src/third_party/libvpx/test/vp8_datarate_test.cc - cobalt - Git at Google

 /*
  *  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include "./vpx_config.h"
 #include "third_party/googletest/src/include/gtest/gtest.h"
 #include "test/codec_factory.h"
 #include "test/encode_test_driver.h"
 #include "test/i420_video_source.h"
 #include "test/util.h"
 #include "test/y4m_video_source.h"
 #include "vpx/vpx_codec.h"

 namespace {

 class DatarateTestLarge
     : public ::libvpx_test::EncoderTest,
       public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
  public:
   DatarateTestLarge() : EncoderTest(GET_PARAM(0)) {}

   virtual ~DatarateTestLarge() {}

  protected:
   virtual void SetUp() {
     InitializeConfig();
     SetMode(GET_PARAM(1));
     set_cpu_used_ = GET_PARAM(2);
     ResetModel();
   }

   virtual void ResetModel() {
     last_pts_ = 0;
     bits_in_buffer_model_ = cfg_.rc_target_bitrate * cfg_.rc_buf_initial_sz;
     frame_number_ = 0;
     first_drop_ = 0;
     bits_total_ = 0;
     duration_ = 0.0;
     denoiser_offon_test_ = 0;
     denoiser_offon_period_ = -1;
     gf_boost_ = 0;
     use_roi_ = false;
   }

   virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
                                   ::libvpx_test::Encoder *encoder) {
     if (video->frame() == 0) {
       encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
       encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
       encoder->Control(VP8E_SET_GF_CBR_BOOST_PCT, gf_boost_);
     }

     if (use_roi_) {
       encoder->Control(VP8E_SET_ROI_MAP, &roi_);
     }

     if (denoiser_offon_test_) {
       ASSERT_GT(denoiser_offon_period_, 0)
           << "denoiser_offon_period_ is not positive.";
       if ((video->frame() + 1) % denoiser_offon_period_ == 0) {
         // Flip denoiser_on_ periodically
         denoiser_on_ ^= 1;
       }
       encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
     }

     const vpx_rational_t tb = video->timebase();
     timebase_ = static_cast<double>(tb.num) / tb.den;
     duration_ = 0;
   }

   virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
     // Time since last timestamp = duration.
     vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_;

     // TODO(jimbankoski): Remove these lines when the issue:
     // http://code.google.com/p/webm/issues/detail?id=496 is fixed.
     // For now the codec assumes buffer starts at starting buffer rate
     // plus one frame's time.
     if (last_pts_ == 0) duration = 1;

     // Add to the buffer the bits we'd expect from a constant bitrate server.
     bits_in_buffer_model_ += static_cast<int64_t>(
         duration * timebase_ * cfg_.rc_target_bitrate * 1000);

     /* Test the buffer model here before subtracting the frame. Do so because
      * the way the leaky bucket model works in libvpx is to allow the buffer to
      * empty - and then stop showing frames until we've got enough bits to
      * show one. As noted in comment below (issue 495), this does not currently
      * apply to key frames. For now exclude key frames in condition below. */
     const bool key_frame =
         (pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? true : false;
     if (!key_frame) {
       ASSERT_GE(bits_in_buffer_model_, 0)
           << "Buffer Underrun at frame " << pkt->data.frame.pts;
     }

     const int64_t frame_size_in_bits = pkt->data.frame.sz * 8;

     // Subtract from the buffer the bits associated with a played back frame.
     bits_in_buffer_model_ -= frame_size_in_bits;

     // Update the running total of bits for end of test datarate checks.
     bits_total_ += frame_size_in_bits;

     // If first drop not set and we have a drop set it to this time.
     if (!first_drop_ && duration > 1) first_drop_ = last_pts_ + 1;

     // Update the most recent pts.
     last_pts_ = pkt->data.frame.pts;

     // We update this so that we can calculate the datarate minus the last
     // frame encoded in the file.
     bits_in_last_frame_ = frame_size_in_bits;

