test/datarate_test.cc - aom - Git at Google

 /*
  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
  *
  * This source code is subject to the terms of the BSD 2 Clause License and
  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
  * was not distributed with this source code in the LICENSE file, you can
  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
  * Media Patent License 1.0 was not distributed with this source code in the
  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  */

 #include "config/aom_config.h"

 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
 #include "test/codec_factory.h"
 #include "test/datarate_test.h"
 #include "test/encode_test_driver.h"
 #include "test/i420_video_source.h"
 #include "test/util.h"
 #include "test/y4m_video_source.h"
 #include "aom/aom_codec.h"

 namespace datarate_test {
 namespace {

 // Params: test mode, speed, aq mode and index for bitrate array.
 class DatarateTestLarge
     : public ::libaom_test::CodecTestWith4Params<libaom_test::TestMode, int,
                                                  unsigned int, int>,
       public DatarateTest {
  public:
   DatarateTestLarge() : DatarateTest(GET_PARAM(0)) {
     set_cpu_used_ = GET_PARAM(2);
     aq_mode_ = GET_PARAM(3);
   }

  protected:
   virtual ~DatarateTestLarge() {}

   virtual void SetUp() {
     InitializeConfig(GET_PARAM(1));
     ResetModel();
   }

   virtual void BasicRateTargetingVBRTest() {
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.g_error_resilient = 0;
     cfg_.rc_end_usage = AOM_VBR;
     cfg_.g_lag_in_frames = 0;

     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 140);
     const int bitrate_array[2] = { 400, 800 };
     cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.7)
         << " The datarate for the file is lower than target by too much!";
     // FIXME(jingning): Lower this test threshold after vbr mode can render
     // sufficiently accurate bit rate.
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.45)
         << " The datarate for the file is greater than target by too much!";
   }

   virtual void BasicRateTargetingCBRTest() {
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.g_lag_in_frames = 0;

     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 140);
     const int bitrate_array[2] = { 150, 550 };
     cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
         << " The datarate for the file is greater than target by too much!";
   }

   virtual void BasicRateTargetingMTCBRTest() {
     ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
                                          1, 0, 400);
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.g_lag_in_frames = 0;
     cfg_.g_threads = 4;

     const int bitrate_array[2] = { 250, 650 };
     cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
     ResetModel();
     tile_column_ = 2;
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
               effective_datarate_ * 0.85)
         << " The datarate for the file exceeds the target by too much!";
     ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
               effective_datarate_ * 1.15)
         << " The datarate for the file missed the target!"
         << cfg_.rc_target_bitrate << " " << effective_datarate_;
   }

   virtual void ErrorResilienceOnSceneCuts() {
     if (GET_PARAM(4) > 0) return;
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 0;
     cfg_.g_error_resilient = 1;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.g_lag_in_frames = 0;

     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 300);
     cfg_.rc_target_bitrate = 500;
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
         << " The datarate for the file is greater than target by too much!";
   }

   virtual void BasicRateTargetingCBRPeriodicKeyFrameTest() {
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.g_lag_in_frames = 0;
     // Periodic keyframe
     cfg_.kf_max_dist = 50;

     ::libaom_test::I420VideoSource video("pixel_capture_w320h240.yuv", 320, 240,
                                          30, 1, 0, 310);
     const int bitrate_array[2] = { 150, 550 };
     cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
         << " The datarate for the file is greater than target by too much!";
   }

   virtual void CBRPeriodicKeyFrameOnSceneCuts() {
     if (GET_PARAM(4) > 0) return;
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 0;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.g_lag_in_frames = 0;
     // Periodic keyframe
     cfg_.kf_max_dist = 30;
     cfg_.kf_min_dist = 30;

     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 300);
     cfg_.rc_target_bitrate = 500;
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.3)
         << " The datarate for the file is greater than target by too much!";
   }

   virtual void BasicRateTargetingAQModeOnOffCBRTest() {
     if (GET_PARAM(4) > 0) return;
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 0;
     cfg_.rc_min_quantizer = 2;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.g_lag_in_frames = 0;
     cfg_.g_error_resilient = 0;
     cfg_.g_pass = AOM_RC_ONE_PASS;
     cfg_.g_usage = AOM_USAGE_REALTIME;
     cfg_.kf_mode = AOM_KF_DISABLED;

