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revision 1.17, Tue Nov 26 23:44:10 2002 UTC revision 1.20, Fri Feb 21 14:44:57 2003 UTC
# Line 1  Line 1 
 /*****************************************************************************  
  *  
  *  XVID MPEG-4 VIDEO CODEC  
  *  - Global structures, constants -  
  *  
  *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>  
  *  
  *  This file is part of XviD, a free MPEG-4 video encoder/decoder  
  *  
  *  XviD is free software; you can redistribute it and/or modify it  
  *  under the terms of the GNU General Public License as published by  
  *  the Free Software Foundation; either version 2 of the License, or  
  *  (at your option) any later version.  
  *  
  *  This program is distributed in the hope that it will be useful,  
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of  
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  
  *  GNU General Public License for more details.  
  *  
  *  You should have received a copy of the GNU General Public License  
  *  along with this program; if not, write to the Free Software  
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  
  *  
  *  Under section 8 of the GNU General Public License, the copyright  
  *  holders of XVID explicitly forbid distribution in the following  
  *  countries:  
  *  
  *    - Japan  
  *    - United States of America  
  *  
  *  Linking XviD statically or dynamically with other modules is making a  
  *  combined work based on XviD.  Thus, the terms and conditions of the  
  *  GNU General Public License cover the whole combination.  
  *  
  *  As a special exception, the copyright holders of XviD give you  
  *  permission to link XviD with independent modules that communicate with  
  *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the  
  *  license terms of these independent modules, and to copy and distribute  
  *  the resulting combined work under terms of your choice, provided that  
  *  every copy of the combined work is accompanied by a complete copy of  
  *  the source code of XviD (the version of XviD used to produce the  
  *  combined work), being distributed under the terms of the GNU General  
  *  Public License plus this exception.  An independent module is a module  
  *  which is not derived from or based on XviD.  
  *  
  *  Note that people who make modified versions of XviD are not obligated  
  *  to grant this special exception for their modified versions; it is  
  *  their choice whether to do so.  The GNU General Public License gives  
  *  permission to release a modified version without this exception; this  
  *  exception also makes it possible to release a modified version which  
  *  carries forward this exception.  
  *  
  * $Id$  
  *  
  ****************************************************************************/  
   
