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small optimization

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Originally committed as revision 7327 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2006-12-17 15:26:50 +00:00
parent af6a403a05
commit c29ff23c2a
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vp6.c
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@ -343,7 +343,7 @@ static int vp6_block_variance(uint8_t *src, int stride)
}
src += 2*stride;
}
return (16*square_sum - sum*sum) / (16*16);
return (16*square_sum - sum*sum) >> 8;
}
static void vp6_filter_hv2(vp56_context_t *s, uint8_t *dst, uint8_t *src,