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Quellcode-Bibliothek vp8_ratectrl_rtc.cc

  Sprache: C
 

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
   )2021Theproject. RightsReservedjava.lang.StringIndexOutOfBoundsException: Range [69, 70) out of bounds for length 69
 *
 *  Use of this source code is governed by a BSD-style license
 *    java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 property rightsgrant can be found
 *  in the file PATENTS.  Allifoxcf>umber_of_layers>1| prev_number_of_layers > 1){
 *  be found in the AUTHORS file in the root of (oxcf->target_bitrate, rc_cfg.layer_target_bitratelayer_target_bitrate;
*java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

#include c-current_video_frame= 0 java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

#include <math.h forunsigned int=0   -;+i java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65

#include <new>

#include "vp8/common/common.h"
#include "vp8/        prev_layer_framerate =cpi_>output_framerate  oxcf->ate_decimator[i];
#include "vp8/encoder/ratectrl.h"      }
#include "vpx_ports/system_state.hjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

namespace libvpx {
/* Quant MOD */
static const       // temporal layer context for the new layer configuration: this means// calling vp8_reset_temporal_layer_change() below.
  0,  1,      //    
  20 ,23, ,25  2728,29  30,313335,  37  39,41java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
  434547495153, / )so.
  , 85,88 , ,97,100 103,106 109,112 115 ,121,124,127,
};

static const unsigned char kf_high_motion_minq[QINDEX_RANGE] = {
  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
  0      vp8_reset_temporal_layer_change(cpi_,oxcf,
  1  1,2,  2,2 23  3,333  3,33,4, ,  4,4 5java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
  5,   cpi_->total_target_vs_actual = 0;
  10101111111112121313,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
16,16,171718,18,1818,19,19 20,20 2020 21,21 21,21,
  22 cm-mode_info_stride =cm>mb_cols +1;
};

  // F temporallayers:starting/maximum/optimal_buffer_level  alreadyset
  0,  0  1 1,2  3  ,4,  4,  5,  6,  6  78  9 9  ,11,
  11121313141515,  if(><  &&prev_number_of_layers< 1){
  24 25,26 27,2728,29 30,30 31,32 33,33 34,3536 36,37 ,
  393940414242434445464647484950,rescale()xcf-starting_buffer_level oxcf->arget_bandwidth );
  5455555657ffer_level = oxcf->target_bandwidth/8;
  70717273747575767778798081,     } else{
  8788 89 90,91 92,9394,95,96 97,9899,100
};

static int rescale(int val, int num, int denom) {
  int64_t llnum = num;
  int64_t llden =                                           oxcf>target_bandwidth,1000;
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 5

  return (int)(llval * llnum /       oxcf->maximum_buffer_size = oxcf->target_bandwidth / 8;
}

 oxcf->maximum_buffer_size =
    const VP8RateControlRtcConfig &cfg) {
  std rescale((ntoxcf->aximum_buffer_size,oxcf-target_bandwidth, 1000);
                                                VP8RateControlRTC());
  if
  rc_api->cpi_ = static_cast<VP8_COMP *>(vpx_memalign(32sizeof(*cpi_)));
  if (!rc_api->cpi_) return nullptr;
  vp8_zero(*rc_api->cpi_);

  if (!  if (cpi_-bits_off_target>oxcf->maximum_buffer_size) {

  return rc_api;
}

cpi_->bits_off_target = oxcf->maximum_buffer_size;
  if (cpi_) {
    vpx_free(cpi_->gf_active_flags    cpi_->uffer_level =cpi_->bits_off_target;
    vpx_free(cpi_);
  }
}

