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horz_superres_test.cc (14013B)


      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 <memory>
     13 #include <ostream>
     14 #include <tuple>
     15 
     16 #include "gtest/gtest.h"
     17 
     18 #include "av1/encoder/encoder.h"
     19 
     20 #include "test/codec_factory.h"
     21 #include "test/encode_test_driver.h"
     22 #include "test/util.h"
     23 #include "test/y4m_video_source.h"
     24 #include "test/yuv_video_source.h"
     25 
     26 namespace {
     27 
     28 using std::make_tuple;
     29 using std::tuple;
     30 
     31 /* TESTING PARAMETERS */
     32 
     33 const int kBitrate = 40;
     34 
     35 struct TestVideoParam {
     36  const char *filename;
     37  aom_img_fmt fmt;
     38  aom_bit_depth_t bit_depth;
     39  unsigned int profile;
     40  unsigned int limit;
     41  unsigned int screen_content;
     42  double psnr_threshold;   // used by modes other than AOM_SUPERRES_AUTO
     43  double psnr_threshold2;  // used by AOM_SUPERRES_AUTO
     44 };
     45 
     46 std::ostream &operator<<(std::ostream &os, const TestVideoParam &test_arg) {
     47  return os << "TestVideoParam { filename:" << test_arg.filename
     48            << " fmt:" << test_arg.fmt << " bit_depth:" << test_arg.bit_depth
     49            << " profile:" << test_arg.profile << " limit:" << test_arg.limit
     50            << " screen_content:" << test_arg.screen_content
     51            << " psnr_threshold:" << test_arg.psnr_threshold << " }";
     52 }
     53 
     54 const TestVideoParam kTestVideoVectors[] = {
     55  { "park_joy_90p_8_420.y4m", AOM_IMG_FMT_I420, AOM_BITS_8, 0, 5, 0, 25.3,
     56    44.7 },
     57 #if CONFIG_AV1_HIGHBITDEPTH
     58  { "park_joy_90p_10_444.y4m", AOM_IMG_FMT_I44416, AOM_BITS_10, 1, 5, 0, 27.0,
     59    46.8 },
     60 #endif
     61  { "screendata.y4m", AOM_IMG_FMT_I420, AOM_BITS_8, 0, 4, 1, 23.0, 52.5 },
     62  // Image coding (single frame).
     63  { "niklas_1280_720_30.y4m", AOM_IMG_FMT_I420, AOM_BITS_8, 0, 1, 0, 32.0,
     64    49.0 },
     65 };
     66 
     67 // Modes with extra params have their own tests.
     68 const aom_superres_mode kSuperresModesWithoutParams[] = { AOM_SUPERRES_RANDOM,
     69                                                          AOM_SUPERRES_AUTO };
     70 
     71 // Superres denominators and superres kf denominators to be tested
     72 using SuperresDenominatorPair = tuple<int, int>;
     73 const SuperresDenominatorPair kSuperresDenominators[] = {
     74  make_tuple(16, 9),  make_tuple(13, 11), make_tuple(9, 9),
     75  make_tuple(13, 13), make_tuple(11, 16), make_tuple(8, 16),
     76  make_tuple(16, 8),  make_tuple(8, 8),   make_tuple(9, 14),
     77 };
     78 
     79 // Superres q thresholds and superres kf q thresholds to be tested
     80 using SuperresQThresholdPair = tuple<int, int>;
     81 const SuperresQThresholdPair kSuperresQThresholds[] = {
     82  make_tuple(63, 63), make_tuple(63, 41), make_tuple(17, 63),
     83  make_tuple(41, 11), make_tuple(1, 37),  make_tuple(11, 11),
     84  make_tuple(1, 1),   make_tuple(17, 29), make_tuple(29, 11),
     85 };
     86 
     87 /* END (TESTING PARAMETERS) */
     88 
     89 // Test parameter list:
     90 //  <[needed for EncoderTest], test_video_param_, superres_mode_>
     91 using HorzSuperresTestParam =
     92    tuple<const libaom_test::CodecFactory *, TestVideoParam, aom_superres_mode>;
     93 
     94 class HorzSuperresEndToEndTest
     95    : public ::testing::TestWithParam<HorzSuperresTestParam>,
     96      public ::libaom_test::EncoderTest {
     97 protected:
     98  HorzSuperresEndToEndTest()
     99      : EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)),
    100        superres_mode_(GET_PARAM(2)), psnr_(0.0), frame_count_(0) {}
    101 
    102  ~HorzSuperresEndToEndTest() override = default;
    103 
    104  void SetUp() override {
    105    InitializeConfig(::libaom_test::kTwoPassGood);
    106    cfg_.g_lag_in_frames = 5;
    107    cfg_.rc_end_usage = AOM_Q;
    108    cfg_.rc_target_bitrate = kBitrate;
