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revision 1.1, Fri Mar 8 02:44:29 2002 UTC revision 1.10.2.5, Sat Dec 14 06:07:02 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    /* complexity estimation toggles */
53  typedef struct  typedef struct
54  {  {
55          // bitstream          int method;
56    
57          uint32_t shape;          int opaque;
58            int transparent;
59            int intra_cae;
60            int inter_cae;
61            int no_update;
62            int upsampling;
63    
64            int intra_blocks;
65            int inter_blocks;
66            int inter4v_blocks;
67            int not_coded_blocks;
68    
69            int dct_coefs;
70            int dct_lines;
71            int vlc_symbols;
72            int vlc_bits;
73    
74            int apm;
75            int npm;
76            int interpolate_mc_q;
77            int forw_back_mc_q;
78            int halfpel2;
79            int halfpel4;
80    
81            int sadct;
82            int quarterpel;
83    } ESTIMATION;
84    
85    
86    typedef struct
87    {
88            // vol bitstream
89    
90            int time_inc_resolution;
91            int fixed_time_inc;
92          uint32_t time_inc_bits;          uint32_t time_inc_bits;
93    
94            uint32_t shape;
95          uint32_t quant_bits;          uint32_t quant_bits;
96          uint32_t quant_type;          uint32_t quant_type;
97          uint32_t quarterpel;          uint32_t quarterpel;
98            int complexity_estimation_disable;
99            ESTIMATION estimation;
100    
101            int interlacing;
102            uint32_t top_field_first;
103            uint32_t alternate_vertical_scan;
104    
105            int aspect_ratio;
106            int par_width;
107            int par_height;
108    
109            int sprite_enable;
110            int sprite_warping_points;
111            int sprite_warping_accuracy;
112            int sprite_brightness_change;
113    
114            int newpred_enable;
115            int reduced_resolution_enable;
116    
117          // image          // image
118    
119            int fixed_dimensions;
120          uint32_t width;          uint32_t width;
121          uint32_t height;          uint32_t height;
122          uint32_t edged_width;          uint32_t edged_width;
123          uint32_t edged_height;          uint32_t edged_height;
124    
125          IMAGE cur;          IMAGE cur;
126          IMAGE refn;          IMAGE refn[2];                          // 0   -- last I or P VOP
127          IMAGE refh;                                                                  // 1   -- first I or P
128          IMAGE refv;          IMAGE tmp;              /* bframe interpolation, and post processing tmp buffer */
129          IMAGE refhv;          IMAGE qtmp;             /* quarter pel tmp buffer */
130    
131          // macroblock          // macroblock
132    
# Line 37  Line 134 
134          uint32_t mb_height;          uint32_t mb_height;
135          MACROBLOCK * mbs;          MACROBLOCK * mbs;
136    
137            // for B-frame & low_delay==0
138  } DECODER;          // XXX: should move frame based stuff into a DECODER_FRAMEINFO struct */
139            MACROBLOCK *last_mbs;                   // last MB
140            int last_reduced_resolution;    // last reduced_resolution value
141            int32_t frames;                         // total frame number
142            int32_t packed_mode;            // bframes packed bitstream? (1 = yes)
143            int8_t scalability;
144            VECTOR p_fmv, p_bmv;            // pred forward & backward motion vector
145            int64_t time;                           // for record time
146            int64_t time_base;
147            int64_t last_time_base;
148            int64_t last_non_b_time;
149            uint32_t time_pp;
150            uint32_t time_bp;
151            uint32_t low_delay;                     // low_delay flage (1 means no B_VOP)
152            uint32_t low_delay_default;     // default value for low_delay flag
153    
154            XVID_DEC_PICTURE* out_frm;                // This is used for slice rendering
155    }
156    DECODER;
157    
158    /*****************************************************************************
159     * Decoder prototypes
160     ****************************************************************************/
161    
162  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
163    
164  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(XVID_DEC_PARAM * param);
165  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
166  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
167                                       XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats);
168    
169    
170  #endif /* _DECODER_H_ */  #endif
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