203233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT C has coefficient larger than 4*DCT_MAX_VALUE"; 204233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(4 * DCT_MAX_VALUE, abs(output_block[j])) 205233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 FDCT has coefficient larger than " 206233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "4*DCT_MAX_VALUE"; 207233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 208233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 209233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 210233d2500723e5594f3e7c70896ffeeef32b9c950ywan 211233d2500723e5594f3e7c70896ffeeef32b9c950ywanTEST_P(Trans32x32Test, InverseAccuracy) { 212233d2500723e5594f3e7c70896ffeeef32b9c950ywan ACMRandom rnd(ACMRandom::DeterministicSeed()); 213233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int count_test_block = 1000; 214233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, in, kNumCoeffs); 215233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, int16_t, coeff, kNumCoeffs); 216233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, kNumCoeffs); 217233d2500723e5594f3e7c70896ffeeef32b9c950ywan DECLARE_ALIGNED_ARRAY(16, uint8_t, src, kNumCoeffs); 218233d2500723e5594f3e7c70896ffeeef32b9c950ywan 219233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int i = 0; i < count_test_block; ++i) { 220233d2500723e5594f3e7c70896ffeeef32b9c950ywan double out_r[kNumCoeffs]; 221233d2500723e5594f3e7c70896ffeeef32b9c950ywan 222233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Initialize a test block with input range [-255, 255] 223233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) { 224233d2500723e5594f3e7c70896ffeeef32b9c950ywan src[j] = rnd.Rand8(); 225233d2500723e5594f3e7c70896ffeeef32b9c950ywan dst[j] = rnd.Rand8(); 226233d2500723e5594f3e7c70896ffeeef32b9c950ywan in[j] = src[j] - dst[j]; 227233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 228233d2500723e5594f3e7c70896ffeeef32b9c950ywan 229233d2500723e5594f3e7c70896ffeeef32b9c950ywan reference_32x32_dct_2d(in, out_r); 230233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) 231233d2500723e5594f3e7c70896ffeeef32b9c950ywan coeff[j] = round(out_r[j]); 232233d2500723e5594f3e7c70896ffeeef32b9c950ywan REGISTER_STATE_CHECK(inv_txfm_(coeff, dst, 32)); 233233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (int j = 0; j < kNumCoeffs; ++j) { 234233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int diff = dst[j] - src[j]; 235233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int error = diff * diff; 236233d2500723e5594f3e7c70896ffeeef32b9c950ywan EXPECT_GE(1, error) 237233d2500723e5594f3e7c70896ffeeef32b9c950ywan << "Error: 32x32 IDCT has error " << error 238233d2500723e5594f3e7c70896ffeeef32b9c950ywan << " at index " << j; 239233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 240233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 241233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 242233d2500723e5594f3e7c70896ffeeef32b9c950ywan 243233d2500723e5594f3e7c70896ffeeef32b9c950ywanusing std::tr1::make_tuple; 244233d2500723e5594f3e7c70896ffeeef32b9c950ywan 245233d2500723e5594f3e7c70896ffeeef32b9c950ywanINSTANTIATE_TEST_CASE_P( 246233d2500723e5594f3e7c70896ffeeef32b9c950ywan C, Trans32x32Test, 247233d2500723e5594f3e7c70896ffeeef32b9c950ywan ::testing::Values( 248233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_c, &vp9_idct32x32_1024_add_c, 0), 249233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_rd_c, &vp9_idct32x32_1024_add_c, 1))); 250233d2500723e5594f3e7c70896ffeeef32b9c950ywan 251233d2500723e5594f3e7c70896ffeeef32b9c950ywan#if HAVE_NEON 252233d2500723e5594f3e7c70896ffeeef32b9c950ywanINSTANTIATE_TEST_CASE_P( 253233d2500723e5594f3e7c70896ffeeef32b9c950ywan NEON, Trans32x32Test, 254233d2500723e5594f3e7c70896ffeeef32b9c950ywan ::testing::Values( 255233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_c, 256233d2500723e5594f3e7c70896ffeeef32b9c950ywan &vp9_idct32x32_1024_add_neon, 0), 257233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_rd_c, 258233d2500723e5594f3e7c70896ffeeef32b9c950ywan &vp9_idct32x32_1024_add_neon, 1))); 259233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 260233d2500723e5594f3e7c70896ffeeef32b9c950ywan 261233d2500723e5594f3e7c70896ffeeef32b9c950ywan#if HAVE_SSE2 262233d2500723e5594f3e7c70896ffeeef32b9c950ywanINSTANTIATE_TEST_CASE_P( 263233d2500723e5594f3e7c70896ffeeef32b9c950ywan SSE2, Trans32x32Test, 264233d2500723e5594f3e7c70896ffeeef32b9c950ywan ::testing::Values( 265233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_sse2, 266233d2500723e5594f3e7c70896ffeeef32b9c950ywan &vp9_idct32x32_1024_add_sse2, 0), 267233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_rd_sse2, 268233d2500723e5594f3e7c70896ffeeef32b9c950ywan &vp9_idct32x32_1024_add_sse2, 1))); 269233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 270233d2500723e5594f3e7c70896ffeeef32b9c950ywan 271233d2500723e5594f3e7c70896ffeeef32b9c950ywan#if HAVE_AVX2 272233d2500723e5594f3e7c70896ffeeef32b9c950ywanINSTANTIATE_TEST_CASE_P( 273233d2500723e5594f3e7c70896ffeeef32b9c950ywan AVX2, Trans32x32Test, 274233d2500723e5594f3e7c70896ffeeef32b9c950ywan ::testing::Values( 275233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_avx2, 276233d2500723e5594f3e7c70896ffeeef32b9c950ywan &vp9_idct32x32_1024_add_sse2, 0), 277233d2500723e5594f3e7c70896ffeeef32b9c950ywan make_tuple(&vp9_fdct32x32_rd_avx2, 278233d2500723e5594f3e7c70896ffeeef32b9c950ywan &vp9_idct32x32_1024_add_sse2, 1))); 279233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 280233d2500723e5594f3e7c70896ffeeef32b9c950ywan} // namespace 281