third_party/aom/test/quant_test.cc

   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 #include "config/aom_config.h"
  12
  13 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
  14 #include "test/codec_factory.h"
  15 #include "test/encode_test_driver.h"
  16 #include "test/i420_video_source.h"
  17 #include "test/util.h"
  18 #include "av1/encoder/av1_quantize.h"
  19 #include "test/y4m_video_source.h"
  20
  21 namespace {
  22
  23 const ::libaom_test::TestMode kTestMode[] =
  24 #if CONFIG_REALTIME_ONLY
  25     { ::libaom_test::kRealTime };
  26 #else
  27     { ::libaom_test::kRealTime, ::libaom_test::kOnePassGood };
  28 #endif
  29
  30 class QMTest
  31     : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
  32       public ::libaom_test::EncoderTest {
  33  protected:
  34   QMTest() : EncoderTest(GET_PARAM(0)) {}
  35   ~QMTest() override = default;
  36
  37   void SetUp() override {
  38     InitializeConfig(GET_PARAM(1));
  39     set_cpu_used_ = GET_PARAM(2);
  40   }
  41
  42   void PreEncodeFrameHook(::libaom_test::VideoSource *video,
  43                           ::libaom_test::Encoder *encoder) override {
  44     if (video->frame() == 0) {
  45       encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
  46       encoder->Control(AV1E_SET_ENABLE_QM, 1);
  47       encoder->Control(AV1E_SET_QM_MIN, qm_min_);
  48       encoder->Control(AV1E_SET_QM_MAX, qm_max_);
  49
  50       encoder->Control(AOME_SET_MAX_INTRA_BITRATE_PCT, 100);
  51       if (mode_ == ::libaom_test::kRealTime) {
  52         encoder->Control(AV1E_SET_ALLOW_WARPED_MOTION, 0);
  53         encoder->Control(AV1E_SET_ENABLE_GLOBAL_MOTION, 0);
  54         encoder->Control(AV1E_SET_ENABLE_OBMC, 0);
  55       }
  56     }
  57   }
  58
  59   void DoTest(int qm_min, int qm_max) {
  60     qm_min_ = qm_min;
  61     qm_max_ = qm_max;
  62     cfg_.kf_max_dist = 12;
  63     cfg_.rc_min_quantizer = 8;
  64     cfg_.rc_max_quantizer = 56;
  65     cfg_.rc_end_usage = AOM_CBR;
  66     cfg_.g_lag_in_frames = 6;
  67     cfg_.rc_buf_initial_sz = 500;
  68     cfg_.rc_buf_optimal_sz = 500;
  69     cfg_.rc_buf_sz = 1000;
  70     cfg_.rc_target_bitrate = 300;
  71     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
  72                                          288, 30, 1, 0, 15);
  73     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
  74   }
  75
  76   int set_cpu_used_;
  77   int qm_min_;
  78   int qm_max_;
  79 };
  80
  81 // encodes and decodes without a mismatch.
  82 TEST_P(QMTest, TestNoMisMatchQM1) { DoTest(5, 9); }
  83
  84 // encodes and decodes without a mismatch.
  85 TEST_P(QMTest, TestNoMisMatchQM2) { DoTest(0, 8); }
  86
  87 // encodes and decodes without a mismatch.
  88 TEST_P(QMTest, TestNoMisMatchQM3) { DoTest(9, 15); }
  89
  90 AV1_INSTANTIATE_TEST_SUITE(QMTest, ::testing::ValuesIn(kTestMode),
  91                            ::testing::Range(5, 9));
  92
  93 #if !CONFIG_REALTIME_ONLY
  94 typedef struct {
  95   const unsigned int min_q;
  96   const unsigned int max_q;
  97 } QuantParam;
  98
  99 const QuantParam QuantTestParams[] = {
 100   { 0, 10 }, { 0, 60 }, { 20, 35 }, { 35, 50 }, { 50, 63 }
 101 };
 102
 103 std::ostream &operator<<(std::ostream &os, const QuantParam &test_arg) {
 104   return os << "QuantParam { min_q:" << test_arg.min_q
 105             << " max_q:" << test_arg.max_q << " }";
 106 }
 107
 108 /*
 109  * This class is used to test whether base_qindex is within min
 110  * and max quantizer range configured by user.
