LCOV - code coverage report
Current view: top level - Codec - EbRateControlProcess.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 326 2017 16.2 %
Date: 2019-11-25 17:38:06 Functions: 17 31 54.8 %

          Line data    Source code
       1             : /*
       2             : * Copyright(c) 2019 Intel Corporation
       3             : * SPDX - License - Identifier: BSD - 2 - Clause - Patent
       4             : */
       5             : 
       6             : /*
       7             : * Copyright (c) 2016, Alliance for Open Media. All rights reserved
       8             : *
       9             : * This source code is subject to the terms of the BSD 2 Clause License and
      10             : * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
      11             : * was not distributed with this source code in the LICENSE file, you can
      12             : * obtain it at www.aomedia.org/license/software. If the Alliance for Open
      13             : * Media Patent License 1.0 was not distributed with this source code in the
      14             : * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
      15             : */
      16             : #include <stdlib.h>
      17             : 
      18             : #include "EbDefinitions.h"
      19             : #include "EbRateControlProcess.h"
      20             : #include "EbSystemResourceManager.h"
      21             : #include "EbSequenceControlSet.h"
      22             : #include "EbPictureControlSet.h"
      23             : #include "EbUtility.h"
      24             : #include "EbSvtAv1ErrorCodes.h"
      25             : #include "EbEntropyCoding.h"
      26             : 
      27             : #include "EbRateControlResults.h"
      28             : #include "EbRateControlTasks.h"
      29             : #include "RateControlModel.h"
      30             : 
      31             : #include "EbSegmentation.h"
      32             : 
      33             : // calculate the QP based on the QP scaling
      34             : uint32_t qp_scaling_calc(
      35             :     SequenceControlSet *sequence_control_set_ptr,
      36             :     EB_SLICE            slice_type,
      37             :     uint32_t            temporal_layer_index,
      38             :     uint32_t            base_qp);
      39             : 
      40             : /*****************************
      41             : * Internal Typedefs
      42             : *****************************/
      43           0 : void rate_control_layer_reset(
      44             :     RateControlLayerContext *rate_control_layer_ptr,
      45             :     PictureControlSet       *picture_control_set_ptr,
      46             :     RateControlContext      *rate_control_context_ptr,
      47             :     uint32_t                 picture_area_in_pixel,
      48             :     EbBool                  was_used)
      49             : {
      50           0 :     SequenceControlSet *sequence_control_set_ptr = (SequenceControlSet *)picture_control_set_ptr->sequence_control_set_wrapper_ptr->object_ptr;
      51             :     uint32_t            slice_num;
      52             :     uint32_t            temporal_layer_index;
      53             :     uint64_t            total_frame_in_interval;
      54           0 :     uint64_t            sum_bits_per_sw = 0;
      55             : 
      56           0 :     rate_control_layer_ptr->target_bit_rate = picture_control_set_ptr->parent_pcs_ptr->target_bit_rate*(uint64_t)rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][rate_control_layer_ptr->temporal_index] / 100;
      57             :     // update this based on temporal layers
      58           0 :     rate_control_layer_ptr->frame_rate = sequence_control_set_ptr->frame_rate;
      59             : 
      60           0 :     total_frame_in_interval = sequence_control_set_ptr->static_config.intra_period_length + 1;
      61             : 
      62           0 :     if (sequence_control_set_ptr->static_config.look_ahead_distance != 0 && sequence_control_set_ptr->intra_period_length != -1) {
      63           0 :         if (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0) {
      64           0 :             total_frame_in_interval = 0;
      65           0 :             for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++) {
      66           0 :                 rate_control_context_ptr->frames_in_interval[temporal_layer_index] = picture_control_set_ptr->parent_pcs_ptr->frames_in_interval[temporal_layer_index];
      67           0 :                 total_frame_in_interval += picture_control_set_ptr->parent_pcs_ptr->frames_in_interval[temporal_layer_index];
      68           0 :                 sum_bits_per_sw += picture_control_set_ptr->parent_pcs_ptr->bits_per_sw_per_layer[temporal_layer_index];
      69             :             }
      70             : #if ADAPTIVE_PERCENTAGE
      71           0 :             rate_control_layer_ptr->target_bit_rate = picture_control_set_ptr->parent_pcs_ptr->target_bit_rate* picture_control_set_ptr->parent_pcs_ptr->bits_per_sw_per_layer[rate_control_layer_ptr->temporal_index] / sum_bits_per_sw;
      72             : #endif
      73             :         }
      74             :     }
      75             : 
      76           0 :     if (sequence_control_set_ptr->static_config.intra_period_length != -1)
      77           0 :         rate_control_layer_ptr->frame_rate = sequence_control_set_ptr->frame_rate * rate_control_context_ptr->frames_in_interval[rate_control_layer_ptr->temporal_index] / total_frame_in_interval;
      78             :     else {
      79           0 :         switch (picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels) {
      80           0 :         case 0:
      81           0 :             break;
      82           0 :         case 1:
      83           0 :             if (sequence_control_set_ptr->static_config.intra_period_length == -1)
      84           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> 1;
      85           0 :             break;
      86           0 :         case 2:
      87           0 :             if (rate_control_layer_ptr->temporal_index == 0)
      88           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> 2;
      89             :             else
      90           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> (3 - rate_control_layer_ptr->temporal_index);
      91           0 :             break;
      92           0 :         case 3:
      93           0 :             if (rate_control_layer_ptr->temporal_index == 0)
      94           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> 3;
      95             :             else
      96           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> (4 - rate_control_layer_ptr->temporal_index);
      97           0 :             break;
      98           0 :         case 4:
      99           0 :             if (rate_control_layer_ptr->temporal_index == 0)
     100           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> 4;
     101             :             else
     102           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> (5 - rate_control_layer_ptr->temporal_index);
     103           0 :             break;
     104           0 :         case 5:
     105           0 :             if (rate_control_layer_ptr->temporal_index == 0)
     106           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> 5;
     107             :             else
     108           0 :                 rate_control_layer_ptr->frame_rate = rate_control_layer_ptr->frame_rate >> (6 - rate_control_layer_ptr->temporal_index);
     109           0 :             break;
     110             : 
     111           0 :         default:
     112           0 :             break;
     113             :         }
     114             :     }
     115             : 
     116           0 :     rate_control_layer_ptr->coeff_averaging_weight1 = 5;
     117             : 
     118           0 :     rate_control_layer_ptr->coeff_averaging_weight2 = 16 - rate_control_layer_ptr->coeff_averaging_weight1;
     119           0 :     if (rate_control_layer_ptr->frame_rate == 0) { // no frame in that layer
     120           0 :         rate_control_layer_ptr->frame_rate = 1 << RC_PRECISION;
     121             :     }
     122           0 :     rate_control_layer_ptr->channel_bit_rate = (((rate_control_layer_ptr->target_bit_rate << (2 * RC_PRECISION)) / rate_control_layer_ptr->frame_rate) + RC_PRECISION_OFFSET) >> RC_PRECISION;
     123           0 :     rate_control_layer_ptr->channel_bit_rate = (uint64_t)MAX((int64_t)1, (int64_t)rate_control_layer_ptr->channel_bit_rate);
     124           0 :     rate_control_layer_ptr->ec_bit_constraint = rate_control_layer_ptr->channel_bit_rate;
     125             : 
     126             :     // This is only for the initial frame, because the feedback is from packetization now and all of these are considered
     127             :     // considering the bits for slice header
     128             :     // *Note - only one-slice-per picture is supported for UHD
     129           0 :     slice_num = 1;
     130             : 
     131           0 :     rate_control_layer_ptr->ec_bit_constraint -= SLICE_HEADER_BITS_NUM * slice_num;
     132             : 
     133           0 :     rate_control_layer_ptr->ec_bit_constraint = MAX(1, rate_control_layer_ptr->ec_bit_constraint);
     134             : 
     135           0 :     rate_control_layer_ptr->previous_bit_constraint = rate_control_layer_ptr->channel_bit_rate;
     136           0 :     rate_control_layer_ptr->bit_constraint = rate_control_layer_ptr->channel_bit_rate;
     137           0 :     rate_control_layer_ptr->dif_total_and_ec_bits = 0;
     138             : 
     139           0 :     rate_control_layer_ptr->frame_same_distortion_min_qp_count = 0;
     140           0 :     rate_control_layer_ptr->max_qp = picture_control_set_ptr->picture_qp;
     141             : 
     142           0 :     rate_control_layer_ptr->alpha = 1 << (RC_PRECISION - 1);
     143             :     {
     144           0 :         if (!was_used) {
     145           0 :             rate_control_layer_ptr->same_distortion_count = 0;
     146           0 :             rate_control_layer_ptr->k_coeff = 3 << RC_PRECISION;
     147           0 :             rate_control_layer_ptr->previous_k_coeff = 3 << RC_PRECISION;
     148           0 :             rate_control_layer_ptr->c_coeff = (rate_control_layer_ptr->channel_bit_rate << (2 * RC_PRECISION)) / picture_area_in_pixel / CCOEFF_INIT_FACT;
     149           0 :             rate_control_layer_ptr->previous_c_coeff = (rate_control_layer_ptr->channel_bit_rate << (2 * RC_PRECISION)) / picture_area_in_pixel / CCOEFF_INIT_FACT;
     150             :             // These are for handling Pred structure 2, when for higher temporal layer, frames can arrive in different orders
     151             :             // They should be modifed in a way that gets these from previous layers
     152           0 :             rate_control_layer_ptr->previous_frame_qp = 32;
     153           0 :             rate_control_layer_ptr->previous_frame_bit_actual = 1200;
     154           0 :             rate_control_layer_ptr->previous_framequantized_coeff_bit_actual = 1000;
     155           0 :             rate_control_layer_ptr->previous_frame_distortion_me = 10000000;
     156           0 :             rate_control_layer_ptr->previous_frame_qp = picture_control_set_ptr->picture_qp;
     157           0 :             rate_control_layer_ptr->delta_qp_fraction = 0;
     158           0 :             rate_control_layer_ptr->previous_frame_average_qp = picture_control_set_ptr->picture_qp;
     159           0 :             rate_control_layer_ptr->previous_calculated_frame_qp = picture_control_set_ptr->picture_qp;
     160           0 :             rate_control_layer_ptr->calculated_frame_qp = picture_control_set_ptr->picture_qp;
     161           0 :             rate_control_layer_ptr->critical_states = 0;
     162             :         }
     163             :         else {
     164           0 :             rate_control_layer_ptr->same_distortion_count = 0;
     165           0 :             rate_control_layer_ptr->critical_states = 0;
     166             :         }
     167             :     }
     168           0 : }
     169             : 
     170           0 : void rate_control_layer_reset_part2(
     171             :     RateControlContext      *context_ptr,
     172             :     RateControlLayerContext *rate_control_layer_ptr,
     173             :     PictureControlSet       *picture_control_set_ptr)
     174             : {
     175             :     // update this based on temporal layers
     176           0 :     rate_control_layer_ptr->max_qp = (uint32_t)CLIP3(0, 63, (int32_t)context_ptr->qp_scaling_map[rate_control_layer_ptr->temporal_index][picture_control_set_ptr->picture_qp]);
     177             :     // These are for handling Pred structure 2, when for higher temporal layer, frames can arrive in different orders
     178             :     // They should be modifed in a way that gets these from previous layers
     179           0 :     rate_control_layer_ptr->previous_frame_qp = rate_control_layer_ptr->max_qp;
     180           0 :     rate_control_layer_ptr->previous_frame_average_qp = rate_control_layer_ptr->max_qp;
     181           0 :     rate_control_layer_ptr->previous_calculated_frame_qp = rate_control_layer_ptr->max_qp;
     182           0 :     rate_control_layer_ptr->calculated_frame_qp = rate_control_layer_ptr->max_qp;
     183           0 : }
     184             : 
     185           2 : EbErrorType high_level_rate_control_context_ctor(
     186             :     HighLevelRateControlContext *entry_ptr) {
     187             :     (void)entry_ptr;
     188             : 
     189           2 :     return EB_ErrorNone;
     190             : }
     191             : 
     192        3072 : EbErrorType rate_control_layer_context_ctor(
     193             :     RateControlLayerContext *entry_ptr) {
     194             : 
     195        3072 :     entry_ptr->first_frame = 1;
     196        3072 :     entry_ptr->first_non_intra_frame = 1;
     197             : 
     198        3072 :     return EB_ErrorNone;
     199             : }
     200             : 
     201         512 : void rate_control_interval_param_context_dctor(EbPtr p)
     202             : {
     203         512 :     RateControlIntervalParamContext* obj = (RateControlIntervalParamContext*)p;
     204        3584 :     EB_DELETE_PTR_ARRAY(obj->rate_control_layer_array, EB_MAX_TEMPORAL_LAYERS);
     205         512 : }
     206             : 
     207         512 : EbErrorType rate_control_interval_param_context_ctor(
     208             :     RateControlIntervalParamContext *entry_ptr) {
     209             :     uint32_t temporal_index;
     210             : 
     211         512 :     entry_ptr->dctor = rate_control_interval_param_context_dctor;
     212             : 
     213         512 :     EB_ALLOC_PTR_ARRAY(entry_ptr->rate_control_layer_array, EB_MAX_TEMPORAL_LAYERS);
     214             : 
     215        3584 :     for (temporal_index = 0; temporal_index < EB_MAX_TEMPORAL_LAYERS; temporal_index++) {
     216        3072 :         EB_NEW(
     217             :             entry_ptr->rate_control_layer_array[temporal_index],
     218             :             rate_control_layer_context_ctor);
     219        3072 :         entry_ptr->rate_control_layer_array[temporal_index]->temporal_index = temporal_index;
     220        3072 :         entry_ptr->rate_control_layer_array[temporal_index]->frame_rate = 1 << RC_PRECISION;
     221             :     }
     222             : 
     223         512 :     return EB_ErrorNone;
     224             : }
     225             : 
     226           0 : EbErrorType rate_control_coded_frames_stats_context_ctor(
     227             :     CodedFramesStatsEntry  *entry_ptr,
     228             :     uint64_t                picture_number) {
     229             : 
     230           0 :     entry_ptr->picture_number = picture_number;
     231           0 :     entry_ptr->frame_total_bit_actual = -1;
     232             : 
     233           0 :     return EB_ErrorNone;
     234             : }
     235             : 
     236           2 : void rate_control_context_dctor(EbPtr p)
     237             : {
     238           2 :     RateControlContext* obj = (RateControlContext*)p;
     239             : #if OVERSHOOT_STAT_PRINT
     240             :     EB_DELETE_PTR_ARRAY(obj->coded_frames_stat_queue, CODED_FRAMES_STAT_QUEUE_MAX_DEPTH);
     241             : #endif
     242         514 :     EB_DELETE_PTR_ARRAY(obj->rate_control_param_queue, PARALLEL_GOP_MAX_NUMBER);
     243           2 :     EB_DELETE(obj->high_level_rate_control_ptr);
     244           2 :     EB_DELETE(obj->rc_model_ptr);
     245             : 
     246           2 : }
     247             : 
     248           2 : EbErrorType rate_control_context_ctor(
     249             :     RateControlContext *context_ptr,
     250             :     EbFifo             *rate_control_input_tasks_fifo_ptr,
     251             :     EbFifo             *rate_control_output_results_fifo_ptr,
     252             :     int32_t             intra_period)
     253             : {
     254             :     uint32_t interval_index;
     255             : 
     256             : #if OVERSHOOT_STAT_PRINT
     257             :     uint32_t picture_index;
     258             : #endif
     259             : 
     260           2 :     context_ptr->dctor = rate_control_context_dctor;
     261           2 :     context_ptr->rate_control_input_tasks_fifo_ptr = rate_control_input_tasks_fifo_ptr;
     262           2 :     context_ptr->rate_control_output_results_fifo_ptr = rate_control_output_results_fifo_ptr;
     263             : 
     264             :     // High level RC
     265           2 :     EB_NEW(
     266             :         context_ptr->high_level_rate_control_ptr,
     267             :         high_level_rate_control_context_ctor);
     268             : 
     269           2 :     EB_NEW(context_ptr->rc_model_ptr, rate_control_model_ctor);
     270             : 
     271           2 :     EB_ALLOC_PTR_ARRAY(context_ptr->rate_control_param_queue, PARALLEL_GOP_MAX_NUMBER);
     272             : 
     273         514 :     for (interval_index = 0; interval_index < PARALLEL_GOP_MAX_NUMBER; interval_index++) {
     274         512 :         EB_NEW(
     275             :             context_ptr->rate_control_param_queue[interval_index],
     276             :             rate_control_interval_param_context_ctor);
     277         512 :         context_ptr->rate_control_param_queue[interval_index]->first_poc = (interval_index*(uint32_t)(intra_period + 1));
     278         512 :         context_ptr->rate_control_param_queue[interval_index]->last_poc = ((interval_index + 1)*(uint32_t)(intra_period + 1)) - 1;
     279             :     }
     280             : 
     281             : #if OVERSHOOT_STAT_PRINT
     282             :     EB_ALLOC_PTR_ARRAY(context_ptr->coded_frames_stat_queue, CODED_FRAMES_STAT_QUEUE_MAX_DEPTH);
     283             : 
     284             :     for (picture_index = 0; picture_index < CODED_FRAMES_STAT_QUEUE_MAX_DEPTH; ++picture_index) {
     285             :         EB_NEW(context_ptr->coded_frames_stat_queue[picture_index],
     286             :             rate_control_coded_frames_stats_context_ctor,
     287             :             picture_index);
     288             :     }
     289             :     context_ptr->min_bit_actual_per_gop = 0xfffffffffffff;
     290             : #endif
     291           2 :     context_ptr->intra_coef_rate = 4;
     292             : 
     293           2 :     return EB_ErrorNone;
     294             : }
     295           0 : uint64_t predict_bits(
     296             :     EncodeContext                 *encode_context_ptr,
     297             :     HlRateControlHistogramEntry   *hl_rate_control_histogram_ptr_temp,
     298             :     uint32_t                         qp,
     299             :     uint32_t                         area_in_pixel)
     300             : {
     301           0 :     uint64_t total_bits = 0;
     302             : 
     303           0 :     if (hl_rate_control_histogram_ptr_temp->is_coded) {
     304             :         // If the frame is already coded, use the actual number of bits
     305           0 :         total_bits = hl_rate_control_histogram_ptr_temp->total_num_bits_coded;
     306             :     }
     307             :     else {
     308           0 :         RateControlTables     *rate_control_tables_ptr = &encode_context_ptr->rate_control_tables_array[qp];
     309           0 :         EbBitNumber             *sad_bits_array_ptr = rate_control_tables_ptr->sad_bits_array[hl_rate_control_histogram_ptr_temp->temporal_layer_index];
     310           0 :         EbBitNumber             *intra_sad_bits_array_ptr = rate_control_tables_ptr->intra_sad_bits_array[0];
     311           0 :         uint32_t                pred_bits_ref_qp = 0;
     312             : 
     313           0 :         if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE) {
     314             :             // Loop over block in the frame and calculated the predicted bits at reg QP
     315             :             unsigned i;
     316           0 :             uint32_t accum = 0;
     317           0 :             for (i = 0; i < NUMBER_OF_INTRA_SAD_INTERVALS; ++i)
     318           0 :                 accum += (uint32_t)((uint32_t)hl_rate_control_histogram_ptr_temp->ois_distortion_histogram[i] * (uint32_t)intra_sad_bits_array_ptr[i]);
     319           0 :             pred_bits_ref_qp = accum;
     320           0 :             total_bits += pred_bits_ref_qp;
     321             :         }
     322             :         else {
     323             :             unsigned i;
     324           0 :             uint32_t accum = 0;
     325           0 :             uint32_t accum_intra = 0;
     326           0 :             for (i = 0; i < NUMBER_OF_SAD_INTERVALS; ++i)
     327             :             {
     328           0 :                 accum += (uint32_t)((uint32_t)hl_rate_control_histogram_ptr_temp->me_distortion_histogram[i] * (uint32_t)sad_bits_array_ptr[i]);
     329           0 :                 accum_intra += (uint32_t)((uint32_t)hl_rate_control_histogram_ptr_temp->ois_distortion_histogram[i] * (uint32_t)intra_sad_bits_array_ptr[i]);
     330             :             }
     331           0 :             if (accum > accum_intra * 3)
     332           0 :                 pred_bits_ref_qp = accum_intra;
     333             :             else
     334           0 :                 pred_bits_ref_qp = accum;
     335           0 :             total_bits += pred_bits_ref_qp;
     336             :         }
     337             : 
     338             :         // Scale for in complete LCSs
     339             :         //  total_bits is normalized based on the area because of the sbs at the picture boundries
     340           0 :         total_bits = total_bits * (uint64_t)area_in_pixel / (hl_rate_control_histogram_ptr_temp->full_sb_count << 12);
     341             :     }
     342           0 :     return total_bits;
     343             : }
     344             : 
     345           0 : void high_level_rc_input_picture_vbr(
     346             :     PictureParentControlSet     *picture_control_set_ptr,
     347             :     SequenceControlSet          *sequence_control_set_ptr,
     348             :     EncodeContext               *encode_context_ptr,
     349             :     RateControlContext          *context_ptr,
     350             :     HighLevelRateControlContext *high_level_rate_control_ptr)
     351             : {
     352           0 :     EbBool                      end_of_sequence_flag = EB_TRUE;
     353             : 
     354             :     HlRateControlHistogramEntry *hl_rate_control_histogram_ptr_temp;
     355             :     // Queue variables
     356             :     uint32_t                     queue_entry_index_temp;
     357             :     uint32_t                     queue_entry_index_temp2;
     358             :     int64_t                      queue_entry_index_head_temp;
     359             : 
     360             :     uint64_t                     min_la_bit_distance;
     361             :     uint32_t                     selected_ref_qp_table_index;
     362             :     uint32_t                     selected_ref_qp;
     363             : #if RC_UPDATE_TARGET_RATE
     364             :     uint32_t                     selected_org_ref_qp;
     365             : #endif
     366           0 :     uint32_t                     previous_selected_ref_qp = encode_context_ptr->previous_selected_ref_qp;
     367           0 :     uint64_t                     max_coded_poc = encode_context_ptr->max_coded_poc;
     368           0 :     uint32_t                     max_coded_poc_selected_ref_qp = encode_context_ptr->max_coded_poc_selected_ref_qp;
     369             : 
     370             :     uint32_t                     ref_qp_index;
     371             :     uint32_t                     ref_qp_index_temp;
     372             :     uint32_t                     ref_qp_table_index;
     373             : 
     374             :     uint32_t                     area_in_pixel;
     375             :     uint32_t                     num_of_full_sbs;
     376             :     uint32_t                     qp_search_min;
     377             :     uint32_t                     qp_search_max;
     378           0 :     int32_t                      qp_step = 1;
     379             :     EbBool                      best_qp_found;
     380             :     uint32_t                     temporal_layer_index;
     381             :     EbBool                      tables_updated;
     382             : 
     383           0 :     uint64_t                     bit_constraint_per_sw = 0;
     384             : 
     385             :     RateControlTables           *rate_control_tables_ptr;
     386             :     EbBitNumber                 *sad_bits_array_ptr;
     387             :     EbBitNumber                 *intra_sad_bits_array_ptr;
     388             :     uint32_t                     pred_bits_ref_qp;
     389             : 
     390           0 :     for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++)
     391           0 :         picture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_index] = 0;
     392           0 :     picture_control_set_ptr->total_bits_per_gop = 0;
     393             : 
     394           0 :     area_in_pixel = sequence_control_set_ptr->seq_header.max_frame_width * sequence_control_set_ptr->seq_header.max_frame_height;;
     395             : 
     396           0 :     eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->rate_table_update_mutex);
     397             : 
     398           0 :     tables_updated = sequence_control_set_ptr->encode_context_ptr->rate_control_tables_array_updated;
     399           0 :     picture_control_set_ptr->percentage_updated = EB_FALSE;
     400           0 :     if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
     401             :         // Increamenting the head of the hl_rate_control_historgram_queue and clean up the entores
     402           0 :         hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]);
     403           0 :         while ((hl_rate_control_histogram_ptr_temp->life_count == 0) && hl_rate_control_histogram_ptr_temp->passed_to_hlrc) {
     404           0 :             eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
     405             :             // Reset the Reorder Queue Entry
     406           0 :             hl_rate_control_histogram_ptr_temp->picture_number += INITIAL_RATE_CONTROL_REORDER_QUEUE_MAX_DEPTH;
     407           0 :             hl_rate_control_histogram_ptr_temp->life_count = -1;
     408           0 :             hl_rate_control_histogram_ptr_temp->passed_to_hlrc = EB_FALSE;
     409           0 :             hl_rate_control_histogram_ptr_temp->is_coded = EB_FALSE;
     410           0 :             hl_rate_control_histogram_ptr_temp->total_num_bits_coded = 0;
     411             : 
     412             :             // Increment the Reorder Queue head Ptr
     413           0 :             encode_context_ptr->hl_rate_control_historgram_queue_head_index =
     414           0 :                 (encode_context_ptr->hl_rate_control_historgram_queue_head_index == HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? 0 : encode_context_ptr->hl_rate_control_historgram_queue_head_index + 1;
     415           0 :             eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
     416           0 :             hl_rate_control_histogram_ptr_temp = encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index];
     417             :         }
     418             :         // For the case that number of frames in the sliding window is less than size of the look ahead or intra Refresh. i.e. end of sequence
     419           0 :         if ((picture_control_set_ptr->frames_in_sw < MIN(sequence_control_set_ptr->static_config.look_ahead_distance + 1, (uint32_t)sequence_control_set_ptr->intra_period_length + 1))) {
     420           0 :             selected_ref_qp = max_coded_poc_selected_ref_qp;
     421             : 
     422             :             // Update the QP for the sliding window based on the status of RC
     423           0 :             if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 3)))
     424           0 :                 selected_ref_qp = (uint32_t)MAX((int32_t)selected_ref_qp - 2, 0);
     425           0 :             else if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 2)))
     426           0 :                 selected_ref_qp = (uint32_t)MAX((int32_t)selected_ref_qp - 1, 0);
     427           0 :             if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 2)))
     428           0 :                 selected_ref_qp += 2;
     429           0 :             else if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 1)))
     430           0 :                 selected_ref_qp += 1;
     431           0 :             if ((picture_control_set_ptr->frames_in_sw < (uint32_t)(sequence_control_set_ptr->intra_period_length + 1)) &&
     432           0 :                 (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0)) {
     433           0 :                 selected_ref_qp++;
     434             :             }
     435             : 
     436           0 :             selected_ref_qp = (uint32_t)CLIP3(
     437             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
     438             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
     439             :                 selected_ref_qp);
     440             : 
     441           0 :             queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
     442           0 :             queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
     443           0 :             queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
     444           0 :                 queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     445             :                 (queue_entry_index_head_temp < 0) ?
     446           0 :                 queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     447             :                 queue_entry_index_head_temp;
     448             : 
     449           0 :             queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
     450             :             {
     451           0 :                 hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp]);
     452             : 
     453           0 :                 if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
     454           0 :                     ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
     455             :                 else
     456           0 :                     ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][selected_ref_qp];
     457             : 
     458           0 :                 ref_qp_index_temp = (uint32_t)CLIP3(
     459             :                     sequence_control_set_ptr->static_config.min_qp_allowed,
     460             :                     sequence_control_set_ptr->static_config.max_qp_allowed,
     461             :                     ref_qp_index_temp);
     462             : 
     463           0 :                 hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = 0;
     464           0 :                 rate_control_tables_ptr = &encode_context_ptr->rate_control_tables_array[ref_qp_index_temp];
     465           0 :                 sad_bits_array_ptr = rate_control_tables_ptr->sad_bits_array[hl_rate_control_histogram_ptr_temp->temporal_layer_index];
     466           0 :                 intra_sad_bits_array_ptr = rate_control_tables_ptr->intra_sad_bits_array[hl_rate_control_histogram_ptr_temp->temporal_layer_index];
     467           0 :                 pred_bits_ref_qp = 0;
     468           0 :                 num_of_full_sbs = 0;
     469             : 
     470           0 :                 if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE) {
     471             :                     // Loop over block in the frame and calculated the predicted bits at reg QP
     472             :                     {
     473             :                         unsigned i;
     474           0 :                         uint32_t accum = 0;
     475           0 :                         for (i = 0; i < NUMBER_OF_INTRA_SAD_INTERVALS; ++i)
     476           0 :                             accum += (uint32_t)(hl_rate_control_histogram_ptr_temp->ois_distortion_histogram[i] * intra_sad_bits_array_ptr[i]);
     477           0 :                         pred_bits_ref_qp = accum;
     478           0 :                         num_of_full_sbs = hl_rate_control_histogram_ptr_temp->full_sb_count;
     479             :                     }
     480           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] += pred_bits_ref_qp;
     481             :                 }
     482             : 
     483             :                 else {
     484             :                     {
     485             :                         unsigned i;
     486           0 :                         uint32_t accum = 0;
     487           0 :                         for (i = 0; i < NUMBER_OF_SAD_INTERVALS; ++i)
     488           0 :                             accum += (uint32_t)(hl_rate_control_histogram_ptr_temp->me_distortion_histogram[i] * sad_bits_array_ptr[i]);
     489           0 :                         pred_bits_ref_qp = accum;
     490           0 :                         num_of_full_sbs = hl_rate_control_histogram_ptr_temp->full_sb_count;
     491             :                     }
     492           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] += pred_bits_ref_qp;
     493             :                 }
     494             : 
     495             :                 // Scale for in complete
     496             :                 //  pred_bits_ref_qp is normalized based on the area because of the LCUs at the picture boundries
     497           0 :                 hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] * (uint64_t)area_in_pixel / (num_of_full_sbs << 12);
     498             : 
     499             :                 // Store the pred_bits_ref_qp for the first frame in the window to PCS
     500           0 :                 picture_control_set_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     501             :             }
     502             :         }
     503             :         else {
     504             :             // Loop over the QPs and find the best QP
     505           0 :             min_la_bit_distance = MAX_UNSIGNED_VALUE;
     506           0 :             qp_search_min = (uint8_t)CLIP3(
     507             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
     508             :                 MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
     509             :                 (uint32_t)MAX((int32_t)sequence_control_set_ptr->qp - 40, 0));
     510             : 
     511           0 :             qp_search_max = (uint8_t)CLIP3(
     512             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
     513             :                 MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
     514             :                 sequence_control_set_ptr->qp + 40);
     515             : 
     516           0 :             for (ref_qp_table_index = qp_search_min; ref_qp_table_index < qp_search_max; ref_qp_table_index++)
     517           0 :                 high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_table_index] = 0;
     518           0 :             bit_constraint_per_sw = high_level_rate_control_ptr->bit_constraint_per_sw * picture_control_set_ptr->frames_in_sw / (sequence_control_set_ptr->static_config.look_ahead_distance + 1);
     519             : 
     520             :             // Update the target rate for the sliding window based on the status of RC
     521           0 :             if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size * 10)))
     522           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 130 / 100;
     523           0 :             else if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 3)))
     524           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 120 / 100;
     525           0 :             else if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 2)))
     526           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 110 / 100;
     527           0 :             if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 3)))
     528           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 80 / 100;
     529           0 :             else if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 2)))
     530           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 90 / 100;
     531             :             // Loop over proper QPs and find the Predicted bits for that QP. Find the QP with the closest total predicted rate to target bits for the sliding window.
     532           0 :             previous_selected_ref_qp = CLIP3(
     533             :                 qp_search_min,
     534             :                 qp_search_max,
     535             :                 previous_selected_ref_qp);
     536           0 :             ref_qp_table_index = previous_selected_ref_qp;
     537           0 :             selected_ref_qp_table_index = ref_qp_table_index;
     538           0 :             selected_ref_qp = selected_ref_qp_table_index;
     539           0 :             best_qp_found = EB_FALSE;
     540           0 :             while (ref_qp_table_index >= qp_search_min && ref_qp_table_index <= qp_search_max && !best_qp_found) {
     541           0 :                 ref_qp_index = CLIP3(
     542             :                     sequence_control_set_ptr->static_config.min_qp_allowed,
     543             :                     MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
     544             :                     ref_qp_table_index);
     545           0 :                 high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] = 0;
     546             : 
     547             :                 // Finding the predicted bits for each frame in the sliding window at the reference Qp(s)
     548           0 :                 queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
     549           0 :                 queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
     550           0 :                 queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
     551           0 :                     queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     552             :                     (queue_entry_index_head_temp < 0) ?
     553           0 :                     queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     554             :                     queue_entry_index_head_temp;
     555             : 
     556           0 :                 queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
     557             :                 // This is set to false, so the last frame would go inside the loop
     558           0 :                 end_of_sequence_flag = EB_FALSE;
     559             : 
     560           0 :                 while (!end_of_sequence_flag &&
     561           0 :                     queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->static_config.look_ahead_distance) {
     562           0 :                     queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
     563           0 :                     hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
     564             : 
     565           0 :                     if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
     566           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[ref_qp_index];
     567             :                     else
     568           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][ref_qp_index];
     569             : 
     570           0 :                     ref_qp_index_temp = (uint32_t)CLIP3(
     571             :                         sequence_control_set_ptr->static_config.min_qp_allowed,
     572             :                         sequence_control_set_ptr->static_config.max_qp_allowed,
     573             :                         ref_qp_index_temp);
     574             : 
     575           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = 0;
     576             : 
     577           0 :                     if (ref_qp_table_index == previous_selected_ref_qp) {
     578           0 :                         eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
     579           0 :                         hl_rate_control_histogram_ptr_temp->life_count--;
     580           0 :                         eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
     581             :                     }
     582           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = predict_bits(
     583             :                         encode_context_ptr,
     584             :                         hl_rate_control_histogram_ptr_temp,
     585             :                         ref_qp_index_temp,
     586             :                         area_in_pixel);
     587             : 
     588           0 :                     high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     589             : 
     590             :                     // Store the pred_bits_ref_qp for the first frame in the window to PCS
     591           0 :                     if (queue_entry_index_head_temp == queue_entry_index_temp2)
     592           0 :                         picture_control_set_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     593             : 
     594           0 :                     end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
     595           0 :                     queue_entry_index_temp++;
     596             :                 }
     597             : 
     598           0 :                 if (min_la_bit_distance >= (uint64_t)ABS((int64_t)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - (int64_t)bit_constraint_per_sw)) {
     599           0 :                     min_la_bit_distance = (uint64_t)ABS((int64_t)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - (int64_t)bit_constraint_per_sw);
     600           0 :                     selected_ref_qp_table_index = ref_qp_table_index;
     601           0 :                     selected_ref_qp = ref_qp_index;
     602             :                 }
     603             :                 else
     604           0 :                     best_qp_found = EB_TRUE;
     605           0 :                 if (ref_qp_table_index == previous_selected_ref_qp) {
     606           0 :                     if (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] > bit_constraint_per_sw)
     607           0 :                         qp_step = +1;
     608             :                     else
     609           0 :                         qp_step = -1;
     610             :                 }
     611           0 :                 ref_qp_table_index = (uint32_t)(ref_qp_table_index + qp_step);
     612             :             }
     613             :         }
     614             : 
     615             : #if RC_UPDATE_TARGET_RATE
     616           0 :         selected_org_ref_qp = selected_ref_qp;
     617           0 :         if (sequence_control_set_ptr->intra_period_length != -1 && picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0 &&
     618           0 :             (int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length) {
     619           0 :             if (picture_control_set_ptr->picture_number > 0)
     620           0 :                 picture_control_set_ptr->intra_selected_org_qp = (uint8_t)selected_ref_qp;
     621           0 :             ref_qp_index = selected_ref_qp;
     622           0 :             high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] = 0;
     623             : 
     624           0 :             if (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] == 0) {
     625             :                 // Finding the predicted bits for each frame in the sliding window at the reference Qp(s)
     626             :                 //queue_entry_index_temp = encode_context_ptr->hl_rate_control_historgram_queue_head_index;
     627           0 :                 queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
     628           0 :                 queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
     629           0 :                 queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
     630           0 :                     queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     631             :                     (queue_entry_index_head_temp < 0) ?
     632           0 :                     queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     633             :                     queue_entry_index_head_temp;
     634             : 
     635           0 :                 queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
     636             : 
     637             :                 // This is set to false, so the last frame would go inside the loop
     638           0 :                 end_of_sequence_flag = EB_FALSE;
     639             : 
     640           0 :                 while (!end_of_sequence_flag &&
     641             :                     //queue_entry_index_temp <= encode_context_ptr->hl_rate_control_historgram_queue_head_index+sequence_control_set_ptr->static_config.look_ahead_distance){
     642           0 :                     queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->static_config.look_ahead_distance) {
     643           0 :                     queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
     644           0 :                     hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
     645             : 
     646           0 :                     if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
     647           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[ref_qp_index];
     648             :                     else
     649           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][ref_qp_index];
     650             : 
     651           0 :                     ref_qp_index_temp = (uint32_t)CLIP3(
     652             :                         sequence_control_set_ptr->static_config.min_qp_allowed,
     653             :                         sequence_control_set_ptr->static_config.max_qp_allowed,
     654             :                         ref_qp_index_temp);
     655             : 
     656           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = predict_bits(
     657             :                         encode_context_ptr,
     658             :                         hl_rate_control_histogram_ptr_temp,
     659             :                         ref_qp_index_temp,
     660             :                         area_in_pixel);
     661             : 
     662           0 :                     high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     663             :                     // Store the pred_bits_ref_qp for the first frame in the window to PCS
     664             :                     //  if(encode_context_ptr->hl_rate_control_historgram_queue_head_index == queue_entry_index_temp2)
     665           0 :                     if (queue_entry_index_head_temp == queue_entry_index_temp2)
     666           0 :                         picture_control_set_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     667             : 
     668           0 :                     end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
     669           0 :                     queue_entry_index_temp++;
     670             :                 }
     671             :             }
     672             :         }
     673             : #endif
     674           0 :         picture_control_set_ptr->tables_updated = tables_updated;
     675           0 :         EbBool expensive_i_slice = EB_FALSE;
     676             :         // Looping over the window to find the percentage of bit allocation in each layer
     677           0 :         if ((sequence_control_set_ptr->intra_period_length != -1) &&
     678           0 :             ((int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length) &&
     679           0 :             ((int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length)) {
     680           0 :             uint64_t i_slice_bits = 0;
     681             : 
     682           0 :             if (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0) {
     683           0 :                 queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
     684           0 :                 queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
     685           0 :                 queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
     686           0 :                     queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     687             :                     (queue_entry_index_head_temp < 0) ?
