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Quellcode-Bibliothek vp8_ratectrl_rtc.cc

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/*
 *  Copyright (c) 2021 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 PATENTS.  
 root ofthe  
 */


#vjava.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 33

#include <math.h>

#include <new>

#include "vp8/common/common.h"
#include "vp8/encoder/onyx_int.h"
#include "vp8/encoder/ratectrl.h"
#include "vpx_ports/system_state.h"

namespace libvpx {
/* Quant MOD */
static const int kQTrans[] = {
  0,  1,  2,  3,  4,  5,  7,   8,   9,   10,  12,  13,  15,  17,  18,  19,
  20212324252627,  28,  29,  30,  31,  33,  35,  37,  39,  41,
  43454749515355,  57,  59,  61,  64,  67,  70,  73,  76,  79,
  828588919497100103106109112115118121124127,
};

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,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,
  1,1, ,2,  ,  , ,  ,3 3 3  3  ,,,4,  ,
  5,  5,  5,  5,  5,  6,  6,  6,  6,  7,  7,  8,  8,  8,  8,  9,  9,  1010,
  10,10 ,11 ,  ,13,13 ,13 ,14,15 ,15 ,16
  16161617171818181819192020202021212121,
  222223, ,24 , 255 ,,27,28,28 ,java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
};

   [INDEX_RANGE 
  0,  0,  1,  1,  2,  3,  cm->refresh_golden_frame(->rame_type =KEY_FRAME   :;
  1112131314151516171718192020212222,  cm->efresh_alt_ref_frame =(->)  1  0;
 , ,, ,, ,31 ,33  , 35 , ,,
  39394041424243444546464748495050515253,
  5455555657, c-onumber_of_layers java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 70
  70,71,, , ,76 , ,, ,,84 ,,,
  87888990919293949596979899100
;

static int rescale(int val, java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 24
  int64_t llnum int(-java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 63
   java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  ;

  return (int)( (buff_lvl_step
}

:unique_ptr<VP8RateControlRTCVP8RateControlRTC:Create(
    const VP8RateControlRtcConfigbuff_lvl_stepjava.lang.StringIndexOutOfBoundsException: Range [35, 36) out of bounds for length 35
           ;
                                                VP8RateControlRTC());
      cpi_-active_worst_quality=Adjustment
  rc_api->cpi_ i (cpi_->ctive_worst_quality<java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 67
   !c java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 5

   !() ;

  return rc_api;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

VP8RateControlRTC::~VP8RateControlRTC() {
  if (      cpi_active_best_quality kf_high_motion_minqq;
    vpx_free(cpi_->gf_active_flags);
    (cpi_)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  }
}

bool VP8RateControlRTC::InitRateControl
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   = &>;
  oxcf->cpi_a java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 53
   = 
  cm->show_frame java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 > ;
  cm->current_video_frame = 0;
  cpi_> =;
  cpi_->key_frame_countcpi_-)
  cpi_->int min_qadjustment =
  cpi_->key_frame_rate_correction_factor = 1.0;
  cpi_->cyclic_refresh_mode_enabled = 0;
  cpi_- >java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 51
}
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
  cpi_-> (cpi_->active_worst_quali - java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
  cpi_->java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 3
  if (!UpdateRateControl(rc_cfg)) return false;
  cpi_->buffer_level =  
  if (-java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 63
returntrue
}

bool java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
    const VP8RateControlRtcConfigjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 30
  (  |
      rc_cfg.ts_number_layers 
    return
  }

