*/
int ff_rotate_slice(SwsSlice *s, int lum, int chr);
-
/// initializes lum pixel format conversion descriptor
int ff_init_desc_fmt_convert(SwsFilterDescriptor *desc, SwsSlice * src, SwsSlice *dst, uint32_t *pal);
int ff_init_desc_no_chr(SwsFilterDescriptor *desc, SwsSlice * src, SwsSlice *dst);
+//number of extra lines to process
+#define MAX_LINES_AHEAD 4
+
#endif /* SWSCALE_SWSCALE_INTERNAL_H */