     688           0 :                     queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
     689             :                     queue_entry_index_head_temp;
     690             : 
     691           0 :                 queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
     692             : 
     693             :                 // This is set to false, so the last frame would go inside the loop
     694           0 :                 end_of_sequence_flag = EB_FALSE;
     695             : 
     696           0 :                 while (!end_of_sequence_flag &&
     697           0 :                     queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->intra_period_length) {
     698           0 :                     queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
     699           0 :                     hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
     700             : 
     701           0 :                     if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
     702           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
     703             :                     else
     704           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][selected_ref_qp];
     705             : 
     706           0 :                     ref_qp_index_temp = (uint32_t)CLIP3(
     707             :                         sequence_control_set_ptr->static_config.min_qp_allowed,
     708             :                         sequence_control_set_ptr->static_config.max_qp_allowed,
     709             :                         ref_qp_index_temp);
     710             : 
     711           0 :                     if (queue_entry_index_temp == queue_entry_index_head_temp)
     712           0 :                         i_slice_bits = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     713           0 :                     picture_control_set_ptr->total_bits_per_gop += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     714           0 :                     picture_control_set_ptr->bits_per_sw_per_layer[hl_rate_control_histogram_ptr_temp->temporal_layer_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
     715           0 :                     picture_control_set_ptr->percentage_updated = EB_TRUE;
     716             : 
     717           0 :                     end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
     718           0 :                     queue_entry_index_temp++;
     719             :                 }
     720           0 :                 if (i_slice_bits * 100 > 85 * picture_control_set_ptr->total_bits_per_gop)
     721           0 :                     expensive_i_slice = EB_TRUE;
     722           0 :                 if (picture_control_set_ptr->total_bits_per_gop == 0) {
     723           0 :                     for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++)
     724           0 :                         picture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_index] = rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][temporal_layer_index];
     725             :                 }
     726             :             }
     727             :         }
     728             :         else {
     729           0 :             for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++)
     730           0 :                 picture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_index] = rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][temporal_layer_index];
     731             :         }
     732           0 :         if (expensive_i_slice) {
     733           0 :             if (tables_updated)
     734           0 :                 selected_ref_qp = (uint32_t)MAX((int32_t)selected_ref_qp - 1, 0);
     735             :             else
     736           0 :                 selected_ref_qp = (uint32_t)MAX((int32_t)selected_ref_qp - 3, 0);
     737           0 :             selected_ref_qp = (uint32_t)CLIP3(
     738             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
     739             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
     740             :                 selected_ref_qp);
     741             :         }
     742             :         // Set the QP
     743           0 :         previous_selected_ref_qp = selected_ref_qp;
     744           0 :         if (picture_control_set_ptr->picture_number > max_coded_poc && picture_control_set_ptr->temporal_layer_index < 2 && !picture_control_set_ptr->end_of_sequence_region) {
     745           0 :             max_coded_poc = picture_control_set_ptr->picture_number;
     746           0 :             max_coded_poc_selected_ref_qp = previous_selected_ref_qp;
     747           0 :             encode_context_ptr->previous_selected_ref_qp = previous_selected_ref_qp;
     748           0 :             encode_context_ptr->max_coded_poc = max_coded_poc;
     749           0 :             encode_context_ptr->max_coded_poc_selected_ref_qp = max_coded_poc_selected_ref_qp;
     750             :         }
     751             : 
     752           0 :         if (picture_control_set_ptr->slice_type == I_SLICE)
     753           0 :             picture_control_set_ptr->best_pred_qp = (uint8_t)context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
     754             :         else
     755           0 :             picture_control_set_ptr->best_pred_qp = (uint8_t)context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][selected_ref_qp];
     756             : 
     757           0 :         picture_control_set_ptr->best_pred_qp = (uint8_t)CLIP3(
     758             :             sequence_control_set_ptr->static_config.min_qp_allowed,
     759             :             sequence_control_set_ptr->static_config.max_qp_allowed,
     760             :             picture_control_set_ptr->best_pred_qp);
     761             : 
     762             : #if RC_UPDATE_TARGET_RATE
     763           0 :         if (picture_control_set_ptr->picture_number == 0) {
     764           0 :             high_level_rate_control_ptr->prev_intra_selected_ref_qp = selected_ref_qp;
     765           0 :             high_level_rate_control_ptr->prev_intra_org_selected_ref_qp = selected_ref_qp;
     766             :         }
     767           0 :         if (sequence_control_set_ptr->intra_period_length != -1) {
     768           0 :             if (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0) {
     769           0 :                 high_level_rate_control_ptr->prev_intra_selected_ref_qp = selected_ref_qp;
     770           0 :                 high_level_rate_control_ptr->prev_intra_org_selected_ref_qp = selected_org_ref_qp;
     771             :             }
     772             :         }
     773             : #endif
     774           0 :         picture_control_set_ptr->target_bits_best_pred_qp = picture_control_set_ptr->pred_bits_ref_qp[picture_control_set_ptr->best_pred_qp];
     775             : #if RC_PRINTS
     776             :         if (picture_control_set_ptr->slice_type == 2)
     777             :         {
     778             :             SVT_LOG("\nTID: %d\t", picture_control_set_ptr->temporal_layer_index);
     779             :             SVT_LOG("%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t\n",
     780             :                 picture_control_set_ptr->picture_number,
     781             :                 picture_control_set_ptr->best_pred_qp,
     782             :                 selected_ref_qp,
     783             :                 (int)picture_control_set_ptr->target_bits_best_pred_qp,
     784             :                 (int)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[selected_ref_qp - 1],
     785             :                 (int)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[selected_ref_qp],
     786             :                 (int)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[selected_ref_qp + 1],
     787             :                 (int)high_level_rate_control_ptr->bit_constraint_per_sw,
     788             :                 (int)bit_constraint_per_sw/*,
     789             :                 (int)high_level_rate_control_ptr->virtual_buffer_level*/);
     790             :         }
     791             : #endif
     792             :     }
     793           0 :     eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->rate_table_update_mutex);
     794           0 : }
     795           0 : void frame_level_rc_input_picture_vbr(
     796             :     PictureControlSet               *picture_control_set_ptr,
     797             :     SequenceControlSet              *sequence_control_set_ptr,
     798             :     RateControlContext              *context_ptr,
     799             :     RateControlLayerContext         *rate_control_layer_ptr,
     800             :     RateControlIntervalParamContext *rate_control_param_ptr)
     801             : {
     802             :     RateControlLayerContext *rate_control_layer_temp_ptr;
     803             : 
     804             :     // Tiles
     805             :     uint32_t                 picture_area_in_pixel;
     806             :     uint32_t                 area_in_pixel;
     807             : 
     808             :     // SB Loop variables
     809             :     SbParams               *sb_params_ptr;
     810             :     uint32_t                 sb_index;
     811             :     uint64_t                 temp_qp;
     812             :     uint32_t                 area_in_sbs;
     813             : 
     814           0 :     picture_area_in_pixel = sequence_control_set_ptr->seq_header.max_frame_height*sequence_control_set_ptr->seq_header.max_frame_width;
     815             : 
     816           0 :     if (rate_control_layer_ptr->first_frame == 1) {
     817           0 :         rate_control_layer_ptr->first_frame = 0;
     818           0 :         picture_control_set_ptr->parent_pcs_ptr->first_frame_in_temporal_layer = 1;
     819             :     }
     820             :     else
     821           0 :         picture_control_set_ptr->parent_pcs_ptr->first_frame_in_temporal_layer = 0;
     822           0 :     if (picture_control_set_ptr->slice_type != I_SLICE) {
     823           0 :         if (rate_control_layer_ptr->first_non_intra_frame == 1) {
     824           0 :             rate_control_layer_ptr->first_non_intra_frame = 0;
     825           0 :             picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer = 1;
     826             :         }
     827             :         else
     828           0 :             picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer = 0;
     829             :     }
     830             :     else
     831           0 :         picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer = 0;
     832             : 
     833           0 :     picture_control_set_ptr->parent_pcs_ptr->target_bits_rc = 0;
     834             : 
     835             :     // ***Rate Control***
     836           0 :     area_in_sbs = 0;
     837           0 :     area_in_pixel = 0;
     838             : 
     839           0 :     for (sb_index = 0; sb_index < picture_control_set_ptr->sb_total_count; ++sb_index) {
     840           0 :         sb_params_ptr = &sequence_control_set_ptr->sb_params_array[sb_index];
     841             : 
     842           0 :         if (sb_params_ptr->is_complete_sb) {
     843             :             // add the area of one LCU (64x64=4096) to the area of the tile
     844           0 :             area_in_pixel += 4096;
     845           0 :             area_in_sbs++;
     846             :         }
     847             :         else {
     848             :             // add the area of the LCU to the area of the tile
     849           0 :             area_in_pixel += sb_params_ptr->width * sb_params_ptr->height;
     850             :         }
     851             :     }
     852           0 :     rate_control_layer_ptr->area_in_pixel = area_in_pixel;
     853             : 
     854           0 :     if (picture_control_set_ptr->parent_pcs_ptr->first_frame_in_temporal_layer || (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc)) {
     855           0 :         if (sequence_control_set_ptr->static_config.enable_qp_scaling_flag && (picture_control_set_ptr->picture_number != rate_control_param_ptr->first_poc)) {
     856           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
     857             :                 (int32_t)sequence_control_set_ptr->static_config.min_qp_allowed,
     858             :                 (int32_t)sequence_control_set_ptr->static_config.max_qp_allowed,
     859             :                 (int32_t)(rate_control_param_ptr->intra_frames_qp + context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][rate_control_param_ptr->intra_frames_qp_bef_scal] - context_ptr->qp_scaling_map_I_SLICE[rate_control_param_ptr->intra_frames_qp_bef_scal]));
     860             :         }
     861             : 
     862           0 :         if (picture_control_set_ptr->picture_number == 0) {
     863           0 :             rate_control_param_ptr->intra_frames_qp = sequence_control_set_ptr->qp;
     864           0 :             rate_control_param_ptr->intra_frames_qp_bef_scal = (uint8_t)sequence_control_set_ptr->qp;
     865             :         }
     866             : 
     867           0 :         if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
     868             :             uint32_t temporal_layer_idex;
     869           0 :             rate_control_param_ptr->previous_virtual_buffer_level = context_ptr->virtual_buffer_level_initial_value;
     870           0 :             rate_control_param_ptr->virtual_buffer_level = context_ptr->virtual_buffer_level_initial_value;
     871           0 :             rate_control_param_ptr->extra_ap_bit_ratio_i = 0;
     872           0 :             if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
     873           0 :                 rate_control_param_ptr->last_poc = MAX(rate_control_param_ptr->first_poc + picture_control_set_ptr->parent_pcs_ptr->frames_in_sw - 1, rate_control_param_ptr->first_poc);
     874           0 :                 rate_control_param_ptr->last_gop = EB_TRUE;
     875             :             }
     876             : 
     877           0 :             if ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size >> 8)) ||
     878           0 :                 (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size >> 8))) {
     879           0 :                 int64_t extra_bits_per_gop = 0;
     880             : 
     881           0 :                 if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
     882           0 :                     if ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size << 4)) ||
     883           0 :                         (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size << 4))) {
     884           0 :                         extra_bits_per_gop = context_ptr->extra_bits;
     885           0 :                         extra_bits_per_gop = CLIP3(
     886             :                             -(int64_t)(context_ptr->vb_fill_threshold2 << 3),
     887             :                             (int64_t)(context_ptr->vb_fill_threshold2 << 3),
     888             :                             extra_bits_per_gop);
     889             :                     }
     890             :                     else
     891           0 :                         if ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size << 3)) ||
     892           0 :                             (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size << 3))) {
     893           0 :                             extra_bits_per_gop = context_ptr->extra_bits;
     894           0 :                             extra_bits_per_gop = CLIP3(
     895             :                                 -(int64_t)(context_ptr->vb_fill_threshold2 << 2),
     896             :                                 (int64_t)(context_ptr->vb_fill_threshold2 << 2),
     897             :                                 extra_bits_per_gop);
     898             :                         }
     899           0 :                         else if ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size << 2)) ||
     900           0 :                             (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size << 2))) {
     901           0 :                             extra_bits_per_gop = CLIP3(
     902             :                                 -(int64_t)context_ptr->vb_fill_threshold2 << 1,
     903             :                                 (int64_t)context_ptr->vb_fill_threshold2 << 1,
     904             :                                 extra_bits_per_gop);
     905             :                         }
     906             :                         else {
     907           0 :                             extra_bits_per_gop = CLIP3(
     908             :                                 -(int64_t)context_ptr->vb_fill_threshold1,
     909             :                                 (int64_t)context_ptr->vb_fill_threshold1,
     910             :                                 extra_bits_per_gop);
     911             :                         }
     912             :                 }
     913             :                 else {
     914           0 :                     if ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size << 3)) ||
     915           0 :                         (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size << 3))) {
     916           0 :                         extra_bits_per_gop = context_ptr->extra_bits;
     917           0 :                         extra_bits_per_gop = CLIP3(
     918             :                             -(int64_t)(context_ptr->vb_fill_threshold2 << 2),
     919             :                             (int64_t)(context_ptr->vb_fill_threshold2 << 2),
     920             :                             extra_bits_per_gop);
     921             :                     }
     922           0 :                     else if ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size << 2)) ||
     923           0 :                         (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size << 2))) {
     924           0 :                         extra_bits_per_gop = CLIP3(
     925             :                             -(int64_t)context_ptr->vb_fill_threshold2 << 1,
     926             :                             (int64_t)context_ptr->vb_fill_threshold2 << 1,
     927             :                             extra_bits_per_gop);
     928             :                     }
     929             :                 }
     930             : 
     931           0 :                 rate_control_param_ptr->virtual_buffer_level -= extra_bits_per_gop;
     932           0 :                 rate_control_param_ptr->previous_virtual_buffer_level -= extra_bits_per_gop;
     933           0 :                 context_ptr->extra_bits -= extra_bits_per_gop;
     934             :             }
     935             : 
     936           0 :             for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++) {
     937           0 :                 rate_control_layer_temp_ptr = rate_control_param_ptr->rate_control_layer_array[temporal_layer_idex];
     938           0 :                 rate_control_layer_reset(
     939             :                     rate_control_layer_temp_ptr,
     940             :                     picture_control_set_ptr,
     941             :                     context_ptr,
     942             :                     picture_area_in_pixel,
     943           0 :                     rate_control_param_ptr->was_used);
     944             :             }
     945             :         }
     946             : 
     947           0 :         picture_control_set_ptr->parent_pcs_ptr->sad_me = 0;
     948             :         // Finding the QP of the Intra frame by using variance tables
     949           0 :         if (picture_control_set_ptr->slice_type == I_SLICE) {
     950             :             uint32_t         selected_ref_qp;
     951             : 
     952           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance == 0)
     953           0 :                 printf("ERROR: LAD=0 is not supported\n");
     954             :             else {
     955           0 :                 selected_ref_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
     956           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)selected_ref_qp;
     957           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = picture_control_set_ptr->picture_qp;
     958             :             }
     959             : 
     960             :             // Update the QP based on the VB
     961           0 :             if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
     962           0 :                 if (rate_control_param_ptr->virtual_buffer_level >= context_ptr->vb_fill_threshold2 << 1)
     963           0 :                     picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 2;
     964           0 :                 else if (rate_control_param_ptr->virtual_buffer_level >= context_ptr->vb_fill_threshold2)
     965           0 :                     picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE;
     966           0 :                 else if (rate_control_param_ptr->virtual_buffer_level >= context_ptr->vb_fill_threshold1 &&
     967           0 :                     rate_control_param_ptr->virtual_buffer_level < context_ptr->vb_fill_threshold2) {
     968           0 :                     picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD1QPINCREASE;
     969             :                 }
     970           0 :                 if (rate_control_param_ptr->virtual_buffer_level <= -(context_ptr->vb_fill_threshold2 << 2))
     971           0 :                     picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - (int32_t)2, 0);
     972             :                 else
     973           0 :                     if (rate_control_param_ptr->virtual_buffer_level <= -(context_ptr->vb_fill_threshold2 << 1))
     974           0 :                         picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - (int32_t)1, 0);
     975           0 :                     else if (rate_control_param_ptr->virtual_buffer_level <= 0)
     976           0 :                         picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE, 0);
     977             :             }
     978             :             else {
     979           0 :                 if (rate_control_param_ptr->virtual_buffer_level >= context_ptr->vb_fill_threshold2)
     980           0 :                     picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE;
     981           0 :                 if (rate_control_param_ptr->virtual_buffer_level <= -(context_ptr->vb_fill_threshold2 << 2))
     982           0 :                     picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp - (uint8_t)THRESHOLD2QPINCREASE - (int32_t)2;
     983           0 :                 else if (rate_control_param_ptr->virtual_buffer_level <= -(context_ptr->vb_fill_threshold2 << 1))
     984           0 :                     picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp - (uint8_t)THRESHOLD2QPINCREASE - (int32_t)1;
     985             :                 else
     986           0 :                     if (rate_control_param_ptr->virtual_buffer_level <= 0)
     987           0 :                         picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE, 0);
     988             :             }
     989           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
     990             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
     991             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
     992             :                 picture_control_set_ptr->picture_qp);
     993             :         }
     994             :         else {
     995             :             // LCU Loop
     996           0 :             for (sb_index = 0; sb_index < picture_control_set_ptr->sb_total_count; ++sb_index) {
     997           0 :                 sb_params_ptr = &sequence_control_set_ptr->sb_params_array[sb_index];
     998             : 
     999           0 :                 if (sb_params_ptr->is_complete_sb)
    1000           0 :                     picture_control_set_ptr->parent_pcs_ptr->sad_me += picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[sb_index];
    1001             :             }
    1002             : 
    1003             :             //  tileSadMe is normalized based on the area because of the LCUs at the tile boundries
    1004           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me = MAX((picture_control_set_ptr->parent_pcs_ptr->sad_me*rate_control_layer_ptr->area_in_pixel / (area_in_sbs << 12)), 1);
    1005             : 
    1006             :             // totalSquareMad has RC_PRECISION precision
    1007           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me <<= RC_PRECISION;
    1008             :         }
    1009             : 
    1010           0 :         temp_qp = picture_control_set_ptr->picture_qp;
    1011             : 
    1012           0 :         if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    1013             :             uint32_t temporal_layer_idex;
    1014           0 :             for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++) {
    1015           0 :                 rate_control_layer_temp_ptr = rate_control_param_ptr->rate_control_layer_array[temporal_layer_idex];
    1016           0 :                 rate_control_layer_reset_part2(
    1017             :                     context_ptr,
    1018             :                     rate_control_layer_temp_ptr,
    1019             :                     picture_control_set_ptr);
    1020             :             }
    1021             :         }
    1022             : 
    1023           0 :         if (picture_control_set_ptr->picture_number == 0) {
    1024           0 :             context_ptr->base_layer_frames_avg_qp = picture_control_set_ptr->picture_qp + 1;
    1025           0 :             context_ptr->base_layer_intra_frames_avg_qp = picture_control_set_ptr->picture_qp;
    1026             :         }
    1027             :     }
    1028             :     else {
    1029           0 :         picture_control_set_ptr->parent_pcs_ptr->sad_me = 0;
    1030             : 
    1031             :         // if the pixture is an I slice, for now we set the QP as the QP of the previous frame
    1032           0 :         if (picture_control_set_ptr->slice_type == I_SLICE) {
    1033             :             uint32_t         selected_ref_qp;
    1034             : 
    1035           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance == 0)
    1036           0 :                 printf("ERROR: LAD=0 is not supported\n");
    1037             :             else {
    1038           0 :                 selected_ref_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    1039           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)selected_ref_qp;
    1040           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = picture_control_set_ptr->picture_qp;
    1041             :             }
    1042             : 
    1043           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1044             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    1045             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
    1046             :                 picture_control_set_ptr->picture_qp);
    1047             : 
    1048           0 :             temp_qp = picture_control_set_ptr->picture_qp;
    1049             :         }
    1050             : 
    1051             :         else { // Not an I slice
    1052             :             // combining the target rate from initial RC and frame level RC
    1053           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    1054           0 :                 picture_control_set_ptr->parent_pcs_ptr->target_bits_rc = rate_control_layer_ptr->bit_constraint;
    1055           0 :                 rate_control_layer_ptr->ec_bit_constraint = (rate_control_layer_ptr->alpha * picture_control_set_ptr->parent_pcs_ptr->target_bits_best_pred_qp +
    1056           0 :                     ((1 << RC_PRECISION) - rate_control_layer_ptr->alpha) * picture_control_set_ptr->parent_pcs_ptr->target_bits_rc + RC_PRECISION_OFFSET) >> RC_PRECISION;
    1057             : 
    1058           0 :                 rate_control_layer_ptr->ec_bit_constraint = (uint64_t)MAX((int64_t)rate_control_layer_ptr->ec_bit_constraint - (int64_t)rate_control_layer_ptr->dif_total_and_ec_bits, 1);
    1059             : 
    1060           0 :                 picture_control_set_ptr->parent_pcs_ptr->target_bits_rc = rate_control_layer_ptr->ec_bit_constraint;
    1061             :             }
    1062             : 
    1063             :             // LCU Loop
    1064           0 :             for (sb_index = 0; sb_index < picture_control_set_ptr->sb_total_count; ++sb_index) {
    1065           0 :                 sb_params_ptr = &sequence_control_set_ptr->sb_params_array[sb_index];
    1066             : 
    1067           0 :                 if (sb_params_ptr->is_complete_sb)
    1068           0 :                     picture_control_set_ptr->parent_pcs_ptr->sad_me += picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[sb_index];
    1069             :             }
    1070             : 
    1071             :             //  tileSadMe is normalized based on the area because of the LCUs at the tile boundries
    1072           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me = MAX((picture_control_set_ptr->parent_pcs_ptr->sad_me*rate_control_layer_ptr->area_in_pixel / (area_in_sbs << 12)), 1);
    1073           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me <<= RC_PRECISION;
    1074           0 :             if (rate_control_layer_ptr->area_in_pixel > 0)
    1075           0 :                 rate_control_layer_ptr->total_mad = MAX((picture_control_set_ptr->parent_pcs_ptr->sad_me / rate_control_layer_ptr->area_in_pixel), 1);
    1076           0 :             if (!rate_control_layer_ptr->feedback_arrived)
    1077           0 :                 rate_control_layer_ptr->previous_frame_distortion_me = picture_control_set_ptr->parent_pcs_ptr->sad_me;
    1078             :             {
    1079             :                 uint64_t qp_calc_temp1, qp_calc_temp2, qp_calc_temp3;
    1080             : 
    1081           0 :                 qp_calc_temp1 = picture_control_set_ptr->parent_pcs_ptr->sad_me *rate_control_layer_ptr->total_mad;
    1082           0 :                 qp_calc_temp2 =
    1083           0 :                     MAX((int64_t)(rate_control_layer_ptr->ec_bit_constraint << (2 * RC_PRECISION)) - (int64_t)rate_control_layer_ptr->c_coeff*(int64_t)rate_control_layer_ptr->area_in_pixel,
    1084             :                     (int64_t)(rate_control_layer_ptr->ec_bit_constraint << (2 * RC_PRECISION - 2)));
    1085             : 
    1086             :                 // This is a more complex but with higher precision implementation
    1087           0 :                 if (qp_calc_temp1 > qp_calc_temp2)
    1088           0 :                     qp_calc_temp3 = (uint64_t)((qp_calc_temp1 / qp_calc_temp2)*rate_control_layer_ptr->k_coeff);
    1089             :                 else
    1090           0 :                     qp_calc_temp3 = (uint64_t)(qp_calc_temp1*rate_control_layer_ptr->k_coeff / qp_calc_temp2);
    1091           0 :                 temp_qp = (uint64_t)(log2f_high_precision(MAX(((qp_calc_temp3 + RC_PRECISION_OFFSET) >> RC_PRECISION)*((qp_calc_temp3 + RC_PRECISION_OFFSET) >> RC_PRECISION)*((qp_calc_temp3 + RC_PRECISION_OFFSET) >> RC_PRECISION), 1), RC_PRECISION));
    1092             : 
    1093           0 :                 rate_control_layer_ptr->calculated_frame_qp = (uint8_t)(CLIP3(1, 63, (uint32_t)(temp_qp + RC_PRECISION_OFFSET) >> RC_PRECISION));
    1094           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = (uint8_t)(CLIP3(1, 63, (uint32_t)(temp_qp + RC_PRECISION_OFFSET) >> RC_PRECISION));
    1095             :             }
    1096             : 
    1097           0 :             temp_qp += rate_control_layer_ptr->delta_qp_fraction;
    1098           0 :             picture_control_set_ptr->picture_qp = (uint8_t)((temp_qp + RC_PRECISION_OFFSET) >> RC_PRECISION);
    1099             :             // Use the QP of HLRC instead of calculated one in FLRC
    1100           0 :             if (picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels > 1) {
    1101           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    1102           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    1103             :             }
    1104             :         }
    1105           0 :         if (picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer && picture_control_set_ptr->temporal_layer_index == 0 && picture_control_set_ptr->slice_type != I_SLICE)
    1106           0 :             picture_control_set_ptr->picture_qp = (uint8_t)(rate_control_param_ptr->intra_frames_qp + context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][rate_control_param_ptr->intra_frames_qp_bef_scal] - context_ptr->qp_scaling_map_I_SLICE[rate_control_param_ptr->intra_frames_qp_bef_scal]);
    1107           0 :         if (!rate_control_layer_ptr->feedback_arrived && picture_control_set_ptr->slice_type != I_SLICE) {
    1108           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1109             :                 (int32_t)sequence_control_set_ptr->static_config.min_qp_allowed,
    1110             :                 (int32_t)sequence_control_set_ptr->static_config.max_qp_allowed,
    1111             :                 (int32_t)(rate_control_param_ptr->intra_frames_qp + context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][rate_control_param_ptr->intra_frames_qp_bef_scal] - context_ptr->qp_scaling_map_I_SLICE[rate_control_param_ptr->intra_frames_qp_bef_scal]));
    1112             :         }
    1113             : 
    1114           0 :         if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    1115           0 :             if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 2)
    1116           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 4;
    1117           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 1)
    1118           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 3;
    1119           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2)
    1120           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 2;
    1121           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold1 &&
    1122           0 :                 rate_control_param_ptr->virtual_buffer_level < context_ptr->vb_fill_threshold2) {
    1123           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD1QPINCREASE + 2;
    1124             :             }
    1125             :         }
    1126             :         else {
    1127           0 :             if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 2)
    1128           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 2;
    1129           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 1)
    1130           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 1;
    1131           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2)
    1132           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 1;
    1133           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold1 &&
    1134           0 :                 rate_control_param_ptr->virtual_buffer_level < context_ptr->vb_fill_threshold2) {
    1135           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD1QPINCREASE;
    1136             :             }
    1137             :         }
    1138           0 :         if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    1139           0 :             if (rate_control_param_ptr->virtual_buffer_level < -(context_ptr->vb_fill_threshold2 << 2))
    1140           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - 2, 0);
    1141           0 :             else if (rate_control_param_ptr->virtual_buffer_level < -(context_ptr->vb_fill_threshold2 << 1))
    1142           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - 1, 0);
    1143           0 :             else if (rate_control_param_ptr->virtual_buffer_level < 0)
    1144           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE, 0);
    1145             :         }
    1146             :         else {
    1147           0 :             if (rate_control_param_ptr->virtual_buffer_level < -(context_ptr->vb_fill_threshold2 << 2))
    1148           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - 1, 0);
    1149           0 :             else if (rate_control_param_ptr->virtual_buffer_level < -context_ptr->vb_fill_threshold2)
    1150           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE, 0);
    1151             :         }
    1152             : 
    1153             :         // limiting the QP based on the predicted QP
    1154           0 :         if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    1155           0 :             if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    1156           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1157             :                     (uint32_t)MAX((int32_t)picture_control_set_ptr->parent_pcs_ptr->best_pred_qp - 8, 0),
    1158             :                     (uint32_t)picture_control_set_ptr->parent_pcs_ptr->best_pred_qp + 8,
    1159             :                     (uint32_t)picture_control_set_ptr->picture_qp);
    1160             :             }
    1161             :             else {
    1162           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1163             :                     (uint32_t)MAX((int32_t)picture_control_set_ptr->parent_pcs_ptr->best_pred_qp - 8, 0),
    1164             :                     (uint32_t)picture_control_set_ptr->parent_pcs_ptr->best_pred_qp + 8,
    1165             :                     (uint32_t)picture_control_set_ptr->picture_qp);
    1166             :             }
    1167             :         }
    1168           0 :         if (picture_control_set_ptr->picture_number != rate_control_param_ptr->first_poc &&
    1169           0 :             picture_control_set_ptr->picture_qp == picture_control_set_ptr->parent_pcs_ptr->best_pred_qp && rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold1) {
    1170           0 :             if (rate_control_param_ptr->extra_ap_bit_ratio_i > 200)
    1171           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + 3;
    1172           0 :             else if (rate_control_param_ptr->extra_ap_bit_ratio_i > 100)
    1173           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + 2;
    1174           0 :             else if (rate_control_param_ptr->extra_ap_bit_ratio_i > 50)
    1175           0 :                 picture_control_set_ptr->picture_qp++;
    1176             :         }
    1177             :         //Limiting the QP based on the QP of the Reference frame
    1178             : 
    1179             :         uint32_t ref_qp;
    1180           0 :         if ((int32_t)picture_control_set_ptr->temporal_layer_index == 0 && picture_control_set_ptr->slice_type != I_SLICE) {
    1181           0 :             if (picture_control_set_ptr->ref_slice_type_array[0][0] == I_SLICE) {
    1182           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1183             :                     (uint32_t)picture_control_set_ptr->ref_pic_qp_array[0][0],
    1184             :                     (uint32_t)picture_control_set_ptr->picture_qp,
    1185             :                     picture_control_set_ptr->picture_qp);
    1186             :             }
    1187             :             else {
    1188           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1189             :                     (uint32_t)MAX((int32_t)picture_control_set_ptr->ref_pic_qp_array[0][0] - 1, 0),
    1190             :                     (uint32_t)picture_control_set_ptr->picture_qp,
    1191             :                     picture_control_set_ptr->picture_qp);
    1192             :             }
    1193             :         }
    1194             :         else {
    1195           0 :             ref_qp = 0;
    1196           0 :             if (picture_control_set_ptr->ref_slice_type_array[0][0] != I_SLICE)
    1197           0 :                 ref_qp = MAX(ref_qp, picture_control_set_ptr->ref_pic_qp_array[0][0]);
    1198           0 :             if ((picture_control_set_ptr->slice_type == B_SLICE) && (picture_control_set_ptr->ref_slice_type_array[1][0] != I_SLICE))
    1199           0 :                 ref_qp = MAX(ref_qp, picture_control_set_ptr->ref_pic_qp_array[1][0]);
    1200           0 :             if (ref_qp > 0) {
    1201           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1202             :                     (uint32_t)ref_qp - 1,
    1203             :                     picture_control_set_ptr->picture_qp,
    1204             :                     picture_control_set_ptr->picture_qp);
    1205             :             }
    1206             :         }
    1207             :         // limiting the QP between min Qp allowed and max Qp allowed
    1208           0 :         picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    1209             :             sequence_control_set_ptr->static_config.min_qp_allowed,
    1210             :             sequence_control_set_ptr->static_config.max_qp_allowed,
    1211             :             picture_control_set_ptr->picture_qp);
    1212             : 
    1213           0 :         rate_control_layer_ptr->delta_qp_fraction = CLIP3(-RC_PRECISION_OFFSET, RC_PRECISION_OFFSET, -((int64_t)temp_qp - (int64_t)(picture_control_set_ptr->picture_qp << RC_PRECISION)));
    1214             : 
    1215           0 :         if (picture_control_set_ptr->parent_pcs_ptr->sad_me == rate_control_layer_ptr->previous_frame_distortion_me &&
    1216           0 :             (rate_control_layer_ptr->previous_frame_distortion_me != 0))
    1217           0 :             rate_control_layer_ptr->same_distortion_count++;
    1218             :         else
    1219           0 :             rate_control_layer_ptr->same_distortion_count = 0;
    1220             :     }
    1221             : 
    1222           0 :     rate_control_layer_ptr->previous_c_coeff = rate_control_layer_ptr->c_coeff;
    1223           0 :     rate_control_layer_ptr->previous_k_coeff = rate_control_layer_ptr->k_coeff;
    1224           0 :     rate_control_layer_ptr->previous_calculated_frame_qp = rate_control_layer_ptr->calculated_frame_qp;
    1225           0 : }
    1226             : 
    1227           0 : void frame_level_rc_feedback_picture_vbr(
    1228             :     PictureParentControlSet *parentpicture_control_set_ptr,
    1229             :     SequenceControlSet      *sequence_control_set_ptr,
    1230             :     RateControlContext      *context_ptr)
    1231             : {
    1232             :     RateControlLayerContext         *rate_control_layer_temp_ptr;
    1233             :     RateControlIntervalParamContext *rate_control_param_ptr;
    1234             :     RateControlLayerContext         *rate_control_layer_ptr;
    1235             :     // SB Loop variables
    1236             :     uint32_t                         slice_num;
    1237             :     uint64_t                         previous_frame_bit_actual;
    1238             : 
    1239           0 :     if (sequence_control_set_ptr->intra_period_length == -1)
    1240           0 :         rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    1241             :     else {
    1242           0 :         uint32_t interval_index_temp = 0;
    1243           0 :         while ((!(parentpicture_control_set_ptr->picture_number >= context_ptr->rate_control_param_queue[interval_index_temp]->first_poc &&
    1244           0 :             parentpicture_control_set_ptr->picture_number <= context_ptr->rate_control_param_queue[interval_index_temp]->last_poc)) &&
    1245             :             (interval_index_temp < PARALLEL_GOP_MAX_NUMBER)) {
    1246           0 :             interval_index_temp++;
    1247             :         }
    1248           0 :         CHECK_REPORT_ERROR(
    1249             :             interval_index_temp != PARALLEL_GOP_MAX_NUMBER,
    1250             :             sequence_control_set_ptr->encode_context_ptr->app_callback_ptr,
    1251             :             EB_ENC_RC_ERROR2);
    1252           0 :         rate_control_param_ptr = context_ptr->rate_control_param_queue[interval_index_temp];
    1253             :     }
    1254             : 
    1255           0 :     rate_control_layer_ptr = rate_control_param_ptr->rate_control_layer_array[parentpicture_control_set_ptr->temporal_layer_index];
    1256             : 
    1257           0 :     rate_control_layer_ptr->max_qp = 0;
    1258             : 
    1259           0 :     rate_control_layer_ptr->feedback_arrived = EB_TRUE;
    1260           0 :     rate_control_layer_ptr->max_qp = MAX(rate_control_layer_ptr->max_qp, parentpicture_control_set_ptr->picture_qp);
    1261             : 
    1262           0 :     rate_control_layer_ptr->previous_frame_qp = parentpicture_control_set_ptr->picture_qp;
    1263           0 :     rate_control_layer_ptr->previous_frame_bit_actual = parentpicture_control_set_ptr->total_num_bits;
    1264           0 :     if (parentpicture_control_set_ptr->quantized_coeff_num_bits == 0)
    1265           0 :         parentpicture_control_set_ptr->quantized_coeff_num_bits = 1;
    1266           0 :     rate_control_layer_ptr->previous_framequantized_coeff_bit_actual = parentpicture_control_set_ptr->quantized_coeff_num_bits;
    1267             : 
    1268             :     // Setting Critical states for adjusting the averaging weights on C and K
    1269           0 :     if ((parentpicture_control_set_ptr->sad_me > (3 * rate_control_layer_ptr->previous_frame_distortion_me) >> 1) &&
    1270           0 :         (rate_control_layer_ptr->previous_frame_distortion_me != 0)) {
    1271           0 :         rate_control_layer_ptr->critical_states = 3;
    1272             :     }
    1273           0 :     else if (rate_control_layer_ptr->critical_states)
    1274           0 :         rate_control_layer_ptr->critical_states--;
    1275             :     else
    1276           0 :         rate_control_layer_ptr->critical_states = 0;
    1277           0 :     if (parentpicture_control_set_ptr->slice_type != I_SLICE) {
    1278             :         // Updating c_coeff
    1279           0 :         rate_control_layer_ptr->c_coeff = (((int64_t)rate_control_layer_ptr->previous_frame_bit_actual - (int64_t)rate_control_layer_ptr->previous_framequantized_coeff_bit_actual) << (2 * RC_PRECISION))
    1280           0 :             / rate_control_layer_ptr->area_in_pixel;
    1281           0 :         rate_control_layer_ptr->c_coeff = MAX(rate_control_layer_ptr->c_coeff, 1);
    1282             : 
    1283             :         // Updating k_coeff
    1284           0 :         if ((parentpicture_control_set_ptr->sad_me + RC_PRECISION_OFFSET) >> RC_PRECISION > 5) {
    1285             :             {
    1286             :                 uint64_t test1, test2, test3;
    1287           0 :                 test1 = rate_control_layer_ptr->previous_framequantized_coeff_bit_actual*(two_to_power_qp_over_three[parentpicture_control_set_ptr->picture_qp]);
    1288           0 :                 test2 = MAX(parentpicture_control_set_ptr->sad_me / rate_control_layer_ptr->area_in_pixel, 1);
    1289           0 :                 test3 = test1 * 65536 / test2 * 65536 / parentpicture_control_set_ptr->sad_me;
    1290             : 
    1291           0 :                 rate_control_layer_ptr->k_coeff = test3;
    1292             :             }
    1293             :         }
    1294             : 
    1295           0 :         if (rate_control_layer_ptr->critical_states) {
    1296           0 :             rate_control_layer_ptr->k_coeff = (8 * rate_control_layer_ptr->k_coeff + 8 * rate_control_layer_ptr->previous_k_coeff + 8) >> 4;
    1297           0 :             rate_control_layer_ptr->c_coeff = (8 * rate_control_layer_ptr->c_coeff + 8 * rate_control_layer_ptr->previous_c_coeff + 8) >> 4;
    1298             :         }
    1299             :         else {
    1300           0 :             rate_control_layer_ptr->k_coeff = (rate_control_layer_ptr->coeff_averaging_weight1*rate_control_layer_ptr->k_coeff + rate_control_layer_ptr->coeff_averaging_weight2*rate_control_layer_ptr->previous_k_coeff + 8) >> 4;
    1301           0 :             rate_control_layer_ptr->c_coeff = (rate_control_layer_ptr->coeff_averaging_weight1*rate_control_layer_ptr->c_coeff + rate_control_layer_ptr->coeff_averaging_weight2*rate_control_layer_ptr->previous_c_coeff + 8) >> 4;
    1302             :         }
    1303           0 :         rate_control_layer_ptr->k_coeff = MIN(rate_control_layer_ptr->k_coeff, rate_control_layer_ptr->previous_k_coeff * 4);
    1304           0 :         rate_control_layer_ptr->c_coeff = MIN(rate_control_layer_ptr->c_coeff, rate_control_layer_ptr->previous_c_coeff * 4);
    1305           0 :         if (parentpicture_control_set_ptr->slice_type != I_SLICE)
    1306           0 :             rate_control_layer_ptr->previous_frame_distortion_me = parentpicture_control_set_ptr->sad_me;
    1307             :         else
    1308           0 :             rate_control_layer_ptr->previous_frame_distortion_me = 0;
    1309             :     }
    1310             : 
    1311           0 :     if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    1312           0 :         if (parentpicture_control_set_ptr->slice_type == I_SLICE) {
    1313           0 :             if (parentpicture_control_set_ptr->total_num_bits < parentpicture_control_set_ptr->target_bits_best_pred_qp << 1)
    1314           0 :                 context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + parentpicture_control_set_ptr->picture_qp + 2) >> 2;
    1315           0 :             else if (parentpicture_control_set_ptr->total_num_bits > parentpicture_control_set_ptr->target_bits_best_pred_qp << 2)
    1316           0 :                 context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + parentpicture_control_set_ptr->picture_qp + 4 + 2) >> 2;
    1317           0 :             else if (parentpicture_control_set_ptr->total_num_bits > parentpicture_control_set_ptr->target_bits_best_pred_qp << 1)
    1318           0 :                 context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + parentpicture_control_set_ptr->picture_qp + 2 + 2) >> 2;
    1319             :         }
    1320             :     }
    1321             : 
    1322             :     {
    1323           0 :         uint64_t previous_frame_ec_bits = 0;
    1324           0 :         EbBool picture_min_qp_allowed = EB_TRUE;
    1325           0 :         rate_control_layer_ptr->previous_frame_average_qp = 0;
    1326           0 :         rate_control_layer_ptr->previous_frame_average_qp += rate_control_layer_ptr->previous_frame_qp;
    1327           0 :         previous_frame_ec_bits += rate_control_layer_ptr->previous_frame_bit_actual;
    1328           0 :         if (rate_control_layer_ptr->same_distortion_count == 0 ||
    1329           0 :             parentpicture_control_set_ptr->picture_qp != sequence_control_set_ptr->static_config.min_qp_allowed) {
