shithub: libvpx

--- a/test/datarate_test.cc

+++ /dev/null

@@ -1,2343 +1,0 @@

-/*

- *  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_;

-    }

-  }

-  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) {

-  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!";

-  }

-}

-// Check basic datarate targeting, for a single bitrate, when denoiser is off

-// and on.

-TEST_P(DatarateTestLarge, DenoiserOffOn) {

-  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!";

-}

-#endif  // CONFIG_TEMPORAL_DENOISING

-TEST_P(DatarateTestLarge, BasicBufferModel) {

-  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!";

-  }

-}

-TEST_P(DatarateTestLarge, ChangingDropFrameThresh) {

-  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_;

-  }

-}

-TEST_P(DatarateTestLarge, DropFramesMultiThreads) {

-  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!";

-}

-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) {

-  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!";

-  }

-}

-// Check basic datarate targeting, for a single bitrate, when denoiser is off

-// and on.

-TEST_P(DatarateTestRealTime, DenoiserOffOn) {

-  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!";

-}

-#endif  // CONFIG_TEMPORAL_DENOISING

-TEST_P(DatarateTestRealTime, BasicBufferModel) {

-  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://bugs.chromium.org/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 above (#495).

-  // TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100),

-  // when the issue is resolved.

-  for (int i = 100; i <= 700; 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!";

-  }

-}

-TEST_P(DatarateTestRealTime, ChangingDropFrameThresh) {

-  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);

-  // 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_;

-  }

-}

-TEST_P(DatarateTestRealTime, DropFramesMultiThreads) {

-  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;

-  // Encode using multiple threads.

-  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!";

-}

-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!";

-}

-class DatarateTestVP9Large

-    : public ::libvpx_test::EncoderTest,

-      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {

- public:

-  DatarateTestVP9Large() : EncoderTest(GET_PARAM(0)) {}

- protected:

-  virtual ~DatarateTestVP9Large() {}

-  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;

-    tot_frame_number_ = 0;

-    first_drop_ = 0;

-    num_drops_ = 0;

-    // Denoiser is off by default.

-    denoiser_on_ = 0;

-    // For testing up to 3 layers.

-    for (int i = 0; i < 3; ++i) {

-      bits_total_[i] = 0;

-    }

-    denoiser_offon_test_ = 0;

-    denoiser_offon_period_ = -1;

-    frame_parallel_decoding_mode_ = 1;

-    use_roi_ = false;

-  }

-  //

-  // Frame flags and layer id for temporal layers.

-  //

-  // For two layers, test pattern is:

-  //   1     3

-  // 0    2     .....

-  // For three layers, test pattern is:

-  //   1      3    5      7

-  //      2           6

-  // 0          4            ....

-  // LAST is always update on base/layer 0, GOLDEN is updated on layer 1.

-  // For this 3 layer example, the 2nd enhancement layer (layer 2) updates

-  // the altref frame.

-  int SetFrameFlags(int frame_num, int num_temp_layers) {

-    int frame_flags = 0;

-    if (num_temp_layers == 2) {

-      if (frame_num % 2 == 0) {

-        // Layer 0: predict from L and ARF, update L.

-        frame_flags =

-            VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;

-      } else {

-        // Layer 1: predict from L, G and ARF, and update G.

-        frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |

-                      VP8_EFLAG_NO_UPD_ENTROPY;

-      }

-    } else if (num_temp_layers == 3) {

-      if (frame_num % 4 == 0) {

-        // Layer 0: predict from L and ARF; update L.

-        frame_flags =

-            VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;

-      } else if ((frame_num - 2) % 4 == 0) {

-        // Layer 1: predict from L, G, ARF; update G.

-        frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;

-      } else if ((frame_num - 1) % 2 == 0) {

-        // Layer 2: predict from L, G, ARF; update ARF.

-        frame_flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_LAST;

-      }

-    }

-    return frame_flags;

-  }

-  int SetLayerId(int frame_num, int num_temp_layers) {

-    int layer_id = 0;

-    if (num_temp_layers == 2) {

-      if (frame_num % 2 == 0) {

-        layer_id = 0;

-      } else {

-        layer_id = 1;

-      }

-    } else if (num_temp_layers == 3) {

-      if (frame_num % 4 == 0) {

-        layer_id = 0;

-      } else if ((frame_num - 2) % 4 == 0) {

-        layer_id = 1;

-      } else if ((frame_num - 1) % 2 == 0) {

-        layer_id = 2;

-      }

-    }

-    return layer_id;

-  }

-  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,

-                                  ::libvpx_test::Encoder *encoder) {

-    if (video->frame() == 0) encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);

-    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(VP9E_SET_NOISE_SENSITIVITY, denoiser_on_);

-    encoder->Control(VP9E_SET_TILE_COLUMNS, (cfg_.g_threads >> 1));

-    encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING,

-                     frame_parallel_decoding_mode_);

-    if (use_roi_) {

-      encoder->Control(VP9E_SET_ROI_MAP, &roi_);

-    }

-    if (cfg_.ts_number_layers > 1) {

-      if (video->frame() == 0) {

-        encoder->Control(VP9E_SET_SVC, 1);

-      }

-      vpx_svc_layer_id_t layer_id;

-      layer_id.spatial_layer_id = 0;

-      frame_flags_ = SetFrameFlags(video->frame(), cfg_.ts_number_layers);

-      layer_id.temporal_layer_id =

-          SetLayerId(video->frame(), cfg_.ts_number_layers);

-      encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);

-    }

-    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_;

-    if (duration > 1) {

-      // If first drop not set and we have a drop set it to this time.

-      if (!first_drop_) first_drop_ = last_pts_ + 1;

-      // Update the number of frame drops.

-      num_drops_ += static_cast<int>(duration - 1);

-      // Update counter for total number of frames (#frames input to encoder).

-      // Needed for setting the proper layer_id below.

-      tot_frame_number_ += static_cast<int>(duration - 1);

-    }

-    int layer = SetLayerId(tot_frame_number_, cfg_.ts_number_layers);

-    // 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);

-    // Buffer should not go negative.

-    ASSERT_GE(bits_in_buffer_model_, 0)

-        << "Buffer Underrun at frame " << pkt->data.frame.pts;

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

-    // Update the total encoded bits. For temporal layers, update the cumulative

-    // encoded bits per layer.

-    for (int i = layer; i < static_cast<int>(cfg_.ts_number_layers); ++i) {

-      bits_total_[i] += frame_size_in_bits;

-    }

-    // Update the most recent pts.

-    last_pts_ = pkt->data.frame.pts;

-    ++frame_number_;

-    ++tot_frame_number_;

-  }

-  virtual void EndPassHook(void) {

-    for (int layer = 0; layer < static_cast<int>(cfg_.ts_number_layers);

-         ++layer) {

-      duration_ = (last_pts_ + 1) * timebase_;

-      if (bits_total_[layer]) {

-        // Effective file datarate:

-        effective_datarate_[layer] = (bits_total_[layer] / 1000.0) / duration_;

-      }

-    }

-  }

-  vpx_codec_pts_t last_pts_;

-  double timebase_;

-  int frame_number_;      // Counter for number of non-dropped/encoded frames.

-  int tot_frame_number_;  // Counter for total number of input frames.

-  int64_t bits_total_[3];

-  double duration_;

-  double effective_datarate_[3];

-  int set_cpu_used_;

-  int64_t bits_in_buffer_model_;

-  vpx_codec_pts_t first_drop_;

-  int num_drops_;

-  int denoiser_on_;

-  int denoiser_offon_test_;

-  int denoiser_offon_period_;

-  int frame_parallel_decoding_mode_;

-  bool use_roi_;

-  vpx_roi_map_t roi_;

-};

-// Check basic rate targeting for VBR mode with 0 lag.

-TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagZero) {

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.g_error_resilient = 0;

-  cfg_.rc_end_usage = VPX_VBR;

-  cfg_.g_lag_in_frames = 0;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 300);

-  for (int i = 400; i <= 800; i += 400) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.75)

-        << " The datarate for the file is lower than target by too much!";

-    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.30)

-        << " The datarate for the file is greater than target by too much!";

-  }

-}

-// Check basic rate targeting for VBR mode with non-zero lag.

-TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagNonZero) {

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.g_error_resilient = 0;

-  cfg_.rc_end_usage = VPX_VBR;

-  // For non-zero lag, rate control will work (be within bounds) for

-  // real-time mode.

-  if (deadline_ == VPX_DL_REALTIME) {

-    cfg_.g_lag_in_frames = 15;

-  } else {

-    cfg_.g_lag_in_frames = 0;

-  }

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 300);

-  for (int i = 400; i <= 800; i += 400) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.75)

-        << " The datarate for the file is lower than target by too much!";

-    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.30)

-        << " The datarate for the file is greater than target by too much!";

-  }

-}

-// Check basic rate targeting for VBR mode with non-zero lag, with

-// frame_parallel_decoding_mode off. This enables the adapt_coeff/mode/mv probs

-// since error_resilience is off.

-TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagNonZeroFrameParDecOff) {

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.g_error_resilient = 0;

-  cfg_.rc_end_usage = VPX_VBR;

-  // For non-zero lag, rate control will work (be within bounds) for

-  // real-time mode.

-  if (deadline_ == VPX_DL_REALTIME) {

-    cfg_.g_lag_in_frames = 15;

-  } else {

-    cfg_.g_lag_in_frames = 0;

-  }

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 300);

-  for (int i = 400; i <= 800; i += 400) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    frame_parallel_decoding_mode_ = 0;

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.75)

-        << " The datarate for the file is lower than target by too much!";

-    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.30)

-        << " The datarate for the file is greater than target by too much!";

-  }

-}

-// Check basic rate targeting for CBR mode.

-TEST_P(DatarateTestVP9Large, BasicRateTargeting) {

-  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 = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 140);

-  for (int i = 150; i < 800; i += 200) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-        << " The datarate for the file is lower than target by too much!";

-    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

-        << " The datarate for the file is greater than target by too much!";

-  }

-}

-// Check basic rate targeting for CBR mode, with frame_parallel_decoding_mode

-// off( and error_resilience off).

-TEST_P(DatarateTestVP9Large, BasicRateTargetingFrameParDecOff) {

-  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 = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.g_error_resilient = 0;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 140);

-  for (int i = 150; i < 800; i += 200) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    frame_parallel_decoding_mode_ = 0;

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-        << " The datarate for the file is lower than target by too much!";

-    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

-        << " The datarate for the file is greater than target by too much!";

-  }

-}

-// Check basic rate targeting for CBR mode, with 2 threads and dropped frames.

-TEST_P(DatarateTestVP9Large, BasicRateTargetingDropFramesMultiThreads) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  // Encode using multiple threads.

-  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(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-      << " The datarate for the file is lower than target by too much!";

-  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

-      << " The datarate for the file is greater than target by too much!";

-}

-// Check basic rate targeting for CBR.

-TEST_P(DatarateTestVP9Large, BasicRateTargeting444) {

-  ::libvpx_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 = VPX_CBR;

-  for (int i = 250; i < 900; i += 200) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),

-              effective_datarate_[0] * 0.80)

-        << " The datarate for the file exceeds the target by too much!";

-    ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),

-              effective_datarate_[0] * 1.15)

-        << " The datarate for the file missed the target!"

-        << cfg_.rc_target_bitrate << " " << effective_datarate_;

-  }

-}

-// 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(DatarateTestVP9Large, ChangingDropFrameThresh) {

-  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 = VPX_CBR;

-  cfg_.rc_target_bitrate = 200;

-  cfg_.g_lag_in_frames = 0;

-  // TODO(marpan): Investigate datarate target failures with a smaller keyframe

-  // interval (128).

-  cfg_.kf_max_dist = 9999;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 140);

-  const int kDropFrameThreshTestStep = 30;

-  for (int j = 50; j <= 150; j += 100) {

-    cfg_.rc_target_bitrate = j;

-    vpx_codec_pts_t last_drop = 140;

-    int last_num_drops = 0;

-    for (int i = 10; i < 100; i += kDropFrameThreshTestStep) {

-      cfg_.rc_dropframe_thresh = i;

-      ResetModel();

-      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-      ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-          << " The datarate for the file is lower than target by too much!";

-      ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.25)

-          << " The datarate for the file is greater than target by too much!";

-      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 * 0.85)

-          << " 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 2 temporal layers.

-TEST_P(DatarateTestVP9Large, BasicRateTargeting2TemporalLayers) {

-  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 = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  // 2 Temporal layers, no spatial layers: Framerate decimation (2, 1).

-  cfg_.ss_number_layers = 1;

-  cfg_.ts_number_layers = 2;

-  cfg_.ts_rate_decimator[0] = 2;

-  cfg_.ts_rate_decimator[1] = 1;

-  cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

-  if (deadline_ == VPX_DL_REALTIME) cfg_.g_error_resilient = 1;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 200);

-  for (int i = 200; i <= 800; i += 200) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    // 60-40 bitrate allocation for 2 temporal layers.

-    cfg_.layer_target_bitrate[0] = 60 * cfg_.rc_target_bitrate / 100;

-    cfg_.layer_target_bitrate[1] = cfg_.rc_target_bitrate;

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {

-      ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.85)

-          << " The datarate for the file is lower than target by too much, "

-             "for layer: "

-          << j;

-      ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.15)

-          << " The datarate for the file is greater than target by too much, "

-             "for layer: "

-          << j;

-    }

-  }

-}

-// Check basic rate targeting for 3 temporal layers.

-TEST_P(DatarateTestVP9Large, BasicRateTargeting3TemporalLayers) {

-  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 = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  // 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).

-  cfg_.ss_number_layers = 1;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 200);

-  for (int i = 200; i <= 800; i += 200) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    // 40-20-40 bitrate allocation for 3 temporal layers.

