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revision 1.21.2.7, Sat Jun 28 15:50:55 2003 UTC revision 1.27, Sun Nov 28 15:18:21 2010 UTC
# Line 3  Line 3 
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  - Global definitions  -   *  - Global definitions  -
5   *   *
6   *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>   *  Copyright(C) 2002-2010 Michael Militzer <michael@xvid.org>
7   *   *
8   *  This program is free software ; you can redistribute it and/or modify   *  This program is free software ; you can redistribute it and/or modify
9   *  it under the terms of the GNU General Public License as published by   *  it under the terms of the GNU General Public License as published by
# Line 48  Line 48 
48  #define MODE_DIRECT_NONE_MV     4  #define MODE_DIRECT_NONE_MV     4
49  #define MODE_DIRECT_NO4V        5  #define MODE_DIRECT_NO4V        5
50    
   
51  /*  /*
52   * vop coding types   * vop coding types
53   * intra, prediction, backward, sprite, not_coded   * intra, prediction, backward, sprite, not_coded
# Line 73  Line 72 
72          return xvid_type - 1;          return xvid_type - 1;
73  }  }
74    
   
75  typedef struct  typedef struct
76  {  {
77          int x;          int x;
# Line 81  Line 79 
79  }  }
80  VECTOR;  VECTOR;
81    
   
   
82  typedef struct  typedef struct
83  {  {
84          VECTOR duv[3];          VECTOR duv[3];
# Line 132  Line 128 
128          int dxF, dyF, dxG, dyG;          int dxF, dyF, dxG, dyG;
129          int Fo, Go;          int Fo, Go;
130          int cFo, cGo;          int cFo, cGo;
131  }  } GMC_DATA;
 GMC_DATA;  
132    
133  typedef struct NEW_GMC_DATA NEW_GMC_DATA;  typedef struct _NEW_GMC_DATA
 struct NEW_GMC_DATA  
134  {  {
135    int num_wp;   //  0=none, 1=translation, 2,3 = warping     /*  0=none, 1=translation, 2,3 = warping
136                  //  a value of -1 means: "structure not initialized!"          *  a value of -1 means: "structure not initialized!" */
137    int accuracy;     // {0,1,2,3}  =>   {1/2,1/4,1/8,1/16} pel          int num_wp;
138    
139            /* {0,1,2,3}  =>   {1/2,1/4,1/8,1/16} pel */
140            int accuracy;
141    
142    int sW, sH;   // sprite size * 16          /* sprite size * 16 */
143    int dU[2], dV[2], Uo, Vo, Uco, Vco;   // gradient, calculated from warp points          int sW, sH;
144    
145    void (*predict_16x16)(const NEW_GMC_DATA * const This,          /* gradient, calculated from warp points */
146            int dU[2], dV[2], Uo, Vo, Uco, Vco;
147    
148            void (*predict_16x16)(const struct _NEW_GMC_DATA * const This,
149                          uint8_t *dst, const uint8_t *src,                          uint8_t *dst, const uint8_t *src,
150                          int dststride, int srcstride, int x, int y, int rounding);                          int dststride, int srcstride, int x, int y, int rounding);
151    void (*predict_8x8)  (const NEW_GMC_DATA * const This,          void (*predict_8x8)  (const struct _NEW_GMC_DATA * const This,
152                          uint8_t *uDst, const uint8_t *uSrc,                          uint8_t *uDst, const uint8_t *uSrc,
153                          uint8_t *vDst, const uint8_t *vSrc,                          uint8_t *vDst, const uint8_t *vSrc,
154                          int dststride, int srcstride, int x, int y, int rounding);                          int dststride, int srcstride, int x, int y, int rounding);
155    void (*get_average_mv)(NEW_GMC_DATA *Dsp, VECTOR * const mv,          void (*get_average_mv)(const struct _NEW_GMC_DATA * const Dsp, VECTOR * const mv,
156                           int x, int y, int qpel);                           int x, int y, int qpel);
157  };  } NEW_GMC_DATA;
158    
159  typedef struct  typedef struct
160  {  {
# Line 164  Line 164 
164  }  }
165  IMAGE;  IMAGE;
166    
   
167  typedef struct  typedef struct
168  {  {
169          uint32_t bufa;          uint32_t bufa;
# Line 178  Line 177 
177  }  }
178  Bitstream;  Bitstream;
179    
   
180  #define MBPRED_SIZE  15  #define MBPRED_SIZE  15
181    
   
182  typedef struct  typedef struct
183  {  {
184          /* decoder/encoder */          /* decoder/encoder */
# Line 200  Line 197 
197    
198          /* encoder specific */          /* encoder specific */
199    
         VECTOR mv16;  
200          VECTOR pmvs[4];          VECTOR pmvs[4];
201          VECTOR qmvs[4];                         /* mvs in quarter pixel resolution */          VECTOR qmvs[4];                         /* mvs in quarter pixel resolution */
202    
203          int32_t sad8[4];                        /* SAD values for inter4v-VECTORs */          int32_t sad8[4];                        /* SAD values for inter4v-VECTORs */
204          int32_t sad16;                          /* SAD value for inter-VECTOR */          int32_t sad16;                          /* SAD value for inter-VECTOR */
205    
206            int32_t var16;                          /* Variance of the 16x16 luma block */
207            int32_t rel_var8[6];            /* Relative variances of the 8x8 sub-blocks */
208    
209          int dquant;          int dquant;
210          int cbp;          int cbp;
211    
212            /* lambda for these blocks */
213            int lambda[6];
214    
215          /* bframe stuff */          /* bframe stuff */
216    
217          VECTOR b_mvs[4];          VECTOR b_mvs[4];
218          VECTOR b_qmvs[4];          VECTOR b_qmvs[4];
219    
         int mb_type;  
   
         /*  
          * stuff for block based ME (needed for Qpel ME)  
          * backup of last integer ME vectors/sad  
          */  
   
220          VECTOR amv; /* average motion vectors from GMC  */          VECTOR amv; /* average motion vectors from GMC  */
221          int32_t mcsel;          int32_t mcsel;
222    
223            VECTOR  mvs_avg;      //CK average of field motion vectors
224    
225  /* This structure has become way to big! What to do? Split it up?   */  /* This structure has become way to big! What to do? Split it up?   */
226    
227  }  }
# Line 262  Line 259 
259  #define DIV_DIV(a,b)    (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b))  #define DIV_DIV(a,b)    (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b))
260  #define SWAP(_T_,A,B)    { _T_ tmp = A; A = B; B = tmp; }  #define SWAP(_T_,A,B)    { _T_ tmp = A; A = B; B = tmp; }
261    
262    static __inline uint32_t
263    isqrt(unsigned long n)
264    {
265        uint32_t c = 0x8000;
266        uint32_t g = 0x8000;
267    
268        for(;;) {
269            if(g*g > n)
270                g ^= c;
271            c >>= 1;
272            if(c == 0)
273                return g;
274            g |= c;
275        }
276    }
277    
278  #endif                                                  /* _GLOBAL_H_ */  #endif                                                  /* _GLOBAL_H_ */
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