XCHG(*(uint64_t*)(h->top_border[s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg); XCHG(*(uint64_t*)(h->top_border[s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
if(deblock_top){ XCHG(*(uint64_t*)(h->top_border[s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg); XCHG(*(uint64_t*)(h->top_border[s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1); }
static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){    MpegEncContext * const s = &h->s;    int temp8, i;    uint64_t temp64;    src_y  -=   linesize + 1;    src_cb -= uvlinesize + 1;    src_cr -= uvlinesize + 1;#define XCHG(a,b,t,xchg)\t= a;\if(xchg)\    a= b;\b= t;        for(i=0; i<17; i++){        XCHG(h->left_border[i     ], src_y [i*  linesize], temp8, xchg);    }        XCHG(*(uint64_t*)(h->top_border[s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg);    XCHG(*(uint64_t*)(h->top_border[s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);    if(!(s->flags&CODEC_FLAG_GRAY)){        for(i=0; i<9; i++){            XCHG(h->left_border[i+17  ], src_cb[i*uvlinesize], temp8, xchg);            XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg);        }        XCHG(*(uint64_t*)(h->top_border[s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1);        XCHG(*(uint64_t*)(h->top_border[s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1);    }}