     ++frame_number_;
   }

   virtual void EndPassHook(void) {
     if (bits_total_) {
       const double file_size_in_kb = bits_total_ / 1000.;  // bits per kilobit

       duration_ = (last_pts_ + 1) * timebase_;

       // Effective file datarate includes the time spent prebuffering.
       effective_datarate_ = (bits_total_ - bits_in_last_frame_) / 1000.0 /
                             (cfg_.rc_buf_initial_sz / 1000.0 + duration_);

       file_datarate_ = file_size_in_kb / duration_;
     }
   }

   virtual void DenoiserLevelsTest() {
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_max_quantizer = 56;
     cfg_.rc_end_usage = VPX_CBR;
     ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 140);
     for (int j = 1; j < 5; ++j) {
       // Run over the denoiser levels.
       // For the temporal denoiser (#if CONFIG_TEMPORAL_DENOISING) the level j
       // refers to the 4 denoiser modes: denoiserYonly, denoiserOnYUV,
       // denoiserOnAggressive, and denoiserOnAdaptive.
       denoiser_on_ = j;
       cfg_.rc_target_bitrate = 300;
       ResetModel();
       ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
       ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
           << " The datarate for the file exceeds the target!";

       ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
           << " The datarate for the file missed the target!";
     }
   }

   virtual void DenoiserOffOnTest() {
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_max_quantizer = 56;
     cfg_.rc_end_usage = VPX_CBR;
     ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 299);
     cfg_.rc_target_bitrate = 300;
     ResetModel();
     // The denoiser is off by default.
     denoiser_on_ = 0;
     // Set the offon test flag.
     denoiser_offon_test_ = 1;
     denoiser_offon_period_ = 100;
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
         << " The datarate for the file exceeds the target!";
     ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
         << " The datarate for the file missed the target!";
   }

   virtual void BasicBufferModelTest() {
     denoiser_on_ = 0;
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_dropframe_thresh = 1;
     cfg_.rc_max_quantizer = 56;
     cfg_.rc_end_usage = VPX_CBR;
     // 2 pass cbr datarate control has a bug hidden by the small # of
     // frames selected in this encode. The problem is that even if the buffer is
     // negative we produce a keyframe on a cutscene. Ignoring datarate
     // constraints
     // TODO(jimbankoski): ( Fix when issue
     // http://code.google.com/p/webm/issues/detail?id=495 is addressed. )
     ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 140);

     // There is an issue for low bitrates in real-time mode, where the
     // effective_datarate slightly overshoots the target bitrate.
     // This is same the issue as noted about (#495).
     // TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100),
     // when the issue is resolved.
     for (int i = 100; i < 800; i += 200) {
       cfg_.rc_target_bitrate = i;
       ResetModel();
       ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
       ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
           << " The datarate for the file exceeds the target!";
       ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
           << " The datarate for the file missed the target!";
     }
   }

   virtual void ChangingDropFrameThreshTest() {
     denoiser_on_ = 0;
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_max_quantizer = 36;
     cfg_.rc_end_usage = VPX_CBR;
     cfg_.rc_target_bitrate = 200;
     cfg_.kf_mode = VPX_KF_DISABLED;

     const int frame_count = 40;
     ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, frame_count);

     // Here we check that the first dropped frame gets earlier and earlier
     // as the drop frame threshold is increased.

     const int kDropFrameThreshTestStep = 30;
     vpx_codec_pts_t last_drop = frame_count;
     for (int i = 1; i < 91; i += kDropFrameThreshTestStep) {
       cfg_.rc_dropframe_thresh = i;
       ResetModel();
       ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
       ASSERT_LE(first_drop_, last_drop)
           << " The first dropped frame for drop_thresh " << i
           << " > first dropped frame for drop_thresh "
           << i - kDropFrameThreshTestStep;
       last_drop = first_drop_;
     }
   }

   virtual void DropFramesMultiThreadsTest() {
     denoiser_on_ = 0;
     cfg_.rc_buf_initial_sz = 500;
     cfg_.rc_dropframe_thresh = 30;
     cfg_.rc_max_quantizer = 56;
     cfg_.rc_end_usage = VPX_CBR;
     cfg_.g_threads = 2;

     ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                          288, 30, 1, 0, 140);
     cfg_.rc_target_bitrate = 200;
     ResetModel();
     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
     ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
         << " The datarate for the file exceeds the target!";

     ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
         << " The datarate for the file missed the target!";
   }

   vpx_codec_pts_t last_pts_;
   int64_t bits_in_buffer_model_;
   double timebase_;
   int frame_number_;
   vpx_codec_pts_t first_drop_;
   int64_t bits_total_;
   double duration_;
   double file_datarate_;
   double effective_datarate_;
   int64_t bits_in_last_frame_;
   int denoiser_on_;
   int denoiser_offon_test_;
   int denoiser_offon_period_;
   int set_cpu_used_;
   int gf_boost_;
   bool use_roi_;
   vpx_roi_map_t roi_;
 };

 #if CONFIG_TEMPORAL_DENOISING
 // Check basic datarate targeting, for a single bitrate, but loop over the
 // various denoiser settings.
 TEST_P(DatarateTestLarge, DenoiserLevels) { DenoiserLevelsTest(); }

 // Check basic datarate targeting, for a single bitrate, when denoiser is off
 // and on.
 TEST_P(DatarateTestLarge, DenoiserOffOn) { DenoiserOffOnTest(); }
 #endif  // CONFIG_TEMPORAL_DENOISING

 TEST_P(DatarateTestLarge, BasicBufferModel) { BasicBufferModelTest(); }

 TEST_P(DatarateTestLarge, ChangingDropFrameThresh) {
   ChangingDropFrameThreshTest();
 }

 TEST_P(DatarateTestLarge, DropFramesMultiThreads) {
   DropFramesMultiThreadsTest();
 }

 class DatarateTestRealTime : public DatarateTestLarge {
  public:
   virtual ~DatarateTestRealTime() {}
 };

 #if CONFIG_TEMPORAL_DENOISING
 // Check basic datarate targeting, for a single bitrate, but loop over the
 // various denoiser settings.
 TEST_P(DatarateTestRealTime, DenoiserLevels) { DenoiserLevelsTest(); }

 // Check basic datarate targeting, for a single bitrate, when denoiser is off
 // and on.
 TEST_P(DatarateTestRealTime, DenoiserOffOn) {}
 #endif  // CONFIG_TEMPORAL_DENOISING

 TEST_P(DatarateTestRealTime, BasicBufferModel) { BasicBufferModelTest(); }

 TEST_P(DatarateTestRealTime, ChangingDropFrameThresh) {
   ChangingDropFrameThreshTest();
 }

 TEST_P(DatarateTestRealTime, DropFramesMultiThreads) {
   DropFramesMultiThreadsTest();
 }

 TEST_P(DatarateTestRealTime, RegionOfInterest) {
   denoiser_on_ = 0;
   cfg_.rc_buf_initial_sz = 500;
   cfg_.rc_dropframe_thresh = 0;
   cfg_.rc_max_quantizer = 56;
   cfg_.rc_end_usage = VPX_CBR;
   // Encode using multiple threads.
   cfg_.g_threads = 2;

   ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                        30, 1, 0, 300);
   cfg_.rc_target_bitrate = 450;
   cfg_.g_w = 352;
   cfg_.g_h = 288;

   ResetModel();

   // Set ROI parameters
   use_roi_ = true;
   memset(&roi_, 0, sizeof(roi_));

   roi_.rows = (cfg_.g_h + 15) / 16;
   roi_.cols = (cfg_.g_w + 15) / 16;

   roi_.delta_q[0] = 0;
   roi_.delta_q[1] = -20;
   roi_.delta_q[2] = 0;
   roi_.delta_q[3] = 0;

   roi_.delta_lf[0] = 0;
   roi_.delta_lf[1] = -20;
   roi_.delta_lf[2] = 0;
   roi_.delta_lf[3] = 0;

   roi_.static_threshold[0] = 0;
   roi_.static_threshold[1] = 1000;
   roi_.static_threshold[2] = 0;
   roi_.static_threshold[3] = 0;

