tor-browser

svc_datarate_test.cc (108405B)

---

/*
* Copyright (c) 2019, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/

#include <climits>
#include <vector>
#include "config/aom_config.h"
#include "gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/datarate_test.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/util.h"
#include "test/y4m_video_source.h"
#include "aom/aom_codec.h"
#include "av1/common/enums.h"
#include "av1/encoder/encoder.h"

namespace datarate_test {
namespace {

struct FrameInfo {
 FrameInfo(aom_codec_pts_t _pts, unsigned int _w, unsigned int _h)
     : pts(_pts), w(_w), h(_h) {}

 aom_codec_pts_t pts;
 unsigned int w;
 unsigned int h;
};

void ScaleForFrameNumber(unsigned int frame, unsigned int initial_w,
                        unsigned int initial_h, unsigned int *w,
                        unsigned int *h, int resize_pattern) {
 *w = initial_w;
 *h = initial_h;
 if (resize_pattern == 1) {
   if (frame < 50) {
     *w = initial_w / 4;
     *h = initial_h / 4;
   } else if (frame < 100) {
     *w = initial_w / 2;
     *h = initial_h / 2;
   } else if (frame < 150) {
     *w = initial_w;
     *h = initial_h;
   } else if (frame < 200) {
     *w = initial_w / 4;
     *h = initial_h / 4;
   } else if (frame < 250) {
     *w = initial_w / 2;
     *h = initial_h / 2;
   }
 } else if (resize_pattern == 2) {
   if (frame < 50) {
     *w = initial_w / 2;
     *h = initial_h / 2;
   } else if (frame < 100) {
     *w = initial_w / 4;
     *h = initial_h / 4;
   } else if (frame < 150) {
     *w = initial_w;
     *h = initial_h;
   } else if (frame < 200) {
     *w = initial_w / 2;
     *h = initial_h / 2;
   } else if (frame < 250) {
     *w = initial_w / 4;
     *h = initial_h / 4;
   }
 }
}

class ResizingVideoSource : public ::libaom_test::DummyVideoSource {
public:
 explicit ResizingVideoSource(int external_resize_pattern, int width,
                              int height) {
   external_resize_pattern_ = external_resize_pattern;
   top_width_ = width;
   top_height_ = height;
   SetSize(top_width_, top_height_);
   limit_ = 300;
 }
 ~ResizingVideoSource() override = default;

protected:
 void Next() override {
   ++frame_;
   unsigned int width = 0;
   unsigned int height = 0;
   libaom_test::ACMRandom rnd(libaom_test::ACMRandom::DeterministicSeed());
   ScaleForFrameNumber(frame_, top_width_, top_height_, &width, &height,
                       external_resize_pattern_);
   SetSize(width, height);
   FillFrame();
   unsigned char *image = img_->planes[0];
   for (size_t i = 0; i < raw_sz_; ++i) {
     image[i] = rnd.Rand8();
   }
 }

private:
 int external_resize_pattern_;
 // top_width_/height_ is the configured resolution when codec is created.
 int top_width_;
 int top_height_;
};

class DatarateTestSVC
   : public ::libaom_test::CodecTestWith4Params<libaom_test::TestMode, int,
                                                unsigned int, int>,
     public DatarateTest {
public:
 DatarateTestSVC() : DatarateTest(GET_PARAM(0)) {
   set_cpu_used_ = GET_PARAM(2);
   aq_mode_ = GET_PARAM(3);
 }

protected:
 void SetUp() override {
   InitializeConfig(GET_PARAM(1));
   ResetModel();
 }

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

 void SetTargetBitratesFor1SL1TL() {
   number_temporal_layers_ = 1;
   number_spatial_layers_ = 1;
   target_layer_bitrate_[0] = cfg_.rc_target_bitrate;
 }

 void SetTargetBitratesFor1SL2TL() {
   number_temporal_layers_ = 2;
   number_spatial_layers_ = 1;
   target_layer_bitrate_[0] = 60 * cfg_.rc_target_bitrate / 100;
   target_layer_bitrate_[1] = cfg_.rc_target_bitrate;
 }

 void SetTargetBitratesFor1SL3TL() {
   number_temporal_layers_ = 3;
   number_spatial_layers_ = 1;
   target_layer_bitrate_[0] = 50 * cfg_.rc_target_bitrate / 100;
   target_layer_bitrate_[1] = 70 * cfg_.rc_target_bitrate / 100;
   target_layer_bitrate_[2] = cfg_.rc_target_bitrate;
 }

 void SetTargetBitratesFor2SL1TL() {
   number_temporal_layers_ = 1;
   number_spatial_layers_ = 2;
   target_layer_bitrate_[0] = 2 * cfg_.rc_target_bitrate / 4;
   target_layer_bitrate_[1] = 2 * cfg_.rc_target_bitrate / 4;
 }

 void SetTargetBitratesFor3SL1TL() {
   number_temporal_layers_ = 1;
   number_spatial_layers_ = 3;
   target_layer_bitrate_[0] = 1 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[1] = 3 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[2] = 4 * cfg_.rc_target_bitrate / 8;
 }

 void SetTargetBitratesFor3SL3TL() {
   number_temporal_layers_ = 3;
   number_spatial_layers_ = 3;
   // SL0
   const int bitrate_sl0 = 1 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[0] = 50 * bitrate_sl0 / 100;
   target_layer_bitrate_[1] = 70 * bitrate_sl0 / 100;
   target_layer_bitrate_[2] = bitrate_sl0;
   // SL1
   const int bitrate_sl1 = 3 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[3] = 50 * bitrate_sl1 / 100;
   target_layer_bitrate_[4] = 70 * bitrate_sl1 / 100;
   target_layer_bitrate_[5] = bitrate_sl1;
   // SL2
   const int bitrate_sl2 = 4 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[6] = 50 * bitrate_sl2 / 100;
   target_layer_bitrate_[7] = 70 * bitrate_sl2 / 100;
   target_layer_bitrate_[8] = bitrate_sl2;
 }

 void DecompressedFrameHook(const aom_image_t &img,
                            aom_codec_pts_t pts) override {
   frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
   ++decoded_nframes_;
 }

 std::vector<FrameInfo> frame_info_list_;

 int GetNumSpatialLayers() override { return number_spatial_layers_; }

 void ResetModel() override {
   DatarateTest::ResetModel();
   layer_frame_cnt_ = 0;
   superframe_cnt_ = 0;
   number_temporal_layers_ = 1;
   number_spatial_layers_ = 1;
   for (int i = 0; i < AOM_MAX_LAYERS; i++) {
     target_layer_bitrate_[i] = 0;
     effective_datarate_tl[i] = 0.0;
   }
   memset(&layer_id_, 0, sizeof(aom_svc_layer_id_t));
   memset(&svc_params_, 0, sizeof(aom_svc_params_t));
   memset(&ref_frame_config_, 0, sizeof(aom_svc_ref_frame_config_t));
   memset(&ref_frame_comp_pred_, 0, sizeof(aom_svc_ref_frame_comp_pred_t));
   drop_frames_ = 0;
   for (int i = 0; i < 1000; i++) drop_frames_list_[i] = 1000;
   decoded_nframes_ = 0;
   mismatch_nframes_ = 0;
   mismatch_psnr_ = 0.0;
   set_frame_level_er_ = 0;
   multi_ref_ = 0;
   use_fixed_mode_svc_ = 0;
   comp_pred_ = 0;
   dynamic_enable_disable_mode_ = 0;
   intra_only_ = 0;
   intra_only_single_layer_ = false;
   frame_to_start_decoding_ = 0;
   layer_to_decode_ = 0;
   frame_sync_ = 0;
   current_video_frame_ = 0;
   screen_mode_ = 0;
   rps_mode_ = 0;
   rps_recovery_frame_ = 0;
   user_define_frame_qp_ = 0;
   set_speed_per_layer_ = false;
   simulcast_mode_ = false;
   use_last_as_scaled_ = false;
   use_last_as_scaled_single_ref_ = false;
   external_resize_dynamic_drop_layer_ = false;
   external_resize_pattern_ = 0;
   dynamic_tl_ = false;
   dynamic_scale_factors_ = false;
 }

 void PreEncodeFrameHook(::libaom_test::VideoSource *video,
                         ::libaom_test::Encoder *encoder) override {
   int spatial_layer_id = 0;
   current_video_frame_ = video->frame();

