зеркало из https://github.com/mozilla/gecko-dev.git
240 строки
8.9 KiB
C++
240 строки
8.9 KiB
C++
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <math.h>
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#include <stdlib.h>
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#include <new>
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#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
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#include "test/acm_random.h"
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#include "test/util.h"
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#include "config/aom_config.h"
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#include "aom_dsp/psnr.h"
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#include "aom_dsp/ssim.h"
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#include "aom_ports/mem.h"
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#include "aom_ports/msvc.h"
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#include "aom_scale/yv12config.h"
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using libaom_test::ACMRandom;
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namespace {
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typedef double (*LBDMetricFunc)(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest);
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typedef double (*HBDMetricFunc)(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
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uint32_t bd);
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double compute_hbd_psnr(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
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uint32_t bd) {
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PSNR_STATS psnr;
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aom_calc_highbd_psnr(source, dest, &psnr, bd, in_bd);
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return psnr.psnr[0];
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}
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double compute_psnr(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest) {
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PSNR_STATS psnr;
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aom_calc_psnr(source, dest, &psnr);
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return psnr.psnr[0];
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}
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double compute_hbd_psnrhvs(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
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uint32_t bd) {
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double tempy, tempu, tempv;
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return aom_psnrhvs(source, dest, &tempy, &tempu, &tempv, bd, in_bd);
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}
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double compute_psnrhvs(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest) {
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double tempy, tempu, tempv;
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return aom_psnrhvs(source, dest, &tempy, &tempu, &tempv, 8, 8);
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}
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double compute_hbd_fastssim(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
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uint32_t bd) {
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double tempy, tempu, tempv;
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return aom_calc_fastssim(source, dest, &tempy, &tempu, &tempv, bd, in_bd);
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}
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double compute_fastssim(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest) {
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double tempy, tempu, tempv;
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return aom_calc_fastssim(source, dest, &tempy, &tempu, &tempv, 8, 8);
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}
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double compute_hbd_aomssim(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest, uint32_t in_bd,
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uint32_t bd) {
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double ssim, weight;
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ssim = aom_highbd_calc_ssim(source, dest, &weight, bd, in_bd);
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return 100 * pow(ssim / weight, 8.0);
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}
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double compute_aomssim(const YV12_BUFFER_CONFIG *source,
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const YV12_BUFFER_CONFIG *dest) {
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double ssim, weight;
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ssim = aom_calc_ssim(source, dest, &weight);
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return 100 * pow(ssim / weight, 8.0);
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}
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class HBDMetricsTestBase {
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public:
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virtual ~HBDMetricsTestBase() {}
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protected:
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void RunAccuracyCheck() {
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const int width = 1920;
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const int height = 1080;
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size_t i = 0;
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const uint8_t kPixFiller = 128;
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YV12_BUFFER_CONFIG lbd_src, lbd_dst;
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YV12_BUFFER_CONFIG hbd_src, hbd_dst;
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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double lbd_db, hbd_db;
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memset(&lbd_src, 0, sizeof(lbd_src));
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memset(&lbd_dst, 0, sizeof(lbd_dst));
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memset(&hbd_src, 0, sizeof(hbd_src));
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memset(&hbd_dst, 0, sizeof(hbd_dst));
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aom_alloc_frame_buffer(&lbd_src, width, height, 1, 1, 0, 32, 16);
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aom_alloc_frame_buffer(&lbd_dst, width, height, 1, 1, 0, 32, 16);
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aom_alloc_frame_buffer(&hbd_src, width, height, 1, 1, 1, 32, 16);
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aom_alloc_frame_buffer(&hbd_dst, width, height, 1, 1, 1, 32, 16);
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memset(lbd_src.buffer_alloc, kPixFiller, lbd_src.buffer_alloc_sz);
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while (i < lbd_src.buffer_alloc_sz) {
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uint16_t spel, dpel;
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spel = lbd_src.buffer_alloc[i];
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// Create some distortion for dst buffer.
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dpel = rnd.Rand8();
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lbd_dst.buffer_alloc[i] = (uint8_t)dpel;
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((uint16_t *)(hbd_src.buffer_alloc))[i] = spel << (bit_depth_ - 8);
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((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8);
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i++;
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}
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lbd_db = lbd_metric_(&lbd_src, &lbd_dst);
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hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_);
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EXPECT_LE(fabs(lbd_db - hbd_db), threshold_);
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i = 0;
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while (i < lbd_src.buffer_alloc_sz) {
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uint16_t dpel;
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// Create some small distortion for dst buffer.