   // Use 2 states: 1 is center square, 0 is the rest.
   roi_.roi_map =
       (uint8_t *)calloc(roi_.rows * roi_.cols, sizeof(*roi_.roi_map));
   for (unsigned int i = 0; i < roi_.rows; ++i) {
     for (unsigned int j = 0; j < roi_.cols; ++j) {
       if (i > (roi_.rows >> 2) && i < ((roi_.rows * 3) >> 2) &&
           j > (roi_.cols >> 2) && j < ((roi_.cols * 3) >> 2)) {
         roi_.roi_map[i * roi_.cols + j] = 1;
       }
     }
   }

   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
       << " The datarate for the file exceeds the target!";

   ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
       << " The datarate for the file missed the target!";

   free(roi_.roi_map);
 }

 TEST_P(DatarateTestRealTime, GFBoost) {
   denoiser_on_ = 0;
   cfg_.rc_buf_initial_sz = 500;
   cfg_.rc_dropframe_thresh = 0;
   cfg_.rc_max_quantizer = 56;
   cfg_.rc_end_usage = VPX_CBR;
   cfg_.g_error_resilient = 0;

   ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
                                        30, 1, 0, 300);
   cfg_.rc_target_bitrate = 300;
   ResetModel();
   // Apply a gf boost.
   gf_boost_ = 50;

   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
       << " The datarate for the file exceeds the target!";

   ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
       << " The datarate for the file missed the target!";
 }

 TEST_P(DatarateTestRealTime, NV12) {
   denoiser_on_ = 0;
   cfg_.rc_buf_initial_sz = 500;
   cfg_.rc_dropframe_thresh = 0;
   cfg_.rc_max_quantizer = 56;
   cfg_.rc_end_usage = VPX_CBR;
   cfg_.g_error_resilient = 0;
   ::libvpx_test::YUVVideoSource video("hantro_collage_w352h288_nv12.yuv",
                                       VPX_IMG_FMT_NV12, 352, 288, 30, 1, 0,
                                       100);

   cfg_.rc_target_bitrate = 200;
   ResetModel();

   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
       << " The datarate for the file exceeds the target!";

   ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
       << " The datarate for the file missed the target!";
 }

 VP8_INSTANTIATE_TEST_SUITE(DatarateTestLarge, ALL_TEST_MODES,
                            ::testing::Values(0));
 VP8_INSTANTIATE_TEST_SUITE(DatarateTestRealTime,
                            ::testing::Values(::libvpx_test::kRealTime),
                            ::testing::Values(-6, -12));
 }  // namespace
	/*
	* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
	*
	* Use of this source code is governed by a BSD-style license
	* that can be found in the LICENSE file in the root of the source
	* tree. An additional intellectual property rights grant can be found
	* in the file PATENTS. All contributing project authors may
	* be found in the AUTHORS file in the root of the source tree.
	*/
	#include "./vpx_config.h"
	#include "third_party/googletest/src/include/gtest/gtest.h"
	#include "test/codec_factory.h"
	#include "test/encode_test_driver.h"
	#include "test/i420_video_source.h"
	#include "test/util.h"
	#include "test/y4m_video_source.h"
	#include "vpx/vpx_codec.h"

	namespace {

	class DatarateTestLarge
	: public ::libvpx_test::EncoderTest,
	public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
	public:
	DatarateTestLarge() : EncoderTest(GET_PARAM(0)) {}

	virtual ~DatarateTestLarge() {}

	protected:
	virtual void SetUp() {
	InitializeConfig();
	SetMode(GET_PARAM(1));
	set_cpu_used_ = GET_PARAM(2);
	ResetModel();
	}

	virtual void ResetModel() {
	last_pts_ = 0;
	bits_in_buffer_model_ = cfg_.rc_target_bitrate * cfg_.rc_buf_initial_sz;
	frame_number_ = 0;
	first_drop_ = 0;
	bits_total_ = 0;
	duration_ = 0.0;
	denoiser_offon_test_ = 0;
	denoiser_offon_period_ = -1;
	gf_boost_ = 0;
	use_roi_ = false;
	}

	virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
	::libvpx_test::Encoder *encoder) {
	if (video->frame() == 0) {
	encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
	encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
	encoder->Control(VP8E_SET_GF_CBR_BOOST_PCT, gf_boost_);
	}

	if (use_roi_) {
	encoder->Control(VP8E_SET_ROI_MAP, &roi_);
	}

	if (denoiser_offon_test_) {
	ASSERT_GT(denoiser_offon_period_, 0)
	<< "denoiser_offon_period_ is not positive.";
	if ((video->frame() + 1) % denoiser_offon_period_ == 0) {
	// Flip denoiser_on_ periodically
	denoiser_on_ ^= 1;
	}
	encoder->Control(VP8E_SET_NOISE_SENSITIVITY, denoiser_on_);
	}

	const vpx_rational_t tb = video->timebase();
	timebase_ = static_cast<double>(tb.num) / tb.den;
	duration_ = 0;
	}

	virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
	// Time since last timestamp = duration.
	vpx_codec_pts_t duration = pkt->data.frame.pts - last_pts_;

	// TODO(jimbankoski): Remove these lines when the issue:
	// http://code.google.com/p/webm/issues/detail?id=496 is fixed.
	// For now the codec assumes buffer starts at starting buffer rate
	// plus one frame's time.
	if (last_pts_ == 0) duration = 1;

	// Add to the buffer the bits we'd expect from a constant bitrate server.
	bits_in_buffer_model_ += static_cast<int64_t>(
	duration * timebase_ * cfg_.rc_target_bitrate * 1000);

	/* Test the buffer model here before subtracting the frame. Do so because
	* the way the leaky bucket model works in libvpx is to allow the buffer to
	* empty - and then stop showing frames until we've got enough bits to
	* show one. As noted in comment below (issue 495), this does not currently
	* apply to key frames. For now exclude key frames in condition below. */
	const bool key_frame =
	(pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? true : false;
	if (!key_frame) {
	ASSERT_GE(bits_in_buffer_model_, 0)
	<< "Buffer Underrun at frame " << pkt->data.frame.pts;
	}

	const int64_t frame_size_in_bits = pkt->data.frame.sz * 8;

	// Subtract from the buffer the bits associated with a played back frame.
	bits_in_buffer_model_ -= frame_size_in_bits;

	// Update the running total of bits for end of test datarate checks.
	bits_total_ += frame_size_in_bits;

	// If first drop not set and we have a drop set it to this time.
	if (!first_drop_ && duration > 1) first_drop_ = last_pts_ + 1;

	// Update the most recent pts.
	last_pts_ = pkt->data.frame.pts;

	// We update this so that we can calculate the datarate minus the last
	// frame encoded in the file.
	bits_in_last_frame_ = frame_size_in_bits;

	++frame_number_;
	}

	virtual void EndPassHook(void) {
	if (bits_total_) {
	const double file_size_in_kb = bits_total_ / 1000.; // bits per kilobit

	duration_ = (last_pts_ + 1) * timebase_;

	// Effective file datarate includes the time spent prebuffering.
	effective_datarate_ = (bits_total_ - bits_in_last_frame_) / 1000.0 /
	(cfg_.rc_buf_initial_sz / 1000.0 + duration_);

	file_datarate_ = file_size_in_kb / duration_;
	}
	}

	virtual void DenoiserLevelsTest() {
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 140);
	for (int j = 1; j < 5; ++j) {
	// Run over the denoiser levels.
	// For the temporal denoiser (#if CONFIG_TEMPORAL_DENOISING) the level j
	// refers to the 4 denoiser modes: denoiserYonly, denoiserOnYUV,
	// denoiserOnAggressive, and denoiserOnAdaptive.
	denoiser_on_ = j;
	cfg_.rc_target_bitrate = 300;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";

