1 /*
2 * Copyright (c) 2018, 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 "third_party/googletest/src/googletest/include/gtest/gtest.h"
13
14 #include "av1/encoder/encoder.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 #include "test/yuv_video_source.h"
21
22 namespace {
23
24 using ::testing::make_tuple;
25 using ::testing::tuple;
26
27 /* TESTING PARAMETERS */
28
29 #define NUM_TEST_VIDEOS 3
30
31 const int kBitrate = 40;
32
33 // PSNR thresholds found by experiment
34 const double kPSNRThresholds[] = { 26.0, 28.0, 20.0 };
35
36 typedef struct {
37 const char *filename;
38 aom_img_fmt fmt;
39 aom_bit_depth_t bit_depth;
40 unsigned int profile;
41 unsigned int limit;
42 unsigned int screen_content;
43 } TestVideoParam;
44
45 const TestVideoParam kTestVideoVectors[] = {
46 { "park_joy_90p_8_420.y4m", AOM_IMG_FMT_I420, AOM_BITS_8, 0, 5, 0 },
47 { "park_joy_90p_10_444.y4m", AOM_IMG_FMT_I44416, AOM_BITS_10, 1, 5, 0 },
48 { "screendata.y4m", AOM_IMG_FMT_I420, AOM_BITS_8, 0, 4, 1 },
49 };
50
51 // Superres modes tested
52 // SUPERRES_QTHRESH is not included, as it has its own test
53 const SUPERRES_MODE kSuperresModesNotQThresh[] = { SUPERRES_FIXED,
54 SUPERRES_RANDOM };
55
56 // Superres denominators and superres kf denominators to be tested
57 typedef tuple<int, int> SuperresDenominatorPair;
58 const SuperresDenominatorPair kSuperresDenominators[] = {
59 make_tuple(16, 9), make_tuple(13, 11), make_tuple(9, 9),
60 make_tuple(13, 13), make_tuple(11, 16), make_tuple(8, 16),
61 make_tuple(16, 8), make_tuple(8, 8), make_tuple(9, 14),
62 };
63
64 // Superres q thresholds and superres kf q thresholds to be tested
65 typedef tuple<int, int> SuperresQThresholdPair;
66 const SuperresQThresholdPair kSuperresQThresholds[] = {
67 make_tuple(63, 63), make_tuple(63, 41), make_tuple(17, 63),
68 make_tuple(41, 11), make_tuple(1, 37), make_tuple(11, 11),
69 make_tuple(1, 1), make_tuple(17, 29), make_tuple(29, 11),
70 };
71
72 /* END (TESTING PARAMETERS) */
73
74 // Test parameter list:
75 // <[needed for EncoderTest], test_video_idx_, superres_mode_,
76 // tuple(superres_denom_, superres_kf_denom_)>
77 typedef tuple<const libaom_test::CodecFactory *, int, SUPERRES_MODE,
78 SuperresDenominatorPair>
79 HorzSuperresTestParam;
80
81 class HorzSuperresEndToEndTest
82 : public ::testing::TestWithParam<HorzSuperresTestParam>,
83 public ::libaom_test::EncoderTest {
84 protected:
HorzSuperresEndToEndTest()85 HorzSuperresEndToEndTest()
86 : EncoderTest(GET_PARAM(0)), test_video_idx_(GET_PARAM(1)),
87 superres_mode_(GET_PARAM(2)), psnr_(0.0), frame_count_(0) {
88 test_video_param_ = kTestVideoVectors[test_video_idx_];
89
90 SuperresDenominatorPair denoms = GET_PARAM(3);
91 superres_denom_ = ::testing::get<0>(denoms);
92 superres_kf_denom_ = ::testing::get<1>(denoms);
93 }
94
~HorzSuperresEndToEndTest()95 virtual ~HorzSuperresEndToEndTest() {}
96
SetUp()97 virtual void SetUp() {
98 InitializeConfig();
99 SetMode(::libaom_test::kTwoPassGood);
100 cfg_.g_lag_in_frames = 5;
101 cfg_.rc_end_usage = AOM_VBR;
102 cfg_.rc_target_bitrate = kBitrate;
103 cfg_.g_error_resilient = 0;
104 cfg_.g_profile = test_video_param_.profile;
105 cfg_.g_input_bit_depth = (unsigned int)test_video_param_.bit_depth;
106 cfg_.g_bit_depth = test_video_param_.bit_depth;
107 init_flags_ = AOM_CODEC_USE_PSNR;
108 if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;
109
110 // Set superres parameters
111 cfg_.rc_superres_mode = superres_mode_;
112 cfg_.rc_superres_denominator = superres_denom_;
113 cfg_.rc_superres_kf_denominator = superres_kf_denom_;
114 }
115
BeginPassHook(unsigned int)116 virtual void BeginPassHook(unsigned int) {
117 psnr_ = 0.0;
118 frame_count_ = 0;
119 }
120