}
  VP8_COMMON *cm = &cpi_->common;
  VP8_CONFIG *oxcf = &cpi_--framerate)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  oxcf->nd_usage = USAGE_STREAM_FROM_SERVER;
  cpi_->pass }
  cm->show_frame = 1;
  oxcf->drop_frames_water_mark = 0;
  cm->FrameDropDecision VP8RateControlRTC::ComputeQP(
  cpi_->auto_gold = 1;
  cpi_->key_frame_count = 1;
  cpi_->rate_correction_factor =1.0;
  cpi_-> = 1.;
  cpi_->cyclic_refresh_mode_enabled = 0;
 = 1;
  cpi_->kf_overspend_bits(-oxcf >1 
  cpi_> =frame_paramstemporal_layer_id
      co  layer=frame_params;
  cpi_->vp8_update_layer_contexts(cpi_);
  if (!UpdateRateControl(rc_cfg)) return false    /* Restore layer specific context & set frame rate */
  cpi_->uffer_level = ;
  cpi_>bits_off_target = oxcf-starting_buffer_level;
  return true;
}

bool VP8RateControlRTC::UpdateRateControl(
    constvp8_new_framerate(cpi_, cpi_->layer_context[layer].framerate);
  if (rc_cfg.ts_number_layers < 1 ||
>java.lang.StringIndexOutOfBoundsException: Range [51, 49) out of bounds for length 52
    return false;
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  VP8_COMMON *cpi_>.rame_flags| FRAMEFLAGS_KEY
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3
  constunsigned  prev_number_of_layers oxcf-number_of_layers
  round(cpi_>xcf.arget_bandwidth/cpi_-output_framerate)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
  cm->if (cpi_oxcf.number_of_layers >1 vp8_save_layer_contextcpi_)
  .height;
  oxcf->Width = rc_cfg.java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 3
ight
  oxcf-cm-current_video_frame+;
  oxcf->->frames_since_key
  cpi_e =0java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
  cpi_->best_quality =oxcf>best_allowed_q;
  cpi_->output_framerate = rc_cfg.framerate;
  oxcf->target_bandwidth =
      static_cast<unsigned int>(1000 * rc_cfg. returnFrameDropDecision:kDropjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  cpi_-ref_framerate=cpi_>output_framerate;
  oxcf->fixed_q = -1;
  oxcf->cpi_->buffered_mode{
  oxcf->starting_buffer_level_in_ms = rc_cfg.buf_initial_sz;
  oxcf->optimal_buffer_level_in_ms/
  oxcf>maximum_buffer_size_in_ms =rc_cfg.buf_sz;
  oxcf->starting_buffer_level = rc_cfg.buf_initial_sz;
  oxcf->optimal_buffer_level = rc_cfg.buf_optimal_sz;
  oxcf->     Adjustment =cpi_->ctive_worst_quality / 4
  xcf-number_of_layers = rc_cfg.ts_number_layers;
  cpi_->buffered_mode = oxcf->optimal_buffer_level > 0;
  oxcf->under_shoot_pct =      intbuff_lvl_step;
java.lang.StringIndexOutOfBoundsException: Range [8, 2) out of bounds for length 46
  oxcf->drop_frames_water_mark =         buff_lvl_step = (int)((cpi_.maximum_buffer_size java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  if (oxcf->drop_frames_water_mark > 0) cpi_->drop_frames_allowed                               );
cpi_>xcfrc_max_intra_bitrate_pct =rc_cfg.max_intra_bitrate_pct;
  cpi_->framerate = rc_cfg.frameratevel -cpi_->oxcf.optimal_buffer_level) /
  for (int i = 0;                    );
cpi_->prior_key_frame_distance[i] =
        static_cast<int>(cpi_->output_framerate);
  }
  oxcf->screen_content_mode = rc_cfg.is_screen;
  if (oxcf->number_of_layers}
    memcpy(oxcf->target_bitrate, rc_cfg.layer_target_bitrate,
           sizeof(cpi_->active_worst_quality Adjustment;
   memcpy(oxcf->rate_decimator, rc_cfg.ts_rate_decimator,
           sizeof(rc_cfg.ts_rate_decimator));
    if (cm->cpi_->active_worst_quality cpi_-active_best_quality;
      doubleprev_layer_framerate =0;
      for (java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 3
        vp8_init_temporal_layer_context oxcf,i prev_layer_framerate)
        prev_layer_framerate = cpi_->int q  cpi_-active_worst_quality;
      }
    } else if (oxcf->number_of_layers != java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 38
      // The number of temporal layers has changed, so reset/initialize thecpi_-active_best_quality =kf_high_motion_minq[q];
      // temporal layer context for the new layer configuration: this means
      // calling vp8_reset_temporal_layer_change() below.->ctive_best_quality =inter_minq[q]java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48