-    cfg_.layer_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;

-    cfg_.layer_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;

-    cfg_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {

-      // TODO(yaowu): Work out more stable rc control strategy and

-      //              Adjust the thresholds to be tighter than .75.

-      ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.75)

-          << " The datarate for the file is lower than target by too much, "

-             "for layer: "

-          << j;

-      // TODO(yaowu): Work out more stable rc control strategy and

-      //              Adjust the thresholds to be tighter than 1.25.

-      ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.25)

-          << " The datarate for the file is greater than target by too much, "

-             "for layer: "

-          << j;

-    }

-  }

-}

-// Check basic rate targeting for 3 temporal layers, with frame dropping.

-// Only for one (low) bitrate with lower max_quantizer, and somewhat higher

-// frame drop threshold, to force frame dropping.

-TEST_P(DatarateTestVP9Large, BasicRateTargeting3TemporalLayersFrameDropping) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  // Set frame drop threshold and rc_max_quantizer to force some frame drops.

-  cfg_.rc_dropframe_thresh = 20;

-  cfg_.rc_max_quantizer = 45;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  // 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).

-  cfg_.ss_number_layers = 1;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 200);

-  cfg_.rc_target_bitrate = 200;

-  ResetModel();

-  // 40-20-40 bitrate allocation for 3 temporal layers.

-  cfg_.layer_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;

-  cfg_.layer_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;

-  cfg_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {

-    ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.85)

-        << " The datarate for the file is lower than target by too much, "

-           "for layer: "

-        << j;

-    ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.15)

-        << " The datarate for the file is greater than target by too much, "

-           "for layer: "

-        << j;

-    // Expect some frame drops in this test: for this 200 frames test,

-    // expect at least 10% and not more than 60% drops.

-    ASSERT_GE(num_drops_, 20);

-    ASSERT_LE(num_drops_, 130);

-  }

-}

-class DatarateTestVP9RealTime : public DatarateTestVP9Large {

- public:

-  virtual ~DatarateTestVP9RealTime() {}

-};

-// Check VP9 region of interest feature.

-TEST_P(DatarateTestVP9RealTime, RegionOfInterest) {

-  if (deadline_ != VPX_DL_REALTIME || set_cpu_used_ < 5) 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 = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  ::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 + 7) / 8;

-  roi_.cols = (cfg_.g_w + 7) / 8;

-  roi_.delta_q[1] = -20;

-  roi_.delta_lf[1] = -20;

-  memset(roi_.ref_frame, -1, sizeof(roi_.ref_frame));

-  roi_.ref_frame[1] = 1;

-  // Use 2 states: 1 is center square, 0 is the rest.

-  roi_.roi_map = reinterpret_cast<uint8_t *>(

-      calloc(roi_.rows * roi_.cols, sizeof(*roi_.roi_map)));

-  ASSERT_TRUE(roi_.roi_map != NULL);

-  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] * 0.90)

-      << " The datarate for the file exceeds the target!";

-  ASSERT_LE(cfg_.rc_target_bitrate, effective_datarate_[0] * 1.4)

-      << " The datarate for the file missed the target!";

-  free(roi_.roi_map);

-}

-#if CONFIG_VP9_TEMPORAL_DENOISING

-class DatarateTestVP9LargeDenoiser : public DatarateTestVP9Large {

- public:

-  virtual ~DatarateTestVP9LargeDenoiser() {}

-};

-// Check basic datarate targeting, for a single bitrate, when denoiser is on.

-TEST_P(DatarateTestVP9LargeDenoiser, LowNoise) {

-  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 = 2;

-  cfg_.rc_max_quantizer = 56;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 140);

-  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

-  // there is only one denoiser mode: denoiserYonly(which is 1),

-  // but may add more modes in the future.

-  cfg_.rc_target_bitrate = 300;

-  ResetModel();

-  // Turn on the denoiser.

-  denoiser_on_ = 1;

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-      << " The datarate for the file is lower than target by too much!";

-  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

-      << " The datarate for the file is greater than target by too much!";

-}

-// Check basic datarate targeting, for a single bitrate, when denoiser is on,

-// for clip with high noise level. Use 2 threads.

-TEST_P(DatarateTestVP9LargeDenoiser, HighNoise) {

-  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 = 2;

-  cfg_.rc_max_quantizer = 56;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.g_threads = 2;

-  ::libvpx_test::Y4mVideoSource video("noisy_clip_640_360.y4m", 0, 200);

-  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

-  // there is only one denoiser mode: kDenoiserOnYOnly(which is 1),

-  // but may add more modes in the future.

-  cfg_.rc_target_bitrate = 1000;

-  ResetModel();

-  // Turn on the denoiser.

-  denoiser_on_ = 1;

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-      << " The datarate for the file is lower than target by too much!";

-  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

-      << " The datarate for the file is greater than target by too much!";

-}

-// Check basic datarate targeting, for a single bitrate, when denoiser is on,

-// for 1280x720 clip with 4 threads.

-TEST_P(DatarateTestVP9LargeDenoiser, 4threads) {

-  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 = 2;

-  cfg_.rc_max_quantizer = 56;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.g_threads = 4;

-  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 300);

-  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

-  // there is only one denoiser mode: denoiserYonly(which is 1),

-  // but may add more modes in the future.

-  cfg_.rc_target_bitrate = 1000;

-  ResetModel();

-  // Turn on the denoiser.

-  denoiser_on_ = 1;

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-      << " The datarate for the file is lower than target by too much!";

-  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.29)

-      << " The datarate for the file is greater than target by too much!";

-}

-// Check basic datarate targeting, for a single bitrate, when denoiser is off

-// and on.

-TEST_P(DatarateTestVP9LargeDenoiser, DenoiserOffOn) {

-  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 = 2;

-  cfg_.rc_max_quantizer = 56;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

-                                       30, 1, 0, 299);

-  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

-  // there is only one denoiser mode: denoiserYonly(which is 1),

-  // but may add more modes in the future.

-  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(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

-      << " The datarate for the file is lower than target by too much!";

-  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

-      << " The datarate for the file is greater than target by too much!";

-}

-#endif  // CONFIG_VP9_TEMPORAL_DENOISING

-static void assign_layer_bitrates(vpx_codec_enc_cfg_t *const enc_cfg,

-                                  const vpx_svc_extra_cfg_t *svc_params,

-                                  int spatial_layers, int temporal_layers,

-                                  int temporal_layering_mode,

-                                  int *layer_target_avg_bandwidth,

-                                  int64_t *bits_in_buffer_model) {

-  int sl, spatial_layer_target;

-  float total = 0;

-  float alloc_ratio[VPX_MAX_LAYERS] = { 0 };

-  float framerate = 30.0;

-  for (sl = 0; sl < spatial_layers; ++sl) {

-    if (svc_params->scaling_factor_den[sl] > 0) {

-      alloc_ratio[sl] = (float)(svc_params->scaling_factor_num[sl] * 1.0 /

-                                svc_params->scaling_factor_den[sl]);

-      total += alloc_ratio[sl];

-    }

-  }

-  for (sl = 0; sl < spatial_layers; ++sl) {

-    enc_cfg->ss_target_bitrate[sl] = spatial_layer_target =

-        (unsigned int)(enc_cfg->rc_target_bitrate * alloc_ratio[sl] / total);

-    const int index = sl * temporal_layers;

-    if (temporal_layering_mode == 3) {

-      enc_cfg->layer_target_bitrate[index] = spatial_layer_target >> 1;

-      enc_cfg->layer_target_bitrate[index + 1] =

-          (spatial_layer_target >> 1) + (spatial_layer_target >> 2);

-      enc_cfg->layer_target_bitrate[index + 2] = spatial_layer_target;

-    } else if (temporal_layering_mode == 2) {

-      enc_cfg->layer_target_bitrate[index] = spatial_layer_target * 2 / 3;

-      enc_cfg->layer_target_bitrate[index + 1] = spatial_layer_target;

-    } else if (temporal_layering_mode <= 1) {

-      enc_cfg->layer_target_bitrate[index] = spatial_layer_target;

-    }

-  }

-  for (sl = 0; sl < spatial_layers; ++sl) {

-    for (int tl = 0; tl < temporal_layers; ++tl) {

-      const int layer = sl * temporal_layers + tl;

-      float layer_framerate = framerate;

-      if (temporal_layers == 2 && tl == 0) layer_framerate = framerate / 2;

-      if (temporal_layers == 3 && tl == 0) layer_framerate = framerate / 4;

-      if (temporal_layers == 3 && tl == 1) layer_framerate = framerate / 2;

-      layer_target_avg_bandwidth[layer] = static_cast<int>(

-          enc_cfg->layer_target_bitrate[layer] * 1000.0 / layer_framerate);

-      bits_in_buffer_model[layer] =

-          enc_cfg->layer_target_bitrate[layer] * enc_cfg->rc_buf_initial_sz;

-    }

-  }

-}

-static void CheckLayerRateTargeting(vpx_codec_enc_cfg_t *const cfg,

-                                    int number_spatial_layers,

-                                    int number_temporal_layers,

-                                    double *file_datarate,

-                                    double thresh_overshoot,

-                                    double thresh_undershoot) {

-  for (int sl = 0; sl < number_spatial_layers; ++sl)

-    for (int tl = 0; tl < number_temporal_layers; ++tl) {

-      const int layer = sl * number_temporal_layers + tl;

-      ASSERT_GE(cfg->layer_target_bitrate[layer],

-                file_datarate[layer] * thresh_overshoot)

-          << " The datarate for the file exceeds the target by too much!";

-      ASSERT_LE(cfg->layer_target_bitrate[layer],

-                file_datarate[layer] * thresh_undershoot)

-          << " The datarate for the file is lower than the target by too much!";

-    }

-}

-class DatarateOnePassCbrSvc

-    : public ::libvpx_test::EncoderTest,

-      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {

- public:

-  DatarateOnePassCbrSvc() : EncoderTest(GET_PARAM(0)) {

-    memset(&svc_params_, 0, sizeof(svc_params_));

-  }

-  virtual ~DatarateOnePassCbrSvc() {}

- protected:

-  virtual void SetUp() {

-    InitializeConfig();

-    SetMode(GET_PARAM(1));

-    speed_setting_ = GET_PARAM(2);

-    ResetModel();

-  }

-  virtual void ResetModel() {

-    last_pts_ = 0;

-    duration_ = 0.0;

-    mismatch_psnr_ = 0.0;

-    mismatch_nframes_ = 0;

-    denoiser_on_ = 0;

-    tune_content_ = 0;

-    base_speed_setting_ = 5;

-    spatial_layer_id_ = 0;

-    temporal_layer_id_ = 0;

-    update_pattern_ = 0;

-    memset(bits_in_buffer_model_, 0, sizeof(bits_in_buffer_model_));

-    memset(bits_total_, 0, sizeof(bits_total_));

-    memset(layer_target_avg_bandwidth_, 0, sizeof(layer_target_avg_bandwidth_));

-    dynamic_drop_layer_ = false;

-    change_bitrate_ = false;

-    last_pts_ref_ = 0;

-    middle_bitrate_ = 0;

-    top_bitrate_ = 0;

-    superframe_count_ = -1;

-    key_frame_spacing_ = 9999;

-    num_nonref_frames_ = 0;

-    constrained_framedrop_ = 0;

-  }

-  virtual void BeginPassHook(unsigned int /*pass*/) {}

-  // Example pattern for spatial layers and 2 temporal layers used in the

-  // bypass/flexible mode. The pattern corresponds to the pattern

-  // VP9E_TEMPORAL_LAYERING_MODE_0101 (temporal_layering_mode == 2) used in

-  // non-flexible mode, except that we disable inter-layer prediction.

-  void set_frame_flags_bypass_mode(

-      int tl, int num_spatial_layers, int is_key_frame,

-      vpx_svc_ref_frame_config_t *ref_frame_config) {

-    for (int sl = 0; sl < num_spatial_layers; ++sl) {

-      if (!tl) {

-        if (!sl) {

-          ref_frame_config->frame_flags[sl] =

-              VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |

-              VP8_EFLAG_NO_UPD_ARF;

-        } else {

-          if (is_key_frame) {

-            ref_frame_config->frame_flags[sl] =

-                VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |

-                VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;

-          } else {

-            ref_frame_config->frame_flags[sl] =

-                VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |

-                VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;

-          }

-        }

-      } else if (tl == 1) {

-        if (!sl) {

-          ref_frame_config->frame_flags[sl] =

-              VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |

-              VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;

-        } else {

-          ref_frame_config->frame_flags[sl] =

-              VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |

-              VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_REF_GF;

-        }

-      }

-      if (tl == 0) {

-        ref_frame_config->lst_fb_idx[sl] = sl;

-        if (sl) {

-          if (is_key_frame) {

-            ref_frame_config->lst_fb_idx[sl] = sl - 1;

-            ref_frame_config->gld_fb_idx[sl] = sl;

-          } else {

-            ref_frame_config->gld_fb_idx[sl] = sl - 1;

-          }

-        } else {

-          ref_frame_config->gld_fb_idx[sl] = 0;

-        }

-        ref_frame_config->alt_fb_idx[sl] = 0;

-      } else if (tl == 1) {

-        ref_frame_config->lst_fb_idx[sl] = sl;

-        ref_frame_config->gld_fb_idx[sl] = num_spatial_layers + sl - 1;

-        ref_frame_config->alt_fb_idx[sl] = num_spatial_layers + sl;

-      }

-    }

-  }

-  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,

-                                  ::libvpx_test::Encoder *encoder) {

-    if (video->frame() == 0) {

-      int i;

-      for (i = 0; i < VPX_MAX_LAYERS; ++i) {

-        svc_params_.max_quantizers[i] = 63;

-        svc_params_.min_quantizers[i] = 0;

-      }

-      svc_params_.speed_per_layer[0] = base_speed_setting_;

