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1 /*
2  * Copyright (c) 2016, 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 <string>
13 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
14 
15 #include "config/aom_config.h"
16 #include "config/aom_version.h"
17 
18 #include "test/codec_factory.h"
19 #include "test/encode_test_driver.h"
20 #include "test/i420_video_source.h"
21 #include "test/util.h"
22 #include "test/y4m_video_source.h"
23 #include "aom_ports/aom_timer.h"
24 
25 namespace {
26 
27 const int kMaxPsnr = 100;
28 const double kUsecsInSec = 1000000.0;
29 
30 struct EncodePerfTestVideo {
EncodePerfTestVideo__anon6dafe1e40111::EncodePerfTestVideo31   EncodePerfTestVideo(const char *name_, uint32_t width_, uint32_t height_,
32                       uint32_t bitrate_, int frames_)
33       : name(name_), width(width_), height(height_), bitrate(bitrate_),
34         frames(frames_) {}
35   const char *name;
36   uint32_t width;
37   uint32_t height;
38   uint32_t bitrate;
39   int frames;
40 };
41 
42 const EncodePerfTestVideo kAV1EncodePerfTestVectors[] = {
43   EncodePerfTestVideo("desktop_640_360_30.yuv", 640, 360, 200, 2484),
44   EncodePerfTestVideo("kirland_640_480_30.yuv", 640, 480, 200, 300),
45   EncodePerfTestVideo("macmarcomoving_640_480_30.yuv", 640, 480, 200, 987),
46   EncodePerfTestVideo("macmarcostationary_640_480_30.yuv", 640, 480, 200, 718),
47   EncodePerfTestVideo("niklas_640_480_30.yuv", 640, 480, 200, 471),
48   EncodePerfTestVideo("tacomanarrows_640_480_30.yuv", 640, 480, 200, 300),
49   EncodePerfTestVideo("tacomasmallcameramovement_640_480_30.yuv", 640, 480, 200,
50                       300),
51   EncodePerfTestVideo("thaloundeskmtg_640_480_30.yuv", 640, 480, 200, 300),
52   EncodePerfTestVideo("niklas_1280_720_30.yuv", 1280, 720, 600, 470),
53 };
54 
55 const int kEncodePerfTestSpeeds[] = { 5, 6, 7, 8 };
56 const int kEncodePerfTestThreads[] = { 1, 2, 4 };
57 
58 class AV1EncodePerfTest
59     : public ::libaom_test::CodecTestWithParam<libaom_test::TestMode>,
60       public ::libaom_test::EncoderTest {
61  protected:
AV1EncodePerfTest()62   AV1EncodePerfTest()
63       : EncoderTest(GET_PARAM(0)), min_psnr_(kMaxPsnr), nframes_(0),
64         encoding_mode_(GET_PARAM(1)), speed_(0), threads_(1) {}
65 
66   ~AV1EncodePerfTest() override = default;
67 
SetUp()68   void SetUp() override {
69     InitializeConfig(encoding_mode_);
70 
71     cfg_.g_lag_in_frames = 0;
72     cfg_.rc_min_quantizer = 2;
73     cfg_.rc_max_quantizer = 56;
74     cfg_.rc_dropframe_thresh = 0;
75     cfg_.rc_undershoot_pct = 50;
76     cfg_.rc_overshoot_pct = 50;
77     cfg_.rc_buf_sz = 1000;
78     cfg_.rc_buf_initial_sz = 500;
79     cfg_.rc_buf_optimal_sz = 600;
80     cfg_.rc_end_usage = AOM_CBR;
81     cfg_.g_error_resilient = 1;
82     cfg_.g_threads = threads_;
83   }
84 
PreEncodeFrameHook(::libaom_test::VideoSource * video,::libaom_test::Encoder * encoder)85   void PreEncodeFrameHook(::libaom_test::VideoSource *video,
86                           ::libaom_test::Encoder *encoder) override {
87     if (video->frame() == 0) {
88       const int log2_tile_columns = 3;
89       encoder->Control(AOME_SET_CPUUSED, speed_);
90       encoder->Control(AV1E_SET_TILE_COLUMNS, log2_tile_columns);
91       encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
92       encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
93     }
94   }
95 
