2 * Copyright (c) 2020 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
10 #include "vp9/ratectrl_rtc.h"
12 #include <fstream> // NOLINT
15 #include "./vpx_config.h"
16 #include "third_party/googletest/src/include/gtest/gtest.h"
17 #include "test/codec_factory.h"
18 #include "test/encode_test_driver.h"
19 #include "test/util.h"
20 #include "test/video_source.h"
21 #include "vpx/vpx_codec.h"
22 #include "vpx_ports/bitops.h"
26 const size_t kNumFrame = 850;
29 friend std::istream &operator>>(std::istream &is, FrameInfo &info) {
30 is >> info.frame_id >> info.spatial_id >> info.temporal_id >> info.base_q >>
31 info.target_bandwidth >> info.buffer_level >> info.filter_level_ >>
40 size_t target_bandwidth;
44 // Frame size for current frame, used for pose encode update
48 // This test runs the rate control interface and compare against ground truth
49 // generated by encoders.
50 // Settings for the encoder:
53 // examples/vpx_temporal_svc_encoder gipsrec_motion1.1280_720.yuv out vp9
54 // 1280 720 1 30 7 0 0 1 0 1000
56 // For SVC (3 temporal layers, 3 spatial layers):
58 // examples/vp9_spatial_svc_encoder -f 10000 -w 1280 -h 720 -t 1/30 -sl 3
59 // -k 10000 -bl 100,140,200,250,350,500,450,630,900 -b 1600 --rc-end-usage=1
60 // --lag-in-frames=0 --passes=1 --speed=7 --threads=1
61 // --temporal-layering-mode=3 -aq 1 -rcstat 1
62 // gipsrec_motion1.1280_720.yuv -o out.webm
65 // - Disable golden refresh
66 // - Bitrate x 2 at frame/superframe 200
67 // - Bitrate / 4 at frame/superframe 400
69 // The generated file includes:
70 // frame number, spatial layer ID, temporal layer ID, base QP, target
71 // bandwidth, buffer level, loopfilter level, encoded frame size
72 // TODO(jianj): Remove golden files, and run actual encoding in this test.
73 class RcInterfaceTest : public ::testing::Test {
75 explicit RcInterfaceTest() {}
77 virtual ~RcInterfaceTest() {}
82 rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
84 libvpx::VP9FrameParamsQpRTC frame_params;
85 frame_params.frame_type = KEY_FRAME;
86 frame_params.spatial_layer_id = 0;
87 frame_params.temporal_layer_id = 0;
88 std::ifstream one_layer_file;
89 one_layer_file.open(libvpx_test::GetDataPath() +
90 "/rc_interface_test_one_layer");
91 ASSERT_EQ(one_layer_file.rdstate() & std::ifstream::failbit, 0);
92 for (size_t i = 0; i < kNumFrame; i++) {
93 one_layer_file >> frame_info;
94 if (frame_info.frame_id > 0) frame_params.frame_type = INTER_FRAME;
95 if (frame_info.frame_id == 200) {
96 rc_cfg_.target_bandwidth = rc_cfg_.target_bandwidth * 2;
97 rc_api_->UpdateRateControl(rc_cfg_);
98 } else if (frame_info.frame_id == 400) {
99 rc_cfg_.target_bandwidth = rc_cfg_.target_bandwidth / 4;
100 rc_api_->UpdateRateControl(rc_cfg_);
102 ASSERT_EQ(frame_info.spatial_id, 0);
103 ASSERT_EQ(frame_info.temporal_id, 0);
104 rc_api_->ComputeQP(frame_params);
105 ASSERT_EQ(rc_api_->GetQP(), frame_info.base_q);
106 ASSERT_EQ(rc_api_->GetLoopfilterLevel(), frame_info.filter_level_);
107 rc_api_->PostEncodeUpdate(frame_info.bytes_used);
113 rc_api_ = libvpx::VP9RateControlRTC::Create(rc_cfg_);
114 FrameInfo frame_info;
115 libvpx::VP9FrameParamsQpRTC frame_params;
116 frame_params.frame_type = KEY_FRAME;
117 std::ifstream svc_file;
118 svc_file.open(std::string(std::getenv("LIBVPX_TEST_DATA_PATH")) +
119 "/rc_interface_test_svc");
120 ASSERT_EQ(svc_file.rdstate() & std::ifstream::failbit, 0);
121 for (size_t i = 0; i < kNumFrame * rc_cfg_.ss_number_layers; i++) {
