Subversion Repositories Kolibri OS

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
6147 serge 1
/*
2
 * VC-1 and WMV3 decoder
3
 * copyright (c) 2006 Konstantin Shishkov
4
 * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer
5
 *
6
 * This file is part of FFmpeg.
7
 *
8
 * FFmpeg is free software; you can redistribute it and/or
9
 * modify it under the terms of the GNU Lesser General Public
10
 * License as published by the Free Software Foundation; either
11
 * version 2.1 of the License, or (at your option) any later version.
12
 *
13
 * FFmpeg 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 GNU
16
 * Lesser General Public License for more details.
17
 *
18
 * You should have received a copy of the GNU Lesser General Public
19
 * License along with FFmpeg; if not, write to the Free Software
20
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
 */
22
 
23
/**
24
 * @file
25
 * VC-1 tables.
26
 */
27
 
28
#ifndef AVCODEC_VC1DATA_H
29
#define AVCODEC_VC1DATA_H
30
 
31
#include 
32
#include "libavutil/rational.h"
33
#include "get_bits.h"
34
 
35
/** Table for conversion between TTBLK and TTMB */
36
extern const int ff_vc1_ttblk_to_tt[3][8];
37
 
38
extern const int ff_vc1_ttfrm_to_tt[4];
39
 
40
/** MV P mode - the 5th element is only used for mode 1 */
41
extern const uint8_t ff_vc1_mv_pmode_table[2][5];
42
extern const uint8_t ff_vc1_mv_pmode_table2[2][4];
43
 
44
extern const int ff_vc1_fps_nr[7], ff_vc1_fps_dr[2];
45
extern const uint8_t ff_vc1_pquant_table[3][32];
46
 
47
/* MBMODE table for interlaced frame P-picture */
48
extern const uint8_t ff_vc1_mbmode_intfrp[2][15][4];
49
 
50
/** @name VC-1 VLC tables and defines
51
 *  @todo TODO move this into the context
52
 */
53
//@{
54
#define VC1_BFRACTION_VLC_BITS 7
55
extern VLC ff_vc1_bfraction_vlc;
56
#define VC1_IMODE_VLC_BITS 4
57
extern VLC ff_vc1_imode_vlc;
58
#define VC1_NORM2_VLC_BITS 3
59
extern VLC ff_vc1_norm2_vlc;
60
#define VC1_NORM6_VLC_BITS 9
61
extern VLC ff_vc1_norm6_vlc;
62
/* Could be optimized, one table only needs 8 bits */
63
#define VC1_TTMB_VLC_BITS 9 //12
64
extern VLC ff_vc1_ttmb_vlc[3];
65
#define VC1_MV_DIFF_VLC_BITS 9 //15
66
extern VLC ff_vc1_mv_diff_vlc[4];
67
#define VC1_CBPCY_P_VLC_BITS 9 //14
68
extern VLC ff_vc1_cbpcy_p_vlc[4];
69
#define VC1_ICBPCY_VLC_BITS 9
70
extern VLC ff_vc1_icbpcy_vlc[8];
71
#define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6
72
extern VLC ff_vc1_4mv_block_pattern_vlc[4];
73
#define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3
74
extern VLC ff_vc1_2mv_block_pattern_vlc[4];
75
#define VC1_TTBLK_VLC_BITS 5
76
extern VLC ff_vc1_ttblk_vlc[3];
77
#define VC1_SUBBLKPAT_VLC_BITS 6
78
extern VLC ff_vc1_subblkpat_vlc[3];
79
#define VC1_INTFR_4MV_MBMODE_VLC_BITS 9
80
extern VLC ff_vc1_intfr_4mv_mbmode_vlc[4];
81
#define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6
82
extern VLC ff_vc1_intfr_non4mv_mbmode_vlc[4];
83
#define VC1_IF_MMV_MBMODE_VLC_BITS 5
84
extern VLC ff_vc1_if_mmv_mbmode_vlc[8];
85
#define VC1_IF_1MV_MBMODE_VLC_BITS 5
86
extern VLC ff_vc1_if_1mv_mbmode_vlc[8];
87
#define VC1_1REF_MVDATA_VLC_BITS 9
88
extern VLC ff_vc1_1ref_mvdata_vlc[4];
89
#define VC1_2REF_MVDATA_VLC_BITS 9
90
extern VLC ff_vc1_2ref_mvdata_vlc[8];
91
 
92
extern VLC ff_vc1_ac_coeff_table[8];
93
 
94
#define VC1_IF_MBMODE_VLC_BITS 5
95
//@}
96
 
97
#define B_FRACTION_DEN  256
98
 
99
/* pre-computed scales for all bfractions and base=256 */
100
extern const int16_t ff_vc1_bfraction_lut[23];
101
extern const uint8_t ff_vc1_bfraction_bits[23];
102
extern const uint8_t ff_vc1_bfraction_codes[23];
103
 
104
//Same as H.264
105
extern const AVRational ff_vc1_pixel_aspect[16];
106
 
107
/* BitPlane IMODE - such a small table... */
108
extern const uint8_t ff_vc1_imode_codes[7];
109
extern const uint8_t ff_vc1_imode_bits[7];
110
 