BeginPassHook(unsigned int)96   void BeginPassHook(unsigned int /*pass*/) override {
97     min_psnr_ = kMaxPsnr;
98     nframes_ = 0;
99   }
100 
PSNRPktHook(const aom_codec_cx_pkt_t * pkt)101   void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
102     if (pkt->data.psnr.psnr[0] < min_psnr_) {
103       min_psnr_ = pkt->data.psnr.psnr[0];
104     }
105   }
106 
107   // for performance reasons don't decode
DoDecode() const108   bool DoDecode() const override { return false; }
109 
min_psnr() const110   double min_psnr() const { return min_psnr_; }
111 
set_speed(unsigned int speed)112   void set_speed(unsigned int speed) { speed_ = speed; }
113 
set_threads(unsigned int threads)114   void set_threads(unsigned int threads) { threads_ = threads; }
115 
116  private:
117   double min_psnr_;
118   unsigned int nframes_;
119   libaom_test::TestMode encoding_mode_;
120   unsigned speed_;
121   unsigned int threads_;
122 };
123 
TEST_P(AV1EncodePerfTest,PerfTest)124 TEST_P(AV1EncodePerfTest, PerfTest) {
125   for (const EncodePerfTestVideo &test_video : kAV1EncodePerfTestVectors) {
126     for (int speed : kEncodePerfTestSpeeds) {
127       for (int threads : kEncodePerfTestThreads) {
128         if (test_video.width < 512 && threads > 1)
129           continue;
130         else if (test_video.width < 1024 && threads > 2)
131           continue;
132 
133         set_threads(threads);
134         SetUp();
135 
136         const aom_rational timebase = { 33333333, 1000000000 };
137         cfg_.g_timebase = timebase;
138         cfg_.rc_target_bitrate = test_video.bitrate;
139 
140         init_flags_ = AOM_CODEC_USE_PSNR;
141 
142         const unsigned frames = test_video.frames;
143         const char *video_name = test_video.name;
144         libaom_test::I420VideoSource video(video_name, test_video.width,
145                                            test_video.height, timebase.den,
146                                            timebase.num, 0, test_video.frames);
147         set_speed(speed);
148 
149         aom_usec_timer t;
150         aom_usec_timer_start(&t);
151 
152         ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
153 
154         aom_usec_timer_mark(&t);
155         const double elapsed_secs = aom_usec_timer_elapsed(&t) / kUsecsInSec;
156         const double fps = frames / elapsed_secs;
157         const double minimum_psnr = min_psnr();
158         std::string display_name(video_name);
159         if (threads > 1) {
160           char thread_count[32];
161           snprintf(thread_count, sizeof(thread_count), "_t-%d", threads);
162           display_name += thread_count;
163         }
164 
165         printf("{\n");
166         printf("\t\"type\" : \"encode_perf_test\",\n");
167         printf("\t\"version\" : \"%s\",\n", VERSION_STRING_NOSP);
168         printf("\t\"videoName\" : \"%s\",\n", display_name.c_str());
169         printf("\t\"encodeTimeSecs\" : %f,\n", elapsed_secs);
170         printf("\t\"totalFrames\" : %u,\n", frames);
171         printf("\t\"framesPerSecond\" : %f,\n", fps);
172         printf("\t\"minPsnr\" : %f,\n", minimum_psnr);
173         printf("\t\"speed\" : %d,\n", speed);
174         printf("\t\"threads\" : %d\n", threads);
175         printf("}\n");
176       }
177     }
178   }
179 }
180 
181 AV1_INSTANTIATE_TEST_SUITE(AV1EncodePerfTest,
182                            ::testing::Values(::libaom_test::kRealTime));
183 }  // namespace
184