	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";
	}
	}

	virtual void DenoiserOffOnTest() {
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 299);
	cfg_.rc_target_bitrate = 300;
	ResetModel();
	// The denoiser is off by default.
	denoiser_on_ = 0;
	// Set the offon test flag.
	denoiser_offon_test_ = 1;
	denoiser_offon_period_ = 100;
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";
	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";
	}

	virtual void BasicBufferModelTest() {
	denoiser_on_ = 0;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 1;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	// 2 pass cbr datarate control has a bug hidden by the small # of
	// frames selected in this encode. The problem is that even if the buffer is
	// negative we produce a keyframe on a cutscene. Ignoring datarate
	// constraints
	// TODO(jimbankoski): ( Fix when issue
	// http://code.google.com/p/webm/issues/detail?id=495 is addressed. )
	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 140);

	// There is an issue for low bitrates in real-time mode, where the
	// effective_datarate slightly overshoots the target bitrate.
	// This is same the issue as noted about (#495).
	// TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100),
	// when the issue is resolved.
	for (int i = 100; i < 800; i += 200) {
	cfg_.rc_target_bitrate = i;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";
	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";
	}
	}

	virtual void ChangingDropFrameThreshTest() {
	denoiser_on_ = 0;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_max_quantizer = 36;
	cfg_.rc_end_usage = VPX_CBR;
	cfg_.rc_target_bitrate = 200;
	cfg_.kf_mode = VPX_KF_DISABLED;

	const int frame_count = 40;
	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, frame_count);

	// Here we check that the first dropped frame gets earlier and earlier
	// as the drop frame threshold is increased.

	const int kDropFrameThreshTestStep = 30;
	vpx_codec_pts_t last_drop = frame_count;
	for (int i = 1; i < 91; i += kDropFrameThreshTestStep) {
	cfg_.rc_dropframe_thresh = i;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_LE(first_drop_, last_drop)
	<< " The first dropped frame for drop_thresh " << i
	<< " > first dropped frame for drop_thresh "
	<< i - kDropFrameThreshTestStep;
	last_drop = first_drop_;
	}
	}

	virtual void DropFramesMultiThreadsTest() {
	denoiser_on_ = 0;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 30;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	cfg_.g_threads = 2;

	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
	288, 30, 1, 0, 140);
	cfg_.rc_target_bitrate = 200;
	ResetModel();
	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";

	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";
	}

	vpx_codec_pts_t last_pts_;
	int64_t bits_in_buffer_model_;
	double timebase_;
	int frame_number_;
	vpx_codec_pts_t first_drop_;
	int64_t bits_total_;
	double duration_;
	double file_datarate_;
	double effective_datarate_;
	int64_t bits_in_last_frame_;
	int denoiser_on_;
	int denoiser_offon_test_;
	int denoiser_offon_period_;
	int set_cpu_used_;
	int gf_boost_;
	bool use_roi_;
	vpx_roi_map_t roi_;
	};

	#if CONFIG_TEMPORAL_DENOISING
	// Check basic datarate targeting, for a single bitrate, but loop over the
	// various denoiser settings.
	TEST_P(DatarateTestLarge, DenoiserLevels) { DenoiserLevelsTest(); }

	// Check basic datarate targeting, for a single bitrate, when denoiser is off
	// and on.
	TEST_P(DatarateTestLarge, DenoiserOffOn) { DenoiserOffOnTest(); }
	#endif // CONFIG_TEMPORAL_DENOISING

	TEST_P(DatarateTestLarge, BasicBufferModel) { BasicBufferModelTest(); }

	TEST_P(DatarateTestLarge, ChangingDropFrameThresh) {
	ChangingDropFrameThreshTest();
	}

	TEST_P(DatarateTestLarge, DropFramesMultiThreads) {
	DropFramesMultiThreadsTest();
	}

	class DatarateTestRealTime : public DatarateTestLarge {
	public:
	virtual ~DatarateTestRealTime() {}
	};

	#if CONFIG_TEMPORAL_DENOISING
	// Check basic datarate targeting, for a single bitrate, but loop over the
	// various denoiser settings.
	TEST_P(DatarateTestRealTime, DenoiserLevels) { DenoiserLevelsTest(); }