   // One-time initialization only done on the first frame.
   if (video->frame() == 0 && layer_frame_cnt_ == 0) {
     initialize_svc(number_temporal_layers_, number_spatial_layers_,
                    &svc_params_);
     if (dynamic_enable_disable_mode_ == 1) {
       svc_params_.layer_target_bitrate[2] = 0;
       cfg_.rc_target_bitrate -= target_layer_bitrate_[2];
     }
     encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     // TODO(aomedia:3032): Configure KSVC in fixed mode.
     encoder->Control(AV1E_SET_ENABLE_ORDER_HINT, 0);
     encoder->Control(AV1E_SET_ENABLE_TPL_MODEL, 0);
     encoder->Control(AV1E_SET_DELTAQ_MODE, 0);
     if (cfg_.g_threads > 1) {
       if (auto_tiles_) {
         encoder->Control(AV1E_SET_AUTO_TILES, 1);
       } else {
         encoder->Control(AV1E_SET_TILE_COLUMNS, tile_columns_);
         encoder->Control(AV1E_SET_TILE_ROWS, tile_rows_);
       }
       encoder->Control(AV1E_SET_ROW_MT, 1);
     }
     if (screen_mode_) {
       encoder->Control(AV1E_SET_TUNE_CONTENT, AOM_CONTENT_SCREEN);
     }
     encoder->Control(AV1E_SET_POSTENCODE_DROP_RTC, 1);
     // We want to force external resize on the very first frame.
     // Turn off frame-dropping.
     if (external_resize_dynamic_drop_layer_) {
       encoder->Control(AV1E_SET_POSTENCODE_DROP_RTC, 0);
       DatarateTest::PreEncodeFrameHook(video, encoder);
       video->Next();
     }
   }
   if (number_spatial_layers_ == 2) {
     spatial_layer_id = (layer_frame_cnt_ % 2 == 0) ? 0 : 1;
   } else if (number_spatial_layers_ == 3) {
     spatial_layer_id = (layer_frame_cnt_ % 3 == 0)         ? 0
                        : ((layer_frame_cnt_ - 1) % 3 == 0) ? 1
                                                            : 2;
   }
   // Set the reference/update flags, layer_id, and reference_map
   // buffer index.
   frame_flags_ = set_layer_pattern(
       video->frame(), &layer_id_, &ref_frame_config_, &ref_frame_comp_pred_,
       spatial_layer_id, multi_ref_, comp_pred_,
       (video->frame() % cfg_.kf_max_dist) == 0, dynamic_enable_disable_mode_,
       rps_mode_, rps_recovery_frame_, simulcast_mode_, use_last_as_scaled_,
       use_last_as_scaled_single_ref_);
   if (intra_only_ == 1 && frame_sync_ > 0) {
     // Set an Intra-only frame on SL0 at frame_sync_.
     // In order to allow decoding to start on SL0 in mid-sequence we need to
     // set and refresh all the slots used on SL0 stream, which is 0 and 3
     // for this test pattern. The other slots (1, 2, 4, 5) are used for the
     // SL > 0 layers and these slotes are not refreshed on frame_sync_, so
     // temporal prediction for the top layers can continue.
     if (spatial_layer_id == 0 && video->frame() == frame_sync_) {
       ref_frame_config_.ref_idx[0] = 0;
       ref_frame_config_.ref_idx[3] = 3;
       ref_frame_config_.refresh[0] = 1;
       ref_frame_config_.refresh[3] = 1;
       for (int i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config_.reference[i] = 0;
     }
   }
   if (intra_only_ && video->frame() == 50 && spatial_layer_id == 1) {
     // Force an intra_only frame here, for SL1.
     for (int i = 0; i < INTER_REFS_PER_FRAME; i++)
       ref_frame_config_.reference[i] = 0;
   }
   encoder->Control(AV1E_SET_SVC_LAYER_ID, &layer_id_);
   // The SET_SVC_REF_FRAME_CONFIG and AV1E_SET_SVC_REF_FRAME_COMP_PRED api is
   // for the flexible SVC mode (i.e., use_fixed_mode_svc == 0).
   if (!use_fixed_mode_svc_) {
     encoder->Control(AV1E_SET_SVC_REF_FRAME_CONFIG, &ref_frame_config_);
     encoder->Control(AV1E_SET_SVC_REF_FRAME_COMP_PRED, &ref_frame_comp_pred_);
   }
   if (set_speed_per_layer_) {
     int speed_per_layer = 10;
     if (layer_id_.spatial_layer_id == 0) {
       // For for base SL0,TL0: use the speed the test loops over.
       if (layer_id_.temporal_layer_id == 1) speed_per_layer = 7;
       if (layer_id_.temporal_layer_id == 2) speed_per_layer = 8;
     } else if (layer_id_.spatial_layer_id == 1) {
       if (layer_id_.temporal_layer_id == 0) speed_per_layer = 7;
       if (layer_id_.temporal_layer_id == 1) speed_per_layer = 8;
       if (layer_id_.temporal_layer_id == 2) speed_per_layer = 9;
     } else if (layer_id_.spatial_layer_id == 2) {
       if (layer_id_.temporal_layer_id == 0) speed_per_layer = 8;
       if (layer_id_.temporal_layer_id == 1) speed_per_layer = 9;
       if (layer_id_.temporal_layer_id == 2) speed_per_layer = 10;
     }
     encoder->Control(AOME_SET_CPUUSED, speed_per_layer);
   }
   if (set_frame_level_er_) {
     int mode =
         (layer_id_.spatial_layer_id > 0 || layer_id_.temporal_layer_id > 0);
     encoder->Control(AV1E_SET_ERROR_RESILIENT_MODE, mode);
   }
   if (dynamic_enable_disable_mode_ == 1) {
     if (layer_frame_cnt_ == 300 && spatial_layer_id == 0) {
       // Enable: set top spatial layer bitrate back to non-zero.
       svc_params_.layer_target_bitrate[2] = target_layer_bitrate_[2];
       cfg_.rc_target_bitrate += target_layer_bitrate_[2];
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     }
   } else if (dynamic_enable_disable_mode_ == 2) {
     if (layer_frame_cnt_ == 300 && spatial_layer_id == 0) {
       // Disable top spatial layer mid-stream.
       svc_params_.layer_target_bitrate[2] = 0;
       cfg_.rc_target_bitrate -= target_layer_bitrate_[2];
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     } else if (layer_frame_cnt_ == 600 && spatial_layer_id == 0) {
       // Enable top spatial layer mid-stream.
       svc_params_.layer_target_bitrate[2] = target_layer_bitrate_[2];
       cfg_.rc_target_bitrate += target_layer_bitrate_[2];
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     }
   }
   if (external_resize_dynamic_drop_layer_) {
     frame_flags_ = 0;
     for (int i = 0; i < 9; ++i) {
       svc_params_.min_quantizers[i] = 20;
       svc_params_.max_quantizers[i] = 56;
     }
     if (layer_id_.spatial_layer_id == 0 &&
         (video->frame() == 1 || video->frame() == 150)) {
       for (int i = 0; i < 9; ++i) {
         bitrate_layer_[i] = svc_params_.layer_target_bitrate[i];
       }
       if (external_resize_pattern_ == 1) {
         // Input size is 1/4. 2 top spatial layers are dropped.
         // This will trigger skip encoding/dropping of two top spatial layers.
         cfg_.rc_target_bitrate -= svc_params_.layer_target_bitrate[5] +
                                   svc_params_.layer_target_bitrate[8];
         for (int i = 3; i < 9; ++i) {
           svc_params_.layer_target_bitrate[i] = 0;
         }
         for (int sl = 0; sl < 3; sl++) {
           svc_params_.scaling_factor_num[sl] = 1;
           svc_params_.scaling_factor_den[sl] = 1;
         }
       } else if (external_resize_pattern_ == 2) {
         // Input size is 1/2. Top spatial layer is dropped.
         // This will trigger skip encoding/dropping of top spatial layer.
         cfg_.rc_target_bitrate -= svc_params_.layer_target_bitrate[8];
         for (int i = 6; i < 9; ++i) {
           svc_params_.layer_target_bitrate[i] = 0;
         }
         svc_params_.scaling_factor_num[0] = 1;
         svc_params_.scaling_factor_den[0] = 2;
         svc_params_.scaling_factor_num[1] = 1;
         svc_params_.scaling_factor_den[1] = 1;
         svc_params_.scaling_factor_num[2] = 1;
         svc_params_.scaling_factor_den[2] = 1;
       }
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     } else if (layer_id_.spatial_layer_id == 0 &&
                (video->frame() == 50 || video->frame() == 200)) {
       if (external_resize_pattern_ == 1) {
         // Input size is 1/2. Change layer bitrates to set top layer to 0.
         // This will trigger skip encoding/dropping of top spatial layer.
         cfg_.rc_target_bitrate += bitrate_layer_[5];
         for (int i = 3; i < 6; ++i) {
           svc_params_.layer_target_bitrate[i] = bitrate_layer_[i];
         }
         svc_params_.scaling_factor_num[0] = 1;
         svc_params_.scaling_factor_den[0] = 2;
         svc_params_.scaling_factor_num[1] = 1;
         svc_params_.scaling_factor_den[1] = 1;
         svc_params_.scaling_factor_num[2] = 1;
         svc_params_.scaling_factor_den[2] = 1;
       } else if (external_resize_pattern_ == 2) {
         // Input size is 1/4. Change layer bitrates to set two top layers to
         // 0. This will trigger skip encoding/dropping of two top spatial
         // layers.
         cfg_.rc_target_bitrate -= bitrate_layer_[5];
         for (int i = 3; i < 6; ++i) {
           svc_params_.layer_target_bitrate[i] = 0;
         }
         for (int sl = 0; sl < 3; sl++) {
           svc_params_.scaling_factor_num[sl] = 1;
           svc_params_.scaling_factor_den[sl] = 1;
         }
       }
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     } else if (layer_id_.spatial_layer_id == 0 &&
                (video->frame() == 100 || video->frame() == 250)) {
       // Input is original size. Change layer bitrates to nonzero for all
       // layers.
       cfg_.rc_target_bitrate =
           bitrate_layer_[2] + bitrate_layer_[5] + bitrate_layer_[8];
       for (int i = 0; i < 9; ++i) {
         svc_params_.layer_target_bitrate[i] = bitrate_layer_[i];
       }
       svc_params_.scaling_factor_num[0] = 1;
       svc_params_.scaling_factor_den[0] = 4;
       svc_params_.scaling_factor_num[1] = 1;
       svc_params_.scaling_factor_den[1] = 2;
       svc_params_.scaling_factor_num[2] = 1;
       svc_params_.scaling_factor_den[2] = 1;
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     }
   } else if (dynamic_tl_) {
     if (video->frame() == 100) {
       // Enable 3 temporal layers.
       svc_params_.number_temporal_layers = 3;
       number_temporal_layers_ = 3;
       svc_params_.layer_target_bitrate[0] = 60 * cfg_.rc_target_bitrate / 100;
       svc_params_.layer_target_bitrate[1] = 80 * cfg_.rc_target_bitrate / 100;
       svc_params_.layer_target_bitrate[2] = cfg_.rc_target_bitrate;
       svc_params_.framerate_factor[0] = 4;
       svc_params_.framerate_factor[1] = 2;
       svc_params_.framerate_factor[2] = 1;
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     } else if (video->frame() == 200) {
       // Go back to 1 temporal layer.
       svc_params_.number_temporal_layers = 1;
       number_temporal_layers_ = 1;
       svc_params_.layer_target_bitrate[0] = cfg_.rc_target_bitrate;
       svc_params_.framerate_factor[0] = 1;
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     }
   } else if (dynamic_scale_factors_) {
     if (layer_id_.spatial_layer_id == 0 && video->frame() == 0) {
       // Change layer bitrates to set top layer to 0.
       // This will trigger skip encoding/dropping of top spatial layer.
       // Set scale factors to 1/2 on top layer.
       bitrate_layer_[2] = svc_params_.layer_target_bitrate[2];
       cfg_.rc_target_bitrate -= bitrate_layer_[2];
       svc_params_.layer_target_bitrate[2] = 0;
       svc_params_.scaling_factor_num[0] = 1;
       svc_params_.scaling_factor_den[0] = 4;
       svc_params_.scaling_factor_num[1] = 1;
       svc_params_.scaling_factor_den[1] = 2;
       svc_params_.scaling_factor_num[2] = 1;
       svc_params_.scaling_factor_den[2] = 2;
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     } else if (layer_id_.spatial_layer_id == 0 && video->frame() == 30) {
       // Go back nonzero bitrate and set scale factors to 1/1 on top layer.
       svc_params_.layer_target_bitrate[2] = bitrate_layer_[2];
       cfg_.rc_target_bitrate += svc_params_.layer_target_bitrate[2];
       svc_params_.scaling_factor_num[2] = 1;
       svc_params_.scaling_factor_den[2] = 1;
       encoder->Config(&cfg_);
       encoder->Control(AV1E_SET_SVC_PARAMS, &svc_params_);
     }
   }
   layer_frame_cnt_++;
   DatarateTest::PreEncodeFrameHook(video, encoder);
   if (user_define_frame_qp_) {
     frame_qp_ = rnd_.PseudoUniform(63);
     encoder->Control(AV1E_SET_QUANTIZER_ONE_PASS, frame_qp_);
   }
 }

 void PostEncodeFrameHook(::libaom_test::Encoder *encoder) override {
   int num_operating_points;
   encoder->Control(AV1E_GET_NUM_OPERATING_POINTS, &num_operating_points);
   ASSERT_EQ(num_operating_points,
             number_temporal_layers_ * number_spatial_layers_);

   if (user_define_frame_qp_) {
     if (current_video_frame_ >= static_cast<unsigned int>(total_frame_))
       return;
     int qp;
     encoder->Control(AOME_GET_LAST_QUANTIZER_64, &qp);
     ASSERT_EQ(qp, frame_qp_);
   }
 }

 void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
   const size_t frame_size_in_bits = pkt->data.frame.sz * 8;
   // Update the layer cumulative  bitrate.
   for (int i = layer_id_.temporal_layer_id; i < number_temporal_layers_;
        i++) {
     int layer = layer_id_.spatial_layer_id * number_temporal_layers_ + i;
     effective_datarate_tl[layer] += 1.0 * frame_size_in_bits;
   }
   if (layer_id_.spatial_layer_id == number_spatial_layers_ - 1) {
     last_pts_ = pkt->data.frame.pts;
     superframe_cnt_++;
   }
   // For simulcast mode: verify that for first frame to start decoding,
   // for SL > 0, are Intra-only frames (not Key), whereas SL0 is Key.
   if (simulcast_mode_ && superframe_cnt_ == (int)frame_to_start_decoding_) {
     if (layer_id_.spatial_layer_id > 0) {
       EXPECT_NE(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
     } else if (layer_id_.spatial_layer_id == 0) {
       EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
     }
   }
   if (external_resize_dynamic_drop_layer_) {
     // No key frame is needed for these encoding patterns, except at the
     // very first frame.
     if (layer_frame_cnt_ > 1) {
       EXPECT_NE(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
     }
   }
 }