     ::libaom_test::I420VideoSource video("pixel_capture_w320h240.yuv", 320, 240,
                                          30, 1, 0, 310);
     cfg_.rc_target_bitrate = 60;
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
         << " The datarate for the file is greater than target by too much!";
   }

   virtual void BasicRateTargeting444CBRTest() {
     ::libaom_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 140);

     cfg_.g_profile = 1;
     cfg_.g_timebase = video.timebase();

     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 63;
     cfg_.rc_end_usage = AOM_CBR;

     const int bitrate_array[2] = { 250, 650 };
     cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
               effective_datarate_ * 0.85)
         << " The datarate for the file exceeds the target by too much!";
     ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
               effective_datarate_ * 1.15)
         << " The datarate for the file missed the target!"
         << cfg_.rc_target_bitrate << " " << effective_datarate_;
   }
 };

 // Params: test mode, speed, aq mode.
 class DatarateTestFrameDropLarge
     : public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, int,
                                                  unsigned int>,
       public DatarateTest {
  public:
   DatarateTestFrameDropLarge() : DatarateTest(GET_PARAM(0)) {
     set_cpu_used_ = GET_PARAM(2);
     aq_mode_ = GET_PARAM(3);
   }

  protected:
   virtual ~DatarateTestFrameDropLarge() {}

   virtual void SetUp() {
     InitializeConfig(GET_PARAM(1));
     ResetModel();
   }

   virtual void ChangingDropFrameThreshTest() {
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_undershoot_pct = 20;
     cfg_.rc_undershoot_pct = 20;
     cfg_.rc_dropframe_thresh = 10;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 50;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.rc_target_bitrate = 200;
     cfg_.g_lag_in_frames = 0;
     cfg_.g_error_resilient = 1;
     // TODO(marpan): Investigate datarate target failures with a smaller
     // keyframe interval (128).
     cfg_.kf_max_dist = 9999;

     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 100);

     const int kDropFrameThreshTestStep = 30;
     aom_codec_pts_t last_drop = 140;
     int last_num_drops = 0;
     for (int i = 40; i < 100; i += kDropFrameThreshTestStep) {
       cfg_.rc_dropframe_thresh = i;
       ResetModel();
       ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
       ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
           << " The datarate for the file is lower than target by too much!";
       ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.17)
           << " The datarate for the file is greater than target by too much!";
       if (last_drop > 0) {
         ASSERT_LE(first_drop_, last_drop)
             << " The first dropped frame for drop_thresh " << i
             << " > first dropped frame for drop_thresh "
             << i - kDropFrameThreshTestStep;
       }
       ASSERT_GE(num_drops_, last_num_drops * 0.7)
           << " The number of dropped frames for drop_thresh " << i
           << " < number of dropped frames for drop_thresh "
           << i - kDropFrameThreshTestStep;
       last_drop = first_drop_;
       last_num_drops = num_drops_;
     }
   }
 };

 // Check basic rate targeting for VBR mode.
 TEST_P(DatarateTestLarge, BasicRateTargetingVBR) {
   BasicRateTargetingVBRTest();
 }

 // Check basic rate targeting for CBR.
 TEST_P(DatarateTestLarge, BasicRateTargetingCBR) {
   BasicRateTargetingCBRTest();
 }

 // Check basic rate targeting for CBR, with 4 threads
 TEST_P(DatarateTestLarge, BasicRateTargetingMTCBR) {
   BasicRateTargetingMTCBRTest();
 }

 // Check basic rate targeting for periodic key frame.
 TEST_P(DatarateTestLarge, PeriodicKeyFrameCBR) {
   BasicRateTargetingCBRPeriodicKeyFrameTest();
 }