1  #ifndef _GLOBAL_H_  #ifndef _GLOBAL_H_
2  #define _GLOBAL_H_  #define _GLOBAL_H_
3    
# Line 67  Line 11 
11  #define MODE_INTER4V    2  #define MODE_INTER4V    2
12  #define MODE_INTRA              3  #define MODE_INTRA              3
13  #define MODE_INTRA_Q    4  #define MODE_INTRA_Q    4
 #define MODE_STUFFING   7  
14  #define MODE_NOT_CODED  16  #define MODE_NOT_CODED  16
15    #define MODE_NOT_CODED_GMC      17
16    
17  /* --- bframe specific --- */  /* --- bframe specific --- */
18    
# Line 77  Line 21 
21  #define MODE_BACKWARD           2  #define MODE_BACKWARD           2
22  #define MODE_FORWARD            3  #define MODE_FORWARD            3
23  #define MODE_DIRECT_NONE_MV     4  #define MODE_DIRECT_NONE_MV     4
24    #define MODE_DIRECT_NO4V        5
25    
26    typedef struct
27    {
28            VECTOR duv[3];
29    }
30    WARPPOINTS;
31    
32    /* save all warping parameters for GMC once and for all, instead of
33       recalculating for every block. This is needed for encoding&decoding
34       When switching to incremental calculations, this will get much shorter
35    */
36    
37    /*      we don't include WARPPOINTS wp  here, but in FRAMEINFO itself */
38    
39    typedef struct
40    {
41            int num_wp;             //      [input]: 0=none, 1=translation, 2,3 = warping
42                                                            //  a value of -1 means: "structure not initialized!"
43            int s;                                  //  [input]: calc is done with 1/s pel resolution
44    
45            int W;
46            int H;
47    
48            int ss;
49            int smask;
50            int sigma;
51    
52            int r;
53            int rho;
54    
55            int i0s;
56            int j0s;
57            int i1s;
58            int j1s;
59            int i2s;
60            int j2s;
61    
62            int i1ss;
63            int j1ss;
64            int i2ss;
65            int j2ss;
66    
67            int alpha;
68            int beta;
69            int Ws;
70            int Hs;
71    
72            int dxF, dyF, dxG, dyG;
73            int Fo, Go;
74            int cFo, cGo;
75    }
76    GMC_DATA;
77    
78    
79    typedef struct
80    {
81            uint8_t *y;
82            uint8_t *u;
83            uint8_t *v;
84    }
85    IMAGE;
86    
87    
88  typedef struct  typedef struct
# Line 97  Line 103 
103    
104  typedef struct  typedef struct
105  {  {
106          /* decoder/encoder  */          // decoder/encoder
107          VECTOR mvs[4];          VECTOR mvs[4];
108    
109          short int pred_values[6][MBPRED_SIZE];          short int pred_values[6][MBPRED_SIZE];
110          int acpred_directions[6];          int acpred_directions[6];
111    
112          int mode;          int mode;
113          int quant;                                      /* absolute quant */          int quant;                                      // absolute quant
114    
115          int field_dct;          int field_dct;
116          int field_pred;          int field_pred;
117          int field_for_top;          int field_for_top;
118          int field_for_bot;          int field_for_bot;
119    
120          /* encoder specific */          // encoder specific
121    
122          VECTOR mv16;          VECTOR mv16;
123          VECTOR pmvs[4];          VECTOR pmvs[4];
124            VECTOR qmvs[4];                         // mvs in quarter pixel resolution
125    
126          int32_t sad8[4];                        /* SAD values for inter4v-VECTORs */          int32_t sad8[4];                        // SAD values for inter4v-VECTORs
127          int32_t sad16;                          /* SAD value for inter-VECTOR */          int32_t sad16;                          // SAD value for inter-VECTOR
128    
129          int dquant;          int dquant;
130          int cbp;          int cbp;
131    
132          /* bframe stuff */          // bframe stuff
133    
134          VECTOR b_mvs[4];          VECTOR b_mvs[4];
135          VECTOR b_pmvs[4];          VECTOR b_qmvs[4];
   
         /* bframe direct mode */  
   
         VECTOR directmv[4];  
         VECTOR deltamv;  
136    
137          int mb_type;          int mb_type;
138          int dbquant;          int dbquant;
139    
140          /* stuff for block based ME (needed for Qpel ME) */          // stuff for block based ME (needed for Qpel ME)
141          /* backup of last integer ME vectors/sad */          // backup of last integer ME vectors/sad
142    
143          VECTOR i_mv16;          VECTOR amv; // average motion vectors from GMC
144          VECTOR i_mvs[4];          int32_t mcsel;
145    
146          int32_t i_sad8[4];      /* SAD values for inter4v-VECTORs */  /* This structure has become way to big! What to do? Split it up?   */
         int32_t i_sad16;        /* SAD value for inter-VECTOR */  
147    
148  }  }
149  MACROBLOCK;  MACROBLOCK;
150    
151  static __inline int8_t  static __inline uint32_t
152  get_dc_scaler(uint32_t quant,  get_dc_scaler(uint32_t quant,
153                            uint32_t lum)                            uint32_t lum)
154  {  {
# Line 169  Line 170 
170                  return quant - 6;                  return quant - 6;
171  }  }
172    
173  /* useful macros */  // useful macros
174    
175  #define MIN(X, Y) ((X)<(Y)?(X):(Y))  #define MIN(X, Y) ((X)<(Y)?(X):(Y))
176  #define MAX(X, Y) ((X)>(Y)?(X):(Y))  #define MAX(X, Y) ((X)>(Y)?(X):(Y))
177  #define ABS(X)    (((X)>0)?(X):-(X))  #define ABS(X)    (((X)>0)?(X):-(X))
178  #define SIGN(X)   (((X)>0)?1:-1)  #define SIGN(X)   (((X)>0)?1:-1)
179    #define CLIP(X,AMIN,AMAX)   (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X))
180    #define DIV_DIV(a,b)    (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b))
181    
182    
183  #endif /* _GLOBAL_H_ */  #endif /* _GLOBAL_H_ */

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