 void EndPassHook() override {
   duration_ = ((last_pts_ + 1) * timebase_);
   for (int i = 0; i < number_temporal_layers_ * number_spatial_layers_; i++) {
     effective_datarate_tl[i] = (effective_datarate_tl[i] / 1000) / duration_;
   }
 }

 bool DoDecode() const override {
   if (drop_frames_ > 0) {
     for (unsigned int i = 0; i < drop_frames_; ++i) {
       if (drop_frames_list_[i] == (unsigned int)superframe_cnt_) {
         std::cout << "             Skipping decoding frame: "
                   << drop_frames_list_[i] << "\n";
         return false;
       }
     }
   } else if (intra_only_ == 1) {
     // Only start decoding at frames_to_start_decoding_.
     if (current_video_frame_ < frame_to_start_decoding_) return false;
     // Only decode base layer for 3SL, for layer_to_decode_ = 0.
     if (layer_to_decode_ == 0 && frame_sync_ > 0 &&
         (layer_frame_cnt_ - 1) % 3 != 0)
       return false;
   } else if (simulcast_mode_) {
     // Only start decoding at frames_to_start_decoding_ and only
     // for top spatial layer SL2 (layer_to_decode_).
     if (current_video_frame_ < frame_to_start_decoding_) return false;
     if (layer_id_.spatial_layer_id < (int)layer_to_decode_) return false;
   }
   return true;
 }

 void MismatchHook(const aom_image_t *img1, const aom_image_t *img2) override {
   double mismatch_psnr = compute_psnr(img1, img2);
   mismatch_psnr_ += mismatch_psnr;
   ++mismatch_nframes_;
 }

 unsigned int GetMismatchFrames() { return mismatch_nframes_; }
 unsigned int GetDecodedFrames() { return decoded_nframes_; }

 static void ref_config_rps(aom_svc_ref_frame_config_t *ref_frame_config,
                            int frame_cnt, int rps_recovery_frame) {
   // Pattern of 3 references with (ALTREF and GOLDEN) trailing
   // LAST by 4 and 8 frame, with some switching logic to
   // only predict from longer-term reference.
   int last_idx = 0;
   int last_idx_refresh = 0;
   int gld_idx = 0;
   int alt_ref_idx = 0;
   const int lag_alt = 4;
   const int lag_gld = 8;
   const int sh = 8;  // slots 0 - 7.
   // Moving index slot for last: 0 - (sh - 1)
   if (frame_cnt > 1) last_idx = (frame_cnt - 1) % sh;
   // Moving index for refresh of last: one ahead for next frame.
   last_idx_refresh = frame_cnt % sh;
   // Moving index for gld_ref, lag behind current by lag_gld
   if (frame_cnt > lag_gld) gld_idx = (frame_cnt - lag_gld) % sh;
   // Moving index for alt_ref, lag behind LAST by lag_alt frames.
   if (frame_cnt > lag_alt) alt_ref_idx = (frame_cnt - lag_alt) % sh;
   // Set the ref_idx.
   // Default all references (7) to slot for last.
   // LAST_FRAME (0), LAST2_FRAME(1), LAST3_FRAME(2), GOLDEN_FRAME(3),
   // BWDREF_FRAME(4), ALTREF2_FRAME(5), ALTREF_FRAME(6).
   for (int i = 0; i < INTER_REFS_PER_FRAME; i++)
     ref_frame_config->ref_idx[i] = last_idx;
   // Set the ref_idx for the relevant references.
   ref_frame_config->ref_idx[0] = last_idx;
   ref_frame_config->ref_idx[1] = last_idx_refresh;
   ref_frame_config->ref_idx[3] = gld_idx;
   ref_frame_config->ref_idx[6] = alt_ref_idx;
   // Refresh this slot, which will become LAST on next frame.
   ref_frame_config->refresh[last_idx_refresh] = 1;
   // Reference LAST, ALTREF, and GOLDEN
   ref_frame_config->reference[0] = 1;
   ref_frame_config->reference[6] = 1;
   ref_frame_config->reference[3] = 1;
   if (frame_cnt == rps_recovery_frame) {
     // Switch to only reference GOLDEN at recovery_frame.
     ref_frame_config->reference[0] = 0;
     ref_frame_config->reference[6] = 0;
     ref_frame_config->reference[3] = 1;
   } else if (frame_cnt > rps_recovery_frame &&
              frame_cnt < rps_recovery_frame + 8) {
     // Go back to predicting from LAST, and after
     // 8 frames (GOLDEN is 8 frames aways) go back
     // to predicting off GOLDEN and ALTREF.
     ref_frame_config->reference[0] = 1;
     ref_frame_config->reference[6] = 0;
     ref_frame_config->reference[3] = 0;
   }
 }

 // Simulcast mode for 3 spatial and 3 temporal layers.
 // No inter-layer predicton, only prediction is temporal and single
 // reference (LAST).
 // No overlap in buffer slots between spatial layers. So for example,
 // SL0 only uses slots 0 and 1.
 // SL1 only uses slots 2 and 3.
 // SL2 only uses slots 4 and 5.
 // All 7 references for each inter-frame must only access buffer slots
 // for that spatial layer.
 // On key (super)frames: SL1 and SL2 must have no references set
 // and must refresh all the slots for that layer only (so 2 and 3
 // for SL1, 4 and 5 for SL2). The base SL0 will be labelled internally
 // as a Key frame (refresh all slots). SL1/SL2 will be labelled
 // internally as Intra-only frames that allow that stream to be decoded.
 // These conditions will allow for each spatial stream to be
 // independently decodeable.
 static void ref_config_simulcast3SL3TL(
     aom_svc_ref_frame_config_t *ref_frame_config,
     aom_svc_layer_id_t *layer_id, int is_key_frame, int superframe_cnt) {
   int i;
   // Initialize all references to 0 (don't use reference).
   for (i = 0; i < INTER_REFS_PER_FRAME; i++)
     ref_frame_config->reference[i] = 0;
   // Initialize as no refresh/update for all slots.
   for (i = 0; i < REF_FRAMES; i++) ref_frame_config->refresh[i] = 0;
   for (i = 0; i < INTER_REFS_PER_FRAME; i++) ref_frame_config->ref_idx[i] = 0;

   if (is_key_frame) {
     if (layer_id->spatial_layer_id == 0) {
       // Assign LAST/GOLDEN to slot 0/1.
       // Refesh slots 0 and 1 for SL0.
       // SL0: this will get set to KEY frame internally.
       ref_frame_config->ref_idx[0] = 0;
       ref_frame_config->ref_idx[3] = 1;
       ref_frame_config->refresh[0] = 1;
       ref_frame_config->refresh[1] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Assign LAST/GOLDEN to slot 2/3.
       // Refesh slots 2 and 3 for SL1.
       // This will get set to Intra-only frame internally.
       ref_frame_config->ref_idx[0] = 2;
       ref_frame_config->ref_idx[3] = 3;
       ref_frame_config->refresh[2] = 1;
       ref_frame_config->refresh[3] = 1;
     } else if (layer_id->spatial_layer_id == 2) {
       // Assign LAST/GOLDEN to slot 4/5.
       // Refresh slots 4 and 5 for SL2.
       // This will get set to Intra-only frame internally.
       ref_frame_config->ref_idx[0] = 4;
       ref_frame_config->ref_idx[3] = 5;
       ref_frame_config->refresh[4] = 1;
       ref_frame_config->refresh[5] = 1;
     }
   } else if (superframe_cnt % 4 == 0) {
     // Base temporal layer: TL0
     layer_id->temporal_layer_id = 0;
     if (layer_id->spatial_layer_id == 0) {  // SL0
       // Reference LAST. Assign all references to either slot
       // 0 or 1. Here we assign LAST to slot 0, all others to 1.
       // Update slot 0 (LAST).
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 1;
       ref_frame_config->ref_idx[0] = 0;
       ref_frame_config->refresh[0] = 1;
     } else if (layer_id->spatial_layer_id == 1) {  // SL1
       // Reference LAST. Assign all references to either slot
       // 2 or 3. Here we assign LAST to slot 2, all others to 3.
       // Update slot 2 (LAST).
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 3;
       ref_frame_config->ref_idx[0] = 2;
       ref_frame_config->refresh[2] = 1;
     } else if (layer_id->spatial_layer_id == 2) {  // SL2
       // Reference LAST. Assign all references to either slot
       // 4 or 5. Here we assign LAST to slot 4, all others to 5.
       // Update slot 4 (LAST).
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 5;
       ref_frame_config->ref_idx[0] = 4;
       ref_frame_config->refresh[4] = 1;
     }
   } else if ((superframe_cnt - 1) % 4 == 0) {
     // First top temporal enhancement layer: TL2
     layer_id->temporal_layer_id = 2;
     if (layer_id->spatial_layer_id == 0) {  // SL0
       // Reference LAST (slot 0). Assign other references to slot 1.
       // No update/refresh on any slots.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 1;
       ref_frame_config->ref_idx[0] = 0;
     } else if (layer_id->spatial_layer_id == 1) {  // SL1
       // Reference LAST (slot 2). Assign other references to slot 3.
       // No update/refresh on any slots.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 3;
       ref_frame_config->ref_idx[0] = 2;
     } else if (layer_id->spatial_layer_id == 2) {  // SL2
       // Reference LAST (slot 4). Assign other references to slot 4.
       // No update/refresh on any slots.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 5;
       ref_frame_config->ref_idx[0] = 4;
     }
   } else if ((superframe_cnt - 2) % 4 == 0) {
     // Middle temporal enhancement layer: TL1
     layer_id->temporal_layer_id = 1;
     if (layer_id->spatial_layer_id == 0) {  // SL0
       // Reference LAST (slot 0).
       // Set GOLDEN to slot 1 and update slot 1.
       // This will be used as reference for next TL2.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 1;
       ref_frame_config->ref_idx[0] = 0;
       ref_frame_config->refresh[1] = 1;
     } else if (layer_id->spatial_layer_id == 1) {  // SL1
       // Reference LAST (slot 2).
       // Set GOLDEN to slot 3 and update slot 3.
       // This will be used as reference for next TL2.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 3;
       ref_frame_config->ref_idx[0] = 2;
       ref_frame_config->refresh[3] = 1;
     } else if (layer_id->spatial_layer_id == 2) {  // SL2
       // Reference LAST (slot 4).
       // Set GOLDEN to slot 5 and update slot 5.
       // This will be used as reference for next TL2.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 5;
       ref_frame_config->ref_idx[0] = 4;
       ref_frame_config->refresh[5] = 1;
     }
   } else if ((superframe_cnt - 3) % 4 == 0) {
     // Second top temporal enhancement layer: TL2
     layer_id->temporal_layer_id = 2;
     if (layer_id->spatial_layer_id == 0) {  // SL0
       // Reference LAST (slot 1). Assign other references to slot 0.
       // No update/refresh on any slots.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[0] = 1;
     } else if (layer_id->spatial_layer_id == 1) {  // SL1
       // Reference LAST (slot 3). Assign other references to slot 2.
       // No update/refresh on any slots.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 2;
       ref_frame_config->ref_idx[0] = 3;
     } else if (layer_id->spatial_layer_id == 2) {  // SL2
       // Reference LAST (slot 5). Assign other references to slot 4.
       // No update/refresh on any slots.
       ref_frame_config->reference[0] = 1;
       for (i = 0; i < INTER_REFS_PER_FRAME; i++)
         ref_frame_config->ref_idx[i] = 4;
       ref_frame_config->ref_idx[0] = 5;
     }
   }
 }

