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revision 1.2, Tue Mar 26 11:16:08 2002 UTC revision 1.13.2.4, Mon Jun 9 19:42:02 2003 UTC
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1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - Decoder related header -
5     *
6     *  Copyright(C) 2002-2003 Peter Ross <pross@xvid.org>
7     *
8     *  This program is free software ; you can redistribute it and/or modify
9     *  it 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     * $Id$
23     *
24     ****************************************************************************/
25    
26  #ifndef _DECODER_H_  #ifndef _DECODER_H_
27  #define _DECODER_H_  #define _DECODER_H_
28    
29  #include "xvid.h"  #include "xvid.h"
   
30  #include "portab.h"  #include "portab.h"
31  #include "global.h"  #include "global.h"
32  #include "image/image.h"  #include "image/image.h"
33    
34    /*****************************************************************************
35     * Structures
36     ****************************************************************************/
37    
38    /* complexity estimation toggles */
39  typedef struct  typedef struct
40  {  {
41          // bitstream          int method;
42    
43          uint32_t shape;          int opaque;
44            int transparent;
45            int intra_cae;
46            int inter_cae;
47            int no_update;
48            int upsampling;
49    
50            int intra_blocks;
51            int inter_blocks;
52            int inter4v_blocks;
53            int gmc_blocks;
54            int not_coded_blocks;
55    
56            int dct_coefs;
57            int dct_lines;
58            int vlc_symbols;
59            int vlc_bits;
60    
61            int apm;
62            int npm;
63            int interpolate_mc_q;
64            int forw_back_mc_q;
65            int halfpel2;
66            int halfpel4;
67    
68            int sadct;
69            int quarterpel;
70    } ESTIMATION;
71    
72    
73    typedef struct
74    {
75            /* vol bitstream */
76    
77            int time_inc_resolution;
78            int fixed_time_inc;
79          uint32_t time_inc_bits;          uint32_t time_inc_bits;
80    
81            uint32_t shape;
82          uint32_t quant_bits;          uint32_t quant_bits;
83          uint32_t quant_type;          uint32_t quant_type;
84          uint32_t quarterpel;          int32_t quarterpel;
85            int complexity_estimation_disable;
86            ESTIMATION estimation;
87    
88          uint32_t interlacing;          int interlacing;
89          uint32_t top_field_first;          uint32_t top_field_first;
90          uint32_t alternate_vertical_scan;          uint32_t alternate_vertical_scan;
91    
92          // image          int aspect_ratio;
93            int par_width;
94            int par_height;
95    
96            int sprite_enable;
97            int sprite_warping_points;
98            int sprite_warping_accuracy;
99            int sprite_brightness_change;
100    
101            int newpred_enable;
102            int reduced_resolution_enable;
103    
104            /* The bitstream version if it's a XviD stream */
105            int bs_version;
106    
107            /* image */
108    
109            int fixed_dimensions;
110          uint32_t width;          uint32_t width;
111          uint32_t height;          uint32_t height;
112          uint32_t edged_width;          uint32_t edged_width;
113          uint32_t edged_height;          uint32_t edged_height;
114    
115          IMAGE cur;          IMAGE cur;
116          IMAGE refn;          IMAGE refn[2];                          /* 0   -- last I or P VOP */
117          IMAGE refh;                                                                  /* 1   -- first I or P */
118          IMAGE refv;          IMAGE tmp;              /* bframe interpolation, and post processing tmp buffer */
119          IMAGE refhv;          IMAGE qtmp;             /* quarter pel tmp buffer */
120    
121          // macroblock          /* macroblock */
122    
123          uint32_t mb_width;          uint32_t mb_width;
124          uint32_t mb_height;          uint32_t mb_height;
125          MACROBLOCK * mbs;          MACROBLOCK * mbs;
126    
127            /*
128  } DECODER;           * for B-frame & low_delay==0
129             * XXX: should move frame based stuff into a DECODER_FRAMEINFO struct
130             */
131            MACROBLOCK *last_mbs;                   /* last MB */
132        int last_coding_type;           /* last coding type value */
133            int last_reduced_resolution;    /* last reduced_resolution value */
134            int32_t frames;                         /* total frame number */
135            int32_t packed_mode;            /* bframes packed bitstream? (1 = yes) */
136            int8_t scalability;
137            VECTOR p_fmv, p_bmv;            /* pred forward & backward motion vector */
138            int64_t time;                           /* for record time */
139            int64_t time_base;
140            int64_t last_time_base;
141            int64_t last_non_b_time;
142            uint32_t time_pp;
143            uint32_t time_bp;
144            uint32_t low_delay;                     /* low_delay flage (1 means no B_VOP) */
145            uint32_t low_delay_default;     /* default value for low_delay flag */
146    
147            /* for GMC: central place for all parameters */
148    
149            IMAGE gmc;              /* gmc tmp buffer, remove for blockbased compensation */
150            GMC_DATA gmc_data;
151    
152            xvid_image_t* out_frm;                /* This is used for slice rendering */
153    }
154    DECODER;
155    
156    /*****************************************************************************
157     * Decoder prototypes
158     ****************************************************************************/
159    
160  void init_decoder(uint32_t cpu_flags);  void init_decoder(uint32_t cpu_flags);
161    
162  int decoder_create(XVID_DEC_PARAM * param);  int decoder_create(xvid_dec_create_t * param);
163  int decoder_destroy(DECODER * dec);  int decoder_destroy(DECODER * dec);
164  int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);  int decoder_decode(DECODER * dec,
165                                       xvid_dec_frame_t * frame, xvid_dec_stats_t * stats);
166    
167    
168  #endif /* _DECODER_H_ */  #endif

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