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revision 133, Tue Apr 23 00:05:31 2002 UTC revision 315, Fri Jul 19 11:15:21 2002 UTC
# Line 1  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Decoder header -
5     *
6     *  This program is an implementation of a part of one or more MPEG-4
7     *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending
8     *  to use this software module in hardware or software products are
9     *  advised that its use may infringe existing patents or copyrights, and
10     *  any such use would be at such party's own risk.  The original
11     *  developer of this software module and his/her company, and subsequent
12     *  editors and their companies, will have no liability for use of this
13     *  software or modifications or derivatives thereof.
14     *
15     *  This program is free software ; you can redistribute it and/or modify
16     *  it under the terms of the GNU General Public License as published by
17     *  the Free Software Foundation ; either version 2 of the License, or
18     *  (at your option) any later version.
19     *
20     *  This program is distributed in the hope that it will be useful,
21     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
22     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23     *  GNU General Public License for more details.
24     *
25     *  You should have received a copy of the GNU General Public License
26     *  along with this program ; if not, write to the Free Software
27     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28     *
29     ****************************************************************************/
30    /*****************************************************************************
31     *
32     *  History
33     *
34     *  - 13.06.2002 Added legal header - Cosmetic
35     *
36     *  $Id: decoder.h,v 1.10 2002-07-19 11:15:21 albeu Exp $
37     *
38     ****************************************************************************/
39    
40  #ifndef _DECODER_H_  #ifndef _DECODER_H_
41  #define _DECODER_H_  #define _DECODER_H_
42    
43  #include "xvid.h"  #include "xvid.h"
   
44  #include "portab.h"  #include "portab.h"
45  #include "global.h"  #include "global.h"
46  #include "image/image.h"  #include "image/image.h"
47    
48    /*****************************************************************************
49     * Structures
50     ****************************************************************************/
51    
52  typedef struct  typedef struct
53  {  {
# Line 30  Line 71 
71          uint32_t edged_height;          uint32_t edged_height;
72    
73          IMAGE cur;          IMAGE cur;
74          IMAGE refn[2];          IMAGE refn[3];                          // 0   -- last I or P VOP
75            // 1   -- first I or P
76            // 2   -- for interpolate mode B-frame
77          IMAGE refh;          IMAGE refh;
78          IMAGE refv;          IMAGE refv;
79          IMAGE refhv;          IMAGE refhv;
# Line 41  Line 84 
84          uint32_t mb_height;          uint32_t mb_height;
85          MACROBLOCK * mbs;          MACROBLOCK * mbs;
86    
87            // for B-frame
88  } DECODER;          int32_t frames;                         // total frame number
89            int8_t scalability;
90            VECTOR p_fmv, p_bmv;            // pred forward & backward motion vector
91            MACROBLOCK *last_mbs;           // last MB
92            int64_t time;                           // for record time
93            int64_t time_base;
94            int64_t last_time_base;
95            int64_t last_non_b_time;
96            uint32_t time_pp;
97            uint32_t time_bp;
98            uint8_t low_delay;                      // low_delay flage (1 means no B_VOP)
99    
100            XVID_DEC_PICTURE* out_frm;                // This is used for slice rendering
101    }
102    DECODER;
103    
104    /*****************************************************************************
105     * Decoder prototypes
106     ****************************************************************************/
107    
108  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
109    
110  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(XVID_DEC_PARAM * param);
111  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
112  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
113                                       XVID_DEC_FRAME * frame);
114    
115    
116  #endif /* _DECODER_H_ */  #endif

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