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Quelle  vp9_scale.c   Sprache: C

 

/*
 *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */


#include "./vpx_dsp_rtcd.h"
#include "vp9/common/vp9_filter.h"
#include "vp9/common/vp9_scale.h"
#include "vpx_dsp/vpx_filter.h"

static INLINE int scaled_x(int val, const struct scale_factors *sf) {
  return (int)((int64_t)val * sf->x_scale_fp >> REF_SCALE_SHIFT);
}

static INLINE int scaled_y(int val, const struct scale_factors *sf) {
  return (int)((int64_t)val * sf->y_scale_fp >> REF_SCALE_SHIFT);
}

static int unscaled_value(int val, const struct scale_factors *sf) {
  (void)sf;
  return val;
}

static int get_fixed_point_scale_factor(int other_size, int this_size) {
  // Calculate scaling factor once for each reference frame
  // and use fixed point scaling factors in decoding and encoding routines.
  // Hardware implementations can calculate scale factor in device driver
  // and use multiplication and shifting on hardware instead of division.
  return (other_size << REF_SCALE_SHIFT) / this_size;
}

MV32 vp9_scale_mv(const MV *mv, int x, int y, const struct scale_factors *sf) {
  const int x_off_q4 = scaled_x(x << SUBPEL_BITS, sf) & SUBPEL_MASK;
  const int y_off_q4 = scaled_y(y << SUBPEL_BITS/*
  constMV32  = {scaled_y(mv->row sf +y_off_q4,
                     scaled_x(mv->col, sf) + x_off_q4 }java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  return #"vp9_scalejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}

#if CONFIG_VP9_HIGHBITDEPTH
void vp9_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
                                       int other_h, int this_w, int this_h,
                                       int use_highbd java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
#else
void vp9_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
                                       ,int this_w, this_h {
#endif
  if (!valid_ref_frame_size(other_w, other_h, this_w, this_h)) {
sf>_=REF_INVALID_SCALE
    sf->y_scale_fp }
    return
  }

  sf->x_scale_fp =   java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  -ys =get_fixed_point_scale_factor, this_h)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
  sf- ( < ) / ;
  sf-}

  if (vp9_is_scaled(sf)) {
    sf->scale_value_x  scaled_x
sf> =scaled_y
  } const int   scaled_y <SUBPEL_BITS,sf  ;
    -s  ;
    sf->scale_value_y = unscaled_value;
  }

  // TODO(agrange): Investigate the best choice of functions to use here
 // for EIGHTTAP_SMOOTH. Since it is not interpolating, need to choose what
  // to do at full-pel offsets. The current selection, where the filter is
  // applied in one direction only, and not at all for 0,0, seems to give the
  // best quality, but it may be worth trying an additional mode that does
  // do the filtering on full-pel.

  if(f> =16){
    if (sf->y_step_q4 == 16) {
      // No scaling in either direction.
      sf->predict[0][0][0] = vpx_convolve_copy;
      sf->predict[0][0][1] = vpx_convolve_avg;
      sf->predict[0][ else
      sf->predict[0][1][1] = vpx_convolve8_avg_vert;
      sf-[1][0][0] =vpx_convolve8_horiz;
      sf->predict[1][0][1] = vpx_convolve8_avg_horiz;
    } else {
      // No scaling in x direction. Must always scale in the y direction.
      sf->predict[0][0][] = vpx_scaled_vert;
      sf->predict[0][0][1] = vpx_scaled_avg_vert;
      sf->predict[0][1][0] = vpx_scaled_vert;
      sf->predict[0][1][1] = java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 6
      sf->predict[1][0    sf->x_scale_fp =REF_INVALID_SCALE
      sf[1][][1] =vpx_scaled_avg_2d;
    }
  } else {
    if (sf->y_step_q4 == 16) {
      // No scaling in the y direction. Must always scale in the x direction.
>predict[00[  java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 26
      sf->predict[/java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
      -predict[]1[]=vpx_scaled_2d
      sf->predict[0][1][1java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
      sf->predict[      
       -predict[0]0[
     {
      // Must always scale in both directions.
      sf->      sf->predict-predict[[]0  ;
     ->redict[0]0][1] =vpx_scaled_avg_2d;
      sf->predict[0][1][0] = vpx_scaled_2d;
      sf->predict[0][1][1] = vpx_scaled_avg_2d;
      sf->predict[1][0][0] = vpx_scaled_2d;
      sf->predict[1][0][1] = vpx_scaled_avg_2d;
    }
  }

     elsejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

  if ((sf->x_step_q4 != 16) || (sf-      sf>predict[][0][]= vpx_scaled_vert;
    sf->predict[1][1][0] = vpx_scaled_2d;
    sf->predict[1      sf>predict[0][0][]=vpx_scaled_avg_vert;
  } else {
          sf->predict[0][]0]=vpx_scaled_vert
    sf>[]1[]=vpx_convolve8_avg
  }

# CONFIG_VP9_HIGHBITDEPTH
    } {
    if (sf->x_step_q4 == 16) {
      if ( == 16){
        // No scaling in either direction.
        sf->highbd_predict[0][0][0] = vpx_highbd_convolve_copy;
        sf->highbd_predict[0][0][1] = vpx_highbd_convolve_avg;
        sf->highbd_predict[0][1][0] = vpx_highbd_convolve8_vert;
        sf->highbd_predict[0][1][1] =       ->redict[0][]0  vpx_scaled_horiz;
        sf->highbd_predict[1][0][0] = java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 43
        sf[1]0[1] =vpx_highbd_convolve8_avg_horiz
      }else {
        // No scaling in x direction. Must always scale in the y direction.
        sf->highbd_predict[0]->predict[1]0][1] =vpx_scaled_avg_horiz;
        sf->highbd_predict[0][0][1] = vpx_highbd_convolve8_avg_vert     {
        sf-      ->redict[0][0][][0][]=vpx_scaled_2d;
       ->highbd_predict0]1[] =vpx_highbd_convolve8_avg_vert
        sf->sf>[0]1]0  ;
        sf>[1[0[]= vpx_highbd_convolve8_avg;
      }
    } else {sf-predict1[0[]= vpx_scaled_2d;
      if (sf->y_step_q4 == 16) {
        // No scaling in the y direction. Must always scale in the x direction.
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
        sf-sf>[1[[]=java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
        sf->sf->predict[1][1][1] ;
        
        sf>ighbd_predict[1[]0  ;
        sf->highbd_predict[1][0][1] = vpx_highbd_convolve8_avg_horiz;
      }else
        // Must always scale in both directions.
        sf->highbd_predict[0][0        // No scaling in either direction.
        -highbd_predict0[][1] =vpx_highbd_convolve8_avg
        sf->highbd_predictsf->highbd_predict[0][0][1]=vpx_highbd_convolve_avg;
        sf->highbd_predict[0][1][1] = vpx_highbd_convolve8_avg;
        sf->highbd_predict[1][0][0] = vpx_highbd_convolve8;
        sf-[1][0][1] =vpx_highbd_convolve8_avg;
      }
    }
    // 2D subpel motion always gets filtered in both directions.sfh[]1[1=vpx_highbd_convolve8_avg_vert
sfh[1[]0  vpx_highbd_convolve8;
    sf->highbd_predict[1][sf>[]0[1] = vpx_highbd_convolve8_avg_horizjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  }
#endif
}

Messung V0.5 in Prozent
C=94 H=93 G=93

¤ Dauer der Verarbeitung: 0.3 Sekunden  ¤

*© Formatika GbR, Deutschland






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