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revision 3, Fri Mar 8 02:46:11 2002 UTC revision 118, Sat Apr 13 16:30:02 2002 UTC
# Line 1  Line 1 
1  #ifndef _GLOBAL_H_  #ifndef _GLOBAL_H_
2  #define _GLOBAL_H_  #define _GLOBAL_H_
3    
4    #include "xvid.h"
5  #include "portab.h"  #include "portab.h"
6    
7  /* --- macroblock stuff --- */  /* --- macroblock modes --- */
8    
9  #define MODE_INTER              0  #define MODE_INTER              0
10  #define MODE_INTER_Q    1  #define MODE_INTER_Q    1
# Line 13  Line 14 
14  #define MODE_STUFFING   7  #define MODE_STUFFING   7
15  #define MODE_NOT_CODED  16  #define MODE_NOT_CODED  16
16    
17    /* --- bframe specific --- */
18    
19    #define MODE_DIRECT                     0
20    #define MODE_INTERPOLATE        1
21    #define MODE_BACKWARD           2
22    #define MODE_FORWARD            3
23    
24    
25  typedef struct  typedef struct
26  {  {
27          int x;          uint32_t bufa;
28          int y;          uint32_t bufb;
29  } VECTOR;          uint32_t buf;
30            uint32_t pos;
31            uint32_t *tail;
32            uint32_t *start;
33            uint32_t length;
34    }
35    Bitstream;
36    
37    
38  #define MBPRED_SIZE  15  #define MBPRED_SIZE  15
# Line 36  Line 51 
51          int mode;          int mode;
52          int quant;              // absolute quant          int quant;              // absolute quant
53    
54            int field_dct;
55            int field_pred;
56            int field_for_top;
57            int field_for_bot;
58    
59          // encoder specific          // encoder specific
60    
61          VECTOR pmvs[4];          VECTOR pmvs[4];
62          int dquant;          int dquant;
63          int cbp;          int cbp;
64    
65            // bframe stuff
66    
67            VECTOR b_mvs[4];
68            VECTOR b_pmvs[4];
69    
70  } MACROBLOCK;  } MACROBLOCK;
71    
72  static __inline int8_t get_dc_scaler(int32_t quant, uint32_t lum)  static __inline int8_t get_dc_scaler(int32_t quant, uint32_t lum)
# Line 76  Line 101 
101      return dc_scaler;      return dc_scaler;
102  }  }
103    
104    
105    // useful macros
106    
107    #define MIN(X, Y) ((X)<(Y)?(X):(Y))
108    #define MAX(X, Y) ((X)>(Y)?(X):(Y))
109    #define ABS(X)    (((X)>0)?(X):-(X))
110    #define SIGN(X)   (((X)>0)?1:-1)
111    
112    
113  #endif /* _GLOBAL_H_ */  #endif /* _GLOBAL_H_ */

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