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H264: fix signed overflow in constant multiplication

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This fixes libavcodec/h264.h:1100: warning: integer overflow in expression

Originally committed as revision 22558 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2010-03-15 23:00:53 +00:00
parent 493f54ada0
commit 404793f4ac
1 changed files with 1 additions and 1 deletions
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2
libavcodec/h264.h
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@ -1097,7 +1097,7 @@ static void fill_decode_caches(H264Context *h, int mb_type){
fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, MB_TYPE_16x16>>1, 1); fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, MB_TYPE_16x16>>1, 1);
if(IS_DIRECT(top_type)){ if(IS_DIRECT(top_type)){
AV_WN32A(&h->direct_cache[scan8[0] - 1*8], 0x01010101*(MB_TYPE_DIRECT2>>1)); AV_WN32A(&h->direct_cache[scan8[0] - 1*8], 0x01010101u*(MB_TYPE_DIRECT2>>1));
}else if(IS_8X8(top_type)){ }else if(IS_8X8(top_type)){
int b8_xy = 4*top_xy; int b8_xy = 4*top_xy;
h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy + 2]; h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy + 2];