    109    cfg_.g_error_resilient = 0;
    110    cfg_.g_profile = test_video_param_.profile;
    111    cfg_.g_input_bit_depth = (unsigned int)test_video_param_.bit_depth;
    112    cfg_.g_bit_depth = test_video_param_.bit_depth;
    113    init_flags_ = AOM_CODEC_USE_PSNR;
    114    if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;
    115 
    116    // Set superres parameters
    117    cfg_.rc_superres_mode = superres_mode_;
    118  }
    119 
    120  void BeginPassHook(unsigned int) override {
    121    psnr_ = 0.0;
    122    frame_count_ = 0;
    123  }
    124 
    125  void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
    126    psnr_ += pkt->data.psnr.psnr[0];
    127    frame_count_++;
    128  }
    129 
    130  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
    131                          ::libaom_test::Encoder *encoder) override {
    132    if (video->frame() == 0) {
    133      encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
    134      encoder->Control(AV1E_SET_TILE_COLUMNS, 4);
    135 
    136      // Set cpu-used = 8 for speed
    137      encoder->Control(AOME_SET_CPUUSED, 8);
    138 
    139      // Test screen coding tools
    140      if (test_video_param_.screen_content)
    141        encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
    142      else
    143        encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_DEFAULT);
    144 
    145      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
    146      encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
    147      encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
    148    }
    149  }
    150 
    151  double GetAveragePsnr() const {
    152    if (frame_count_) return psnr_ / frame_count_;
    153    return 0.0;
    154  }
    155 
    156  void DoTest() {
    157    std::unique_ptr<libaom_test::VideoSource> video;
    158    video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
    159                                                test_video_param_.limit));
    160    ASSERT_NE(video, nullptr);
    161 
    162    ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
    163    const double psnr_thresh = (superres_mode_ == AOM_SUPERRES_AUTO)
    164                                   ? test_video_param_.psnr_threshold2
    165                                   : test_video_param_.psnr_threshold;
    166    const double psnr = GetAveragePsnr();
    167    EXPECT_GT(psnr, psnr_thresh);
    168 
    169    EXPECT_EQ(test_video_param_.limit, frame_count_);
    170  }
    171 
    172  TestVideoParam test_video_param_;
    173  aom_superres_mode superres_mode_;
    174 
    175 private:
    176  double psnr_;
    177  unsigned int frame_count_;
    178 };
    179 
    180 TEST_P(HorzSuperresEndToEndTest, HorzSuperresEndToEndPSNRTest) { DoTest(); }
    181 
    182 AV1_INSTANTIATE_TEST_SUITE(HorzSuperresEndToEndTest,
    183                           ::testing::ValuesIn(kTestVideoVectors),
    184                           ::testing::ValuesIn(kSuperresModesWithoutParams));
    185 
    186 // Test parameter list:
    187 //  <[needed for EncoderTest], test_video_param_, tuple(superres_denom_,
    188 //  superres_kf_denom_)>
    189 using HorzSuperresFixedTestParam =
    190    tuple<const libaom_test::CodecFactory *, TestVideoParam,
    191          SuperresDenominatorPair>;
    192 
    193 class HorzSuperresFixedEndToEndTest
    194    : public ::testing::TestWithParam<HorzSuperresFixedTestParam>,
    195      public ::libaom_test::EncoderTest {
    196 protected:
    197  HorzSuperresFixedEndToEndTest()
    198      : EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)),
    199        superres_mode_(AOM_SUPERRES_FIXED), psnr_(0.0), frame_count_(0) {
    200    SuperresDenominatorPair denoms = GET_PARAM(2);
    201    superres_denom_ = std::get<0>(denoms);
    202    superres_kf_denom_ = std::get<1>(denoms);
    203  }
    204 
    205  ~HorzSuperresFixedEndToEndTest() override = default;
    206 
    207  void SetUp() override {
    208    InitializeConfig(::libaom_test::kTwoPassGood);
