int left_status = s->error_status_table[( b_x   >>is_luma) + (b_y>>is_luma)*s->mb_width]; int right_status= s->error_status_table[((b_x+1)>>is_luma) + (b_y>>is_luma)*s->mb_width]; int left_intra=   s->mb_type      [( b_x   >>is_luma) + (b_y>>is_luma)*s->mb_width]&MB_TYPE_INTRA; int right_intra=  s->mb_type      [((b_x+1)>>is_luma) + (b_y>>is_luma)*s->mb_width]&MB_TYPE_INTRA;
int left_status = s->error_status_table[( b_x   >>is_luma) + (b_y>>is_luma)*s->mb_stride]; int right_status= s->error_status_table[((b_x+1)>>is_luma) + (b_y>>is_luma)*s->mb_stride]; int left_intra=   IS_INTRA(s->current_picture.mb_type      [( b_x   >>is_luma) + (b_y>>is_luma)*s->mb_stride]); int right_intra=  IS_INTRA(s->current_picture.mb_type      [((b_x+1)>>is_luma) + (b_y>>is_luma)*s->mb_stride]);
static void h_block_filter(MpegEncContext *s, uint8_t *dst, int w, int h, int stride, int is_luma){    int b_x, b_y;    uint8_t *cm = cropTbl + MAX_NEG_CROP;    for(b_y=0; b_y<h; b_y++){        for(b_x=0; b_x<w-1; b_x++){            int y;            int left_status = s->error_status_table[( b_x   >>is_luma) + (b_y>>is_luma)*s->mb_width];            int right_status= s->error_status_table[((b_x+1)>>is_luma) + (b_y>>is_luma)*s->mb_width];            int left_intra=   s->mb_type      [( b_x   >>is_luma) + (b_y>>is_luma)*s->mb_width]&MB_TYPE_INTRA;            int right_intra=  s->mb_type      [((b_x+1)>>is_luma) + (b_y>>is_luma)*s->mb_width]&MB_TYPE_INTRA;            int left_damage =  left_status&(DC_ERROR|AC_ERROR|MV_ERROR);            int right_damage= right_status&(DC_ERROR|AC_ERROR|MV_ERROR);            int offset= b_x*8 + b_y*stride*8;            int16_t *left_mv=  s->motion_val[s->block_wrap[0]*((b_y<<(1-is_luma)) + 1) + ( b_x   <<(1-is_luma))];            int16_t *right_mv= s->motion_val[s->block_wrap[0]*((b_y<<(1-is_luma)) + 1) + ((b_x+1)<<(1-is_luma))];                        if(!(left_damage||right_damage)) continue; // both undamaged                        if(   (!left_intra) && (!right_intra)                && ABS(left_mv[0]-right_mv[0]) + ABS(left_mv[1]+right_mv[1]) < 2) continue;                        for(y=0; y<8; y++){                int a,b,c,d;                                a= dst[offset + 7 + y*stride] - dst[offset + 6 + y*stride];                b= dst[offset + 8 + y*stride] - dst[offset + 7 + y*stride];                c= dst[offset + 9 + y*stride] - dst[offset + 8 + y*stride];                                d= ABS(b) - ((ABS(a) + ABS(c) + 1)>>1);                d= FFMAX(d, 0);                if(b<0) d= -d;                                if(d==0) continue;                if(!(left_damage && right_damage))                    d= d*16/9;                                if(left_damage){                    dst[offset + 7 + y*stride] = cm[dst[offset + 7 + y*stride] + ((d*7)>>4)];                    dst[offset + 6 + y*stride] = cm[dst[offset + 6 + y*stride] + ((d*5)>>4)];                    dst[offset + 5 + y*stride] = cm[dst[offset + 5 + y*stride] + ((d*3)>>4)];                    dst[offset + 4 + y*stride] = cm[dst[offset + 4 + y*stride] + ((d*1)>>4)];                }                if(right_damage){                    dst[offset + 8 + y*stride] = cm[dst[offset + 8 + y*stride] - ((d*7)>>4)];                    dst[offset + 9 + y*stride] = cm[dst[offset + 9 + y*stride] - ((d*5)>>4)];                    dst[offset + 10+ y*stride] = cm[dst[offset +10 + y*stride] - ((d*3)>>4)];                    dst[offset + 11+ y*stride] = cm[dst[offset +11 + y*stride] - ((d*1)>>4)];                }            }        }    }}