-      for (i = 1; i < VPX_SS_MAX_LAYERS; ++i) {

-        svc_params_.speed_per_layer[i] = speed_setting_;

-      }

-      encoder->Control(VP9E_SET_NOISE_SENSITIVITY, denoiser_on_);

-      encoder->Control(VP9E_SET_SVC, 1);

-      encoder->Control(VP9E_SET_SVC_PARAMETERS, &svc_params_);

-      encoder->Control(VP8E_SET_CPUUSED, speed_setting_);

-      encoder->Control(VP9E_SET_TILE_COLUMNS, 0);

-      encoder->Control(VP8E_SET_MAX_INTRA_BITRATE_PCT, 300);

-      encoder->Control(VP9E_SET_TILE_COLUMNS, (cfg_.g_threads >> 1));

-      encoder->Control(VP9E_SET_ROW_MT, 1);

-      encoder->Control(VP8E_SET_STATIC_THRESHOLD, 1);

-      encoder->Control(VP9E_SET_TUNE_CONTENT, tune_content_);

-      if (constrained_framedrop_) {

-        vpx_svc_frame_drop_t svc_drop_frame;

-        svc_drop_frame.framedrop_mode = CONSTRAINED_LAYER_DROP;

-        for (i = 0; i < number_spatial_layers_; i++)

-          svc_drop_frame.framedrop_thresh[i] = 30;

-        encoder->Control(VP9E_SET_SVC_FRAME_DROP_LAYER, &svc_drop_frame);

-      }

-    }

-    superframe_count_++;

-    temporal_layer_id_ = 0;

-    if (number_temporal_layers_ == 2)

-      temporal_layer_id_ = (superframe_count_ % 2 != 0);

-    else if (number_temporal_layers_ == 3) {

-      if (superframe_count_ % 2 != 0) temporal_layer_id_ = 2;

-      if (superframe_count_ > 1) {

-        if ((superframe_count_ - 2) % 4 == 0) temporal_layer_id_ = 1;

-      }

-    }

-    if (update_pattern_ && video->frame() >= 100) {

-      vpx_svc_layer_id_t layer_id;

-      if (video->frame() == 100) {

-        cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

-        encoder->Config(&cfg_);

-      }

-      // Set layer id since the pattern changed.

-      layer_id.spatial_layer_id = 0;

-      layer_id.temporal_layer_id = (video->frame() % 2 != 0);

-      temporal_layer_id_ = layer_id.temporal_layer_id;

-      encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);

-      set_frame_flags_bypass_mode(layer_id.temporal_layer_id,

-                                  number_spatial_layers_, 0, &ref_frame_config);

-      encoder->Control(VP9E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config);

-    }

-    if (change_bitrate_ && video->frame() == 200) {

-      duration_ = (last_pts_ + 1) * timebase_;

-      for (int sl = 0; sl < number_spatial_layers_; ++sl) {

-        for (int tl = 0; tl < number_temporal_layers_; ++tl) {

-          const int layer = sl * number_temporal_layers_ + tl;

-          const double file_size_in_kb = bits_total_[layer] / 1000.;

-          file_datarate_[layer] = file_size_in_kb / duration_;

-        }

-      }

-      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                              number_temporal_layers_, file_datarate_, 0.78,

-                              1.15);

-      memset(file_datarate_, 0, sizeof(file_datarate_));

-      memset(bits_total_, 0, sizeof(bits_total_));

-      int64_t bits_in_buffer_model_tmp[VPX_MAX_LAYERS];

-      last_pts_ref_ = last_pts_;

-      // Set new target bitarate.

-      cfg_.rc_target_bitrate = cfg_.rc_target_bitrate >> 1;

-      // Buffer level should not reset on dynamic bitrate change.

-      memcpy(bits_in_buffer_model_tmp, bits_in_buffer_model_,

-             sizeof(bits_in_buffer_model_));

-      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

-      memcpy(bits_in_buffer_model_, bits_in_buffer_model_tmp,

-             sizeof(bits_in_buffer_model_));

-      // Change config to update encoder with new bitrate configuration.

-      encoder->Config(&cfg_);

-    }

-    if (dynamic_drop_layer_) {

-      if (video->frame() == 50) {

-        // Change layer bitrates to set top layers to 0. This will trigger skip

-        // encoding/dropping of top two spatial layers.

-        cfg_.rc_target_bitrate -=

-            (cfg_.layer_target_bitrate[1] + cfg_.layer_target_bitrate[2]);

-        middle_bitrate_ = cfg_.layer_target_bitrate[1];

-        top_bitrate_ = cfg_.layer_target_bitrate[2];

-        cfg_.layer_target_bitrate[1] = 0;

-        cfg_.layer_target_bitrate[2] = 0;

-        encoder->Config(&cfg_);

-      } else if (video->frame() == 100) {

-        // Change layer bitrate on second layer to non-zero to start

-        // encoding it again.

-        cfg_.layer_target_bitrate[1] = middle_bitrate_;

-        cfg_.rc_target_bitrate += cfg_.layer_target_bitrate[1];

-        encoder->Config(&cfg_);

-      } else if (video->frame() == 200) {

-        // Change layer bitrate on top layer to non-zero to start

-        // encoding it again.

-        cfg_.layer_target_bitrate[2] = top_bitrate_;

-        cfg_.rc_target_bitrate += cfg_.layer_target_bitrate[2];

-        encoder->Config(&cfg_);

-      }

-    }

-    const vpx_rational_t tb = video->timebase();

-    timebase_ = static_cast<double>(tb.num) / tb.den;

-    duration_ = 0;

-  }

-  virtual void PostEncodeFrameHook() {

-    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

-      for (int tl = temporal_layer_id_; tl < number_temporal_layers_; ++tl) {

-        const int layer = sl * number_temporal_layers_ + tl;

-        bits_in_buffer_model_[layer] +=

-            static_cast<int64_t>(layer_target_avg_bandwidth_[layer]);

-      }

-    }

-  }

-  vpx_codec_err_t parse_superframe_index(const uint8_t *data, size_t data_sz,

-                                         uint32_t sizes[8], int *count) {

-    uint8_t marker;

-    marker = *(data + data_sz - 1);

-    *count = 0;

-    if ((marker & 0xe0) == 0xc0) {

-      const uint32_t frames = (marker & 0x7) + 1;

-      const uint32_t mag = ((marker >> 3) & 0x3) + 1;

-      const size_t index_sz = 2 + mag * frames;

-      // This chunk is marked as having a superframe index but doesn't have

-      // enough data for it, thus it's an invalid superframe index.

-      if (data_sz < index_sz) return VPX_CODEC_CORRUPT_FRAME;

-      {

-        const uint8_t marker2 = *(data + data_sz - index_sz);

-        // This chunk is marked as having a superframe index but doesn't have

-        // the matching marker byte at the front of the index therefore it's an

-        // invalid chunk.

-        if (marker != marker2) return VPX_CODEC_CORRUPT_FRAME;

-      }

-      {

-        uint32_t i, j;

-        const uint8_t *x = &data[data_sz - index_sz + 1];

-        for (i = 0; i < frames; ++i) {

-          uint32_t this_sz = 0;

-          for (j = 0; j < mag; ++j) this_sz |= (*x++) << (j * 8);

-          sizes[i] = this_sz;

-        }

-        *count = frames;

-      }

-    }

-    return VPX_CODEC_OK;

-  }

-  virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {

-    uint32_t sizes[8] = { 0 };

-    uint32_t sizes_parsed[8] = { 0 };

-    int count = 0;

-    int num_layers_encoded = 0;

-    last_pts_ = pkt->data.frame.pts;

-    const bool key_frame =

-        (pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? true : false;

-    if (key_frame) {

-      temporal_layer_id_ = 0;

-      superframe_count_ = 0;

-    }

-    parse_superframe_index(static_cast<const uint8_t *>(pkt->data.frame.buf),

-                           pkt->data.frame.sz, sizes_parsed, &count);

-    // Count may be less than number of spatial layers because of frame drops.

-    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

-      if (pkt->data.frame.spatial_layer_encoded[sl]) {

-        sizes[sl] = sizes_parsed[num_layers_encoded];

-        num_layers_encoded++;

-      }

-    }

-    ASSERT_EQ(count, num_layers_encoded);

-    // In the constrained frame drop mode, if a given spatial is dropped all

-    // upper layers must be dropped too.

-    if (constrained_framedrop_) {

-      for (int sl = 0; sl < number_spatial_layers_; ++sl) {

-        if (!pkt->data.frame.spatial_layer_encoded[sl]) {

-          // Check that all upper layers are dropped.

-          for (int sl2 = sl + 1; sl2 < number_spatial_layers_; ++sl2)

-            ASSERT_EQ(pkt->data.frame.spatial_layer_encoded[sl2], 0);

-        }

-      }

-    }

-    // Keep track of number of non-reference frames, needed for mismatch check.

-    // Non-reference frames are top spatial and temporal layer frames,

-    // for TL > 0.

-    if (temporal_layer_id_ == number_temporal_layers_ - 1 &&

-        temporal_layer_id_ > 0 &&

-        pkt->data.frame.spatial_layer_encoded[number_spatial_layers_ - 1])

-      num_nonref_frames_++;

-    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

-      sizes[sl] = sizes[sl] << 3;

-      // Update the total encoded bits per layer.

-      // For temporal layers, update the cumulative encoded bits per layer.

-      for (int tl = temporal_layer_id_; tl < number_temporal_layers_; ++tl) {

-        const int layer = sl * number_temporal_layers_ + tl;

-        bits_total_[layer] += static_cast<int64_t>(sizes[sl]);

-        // Update the per-layer buffer level with the encoded frame size.

-        bits_in_buffer_model_[layer] -= static_cast<int64_t>(sizes[sl]);

-        // There should be no buffer underrun, except on the base

-        // temporal layer, since there may be key frames there.

-        // Fo short key frame spacing, buffer can underrun on individual frames.

-        if (!key_frame && tl > 0 && key_frame_spacing_ < 100) {

-          ASSERT_GE(bits_in_buffer_model_[layer], 0)

-              << "Buffer Underrun at frame " << pkt->data.frame.pts;

-        }

-      }

-      ASSERT_EQ(pkt->data.frame.width[sl],

-                top_sl_width_ * svc_params_.scaling_factor_num[sl] /

-                    svc_params_.scaling_factor_den[sl]);

-      ASSERT_EQ(pkt->data.frame.height[sl],

-                top_sl_height_ * svc_params_.scaling_factor_num[sl] /

-                    svc_params_.scaling_factor_den[sl]);

-    }

-  }

-  virtual void EndPassHook(void) {

-    if (change_bitrate_) last_pts_ = last_pts_ - last_pts_ref_;

-    duration_ = (last_pts_ + 1) * timebase_;

-    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

-      for (int tl = 0; tl < number_temporal_layers_; ++tl) {

-        const int layer = sl * number_temporal_layers_ + tl;

-        const double file_size_in_kb = bits_total_[layer] / 1000.;

-        file_datarate_[layer] = file_size_in_kb / duration_;

-      }

-    }

-  }

-  virtual void MismatchHook(const vpx_image_t *img1, const vpx_image_t *img2) {

-    double mismatch_psnr = compute_psnr(img1, img2);

-    mismatch_psnr_ += mismatch_psnr;

-    ++mismatch_nframes_;

-  }

-  unsigned int GetMismatchFrames() { return mismatch_nframes_; }

-  vpx_codec_pts_t last_pts_;

-  int64_t bits_in_buffer_model_[VPX_MAX_LAYERS];

-  double timebase_;

-  int64_t bits_total_[VPX_MAX_LAYERS];

-  double duration_;

-  double file_datarate_[VPX_MAX_LAYERS];

-  size_t bits_in_last_frame_;

-  vpx_svc_extra_cfg_t svc_params_;

-  int speed_setting_;

-  double mismatch_psnr_;

-  int mismatch_nframes_;

-  int denoiser_on_;

-  int tune_content_;

-  int base_speed_setting_;

-  int spatial_layer_id_;

-  int temporal_layer_id_;

-  int number_spatial_layers_;

-  int number_temporal_layers_;

-  int layer_target_avg_bandwidth_[VPX_MAX_LAYERS];

-  bool dynamic_drop_layer_;

-  unsigned int top_sl_width_;

-  unsigned int top_sl_height_;

-  vpx_svc_ref_frame_config_t ref_frame_config;

-  int update_pattern_;

-  bool change_bitrate_;

-  vpx_codec_pts_t last_pts_ref_;

-  int middle_bitrate_;

-  int top_bitrate_;

-  int superframe_count_;

-  int key_frame_spacing_;

-  unsigned int num_nonref_frames_;

-  int constrained_framedrop_;

-};

-// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and 1

-// temporal layer, with screen content mode on and same speed setting for all

-// layers.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL1TLScreenContent1) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 2;

-  cfg_.ts_number_layers = 1;

-  cfg_.ts_rate_decimator[0] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 0;

-  svc_params_.scaling_factor_num[0] = 144;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 288;

-  svc_params_.scaling_factor_den[1] = 288;

-  cfg_.rc_dropframe_thresh = 10;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

-  top_sl_width_ = 1280;

-  top_sl_height_ = 720;

-  cfg_.rc_target_bitrate = 500;

-  ResetModel();

-  tune_content_ = 1;

-  base_speed_setting_ = speed_setting_;

-  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

-#if CONFIG_VP9_DECODER

-  // The non-reference frames are expected to be mismatched frames as the

-  // encoder will avoid loopfilter on these frames.

-  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-}

-// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and

-// 3 temporal layers. Run CIF clip with 1 thread.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TL) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 2;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 144;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 288;

-  svc_params_.scaling_factor_den[1] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  // TODO(marpan): Check that effective_datarate for each layer hits the

-  // layer target_bitrate.

