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Optimize top non_zero_count_cache init. 

Originally committed as revision 21306 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-18 23:31:14 +00:00
parent 5e07aa7721
commit 70bd7a3d48
1 changed files with 2 additions and 5 deletions
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7
libavcodec/h264.h
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@ -970,16 +970,13 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
if(for_deblock){
*(uint32_t*)&h->non_zero_count_cache[4+8*0]= 0;
}else{
h->non_zero_count_cache[4+8*0]=
h->non_zero_count_cache[5+8*0]=
h->non_zero_count_cache[6+8*0]=
h->non_zero_count_cache[7+8*0]=
h->non_zero_count_cache[1+8*0]=
h->non_zero_count_cache[2+8*0]=
h->non_zero_count_cache[1+8*3]=
h->non_zero_count_cache[2+8*3]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
h->non_zero_count_cache[2+8*3]=
*(uint32_t*)&h->non_zero_count_cache[4+8*0]= CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;
}
}