signed overflow is undefined in C ...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* reasonable filterSize), and re-add that at the end. */
val -= 0x40000000;
for (j = 0; j < filterSize; j++)
* reasonable filterSize), and re-add that at the end. */
val -= 0x40000000;
for (j = 0; j < filterSize; j++)
- val += src[j][i] * filter[j];
+ val += src[j][i] * (unsigned)filter[j];
output_pixel(&dest[i], val, 0x8000, int);
}
output_pixel(&dest[i], val, 0x8000, int);
}
int R, G, B;
for (j = 0; j < lumFilterSize; j++) {
int R, G, B;
for (j = 0; j < lumFilterSize; j++) {
- Y1 += lumSrc[j][i * 2] * lumFilter[j];
- Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
+ Y1 += lumSrc[j][i * 2] * (unsigned)lumFilter[j];
+ Y2 += lumSrc[j][i * 2 + 1] * (unsigned)lumFilter[j];
- for (j = 0; j < chrFilterSize; j++) {
- U += chrUSrc[j][i] * chrFilter[j];
- V += chrVSrc[j][i] * chrFilter[j];
+ for (j = 0; j < chrFilterSize; j++) {;
+ U += chrUSrc[j][i] * (unsigned)chrFilter[j];
+ V += chrVSrc[j][i] * (unsigned)chrFilter[j];
}
// 8bit: 12+15=27; 16-bit: 12+19=31
}
// 8bit: 12+15=27; 16-bit: 12+19=31