 // 3 spatial and 3 temporal layer.
 // Overlap in the buffer slot updates: the slots 3 and 4 updated by
 // first TL2 are reused for update in TL1 superframe.
 static void ref_config_3SL3TL(aom_svc_ref_frame_config_t *ref_frame_config,
                               aom_svc_layer_id_t *layer_id, int is_key_frame,
                               int superframe_cnt) {
   if (superframe_cnt % 4 == 0) {
     // Base temporal layer.
     layer_id->temporal_layer_id = 0;
     if (layer_id->spatial_layer_id == 0) {
       // Reference LAST, update LAST.
       // Set all buffer_idx to 0.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->refresh[0] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 1,
       // GOLDEN (and all other refs) to slot 0.
       // Update slot 1 (LAST).
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[0] = 1;
       ref_frame_config->refresh[1] = 1;
     } else if (layer_id->spatial_layer_id == 2) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 2,
       // GOLDEN (and all other refs) to slot 1.
       // Update slot 2 (LAST).
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 1;
       ref_frame_config->ref_idx[0] = 2;
       ref_frame_config->refresh[2] = 1;
     }
   } else if ((superframe_cnt - 1) % 4 == 0) {
     // First top temporal enhancement layer.
     layer_id->temporal_layer_id = 2;
     if (layer_id->spatial_layer_id == 0) {
       // Reference LAST (slot 0).
       // Set GOLDEN to slot 3 and update slot 3.
       // Set all other buffer_idx to slot 0.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[3] = 3;
       ref_frame_config->refresh[3] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 1,
       // GOLDEN (and all other refs) to slot 3.
       // Set LAST2 to slot 4 and Update slot 4.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 3;
       ref_frame_config->ref_idx[0] = 1;
       ref_frame_config->ref_idx[1] = 4;
       ref_frame_config->refresh[4] = 1;
     } else if (layer_id->spatial_layer_id == 2) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 2,
       // GOLDEN (and all other refs) to slot 4.
       // No update.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 4;
       ref_frame_config->ref_idx[0] = 2;
     }
   } else if ((superframe_cnt - 2) % 4 == 0) {
     // Middle temporal enhancement layer.
     layer_id->temporal_layer_id = 1;
     if (layer_id->spatial_layer_id == 0) {
       // Reference LAST.
       // Set all buffer_idx to 0.
       // Set GOLDEN to slot 3 and update slot 3.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[3] = 3;
       ref_frame_config->refresh[3] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 1,
       // GOLDEN (and all other refs) to slot 3.
       // Set LAST2 to slot 4 and update slot 4.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 3;
       ref_frame_config->ref_idx[0] = 1;
       ref_frame_config->ref_idx[2] = 4;
       ref_frame_config->refresh[4] = 1;
     } else if (layer_id->spatial_layer_id == 2) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 2,
       // GOLDEN (and all other refs) to slot 4.
       // Set LAST2 to slot 5 and update slot 5.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 4;
       ref_frame_config->ref_idx[0] = 2;
       ref_frame_config->ref_idx[2] = 5;
       ref_frame_config->refresh[5] = 1;
     }
   } else if ((superframe_cnt - 3) % 4 == 0) {
     // Second top temporal enhancement layer.
     layer_id->temporal_layer_id = 2;
     if (layer_id->spatial_layer_id == 0) {
       // Set LAST to slot 3 and reference LAST.
       // Set GOLDEN to slot 3 and update slot 3.
       // Set all other buffer_idx to 0.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[0] = 3;
       ref_frame_config->ref_idx[3] = 3;
       ref_frame_config->refresh[3] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 4,
       // GOLDEN to slot 3. Set LAST2 to slot 4 and update slot 4.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[0] = 4;
       ref_frame_config->ref_idx[3] = 3;
       ref_frame_config->ref_idx[1] = 4;
       ref_frame_config->refresh[4] = 1;
     } else if (layer_id->spatial_layer_id == 2) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 5,
       // GOLDEN to slot 4. No update.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[0] = 5;
       ref_frame_config->ref_idx[3] = 4;
     }
   }
   if (layer_id->spatial_layer_id > 0) {
     // Always reference GOLDEN (inter-layer prediction).
     ref_frame_config->reference[3] = 1;
     if (is_key_frame && layer_id->spatial_layer_id > 0) {
       // On superframes whose base is key: remove LAST since GOLDEN
       // is used as reference.
       ref_frame_config->reference[0] = 0;
     }
   }
 }

 void CheckDatarate(double low_factor, double high_factor,
                    int num_layers_to_check = -1) {
   if (num_layers_to_check < 0) {
     num_layers_to_check = number_temporal_layers_ * number_spatial_layers_;
   }
   for (int i = 0; i < num_layers_to_check; i++) {
     ASSERT_GE(effective_datarate_tl[i], target_layer_bitrate_[i] * low_factor)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_tl[i],
               target_layer_bitrate_[i] * high_factor)
         << " The datarate for the file is greater than target by too much!";
   }
 }
 // Layer pattern configuration.
 virtual int set_layer_pattern(
     int frame_cnt, aom_svc_layer_id_t *layer_id,
     aom_svc_ref_frame_config_t *ref_frame_config,
     aom_svc_ref_frame_comp_pred_t *ref_frame_comp_pred, int spatial_layer,
     int multi_ref, int comp_pred, int is_key_frame,
     int dynamic_enable_disable_mode, int rps_mode, int rps_recovery_frame,
     int simulcast_mode, bool use_last_as_scaled,
     bool use_last_as_scaled_single_ref) {
   int lag_index = 0;
   int base_count = frame_cnt >> 2;
   layer_id->spatial_layer_id = spatial_layer;
   // Set the reference map buffer idx for the 7 references:
   // LAST_FRAME (0), LAST2_FRAME(1), LAST3_FRAME(2), GOLDEN_FRAME(3),
   // BWDREF_FRAME(4), ALTREF2_FRAME(5), ALTREF_FRAME(6).
   for (int i = 0; i < INTER_REFS_PER_FRAME; i++) {
     ref_frame_config->ref_idx[i] = i;
     ref_frame_config->reference[i] = 0;
   }
   for (int i = 0; i < REF_FRAMES; i++) ref_frame_config->refresh[i] = 0;
   if (comp_pred) {
     ref_frame_comp_pred->use_comp_pred[0] = 1;  // GOLDEN_LAST
     ref_frame_comp_pred->use_comp_pred[1] = 1;  // LAST2_LAST
     ref_frame_comp_pred->use_comp_pred[2] = 1;  // ALTREF_LAST
   }
   // Set layer_flags to 0 when using ref_frame_config->reference.
   int layer_flags = 0;
   // Always reference LAST.
   ref_frame_config->reference[0] = 1;
   if (number_temporal_layers_ == 1 && number_spatial_layers_ == 1) {
     layer_id->temporal_layer_id = 0;
     ref_frame_config->refresh[0] = 1;
     if (rps_mode)
       ref_config_rps(ref_frame_config, frame_cnt, rps_recovery_frame);
     if (intra_only_single_layer_) {
       // This repros the crash in Bug: 363016123.
       ref_frame_config->ref_idx[0] = 0;
       ref_frame_config->ref_idx[3] = 1;
       ref_frame_config->ref_idx[6] = 2;
       if (frame_cnt == 1) {
         for (int i = 0; i < INTER_REFS_PER_FRAME; i++)
           ref_frame_config->reference[i] = 0;
       }
     }
   }
   if (number_temporal_layers_ == 2 && number_spatial_layers_ == 1) {
     // 2-temporal layer.
     //    1    3    5
     //  0    2    4
     // Keep golden fixed at slot 3.
     base_count = frame_cnt >> 1;
     ref_frame_config->ref_idx[3] = 3;
     // Cyclically refresh slots 5, 6, 7, for lag alt ref.
     lag_index = 5;
     if (base_count > 0) {
       lag_index = 5 + (base_count % 3);
       if (frame_cnt % 2 != 0) lag_index = 5 + ((base_count + 1) % 3);
     }
     // Set the altref slot to lag_index.
     ref_frame_config->ref_idx[6] = lag_index;
     if (frame_cnt % 2 == 0) {
       layer_id->temporal_layer_id = 0;
       // Update LAST on layer 0, reference LAST.
       ref_frame_config->refresh[0] = 1;
       ref_frame_config->reference[0] = 1;
       // Refresh lag_index slot, needed for lagging golen.
       ref_frame_config->refresh[lag_index] = 1;
       // Refresh GOLDEN every x base layer frames.
       if (base_count % 32 == 0) ref_frame_config->refresh[3] = 1;
     } else {
       layer_id->temporal_layer_id = 1;
       // No updates on layer 1, reference LAST (TL0).
       ref_frame_config->reference[0] = 1;
     }
     // Always reference golden and altref on TL0.
     if (layer_id->temporal_layer_id == 0) {
       ref_frame_config->reference[3] = 1;
       ref_frame_config->reference[6] = 1;
     }
   } else if (number_temporal_layers_ == 3 && number_spatial_layers_ == 1) {
     // 3-layer:
     //   1    3   5    7
     //     2        6
     // 0        4        8
     if (multi_ref) {
       // Keep golden fixed at slot 3.
       ref_frame_config->ref_idx[3] = 3;
       // Cyclically refresh slots 4, 5, 6, 7, for lag altref.
       lag_index = 4 + (base_count % 4);
       // Set the altref slot to lag_index.
       ref_frame_config->ref_idx[6] = lag_index;
     }
     if (frame_cnt % 4 == 0) {
       // Base layer.
       layer_id->temporal_layer_id = 0;
       // Update LAST on layer 0, reference LAST and GF.
       ref_frame_config->refresh[0] = 1;
       ref_frame_config->reference[3] = 1;
       if (multi_ref) {
         // Refresh GOLDEN every x ~10 base layer frames.
         if (base_count % 10 == 0) ref_frame_config->refresh[3] = 1;
         // Refresh lag_index slot, needed for lagging altref.
         ref_frame_config->refresh[lag_index] = 1;
       }
     } else if ((frame_cnt - 1) % 4 == 0) {
       layer_id->temporal_layer_id = 2;
       // First top layer: no updates, only reference LAST (TL0).
     } else if ((frame_cnt - 2) % 4 == 0) {
       layer_id->temporal_layer_id = 1;
       // Middle layer (TL1): update LAST2, only reference LAST (TL0).
       ref_frame_config->refresh[1] = 1;
     } else if ((frame_cnt - 3) % 4 == 0) {
       layer_id->temporal_layer_id = 2;
       // Second top layer: no updates, only reference LAST.
       // Set buffer idx for LAST to slot 1, since that was the slot
       // updated in previous frame. So LAST is TL1 frame.
       ref_frame_config->ref_idx[0] = 1;
       ref_frame_config->ref_idx[1] = 0;
     }
     if (multi_ref) {
       // Every frame can reference GOLDEN AND ALTREF.
       ref_frame_config->reference[3] = 1;
       ref_frame_config->reference[6] = 1;
     }
   } else if (number_temporal_layers_ == 1 && number_spatial_layers_ == 2) {
     layer_id->temporal_layer_id = 0;
     if (layer_id->spatial_layer_id == 0) {
       // Reference LAST, update LAST. Keep LAST and GOLDEN in slots 0 and 3.
       ref_frame_config->ref_idx[0] = 0;
       ref_frame_config->ref_idx[3] = 3;
       ref_frame_config->refresh[0] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 3
       // and GOLDEN to slot 0. Update slot 3 (LAST).
       ref_frame_config->ref_idx[0] = 3;
       ref_frame_config->ref_idx[3] = 0;
       ref_frame_config->refresh[3] = 1;
     }
     // Reference GOLDEN.
     if (layer_id->spatial_layer_id > 0) ref_frame_config->reference[3] = 1;
   } else if (number_temporal_layers_ == 1 && number_spatial_layers_ == 3) {
     // 3 spatial layers, 1 temporal.
     // Note for this case , we set the buffer idx for all references to be
     // either LAST or GOLDEN, which are always valid references, since decoder
     // will check if any of the 7 references is valid scale in
     // valid_ref_frame_size().
     layer_id->temporal_layer_id = 0;
     if (layer_id->spatial_layer_id == 0) {
       // Reference LAST, update LAST. Set all other buffer_idx to 0.
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->refresh[0] = 1;
     } else if (layer_id->spatial_layer_id == 1) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 1
       // and GOLDEN (and all other refs) to slot 0.
       // Update slot 1 (LAST).
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 0;
       ref_frame_config->ref_idx[0] = 1;
       if (use_last_as_scaled) {
         for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 1;
         ref_frame_config->ref_idx[0] = 0;
         ref_frame_config->ref_idx[3] = 1;
       }
       ref_frame_config->refresh[1] = 1;
     } else if (layer_id->spatial_layer_id == 2) {
       // Reference LAST and GOLDEN. Set buffer_idx for LAST to slot 2
       // and GOLDEN (and all other refs) to slot 1.
       // Update slot 2 (LAST).
       for (int i = 0; i < 7; i++) ref_frame_config->ref_idx[i] = 1;
       ref_frame_config->ref_idx[0] = 2;
       ref_frame_config->refresh[2] = 1;
       if (multi_ref) {
         ref_frame_config->ref_idx[6] = 7;
         ref_frame_config->reference[6] = 1;
         if (base_count % 10 == 0) ref_frame_config->refresh[7] = 1;
       }
     }
     // Reference GOLDEN.
     if (layer_id->spatial_layer_id > 0) {
       if (use_last_as_scaled_single_ref)
         ref_frame_config->reference[3] = 0;
       else
         ref_frame_config->reference[3] = 1;
     }
   } else if (number_temporal_layers_ == 3 && number_spatial_layers_ == 3) {
     if (simulcast_mode) {
       ref_config_simulcast3SL3TL(ref_frame_config, layer_id, is_key_frame,
                                  superframe_cnt_);
     } else {
       ref_config_3SL3TL(ref_frame_config, layer_id, is_key_frame,
                         superframe_cnt_);
       // Allow for top spatial layer to use additional temporal reference.
       // Additional reference is only updated on base temporal layer, every
       // 10 TL0 frames here.
       if (multi_ref && layer_id->spatial_layer_id == 2) {
         ref_frame_config->ref_idx[6] = 7;
         if (!is_key_frame) ref_frame_config->reference[6] = 1;
         if (base_count % 10 == 0 && layer_id->temporal_layer_id == 0)
           ref_frame_config->refresh[7] = 1;
       }
     }
   }
   // If the top spatial layer is first-time encoded in mid-sequence
   // (i.e., dynamic_enable_disable_mode = 1), then don't predict from LAST,
   // since it will have been last updated on first key frame (SL0) and so
   // be different resolution from SL2.
   if (dynamic_enable_disable_mode == 1 &&
       layer_id->spatial_layer_id == number_spatial_layers_ - 1)
     ref_frame_config->reference[0] = 0;
   return layer_flags;
 }

