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/*
* 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 <unordered_map>
#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 int kBitrate = 500;
const unsigned int kCqLevel = 18;
// List of psnr thresholds for different test combinations
// keys: test-mode, cpu-used, sharpness.
const std::unordered_map<
int, std::unordered_map<int, std::unordered_map<int, double>>>
kPsnrThreshold = { { static_cast<int>(::libaom_test::kTwoPassGood),
{ { 2, { { 2, 37.6 }, { 5, 37.6 } } },
{ 4, { { 2, 37.5 }, { 5, 37.5 } } },
{ 6, { { 2, 37.3 }, { 5, 37.3 } } } } },
{ static_cast<int>(::libaom_test::kAllIntra),
{ { 3, { { 2, 42.2 }, { 5, 42.2 } } },
{ 6, { { 2, 41.8 }, { 4, 41.9 }, { 5, 41.9 } } },
{ 9, { { 2, 40.9 }, { 5, 40.9 } } } } } };
// This class is used to test sharpness parameter configured through control
// call using AOME_SET_SHARPNESS for different encoder configurations.
class SharpnessTest
: public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, int,
int>,
public ::libaom_test::EncoderTest {
protected:
SharpnessTest()
: EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
cpu_used_(GET_PARAM(2)), sharpness_level_(GET_PARAM(3)), psnr_(0.0),
nframes_(0) {}
~SharpnessTest() override = default;
void SetUp() override {
InitializeConfig(encoding_mode_);
if (encoding_mode_ == ::libaom_test::kTwoPassGood) {
cfg_.rc_target_bitrate = kBitrate;
cfg_.g_lag_in_frames = 5;
}
}
void BeginPassHook(unsigned int) override {
psnr_ = 0.0;
nframes_ = 0;
}
void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
psnr_ += pkt->data.psnr.psnr[0];
nframes_++;
}
void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) override {
if (video->frame() == 0) {
encoder->Control(AOME_SET_CPUUSED, cpu_used_);
encoder->Control(AOME_SET_SHARPNESS, sharpness_level_);
if (encoding_mode_ == ::libaom_test::kTwoPassGood) {
encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
} else if (encoding_mode_ == ::libaom_test::kAllIntra) {
encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel);
}
}
}
double GetAveragePsnr() const {
if (nframes_) return psnr_ / nframes_;
return 0.0;
}
double GetPsnrThreshold() {
return kPsnrThreshold.at(encoding_mode_).at(cpu_used_).at(sharpness_level_);
}
void DoTest() {
init_flags_ = AOM_CODEC_USE_PSNR;
std::unique_ptr<libaom_test::VideoSource> video(
new libaom_test::Y4mVideoSource("paris_352_288_30.y4m", 0, kFrames));
ASSERT_NE(video, nullptr);
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
const double psnr = GetAveragePsnr();
EXPECT_GT(psnr, GetPsnrThreshold())
<< "encoding mode = " << encoding_mode_ << ", cpu used = " << cpu_used_
<< ", sharpness level = " << sharpness_level_;
}
private:
const libaom_test::TestMode encoding_mode_;
const int cpu_used_;
const int sharpness_level_;
double psnr_;
unsigned int nframes_;
};
class SharpnessTestLarge : public SharpnessTest {};
class SharpnessAllIntraTest : public SharpnessTest {};
class SharpnessAllIntraTestLarge : public SharpnessTest {};
TEST_P(SharpnessTestLarge, SharpnessPSNRTest) { DoTest(); }
TEST_P(SharpnessAllIntraTest, SharpnessPSNRTest) { DoTest(); }
TEST_P(SharpnessAllIntraTestLarge, SharpnessPSNRTest) { DoTest(); }
AV1_INSTANTIATE_TEST_SUITE(SharpnessTestLarge,
::testing::Values(::libaom_test::kTwoPassGood),
::testing::Values(2, 4, 6), // cpu_used
::testing::Values(2, 5)); // sharpness level
AV1_INSTANTIATE_TEST_SUITE(SharpnessAllIntraTest,
::testing::Values(::libaom_test::kAllIntra),
::testing::Values(6), // cpu_used
::testing::Values(4)); // sharpness level
AV1_INSTANTIATE_TEST_SUITE(SharpnessAllIntraTestLarge,
::testing::Values(::libaom_test::kAllIntra),
::testing::Values(3, 6, 9), // cpu_used
::testing::Values(2, 5)); // sharpness level
} // namespace