 // Check basic rate targeting for periodic key frame, aligned with scene change.
 TEST_P(DatarateTestLarge, PeriodicKeyFrameCBROnSceneCuts) {
   CBRPeriodicKeyFrameOnSceneCuts();
 }

 // Check basic rate targeting with error resilience on for scene cuts.
 TEST_P(DatarateTestLarge, ErrorResilienceOnSceneCuts) {
   ErrorResilienceOnSceneCuts();
 }

 // Check basic rate targeting for CBR.
 TEST_P(DatarateTestLarge, BasicRateTargeting444CBR) {
   BasicRateTargeting444CBRTest();
 }

 // Check that (1) the first dropped frame gets earlier and earlier
 // as the drop frame threshold is increased, and (2) that the total number of
 // frame drops does not decrease as we increase frame drop threshold.
 // Use a lower qp-max to force some frame drops.
 TEST_P(DatarateTestFrameDropLarge, ChangingDropFrameThresh) {
   ChangingDropFrameThreshTest();
 }

 TEST_P(DatarateTestLarge, BasicRateTargetingAQModeOnOffCBR) {
   BasicRateTargetingAQModeOnOffCBRTest();
 }

 class DatarateTestRealtime : public DatarateTestLarge {};

 class DatarateTestFrameDropRealtime : public DatarateTestFrameDropLarge {};

 // Params: aq mode.
 class DatarateTestSpeedChangeRealtime
     : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode,
                                                  unsigned int>,
       public DatarateTest {
  public:
   DatarateTestSpeedChangeRealtime() : DatarateTest(GET_PARAM(0)) {
     aq_mode_ = GET_PARAM(1);
     speed_change_test_ = true;
   }

  protected:
   virtual ~DatarateTestSpeedChangeRealtime() {}

   virtual void SetUp() {
     InitializeConfig(GET_PARAM(1));
     ResetModel();
   }

   virtual void ChangingSpeedTest() {
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_buf_optimal_sz = 500;
     cfg_.rc_buf_sz = 1000;
     cfg_.rc_undershoot_pct = 20;
     cfg_.rc_undershoot_pct = 20;
     cfg_.rc_dropframe_thresh = 10;
     cfg_.rc_min_quantizer = 0;
     cfg_.rc_max_quantizer = 50;
     cfg_.rc_end_usage = AOM_CBR;
     cfg_.rc_target_bitrate = 200;
     cfg_.g_lag_in_frames = 0;
     cfg_.g_error_resilient = 1;
     // TODO(marpan): Investigate datarate target failures with a smaller
     // keyframe interval (128).
     cfg_.kf_max_dist = 9999;
     cfg_.rc_dropframe_thresh = 0;
     ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 100);

     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.83)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.20)
         << " The datarate for the file is greater than target by too much!";
   }
 };

 // Check basic rate targeting for VBR mode.
 TEST_P(DatarateTestRealtime, BasicRateTargetingVBR) {
   BasicRateTargetingVBRTest();
 }

 // Check basic rate targeting for CBR.
 TEST_P(DatarateTestRealtime, BasicRateTargetingCBR) {
   BasicRateTargetingCBRTest();
 }

 // Check basic rate targeting for CBR, with 4 threads
 TEST_P(DatarateTestRealtime, BasicRateTargetingMTCBR) {
   BasicRateTargetingMTCBRTest();
 }

 // Check basic rate targeting for periodic key frame.
 TEST_P(DatarateTestRealtime, PeriodicKeyFrameCBR) {
   BasicRateTargetingCBRPeriodicKeyFrameTest();
 }

 // Check basic rate targeting for periodic key frame, aligned with scene change.
 TEST_P(DatarateTestRealtime, PeriodicKeyFrameCBROnSceneCuts) {
   CBRPeriodicKeyFrameOnSceneCuts();
 }

 // Check basic rate targeting with error resilience on for scene cuts.
 TEST_P(DatarateTestRealtime, ErrorResilienceOnSceneCuts) {
   ErrorResilienceOnSceneCuts();
 }

