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/*
* Copyright (c) 2022, 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 <memory>
#include <string>
#include <utility>
#include <vector>
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/md5_helper.h"
#include "test/util.h"
#include "test/yuv_video_source.h"
namespace {
class PostprocFiltersTest
: public ::libaom_test::CodecTestWith2Params<int, unsigned int>,
public ::libaom_test::EncoderTest {
protected:
PostprocFiltersTest()
: EncoderTest(GET_PARAM(0)), set_skip_postproc_filtering_(false),
frame_number_(0), cpu_used_(GET_PARAM(1)), bd_(GET_PARAM(2)) {}
void SetUp() override {
InitializeConfig(::libaom_test::kAllIntra);
cfg_.g_input_bit_depth = bd_;
}
void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) override {
frame_number_ = video->frame();
if (frame_number_ == 0) {
encoder->Control(AOME_SET_CPUUSED, cpu_used_);
encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel);
}
if (set_skip_postproc_filtering_) {
if (frame_number_ == 0) {
encoder->Control(AV1E_SET_SKIP_POSTPROC_FILTERING, 1);
} else if (frame_number_ == 10) {
encoder->Control(AV1E_SET_SKIP_POSTPROC_FILTERING, 0);
} else if (frame_number_ == 20) {
encoder->Control(AV1E_SET_SKIP_POSTPROC_FILTERING, 1);
}
}
}
void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
::libaom_test::MD5 md5_enc;
md5_enc.Add(reinterpret_cast<uint8_t *>(pkt->data.frame.buf),
pkt->data.frame.sz);
md5_enc_.push_back(md5_enc.Get());
}
void PostEncodeFrameHook(::libaom_test::Encoder *encoder) override {
const aom_image_t *img_enc = encoder->GetPreviewFrame();
if (!set_skip_postproc_filtering_) {
ASSERT_NE(img_enc, nullptr);
} else {
// Null will be returned if we query the reconstructed frame when
// AV1E_SET_SKIP_POSTPROC_FILTERING is set to 1.
if (frame_number_ < 10) {
ASSERT_EQ(img_enc, nullptr);
} else if (frame_number_ < 20) {
// Reconstructed frame cannot be null when
// AV1E_SET_SKIP_POSTPROC_FILTERING is set to 0.
ASSERT_NE(img_enc, nullptr);
} else {
ASSERT_EQ(img_enc, nullptr);
}
}
}
// The encoder config flag 'AV1E_SET_SKIP_POSTPROC_FILTERING' can be used to
// skip the application of post-processing filters on reconstructed frame for
// ALLINTRA encode. This unit-test validates the bit exactness of 2 encoded
// streams with 'AV1E_SET_SKIP_POSTPROC_FILTERING':
// 1. disabled for all frames (default case)
// 2. enabled and disabled at different frame indices using control calls.
void DoTest() {
std::unique_ptr<libaom_test::VideoSource> video(
new libaom_test::YUVVideoSource("niklas_640_480_30.yuv",
AOM_IMG_FMT_I420, 640, 480, 30, 1, 0,
kFrames));
ASSERT_NE(video, nullptr);
// First encode: 'AV1E_SET_SKIP_POSTPROC_FILTERING' disabled for all frames
// (default case).
set_skip_postproc_filtering_ = false;
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
std::vector<std::string> apply_postproc_filters_md5_enc =
std::move(md5_enc_);
md5_enc_.clear();
// Second encode: 'AV1E_SET_SKIP_POSTPROC_FILTERING' enabled and disabled at
// different frame intervals.
set_skip_postproc_filtering_ = true;
ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
std::vector<std::string> toggle_apply_postproc_filters_md5_enc =
std::move(md5_enc_);
md5_enc_.clear();
// Check for bit match.
ASSERT_EQ(apply_postproc_filters_md5_enc,
toggle_apply_postproc_filters_md5_enc);
}
bool set_skip_postproc_filtering_;
unsigned int frame_number_;
std::vector<std::string> md5_enc_;
private:
static constexpr int kFrames = 30;
static constexpr unsigned int kCqLevel = 18;
int cpu_used_;
unsigned int bd_;
};
class PostprocFiltersTestLarge : public PostprocFiltersTest {};
TEST_P(PostprocFiltersTest, MD5Match) { DoTest(); }
TEST_P(PostprocFiltersTestLarge, MD5Match) { DoTest(); }
AV1_INSTANTIATE_TEST_SUITE(PostprocFiltersTest, ::testing::Values(9),
::testing::Values(8, 10));
// Test cpu_used 3 and 6.
AV1_INSTANTIATE_TEST_SUITE(PostprocFiltersTestLarge, ::testing::Values(3, 6),
::testing::Values(8, 10));
} // namespace
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