1 /*
2 * Copyright (c) 2022, 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 <initializer_list>
13 #include <memory>
14 #include <string>
15 #include <vector>
16
17 #include "gtest/gtest.h"
18 #include "test/codec_factory.h"
19 #include "test/encode_test_driver.h"
20 #include "test/md5_helper.h"
21 #include "test/util.h"
22 #include "test/yuv_video_source.h"
23
24 namespace {
25
26 // Parameters: cpu-used, row-mt.
27 class AV1SBQPSweepTest : public ::libaom_test::CodecTestWith2Params<int, bool>,
28 public ::libaom_test::EncoderTest {
29 protected:
AV1SBQPSweepTest()30 AV1SBQPSweepTest()
31 : EncoderTest(GET_PARAM(0)), set_cpu_used_(GET_PARAM(1)),
32 row_mt_(GET_PARAM(2)) {
33 init_flags_ = AOM_CODEC_USE_PSNR;
34 aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
35 cfg.w = 1280;
36 cfg.h = 720;
37 cfg.allow_lowbitdepth = 1;
38 decoder_ =
39 std::unique_ptr<::libaom_test::Decoder>(codec_->CreateDecoder(cfg, 0));
40 }
41 ~AV1SBQPSweepTest() override = default;
42
SetUp()43 void SetUp() override {
44 InitializeConfig(::libaom_test::kTwoPassGood);
45
46 ASSERT_NE(decoder_, nullptr);
47 if (decoder_->IsAV1()) {
48 decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
49 decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
50 }
51
52 cfg_.g_lag_in_frames = 5;
53 cfg_.rc_end_usage = AOM_Q;
54 }
55
PreEncodeFrameHook(::libaom_test::VideoSource * video,::libaom_test::Encoder * encoder)56 void PreEncodeFrameHook(::libaom_test::VideoSource *video,
57 ::libaom_test::Encoder *encoder) override {
58 if (video->frame() == 0) {
59 SetTileSize(encoder);
60 encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
61 encoder->Control(AV1E_ENABLE_SB_QP_SWEEP, use_sb_sweep_);
62 encoder->Control(AV1E_SET_ROW_MT, row_mt_);
63
64 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
65 encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
66 encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
67 }
68 }
69
SetTileSize(libaom_test::Encoder * encoder)70 virtual void SetTileSize(libaom_test::Encoder *encoder) {
71 encoder->Control(AV1E_SET_TILE_COLUMNS, 1);
72 encoder->Control(AV1E_SET_TILE_ROWS, 1);
73 }
74
BeginPassHook(unsigned int)75 void BeginPassHook(unsigned int) override {
76 psnr_ = 0.0;
77 nframes_ = 0;
78 }
79
PSNRPktHook(const aom_codec_cx_pkt_t * pkt)80 void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
81 psnr_ += pkt->data.psnr.psnr[0];
82 nframes_++;
83 }
84
GetAveragePsnr() const85 double GetAveragePsnr() const {
86 if (nframes_) return psnr_ / nframes_;
87 return 0.0;
88 }
89
GetAverageFrameSize() const90 double GetAverageFrameSize() const {
91 if (nframes_) return psnr_ / nframes_;
92 return 0.0;
93 }
94
FramePktHook(const aom_codec_cx_pkt_t * pkt)95 void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
96 sum_frame_size_ += pkt->data.frame.sz;
97
98 const aom_codec_err_t res = decoder_->DecodeFrame(
99 reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);
100 if (res != AOM_CODEC_OK) {
101 abort_ = true;
102 ASSERT_EQ(AOM_CODEC_OK, res);
103 }
104 }
105
DoTest()106 void DoTest() {
107 ::libaom_test::YUVVideoSource video(
108 "niklas_640_480_30.yuv", AOM_IMG_FMT_I420, 640, 480, 30, 1, 0, 6);
109 cfg_.rc_target_bitrate = 1000;
110
111 // Encode without sb_qp_sweep
112 use_sb_sweep_ = false;
113 sum_frame_size_ = 0;
114 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
115 const double psnr_1 = GetAveragePsnr();
116 const size_t avg_frame_size_1 = sum_frame_size_ / nframes_;
117
118 // Encode with sb_qp_sweep
119 use_sb_sweep_ = true;
120 sum_frame_size_ = 0;
121 ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
122 const double psnr_2 = GetAveragePsnr();
123 const size_t avg_frame_size_2 = sum_frame_size_ / nframes_;
124
125 if (psnr_1 >= psnr_2) {
126 ASSERT_GE(avg_frame_size_1, avg_frame_size_2);
127 }
128 if (avg_frame_size_1 <= avg_frame_size_2) {
129 ASSERT_LE(psnr_1, psnr_2);
130 }
131 }
132
133 bool use_sb_sweep_;
134 int set_cpu_used_;
135 bool row_mt_;
136 double psnr_;
137 unsigned int nframes_;
138 size_t sum_frame_size_;
139 std::unique_ptr<::libaom_test::Decoder> decoder_;
140 };
141
TEST_P(AV1SBQPSweepTest,SweepMatchTest)142 TEST_P(AV1SBQPSweepTest, SweepMatchTest) { DoTest(); }
143
144 AV1_INSTANTIATE_TEST_SUITE(AV1SBQPSweepTest, ::testing::Range(4, 6),
145 ::testing::Bool());
146
147 } // namespace
148