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/*
* Copyright (c) 2020, 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 "aom/aom_codec.h"
#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 unsigned int min_kf_dist;
const unsigned int max_kf_dist;
} kfIntervalParam;
const kfIntervalParam kfTestParams[] = {
{ 1, 1 }, { 0, 10 }, { 10, 10 }, { 0, 30 }, { 30, 30 }
};
std::ostream &operator<<(std::ostream &os, const kfIntervalParam &test_arg) {
return os << "kfIntervalParam { min_kf_dist:" << test_arg.min_kf_dist
<< " max_kf_dist:" << test_arg.max_kf_dist << " }";
}
// This class is used to test the presence of forward key frame.
class KeyFrameIntervalTestLarge
: public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode,
kfIntervalParam, aom_rc_mode>,
public ::libaom_test::EncoderTest {
protected:
KeyFrameIntervalTestLarge()
: EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
kf_dist_param_(GET_PARAM(2)), end_usage_check_(GET_PARAM(3)) {
kf_dist_ = -1;
is_kf_interval_violated_ = false;
}
virtual ~KeyFrameIntervalTestLarge() {}
virtual void SetUp() {
InitializeConfig();
SetMode(encoding_mode_);
const aom_rational timebase = { 1, 30 };
cfg_.g_timebase = timebase;
cfg_.rc_end_usage = end_usage_check_;
cfg_.g_threads = 1;
cfg_.kf_min_dist = kf_dist_param_.min_kf_dist;
cfg_.kf_max_dist = kf_dist_param_.max_kf_dist;
cfg_.g_lag_in_frames = 19;
}
virtual bool DoDecode() const { return 1; }
virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(AOME_SET_CPUUSED, 5);
encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
}
}
virtual bool HandleDecodeResult(const aom_codec_err_t res_dec,
libaom_test::Decoder *decoder) {
EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
if (AOM_CODEC_OK == res_dec) {
aom_codec_ctx_t *ctx_dec = decoder->GetDecoder();
int frame_flags = 0;
AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_FRAME_FLAGS,
&frame_flags);
if (kf_dist_ != -1) {
kf_dist_++;
if (kf_dist_ > (int)kf_dist_param_.max_kf_dist) {
is_kf_interval_violated_ = true;
}
}
if ((frame_flags & AOM_FRAME_IS_KEY) ==
static_cast<aom_codec_frame_flags_t>(AOM_FRAME_IS_KEY)) {
if (kf_dist_ != -1 && kf_dist_ < (int)kf_dist_param_.min_kf_dist) {
is_kf_interval_violated_ = true;
}
kf_dist_ = 0;
}
}
return AOM_CODEC_OK == res_dec;
}
::libaom_test::TestMode encoding_mode_;
const kfIntervalParam kf_dist_param_;
int kf_dist_;
bool is_kf_interval_violated_;
aom_rc_mode end_usage_check_;
};
TEST_P(KeyFrameIntervalTestLarge, KeyFrameIntervalTest) {
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
cfg_.g_timebase.den, cfg_.g_timebase.num,
0, 75);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_EQ(is_kf_interval_violated_, false) << kf_dist_param_;
}
// This class tests for presence and placement of application forced key frames.
class ForcedKeyTestLarge
: public ::libaom_test::CodecTestWith5Params<libaom_test::TestMode, int,
int, int, aom_rc_mode>,
public ::libaom_test::EncoderTest {
protected:
ForcedKeyTestLarge()
: EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
auto_alt_ref_(GET_PARAM(2)), fwd_kf_enabled_(GET_PARAM(3)),
cpu_used_(GET_PARAM(4)), rc_end_usage_(GET_PARAM(5)) {
forced_kf_frame_num_ = 1;
frame_num_ = 0;
is_kf_placement_violated_ = false;
}
virtual ~ForcedKeyTestLarge() {}
virtual void SetUp() {
InitializeConfig();
SetMode(encoding_mode_);
cfg_.rc_end_usage = rc_end_usage_;
cfg_.g_threads = 0;
cfg_.kf_max_dist = 30;
cfg_.kf_min_dist = 0;
cfg_.fwd_kf_enabled = fwd_kf_enabled_;
}
virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(AOME_SET_CPUUSED, cpu_used_);
encoder->Control(AOME_SET_ENABLEAUTOALTREF, auto_alt_ref_);
#if CONFIG_AV1_ENCODER
// override test default for tile columns if necessary.
