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revision 1.4, Fri May 3 00:45:10 2002 UTC revision 1.10.2.1, Thu Nov 7 10:28:15 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     *  $Id$
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  {  {
54          // bitstream          // vol bitstream
55    
56          uint32_t shape;          int time_inc_resolution;
57            int fixed_time_inc;
58          uint32_t time_inc_bits;          uint32_t time_inc_bits;
59    
60            uint32_t shape;
61          uint32_t quant_bits;          uint32_t quant_bits;
62          uint32_t quant_type;          uint32_t quant_type;
63          uint32_t quarterpel;          uint32_t quarterpel;
64    
65          uint32_t interlacing;          int interlacing;
66          uint32_t top_field_first;          uint32_t top_field_first;
67          uint32_t alternate_vertical_scan;          uint32_t alternate_vertical_scan;
68    
69            int aspect_ratio;
70            int par_width;
71            int par_height;
72    
73            int sprite_enable;
74            int sprite_warping_points;
75            int sprite_warping_accuracy;
76            int sprite_brightness_change;
77    
78            int newpred_enable;
79            int reduced_resolution_enable;
80    
81          // image          // image
82    
83            int fixed_dimensions;
84          uint32_t width;          uint32_t width;
85          uint32_t height;          uint32_t height;
86          uint32_t edged_width;          uint32_t edged_width;
# Line 32  Line 89 
89          IMAGE cur;          IMAGE cur;
90          IMAGE refn[3];  // 0   -- last I or P VOP          IMAGE refn[3];  // 0   -- last I or P VOP
91                                          // 1   -- first I or P                                          // 1   -- first I or P
92                                          // 2,3 -- for interpolate mode B-frame          // 2   -- for interpolate mode B-frame
93          IMAGE refh;          IMAGE refh;
94          IMAGE refv;          IMAGE refv;
95          IMAGE refhv;          IMAGE refhv;
# Line 54  Line 111 
111          int64_t         last_non_b_time;          int64_t         last_non_b_time;
112          uint32_t        time_pp;          uint32_t        time_pp;
113          uint32_t        time_bp;          uint32_t        time_bp;
114  } DECODER;          uint8_t low_delay;                      // low_delay flage (1 means no B_VOP)
115    
116            XVID_DEC_PICTURE* out_frm;                // This is used for slice rendering
117    }
118    DECODER;
119    
120    /*****************************************************************************
121     * Decoder prototypes
122     ****************************************************************************/
123    
124  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
125    
126  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(XVID_DEC_PARAM * param);
127  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
128  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
129                                       XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats);
130    
131    
132  #endif /* _DECODER_H_ */  #endif
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