-  for (int i = 200; i <= 800; i += 200) {

-    cfg_.rc_target_bitrate = i;

-    ResetModel();

-    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                          cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                          layer_target_avg_bandwidth_, bits_in_buffer_model_);

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                            number_temporal_layers_, file_datarate_, 0.75, 1.2);

-#if CONFIG_VP9_DECODER

-    // The non-reference frames are expected to be mismatched frames as the

-    // encoder will avoid loopfilter on these frames.

-    EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-  }

-}

-// Check basic rate targeting for 1 pass CBR SVC with denoising.

-// 2 spatial layers and 3 temporal layer. Run HD clip with 2 threads.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TLDenoiserOn) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 2;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 2;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 144;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 288;

-  svc_params_.scaling_factor_den[1] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  // TODO(marpan): Check that effective_datarate for each layer hits the

-  // layer target_bitrate.

-  // For SVC, noise_sen = 1 means denoising only the top spatial layer

-  // noise_sen = 2 means denoising the two top spatial layers.

-  for (int noise_sen = 1; noise_sen <= 2; noise_sen++) {

-    for (int i = 600; i <= 1000; i += 200) {

-      cfg_.rc_target_bitrate = i;

-      ResetModel();

-      denoiser_on_ = noise_sen;

-      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

-      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                              number_temporal_layers_, file_datarate_, 0.78,

-                              1.15);

-#if CONFIG_VP9_DECODER

-      // The non-reference frames are expected to be mismatched frames as the

-      // encoder will avoid loopfilter on these frames.

-      EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-    }

-  }

-}

-// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and 3

-// temporal layers. Run CIF clip with 1 thread, and few short key frame periods.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TLSmallKf) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 2;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 144;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 288;

-  svc_params_.scaling_factor_den[1] = 288;

-  cfg_.rc_dropframe_thresh = 10;

-  cfg_.rc_target_bitrate = 400;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  // For this 3 temporal layer case, pattern repeats every 4 frames, so choose

-  // 4 key neighboring key frame periods (so key frame will land on 0-2-1-2).

-  for (int j = 64; j <= 67; j++) {

-    cfg_.kf_max_dist = j;

-    key_frame_spacing_ = j;

-    ResetModel();

-    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                          cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                          layer_target_avg_bandwidth_, bits_in_buffer_model_);

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                            number_temporal_layers_, file_datarate_, 0.78,

-                            1.15);

-#if CONFIG_VP9_DECODER

-    // The non-reference frames are expected to be mismatched frames as the

-    // encoder will avoid loopfilter on these frames.

-    EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-  }

-}

-// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and

-// 3 temporal layers. Run HD clip with 4 threads.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TL4Threads) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 2;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 4;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 144;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 288;

-  svc_params_.scaling_factor_den[1] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

-  top_sl_width_ = 1280;

-  top_sl_height_ = 720;

-  constrained_framedrop_ = 0;

-  for (int k = 0; k < 2; k++) {

-    for (int i = 200; i <= 600; i += 200) {

-      cfg_.rc_target_bitrate = i;

-      ResetModel();

-      constrained_framedrop_ = k;

-      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

-      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                              number_temporal_layers_, file_datarate_, 0.75,

-                              1.2);

-#if CONFIG_VP9_DECODER

-      // The non-reference frames are expected to be mismatched frames as the

-      // encoder will avoid loopfilter on these frames.

-      EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-    }

-  }

-}

-// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and

-// 3 temporal layers. Run CIF clip with 1 thread.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TL) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 3;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 72;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 144;

-  svc_params_.scaling_factor_den[1] = 288;

-  svc_params_.scaling_factor_num[2] = 288;

-  svc_params_.scaling_factor_den[2] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  cfg_.rc_target_bitrate = 800;

-  ResetModel();

-  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

-#if CONFIG_VP9_DECODER

-  // The non-reference frames are expected to be mismatched frames as the

-  // encoder will avoid loopfilter on these frames.

-  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-}

-// Check rate targeting for 1 pass CBR SVC: 3 spatial layers and

-// 3 temporal layers, changing the target bitrate at the middle of encoding.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TLDynamicBitrateChange) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 3;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 72;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 144;

-  svc_params_.scaling_factor_den[1] = 288;

-  svc_params_.scaling_factor_num[2] = 288;

-  svc_params_.scaling_factor_den[2] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  cfg_.rc_target_bitrate = 800;

-  ResetModel();

-  change_bitrate_ = true;

-  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

-#if CONFIG_VP9_DECODER

-  // The non-reference frames are expected to be mismatched frames as the

-  // encoder will avoid loopfilter on these frames.

-  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-}

-// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and

-// 2 temporal layers, with a change on the fly from the fixed SVC pattern to one

-// generate via SVC_SET_REF_FRAME_CONFIG. The new pattern also disables

-// inter-layer prediction.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL2TLDynamicPatternChange) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 3;

-  cfg_.ts_number_layers = 2;

-  cfg_.ts_rate_decimator[0] = 2;

-  cfg_.ts_rate_decimator[1] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 2;

-  svc_params_.scaling_factor_num[0] = 72;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 144;

-  svc_params_.scaling_factor_den[1] = 288;

-  svc_params_.scaling_factor_num[2] = 288;

-  svc_params_.scaling_factor_den[2] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  // Change SVC pattern on the fly.

-  update_pattern_ = 1;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  cfg_.rc_target_bitrate = 800;

-  ResetModel();

-  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

-#if CONFIG_VP9_DECODER

-  // The non-reference frames are expected to be mismatched frames as the

-  // encoder will avoid loopfilter on these frames.

-  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-}

-// Check basic rate targeting for 1 pass CBR SVC with 3 spatial layers and on

-// the fly switching to 1 and then 2 and back to 3 spatial layers. This switch

-// is done by setting spatial layer bitrates to 0, and then back to non-zero,

-// during the sequence.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL_DisableEnableLayers) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 3;

-  cfg_.ts_number_layers = 1;

-  cfg_.ts_rate_decimator[0] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 0;

-  svc_params_.scaling_factor_num[0] = 72;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 144;

-  svc_params_.scaling_factor_den[1] = 288;

-  svc_params_.scaling_factor_num[2] = 288;

-  svc_params_.scaling_factor_den[2] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  cfg_.rc_target_bitrate = 800;

-  ResetModel();

-  dynamic_drop_layer_ = true;

-  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  // Don't check rate targeting on top spatial layer since it will be skipped

-  // for part of the sequence.

-  CheckLayerRateTargeting(&cfg_, number_spatial_layers_ - 1,

-                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

-#if CONFIG_VP9_DECODER

-  // The non-reference frames are expected to be mismatched frames as the

-  // encoder will avoid loopfilter on these frames.

-  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-}

-// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and 3

-// temporal layers. Run CIF clip with 1 thread, and few short key frame periods.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TLSmallKf) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 3;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 1;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 72;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 144;

-  svc_params_.scaling_factor_den[1] = 288;

-  svc_params_.scaling_factor_num[2] = 288;

-  svc_params_.scaling_factor_den[2] = 288;

-  cfg_.rc_dropframe_thresh = 10;

-  cfg_.rc_target_bitrate = 800;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

-                                       0, 400);

-  top_sl_width_ = 640;

-  top_sl_height_ = 480;

-  // For this 3 temporal layer case, pattern repeats every 4 frames, so choose

-  // 4 key neighboring key frame periods (so key frame will land on 0-2-1-2).

-  for (int j = 32; j <= 35; j++) {

-    cfg_.kf_max_dist = j;

-    key_frame_spacing_ = j;

-    ResetModel();

-    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                          cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                          layer_target_avg_bandwidth_, bits_in_buffer_model_);

-    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-    CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                            number_temporal_layers_, file_datarate_, 0.78,

-                            1.15);

-#if CONFIG_VP9_DECODER

-    // The non-reference frames are expected to be mismatched frames as the

-    // encoder will avoid loopfilter on these frames.

-    EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-  }

-}

-// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and

-// 3 temporal layers. Run HD clip with 4 threads.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TL4Threads) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 3;

-  cfg_.ts_number_layers = 3;

-  cfg_.ts_rate_decimator[0] = 4;

-  cfg_.ts_rate_decimator[1] = 2;

-  cfg_.ts_rate_decimator[2] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 4;

-  cfg_.temporal_layering_mode = 3;

-  svc_params_.scaling_factor_num[0] = 72;

-  svc_params_.scaling_factor_den[0] = 288;

-  svc_params_.scaling_factor_num[1] = 144;

-  svc_params_.scaling_factor_den[1] = 288;

-  svc_params_.scaling_factor_num[2] = 288;

-  svc_params_.scaling_factor_den[2] = 288;

-  cfg_.rc_dropframe_thresh = 30;

-  cfg_.kf_max_dist = 9999;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

-  top_sl_width_ = 1280;

-  top_sl_height_ = 720;

-  constrained_framedrop_ = 0;

-  for (int k = 0; k < 2; k++) {

-    for (int i = 200; i <= 600; i += 200) {

-      cfg_.rc_target_bitrate = i;

-      ResetModel();

-      constrained_framedrop_ = k;

-      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

-                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

-                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

-      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                              number_temporal_layers_, file_datarate_, 0.73,

-                              1.2);

-#if CONFIG_VP9_DECODER

-      // The non-reference frames are expected to be mismatched frames as the

-      // encoder will avoid loopfilter on these frames.

-      EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-    }

-  }

-}

-// Run SVC encoder for 1 temporal layer, 2 spatial layers, with spatial

-// downscale 5x5.

-TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL1TL5x5MultipleRuns) {

-  cfg_.rc_buf_initial_sz = 500;

-  cfg_.rc_buf_optimal_sz = 500;

-  cfg_.rc_buf_sz = 1000;

-  cfg_.rc_min_quantizer = 0;

-  cfg_.rc_max_quantizer = 63;

-  cfg_.rc_end_usage = VPX_CBR;

-  cfg_.g_lag_in_frames = 0;

-  cfg_.ss_number_layers = 2;

-  cfg_.ts_number_layers = 1;

-  cfg_.ts_rate_decimator[0] = 1;

-  cfg_.g_error_resilient = 1;

-  cfg_.g_threads = 3;

-  cfg_.temporal_layering_mode = 0;

-  svc_params_.scaling_factor_num[0] = 256;

-  svc_params_.scaling_factor_den[0] = 1280;

-  svc_params_.scaling_factor_num[1] = 1280;

-  svc_params_.scaling_factor_den[1] = 1280;

-  cfg_.rc_dropframe_thresh = 10;

-  cfg_.kf_max_dist = 999999;

-  cfg_.kf_min_dist = 0;

-  cfg_.ss_target_bitrate[0] = 300;

-  cfg_.ss_target_bitrate[1] = 1400;

-  cfg_.layer_target_bitrate[0] = 300;

-  cfg_.layer_target_bitrate[1] = 1400;

-  cfg_.rc_target_bitrate = 1700;

-  number_spatial_layers_ = cfg_.ss_number_layers;

-  number_temporal_layers_ = cfg_.ts_number_layers;

-  ResetModel();

-  layer_target_avg_bandwidth_[0] = cfg_.layer_target_bitrate[0] * 1000 / 30;

-  bits_in_buffer_model_[0] =

-      cfg_.layer_target_bitrate[0] * cfg_.rc_buf_initial_sz;

-  layer_target_avg_bandwidth_[1] = cfg_.layer_target_bitrate[1] * 1000 / 30;

-  bits_in_buffer_model_[1] =

-      cfg_.layer_target_bitrate[1] * cfg_.rc_buf_initial_sz;

-  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

-  top_sl_width_ = 1280;

-  top_sl_height_ = 720;

-  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

-  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

-                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

-#if CONFIG_VP9_DECODER

-  // The non-reference frames are expected to be mismatched frames as the

-  // encoder will avoid loopfilter on these frames.

-  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

-#endif

-}

-VP8_INSTANTIATE_TEST_CASE(DatarateTestLarge, ALL_TEST_MODES,

-                          ::testing::Values(0));

-VP8_INSTANTIATE_TEST_CASE(DatarateTestRealTime,

-                          ::testing::Values(::libvpx_test::kRealTime),

-                          ::testing::Values(-6, -12));

-VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9Large,

-                          ::testing::Values(::libvpx_test::kOnePassGood,

-                                            ::libvpx_test::kRealTime),

-                          ::testing::Range(2, 9));

-VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9RealTime,

-                          ::testing::Values(::libvpx_test::kRealTime),

-                          ::testing::Range(5, 9));

-#if CONFIG_VP9_TEMPORAL_DENOISING

-VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9LargeDenoiser,

-                          ::testing::Values(::libvpx_test::kRealTime),

-                          ::testing::Range(5, 9));

-#endif

-VP9_INSTANTIATE_TEST_CASE(DatarateOnePassCbrSvc,

-                          ::testing::Values(::libvpx_test::kRealTime),

-                          ::testing::Range(5, 9));

-}  // namespace

--- /dev/null

+++ b/test/svc_datarate_test.cc

@@ -1,0 +1,1079 @@

+/*

+ *  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 {

+static void assign_layer_bitrates(vpx_codec_enc_cfg_t *const enc_cfg,

+                                  const vpx_svc_extra_cfg_t *svc_params,

+                                  int spatial_layers, int temporal_layers,

+                                  int temporal_layering_mode,

+                                  int *layer_target_avg_bandwidth,

+                                  int64_t *bits_in_buffer_model) {

+  int sl, spatial_layer_target;

+  float total = 0;

+  float alloc_ratio[VPX_MAX_LAYERS] = { 0 };

+  float framerate = 30.0;

+  for (sl = 0; sl < spatial_layers; ++sl) {

+    if (svc_params->scaling_factor_den[sl] > 0) {

+      alloc_ratio[sl] = (float)(svc_params->scaling_factor_num[sl] * 1.0 /

+                                svc_params->scaling_factor_den[sl]);

+      total += alloc_ratio[sl];

