Simplify code in mv_pred.

Not benchmarked as this is petty much just code removial.

Originally committed as revision 22066 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Michael Niedermayer 15 years ago
parent 358b5b1a59
commit aa5ee59eee
  1. 8
      libavcodec/h264_mvpred.h

@ -62,14 +62,14 @@ static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, in
*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, h->left_mb_xy[0]+s->mb_stride, (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, h->left_mb_xy[i>=36], (- 1 + ((i-scan8[0])>>3)*2)&3);
SET_DIAG_MV(/2, <<1, h->left_mb_xy[i>=36], ((i>>2))&3);
}
}
#undef SET_DIAG_MV

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