|  | /* | 
|  | * Copyright (c) 2022, 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 <memory> | 
|  |  | 
|  | #include "aom_ports/mem.h" | 
|  | #include "aom_dsp/ssim.h" | 
|  | #include "av1/common/blockd.h" | 
|  | #include "gtest/gtest.h" | 
|  | #include "test/codec_factory.h" | 
|  | #include "test/encode_test_driver.h" | 
|  | #include "test/util.h" | 
|  | #include "test/y4m_video_source.h" | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | const unsigned int kFrames = 10; | 
|  | const unsigned int kCqLevel = 18; | 
|  | // List of ssim thresholds for speed settings 0-8 with all intra encoding mode. | 
|  | const double kSsimThreshold[] = { 83.4, 83.4, 83.4, 83.3, 83.3, | 
|  | 83.0, 82.3, 81.1, 81.1 }; | 
|  |  | 
|  | struct TestVideoParam { | 
|  | const char *filename; | 
|  | unsigned int input_bit_depth; | 
|  | aom_img_fmt fmt; | 
|  | aom_bit_depth_t bit_depth; | 
|  | unsigned int profile; | 
|  | }; | 
|  |  | 
|  | std::ostream &operator<<(std::ostream &os, const TestVideoParam &test_arg) { | 
|  | return os << "TestVideoParam { filename:" << test_arg.filename | 
|  | << " input_bit_depth:" << test_arg.input_bit_depth | 
|  | << " fmt:" << test_arg.fmt << " bit_depth:" << test_arg.bit_depth | 
|  | << " profile:" << test_arg.profile << " }"; | 
|  | } | 
|  |  | 
|  | const TestVideoParam kTestVectors[] = { | 
|  | { "park_joy_90p_8_420.y4m", 8, AOM_IMG_FMT_I420, AOM_BITS_8, 0 }, | 
|  | { "park_joy_90p_8_422.y4m", 8, AOM_IMG_FMT_I422, AOM_BITS_8, 2 }, | 
|  | { "park_joy_90p_8_444.y4m", 8, AOM_IMG_FMT_I444, AOM_BITS_8, 1 }, | 
|  | #if CONFIG_AV1_HIGHBITDEPTH | 
|  | { "park_joy_90p_10_420.y4m", 10, AOM_IMG_FMT_I42016, AOM_BITS_10, 0 }, | 
|  | { "park_joy_90p_10_422.y4m", 10, AOM_IMG_FMT_I42216, AOM_BITS_10, 2 }, | 
|  | { "park_joy_90p_10_444.y4m", 10, AOM_IMG_FMT_I44416, AOM_BITS_10, 1 }, | 
|  | { "park_joy_90p_12_420.y4m", 12, AOM_IMG_FMT_I42016, AOM_BITS_12, 2 }, | 
|  | { "park_joy_90p_12_422.y4m", 12, AOM_IMG_FMT_I42216, AOM_BITS_12, 2 }, | 
|  | { "park_joy_90p_12_444.y4m", 12, AOM_IMG_FMT_I44416, AOM_BITS_12, 2 }, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | // This class is used to check adherence to given ssim value, while using the | 
|  | // "dist-metric=qm-psnr" option. | 
|  | class EndToEndQMPSNRTest | 
|  | : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, | 
|  | TestVideoParam, int>, | 
|  | public ::libaom_test::EncoderTest { | 
|  | protected: | 
|  | EndToEndQMPSNRTest() | 
|  | : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)), | 
|  | test_video_param_(GET_PARAM(2)), cpu_used_(GET_PARAM(3)), nframes_(0), | 
|  | ssim_(0.0) {} | 
|  |  | 
|  | ~EndToEndQMPSNRTest() override = default; | 
|  |  | 
|  | void SetUp() override { InitializeConfig(encoding_mode_); } | 
|  |  | 
|  | void BeginPassHook(unsigned int) override { | 
|  | nframes_ = 0; | 
|  | ssim_ = 0.0; | 
|  | } | 
|  |  | 
|  | void CalculateFrameLevelSSIM(const aom_image_t *img_src, | 
|  | const aom_image_t *img_enc, | 
|  | aom_bit_depth_t bit_depth, | 
|  | unsigned int input_bit_depth) override { | 
|  | double frame_ssim; | 
|  | double plane_ssim[MAX_MB_PLANE] = { 0.0, 0.0, 0.0 }; | 
|  | int crop_widths[PLANE_TYPES]; | 
|  | int crop_heights[PLANE_TYPES]; | 
|  | crop_widths[PLANE_TYPE_Y] = img_src->d_w; | 
|  | crop_heights[PLANE_TYPE_Y] = img_src->d_h; | 
|  | // Width of UV planes calculated based on chroma_shift values. | 
|  | crop_widths[PLANE_TYPE_UV] = | 
|  | img_src->x_chroma_shift == 1 ? (img_src->w + 1) >> 1 : img_src->w; | 
|  | crop_heights[PLANE_TYPE_UV] = | 
|  | img_src->y_chroma_shift == 1 ? (img_src->h + 1) >> 1 : img_src->h; | 
|  | nframes_++; | 
|  |  | 
|  | #if CONFIG_AV1_HIGHBITDEPTH | 
|  | uint8_t is_hbd = bit_depth > AOM_BITS_8; | 