	// Check basic datarate targeting, for a single bitrate, when denoiser is off
	// and on.
	TEST_P(DatarateTestRealTime, DenoiserOffOn) {}
	#endif // CONFIG_TEMPORAL_DENOISING

	TEST_P(DatarateTestRealTime, BasicBufferModel) { BasicBufferModelTest(); }

	TEST_P(DatarateTestRealTime, ChangingDropFrameThresh) {
	ChangingDropFrameThreshTest();
	}

	TEST_P(DatarateTestRealTime, DropFramesMultiThreads) {
	DropFramesMultiThreadsTest();
	}

	TEST_P(DatarateTestRealTime, RegionOfInterest) {
	denoiser_on_ = 0;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 0;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	// Encode using multiple threads.
	cfg_.g_threads = 2;

	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
	30, 1, 0, 300);
	cfg_.rc_target_bitrate = 450;
	cfg_.g_w = 352;
	cfg_.g_h = 288;

	ResetModel();

	// Set ROI parameters
	use_roi_ = true;
	memset(&roi_, 0, sizeof(roi_));

	roi_.rows = (cfg_.g_h + 15) / 16;
	roi_.cols = (cfg_.g_w + 15) / 16;

	roi_.delta_q[0] = 0;
	roi_.delta_q[1] = -20;
	roi_.delta_q[2] = 0;
	roi_.delta_q[3] = 0;

	roi_.delta_lf[0] = 0;
	roi_.delta_lf[1] = -20;
	roi_.delta_lf[2] = 0;
	roi_.delta_lf[3] = 0;

	roi_.static_threshold[0] = 0;
	roi_.static_threshold[1] = 1000;
	roi_.static_threshold[2] = 0;
	roi_.static_threshold[3] = 0;

	// Use 2 states: 1 is center square, 0 is the rest.
	roi_.roi_map =
	(uint8_t )calloc(roi_.rows roi_.cols, sizeof(*roi_.roi_map));
	for (unsigned int i = 0; i < roi_.rows; ++i) {
	for (unsigned int j = 0; j < roi_.cols; ++j) {
	if (i > (roi_.rows >> 2) && i < ((roi_.rows * 3) >> 2) &&
	j > (roi_.cols >> 2) && j < ((roi_.cols * 3) >> 2)) {
	roi_.roi_map[i * roi_.cols + j] = 1;
	}
	}
	}

	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";

	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";

	free(roi_.roi_map);
	}

	TEST_P(DatarateTestRealTime, GFBoost) {
	denoiser_on_ = 0;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 0;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	cfg_.g_error_resilient = 0;

	::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
	30, 1, 0, 300);
	cfg_.rc_target_bitrate = 300;
	ResetModel();
	// Apply a gf boost.
	gf_boost_ = 50;

	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";

	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";
	}

	TEST_P(DatarateTestRealTime, NV12) {
	denoiser_on_ = 0;
	cfg_.rc_buf_initial_sz = 500;
	cfg_.rc_dropframe_thresh = 0;
	cfg_.rc_max_quantizer = 56;
	cfg_.rc_end_usage = VPX_CBR;
	cfg_.g_error_resilient = 0;
	::libvpx_test::YUVVideoSource video("hantro_collage_w352h288_nv12.yuv",
	VPX_IMG_FMT_NV12, 352, 288, 30, 1, 0,
	100);

	cfg_.rc_target_bitrate = 200;
	ResetModel();

	ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
	ASSERT_GE(cfg_.rc_target_bitrate, effective_datarate_ * 0.95)
	<< " The datarate for the file exceeds the target!";

	ASSERT_LE(cfg_.rc_target_bitrate, file_datarate_ * 1.4)
	<< " The datarate for the file missed the target!";
	}

	VP8_INSTANTIATE_TEST_SUITE(DatarateTestLarge, ALL_TEST_MODES,
	::testing::Values(0));
	VP8_INSTANTIATE_TEST_SUITE(DatarateTestRealTime,
	::testing::Values(::libvpx_test::kRealTime),
	::testing::Values(-6, -12));
	} // namespace