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revision 1.2, Tue Mar 26 11:16:08 2002 UTC revision 1.13.2.7, Sun Nov 30 16:13:15 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;          uint16_t *mpeg_quant_matrices;
85            int32_t quarterpel;
86            int complexity_estimation_disable;
87            ESTIMATION estimation;
88    
89          uint32_t interlacing;          int interlacing;
90          uint32_t top_field_first;          uint32_t top_field_first;
91          uint32_t alternate_vertical_scan;          uint32_t alternate_vertical_scan;
92    
93          // image          int aspect_ratio;
94            int par_width;
95            int par_height;
96    
97            int sprite_enable;
98            int sprite_warping_points;
99            int sprite_warping_accuracy;
100            int sprite_brightness_change;
101    
102            int newpred_enable;
103            int reduced_resolution_enable;
104    
105            /* The bitstream version if it's a XviD stream */
106            int bs_version;
107    
108            /* image */
109    
110            int fixed_dimensions;
111          uint32_t width;          uint32_t width;
112          uint32_t height;          uint32_t height;
113          uint32_t edged_width;          uint32_t edged_width;
114          uint32_t edged_height;          uint32_t edged_height;
115    
116          IMAGE cur;          IMAGE cur;
117          IMAGE refn;          IMAGE refn[2];                          /* 0   -- last I or P VOP */
118          IMAGE refh;                                                                  /* 1   -- first I or P */
119          IMAGE refv;          IMAGE tmp;              /* bframe interpolation, and post processing tmp buffer */
120          IMAGE refhv;          IMAGE qtmp;             /* quarter pel tmp buffer */
121    
122          // macroblock          /* macroblock */
123    
124          uint32_t mb_width;          uint32_t mb_width;
125          uint32_t mb_height;          uint32_t mb_height;
126          MACROBLOCK * mbs;          MACROBLOCK * mbs;
127    
128            /*
129  } DECODER;           * for B-frame & low_delay==0
130             * XXX: should move frame based stuff into a DECODER_FRAMEINFO struct
131             */
132            MACROBLOCK *last_mbs;                   /* last MB */
133        int last_coding_type;           /* last coding type value */
134            int last_reduced_resolution;    /* last reduced_resolution value */
135            int32_t frames;                         /* total frame number */
136            int32_t packed_mode;            /* bframes packed bitstream? (1 = yes) */
137            int8_t scalability;
138            VECTOR p_fmv, p_bmv;            /* pred forward & backward motion vector */
139            int64_t time;                           /* for record time */
140            int64_t time_base;
141            int64_t last_time_base;
142            int64_t last_non_b_time;
143            uint32_t time_pp;
144            uint32_t time_bp;
145            uint32_t low_delay;                     /* low_delay flage (1 means no B_VOP) */
146            uint32_t low_delay_default;     /* default value for low_delay flag */
147    
148            /* for GMC: central place for all parameters */
149    
150            IMAGE gmc;              /* gmc tmp buffer, remove for blockbased compensation */
151            GMC_DATA gmc_data;
152            NEW_GMC_DATA new_gmc_data;
153    
154            xvid_image_t* 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_create_t * 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_t * frame, xvid_dec_stats_t * stats);
168    
169    
170  #endif /* _DECODER_H_ */  #endif

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