*/
/**
- * @file libavcodec/h264_mvpred.h
+ * @file
* H.264 / AVC / MPEG4 part10 motion vector predicion.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
* make mbaff happy, so we can't move all this logic to fill_caches */
if(FRAME_MBAFF){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
- const int x4 = X4, y4 = Y4;\
- const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
+#define SET_DIAG_MV(MV_OP, REF_OP, XY, Y4)\
+ const int xy = XY, y4 = Y4;\
+ const int mb_type = mb_types[xy+(y4>>2)*s->mb_stride];\
if(!USES_LIST(mb_type,list))\
return LIST_NOT_USED;\
- mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
+ mv = s->current_picture_ptr->motion_val[list][h->mb2b_xy[xy]+3 + y4*h->b_stride];\
h->mv_cache[list][scan8[0]-2][0] = mv[0];\
h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
- return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
+ return s->current_picture_ptr->ref_index[list][4*xy+1 + (y4&~1)] REF_OP;
if(topright_ref == PART_NOT_AVAILABLE
&& i >= scan8[0]+8 && (i&7)==4
*C = h->mv_cache[list][scan8[0]-2];
if(!MB_FIELD
- && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
- SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
+ && IS_INTERLACED(h->left_type[0])){
+ SET_DIAG_MV(*2, >>1, h->left_mb_xy[0]+s->mb_stride, (s->mb_y&1)*2+(i>>5));
+ assert(h->left_mb_xy[0] == h->left_mb_xy[1]);
}
if(MB_FIELD
- && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
+ && !IS_INTERLACED(h->left_type[0])){
// left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
- SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+ SET_DIAG_MV(/2, <<1, h->left_mb_xy[i>=36], ((i>>2))&3);
}
}
#undef SET_DIAG_MV