for (i=0; i<4; i++) {
int vsub= ((i+1)&2) ? scale->vsub : 0;
+ ptrdiff_t in_offset = ((y>>vsub)+field) * cur_pic->linesize[i];
+ ptrdiff_t out_offset = field * out_buf->linesize[i];
in_stride[i] = cur_pic->linesize[i] * mul;
out_stride[i] = out_buf->linesize[i] * mul;
- in[i] = FF_PTR_ADD(cur_pic->data[i], ((y>>vsub)+field) * cur_pic->linesize[i]);
- out[i] = FF_PTR_ADD(out_buf->data[i], field * out_buf->linesize[i]);
+ in[i] = FF_PTR_ADD(cur_pic->data[i], in_offset);
+ out[i] = FF_PTR_ADD(out_buf->data[i], out_offset);
}
if (scale->input_is_pal)
in[1] = cur_pic->data[1];