end_to_end_ssim_test.cc (7383B)
1 /* 2 * Copyright (c) 2021, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #include "aom_ports/mem.h" 13 #include "aom_dsp/ssim.h" 14 #include "av1/common/blockd.h" 15 #include "gtest/gtest.h" 16 #include "test/codec_factory.h" 17 #include "test/encode_test_driver.h" 18 #include "test/util.h" 19 #include "test/y4m_video_source.h" 20 21 namespace { 22 23 const unsigned int kFrames = 10; 24 const unsigned int kCqLevel = 18; 25 // List of ssim thresholds for speed settings 0-8 with all intra encoding mode. 26 const double kSsimThreshold[] = { 83.4, 83.4, 83.4, 83.3, 83.3, 27 83.0, 82.3, 81.1, 81.1 }; 28 29 struct TestVideoParam { 30 const char *filename; 31 unsigned int input_bit_depth; 32 aom_img_fmt fmt; 33 aom_bit_depth_t bit_depth; 34 unsigned int profile; 35 }; 36 37 std::ostream &operator<<(std::ostream &os, const TestVideoParam &test_arg) { 38 return os << "TestVideoParam { filename:" << test_arg.filename 39 << " input_bit_depth:" << test_arg.input_bit_depth 40 << " fmt:" << test_arg.fmt << " bit_depth:" << test_arg.bit_depth 41 << " profile:" << test_arg.profile << " }"; 42 } 43 44 const TestVideoParam kTestVectors[] = { 45 { "park_joy_90p_8_420.y4m", 8, AOM_IMG_FMT_I420, AOM_BITS_8, 0 }, 46 { "park_joy_90p_8_422.y4m", 8, AOM_IMG_FMT_I422, AOM_BITS_8, 2 }, 47 { "park_joy_90p_8_444.y4m", 8, AOM_IMG_FMT_I444, AOM_BITS_8, 1 }, 48 #if CONFIG_AV1_HIGHBITDEPTH 49 { "park_joy_90p_10_420.y4m", 10, AOM_IMG_FMT_I42016, AOM_BITS_10, 0 }, 50 { "park_joy_90p_10_422.y4m", 10, AOM_IMG_FMT_I42216, AOM_BITS_10, 2 }, 51 { "park_joy_90p_10_444.y4m", 10, AOM_IMG_FMT_I44416, AOM_BITS_10, 1 }, 52 { "park_joy_90p_12_420.y4m", 12, AOM_IMG_FMT_I42016, AOM_BITS_12, 2 }, 53 { "park_joy_90p_12_422.y4m", 12, AOM_IMG_FMT_I42216, AOM_BITS_12, 2 }, 54 { "park_joy_90p_12_444.y4m", 12, AOM_IMG_FMT_I44416, AOM_BITS_12, 2 }, 55 #endif 56 }; 57 58 // This class is used to check adherence to given ssim value. 59 class EndToEndSSIMTest 60 : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, 61 TestVideoParam, int>, 62 public ::libaom_test::EncoderTest { 63 protected: 64 EndToEndSSIMTest() 65 : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)), 66 test_video_param_(GET_PARAM(2)), cpu_used_(GET_PARAM(3)), nframes_(0), 67 ssim_(0.0) {} 68 69 ~EndToEndSSIMTest() override = default; 70 71 void SetUp() override { InitializeConfig(encoding_mode_); } 72 73 void BeginPassHook(unsigned int) override { 74 nframes_ = 0; 75 ssim_ = 0.0; 76 } 77 78 void CalculateFrameLevelSSIM(const aom_image_t *img_src, 79 const aom_image_t *img_enc, 80 aom_bit_depth_t bit_depth, 81 unsigned int input_bit_depth) override { 82 double frame_ssim; 83 double plane_ssim[MAX_MB_PLANE] = { 0.0, 0.0, 0.0 }; 84 int crop_widths[PLANE_TYPES]; 85 int crop_heights[PLANE_TYPES]; 86 crop_widths[PLANE_TYPE_Y] = img_src->d_w; 87 crop_heights[PLANE_TYPE_Y] = img_src->d_h; 88 // Width of UV planes calculated based on chroma_shift values. 89 crop_widths[PLANE_TYPE_UV] = 90 img_src->x_chroma_shift == 1 ? (img_src->w + 1) >> 1 : img_src->w; 91 crop_heights[PLANE_TYPE_UV] = 92 img_src->y_chroma_shift == 1 ? (img_src->h + 1) >> 1 : img_src->h; 93 nframes_++; 94 95 #if CONFIG_AV1_HIGHBITDEPTH 96 uint8_t is_hbd = bit_depth > AOM_BITS_8; 97 if (is_hbd) { 98 // HBD ssim calculation. 