+    }

+  }

+  for (sl = 0; sl < spatial_layers; ++sl) {

+    enc_cfg->ss_target_bitrate[sl] = spatial_layer_target =

+        (unsigned int)(enc_cfg->rc_target_bitrate * alloc_ratio[sl] / total);

+    const int index = sl * temporal_layers;

+    if (temporal_layering_mode == 3) {

+      enc_cfg->layer_target_bitrate[index] = spatial_layer_target >> 1;

+      enc_cfg->layer_target_bitrate[index + 1] =

+          (spatial_layer_target >> 1) + (spatial_layer_target >> 2);

+      enc_cfg->layer_target_bitrate[index + 2] = spatial_layer_target;

+    } else if (temporal_layering_mode == 2) {

+      enc_cfg->layer_target_bitrate[index] = spatial_layer_target * 2 / 3;

+      enc_cfg->layer_target_bitrate[index + 1] = spatial_layer_target;

+    } else if (temporal_layering_mode <= 1) {

+      enc_cfg->layer_target_bitrate[index] = spatial_layer_target;

+    }

+  }

+  for (sl = 0; sl < spatial_layers; ++sl) {

+    for (int tl = 0; tl < temporal_layers; ++tl) {

+      const int layer = sl * temporal_layers + tl;

+      float layer_framerate = framerate;

+      if (temporal_layers == 2 && tl == 0) layer_framerate = framerate / 2;

+      if (temporal_layers == 3 && tl == 0) layer_framerate = framerate / 4;

+      if (temporal_layers == 3 && tl == 1) layer_framerate = framerate / 2;

+      layer_target_avg_bandwidth[layer] = static_cast<int>(

+          enc_cfg->layer_target_bitrate[layer] * 1000.0 / layer_framerate);

+      bits_in_buffer_model[layer] =

+          enc_cfg->layer_target_bitrate[layer] * enc_cfg->rc_buf_initial_sz;

+    }

+  }

+}

+static void CheckLayerRateTargeting(vpx_codec_enc_cfg_t *const cfg,

+                                    int number_spatial_layers,

+                                    int number_temporal_layers,

+                                    double *file_datarate,

+                                    double thresh_overshoot,

+                                    double thresh_undershoot) {

+  for (int sl = 0; sl < number_spatial_layers; ++sl)

+    for (int tl = 0; tl < number_temporal_layers; ++tl) {

+      const int layer = sl * number_temporal_layers + tl;

+      ASSERT_GE(cfg->layer_target_bitrate[layer],

+                file_datarate[layer] * thresh_overshoot)

+          << " The datarate for the file exceeds the target by too much!";

+      ASSERT_LE(cfg->layer_target_bitrate[layer],

+                file_datarate[layer] * thresh_undershoot)

+          << " The datarate for the file is lower than the target by too much!";

+    }

+}

+class DatarateOnePassCbrSvc

+    : public ::libvpx_test::EncoderTest,

+      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {

+ public:

+  DatarateOnePassCbrSvc() : EncoderTest(GET_PARAM(0)) {

+    memset(&svc_params_, 0, sizeof(svc_params_));

+  }

+  virtual ~DatarateOnePassCbrSvc() {}

+ protected:

+  virtual void SetUp() {

+    InitializeConfig();

+    SetMode(GET_PARAM(1));

+    speed_setting_ = GET_PARAM(2);

+    ResetModel();

+  }

+  virtual void ResetModel() {

+    last_pts_ = 0;

+    duration_ = 0.0;

+    mismatch_psnr_ = 0.0;

+    mismatch_nframes_ = 0;

+    denoiser_on_ = 0;

+    tune_content_ = 0;

+    base_speed_setting_ = 5;

+    spatial_layer_id_ = 0;

+    temporal_layer_id_ = 0;

+    update_pattern_ = 0;

+    memset(bits_in_buffer_model_, 0, sizeof(bits_in_buffer_model_));

+    memset(bits_total_, 0, sizeof(bits_total_));

+    memset(layer_target_avg_bandwidth_, 0, sizeof(layer_target_avg_bandwidth_));

+    dynamic_drop_layer_ = false;

+    change_bitrate_ = false;

+    last_pts_ref_ = 0;

+    middle_bitrate_ = 0;

+    top_bitrate_ = 0;

+    superframe_count_ = -1;

+    key_frame_spacing_ = 9999;

+    num_nonref_frames_ = 0;

+    constrained_framedrop_ = 0;

+  }

+  virtual void BeginPassHook(unsigned int /*pass*/) {}

+  // Example pattern for spatial layers and 2 temporal layers used in the

+  // bypass/flexible mode. The pattern corresponds to the pattern

+  // VP9E_TEMPORAL_LAYERING_MODE_0101 (temporal_layering_mode == 2) used in

+  // non-flexible mode, except that we disable inter-layer prediction.

+  void set_frame_flags_bypass_mode(

+      int tl, int num_spatial_layers, int is_key_frame,

+      vpx_svc_ref_frame_config_t *ref_frame_config) {

+    for (int sl = 0; sl < num_spatial_layers; ++sl) {

+      if (!tl) {

+        if (!sl) {

+          ref_frame_config->frame_flags[sl] =

+              VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |

+              VP8_EFLAG_NO_UPD_ARF;

+        } else {

+          if (is_key_frame) {

+            ref_frame_config->frame_flags[sl] =

+                VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |

+                VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;

+          } else {

+            ref_frame_config->frame_flags[sl] =

+                VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF |

+                VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;

+          }

+        }

+      } else if (tl == 1) {

+        if (!sl) {

+          ref_frame_config->frame_flags[sl] =

+              VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |

+              VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;

+        } else {

+          ref_frame_config->frame_flags[sl] =

+              VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_LAST |

+              VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_REF_GF;

+        }

+      }

+      if (tl == 0) {

+        ref_frame_config->lst_fb_idx[sl] = sl;

+        if (sl) {

+          if (is_key_frame) {

+            ref_frame_config->lst_fb_idx[sl] = sl - 1;

+            ref_frame_config->gld_fb_idx[sl] = sl;

+          } else {

+            ref_frame_config->gld_fb_idx[sl] = sl - 1;

+          }

+        } else {

+          ref_frame_config->gld_fb_idx[sl] = 0;

+        }

+        ref_frame_config->alt_fb_idx[sl] = 0;

+      } else if (tl == 1) {

+        ref_frame_config->lst_fb_idx[sl] = sl;

+        ref_frame_config->gld_fb_idx[sl] = num_spatial_layers + sl - 1;

+        ref_frame_config->alt_fb_idx[sl] = num_spatial_layers + sl;

+      }

+    }

+  }

+  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,

+                                  ::libvpx_test::Encoder *encoder) {

+    if (video->frame() == 0) {

+      int i;

+      for (i = 0; i < VPX_MAX_LAYERS; ++i) {

+        svc_params_.max_quantizers[i] = 63;

+        svc_params_.min_quantizers[i] = 0;

+      }

+      svc_params_.speed_per_layer[0] = base_speed_setting_;

+      for (i = 1; i < VPX_SS_MAX_LAYERS; ++i) {

+        svc_params_.speed_per_layer[i] = speed_setting_;

+      }

+      encoder->Control(VP9E_SET_NOISE_SENSITIVITY, denoiser_on_);

+      encoder->Control(VP9E_SET_SVC, 1);

+      encoder->Control(VP9E_SET_SVC_PARAMETERS, &svc_params_);

+      encoder->Control(VP8E_SET_CPUUSED, speed_setting_);

+      encoder->Control(VP9E_SET_TILE_COLUMNS, 0);

+      encoder->Control(VP8E_SET_MAX_INTRA_BITRATE_PCT, 300);

+      encoder->Control(VP9E_SET_TILE_COLUMNS, (cfg_.g_threads >> 1));

+      encoder->Control(VP9E_SET_ROW_MT, 1);

+      encoder->Control(VP8E_SET_STATIC_THRESHOLD, 1);

+      encoder->Control(VP9E_SET_TUNE_CONTENT, tune_content_);

+      if (constrained_framedrop_) {

+        vpx_svc_frame_drop_t svc_drop_frame;

+        svc_drop_frame.framedrop_mode = CONSTRAINED_LAYER_DROP;

+        for (i = 0; i < number_spatial_layers_; i++)

+          svc_drop_frame.framedrop_thresh[i] = 30;

+        encoder->Control(VP9E_SET_SVC_FRAME_DROP_LAYER, &svc_drop_frame);

+      }

+    }

+    superframe_count_++;

+    temporal_layer_id_ = 0;

+    if (number_temporal_layers_ == 2)

+      temporal_layer_id_ = (superframe_count_ % 2 != 0);

+    else if (number_temporal_layers_ == 3) {

+      if (superframe_count_ % 2 != 0) temporal_layer_id_ = 2;

+      if (superframe_count_ > 1) {

+        if ((superframe_count_ - 2) % 4 == 0) temporal_layer_id_ = 1;

+      }

+    }

+    if (update_pattern_ && video->frame() >= 100) {

+      vpx_svc_layer_id_t layer_id;

+      if (video->frame() == 100) {

+        cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

+        encoder->Config(&cfg_);

+      }

+      // Set layer id since the pattern changed.

+      layer_id.spatial_layer_id = 0;

+      layer_id.temporal_layer_id = (video->frame() % 2 != 0);

+      temporal_layer_id_ = layer_id.temporal_layer_id;

+      encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);

+      set_frame_flags_bypass_mode(layer_id.temporal_layer_id,

+                                  number_spatial_layers_, 0, &ref_frame_config);

+      encoder->Control(VP9E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config);

+    }

+    if (change_bitrate_ && video->frame() == 200) {

+      duration_ = (last_pts_ + 1) * timebase_;

+      for (int sl = 0; sl < number_spatial_layers_; ++sl) {

+        for (int tl = 0; tl < number_temporal_layers_; ++tl) {

+          const int layer = sl * number_temporal_layers_ + tl;

+          const double file_size_in_kb = bits_total_[layer] / 1000.;

+          file_datarate_[layer] = file_size_in_kb / duration_;

+        }

+      }

+      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                              number_temporal_layers_, file_datarate_, 0.78,

+                              1.15);

+      memset(file_datarate_, 0, sizeof(file_datarate_));

+      memset(bits_total_, 0, sizeof(bits_total_));

+      int64_t bits_in_buffer_model_tmp[VPX_MAX_LAYERS];

+      last_pts_ref_ = last_pts_;

+      // Set new target bitarate.

+      cfg_.rc_target_bitrate = cfg_.rc_target_bitrate >> 1;

+      // Buffer level should not reset on dynamic bitrate change.

+      memcpy(bits_in_buffer_model_tmp, bits_in_buffer_model_,

+             sizeof(bits_in_buffer_model_));

+      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

+      memcpy(bits_in_buffer_model_, bits_in_buffer_model_tmp,

+             sizeof(bits_in_buffer_model_));

+      // Change config to update encoder with new bitrate configuration.

+      encoder->Config(&cfg_);

+    }

+    if (dynamic_drop_layer_) {

+      if (video->frame() == 50) {

+        // Change layer bitrates to set top layers to 0. This will trigger skip

+        // encoding/dropping of top two spatial layers.

+        cfg_.rc_target_bitrate -=

+            (cfg_.layer_target_bitrate[1] + cfg_.layer_target_bitrate[2]);

+        middle_bitrate_ = cfg_.layer_target_bitrate[1];

+        top_bitrate_ = cfg_.layer_target_bitrate[2];

+        cfg_.layer_target_bitrate[1] = 0;

+        cfg_.layer_target_bitrate[2] = 0;

+        encoder->Config(&cfg_);

+      } else if (video->frame() == 100) {

+        // Change layer bitrate on second layer to non-zero to start

+        // encoding it again.

+        cfg_.layer_target_bitrate[1] = middle_bitrate_;

+        cfg_.rc_target_bitrate += cfg_.layer_target_bitrate[1];

+        encoder->Config(&cfg_);

+      } else if (video->frame() == 200) {

+        // Change layer bitrate on top layer to non-zero to start

+        // encoding it again.

+        cfg_.layer_target_bitrate[2] = top_bitrate_;

+        cfg_.rc_target_bitrate += cfg_.layer_target_bitrate[2];

+        encoder->Config(&cfg_);

+      }

+    }

+    const vpx_rational_t tb = video->timebase();

+    timebase_ = static_cast<double>(tb.num) / tb.den;

+    duration_ = 0;

+  }

+  virtual void PostEncodeFrameHook() {

+    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

+      for (int tl = temporal_layer_id_; tl < number_temporal_layers_; ++tl) {

+        const int layer = sl * number_temporal_layers_ + tl;

+        bits_in_buffer_model_[layer] +=

+            static_cast<int64_t>(layer_target_avg_bandwidth_[layer]);

+      }

+    }

+  }

+  vpx_codec_err_t parse_superframe_index(const uint8_t *data, size_t data_sz,

+                                         uint32_t sizes[8], int *count) {

+    uint8_t marker;

+    marker = *(data + data_sz - 1);

+    *count = 0;

+    if ((marker & 0xe0) == 0xc0) {

+      const uint32_t frames = (marker & 0x7) + 1;

+      const uint32_t mag = ((marker >> 3) & 0x3) + 1;

+      const size_t index_sz = 2 + mag * frames;

+      // This chunk is marked as having a superframe index but doesn't have

+      // enough data for it, thus it's an invalid superframe index.

+      if (data_sz < index_sz) return VPX_CODEC_CORRUPT_FRAME;

+      {

+        const uint8_t marker2 = *(data + data_sz - index_sz);

+        // This chunk is marked as having a superframe index but doesn't have

+        // the matching marker byte at the front of the index therefore it's an

+        // invalid chunk.

