1/* 2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include <string.h> 12 13#include "third_party/googletest/src/include/gtest/gtest.h" 14 15#include "./vpx_config.h" 16#include "./vp8_rtcd.h" 17#include "test/acm_random.h" 18#include "test/clear_system_state.h" 19#include "test/register_state_check.h" 20#include "test/util.h" 21#include "vp8/common/blockd.h" 22#include "vp8/common/onyx.h" 23#include "vp8/encoder/block.h" 24#include "vp8/encoder/onyx_int.h" 25#include "vp8/encoder/quantize.h" 26#include "vpx/vpx_integer.h" 27#include "vpx_mem/vpx_mem.h" 28 29namespace { 30 31const int kNumBlocks = 25; 32const int kNumBlockEntries = 16; 33 34typedef void (*VP8Quantize)(BLOCK *b, BLOCKD *d); 35 36typedef std::tr1::tuple<VP8Quantize, VP8Quantize> VP8QuantizeParam; 37 38using libvpx_test::ACMRandom; 39using std::tr1::make_tuple; 40 41// Create and populate a VP8_COMP instance which has a complete set of 42// quantization inputs as well as a second MACROBLOCKD for output. 43class QuantizeTestBase { 44 public: 45 virtual ~QuantizeTestBase() { 46 vp8_remove_compressor(&vp8_comp_); 47 vp8_comp_ = NULL; 48 vpx_free(macroblockd_dst_); 49 macroblockd_dst_ = NULL; 50 libvpx_test::ClearSystemState(); 51 } 52 53 protected: 54 void SetupCompressor() { 55 rnd_.Reset(ACMRandom::DeterministicSeed()); 56 57 // The full configuration is necessary to generate the quantization tables. 58 VP8_CONFIG vp8_config; 59 memset(&vp8_config, 0, sizeof(vp8_config)); 60 61 vp8_comp_ = vp8_create_compressor(&vp8_config); 62 63 // Set the tables based on a quantizer of 0. 64 vp8_set_quantizer(vp8_comp_, 0); 65 66 // Set up all the block/blockd pointers for the mb in vp8_comp_. 67 vp8cx_frame_init_quantizer(vp8_comp_); 68 69 // Copy macroblockd from the reference to get pre-set-up dequant values. 70 macroblockd_dst_ = reinterpret_cast<MACROBLOCKD *>( 71 vpx_memalign(32, sizeof(*macroblockd_dst_))); 72 memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd, sizeof(*macroblockd_dst_)); 73 // Fix block pointers - currently they point to the blocks in the reference 74 // structure. 75 vp8_setup_block_dptrs(macroblockd_dst_); 76 } 77 78 void UpdateQuantizer(int q) { 79 vp8_set_quantizer(vp8_comp_, q); 80 81 memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd, sizeof(*macroblockd_dst_)); 82 vp8_setup_block_dptrs(macroblockd_dst_); 83 } 84 85 void FillCoeffConstant(int16_t c) { 86 for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) { 87 vp8_comp_->mb.coeff[i] = c; 88 } 89 } 90 91 void FillCoeffRandom() { 92 for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) { 93 vp8_comp_->mb.coeff[i] = rnd_.Rand8(); 94 } 95 } 96 97 void CheckOutput() { 98 EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.qcoeff, macroblockd_dst_->qcoeff, 99 sizeof(*macroblockd_dst_->qcoeff) * kNumBlocks * 100 kNumBlockEntries)) 101 << "qcoeff mismatch"; 102 EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.dqcoeff, macroblockd_dst_->dqcoeff, 103 sizeof(*macroblockd_dst_->dqcoeff) * kNumBlocks * 104 kNumBlockEntries)) 105 << "dqcoeff mismatch"; 106 EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.eobs, macroblockd_dst_->eobs, 107 sizeof(*macroblockd_dst_->eobs) * kNumBlocks)) 108 << "eobs mismatch"; 109 } 110 111 VP8_COMP *vp8_comp_; 112 MACROBLOCKD *macroblockd_dst_; 113 114 private: 115 ACMRandom rnd_; 116}; 117 118class QuantizeTest : public QuantizeTestBase, 119 public ::testing::TestWithParam<VP8QuantizeParam> { 120 protected: 121 virtual void SetUp() { 122 SetupCompressor(); 123 asm_quant_ = GET_PARAM(0); 124 c_quant_ = GET_PARAM(1); 125 } 126 127 void RunComparison() { 128 for (int i = 0; i < kNumBlocks; ++i) { 129 ASM_REGISTER_STATE_CHECK( 130 c_quant_(&vp8_comp_->mb.block[i], &vp8_comp_->mb.e_mbd.block[i])); 131 ASM_REGISTER_STATE_CHECK( 132 asm_quant_(&vp8_comp_->mb.block[i], ¯oblockd_dst_->block[i])); 133 } 134 135 CheckOutput(); 136 } 137 138 private: 139 VP8Quantize asm_quant_; 140 VP8Quantize c_quant_; 141}; 142 143TEST_P(QuantizeTest, TestZeroInput) { 144 FillCoeffConstant(0); 145 RunComparison(); 146} 147 148TEST_P(QuantizeTest, TestLargeNegativeInput) { 149 FillCoeffConstant(0); 150 // Generate a qcoeff which contains 512/-512 (0x0100/0xFE00) to catch issues 151 // like BUG=883 where the constant being compared was incorrectly initialized. 152 vp8_comp_->mb.coeff[0] = -8191; 153 RunComparison(); 154} 155 156TEST_P(QuantizeTest, TestRandomInput) { 157 FillCoeffRandom(); 158 RunComparison(); 159} 160 161TEST_P(QuantizeTest, TestMultipleQ) { 162 for (int q = 0; q < QINDEX_RANGE; ++q) { 163 UpdateQuantizer(q); 164 FillCoeffRandom(); 165 RunComparison(); 166 } 167} 168 169#if HAVE_SSE2 170INSTANTIATE_TEST_CASE_P( 171 SSE2, QuantizeTest, 172 ::testing::Values( 173 make_tuple(&vp8_fast_quantize_b_sse2, &vp8_fast_quantize_b_c), 174 make_tuple(&vp8_regular_quantize_b_sse2, &vp8_regular_quantize_b_c))); 175#endif // HAVE_SSE2 176 177#if HAVE_SSSE3 178INSTANTIATE_TEST_CASE_P(SSSE3, QuantizeTest, 179 ::testing::Values(make_tuple(&vp8_fast_quantize_b_ssse3, 180 &vp8_fast_quantize_b_c))); 181#endif // HAVE_SSSE3 182 183#if HAVE_SSE4_1 184INSTANTIATE_TEST_CASE_P( 185 SSE4_1, QuantizeTest, 186 ::testing::Values(make_tuple(&vp8_regular_quantize_b_sse4_1, 187 &vp8_regular_quantize_b_c))); 188#endif // HAVE_SSE4_1 189 190#if HAVE_NEON 191INSTANTIATE_TEST_CASE_P(NEON, QuantizeTest, 192 ::testing::Values(make_tuple(&vp8_fast_quantize_b_neon, 193 &vp8_fast_quantize_b_c))); 194#endif // HAVE_NEON 195 196#if HAVE_MSA 197INSTANTIATE_TEST_CASE_P( 198 MSA, QuantizeTest, 199 ::testing::Values( 200 make_tuple(&vp8_fast_quantize_b_msa, &vp8_fast_quantize_b_c), 201 make_tuple(&vp8_regular_quantize_b_msa, &vp8_regular_quantize_b_c))); 202#endif // HAVE_MSA 203} // namespace 204