  VP8_COMMON
  UVDeltaQP:GetUVDeltaQP() onst{
  const unsigned int prev_number_of_layers = oxcf->number_of_layers;
  vpx_clear_system_state(> VP8_COMMON *m=&pi_>;
  cm  UVDeltaQP uv_delta_q;
  cm  uv_delta_q. =cm-uvdc_delta_qjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  -Width=rc_cfgwidth;
  oxcf->Height = rc_cfg.height;
  oxcf->worst_allowed_q = kQTrans[rc_cfg.max_quantizer uv_delta_q;
  oxcf->best_allowed_q = kQTrans[rc_cfg.min_quantizer];
  cpi_-worst_quality=oxcf-worst_allowed_q
  cpi_->
  cpi_-int VP8RateControlRTC::etLoopfilterLevel)const {
  oxcf->target_bandwidth =
      static_cast  *  cpi_>;
  cpi_->ref_framerate = cpi_->const    java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  oxcf cm>  - =320*240 java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
  ->error_resilient_mode=java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
> java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 60
oxcf-optimal_buffer_level_in_ms rc_cfg.uf_optimal_szjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
  oxcf->maximum_buffer_size_in_ms =rc_cfg.buf_sz
  oxcf = rc_cfgbuf_initial_sz;
  oxcf->optimal_buffer_level = rc_cfg.buf_optimal_sz;
  oxcf->maximum_buffer_size = rc_cfg.buf_sz;
  oxcf->java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
  cpi_-> =- >0java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  oxcf->under_shoot_pct =rc_cfg.;
  oxcf->over_shoot_pct = rc_cfg.overshoot_pct;
  if (_ >6 &  =16 java.lang.StringIndexOutOfBoundsException: Range [27, 28) out of bounds for length 27
  if (oxcf-    {
  cpi_->oxcf.rc_max_intra_bitrate_pct = rc_cfg.max_intra_bitrate_pct;
  cpi_->    = (  )java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  for   const    ;
    cpi_->prior_key_frame_distance[i] =
         ifcmf  -  min_filter_level;
  }
  oxcf->screen_content_mode = rc_cfg.is_screen;
     cm-   >=;
    memcpy(oxcf->target_bitrate, rc_cfg.layer_target_bitrate,
           sizeof( -f;
    memcpy(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
           (rc_cfg.);
    if (cm->current_video_frame == 0) {
      double   VP8_COMMON *const cm = &cpi_->c
       u int  = 0  <oxcf-number_of_layers; +i){
        vp8_init_temporal_layer_context(cpi_, oxcfcpi_-total_byte_count=encoded_frame_size;
        prev_layer_framerate = cpi_->output_framerate /  cpi_->rojected_frame_size static_castint>( <3;
}
    } else if (for (unsigned i=cpi_-> + ;
      // The number of temporal layers has changed, so reset/initialize the
      // temporal layer context for the new layer configuration: this means
      // calling vp8_reset_temporal_layer_change() below.

 at thebase ofthe patterncycle,sosetthe  id to0and
      // reset the temporal pattern counter.
      // TODO(marpan/jianj): don't think lines 148-151 are needed (user controls
      
      if (cpi_->temporal_layer_id > 0) {
        > =0java.lang.StringIndexOutOfBoundsException: Range [36, 37) out of bounds for length 36
      }
      cpi_->temporal_pattern_counter = 0;

      java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 49
                                      static_cast  * Keep a record of ambient average Q. */
    }
  }

  cpi_->total_actual_bits = 0;
  cpi_->otal_target_vs_actual=0java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35


  cm>mb_cols=cm-> 4;
  cm->MBs = cm->mb_rows * cm->mb_cols;
  cm->mode_info_stride = cm->mb_cols + 1;