PSNRPktHook(const aom_codec_cx_pkt_t * pkt)121 virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
122 psnr_ += pkt->data.psnr.psnr[0];
123 frame_count_++;
124 }
125
PreEncodeFrameHook(::libaom_test::VideoSource * video,::libaom_test::Encoder * encoder)126 virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
127 ::libaom_test::Encoder *encoder) {
128 if (video->frame() == 1) {
129 encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
130 encoder->Control(AV1E_SET_TILE_COLUMNS, 4);
131
132 // Set cpu-used = 8 for speed
133 encoder->Control(AOME_SET_CPUUSED, 8);
134
135 // Test screen coding tools
136 if (test_video_param_.screen_content)
137 encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
138 else
139 encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_DEFAULT);
140
141 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
142 encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
143 encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
144 }
145 }
146
GetAveragePsnr() const147 double GetAveragePsnr() const {
148 if (frame_count_) return psnr_ / frame_count_;
149 return 0.0;
150 }
151
GetPsnrThreshold()152 double GetPsnrThreshold() { return kPSNRThresholds[test_video_idx_]; }
153
DoTest()154 void DoTest() {
155 testing::internal::scoped_ptr<libaom_test::VideoSource> video;
156 video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
157 test_video_param_.limit));
158 ASSERT_TRUE(video.get() != NULL);
159
160 ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
161 const double psnr = GetAveragePsnr();
162 EXPECT_GT(psnr, GetPsnrThreshold())
163 << "superres_mode_ = " << superres_mode_
164 << ", superres_denom_ = " << superres_denom_
165 << ", superres_kf_denom_ = " << superres_kf_denom_;
166
167 EXPECT_EQ(test_video_param_.limit, frame_count_)
168 << "superres_mode_ = " << superres_mode_
169 << ", superres_denom_ = " << superres_denom_
170 << ", superres_kf_denom_ = " << superres_kf_denom_;
171 }
172
173 int test_video_idx_;
174 TestVideoParam test_video_param_;
175 SUPERRES_MODE superres_mode_;
176 int superres_denom_;
177 int superres_kf_denom_;
178
179 private:
180 double psnr_;
181 unsigned int frame_count_;
182 };
183
TEST_P(HorzSuperresEndToEndTest,HorzSuperresEndToEndPSNRTest)184 TEST_P(HorzSuperresEndToEndTest, HorzSuperresEndToEndPSNRTest) { DoTest(); }
185
186 AV1_INSTANTIATE_TEST_CASE(HorzSuperresEndToEndTest,
187 ::testing::Range(0, NUM_TEST_VIDEOS),
188 ::testing::ValuesIn(kSuperresModesNotQThresh),
189 ::testing::ValuesIn(kSuperresDenominators));
190
191 // Test parameter list:
192 // <[needed for EncoderTest], test_video_idx_, tuple(superres_denom_,
193 // superres_kf_denom_), tuple(superres_qthresh_,superres_kf_qthresh_)>
194 typedef tuple<const libaom_test::CodecFactory *, int, SuperresDenominatorPair,
195 SuperresQThresholdPair>
196 HorzSuperresQThreshTestParam;
197
198 class HorzSuperresQThreshEndToEndTest
199 : public ::testing::TestWithParam<HorzSuperresQThreshTestParam>,
200 public ::libaom_test::EncoderTest {
201 protected:
HorzSuperresQThreshEndToEndTest()202 HorzSuperresQThreshEndToEndTest()
203 : EncoderTest(GET_PARAM(0)), test_video_idx_(GET_PARAM(1)),
204 superres_mode_(SUPERRES_QTHRESH), psnr_(0.0), frame_count_(0) {
205 test_video_param_ = kTestVideoVectors[test_video_idx_];
206
207 SuperresDenominatorPair denoms = GET_PARAM(2);
208 superres_denom_ = ::testing::get<0>(denoms);
209 superres_kf_denom_ = ::testing::get<1>(denoms);
210
211 SuperresQThresholdPair qthresholds = GET_PARAM(3);
212 superres_qthresh_ = ::testing::get<0>(qthresholds);
213 superres_kf_qthresh_ = ::testing::get<1>(qthresholds);
214 }
215
~HorzSuperresQThreshEndToEndTest()216 virtual ~HorzSuperresQThreshEndToEndTest() {}
217
SetUp()218 virtual void SetUp() {
219 InitializeConfig();
