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1 : edgomez 1.7 /*****************************************************************************
2 :     *
3 :     * XVID MPEG-4 VIDEO CODEC
4 :     * - Decoder header -
5 :     *
6 : edgomez 1.13 * 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 : edgomez 1.7 * (at your option) any later version.
19 :     *
20 :     * This program is distributed in the hope that it will be useful,
21 : edgomez 1.13 * but WITHOUT ANY WARRANTY ; without even the implied warranty of
22 : edgomez 1.7 * 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 : edgomez 1.13 * along with this program ; if not, write to the Free Software
27 : edgomez 1.7 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 :     *
29 : edgomez 1.13 ****************************************************************************/
30 :     /*****************************************************************************
31 :     *
32 :     * History
33 : edgomez 1.7 *
34 : edgomez 1.13 * - 13.06.2002 Added legal header - Cosmetic
35 :     *
36 :     * $Id: decoder.h,v 1.10.2.6 2003/01/11 14:59:23 chl Exp $
37 : edgomez 1.7 *
38 :     ****************************************************************************/
39 :    
40 : Isibaar 1.1 #ifndef _DECODER_H_
41 :     #define _DECODER_H_
42 :    
43 :     #include "xvid.h"
44 :     #include "portab.h"
45 :     #include "global.h"
46 :     #include "image/image.h"
47 :    
48 : edgomez 1.7 /*****************************************************************************
49 :     * Structures
50 :     ****************************************************************************/
51 : Isibaar 1.1
52 : edgomez 1.13 /* complexity estimation toggles */
53 :     typedef struct
54 :     {
55 :     int method;
56 :    
57 :     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 : Isibaar 1.1 typedef struct
88 :     {
89 : edgomez 1.13 // vol bitstream
90 :    
91 :     int time_inc_resolution;
92 :     int fixed_time_inc;
93 :     uint32_t time_inc_bits;
94 : Isibaar 1.1
95 :     uint32_t shape;
96 :     uint32_t quant_bits;
97 :     uint32_t quant_type;
98 : edgomez 1.13 int32_t quarterpel;
99 :     int complexity_estimation_disable;
100 :     ESTIMATION estimation;
101 : Isibaar 1.1
102 : edgomez 1.13 int interlacing;
103 : h 1.2 uint32_t top_field_first;
104 :     uint32_t alternate_vertical_scan;
105 :    
106 : edgomez 1.13 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 : Isibaar 1.1
120 : edgomez 1.13 int fixed_dimensions;
121 : Isibaar 1.1 uint32_t width;
122 :     uint32_t height;
123 :     uint32_t edged_width;
124 :     uint32_t edged_height;
125 : edgomez 1.6
126 : Isibaar 1.1 IMAGE cur;
127 : edgomez 1.13 IMAGE refn[2]; // 0 -- last I or P VOP
128 :     // 1 -- first I or P
129 :     IMAGE tmp; /* bframe interpolation, and post processing tmp buffer */
130 :     IMAGE qtmp; /* quarter pel tmp buffer */
131 : Isibaar 1.1
132 : edgomez 1.13 // macroblock
133 : Isibaar 1.1
134 :     uint32_t mb_width;
135 :     uint32_t mb_height;
136 : edgomez 1.6 MACROBLOCK *mbs;
137 : Isibaar 1.1
138 : edgomez 1.13 // for B-frame & low_delay==0
139 :     // 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 : edgomez 1.6 int8_t scalability;
145 : edgomez 1.13 VECTOR p_fmv, p_bmv; // pred forward & backward motion vector
146 :     int64_t time; // for record time
147 : edgomez 1.6 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 : edgomez 1.13 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 : albeu 1.10
155 : edgomez 1.13 // 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 : edgomez 1.6 }
162 :     DECODER;
163 : Isibaar 1.1
164 : edgomez 1.7 /*****************************************************************************
165 :     * Decoder prototypes
166 :     ****************************************************************************/
167 :    
168 : Isibaar 1.1 void init_decoder(uint32_t cpu_flags);
169 :    
170 :     int decoder_create(XVID_DEC_PARAM * param);
171 :     int decoder_destroy(DECODER * dec);
172 : edgomez 1.6 int decoder_decode(DECODER * dec,
173 : edgomez 1.13 XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats);
174 : Isibaar 1.1
175 :    
176 : edgomez 1.7 #endif

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