 // Check basic rate targeting for CBR.
 TEST_P(DatarateTestRealtime, BasicRateTargeting444CBR) {
   BasicRateTargeting444CBRTest();
 }

 // Check that (1) the first dropped frame gets earlier and earlier
 // as the drop frame threshold is increased, and (2) that the total number of
 // frame drops does not decrease as we increase frame drop threshold.
 // Use a lower qp-max to force some frame drops.
 TEST_P(DatarateTestFrameDropRealtime, ChangingDropFrameThresh) {
   ChangingDropFrameThreshTest();
 }

 TEST_P(DatarateTestSpeedChangeRealtime, ChangingSpeedTest) {
   ChangingSpeedTest();
 }

 AV1_INSTANTIATE_TEST_SUITE(DatarateTestLarge,
                            ::testing::Values(::libaom_test::kRealTime),
                            ::testing::Range(5, 7), ::testing::Values(0, 3),
                            ::testing::Values(0, 1));

 AV1_INSTANTIATE_TEST_SUITE(DatarateTestFrameDropLarge,
                            ::testing::Values(::libaom_test::kRealTime),
                            ::testing::Range(5, 7), ::testing::Values(0, 3));

 AV1_INSTANTIATE_TEST_SUITE(DatarateTestRealtime,
                            ::testing::Values(::libaom_test::kRealTime),
                            ::testing::Range(7, 10), ::testing::Values(0, 3),
                            ::testing::Values(0, 1));

 AV1_INSTANTIATE_TEST_SUITE(DatarateTestFrameDropRealtime,
                            ::testing::Values(::libaom_test::kRealTime),
                            ::testing::Range(7, 10), ::testing::Values(0, 3));

 AV1_INSTANTIATE_TEST_SUITE(DatarateTestSpeedChangeRealtime,
                            ::testing::Values(::libaom_test::kRealTime),
                            ::testing::Values(0, 3));

 }  // namespace
 }  // namespace datarate_test
	/*
	* Copyright (c) 2016, Alliance for Open Media. All rights reserved
	*
	* This source code is subject to the terms of the BSD 2 Clause License and
	* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
	* was not distributed with this source code in the LICENSE file, you can
	* obtain it at www.aomedia.org/license/software. If the Alliance for Open
	* Media Patent License 1.0 was not distributed with this source code in the
	* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
	*/

	#include "config/aom_config.h"

	#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
	#include "test/codec_factory.h"
	#include "test/datarate_test.h"
	#include "test/encode_test_driver.h"
	#include "test/i420_video_source.h"
	#include "test/util.h"
	#include "test/y4m_video_source.h"
	#include "aom/aom_codec.h"

	namespace datarate_test {
	namespace {

	// Params: test mode, speed, aq mode and index for bitrate array.
	class DatarateTestLarge
	: public ::libaom_test::CodecTestWith4Params<libaom_test::TestMode, int,
	unsigned int, int>,
	public DatarateTest {
	public:
	DatarateTestLarge() : DatarateTest(GET_PARAM(0)) {
	set_cpu_used_ = GET_PARAM(2);
	aq_mode_ = GET_PARAM(3);
	}

	protected:
	virtual ~DatarateTestLarge() {}

	virtual void SetUp() {
	InitializeConfig(GET_PARAM(1));
	ResetModel();
	}

	virtual void BasicRateTargetingVBRTest() {
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.g_error_resilient = 0;
	cfg_.rc_end_usage = AOM_VBR;
	cfg_.g_lag_in_frames = 0;

	::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 140);
	const int bitrate_array[2] = { 400, 800 };
	cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.7)
	<< " The datarate for the file is lower than target by too much!";
	// FIXME(jingning): Lower this test threshold after vbr mode can render
	// sufficiently accurate bit rate.
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.45)
	<< " The datarate for the file is greater than target by too much!";
	}

	virtual void BasicRateTargetingCBRTest() {
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.g_lag_in_frames = 0;