 virtual void initialize_svc(int number_temporal_layers,
                             int number_spatial_layers,
                             aom_svc_params *svc_params) {
   svc_params->number_spatial_layers = number_spatial_layers;
   svc_params->number_temporal_layers = number_temporal_layers;
   for (int i = 0; i < number_temporal_layers * number_spatial_layers; ++i) {
     svc_params->max_quantizers[i] = 60;
     svc_params->min_quantizers[i] = 2;
     svc_params->layer_target_bitrate[i] = target_layer_bitrate_[i];
   }
   // Do at most 3 spatial or temporal layers here.
   svc_params->framerate_factor[0] = 1;
   if (number_temporal_layers == 2) {
     svc_params->framerate_factor[0] = 2;
     svc_params->framerate_factor[1] = 1;
   } else if (number_temporal_layers == 3) {
     svc_params->framerate_factor[0] = 4;
     svc_params->framerate_factor[1] = 2;
     svc_params->framerate_factor[2] = 1;
   }
   svc_params->scaling_factor_num[0] = 1;
   svc_params->scaling_factor_den[0] = 1;
   if (number_spatial_layers == 2) {
     svc_params->scaling_factor_num[0] = 1;
     svc_params->scaling_factor_den[0] = 2;
     svc_params->scaling_factor_num[1] = 1;
     svc_params->scaling_factor_den[1] = 1;
   } else if (number_spatial_layers == 3) {
     svc_params->scaling_factor_num[0] = 1;
     svc_params->scaling_factor_den[0] = 4;
     svc_params->scaling_factor_num[1] = 1;
     svc_params->scaling_factor_den[1] = 2;
     svc_params->scaling_factor_num[2] = 1;
     svc_params->scaling_factor_den[2] = 1;
   }
 }

 virtual void BasicRateTargetingSVC3TL1SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 1;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Top temporal layers are non_reference, so exlcude them from
   // mismatch count, since loopfilter/cdef is not applied for these on
   // encoder side, but is always applied on decoder.
   // This means 150 = #frames(300) - #TL2_frames(150).
   EXPECT_EQ((int)GetMismatchFrames(), 150);
#endif
 }

 virtual void SetFrameQpSVC3TL1SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 1;

   user_define_frame_qp_ = 1;
   total_frame_ = 300;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void SetFrameQpSVC3TL3SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   user_define_frame_qp_ = 1;
   total_frame_ = 300;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void BasicRateTargetingSVC3TL1SLScreenTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::Y4mVideoSource video("screendata.y4m", 0, 60);

   const int bitrate_array[2] = { 1000, 1500 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   screen_mode_ = 1;
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.40, 2.0);
#if CONFIG_AV1_DECODER
   // Top temporal layers are non_reference, so exlcude them from
   // mismatch count, since loopfilter/cdef is not applied for these on
   // encoder side, but is always applied on decoder.
   // This means 30 = #frames(60) - #TL2_frames(30).
   // We use LE for screen since loopfilter level can become very small
   // or zero and then the frame is not a mismatch.
   EXPECT_LE((int)GetMismatchFrames(), 30);
#endif
 }

 virtual void BasicRateTargetingSVC2TL1SLScreenDropFrameTest() {
   cfg_.rc_buf_initial_sz = 50;
   cfg_.rc_buf_optimal_sz = 50;
   cfg_.rc_buf_sz = 100;
   cfg_.rc_dropframe_thresh = 30;
   cfg_.rc_min_quantizer = 0;
   cfg_.rc_max_quantizer = 52;
   cfg_.rc_end_usage = AOM_CBR;
   cfg_.g_lag_in_frames = 0;
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);

   const int bitrate_array[2] = { 60, 100 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   screen_mode_ = 1;
   SetTargetBitratesFor1SL2TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.75, 1.8);
#if CONFIG_AV1_DECODER
   // Top temporal layers are non_reference, so exlcude them from
   // mismatch count, since loopfilter/cdef is not applied for these on
   // encoder side, but is always applied on decoder.
   // This means 300 = #frames(300) - #TL2_frames(150).
   // We use LE for screen since loopfilter level can become very small
   // or zero and then the frame is not a mismatch.
   EXPECT_LE((int)GetMismatchFrames(), 150);
#endif
 }

 virtual void BasicRateTargetingSVC2TL1SLScreenDropFrame1920x1080Test() {
   cfg_.rc_buf_initial_sz = 50;
   cfg_.rc_buf_optimal_sz = 50;
   cfg_.rc_buf_sz = 100;
   cfg_.rc_dropframe_thresh = 30;
   cfg_.rc_min_quantizer = 0;
   cfg_.rc_max_quantizer = 52;
   cfg_.rc_end_usage = AOM_CBR;
   cfg_.g_lag_in_frames = 0;
   cfg_.g_error_resilient = 0;

   ::libaom_test::Y4mVideoSource video("screendata.1920_1080.y4m", 0, 60);

   const int bitrate_array[2] = { 60, 100 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   screen_mode_ = 1;
   SetTargetBitratesFor1SL2TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
#if CONFIG_AV1_DECODER
   // Top temporal layers are non_reference, so exclude them from
   // mismatch count, since loopfilter/cdef is not applied for these on
   // encoder side, but is always applied on decoder.
   // This means 150 = #frames(300) - #TL2_frames(150).
   // We use LE for screen since loopfilter level can become very small
   // or zero and then the frame is not a mismatch.
   EXPECT_LE(GetMismatchFrames(), 150u);
#endif
 }

 virtual void
 BasicRateTargetingSVC2TL1SLScreenDropFrame1920x10804ThreadTest() {
   cfg_.rc_buf_initial_sz = 50;
   cfg_.rc_buf_optimal_sz = 50;
   cfg_.rc_buf_sz = 100;
   cfg_.rc_dropframe_thresh = 30;
   cfg_.rc_min_quantizer = 0;
   cfg_.rc_max_quantizer = 52;
   cfg_.rc_end_usage = AOM_CBR;
   cfg_.g_lag_in_frames = 0;
   cfg_.g_error_resilient = 0;
   cfg_.g_threads = 4;

   ::libaom_test::Y4mVideoSource video("screendata.1920_1080.y4m", 0, 60);

   const int bitrate_array[2] = { 60, 100 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   tile_columns_ = 1;
   tile_rows_ = 1;
   screen_mode_ = 1;
   SetTargetBitratesFor1SL2TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
#if CONFIG_AV1_DECODER
   // Top temporal layers are non_reference, so exclude them from
   // mismatch count, since loopfilter/cdef is not applied for these on
   // encoder side, but is always applied on decoder.
   // This means 150 = #frames(300) - #TL2_frames(150).
   // We use LE for screen since loopfilter level can become very small
   // or zero and then the frame is not a mismatch.
   EXPECT_LE(GetMismatchFrames(), 150u);
#endif
 }

 virtual void BasicRateTargetingSVC1TL3SLScreenTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

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

   const int bitrate_array[2] = { 800, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   screen_mode_ = 1;
   SetTargetBitratesFor3SL1TL();
   target_layer_bitrate_[0] = 30 * cfg_.rc_target_bitrate / 100;
   target_layer_bitrate_[1] = 60 * cfg_.rc_target_bitrate / 100;
   target_layer_bitrate_[2] = cfg_.rc_target_bitrate;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.50, 1.5);
#if CONFIG_AV1_DECODER
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC1TL1SLScreenScCutsMotionTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);

   const int bitrate_array[2] = { 200, 500 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   screen_mode_ = 1;
   SetTargetBitratesFor1SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.40, 1.7);
#if CONFIG_AV1_DECODER
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLResizeTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.rc_resize_mode = RESIZE_DYNAMIC;

   ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
                                        1, 0, 400);
   cfg_.g_w = 640;
   cfg_.g_h = 480;
   const int bitrate_array[2] = { 50, 70 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 2.0);
#if CONFIG_AV1_DECODER
   unsigned int last_w = cfg_.g_w;
   unsigned int last_h = cfg_.g_h;
   int resize_down_count = 0;
   for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
        info != frame_info_list_.end(); ++info) {
     if (info->w != last_w || info->h != last_h) {
       // Verify that resize down occurs.
       ASSERT_LT(info->w, last_w);
       ASSERT_LT(info->h, last_h);
       last_w = info->w;
       last_h = info->h;
       resize_down_count++;
     }
   }
   // Must be at least one resize down.
   ASSERT_GE(resize_down_count, 1);
#else
   printf("Warning: AV1 decoder unavailable, unable to check resize count!\n");
#endif
 }

 virtual void BasicRateTargetingSVC1TL2SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 300, 600 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor2SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.60);
 }

 virtual void BasicRateTargetingSVC3TL3SLIntraStartDecodeBaseMidSeq() {
   SetUpCbr();
   cfg_.rc_max_quantizer = 56;
   cfg_.g_error_resilient = 0;
   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   intra_only_ = 1;
   frame_sync_ = 20;
   frame_to_start_decoding_ = frame_sync_;
   layer_to_decode_ = 0;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   // Only check datarate on SL0 - this is layer that is decoded starting at
   // frame_to_start_decoding_.
   CheckDatarate(0.50, 1.60, number_temporal_layers_);
#if CONFIG_AV1_DECODER
   // Only base spatial layer is decoded and there are no non-referenece
   // frames on S0, so #mismatch must be 0.
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL3SLIntraMidSeqDecodeAll() {
   SetUpCbr();
   cfg_.rc_max_quantizer = 56;
   cfg_.g_error_resilient = 0;
   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   intra_only_ = 1;
   frame_sync_ = 20;
   frame_to_start_decoding_ = 0;
   layer_to_decode_ = 3;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.585, 1.60);
#if CONFIG_AV1_DECODER
   // All 3 spatial layers are decoded, starting at frame 0, so there are
   // and there 300/2 = 150 non-reference frames, so mismatch is 150.
   EXPECT_EQ((int)GetMismatchFrames(), 150);
#endif
 }

 virtual void BasicRateTargetingSVC3TL3SLSimulcast() {
   SetUpCbr();
   cfg_.rc_max_quantizer = 56;
   cfg_.g_error_resilient = 0;
   cfg_.kf_max_dist = 150;
   cfg_.kf_min_dist = 150;
   int num_frames = 300;
   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, num_frames);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   simulcast_mode_ = 1;
   frame_to_start_decoding_ = cfg_.kf_max_dist;
   layer_to_decode_ = 2;  // SL2
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   // Only SL2 layer is decoded.
   for (int tl = 0; tl < number_temporal_layers_; tl++) {
     int i = layer_to_decode_ * number_temporal_layers_ + tl;
     ASSERT_GE(effective_datarate_tl[i], target_layer_bitrate_[i] * 0.6)
         << " The datarate for the file is lower than target by too much!";
     ASSERT_LE(effective_datarate_tl[i], target_layer_bitrate_[i] * 1.7)
         << " The datarate for the file is greater than target by too much!";
   }
#if CONFIG_AV1_DECODER
   // Only top spatial layer (SL2) is decoded, starting at frame 150
   // (frame_to_start_decoding_), so there (300 - 150) / 2 = 75
   // non-reference frames, so mismatch is 75.
   int num_mismatch = (num_frames - frame_to_start_decoding_) / 2;
   EXPECT_EQ((int)GetMismatchFrames(), num_mismatch);
#endif
 }

 virtual void BasicRateTargetingSVC1TL2SLIntraOnlyTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 300, 600 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   intra_only_ = 1;
   SetTargetBitratesFor2SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.60);
 }

 virtual void BasicRateTargetingSVC1TL1SLIntraOnlyTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 300, 600 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   intra_only_single_layer_ = true;
   SetTargetBitratesFor1SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.60);
 }

 virtual void BasicRateTargetingSVC1TL3SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.38);
 }

 virtual void BasicRateTargetingSVC1TL3SLLastIsScaledTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   use_last_as_scaled_ = true;
   SetTargetBitratesFor3SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.38);
 }

 virtual void BasicRateTargetingSVC1TL3SLLastIsScaledSingleRefTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   use_last_as_scaled_ = true;
   use_last_as_scaled_single_ref_ = true;
   SetTargetBitratesFor3SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.38);
 }

 virtual void BasicRateTargetingSVC1TL3SLMultiRefTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   multi_ref_ = 1;
   SetTargetBitratesFor3SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.38);
 }

 virtual void BasicRateTargetingSVC3TL3SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.50, 1.38);
 }

 virtual void BasicRateTargetingSVC3TL3SLHDTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingFixedModeSVC3TL3SLHDTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   use_fixed_mode_svc_ = 1;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC3TL3SLMultiThreadSpeedPerLayerTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.g_threads = 2;
   ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
                                        1, 0, 400);
   cfg_.g_w = 640;
   cfg_.g_h = 480;
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   tile_columns_ = 1;
   tile_rows_ = 0;
   set_speed_per_layer_ = true;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC3TL3SLHDMultiThread2Test() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.g_threads = 2;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   tile_columns_ = 1;
   tile_rows_ = 0;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC2TL1SLHDMultiThread4Test() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.g_threads = 4;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   tile_columns_ = 1;
   tile_rows_ = 1;
   SetTargetBitratesFor1SL2TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC2TL1SLHDMultiThread4AutoTilesTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.g_threads = 4;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   auto_tiles_ = 1;
   SetTargetBitratesFor1SL2TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC3TL3SLHDMultiThread4Test() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.g_threads = 4;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   tile_columns_ = 1;
   tile_rows_ = 1;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC3TL3SLHDMultiRefTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   multi_ref_ = 1;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.45);
 }

 virtual void BasicRateTargetingSVC3TL3SLKfTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.kf_mode = AOM_KF_AUTO;
   cfg_.kf_min_dist = cfg_.kf_max_dist = 100;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.55, 1.4);
 }

 virtual void BasicRateTargeting444SVC3TL3SLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   cfg_.g_profile = 1;

   ::libaom_test::Y4mVideoSource video("rush_hour_444.y4m", 0, 140);

   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.70, 1.38);
 }

 virtual void BasicRateTargetingSVC3TL1SLMultiRefDropAllEnhTest() {
   SetUpCbr();
   // error_resilient can set to off/0, since for SVC the context update
   // is done per-layer.
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   multi_ref_ = 1;
   // Drop TL1 and TL2: #frames(300) - #TL0.
   drop_frames_ = 300 - 300 / 4;
   int n = 0;
   for (int i = 0; i < 300; i++) {
     if (i % 4 != 0) {
       drop_frames_list_[n] = i;
       n++;
     }
   }
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLDropAllEnhTest() {
   SetUpCbr();
   // error_resilient can set to off/0, since for SVC the context update
   // is done per-layer.
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   // Drop TL1 and TL2: #frames(300) - #TL0.
   drop_frames_ = 300 - 300 / 4;
   int n = 0;
   for (int i = 0; i < 300; i++) {
     if (i % 4 != 0) {
       drop_frames_list_[n] = i;
       n++;
     }
   }
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLDropTL2EnhTest() {
   SetUpCbr();
   // error_resilient for sequence can be off/0, since dropped frames (TL2)
   // are non-reference frames.
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   // Drop TL2: #frames(300) - (#TL0 + #TL1).
   drop_frames_ = 300 - 300 / 2;
   int n = 0;
   for (int i = 0; i < 300; i++) {
     if (i % 2 != 0) {
       drop_frames_list_[n] = i;
       n++;
     }
   }
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLDropAllEnhFrameERTest() {
   SetUpCbr();

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   // Set error_resilience at frame level, with codec control,
   // on/1 for enahancement layers and off/0 for base layer frames.
   set_frame_level_er_ = 1;

   // Drop TL1 and TL2: #frames(300) - #TL0.
   drop_frames_ = 300 - 300 / 4;
   int n = 0;
   for (int i = 0; i < 300; i++) {
     if (i % 4 != 0) {
       drop_frames_list_[n] = i;
       n++;
     }
   }
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLDropSetEnhFrameERTest() {
   SetUpCbr();

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   // Set error_resilience at frame level, with codec control,
   // on/1 for enahancement layers and off/0 for base layer frames.
   set_frame_level_er_ = 1;

   // Drop TL1 and TL2: for part of sequence. Start at first TL2 at
   // frame 101, and end at second T2 at frame 199. Frame 200 is TL0,
   // so we can continue decoding without mismatch (since LAST is the
   // only reference and error_resilient = 1 on TL1/TL2 frames).
   int n = 0;
#if CONFIG_AV1_DECODER
   int num_nonref = 300 / 2;
#endif
   for (int i = 101; i < 200; i++) {
     if (i % 4 != 0) {
       drop_frames_list_[n] = i;
       n++;
#if CONFIG_AV1_DECODER
       if (i % 2 != 0) num_nonref -= 1;
#endif
     }
   }
   drop_frames_ = n;
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), num_nonref);
#endif
 }

 virtual void BasicRateTargetingSVC2TL1SLDropSetEnhER0Test() {
   SetUpCbr();

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();

   // Set error_resilience off.
   cfg_.g_error_resilient = 0;

   // Drop TL1: for part of sequence. Start at first TL1 at
   // frame 101, and end at frame 199. Frame 200 is TL0,
   // so we can continue decoding without mismatch (since LAST is the
   // only reference).
   int n = 0;
#if CONFIG_AV1_DECODER
   int num_nonref = 300 / 2;
#endif
   for (int i = 101; i < 200; i++) {
     if (i % 2 != 0) {
       drop_frames_list_[n] = i;
       n++;
#if CONFIG_AV1_DECODER
       if (i % 2 != 0) num_nonref -= 1;
#endif
     }
   }
   drop_frames_ = n;
   number_temporal_layers_ = 2;
   target_layer_bitrate_[0] = 70 * cfg_.rc_target_bitrate / 100;
   target_layer_bitrate_[1] = cfg_.rc_target_bitrate;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), num_nonref);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLDropSetEnhER0Test() {
   SetUpCbr();

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();

   // Set error_resilience off.
   cfg_.g_error_resilient = 0;

   // Drop TL1 and TL2: for part of sequence. Start at first TL2 at
   // frame 101, and end at second T2 at frame 199. Frame 200 is TL0,
   // so we can continue decoding without mismatch (since LAST is the
   // only reference).
   int n = 0;
#if CONFIG_AV1_DECODER
   int num_nonref = 300 / 2;
#endif
   for (int i = 101; i < 200; i++) {
     if (i % 4 != 0) {
       drop_frames_list_[n] = i;
       n++;
#if CONFIG_AV1_DECODER
       if (i % 2 != 0) num_nonref -= 1;
#endif
     }
   }
   drop_frames_ = n;
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), num_nonref);
#endif
 }

 virtual void BasicRateTargetingSVC3TL3SLDropSetEnhER0Test() {
   SetUpCbr();
   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 200, 550 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   // Set error_resilience off.
   cfg_.g_error_resilient = 0;
   // Drop TL1 and TL2: for part of sequence. Start at first TL2 at
   // frame 101, and end at second T2 at frame 199. Frame 200 is TL0,
   // so we can continue decoding without mismatch (since LAST is the
   // only reference).
   // Drop here means drop whole superframe.
   int n = 0;
#if CONFIG_AV1_DECODER
   int num_nonref = 300 / 2;
#endif
   for (int i = 101; i < 200; i++) {
     if (i % 4 != 0) {
       drop_frames_list_[n] = i;
       n++;
#if CONFIG_AV1_DECODER
       if (i % 2 != 0) num_nonref -= 1;
#endif
     }
   }
   SetTargetBitratesFor3SL3TL();
   multi_ref_ = 1;
   drop_frames_ = n * number_spatial_layers_;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 * number_spatial_layers_ - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), num_nonref);
#endif
 }

 virtual void BasicRateTargetingSVC3TL1SLMultiRefCompoundTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
                                        1, 0, 400);
   cfg_.g_w = 640;
   cfg_.g_h = 480;
   const int bitrate_array[2] = { 400, 800 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   multi_ref_ = 1;
   comp_pred_ = 1;
   SetTargetBitratesFor1SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.80, 1.60);
 }

 virtual void BasicRateTargetingSVC1TL3SLDynEnablTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
                                        1, 0, 400);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL1TL();
   dynamic_enable_disable_mode_ = 1;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   // No need to check RC on top layer which is disabled part of the time.
   CheckDatarate(0.80, 1.38, number_spatial_layers_ - 1);
 }

 virtual void BasicRateTargetingSVC1TL3SLDynDisEnablTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 500, 1000 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   SetTargetBitratesFor3SL1TL();
   dynamic_enable_disable_mode_ = 2;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   // No need to check RC on top layer which is disabled part of the time.
   CheckDatarate(0.80, 1.38, number_spatial_layers_ - 1);
 }

 virtual void BasicRateTargetingRPS1TL1SLDropFramesTest() {
   SetUpCbr();

