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revision 1.21.2.1, Sat Feb 22 08:49:44 2003 UTC revision 1.21.2.6, Mon Jun 9 13:50:57 2003 UTC
# Line 1  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Global definitions  -
5     *
6     *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>
7     *
8     *  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
10     *  the Free Software Foundation ; either version 2 of the License, or
11     *  (at your option) any later version.
12     *
13     *  This program is distributed in the hope that it will be useful,
14     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
15     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16     *  GNU General Public License for more details.
17     *
18     *  You should have received a copy of the GNU General Public License
19     *  along with this program ; if not, write to the Free Software
20     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21     *
22     * $Id$
23     *
24     ****************************************************************************/
25    
26  #ifndef _GLOBAL_H_  #ifndef _GLOBAL_H_
27  #define _GLOBAL_H_  #define _GLOBAL_H_
28    
# Line 24  Line 49 
49  #define MODE_DIRECT_NO4V        5  #define MODE_DIRECT_NO4V        5
50    
51    
52  // vop coding types  /*
53  // intra, prediction, backward, sprite, not_coded   * vop coding types
54     * intra, prediction, backward, sprite, not_coded
55     */
56  #define I_VOP   0  #define I_VOP   0
57  #define P_VOP   1  #define P_VOP   1
58  #define B_VOP   2  #define B_VOP   2
# Line 71  Line 98 
98    
99  typedef struct  typedef struct
100  {  {
101          int num_wp;             //      [input]: 0=none, 1=translation, 2,3 = warping          int num_wp;             /* [input]: 0=none, 1=translation, 2,3 = warping */
102                                                          //  a value of -1 means: "structure not initialized!"                                                          /* a value of -1 means: "structure not initialized!" */
103          int s;                                  //  [input]: calc is done with 1/s pel resolution          int s;                                  /* [input]: calc is done with 1/s pel resolution */
104    
105          int W;          int W;
106          int H;          int H;
# Line 127  Line 154 
154          uint32_t *tail;          uint32_t *tail;
155          uint32_t *start;          uint32_t *start;
156          uint32_t length;          uint32_t length;
157            uint32_t initpos;
158  }  }
159  Bitstream;  Bitstream;
160    
# Line 136  Line 164 
164    
165  typedef struct  typedef struct
166  {  {
167          // decoder/encoder          /* decoder/encoder */
168          VECTOR mvs[4];          VECTOR mvs[4];
169    
170          short int pred_values[6][MBPRED_SIZE];          short int pred_values[6][MBPRED_SIZE];
171          int acpred_directions[6];          int acpred_directions[6];
172    
173          int mode;          int mode;
174          int quant;                                      // absolute quant          int quant;                                      /* absolute quant */
175    
176          int field_dct;          int field_dct;
177          int field_pred;          int field_pred;
178          int field_for_top;          int field_for_top;
179          int field_for_bot;          int field_for_bot;
180    
181          // encoder specific          /* encoder specific */
182    
183          VECTOR mv16;          VECTOR mv16;
184          VECTOR pmvs[4];          VECTOR pmvs[4];
185          VECTOR qmvs[4];                         // mvs in quarter pixel resolution          VECTOR qmvs[4];                         /* mvs in quarter pixel resolution */
186    
187          int32_t sad8[4];                        // SAD values for inter4v-VECTORs          int32_t sad8[4];                        /* SAD values for inter4v-VECTORs */
188          int32_t sad16;                          // SAD value for inter-VECTOR          int32_t sad16;                          /* SAD value for inter-VECTOR */
189    
190          int dquant;          int dquant;
191          int cbp;          int cbp;
192    
193          // bframe stuff          /* bframe stuff */
194    
195          VECTOR b_mvs[4];          VECTOR b_mvs[4];
196          VECTOR b_qmvs[4];          VECTOR b_qmvs[4];
197    
198          int mb_type;          int mb_type;
199    
200          // stuff for block based ME (needed for Qpel ME)          /*
201          // backup of last integer ME vectors/sad           * stuff for block based ME (needed for Qpel ME)
202             * backup of last integer ME vectors/sad
203             */
204    
205          VECTOR amv; // average motion vectors from GMC          VECTOR amv; /* average motion vectors from GMC  */
206          int32_t mcsel;          int32_t mcsel;
207    
208  /* 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?   */
# Line 202  Line 232 
232                  return quant - 6;                  return quant - 6;
233  }  }
234    
235  // useful macros  /* useful macros */
236    
237  #define MIN(X, Y) ((X)<(Y)?(X):(Y))  #define MIN(X, Y) ((X)<(Y)?(X):(Y))
238  #define MAX(X, Y) ((X)>(Y)?(X):(Y))  #define MAX(X, Y) ((X)>(Y)?(X):(Y))
239  #define ABS(X)    (((X)>0)?(X):-(X))  /* #define ABS(X)    (((X)>0)?(X):-(X)) */
240  #define SIGN(X)   (((X)>0)?1:-1)  #define SIGN(X)   (((X)>0)?1:-1)
241  #define CLIP(X,AMIN,AMAX)   (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X))  #define CLIP(X,AMIN,AMAX)   (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X))
242  #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))
243    #define SWAP(_T_,A,B)    { _T_ tmp = A; A = B; B = tmp; }
244    
245    
246  #endif                                                  /* _GLOBAL_H_ */  #endif                                                  /* _GLOBAL_H_ */

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