Commit 00829b9b authored by Loren Merritt's avatar Loren Merritt

simplify

Originally committed as revision 12224 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 97d1d009
......@@ -158,7 +158,7 @@ static uint8_t *png_choose_filter(PNGEncContext *s, uint8_t *dst,
buf1[0] = pred;
cost = 0;
for(i=0; i<=size; i++)
cost += abs(0x80 - (buf1[i] ^ 0x80));
cost += abs((int8_t)buf1[i]);
if(cost < bcost) {
bcost = cost;
FFSWAP(uint8_t*, buf1, buf2);
......
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