    209    cfg_.g_lag_in_frames = 5;
    210    cfg_.rc_end_usage = AOM_VBR;
    211    cfg_.rc_target_bitrate = kBitrate;
    212    cfg_.g_error_resilient = 0;
    213    cfg_.g_profile = test_video_param_.profile;
    214    cfg_.g_input_bit_depth = (unsigned int)test_video_param_.bit_depth;
    215    cfg_.g_bit_depth = test_video_param_.bit_depth;
    216    init_flags_ = AOM_CODEC_USE_PSNR;
    217    if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;
    218 
    219    // Set superres parameters
    220    cfg_.rc_superres_mode = superres_mode_;
    221    cfg_.rc_superres_denominator = superres_denom_;
    222    cfg_.rc_superres_kf_denominator = superres_kf_denom_;
    223  }
    224 
    225  void BeginPassHook(unsigned int) override {
    226    psnr_ = 0.0;
    227    frame_count_ = 0;
    228  }
    229 
    230  void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
    231    psnr_ += pkt->data.psnr.psnr[0];
    232    frame_count_++;
    233  }
    234 
    235  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
    236                          ::libaom_test::Encoder *encoder) override {
    237    if (video->frame() == 0) {
    238      encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
    239      encoder->Control(AV1E_SET_TILE_COLUMNS, 4);
    240 
    241      // Set cpu-used = 8 for speed
    242      encoder->Control(AOME_SET_CPUUSED, 8);
    243 
    244      // Test screen coding tools
    245      if (test_video_param_.screen_content)
    246        encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
    247      else
    248        encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_DEFAULT);
    249 
    250      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
    251      encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
    252      encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
    253    }
    254  }
    255 
    256  double GetAveragePsnr() const {
    257    if (frame_count_) return psnr_ / frame_count_;
    258    return 0.0;
    259  }
    260 
    261  void DoTest() {
    262    std::unique_ptr<libaom_test::VideoSource> video;
    263    video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
    264                                                test_video_param_.limit));
    265    ASSERT_NE(video, nullptr);
    266 
    267    ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
    268    const double psnr = GetAveragePsnr();
    269    EXPECT_GT(psnr, test_video_param_.psnr_threshold)
    270        << "superres_mode_ = " << superres_mode_
    271        << ", superres_denom_ = " << superres_denom_
    272        << ", superres_kf_denom_ = " << superres_kf_denom_;
    273 
    274    EXPECT_EQ(test_video_param_.limit, frame_count_)
    275        << "superres_mode_ = " << superres_mode_
    276        << ", superres_denom_ = " << superres_denom_
    277        << ", superres_kf_denom_ = " << superres_kf_denom_;
    278  }
    279 
    280  TestVideoParam test_video_param_;
    281  aom_superres_mode superres_mode_;
    282  int superres_denom_;
    283  int superres_kf_denom_;
    284 
    285 private:
    286  double psnr_;
    287  unsigned int frame_count_;
    288 };
    289 
    290 TEST_P(HorzSuperresFixedEndToEndTest, HorzSuperresFixedTestParam) { DoTest(); }
    291 
    292 AV1_INSTANTIATE_TEST_SUITE(HorzSuperresFixedEndToEndTest,
    293                           ::testing::ValuesIn(kTestVideoVectors),
    294                           ::testing::ValuesIn(kSuperresDenominators));
    295 
    296 // Test parameter list:
    297 //  <[needed for EncoderTest], test_video_param_,
    298 //  tuple(superres_qthresh_,superres_kf_qthresh_)>
    299 using HorzSuperresQThreshTestParam =
    300    tuple<const libaom_test::CodecFactory *, TestVideoParam,
    301          SuperresQThresholdPair>;
    302 
    303 class HorzSuperresQThreshEndToEndTest
    304    : public ::testing::TestWithParam<HorzSuperresQThreshTestParam>,
    305      public ::libaom_test::EncoderTest {
    306 protected:
    307  HorzSuperresQThreshEndToEndTest()
    308      : EncoderTest(GET_PARAM(0)), test_video_param_(GET_PARAM(1)),