99 uint8_t shift = bit_depth - input_bit_depth; 100 for (int i = AOM_PLANE_Y; i < MAX_MB_PLANE; ++i) { 101 const int is_uv = i > AOM_PLANE_Y; 102 plane_ssim[i] = aom_highbd_ssim2( 103 CONVERT_TO_BYTEPTR(img_src->planes[i]), 104 CONVERT_TO_BYTEPTR(img_enc->planes[i]), 105 img_src->stride[is_uv] >> is_hbd, img_enc->stride[is_uv] >> is_hbd, 106 crop_widths[is_uv], crop_heights[is_uv], input_bit_depth, shift); 107 } 108 frame_ssim = plane_ssim[AOM_PLANE_Y] * .8 + 109 .1 * (plane_ssim[AOM_PLANE_U] + plane_ssim[AOM_PLANE_V]); 110 // Accumulate to find sequence level ssim value. 111 ssim_ += frame_ssim; 112 return; 113 } 114 #else 115 (void)bit_depth; 116 (void)input_bit_depth; 117 #endif // CONFIG_AV1_HIGHBITDEPTH 118 119 // LBD ssim calculation. 120 for (int i = AOM_PLANE_Y; i < MAX_MB_PLANE; ++i) { 121 const int is_uv = i > AOM_PLANE_Y; 122 plane_ssim[i] = aom_ssim2(img_src->planes[i], img_enc->planes[i], 123 img_src->stride[is_uv], img_enc->stride[is_uv], 124 crop_widths[is_uv], crop_heights[is_uv]); 125 } 126 frame_ssim = plane_ssim[AOM_PLANE_Y] * .8 + 127 .1 * (plane_ssim[AOM_PLANE_U] + plane_ssim[AOM_PLANE_V]); 128 // Accumulate to find sequence level ssim value. 129 ssim_ += frame_ssim; 130 } 131 132 void PreEncodeFrameHook(::libaom_test::VideoSource *video, 133 ::libaom_test::Encoder *encoder) override { 134 if (video->frame() == 0) { 135 encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1); 136 encoder->Control(AV1E_SET_TILE_COLUMNS, 4); 137 encoder->Control(AOME_SET_CPUUSED, cpu_used_); 138 encoder->Control(AOME_SET_TUNING, AOM_TUNE_SSIM); 139 encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel); 140 } 141 } 142 143 double GetAverageSsim() const { 144 if (nframes_) return 100 * pow(ssim_ / nframes_, 8.0); 145 return 0.0; 146 } 147 148 double GetSsimThreshold() { return kSsimThreshold[cpu_used_]; } 149 150 void DoTest() { 151 cfg_.g_profile = test_video_param_.profile; 152 cfg_.g_input_bit_depth = test_video_param_.input_bit_depth; 153 cfg_.g_bit_depth = test_video_param_.bit_depth; 154 if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH; 155 156 std::unique_ptr<libaom_test::VideoSource> video( 157 new libaom_test::Y4mVideoSource(test_video_param_.filename, 0, 158 kFrames)); 159 ASSERT_NE(video, nullptr); 160 ASSERT_NO_FATAL_FAILURE(RunLoop(video.get())); 161 const double ssim = GetAverageSsim(); 162 EXPECT_GT(ssim, GetSsimThreshold()) 163 << "encoding mode = " << encoding_mode_ << ", cpu used = " << cpu_used_; 164 } 165 166 private: 167 const libaom_test::TestMode encoding_mode_; 168 const TestVideoParam test_video_param_; 169 const int cpu_used_; 170 unsigned int nframes_; 171 double ssim_; 172 }; 173 174 class EndToEndSSIMTestLarge : public EndToEndSSIMTest {}; 175 176 TEST_P(EndToEndSSIMTestLarge, EndtoEndSSIMTest) { DoTest(); } 177 178 TEST_P(EndToEndSSIMTest, EndtoEndSSIMTest) { DoTest(); } 179 180 AV1_INSTANTIATE_TEST_SUITE(EndToEndSSIMTestLarge, 181 ::testing::Values(::libaom_test::kAllIntra), 182 ::testing::ValuesIn(kTestVectors), 183 ::testing::Values(2, 4, 6, 8)); // cpu_used 184 185 AV1_INSTANTIATE_TEST_SUITE(EndToEndSSIMTest, 186 ::testing::Values(::libaom_test::kAllIntra), 187 ::testing::Values(kTestVectors[0]), // 420 188 ::testing::Values(6)); // cpu_used 189 } // namespace