- src[8*y+0] = (x7 + x1) >> 8
- src[8*y+1] = (x3 + x2) >> 8
- src[8*y+2] = (x0 + x4) >> 8
- src[8*y+3] = (x8 + x6) >> 8
- src[8*y+4] = (x8 - x6) >> 8
- src[8*y+5] = (x0 - x4) >> 8
- src[8*y+6] = (x3 - x2) >> 8
- src[8*y+7] = (x7 - x1) >> 8
+ src[y8+0] = (x7 + x1) >> 8
+ src[y8+1] = (x3 + x2) >> 8
+ src[y8+2] = (x0 + x4) >> 8
+ src[y8+3] = (x8 + x6) >> 8
+ src[y8+4] = (x8 - x6) >> 8
+ src[y8+5] = (x0 - x4) >> 8
+ src[y8+6] = (x3 - x2) >> 8
+ src[y8+7] = (x7 - x1) >> 8