1 /*
2 * Copyright (c) 2021, Alliance for Open Media. All rights reserved.
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <unordered_map>
13
14 #include "gtest/gtest.h"
15
16 #include "test/codec_factory.h"
17 #include "test/encode_test_driver.h"
18 #include "test/util.h"
19 #include "test/y4m_video_source.h"
20
21 namespace {
22 const unsigned int kFrames = 10;
23 const int kBitrate = 500;
24 const unsigned int kCqLevel = 18;
25
26 // List of psnr thresholds for different test combinations
27 // keys: test-mode, cpu-used, sharpness.
28 const std::unordered_map<
29 int, std::unordered_map<int, std::unordered_map<int, double>>>
30 kPsnrThreshold = { { static_cast<int>(::libaom_test::kTwoPassGood),
31 { { 2, { { 2, 37.6 }, { 5, 37.6 } } },
32 { 4, { { 2, 37.5 }, { 5, 37.5 } } },
33 { 6, { { 2, 37.3 }, { 5, 37.3 } } } } },
34 { static_cast<int>(::libaom_test::kAllIntra),
35 { { 3, { { 2, 42.2 }, { 5, 42.2 } } },
36 { 6, { { 2, 41.8 }, { 4, 41.9 }, { 5, 41.9 } } },
37 { 9, { { 2, 41.0 }, { 5, 41.0 } } } } } };
38
39 // This class is used to test sharpness parameter configured through control
40 // call using AOME_SET_SHARPNESS for different encoder configurations.
41 class SharpnessTest
42 : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, int,
43 int>,
44 public ::libaom_test::EncoderTest {
45 protected:
SharpnessTest()46 SharpnessTest()
47 : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
48 cpu_used_(GET_PARAM(2)), sharpness_level_(GET_PARAM(3)), psnr_(0.0),
49 nframes_(0) {}
50
51 ~SharpnessTest() override = default;
52
SetUp()53 void SetUp() override {
54 InitializeConfig(encoding_mode_);
55 if (encoding_mode_ == ::libaom_test::kTwoPassGood) {
56 cfg_.rc_target_bitrate = kBitrate;
57 cfg_.g_lag_in_frames = 5;
58 }
59 }
60
BeginPassHook(unsigned int)61 void BeginPassHook(unsigned int) override {
62 psnr_ = 0.0;
63 nframes_ = 0;
64 }
65
PSNRPktHook(const aom_codec_cx_pkt_t * pkt)66 void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
67 psnr_ += pkt->data.psnr.psnr[0];
68 nframes_++;
69 }
70
PreEncodeFrameHook(::libaom_test::VideoSource * video,::libaom_test::Encoder * encoder)71 void PreEncodeFrameHook(::libaom_test::VideoSource *video,
72 ::libaom_test::Encoder *encoder) override {
73 if (video->frame() == 0) {
74 encoder->Control(AOME_SET_CPUUSED, cpu_used_);
75 encoder->Control(AOME_SET_SHARPNESS, sharpness_level_);
76 if (encoding_mode_ == ::libaom_test::kTwoPassGood) {
77 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
78 encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
79 encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
80 } else if (encoding_mode_ == ::libaom_test::kAllIntra) {
81 encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel);
82 }
83 }
84 }
85
GetAveragePsnr() const86 double GetAveragePsnr() const {
87 if (nframes_) return psnr_ / nframes_;
88 return 0.0;
89 }
90
GetPsnrThreshold()91 double GetPsnrThreshold() {
92 return kPsnrThreshold.at(encoding_mode_).at(cpu_used_).at(sharpness_level_);
93 }
94
DoTest()95 void DoTest() {
96 init_flags_ = AOM_CODEC_USE_PSNR;
97
98 std::unique_ptr<libaom_test::VideoSource> video(
99 new libaom_test::Y4mVideoSource("paris_352_288_30.y4m", 0, kFrames));
100 ASSERT_NE(video, nullptr);
101
102 ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
103 const double psnr = GetAveragePsnr();
104 EXPECT_GT(psnr, GetPsnrThreshold())
105 << "encoding mode = " << encoding_mode_ << ", cpu used = " << cpu_used_
106 << ", sharpness level = " << sharpness_level_;
107 }
108
109 private:
110 const libaom_test::TestMode encoding_mode_;
111 const int cpu_used_;
112 const int sharpness_level_;
113 double psnr_;
114 unsigned int nframes_;
115 };
116
117 class SharpnessTestLarge : public SharpnessTest {};
118
119 class SharpnessAllIntraTest : public SharpnessTest {};
120
121 class SharpnessAllIntraTestLarge : public SharpnessTest {};
122
TEST_P(SharpnessTestLarge,SharpnessPSNRTest)123 TEST_P(SharpnessTestLarge, SharpnessPSNRTest) { DoTest(); }
124
TEST_P(SharpnessAllIntraTest,SharpnessPSNRTest)125 TEST_P(SharpnessAllIntraTest, SharpnessPSNRTest) { DoTest(); }
126
TEST_P(SharpnessAllIntraTestLarge,SharpnessPSNRTest)127 TEST_P(SharpnessAllIntraTestLarge, SharpnessPSNRTest) { DoTest(); }
128
129 AV1_INSTANTIATE_TEST_SUITE(SharpnessTestLarge,
130 ::testing::Values(::libaom_test::kTwoPassGood),
131 ::testing::Values(2, 4, 6), // cpu_used
132 ::testing::Values(2, 5)); // sharpness level
133
134 AV1_INSTANTIATE_TEST_SUITE(SharpnessAllIntraTest,
135 ::testing::Values(::libaom_test::kAllIntra),
136 ::testing::Values(6), // cpu_used
137 ::testing::Values(4)); // sharpness level
138
139 AV1_INSTANTIATE_TEST_SUITE(SharpnessAllIntraTestLarge,
140 ::testing::Values(::libaom_test::kAllIntra),
141 ::testing::Values(3, 6, 9), // cpu_used
142 ::testing::Values(2, 5)); // sharpness level
143 } // namespace
144