 111  */
 112 class QuantizerBoundsCheckTestLarge
 113     : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode,
 114                                                  QuantParam, aom_rc_mode>,
 115       public ::libaom_test::EncoderTest {
 116  protected:
 117   QuantizerBoundsCheckTestLarge()
 118       : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
 119         quant_param_(GET_PARAM(2)), rc_end_usage_(GET_PARAM(3)) {
 120     quant_bound_violated_ = false;
 121   }
 122   ~QuantizerBoundsCheckTestLarge() override = default;
 123
 124   void SetUp() override {
 125     InitializeConfig(encoding_mode_);
 126     const aom_rational timebase = { 1, 30 };
 127     cfg_.g_timebase = timebase;
 128     cfg_.rc_end_usage = rc_end_usage_;
 129     cfg_.g_threads = 1;
 130     cfg_.rc_min_quantizer = quant_param_.min_q;
 131     cfg_.rc_max_quantizer = quant_param_.max_q;
 132     cfg_.g_lag_in_frames = 35;
 133     if (rc_end_usage_ != AOM_Q) {
 134       cfg_.rc_target_bitrate = 400;
 135     }
 136   }
 137
 138   bool DoDecode() const override { return true; }
 139
 140   void PreEncodeFrameHook(::libaom_test::VideoSource *video,
 141                           ::libaom_test::Encoder *encoder) override {
 142     if (video->frame() == 0) {
 143       encoder->Control(AOME_SET_CPUUSED, 5);
 144     }
 145   }
 146
 147   bool HandleDecodeResult(const aom_codec_err_t res_dec,
 148                           libaom_test::Decoder *decoder) override {
 149     EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
 150     if (AOM_CODEC_OK == res_dec) {
 151       aom_codec_ctx_t *ctx_dec = decoder->GetDecoder();
 152       AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_LAST_QUANTIZER,
 153                                     &base_qindex_);
 154       min_bound_qindex_ = av1_quantizer_to_qindex(cfg_.rc_min_quantizer);
 155       max_bound_qindex_ = av1_quantizer_to_qindex(cfg_.rc_max_quantizer);
 156       if ((base_qindex_ < min_bound_qindex_ ||
 157            base_qindex_ > max_bound_qindex_) &&
 158           quant_bound_violated_ == false) {
 159         quant_bound_violated_ = true;
 160       }
 161     }
 162     return AOM_CODEC_OK == res_dec;
 163   }
 164
 165   ::libaom_test::TestMode encoding_mode_;
 166   const QuantParam quant_param_;
 167   int base_qindex_;
 168   int min_bound_qindex_;
 169   int max_bound_qindex_;
 170   bool quant_bound_violated_;
 171   aom_rc_mode rc_end_usage_;
 172 };
 173
 174 TEST_P(QuantizerBoundsCheckTestLarge, QuantizerBoundsCheckEncodeTest) {
 175   libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
 176                                      cfg_.g_timebase.den, cfg_.g_timebase.num,
 177                                      0, 50);
 178   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 179   ASSERT_EQ(quant_bound_violated_, false);
 180 }
 181
 182 AV1_INSTANTIATE_TEST_SUITE(QuantizerBoundsCheckTestLarge,
 183                            ::testing::Values(::libaom_test::kOnePassGood,
 184                                              ::libaom_test::kTwoPassGood),
 185                            ::testing::ValuesIn(QuantTestParams),
 186                            ::testing::Values(AOM_Q, AOM_VBR, AOM_CBR, AOM_CQ));
 187 #endif  // !CONFIG_REALTIME_ONLY
 188 }  // namespace