|  | if (is_hbd) { | 
|  | // HBD ssim calculation. | 
|  | uint8_t shift = bit_depth - input_bit_depth; | 
|  | for (int i = AOM_PLANE_Y; i < MAX_MB_PLANE; ++i) { | 
|  | const int is_uv = i > AOM_PLANE_Y; | 
|  | plane_ssim[i] = aom_highbd_ssim2( | 
|  | CONVERT_TO_BYTEPTR(img_src->planes[i]), | 
|  | CONVERT_TO_BYTEPTR(img_enc->planes[i]), | 
|  | img_src->stride[is_uv] >> is_hbd, img_enc->stride[is_uv] >> is_hbd, | 
|  | crop_widths[is_uv], crop_heights[is_uv], input_bit_depth, shift); | 
|  | } | 
|  | frame_ssim = plane_ssim[AOM_PLANE_Y] * .8 + | 
|  | .1 * (plane_ssim[AOM_PLANE_U] + plane_ssim[AOM_PLANE_V]); | 
|  | // Accumulate to find sequence level ssim value. | 
|  | ssim_ += frame_ssim; | 
|  | return; | 
|  | } | 
|  | #else | 
|  | (void)bit_depth; | 
|  | (void)input_bit_depth; | 
|  | #endif  // CONFIG_AV1_HIGHBITDEPTH | 
|  |  | 
|  | // LBD ssim calculation. | 
|  | for (int i = AOM_PLANE_Y; i < MAX_MB_PLANE; ++i) { | 
|  | const int is_uv = i > AOM_PLANE_Y; | 
|  | plane_ssim[i] = aom_ssim2(img_src->planes[i], img_enc->planes[i], | 
|  | img_src->stride[is_uv], img_enc->stride[is_uv], | 
|  | crop_widths[is_uv], crop_heights[is_uv]); | 
|  | } | 
|  | frame_ssim = plane_ssim[AOM_PLANE_Y] * .8 + | 
|  | .1 * (plane_ssim[AOM_PLANE_U] + plane_ssim[AOM_PLANE_V]); | 
|  | // Accumulate to find sequence level ssim value. | 
|  | ssim_ += frame_ssim; | 
|  | } | 
|  |  | 
|  | void PreEncodeFrameHook(::libaom_test::VideoSource *video, | 
|  | ::libaom_test::Encoder *encoder) override { | 
|  | if (video->frame() == 0) { | 
|  | encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1); | 
|  | encoder->Control(AV1E_SET_TILE_COLUMNS, 4); | 
|  | encoder->Control(AOME_SET_CPUUSED, cpu_used_); | 
|  | encoder->Control(AOME_SET_TUNING, AOM_TUNE_SSIM); | 
|  | encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel); | 
|  | encoder->SetOption("dist-metric", "qm-psnr"); | 
|  | } | 
|  | } | 
|  |  | 
|  | double GetAverageSsim() const { | 
|  | if (nframes_) return 100 * pow(ssim_ / nframes_, 8.0); | 
|  | return 0.0; | 
|  | } | 
|  |  | 
|  | double GetSsimThreshold() { return kSsimThreshold[cpu_used_]; } | 
|  |  | 
|  | void DoTest() { | 
|  | cfg_.g_profile = test_video_param_.profile; | 
|  | cfg_.g_input_bit_depth = test_video_param_.input_bit_depth; | 
|  | cfg_.g_bit_depth = test_video_param_.bit_depth; | 
|  | if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH; | 
|  |  | 
|  | std::unique_ptr<libaom_test::VideoSource> video( | 
|  | new libaom_test::Y4mVideoSource(test_video_param_.filename, 0, | 
|  | kFrames)); | 
|  | ASSERT_NE(video, nullptr); | 
|  | ASSERT_NO_FATAL_FAILURE(RunLoop(video.get())); | 
|  | const double ssim = GetAverageSsim(); | 
|  | EXPECT_GT(ssim, GetSsimThreshold()) | 
|  | << "encoding mode = " << encoding_mode_ << ", cpu used = " << cpu_used_; | 
|  | } | 
|  |  | 
|  | private: | 
|  | const libaom_test::TestMode encoding_mode_; | 
|  | const TestVideoParam test_video_param_; | 
|  | const int cpu_used_; | 
|  | unsigned int nframes_; | 
|  | double ssim_; | 
|  | }; | 
|  |  | 
|  | class EndToEndQMPSNRTestLarge : public EndToEndQMPSNRTest {}; | 
|  |  | 
|  | TEST_P(EndToEndQMPSNRTestLarge, EndtoEndQMPSNRTest) { DoTest(); } | 
|  |  | 
|  | TEST_P(EndToEndQMPSNRTest, EndtoEndQMPSNRTest) { DoTest(); } | 
|  |  | 
|  | AV1_INSTANTIATE_TEST_SUITE(EndToEndQMPSNRTestLarge, | 
|  | ::testing::Values(::libaom_test::kAllIntra), | 
|  | ::testing::ValuesIn(kTestVectors), | 
|  | ::testing::Values(2, 4, 6, 8));  // cpu_used | 
|  |  | 
|  | AV1_INSTANTIATE_TEST_SUITE(EndToEndQMPSNRTest, | 
|  | ::testing::Values(::libaom_test::kAllIntra), | 
|  | ::testing::Values(kTestVectors[0]),  // 420 | 
|  | ::testing::Values(6));               // cpu_used | 
|  | }  // namespace |