- block[i * 4 + 0] = 0;
- block[i * 4 + 1] = 0;
- block[i * 4 + 2] = 0;
- block[i * 4 + 3] = 0;
- tmp[i * 4 + 0] = (a1 + d1) >> 14;
- tmp[i * 4 + 3] = (a1 - d1) >> 14;
- tmp[i * 4 + 1] = (b1 + c1) >> 14;
- tmp[i * 4 + 2] = (b1 - c1) >> 14;
+ AV_ZERO64(block + i * 4);
+ tmp[i * 4 + 0] = (int)(a1 + d1) >> 14;
+ tmp[i * 4 + 3] = (int)(a1 - d1) >> 14;
+ tmp[i * 4 + 1] = (int)(b1 + c1) >> 14;
+ tmp[i * 4 + 2] = (int)(b1 - c1) >> 14;