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simplify 

Originally committed as revision 12224 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2008-02-26 07:35:56 +00:00
parent 97d1d009e2
commit 00829b9bc1
1 changed files with 1 additions and 1 deletions
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libavcodec/pngenc.c
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@ -158,7 +158,7 @@ static uint8_t *png_choose_filter(PNGEncContext *s, uint8_t *dst,
buf1[0] = pred; buf1[0] = pred;
cost = 0; cost = 0;
for(i=0; i<=size; i++) for(i=0; i<=size; i++)
cost += abs(0x80 - (buf1[i] ^ 0x80)); cost += abs((int8_t)buf1[i]);
if(cost < bcost) { if(cost < bcost) {
bcost = cost; bcost = cost;
FFSWAP(uint8_t*, buf1, buf2); FFSWAP(uint8_t*, buf1, buf2);