diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/aom/test/end_to_end_ssim_test.cc | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/third_party/aom/test/end_to_end_ssim_test.cc b/third_party/aom/test/end_to_end_ssim_test.cc new file mode 100644 index 0000000000..f1b0cae75f --- /dev/null +++ b/third_party/aom/test/end_to_end_ssim_test.cc @@ -0,0 +1,189 @@ +/* + * Copyright (c) 2021, 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 "aom_ports/mem.h" +#include "aom_dsp/ssim.h" +#include "av1/common/blockd.h" +#include "test/codec_factory.h" +#include "test/encode_test_driver.h" +#include "test/util.h" +#include "test/y4m_video_source.h" +#include "third_party/googletest/src/googletest/include/gtest/gtest.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 }; + +typedef struct { + const char *filename; + unsigned int input_bit_depth; + aom_img_fmt fmt; + aom_bit_depth_t bit_depth; + unsigned int profile; +} TestVideoParam; + +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. +class EndToEndSSIMTest + : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, + TestVideoParam, int>, + public ::libaom_test::EncoderTest { + protected: + EndToEndSSIMTest() + : 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) {} + + ~EndToEndSSIMTest() 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); + } + } + + 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 EndToEndSSIMTestLarge : public EndToEndSSIMTest {}; + +TEST_P(EndToEndSSIMTestLarge, EndtoEndSSIMTest) { DoTest(); } + +TEST_P(EndToEndSSIMTest, EndtoEndSSIMTest) { DoTest(); } + +AV1_INSTANTIATE_TEST_SUITE(EndToEndSSIMTestLarge, + ::testing::Values(::libaom_test::kAllIntra), + ::testing::ValuesIn(kTestVectors), + ::testing::Values(2, 4, 6, 8)); // cpu_used + +AV1_INSTANTIATE_TEST_SUITE(EndToEndSSIMTest, + ::testing::Values(::libaom_test::kAllIntra), + ::testing::Values(kTestVectors[0]), // 420 + ::testing::Values(6)); // cpu_used +} // namespace |