	::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 140);
	const int bitrate_array[2] = { 150, 550 };
	cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
	<< " The datarate for the file is greater than target by too much!";
	}

	virtual void BasicRateTargetingMTCBRTest() {
	::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
	1, 0, 400);
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.g_lag_in_frames = 0;
	cfg_.g_threads = 4;

	const int bitrate_array[2] = { 250, 650 };
	cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
	ResetModel();
	tile_column_ = 2;
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
	effective_datarate_ * 0.85)
	<< " The datarate for the file exceeds the target by too much!";
	ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
	effective_datarate_ * 1.15)
	<< " The datarate for the file missed the target!"
	<< cfg_.rc_target_bitrate << " " << effective_datarate_;
	}

	virtual void ErrorResilienceOnSceneCuts() {
	if (GET_PARAM(4) > 0) return;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 0;
	cfg_.g_error_resilient = 1;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.g_lag_in_frames = 0;

	::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 300);
	cfg_.rc_target_bitrate = 500;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
	<< " The datarate for the file is greater than target by too much!";
	}

	virtual void BasicRateTargetingCBRPeriodicKeyFrameTest() {
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.g_lag_in_frames = 0;
	// Periodic keyframe
	cfg_.kf_max_dist = 50;

	::libaom_test::I420VideoSource video("pixel_capture_w320h240.yuv", 320, 240,
	30, 1, 0, 310);
	const int bitrate_array[2] = { 150, 550 };
	cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
	<< " The datarate for the file is greater than target by too much!";
	}

	virtual void CBRPeriodicKeyFrameOnSceneCuts() {
	if (GET_PARAM(4) > 0) return;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 0;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.g_lag_in_frames = 0;
	// Periodic keyframe
	cfg_.kf_max_dist = 30;
	cfg_.kf_min_dist = 30;

	::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 300);
	cfg_.rc_target_bitrate = 500;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.3)
	<< " The datarate for the file is greater than target by too much!";
	}

	virtual void BasicRateTargetingAQModeOnOffCBRTest() {
	if (GET_PARAM(4) > 0) return;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 0;
	cfg_.rc_min_quantizer = 2;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.g_lag_in_frames = 0;
	cfg_.g_error_resilient = 0;
	cfg_.g_pass = AOM_RC_ONE_PASS;
	cfg_.g_usage = AOM_USAGE_REALTIME;
	cfg_.kf_mode = AOM_KF_DISABLED;

	::libaom_test::I420VideoSource video("pixel_capture_w320h240.yuv", 320, 240,
	30, 1, 0, 310);
	cfg_.rc_target_bitrate = 60;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.15)
	<< " The datarate for the file is greater than target by too much!";
	}

	virtual void BasicRateTargeting444CBRTest() {
	::libaom_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 140);

	cfg_.g_profile = 1;
	cfg_.g_timebase = video.timebase();

	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 63;
	cfg_.rc_end_usage = AOM_CBR;

	const int bitrate_array[2] = { 250, 650 };
	cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
	effective_datarate_ * 0.85)
	<< " The datarate for the file exceeds the target by too much!";
	ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
	effective_datarate_ * 1.15)
	<< " The datarate for the file missed the target!"
	<< cfg_.rc_target_bitrate << " " << effective_datarate_;
	}
	};

	// Params: test mode, speed, aq mode.
	class DatarateTestFrameDropLarge
	: public ::libaom_test::CodecTestWith3Params<libaom_test::TestMode, int,
	unsigned int>,
	public DatarateTest {
	public:
	DatarateTestFrameDropLarge() : DatarateTest(GET_PARAM(0)) {
	set_cpu_used_ = GET_PARAM(2);
	aq_mode_ = GET_PARAM(3);
	}

	protected:
	virtual ~DatarateTestFrameDropLarge() {}

	virtual void SetUp() {
	InitializeConfig(GET_PARAM(1));
	ResetModel();
	}

	virtual void ChangingDropFrameThreshTest() {
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_undershoot_pct = 20;
	cfg_.rc_undershoot_pct = 20;
	cfg_.rc_dropframe_thresh = 10;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 50;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.rc_target_bitrate = 200;
	cfg_.g_lag_in_frames = 0;
	cfg_.g_error_resilient = 1;
	// TODO(marpan): Investigate datarate target failures with a smaller
	// keyframe interval (128).
	cfg_.kf_max_dist = 9999;

