for (int i = 0; i < ac.length; i++) {
dc[i] = ac[i][0];
}
return dc;
}
<BUG>private int lumaDCPred(int x, int y) {
</BUG>
if (x == 0 && y == 0)
<BUG>return 128;
</BUG>
if (y == 0)

for (int i = 0; i < ac.length; i++) {
dc[i] = ac[i][0];
}
return dc;
}
private byte lumaDCPred(int x, int y) {
if (x == 0 && y == 0)
return 0;