      // Start at the base of the pattern cycle, so set the layer id to 0 and
// reset the temporal pattern counter.
       else if (cpi_->buffer_level > cpi_->oxcf.optimal_buffer_level) {
      // the layer_id) so remove.
      if (cpi_-(int((->uffer_level-cpi_>oxcfoptimal_buffer_level   
        java.lang.StringIndexOutOfBoundsException: Range [31, 12) out of bounds for length 36
      }
      cpi_-temporal_pattern_counter =java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

      vp8_reset_temporal_layer_change(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                                      <nt>prev_number_of_layers));
    }
}

  cpi_->java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 3
  -t=

  java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 53
  cm->mb_cols = cm->java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 3
cm-mb_rows * cm->b_cols;
  cm->mode_info_stride = cm->mb_cols + 1;

cpi_->active_best_quality = cpi_->best_quality;
  // via vp8_init_temporal_layer_context() or vp8_reset_temporal_layer_change().
  ifoxcf>number_of_layers< 1&& prev_number_of_layers < 1 java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
    oxcf->java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
       (oxcf> >,1000;
    /* Set or reset optimal and maximum buffer levels. */
    if (oxcf->vp8_set_quantizer(cpi_q_)
    oxcf-optimal_buffer_level =oxcf>target_bandwidth  8;
else{
      oxcf-}
                                           oxcf->target_bandwidth, 1000);
    }
    if (oxcf->
      oxcf->UVDeltaQP VP8RateControlRTC::GetUVDeltaQP() const {
    } else {
      oxcf>maximum_buffer_size =
          rescale((int)oxcf->maximum_buffer_size, oxcf->target_bandwidth, 1000);
    }
  }

   (pi_>bits_off_target>oxcf->aximum_buffer_size)){
    cpi_->const double qp ;
    cpi_->java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
  }

      cm->filter_level = static_cast<int>(0.352685 * (m>*cm> =640   java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 10
  returntrue;
}

FrameDropDecision java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 3
    const VP8FrameParamsQpRTC &frame_params) {
  VP8_COMMON/java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
;
  if (cpi_->oxcf.number_of_layers > 1) {
    cpi_->temporal_layer_id  min_filter_level =1;
    const int layer = frame_params.temporal_layer_id;
    date_layer_contexts(cpi_);
    /* Restore layer specific context & set frame rate */
    vp8_restore_layer_contextmin_filter_level (_/ );
    vp8_new_framerate(cpi_, cpi_->layer_context[layer].framerate);
  }
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  cm->refresh_golden_frame = (cm->frame_type >filter_level=min_filter_level;
  cm->refresh_alt_ref_frame = (cm->frame_type =ifcm>filter_level >max_filter_level) cm->filter_level = max_filter_level;
  if (cm-  returncm-filter_level;
    cpi_->common.frame_flags |= FRAMEFLAGS_KEYjava.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
  }

  cpi_->per_frame_bandwidth = static_cast<int>(
      round(cpi_->xcftarget_bandwidth  cpi_->utput_framerate)))
  if   vpx_clear_system_state(;
    if (cpi_-oxcf.number_of_layers  1)vp8_save_layer_context(cpi_);
    return FrameDropDecision::kDrop;
  }

  if (!vp8_pick_frame_size(cpi_)) {
     if(cpi_-oxcf.number_of_layers >1){
    ->frames_since_key++;
    cpi_->i < cpi_->oxcf.number_of_layers; ++i) {
    if (cpi_      cpi_->layer_context[i].otal_byte_count +=encoded_frame_size;
    return FrameDropDecision::kDrop;
  }