+        if (marker != marker2) return VPX_CODEC_CORRUPT_FRAME;

+      }

+      {

+        uint32_t i, j;

+        const uint8_t *x = &data[data_sz - index_sz + 1];

+        for (i = 0; i < frames; ++i) {

+          uint32_t this_sz = 0;

+          for (j = 0; j < mag; ++j) this_sz |= (*x++) << (j * 8);

+          sizes[i] = this_sz;

+        }

+        *count = frames;

+      }

+    }

+    return VPX_CODEC_OK;

+  }

+  virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {

+    uint32_t sizes[8] = { 0 };

+    uint32_t sizes_parsed[8] = { 0 };

+    int count = 0;

+    int num_layers_encoded = 0;

+    last_pts_ = pkt->data.frame.pts;

+    const bool key_frame =

+        (pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? true : false;

+    if (key_frame) {

+      temporal_layer_id_ = 0;

+      superframe_count_ = 0;

+    }

+    parse_superframe_index(static_cast<const uint8_t *>(pkt->data.frame.buf),

+                           pkt->data.frame.sz, sizes_parsed, &count);

+    // Count may be less than number of spatial layers because of frame drops.

+    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

+      if (pkt->data.frame.spatial_layer_encoded[sl]) {

+        sizes[sl] = sizes_parsed[num_layers_encoded];

+        num_layers_encoded++;

+      }

+    }

+    ASSERT_EQ(count, num_layers_encoded);

+    // In the constrained frame drop mode, if a given spatial is dropped all

+    // upper layers must be dropped too.

+    if (constrained_framedrop_) {

+      for (int sl = 0; sl < number_spatial_layers_; ++sl) {

+        if (!pkt->data.frame.spatial_layer_encoded[sl]) {

+          // Check that all upper layers are dropped.

+          for (int sl2 = sl + 1; sl2 < number_spatial_layers_; ++sl2)

+            ASSERT_EQ(pkt->data.frame.spatial_layer_encoded[sl2], 0);

+        }

+      }

+    }

+    // Keep track of number of non-reference frames, needed for mismatch check.

+    // Non-reference frames are top spatial and temporal layer frames,

+    // for TL > 0.

+    if (temporal_layer_id_ == number_temporal_layers_ - 1 &&

+        temporal_layer_id_ > 0 &&

+        pkt->data.frame.spatial_layer_encoded[number_spatial_layers_ - 1])

+      num_nonref_frames_++;

+    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

+      sizes[sl] = sizes[sl] << 3;

+      // Update the total encoded bits per layer.

+      // For temporal layers, update the cumulative encoded bits per layer.

+      for (int tl = temporal_layer_id_; tl < number_temporal_layers_; ++tl) {

+        const int layer = sl * number_temporal_layers_ + tl;

+        bits_total_[layer] += static_cast<int64_t>(sizes[sl]);

+        // Update the per-layer buffer level with the encoded frame size.

+        bits_in_buffer_model_[layer] -= static_cast<int64_t>(sizes[sl]);

+        // There should be no buffer underrun, except on the base

+        // temporal layer, since there may be key frames there.

+        // Fo short key frame spacing, buffer can underrun on individual frames.

+        if (!key_frame && tl > 0 && key_frame_spacing_ < 100) {

+          ASSERT_GE(bits_in_buffer_model_[layer], 0)

+              << "Buffer Underrun at frame " << pkt->data.frame.pts;

+        }

+      }

+      ASSERT_EQ(pkt->data.frame.width[sl],

+                top_sl_width_ * svc_params_.scaling_factor_num[sl] /

+                    svc_params_.scaling_factor_den[sl]);

+      ASSERT_EQ(pkt->data.frame.height[sl],

+                top_sl_height_ * svc_params_.scaling_factor_num[sl] /

+                    svc_params_.scaling_factor_den[sl]);

+    }

+  }

+  virtual void EndPassHook(void) {

+    if (change_bitrate_) last_pts_ = last_pts_ - last_pts_ref_;

+    duration_ = (last_pts_ + 1) * timebase_;

+    for (int sl = 0; sl < number_spatial_layers_; ++sl) {

+      for (int tl = 0; tl < number_temporal_layers_; ++tl) {

+        const int layer = sl * number_temporal_layers_ + tl;

+        const double file_size_in_kb = bits_total_[layer] / 1000.;

+        file_datarate_[layer] = file_size_in_kb / duration_;

+      }

+    }

+  }

+  virtual void MismatchHook(const vpx_image_t *img1, const vpx_image_t *img2) {

+    double mismatch_psnr = compute_psnr(img1, img2);

+    mismatch_psnr_ += mismatch_psnr;

+    ++mismatch_nframes_;

+  }

+  unsigned int GetMismatchFrames() { return mismatch_nframes_; }

+  vpx_codec_pts_t last_pts_;

+  int64_t bits_in_buffer_model_[VPX_MAX_LAYERS];

+  double timebase_;

+  int64_t bits_total_[VPX_MAX_LAYERS];

+  double duration_;

+  double file_datarate_[VPX_MAX_LAYERS];

+  size_t bits_in_last_frame_;

+  vpx_svc_extra_cfg_t svc_params_;

+  int speed_setting_;

+  double mismatch_psnr_;

+  int mismatch_nframes_;

+  int denoiser_on_;

+  int tune_content_;

+  int base_speed_setting_;

+  int spatial_layer_id_;

+  int temporal_layer_id_;

+  int number_spatial_layers_;

+  int number_temporal_layers_;

+  int layer_target_avg_bandwidth_[VPX_MAX_LAYERS];

+  bool dynamic_drop_layer_;

+  unsigned int top_sl_width_;

+  unsigned int top_sl_height_;

+  vpx_svc_ref_frame_config_t ref_frame_config;

+  int update_pattern_;

+  bool change_bitrate_;

+  vpx_codec_pts_t last_pts_ref_;

+  int middle_bitrate_;

+  int top_bitrate_;

+  int superframe_count_;

+  int key_frame_spacing_;

+  unsigned int num_nonref_frames_;

+  int constrained_framedrop_;

+};

+// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and 1

+// temporal layer, with screen content mode on and same speed setting for all

+// layers.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL1TLScreenContent1) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 2;

+  cfg_.ts_number_layers = 1;

+  cfg_.ts_rate_decimator[0] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 0;

+  svc_params_.scaling_factor_num[0] = 144;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 288;

+  svc_params_.scaling_factor_den[1] = 288;

+  cfg_.rc_dropframe_thresh = 10;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

+  top_sl_width_ = 1280;

+  top_sl_height_ = 720;

+  cfg_.rc_target_bitrate = 500;

+  ResetModel();

+  tune_content_ = 1;

+  base_speed_setting_ = speed_setting_;

+  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and

+// 3 temporal layers. Run CIF clip with 1 thread.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TL) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 2;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 144;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 288;

+  svc_params_.scaling_factor_den[1] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  // TODO(marpan): Check that effective_datarate for each layer hits the

+  // layer target_bitrate.

+  for (int i = 200; i <= 800; i += 200) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                          cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                          layer_target_avg_bandwidth_, bits_in_buffer_model_);

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                            number_temporal_layers_, file_datarate_, 0.75, 1.2);

+#if CONFIG_VP9_DECODER

+    // The non-reference frames are expected to be mismatched frames as the

+    // encoder will avoid loopfilter on these frames.

+    EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+  }

+}

+// Check basic rate targeting for 1 pass CBR SVC with denoising.

+// 2 spatial layers and 3 temporal layer. Run HD clip with 2 threads.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TLDenoiserOn) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 2;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 2;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 144;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 288;

+  svc_params_.scaling_factor_den[1] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  // TODO(marpan): Check that effective_datarate for each layer hits the

+  // layer target_bitrate.

+  // For SVC, noise_sen = 1 means denoising only the top spatial layer

+  // noise_sen = 2 means denoising the two top spatial layers.

+  for (int noise_sen = 1; noise_sen <= 2; noise_sen++) {

+    for (int i = 600; i <= 1000; i += 200) {

+      cfg_.rc_target_bitrate = i;

+      ResetModel();

+      denoiser_on_ = noise_sen;

+      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

+      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                              number_temporal_layers_, file_datarate_, 0.78,

+                              1.15);

+#if CONFIG_VP9_DECODER

+      // The non-reference frames are expected to be mismatched frames as the

+      // encoder will avoid loopfilter on these frames.

+      EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+    }

+  }

+}

+// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and 3

+// temporal layers. Run CIF clip with 1 thread, and few short key frame periods.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TLSmallKf) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 2;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 144;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 288;

+  svc_params_.scaling_factor_den[1] = 288;

+  cfg_.rc_dropframe_thresh = 10;

+  cfg_.rc_target_bitrate = 400;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  // For this 3 temporal layer case, pattern repeats every 4 frames, so choose

+  // 4 key neighboring key frame periods (so key frame will land on 0-2-1-2).

+  for (int j = 64; j <= 67; j++) {

+    cfg_.kf_max_dist = j;

+    key_frame_spacing_ = j;

+    ResetModel();

+    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                          cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                          layer_target_avg_bandwidth_, bits_in_buffer_model_);

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                            number_temporal_layers_, file_datarate_, 0.78,

+                            1.15);

+#if CONFIG_VP9_DECODER

+    // The non-reference frames are expected to be mismatched frames as the

+    // encoder will avoid loopfilter on these frames.

+    EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+  }

+}

+// Check basic rate targeting for 1 pass CBR SVC: 2 spatial layers and

+// 3 temporal layers. Run HD clip with 4 threads.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL3TL4Threads) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 2;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 4;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 144;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 288;

+  svc_params_.scaling_factor_den[1] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

+  top_sl_width_ = 1280;

+  top_sl_height_ = 720;

+  constrained_framedrop_ = 0;

+  for (int k = 0; k < 2; k++) {

+    for (int i = 200; i <= 600; i += 200) {

+      cfg_.rc_target_bitrate = i;

+      ResetModel();

+      constrained_framedrop_ = k;

+      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

+      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                              number_temporal_layers_, file_datarate_, 0.75,

+                              1.2);

+#if CONFIG_VP9_DECODER

+      // The non-reference frames are expected to be mismatched frames as the

+      // encoder will avoid loopfilter on these frames.

+      EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+    }

+  }

+}

+// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and

+// 3 temporal layers. Run CIF clip with 1 thread.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TL) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 3;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 72;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 144;

+  svc_params_.scaling_factor_den[1] = 288;

+  svc_params_.scaling_factor_num[2] = 288;

+  svc_params_.scaling_factor_den[2] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  cfg_.rc_target_bitrate = 800;

+  ResetModel();

+  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+// Check rate targeting for 1 pass CBR SVC: 3 spatial layers and

+// 3 temporal layers, changing the target bitrate at the middle of encoding.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TLDynamicBitrateChange) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 3;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 72;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 144;

+  svc_params_.scaling_factor_den[1] = 288;

+  svc_params_.scaling_factor_num[2] = 288;

+  svc_params_.scaling_factor_den[2] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  cfg_.rc_target_bitrate = 800;

+  ResetModel();

+  change_bitrate_ = true;

+  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and

+// 2 temporal layers, with a change on the fly from the fixed SVC pattern to one

+// generate via SVC_SET_REF_FRAME_CONFIG. The new pattern also disables

+// inter-layer prediction.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL2TLDynamicPatternChange) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 3;

+  cfg_.ts_number_layers = 2;

+  cfg_.ts_rate_decimator[0] = 2;

+  cfg_.ts_rate_decimator[1] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 2;

+  svc_params_.scaling_factor_num[0] = 72;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 144;

+  svc_params_.scaling_factor_den[1] = 288;

+  svc_params_.scaling_factor_num[2] = 288;

+  svc_params_.scaling_factor_den[2] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  // Change SVC pattern on the fly.

+  update_pattern_ = 1;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  cfg_.rc_target_bitrate = 800;

+  ResetModel();

+  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+// Check basic rate targeting for 1 pass CBR SVC with 3 spatial layers and on

+// the fly switching to 1 and then 2 and back to 3 spatial layers. This switch

+// is done by setting spatial layer bitrates to 0, and then back to non-zero,

+// during the sequence.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL_DisableEnableLayers) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 3;

+  cfg_.ts_number_layers = 1;

+  cfg_.ts_rate_decimator[0] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 0;

+  svc_params_.scaling_factor_num[0] = 72;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 144;

+  svc_params_.scaling_factor_den[1] = 288;

+  svc_params_.scaling_factor_num[2] = 288;

+  svc_params_.scaling_factor_den[2] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  cfg_.rc_target_bitrate = 800;

+  ResetModel();

+  dynamic_drop_layer_ = true;

+  assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                        cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                        layer_target_avg_bandwidth_, bits_in_buffer_model_);

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  // Don't check rate targeting on top spatial layer since it will be skipped

+  // for part of the sequence.

+  CheckLayerRateTargeting(&cfg_, number_spatial_layers_ - 1,

+                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and 3

+// temporal layers. Run CIF clip with 1 thread, and few short key frame periods.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TLSmallKf) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 3;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 1;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 72;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 144;

+  svc_params_.scaling_factor_den[1] = 288;

+  svc_params_.scaling_factor_num[2] = 288;

+  svc_params_.scaling_factor_den[2] = 288;

+  cfg_.rc_dropframe_thresh = 10;

+  cfg_.rc_target_bitrate = 800;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,

+                                       0, 400);

+  top_sl_width_ = 640;

+  top_sl_height_ = 480;

+  // For this 3 temporal layer case, pattern repeats every 4 frames, so choose

+  // 4 key neighboring key frame periods (so key frame will land on 0-2-1-2).

+  for (int j = 32; j <= 35; j++) {

+    cfg_.kf_max_dist = j;

+    key_frame_spacing_ = j;

+    ResetModel();

+    assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                          cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                          layer_target_avg_bandwidth_, bits_in_buffer_model_);

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                            number_temporal_layers_, file_datarate_, 0.78,

+                            1.15);

+#if CONFIG_VP9_DECODER

+    // The non-reference frames are expected to be mismatched frames as the

+    // encoder will avoid loopfilter on these frames.

