}
if ((*filterPos)[i] + filterSize > srcW) {
- int shift = (*filterPos)[i] + filterSize - srcW;
+ int shift = (*filterPos)[i] + FFMIN(filterSize - srcW, 0);
+
// move filter coefficients right to compensate for filterPos
for (j = filterSize - 2; j >= 0; j--) {
int right = FFMIN(j + shift, filterSize - 1);
filter[i * filterSize + right] += filter[i * filterSize + j];
filter[i * filterSize + j] = 0;
}
- (*filterPos)[i]= srcW - filterSize;
+ (*filterPos)[i]-= shift;
}
}