	::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 100);

	const int kDropFrameThreshTestStep = 30;
	aom_codec_pts_t last_drop = 140;
	int last_num_drops = 0;
	for (int i = 40; i < 100; i += kDropFrameThreshTestStep) {
	cfg_.rc_dropframe_thresh = i;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.85)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.17)
	<< " The datarate for the file is greater than target by too much!";
	if (last_drop > 0) {
	ASSERT_LE(first_drop_, last_drop)
	<< " The first dropped frame for drop_thresh " << i
	<< " > first dropped frame for drop_thresh "
	<< i - kDropFrameThreshTestStep;
	}
	ASSERT_GE(num_drops_, last_num_drops * 0.7)
	<< " The number of dropped frames for drop_thresh " << i
	<< " < number of dropped frames for drop_thresh "
	<< i - kDropFrameThreshTestStep;
	last_drop = first_drop_;
	last_num_drops = num_drops_;
	}
	}
	};

	// Check basic rate targeting for VBR mode.
	TEST_P(DatarateTestLarge, BasicRateTargetingVBR) {
	BasicRateTargetingVBRTest();
	}

	// Check basic rate targeting for CBR.
	TEST_P(DatarateTestLarge, BasicRateTargetingCBR) {
	BasicRateTargetingCBRTest();
	}

	// Check basic rate targeting for CBR, with 4 threads
	TEST_P(DatarateTestLarge, BasicRateTargetingMTCBR) {
	BasicRateTargetingMTCBRTest();
	}

	// Check basic rate targeting for periodic key frame.
	TEST_P(DatarateTestLarge, PeriodicKeyFrameCBR) {
	BasicRateTargetingCBRPeriodicKeyFrameTest();
	}

	// Check basic rate targeting for periodic key frame, aligned with scene change.
	TEST_P(DatarateTestLarge, PeriodicKeyFrameCBROnSceneCuts) {
	CBRPeriodicKeyFrameOnSceneCuts();
	}

	// Check basic rate targeting with error resilience on for scene cuts.
	TEST_P(DatarateTestLarge, ErrorResilienceOnSceneCuts) {
	ErrorResilienceOnSceneCuts();
	}

	// Check basic rate targeting for CBR.
	TEST_P(DatarateTestLarge, BasicRateTargeting444CBR) {
	BasicRateTargeting444CBRTest();
	}

	// Check that (1) the first dropped frame gets earlier and earlier
	// as the drop frame threshold is increased, and (2) that the total number of
	// frame drops does not decrease as we increase frame drop threshold.
	// Use a lower qp-max to force some frame drops.
	TEST_P(DatarateTestFrameDropLarge, ChangingDropFrameThresh) {
	ChangingDropFrameThreshTest();
	}

	TEST_P(DatarateTestLarge, BasicRateTargetingAQModeOnOffCBR) {
	BasicRateTargetingAQModeOnOffCBRTest();
	}

	class DatarateTestRealtime : public DatarateTestLarge {};

	class DatarateTestFrameDropRealtime : public DatarateTestFrameDropLarge {};

	// Params: aq mode.
	class DatarateTestSpeedChangeRealtime
	: public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode,
	unsigned int>,
	public DatarateTest {
	public:
	DatarateTestSpeedChangeRealtime() : DatarateTest(GET_PARAM(0)) {
	aq_mode_ = GET_PARAM(1);
	speed_change_test_ = true;
	}

	protected:
	virtual ~DatarateTestSpeedChangeRealtime() {}

	virtual void SetUp() {
	InitializeConfig(GET_PARAM(1));
	ResetModel();
	}

	virtual void ChangingSpeedTest() {
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_buf_optimal_sz = 500;
	cfg_.rc_buf_sz = 1000;
	cfg_.rc_undershoot_pct = 20;
	cfg_.rc_undershoot_pct = 20;
	cfg_.rc_dropframe_thresh = 10;
	cfg_.rc_min_quantizer = 0;
	cfg_.rc_max_quantizer = 50;
	cfg_.rc_end_usage = AOM_CBR;
	cfg_.rc_target_bitrate = 200;
	cfg_.g_lag_in_frames = 0;
	cfg_.g_error_resilient = 1;
	// TODO(marpan): Investigate datarate target failures with a smaller
	// keyframe interval (128).
	cfg_.kf_max_dist = 9999;
	cfg_.rc_dropframe_thresh = 0;
	::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 100);