+    EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+  }

+}

+// Check basic rate targeting for 1 pass CBR SVC: 3 spatial layers and

+// 3 temporal layers. Run HD clip with 4 threads.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc3SL3TL4Threads) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 3;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 4;

+  cfg_.temporal_layering_mode = 3;

+  svc_params_.scaling_factor_num[0] = 72;

+  svc_params_.scaling_factor_den[0] = 288;

+  svc_params_.scaling_factor_num[1] = 144;

+  svc_params_.scaling_factor_den[1] = 288;

+  svc_params_.scaling_factor_num[2] = 288;

+  svc_params_.scaling_factor_den[2] = 288;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.kf_max_dist = 9999;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

+  top_sl_width_ = 1280;

+  top_sl_height_ = 720;

+  constrained_framedrop_ = 0;

+  for (int k = 0; k < 2; k++) {

+    for (int i = 200; i <= 600; i += 200) {

+      cfg_.rc_target_bitrate = i;

+      ResetModel();

+      constrained_framedrop_ = k;

+      assign_layer_bitrates(&cfg_, &svc_params_, cfg_.ss_number_layers,

+                            cfg_.ts_number_layers, cfg_.temporal_layering_mode,

+                            layer_target_avg_bandwidth_, bits_in_buffer_model_);

+      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+      CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                              number_temporal_layers_, file_datarate_, 0.73,

+                              1.2);

+#if CONFIG_VP9_DECODER

+      // The non-reference frames are expected to be mismatched frames as the

+      // encoder will avoid loopfilter on these frames.

+      EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+    }

+  }

+}

+// Run SVC encoder for 1 temporal layer, 2 spatial layers, with spatial

+// downscale 5x5.

+TEST_P(DatarateOnePassCbrSvc, OnePassCbrSvc2SL1TL5x5MultipleRuns) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.ss_number_layers = 2;

+  cfg_.ts_number_layers = 1;

+  cfg_.ts_rate_decimator[0] = 1;

+  cfg_.g_error_resilient = 1;

+  cfg_.g_threads = 3;

+  cfg_.temporal_layering_mode = 0;

+  svc_params_.scaling_factor_num[0] = 256;

+  svc_params_.scaling_factor_den[0] = 1280;

+  svc_params_.scaling_factor_num[1] = 1280;

+  svc_params_.scaling_factor_den[1] = 1280;

+  cfg_.rc_dropframe_thresh = 10;

+  cfg_.kf_max_dist = 999999;

+  cfg_.kf_min_dist = 0;

+  cfg_.ss_target_bitrate[0] = 300;

+  cfg_.ss_target_bitrate[1] = 1400;

+  cfg_.layer_target_bitrate[0] = 300;

+  cfg_.layer_target_bitrate[1] = 1400;

+  cfg_.rc_target_bitrate = 1700;

+  number_spatial_layers_ = cfg_.ss_number_layers;

+  number_temporal_layers_ = cfg_.ts_number_layers;

+  ResetModel();

+  layer_target_avg_bandwidth_[0] = cfg_.layer_target_bitrate[0] * 1000 / 30;

+  bits_in_buffer_model_[0] =

+      cfg_.layer_target_bitrate[0] * cfg_.rc_buf_initial_sz;

+  layer_target_avg_bandwidth_[1] = cfg_.layer_target_bitrate[1] * 1000 / 30;

+  bits_in_buffer_model_[1] =

+      cfg_.layer_target_bitrate[1] * cfg_.rc_buf_initial_sz;

+  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);

+  top_sl_width_ = 1280;

+  top_sl_height_ = 720;

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  CheckLayerRateTargeting(&cfg_, number_spatial_layers_,

+                          number_temporal_layers_, file_datarate_, 0.78, 1.15);

+#if CONFIG_VP9_DECODER

+  // The non-reference frames are expected to be mismatched frames as the

+  // encoder will avoid loopfilter on these frames.

+  EXPECT_EQ(num_nonref_frames_, GetMismatchFrames());

+#endif

+}

+VP9_INSTANTIATE_TEST_CASE(DatarateOnePassCbrSvc,

+                          ::testing::Values(::libvpx_test::kRealTime),

+                          ::testing::Range(5, 9));

+}  // namespace

--- a/test/test.mk

+++ b/test/test.mk

@@ -22,7 +22,9 @@

 LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += altref_test.cc

 LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += aq_segment_test.cc

 LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += alt_ref_aq_segment_test.cc

-LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += datarate_test.cc

+LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += vp8_datarate_test.cc

+LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += vp9_datarate_test.cc

+LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += svc_datarate_test.cc

 LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += encode_api_test.cc

 LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += error_resilience_test.cc

 LIBVPX_TEST_SRCS-$(CONFIG_ENCODERS)    += i420_video_source.h

--- /dev/null

+++ b/test/vp8_datarate_test.cc

@@ -1,0 +1,513 @@

+/*

+ *  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_;

+    }

+  }

+  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) {

+  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!";

+  }

+}

+// Check basic datarate targeting, for a single bitrate, when denoiser is off

+// and on.

+TEST_P(DatarateTestLarge, DenoiserOffOn) {

+  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!";

+}

+#endif  // CONFIG_TEMPORAL_DENOISING

+TEST_P(DatarateTestLarge, BasicBufferModel) {

+  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!";

+  }

+}

+TEST_P(DatarateTestLarge, ChangingDropFrameThresh) {

+  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_;

+  }

+}

+TEST_P(DatarateTestLarge, DropFramesMultiThreads) {

+  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!";

+}

+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) {

+  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!";

+  }

+}

+// Check basic datarate targeting, for a single bitrate, when denoiser is off

+// and on.

+TEST_P(DatarateTestRealTime, DenoiserOffOn) {

+  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!";

+}

+#endif  // CONFIG_TEMPORAL_DENOISING

+TEST_P(DatarateTestRealTime, BasicBufferModel) {

+  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://bugs.chromium.org/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 above (#495).

+  // TODO(jimbankoski/marpan): Update test to run for lower bitrates (< 100),

+  // when the issue is resolved.

+  for (int i = 100; i <= 700; 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!";

+  }

+}

+TEST_P(DatarateTestRealTime, ChangingDropFrameThresh) {

+  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);

+  // 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_;

+  }

+}

+TEST_P(DatarateTestRealTime, DropFramesMultiThreads) {

+  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;

+  // Encode using multiple threads.

+  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!";

+}

+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!";

+}

+VP8_INSTANTIATE_TEST_CASE(DatarateTestLarge, ALL_TEST_MODES,

+                          ::testing::Values(0));

+VP8_INSTANTIATE_TEST_CASE(DatarateTestRealTime,

+                          ::testing::Values(::libvpx_test::kRealTime),

+                          ::testing::Values(-6, -12));

+}  // namespace

--- /dev/null

+++ b/test/vp9_datarate_test.cc

@@ -1,0 +1,793 @@

+/*

+ *  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 DatarateTestVP9Large

+    : public ::libvpx_test::EncoderTest,

+      public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {

+ public:

+  DatarateTestVP9Large() : EncoderTest(GET_PARAM(0)) {}

+ protected:

+  virtual ~DatarateTestVP9Large() {}

+  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;

+    tot_frame_number_ = 0;

+    first_drop_ = 0;

+    num_drops_ = 0;

+    // Denoiser is off by default.

+    denoiser_on_ = 0;

+    // For testing up to 3 layers.

+    for (int i = 0; i < 3; ++i) {

+      bits_total_[i] = 0;

+    }

+    denoiser_offon_test_ = 0;

+    denoiser_offon_period_ = -1;

+    frame_parallel_decoding_mode_ = 1;

+    use_roi_ = false;

+  }

+  //

+  // Frame flags and layer id for temporal layers.

+  //

+  // For two layers, test pattern is:

+  //   1     3

+  // 0    2     .....

+  // For three layers, test pattern is:

+  //   1      3    5      7

+  //      2           6

+  // 0          4            ....

+  // LAST is always update on base/layer 0, GOLDEN is updated on layer 1.

+  // For this 3 layer example, the 2nd enhancement layer (layer 2) updates

+  // the altref frame.

+  int SetFrameFlags(int frame_num, int num_temp_layers) {

+    int frame_flags = 0;

+    if (num_temp_layers == 2) {

+      if (frame_num % 2 == 0) {

+        // Layer 0: predict from L and ARF, update L.

+        frame_flags =

+            VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;

+      } else {

+        // Layer 1: predict from L, G and ARF, and update G.

+        frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |

+                      VP8_EFLAG_NO_UPD_ENTROPY;

+      }

+    } else if (num_temp_layers == 3) {

+      if (frame_num % 4 == 0) {

+        // Layer 0: predict from L and ARF; update L.

+        frame_flags =

+            VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF;

+      } else if ((frame_num - 2) % 4 == 0) {

+        // Layer 1: predict from L, G, ARF; update G.

+        frame_flags = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST;

+      } else if ((frame_num - 1) % 2 == 0) {

+        // Layer 2: predict from L, G, ARF; update ARF.

+        frame_flags = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_LAST;

+      }

+    }

+    return frame_flags;

+  }

+  int SetLayerId(int frame_num, int num_temp_layers) {

+    int layer_id = 0;

+    if (num_temp_layers == 2) {

+      if (frame_num % 2 == 0) {

+        layer_id = 0;

+      } else {

+        layer_id = 1;

+      }

+    } else if (num_temp_layers == 3) {

+      if (frame_num % 4 == 0) {

+        layer_id = 0;

+      } else if ((frame_num - 2) % 4 == 0) {

+        layer_id = 1;

+      } else if ((frame_num - 1) % 2 == 0) {

+        layer_id = 2;

+      }

+    }

+    return layer_id;

+  }

+  virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,

+                                  ::libvpx_test::Encoder *encoder) {

+    if (video->frame() == 0) encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);

+    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(VP9E_SET_NOISE_SENSITIVITY, denoiser_on_);

+    encoder->Control(VP9E_SET_TILE_COLUMNS, (cfg_.g_threads >> 1));

+    encoder->Control(VP9E_SET_FRAME_PARALLEL_DECODING,

+                     frame_parallel_decoding_mode_);

+    if (use_roi_) {

+      encoder->Control(VP9E_SET_ROI_MAP, &roi_);

+    }

+    if (cfg_.ts_number_layers > 1) {

+      if (video->frame() == 0) {

+        encoder->Control(VP9E_SET_SVC, 1);

+      }

+      vpx_svc_layer_id_t layer_id;

+      layer_id.spatial_layer_id = 0;

+      frame_flags_ = SetFrameFlags(video->frame(), cfg_.ts_number_layers);

+      layer_id.temporal_layer_id =

+          SetLayerId(video->frame(), cfg_.ts_number_layers);

+      encoder->Control(VP9E_SET_SVC_LAYER_ID, &layer_id);

+    }

+    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_;

+    if (duration > 1) {

+      // If first drop not set and we have a drop set it to this time.

+      if (!first_drop_) first_drop_ = last_pts_ + 1;

+      // Update the number of frame drops.

+      num_drops_ += static_cast<int>(duration - 1);

+      // Update counter for total number of frames (#frames input to encoder).

+      // Needed for setting the proper layer_id below.

+      tot_frame_number_ += static_cast<int>(duration - 1);

+    }

+    int layer = SetLayerId(tot_frame_number_, cfg_.ts_number_layers);

+    // 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);

+    // Buffer should not go negative.

+    ASSERT_GE(bits_in_buffer_model_, 0)

+        << "Buffer Underrun at frame " << pkt->data.frame.pts;

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

+    // Update the total encoded bits. For temporal layers, update the cumulative

+    // encoded bits per layer.

+    for (int i = layer; i < static_cast<int>(cfg_.ts_number_layers); ++i) {

+      bits_total_[i] += frame_size_in_bits;

+    }

+    // Update the most recent pts.

+    last_pts_ = pkt->data.frame.pts;

+    ++frame_number_;

+    ++tot_frame_number_;

+  }

+  virtual void EndPassHook(void) {

+    for (int layer = 0; layer < static_cast<int>(cfg_.ts_number_layers);

+         ++layer) {

+      duration_ = (last_pts_ + 1) * timebase_;

+      if (bits_total_[layer]) {

+        // Effective file datarate:

+        effective_datarate_[layer] = (bits_total_[layer] / 1000.0) / duration_;

+      }

+    }

+  }

+  vpx_codec_pts_t last_pts_;

+  double timebase_;

+  int frame_number_;      // Counter for number of non-dropped/encoded frames.

+  int tot_frame_number_;  // Counter for total number of input frames.

+  int64_t bits_total_[3];

+  double duration_;

+  double effective_datarate_[3];

+  int set_cpu_used_;

+  int64_t bits_in_buffer_model_;

+  vpx_codec_pts_t first_drop_;

+  int num_drops_;

+  int denoiser_on_;

+  int denoiser_offon_test_;

+  int denoiser_offon_period_;

+  int frame_parallel_decoding_mode_;

+  bool use_roi_;

+  vpx_roi_map_t roi_;

+};

+// Check basic rate targeting for VBR mode with 0 lag.

+TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagZero) {

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.g_error_resilient = 0;

+  cfg_.rc_end_usage = VPX_VBR;

+  cfg_.g_lag_in_frames = 0;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 300);

+  for (int i = 400; i <= 800; i += 400) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.75)

+        << " The datarate for the file is lower than target by too much!";

+    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.30)

+        << " The datarate for the file is greater than target by too much!";

+  }

+}

+// Check basic rate targeting for VBR mode with non-zero lag.

+TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagNonZero) {

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.g_error_resilient = 0;

+  cfg_.rc_end_usage = VPX_VBR;

+  // For non-zero lag, rate control will work (be within bounds) for

+  // real-time mode.