   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
                                        288, 30, 1, 0, 300);
   const int bitrate_array[2] = { 100, 300 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   ResetModel();
   rps_mode_ = 1;
   rps_recovery_frame_ = 100;
   cfg_.g_error_resilient = 0;
   // Drop x frames before the recovery frames (where the reference
   // is switched to an older reference (golden or altref).
   // GOLDEN is 8 frames behind (for the rps pattern example) so we can't
   // drop more than 8 frames recovery frame, so choose x = 7.
   int n = 0;
   for (int i = rps_recovery_frame_ - 7; i < rps_recovery_frame_; i++) {
     drop_frames_list_[n] = i;
     n++;
   }
   drop_frames_ = n;
   SetTargetBitratesFor1SL1TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
   CheckDatarate(0.60, 1.60);
#if CONFIG_AV1_DECODER
   // Test that no mismatches have been found.
   std::cout << "          Decoded frames: " << GetDecodedFrames() << "\n";
   std::cout << "          Mismatch frames: " << GetMismatchFrames() << "\n";
   EXPECT_EQ(300 - GetDecodedFrames(), drop_frames_);
   EXPECT_EQ((int)GetMismatchFrames(), 0);
#endif
 }

 virtual void BasicRateTargetingSVC3TL3SLExternalResizePattern1Test() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   cfg_.g_w = 1280;
   cfg_.g_h = 720;
   ResizingVideoSource video(1, 1280, 720);
   ResetModel();
   external_resize_dynamic_drop_layer_ = true;
   external_resize_pattern_ = 1;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void BasicRateTargetingSVC3TL3SLExternalResizePattern1HighResTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   cfg_.g_w = 1850;
   cfg_.g_h = 1110;
   cfg_.g_forced_max_frame_width = 1850;
   cfg_.g_forced_max_frame_height = 1110;
   ResizingVideoSource video(1, 1850, 1110);
   ResetModel();
   external_resize_dynamic_drop_layer_ = true;
   external_resize_pattern_ = 1;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void BasicRateTargetingSVC3TL3SLExternalResizePattern2Test() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   cfg_.g_w = 1280;
   cfg_.g_h = 720;
   ResizingVideoSource video(2, 1280, 720);
   ResetModel();
   external_resize_dynamic_drop_layer_ = true;
   external_resize_pattern_ = 2;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void BasicRateTargetingSVC3TL3SLExternalResizePattern2HighResTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   cfg_.g_w = 1850;
   cfg_.g_h = 1110;
   cfg_.g_forced_max_frame_width = 1850;
   cfg_.g_forced_max_frame_height = 1110;
   ResizingVideoSource video(2, 1850, 1110);
   ResetModel();
   external_resize_dynamic_drop_layer_ = true;
   external_resize_pattern_ = 2;
   SetTargetBitratesFor3SL3TL();
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void BasicRateTargetingSVC3TL1SLDynamicTLTest() {
   SetUpCbr();
   cfg_.g_error_resilient = 0;
   ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
                                        1, 0, 400);
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   target_layer_bitrate_[0] = cfg_.rc_target_bitrate;
   cfg_.g_w = 640;
   cfg_.g_h = 480;
   ResetModel();
   number_temporal_layers_ = 1;
   number_spatial_layers_ = 1;
   dynamic_tl_ = true;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 virtual void BasicRateTargetingSVC1TL3SLIssue433046392() {
   cfg_.rc_buf_initial_sz = 500;
   cfg_.rc_buf_optimal_sz = 500;
   cfg_.rc_buf_sz = 1000;
   cfg_.rc_dropframe_thresh = 0;
   cfg_.rc_min_quantizer = 0;
   cfg_.rc_max_quantizer = 63;
   cfg_.rc_end_usage = AOM_CBR;
   cfg_.g_lag_in_frames = 0;
   cfg_.g_error_resilient = 0;
   const int bitrate_array[2] = { 600, 1200 };
   cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
   cfg_.g_w = 1280;
   cfg_.g_h = 720;
   ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 60);
   ResetModel();
   dynamic_scale_factors_ = true;
   number_temporal_layers_ = 1;
   number_spatial_layers_ = 3;
   target_layer_bitrate_[0] = 1 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[1] = 3 * cfg_.rc_target_bitrate / 8;
   target_layer_bitrate_[2] = 4 * cfg_.rc_target_bitrate / 8;
   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 }

 int layer_frame_cnt_;
 int superframe_cnt_;
 int number_temporal_layers_;
 int number_spatial_layers_;
 // Allow for up to 3 temporal layers.
 int target_layer_bitrate_[AOM_MAX_LAYERS];
 aom_svc_params_t svc_params_;
 aom_svc_ref_frame_config_t ref_frame_config_;
 aom_svc_ref_frame_comp_pred_t ref_frame_comp_pred_;
 aom_svc_layer_id_t layer_id_;
 double effective_datarate_tl[AOM_MAX_LAYERS];
 unsigned int drop_frames_;
 unsigned int drop_frames_list_[1000];
 unsigned int mismatch_nframes_;
 unsigned int decoded_nframes_;
 double mismatch_psnr_;
 int set_frame_level_er_;
 int multi_ref_;
 int use_fixed_mode_svc_;
 int comp_pred_;
 int dynamic_enable_disable_mode_;
 int intra_only_;
 int intra_only_single_layer_;
 unsigned int frame_to_start_decoding_;
 unsigned int layer_to_decode_;
 unsigned int frame_sync_;
 unsigned int current_video_frame_;
 int screen_mode_;
 int rps_mode_;
 int rps_recovery_frame_;
 int simulcast_mode_;
 bool use_last_as_scaled_;
 bool use_last_as_scaled_single_ref_;

 int user_define_frame_qp_;
 int frame_qp_;
 int total_frame_;
 bool set_speed_per_layer_;
 libaom_test::ACMRandom rnd_;
 bool external_resize_dynamic_drop_layer_;
 int bitrate_layer_[9];
 int external_resize_pattern_;
 bool dynamic_tl_;
 bool dynamic_scale_factors_;
};

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SL) {
 BasicRateTargetingSVC3TL1SLTest();
}

TEST_P(DatarateTestSVC, SetFrameQpSVC3TL1SL) { SetFrameQpSVC3TL1SLTest(); }

TEST_P(DatarateTestSVC, SetFrameQpSVC3TL3SL) { SetFrameQpSVC3TL3SLTest(); }

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial
// for screen mode.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLScreen) {
 BasicRateTargetingSVC3TL1SLScreenTest();
}

// Check basic rate targeting for CBR, for 2 temporal layers, 1 spatial
// for screen mode, with frame dropper on at low bitrates. Use small
// values of rc_buf_initial/optimal/sz to trigger postencode frame drop.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC2TL1SLScreenDropFrame) {
 BasicRateTargetingSVC2TL1SLScreenDropFrameTest();
}

// Check basic rate targeting for CBR, for 2 temporal layers, 1 spatial
// for screen mode, with frame dropper on at low bitrates. Use small
// values of rc_buf_initial/optimal/sz to trigger postencode frame drop.
// Use 1920x1080 clip.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC2TL1SLScreenDropFrame1920x1080) {
 BasicRateTargetingSVC2TL1SLScreenDropFrame1920x1080Test();
}

// Check basic rate targeting for CBR, for 2 temporal layers, 1 spatial
// for screen mode, with frame dropper on at low bitrates. Use small
// values of rc_buf_initial/optimal/sz to trigger postencode frame drop.
// Use 1920x1080 clip. This test runs with 4 threads.
TEST_P(DatarateTestSVC,
      BasicRateTargetingSVC2TL1SLScreenDropFrame1920x10804Thread) {
 BasicRateTargetingSVC2TL1SLScreenDropFrame1920x10804ThreadTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal
// for screen mode.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLScreen) {
 BasicRateTargetingSVC1TL3SLScreenTest();
}

// Check basic rate targeting for CBR, for 1 temporal layer, 1 spatial
// for screen mode, with source with many scene cuts and motion.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL1SLScreenScCutsMotion) {
 BasicRateTargetingSVC1TL1SLScreenScCutsMotionTest();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial,
// with dynamic resize on. Encode at very low bitrate and check that
// there is at least one resize (down) event.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLResize) {
 BasicRateTargetingSVC3TL1SLResizeTest();
}

// Check basic rate targeting for CBR, for 2 spatial layers, 1 temporal.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL2SL) {
 BasicRateTargetingSVC1TL2SLTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 3 temporal,
// with Intra-only frame inserted in the stream. Verify that we can start
// decoding the SL0 stream at the intra_only frame in mid-sequence.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLIntraStartDecodeBaseMidSeq) {
 BasicRateTargetingSVC3TL3SLIntraStartDecodeBaseMidSeq();
}

// Check basic rate targeting for CBR, for 3spatial layers, 3 temporal,
// with Intra-only frame inserted in the stream. Verify that we can
// decode all frames and layers with no mismatch.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLIntraMidSeqDecodeAll) {
 BasicRateTargetingSVC3TL3SLIntraMidSeqDecodeAll();
}

// Check simulcast mode for 3 spatial layers, 3 temporal,
// Key frame is inserted on base SLO in mid-stream, and verify that the
// top spatial layer (SL2) case be decoded, starting with an Intra-only frame.
// Verify that we can decode all frames for SL2 with no mismatch.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLSimulcast) {
 BasicRateTargetingSVC3TL3SLSimulcast();
}

// Check basic rate targeting for CBR, for 2 spatial layers, 1 temporal,
// with Intra-only frame inserted in the stream.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL2SLIntraOnly) {
 BasicRateTargetingSVC1TL2SLIntraOnlyTest();
}