    1330           0 :             picture_min_qp_allowed = EB_FALSE;
    1331             :         }
    1332           0 :         if (picture_min_qp_allowed)
    1333           0 :             rate_control_layer_ptr->frame_same_distortion_min_qp_count++;
    1334             :         else
    1335           0 :             rate_control_layer_ptr->frame_same_distortion_min_qp_count = 0;
    1336             : 
    1337           0 :         rate_control_layer_ptr->previous_ec_bits = previous_frame_ec_bits;
    1338           0 :         previous_frame_bit_actual = parentpicture_control_set_ptr->total_num_bits;
    1339           0 :         if (parentpicture_control_set_ptr->first_frame_in_temporal_layer)
    1340           0 :             rate_control_layer_ptr->dif_total_and_ec_bits = (previous_frame_bit_actual - previous_frame_ec_bits);
    1341             :         else
    1342           0 :             rate_control_layer_ptr->dif_total_and_ec_bits = ((previous_frame_bit_actual - previous_frame_ec_bits) + rate_control_layer_ptr->dif_total_and_ec_bits) >> 1;
    1343             :         // update bitrate of different layers in the interval based on the rate of the I frame
    1344           0 :         if (parentpicture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc &&
    1345           0 :             (parentpicture_control_set_ptr->slice_type == I_SLICE) &&
    1346           0 :             sequence_control_set_ptr->static_config.intra_period_length != -1) {
    1347             :             uint32_t temporal_layer_idex;
    1348             :             uint64_t target_bit_rate;
    1349             :             uint64_t channel_bit_rate;
    1350           0 :             uint64_t sum_bits_per_sw = 0;
    1351             : #if ADAPTIVE_PERCENTAGE
    1352           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    1353           0 :                 if (parentpicture_control_set_ptr->tables_updated && parentpicture_control_set_ptr->percentage_updated) {
    1354           0 :                     parentpicture_control_set_ptr->bits_per_sw_per_layer[0] =
    1355           0 :                         (uint64_t)MAX((int64_t)parentpicture_control_set_ptr->bits_per_sw_per_layer[0] + (int64_t)parentpicture_control_set_ptr->total_num_bits - (int64_t)parentpicture_control_set_ptr->target_bits_best_pred_qp, 1);
    1356             :                 }
    1357             :             }
    1358             : #endif
    1359             : 
    1360           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance != 0 && sequence_control_set_ptr->intra_period_length != -1) {
    1361           0 :                 for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++)
    1362           0 :                     sum_bits_per_sw += parentpicture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_idex];
    1363             :             }
    1364             : 
    1365           0 :             for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++) {
    1366           0 :                 rate_control_layer_temp_ptr = rate_control_param_ptr->rate_control_layer_array[temporal_layer_idex];
    1367             : 
    1368           0 :                 target_bit_rate = (uint64_t)((int64_t)parentpicture_control_set_ptr->target_bit_rate -
    1369           0 :                     MIN((int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4, (int64_t)(parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION))
    1370           0 :                     *rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][temporal_layer_idex] / 100;
    1371             : 
    1372             : #if ADAPTIVE_PERCENTAGE
    1373           0 :                 if (sequence_control_set_ptr->static_config.look_ahead_distance != 0 && sequence_control_set_ptr->intra_period_length != -1) {
    1374           0 :                     target_bit_rate = (uint64_t)((int64_t)parentpicture_control_set_ptr->target_bit_rate -
    1375           0 :                         MIN((int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4, (int64_t)(parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION))
    1376           0 :                         *parentpicture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_idex] / sum_bits_per_sw;
    1377             :                 }
    1378             : #endif
    1379             :                 // update this based on temporal layers
    1380           0 :                 if (temporal_layer_idex == 0)
    1381           0 :                     channel_bit_rate = (((target_bit_rate << (2 * RC_PRECISION)) / MAX(1, rate_control_layer_temp_ptr->frame_rate - (1 * context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)))) + RC_PRECISION_OFFSET) >> RC_PRECISION;
    1382             :                 else
    1383           0 :                     channel_bit_rate = (((target_bit_rate << (2 * RC_PRECISION)) / rate_control_layer_temp_ptr->frame_rate) + RC_PRECISION_OFFSET) >> RC_PRECISION;
    1384           0 :                 channel_bit_rate = (uint64_t)MAX((int64_t)1, (int64_t)channel_bit_rate);
    1385           0 :                 rate_control_layer_temp_ptr->ec_bit_constraint = channel_bit_rate;
    1386             : 
    1387           0 :                 slice_num = 1;
    1388           0 :                 rate_control_layer_temp_ptr->ec_bit_constraint -= SLICE_HEADER_BITS_NUM * slice_num;
    1389             : 
    1390           0 :                 rate_control_layer_temp_ptr->previous_bit_constraint = channel_bit_rate;
    1391           0 :                 rate_control_layer_temp_ptr->bit_constraint = channel_bit_rate;
    1392           0 :                 rate_control_layer_temp_ptr->channel_bit_rate = channel_bit_rate;
    1393             :             }
    1394           0 :             if ((int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4 < (int64_t)(parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION) {
    1395           0 :                 rate_control_param_ptr->previous_virtual_buffer_level += (int64_t)((parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION) - (int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4;
    1396           0 :                 context_ptr->extra_bits_gen -= (int64_t)((parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION) - (int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4;
    1397             :             }
    1398             :         }
    1399             : 
    1400           0 :         if (previous_frame_bit_actual) {
    1401             :             uint64_t bit_changes_rate;
    1402             :             // Updating virtual buffer level and it can be negative
    1403           0 :             if ((parentpicture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) &&
    1404           0 :                 (parentpicture_control_set_ptr->slice_type == I_SLICE) &&
    1405           0 :                 (rate_control_param_ptr->last_gop == EB_FALSE) &&
    1406           0 :                 sequence_control_set_ptr->static_config.intra_period_length != -1) {
    1407           0 :                 rate_control_param_ptr->virtual_buffer_level =
    1408           0 :                     (int64_t)rate_control_param_ptr->previous_virtual_buffer_level;
    1409             :             }
    1410             :             else {
    1411           0 :                 rate_control_param_ptr->virtual_buffer_level =
    1412           0 :                     (int64_t)rate_control_param_ptr->previous_virtual_buffer_level +
    1413           0 :                     (int64_t)previous_frame_bit_actual - (int64_t)rate_control_layer_ptr->channel_bit_rate;
    1414           0 :                 context_ptr->extra_bits_gen -= (int64_t)previous_frame_bit_actual - (int64_t)rate_control_layer_ptr->channel_bit_rate;
    1415             :             }
    1416           0 :             if (parentpicture_control_set_ptr->hierarchical_levels > 1 && rate_control_layer_ptr->frame_same_distortion_min_qp_count > 10) {
    1417           0 :                 rate_control_layer_ptr->previous_bit_constraint = (int64_t)rate_control_layer_ptr->channel_bit_rate;
    1418           0 :                 rate_control_param_ptr->virtual_buffer_level = ((int64_t)context_ptr->virtual_buffer_size >> 1);
    1419             :             }
    1420             :             // Updating bit difference
    1421           0 :             rate_control_layer_ptr->bit_diff = (int64_t)rate_control_param_ptr->virtual_buffer_level
    1422             :                 //- ((int64_t)context_ptr->virtual_buffer_size>>1);
    1423           0 :                 - ((int64_t)rate_control_layer_ptr->channel_bit_rate >> 1);
    1424             : 
    1425             :             // Limit the bit difference
    1426           0 :             rate_control_layer_ptr->bit_diff = CLIP3(-(int64_t)(rate_control_layer_ptr->channel_bit_rate), (int64_t)(rate_control_layer_ptr->channel_bit_rate >> 1), rate_control_layer_ptr->bit_diff);
    1427           0 :             bit_changes_rate = rate_control_layer_ptr->frame_rate;
    1428             : 
    1429             :             // Updating bit Constraint
    1430           0 :             rate_control_layer_ptr->bit_constraint = MAX((int64_t)rate_control_layer_ptr->previous_bit_constraint - ((rate_control_layer_ptr->bit_diff << RC_PRECISION) / ((int64_t)bit_changes_rate)), 1);
    1431             : 
    1432             :             // Limiting the bit_constraint
    1433           0 :             if (parentpicture_control_set_ptr->temporal_layer_index == 0) {
    1434           0 :                 rate_control_layer_ptr->bit_constraint = CLIP3(rate_control_layer_ptr->channel_bit_rate >> 2,
    1435             :                     rate_control_layer_ptr->channel_bit_rate * 200 / 100,
    1436             :                     rate_control_layer_ptr->bit_constraint);
    1437             :             }
    1438             :             else {
    1439           0 :                 rate_control_layer_ptr->bit_constraint = CLIP3(rate_control_layer_ptr->channel_bit_rate >> 1,
    1440             :                     rate_control_layer_ptr->channel_bit_rate * 200 / 100,
    1441             :                     rate_control_layer_ptr->bit_constraint);
    1442             :             }
    1443           0 :             rate_control_layer_ptr->ec_bit_constraint = (uint64_t)MAX((int64_t)rate_control_layer_ptr->bit_constraint - (int64_t)rate_control_layer_ptr->dif_total_and_ec_bits, 1);
    1444           0 :             rate_control_param_ptr->previous_virtual_buffer_level = rate_control_param_ptr->virtual_buffer_level;
    1445           0 :             rate_control_layer_ptr->previous_bit_constraint = rate_control_layer_ptr->bit_constraint;
    1446             :         }
    1447             : 
    1448           0 :         rate_control_param_ptr->processed_frames_number++;
    1449           0 :         rate_control_param_ptr->in_use = EB_TRUE;
    1450             :         // check if all the frames in the interval have arrived
    1451           0 :         if (rate_control_param_ptr->processed_frames_number == (rate_control_param_ptr->last_poc - rate_control_param_ptr->first_poc + 1) &&
    1452           0 :             sequence_control_set_ptr->intra_period_length != -1) {
    1453             :             uint32_t temporal_index;
    1454             :             int64_t extra_bits;
    1455           0 :             rate_control_param_ptr->first_poc += PARALLEL_GOP_MAX_NUMBER * (uint32_t)(sequence_control_set_ptr->intra_period_length + 1);
    1456           0 :             rate_control_param_ptr->last_poc += PARALLEL_GOP_MAX_NUMBER * (uint32_t)(sequence_control_set_ptr->intra_period_length + 1);
    1457           0 :             rate_control_param_ptr->processed_frames_number = 0;
    1458           0 :             rate_control_param_ptr->extra_ap_bit_ratio_i = 0;
    1459           0 :             rate_control_param_ptr->in_use = EB_FALSE;
    1460           0 :             rate_control_param_ptr->was_used = EB_TRUE;
    1461           0 :             rate_control_param_ptr->last_gop = EB_FALSE;
    1462           0 :             rate_control_param_ptr->first_pic_actual_qp_assigned = EB_FALSE;
    1463           0 :             for (temporal_index = 0; temporal_index < EB_MAX_TEMPORAL_LAYERS; temporal_index++) {
    1464           0 :                 rate_control_param_ptr->rate_control_layer_array[temporal_index]->first_frame = 1;
    1465           0 :                 rate_control_param_ptr->rate_control_layer_array[temporal_index]->first_non_intra_frame = 1;
    1466           0 :                 rate_control_param_ptr->rate_control_layer_array[temporal_index]->feedback_arrived = EB_FALSE;
    1467             :             }
    1468           0 :             extra_bits = ((int64_t)context_ptr->virtual_buffer_size >> 1) - (int64_t)rate_control_param_ptr->virtual_buffer_level;
    1469             : 
    1470           0 :             rate_control_param_ptr->virtual_buffer_level = context_ptr->virtual_buffer_size >> 1;
    1471           0 :             context_ptr->extra_bits += extra_bits;
    1472             :         }
    1473             :         // Allocate the extra_bits among other GOPs
    1474           0 :         if ((parentpicture_control_set_ptr->temporal_layer_index <= 2) &&
    1475           0 :             ((context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size >> 8)) ||
    1476           0 :             (context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size >> 8)))) {
    1477             :             uint32_t interval_index_temp, interval_in_use_count;
    1478             :             int64_t extra_bits_per_gop;
    1479           0 :             int64_t extra_bits = context_ptr->extra_bits;
    1480             :             int32_t clip_coef1, clip_coef2;
    1481           0 :             if (parentpicture_control_set_ptr->end_of_sequence_region) {
    1482           0 :                 clip_coef1 = -1;
    1483           0 :                 clip_coef2 = -1;
    1484             :             }
    1485             :             else {
    1486           0 :                 if (context_ptr->extra_bits > (int64_t)(context_ptr->virtual_buffer_size << 3) ||
    1487           0 :                     context_ptr->extra_bits < -(int64_t)(context_ptr->virtual_buffer_size << 3)) {
    1488           0 :                     clip_coef1 = 0;
    1489           0 :                     clip_coef2 = 0;
    1490             :                 }
    1491             :                 else {
    1492           0 :                     clip_coef1 = 2;
    1493           0 :                     clip_coef2 = 4;
    1494             :                 }
    1495             :             }
    1496             : 
    1497           0 :             interval_in_use_count = 0;
    1498             : 
    1499           0 :             if (extra_bits > 0) {
    1500             :                 // Extra bits to be distributed
    1501             :                 // Distribute it among those that are consuming more
    1502           0 :                 for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1503           0 :                     if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1504           0 :                         context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level > ((int64_t)context_ptr->virtual_buffer_size >> 1)) {
    1505           0 :                         interval_in_use_count++;
    1506             :                     }
    1507             :                 }
    1508             :                 // Distribute the rate among them
    1509           0 :                 if (interval_in_use_count) {
    1510           0 :                     extra_bits_per_gop = extra_bits / interval_in_use_count;
    1511           0 :                     if (clip_coef1 > 0)
    1512           0 :                         extra_bits_per_gop = CLIP3(
    1513             :                             -(int64_t)context_ptr->virtual_buffer_size >> clip_coef1,
    1514             :                             (int64_t)context_ptr->virtual_buffer_size >> clip_coef1,
    1515             :                             extra_bits_per_gop);
    1516             :                     else
    1517           0 :                         extra_bits_per_gop = CLIP3(
    1518             :                             -(int64_t)context_ptr->virtual_buffer_size << (-clip_coef1),
    1519             :                             (int64_t)context_ptr->virtual_buffer_size << (-clip_coef1),
    1520             :                             extra_bits_per_gop);
    1521             : 
    1522           0 :                     for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1523           0 :                         if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1524           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level > ((int64_t)context_ptr->virtual_buffer_size >> 1)) {
    1525           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level -= extra_bits_per_gop;
    1526           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->previous_virtual_buffer_level -= extra_bits_per_gop;
    1527           0 :                             context_ptr->extra_bits -= extra_bits_per_gop;
    1528             :                         }
    1529             :                     }
    1530             :                 }
    1531             :                 // if no interval with more consuming was found, allocate it to ones with consuming less
    1532             :                 else {
    1533           0 :                     interval_in_use_count = 0;
    1534             :                     // Distribute it among those that are consuming less
    1535           0 :                     for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1536           0 :                         if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1537           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level <= ((int64_t)context_ptr->virtual_buffer_size >> 1)) {
    1538           0 :                             interval_in_use_count++;
    1539             :                         }
    1540             :                     }
    1541           0 :                     if (interval_in_use_count) {
    1542           0 :                         extra_bits_per_gop = extra_bits / interval_in_use_count;
    1543           0 :                         if (clip_coef2 > 0)
    1544           0 :                             extra_bits_per_gop = CLIP3(
    1545             :                                 -(int64_t)context_ptr->virtual_buffer_size >> clip_coef2,
    1546             :                                 (int64_t)context_ptr->virtual_buffer_size >> clip_coef2,
    1547             :                                 extra_bits_per_gop);
    1548             :                         else
    1549           0 :                             extra_bits_per_gop = CLIP3(
    1550             :                                 -(int64_t)context_ptr->virtual_buffer_size << (-clip_coef2),
    1551             :                                 (int64_t)context_ptr->virtual_buffer_size << (-clip_coef2),
    1552             :                                 extra_bits_per_gop);
    1553             :                         // Distribute the rate among them
    1554           0 :                         for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1555           0 :                             if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1556           0 :                                 context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level <= ((int64_t)context_ptr->virtual_buffer_size >> 1)) {
    1557           0 :                                 context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level -= extra_bits_per_gop;
    1558           0 :                                 context_ptr->rate_control_param_queue[interval_index_temp]->previous_virtual_buffer_level -= extra_bits_per_gop;
    1559           0 :                                 context_ptr->extra_bits -= extra_bits_per_gop;
    1560             :                             }
    1561             :                         }
    1562             :                     }
    1563             :                 }
    1564             :             }
    1565             :             else {
    1566             :                 // Distribute it among those that are consuming less
    1567           0 :                 for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1568           0 :                     if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1569           0 :                         context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level < ((int64_t)context_ptr->virtual_buffer_size >> 1)) {
    1570           0 :                         interval_in_use_count++;
    1571             :                     }
    1572             :                 }
    1573           0 :                 if (interval_in_use_count) {
    1574           0 :                     extra_bits_per_gop = extra_bits / interval_in_use_count;
    1575           0 :                     if (clip_coef1 > 0)
    1576           0 :                         extra_bits_per_gop = CLIP3(
    1577             :                             -(int64_t)context_ptr->virtual_buffer_size >> clip_coef1,
    1578             :                             (int64_t)context_ptr->virtual_buffer_size >> clip_coef1,
    1579             :                             extra_bits_per_gop);
    1580             :                     else
    1581           0 :                         extra_bits_per_gop = CLIP3(
    1582             :                             -(int64_t)context_ptr->virtual_buffer_size << (-clip_coef1),
    1583             :                             (int64_t)context_ptr->virtual_buffer_size << (-clip_coef1),
    1584             :                             extra_bits_per_gop);
    1585             :                     // Distribute the rate among them
    1586           0 :                     for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1587           0 :                         if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1588           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level < ((int64_t)context_ptr->virtual_buffer_size >> 1)) {
    1589           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level -= extra_bits_per_gop;
    1590           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->previous_virtual_buffer_level -= extra_bits_per_gop;
    1591           0 :                             context_ptr->extra_bits -= extra_bits_per_gop;
    1592             :                         }
    1593             :                     }
    1594             :                 }
    1595             :                 // if no interval with less consuming was found, allocate it to ones with consuming more
    1596             :                 else {
    1597           0 :                     interval_in_use_count = 0;
    1598           0 :                     for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1599           0 :                         if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1600           0 :                             context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level < (int64_t)(context_ptr->virtual_buffer_size)) {
    1601           0 :                             interval_in_use_count++;
    1602             :                         }
    1603             :                     }
    1604           0 :                     if (interval_in_use_count) {
    1605           0 :                         extra_bits_per_gop = extra_bits / interval_in_use_count;
    1606           0 :                         if (clip_coef2 > 0)
    1607           0 :                             extra_bits_per_gop = CLIP3(
    1608             :                                 -(int64_t)context_ptr->virtual_buffer_size >> clip_coef2,
    1609             :                                 (int64_t)context_ptr->virtual_buffer_size >> clip_coef2,
    1610             :                                 extra_bits_per_gop);
    1611             :                         else
    1612           0 :                             extra_bits_per_gop = CLIP3(
    1613             :                                 -(int64_t)context_ptr->virtual_buffer_size << (-clip_coef2),
    1614             :                                 (int64_t)context_ptr->virtual_buffer_size << (-clip_coef2),
    1615             :                                 extra_bits_per_gop);
    1616             :                         // Distribute the rate among them
    1617           0 :                         for (interval_index_temp = 0; interval_index_temp < PARALLEL_GOP_MAX_NUMBER; interval_index_temp++) {
    1618           0 :                             if (context_ptr->rate_control_param_queue[interval_index_temp]->in_use &&
    1619           0 :                                 context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level < (int64_t)(context_ptr->virtual_buffer_size)) {
    1620           0 :                                 context_ptr->rate_control_param_queue[interval_index_temp]->virtual_buffer_level -= extra_bits_per_gop;
    1621           0 :                                 context_ptr->rate_control_param_queue[interval_index_temp]->previous_virtual_buffer_level -= extra_bits_per_gop;
    1622           0 :                                 context_ptr->extra_bits -= extra_bits_per_gop;
    1623             :                             }
    1624             :                         }
    1625             :                     }
    1626             :                 }
    1627             :             }
    1628             :         }
    1629             :     }
    1630             : 
    1631             : #if RC_PRINTS
    1632             :     if (parentpicture_control_set_ptr->temporal_layer_index == 0)
    1633             :     {
    1634             :         SVT_LOG("%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%.0f\t%.0f\t%.0f\t%.0f\t%d\t%d\n",
    1635             :             (int)parentpicture_control_set_ptr->slice_type,
    1636             :             (int)parentpicture_control_set_ptr->picture_number,
    1637             :             (int)parentpicture_control_set_ptr->temporal_layer_index,
    1638             :             (int)parentpicture_control_set_ptr->picture_qp, (int)parentpicture_control_set_ptr->calculated_qp, (int)parentpicture_control_set_ptr->best_pred_qp,
    1639             :             (int)previous_frame_bit_actual,
    1640             :             (int)parentpicture_control_set_ptr->target_bits_best_pred_qp,
    1641             :             (int)parentpicture_control_set_ptr->target_bits_rc,
    1642             :             (int)rate_control_layer_ptr->channel_bit_rate,
    1643             :             (int)rate_control_layer_ptr->bit_constraint,
    1644             :             (double)rate_control_layer_ptr->c_coeff,
    1645             :             (double)rate_control_layer_ptr->k_coeff,
    1646             :             (double)parentpicture_control_set_ptr->sad_me,
    1647             :             (double)context_ptr->extra_bits_gen,
    1648             :             (int)rate_control_param_ptr->virtual_buffer_level,
    1649             :             (int)context_ptr->extra_bits);
    1650             :     }
    1651             : #endif
    1652           0 : }
    1653           0 : void high_level_rc_input_picture_cvbr(
    1654             :     PictureParentControlSet     *picture_control_set_ptr,
    1655             :     SequenceControlSet          *sequence_control_set_ptr,
    1656             :     EncodeContext               *encode_context_ptr,
    1657             :     RateControlContext          *context_ptr,
    1658             :     HighLevelRateControlContext *high_level_rate_control_ptr)
    1659             : {
    1660           0 :     EbBool                      end_of_sequence_flag = EB_TRUE;
    1661             : 
    1662             :     HlRateControlHistogramEntry *hl_rate_control_histogram_ptr_temp;
    1663             :     // Queue variables
    1664             :     uint32_t                     queue_entry_index_temp;
    1665             :     uint32_t                     queue_entry_index_temp2;
    1666             :     int64_t                      queue_entry_index_head_temp;
    1667             : 
    1668             :     uint64_t                     min_la_bit_distance;
    1669             :     uint32_t                     selected_ref_qp_table_index;
    1670             :     uint32_t                     selected_ref_qp;
    1671             : #if RC_UPDATE_TARGET_RATE
    1672             :     uint32_t                     selected_org_ref_qp;
    1673             : #endif
    1674           0 :     uint32_t                     previous_selected_ref_qp = encode_context_ptr->previous_selected_ref_qp;
    1675           0 :     uint64_t                     max_coded_poc = encode_context_ptr->max_coded_poc;
    1676           0 :     uint32_t                     max_coded_poc_selected_ref_qp = encode_context_ptr->max_coded_poc_selected_ref_qp;
    1677             : 
    1678             :     uint32_t                     ref_qp_index;
    1679             :     uint32_t                     ref_qp_index_temp;
    1680             :     uint32_t                     ref_qp_table_index;
    1681             : 
    1682             :     uint32_t                     area_in_pixel;
    1683             :     uint32_t                     num_of_full_sbs;
    1684             :     uint32_t                     qp_search_min;
    1685             :     uint32_t                     qp_search_max;
    1686           0 :     int32_t                      qp_step = 1;
    1687             :     EbBool                      best_qp_found;
    1688             :     uint32_t                     temporal_layer_index;
    1689             :     EbBool                      tables_updated;
    1690             : 
    1691           0 :     uint64_t                     bit_constraint_per_sw = 0;
    1692             : 
    1693             :     RateControlTables           *rate_control_tables_ptr;
    1694             :     EbBitNumber                 *sad_bits_array_ptr;
    1695             :     EbBitNumber                 *intra_sad_bits_array_ptr;
    1696             :     uint32_t                     pred_bits_ref_qp;
    1697           0 :     int delta_qp = 0;
    1698             : 
    1699           0 :     for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++)
    1700           0 :         picture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_index] = 0;
    1701           0 :     picture_control_set_ptr->total_bits_per_gop = 0;
    1702             : 
    1703           0 :     area_in_pixel = sequence_control_set_ptr->seq_header.max_frame_width * sequence_control_set_ptr->seq_header.max_frame_height;;
    1704             : 
    1705           0 :     eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->rate_table_update_mutex);
    1706             : 
    1707           0 :     tables_updated = sequence_control_set_ptr->encode_context_ptr->rate_control_tables_array_updated;
    1708           0 :     picture_control_set_ptr->percentage_updated = EB_FALSE;
    1709           0 :     if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    1710             :         // Increamenting the head of the hl_rate_control_historgram_queue and clean up the entores
    1711           0 :         hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]);
    1712             : 
    1713           0 :         while ((hl_rate_control_histogram_ptr_temp->life_count == 0) && hl_rate_control_histogram_ptr_temp->passed_to_hlrc) {
    1714           0 :             eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    1715             :             // Reset the Reorder Queue Entry
    1716           0 :             hl_rate_control_histogram_ptr_temp->picture_number += INITIAL_RATE_CONTROL_REORDER_QUEUE_MAX_DEPTH;
    1717           0 :             hl_rate_control_histogram_ptr_temp->life_count = -1;
    1718           0 :             hl_rate_control_histogram_ptr_temp->passed_to_hlrc = EB_FALSE;
    1719           0 :             hl_rate_control_histogram_ptr_temp->is_coded = EB_FALSE;
    1720           0 :             hl_rate_control_histogram_ptr_temp->total_num_bits_coded = 0;
    1721             : 
    1722             :             // Increment the Reorder Queue head Ptr
    1723           0 :             encode_context_ptr->hl_rate_control_historgram_queue_head_index =
    1724           0 :                 (encode_context_ptr->hl_rate_control_historgram_queue_head_index == HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? 0 : encode_context_ptr->hl_rate_control_historgram_queue_head_index + 1;
    1725           0 :             eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    1726           0 :             hl_rate_control_histogram_ptr_temp = encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index];
    1727             :         }
    1728             :         // For the case that number of frames in the sliding window is less than size of the look ahead or intra Refresh. i.e. end of sequence
    1729           0 :         if ((picture_control_set_ptr->frames_in_sw < MIN(sequence_control_set_ptr->static_config.look_ahead_distance + 1, (uint32_t)sequence_control_set_ptr->intra_period_length + 1))) {
    1730           0 :             selected_ref_qp = max_coded_poc_selected_ref_qp;
    1731             : 
    1732             :             // Update the QP for the sliding window based on the status of RC
    1733           0 :             if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 3)))
    1734           0 :                 selected_ref_qp = (uint32_t)MAX((int32_t)selected_ref_qp - 2, 0);
    1735           0 :             else if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 2)))
    1736           0 :                 selected_ref_qp = (uint32_t)MAX((int32_t)selected_ref_qp - 1, 0);
    1737           0 :             if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 2)))
    1738           0 :                 selected_ref_qp += 2;
    1739           0 :             else if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 1)))
    1740           0 :                 selected_ref_qp += 1;
    1741           0 :             if ((picture_control_set_ptr->frames_in_sw < (uint32_t)(sequence_control_set_ptr->intra_period_length + 1)) &&
    1742           0 :                 (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0)) {
    1743           0 :                 selected_ref_qp++;
    1744             :             }
    1745             : 
    1746           0 :             selected_ref_qp = (uint32_t)CLIP3(
    1747             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    1748             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
    1749             :                 selected_ref_qp);
    1750             : 
    1751           0 :             queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    1752           0 :             queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    1753           0 :             queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
    1754           0 :                 queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    1755             :                 (queue_entry_index_head_temp < 0) ?
    1756           0 :                 queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    1757             :                 queue_entry_index_head_temp;
    1758             : 
    1759           0 :             queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
    1760             :             {
    1761           0 :                 hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp]);
    1762             : 
    1763           0 :                 if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
    1764           0 :                     ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
    1765             :                 else
    1766           0 :                     ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][selected_ref_qp];
    1767             : 
    1768           0 :                 ref_qp_index_temp = (uint32_t)CLIP3(
    1769             :                     sequence_control_set_ptr->static_config.min_qp_allowed,
    1770             :                     sequence_control_set_ptr->static_config.max_qp_allowed,
    1771             :                     ref_qp_index_temp);
    1772             : 
    1773           0 :                 hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = 0;
    1774           0 :                 rate_control_tables_ptr = &encode_context_ptr->rate_control_tables_array[ref_qp_index_temp];
    1775           0 :                 sad_bits_array_ptr = rate_control_tables_ptr->sad_bits_array[hl_rate_control_histogram_ptr_temp->temporal_layer_index];
    1776           0 :                 intra_sad_bits_array_ptr = rate_control_tables_ptr->intra_sad_bits_array[hl_rate_control_histogram_ptr_temp->temporal_layer_index];
    1777           0 :                 pred_bits_ref_qp = 0;
    1778           0 :                 num_of_full_sbs = 0;
    1779             : 
    1780           0 :                 if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE) {
    1781             :                     // Loop over block in the frame and calculated the predicted bits at reg QP
    1782             :                     {
    1783             :                         unsigned i;
    1784           0 :                         uint32_t accum = 0;
    1785           0 :                         for (i = 0; i < NUMBER_OF_INTRA_SAD_INTERVALS; ++i)
    1786           0 :                             accum += (uint32_t)(hl_rate_control_histogram_ptr_temp->ois_distortion_histogram[i] * intra_sad_bits_array_ptr[i]);
    1787           0 :                         pred_bits_ref_qp = accum;
    1788           0 :                         num_of_full_sbs = hl_rate_control_histogram_ptr_temp->full_sb_count;
    1789             :                     }
    1790           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] += pred_bits_ref_qp;
    1791             :                 }
    1792             : 
    1793             :                 else {
    1794             :                     {
    1795             :                         unsigned i;
    1796           0 :                         uint32_t accum = 0;
    1797           0 :                         for (i = 0; i < NUMBER_OF_SAD_INTERVALS; ++i)
    1798           0 :                             accum += (uint32_t)(hl_rate_control_histogram_ptr_temp->me_distortion_histogram[i] * sad_bits_array_ptr[i]);
    1799           0 :                         pred_bits_ref_qp = accum;
    1800           0 :                         num_of_full_sbs = hl_rate_control_histogram_ptr_temp->full_sb_count;
    1801             :                     }
    1802           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] += pred_bits_ref_qp;
    1803             :                 }
    1804             : 
    1805             :                 // Scale for in complete
    1806             :                 //  pred_bits_ref_qp is normalized based on the area because of the LCUs at the picture boundries
    1807           0 :                 hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] * (uint64_t)area_in_pixel / (num_of_full_sbs << 12);
    1808             : 
    1809             :                 // Store the pred_bits_ref_qp for the first frame in the window to PCS
    1810           0 :                 picture_control_set_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    1811             :             }
    1812             :         }
    1813             :         else {
    1814             :             // Loop over the QPs and find the best QP
    1815           0 :             min_la_bit_distance = MAX_UNSIGNED_VALUE;
    1816           0 :             qp_search_min = (uint8_t)CLIP3(
    1817             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    1818             :                 MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
    1819             :                 (uint32_t)MAX((int32_t)sequence_control_set_ptr->qp - 40, 0));
    1820             : 
    1821           0 :             qp_search_max = (uint8_t)CLIP3(
    1822             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    1823             :                 MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
    1824             :                 sequence_control_set_ptr->qp + 40);
    1825             : 
    1826           0 :             for (ref_qp_table_index = qp_search_min; ref_qp_table_index < qp_search_max; ref_qp_table_index++)
    1827           0 :                 high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_table_index] = 0;
    1828           0 :             bit_constraint_per_sw = high_level_rate_control_ptr->bit_constraint_per_sw * picture_control_set_ptr->frames_in_sw / (sequence_control_set_ptr->static_config.look_ahead_distance + 1);
    1829             : 
    1830             :             // Update the target rate for the sliding window based on the status of RC
    1831           0 :             if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size * 10)))
    1832           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 130 / 100;
    1833           0 :             else if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 3)))
    1834           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 120 / 100;
    1835           0 :             else if ((context_ptr->extra_bits_gen > (int64_t)(context_ptr->virtual_buffer_size << 2)))
    1836           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 110 / 100;
    1837           0 :             if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 3)))
    1838           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 80 / 100;
    1839           0 :             else if ((context_ptr->extra_bits_gen < -(int64_t)(context_ptr->virtual_buffer_size << 2)))
    1840           0 :                 bit_constraint_per_sw = bit_constraint_per_sw * 90 / 100;
    1841             :             // Loop over proper QPs and find the Predicted bits for that QP. Find the QP with the closest total predicted rate to target bits for the sliding window.
    1842           0 :             previous_selected_ref_qp = CLIP3(
    1843             :                 qp_search_min + 1,
    1844             :                 qp_search_max - 1,
    1845             :                 previous_selected_ref_qp);
    1846           0 :             ref_qp_table_index = previous_selected_ref_qp;
    1847           0 :             ref_qp_index = ref_qp_table_index;
    1848           0 :             selected_ref_qp_table_index = ref_qp_table_index;
    1849           0 :             selected_ref_qp = selected_ref_qp_table_index;
    1850           0 :             if (sequence_control_set_ptr->intra_period_length != -1 && picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0 &&
    1851           0 :                 (int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length) {
    1852           0 :                 best_qp_found = EB_FALSE;
    1853           0 :                 while (ref_qp_table_index >= qp_search_min && ref_qp_table_index <= qp_search_max && !best_qp_found) {
    1854           0 :                     ref_qp_index = CLIP3(
    1855             :                         sequence_control_set_ptr->static_config.min_qp_allowed,
    1856             :                         MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
    1857             :                         ref_qp_table_index);
    1858           0 :                     high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] = 0;
    1859             : 
    1860             :                     // Finding the predicted bits for each frame in the sliding window at the reference Qp(s)
    1861           0 :                     queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    1862           0 :                     queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    1863           0 :                     queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
    1864           0 :                         queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    1865             :                         (queue_entry_index_head_temp < 0) ?
    1866           0 :                         queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    1867             :                         queue_entry_index_head_temp;
    1868             : 
    1869           0 :                     queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
    1870             :                     // This is set to false, so the last frame would go inside the loop
    1871           0 :                     end_of_sequence_flag = EB_FALSE;
    1872             : 
    1873           0 :                     while (!end_of_sequence_flag &&
    1874           0 :                         queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->static_config.look_ahead_distance) {
    1875           0 :                         queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
    1876           0 :                         hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
    1877             : 
    1878           0 :                         if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
    1879           0 :                             ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[ref_qp_index];
    1880             :                         else
    1881           0 :                             ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][ref_qp_index];
    1882             : 
    1883           0 :                         ref_qp_index_temp = (uint32_t)CLIP3(
    1884             :                             sequence_control_set_ptr->static_config.min_qp_allowed,
    1885             :                             sequence_control_set_ptr->static_config.max_qp_allowed,
    1886             :                             ref_qp_index_temp);
    1887             : 
    1888           0 :                         hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = 0;
    1889             : 
    1890           0 :                         if (ref_qp_table_index == previous_selected_ref_qp) {
    1891           0 :                             eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    1892           0 :                             hl_rate_control_histogram_ptr_temp->life_count--;
    1893           0 :                             eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    1894             :                         }
    1895           0 :                         hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = predict_bits(
    1896             :                             encode_context_ptr,
    1897             :                             hl_rate_control_histogram_ptr_temp,
    1898             :                             ref_qp_index_temp,
    1899             :                             area_in_pixel);
    1900             : 
    1901           0 :                         high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    1902             :                         // Store the pred_bits_ref_qp for the first frame in the window to PCS
    1903           0 :                         if (queue_entry_index_head_temp == queue_entry_index_temp2)
    1904           0 :                             picture_control_set_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    1905             : 
    1906           0 :                         end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
    1907           0 :                         queue_entry_index_temp++;
    1908             :                     }
    1909             : 
    1910           0 :                     if (min_la_bit_distance >= (uint64_t)ABS((int64_t)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - (int64_t)bit_constraint_per_sw)) {
    1911           0 :                         min_la_bit_distance = (uint64_t)ABS((int64_t)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - (int64_t)bit_constraint_per_sw);
    1912           0 :                         selected_ref_qp_table_index = ref_qp_table_index;
    1913           0 :                         selected_ref_qp = ref_qp_index;
    1914             :                     }
    1915             :                     else
    1916           0 :                         best_qp_found = EB_TRUE;
    1917           0 :                     if (ref_qp_table_index == previous_selected_ref_qp) {
    1918           0 :                         if (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] > bit_constraint_per_sw)
    1919           0 :                             qp_step = +1;
    1920             :                         else
    1921           0 :                             qp_step = -1;
    1922             :                     }
    1923           0 :                     ref_qp_table_index = (uint32_t)(ref_qp_table_index + qp_step);
    1924             :                 }
    1925             : 
    1926           0 :                 if (ref_qp_index == sequence_control_set_ptr->static_config.max_qp_allowed && high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] > bit_constraint_per_sw) {
    1927           0 :                     delta_qp = (int)((high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - bit_constraint_per_sw) * 100 / (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index - 1] - high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index]));
    1928           0 :                     delta_qp = (delta_qp + 50) / 100;
    1929             :                 }
    1930             :             }
    1931             :         }
    1932             : #if RC_UPDATE_TARGET_RATE
    1933           0 :         selected_org_ref_qp = selected_ref_qp;
    1934           0 :         if (sequence_control_set_ptr->intra_period_length != -1 && picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0 &&
    1935           0 :             (int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length) {
    1936           0 :             if (picture_control_set_ptr->picture_number > 0)
    1937           0 :                 picture_control_set_ptr->intra_selected_org_qp = (uint8_t)selected_ref_qp;
    1938           0 :             ref_qp_index = selected_ref_qp;
    1939           0 :             high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] = 0;
    1940             : 
    1941           0 :             if (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] == 0) {
    1942             :                 // Finding the predicted bits for each frame in the sliding window at the reference Qp(s)
    1943             :                 //queue_entry_index_temp = encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    1944           0 :                 queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    1945           0 :                 queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    1946           0 :                 queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
    1947           0 :                     queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    1948             :                     (queue_entry_index_head_temp < 0) ?