+  if (deadline_ == VPX_DL_REALTIME) {

+    cfg_.g_lag_in_frames = 15;

+  } else {

+    cfg_.g_lag_in_frames = 0;

+  }

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 300);

+  for (int i = 400; i <= 800; i += 400) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.75)

+        << " The datarate for the file is lower than target by too much!";

+    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.30)

+        << " The datarate for the file is greater than target by too much!";

+  }

+}

+// Check basic rate targeting for VBR mode with non-zero lag, with

+// frame_parallel_decoding_mode off. This enables the adapt_coeff/mode/mv probs

+// since error_resilience is off.

+TEST_P(DatarateTestVP9Large, BasicRateTargetingVBRLagNonZeroFrameParDecOff) {

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.g_error_resilient = 0;

+  cfg_.rc_end_usage = VPX_VBR;

+  // For non-zero lag, rate control will work (be within bounds) for

+  // real-time mode.

+  if (deadline_ == VPX_DL_REALTIME) {

+    cfg_.g_lag_in_frames = 15;

+  } else {

+    cfg_.g_lag_in_frames = 0;

+  }

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 300);

+  for (int i = 400; i <= 800; i += 400) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    frame_parallel_decoding_mode_ = 0;

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.75)

+        << " The datarate for the file is lower than target by too much!";

+    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.30)

+        << " The datarate for the file is greater than target by too much!";

+  }

+}

+// Check basic rate targeting for CBR mode.

+TEST_P(DatarateTestVP9Large, BasicRateTargeting) {

+  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 = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 140);

+  for (int i = 150; i < 800; i += 200) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+        << " The datarate for the file is lower than target by too much!";

+    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

+        << " The datarate for the file is greater than target by too much!";

+  }

+}

+// Check basic rate targeting for CBR mode, with frame_parallel_decoding_mode

+// off( and error_resilience off).

+TEST_P(DatarateTestVP9Large, BasicRateTargetingFrameParDecOff) {

+  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 = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.g_error_resilient = 0;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 140);

+  for (int i = 150; i < 800; i += 200) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    frame_parallel_decoding_mode_ = 0;

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+        << " The datarate for the file is lower than target by too much!";

+    ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

+        << " The datarate for the file is greater than target by too much!";

+  }

+}

+// Check basic rate targeting for CBR mode, with 2 threads and dropped frames.

+TEST_P(DatarateTestVP9Large, BasicRateTargetingDropFramesMultiThreads) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  cfg_.rc_dropframe_thresh = 30;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_max_quantizer = 63;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  // Encode using multiple threads.

+  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(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+      << " The datarate for the file is lower than target by too much!";

+  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

+      << " The datarate for the file is greater than target by too much!";

+}

+// Check basic rate targeting for CBR.

+TEST_P(DatarateTestVP9Large, BasicRateTargeting444) {

+  ::libvpx_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 = VPX_CBR;

+  for (int i = 250; i < 900; i += 200) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),

+              effective_datarate_[0] * 0.80)

+        << " The datarate for the file exceeds the target by too much!";

+    ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),

+              effective_datarate_[0] * 1.15)

+        << " The datarate for the file missed the target!"

+        << cfg_.rc_target_bitrate << " " << effective_datarate_;

+  }

+}

+// 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(DatarateTestVP9Large, ChangingDropFrameThresh) {

+  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 = VPX_CBR;

+  cfg_.rc_target_bitrate = 200;

+  cfg_.g_lag_in_frames = 0;

+  // TODO(marpan): Investigate datarate target failures with a smaller keyframe

+  // interval (128).

+  cfg_.kf_max_dist = 9999;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 140);

+  const int kDropFrameThreshTestStep = 30;

+  for (int j = 50; j <= 150; j += 100) {

+    cfg_.rc_target_bitrate = j;

+    vpx_codec_pts_t last_drop = 140;

+    int last_num_drops = 0;

+    for (int i = 10; i < 100; i += kDropFrameThreshTestStep) {

+      cfg_.rc_dropframe_thresh = i;

+      ResetModel();

+      ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+      ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+          << " The datarate for the file is lower than target by too much!";

+      ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.25)

+          << " The datarate for the file is greater than target by too much!";

+      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 * 0.85)

+          << " 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 2 temporal layers.

+TEST_P(DatarateTestVP9Large, BasicRateTargeting2TemporalLayers) {

+  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 = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  // 2 Temporal layers, no spatial layers: Framerate decimation (2, 1).

+  cfg_.ss_number_layers = 1;

+  cfg_.ts_number_layers = 2;

+  cfg_.ts_rate_decimator[0] = 2;

+  cfg_.ts_rate_decimator[1] = 1;

+  cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

+  if (deadline_ == VPX_DL_REALTIME) cfg_.g_error_resilient = 1;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 200);

+  for (int i = 200; i <= 800; i += 200) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    // 60-40 bitrate allocation for 2 temporal layers.

+    cfg_.layer_target_bitrate[0] = 60 * cfg_.rc_target_bitrate / 100;

+    cfg_.layer_target_bitrate[1] = cfg_.rc_target_bitrate;

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {

+      ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.85)

+          << " The datarate for the file is lower than target by too much, "

+             "for layer: "

+          << j;

+      ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.15)

+          << " The datarate for the file is greater than target by too much, "

+             "for layer: "

+          << j;

+    }

+  }

+}

+// Check basic rate targeting for 3 temporal layers.

+TEST_P(DatarateTestVP9Large, BasicRateTargeting3TemporalLayers) {

+  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 = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  // 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).

+  cfg_.ss_number_layers = 1;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 200);

+  for (int i = 200; i <= 800; i += 200) {

+    cfg_.rc_target_bitrate = i;

+    ResetModel();

+    // 40-20-40 bitrate allocation for 3 temporal layers.

+    cfg_.layer_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;

+    cfg_.layer_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;

+    cfg_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;

+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+    for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {

+      // TODO(yaowu): Work out more stable rc control strategy and

+      //              Adjust the thresholds to be tighter than .75.

+      ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.75)

+          << " The datarate for the file is lower than target by too much, "

+             "for layer: "

+          << j;

+      // TODO(yaowu): Work out more stable rc control strategy and

+      //              Adjust the thresholds to be tighter than 1.25.

+      ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.25)

+          << " The datarate for the file is greater than target by too much, "

+             "for layer: "

+          << j;

+    }

+  }

+}

+// Check basic rate targeting for 3 temporal layers, with frame dropping.

+// Only for one (low) bitrate with lower max_quantizer, and somewhat higher

+// frame drop threshold, to force frame dropping.

+TEST_P(DatarateTestVP9Large, BasicRateTargeting3TemporalLayersFrameDropping) {

+  cfg_.rc_buf_initial_sz = 500;

+  cfg_.rc_buf_optimal_sz = 500;

+  cfg_.rc_buf_sz = 1000;

+  // Set frame drop threshold and rc_max_quantizer to force some frame drops.

+  cfg_.rc_dropframe_thresh = 20;

+  cfg_.rc_max_quantizer = 45;

+  cfg_.rc_min_quantizer = 0;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  // 3 Temporal layers, no spatial layers: Framerate decimation (4, 2, 1).

+  cfg_.ss_number_layers = 1;

+  cfg_.ts_number_layers = 3;

+  cfg_.ts_rate_decimator[0] = 4;

+  cfg_.ts_rate_decimator[1] = 2;

+  cfg_.ts_rate_decimator[2] = 1;

+  cfg_.temporal_layering_mode = VP9E_TEMPORAL_LAYERING_MODE_BYPASS;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 200);

+  cfg_.rc_target_bitrate = 200;

+  ResetModel();

+  // 40-20-40 bitrate allocation for 3 temporal layers.

+  cfg_.layer_target_bitrate[0] = 40 * cfg_.rc_target_bitrate / 100;

+  cfg_.layer_target_bitrate[1] = 60 * cfg_.rc_target_bitrate / 100;

+  cfg_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  for (int j = 0; j < static_cast<int>(cfg_.ts_number_layers); ++j) {

+    ASSERT_GE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 0.85)

+        << " The datarate for the file is lower than target by too much, "

+           "for layer: "

+        << j;

+    ASSERT_LE(effective_datarate_[j], cfg_.layer_target_bitrate[j] * 1.15)

+        << " The datarate for the file is greater than target by too much, "

+           "for layer: "

+        << j;

+    // Expect some frame drops in this test: for this 200 frames test,

+    // expect at least 10% and not more than 60% drops.

+    ASSERT_GE(num_drops_, 20);

+    ASSERT_LE(num_drops_, 130);

+  }

+}

+class DatarateTestVP9RealTime : public DatarateTestVP9Large {

+ public:

+  virtual ~DatarateTestVP9RealTime() {}

+};

+// Check VP9 region of interest feature.

+TEST_P(DatarateTestVP9RealTime, RegionOfInterest) {

+  if (deadline_ != VPX_DL_REALTIME || set_cpu_used_ < 5) 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 = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  ::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 + 7) / 8;

+  roi_.cols = (cfg_.g_w + 7) / 8;

+  roi_.delta_q[1] = -20;

+  roi_.delta_lf[1] = -20;

+  memset(roi_.ref_frame, -1, sizeof(roi_.ref_frame));

+  roi_.ref_frame[1] = 1;

+  // Use 2 states: 1 is center square, 0 is the rest.

+  roi_.roi_map = reinterpret_cast<uint8_t *>(

+      calloc(roi_.rows * roi_.cols, sizeof(*roi_.roi_map)));

+  ASSERT_TRUE(roi_.roi_map != NULL);

+  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] * 0.90)

+      << " The datarate for the file exceeds the target!";

+  ASSERT_LE(cfg_.rc_target_bitrate, effective_datarate_[0] * 1.4)

+      << " The datarate for the file missed the target!";

+  free(roi_.roi_map);

+}

+#if CONFIG_VP9_TEMPORAL_DENOISING

+class DatarateTestVP9LargeDenoiser : public DatarateTestVP9Large {

+ public:

+  virtual ~DatarateTestVP9LargeDenoiser() {}

+};

+// Check basic datarate targeting, for a single bitrate, when denoiser is on.

+TEST_P(DatarateTestVP9LargeDenoiser, LowNoise) {

+  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 = 2;

+  cfg_.rc_max_quantizer = 56;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 140);

+  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

+  // there is only one denoiser mode: denoiserYonly(which is 1),

+  // but may add more modes in the future.

+  cfg_.rc_target_bitrate = 300;

+  ResetModel();

+  // Turn on the denoiser.

+  denoiser_on_ = 1;

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+      << " The datarate for the file is lower than target by too much!";

+  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

+      << " The datarate for the file is greater than target by too much!";

+}

+// Check basic datarate targeting, for a single bitrate, when denoiser is on,

+// for clip with high noise level. Use 2 threads.

+TEST_P(DatarateTestVP9LargeDenoiser, HighNoise) {

+  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 = 2;

+  cfg_.rc_max_quantizer = 56;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.g_threads = 2;

+  ::libvpx_test::Y4mVideoSource video("noisy_clip_640_360.y4m", 0, 200);

+  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

+  // there is only one denoiser mode: kDenoiserOnYOnly(which is 1),

+  // but may add more modes in the future.

+  cfg_.rc_target_bitrate = 1000;

+  ResetModel();

+  // Turn on the denoiser.

+  denoiser_on_ = 1;

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+      << " The datarate for the file is lower than target by too much!";

+  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

+      << " The datarate for the file is greater than target by too much!";

+}

+// Check basic datarate targeting, for a single bitrate, when denoiser is on,

+// for 1280x720 clip with 4 threads.

+TEST_P(DatarateTestVP9LargeDenoiser, 4threads) {

+  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 = 2;

+  cfg_.rc_max_quantizer = 56;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  cfg_.g_threads = 4;

+  ::libvpx_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 300);

+  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

+  // there is only one denoiser mode: denoiserYonly(which is 1),

+  // but may add more modes in the future.

+  cfg_.rc_target_bitrate = 1000;

+  ResetModel();

+  // Turn on the denoiser.

+  denoiser_on_ = 1;

+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));

+  ASSERT_GE(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+      << " The datarate for the file is lower than target by too much!";

+  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.29)

+      << " The datarate for the file is greater than target by too much!";

+}

+// Check basic datarate targeting, for a single bitrate, when denoiser is off

+// and on.

+TEST_P(DatarateTestVP9LargeDenoiser, DenoiserOffOn) {

+  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 = 2;

+  cfg_.rc_max_quantizer = 56;

+  cfg_.rc_end_usage = VPX_CBR;

+  cfg_.g_lag_in_frames = 0;

+  ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,

+                                       30, 1, 0, 299);

+  // For the temporal denoiser (#if CONFIG_VP9_TEMPORAL_DENOISING),

+  // there is only one denoiser mode: denoiserYonly(which is 1),

+  // but may add more modes in the future.

+  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(effective_datarate_[0], cfg_.rc_target_bitrate * 0.85)

+      << " The datarate for the file is lower than target by too much!";

+  ASSERT_LE(effective_datarate_[0], cfg_.rc_target_bitrate * 1.15)

+      << " The datarate for the file is greater than target by too much!";

+}

+#endif  // CONFIG_VP9_TEMPORAL_DENOISING

+VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9Large,

+                          ::testing::Values(::libvpx_test::kOnePassGood,

+                                            ::libvpx_test::kRealTime),

+                          ::testing::Range(2, 9));

+VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9RealTime,

+                          ::testing::Values(::libvpx_test::kRealTime),

+                          ::testing::Range(5, 9));

+#if CONFIG_VP9_TEMPORAL_DENOISING

+VP9_INSTANTIATE_TEST_CASE(DatarateTestVP9LargeDenoiser,

+                          ::testing::Values(::libvpx_test::kRealTime),

+                          ::testing::Range(5, 9));

+#endif

+}  // namespace