// Check basic rate targeting for CBR, for 1 spatial layers, 1 temporal,
// with Intra-only frame (frame with no references) inserted in the stream.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL1SLIntraOnly) {
 BasicRateTargetingSVC1TL1SLIntraOnlyTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SL) {
 BasicRateTargetingSVC1TL3SLTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal.
// Force the spatial reference to be LAST, with a second temporal
// reference (GOLDEN).
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLLastIsScaled) {
 BasicRateTargetingSVC1TL3SLLastIsScaledTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal.
// Force the spatial reference to be LAST, and force only 1 reference.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLastIsScaledSingleRef) {
 BasicRateTargetingSVC1TL3SLLastIsScaledSingleRefTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal,
// with additional temporal reference for top spatial layer.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLMultiRef) {
 BasicRateTargetingSVC1TL3SLMultiRefTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SL) {
 BasicRateTargetingSVC3TL3SLTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLHD) {
 BasicRateTargetingSVC3TL3SLHDTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// for fixed mode SVC.
TEST_P(DatarateTestSVC, BasicRateTargetingFixedModeSVC3TL3SLHD) {
 BasicRateTargetingFixedModeSVC3TL3SLHDTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// for 2 threads, 2 tile_columns, row-mt enabled, and different speed
// per layer.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLMultiThreadSpeedPerLayer) {
 BasicRateTargetingSVC3TL3SLMultiThreadSpeedPerLayerTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// for 2 threads, 2 tile_columns, row-mt enabled.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLHDMultiThread2) {
 BasicRateTargetingSVC3TL3SLHDMultiThread2Test();
}

// Check basic rate targeting for CBR, for 1 spatial, 2 temporal layers,
// for 4 threads, 2 tile_columns, 2 tiles_rows, row-mt enabled.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC2TL1SLHDMultiThread4) {
 BasicRateTargetingSVC2TL1SLHDMultiThread4Test();
}

// Check basic rate targeting for CBR, for 1 spatial, 2 temporal layers,
// for 4 threads, row-mt enabled, and auto_tiling enabled.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC2TL1SLHDMultiThread4AutoTiles) {
 BasicRateTargetingSVC2TL1SLHDMultiThread4AutoTilesTest();
}
// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// for 4 threads, 2 tile_columns, 2 tiles_rows, row-mt enabled.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLHDMultiThread4) {
 BasicRateTargetingSVC3TL3SLHDMultiThread4Test();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// with additional temporal reference for top spatial layer.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLHDMultiRef) {
 BasicRateTargetingSVC3TL3SLHDMultiRefTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// for auto key frame mode with short key frame period.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLKf) {
 BasicRateTargetingSVC3TL3SLKfTest();
}

// Check basic rate targeting for CBR, for 3 spatial, 3 temporal layers,
// for 4:4:4 input.
#if defined(CONFIG_MAX_DECODE_PROFILE) && CONFIG_MAX_DECODE_PROFILE < 1
TEST_P(DatarateTestSVC, DISABLED_BasicRateTargeting444SVC3TL3SL) {
#else
TEST_P(DatarateTestSVC, BasicRateTargeting444SVC3TL3SL) {
#endif
 BasicRateTargeting444SVC3TL3SLTest();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with dropping of all enhancement layers (TL 1 and TL2). Check that the base
// layer (TL0) can still be decodeable (with no mismatch) with the
// error_resilient flag set to 0. This test used the pattern with multiple
// references (last, golden, and altref), updated on base layer.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLMultiRefDropAllEnh) {
 BasicRateTargetingSVC3TL1SLMultiRefDropAllEnhTest();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with dropping of all enhancement layers (TL 1 and TL2). Check that the base
// layer (TL0) can still be decodeable (with no mismatch) with the
// error_resilient flag set to 0.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLDropAllEnh) {
 BasicRateTargetingSVC3TL1SLDropAllEnhTest();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with dropping of the TL2 enhancement layer, which are non-reference
// (droppble) frames. For the base layer (TL0) and TL1 to still be decodeable
// (with no mismatch), the error_resilient_flag may be off (set to 0),
// since TL2 are non-reference frames.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLDropTL2Enh) {
 BasicRateTargetingSVC3TL1SLDropTL2EnhTest();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with dropping of all enhancement layers (TL 1 and TL2). Test that the
// error_resilient flag can be set at frame level, with on/1 on
// enhancement layers and off/0 on base layer.
// This allows for successful decoding after dropping enhancement layer frames.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLDropAllEnhFrameER) {
 BasicRateTargetingSVC3TL1SLDropAllEnhFrameERTest();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with dropping set of enhancement layers (TL 1 and TL2) in middle of sequence.
// Test that the error_resilient flag can be set at frame level, with on/1 on
// enhancement layers and off/0 on base layer.
// This allows for successful decoding after dropping a set enhancement layer
// frames in the sequence.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLDropSetEnhFrameER) {
 BasicRateTargetingSVC3TL1SLDropSetEnhFrameERTest();
}

// Check basic rate targeting for CBR, for 2 temporal layers, 1 spatial layer,
// with dropping set of enhancement layers (TL 1) in middle of sequence.
// Test that the error_resilient flag can be 0/off for all frames.
// This allows for successful decoding after dropping a set enhancement layer
// frames in the sequence.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC2TL1SLDropSetEnhER0) {
 BasicRateTargetingSVC2TL1SLDropSetEnhER0Test();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with dropping set of enhancement layers (TL 1 and TL2) in middle of sequence.
// Test that the error_resilient flag can be 0/off for all frames.
// This allows for successful decoding after dropping a set enhancement layer
// frames in the sequence.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLDropSetEnhER0) {
 BasicRateTargetingSVC3TL1SLDropSetEnhER0Test();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 3 spatial layers,
// with dropping set of enhancement layers (superframe TL 1 and TL2) in middle
// of sequence. Test that the error_resilient flag can be 0/off for all frames.
// This allows for successful decoding after dropping a set enhancement layer
// frames in the sequence.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLDropSetEnhER0) {
 BasicRateTargetingSVC3TL3SLDropSetEnhER0Test();
}

// Check basic rate targeting for CBR, for 3 temporal layers, 1 spatial layer,
// with compound prediction on, for pattern with two additional refereces
// (golden and altref), both updated on base TLO frames.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLMultiRefCompound) {
 BasicRateTargetingSVC3TL1SLMultiRefCompoundTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal,
// with the top spatial layer starting disabled (0 bitrate) and then
// dynamically enabled after x frames with nonzero bitrate.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLDynEnabl) {
 BasicRateTargetingSVC1TL3SLDynEnablTest();
}

// Check basic rate targeting for CBR, for 3 spatial layers, 1 temporal,
// with the top spatial layer dynamically disabled snd enabled during the
// middle of the sequence.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLDynDisEnabl) {
 BasicRateTargetingSVC1TL3SLDynDisEnablTest();
}

// Check basic rate targeting and encoder/decodermismatch, for RPS
// with 1 layer. A number of consecutive frames are lost midway in
// sequence, and encoder resorts to a longer term reference to recovery
// and continue decoding successfully.
TEST_P(DatarateTestSVC, BasicRateTargetingRPS1TL1SLDropFrames) {
 BasicRateTargetingRPS1TL1SLDropFramesTest();
}

// For 1 pass CBR SVC with 3 spatial and 3 temporal layers with external resize
// and denoiser enabled. The external resizer will resize down and back up,
// setting 0/nonzero bitrate on spatial enhancement layers to disable/enable
// layers. Resizing starts on first frame and the pattern is:
//  1/4 -> 1/2 -> 1 -> 1/4 -> 1/2. Configured resolution is 1280x720.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLExternalResizePattern1) {
 BasicRateTargetingSVC3TL3SLExternalResizePattern1Test();
}

// For 1 pass CBR SVC with 3 spatial and 3 temporal layers with external resize
// and denoiser enabled. The external resizer will resize down and back up,
// setting 0/nonzero bitrate on spatial enhancement layers to disable/enable
// layers. Resizing starts on first frame and the pattern is:
//  1/4 -> 1/2 -> 1 -> 1/4 -> 1/2. Configured resolution is 1850x1110.
TEST_P(DatarateTestSVC,
      BasicRateTargetingSVC3TL3SLExternalResizePattern1HighRes) {
 BasicRateTargetingSVC3TL3SLExternalResizePattern1HighResTest();
}

// For 1 pass CBR SVC with 3 spatial and 3 temporal layers with external resize
// and denoiser enabled. The external resizer will resize down and back up,
// setting 0/nonzero bitrate on spatial enhancement layers to disable/enable
// layers. Resizing starts on first frame and the pattern is:
//  1/2 -> 1/4 -> 1 -> 1/2 -> 1/4. Configured resolution is 1280x720.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL3SLExternalResizePattern2) {
 BasicRateTargetingSVC3TL3SLExternalResizePattern2Test();
}

// For 1 pass CBR SVC with 3 spatial and 3 temporal layers with external resize
// and denoiser enabled. The external resizer will resize down and back up,
// setting 0/nonzero bitrate on spatial enhancement layers to disable/enable
// layers. Resizing starts on first frame and the pattern is:
//  1/2 -> 1/4 -> 1 -> 1/2 -> 1/4. Configured resolution is 1850x1110.
TEST_P(DatarateTestSVC,
      BasicRateTargetingSVC3TL3SLExternalResizePattern2HighRes) {
 BasicRateTargetingSVC3TL3SLExternalResizePattern2HighResTest();
}

// For 1 pass CBR SVC with 1 spatial and dynamic temporal layers.
// Start/initialize with 1 temporal layer and then enable 3 temporal layers
// during the sequence, and then back to 1.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC3TL1SLDynamicTL) {
 BasicRateTargetingSVC3TL1SLDynamicTLTest();
}

// For 1 pass CBR SVC with 3 spatial and 1 temporal layer.
// This encoding is to catch the issue in b:433046392. Encoder is initialized
// for 3 spatial layers with top resolution of 1280x720. Starting from first
// frame the scale factor for top layer is set to 1/2 (so top layer will be
// same resolution as middle) and 0 bitrate is set for top layer to skip
// encoding that layer. Then mid-way in sequence the scale factor is set to 1/1
// (so top layer is 1280x720) and non-zero bitrate is set for all layers.
// Disabling usage of src_sad_blk_64x64 for spatial layers fixes the issues with
// this encoding.
TEST_P(DatarateTestSVC, BasicRateTargetingSVC1TL3SLIssue433046392) {
 BasicRateTargetingSVC1TL3SLIssue433046392();
}

TEST(SvcParams, BitrateOverflow) {
 uint8_t buf[6] = { 0 };
 aom_image_t img;
 aom_codec_ctx_t enc;
 aom_codec_enc_cfg_t cfg;

 EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, 1, 1, 1, buf));

 aom_codec_iface_t *const iface = aom_codec_av1_cx();
 EXPECT_EQ(aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_REALTIME),
           AOM_CODEC_OK);
 cfg.g_w = 1;
 cfg.g_h = 1;
 ASSERT_EQ(aom_codec_enc_init(&enc, iface, &cfg, 0), AOM_CODEC_OK);

 aom_svc_params_t svc_params = {};
 svc_params.framerate_factor[0] = 1;
 svc_params.framerate_factor[1] = 2;
 svc_params.number_spatial_layers = 1;
 svc_params.number_temporal_layers = 2;
 svc_params.layer_target_bitrate[0] = INT_MAX;
 svc_params.layer_target_bitrate[1] = INT_MAX;
 EXPECT_EQ(aom_codec_control(&enc, AV1E_SET_SVC_PARAMS, &svc_params),
           AOM_CODEC_OK);
 EXPECT_EQ(
     aom_codec_encode(&enc, &img, /*pts=*/0, /*duration=*/1, /*flags=*/0),
     AOM_CODEC_OK);
 EXPECT_EQ(aom_codec_encode(&enc, /*img=*/nullptr, /*pts=*/0, /*duration=*/0,
                            /*flags=*/0),
           AOM_CODEC_OK);
 EXPECT_EQ(aom_codec_destroy(&enc), AOM_CODEC_OK);
}

AV1_INSTANTIATE_TEST_SUITE(DatarateTestSVC,
                          ::testing::Values(::libaom_test::kRealTime),
                          ::testing::Range(7, 12), ::testing::Values(0, 3),
                          ::testing::Values(0, 1));

}  // namespace
}  // namespace datarate_test