    1949           0 :                     queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    1950             :                     queue_entry_index_head_temp;
    1951             : 
    1952           0 :                 queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
    1953             : 
    1954             :                 // This is set to false, so the last frame would go inside the loop
    1955           0 :                 end_of_sequence_flag = EB_FALSE;
    1956             : 
    1957           0 :                 while (!end_of_sequence_flag &&
    1958             :                     //queue_entry_index_temp <= encode_context_ptr->hl_rate_control_historgram_queue_head_index+sequence_control_set_ptr->static_config.look_ahead_distance){
    1959           0 :                     queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->static_config.look_ahead_distance) {
    1960           0 :                     queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
    1961           0 :                     hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
    1962             : 
    1963           0 :                     if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
    1964           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[ref_qp_index];
    1965             :                     else
    1966           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][ref_qp_index];
    1967             : 
    1968           0 :                     ref_qp_index_temp = (uint32_t)CLIP3(
    1969             :                         sequence_control_set_ptr->static_config.min_qp_allowed,
    1970             :                         sequence_control_set_ptr->static_config.max_qp_allowed,
    1971             :                         ref_qp_index_temp);
    1972             : 
    1973           0 :                     hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = predict_bits(
    1974             :                         encode_context_ptr,
    1975             :                         hl_rate_control_histogram_ptr_temp,
    1976             :                         ref_qp_index_temp,
    1977             :                         area_in_pixel);
    1978             : 
    1979           0 :                     high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    1980             :                     // Store the pred_bits_ref_qp for the first frame in the window to PCS
    1981             :                     //  if(encode_context_ptr->hl_rate_control_historgram_queue_head_index == queue_entry_index_temp2)
    1982           0 :                     if (queue_entry_index_head_temp == queue_entry_index_temp2)
    1983           0 :                         picture_control_set_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    1984             : 
    1985           0 :                     end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
    1986           0 :                     queue_entry_index_temp++;
    1987             :                 }
    1988             :             }
    1989             :         }
    1990             : #endif
    1991           0 :         picture_control_set_ptr->tables_updated = tables_updated;
    1992             : 
    1993             :         // Looping over the window to find the percentage of bit allocation in each layer
    1994           0 :         if ((sequence_control_set_ptr->intra_period_length != -1) &&
    1995           0 :             ((int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length) &&
    1996           0 :             ((int32_t)picture_control_set_ptr->frames_in_sw > sequence_control_set_ptr->intra_period_length)) {
    1997           0 :             if (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0) {
    1998           0 :                 queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    1999           0 :                 queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    2000           0 :                 queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
    2001           0 :                     queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    2002             :                     (queue_entry_index_head_temp < 0) ?
    2003           0 :                     queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    2004             :                     queue_entry_index_head_temp;
    2005             : 
    2006           0 :                 queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
    2007             : 
    2008             :                 // This is set to false, so the last frame would go inside the loop
    2009           0 :                 end_of_sequence_flag = EB_FALSE;
    2010             : 
    2011           0 :                 while (!end_of_sequence_flag &&
    2012           0 :                     queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->intra_period_length) {
    2013           0 :                     queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
    2014           0 :                     hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
    2015             : 
    2016           0 :                     if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
    2017           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
    2018             :                     else
    2019           0 :                         ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][selected_ref_qp];
    2020             : 
    2021           0 :                     ref_qp_index_temp = (uint32_t)CLIP3(
    2022             :                         sequence_control_set_ptr->static_config.min_qp_allowed,
    2023             :                         sequence_control_set_ptr->static_config.max_qp_allowed,
    2024             :                         ref_qp_index_temp);
    2025             : 
    2026           0 :                     picture_control_set_ptr->total_bits_per_gop += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    2027           0 :                     picture_control_set_ptr->bits_per_sw_per_layer[hl_rate_control_histogram_ptr_temp->temporal_layer_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    2028           0 :                     picture_control_set_ptr->percentage_updated = EB_TRUE;
    2029             : 
    2030           0 :                     end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
    2031           0 :                     queue_entry_index_temp++;
    2032             :                 }
    2033           0 :                 if (picture_control_set_ptr->total_bits_per_gop == 0) {
    2034           0 :                     for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++)
    2035           0 :                         picture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_index] = rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][temporal_layer_index];
    2036             :                 }
    2037             :             }
    2038             :         }
    2039             :         else {
    2040           0 :             for (temporal_layer_index = 0; temporal_layer_index < EB_MAX_TEMPORAL_LAYERS; temporal_layer_index++)
    2041           0 :                 picture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_index] = rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][temporal_layer_index];
    2042             :         }
    2043             : 
    2044             :         // Set the QP
    2045           0 :         previous_selected_ref_qp = selected_ref_qp;
    2046           0 :         if (picture_control_set_ptr->picture_number > max_coded_poc && picture_control_set_ptr->temporal_layer_index < 2 && !picture_control_set_ptr->end_of_sequence_region) {
    2047           0 :             max_coded_poc = picture_control_set_ptr->picture_number;
    2048           0 :             max_coded_poc_selected_ref_qp = previous_selected_ref_qp;
    2049           0 :             encode_context_ptr->previous_selected_ref_qp = previous_selected_ref_qp;
    2050           0 :             encode_context_ptr->max_coded_poc = max_coded_poc;
    2051           0 :             encode_context_ptr->max_coded_poc_selected_ref_qp = max_coded_poc_selected_ref_qp;
    2052             :         }
    2053             : 
    2054           0 :         if (picture_control_set_ptr->slice_type == I_SLICE)
    2055           0 :             picture_control_set_ptr->best_pred_qp = (uint8_t)context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
    2056             :         else
    2057           0 :             picture_control_set_ptr->best_pred_qp = (uint8_t)context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][selected_ref_qp];
    2058             : 
    2059           0 :         picture_control_set_ptr->target_bits_best_pred_qp = picture_control_set_ptr->pred_bits_ref_qp[picture_control_set_ptr->best_pred_qp];
    2060           0 :         picture_control_set_ptr->best_pred_qp = (uint8_t)CLIP3(
    2061             :             sequence_control_set_ptr->static_config.min_qp_allowed,
    2062             :             sequence_control_set_ptr->static_config.max_qp_allowed,
    2063             :             (uint8_t)((int)picture_control_set_ptr->best_pred_qp + delta_qp));
    2064             : 
    2065             : #if RC_UPDATE_TARGET_RATE
    2066           0 :         if (picture_control_set_ptr->picture_number == 0) {
    2067           0 :             high_level_rate_control_ptr->prev_intra_selected_ref_qp = selected_ref_qp;
    2068           0 :             high_level_rate_control_ptr->prev_intra_org_selected_ref_qp = selected_ref_qp;
    2069             :         }
    2070           0 :         if (sequence_control_set_ptr->intra_period_length != -1) {
    2071           0 :             if (picture_control_set_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0) {
    2072           0 :                 high_level_rate_control_ptr->prev_intra_selected_ref_qp = selected_ref_qp;
    2073           0 :                 high_level_rate_control_ptr->prev_intra_org_selected_ref_qp = selected_org_ref_qp;
    2074             :             }
    2075             :         }
    2076             : #endif
    2077             : #if RC_PRINTS
    2078             :         ////if (picture_control_set_ptr->slice_type == 2)
    2079             :         {
    2080             :             SVT_LOG("\nTID: %d\t", picture_control_set_ptr->temporal_layer_index);
    2081             :             SVT_LOG("%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t\n",
    2082             :                 picture_control_set_ptr->picture_number,
    2083             :                 picture_control_set_ptr->best_pred_qp,
    2084             :                 selected_ref_qp,
    2085             :                 (int)picture_control_set_ptr->target_bits_best_pred_qp,
    2086             :                 (int)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[selected_ref_qp - 1],
    2087             :                 (int)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[selected_ref_qp],
    2088             :                 (int)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[selected_ref_qp + 1],
    2089             :                 (int)high_level_rate_control_ptr->bit_constraint_per_sw,
    2090             :                 (int)bit_constraint_per_sw/*,
    2091             :                 (int)high_level_rate_control_ptr->virtual_buffer_level*/);
    2092             :         }
    2093             : #endif
    2094             :     }
    2095           0 :     eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->rate_table_update_mutex);
    2096           0 : }
    2097           0 : void frame_level_rc_input_picture_cvbr(
    2098             :     PictureControlSet               *picture_control_set_ptr,
    2099             :     SequenceControlSet              *sequence_control_set_ptr,
    2100             :     RateControlContext              *context_ptr,
    2101             :     RateControlLayerContext         *rate_control_layer_ptr,
    2102             :     RateControlIntervalParamContext *rate_control_param_ptr)
    2103             : {
    2104             :     RateControlLayerContext *rate_control_layer_temp_ptr;
    2105             : 
    2106             :     // Tiles
    2107             :     uint32_t                 picture_area_in_pixel;
    2108             :     uint32_t                 area_in_pixel;
    2109             : 
    2110             :     // LCU Loop variables
    2111             :     SbParams               *sb_params_ptr;
    2112             :     uint32_t                 sb_index;
    2113             :     uint64_t                 temp_qp;
    2114             :     uint32_t                 area_in_sbs;
    2115             : 
    2116           0 :     picture_area_in_pixel = sequence_control_set_ptr->seq_header.max_frame_height*sequence_control_set_ptr->seq_header.max_frame_width;
    2117             : 
    2118           0 :     if (rate_control_layer_ptr->first_frame == 1) {
    2119           0 :         rate_control_layer_ptr->first_frame = 0;
    2120           0 :         picture_control_set_ptr->parent_pcs_ptr->first_frame_in_temporal_layer = 1;
    2121             :     }
    2122             :     else
    2123           0 :         picture_control_set_ptr->parent_pcs_ptr->first_frame_in_temporal_layer = 0;
    2124           0 :     if (picture_control_set_ptr->slice_type != I_SLICE) {
    2125           0 :         if (rate_control_layer_ptr->first_non_intra_frame == 1) {
    2126           0 :             rate_control_layer_ptr->first_non_intra_frame = 0;
    2127           0 :             picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer = 1;
    2128             :         }
    2129             :         else
    2130           0 :             picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer = 0;
    2131             :     }
    2132             :     else
    2133           0 :         picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer = 0;
    2134             : 
    2135           0 :     picture_control_set_ptr->parent_pcs_ptr->target_bits_rc = 0;
    2136             : 
    2137             :     // ***Rate Control***
    2138           0 :     area_in_sbs = 0;
    2139           0 :     area_in_pixel = 0;
    2140             : 
    2141           0 :     for (sb_index = 0; sb_index < picture_control_set_ptr->sb_total_count; ++sb_index) {
    2142           0 :         sb_params_ptr = &sequence_control_set_ptr->sb_params_array[sb_index];
    2143             : 
    2144           0 :         if (sb_params_ptr->is_complete_sb) {
    2145             :             // add the area of one LCU (64x64=4096) to the area of the tile
    2146           0 :             area_in_pixel += 4096;
    2147           0 :             area_in_sbs++;
    2148             :         }
    2149             :         else {
    2150             :             // add the area of the LCU to the area of the tile
    2151           0 :             area_in_pixel += sb_params_ptr->width * sb_params_ptr->height;
    2152             :         }
    2153             :     }
    2154           0 :     rate_control_layer_ptr->area_in_pixel = area_in_pixel;
    2155             : 
    2156           0 :     if (picture_control_set_ptr->parent_pcs_ptr->first_frame_in_temporal_layer || (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc)) {
    2157           0 :         if (sequence_control_set_ptr->static_config.enable_qp_scaling_flag && (picture_control_set_ptr->picture_number != rate_control_param_ptr->first_poc)) {
    2158           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2159             :                 (int32_t)sequence_control_set_ptr->static_config.min_qp_allowed,
    2160             :                 (int32_t)sequence_control_set_ptr->static_config.max_qp_allowed,
    2161             :                 (int32_t)(rate_control_param_ptr->intra_frames_qp + context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][rate_control_param_ptr->intra_frames_qp_bef_scal] - context_ptr->qp_scaling_map_I_SLICE[rate_control_param_ptr->intra_frames_qp_bef_scal]));
    2162             :         }
    2163             : 
    2164           0 :         if (picture_control_set_ptr->picture_number == 0) {
    2165           0 :             rate_control_param_ptr->intra_frames_qp = sequence_control_set_ptr->qp;
    2166           0 :             rate_control_param_ptr->intra_frames_qp_bef_scal = (uint8_t)sequence_control_set_ptr->qp;
    2167             :         }
    2168             : 
    2169           0 :         if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    2170             :             uint32_t temporal_layer_idex;
    2171           0 :             rate_control_param_ptr->previous_virtual_buffer_level = context_ptr->virtual_buffer_level_initial_value;
    2172           0 :             rate_control_param_ptr->virtual_buffer_level = context_ptr->virtual_buffer_level_initial_value;
    2173           0 :             rate_control_param_ptr->extra_ap_bit_ratio_i = 0;
    2174           0 :             if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    2175           0 :                 rate_control_param_ptr->last_poc = MAX(rate_control_param_ptr->first_poc + picture_control_set_ptr->parent_pcs_ptr->frames_in_sw - 1, rate_control_param_ptr->first_poc);
    2176           0 :                 rate_control_param_ptr->last_gop = EB_TRUE;
    2177             :             }
    2178             : 
    2179           0 :             for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++) {
    2180           0 :                 rate_control_layer_temp_ptr = rate_control_param_ptr->rate_control_layer_array[temporal_layer_idex];
    2181           0 :                 rate_control_layer_reset(
    2182             :                     rate_control_layer_temp_ptr,
    2183             :                     picture_control_set_ptr,
    2184             :                     context_ptr,
    2185             :                     picture_area_in_pixel,
    2186           0 :                     rate_control_param_ptr->was_used);
    2187             :             }
    2188             :         }
    2189             : 
    2190           0 :         picture_control_set_ptr->parent_pcs_ptr->sad_me = 0;
    2191             :         // Finding the QP of the Intra frame by using variance tables
    2192           0 :         if (picture_control_set_ptr->slice_type == I_SLICE) {
    2193             :             uint32_t         selected_ref_qp;
    2194             : 
    2195           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance == 0)
    2196           0 :                 printf("ERROR: LAD=0 is not supported\n");
    2197             :             else {
    2198           0 :                 selected_ref_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    2199           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)selected_ref_qp;
    2200           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = picture_control_set_ptr->picture_qp;
    2201             :             }
    2202             : 
    2203           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2204             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    2205             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
    2206             :                 picture_control_set_ptr->picture_qp);
    2207             :         }
    2208             :         else {
    2209             :             // LCU Loop
    2210           0 :             for (sb_index = 0; sb_index < picture_control_set_ptr->sb_total_count; ++sb_index) {
    2211           0 :                 sb_params_ptr = &sequence_control_set_ptr->sb_params_array[sb_index];
    2212             : 
    2213           0 :                 if (sb_params_ptr->is_complete_sb)
    2214           0 :                     picture_control_set_ptr->parent_pcs_ptr->sad_me += picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[sb_index];
    2215             :             }
    2216             : 
    2217             :             //  tileSadMe is normalized based on the area because of the LCUs at the tile boundries
    2218           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me = MAX((picture_control_set_ptr->parent_pcs_ptr->sad_me*rate_control_layer_ptr->area_in_pixel / (area_in_sbs << 12)), 1);
    2219             : 
    2220             :             // totalSquareMad has RC_PRECISION precision
    2221           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me <<= RC_PRECISION;
    2222             :         }
    2223             : 
    2224           0 :         temp_qp = picture_control_set_ptr->picture_qp;
    2225             : 
    2226           0 :         if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    2227             :             uint32_t temporal_layer_idex;
    2228           0 :             for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++) {
    2229           0 :                 rate_control_layer_temp_ptr = rate_control_param_ptr->rate_control_layer_array[temporal_layer_idex];
    2230           0 :                 rate_control_layer_reset_part2(
    2231             :                     context_ptr,
    2232             :                     rate_control_layer_temp_ptr,
    2233             :                     picture_control_set_ptr);
    2234             :             }
    2235             :         }
    2236             : 
    2237           0 :         if (picture_control_set_ptr->picture_number == 0) {
    2238           0 :             context_ptr->base_layer_frames_avg_qp = picture_control_set_ptr->picture_qp + 1;
    2239           0 :             context_ptr->base_layer_intra_frames_avg_qp = picture_control_set_ptr->picture_qp;
    2240             :         }
    2241             :     }
    2242             :     else {
    2243           0 :         picture_control_set_ptr->parent_pcs_ptr->sad_me = 0;
    2244             : 
    2245           0 :         HighLevelRateControlContext *high_level_rate_control_ptr = context_ptr->high_level_rate_control_ptr;
    2246           0 :         EncodeContext               *encode_context_ptr = sequence_control_set_ptr->encode_context_ptr;
    2247             :         HlRateControlHistogramEntry *hl_rate_control_histogram_ptr_temp;
    2248             :         // Queue variables
    2249             :         uint32_t                     queue_entry_index_temp;
    2250             :         uint32_t                     queue_entry_index_temp2;
    2251             :         int64_t                     queue_entry_index_head_temp;
    2252             : 
    2253             :         uint64_t                     min_la_bit_distance;
    2254             :         uint32_t                     selected_ref_qp_table_index;
    2255             :         uint32_t                     selected_ref_qp;
    2256           0 :         uint32_t                     previous_selected_ref_qp = encode_context_ptr->previous_selected_ref_qp;
    2257             : 
    2258             :         uint32_t                     ref_qp_index;
    2259             :         uint32_t                     ref_qp_index_temp;
    2260             :         uint32_t                     ref_qp_table_index;
    2261             : 
    2262             :         uint32_t                     qp_search_min;
    2263             :         uint32_t                     qp_search_max;
    2264           0 :         int32_t                      qp_step = 1;
    2265             :         EbBool                      best_qp_found;
    2266             : 
    2267           0 :         uint64_t                     bit_constraint_per_sw = 0;
    2268           0 :         EbBool                      end_of_sequence_flag = EB_TRUE;
    2269             : 
    2270             :         // Loop over the QPs and find the best QP
    2271           0 :         min_la_bit_distance = MAX_UNSIGNED_VALUE;
    2272           0 :         qp_search_min = (uint8_t)CLIP3(
    2273             :             sequence_control_set_ptr->static_config.min_qp_allowed,
    2274             :             MAX_REF_QP_NUM,//sequence_control_set_ptr->static_config.max_qp_allowed,
    2275             :             (uint32_t)MAX((int32_t)sequence_control_set_ptr->qp - 40, 0));
    2276             : 
    2277           0 :         qp_search_max = (uint8_t)CLIP3(
    2278             :             sequence_control_set_ptr->static_config.min_qp_allowed,
    2279             :             MAX_REF_QP_NUM,
    2280             :             sequence_control_set_ptr->qp + 40);
    2281             : 
    2282           0 :         for (ref_qp_table_index = qp_search_min; ref_qp_table_index < qp_search_max; ref_qp_table_index++)
    2283           0 :             high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_table_index] = 0;
    2284             :         // Finding the predicted bits for each frame in the sliding window at the reference Qp(s)
    2285             :         ///queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    2286           0 :         queue_entry_index_head_temp = (int32_t)(rate_control_param_ptr->first_poc - encode_context_ptr->hl_rate_control_historgram_queue[encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    2287           0 :         queue_entry_index_head_temp += encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    2288           0 :         queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
    2289           0 :             queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    2290             :             (queue_entry_index_head_temp < 0) ?
    2291           0 :             queue_entry_index_head_temp + HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    2292             :             queue_entry_index_head_temp;
    2293             : 
    2294           0 :         if (picture_control_set_ptr->parent_pcs_ptr->picture_number + picture_control_set_ptr->parent_pcs_ptr->frames_in_sw > rate_control_param_ptr->first_poc + sequence_control_set_ptr->static_config.intra_period_length + 1)
    2295           0 :             bit_constraint_per_sw = high_level_rate_control_ptr->bit_constraint_per_sw;
    2296             :         else
    2297           0 :             bit_constraint_per_sw = high_level_rate_control_ptr->bit_constraint_per_sw * encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_head_temp]->frames_in_sw / (sequence_control_set_ptr->static_config.look_ahead_distance + 1);
    2298             : 
    2299             :         // Loop over proper QPs and find the Predicted bits for that QP. Find the QP with the closest total predicted rate to target bits for the sliding window.
    2300           0 :         previous_selected_ref_qp = CLIP3(
    2301             :             qp_search_min + 1,
    2302             :             qp_search_max - 1,
    2303             :             previous_selected_ref_qp);
    2304           0 :         ref_qp_table_index = previous_selected_ref_qp;
    2305           0 :         ref_qp_index = ref_qp_table_index;
    2306           0 :         selected_ref_qp_table_index = ref_qp_table_index;
    2307           0 :         selected_ref_qp = selected_ref_qp_table_index;
    2308           0 :         best_qp_found = EB_FALSE;
    2309           0 :         while (ref_qp_table_index >= qp_search_min && ref_qp_table_index <= qp_search_max && !best_qp_found) {
    2310           0 :             ref_qp_index = CLIP3(
    2311             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    2312             :                 MAX_REF_QP_NUM,
    2313             :                 ref_qp_table_index);
    2314           0 :             high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] = 0;
    2315             : 
    2316           0 :             queue_entry_index_temp = (uint32_t) queue_entry_index_head_temp;
    2317             :             // This is set to false, so the last frame would go inside the loop
    2318           0 :             end_of_sequence_flag = EB_FALSE;
    2319             : 
    2320           0 :             while (!end_of_sequence_flag &&
    2321             :                 //queue_entry_index_temp <= queue_entry_index_head_temp + sequence_control_set_ptr->static_config.look_ahead_distance) {
    2322           0 :                 queue_entry_index_temp <= queue_entry_index_head_temp + encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_head_temp]->frames_in_sw - 1) {
    2323           0 :                 queue_entry_index_temp2 = (queue_entry_index_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH : queue_entry_index_temp;
    2324           0 :                 hl_rate_control_histogram_ptr_temp = (encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_temp2]);
    2325             : 
    2326           0 :                 if (hl_rate_control_histogram_ptr_temp->slice_type == I_SLICE)
    2327           0 :                     ref_qp_index_temp = context_ptr->qp_scaling_map_I_SLICE[ref_qp_index];
    2328             :                 else
    2329           0 :                     ref_qp_index_temp = context_ptr->qp_scaling_map[hl_rate_control_histogram_ptr_temp->temporal_layer_index][ref_qp_index];
    2330             : 
    2331           0 :                 ref_qp_index_temp = (uint32_t)CLIP3(
    2332             :                     sequence_control_set_ptr->static_config.min_qp_allowed,
    2333             :                     sequence_control_set_ptr->static_config.max_qp_allowed,
    2334             :                     ref_qp_index_temp);
    2335             : 
    2336           0 :                 hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = 0;
    2337             : 
    2338           0 :                 if (ref_qp_table_index == previous_selected_ref_qp) {
    2339           0 :                     eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    2340           0 :                     hl_rate_control_histogram_ptr_temp->life_count--;
    2341           0 :                     eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    2342             :                 }
    2343             : 
    2344           0 :                 hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp] = predict_bits(
    2345             :                     encode_context_ptr,
    2346             :                     hl_rate_control_histogram_ptr_temp,
    2347             :                     ref_qp_index_temp,
    2348             :                     area_in_pixel);
    2349             : 
    2350           0 :                 high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] += hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    2351             :                 // Store the pred_bits_ref_qp for the first frame in the window to PCS
    2352           0 :                 if (queue_entry_index_head_temp == queue_entry_index_temp2)
    2353           0 :                     picture_control_set_ptr->parent_pcs_ptr->pred_bits_ref_qp[ref_qp_index_temp] = hl_rate_control_histogram_ptr_temp->pred_bits_ref_qp[ref_qp_index_temp];
    2354             : 
    2355           0 :                 end_of_sequence_flag = hl_rate_control_histogram_ptr_temp->end_of_sequence_flag;
    2356           0 :                 queue_entry_index_temp++;
    2357             :             }
    2358             : 
    2359           0 :             if (min_la_bit_distance >= (uint64_t)ABS((int64_t)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - (int64_t)bit_constraint_per_sw)) {
    2360           0 :                 min_la_bit_distance = (uint64_t)ABS((int64_t)high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - (int64_t)bit_constraint_per_sw);
    2361           0 :                 selected_ref_qp_table_index = ref_qp_table_index;
    2362           0 :                 selected_ref_qp = ref_qp_index;
    2363             :             }
    2364             :             else
    2365           0 :                 best_qp_found = EB_TRUE;
    2366           0 :             if (ref_qp_table_index == previous_selected_ref_qp) {
    2367           0 :                 if (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] > bit_constraint_per_sw)
    2368           0 :                     qp_step = +1;
    2369             :                 else
    2370           0 :                     qp_step = -1;
    2371             :             }
    2372           0 :             ref_qp_table_index = (uint32_t)(ref_qp_table_index + qp_step);
    2373             :         }
    2374             : 
    2375           0 :         int delta_qp = 0;
    2376           0 :         if (ref_qp_index == sequence_control_set_ptr->static_config.max_qp_allowed && high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] > bit_constraint_per_sw) {
    2377           0 :             delta_qp = (int)((high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index] - bit_constraint_per_sw) * 100 / (high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index - 1] - high_level_rate_control_ptr->pred_bits_ref_qpPerSw[ref_qp_index]));
    2378           0 :             delta_qp = (delta_qp + 50) / 100;
    2379             :         }
    2380             : 
    2381           0 :         if (picture_control_set_ptr->slice_type == I_SLICE)
    2382           0 :             picture_control_set_ptr->parent_pcs_ptr->best_pred_qp = (uint8_t)context_ptr->qp_scaling_map_I_SLICE[selected_ref_qp];
    2383             :         else
    2384           0 :             picture_control_set_ptr->parent_pcs_ptr->best_pred_qp = (uint8_t)context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][selected_ref_qp];
    2385             : 
    2386           0 :         picture_control_set_ptr->parent_pcs_ptr->best_pred_qp = (uint8_t)CLIP3(
    2387             :             sequence_control_set_ptr->static_config.min_qp_allowed,
    2388             :             sequence_control_set_ptr->static_config.max_qp_allowed,
    2389             :             (uint8_t)((int)picture_control_set_ptr->parent_pcs_ptr->best_pred_qp + delta_qp));
    2390             : 
    2391             :         // if the pixture is an I slice, for now we set the QP as the QP of the previous frame
    2392           0 :         if (picture_control_set_ptr->slice_type == I_SLICE) {
    2393             :             uint32_t         selected_ref_qp;
    2394             : 
    2395           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance == 0)
    2396           0 :                 printf("ERROR: LAD=0 is not supported\n");
    2397             :             else {
    2398           0 :                 selected_ref_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    2399           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)selected_ref_qp;
    2400           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = picture_control_set_ptr->picture_qp;
    2401             :             }
    2402             : 
    2403           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2404             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    2405             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
    2406             :                 picture_control_set_ptr->picture_qp);
    2407             : 
    2408           0 :             temp_qp = picture_control_set_ptr->picture_qp;
    2409             :         }
    2410             : 
    2411             :         else { // Not an I slice
    2412             :             // combining the target rate from initial RC and frame level RC
    2413           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    2414           0 :                 picture_control_set_ptr->parent_pcs_ptr->target_bits_rc = rate_control_layer_ptr->bit_constraint;
    2415           0 :                 rate_control_layer_ptr->ec_bit_constraint = (rate_control_layer_ptr->alpha * picture_control_set_ptr->parent_pcs_ptr->target_bits_best_pred_qp +
    2416           0 :                     ((1 << RC_PRECISION) - rate_control_layer_ptr->alpha) * picture_control_set_ptr->parent_pcs_ptr->target_bits_rc + RC_PRECISION_OFFSET) >> RC_PRECISION;
    2417             : 
    2418           0 :                 rate_control_layer_ptr->ec_bit_constraint = (uint64_t)MAX((int64_t)rate_control_layer_ptr->ec_bit_constraint - (int64_t)rate_control_layer_ptr->dif_total_and_ec_bits, 1);
    2419             : 
    2420           0 :                 picture_control_set_ptr->parent_pcs_ptr->target_bits_rc = rate_control_layer_ptr->ec_bit_constraint;
    2421             :             }
    2422             : 
    2423             :             // LCU Loop
    2424           0 :             for (sb_index = 0; sb_index < picture_control_set_ptr->sb_total_count; ++sb_index) {
    2425           0 :                 sb_params_ptr = &sequence_control_set_ptr->sb_params_array[sb_index];
    2426             : 
    2427           0 :                 if (sb_params_ptr->is_complete_sb)
    2428           0 :                     picture_control_set_ptr->parent_pcs_ptr->sad_me += picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[sb_index];
    2429             :             }
    2430             : 
    2431             :             //  tileSadMe is normalized based on the area because of the LCUs at the tile boundries
    2432           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me = MAX((picture_control_set_ptr->parent_pcs_ptr->sad_me*rate_control_layer_ptr->area_in_pixel / (area_in_sbs << 12)), 1);
    2433           0 :             picture_control_set_ptr->parent_pcs_ptr->sad_me <<= RC_PRECISION;
    2434           0 :             if (rate_control_layer_ptr->area_in_pixel > 0)
    2435           0 :                 rate_control_layer_ptr->total_mad = MAX((picture_control_set_ptr->parent_pcs_ptr->sad_me / rate_control_layer_ptr->area_in_pixel), 1);
    2436           0 :             if (!rate_control_layer_ptr->feedback_arrived)
    2437           0 :                 rate_control_layer_ptr->previous_frame_distortion_me = picture_control_set_ptr->parent_pcs_ptr->sad_me;
    2438             :             {
    2439             :                 uint64_t qp_calc_temp1, qp_calc_temp2, qp_calc_temp3;
    2440             : 
    2441           0 :                 qp_calc_temp1 = picture_control_set_ptr->parent_pcs_ptr->sad_me *rate_control_layer_ptr->total_mad;
    2442           0 :                 qp_calc_temp2 =
    2443           0 :                     MAX((int64_t)(rate_control_layer_ptr->ec_bit_constraint << (2 * RC_PRECISION)) - (int64_t)rate_control_layer_ptr->c_coeff*(int64_t)rate_control_layer_ptr->area_in_pixel,
    2444             :                     (int64_t)(rate_control_layer_ptr->ec_bit_constraint << (2 * RC_PRECISION - 2)));
    2445             : 
    2446             :                 // This is a more complex but with higher precision implementation
    2447           0 :                 if (qp_calc_temp1 > qp_calc_temp2)
    2448           0 :                     qp_calc_temp3 = (uint64_t)((qp_calc_temp1 / qp_calc_temp2)*rate_control_layer_ptr->k_coeff);
    2449             :                 else
    2450           0 :                     qp_calc_temp3 = (uint64_t)(qp_calc_temp1*rate_control_layer_ptr->k_coeff / qp_calc_temp2);
    2451           0 :                 temp_qp = (uint64_t)(log2f_high_precision(MAX(((qp_calc_temp3 + RC_PRECISION_OFFSET) >> RC_PRECISION)*((qp_calc_temp3 + RC_PRECISION_OFFSET) >> RC_PRECISION)*((qp_calc_temp3 + RC_PRECISION_OFFSET) >> RC_PRECISION), 1), RC_PRECISION));
    2452             : 
    2453           0 :                 rate_control_layer_ptr->calculated_frame_qp = (uint8_t)(CLIP3(1, 63, (uint32_t)(temp_qp + RC_PRECISION_OFFSET) >> RC_PRECISION));
    2454           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = (uint8_t)(CLIP3(1, 63, (uint32_t)(temp_qp + RC_PRECISION_OFFSET) >> RC_PRECISION));
    2455             :             }
    2456             : 
    2457           0 :             temp_qp += rate_control_layer_ptr->delta_qp_fraction;
    2458           0 :             picture_control_set_ptr->picture_qp = (uint8_t)((temp_qp + RC_PRECISION_OFFSET) >> RC_PRECISION);
    2459             :             // Use the QP of HLRC instead of calculated one in FLRC
    2460           0 :             if (picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels > 1) {
    2461           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    2462           0 :                 picture_control_set_ptr->parent_pcs_ptr->calculated_qp = picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    2463             :             }
    2464             :         }
    2465           0 :         if (picture_control_set_ptr->parent_pcs_ptr->first_non_intra_frame_in_temporal_layer && picture_control_set_ptr->temporal_layer_index == 0 && picture_control_set_ptr->slice_type != I_SLICE)
    2466           0 :             picture_control_set_ptr->picture_qp = (uint8_t)(rate_control_param_ptr->intra_frames_qp + context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][rate_control_param_ptr->intra_frames_qp_bef_scal] - context_ptr->qp_scaling_map_I_SLICE[rate_control_param_ptr->intra_frames_qp_bef_scal]);
    2467           0 :         if (!rate_control_layer_ptr->feedback_arrived && picture_control_set_ptr->slice_type != I_SLICE) {
    2468           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2469             :                 (int32_t)sequence_control_set_ptr->static_config.min_qp_allowed,
    2470             :                 (int32_t)sequence_control_set_ptr->static_config.max_qp_allowed,
    2471             :                 (int32_t)(rate_control_param_ptr->intra_frames_qp + context_ptr->qp_scaling_map[picture_control_set_ptr->temporal_layer_index][rate_control_param_ptr->intra_frames_qp_bef_scal] - context_ptr->qp_scaling_map_I_SLICE[rate_control_param_ptr->intra_frames_qp_bef_scal]));
    2472             :         }
    2473             : 
    2474           0 :         if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    2475           0 :             if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 2)
    2476           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 4;
    2477           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 1)
    2478           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 3;
    2479           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2)
    2480           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 2;
    2481           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold1 &&
    2482           0 :                 rate_control_param_ptr->virtual_buffer_level < context_ptr->vb_fill_threshold2) {
    2483           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD1QPINCREASE + 2;
    2484             :             }
    2485             :         }
    2486             :         else {
    2487             :             //if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 2){
    2488           0 :             if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 + (int64_t)(context_ptr->virtual_buffer_size * 2 / 3))
    2489           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 2;
    2490             :             //else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 << 1){
    2491           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2 + (int64_t)(context_ptr->virtual_buffer_size / 3))
    2492           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 1;
    2493           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold2)
    2494           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD2QPINCREASE + 1;
    2495           0 :             else if (rate_control_param_ptr->virtual_buffer_level > context_ptr->vb_fill_threshold1 &&
    2496           0 :                 rate_control_param_ptr->virtual_buffer_level < context_ptr->vb_fill_threshold2) {
    2497           0 :                 picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + (uint8_t)THRESHOLD1QPINCREASE;
    2498             :             }
    2499             :         }
    2500           0 :         if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    2501           0 :             if (rate_control_param_ptr->virtual_buffer_level < -(context_ptr->vb_fill_threshold2 << 2))
    2502           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - 2, 0);
    2503           0 :             else if (rate_control_param_ptr->virtual_buffer_level < -(context_ptr->vb_fill_threshold2 << 1))
    2504           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - 1, 0);
    2505           0 :             else if (rate_control_param_ptr->virtual_buffer_level < 0)
    2506           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE, 0);
    2507             :         }
    2508             :         else {
    2509           0 :             if (rate_control_param_ptr->virtual_buffer_level < -(context_ptr->vb_fill_threshold2 << 2))
    2510           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE - 1, 0);
    2511           0 :             else if (rate_control_param_ptr->virtual_buffer_level < -context_ptr->vb_fill_threshold2)
    2512           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)MAX((int32_t)picture_control_set_ptr->picture_qp - (int32_t)THRESHOLD2QPINCREASE, 0);
    2513             :         }
    2514             : 
    2515             :         uint32_t ref_qp;
    2516           0 :         if ((int32_t)picture_control_set_ptr->temporal_layer_index == 0 && picture_control_set_ptr->slice_type != I_SLICE) {
    2517           0 :             if (picture_control_set_ptr->ref_slice_type_array[0][0] == I_SLICE) {
    2518             :                 /*    picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2519             :                         (uint32_t)picture_control_set_ptr->ref_pic_qp_array[0],
    2520             :                         (uint32_t)picture_control_set_ptr->picture_qp,
    2521             :                         picture_control_set_ptr->picture_qp);*/
    2522             :             }
    2523             :             else {
    2524           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2525             :                     (uint32_t)MAX((int32_t)picture_control_set_ptr->ref_pic_qp_array[0][0] - 1, 0),
    2526             :                     (uint32_t)picture_control_set_ptr->ref_pic_qp_array[0][0] + 3,
    2527             :                     picture_control_set_ptr->picture_qp);
    2528             :             }
    2529             :         }
    2530             :         else {
    2531           0 :             ref_qp = 0;
    2532           0 :             if (picture_control_set_ptr->ref_slice_type_array[0][0] != I_SLICE)
    2533           0 :                 ref_qp = MAX(ref_qp, picture_control_set_ptr->ref_pic_qp_array[0][0]);
