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revision 1.5, Thu May 9 00:15:51 2002 UTC revision 1.10.2.2, Tue Nov 12 15:53:47 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 45  Line 102 
102    
103          // for B-frame          // for B-frame
104          int32_t         frames;                 // total frame number          int32_t         frames;                 // total frame number
105            int32_t packed_mode;            // bframes packed bitstream? (1 = yes)
106          int8_t          scalability;          int8_t          scalability;
107          VECTOR          p_fmv, p_bmv;   // pred forward & backward motion vector          VECTOR          p_fmv, p_bmv;   // pred forward & backward motion vector
108          MACROBLOCK      *last_mbs;              // last MB          MACROBLOCK      *last_mbs;              // last MB
# Line 55  Line 113 
113          uint32_t        time_pp;          uint32_t        time_pp;
114          uint32_t        time_bp;          uint32_t        time_bp;
115          uint8_t         low_delay;              // low_delay flage (1 means no B_VOP)          uint8_t         low_delay;              // low_delay flage (1 means no B_VOP)
116  } DECODER;  
117            XVID_DEC_PICTURE* out_frm;                // This is used for slice rendering
118    }
119    DECODER;
120    
121    /*****************************************************************************
122     * Decoder prototypes
123     ****************************************************************************/
124    
125  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
126    
127  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(XVID_DEC_PARAM * param);
128  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
129  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
130                                       XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats);
131    
132    
133  #endif /* _DECODER_H_ */  #endif
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