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revision 1.3, Tue Apr 23 00:04:03 2002 UTC revision 1.12, Tue Nov 26 23:44:09 2002 UTC
# Line 1  Line 1 
1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Decoder header -
5     *
6     *  This file is part of XviD, a free MPEG-4 video encoder/decoder
7     *
8     *  XviD is free software; you can redistribute it and/or modify it
9     *  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     *  Under section 8 of the GNU General Public License, the copyright
23     *  holders of XVID explicitly forbid distribution in the following
24     *  countries:
25     *
26     *    - Japan
27     *    - United States of America
28     *
29     *  Linking XviD statically or dynamically with other modules is making a
30     *  combined work based on XviD.  Thus, the terms and conditions of the
31     *  GNU General Public License cover the whole combination.
32     *
33     *  As a special exception, the copyright holders of XviD give you
34     *  permission to link XviD with independent modules that communicate with
35     *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the
36     *  license terms of these independent modules, and to copy and distribute
37     *  the resulting combined work under terms of your choice, provided that
38     *  every copy of the combined work is accompanied by a complete copy of
39     *  the source code of XviD (the version of XviD used to produce the
40     *  combined work), being distributed under the terms of the GNU General
41     *  Public License plus this exception.  An independent module is a module
42     *  which is not derived from or based on XviD.
43     *
44     *  Note that people who make modified versions of XviD are not obligated
45     *  to grant this special exception for their modified versions; it is
46     *  their choice whether to do so.  The GNU General Public License gives
47     *  permission to release a modified version without this exception; this
48     *  exception also makes it possible to release a modified version which
49     *  carries forward this exception.
50     *
51     * $Id$
52     *
53     ****************************************************************************/
54    
55  #ifndef _DECODER_H_  #ifndef _DECODER_H_
56  #define _DECODER_H_  #define _DECODER_H_
57    
58  #include "xvid.h"  #include "xvid.h"
   
59  #include "portab.h"  #include "portab.h"
60  #include "global.h"  #include "global.h"
61  #include "image/image.h"  #include "image/image.h"
62    
63    /*****************************************************************************
64     * Structures
65     ****************************************************************************/
66    
67  typedef struct  typedef struct
68  {  {
69          // bitstream          /* bitstream */
70    
71          uint32_t shape;          uint32_t shape;
72          uint32_t time_inc_bits;          uint32_t time_inc_bits;
# Line 22  Line 78 
78          uint32_t top_field_first;          uint32_t top_field_first;
79          uint32_t alternate_vertical_scan;          uint32_t alternate_vertical_scan;
80    
81          // image          /* image */
82    
83          uint32_t width;          uint32_t width;
84          uint32_t height;          uint32_t height;
# Line 30  Line 86 
86          uint32_t edged_height;          uint32_t edged_height;
87    
88          IMAGE cur;          IMAGE cur;
89          IMAGE refn[2];          IMAGE refn[3];                          /* 0   -- last I or P VOP */
90            /* 1   -- first I or P */
91            /* 2   -- for interpolate mode B-frame */
92          IMAGE refh;          IMAGE refh;
93          IMAGE refv;          IMAGE refv;
94          IMAGE refhv;          IMAGE refhv;
95    
96          // macroblock          /* macroblock */
97    
98          uint32_t mb_width;          uint32_t mb_width;
99          uint32_t mb_height;          uint32_t mb_height;
100          MACROBLOCK * mbs;          MACROBLOCK * mbs;
101    
102            /* for B-frame */
103  } DECODER;          int32_t frames;                         /* total frame number */
104            int8_t scalability;
105            VECTOR p_fmv, p_bmv;            /* pred forward & backward motion vector */
106            MACROBLOCK *last_mbs;           /* last MB */
107            int64_t time;                           /* for record time */
108            int64_t time_base;
109            int64_t last_time_base;
110            int64_t last_non_b_time;
111            uint32_t time_pp;
112            uint32_t time_bp;
113            uint8_t low_delay;                      /* low_delay flage (1 means no B_VOP) */
114    
115            XVID_DEC_PICTURE* out_frm;                /* This is used for slice rendering */
116    }
117    DECODER;
118    
119    /*****************************************************************************
120     * Decoder prototypes
121     ****************************************************************************/
122    
123  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
124    
125  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(XVID_DEC_PARAM * param);
126  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
127  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
128                                       XVID_DEC_FRAME * frame);
129    
130    
131  #endif /* _DECODER_H_ */  #endif

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