    2534           0 :             if ((picture_control_set_ptr->slice_type == B_SLICE) && (picture_control_set_ptr->ref_slice_type_array[1][0] != I_SLICE))
    2535           0 :                 ref_qp = MAX(ref_qp, picture_control_set_ptr->ref_pic_qp_array[1][0]);
    2536           0 :             if (ref_qp > 0) {
    2537           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2538             :                     (uint32_t)ref_qp - 1,
    2539             :                     picture_control_set_ptr->picture_qp,
    2540             :                     picture_control_set_ptr->picture_qp);
    2541             :             }
    2542             :         }
    2543             :         // limiting the QP between min Qp allowed and max Qp allowed
    2544           0 :         picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2545             :             sequence_control_set_ptr->static_config.min_qp_allowed,
    2546             :             sequence_control_set_ptr->static_config.max_qp_allowed,
    2547             :             picture_control_set_ptr->picture_qp);
    2548             : 
    2549           0 :         rate_control_layer_ptr->delta_qp_fraction = CLIP3(-RC_PRECISION_OFFSET, RC_PRECISION_OFFSET, -((int64_t)temp_qp - (int64_t)(picture_control_set_ptr->picture_qp << RC_PRECISION)));
    2550             : 
    2551           0 :         if (picture_control_set_ptr->parent_pcs_ptr->sad_me == rate_control_layer_ptr->previous_frame_distortion_me &&
    2552           0 :             (rate_control_layer_ptr->previous_frame_distortion_me != 0))
    2553           0 :             rate_control_layer_ptr->same_distortion_count++;
    2554             :         else
    2555           0 :             rate_control_layer_ptr->same_distortion_count = 0;
    2556             :     }
    2557             : 
    2558           0 :     rate_control_layer_ptr->previous_c_coeff = rate_control_layer_ptr->c_coeff;
    2559           0 :     rate_control_layer_ptr->previous_k_coeff = rate_control_layer_ptr->k_coeff;
    2560           0 :     rate_control_layer_ptr->previous_calculated_frame_qp = rate_control_layer_ptr->calculated_frame_qp;
    2561           0 : }
    2562             : 
    2563           0 : void frame_level_rc_feedback_picture_cvbr(
    2564             :     PictureParentControlSet *parentpicture_control_set_ptr,
    2565             :     SequenceControlSet      *sequence_control_set_ptr,
    2566             :     RateControlContext      *context_ptr)
    2567             : {
    2568             :     RateControlLayerContext             *rate_control_layer_temp_ptr;
    2569             :     RateControlIntervalParamContext     *rate_control_param_ptr;
    2570             :     RateControlLayerContext             *rate_control_layer_ptr;
    2571             :     // LCU Loop variables
    2572             :     uint32_t                       slice_num;
    2573             :     uint64_t                       previous_frame_bit_actual;
    2574             : 
    2575           0 :     if (sequence_control_set_ptr->intra_period_length == -1)
    2576           0 :         rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    2577             :     else {
    2578           0 :         uint32_t interval_index_temp = 0;
    2579           0 :         while ((!(parentpicture_control_set_ptr->picture_number >= context_ptr->rate_control_param_queue[interval_index_temp]->first_poc &&
    2580           0 :             parentpicture_control_set_ptr->picture_number <= context_ptr->rate_control_param_queue[interval_index_temp]->last_poc)) &&
    2581             :             (interval_index_temp < PARALLEL_GOP_MAX_NUMBER)) {
    2582           0 :             interval_index_temp++;
    2583             :         }
    2584           0 :         CHECK_REPORT_ERROR(
    2585             :             interval_index_temp != PARALLEL_GOP_MAX_NUMBER,
    2586             :             sequence_control_set_ptr->encode_context_ptr->app_callback_ptr,
    2587             :             EB_ENC_RC_ERROR2);
    2588           0 :         rate_control_param_ptr = context_ptr->rate_control_param_queue[interval_index_temp];
    2589             :     }
    2590             : 
    2591           0 :     rate_control_layer_ptr = rate_control_param_ptr->rate_control_layer_array[parentpicture_control_set_ptr->temporal_layer_index];
    2592             : 
    2593           0 :     rate_control_layer_ptr->max_qp = 0;
    2594             : 
    2595           0 :     rate_control_layer_ptr->feedback_arrived = EB_TRUE;
    2596           0 :     rate_control_layer_ptr->max_qp = MAX(rate_control_layer_ptr->max_qp, parentpicture_control_set_ptr->picture_qp);
    2597             : 
    2598           0 :     rate_control_layer_ptr->previous_frame_qp = parentpicture_control_set_ptr->picture_qp;
    2599           0 :     rate_control_layer_ptr->previous_frame_bit_actual = parentpicture_control_set_ptr->total_num_bits;
    2600           0 :     if (parentpicture_control_set_ptr->quantized_coeff_num_bits == 0)
    2601           0 :         parentpicture_control_set_ptr->quantized_coeff_num_bits = 1;
    2602           0 :     rate_control_layer_ptr->previous_framequantized_coeff_bit_actual = parentpicture_control_set_ptr->quantized_coeff_num_bits;
    2603             : 
    2604             :     // Setting Critical states for adjusting the averaging weights on C and K
    2605           0 :     if ((parentpicture_control_set_ptr->sad_me > (3 * rate_control_layer_ptr->previous_frame_distortion_me) >> 1) &&
    2606           0 :         (rate_control_layer_ptr->previous_frame_distortion_me != 0)) {
    2607           0 :         rate_control_layer_ptr->critical_states = 3;
    2608             :     }
    2609           0 :     else if (rate_control_layer_ptr->critical_states)
    2610           0 :         rate_control_layer_ptr->critical_states--;
    2611             :     else
    2612           0 :         rate_control_layer_ptr->critical_states = 0;
    2613           0 :     if (parentpicture_control_set_ptr->slice_type != I_SLICE) {
    2614             :         // Updating c_coeff
    2615           0 :         rate_control_layer_ptr->c_coeff = (((int64_t)rate_control_layer_ptr->previous_frame_bit_actual - (int64_t)rate_control_layer_ptr->previous_framequantized_coeff_bit_actual) << (2 * RC_PRECISION))
    2616           0 :             / rate_control_layer_ptr->area_in_pixel;
    2617           0 :         rate_control_layer_ptr->c_coeff = MAX(rate_control_layer_ptr->c_coeff, 1);
    2618             : 
    2619             :         // Updating k_coeff
    2620           0 :         if ((parentpicture_control_set_ptr->sad_me + RC_PRECISION_OFFSET) >> RC_PRECISION > 5) {
    2621             :             {
    2622             :                 uint64_t test1, test2, test3;
    2623           0 :                 test1 = rate_control_layer_ptr->previous_framequantized_coeff_bit_actual*(two_to_power_qp_over_three[parentpicture_control_set_ptr->picture_qp]);
    2624           0 :                 test2 = MAX(parentpicture_control_set_ptr->sad_me / rate_control_layer_ptr->area_in_pixel, 1);
    2625           0 :                 test3 = test1 * 65536 / test2 * 65536 / parentpicture_control_set_ptr->sad_me;
    2626             : 
    2627           0 :                 rate_control_layer_ptr->k_coeff = test3;
    2628             :             }
    2629             :         }
    2630             : 
    2631           0 :         if (rate_control_layer_ptr->critical_states) {
    2632           0 :             rate_control_layer_ptr->k_coeff = (8 * rate_control_layer_ptr->k_coeff + 8 * rate_control_layer_ptr->previous_k_coeff + 8) >> 4;
    2633           0 :             rate_control_layer_ptr->c_coeff = (8 * rate_control_layer_ptr->c_coeff + 8 * rate_control_layer_ptr->previous_c_coeff + 8) >> 4;
    2634             :         }
    2635             :         else {
    2636           0 :             rate_control_layer_ptr->k_coeff = (rate_control_layer_ptr->coeff_averaging_weight1*rate_control_layer_ptr->k_coeff + rate_control_layer_ptr->coeff_averaging_weight2*rate_control_layer_ptr->previous_k_coeff + 8) >> 4;
    2637           0 :             rate_control_layer_ptr->c_coeff = (rate_control_layer_ptr->coeff_averaging_weight1*rate_control_layer_ptr->c_coeff + rate_control_layer_ptr->coeff_averaging_weight2*rate_control_layer_ptr->previous_c_coeff + 8) >> 4;
    2638             :         }
    2639           0 :         rate_control_layer_ptr->k_coeff = MIN(rate_control_layer_ptr->k_coeff, rate_control_layer_ptr->previous_k_coeff * 4);
    2640           0 :         rate_control_layer_ptr->c_coeff = MIN(rate_control_layer_ptr->c_coeff, rate_control_layer_ptr->previous_c_coeff * 4);
    2641           0 :         if (parentpicture_control_set_ptr->slice_type != I_SLICE)
    2642           0 :             rate_control_layer_ptr->previous_frame_distortion_me = parentpicture_control_set_ptr->sad_me;
    2643             :         else
    2644           0 :             rate_control_layer_ptr->previous_frame_distortion_me = 0;
    2645             :     }
    2646             : 
    2647           0 :     if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    2648           0 :         if (parentpicture_control_set_ptr->slice_type == I_SLICE) {
    2649           0 :             if (parentpicture_control_set_ptr->total_num_bits < parentpicture_control_set_ptr->target_bits_best_pred_qp << 1)
    2650           0 :                 context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + parentpicture_control_set_ptr->picture_qp + 2) >> 2;
    2651           0 :             else if (parentpicture_control_set_ptr->total_num_bits > parentpicture_control_set_ptr->target_bits_best_pred_qp << 2)
    2652           0 :                 context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + parentpicture_control_set_ptr->picture_qp + 4 + 2) >> 2;
    2653           0 :             else if (parentpicture_control_set_ptr->total_num_bits > parentpicture_control_set_ptr->target_bits_best_pred_qp << 1)
    2654           0 :                 context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + parentpicture_control_set_ptr->picture_qp + 2 + 2) >> 2;
    2655             :         }
    2656             :     }
    2657             : 
    2658             :     {
    2659           0 :         uint64_t previous_frame_ec_bits = 0;
    2660           0 :         EbBool picture_min_qp_allowed = EB_TRUE;
    2661           0 :         rate_control_layer_ptr->previous_frame_average_qp = 0;
    2662           0 :         rate_control_layer_ptr->previous_frame_average_qp += rate_control_layer_ptr->previous_frame_qp;
    2663           0 :         previous_frame_ec_bits += rate_control_layer_ptr->previous_frame_bit_actual;
    2664           0 :         if (rate_control_layer_ptr->same_distortion_count == 0 ||
    2665           0 :             parentpicture_control_set_ptr->picture_qp != sequence_control_set_ptr->static_config.min_qp_allowed) {
    2666           0 :             picture_min_qp_allowed = EB_FALSE;
    2667             :         }
    2668           0 :         if (picture_min_qp_allowed)
    2669           0 :             rate_control_layer_ptr->frame_same_distortion_min_qp_count++;
    2670             :         else
    2671           0 :             rate_control_layer_ptr->frame_same_distortion_min_qp_count = 0;
    2672             : 
    2673           0 :         rate_control_layer_ptr->previous_ec_bits = previous_frame_ec_bits;
    2674           0 :         previous_frame_bit_actual = parentpicture_control_set_ptr->total_num_bits;
    2675           0 :         if (parentpicture_control_set_ptr->first_frame_in_temporal_layer)
    2676           0 :             rate_control_layer_ptr->dif_total_and_ec_bits = (previous_frame_bit_actual - previous_frame_ec_bits);
    2677             :         else
    2678           0 :             rate_control_layer_ptr->dif_total_and_ec_bits = ((previous_frame_bit_actual - previous_frame_ec_bits) + rate_control_layer_ptr->dif_total_and_ec_bits) >> 1;
    2679             :         // update bitrate of different layers in the interval based on the rate of the I frame
    2680           0 :         if (parentpicture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc &&
    2681           0 :             (parentpicture_control_set_ptr->slice_type == I_SLICE) &&
    2682           0 :             sequence_control_set_ptr->static_config.intra_period_length != -1) {
    2683             :             uint32_t temporal_layer_idex;
    2684             :             uint64_t target_bit_rate;
    2685             :             uint64_t channel_bit_rate;
    2686           0 :             uint64_t sum_bits_per_sw = 0;
    2687             : #if ADAPTIVE_PERCENTAGE
    2688           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    2689           0 :                 if (parentpicture_control_set_ptr->tables_updated && parentpicture_control_set_ptr->percentage_updated) {
    2690           0 :                     parentpicture_control_set_ptr->bits_per_sw_per_layer[0] =
    2691           0 :                         (uint64_t)MAX((int64_t)parentpicture_control_set_ptr->bits_per_sw_per_layer[0] + (int64_t)parentpicture_control_set_ptr->total_num_bits - (int64_t)parentpicture_control_set_ptr->target_bits_best_pred_qp, 1);
    2692             :                 }
    2693             :             }
    2694             : #endif
    2695             : 
    2696           0 :             if (sequence_control_set_ptr->static_config.look_ahead_distance != 0 && sequence_control_set_ptr->intra_period_length != -1) {
    2697           0 :                 for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++)
    2698           0 :                     sum_bits_per_sw += parentpicture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_idex];
    2699             :             }
    2700             : 
    2701           0 :             for (temporal_layer_idex = 0; temporal_layer_idex < EB_MAX_TEMPORAL_LAYERS; temporal_layer_idex++) {
    2702           0 :                 rate_control_layer_temp_ptr = rate_control_param_ptr->rate_control_layer_array[temporal_layer_idex];
    2703             : 
    2704           0 :                 target_bit_rate = (uint64_t)((int64_t)parentpicture_control_set_ptr->target_bit_rate -
    2705           0 :                     MIN((int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4, (int64_t)(parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION))
    2706           0 :                     *rate_percentage_layer_array[sequence_control_set_ptr->static_config.hierarchical_levels][temporal_layer_idex] / 100;
    2707             : 
    2708             : #if ADAPTIVE_PERCENTAGE
    2709           0 :                 if (sequence_control_set_ptr->static_config.look_ahead_distance != 0 && sequence_control_set_ptr->intra_period_length != -1) {
    2710           0 :                     target_bit_rate = (uint64_t)((int64_t)parentpicture_control_set_ptr->target_bit_rate -
    2711           0 :                         MIN((int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4, (int64_t)(parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION))
    2712           0 :                         *parentpicture_control_set_ptr->bits_per_sw_per_layer[temporal_layer_idex] / sum_bits_per_sw;
    2713             :                 }
    2714             : #endif
    2715             :                 // update this based on temporal layers
    2716           0 :                 if (temporal_layer_idex == 0)
    2717           0 :                     channel_bit_rate = (((target_bit_rate << (2 * RC_PRECISION)) / MAX(1, rate_control_layer_temp_ptr->frame_rate - (1 * context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)))) + RC_PRECISION_OFFSET) >> RC_PRECISION;
    2718             :                 else
    2719           0 :                     channel_bit_rate = (((target_bit_rate << (2 * RC_PRECISION)) / rate_control_layer_temp_ptr->frame_rate) + RC_PRECISION_OFFSET) >> RC_PRECISION;
    2720           0 :                 channel_bit_rate = (uint64_t)MAX((int64_t)1, (int64_t)channel_bit_rate);
    2721           0 :                 rate_control_layer_temp_ptr->ec_bit_constraint = channel_bit_rate;
    2722             : 
    2723           0 :                 slice_num = 1;
    2724           0 :                 rate_control_layer_temp_ptr->ec_bit_constraint -= SLICE_HEADER_BITS_NUM * slice_num;
    2725             : 
    2726           0 :                 rate_control_layer_temp_ptr->previous_bit_constraint = channel_bit_rate;
    2727           0 :                 rate_control_layer_temp_ptr->bit_constraint = channel_bit_rate;
    2728           0 :                 rate_control_layer_temp_ptr->channel_bit_rate = channel_bit_rate;
    2729             :             }
    2730           0 :             if ((int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4 < (int64_t)(parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION) {
    2731           0 :                 rate_control_param_ptr->previous_virtual_buffer_level += (int64_t)((parentpicture_control_set_ptr->total_num_bits*context_ptr->frame_rate / (sequence_control_set_ptr->static_config.intra_period_length + 1)) >> RC_PRECISION) - (int64_t)parentpicture_control_set_ptr->target_bit_rate * 3 / 4;
    2732           0 :                 context_ptr->extra_bits_gen = 0;
    2733             :             }
    2734             :         }
    2735             : 
    2736           0 :         if (previous_frame_bit_actual) {
    2737             :             uint64_t bit_changes_rate;
    2738             :             // Updating virtual buffer level and it can be negative
    2739           0 :             context_ptr->extra_bits_gen = 0;
    2740           0 :             rate_control_param_ptr->virtual_buffer_level =
    2741           0 :                 (int64_t)rate_control_param_ptr->previous_virtual_buffer_level +
    2742           0 :                 (int64_t)previous_frame_bit_actual - (int64_t)context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_frame;
    2743           0 :             if (parentpicture_control_set_ptr->hierarchical_levels > 1 && rate_control_layer_ptr->frame_same_distortion_min_qp_count > 10) {
    2744           0 :                 rate_control_layer_ptr->previous_bit_constraint = (int64_t)rate_control_layer_ptr->channel_bit_rate;
    2745           0 :                 rate_control_param_ptr->virtual_buffer_level = ((int64_t)context_ptr->virtual_buffer_size >> 1);
    2746             :             }
    2747             :             // Updating bit difference
    2748           0 :             rate_control_layer_ptr->bit_diff = (int64_t)rate_control_param_ptr->virtual_buffer_level
    2749             :                 //- ((int64_t)context_ptr->virtual_buffer_size>>1);
    2750           0 :                 - ((int64_t)rate_control_layer_ptr->channel_bit_rate >> 1);
    2751             : 
    2752             :             // Limit the bit difference
    2753           0 :             rate_control_layer_ptr->bit_diff = CLIP3(-(int64_t)(rate_control_layer_ptr->channel_bit_rate), (int64_t)(rate_control_layer_ptr->channel_bit_rate >> 1), rate_control_layer_ptr->bit_diff);
    2754           0 :             bit_changes_rate = rate_control_layer_ptr->frame_rate;
    2755             : 
    2756             :             // Updating bit Constraint
    2757           0 :             rate_control_layer_ptr->bit_constraint = MAX((int64_t)rate_control_layer_ptr->previous_bit_constraint - ((rate_control_layer_ptr->bit_diff << RC_PRECISION) / ((int64_t)bit_changes_rate)), 1);
    2758             : 
    2759             :             // Limiting the bit_constraint
    2760           0 :             if (parentpicture_control_set_ptr->temporal_layer_index == 0) {
    2761           0 :                 rate_control_layer_ptr->bit_constraint = CLIP3(rate_control_layer_ptr->channel_bit_rate >> 2,
    2762             :                     rate_control_layer_ptr->channel_bit_rate * 200 / 100,
    2763             :                     rate_control_layer_ptr->bit_constraint);
    2764             :             }
    2765             :             else {
    2766           0 :                 rate_control_layer_ptr->bit_constraint = CLIP3(rate_control_layer_ptr->channel_bit_rate >> 1,
    2767             :                     rate_control_layer_ptr->channel_bit_rate * 200 / 100,
    2768             :                     rate_control_layer_ptr->bit_constraint);
    2769             :             }
    2770           0 :             rate_control_layer_ptr->ec_bit_constraint = (uint64_t)MAX((int64_t)rate_control_layer_ptr->bit_constraint - (int64_t)rate_control_layer_ptr->dif_total_and_ec_bits, 1);
    2771           0 :             rate_control_param_ptr->previous_virtual_buffer_level = rate_control_param_ptr->virtual_buffer_level;
    2772           0 :             rate_control_layer_ptr->previous_bit_constraint = rate_control_layer_ptr->bit_constraint;
    2773             :         }
    2774             : 
    2775           0 :         rate_control_param_ptr->processed_frames_number++;
    2776           0 :         rate_control_param_ptr->in_use = EB_TRUE;
    2777             :         // check if all the frames in the interval have arrived
    2778           0 :         if (rate_control_param_ptr->processed_frames_number == (rate_control_param_ptr->last_poc - rate_control_param_ptr->first_poc + 1) &&
    2779           0 :             sequence_control_set_ptr->intra_period_length != -1) {
    2780             :             uint32_t temporal_index;
    2781             :             int64_t extra_bits;
    2782           0 :             rate_control_param_ptr->first_poc += PARALLEL_GOP_MAX_NUMBER * (uint32_t)(sequence_control_set_ptr->intra_period_length + 1);
    2783           0 :             rate_control_param_ptr->last_poc += PARALLEL_GOP_MAX_NUMBER * (uint32_t)(sequence_control_set_ptr->intra_period_length + 1);
    2784           0 :             rate_control_param_ptr->processed_frames_number = 0;
    2785           0 :             rate_control_param_ptr->extra_ap_bit_ratio_i = 0;
    2786           0 :             rate_control_param_ptr->in_use = EB_FALSE;
    2787           0 :             rate_control_param_ptr->was_used = EB_TRUE;
    2788           0 :             rate_control_param_ptr->last_gop = EB_FALSE;
    2789           0 :             rate_control_param_ptr->first_pic_actual_qp_assigned = EB_FALSE;
    2790           0 :             for (temporal_index = 0; temporal_index < EB_MAX_TEMPORAL_LAYERS; temporal_index++) {
    2791           0 :                 rate_control_param_ptr->rate_control_layer_array[temporal_index]->first_frame = 1;
    2792           0 :                 rate_control_param_ptr->rate_control_layer_array[temporal_index]->first_non_intra_frame = 1;
    2793           0 :                 rate_control_param_ptr->rate_control_layer_array[temporal_index]->feedback_arrived = EB_FALSE;
    2794             :             }
    2795           0 :             extra_bits = ((int64_t)context_ptr->virtual_buffer_size >> 1) - (int64_t)rate_control_param_ptr->virtual_buffer_level;
    2796             : 
    2797           0 :             rate_control_param_ptr->virtual_buffer_level = context_ptr->virtual_buffer_size >> 1;
    2798           0 :             context_ptr->extra_bits += extra_bits;
    2799             :         }
    2800           0 :         context_ptr->extra_bits = 0;
    2801             :     }
    2802             : 
    2803             : #if RC_PRINTS
    2804             :     ///if (parentpicture_control_set_ptr->temporal_layer_index == 0)
    2805             :     {
    2806             :         SVT_LOG("%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%.0f\t%.0f\t%.0f\t%.0f\t%d\t%d\n",
    2807             :             (int)parentpicture_control_set_ptr->slice_type,
    2808             :             (int)parentpicture_control_set_ptr->picture_number,
    2809             :             (int)parentpicture_control_set_ptr->temporal_layer_index,
    2810             :             (int)parentpicture_control_set_ptr->picture_qp, (int)parentpicture_control_set_ptr->calculated_qp, (int)parentpicture_control_set_ptr->best_pred_qp,
    2811             :             (int)previous_frame_bit_actual,
    2812             :             (int)parentpicture_control_set_ptr->target_bits_best_pred_qp,
    2813             :             (int)parentpicture_control_set_ptr->target_bits_rc,
    2814             :             (int)rate_control_layer_ptr->channel_bit_rate,
    2815             :             (int)rate_control_layer_ptr->bit_constraint,
    2816             :             (double)rate_control_layer_ptr->c_coeff,
    2817             :             (double)rate_control_layer_ptr->k_coeff,
    2818             :             (double)parentpicture_control_set_ptr->sad_me,
    2819             :             (double)context_ptr->extra_bits_gen,
    2820             :             (int)rate_control_param_ptr->virtual_buffer_level,
    2821             :             (int)context_ptr->extra_bits);
    2822             :     }
    2823             : #endif
    2824           0 : }
    2825             : 
    2826           0 : void high_level_rc_feed_back_picture(
    2827             :     PictureParentControlSet *picture_control_set_ptr,
    2828             :     SequenceControlSet      *sequence_control_set_ptr)
    2829             : {
    2830             :     // Queue variables
    2831             :     HlRateControlHistogramEntry *hl_rate_control_histogram_ptr_temp;
    2832             :     uint32_t                     queue_entry_index_head_temp;
    2833             : 
    2834             :     //SVT_LOG("\nOut:%d Slidings: ",picture_control_set_ptr->picture_number);
    2835           0 :     if (sequence_control_set_ptr->static_config.look_ahead_distance != 0) {
    2836             :         // Update the coded rate in the histogram queue
    2837           0 :         if (picture_control_set_ptr->picture_number >= sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue[sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number) {
    2838           0 :             queue_entry_index_head_temp = (int32_t)(picture_control_set_ptr->picture_number - sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue[sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_head_index]->picture_number);
    2839           0 :             queue_entry_index_head_temp += sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_head_index;
    2840           0 :             queue_entry_index_head_temp = (queue_entry_index_head_temp > HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH - 1) ?
    2841           0 :                 queue_entry_index_head_temp - HIGH_LEVEL_RATE_CONTROL_HISTOGRAM_QUEUE_MAX_DEPTH :
    2842             :                 queue_entry_index_head_temp;
    2843             : 
    2844           0 :             hl_rate_control_histogram_ptr_temp = (sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue[queue_entry_index_head_temp]);
    2845           0 :             if (hl_rate_control_histogram_ptr_temp->picture_number == picture_control_set_ptr->picture_number &&
    2846           0 :                 hl_rate_control_histogram_ptr_temp->passed_to_hlrc) {
    2847           0 :                 eb_block_on_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    2848           0 :                 hl_rate_control_histogram_ptr_temp->total_num_bits_coded = picture_control_set_ptr->total_num_bits;
    2849           0 :                 hl_rate_control_histogram_ptr_temp->is_coded = EB_TRUE;
    2850           0 :                 eb_release_mutex(sequence_control_set_ptr->encode_context_ptr->hl_rate_control_historgram_queue_mutex);
    2851             :             }
    2852             :         }
    2853             :     }
    2854           0 : }
    2855             : // rate control QP refinement
    2856           0 : void rate_control_refinement(
    2857             :     PictureControlSet               *picture_control_set_ptr,
    2858             :     SequenceControlSet              *sequence_control_set_ptr,
    2859             :     RateControlIntervalParamContext *rate_control_param_ptr,
    2860             :     RateControlIntervalParamContext *prev_gop_rate_control_param_ptr,
    2861             :     RateControlIntervalParamContext *next_gop_rate_control_param_ptr) {
    2862           0 :     if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc && picture_control_set_ptr->picture_number != 0 && !prev_gop_rate_control_param_ptr->scene_change_in_gop) {
    2863           0 :         int16_t deltaApQp = (int16_t)prev_gop_rate_control_param_ptr->first_pic_actual_qp - (int16_t)prev_gop_rate_control_param_ptr->first_pic_pred_qp;
    2864           0 :         int64_t extraApBitRatio = (prev_gop_rate_control_param_ptr->first_pic_pred_bits != 0) ?
    2865           0 :             (((int64_t)prev_gop_rate_control_param_ptr->first_pic_actual_bits - (int64_t)prev_gop_rate_control_param_ptr->first_pic_pred_bits) * 100) / ((int64_t)prev_gop_rate_control_param_ptr->first_pic_pred_bits) :
    2866             :             0;
    2867           0 :         extraApBitRatio += (int64_t)deltaApQp * 15;
    2868           0 :         if (extraApBitRatio > 200)
    2869           0 :             picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + 3;
    2870           0 :         else if (extraApBitRatio > 100)
    2871           0 :             picture_control_set_ptr->picture_qp = picture_control_set_ptr->picture_qp + 2;
    2872           0 :         else if (extraApBitRatio > 50)
    2873           0 :             picture_control_set_ptr->picture_qp++;
    2874             :     }
    2875             : 
    2876           0 :     if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc && picture_control_set_ptr->picture_number != 0) {
    2877           0 :         uint8_t qpIncAllowed = 3;
    2878           0 :         uint8_t qpDecAllowed = 4;
    2879           0 :         if (picture_control_set_ptr->parent_pcs_ptr->intra_selected_org_qp + 10 <= prev_gop_rate_control_param_ptr->first_pic_actual_qp)
    2880           0 :             qpDecAllowed = (uint8_t)(prev_gop_rate_control_param_ptr->first_pic_actual_qp - picture_control_set_ptr->parent_pcs_ptr->intra_selected_org_qp) >> 1;
    2881           0 :         if (picture_control_set_ptr->parent_pcs_ptr->intra_selected_org_qp >= prev_gop_rate_control_param_ptr->first_pic_actual_qp + 10)
    2882             :         {
    2883           0 :             qpIncAllowed = (uint8_t)(picture_control_set_ptr->parent_pcs_ptr->intra_selected_org_qp - prev_gop_rate_control_param_ptr->first_pic_actual_qp) * 2 / 3;
    2884           0 :             if (prev_gop_rate_control_param_ptr->first_pic_actual_qp <= 15)
    2885           0 :                 qpIncAllowed += 5;
    2886           0 :             else if (prev_gop_rate_control_param_ptr->first_pic_actual_qp <= 20)
    2887           0 :                 qpIncAllowed += 4;
    2888           0 :             else if (prev_gop_rate_control_param_ptr->first_pic_actual_qp <= 25)
    2889           0 :                 qpIncAllowed += 3;
    2890             :         }
    2891           0 :         else if (prev_gop_rate_control_param_ptr->scene_change_in_gop)
    2892           0 :             qpIncAllowed = 5;
    2893           0 :         if (picture_control_set_ptr->parent_pcs_ptr->end_of_sequence_region) {
    2894           0 :             qpIncAllowed += 2;
    2895           0 :             qpDecAllowed += 4;
    2896             :         }
    2897           0 :         picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2898             :             (uint32_t)MAX((int32_t)prev_gop_rate_control_param_ptr->first_pic_actual_qp - (int32_t)qpDecAllowed, 0),
    2899             :             (uint32_t)prev_gop_rate_control_param_ptr->first_pic_actual_qp + qpIncAllowed,
    2900             :             picture_control_set_ptr->picture_qp);
    2901             :     }
    2902             : 
    2903             :     // Scene change
    2904           0 :     if (picture_control_set_ptr->slice_type == I_SLICE && picture_control_set_ptr->picture_number != rate_control_param_ptr->first_poc) {
    2905           0 :         if (next_gop_rate_control_param_ptr->first_pic_actual_qp_assigned) {
    2906           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2907             :                 (uint32_t)MAX((int32_t)next_gop_rate_control_param_ptr->first_pic_actual_qp - (int32_t)1, 0),
    2908             :                 (uint32_t)next_gop_rate_control_param_ptr->first_pic_actual_qp + 8,
    2909             :                 picture_control_set_ptr->picture_qp);
    2910             :         }
    2911             :         else {
    2912           0 :             if (rate_control_param_ptr->first_pic_actual_qp < 20) {
    2913           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2914             :                     (uint32_t)MAX((int32_t)rate_control_param_ptr->first_pic_actual_qp - (int32_t)4, 0),
    2915             :                     (uint32_t)rate_control_param_ptr->first_pic_actual_qp + 10,
    2916             :                     picture_control_set_ptr->picture_qp);
    2917             :             }
    2918             :             else {
    2919           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2920             :                     (uint32_t)MAX((int32_t)rate_control_param_ptr->first_pic_actual_qp - (int32_t)4, 0),
    2921             :                     (uint32_t)rate_control_param_ptr->first_pic_actual_qp + 8,
    2922             :                     picture_control_set_ptr->picture_qp);
    2923             :             }
    2924             :         }
    2925             :     }
    2926             : 
    2927           0 :     if (sequence_control_set_ptr->intra_period_length != -1 && picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels < 2 && (int32_t)picture_control_set_ptr->temporal_layer_index == 0 && picture_control_set_ptr->slice_type != I_SLICE) {
    2928           0 :         if (next_gop_rate_control_param_ptr->first_pic_actual_qp_assigned || next_gop_rate_control_param_ptr->was_used) {
    2929           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2930             :                 (uint32_t)MAX((int32_t)next_gop_rate_control_param_ptr->first_pic_actual_qp - (int32_t)4, 0),
    2931             :                 (uint32_t)picture_control_set_ptr->picture_qp,
    2932             :                 picture_control_set_ptr->picture_qp);
    2933             :         }
    2934             :         else {
    2935           0 :             picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    2936             :                 (uint32_t)MAX((int32_t)rate_control_param_ptr->first_pic_actual_qp - (int32_t)4, 0),
    2937             :                 (uint32_t)picture_control_set_ptr->picture_qp,
    2938             :                 picture_control_set_ptr->picture_qp);
    2939             :         }
    2940             :     }
    2941           0 : }
    2942             : // initialize the rate control parameter at the beginning
    2943           2 : void init_rc(
    2944             :     RateControlContext *context_ptr,
    2945             :     PictureControlSet  *picture_control_set_ptr,
    2946             :     SequenceControlSet *sequence_control_set_ptr) {
    2947           2 :     context_ptr->high_level_rate_control_ptr->target_bit_rate = sequence_control_set_ptr->static_config.target_bit_rate;
    2948           2 :     context_ptr->high_level_rate_control_ptr->frame_rate = sequence_control_set_ptr->frame_rate;
    2949           2 :     context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_frame = (uint64_t)MAX((int64_t)1, (int64_t)((context_ptr->high_level_rate_control_ptr->target_bit_rate << RC_PRECISION) / context_ptr->high_level_rate_control_ptr->frame_rate));
    2950             : 
    2951           2 :     context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_sw = context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_frame * (sequence_control_set_ptr->static_config.look_ahead_distance + 1);
    2952           2 :     context_ptr->high_level_rate_control_ptr->bit_constraint_per_sw = context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_sw;
    2953             : 
    2954             : #if RC_UPDATE_TARGET_RATE
    2955           2 :     context_ptr->high_level_rate_control_ptr->previous_updated_bit_constraint_per_sw = context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_sw;
    2956             : #endif
    2957             : 
    2958           2 :     int32_t total_frame_in_interval = sequence_control_set_ptr->intra_period_length;
    2959           2 :     uint32_t gopPeriod = (1 << picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels);
    2960           2 :     context_ptr->frame_rate = sequence_control_set_ptr->frame_rate;
    2961          66 :     while (total_frame_in_interval >= 0) {
    2962          64 :         if (total_frame_in_interval % (gopPeriod) == 0)
    2963           4 :             context_ptr->frames_in_interval[0] ++;
    2964          60 :         else if (total_frame_in_interval % (gopPeriod >> 1) == 0)
    2965           4 :             context_ptr->frames_in_interval[1] ++;
    2966          56 :         else if (total_frame_in_interval % (gopPeriod >> 2) == 0)
    2967           8 :             context_ptr->frames_in_interval[2] ++;
    2968          48 :         else if (total_frame_in_interval % (gopPeriod >> 3) == 0)
    2969          16 :             context_ptr->frames_in_interval[3] ++;
    2970          32 :         else if (total_frame_in_interval % (gopPeriod >> 4) == 0)
    2971          32 :             context_ptr->frames_in_interval[4] ++;
    2972           0 :         else if (total_frame_in_interval % (gopPeriod >> 5) == 0)
    2973           0 :             context_ptr->frames_in_interval[5] ++;
    2974          64 :         total_frame_in_interval--;
    2975             :     }
    2976           2 :     if (sequence_control_set_ptr->static_config.rate_control_mode == 2) { // VBR
    2977           0 :         context_ptr->virtual_buffer_size = (((uint64_t)sequence_control_set_ptr->static_config.target_bit_rate * 3) << RC_PRECISION) / (context_ptr->frame_rate);
    2978           0 :         context_ptr->rate_average_periodin_frames = (uint64_t)sequence_control_set_ptr->static_config.intra_period_length + 1;
    2979           0 :         context_ptr->virtual_buffer_level_initial_value = context_ptr->virtual_buffer_size >> 1;
    2980           0 :         context_ptr->virtual_buffer_level = context_ptr->virtual_buffer_size >> 1;
    2981           0 :         context_ptr->previous_virtual_buffer_level = context_ptr->virtual_buffer_size >> 1;
    2982           0 :         context_ptr->vb_fill_threshold1 = (context_ptr->virtual_buffer_size * 6) >> 3;
    2983           0 :         context_ptr->vb_fill_threshold2 = (context_ptr->virtual_buffer_size << 3) >> 3;
    2984           0 :         context_ptr->base_layer_frames_avg_qp = sequence_control_set_ptr->qp;
    2985           0 :         context_ptr->base_layer_intra_frames_avg_qp = sequence_control_set_ptr->qp;
    2986             :     }
    2987           2 :     else if (sequence_control_set_ptr->static_config.rate_control_mode == 3) {
    2988           0 :         context_ptr->virtual_buffer_size = ((uint64_t)sequence_control_set_ptr->static_config.target_bit_rate);// vbv_buf_size);
    2989           0 :         context_ptr->rate_average_periodin_frames = (uint64_t)sequence_control_set_ptr->static_config.intra_period_length + 1;
    2990           0 :         context_ptr->virtual_buffer_level_initial_value = context_ptr->virtual_buffer_size >> 1;
    2991           0 :         context_ptr->virtual_buffer_level = context_ptr->virtual_buffer_size >> 1;
    2992           0 :         context_ptr->previous_virtual_buffer_level = context_ptr->virtual_buffer_size >> 1;
    2993           0 :         context_ptr->vb_fill_threshold1 = context_ptr->virtual_buffer_level_initial_value + (context_ptr->virtual_buffer_size / 4);
    2994           0 :         context_ptr->vb_fill_threshold2 = context_ptr->virtual_buffer_level_initial_value + (context_ptr->virtual_buffer_size / 3);
    2995           0 :         context_ptr->base_layer_frames_avg_qp = sequence_control_set_ptr->qp;
    2996           0 :         context_ptr->base_layer_intra_frames_avg_qp = sequence_control_set_ptr->qp;
    2997             :     }
    2998             : 
    2999         164 :     for (uint32_t base_qp = 0; base_qp < MAX_REF_QP_NUM; base_qp++) {
    3000         162 :         if (base_qp < 64) {
    3001         128 :             context_ptr->qp_scaling_map_I_SLICE[base_qp] = qp_scaling_calc(
    3002             :                 sequence_control_set_ptr,
    3003             :                 I_SLICE,
    3004             :                 0,
    3005             :                 base_qp);
    3006             :         }
    3007             :         else
    3008          34 :             context_ptr->qp_scaling_map_I_SLICE[base_qp] = (uint32_t)CLIP3(0, 63, (int)base_qp - (63 - (int)context_ptr->qp_scaling_map_I_SLICE[63]));
    3009         972 :         for (uint32_t temporal_layer_index = 0; temporal_layer_index < sequence_control_set_ptr->static_config.hierarchical_levels+1; temporal_layer_index++) {
    3010         810 :             if (base_qp < 64) {
    3011         640 :                 context_ptr->qp_scaling_map[temporal_layer_index][base_qp] = qp_scaling_calc(
    3012             :                     sequence_control_set_ptr,
    3013             :                     0,
    3014             :                     temporal_layer_index,
    3015             :                     base_qp);
    3016             :             }
    3017             :             else
    3018         170 :                 context_ptr->qp_scaling_map[temporal_layer_index][base_qp] = (uint32_t)CLIP3(0, 63, (int)base_qp - (63 - (int)context_ptr->qp_scaling_map[temporal_layer_index][63]));
    3019             :         }
    3020             :     }
    3021           2 : }
    3022             : 
    3023             : #define MAX_Q_INDEX 255
    3024             : #define MIN_Q_INDEX 0
    3025             : 
    3026             : extern int16_t eb_av1_ac_quant_Q3(int32_t qindex, int32_t delta, AomBitDepth bit_depth);
    3027             : // These functions use formulaic calculations to make playing with the
    3028             : // quantizer tables easier. If necessary they can be replaced by lookup
    3029             : // tables if and when things settle down in the experimental bitstream
    3030             : 
    3031      183474 : double eb_av1_convert_qindex_to_q(int32_t qindex, AomBitDepth bit_depth) {
    3032             :     // Convert the index to a real Q value (scaled down to match old Q values)
    3033      183474 :     switch (bit_depth) {
    3034      183474 :     case AOM_BITS_8: return eb_av1_ac_quant_Q3(qindex, 0, bit_depth) / 4.0;
    3035           0 :     case AOM_BITS_10: return eb_av1_ac_quant_Q3(qindex, 0, bit_depth) / 16.0;
    3036           0 :     case AOM_BITS_12: return eb_av1_ac_quant_Q3(qindex, 0, bit_depth) / 64.0;
    3037           0 :     default:
    3038           0 :         assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
    3039             :         return -1.0;
    3040             :     }
    3041             : }
    3042         786 : int32_t eb_av1_compute_qdelta(double qstart, double qtarget,
    3043             :     AomBitDepth bit_depth) {
    3044         786 :     int32_t start_index = MAX_Q_INDEX;
    3045         786 :     int32_t target_index = MAX_Q_INDEX;
    3046             :     int32_t i;
    3047             : 
    3048             :     // Convert the average q value to an index.
    3049      101314 :     for (i = MIN_Q_INDEX; i < MAX_Q_INDEX; ++i) {
    3050      101302 :         start_index = i;
    3051      101302 :         if (eb_av1_convert_qindex_to_q(i, bit_depth) >= qstart) break;
    3052             :     }
    3053             : 
    3054             :     // Convert the q target to an index
    3055       80674 :     for (i = MIN_Q_INDEX; i < MAX_Q_INDEX; ++i) {
    3056       80672 :         target_index = i;
    3057       80672 :         if (eb_av1_convert_qindex_to_q(i, bit_depth) >= qtarget) break;
    3058             :     }
    3059             : 
    3060         786 :     return target_index - start_index;
    3061             : }
    3062             : // calculate the QP based on the QP scaling
    3063         768 : uint32_t qp_scaling_calc(
    3064             :     SequenceControlSet *sequence_control_set_ptr,
    3065             :     EB_SLICE            slice_type,
    3066             :     uint32_t            temporal_layer_index,
    3067             :     uint32_t            base_qp)
    3068             : {
    3069             :     // AMIR to fix
    3070         768 :     uint32_t    scaled_qp = 0;
    3071             :     int         base_qindex;
    3072             : 
    3073         768 :     const  double delta_rate_new[2][6] =
    3074             :     { { 0.40, 0.7, 0.85, 1.0, 1.0, 1.0 },
    3075             :     { 0.35, 0.6, 0.8,  0.9, 1.0, 1.0 } };
    3076             : 
    3077         768 :     int qindex = quantizer_to_qindex[base_qp];
    3078         768 :     const double q = eb_av1_convert_qindex_to_q(qindex, (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    3079             :     int delta_qindex;
    3080             : 
    3081         768 :     if (slice_type == I_SLICE) {
    3082         128 :         delta_qindex = eb_av1_compute_qdelta(
    3083             :             q,
    3084             :             q* 0.25,
    3085         128 :             (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    3086             :     }
    3087             :     else {
    3088         640 :         delta_qindex = eb_av1_compute_qdelta(
    3089             :             q,
    3090         640 :             q* delta_rate_new[sequence_control_set_ptr->static_config.hierarchical_levels == 4][temporal_layer_index], // RC does not support 5L
    3091             :             //q* delta_rate_new[0][temporal_layer_index], // RC does not support 5L
    3092         640 :             (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    3093             :     }
    3094             : 
    3095         768 :     base_qindex = MAX(qindex + delta_qindex, MIN_Q_INDEX);
    3096         768 :     scaled_qp = (uint32_t)(base_qindex) >> 2;
    3097             : 
    3098         768 :     return scaled_qp;
    3099             : }
    3100             : typedef struct {
    3101             :     // Rate targetting variables
    3102             :     int base_frame_target;  // A baseline frame target before adjustment
    3103             :                             // for previous under or over shoot.
