xref: /aosp_15_r20/external/libaom/test/sharpness_test.cc (revision 77c1e3ccc04c968bd2bc212e87364f250e820521)
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