diff options
Diffstat (limited to 'third_party/aom/test/hbd_metrics_test.cc')
| -rw-r--r-- | third_party/aom/test/hbd_metrics_test.cc | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/third_party/aom/test/hbd_metrics_test.cc b/third_party/aom/test/hbd_metrics_test.cc new file mode 100644 index 000000000..4def53b21 --- /dev/null +++ b/third_party/aom/test/hbd_metrics_test.cc @@ -0,0 +1,237 @@ +/* + * Copyright (c) 2016, 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 <math.h> +#include <stdlib.h> +#include <new> + +#include "third_party/googletest/src/googletest/include/gtest/gtest.h" +#include "test/acm_random.h" +#include "test/util.h" +#include "./aom_config.h" +#include "aom_dsp/psnr.h" +#include "aom_dsp/ssim.h" +#include "aom_ports/mem.h" +#include "aom_ports/msvc.h" +#include "aom_scale/yv12config.h" + +using libaom_test::ACMRandom; + +namespace { + +typedef double (*LBDMetricFunc)(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest); +typedef double (*HBDMetricFunc)(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest, uint32_t in_bd, + uint32_t bd); + +double compute_hbd_psnr(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest, uint32_t in_bd, + uint32_t bd) { + PSNR_STATS psnr; + aom_calc_highbd_psnr(source, dest, &psnr, bd, in_bd); + return psnr.psnr[0]; +} + +double compute_psnr(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest) { + PSNR_STATS psnr; + aom_calc_psnr(source, dest, &psnr); + return psnr.psnr[0]; +} + +double compute_hbd_psnrhvs(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest, uint32_t in_bd, + uint32_t bd) { + double tempy, tempu, tempv; + return aom_psnrhvs(source, dest, &tempy, &tempu, &tempv, bd, in_bd); +} + +double compute_psnrhvs(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest) { + double tempy, tempu, tempv; + return aom_psnrhvs(source, dest, &tempy, &tempu, &tempv, 8, 8); +} + +double compute_hbd_fastssim(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest, uint32_t in_bd, + uint32_t bd) { + double tempy, tempu, tempv; + return aom_calc_fastssim(source, dest, &tempy, &tempu, &tempv, bd, in_bd); +} + +double compute_fastssim(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest) { + double tempy, tempu, tempv; + return aom_calc_fastssim(source, dest, &tempy, &tempu, &tempv, 8, 8); +} + +double compute_hbd_aomssim(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest, uint32_t in_bd, + uint32_t bd) { + double ssim, weight; + ssim = aom_highbd_calc_ssim(source, dest, &weight, bd, in_bd); + return 100 * pow(ssim / weight, 8.0); +} + +double compute_aomssim(const YV12_BUFFER_CONFIG *source, + const YV12_BUFFER_CONFIG *dest) { + double ssim, weight; + ssim = aom_calc_ssim(source, dest, &weight); + return 100 * pow(ssim / weight, 8.0); +} + +class HBDMetricsTestBase { + public: + virtual ~HBDMetricsTestBase() {} + + protected: + void RunAccuracyCheck() { + const int width = 1920; + const int height = 1080; + size_t i = 0; + const uint8_t kPixFiller = 128; + YV12_BUFFER_CONFIG lbd_src, lbd_dst; + YV12_BUFFER_CONFIG hbd_src, hbd_dst; + ACMRandom rnd(ACMRandom::DeterministicSeed()); + double lbd_db, hbd_db; + + memset(&lbd_src, 0, sizeof(lbd_src)); + memset(&lbd_dst, 0, sizeof(lbd_dst)); + memset(&hbd_src, 0, sizeof(hbd_src)); + memset(&hbd_dst, 0, sizeof(hbd_dst)); + + aom_alloc_frame_buffer(&lbd_src, width, height, 1, 1, 0, 32, 16); + aom_alloc_frame_buffer(&lbd_dst, width, height, 1, 1, 0, 32, 16); + aom_alloc_frame_buffer(&hbd_src, width, height, 1, 1, 1, 32, 16); + aom_alloc_frame_buffer(&hbd_dst, width, height, 1, 1, 1, 32, 16); + + memset(lbd_src.buffer_alloc, kPixFiller, lbd_src.buffer_alloc_sz); + while (i < lbd_src.buffer_alloc_sz) { + uint16_t spel, dpel; + spel = lbd_src.buffer_alloc[i]; + // Create some distortion for dst buffer. + dpel = rnd.Rand8(); + lbd_dst.buffer_alloc[i] = (uint8_t)dpel; + ((uint16_t *)(hbd_src.buffer_alloc))[i] = spel << (bit_depth_ - 8); + ((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8); + i++; + } + + lbd_db = lbd_metric_(&lbd_src, &lbd_dst); + hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_); + EXPECT_LE(fabs(lbd_db - hbd_db), threshold_); + + i = 0; + while (i < lbd_src.buffer_alloc_sz) { + uint16_t dpel; + // Create some small distortion for dst buffer. + dpel = 120 + (rnd.Rand8() >> 4); + lbd_dst.buffer_alloc[i] = (uint8_t)dpel; + ((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8); + i++; + } + + lbd_db = lbd_metric_(&lbd_src, &lbd_dst); + hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_); + EXPECT_LE(fabs(lbd_db - hbd_db), threshold_); + + i = 0; + while (i < lbd_src.buffer_alloc_sz) { + uint16_t dpel; + // Create some small distortion for dst buffer. + dpel = 126 + (rnd.Rand8() >> 6); + lbd_dst.buffer_alloc[i] = (uint8_t)dpel; + ((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8); + i++; + } + + lbd_db = lbd_metric_(&lbd_src, &lbd_dst); + hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_); + EXPECT_LE(fabs(lbd_db - hbd_db), threshold_); + + aom_free_frame_buffer(&lbd_src); + aom_free_frame_buffer(&lbd_dst); + aom_free_frame_buffer(&hbd_src); + aom_free_frame_buffer(&hbd_dst); + } + + int input_bit_depth_; + int bit_depth_; + double threshold_; + LBDMetricFunc lbd_metric_; + HBDMetricFunc hbd_metric_; +}; + +typedef std::tr1::tuple<LBDMetricFunc, HBDMetricFunc, int, int, double> + MetricTestTParam; +class HBDMetricsTest : public HBDMetricsTestBase, + public ::testing::TestWithParam<MetricTestTParam> { + public: + virtual void SetUp() { + lbd_metric_ = GET_PARAM(0); + hbd_metric_ = GET_PARAM(1); + input_bit_depth_ = GET_PARAM(2); + bit_depth_ = GET_PARAM(3); + threshold_ = GET_PARAM(4); + } + virtual void TearDown() {} +}; + +TEST_P(HBDMetricsTest, RunAccuracyCheck) { RunAccuracyCheck(); } + +// Allow small variation due to floating point operations. +static const double kSsim_thresh = 0.001; +// Allow some additional errors accumulated in floating point operations. +static const double kFSsim_thresh = 0.03; +// Allow some extra variation due to rounding error accumulated in dct. +static const double kPhvs_thresh = 0.3; + +INSTANTIATE_TEST_CASE_P( + AOMSSIM, HBDMetricsTest, + ::testing::Values(MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim, + 8, 10, kSsim_thresh), + MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim, + 10, 10, kPhvs_thresh), + MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim, + 8, 12, kSsim_thresh), + MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim, + 12, 12, kPhvs_thresh))); +INSTANTIATE_TEST_CASE_P( + FASTSSIM, HBDMetricsTest, + ::testing::Values(MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim, + 8, 10, kFSsim_thresh), + MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim, + 10, 10, kFSsim_thresh), + MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim, + 8, 12, kFSsim_thresh), + MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim, + 12, 12, kFSsim_thresh))); +INSTANTIATE_TEST_CASE_P( + PSNRHVS, HBDMetricsTest, + ::testing::Values(MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs, + 8, 10, kPhvs_thresh), + MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs, + 10, 10, kPhvs_thresh), + MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs, + 8, 12, kPhvs_thresh), + MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs, + 12, 12, kPhvs_thresh))); +INSTANTIATE_TEST_CASE_P( + PSNR, HBDMetricsTest, + ::testing::Values( + MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 8, 10, kPhvs_thresh), + MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 10, 10, + kPhvs_thresh), + MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 8, 12, kPhvs_thresh), + MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 12, 12, + kPhvs_thresh))); +} // namespace |