// emulated overhangs if the stride of the target buffer can't hold. This
// makes it possible to support emu-edge and so on even if we have large block
// overhangs
- emu[0] = (col + w4) * 8 > f->linesize[0] ||
+ emu[0] = (col + w4) * 8 * bytesperpixel > f->linesize[0] ||
(row + h4) > s->rows;
- emu[1] = (col + w4) * 4 > f->linesize[1] ||
+ emu[1] = ((col + w4) * 8 >> s->ss_h) * bytesperpixel > f->linesize[1] ||
(row + h4) > s->rows;
if (emu[0]) {
s->dst[0] = s->tmp_y;