	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(effective_datarate_, cfg_.rc_target_bitrate * 0.83)
	<< " The datarate for the file is lower than target by too much!";
	ASSERT_LE(effective_datarate_, cfg_.rc_target_bitrate * 1.20)
	<< " The datarate for the file is greater than target by too much!";
	}
	};

	// Check basic rate targeting for VBR mode.
	TEST_P(DatarateTestRealtime, BasicRateTargetingVBR) {
	BasicRateTargetingVBRTest();
	}

	// Check basic rate targeting for CBR.
	TEST_P(DatarateTestRealtime, BasicRateTargetingCBR) {
	BasicRateTargetingCBRTest();
	}

	// Check basic rate targeting for CBR, with 4 threads
	TEST_P(DatarateTestRealtime, BasicRateTargetingMTCBR) {
	BasicRateTargetingMTCBRTest();
	}

	// Check basic rate targeting for periodic key frame.
	TEST_P(DatarateTestRealtime, PeriodicKeyFrameCBR) {
	BasicRateTargetingCBRPeriodicKeyFrameTest();
	}

	// Check basic rate targeting for periodic key frame, aligned with scene change.
	TEST_P(DatarateTestRealtime, PeriodicKeyFrameCBROnSceneCuts) {
	CBRPeriodicKeyFrameOnSceneCuts();
	}

	// Check basic rate targeting with error resilience on for scene cuts.
	TEST_P(DatarateTestRealtime, ErrorResilienceOnSceneCuts) {
	ErrorResilienceOnSceneCuts();
	}

	// Check basic rate targeting for CBR.
	TEST_P(DatarateTestRealtime, BasicRateTargeting444CBR) {
	BasicRateTargeting444CBRTest();
	}

	// Check that (1) the first dropped frame gets earlier and earlier
	// as the drop frame threshold is increased, and (2) that the total number of
	// frame drops does not decrease as we increase frame drop threshold.
	// Use a lower qp-max to force some frame drops.
	TEST_P(DatarateTestFrameDropRealtime, ChangingDropFrameThresh) {
	ChangingDropFrameThreshTest();
	}

	TEST_P(DatarateTestSpeedChangeRealtime, ChangingSpeedTest) {
	ChangingSpeedTest();
	}

	AV1_INSTANTIATE_TEST_SUITE(DatarateTestLarge,
	::testing::Values(::libaom_test::kRealTime),
	::testing::Range(5, 7), ::testing::Values(0, 3),
	::testing::Values(0, 1));

	AV1_INSTANTIATE_TEST_SUITE(DatarateTestFrameDropLarge,
	::testing::Values(::libaom_test::kRealTime),
	::testing::Range(5, 7), ::testing::Values(0, 3));

	AV1_INSTANTIATE_TEST_SUITE(DatarateTestRealtime,
	::testing::Values(::libaom_test::kRealTime),
	::testing::Range(7, 10), ::testing::Values(0, 3),
	::testing::Values(0, 1));

	AV1_INSTANTIATE_TEST_SUITE(DatarateTestFrameDropRealtime,
	::testing::Values(::libaom_test::kRealTime),
	::testing::Range(7, 10), ::testing::Values(0, 3));

	AV1_INSTANTIATE_TEST_SUITE(DatarateTestSpeedChangeRealtime,
	::testing::Values(::libaom_test::kRealTime),
	::testing::Values(0, 3));

	} // namespace
	} // namespace datarate_test