    3104             :     int this_frame_target;  // Actual frame target after rc adjustment.
    3105             :     int projected_frame_size;
    3106             :     int sb64_target_rate;
    3107             :     int last_q[FRAME_TYPES];  // Separate values for Intra/Inter
    3108             :     int last_boosted_qindex;  // Last boosted GF/KF/ARF q
    3109             :     int last_kf_qindex;       // Q index of the last key frame coded.
    3110             : 
    3111             :     int gfu_boost;
    3112             :     int kf_boost;
    3113             : 
    3114             :     // double rate_correction_factors[RATE_FACTOR_LEVELS];
    3115             : 
    3116             :     int frames_since_golden;
    3117             :     int frames_till_gf_update_due;
    3118             :     int min_gf_interval;
    3119             :     int max_gf_interval;
    3120             :     int static_scene_max_gf_interval;
    3121             :     int baseline_gf_interval;
    3122             :     int constrained_gf_group;
    3123             :     int frames_to_key;
    3124             :     int frames_since_key;
    3125             :     int this_key_frame_forced;
    3126             :     int next_key_frame_forced;
    3127             :     int source_alt_ref_pending;
    3128             :     int source_alt_ref_active;
    3129             :     int is_src_frame_alt_ref;
    3130             :     int sframe_due;
    3131             : 
    3132             :     // Length of the bi-predictive frame group interval
    3133             :     int bipred_group_interval;
    3134             : 
    3135             :     // NOTE: Different types of frames may have different bits allocated
    3136             :     //       accordingly, aiming to achieve the overall optimal RD performance.
    3137             :     int is_bwd_ref_frame;
    3138             :     int is_last_bipred_frame;
    3139             :     int is_bipred_frame;
    3140             :     int is_src_frame_ext_arf;
    3141             : 
    3142             :     int avg_frame_bandwidth;  // Average frame size target for clip
    3143             :     int min_frame_bandwidth;  // Minimum allocation used for any frame
    3144             :     int max_frame_bandwidth;  // Maximum burst rate allowed for a frame.
    3145             : 
    3146             :     int ni_av_qi;
    3147             :     int ni_tot_qi;
    3148             :     int ni_frames;
    3149             :     int avg_frame_qindex[FRAME_TYPES];
    3150             :     double tot_q;
    3151             :     double avg_q;
    3152             : 
    3153             :     int64_t buffer_level;
    3154             :     int64_t bits_off_target;
    3155             :     int64_t vbr_bits_off_target;
    3156             :     int64_t vbr_bits_off_target_fast;
    3157             : 
    3158             :     int decimation_factor;
    3159             :     int decimation_count;
    3160             : 
    3161             :     int rolling_target_bits;
    3162             :     int rolling_actual_bits;
    3163             : 
    3164             :     int long_rolling_target_bits;
    3165             :     int long_rolling_actual_bits;
    3166             : 
    3167             :     int rate_error_estimate;
    3168             : 
    3169             :     int64_t total_actual_bits;
    3170             :     int64_t total_target_bits;
    3171             :     int64_t total_target_vs_actual;
    3172             : 
    3173             :     int worst_quality;
    3174             :     int best_quality;
    3175             : 
    3176             :     int64_t starting_buffer_level;
    3177             :     int64_t optimal_buffer_level;
    3178             :     int64_t maximum_buffer_size;
    3179             : 
    3180             :     // rate control history for last frame(1) and the frame before(2).
    3181             :     // -1: undershot
    3182             :     //  1: overshoot
    3183             :     //  0: not initialized.
    3184             :     int rc_1_frame;
    3185             :     int rc_2_frame;
    3186             :     int q_1_frame;
    3187             :     int q_2_frame;
    3188             : 
    3189             :     // Auto frame-scaling variables.
    3190             :  //   int rf_level_maxq[RATE_FACTOR_LEVELS];
    3191             :     float_t arf_boost_factor;
    3192             :     // Q index used for ALT frame
    3193             :     int arf_q;
    3194             : } RATE_CONTROL;
    3195             : #define STATIC_MOTION_THRESH 95
    3196             : 
    3197             : enum {
    3198             :     INTER_NORMAL = 0,
    3199             :     INTER_LOW = 1,
    3200             :     INTER_HIGH = 2,
    3201             :     GF_ARF_LOW = 3,
    3202             :     GF_ARF_STD = 4,
    3203             :     KF_STD = 5,
    3204             :     RATE_FACTOR_LEVELS = 6
    3205             : } RATE_FACTOR_LEVEL;
    3206             : 
    3207             : enum {
    3208             :     KF_UPDATE = 0,
    3209             :     LF_UPDATE = 1,
    3210             :     GF_UPDATE = 2,
    3211             :     ARF_UPDATE = 3,
    3212             :     OVERLAY_UPDATE = 4,
    3213             :     BRF_UPDATE = 5,            // Backward Reference Frame
    3214             :     LAST_BIPRED_UPDATE = 6,    // Last Bi-predictive Frame
    3215             :     BIPRED_UPDATE = 7,         // Bi-predictive Frame, but not the last one
    3216             :     INTNL_OVERLAY_UPDATE = 8,  // Internal Overlay Frame
    3217             :     INTNL_ARF_UPDATE = 9,      // Internal Altref Frame (candidate for ALTREF2)
    3218             :     FRAME_UPDATE_TYPES = 10
    3219             : } FRAME_UPDATE_TYPE;
    3220             : 
    3221             : // that are not marked as coded with 0,0 motion in the first pass.
    3222             : #define FAST_MOVING_KF_GROUP_THRESH 5
    3223             : #define MEDIUM_MOVING_KF_GROUP_THRESH  30
    3224             : #define STATIC_KF_GROUP_THRESH         70
    3225             : #define MAX_QPS_COMP_I                150
    3226             : #define MAX_QPS_COMP_I_LR              42
    3227             : #define MAX_QPS_COMP_NONI             300
    3228             : #define HIGH_QPS_COMP_THRESHOLD        80
    3229             : #define LOW_QPS_COMP_THRESHOLD         40
    3230             : #define HIGH_FILTERED_THRESHOLD     (4<<8) // 8 bit precision
    3231             : #define LOW_FILTERED_THRESHOLD      (2<<8) // 8 bit precision
    3232             : #define QPS_SW_THRESH          8
    3233             : 
    3234             : #if TWO_PASS
    3235             : #if TWO_PASS_IMPROVEMENT
    3236             : #define MAX_REF_AREA_I                 50 // Max ref area for I slice
    3237             : #define MAX_REF_AREA_NONI              50 // Max ref area for Non I slice
    3238             : #define MAX_REF_AREA_NONI_LOW_RES      40 // Max ref area for Non I slice in low resolution
    3239             : #else
    3240             : #define MAX_REF_AREA_I                 45 // Max ref area for I slice
    3241             : #define MAX_REF_AREA_NONI              40 // Max ref area for Non I slice
    3242             : #define MAX_REF_AREA_NONI_LOW_RES      30 // Max ref area for Non I slice in low resolution
    3243             : #endif
    3244             : #define REF_AREA_DIF_THRESHOLD         10 // Difference threshold for ref area between two frames
    3245             : #define REF_AREA_LOW_THRESHOLD          8 // Low threshold for ref area
    3246             : #define REF_AREA_MED_THRESHOLD         16 // Medium threshold for ref area
    3247             : 
    3248             : #define ME_SAD_LOW_THRESHOLD1          15 // Low Sad threshold1 for me distortion (very low)
    3249             : #define ME_SAD_LOW_THRESHOLD2          25 // Low Sad threshold2 for me distortion (low)
    3250             : #define ME_SAD_HIGH_THRESHOLD          80 // High Sad threshold2 for me distortion (high)
    3251             : #endif
    3252             : 
    3253             : #define ASSIGN_MINQ_TABLE(bit_depth, name)                   \
    3254             :   do {                                                       \
    3255             :     switch (bit_depth) {                                     \
    3256             :       case AOM_BITS_8: name = name##_8; break;               \
    3257             :       case AOM_BITS_10: name = name##_10; break;             \
    3258             :       case AOM_BITS_12: name = name##_12; break;             \
    3259             :       default:                                               \
    3260             :         assert(0 &&                                          \
    3261             :                "bit_depth should be AOM_BITS_8, AOM_BITS_10" \
    3262             :                " or AOM_BITS_12");                           \
    3263             :         name = NULL;                                         \
    3264             :     }                                                        \
    3265             :   } while (0)
    3266             : 
    3267             : 
    3268             : static int kf_low_motion_minq_8[QINDEX_RANGE] = {
    3269             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3270             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3271             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3272             :         0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3,
    3273             :         3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5,
    3274             :         5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7,
    3275             :         7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10,
    3276             :         10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14,
    3277             :         14, 15, 15, 15, 16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 19,
    3278             :         20, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26,
    3279             :         26, 27, 27, 28, 28, 29, 30, 30, 31, 31, 32, 32, 33, 34, 34,
    3280             :         35, 36, 36, 37, 37, 38, 39, 39, 40, 41, 42, 42, 43, 44, 45,
    3281             :         45, 46, 47, 48, 49, 50, 51, 51, 52, 54, 55, 56, 57, 58, 59,
    3282             :         61, 62, 63, 64, 67, 68, 69, 71, 73, 74, 76, 77, 80, 81, 83,
    3283             :         85, 87, 90, 91, 94, 96, 99, 102, 104, 107, 108, 110, 113, 114, 116,
    3284             :         119, 121, 122, 125, 128, 130, 133, 135, 138, 141, 144, 147, 150, 152, 155,
    3285             :         158, 161, 165, 168, 171, 174, 177, 180, 184, 187, 190, 194, 197, 201, 205,
    3286             :         208};
    3287             : 
    3288             : static int kf_high_motion_minq_8[QINDEX_RANGE] = {
    3289             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 3,
    3290             :         3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9,
    3291             :         10, 10, 11, 11, 11, 12, 12, 13, 13, 14, 14, 14, 15, 15, 16,
    3292             :         16, 16, 17, 17, 18, 18, 19, 19, 19, 20, 20, 21, 21, 21, 22,
    3293             :         22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 28,
    3294             :         28, 29, 29, 30, 30, 30, 31, 31, 32, 32, 32, 33, 33, 34, 34,
    3295             :         34, 35, 35, 36, 36, 36, 37, 38, 39, 39, 40, 41, 42, 42, 43,
    3296             :         44, 45, 46, 46, 47, 48, 49, 49, 50, 51, 51, 52, 53, 54, 54,
    3297             :         55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
    3298             :         71, 72, 73, 74, 76, 77, 78, 80, 81, 82, 84, 85, 86, 88, 89,
    3299             :         90, 92, 93, 95, 96, 97, 97, 98, 99, 100, 100, 101, 102, 103, 104,
    3300             :         105, 106, 107, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118,
    3301             :         119, 120, 121, 121, 122, 123, 124, 124, 125, 126, 128, 128, 129, 130, 131,
    3302             :         131, 132, 134, 135, 136, 137, 138, 139, 140, 141, 143, 143, 144, 146, 146,
    3303             :         147, 149, 150, 151, 152, 153, 155, 156, 158, 158, 160, 161, 163, 164, 166,
    3304             :         166, 168, 170, 171, 173, 174, 176, 178, 179, 181, 183, 185, 187, 189, 191,
    3305             :         193, 195, 197, 200, 201, 204, 206, 209, 212, 214, 216, 219, 222, 224, 227,
    3306             :         230};
    3307             : 
    3308             : static int arfgf_low_motion_minq_8[QINDEX_RANGE] = {
    3309             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3310             :         0, 0, 0, 0, 0, 0, 2, 2, 2, 3, 3, 3, 3, 4, 4,
    3311             :         4, 5, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8,
    3312             :         9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 12, 12, 12, 12,
    3313             :         13, 13, 13, 13, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16,
    3314             :         17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 20, 20, 20, 20,
    3315             :         21, 21, 21, 21, 22, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26,
    3316             :         27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34,
    3317             :         34, 35, 36, 36, 37, 38, 38, 39, 40, 41, 41, 42, 43, 43, 44,
    3318             :         45, 45, 46, 47, 48, 49, 49, 50, 51, 52, 53, 54, 54, 55, 56,
    3319             :         57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
    3320             :         72, 73, 74, 75, 77, 78, 79, 80, 81, 83, 84, 85, 86, 87, 89,
    3321             :         90, 91, 92, 94, 95, 96, 97, 97, 98, 100, 100, 101, 102, 102, 103,
    3322             :         105, 106, 106, 107, 109, 110, 110, 112, 113, 114, 116, 116, 118, 119, 120,
    3323             :         122, 123, 125, 125, 127, 128, 130, 132, 133, 134, 135, 137, 139, 140, 141,
    3324             :         143, 145, 146, 148, 150, 152, 154, 155, 158, 160, 162, 164, 166, 168, 171,
    3325             :         173, 176, 178, 181, 183, 186, 188, 191, 194, 197, 200, 203, 206, 210, 213,
    3326             :         216};
    3327             : 
    3328             : static int arfgf_high_motion_minq_8[QINDEX_RANGE] = {
    3329             :         0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 3, 3, 4, 4, 5,
    3330             :         5, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13,
    3331             :         13, 14, 14, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21,
    3332             :         21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28,
    3333             :         29, 29, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36,
    3334             :         37, 37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44,
    3335             :         44, 45, 45, 46, 46, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
    3336             :         56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 68, 69,
    3337             :         70, 72, 73, 74, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89,
    3338             :         91, 92, 93, 95, 96, 97, 98, 99, 100, 100, 101, 102, 103, 104, 105,
    3339             :         106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120,
    3340             :         121, 122, 123, 123, 124, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133,
    3341             :         134, 135, 136, 137, 138, 139, 139, 140, 141, 142, 144, 144, 145, 146, 147,
    3342             :         148, 149, 151, 151, 152, 153, 155, 156, 156, 157, 159, 160, 161, 162, 163,
    3343             :         164, 166, 167, 169, 169, 170, 172, 173, 175, 176, 178, 179, 180, 181, 183,
    3344             :         184, 186, 188, 189, 191, 192, 194, 196, 197, 199, 201, 202, 204, 206, 209,
    3345             :         210, 212, 214, 217, 218, 220, 223, 225, 228, 230, 232, 234, 237, 239, 242,
    3346             :         245};
    3347             : /*
    3348             : static int inter_minq_8[QINDEX_RANGE] = {
    3349             :                 0, 0, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 11, 12,
    3350             :                 13, 14, 15, 16, 17, 18, 18, 19, 20, 21, 22, 23, 24, 25, 26,
    3351             :                 26, 27, 28, 29, 30, 31, 32, 33, 33, 34, 35, 36, 37, 38, 39,
    3352             :                 40, 40, 41, 42, 43, 44, 45, 46, 47, 47, 48, 49, 50, 51, 52,
    3353             :                 53, 53, 54, 55, 56, 57, 58, 59, 59, 60, 61, 62, 63, 64, 65,
    3354             :                 65, 66, 67, 68, 69, 70, 71, 71, 72, 73, 74, 75, 76, 77, 77,
    3355             :                 78, 79, 80, 81, 82, 83, 84, 86, 88, 89, 91, 93, 94, 96, 97,
    3356             :                 97, 98, 99, 100, 101, 102, 102, 103, 104, 105, 106, 107, 107, 108, 109,
    3357             :                 110, 111, 112, 114, 115, 116, 117, 119, 120, 121, 122, 122, 123, 124, 125,
    3358             :                 126, 127, 127, 128, 129, 131, 132, 133, 134, 135, 136, 137, 138, 139, 139,
    3359             :                 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
    3360             :                 155, 156, 157, 157, 158, 159, 161, 161, 162, 163, 164, 165, 166, 167, 168,
    3361             :                 169, 170, 171, 172, 173, 174, 175, 176, 176, 177, 178, 179, 180, 181, 182,
    3362             :                 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 196,
    3363             :                 197, 199, 199, 200, 201, 203, 203, 205, 206, 207, 208, 209, 210, 211, 212,
    3364             :                 213, 214, 215, 216, 217, 219, 220, 221, 222, 223, 225, 226, 227, 228, 230,
    3365             :                 231, 232, 234, 235, 236, 238, 239, 240, 242, 243, 245, 246, 248, 250, 251,
    3366             :                 253};
    3367             : 
    3368             : static int rtc_minq_8[QINDEX_RANGE] = {
    3369             :                 0, 0, 0, 0, 0, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8,
    3370             :                 9, 9, 10, 11, 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18,
    3371             :                 19, 20, 20, 21, 22, 22, 23, 24, 24, 25, 26, 26, 27, 28, 28,
    3372             :                 29, 30, 31, 31, 32, 33, 33, 34, 35, 35, 36, 37, 37, 38, 39,
    3373             :                 39, 40, 41, 41, 42, 42, 43, 44, 44, 45, 46, 46, 47, 48, 48,
    3374             :                 49, 50, 50, 51, 52, 52, 53, 54, 54, 55, 56, 56, 57, 58, 58,
    3375             :                 59, 60, 60, 61, 61, 62, 63, 65, 66, 67, 69, 70, 71, 72, 74,
    3376             :                 75, 76, 78, 79, 80, 81, 83, 84, 85, 86, 88, 89, 90, 91, 93,
    3377             :                 94, 96, 97, 98, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108,
    3378             :                 109, 110, 110, 112, 113, 114, 115, 116, 118, 119, 120, 121, 122, 123, 123,
    3379             :                 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
    3380             :                 139, 140, 141, 142, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152,
    3381             :                 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 162, 163, 164, 165, 166,
    3382             :                 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181,
    3383             :                 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196,
    3384             :                 197, 199, 200, 201, 202, 203, 205, 206, 207, 208, 210, 211, 212, 214, 215,
    3385             :                 216, 218, 219, 221, 222, 224, 225, 227, 229, 230, 232, 234, 235, 237, 239,
    3386             :                 241};
    3387             : */
    3388             : 
    3389             : static int kf_low_motion_minq_10[QINDEX_RANGE] = {
    3390             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3391             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3392             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3393             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 10, 11, 11, 11, 11,
    3394             :         11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 14,
    3395             :         14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16,
    3396             :         16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19,
    3397             :         19, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23,
    3398             :         23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28,
    3399             :         28, 29, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 34, 34,
    3400             :         34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41,
    3401             :         42, 42, 43, 44, 44, 45, 46, 46, 47, 47, 48, 49, 49, 50, 51,
    3402             :         51, 52, 53, 54, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
    3403             :         66, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 81, 83, 84, 86,
    3404             :         88, 90, 92, 94, 96, 98, 101, 104, 106, 108, 109, 111, 114, 115, 117,
    3405             :         119, 122, 123, 126, 128, 131, 134, 136, 139, 142, 145, 147, 150, 153, 156,
    3406             :         159, 162, 165, 168, 171, 174, 177, 180, 184, 187, 190, 194, 197, 202, 205,
    3407             :         208};
    3408             : 
    3409             : static int kf_high_motion_minq_10[QINDEX_RANGE] = {
    3410             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3411             :         0, 0, 0, 0, 0, 0, 11, 11, 11, 12, 13, 13, 14, 14, 15,
    3412             :         15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
    3413             :         22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 27, 28, 28, 29,
    3414             :         29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 35,
    3415             :         35, 35, 36, 36, 37, 37, 37, 38, 38, 39, 39, 39, 40, 40, 41,
    3416             :         41, 41, 42, 42, 42, 43, 43, 44, 45, 45, 46, 47, 48, 48, 49,
    3417             :         50, 50, 51, 52, 52, 53, 54, 54, 55, 56, 56, 57, 58, 58, 59,
    3418             :         60, 61, 62, 63, 64, 64, 66, 67, 67, 69, 69, 70, 71, 72, 73,
    3419             :         74, 75, 76, 77, 79, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91,
    3420             :         92, 94, 95, 96, 97, 97, 98, 99, 100, 101, 101, 102, 103, 104, 105,
    3421             :         105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 114, 115, 116, 117, 118,
    3422             :         119, 120, 121, 122, 123, 123, 124, 125, 125, 126, 128, 129, 129, 130, 131,
    3423             :         132, 133, 134, 135, 136, 137, 139, 139, 140, 141, 143, 143, 144, 146, 147,
    3424             :         147, 149, 150, 151, 152, 153, 155, 156, 158, 159, 160, 161, 163, 164, 166,
    3425             :         166, 168, 170, 171, 173, 174, 176, 178, 179, 181, 184, 185, 187, 189, 191,
    3426             :         193, 195, 197, 200, 201, 204, 206, 209, 212, 214, 216, 219, 222, 224, 227,
    3427             :         230};
    3428             : 
    3429             : static int arfgf_low_motion_minq_10[QINDEX_RANGE] = {
    3430             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3431             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10,
    3432             :         11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 16,
    3433             :         16, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20,
    3434             :         21, 21, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 24, 25,
    3435             :         25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 28, 28, 28, 28, 28,
    3436             :         29, 29, 29, 30, 30, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34,
    3437             :         35, 35, 36, 36, 37, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41,
    3438             :         41, 42, 42, 43, 44, 44, 45, 46, 46, 47, 48, 48, 49, 49, 50,
    3439             :         50, 51, 52, 52, 53, 54, 55, 56, 56, 57, 58, 59, 59, 60, 61,
    3440             :         62, 62, 63, 64, 65, 66, 67, 68, 69, 69, 70, 72, 72, 73, 74,
    3441             :         75, 77, 77, 78, 79, 80, 82, 83, 84, 85, 86, 87, 88, 90, 91,
    3442             :         92, 93, 94, 95, 96, 97, 98, 98, 99, 101, 101, 102, 103, 103, 104,
    3443             :         106, 106, 107, 108, 110, 110, 111, 113, 114, 114, 116, 117, 119, 120, 121,
    3444             :         122, 123, 125, 126, 128, 129, 131, 132, 133, 135, 136, 137, 139, 140, 142,
    3445             :         144, 145, 146, 148, 150, 152, 154, 156, 158, 160, 162, 164, 166, 169, 171,
    3446             :         173, 176, 178, 181, 184, 186, 189, 191, 194, 197, 200, 203, 206, 210, 213,
    3447             :         216};
    3448             : 
    3449             : static int arfgf_high_motion_minq_10[QINDEX_RANGE] = {
    3450             :         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3451             :         0, 0, 10, 11, 11, 12, 13, 13, 14, 14, 15, 16, 16, 17, 18,
    3452             :         18, 19, 19, 20, 20, 21, 22, 22, 23, 23, 24, 24, 25, 26, 26,
    3453             :         27, 27, 28, 28, 29, 30, 30, 30, 31, 32, 32, 33, 33, 34, 34,
    3454             :         35, 35, 36, 36, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41, 42,
    3455             :         42, 42, 43, 44, 44, 44, 45, 45, 46, 46, 47, 47, 48, 48, 49,
    3456             :         49, 50, 50, 51, 51, 52, 52, 53, 54, 55, 56, 57, 58, 59, 60,
    3457             :         60, 61, 62, 63, 64, 65, 66, 67, 67, 68, 69, 70, 71, 72, 72,
    3458             :         73, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 89, 90, 91,
    3459             :         92, 94, 95, 96, 97, 98, 99, 99, 100, 101, 102, 103, 104, 105, 105,
    3460             :         106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 120, 121,
    3461             :         121, 122, 123, 124, 125, 125, 126, 127, 128, 129, 130, 130, 131, 132, 133,
    3462             :         134, 135, 136, 137, 138, 139, 140, 140, 141, 142, 144, 145, 145, 146, 147,
    3463             :         148, 149, 151, 152, 152, 153, 155, 156, 156, 157, 159, 160, 161, 163, 163,
    3464             :         164, 166, 167, 169, 170, 170, 172, 173, 175, 176, 178, 179, 181, 181, 183,
    3465             :         184, 186, 188, 189, 191, 192, 194, 196, 197, 199, 201, 202, 204, 206, 209,
    3466             :         210, 212, 214, 217, 218, 220, 223, 225, 228, 230, 232, 234, 237, 240, 242,
    3467             :         245};
    3468             : /*
    3469             : static int inter_minq_10[QINDEX_RANGE] = {
    3470             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 11, 12, 13,
    3471             :                 14, 15, 16, 17, 18, 19, 20, 20, 21, 22, 23, 24, 25, 26, 27,
    3472             :                 28, 29, 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 39, 39, 40,
    3473             :                 41, 42, 43, 44, 44, 45, 46, 47, 48, 49, 50, 51, 51, 52, 53,
    3474             :                 54, 55, 56, 57, 58, 58, 59, 60, 61, 62, 62, 63, 64, 65, 66,
    3475             :                 67, 68, 69, 69, 70, 71, 72, 73, 73, 74, 75, 76, 77, 78, 79,
    3476             :                 79, 80, 81, 82, 83, 84, 85, 87, 88, 90, 92, 93, 95, 96, 97,
    3477             :                 98, 99, 99, 100, 101, 102, 103, 104, 104, 105, 106, 107, 108, 109, 109,
    3478             :                 110, 111, 113, 114, 115, 116, 118, 119, 120, 121, 122, 123, 123, 124, 125,
    3479             :                 126, 127, 127, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140,
    3480             :                 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
    3481             :                 155, 156, 157, 158, 158, 160, 161, 161, 162, 163, 164, 165, 166, 167, 168,
    3482             :                 169, 170, 171, 172, 173, 174, 175, 176, 177, 177, 178, 179, 180, 181, 182,
    3483             :                 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 196,
    3484             :                 197, 199, 199, 200, 201, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212,
    3485             :                 213, 214, 215, 216, 218, 219, 220, 221, 222, 223, 225, 226, 227, 228, 230,
    3486             :                 231, 232, 234, 235, 236, 238, 239, 240, 242, 243, 245, 246, 248, 250, 251,
    3487             :                 253};
    3488             : 
    3489             : static int rtc_minq_10[QINDEX_RANGE] = {
    3490             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11,
    3491             :                 11, 12, 13, 13, 14, 15, 16, 16, 17, 18, 19, 19, 20, 21, 22,
    3492             :                 22, 23, 24, 24, 25, 26, 27, 28, 28, 29, 29, 30, 31, 32, 32,
    3493             :                 33, 34, 34, 35, 36, 36, 37, 38, 38, 39, 40, 41, 41, 42, 42,
    3494             :                 43, 44, 44, 45, 46, 46, 47, 48, 48, 49, 50, 50, 51, 51, 52,
    3495             :                 53, 53, 54, 55, 55, 56, 56, 57, 58, 58, 59, 60, 60, 61, 62,
    3496             :                 62, 63, 63, 64, 64, 65, 67, 68, 69, 70, 71, 72, 74, 75, 76,
    3497             :                 77, 78, 80, 81, 82, 83, 84, 86, 87, 88, 89, 90, 91, 93, 94,
    3498             :                 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 105, 106, 107, 108,
    3499             :                 109, 110, 111, 112, 113, 114, 116, 117, 118, 119, 120, 121, 122, 123, 124,
    3500             :                 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
    3501             :                 139, 140, 141, 142, 143, 144, 144, 145, 146, 147, 148, 149, 150, 151, 152,
    3502             :                 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 163, 164, 165, 166,
    3503             :                 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181,
    3504             :                 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196,
    3505             :                 198, 199, 200, 201, 202, 203, 205, 206, 207, 208, 210, 211, 212, 214, 215,
    3506             :                 216, 218, 219, 221, 222, 224, 225, 227, 229, 230, 232, 234, 235, 237, 239,
    3507             :                 241};
    3508             : */
    3509             : 
    3510             : static int kf_low_motion_minq_12[QINDEX_RANGE] = {
    3511             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3512             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3513             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3514             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 13, 13, 13,
    3515             :                 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16,
    3516             :                 16, 16, 16, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18,
    3517             :                 18, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21,
    3518             :                 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25,
    3519             :                 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30,
    3520             :                 30, 31, 31, 31, 32, 32, 33, 33, 33, 34, 34, 35, 35, 35, 36,
    3521             :                 36, 37, 37, 38, 38, 39, 39, 39, 40, 40, 41, 41, 42, 42, 43,
    3522             :                 44, 44, 45, 45, 46, 46, 47, 48, 48, 49, 49, 50, 51, 51, 52,
    3523             :                 53, 53, 54, 55, 56, 56, 57, 58, 59, 59, 60, 61, 62, 63, 64,
    3524             :                 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80,
    3525             :                 82, 83, 85, 86, 88, 90, 91, 93, 95, 96, 97, 99, 100, 101, 102,
    3526             :                 104, 105, 106, 108, 110, 111, 113, 115, 117, 119, 121, 122, 124, 126, 128,
    3527             :                 130, 132, 134, 136, 138, 140, 142, 144, 147, 149, 152, 154, 156, 159, 161,
    3528             :                 163};
    3529             : 
    3530             : static int kf_high_motion_minq_12[QINDEX_RANGE] = {
    3531             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3532             :                 0, 0, 0, 0, 0, 0, 0, 0, 13, 14, 14, 15, 15, 16, 16,
    3533             :                 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 23,
    3534             :                 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 28, 29, 29, 30, 30,
    3535             :                 31, 31, 31, 32, 32, 33, 33, 33, 34, 34, 35, 35, 35, 36, 36,
    3536             :                 37, 37, 37, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42,
    3537             :                 42, 43, 43, 43, 44, 44, 45, 45, 46, 47, 47, 48, 49, 49, 50,
    3538             :                 51, 51, 52, 53, 53, 54, 55, 55, 56, 57, 57, 58, 59, 59, 60,
    3539             :                 61, 62, 63, 64, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
    3540             :                 75, 76, 77, 78, 79, 80, 82, 83, 84, 85, 86, 88, 89, 90, 91,
    3541             :                 92, 94, 95, 96, 97, 98, 98, 99, 100, 101, 101, 102, 103, 104, 105,
    3542             :                 106, 107, 107, 108, 109, 110, 111, 112, 113, 114, 115, 115, 116, 117, 118,
    3543             :                 119, 120, 121, 122, 123, 123, 124, 125, 125, 126, 127, 128, 128, 129, 130,
    3544             :                 131, 132, 132, 133, 134, 135, 136, 137, 137, 138, 139, 139, 140, 141, 142,
    3545             :                 142, 143, 144, 145, 145, 146, 147, 148, 149, 150, 151, 151, 152, 153, 154,
    3546             :                 155, 155, 156, 157, 158, 159, 160, 161, 162, 163, 165, 166, 167, 168, 170,
    3547             :                 171, 172, 173, 175, 176, 178, 179, 181, 183, 184, 186, 188, 190, 191, 193,
    3548             :                 195};
    3549             : 
    3550             : static int arfgf_low_motion_minq_12[QINDEX_RANGE] = {
    3551             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3552             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3553             :                 0, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17,
    3554             :                 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22,
    3555             :                 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 26,
    3556             :                 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30,
    3557             :                 31, 31, 31, 31, 32, 32, 32, 33, 33, 34, 34, 35, 35, 35, 36,
    3558             :                 36, 37, 37, 38, 38, 39, 39, 39, 40, 40, 41, 41, 42, 42, 42,
    3559             :                 43, 43, 44, 45, 45, 46, 46, 47, 48, 48, 49, 49, 50, 51, 51,
    3560             :                 52, 52, 53, 54, 54, 55, 56, 57, 57, 58, 59, 60, 60, 61, 62,
    3561             :                 63, 63, 64, 65, 66, 67, 68, 69, 70, 70, 71, 72, 73, 74, 75,
    3562             :                 76, 77, 78, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89, 90, 91,
    3563             :                 92, 94, 95, 96, 96, 97, 98, 98, 99, 100, 100, 101, 102, 102, 103,
    3564             :                 104, 105, 105, 106, 107, 108, 108, 109, 110, 111, 111, 112, 113, 114, 115,
    3565             :                 115, 116, 117, 118, 119, 120, 121, 122, 122, 123, 124, 124, 125, 126, 127,
    3566             :                 128, 129, 129, 130, 131, 132, 134, 135, 136, 137, 138, 139, 141, 142, 143,
    3567             :                 144, 146, 147, 149, 151, 152, 154, 155, 157, 159, 161, 163, 165, 167, 169,
    3568             :                 171};
    3569             : 
    3570             : static int arfgf_high_motion_minq_12[QINDEX_RANGE] = {
    3571             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3572             :                 0, 0, 0, 0, 0, 13, 14, 14, 15, 16, 16, 17, 17, 18, 19,
    3573             :                 19, 20, 20, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 27,
    3574             :                 28, 28, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35,
    3575             :                 36, 36, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43,
    3576             :                 43, 44, 44, 45, 45, 46, 46, 47, 47, 48, 48, 49, 49, 49, 50,
    3577             :                 50, 51, 51, 52, 52, 53, 53, 54, 55, 56, 57, 58, 59, 59, 60,
    3578             :                 61, 62, 63, 64, 65, 65, 66, 67, 68, 69, 70, 71, 71, 72, 73,
    3579             :                 74, 75, 77, 78, 79, 80, 82, 83, 84, 85, 87, 88, 89, 90, 92,
    3580             :                 93, 94, 95, 96, 97, 98, 99, 100, 101, 101, 102, 103, 104, 105, 106,
    3581             :                 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121,
    3582             :                 122, 122, 123, 124, 125, 125, 126, 127, 128, 129, 130, 131, 132, 132, 133,
    3583             :                 134, 135, 136, 137, 138, 139, 140, 140, 141, 142, 143, 144, 144, 145, 146,
    3584             :                 147, 148, 149, 150, 150, 151, 152, 153, 154, 154, 155, 156, 157, 158, 158,
    3585             :                 159, 160, 161, 162, 163, 163, 164, 165, 166, 167, 168, 169, 170, 170, 171,
    3586             :                 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 187,
    3587             :                 188, 189, 190, 192, 193, 194, 196, 197, 199, 200, 202, 203, 205, 207, 208,
    3588             :                 210};
    3589             : 
    3590             : /*
    3591             : static int inter_minq_12[QINDEX_RANGE] = {
    3592             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13,
    3593             :                 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 25, 26, 27,
    3594             :                 28, 29, 30, 31, 32, 32, 33, 34, 35, 36, 37, 38, 39, 40, 40,
    3595             :                 41, 42, 43, 44, 45, 46, 47, 47, 48, 49, 50, 51, 52, 53, 53,
    3596             :                 54, 55, 56, 57, 58, 59, 59, 60, 61, 62, 63, 64, 65, 65, 66,
    3597             :                 67, 68, 69, 70, 70, 71, 72, 73, 74, 75, 76, 76, 77, 78, 79,
    3598             :                 80, 80, 81, 82, 83, 84, 85, 87, 89, 90, 92, 93, 95, 96, 97,
    3599             :                 98, 99, 99, 100, 101, 102, 103, 104, 104, 105, 106, 107, 108, 109, 109,
    3600             :                 110, 111, 113, 114, 115, 116, 118, 119, 120, 121, 122, 123, 123, 124, 125,
    3601             :                 126, 127, 127, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140,
    3602             :                 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154,
    3603             :                 155, 156, 157, 158, 158, 160, 161, 161, 162, 163, 164, 165, 166, 167, 168,
    3604             :                 169, 170, 171, 172, 173, 174, 175, 176, 177, 177, 178, 179, 180, 181, 182,
    3605             :                 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 196,
    3606             :                 197, 199, 199, 200, 201, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212,
    3607             :                 213, 214, 215, 216, 217, 219, 220, 221, 222, 223, 225, 226, 227, 228, 230,
    3608             :                 231, 232, 234, 235, 236, 238, 239, 240, 242, 243, 245, 246, 248, 250, 251,
    3609             :                 253};
    3610             : 
    3611             : static int rtc_minq_12[QINDEX_RANGE] = {
    3612             :                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    3613             :                 0, 0, 13, 14, 15, 16, 16, 17, 18, 19, 19, 20, 21, 22, 22,
    3614             :                 23, 24, 25, 25, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33,
    3615             :                 34, 34, 35, 36, 37, 37, 38, 39, 39, 40, 41, 41, 42, 43, 43,
    3616             :                 44, 45, 45, 46, 46, 47, 48, 48, 49, 50, 50, 51, 52, 52, 53,
    3617             :                 54, 54, 55, 55, 56, 57, 57, 58, 58, 59, 60, 60, 61, 62, 62,
    3618             :                 63, 63, 64, 65, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76,
    3619             :                 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94,
    3620             :                 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 107, 108,
    3621             :                 109, 110, 111, 112, 113, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124,
    3622             :                 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
    3623             :                 139, 140, 141, 142, 143, 144, 145, 146, 146, 147, 148, 149, 150, 151, 152,
    3624             :                 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 163, 164, 165, 166,
    3625             :                 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181,
    3626             :                 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196,
    3627             :                 197, 199, 200, 201, 202, 203, 205, 206, 207, 208, 210, 211, 212, 214, 215,
    3628             :                 216, 218, 219, 221, 222, 224, 225, 227, 229, 230, 232, 234, 235, 237, 239,
    3629             :                 241};
    3630             : */
    3631             : 
    3632             : static int gf_high = 2000;
    3633             : static int gf_low = 400;
    3634             : static int kf_high = 5000;
    3635             : static int kf_low = 400;
    3636             : 
    3637         104 : static int get_active_quality(int q, int gfu_boost, int low, int high,
    3638             :     int *low_motion_minq, int *high_motion_minq) {
    3639         104 :     if (gfu_boost > high)
    3640           0 :         return low_motion_minq[q];
    3641         104 :     else if (gfu_boost < low)
    3642           0 :         return high_motion_minq[q];
    3643             :     else {
    3644         104 :         const int gap = high - low;
    3645         104 :         const int offset = high - gfu_boost;
    3646         104 :         const int qdiff = high_motion_minq[q] - low_motion_minq[q];
    3647         104 :         const int adjustment = ((offset * qdiff) + (gap >> 1)) / gap;
    3648         104 :         return low_motion_minq[q] + adjustment;
    3649             :     }
    3650             : }
    3651             : 
    3652         100 : static int get_kf_active_quality(const RATE_CONTROL *const rc, int q,
    3653             :     AomBitDepth bit_depth) {
    3654             :     int *kf_low_motion_minq;
    3655             :     int *kf_high_motion_minq;
    3656         100 :     ASSIGN_MINQ_TABLE(bit_depth, kf_low_motion_minq);
    3657         100 :     ASSIGN_MINQ_TABLE(bit_depth, kf_high_motion_minq);
    3658         100 :     return get_active_quality(q, rc->kf_boost, kf_low, kf_high,
    3659             :         kf_low_motion_minq, kf_high_motion_minq);
    3660             : }
    3661             : 
    3662           4 : static int get_gf_active_quality(const RATE_CONTROL *const rc, int q,
    3663             :     AomBitDepth bit_depth) {
    3664             :     int *arfgf_low_motion_minq;
    3665             :     int *arfgf_high_motion_minq;
    3666           4 :     ASSIGN_MINQ_TABLE(bit_depth, arfgf_low_motion_minq);
    3667           4 :     ASSIGN_MINQ_TABLE(bit_depth, arfgf_high_motion_minq);
    3668           4 :     return get_active_quality(q, rc->gfu_boost, gf_low, gf_high,
    3669             :         arfgf_low_motion_minq, arfgf_high_motion_minq);
    3670             : }
    3671             : 
    3672           4 : static int get_gf_high_motion_quality(int q, AomBitDepth bit_depth) {
    3673             :     int *arfgf_high_motion_minq;
    3674           4 :     ASSIGN_MINQ_TABLE(bit_depth, arfgf_high_motion_minq);
    3675           4 :     return arfgf_high_motion_minq[q];
    3676             : }
    3677             : #if TWO_PASS
    3678             : /******************************************************
    3679             :  * adaptive_qindex_calc_two_pass
    3680             :  * assigns the q_index per frame using average reference area per frame.