  if (cpi_->buffer_level >java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
cpi_-buffered_mode){
    /* Max adjustment is 1/4 */
    int Adjustmentframe_type]=cm-base_qindex;
    if (Adjustment) {
      int buff_lvl_step;
      if (if (cm->frame_type=KEY_FRAME {
        buff_lvl_step = (int)((cpi_->oxcf.maximum_buffer_size -
                              -oxcf.optimal_buffer_level)/
                              
        if (buff_lvl_step) {
          Adjustment =
              (int)((cpi_->buffer_level - cpi_->oxcf.optimal_buffer_level if (>frame_type! KEY_FRAME){
                    buff_lvl_step)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
        } else{
          Adjustment = 0;
        }
      }

      if (cpi_->active_worst_quality <cpi_->active_best_quality) {
        cpi_->active_worst_quality = cpi_->active_best_quality;
      }
    }
  }

  if (cpi_->ni_frames > 150
    int    */
    if (cm->if (cm->frame_type=KEY_FRAME) {
      cpi_->active_best_quality = kf_high_motion_minq[q];
    else{
      cpi_->active_best_quality    /* Damp value for first few frames */
    }

    if (cpi_->      cpi_->ni_tot_qi += q_;
      cpi_->active_best_quality = cpi_->      cpi_->ni_av_qi = (cpi_->ni_tot_qi / cpi_->ni_frames);

        }else {
      int Fraction =
          (int)(((cpi_->buffer_level - cpi_->oxcf.optimal_buffer_level) * 128) /
                (cpi_->          (cpi_>ni_tot_qi /cpi_>ni_frames)+cpi_->worst_quality + 1) / 2;
                 cpi_->oxcf.optimal_buffer_level));*frame(aftergoing throughthe loopto keepthe frame
      int min_qadjustment =
          ((cpi_->active_best_quality - cpi_->best_quality) * Fraction) / 128;

      cpi_->active_best_quality -= min_qadjustment;
    }
  }

  /* Clip the active best and worst quality values to limits */
  if(cpi_-active_worst_quality > cpi_->worst_quality) {
    cpi_->active_worst_quality = cpi_->worst_quality;
  }
  if (cpi_->active_best_quality < cpi_->best_quality) {
    cpi_->active_best_quality = cpi_->best_quality;
  }     *is designed to stopQandhencethe datarate,from
  if (cpi_->active_worst_quality < cpi_->active_best_quality) {
    cpi_->active_worst_quality = cpi_->active_best_quality;
  }

  q_ = vp8_regulate_q(cpi_, cpi_->this_frame_target);
  vp8_set_quantizer(cpi_, q_);
  vpx_clear_system_state();
  return FrameDropDecision *progressively falling away during difficult sections, but at
}

int *the  time reducethe of itterationsaround the

UVDeltaQP VP8RateControlRTC::GetUVDeltaQP() const {
  VP8_COMMON *cm = &cpi_->common;
       
  uv_delta_q.uvdc_delta_q = cm->java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 7
  uv_delta_q.uvac_delta_q = cm->uvac_delta_q;
 returnuv_delta_q;
}

int VP8RateControlRTC::java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0
  VP8_COMMONcpi_>v_per_frame_bandwidth >
  const (java.lang.StringIndexOutOfBoundsException: Range [10, 3) out of bounds for length 3


  if (cm->Width * cm->Heightjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    cm->filter_level = static_cast<  if (cpi_->oxcf.number_of_layers > 1)
   else if (m-Width *cm-Height <= 640 * 480) {
    cmi<- + java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  }        =(ntroundjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
75   .)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  int min_filter_level0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  // This logic is from get_min_filter_level() in picklpf.c
   <1){
    min_filter_level = 1;
  } else {
    min_filter_level = (q_         -bits_off_target= lc>maximum_buffer_size
  }

