#define SWS_X 8
#define SWS_POINT 0x10
#define SWS_AREA 0x20
+#define SWS_BICUBLIN 0x40
+#define SWS_GAUSS 0x80
+#define SWS_SINC 0x100
+#define SWS_LANCZOS 0x200
+#define SWS_SPLINE 0x400
-#define SWS_SRC_V_CHR_DROP_MASK 0x300
-#define SWS_SRC_V_CHR_DROP_SHIFT 8
+#define SWS_SRC_V_CHR_DROP_MASK 0x30000
+#define SWS_SRC_V_CHR_DROP_SHIFT 16
-//the following 4 flags are not completly implemented
+#define SWS_PARAM_MASK 0x3FC0000
+#define SWS_PARAM_SHIFT 18
+
+#define SWS_PRINT_INFO 0x1000
+
+//the following 3 flags are not completly implemented
//internal chrominace subsamling info
#define SWS_FULL_CHR_H_INT 0x2000
//input subsampling info
#define SWS_FULL_CHR_H_INP 0x4000
#define SWS_DIRECT_BGR 0x8000
-#define SWS_PRINT_INFO 0x1000
#define SWS_MAX_REDUCE_CUTOFF 0.002