    3681             :  * used in the second pass of two pass encoding
    3682             :  ******************************************************/
    3683           0 : static int adaptive_qindex_calc_two_pass(
    3684             :     PictureControlSet         *picture_control_set_ptr,
    3685             :     RATE_CONTROL              *rc,
    3686             :     int                        qindex) {
    3687             : 
    3688           0 :     SequenceControlSet        *sequence_control_set_ptr = picture_control_set_ptr->parent_pcs_ptr->sequence_control_set_ptr;
    3689             : #if !TWO_PASS_IMPROVEMENT
    3690             :     const Av1Common  *const cm = picture_control_set_ptr->parent_pcs_ptr->av1_cm;
    3691             : #endif
    3692           0 :     const int cq_level = qindex;
    3693           0 :     int active_best_quality = 0;
    3694           0 :     int active_worst_quality = qindex;
    3695           0 :     rc->arf_q = 0;
    3696             :     int q;
    3697             :     int is_src_frame_alt_ref, refresh_golden_frame, refresh_alt_ref_frame, is_intrl_arf_boost, rf_level, update_type;
    3698           0 :     is_src_frame_alt_ref = 0;
    3699           0 :     refresh_golden_frame = frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr) ? 1 : 0;
    3700           0 :     refresh_alt_ref_frame = (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0) ? 1 : 0;
    3701           0 :     is_intrl_arf_boost = (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index > 0 && picture_control_set_ptr->parent_pcs_ptr->is_used_as_reference_flag) ? 1 : 0;
    3702           0 :     rf_level = (frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr)) ? KF_STD :
    3703           0 :         (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0) ? GF_ARF_STD :
    3704           0 :         picture_control_set_ptr->parent_pcs_ptr->is_used_as_reference_flag ? GF_ARF_LOW : INTER_NORMAL;
    3705             : 
    3706           0 :     update_type = (frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr)) ? KF_UPDATE :
    3707           0 :         (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0) ? ARF_UPDATE :
    3708           0 :         picture_control_set_ptr->parent_pcs_ptr->is_used_as_reference_flag ? INTNL_ARF_UPDATE : LF_UPDATE;
    3709           0 :     const int bit_depth = sequence_control_set_ptr->static_config.encoder_bit_depth;
    3710             :     // Since many frames can be processed at the same time, storing/using arf_q in rc param is not sufficient and will create a run to run.
    3711             :     // So, for each frame, arf_q is updated based on the qp of its references.
    3712           0 :     rc->arf_q = MAX(rc->arf_q, ((picture_control_set_ptr->ref_pic_qp_array[0][0] << 2) + 2));
    3713           0 :     if (picture_control_set_ptr->slice_type == B_SLICE)
    3714           0 :         rc->arf_q = MAX(rc->arf_q, ((picture_control_set_ptr->ref_pic_qp_array[1][0] << 2) + 2));
    3715           0 :     uint64_t referenced_area_avg = picture_control_set_ptr->parent_pcs_ptr->referenced_area_avg;
    3716           0 :     uint64_t referenced_area_max = 64;
    3717             : 
    3718           0 :     if (frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr)) {
    3719             :         // Not forced keyframe.
    3720           0 :         double q_adj_factor = 1.0;
    3721             :         double q_val;
    3722           0 :         rc->worst_quality = MAXQ;
    3723           0 :         rc->best_quality = MINQ;
    3724           0 :         referenced_area_max = MAX_REF_AREA_I;
    3725             : 
    3726           0 :         if (referenced_area_avg <= 16)
    3727           0 :             referenced_area_avg = 0;
    3728             :         // cross multiplication to derive kf_boost from referenced area; kf_boost range is [kf_low,kf_high], and referenced range [0,referenced_area_max]
    3729           0 :         rc->kf_boost = (int)((referenced_area_avg  * (kf_high - kf_low)) / referenced_area_max) + kf_low;
    3730             :         // Baseline value derived from cpi->active_worst_quality and kf boost.
    3731             :         active_best_quality =
    3732           0 :             get_kf_active_quality(rc, active_worst_quality, bit_depth);
    3733             : #if !TWO_PASS_IMPROVEMENT
    3734             :         // Allow somewhat lower kf minq with small image formats.
    3735             :         if ((cm->frm_size.frame_width * cm->frm_size.frame_height) <= (352 * 288))
    3736             :             q_adj_factor -= 0.25;
    3737             : #endif
    3738             :         // Make a further adjustment based on the kf zero motion measure.
    3739           0 :         q_adj_factor += 0.05 - (0.001 * (double)picture_control_set_ptr->parent_pcs_ptr->kf_zeromotion_pct/*(double)cpi->twopass.kf_zeromotion_pct*/);
    3740             : 
    3741             :         // Convert the adjustment factor to a qindex delta
    3742             :         // on active_best_quality.
    3743           0 :         q_val = eb_av1_convert_qindex_to_q(active_best_quality, bit_depth);
    3744           0 :         active_best_quality +=
    3745           0 :             eb_av1_compute_qdelta(q_val, q_val * q_adj_factor, bit_depth);
    3746             :     }
    3747           0 :     else if (!is_src_frame_alt_ref &&
    3748           0 :         (refresh_golden_frame || is_intrl_arf_boost ||
    3749             :             refresh_alt_ref_frame)) {
    3750             : 
    3751           0 :         referenced_area_max = sequence_control_set_ptr->input_resolution < 2 ? MAX_REF_AREA_NONI_LOW_RES :
    3752           0 :             ((int)referenced_area_avg - (int)picture_control_set_ptr->ref_pic_referenced_area_avg_array[0][0] >= REF_AREA_DIF_THRESHOLD) ?
    3753             :             MAX_REF_AREA_NONI_LOW_RES : MAX_REF_AREA_NONI;
    3754             : 
    3755             :         // Clip the complexity of highly complex pictures to maximum.
    3756           0 :         if (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity > HIGH_QPS_COMP_THRESHOLD)
    3757           0 :             referenced_area_avg = 0;
    3758             : 
    3759           0 :         rc->arf_boost_factor =
    3760           0 :             ((int)referenced_area_avg - (int)picture_control_set_ptr->ref_pic_referenced_area_avg_array[0][0] >= REF_AREA_DIF_THRESHOLD
    3761           0 :             && referenced_area_avg > 20 && picture_control_set_ptr->ref_pic_referenced_area_avg_array[0][0] <= 20) ? (float_t)1.3 : (float_t)1;
    3762           0 :         rc->gfu_boost = (int)(((referenced_area_avg)  * (gf_high - gf_low)) / referenced_area_max) + gf_low;
    3763           0 :         q = active_worst_quality;
    3764             : 
    3765             :         // non ref frame or repeated frames with re-encode
    3766           0 :         if (!refresh_alt_ref_frame && !is_intrl_arf_boost)
    3767           0 :             active_best_quality = cq_level;
    3768             :         else {
    3769             :             // base layer
    3770           0 :             if (update_type == ARF_UPDATE) {
    3771           0 :                 active_best_quality = get_gf_active_quality(rc, q, bit_depth);
    3772           0 :                 rc->arf_q = active_best_quality;
    3773           0 :                 const int min_boost = get_gf_high_motion_quality(q, bit_depth);
    3774           0 :                 const int boost = min_boost - active_best_quality;
    3775             : 
    3776           0 :                 active_best_quality = min_boost - (int)(boost * rc->arf_boost_factor);
    3777           0 :                 if (picture_control_set_ptr->parent_pcs_ptr->sad_me / picture_control_set_ptr->sb_total_count / 256 < ME_SAD_LOW_THRESHOLD1)
    3778           0 :                     active_best_quality = active_best_quality * 130 / 100;
    3779           0 :                 else if (picture_control_set_ptr->parent_pcs_ptr->sad_me / picture_control_set_ptr->sb_total_count / 256 < ME_SAD_LOW_THRESHOLD2)
    3780           0 :                     active_best_quality = active_best_quality * 115 / 100;
    3781             :             }
    3782             :             else
    3783           0 :                 active_best_quality = rc->arf_q;
    3784             :             // active_best_quality is updated with the q index of the reference
    3785           0 :             if (rf_level == GF_ARF_LOW)
    3786           0 :                 active_best_quality = (active_best_quality + cq_level + 1) / 2;
    3787             :         }
    3788             :     }
    3789             :     else
    3790           0 :         active_best_quality = cq_level;
    3791           0 :     q = active_best_quality;
    3792           0 :     clamp(q, active_best_quality, active_worst_quality);
    3793             : 
    3794           0 :     return q;
    3795             : }
    3796             : #endif
    3797         106 : static int adaptive_qindex_calc(
    3798             :     PictureControlSet         *picture_control_set_ptr,
    3799             :     RATE_CONTROL                *rc,
    3800             :     int                          qindex) {
    3801         106 :     SequenceControlSet        *sequence_control_set_ptr = picture_control_set_ptr->parent_pcs_ptr->sequence_control_set_ptr;
    3802         106 :     const Av1Common  *const cm = picture_control_set_ptr->parent_pcs_ptr->av1_cm;
    3803             : 
    3804         106 :     const int cq_level = qindex;
    3805         106 :     int active_best_quality = 0;
    3806         106 :     int active_worst_quality = qindex;
    3807         106 :     rc->arf_q = 0;
    3808             :     int q;
    3809             :     int is_src_frame_alt_ref, refresh_golden_frame, refresh_alt_ref_frame, is_intrl_arf_boost, rf_level, update_type;
    3810         106 :     is_src_frame_alt_ref = 0;
    3811         106 :     refresh_golden_frame = frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr) ? 1 : 0;
    3812         106 :     refresh_alt_ref_frame = (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0) ? 1 : 0;
    3813         106 :     is_intrl_arf_boost = (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index > 0 && picture_control_set_ptr->parent_pcs_ptr->is_used_as_reference_flag) ? 1 : 0;
    3814         208 :     rf_level = (frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr)) ? KF_STD :
    3815         200 :         (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0) ? GF_ARF_STD :
    3816          98 :         picture_control_set_ptr->parent_pcs_ptr->is_used_as_reference_flag ? GF_ARF_LOW : INTER_NORMAL;
    3817             : 
    3818         208 :     update_type = (frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr)) ? KF_UPDATE :
    3819         200 :         (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0) ? ARF_UPDATE :
    3820          98 :         picture_control_set_ptr->parent_pcs_ptr->is_used_as_reference_flag ? INTNL_ARF_UPDATE : LF_UPDATE;
    3821         106 :     const int bit_depth = sequence_control_set_ptr->static_config.encoder_bit_depth;
    3822             :     // Since many frames can be processed at the same time, storing/using arf_q in rc param is not sufficient and will create a run to run.
    3823             :     // So, for each frame, arf_q is updated based on the qp of its references.
    3824         106 :     if (picture_control_set_ptr->ref_slice_type_array[0][0] != I_SLICE)
    3825          86 :         rc->arf_q = MAX(rc->arf_q, ((picture_control_set_ptr->ref_pic_qp_array[0][0] << 2) + 2));
    3826         106 :     if ((picture_control_set_ptr->slice_type == B_SLICE) && (picture_control_set_ptr->ref_slice_type_array[1][0] != I_SLICE))
    3827          90 :         rc->arf_q = MAX(rc->arf_q, ((picture_control_set_ptr->ref_pic_qp_array[1][0] << 2) + 2));
    3828         106 :     if (frame_is_intra_only(picture_control_set_ptr->parent_pcs_ptr)) {
    3829             :         // Not forced keyframe.
    3830           4 :         double q_adj_factor = 1.0;
    3831             :         double q_val;
    3832             : 
    3833           4 :         rc->worst_quality = MAXQ;
    3834           4 :         rc->best_quality = MINQ;
    3835           4 :         int max_qp_scaling_avg_comp_I = sequence_control_set_ptr->input_resolution < 2 ? MAX_QPS_COMP_I_LR :
    3836           0 :             picture_control_set_ptr->parent_pcs_ptr->sc_content_detected ? (MAX_QPS_COMP_I >> 1) : (MAX_QPS_COMP_I);
    3837             : 
    3838             :         // Clip the complexity of highly complex pictures to maximum.
    3839           4 :         if (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity > HIGH_QPS_COMP_THRESHOLD)
    3840           0 :             picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity = max_qp_scaling_avg_comp_I;
    3841             :         // For the low filtered ALT_REF pictures (next ALT_REF) where complexity is low and picture is static, decrease the complexity/QP of the I_SLICE.
    3842             :         // The improved area will be propagated to future frames
    3843           4 :         if (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity <= LOW_QPS_COMP_THRESHOLD &&
    3844           2 :             picture_control_set_ptr->parent_pcs_ptr->filtered_sse < LOW_FILTERED_THRESHOLD && picture_control_set_ptr->parent_pcs_ptr->filtered_sse_uv < LOW_FILTERED_THRESHOLD &&
    3845           2 :             picture_control_set_ptr->parent_pcs_ptr->kf_zeromotion_pct > STATIC_KF_GROUP_THRESH)
    3846           0 :             picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity >>= 1;
    3847             :         // For the highly filtered ALT_REF pictures (next ALT_REF), increase the complexity/QP of the I_SLICE to save on rate
    3848           4 :         if (picture_control_set_ptr->parent_pcs_ptr->filtered_sse + picture_control_set_ptr->parent_pcs_ptr->filtered_sse_uv >= (7 << 8))
    3849           0 :             picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity = max_qp_scaling_avg_comp_I;
    3850           4 :         picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity = MIN(max_qp_scaling_avg_comp_I, picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity);
    3851             : 
    3852             :         // cross multiplication to derive kf_boost from non_moving_average_score; kf_boost range is [kf_low,kf_high], and non_moving_average_score range [0,max_qp_scaling_avg_comp_I]
    3853           4 :         rc->kf_boost = (((max_qp_scaling_avg_comp_I - (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity))  * (kf_high - kf_low)) / max_qp_scaling_avg_comp_I) + kf_low;
    3854             :         // Baseline value derived from cpi->active_worst_quality and kf boost.
    3855             :         active_best_quality =
    3856           4 :             get_kf_active_quality(rc, active_worst_quality, bit_depth);
    3857             :         // Allow somewhat lower kf minq with small image formats.
    3858           4 :         if ((cm->frm_size.frame_width * cm->frm_size.frame_height) <= (352 * 288))
    3859           0 :             q_adj_factor -= 0.25;
    3860             :         // Make a further adjustment based on the kf zero motion measure.
    3861           4 :         q_adj_factor += 0.05 - (0.001 * (double)picture_control_set_ptr->parent_pcs_ptr->kf_zeromotion_pct/*(double)cpi->twopass.kf_zeromotion_pct*/);
    3862             : 
    3863             :         // Convert the adjustment factor to a qindex delta
    3864             :         // on active_best_quality.
    3865           4 :         q_val = eb_av1_convert_qindex_to_q(active_best_quality, bit_depth);
    3866           4 :         active_best_quality +=
    3867           4 :             eb_av1_compute_qdelta(q_val, q_val * q_adj_factor, bit_depth);
    3868             :     }
    3869         102 :     else if (!is_src_frame_alt_ref &&
    3870         102 :         (refresh_golden_frame || is_intrl_arf_boost ||
    3871             :             refresh_alt_ref_frame)) {
    3872             :         // Clip the complexity of highly complex pictures to maximum.
    3873          57 :         if (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity > HIGH_QPS_COMP_THRESHOLD)
    3874           0 :             picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity = MAX_QPS_COMP_NONI;
    3875          57 :         rc->gfu_boost = (((MAX_QPS_COMP_NONI - (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity))  * (gf_high - gf_low)) / MAX_QPS_COMP_NONI) + gf_low;
    3876             :         // For the highly filtered ALT_REF pictures or where complexity is medium or picture is medium moving, add a boost to decrease the QP of the ALT_REF.
    3877             :         // The improved area will be propagated to future frames
    3878          29 :         rc->arf_boost_factor = (picture_control_set_ptr->parent_pcs_ptr->qp_scaling_average_complexity > LOW_QPS_COMP_THRESHOLD || picture_control_set_ptr->parent_pcs_ptr->kf_zeromotion_pct < MEDIUM_MOVING_KF_GROUP_THRESH || picture_control_set_ptr->parent_pcs_ptr->filtered_sse >= HIGH_FILTERED_THRESHOLD) ?
    3879          86 :             (float_t)1.3 : 1;
    3880          57 :         q = active_worst_quality;
    3881             : 
    3882             :         // non ref frame or repeated frames with re-encode
    3883          57 :         if (!refresh_alt_ref_frame && !is_intrl_arf_boost)
    3884           0 :             active_best_quality = cq_level;
    3885             :         else {
    3886             :             // base layer
    3887          57 :             if (update_type == ARF_UPDATE) {
    3888           4 :                 active_best_quality = get_gf_active_quality(rc, q, bit_depth);
    3889             :                 //*arf_q = active_best_quality;
    3890           4 :                 rc->arf_q = active_best_quality;
    3891           4 :                 const int min_boost = get_gf_high_motion_quality(q, bit_depth);
    3892           4 :                 const int boost = min_boost - active_best_quality;
    3893             : 
    3894           4 :                 active_best_quality = min_boost - (int)(boost * rc->arf_boost_factor);
    3895             :             }
    3896             :             else
    3897          53 :                 active_best_quality = rc->arf_q;
    3898             :             // active_best_quality is updated with the q index of the reference
    3899          57 :             if (rf_level == GF_ARF_LOW)
    3900          53 :                 active_best_quality = (active_best_quality + cq_level + 1) / 2;
    3901             :         }
    3902             :     }
    3903             :     else
    3904          45 :         active_best_quality = cq_level;
    3905         106 :     q = active_best_quality;
    3906         106 :     clamp(q, active_best_quality, active_worst_quality);
    3907             : 
    3908         106 :     return q;
    3909             : }
    3910             : #if TWO_PASS
    3911             : /******************************************************
    3912             :  * sb_qp_derivation_two_pass
    3913             :  * Calculates the QP per SB based on the referenced area
    3914             :  * used in the second pass of two pass encoding
    3915             :  ******************************************************/
    3916           0 : static void sb_qp_derivation_two_pass(
    3917             :     PictureControlSet         *picture_control_set_ptr) {
    3918             : 
    3919           0 :     SequenceControlSet        *sequence_control_set_ptr = picture_control_set_ptr->parent_pcs_ptr->sequence_control_set_ptr;
    3920             :     LargestCodingUnit         *sb_ptr;
    3921             :     uint32_t                  sb_addr;
    3922             : 
    3923           0 :     picture_control_set_ptr->parent_pcs_ptr->average_qp = 0;
    3924           0 :     if (sequence_control_set_ptr->use_input_stat_file && picture_control_set_ptr->temporal_layer_index <= 0)
    3925           0 :         picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present = 1;
    3926             :     else
    3927           0 :         picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present = 0;
    3928             : 
    3929           0 :     if (picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present) {
    3930           0 :         const int bit_depth = sequence_control_set_ptr->static_config.encoder_bit_depth;
    3931           0 :         int active_worst_quality = quantizer_to_qindex[(uint8_t)sequence_control_set_ptr->qp];
    3932             :         int *kf_low_motion_minq;
    3933             :         int *kf_high_motion_minq;
    3934           0 :         ASSIGN_MINQ_TABLE(bit_depth, kf_low_motion_minq);
    3935           0 :         ASSIGN_MINQ_TABLE(bit_depth, kf_high_motion_minq);
    3936             : 
    3937           0 :         uint32_t me_sb_size = sequence_control_set_ptr->sb_sz;
    3938           0 :         uint32_t me_pic_width_in_sb = (sequence_control_set_ptr->seq_header.max_frame_width + sequence_control_set_ptr->sb_sz - 1) / me_sb_size;
    3939           0 :         uint32_t me_pic_height_in_sb = (sequence_control_set_ptr->seq_header.max_frame_height + me_sb_size - 1) / me_sb_size;
    3940             : 
    3941             :         int *arfgf_low_motion_minq;
    3942             :         int *arfgf_high_motion_minq;
    3943           0 :         ASSIGN_MINQ_TABLE(bit_depth, arfgf_low_motion_minq);
    3944           0 :         ASSIGN_MINQ_TABLE(bit_depth, arfgf_high_motion_minq);
    3945             : 
    3946           0 :         int max_delta_qp = (picture_control_set_ptr->slice_type == 2) ?
    3947           0 :             ((kf_high_motion_minq[active_worst_quality] - kf_low_motion_minq[active_worst_quality] + 2) >> 2) / 2 :
    3948           0 :             ((arfgf_high_motion_minq[active_worst_quality] - arfgf_low_motion_minq[active_worst_quality] + 2) >> 2) / 2;
    3949             : 
    3950           0 :         for (sb_addr = 0; sb_addr < sequence_control_set_ptr->sb_tot_cnt; ++sb_addr) {
    3951           0 :             sb_ptr = picture_control_set_ptr->sb_ptr_array[sb_addr];
    3952           0 :             int delta_qp = 0;
    3953             :             uint16_t variance_sb;
    3954             :             uint32_t referenced_area_sb, me_distortion;
    3955             : 
    3956           0 :             if (sequence_control_set_ptr->seq_header.sb_size == BLOCK_128X128) {
    3957           0 :                 uint32_t me_sb_x = (sb_ptr->origin_x / me_sb_size);
    3958           0 :                 uint32_t me_sb_y = (sb_ptr->origin_y / me_sb_size);
    3959           0 :                 uint32_t me_sb_addr_0 = me_sb_x + me_sb_y * me_pic_width_in_sb;
    3960           0 :                 uint32_t me_sb_addr_1 = (me_sb_x + 1) < me_pic_width_in_sb ? (me_sb_x + 1) + ((me_sb_y + 0) * me_pic_width_in_sb) : me_sb_addr_0;
    3961           0 :                 uint32_t me_sb_addr_2 = (me_sb_y + 1) < me_pic_height_in_sb ? (me_sb_x + 0) + ((me_sb_y + 1) * me_pic_width_in_sb) : me_sb_addr_0;
    3962           0 :                 uint32_t me_sb_addr_3 = ((me_sb_x + 1) < me_pic_width_in_sb) && ((me_sb_y + 1) < me_pic_height_in_sb) ?
    3963           0 :                     (me_sb_x + 1) + ((me_sb_y + 1) * me_pic_width_in_sb) : me_sb_addr_0;
    3964             : 
    3965           0 :                 variance_sb =
    3966           0 :                     (picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_0][ME_TIER_ZERO_PU_64x64] +
    3967           0 :                         picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_1][ME_TIER_ZERO_PU_64x64] +
    3968           0 :                         picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_2][ME_TIER_ZERO_PU_64x64] +
    3969           0 :                         picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_3][ME_TIER_ZERO_PU_64x64] + 2) >> 2;
    3970             : 
    3971           0 :                 referenced_area_sb =
    3972           0 :                     (picture_control_set_ptr->parent_pcs_ptr->stat_struct.referenced_area[me_sb_addr_0]
    3973           0 :                         / sequence_control_set_ptr->sb_params_array[me_sb_addr_0].width / sequence_control_set_ptr->sb_params_array[me_sb_addr_0].height +
    3974           0 :                      picture_control_set_ptr->parent_pcs_ptr->stat_struct.referenced_area[me_sb_addr_1]
    3975           0 :                         / sequence_control_set_ptr->sb_params_array[me_sb_addr_1].width / sequence_control_set_ptr->sb_params_array[me_sb_addr_1].height +
    3976           0 :                      picture_control_set_ptr->parent_pcs_ptr->stat_struct.referenced_area[me_sb_addr_2]
    3977           0 :                         / sequence_control_set_ptr->sb_params_array[me_sb_addr_2].width / sequence_control_set_ptr->sb_params_array[me_sb_addr_2].height +
    3978           0 :                      picture_control_set_ptr->parent_pcs_ptr->stat_struct.referenced_area[me_sb_addr_3]
    3979           0 :                         / sequence_control_set_ptr->sb_params_array[me_sb_addr_3].width / sequence_control_set_ptr->sb_params_array[me_sb_addr_3].height + 2) >> 2;
    3980           0 :                  me_distortion =
    3981           0 :                     (picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[me_sb_addr_0] +
    3982           0 :                         picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[me_sb_addr_1] +
    3983           0 :                         picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[me_sb_addr_2] +
    3984           0 :                         picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[me_sb_addr_3] + 2) >> 2;
    3985           0 :                 me_distortion >>= 8;
    3986             :             }
    3987             :             else {
    3988           0 :                 variance_sb = picture_control_set_ptr->parent_pcs_ptr->variance[sb_addr][ME_TIER_ZERO_PU_64x64];
    3989           0 :                 referenced_area_sb = picture_control_set_ptr->parent_pcs_ptr->stat_struct.referenced_area[sb_addr]
    3990           0 :                     / sequence_control_set_ptr->sb_params_array[sb_addr].width / sequence_control_set_ptr->sb_params_array[sb_addr].height;
    3991           0 :                 me_distortion = picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[sb_addr] >> 8;
    3992             :             }
    3993           0 :             delta_qp = 0;
    3994             : 
    3995           0 :             if (picture_control_set_ptr->slice_type == 2) {
    3996           0 :                 referenced_area_sb = MIN(REF_AREA_MED_THRESHOLD + REF_AREA_LOW_THRESHOLD, referenced_area_sb);
    3997           0 :                 if (referenced_area_sb >= REF_AREA_MED_THRESHOLD)
    3998           0 :                     delta_qp = -(max_delta_qp * ((int)referenced_area_sb - REF_AREA_MED_THRESHOLD) / (REF_AREA_MED_THRESHOLD));
    3999             :                 else
    4000           0 :                     delta_qp = max_delta_qp;
    4001             : 
    4002           0 :                 if (delta_qp < 0 && variance_sb < IS_COMPLEX_LCU_FLAT_VARIANCE_TH)
    4003           0 :                     delta_qp = 0;
    4004             :             }
    4005           0 :             else if (picture_control_set_ptr->temporal_layer_index == 0) {
    4006           0 :                 if (referenced_area_sb < REF_AREA_LOW_THRESHOLD)
    4007           0 :                     delta_qp = max_delta_qp >> 1;
    4008             : #if !TWO_PASS_IMPROVEMENT
    4009             :                 else if (referenced_area_sb > MAX_REF_AREA_NONI_LOW_RES && me_distortion > ME_SAD_HIGH_THRESHOLD)
    4010             :                     delta_qp = -max_delta_qp >> 2;
    4011             : #endif
    4012             :             }
    4013             : 
    4014           0 :             if (picture_control_set_ptr->slice_type == 2)
    4015           0 :                 sb_ptr->qp = CLIP3(
    4016             :                     MIN(picture_control_set_ptr->parent_pcs_ptr->picture_qp, ((kf_low_motion_minq[active_worst_quality] + 2) >> 2)),
    4017             :                     MAX(picture_control_set_ptr->parent_pcs_ptr->picture_qp, ((kf_high_motion_minq[active_worst_quality] + 2) >> 2)) + 3,
    4018             :                     ((int16_t)picture_control_set_ptr->parent_pcs_ptr->picture_qp + (int16_t)delta_qp));
    4019             :             else
    4020           0 :                 sb_ptr->qp = CLIP3(
    4021             :                     MIN(picture_control_set_ptr->parent_pcs_ptr->picture_qp, ((arfgf_low_motion_minq[active_worst_quality] + 2) >> 2)) - 1,
    4022             :                     MAX(picture_control_set_ptr->parent_pcs_ptr->picture_qp, ((arfgf_high_motion_minq[active_worst_quality] + 2) >> 2)) + 3,
    4023             :                     ((int16_t)picture_control_set_ptr->parent_pcs_ptr->picture_qp + (int16_t)delta_qp));
    4024             : 
    4025           0 :             sb_ptr->qp = CLIP3(
    4026             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    4027             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
    4028             :                 sb_ptr->qp);
    4029           0 :             sb_ptr->delta_qp = (int)picture_control_set_ptr->parent_pcs_ptr->picture_qp - (int)sb_ptr->qp;
    4030           0 :             picture_control_set_ptr->parent_pcs_ptr->average_qp += sb_ptr->qp;
    4031             :         }
    4032             :     }
    4033             :     else {
    4034           0 :         for (sb_addr = 0; sb_addr < sequence_control_set_ptr->sb_tot_cnt; ++sb_addr) {
    4035           0 :             sb_ptr = picture_control_set_ptr->sb_ptr_array[sb_addr];
    4036           0 :             sb_ptr->qp = (uint8_t)picture_control_set_ptr->picture_qp;
    4037           0 :             sb_ptr->delta_qp = 0;
    4038           0 :             picture_control_set_ptr->parent_pcs_ptr->average_qp += sb_ptr->qp;
    4039             :         }
    4040             :     }
    4041           0 : }
    4042             : #endif
    4043             : // Calculates the QP per SB based on the non moving index. For now, only active for I Slice.
    4044         106 : static void sb_qp_derivation(
    4045             :     PictureControlSet         *picture_control_set_ptr) {
    4046             : 
    4047         106 :     SequenceControlSet        *sequence_control_set_ptr = picture_control_set_ptr->parent_pcs_ptr->sequence_control_set_ptr;
    4048             :     LargestCodingUnit         *sb_ptr;
    4049             :     uint32_t                  sb_addr;
    4050             :     RATE_CONTROL               rc;
    4051         106 :     picture_control_set_ptr->parent_pcs_ptr->average_qp = 0;
    4052             : #if TWO_PASS
    4053         106 :     if (picture_control_set_ptr->slice_type == 2)
    4054             : #else
    4055             :     if (sequence_control_set_ptr->static_config.enable_adaptive_quantization == 2 && picture_control_set_ptr->slice_type == 2 &&
    4056             :         picture_control_set_ptr->parent_pcs_ptr->frames_in_sw >= QPS_SW_THRESH && !picture_control_set_ptr->parent_pcs_ptr->sc_content_detected)
    4057             : #endif
    4058           4 :         picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present = 1;
    4059             :     else
    4060         102 :         picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present = 0;
    4061             : 
    4062         106 :     if (picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present) {
    4063           4 :         const int bit_depth = sequence_control_set_ptr->static_config.encoder_bit_depth;
    4064           4 :         int active_best_quality = 0;
    4065           4 :         int active_worst_quality = quantizer_to_qindex[(uint8_t)sequence_control_set_ptr->qp];
    4066             :         int *kf_low_motion_minq;
    4067             :         int *kf_high_motion_minq;
    4068           4 :         ASSIGN_MINQ_TABLE(bit_depth, kf_low_motion_minq);
    4069           4 :         ASSIGN_MINQ_TABLE(bit_depth, kf_high_motion_minq);
    4070             :         double q_val, picture_q_val;
    4071           4 :         uint32_t me_sb_size = sequence_control_set_ptr->sb_sz;
    4072           4 :         uint32_t me_pic_width_in_sb = (sequence_control_set_ptr->seq_header.max_frame_width + sequence_control_set_ptr->sb_sz - 1) / me_sb_size;
    4073           4 :         uint32_t me_pic_height_in_sb = (sequence_control_set_ptr->seq_header.max_frame_height + me_sb_size - 1) / me_sb_size;
    4074           4 :         int max_qp_scaling_avg_comp =
    4075           4 :             MAX(1, picture_control_set_ptr->parent_pcs_ptr->non_moving_index_min_distance + picture_control_set_ptr->parent_pcs_ptr->non_moving_index_max_distance);
    4076             :         // Calculate the QP per frames
    4077           4 :         rc.kf_boost = (((max_qp_scaling_avg_comp - picture_control_set_ptr->parent_pcs_ptr->non_moving_index_average)  * (kf_high - kf_low))
    4078           4 :                        / max_qp_scaling_avg_comp) + kf_low;
    4079             :         active_best_quality =
    4080           4 :             get_kf_active_quality(&rc, active_worst_quality, bit_depth);
    4081             :         // Convert the adjustment factor to a qindex delta
    4082             :         // on active_best_quality.
    4083           4 :         picture_q_val = eb_av1_convert_qindex_to_q(active_best_quality, bit_depth);
    4084         244 :         for (sb_addr = 0; sb_addr < sequence_control_set_ptr->sb_tot_cnt; ++sb_addr) {
    4085         240 :             sb_ptr = picture_control_set_ptr->sb_ptr_array[sb_addr];
    4086         240 :             int delta_qp = 0;
    4087         240 :             SbParams *sb_params = &sequence_control_set_ptr->sb_params_array[sb_addr];
    4088             :             uint8_t non_moving_index_sb;
    4089             :             uint16_t variance_sb;
    4090         240 :             if (sequence_control_set_ptr->seq_header.sb_size == BLOCK_128X128) {
    4091           0 :                 uint32_t me_sb_x = (sb_ptr->origin_x / me_sb_size);
    4092           0 :                 uint32_t me_sb_y = (sb_ptr->origin_y / me_sb_size);
    4093           0 :                 uint32_t me_sb_addr_0 = me_sb_x + me_sb_y * me_pic_width_in_sb;
    4094           0 :                 uint32_t me_sb_addr_1 = (me_sb_x + 1) < me_pic_width_in_sb ? (me_sb_x + 1) + ((me_sb_y + 0) * me_pic_width_in_sb) : me_sb_addr_0;
    4095           0 :                 uint32_t me_sb_addr_2 = (me_sb_y + 1) < me_pic_height_in_sb ? (me_sb_x + 0) + ((me_sb_y + 1) * me_pic_width_in_sb) : me_sb_addr_0;
    4096           0 :                 uint32_t me_sb_addr_3 = ((me_sb_x + 1) < me_pic_width_in_sb) && ((me_sb_y + 1) < me_pic_height_in_sb) ?
    4097           0 :                     (me_sb_x + 1) + ((me_sb_y + 1) * me_pic_width_in_sb) : me_sb_addr_0;
    4098           0 :                 non_moving_index_sb =
    4099           0 :                     (picture_control_set_ptr->parent_pcs_ptr->non_moving_index_array[me_sb_addr_0] +
    4100           0 :                         picture_control_set_ptr->parent_pcs_ptr->non_moving_index_array[me_sb_addr_1] +
    4101           0 :                         picture_control_set_ptr->parent_pcs_ptr->non_moving_index_array[me_sb_addr_2] +
    4102           0 :                         picture_control_set_ptr->parent_pcs_ptr->non_moving_index_array[me_sb_addr_3] + 2) >> 2;
    4103           0 :                 variance_sb =
    4104           0 :                     (picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_0][ME_TIER_ZERO_PU_64x64] +
    4105           0 :                         picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_1][ME_TIER_ZERO_PU_64x64] +
    4106           0 :                         picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_2][ME_TIER_ZERO_PU_64x64] +
    4107           0 :                         picture_control_set_ptr->parent_pcs_ptr->variance[me_sb_addr_3][ME_TIER_ZERO_PU_64x64] + 2) >> 2;
    4108             :             }
    4109             :             else {
    4110         240 :                 non_moving_index_sb = picture_control_set_ptr->parent_pcs_ptr->non_moving_index_array[sb_addr];
    4111         240 :                 variance_sb = picture_control_set_ptr->parent_pcs_ptr->variance[sb_addr][ME_TIER_ZERO_PU_64x64];
    4112             :             }
    4113         240 :             if (sb_params->is_complete_sb && max_qp_scaling_avg_comp >= 10 && picture_control_set_ptr->parent_pcs_ptr->non_moving_index_average < 20 &&
    4114         200 :                 non_moving_index_sb < picture_control_set_ptr->parent_pcs_ptr->non_moving_index_average) {
    4115          92 :                 if (variance_sb < IS_COMPLEX_LCU_FLAT_VARIANCE_TH)
    4116           0 :                     delta_qp = 3;
    4117             :                 else {
    4118             :                     // Calculate the QP of each block to find the delta
    4119          92 :                     rc.kf_boost = (((max_qp_scaling_avg_comp - non_moving_index_sb)  * (kf_high - kf_low)) / max_qp_scaling_avg_comp) + kf_low;
    4120             :                     // Baseline value derived from cpi->active_worst_quality and kf boost.
    4121             :                     active_best_quality =
    4122          92 :                         get_kf_active_quality(&rc, active_worst_quality, bit_depth);
    4123             :                     // Convert the adjustment factor to a qindex delta
    4124             :                     // on active_best_quality.
