static av_always_inline int small_diamond_search(MpegEncContext * s, int *best, int dmin, int src_index, int ref_index, int const penalty_factor, int size, int h, int flags) { MotionEstContext * const c= &s->me; me_cmp_func cmpf, chroma_cmpf; int next_dir=-1; LOAD_COMMON LOAD_COMMON2 unsigned map_generation = c->map_generation; cmpf = s->mecc.me_cmp[size]; chroma_cmpf = s->mecc.me_cmp[size + 1]; { /* ensure that the best point is in the MAP as h/qpel refinement needs it */ const unsigned key = (best[1]<<ME_MAP_MV_BITS) + best[0] + map_generation; const int index= ((best[1]<<ME_MAP_SHIFT) + best[0])&(ME_MAP_SIZE-1); if(map[index]!=key){ //this will be executed only very rarey score_map[index]= cmp(s, best[0], best[1], 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags); map[index]= key; } } for(;;){ int d; const int dir= next_dir; const int x= best[0]; const int y= best[1]; next_dir=-1; if(dir!=2 && x>xmin) CHECK_MV_DIR(x-1, y , 0) if(dir!=3 && y>ymin) CHECK_MV_DIR(x , y-1, 1) if(dir!=0 && x<xmax) CHECK_MV_DIR(x+1, y , 2) if(dir!=1 && y<ymax) CHECK_MV_DIR(x , y+1, 3) if(next_dir==-1){ return dmin; } } }