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revision 1.12, Tue Nov 26 23:44:09 2002 UTC revision 1.13, Sat Feb 15 15:22:17 2003 UTC
# Line 3  Line 3 
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  - Decoder header -   *  - Decoder header -
5   *   *
6   *  This file is part of XviD, a free MPEG-4 video encoder/decoder   *  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   *  XviD is free software; you can redistribute it and/or modify it   *  This program is free software ; you can redistribute it and/or modify
16   *  under the terms of the GNU General Public License as published by   *  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   *  the Free Software Foundation; either version 2 of the License, or
18   *  (at your option) any later version.   *  (at your option) any later version.
19   *   *
# Line 19  Line 26 
26   *  along with this program; if not, write to the Free Software   *  along with this program; if not, write to the Free Software
27   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28   *   *
29   *  Under section 8 of the GNU General Public License, the copyright   ****************************************************************************/
30   *  holders of XVID explicitly forbid distribution in the following  /*****************************************************************************
31   *  countries:   *
32   *   *  History
33   *    - Japan   *
34   *    - United States of America   *  - 13.06.2002 Added legal header - Cosmetic
  *  
  *  Linking XviD statically or dynamically with other modules is making a  
  *  combined work based on XviD.  Thus, the terms and conditions of the  
  *  GNU General Public License cover the whole combination.  
  *  
  *  As a special exception, the copyright holders of XviD give you  
  *  permission to link XviD with independent modules that communicate with  
  *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the  
  *  license terms of these independent modules, and to copy and distribute  
  *  the resulting combined work under terms of your choice, provided that  
  *  every copy of the combined work is accompanied by a complete copy of  
  *  the source code of XviD (the version of XviD used to produce the  
  *  combined work), being distributed under the terms of the GNU General  
  *  Public License plus this exception.  An independent module is a module  
  *  which is not derived from or based on XviD.  
  *  
  *  Note that people who make modified versions of XviD are not obligated  
  *  to grant this special exception for their modified versions; it is  
  *  their choice whether to do so.  The GNU General Public License gives  
  *  permission to release a modified version without this exception; this  
  *  exception also makes it possible to release a modified version which  
  *  carries forward this exception.  
35   *   *
36   * $Id$   * $Id$
37   *   *
# Line 64  Line 49 
49   * Structures   * 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          /* image */          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
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[3];                          /* 0   -- last I or P VOP */          IMAGE refn[2];                          // 0   -- last I or P VOP
128          /* 1   -- first I or P */                                                                  // 1   -- first I or P
129          /* 2   -- for interpolate mode B-frame */          IMAGE tmp;              /* bframe interpolation, and post processing tmp buffer */
130          IMAGE refh;          IMAGE qtmp;             /* quarter pel tmp buffer */
         IMAGE refv;  
         IMAGE refhv;  
131    
132          /* macroblock */          // macroblock
133    
134          uint32_t mb_width;          uint32_t mb_width;
135          uint32_t mb_height;          uint32_t mb_height;
136          MACROBLOCK *mbs;          MACROBLOCK *mbs;
137    
138          /* for B-frame */          // for B-frame & low_delay==0
139          int32_t frames;                         /* total frame number */          // 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;          int8_t scalability;
145          VECTOR p_fmv, p_bmv;            /* pred forward & backward motion vector */          VECTOR p_fmv, p_bmv;            // pred forward & backward motion vector
146          MACROBLOCK *last_mbs;           /* last MB */          int64_t time;                           // for record time
         int64_t time;                           /* for record time */  
147          int64_t time_base;          int64_t time_base;
148          int64_t last_time_base;          int64_t last_time_base;
149          int64_t last_non_b_time;          int64_t last_non_b_time;
150          uint32_t time_pp;          uint32_t time_pp;
151          uint32_t time_bp;          uint32_t time_bp;
152          uint8_t low_delay;                      /* low_delay flage (1 means no B_VOP) */          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 */          XVID_DEC_PICTURE* out_frm;                // This is used for slice rendering
161  }  }
162  DECODER;  DECODER;
163    
# Line 125  Line 170 
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,  int decoder_decode(DECODER * dec,
173                                     XVID_DEC_FRAME * frame);                                     XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats);
174    
175    
176  #endif  #endif

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