    4125          92 :                     q_val = eb_av1_convert_qindex_to_q(active_best_quality, bit_depth);
    4126          92 :                     delta_qp = (int16_t)q_val - (int16_t)picture_q_val;
    4127             :                 }
    4128             :             }
    4129         240 :             sb_ptr->qp = CLIP3(
    4130             :                 MIN(picture_control_set_ptr->parent_pcs_ptr->picture_qp, ((kf_low_motion_minq[active_worst_quality] + 2) >> 2)),
    4131             :                 MAX(picture_control_set_ptr->parent_pcs_ptr->picture_qp, ((kf_high_motion_minq[active_worst_quality] + 2) >> 2)) + 3,
    4132             :                 ((int16_t)picture_control_set_ptr->parent_pcs_ptr->picture_qp + (int16_t)delta_qp));
    4133         240 :             sb_ptr->qp = CLIP3(
    4134             :                 sequence_control_set_ptr->static_config.min_qp_allowed,
    4135             :                 sequence_control_set_ptr->static_config.max_qp_allowed,
    4136             :                 sb_ptr->qp);
    4137         240 :             sb_ptr->delta_qp = (int)picture_control_set_ptr->parent_pcs_ptr->picture_qp - (int)sb_ptr->qp;
    4138         240 :             picture_control_set_ptr->parent_pcs_ptr->average_qp += sb_ptr->qp;
    4139             :         }
    4140             :     }
    4141             :     else {
    4142        6222 :         for (sb_addr = 0; sb_addr < sequence_control_set_ptr->sb_tot_cnt; ++sb_addr) {
    4143        6120 :             sb_ptr = picture_control_set_ptr->sb_ptr_array[sb_addr];
    4144        6120 :             sb_ptr->qp = (uint8_t)picture_control_set_ptr->picture_qp;
    4145        6120 :             sb_ptr->delta_qp = 0;
    4146        6120 :             picture_control_set_ptr->parent_pcs_ptr->average_qp += sb_ptr->qp;
    4147             :         }
    4148             :     }
    4149         106 : }
    4150           2 : void* rate_control_kernel(void *input_ptr)
    4151             : {
    4152             :     // Context
    4153           2 :     RateControlContext                *context_ptr = (RateControlContext  *)input_ptr;
    4154             : 
    4155             :     RateControlIntervalParamContext   *rate_control_param_ptr;
    4156             : 
    4157             :     RateControlIntervalParamContext   *prev_gop_rate_control_param_ptr;
    4158             :     RateControlIntervalParamContext   *next_gop_rate_control_param_ptr;
    4159             : 
    4160             :     PictureControlSet                 *picture_control_set_ptr;
    4161             :     PictureParentControlSet           *parentpicture_control_set_ptr;
    4162             : 
    4163             :     // Config
    4164             :     SequenceControlSet                *sequence_control_set_ptr;
    4165             : 
    4166             :     // Input
    4167             :     EbObjectWrapper                   *rate_control_tasks_wrapper_ptr;
    4168             :     RateControlTasks                  *rate_control_tasks_ptr;
    4169             : 
    4170             :     // Output
    4171             :     EbObjectWrapper                   *rate_control_results_wrapper_ptr;
    4172             :     RateControlResults                *rate_control_results_ptr;
    4173             : 
    4174             :     RateControlLayerContext           *rate_control_layer_ptr;
    4175             : 
    4176           2 :     uint64_t                           total_number_of_fb_frames = 0;
    4177             : 
    4178             :     RateControlTaskTypes               task_type;
    4179             :     EbRateControlModel          *rc_model_ptr;
    4180             :     RATE_CONTROL                 rc;
    4181             : 
    4182           2 :     rc_model_ptr = context_ptr->rc_model_ptr;
    4183             : 
    4184             :     for (;;) {
    4185             :         // Get RateControl Task
    4186         962 :         eb_get_full_object(
    4187             :             context_ptr->rate_control_input_tasks_fifo_ptr,
    4188             :             &rate_control_tasks_wrapper_ptr);
    4189             : 
    4190         960 :         rate_control_tasks_ptr = (RateControlTasks*)rate_control_tasks_wrapper_ptr->object_ptr;
    4191         960 :         task_type = rate_control_tasks_ptr->task_type;
    4192             : 
    4193             :         // Modify these for different temporal layers later
    4194         960 :         switch (task_type) {
    4195         120 :         case RC_PICTURE_MANAGER_RESULT:
    4196             : 
    4197         120 :             picture_control_set_ptr = (PictureControlSet  *)rate_control_tasks_ptr->picture_control_set_wrapper_ptr->object_ptr;
    4198         120 :             sequence_control_set_ptr = (SequenceControlSet *)picture_control_set_ptr->sequence_control_set_wrapper_ptr->object_ptr;
    4199         120 :             FrameHeader *frm_hdr = &picture_control_set_ptr->parent_pcs_ptr->frm_hdr;
    4200             : 
    4201         120 :             if (picture_control_set_ptr->picture_number == 0) {
    4202           2 :                 rate_control_model_init(rc_model_ptr, sequence_control_set_ptr);
    4203             : 
    4204             :                 //init rate control parameters
    4205           2 :                 init_rc(
    4206             :                     context_ptr,
    4207             :                     picture_control_set_ptr,
    4208             :                     sequence_control_set_ptr);
    4209             :             }
    4210             : #if TWO_PASS
    4211             :             // SB Loop
    4212         120 :             picture_control_set_ptr->parent_pcs_ptr->sad_me = 0;
    4213         120 :             if (picture_control_set_ptr->slice_type != 2)
    4214        7076 :                 for (int sb_addr = 0; sb_addr < picture_control_set_ptr->sb_total_count; ++sb_addr) {
    4215        6960 :                     picture_control_set_ptr->parent_pcs_ptr->sad_me += picture_control_set_ptr->parent_pcs_ptr->rc_me_distortion[sb_addr];
    4216             :                 }
    4217             : #endif
    4218         120 :             if (sequence_control_set_ptr->static_config.rate_control_mode)
    4219             :             {
    4220           0 :                 picture_control_set_ptr->parent_pcs_ptr->intra_selected_org_qp = 0;
    4221             :                 // High level RC
    4222           0 :                 if (sequence_control_set_ptr->static_config.rate_control_mode == 2)
    4223           0 :                     high_level_rc_input_picture_vbr(
    4224           0 :                         picture_control_set_ptr->parent_pcs_ptr,
    4225             :                         sequence_control_set_ptr,
    4226             :                         sequence_control_set_ptr->encode_context_ptr,
    4227             :                         context_ptr,
    4228             :                         context_ptr->high_level_rate_control_ptr);
    4229           0 :                 else if (sequence_control_set_ptr->static_config.rate_control_mode == 3)
    4230           0 :                     high_level_rc_input_picture_cvbr(
    4231           0 :                         picture_control_set_ptr->parent_pcs_ptr,
    4232             :                         sequence_control_set_ptr,
    4233             :                         sequence_control_set_ptr->encode_context_ptr,
    4234             :                         context_ptr,
    4235             :                         context_ptr->high_level_rate_control_ptr);
    4236             :             }
    4237             : 
    4238             :             // Frame level RC. Find the ParamPtr for the current GOP
    4239         120 :             if (sequence_control_set_ptr->intra_period_length == -1 || sequence_control_set_ptr->static_config.rate_control_mode == 0) {
    4240         120 :                 rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    4241         120 :                 prev_gop_rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    4242         120 :                 next_gop_rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    4243             :             }
    4244             :             else {
    4245           0 :                 uint32_t interval_index_temp = 0;
    4246           0 :                 EbBool intervalFound = EB_FALSE;
    4247           0 :                 while ((interval_index_temp < PARALLEL_GOP_MAX_NUMBER) && !intervalFound) {
    4248           0 :                     if (picture_control_set_ptr->picture_number >= context_ptr->rate_control_param_queue[interval_index_temp]->first_poc &&
    4249           0 :                         picture_control_set_ptr->picture_number <= context_ptr->rate_control_param_queue[interval_index_temp]->last_poc) {
    4250           0 :                         intervalFound = EB_TRUE;
    4251             :                     }
    4252             :                     else
    4253           0 :                         interval_index_temp++;
    4254             :                 }
    4255           0 :                 CHECK_REPORT_ERROR(
    4256             :                     interval_index_temp != PARALLEL_GOP_MAX_NUMBER,
    4257             :                     sequence_control_set_ptr->encode_context_ptr->app_callback_ptr,
    4258             :                     EB_ENC_RC_ERROR2);
    4259             : 
    4260           0 :                 rate_control_param_ptr = context_ptr->rate_control_param_queue[interval_index_temp];
    4261             : 
    4262           0 :                 prev_gop_rate_control_param_ptr = (interval_index_temp == 0) ?
    4263           0 :                     context_ptr->rate_control_param_queue[PARALLEL_GOP_MAX_NUMBER - 1] :
    4264           0 :                     context_ptr->rate_control_param_queue[interval_index_temp - 1];
    4265           0 :                 next_gop_rate_control_param_ptr = (interval_index_temp == PARALLEL_GOP_MAX_NUMBER - 1) ?
    4266           0 :                     context_ptr->rate_control_param_queue[0] :
    4267           0 :                     context_ptr->rate_control_param_queue[interval_index_temp + 1];
    4268             :             }
    4269             : 
    4270         120 :             rate_control_layer_ptr = rate_control_param_ptr->rate_control_layer_array[picture_control_set_ptr->temporal_layer_index];
    4271             : 
    4272         120 :             if (sequence_control_set_ptr->static_config.rate_control_mode == 0) {
    4273             :                 // if RC mode is 0,  fixed QP is used
    4274             :                 // QP scaling based on POC number for Flat IPPP structure
    4275         120 :                 frm_hdr->quantization_params.base_q_idx = quantizer_to_qindex[picture_control_set_ptr->picture_qp];
    4276             : 
    4277         120 :                 if (sequence_control_set_ptr->static_config.enable_qp_scaling_flag && picture_control_set_ptr->parent_pcs_ptr->qp_on_the_fly == EB_FALSE) {
    4278         120 :                     const int32_t qindex = quantizer_to_qindex[(uint8_t)sequence_control_set_ptr->qp];
    4279         120 :                     const double q_val = eb_av1_convert_qindex_to_q(qindex, (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    4280             :                     // if there are need enough pictures in the LAD/SlidingWindow, the adaptive QP scaling is not used
    4281             : #if TWO_PASS
    4282             :                     int32_t new_qindex;
    4283         120 :                     if (!sequence_control_set_ptr->use_output_stat_file && picture_control_set_ptr->parent_pcs_ptr->frames_in_sw >= QPS_SW_THRESH) {
    4284             :                         // Content adaptive qp assignment
    4285         106 :                         if(sequence_control_set_ptr->use_input_stat_file && !picture_control_set_ptr->parent_pcs_ptr->sc_content_detected &&
    4286           0 :                             picture_control_set_ptr->parent_pcs_ptr->referenced_area_has_non_zero)
    4287           0 :                             new_qindex = adaptive_qindex_calc_two_pass(
    4288             :                                 picture_control_set_ptr,
    4289             :                                 &rc,
    4290             :                                 qindex);
    4291             :                         else
    4292         106 :                             new_qindex = adaptive_qindex_calc(
    4293             :                                 picture_control_set_ptr,
    4294             :                                 &rc,
    4295             :                                 qindex);
    4296             :                     }
    4297          14 :                     else if (picture_control_set_ptr->slice_type == I_SLICE) {
    4298           0 :                         const int32_t delta_qindex = eb_av1_compute_qdelta(
    4299             :                             q_val,
    4300             :                             q_val * 0.25,
    4301           0 :                             (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    4302             : 
    4303           0 :                         new_qindex = (int32_t)(qindex + delta_qindex);
    4304             :                     }
    4305             :                     else {
    4306          14 :                         const  double delta_rate_new[2][6] =
    4307             :                         { { 0.40, 0.7, 0.85, 1.0, 1.0, 1.0 },
    4308             :                         { 0.35, 0.6, 0.8,  0.9, 1.0, 1.0 } };
    4309             : 
    4310          14 :                         const int32_t delta_qindex = eb_av1_compute_qdelta(
    4311             :                             q_val,
    4312          14 :                             q_val * delta_rate_new[picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels == 4][picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index],
    4313          14 :                             (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    4314             : 
    4315          14 :                         new_qindex = (int32_t)(qindex + delta_qindex);
    4316             :                     }
    4317         120 :                     frm_hdr->quantization_params.base_q_idx =
    4318         120 :                         (uint8_t)CLIP3(
    4319             :                         (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.min_qp_allowed],
    4320             :                             (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.max_qp_allowed],
    4321             :                             (int32_t)(new_qindex));
    4322             : #else
    4323             :                     if (picture_control_set_ptr->parent_pcs_ptr->frames_in_sw >= QPS_SW_THRESH) {
    4324             :                         int32_t new_qindex = adaptive_qindex_calc(
    4325             :                             picture_control_set_ptr,
    4326             :                             &rc,
    4327             :                             qindex);
    4328             : 
    4329             :                         frm_hdr->quantization_params.base_q_idx =
    4330             :                             (uint8_t)CLIP3(
    4331             :                             (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.min_qp_allowed],
    4332             :                                 (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.max_qp_allowed],
    4333             :                                 (int32_t)(new_qindex));
    4334             :                     }
    4335             :                     else if (picture_control_set_ptr->slice_type == I_SLICE) {
    4336             :                         const int32_t delta_qindex = eb_av1_compute_qdelta(
    4337             :                             q_val,
    4338             :                             q_val * 0.25,
    4339             :                             (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    4340             :                         frm_hdr->quantization_params.base_q_idx =
    4341             :                             (uint8_t)CLIP3(
    4342             :                             (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.min_qp_allowed],
    4343             :                                 (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.max_qp_allowed],
    4344             :                                 (int32_t)(qindex + delta_qindex));
    4345             :                     }
    4346             :                     else {
    4347             :                         const  double delta_rate_new[2][6] =
    4348             :                         { { 0.40, 0.7, 0.85, 1.0, 1.0, 1.0 },
    4349             :                         { 0.35, 0.6, 0.8,  0.9, 1.0, 1.0 } };
    4350             : 
    4351             :                         const int32_t delta_qindex = eb_av1_compute_qdelta(
    4352             :                             q_val,
    4353             :                             q_val * delta_rate_new[picture_control_set_ptr->parent_pcs_ptr->hierarchical_levels == 4][picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index],
    4354             :                             (AomBitDepth)sequence_control_set_ptr->static_config.encoder_bit_depth);
    4355             : 
    4356             :                         frm_hdr->quantization_params.base_q_idx =
    4357             :                             (uint8_t)CLIP3(
    4358             :                             (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.min_qp_allowed],
    4359             :                                 (int32_t)quantizer_to_qindex[sequence_control_set_ptr->static_config.max_qp_allowed],
    4360             :                                 (int32_t)(qindex + delta_qindex));
    4361             :                     }
    4362             : #endif
    4363         120 :                     picture_control_set_ptr->picture_qp =
    4364         120 :                         (uint8_t)CLIP3((int32_t)sequence_control_set_ptr->static_config.min_qp_allowed,
    4365             :                                        (int32_t)sequence_control_set_ptr->static_config.max_qp_allowed,
    4366             :                                        (frm_hdr->quantization_params.base_q_idx + 2) >> 2);
    4367             :                 }
    4368             : 
    4369           0 :                 else if (picture_control_set_ptr->parent_pcs_ptr->qp_on_the_fly == EB_TRUE) {
    4370           0 :                     picture_control_set_ptr->picture_qp = (uint8_t)CLIP3((int32_t)sequence_control_set_ptr->static_config.min_qp_allowed, (int32_t)sequence_control_set_ptr->static_config.max_qp_allowed, picture_control_set_ptr->parent_pcs_ptr->picture_qp);
    4371           0 :                     frm_hdr->quantization_params.base_q_idx = quantizer_to_qindex[picture_control_set_ptr->picture_qp];
    4372             :                 }
    4373             : 
    4374         120 :                 picture_control_set_ptr->parent_pcs_ptr->picture_qp = picture_control_set_ptr->picture_qp;
    4375         120 :                 setup_segmentation(
    4376             :                         picture_control_set_ptr,
    4377             :                         sequence_control_set_ptr,
    4378             :                         rate_control_layer_ptr
    4379             :                 );
    4380             :             }
    4381             :             else {
    4382             :                 // ***Rate Control***
    4383           0 :                 if (sequence_control_set_ptr->static_config.rate_control_mode == 1)
    4384           0 :                     picture_control_set_ptr->picture_qp = rate_control_get_quantizer(rc_model_ptr, picture_control_set_ptr->parent_pcs_ptr);
    4385           0 :                 else if (sequence_control_set_ptr->static_config.rate_control_mode == 2) {
    4386           0 :                     frame_level_rc_input_picture_vbr(
    4387             :                         picture_control_set_ptr,
    4388             :                         sequence_control_set_ptr,
    4389             :                         context_ptr,
    4390             :                         rate_control_layer_ptr,
    4391             :                         rate_control_param_ptr);
    4392             : 
    4393             :                     // rate control QP refinement
    4394           0 :                     rate_control_refinement(
    4395             :                         picture_control_set_ptr,
    4396             :                         sequence_control_set_ptr,
    4397             :                         rate_control_param_ptr,
    4398             :                         prev_gop_rate_control_param_ptr,
    4399             :                         next_gop_rate_control_param_ptr);
    4400             :                 }
    4401           0 :                 else if (sequence_control_set_ptr->static_config.rate_control_mode == 3) {
    4402           0 :                     frame_level_rc_input_picture_cvbr(
    4403             :                         picture_control_set_ptr,
    4404             :                         sequence_control_set_ptr,
    4405             :                         context_ptr,
    4406             :                         rate_control_layer_ptr,
    4407             :                         rate_control_param_ptr);
    4408             :                 }
    4409           0 :                 picture_control_set_ptr->picture_qp = (uint8_t)CLIP3(
    4410             :                     sequence_control_set_ptr->static_config.min_qp_allowed,
    4411             :                     sequence_control_set_ptr->static_config.max_qp_allowed,
    4412             :                     picture_control_set_ptr->picture_qp);
    4413           0 :                 frm_hdr->quantization_params.base_q_idx = quantizer_to_qindex[picture_control_set_ptr->picture_qp];
    4414             :             }
    4415             : 
    4416         120 :             picture_control_set_ptr->parent_pcs_ptr->picture_qp = picture_control_set_ptr->picture_qp;
    4417             : 
    4418         120 :             if (picture_control_set_ptr->parent_pcs_ptr->temporal_layer_index == 0 && sequence_control_set_ptr->static_config.look_ahead_distance != 0)
    4419          10 :                 context_ptr->base_layer_frames_avg_qp = (3 * context_ptr->base_layer_frames_avg_qp + picture_control_set_ptr->picture_qp + 2) >> 2;
    4420         120 :             if (picture_control_set_ptr->slice_type == I_SLICE) {
    4421           4 :                 if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    4422           2 :                     rate_control_param_ptr->first_pic_pred_qp = (uint16_t)picture_control_set_ptr->parent_pcs_ptr->best_pred_qp;
    4423           2 :                     rate_control_param_ptr->first_pic_actual_qp = (uint16_t)picture_control_set_ptr->picture_qp;
    4424           2 :                     rate_control_param_ptr->scene_change_in_gop = picture_control_set_ptr->parent_pcs_ptr->scene_change_in_gop;
    4425           2 :                     rate_control_param_ptr->first_pic_actual_qp_assigned = EB_TRUE;
    4426             :                 }
    4427             :                 {
    4428           4 :                     if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    4429           2 :                         if (sequence_control_set_ptr->static_config.look_ahead_distance != 0)
    4430           2 :                             context_ptr->base_layer_intra_frames_avg_qp = (3 * context_ptr->base_layer_intra_frames_avg_qp + picture_control_set_ptr->picture_qp + 2) >> 2;
    4431             :                     }
    4432             : 
    4433           4 :                     if (picture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    4434           2 :                         rate_control_param_ptr->intra_frames_qp = picture_control_set_ptr->picture_qp;
    4435           2 :                         rate_control_param_ptr->next_gop_intra_frame_qp = picture_control_set_ptr->picture_qp;
    4436           2 :                         rate_control_param_ptr->intra_frames_qp_bef_scal = (uint8_t)sequence_control_set_ptr->static_config.max_qp_allowed;
    4437         117 :                         for (uint32_t qindex = sequence_control_set_ptr->static_config.min_qp_allowed; qindex <= sequence_control_set_ptr->static_config.max_qp_allowed; qindex++) {
    4438         117 :                             if (rate_control_param_ptr->intra_frames_qp <= context_ptr->qp_scaling_map_I_SLICE[qindex]) {
    4439           2 :                                 rate_control_param_ptr->intra_frames_qp_bef_scal = (uint8_t)qindex;
    4440           2 :                                 break;
    4441             :                             }
    4442             :                         }
    4443             :                     }
    4444             :                 }
    4445             :             }
    4446             : #if TWO_PASS
    4447         120 :             if (sequence_control_set_ptr->static_config.enable_adaptive_quantization == 2 && picture_control_set_ptr->parent_pcs_ptr->frames_in_sw >= QPS_SW_THRESH &&
    4448         106 :                 !picture_control_set_ptr->parent_pcs_ptr->sc_content_detected && !sequence_control_set_ptr->use_output_stat_file)
    4449         106 :                 if(sequence_control_set_ptr->use_input_stat_file && picture_control_set_ptr->parent_pcs_ptr->referenced_area_has_non_zero)
    4450           0 :                     sb_qp_derivation_two_pass(picture_control_set_ptr);
    4451             :                 else
    4452         106 :                     sb_qp_derivation(picture_control_set_ptr);
    4453             :             else {
    4454          14 :                 picture_control_set_ptr->parent_pcs_ptr->frm_hdr.delta_q_params.delta_q_present = 0;
    4455             :                 LargestCodingUnit  *sb_ptr;
    4456          14 :                 picture_control_set_ptr->parent_pcs_ptr->average_qp = 0;
    4457         854 :                 for (int sb_addr = 0; sb_addr < sequence_control_set_ptr->sb_tot_cnt; ++sb_addr) {
    4458         840 :                     sb_ptr = picture_control_set_ptr->sb_ptr_array[sb_addr];
    4459         840 :                     sb_ptr->qp = (uint8_t)picture_control_set_ptr->picture_qp;
    4460         840 :                     sb_ptr->delta_qp = 0;
    4461         840 :                     picture_control_set_ptr->parent_pcs_ptr->average_qp += sb_ptr->qp;
    4462             :                 }
    4463             :             }
    4464             : #else
    4465             :             sb_qp_derivation(picture_control_set_ptr);
    4466             : #endif
    4467             :             // Get Empty Rate Control Results Buffer
    4468         120 :             eb_get_empty_object(
    4469             :                 context_ptr->rate_control_output_results_fifo_ptr,
    4470             :                 &rate_control_results_wrapper_ptr);
    4471         120 :             rate_control_results_ptr = (RateControlResults*)rate_control_results_wrapper_ptr->object_ptr;
    4472         120 :             rate_control_results_ptr->picture_control_set_wrapper_ptr = rate_control_tasks_ptr->picture_control_set_wrapper_ptr;
    4473             : 
    4474             :             // Post Full Rate Control Results
    4475         120 :             eb_post_full_object(rate_control_results_wrapper_ptr);
    4476             : 
    4477             :             // Release Rate Control Tasks
    4478         120 :             eb_release_object(rate_control_tasks_wrapper_ptr);
    4479             : 
    4480         120 :             break;
    4481             : 
    4482         120 :         case RC_PACKETIZATION_FEEDBACK_RESULT:
    4483             : 
    4484         120 :             parentpicture_control_set_ptr = (PictureParentControlSet  *)rate_control_tasks_ptr->picture_control_set_wrapper_ptr->object_ptr;
    4485         120 :             sequence_control_set_ptr = (SequenceControlSet *)parentpicture_control_set_ptr->sequence_control_set_wrapper_ptr->object_ptr;
    4486         120 :             if (sequence_control_set_ptr->static_config.rate_control_mode) {
    4487           0 :                 if (sequence_control_set_ptr->static_config.rate_control_mode == 1)
    4488           0 :                     rate_control_update_model(rc_model_ptr, parentpicture_control_set_ptr);
    4489             :                 ReferenceQueueEntry           *reference_entry_ptr;
    4490             :                 uint32_t                          reference_queue_index;
    4491           0 :                 EncodeContext             *encode_context_ptr = sequence_control_set_ptr->encode_context_ptr;
    4492           0 :                 reference_queue_index = encode_context_ptr->reference_picture_queue_head_index;
    4493             :                 // Find the Reference in the Reference Queue
    4494             :                 do {
    4495           0 :                     reference_entry_ptr = encode_context_ptr->reference_picture_queue[reference_queue_index];
    4496           0 :                     if (reference_entry_ptr->picture_number == parentpicture_control_set_ptr->picture_number) {
    4497             :                         // Set the feedback arrived
    4498           0 :                         reference_entry_ptr->feedback_arrived = EB_TRUE;
    4499             :                     }
    4500             : 
    4501             :                     // Increment the reference_queue_index Iterator
    4502           0 :                     reference_queue_index = (reference_queue_index == REFERENCE_QUEUE_MAX_DEPTH - 1) ? 0 : reference_queue_index + 1;
    4503           0 :                 } while ((reference_queue_index != encode_context_ptr->reference_picture_queue_tail_index) && (reference_entry_ptr->picture_number != parentpicture_control_set_ptr->picture_number));
    4504             :             }
    4505             :             // Frame level RC
    4506         120 :             if (sequence_control_set_ptr->intra_period_length == -1 || sequence_control_set_ptr->static_config.rate_control_mode == 0) {
    4507         120 :                 rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    4508         120 :                 prev_gop_rate_control_param_ptr = context_ptr->rate_control_param_queue[0];
    4509         120 :                 if (parentpicture_control_set_ptr->slice_type == I_SLICE) {
    4510           4 :                     if (parentpicture_control_set_ptr->total_num_bits > MAX_BITS_PER_FRAME)
    4511           0 :                         context_ptr->max_rate_adjust_delta_qp++;
    4512           4 :                     else if (context_ptr->max_rate_adjust_delta_qp > 0 && parentpicture_control_set_ptr->total_num_bits < MAX_BITS_PER_FRAME * 85 / 100)
    4513           0 :                         context_ptr->max_rate_adjust_delta_qp--;
    4514           4 :                     context_ptr->max_rate_adjust_delta_qp = CLIP3(0, 63, context_ptr->max_rate_adjust_delta_qp);
    4515           4 :                     context_ptr->max_rate_adjust_delta_qp = 0;
    4516             :                 }
    4517             :             }
    4518             :             else {
    4519           0 :                 uint32_t interval_index_temp = 0;
    4520           0 :                 EbBool intervalFound = EB_FALSE;
    4521           0 :                 while ((interval_index_temp < PARALLEL_GOP_MAX_NUMBER) && !intervalFound) {
    4522           0 :                     if (parentpicture_control_set_ptr->picture_number >= context_ptr->rate_control_param_queue[interval_index_temp]->first_poc &&
    4523           0 :                         parentpicture_control_set_ptr->picture_number <= context_ptr->rate_control_param_queue[interval_index_temp]->last_poc) {
    4524           0 :                         intervalFound = EB_TRUE;
    4525             :                     }
    4526             :                     else
    4527           0 :                         interval_index_temp++;
    4528             :                 }
    4529           0 :                 CHECK_REPORT_ERROR(
    4530             :                     interval_index_temp != PARALLEL_GOP_MAX_NUMBER,
    4531             :                     sequence_control_set_ptr->encode_context_ptr->app_callback_ptr,
    4532             :                     EB_ENC_RC_ERROR2);
    4533             : 
    4534           0 :                 rate_control_param_ptr = context_ptr->rate_control_param_queue[interval_index_temp];
    4535             : 
    4536           0 :                 prev_gop_rate_control_param_ptr = (interval_index_temp == 0) ?
    4537           0 :                     context_ptr->rate_control_param_queue[PARALLEL_GOP_MAX_NUMBER - 1] :
    4538           0 :                     context_ptr->rate_control_param_queue[interval_index_temp - 1];
    4539             :             }
    4540         120 :             if (sequence_control_set_ptr->static_config.rate_control_mode != 0) {
    4541           0 :                 context_ptr->previous_virtual_buffer_level = context_ptr->virtual_buffer_level;
    4542             : 
    4543           0 :                 context_ptr->virtual_buffer_level =
    4544           0 :                     (int64_t)context_ptr->previous_virtual_buffer_level +
    4545           0 :                     (int64_t)parentpicture_control_set_ptr->total_num_bits - (int64_t)context_ptr->high_level_rate_control_ptr->channel_bit_rate_per_frame;
    4546             : 
    4547           0 :                 high_level_rc_feed_back_picture(
    4548             :                     parentpicture_control_set_ptr,
    4549             :                     sequence_control_set_ptr);
    4550           0 :                 if (sequence_control_set_ptr->static_config.rate_control_mode == 2)
    4551           0 :                     frame_level_rc_feedback_picture_vbr(
    4552             :                         parentpicture_control_set_ptr,
    4553             :                         sequence_control_set_ptr,
    4554             :                         context_ptr);
    4555           0 :                 else if (sequence_control_set_ptr->static_config.rate_control_mode == 3)
    4556           0 :                     frame_level_rc_feedback_picture_cvbr(
    4557             :                         parentpicture_control_set_ptr,
    4558             :                         sequence_control_set_ptr,
    4559             :                         context_ptr);
    4560           0 :                 if (parentpicture_control_set_ptr->picture_number == rate_control_param_ptr->first_poc) {
    4561           0 :                     rate_control_param_ptr->first_pic_pred_bits = parentpicture_control_set_ptr->target_bits_best_pred_qp;
    4562           0 :                     rate_control_param_ptr->first_pic_actual_bits = parentpicture_control_set_ptr->total_num_bits;
    4563             :                     {
    4564           0 :                         int16_t deltaApQp = (int16_t)rate_control_param_ptr->first_pic_actual_qp - (int16_t)rate_control_param_ptr->first_pic_pred_qp;
    4565           0 :                         rate_control_param_ptr->extra_ap_bit_ratio_i = (rate_control_param_ptr->first_pic_pred_bits != 0) ?
    4566           0 :                             (((int64_t)rate_control_param_ptr->first_pic_actual_bits - (int64_t)rate_control_param_ptr->first_pic_pred_bits) * 100) / ((int64_t)rate_control_param_ptr->first_pic_pred_bits) :
    4567             :                             0;
    4568           0 :                         rate_control_param_ptr->extra_ap_bit_ratio_i += (int64_t)deltaApQp * 15;
    4569             :                     }
    4570             :                 }
    4571             :             }
    4572             : 
    4573             :             // Queue variables
    4574             : #if OVERSHOOT_STAT_PRINT
    4575             :             if (sequence_control_set_ptr->intra_period_length != -1) {
    4576             :                 int32_t                       queueEntryIndex;
    4577             :                 uint32_t                       queueEntryIndexTemp;
    4578             :                 uint32_t                       queueEntryIndexTemp2;
    4579             :                 CodedFramesStatsEntry     *queueEntryPtr;
    4580             :                 EbBool                      moveSlideWondowFlag = EB_TRUE;
    4581             :                 EbBool                      end_of_sequence_flag = EB_TRUE;
    4582             :                 uint32_t                       frames_in_sw;
    4583             : 
    4584             :                 // Determine offset from the Head Ptr
    4585             :                 queue_entry_index = (int32_t)(parentpicture_control_set_ptr->picture_number - context_ptr->coded_frames_stat_queue[context_ptr->coded_frames_stat_queue_head_index]->picture_number);
    4586             :                 queue_entry_index += context_ptr->coded_frames_stat_queue_head_index;
    4587             :                 queue_entry_index = (queue_entry_index > CODED_FRAMES_STAT_QUEUE_MAX_DEPTH - 1) ? queue_entry_index - CODED_FRAMES_STAT_QUEUE_MAX_DEPTH : queue_entry_index;
    4588             :                 queue_entry_ptr = context_ptr->coded_frames_stat_queue[queue_entry_index];
    4589             : 
    4590             :                 queue_entry_ptr->frame_total_bit_actual = (uint64_t)parentpicture_control_set_ptr->total_num_bits;
    4591             :                 queue_entry_ptr->picture_number = parentpicture_control_set_ptr->picture_number;
    4592             :                 queue_entry_ptr->end_of_sequence_flag = parentpicture_control_set_ptr->end_of_sequence_flag;
    4593             :                 context_ptr->rate_average_periodin_frames = (uint64_t)sequence_control_set_ptr->static_config.intra_period + 1;
    4594             : 
    4595             :                 //SVT_LOG("\n0_POC: %d\n",
    4596             :                 //    queue_entry_ptr->picture_number);
    4597             :                 move_slide_wondow_flag = EB_TRUE;
    4598             :                 while (move_slide_wondow_flag) {
    4599             :                     //  SVT_LOG("\n1_POC: %d\n",
    4600             :                     //      queue_entry_ptr->picture_number);
    4601             :                       // Check if the sliding window condition is valid
    4602             :                     queue_entry_index_temp = context_ptr->coded_frames_stat_queue_head_index;
    4603             :                     if (context_ptr->coded_frames_stat_queue[queue_entry_index_temp]->frame_total_bit_actual != -1)
    4604             :                         end_of_sequence_flag = context_ptr->coded_frames_stat_queue[queue_entry_index_temp]->end_of_sequence_flag;
    4605             :                     else
    4606             :                         end_of_sequence_flag = EB_FALSE;
    4607             :                     while (move_slide_wondow_flag && !end_of_sequence_flag &&
    4608             :                         queue_entry_index_temp < context_ptr->coded_frames_stat_queue_head_index + context_ptr->rate_average_periodin_frames) {
    4609             :                         // SVT_LOG("\n2_POC: %d\n",
    4610             :                         //     queue_entry_ptr->picture_number);
    4611             : 
    4612             :                         queue_entry_index_temp2 = (queue_entry_index_temp > CODED_FRAMES_STAT_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - CODED_FRAMES_STAT_QUEUE_MAX_DEPTH : queue_entry_index_temp;
    4613             : 
    4614             :                         move_slide_wondow_flag = (EbBool)(move_slide_wondow_flag && (context_ptr->coded_frames_stat_queue[queue_entry_index_temp2]->frame_total_bit_actual != -1));
    4615             : 
    4616             :                         if (context_ptr->coded_frames_stat_queue[queue_entry_index_temp2]->frame_total_bit_actual != -1) {
    4617             :                             // check if it is the last frame. If we have reached the last frame, we would output the buffered frames in the Queue.
    4618             :                             end_of_sequence_flag = context_ptr->coded_frames_stat_queue[queue_entry_index_temp]->end_of_sequence_flag;
    4619             :                         }
    4620             :                         else
    4621             :                             end_of_sequence_flag = EB_FALSE;
    4622             :                         queue_entry_index_temp =
    4623             :                             (queue_entry_index_temp == CODED_FRAMES_STAT_QUEUE_MAX_DEPTH - 1) ? 0 : queue_entry_index_temp + 1;
    4624             :                     }
    4625             : 
    4626             :                     if (move_slide_wondow_flag) {
    4627             :                         //get a new entry spot
    4628             :                         queue_entry_ptr = (context_ptr->coded_frames_stat_queue[context_ptr->coded_frames_stat_queue_head_index]);
    4629             :                         queue_entry_index_temp = context_ptr->coded_frames_stat_queue_head_index;
    4630             :                         // This is set to false, so the last frame would go inside the loop
    4631             :                         end_of_sequence_flag = EB_FALSE;
    4632             :                         frames_in_sw = 0;
    4633             :                         context_ptr->total_bit_actual_per_sw = 0;
    4634             : 
    4635             :                         while (!end_of_sequence_flag &&
    4636             :                             queue_entry_index_temp < context_ptr->coded_frames_stat_queue_head_index + context_ptr->rate_average_periodin_frames) {
    4637             :                             frames_in_sw++;
    4638             : 
    4639             :                             queue_entry_index_temp2 = (queue_entry_index_temp > CODED_FRAMES_STAT_QUEUE_MAX_DEPTH - 1) ? queue_entry_index_temp - CODED_FRAMES_STAT_QUEUE_MAX_DEPTH : queue_entry_index_temp;
    4640             : 
    4641             :                             context_ptr->total_bit_actual_per_sw += context_ptr->coded_frames_stat_queue[queue_entry_index_temp2]->frame_total_bit_actual;
    4642             :                             end_of_sequence_flag = context_ptr->coded_frames_stat_queue[queue_entry_index_temp2]->end_of_sequence_flag;
    4643             : 
    4644             :                             queue_entry_index_temp =
    4645             :                                 (queue_entry_index_temp == CODED_FRAMES_STAT_QUEUE_MAX_DEPTH - 1) ? 0 : queue_entry_index_temp + 1;
    4646             :                         }
    4647             :                         //
    4648             : 
    4649             :                         //if(frames_in_sw == context_ptr->rate_average_periodin_frames)
    4650             :                         //    SVT_LOG("POC:%d\t %.3f\n", queue_entry_ptr->picture_number, (double)context_ptr->total_bit_actual_per_sw*(sequence_control_set_ptr->frame_rate>> RC_PRECISION)/(double)frames_in_sw/1000);
    4651             :                         if (frames_in_sw == (uint32_t)sequence_control_set_ptr->intra_period_length + 1) {
    4652             :                             context_ptr->max_bit_actual_per_sw = MAX(context_ptr->max_bit_actual_per_sw, context_ptr->total_bit_actual_per_sw*(sequence_control_set_ptr->frame_rate >> RC_PRECISION) / frames_in_sw / 1000);
    4653             :                             if (queue_entry_ptr->picture_number % ((sequence_control_set_ptr->intra_period_length + 1)) == 0) {
    4654             :                                 context_ptr->max_bit_actual_per_gop = MAX(context_ptr->max_bit_actual_per_gop, context_ptr->total_bit_actual_per_sw*(sequence_control_set_ptr->frame_rate >> RC_PRECISION) / frames_in_sw / 1000);
    4655             :                                 context_ptr->min_bit_actual_per_gop = MIN(context_ptr->min_bit_actual_per_gop, context_ptr->total_bit_actual_per_sw*(sequence_control_set_ptr->frame_rate >> RC_PRECISION) / frames_in_sw / 1000);
    4656             :                                 if (1) {
    4657             :                                     //if (context_ptr->total_bit_actual_per_sw > sequence_control_set_ptr->static_config.max_buffersize){
    4658             :                                     SVT_LOG("POC:%d\t%.0f\t%.2f%% \n",
    4659             :                                         (int)queue_entry_ptr->picture_number,
    4660             :                                         (double)((int64_t)context_ptr->total_bit_actual_per_sw*(sequence_control_set_ptr->frame_rate >> RC_PRECISION) / frames_in_sw / 1000),
    4661             :                                         (double)(100 * (double)context_ptr->total_bit_actual_per_sw*(sequence_control_set_ptr->frame_rate >> RC_PRECISION) / frames_in_sw / (double)sequence_control_set_ptr->static_config.target_bit_rate) - 100);
    4662             :                                 }
    4663             :                             }
    4664             :                         }
    4665             :                         if (frames_in_sw == context_ptr->rate_average_periodin_frames - 1) {
    4666             :                             //SVT_LOG("\n%d MAX\n", (int32_t)context_ptr->max_bit_actual_per_sw);
    4667             :                             SVT_LOG("\n%d GopMax\t", (int32_t)context_ptr->max_bit_actual_per_gop);
    4668             :                             SVT_LOG("%d GopMin\n", (int32_t)context_ptr->min_bit_actual_per_gop);
    4669             :                         }
    4670             :                         // Reset the Queue Entry
    4671             :                         queue_entry_ptr->picture_number += CODED_FRAMES_STAT_QUEUE_MAX_DEPTH;
    4672             :                         queue_entry_ptr->frame_total_bit_actual = -1;
    4673             : 
    4674             :                         // Increment the Reorder Queue head Ptr
    4675             :                         context_ptr->coded_frames_stat_queue_head_index =
    4676             :                             (context_ptr->coded_frames_stat_queue_head_index == CODED_FRAMES_STAT_QUEUE_MAX_DEPTH - 1) ? 0 : context_ptr->coded_frames_stat_queue_head_index + 1;
    4677             : 
    4678             :                         queue_entry_ptr = (context_ptr->coded_frames_stat_queue[context_ptr->coded_frames_stat_queue_head_index]);
    4679             :                     }
    4680             :                 }
    4681             :             }
    4682             : #endif
    4683         120 :             total_number_of_fb_frames++;
    4684             : 
    4685             :             // Release the SequenceControlSet
    4686         120 :             eb_release_object(parentpicture_control_set_ptr->sequence_control_set_wrapper_ptr);
    4687             :             // Release the ParentPictureControlSet
    4688         120 :             eb_release_object(parentpicture_control_set_ptr->input_picture_wrapper_ptr);
    4689         120 :             eb_release_object(rate_control_tasks_ptr->picture_control_set_wrapper_ptr);
    4690             : 
    4691             :             // Release Rate Control Tasks
    4692         120 :             eb_release_object(rate_control_tasks_wrapper_ptr);
    4693         120 :             break;
    4694             : 
    4695         720 :         case RC_ENTROPY_CODING_ROW_FEEDBACK_RESULT:
    4696             : 
    4697             :             // Extract bits-per-lcu-row
    4698             : 
    4699             :             // Release Rate Control Tasks
    4700         720 :             eb_release_object(rate_control_tasks_wrapper_ptr);
    4701             : 
    4702         720 :             break;
    4703             : 
    4704           0 :         default:
    4705           0 :             picture_control_set_ptr = (PictureControlSet*)rate_control_tasks_ptr->picture_control_set_wrapper_ptr->object_ptr;
    4706           0 :             sequence_control_set_ptr = (SequenceControlSet*)picture_control_set_ptr->sequence_control_set_wrapper_ptr->object_ptr;
    4707             : 
    4708           0 :             break;
    4709             :         }
    4710             :     }
    4711             :     EB_DELETE(rc_model_ptr);
    4712             :     return EB_NULL;
    4713             : }

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