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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 "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 {
typedef struct {
const int max_kf_dist;
const double psnr_thresh;
} FwdKfTestParam;
const FwdKfTestParam kTestParams[] = {
{ 4, 37.3 }, { 6, 36.5 }, { 8, 35.8 },
{ 12, 34.3 }, { 16, 34.3 }, { 18, 33.7 }
};
// Params: encoding mode and index into the kMaxKfDists array to control
// kf-max-dist
class ForwardKeyTest
: public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
public ::libaom_test::EncoderTest {
protected:
ForwardKeyTest()
: EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
kf_max_dist_ind_(GET_PARAM(2)) {}
virtual ~ForwardKeyTest() {}
virtual void SetUp() {
InitializeConfig();
SetMode(encoding_mode_);
const aom_rational timebase = { 1, 30 };
cfg_.g_timebase = timebase;
cpu_used_ = 2;
kf_max_dist_ = kTestParams[kf_max_dist_ind_].max_kf_dist;
psnr_threshold_ = kTestParams[kf_max_dist_ind_].psnr_thresh;
cfg_.rc_end_usage = AOM_VBR;
cfg_.rc_target_bitrate = 200;
cfg_.g_lag_in_frames = 10;
cfg_.fwd_kf_enabled = 1;
cfg_.kf_max_dist = kf_max_dist_;
cfg_.g_threads = 0;
init_flags_ = AOM_CODEC_USE_PSNR;
}
virtual void BeginPassHook(unsigned int) {
psnr_ = 0.0;
nframes_ = 0;
}
virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
psnr_ += pkt->data.psnr.psnr[0];
nframes_++;
}
virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(AOME_SET_CPUUSED, cpu_used_);
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);
}
}
}
double GetAveragePsnr() const {
if (nframes_) return psnr_ / nframes_;
return 0.0;
}
double GetPsnrThreshold() { return psnr_threshold_; }
::libaom_test::TestMode encoding_mode_;
const int kf_max_dist_ind_;
double psnr_threshold_;
int kf_max_dist_;
int cpu_used_;
int nframes_;
double psnr_;
};
TEST_P(ForwardKeyTest, ForwardKeyEncodeTest) {
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 20);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// TODO(sarahparker) Add functionality to assert the minimum number of
// keyframes were placed.
EXPECT_GT(GetAveragePsnr(), GetPsnrThreshold())
<< "kf max dist = " << kf_max_dist_;
}
AV1_INSTANTIATE_TEST_CASE(
ForwardKeyTest, ::testing::Values(::libaom_test::kTwoPassGood),
::testing::Range(0, static_cast<int>(GTEST_ARRAY_SIZE_(kTestParams))));
} // namespace