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/*
* Copyright (c) 2019, 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 <ostream>
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/util.h"
namespace {
static const struct GFPyrHeightTestParam {
int gf_min_pyr_height;
int gf_max_pyr_height;
double psnr_thresh;
} kTestParams[] = {
// gf_min_pyr_height = 0
{ 0, 0, 32.30 },
{ 0, 1, 33.90 },
{ 0, 2, 34.00 },
{ 0, 3, 34.20 },
{ 0, 4, 34.30 },
{ 0, 5, 34.35 },
// gf_min_pyr_height = 1
{ 1, 1, 33.90 },
{ 1, 2, 34.00 },
{ 1, 3, 34.20 },
{ 1, 4, 34.30 },
{ 1, 5, 34.35 },
// gf_min_pyr_height = 2
{ 2, 2, 34.00 },
{ 2, 3, 34.20 },
{ 2, 4, 34.30 },
{ 2, 5, 34.35 },
// gf_min_pyr_height = 3
{ 3, 3, 34.20 },
{ 3, 4, 34.30 },
{ 3, 5, 34.35 },
// gf_min_pyr_height = 4
{ 4, 4, 34.30 },
{ 4, 5, 34.35 },
// gf_min_pyr_height = 5
{ 5, 5, 34.35 },
};
// Compiler may decide to add some padding to the struct above for alignment,
// which the gtest may try to print (on error for example). This would cause
// valgrind to complain that the padding is uninitialized. To avoid that, we
// provide our own function to print the struct.
// This also makes '--gtest_list_tests' output more understandable.
std::ostream &operator<<(std::ostream &os, const GFPyrHeightTestParam &p) {
os << "GFPyrHeightTestParam { "
<< "gf_min_pyr_height = " << p.gf_min_pyr_height << ", "
<< "gf_max_pyr_height = " << p.gf_max_pyr_height << ", "
<< "psnr_thresh = " << p.psnr_thresh << " }";
return os;
}
// Params: encoding mode, rate control mode and GFPyrHeightTestParam object.
class GFPyrHeightTest
: public ::libaom_test::CodecTestWith3Params<
libaom_test::TestMode, aom_rc_mode, GFPyrHeightTestParam>,
public ::libaom_test::EncoderTest {
protected:
GFPyrHeightTest()
: EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
rc_mode_(GET_PARAM(2)) {
gf_min_pyr_height_ = GET_PARAM(3).gf_min_pyr_height;
gf_max_pyr_height_ = GET_PARAM(3).gf_max_pyr_height;
psnr_threshold_ = GET_PARAM(3).psnr_thresh;
}
~GFPyrHeightTest() override = default;
void SetUp() override {
InitializeConfig(encoding_mode_);
const aom_rational timebase = { 1, 30 };
cfg_.g_timebase = timebase;
cpu_used_ = 4;
cfg_.rc_end_usage = rc_mode_;
if (rc_mode_ == AOM_VBR) {
cfg_.rc_target_bitrate = 200;
}
cfg_.g_lag_in_frames = 19;
cfg_.g_threads = 0;
init_flags_ = AOM_CODEC_USE_PSNR;
}
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_);
if (rc_mode_ == AOM_Q) {
encoder->Control(AOME_SET_CQ_LEVEL, 32);
}
if (encoding_mode_ != ::libaom_test::kRealTime) {
encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
}
encoder->Control(AV1E_SET_GF_MIN_PYRAMID_HEIGHT, gf_min_pyr_height_);
encoder->Control(AV1E_SET_GF_MAX_PYRAMID_HEIGHT, gf_max_pyr_height_);
}
}
double GetAveragePsnr() const {
if (nframes_) return psnr_ / nframes_;
return 0.0;
}
double GetPsnrThreshold() { return psnr_threshold_; }
::libaom_test::TestMode encoding_mode_;
aom_rc_mode rc_mode_;
double psnr_threshold_;
int gf_min_pyr_height_;
int gf_max_pyr_height_;
int cpu_used_;
int nframes_;
double psnr_;
};
TEST_P(GFPyrHeightTest, EncodeAndVerifyPSNR) {
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 32);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
EXPECT_GT(GetAveragePsnr(), GetPsnrThreshold())
<< "GF Min Pyramid Height = " << gf_min_pyr_height_ << ", "
<< "GF Max Pyramid Height = " << gf_max_pyr_height_;
}
AV1_INSTANTIATE_TEST_SUITE(GFPyrHeightTest, NONREALTIME_TEST_MODES,
::testing::Values(AOM_Q, AOM_VBR),
::testing::ValuesIn(kTestParams));
} // namespace
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