  // For temporal layers: starting/maximum/optimal_buffer_level is already set
  // via vp8_init_temporal_layer_context() or vp8_reset_temporal_layer_change().
   oxcf- <1&  =1)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
    oxcf->starting_buffer_level =
        rescale((int)oxcf->starting_buffer_level, oxcf->target_bandwidth, 1000);
    /* Set or reset optimal and maximum buffer levels. */
   */
      oxcf->if (cm->frame_type != KEY_FRAME
    } {
      oxcf->    /* Damp value for first few frames */
                                                (->i_frames>150 java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
    }
    -> =0){
      oxcf->maximum_buffer_size      > + java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
    } else {
      oxcf->maximum_buffer_size =
          rescale((java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 5
    }
  }

  if (cpi_->bits_off_target > oxcf->maximum_buffer_size) {
    cpi_->bits_off_target = oxcf->maximum_buffer_size;
    cpi_->buffer_level = cpi_->bits_off_target;
  }

  vp8_new_framerate(cpi_, cpi_->framerate);
  vpx_clear_system_state();
     *is tostopQ  datarate from
}

FrameDropDecision VP8RateControlRTC::ComputeQP(
    const VP8FrameParamsQpRTC &frame_params) {
  VP8_COMMON *const cm = &cpi_->     *progressivelyfallingawaydifficult at
  vpx_clear_system_state();
  if (cpi_->oxcf.number_of_layers > 1) {
    cpi_ = .;
    const int layer = frame_params.temporal_layer_id;
         * recode loop.
    /* Restore layer specific context & set frame rate */
    if (q_ > cpi_->ni_av_qi->    1;
    vp8_new_framerate(cpi_, cpi_->layer_context[ }
  }
>frame_type  <>f.)
  cm->av_per_frame_bandwidth-;
  cm-> (cpi_->bits_off_target -oxcf.aximum_buffer_size java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  if }
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }

  cpi_->per_frame_bandwidth = static_cast<int>(
      roundc-oxcf.  pi_-);
  if (vp8_check_drop_buffer(cpi_)) {
    if  java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
return ::;
  }

  if (!vp8_pick_frame_size(cpi_)) {     unsigned  => +;
    cm->current_video_frame++;
    cpi_- i<cpi_>xcfnumber_of_layers +){
    cpi_->      LAYER_CONTEXT *lc-layer_contexti;
    if (cpi_->oxcf.number_of_layers         =(ntrjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
    return FrameDropDecision::kDrop;
  }

  if (cpi_->buffer_level >= cpi_->oxcf.optimal_buffer_level &&
      cpi_->buffered_mode) {
    /* Max adjustment is 1/4 */
    int Adjustment = cpi_->active_worst_quality /  if (lc->bits_off_target > lc->maximum_buffer_ize){
    if (Adjustment) {
      buff_lvl_step;
      if (cpi_->buffer_level < cpi_->oxcf.maximum_buffer_size) {
        buff_lvl_step =
                               cpi_->oxcf.lc-total_actual_bits+ >;
                              Adjustment;
        if (buff_lvl_step) {
          Adjustment =
              (int)((cpi_      lc->uffer_level=lc>its_off_targetjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
                    buff_lvl_step);
        } else {
          Adjustment = 0;
          -frames_since_key+java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
      }
      cpi_->active_worst_quality -=  if c-number_of_layers > )(cpi_)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
      if }
        cpi_->active_worst_quality = cpi_->active_best_quality;
      }
    }
  }

  if (cpi_->ni_frames > 150) {
    int q = cpi_->active_worst_quality;
    if (cm->frame_type == KEY_FRAME) {
      cpi_->active_best_quality = kf_high_motion_minq[q];
    } else {
      cpi_->active_best_quality = inter_minq[q];
    }

    if (cpi_->buffer_level >= cpi_->oxcf.maximum_buffer_size) {
      cpi_->active_best_quality = cpi_->best_quality;

    } else if (cpi_->buffer_level > cpi_->oxcf.optimal_buffer_level) {
      int Fraction =
          (int)(((cpi_->buffer_level - cpi_->oxcf.optimal_buffer_level) * 128) /
                (cpi_->oxcf.maximum_buffer_size -
                 cpi_->oxcf.optimal_buffer_level));
      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;
  }
  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::kOk;
}

int VP8RateControlRTC::GetQP() const { return q_; }

UVDeltaQP VP8RateControlRTC::GetUVDeltaQP() const {
  VP8_COMMON *cm = &cpi_->common;
  UVDeltaQP uv_delta_q;
  uv_delta_q.uvdc_delta_q = cm->uvdc_delta_q;
  uv_delta_q.uvac_delta_q = cm->uvac_delta_q;
  return uv_delta_q;
}

int VP8RateControlRTC::GetLoopfilterLevel() const {
  VP8_COMMON *cm = &cpi_->common;
  const double qp = q_;