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dpel = 120 + (rnd.Rand8() >> 4);
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lbd_dst.buffer_alloc[i] = (uint8_t)dpel;
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((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8);
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i++;
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}
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lbd_db = lbd_metric_(&lbd_src, &lbd_dst);
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hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_);
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EXPECT_LE(fabs(lbd_db - hbd_db), threshold_);
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i = 0;
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while (i < lbd_src.buffer_alloc_sz) {
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uint16_t dpel;
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// Create some small distortion for dst buffer.
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dpel = 126 + (rnd.Rand8() >> 6);
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lbd_dst.buffer_alloc[i] = (uint8_t)dpel;
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((uint16_t *)(hbd_dst.buffer_alloc))[i] = dpel << (bit_depth_ - 8);
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i++;
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}
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lbd_db = lbd_metric_(&lbd_src, &lbd_dst);
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hbd_db = hbd_metric_(&hbd_src, &hbd_dst, input_bit_depth_, bit_depth_);
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EXPECT_LE(fabs(lbd_db - hbd_db), threshold_);
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aom_free_frame_buffer(&lbd_src);
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aom_free_frame_buffer(&lbd_dst);
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aom_free_frame_buffer(&hbd_src);
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aom_free_frame_buffer(&hbd_dst);
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}
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int input_bit_depth_;
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int bit_depth_;
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double threshold_;
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LBDMetricFunc lbd_metric_;
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HBDMetricFunc hbd_metric_;
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};
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typedef ::testing::tuple<LBDMetricFunc, HBDMetricFunc, int, int, double>
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MetricTestTParam;
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class HBDMetricsTest : public HBDMetricsTestBase,
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public ::testing::TestWithParam<MetricTestTParam> {
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public:
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virtual void SetUp() {
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lbd_metric_ = GET_PARAM(0);
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hbd_metric_ = GET_PARAM(1);
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input_bit_depth_ = GET_PARAM(2);
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bit_depth_ = GET_PARAM(3);
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threshold_ = GET_PARAM(4);
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}
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virtual void TearDown() {}
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};
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TEST_P(HBDMetricsTest, RunAccuracyCheck) { RunAccuracyCheck(); }
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// Allow small variation due to floating point operations.
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static const double kSsim_thresh = 0.001;
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// Allow some additional errors accumulated in floating point operations.
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static const double kFSsim_thresh = 0.03;
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// Allow some extra variation due to rounding error accumulated in dct.
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static const double kPhvs_thresh = 0.3;
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INSTANTIATE_TEST_CASE_P(
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AOMSSIM, HBDMetricsTest,
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::testing::Values(MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
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8, 10, kSsim_thresh),
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MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
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10, 10, kPhvs_thresh),
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MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
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8, 12, kSsim_thresh),
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MetricTestTParam(&compute_aomssim, &compute_hbd_aomssim,
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12, 12, kPhvs_thresh)));
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INSTANTIATE_TEST_CASE_P(
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FASTSSIM, HBDMetricsTest,
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::testing::Values(MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
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8, 10, kFSsim_thresh),
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MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
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10, 10, kFSsim_thresh),
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MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
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8, 12, kFSsim_thresh),
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MetricTestTParam(&compute_fastssim, &compute_hbd_fastssim,
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12, 12, kFSsim_thresh)));
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INSTANTIATE_TEST_CASE_P(
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PSNRHVS, HBDMetricsTest,
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::testing::Values(MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
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8, 10, kPhvs_thresh),
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MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
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10, 10, kPhvs_thresh),
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MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
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8, 12, kPhvs_thresh),
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MetricTestTParam(&compute_psnrhvs, &compute_hbd_psnrhvs,
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12, 12, kPhvs_thresh)));
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INSTANTIATE_TEST_CASE_P(
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PSNR, HBDMetricsTest,
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::testing::Values(
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MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 8, 10, kPhvs_thresh),
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MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 10, 10,
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kPhvs_thresh),
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MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 8, 12, kPhvs_thresh),
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MetricTestTParam(&compute_psnr, &compute_hbd_psnr, 12, 12,
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kPhvs_thresh)));
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} // namespace
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