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Optimize pred_pskip_motion() 

7 cpu cycles faster on pentium dual.

Originally committed as revision 16304 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-12-24 03:23:38 +00:00
parent c26436ec46
commit 62ea19c061
1 changed files with 2 additions and 2 deletions
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4
libavcodec/h264.c
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@ -873,8 +873,8 @@ static inline void pred_pskip_motion(H264Context * const h, int * const mx, int
tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
|| (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
|| (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
|| !( top_ref | *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ])
|| !(left_ref | *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ])){
*mx = *my = 0;
return;