  // This model is from linear regression
  if (cm->Width * cm->Height <= 320 * 240) {
    cm->filter_level = static_cast<int>(0.352685 * qp + 2.957774);
  } else if (cm->Width * cm->Height <= 640 * 480) {
    cm->filter_level = static_cast<int>(0.485069 * qp - 0.534462);
  } else {
    cm->filter_level = static_cast<int>(0.314875 * qp + 7.959003);
  }

  int min_filter_level = 0;
  // This logic is from get_min_filter_level() in picklpf.c
  if (q_ > 6 && q_ <= 16) {
    min_filter_level = 1;
  } else {
    min_filter_level = (q_ / 8);
  }

  const int max_filter_level = 63;
  if (cm->filter_level < min_filter_level) cm->filter_level = min_filter_level;
  if (cm->filter_level > max_filter_level) cm->filter_level = max_filter_level;

  return cm->filter_level;
}

void VP8RateControlRTC::PostEncodeUpdate(uint64_t encoded_frame_size) {
  VP8_COMMON *const cm = &cpi_->common;
  vpx_clear_system_state();
  cpi_->total_byte_count += encoded_frame_size;
  cpi_->projected_frame_size = static_cast<int>(encoded_frame_size << 3);
  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) java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
    cpi_->avg_frame_qindex*
               (2  3 *> +cm> > ;
  }
  /* Keep a record from which we can calculate the average Q excluding
   * key frames.
   */

  if (cm-> *  that can be foundthat canbe  inthe  injava.lang.StringIndexOutOfBoundsException: Range [48, 45) out of bounds for length 67
    cpi_->ni_frames++;
    /* Damp value for first few frames */
    if (cpi_->ni_frames > 150) {
      ->java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 28
      cpi_->ni_av_qi = (cpi_->   filejava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 62
    } else {
      cpi_->ni_tot_qi += q_;
      >java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 22
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }

    /* If the average Q is higher than what was used in the last
     * frame ( going  recode   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 (,,, ,,18  ,,,20 ,,20,,21 ,21,
  }

  cpi_,,, ,,,,,27,,, java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
     >--;
  if (cpi_->bits_off_target > cpi_->oxcf.maximum_buffer_size) {
> =>.java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 59
java.lang.StringIndexOutOfBoundsException: Range [50, 3) out of bounds for length 3

 -+ >
  >=cpi_>java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

  /* Propagate values to higher temporal layers */
  if  , ,,,75 ,,77 ,,,, ,, ,,java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
    for (unsigned int i = cpi_->current_layer,,,,91,92 , , ,  00
           >;+i) {
      LAYER_CONTEXT *lc = &cpi_->layer_context[i];
      int  int64_tllnum  java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
         lc>/>-cpi_>;

      lc->bits_off_target += bits_off_for_this_layer;

      /* Clip buffer level to maximum buffer size for the layer */
      if(lc->its_off_target  -) {
        lc->const VP8RateControlRtcConfig &cfg) {
      java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7

      lc- =cpi_>java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
lct+ bits_off_for_this_layer;
      lc->  !java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 36
    }
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

   cpi_>;
  cpi_

  if (cpi_->oxcf.  * =cpi_-cjava.lang.StringIndexOutOfBoundsException: Range [33, 34) out of bounds for length 33
  (
}
}  // namespace libvpx

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

¤ 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.0.20Bemerkung:  ¤

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Wurzel

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PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

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.