122 svc_file >> frame_info;
123 if (frame_info.frame_id > 0) frame_params.frame_type = INTER_FRAME;
124 if (frame_info.frame_id == 200 * rc_cfg_.ss_number_layers) {
126 layer < rc_cfg_.ss_number_layers * rc_cfg_.ts_number_layers;
128 rc_cfg_.layer_target_bitrate[layer] *= 2;
129 rc_cfg_.target_bandwidth *= 2;
130 rc_api_->UpdateRateControl(rc_cfg_);
131 } else if (frame_info.frame_id == 400 * rc_cfg_.ss_number_layers) {
133 layer < rc_cfg_.ss_number_layers * rc_cfg_.ts_number_layers;
135 rc_cfg_.layer_target_bitrate[layer] /= 4;
136 rc_cfg_.target_bandwidth /= 4;
137 rc_api_->UpdateRateControl(rc_cfg_);
139 frame_params.spatial_layer_id = frame_info.spatial_id;
140 frame_params.temporal_layer_id = frame_info.temporal_id;
141 rc_api_->ComputeQP(frame_params);
142 ASSERT_EQ(rc_api_->GetQP(), frame_info.base_q);
143 ASSERT_EQ(rc_api_->GetLoopfilterLevel(), frame_info.filter_level_);
144 rc_api_->PostEncodeUpdate(frame_info.bytes_used);
149 void SetConfigOneLayer() {
150 rc_cfg_.width = 1280;
151 rc_cfg_.height = 720;
152 rc_cfg_.max_quantizer = 52;
153 rc_cfg_.min_quantizer = 2;
154 rc_cfg_.target_bandwidth = 1000;
155 rc_cfg_.buf_initial_sz = 600;
156 rc_cfg_.buf_optimal_sz = 600;
157 rc_cfg_.buf_sz = 1000;
158 rc_cfg_.undershoot_pct = 50;
159 rc_cfg_.overshoot_pct = 50;
160 rc_cfg_.max_intra_bitrate_pct = 1000;
161 rc_cfg_.framerate = 30.0;
162 rc_cfg_.ss_number_layers = 1;
163 rc_cfg_.ts_number_layers = 1;
164 rc_cfg_.scaling_factor_num[0] = 1;
165 rc_cfg_.scaling_factor_den[0] = 1;
166 rc_cfg_.layer_target_bitrate[0] = 1000;
167 rc_cfg_.max_quantizers[0] = 52;
168 rc_cfg_.min_quantizers[0] = 2;
171 void SetConfigSVC() {
172 rc_cfg_.width = 1280;
173 rc_cfg_.height = 720;
174 rc_cfg_.max_quantizer = 56;
175 rc_cfg_.min_quantizer = 2;
176 rc_cfg_.target_bandwidth = 1600;
177 rc_cfg_.buf_initial_sz = 500;
178 rc_cfg_.buf_optimal_sz = 600;
179 rc_cfg_.buf_sz = 1000;
180 rc_cfg_.undershoot_pct = 50;
181 rc_cfg_.overshoot_pct = 50;
182 rc_cfg_.max_intra_bitrate_pct = 900;
183 rc_cfg_.framerate = 30.0;
184 rc_cfg_.ss_number_layers = 3;
185 rc_cfg_.ts_number_layers = 3;
187 rc_cfg_.scaling_factor_num[0] = 1;
188 rc_cfg_.scaling_factor_den[0] = 4;
189 rc_cfg_.scaling_factor_num[1] = 2;
190 rc_cfg_.scaling_factor_den[1] = 4;
191 rc_cfg_.scaling_factor_num[2] = 4;
192 rc_cfg_.scaling_factor_den[2] = 4;
194 rc_cfg_.ts_rate_decimator[0] = 4;
195 rc_cfg_.ts_rate_decimator[1] = 2;
196 rc_cfg_.ts_rate_decimator[2] = 1;
198 rc_cfg_.layer_target_bitrate[0] = 100;
199 rc_cfg_.layer_target_bitrate[1] = 140;
200 rc_cfg_.layer_target_bitrate[2] = 200;
201 rc_cfg_.layer_target_bitrate[3] = 250;
202 rc_cfg_.layer_target_bitrate[4] = 350;
203 rc_cfg_.layer_target_bitrate[5] = 500;
204 rc_cfg_.layer_target_bitrate[6] = 450;
205 rc_cfg_.layer_target_bitrate[7] = 630;
206 rc_cfg_.layer_target_bitrate[8] = 900;
208 for (int sl = 0; sl < rc_cfg_.ss_number_layers; ++sl) {
209 for (int tl = 0; tl < rc_cfg_.ts_number_layers; ++tl) {
210 const int i = sl * rc_cfg_.ts_number_layers + tl;
211 rc_cfg_.max_quantizers[i] = 56;
212 rc_cfg_.min_quantizers[i] = 2;
217 std::unique_ptr<libvpx::VP9RateControlRTC> rc_api_;
218 libvpx::VP9RateControlRtcConfig rc_cfg_;
221 TEST_F(RcInterfaceTest, OneLayer) { RunOneLayer(); }
223 TEST_F(RcInterfaceTest, SVC) { RunSVC(); }
226 int main(int argc, char **argv) {
227 ::testing::InitGoogleTest(&argc, argv);
228 return RUN_ALL_TESTS();