* dimension 2: filter type (0: smooth, 1: regular, 2: sharp, 3: bilin)
* dimension 3: averaging type (0: put, 1: avg)
* dimension 4: x subpel interpolation (0: none, 1: 8tap/bilin)
- * dimension 5: y subpel interpolation (1: none, 1: 8tap/bilin)
+ * dimension 5: y subpel interpolation (0: none, 1: 8tap/bilin)
*
* dst/stride are aligned by hsize
*/