220 SetMode(::libaom_test::kTwoPassGood);
221 cfg_.g_lag_in_frames = 5;
222 cfg_.rc_end_usage = AOM_VBR;
223 cfg_.rc_target_bitrate = kBitrate;
224 cfg_.g_error_resilient = 0;
225 cfg_.g_profile = test_video_param_.profile;
226 cfg_.g_input_bit_depth = (unsigned int)test_video_param_.bit_depth;
227 cfg_.g_bit_depth = test_video_param_.bit_depth;
228 init_flags_ = AOM_CODEC_USE_PSNR;
229 if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;
230
231 // Set superres parameters
232 cfg_.rc_superres_mode = superres_mode_;
233 cfg_.rc_superres_denominator = superres_denom_;
234 cfg_.rc_superres_kf_denominator = superres_kf_denom_;
235 cfg_.rc_superres_qthresh = superres_qthresh_;
236 cfg_.rc_superres_kf_qthresh = superres_kf_qthresh_;
237 }
238
BeginPassHook(unsigned int)239 virtual void BeginPassHook(unsigned int) {
240 psnr_ = 0.0;
241 frame_count_ = 0;
242 }
243
PSNRPktHook(const aom_codec_cx_pkt_t * pkt)244 virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
245 psnr_ += pkt->data.psnr.psnr[0];
246 frame_count_++;
247 }
248
PreEncodeFrameHook(::libaom_test::VideoSource * video,::libaom_test::Encoder * encoder)249 virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
250 ::libaom_test::Encoder *encoder) {
251 if (video->frame() == 1) {
252 encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
253 encoder->Control(AV1E_SET_TILE_COLUMNS, 0);
254
255 // Set cpu-used = 8 for speed
256 encoder->Control(AOME_SET_CPUUSED, 8);
257
258 // Test screen coding tools
259 if (test_video_param_.screen_content)
260 encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
261 else
262 encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_DEFAULT);
263
264 encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
265 encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
266 encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
267 }
268 }
269
GetAveragePsnr() const270 double GetAveragePsnr() const {
271 if (frame_count_) return psnr_ / frame_count_;
272 return 0.0;
273 }
274
GetPsnrThreshold()275 double GetPsnrThreshold() { return kPSNRThresholds[test_video_idx_]; }
276
DoTest()277 void DoTest() {
278 testing::internal::scoped_ptr<libaom_test::VideoSource> video;
279 video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
280 test_video_param_.limit));
281 ASSERT_TRUE(video.get() != NULL);
282
283 ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
284 const double psnr = GetAveragePsnr();
285 EXPECT_GT(psnr, GetPsnrThreshold())
286 << "superres_mode_ = " << superres_mode_
287 << ", superres_denom_ = " << superres_denom_
288 << ", superres_kf_denom_ = " << superres_kf_denom_
289 << ", superres_qthresh_ = " << superres_qthresh_
290 << ", superres_kf_qthresh_ = " << superres_kf_qthresh_;
291
292 EXPECT_EQ(test_video_param_.limit, frame_count_)
293 << "superres_mode_ = " << superres_mode_
294 << ", superres_denom_ = " << superres_denom_
295 << ", superres_kf_denom_ = " << superres_kf_denom_
296 << ", superres_qthresh_ = " << superres_qthresh_
297 << ", superres_kf_qthresh_ = " << superres_kf_qthresh_;
298 }
299
300 int test_video_idx_;
301 TestVideoParam test_video_param_;
302 SUPERRES_MODE superres_mode_;
303 int superres_denom_;
304 int superres_kf_denom_;
305 int superres_qthresh_;
306 int superres_kf_qthresh_;
307
308 private:
309 double psnr_;
310 unsigned int frame_count_;
311 };
312
TEST_P(HorzSuperresQThreshEndToEndTest,HorzSuperresQThreshEndToEndPSNRTest)313 TEST_P(HorzSuperresQThreshEndToEndTest, HorzSuperresQThreshEndToEndPSNRTest) {
314 DoTest();
315 }
316
317 AV1_INSTANTIATE_TEST_CASE(HorzSuperresQThreshEndToEndTest,
318 ::testing::Range(0, NUM_TEST_VIDEOS),
319 ::testing::ValuesIn(kSuperresDenominators),
320 ::testing::ValuesIn(kSuperresQThresholds));
321
322 } // namespace
323