--- global.h	2002/05/11 12:28:19	1.8
+++ global.h	2003/04/04 22:16:15	1.22
@@ -11,8 +11,8 @@
 #define MODE_INTER4V	2
 #define	MODE_INTRA		3
 #define MODE_INTRA_Q	4
-#define MODE_STUFFING	7
 #define MODE_NOT_CODED	16
+#define MODE_NOT_CODED_GMC	17
 
 /* --- bframe specific --- */
 
@@ -21,6 +21,68 @@
 #define MODE_BACKWARD		2
 #define MODE_FORWARD		3
 #define MODE_DIRECT_NONE_MV	4
+#define MODE_DIRECT_NO4V	5
+
+typedef struct 
+{
+	VECTOR duv[3];
+}
+WARPPOINTS;
+
+/* save all warping parameters for GMC once and for all, instead of 
+   recalculating for every block. This is needed for encoding&decoding
+   When switching to incremental calculations, this will get much shorter 
+*/
+
+/*	we don't include WARPPOINTS wp	here, but in FRAMEINFO itself */
+
+typedef struct 
+{
+	int num_wp;		//	[input]: 0=none, 1=translation, 2,3 = warping
+							//  a value of -1 means: "structure not initialized!"
+	int s;					//  [input]: calc is done with 1/s pel resolution
+
+	int W;
+	int H;
+	
+	int ss;		
+	int smask;	
+	int sigma;     
+	
+	int r;		
+	int rho;	
+
+	int i0s;
+	int j0s;
+	int i1s;
+	int j1s;
+	int i2s;
+	int j2s;
+	
+	int i1ss; 
+	int j1ss; 
+	int i2ss; 
+	int j2ss; 
+
+	int alpha;
+	int beta;
+	int Ws; 
+	int Hs; 
+	
+	int dxF, dyF, dxG, dyG; 
+	int Fo, Go;
+	int cFo, cGo;
+}
+GMC_DATA;
+
+
+typedef struct
+{
+	uint8_t *y;
+	uint8_t *u;
+	uint8_t *v;
+}
+IMAGE;
 
 
 typedef struct
@@ -32,7 +94,8 @@
 	uint32_t *tail;
 	uint32_t *start;
 	uint32_t length;
-} 
+	uint32_t initpos;
+}
 Bitstream;
 
 
@@ -43,14 +106,12 @@
 {
 	// decoder/encoder 
 	VECTOR mvs[4];
-	int32_t sad8[4];		// (signed!) SAD values for inter4v-VECTORs
-	int32_t sad16;			// (signed!) SAD value for inter-VECTOR
 
-    short int pred_values[6][MBPRED_SIZE];
-    int acpred_directions[6];
-    
+	short int pred_values[6][MBPRED_SIZE];
+	int acpred_directions[6];
+
 	int mode;
-	int quant;		// absolute quant
+	int quant;					// absolute quant
 
 	int field_dct;
 	int field_pred;
@@ -59,38 +120,54 @@
 
 	// encoder specific
 
+	VECTOR mv16;
 	VECTOR pmvs[4];
+	VECTOR qmvs[4];				// mvs in quarter pixel resolution
+
+	int32_t sad8[4];			// SAD values for inter4v-VECTORs
+	int32_t sad16;				// SAD value for inter-VECTOR
+
 	int dquant;
 	int cbp;
 
 	// bframe stuff
 
 	VECTOR b_mvs[4];
-	VECTOR b_pmvs[4];
+	VECTOR b_qmvs[4];
 
 	int mb_type;
-	int dbquant;
 
-} MACROBLOCK;
+	// stuff for block based ME (needed for Qpel ME)
+	// backup of last integer ME vectors/sad
+
+	VECTOR amv; // average motion vectors from GMC 
+	int32_t mcsel;
+
+/* This structure has become way to big! What to do? Split it up?   */ 
+
+}
+MACROBLOCK;
 
-static __inline int8_t get_dc_scaler(uint32_t quant, uint32_t lum)
+static __inline uint32_t
+get_dc_scaler(uint32_t quant,
+			  uint32_t lum)
 {
-	if(quant < 5)
-        return 8;
+	if (quant < 5)
+		return 8;
 
-	if(quant < 25 && !lum)
-        return (quant + 13) / 2;
+	if (quant < 25 && !lum)
+		return (quant + 13) / 2;
 
-	if(quant < 9)
-        return 2 * quant;
+	if (quant < 9)
+		return 2 * quant;
 
-    if(quant < 25)
-        return quant + 8;
+	if (quant < 25)
+		return quant + 8;
 
-	if(lum)
+	if (lum)
 		return 2 * quant - 16;
 	else
-        return quant - 6;
+		return quant - 6;
 }
 
 // useful macros
@@ -99,6 +176,8 @@
 #define MAX(X, Y) ((X)>(Y)?(X):(Y))
 #define ABS(X)    (((X)>0)?(X):-(X))
 #define SIGN(X)   (((X)>0)?1:-1)
+#define CLIP(X,AMIN,AMAX)   (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X))
+#define DIV_DIV(a,b)    (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b))
 
 
-#endif /* _GLOBAL_H_ */
+#endif							/* _GLOBAL_H_ */