rewrote the horizontal lowpass filter to fix a bug which caused a blocky look

added deinterlace filters (linear interpolate, linear blend, median)
minor cleanups (removed some outcommented stuff)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@162 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/libpostproc/postprocess.h

@@ -22,6 +22,7 @@
 
 #define BLOCK_SIZE 8
 #define TEMP_STRIDE 8
+//#define NUM_BLOCKS_AT_ONCE 16 //not used yet
 
 #define V_DEBLOCK	0x01
 #define H_DEBLOCK	0x02
@@ -32,20 +33,28 @@
 #define LUM_H_DEBLOCK	H_DEBLOCK		//   2
 #define CHROM_V_DEBLOCK	(V_DEBLOCK<<4)		//  16
 #define CHROM_H_DEBLOCK	(H_DEBLOCK<<4)		//  32
-#define LUM_DERING	DERING			//   4
-#define CHROM_DERING	(DERING<<4)		//  64
+#define LUM_DERING	DERING			//   4 (not implemented yet)
+#define CHROM_DERING	(DERING<<4)		//  64 (not implemented yet)
 #define LUM_LEVEL_FIX	LEVEL_FIX		//   8
-//not supported currently
-#define CHROM_LEVEL_FIX	(LEVEL_FIX<<4)		// 128
+#define CHROM_LEVEL_FIX	(LEVEL_FIX<<4)		// 128 (not implemented yet)
 
 // Experimental vertical filters
 #define V_RK1_FILTER	0x0100			// 256
 #define V_X1_FILTER	0x0200			// 512
 
 // Experimental horizontal filters
-#define H_RK1_FILTER	0x1000			// 4096
+#define H_RK1_FILTER	0x1000			// 4096 (not implemented yet)
 #define H_X1_FILTER	0x2000			// 8192
 
+//Deinterlacing Filters
+#define DEINTERLACE_FILTER_MASK		0xF0000
+#define	LINEAR_IPOL_DEINT_FILTER	0x10000	// 65536
+#define	LINEAR_BLEND_DEINT_FILTER	0x20000	// 131072
+#define	CUBIC_BLEND_DEINT_FILTER	0x30000	// 196608 (not implemented yet)
+#define	CUBIC_IPOL_DEINT_FILTER		0x40000	// 262144 (not implemented yet)
+#define	MEDIAN_DEINT_FILTER		0x80000	// 524288 
+
+
 #define GET_PP_QUALITY_MAX 6
 
 //#define TIMEING
@@ -53,18 +62,6 @@
 
 #define QP_STORE_T int
 
-//#ifdef __cplusplus
-//#include <inttypes.h>
-
-//void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
-//	QP_STORE_T QPs[], int QPStride, int isColor, int mode);
-//#endif
-
-//#ifdef __cplusplus
-//extern "C"
-//{
-//#endif
-
 void postprocess(unsigned char * src[], int src_stride,
                  unsigned char * dst[], int dst_stride,
                  int horizontal_size,   int vertical_size,
@@ -72,8 +69,4 @@ void postprocess(unsigned char * src[], int src_stride,
 
 int getPpModeForQuality(int quality);
 
-//#ifdef __cplusplus
-//}
-//#endif
-
 #endif