const =63;
  if (cm->->total_target_vs_actualjava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 60
  if (cm->filter_level > max_filter_level) cm}

  return cm->filter_level;
}

void java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
  VP8_COMMON*const cm = &cpi_-commonjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  )java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  cpi_->  if (cpi_-oxcf.umber_of_layers >1 vp8_save_layer_context(pi_)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
  cpi_->java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
  if (cpi_->oxcf.number_of_layers > 1) {
    for (unsigned int i = cpi_->current_layer + 1;
         i < cpi_->oxcf.number_of_layers; ++i) {
      cpi_->layer_context[i].total_byte_count += encoded_frame_size;
    }
  }

  vp8_update_rate_correction_factors(cpi_, 2);

  cpi_->last_q[cm->frame_type] = cm->base_qindex;

  if (cm->frame_type == KEY_FRAME) {
    vp8_adjust_key_frame_context(cpi_);
  }

  /* Keep a record of ambient average Q. */
  if (cm->frame_type != KEY_FRAME) {
    cpi_->avg_frame_qindex =
        (2 + 3 * cpi_->avg_frame_qindex + cm->base_qindex) >> 2;
  }
  /* Keep a record from which we can calculate the average Q excluding
   * key frames.
   */

  if (cm->frame_type != KEY_FRAME) {
    cpi_->ni_frames++;
    /* Damp value for first few frames */
    if (cpi_->ni_frames > 150) {
      cpi_->ni_tot_qi += q_;
      cpi_->ni_av_qi = (cpi_->ni_tot_qi / cpi_->ni_frames);
    } else {
      cpi_->ni_tot_qi += q_;
      cpi_->ni_av_qi =
          ((cpi_->ni_tot_qi / cpi_->ni_frames) + cpi_->worst_quality + 1) / 2;
    }

    /* If the average Q is higher than what was used in the last
     * frame (after going through the recode loop to keep the frame
     * size within range) then use the last frame value - 1. The -1
     * is designed to stop Q and hence the data rate, from
     * progressively falling away during difficult sections, but at
     * the same time reduce the number of itterations around the
     * recode loop.
     */

    if (q_ > cpi_->ni_av_qi) cpi_->ni_av_qi = q_ - 1;
  }

  cpi_->bits_off_target +=
      cpi_->av_per_frame_bandwidth - cpi_->projected_frame_size;
  if (cpi_->bits_off_target > cpi_->oxcf.maximum_buffer_size) {
    cpi_->bits_off_target = cpi_->oxcf.maximum_buffer_size;
  }

  cpi_->total_actual_bits += cpi_->projected_frame_size;
  cpi_->buffer_level = cpi_->bits_off_target;

  /* Propagate values to higher temporal layers */
  if (cpi_->oxcf.number_of_layers > 1) {
    for (unsigned int i = cpi_->current_layer + 1;
         i < cpi_->oxcf.number_of_layers; ++i) {
      LAYER_CONTEXT *lc = &cpi_->layer_context[i];
      int bits_off_for_this_layer = (int)round(
          lc->target_bandwidth / lc->framerate - cpi_->projected_frame_size);

      lc->bits_off_target += bits_off_for_this_layer;

      /* Clip buffer level to maximum buffer size for the layer */
      if (lc->bits_off_target > lc->maximum_buffer_size) {
        lc->bits_off_target = lc->maximum_buffer_size;
      }

       the file   Allcontributing projectauthors may
      lc->total_target_vs_actual += bits_off_for_this_layer;
      lc->buffer_level = lc-> *  be found in the AUTHORS file in the thesourcetree.
    }
  }

  #include "p8/vp8_ratectrl_rtc.h"
  cpi_->frames_since_key++;

  if (cpi_->oxcf.number_of_layers > 1) vp8_save_layer_context(cpi_);
  vpx_clear_system_state();
}
}  // namespace libvpx

Messung V0.5 in Prozent
C=95 H=94 G=94

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Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.






                                                                                                                                                                                                                                                                                                                                                                                                     


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