do { \
uint32_t mask = pixel_mask[bit_depth - 8]; \
for (y = 0; y < sz; y++) { \
- for (x = 0; x < sz * SIZEOF_PIXEL; x += 4) { \
+ for (x = 0; x < PIXEL_STRIDE; x += 4) { \
AV_WN32A(src + y * PIXEL_STRIDE + x, rnd() & mask); \
AV_WN32A(dst + y * PIXEL_STRIDE + x, rnd() & mask); \
} \