if (GET_PARAM(0) == &libaom_test::kAV1) {
encoder->Control(AV1E_SET_TILE_COLUMNS, 6);
}
#endif
}
frame_flags_ =
((int)video->frame() == forced_kf_frame_num_) ? AOM_EFLAG_FORCE_KF : 0;
}
virtual bool HandleDecodeResult(const aom_codec_err_t res_dec,
libaom_test::Decoder *decoder) {
EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
if (AOM_CODEC_OK == res_dec) {
if ((int)frame_num_ == forced_kf_frame_num_) {
aom_codec_ctx_t *ctx_dec = decoder->GetDecoder();
int frame_flags = 0;
AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_FRAME_FLAGS,
&frame_flags);
if ((frame_flags & AOM_FRAME_IS_KEY) !=
static_cast<aom_codec_frame_flags_t>(AOM_FRAME_IS_KEY)) {
is_kf_placement_violated_ = true;
}
}
++frame_num_;
}
return AOM_CODEC_OK == res_dec;
}
::libaom_test::TestMode encoding_mode_;
int auto_alt_ref_;
int fwd_kf_enabled_;
int cpu_used_;
aom_rc_mode rc_end_usage_;
int forced_kf_frame_num_;
unsigned int frame_num_;
bool is_kf_placement_violated_;
};
// TODO(crbug.com/aomedia/2810): Fix and re-enable the test.
TEST_P(ForcedKeyTestLarge, DISABLED_Frame1IsKey) {
const aom_rational timebase = { 1, 30 };
const int lag_values[] = { 3, 15, 25, -1 };
forced_kf_frame_num_ = 1;
for (int i = 0; lag_values[i] != -1; ++i) {
frame_num_ = 0;
cfg_.g_lag_in_frames = lag_values[i];
is_kf_placement_violated_ = false;
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0,
fwd_kf_enabled_ ? 60 : 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_EQ(is_kf_placement_violated_, false)
<< "Frame #" << frame_num_ << " isn't a keyframe!";
}
}
// This class checks the presence and placement of application
// forced key frames.
// TODO(crbug.com/aomedia/2808): Fix and re-enable the test.
TEST_P(ForcedKeyTestLarge, DISABLED_ForcedFrameIsKey) {
const aom_rational timebase = { 1, 30 };
const int lag_values[] = { 3, 15, 25, -1 };
for (int i = 0; lag_values[i] != -1; ++i) {
frame_num_ = 0;
forced_kf_frame_num_ = lag_values[i] - 1;
cfg_.g_lag_in_frames = lag_values[i];
is_kf_placement_violated_ = false;
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0,
fwd_kf_enabled_ ? 60 : 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_EQ(is_kf_placement_violated_, false)
<< "Frame #" << frame_num_ << " isn't a keyframe!";
// Two pass and single pass CBR are currently segfaulting for the case when
// forced kf is placed after lag in frames.
// TODO(anyone): Enable(uncomment) below test once above bug is fixed.
// frame_num_ = 0;
// forced_kf_frame_num_ = lag_values[i] + 1;
// cfg_.g_lag_in_frames = lag_values[i];
// is_kf_placement_violated_ = false;
// ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// ASSERT_EQ(is_kf_placement_violated_, false)
// << "Frame #" << frame_num_ << " isn't a keyframe!";
}
}
// TODO(crbug.com/aomedia/2809): Fix and re-enable the test.
TEST_P(ForcedKeyTestLarge, DISABLED_ForcedFrameIsKeyCornerCases) {
const aom_rational timebase = { 1, 30 };
const int kf_offsets[] = { -2, -1, 1, 2, 0 };
cfg_.g_lag_in_frames = 35;
for (int i = 0; kf_offsets[i] != 0; ++i) {
frame_num_ = 0;
forced_kf_frame_num_ = (int)cfg_.kf_max_dist + kf_offsets[i];
forced_kf_frame_num_ = forced_kf_frame_num_ > 0 ? forced_kf_frame_num_ : 1;
is_kf_placement_violated_ = false;
libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0,
fwd_kf_enabled_ ? 60 : 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
ASSERT_EQ(is_kf_placement_violated_, false)
<< "Frame #" << frame_num_ << " isn't a keyframe!";
}
}
AV1_INSTANTIATE_TEST_SUITE(KeyFrameIntervalTestLarge,
testing::Values(::libaom_test::kOnePassGood,
::libaom_test::kTwoPassGood),
::testing::ValuesIn(kfTestParams),
::testing::Values(AOM_Q, AOM_VBR, AOM_CBR, AOM_CQ));
// TODO(anyone): Add CBR to list of rc_modes once forced kf placement after
// lag in frames bug is fixed.
AV1_INSTANTIATE_TEST_SUITE(ForcedKeyTestLarge,
::testing::Values(::libaom_test::kOnePassGood,
::libaom_test::kTwoPassGood),
::testing::Values(0, 1), ::testing::Values(0, 1),
::testing::Values(2, 5),
::testing::Values(AOM_Q, AOM_VBR, AOM_CQ));
} // namespace