252 строки
8.6 KiB
C++
252 строки
8.6 KiB
C++
/*
|
|
* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <new>
|
|
|
|
#include "third_party/googletest/src/include/gtest/gtest.h"
|
|
#include "test/acm_random.h"
|
|
#include "test/util.h"
|
|
#include "./vpx_config.h"
|
|
#include "vpx_dsp/psnr.h"
|
|
#include "vpx_dsp/ssim.h"
|
|
#include "vpx_ports/mem.h"
|
|
#include "vpx_ports/msvc.h"
|
|
#include "vpx_scale/yv12config.h"
|
|
|
|
|
|
using libvpx_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;
|
|
vpx_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;
|
|
vpx_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 vpx_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 vpx_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 vpx_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 vpx_calc_fastssim(source, dest,
|
|
&tempy, &tempu, &tempv, 8, 8);
|
|
}
|
|
|
|
double compute_hbd_vpxssim(const YV12_BUFFER_CONFIG *source,
|
|
const YV12_BUFFER_CONFIG *dest,
|
|
uint32_t in_bd, uint32_t bd) {
|
|
double ssim, weight;
|
|
ssim = vpx_highbd_calc_ssim(source, dest, &weight, bd, in_bd);
|
|
return 100 * pow(ssim / weight, 8.0);
|
|
}
|
|
|
|
double compute_vpxssim(const YV12_BUFFER_CONFIG *source,
|
|
const YV12_BUFFER_CONFIG *dest) {
|
|
double ssim, weight;
|
|
ssim = vpx_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;
|
|
int 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));
|
|
|
|
vpx_alloc_frame_buffer(&lbd_src, width, height, 1, 1, 0, 32, 16);
|
|
vpx_alloc_frame_buffer(&lbd_dst, width, height, 1, 1, 0, 32, 16);
|
|
vpx_alloc_frame_buffer(&hbd_src, width, height, 1, 1, 1, 32, 16);
|
|
vpx_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_);
|
|
|
|
vpx_free_frame_buffer(&lbd_src);
|
|
vpx_free_frame_buffer(&lbd_dst);
|
|
vpx_free_frame_buffer(&hbd_src);
|
|
vpx_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(
|
|
VPXSSIM, HBDMetricsTest,
|
|
::testing::Values(
|
|
MetricTestTParam(&compute_vpxssim, &compute_hbd_vpxssim, 8, 10,
|
|
kSsim_thresh),
|
|
MetricTestTParam(&compute_vpxssim, &compute_hbd_vpxssim, 10, 10,
|
|
kPhvs_thresh),
|
|
MetricTestTParam(&compute_vpxssim, &compute_hbd_vpxssim, 8, 12,
|
|
kSsim_thresh),
|
|
MetricTestTParam(&compute_vpxssim, &compute_hbd_vpxssim, 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
|
|
|