    309        superres_mode_(AOM_SUPERRES_QTHRESH), psnr_(0.0), frame_count_(0) {
    310    SuperresQThresholdPair qthresholds = GET_PARAM(2);
    311    superres_qthresh_ = std::get<0>(qthresholds);
    312    superres_kf_qthresh_ = std::get<1>(qthresholds);
    313  }
    314 
    315  ~HorzSuperresQThreshEndToEndTest() override = default;
    316 
    317  void SetUp() override {
    318    InitializeConfig(::libaom_test::kTwoPassGood);
    319    cfg_.g_lag_in_frames = 5;
    320    cfg_.rc_end_usage = AOM_VBR;
    321    cfg_.rc_target_bitrate = kBitrate;
    322    cfg_.g_error_resilient = 0;
    323    cfg_.g_profile = test_video_param_.profile;
    324    cfg_.g_input_bit_depth = (unsigned int)test_video_param_.bit_depth;
    325    cfg_.g_bit_depth = test_video_param_.bit_depth;
    326    init_flags_ = AOM_CODEC_USE_PSNR;
    327    if (cfg_.g_bit_depth > 8) init_flags_ |= AOM_CODEC_USE_HIGHBITDEPTH;
    328 
    329    // Set superres parameters
    330    cfg_.rc_superres_mode = superres_mode_;
    331    cfg_.rc_superres_qthresh = superres_qthresh_;
    332    cfg_.rc_superres_kf_qthresh = superres_kf_qthresh_;
    333  }
    334 
    335  void BeginPassHook(unsigned int) override {
    336    psnr_ = 0.0;
    337    frame_count_ = 0;
    338  }
    339 
    340  void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) override {
    341    psnr_ += pkt->data.psnr.psnr[0];
    342    frame_count_++;
    343  }
    344 
    345  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
    346                          ::libaom_test::Encoder *encoder) override {
    347    if (video->frame() == 0) {
    348      encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
    349      encoder->Control(AV1E_SET_TILE_COLUMNS, 0);
    350 
    351      // Set cpu-used = 8 for speed
    352      encoder->Control(AOME_SET_CPUUSED, 8);
    353 
    354      // Test screen coding tools
    355      if (test_video_param_.screen_content)
    356        encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
    357      else
    358        encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_DEFAULT);
    359 
    360      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
    361      encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
    362      encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
    363    }
    364  }
    365 
    366  double GetAveragePsnr() const {
    367    if (frame_count_) return psnr_ / frame_count_;
    368    return 0.0;
    369  }
    370 
    371  void DoTest() {
    372    std::unique_ptr<libaom_test::VideoSource> video;
    373    video.reset(new libaom_test::Y4mVideoSource(test_video_param_.filename, 0,
    374                                                test_video_param_.limit));
    375    ASSERT_NE(video, nullptr);
    376 
    377    ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
    378    const double psnr = GetAveragePsnr();
    379    EXPECT_GT(psnr, test_video_param_.psnr_threshold)
    380        << "superres_mode_ = " << superres_mode_
    381        << ", superres_qthresh_ = " << superres_qthresh_
    382        << ", superres_kf_qthresh_ = " << superres_kf_qthresh_;
    383 
    384    EXPECT_EQ(test_video_param_.limit, frame_count_)
    385        << "superres_mode_ = " << superres_mode_
    386        << ", superres_qthresh_ = " << superres_qthresh_
    387        << ", superres_kf_qthresh_ = " << superres_kf_qthresh_;
    388  }
    389 
    390  TestVideoParam test_video_param_;
    391  aom_superres_mode superres_mode_;
    392  int superres_qthresh_;
    393  int superres_kf_qthresh_;
    394 
    395 private:
    396  double psnr_;
    397  unsigned int frame_count_;
    398 };
    399 
    400 TEST_P(HorzSuperresQThreshEndToEndTest, HorzSuperresQThreshEndToEndPSNRTest) {
    401  DoTest();
    402 }
    403 
    404 AV1_INSTANTIATE_TEST_SUITE(HorzSuperresQThreshEndToEndTest,
    405                           ::testing::ValuesIn(kTestVideoVectors),
    406                           ::testing::ValuesIn(kSuperresQThresholds));
    407 
    408 }  // namespace