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revision 1.3, Tue Apr 23 00:04:03 2002 UTC revision 1.13, Sat Feb 15 15:22:17 2003 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 gmc_blocks;
68            int not_coded_blocks;
69    
70            int dct_coefs;
71            int dct_lines;
72            int vlc_symbols;
73            int vlc_bits;
74    
75            int apm;
76            int npm;
77            int interpolate_mc_q;
78            int forw_back_mc_q;
79            int halfpel2;
80            int halfpel4;
81    
82            int sadct;
83            int quarterpel;
84    } ESTIMATION;
85    
86    
87    typedef struct
88    {
89            // vol bitstream
90    
91            int time_inc_resolution;
92            int fixed_time_inc;
93          uint32_t time_inc_bits;          uint32_t time_inc_bits;
94    
95            uint32_t shape;
96          uint32_t quant_bits;          uint32_t quant_bits;
97          uint32_t quant_type;          uint32_t quant_type;
98          uint32_t quarterpel;          int32_t quarterpel;
99            int complexity_estimation_disable;
100            ESTIMATION estimation;
101    
102          uint32_t interlacing;          int interlacing;
103          uint32_t top_field_first;          uint32_t top_field_first;
104          uint32_t alternate_vertical_scan;          uint32_t alternate_vertical_scan;
105    
106            int aspect_ratio;
107            int par_width;
108            int par_height;
109    
110            int sprite_enable;
111            int sprite_warping_points;
112            int sprite_warping_accuracy;
113            int sprite_brightness_change;
114    
115            int newpred_enable;
116            int reduced_resolution_enable;
117    
118          // image          // image
119    
120            int fixed_dimensions;
121          uint32_t width;          uint32_t width;
122          uint32_t height;          uint32_t height;
123          uint32_t edged_width;          uint32_t edged_width;
124          uint32_t edged_height;          uint32_t edged_height;
125    
126          IMAGE cur;          IMAGE cur;
127          IMAGE refn[2];          IMAGE refn[2];                          // 0   -- last I or P VOP
128          IMAGE refh;                                                                  // 1   -- first I or P
129          IMAGE refv;          IMAGE tmp;              /* bframe interpolation, and post processing tmp buffer */
130          IMAGE refhv;          IMAGE qtmp;             /* quarter pel tmp buffer */
131    
132          // macroblock          // macroblock
133    
# Line 41  Line 135 
135          uint32_t mb_height;          uint32_t mb_height;
136          MACROBLOCK * mbs;          MACROBLOCK * mbs;
137    
138            // for B-frame & low_delay==0
139  } DECODER;          // XXX: should move frame based stuff into a DECODER_FRAMEINFO struct */
140            MACROBLOCK *last_mbs;                   // last MB
141            int last_reduced_resolution;    // last reduced_resolution value
142            int32_t frames;                         // total frame number
143            int32_t packed_mode;            // bframes packed bitstream? (1 = yes)
144            int8_t scalability;
145            VECTOR p_fmv, p_bmv;            // pred forward & backward motion vector
146            int64_t time;                           // for record time
147            int64_t time_base;
148            int64_t last_time_base;
149            int64_t last_non_b_time;
150            uint32_t time_pp;
151            uint32_t time_bp;
152            uint32_t low_delay;                     // low_delay flage (1 means no B_VOP)
153            uint32_t low_delay_default;     // default value for low_delay flag
154    
155            // for GMC: central place for all parameters
156    
157            IMAGE gmc;              /* gmc tmp buffer, remove for blockbased compensation */
158            GMC_DATA gmc_data;
159    
160            XVID_DEC_PICTURE* out_frm;                // This is used for slice rendering
161    }
162    DECODER;
163    
164    /*****************************************************************************
165     * Decoder prototypes
166     ****************************************************************************/
167    
168  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
169    
170  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(XVID_DEC_PARAM * param);
171  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
172  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
173                                       XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats);
174    
175    
176  #endif /* _DECODER_H_ */  #endif

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