Revision a6ddf8bf libavfilter/vf_hflip.c

View differences:

libavfilter/vf_hflip.c
27 27 
#include "avfilter.h"
28 28 
#include "libavutil/pixdesc.h"
29 29 
#include "libavutil/intreadwrite.h"
30 
#include "libavcore/imgutils.h"
30 31 

  		




  31
  32
  
    
typedef struct {


  		




  32
  33
  
    
    int max_step[4];    ///< max pixel step for each plane, expressed as a number of bytes


  		




  ......




  68
  69
  
    
{


  		




  69
  70
  
    
    FlipContext *flip = inlink->dst->priv;


  		




  70
  71
  
    
    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];


  		




  71
  
  
    
    int i;


  		




  72
  
  
    

  		




  73
  
  
    
    memset(flip->max_step, 0, sizeof(flip->max_step));


  		




  74
  
  
    
    for (i = 0; i < 4; i++) {


  		




  75
  
  
    
        const AVComponentDescriptor *comp = &(pix_desc->comp[i]);


  		




  76
  
  
    
        if ((comp->step_minus1+1) > flip->max_step[comp->plane])


  		




  77
  
  
    
            flip->max_step[comp->plane] = comp->step_minus1+1;


  		




  78
  
  
    
    }


  		




  79
  72
  
    

  		




  
  73
  
    
    av_fill_image_max_pixstep(flip->max_step, NULL, pix_desc);


  		




  80
  74
  
    
    flip->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;


  		




  81
  75
  
    
    flip->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;


  		




  82
  76
  
    

  		












Also available in:  Unified diff