111
/* Normal-2 imode */
112
extern const uint8_t ff_vc1_norm2_codes[4];
113
extern const uint8_t ff_vc1_norm2_bits[4];
114
extern const uint16_t ff_vc1_norm6_codes[64];
115
extern const uint8_t ff_vc1_norm6_bits[64];
116
/* Normal-6 imode */
117
extern const uint8_t ff_vc1_norm6_spec[64][5];
118
 
119
/* 4MV Block pattern VLC tables */
120
extern const uint8_t ff_vc1_4mv_block_pattern_codes[4][16];
121
extern const uint8_t ff_vc1_4mv_block_pattern_bits[4][16];
122
 
123
/* 2MV Block pattern VLC tables */
124
extern const uint8_t ff_vc1_2mv_block_pattern_codes[4][4];
125
extern const uint8_t ff_vc1_2mv_block_pattern_bits[4][4];
126
 
127
extern const uint8_t ff_wmv3_dc_scale_table[32];
128
 
129
/* P-Picture CBPCY VLC tables */
130
extern const uint16_t ff_vc1_cbpcy_p_codes[4][64];
131
extern const uint8_t ff_vc1_cbpcy_p_bits[4][64];
132
 
133
/* Interlaced CBPCY VLC tables (Table 124 - Table 131) */
134
extern const uint16_t ff_vc1_icbpcy_p_codes[8][63];
135
extern const uint8_t ff_vc1_icbpcy_p_bits[8][63];
136
 
137
/* MacroBlock Transform Type: 7.1.3.11, p89
138
 * 8x8:B
139
 * 8x4:B:btm  8x4:B:top  8x4:B:both,
140
 * 4x8:B:right  4x8:B:left  4x8:B:both
141
 * 4x4:B  8x8:MB
142
 * 8x4:MB:btm  8x4:MB:top  8x4,MB,both
143
 * 4x8,MB,right  4x8,MB,left
144
 * 4x4,MB                               */
145
extern const uint16_t ff_vc1_ttmb_codes[3][16];
146
 
147
extern const uint8_t ff_vc1_ttmb_bits[3][16];
148
 
149
/* TTBLK (Transform Type per Block) tables */
150
extern const uint8_t ff_vc1_ttblk_codes[3][8];
151
extern const uint8_t ff_vc1_ttblk_bits[3][8];
152
 
153
/* SUBBLKPAT tables, p93-94, reordered */
154
extern const uint8_t ff_vc1_subblkpat_codes[3][15];
155
extern const uint8_t ff_vc1_subblkpat_bits[3][15];
156
 
157
/* MV differential tables, p265 */
158
extern const uint16_t ff_vc1_mv_diff_codes[4][73];
159
extern const uint8_t ff_vc1_mv_diff_bits[4][73];
160
 
161
/* Interlaced frame picture MBMODE VLC tables (p. 246, p. 360) */
162
extern const uint16_t ff_vc1_intfr_4mv_mbmode_codes[4][15];
163
extern const uint8_t ff_vc1_intfr_4mv_mbmode_bits[4][15];
164
extern const uint8_t ff_vc1_intfr_non4mv_mbmode_codes[4][9];
165
extern const uint8_t ff_vc1_intfr_non4mv_mbmode_bits[4][9];
166
 
167
/* Interlaced field picture MBMODE VLC tables (p. 356 - 11.4.1, 11.4.2) */
168
extern const uint8_t ff_vc1_if_mmv_mbmode_codes[8][8];
169
extern const uint8_t ff_vc1_if_mmv_mbmode_bits[8][8];
170
extern const uint8_t ff_vc1_if_1mv_mbmode_codes[8][6];
171
extern const uint8_t ff_vc1_if_1mv_mbmode_bits[8][6];
172
 
173
/* Interlaced frame/field picture MVDATA VLC tables */
174
/* 1-reference tables */
175
extern const uint32_t ff_vc1_1ref_mvdata_codes[4][72];
176
extern const uint8_t ff_vc1_1ref_mvdata_bits[4][72];
177
/* 2-reference tables */
178
extern const uint32_t ff_vc1_2ref_mvdata_codes[8][126];
179
extern const uint8_t ff_vc1_2ref_mvdata_bits[8][126];
180
 
181
/* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */
182
 
183
/* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */
184
extern const uint8_t ff_vc1_simple_progressive_4x4_zz [16];
185
extern const uint8_t ff_vc1_adv_progressive_8x4_zz [32];
186
extern const uint8_t ff_vc1_adv_progressive_4x8_zz [32];
187
extern const uint8_t ff_vc1_adv_interlaced_8x8_zz [64];
188
extern const uint8_t ff_vc1_adv_interlaced_8x4_zz [32];
189
extern const uint8_t ff_vc1_adv_interlaced_4x8_zz [32];
190
extern const uint8_t ff_vc1_adv_interlaced_4x4_zz [16];
191
extern const uint8_t ff_vc1_intra_horz_8x8_zz [64];
192
extern const uint8_t ff_vc1_intra_vert_8x8_zz [64];
193
 
194
/* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */
195
extern const int32_t ff_vc1_dqscale[63];
196
 
197
/* P Interlaced field picture MV predictor scaling values (Table 114) */
198
extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4];
199
/* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */
200
extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4];
201
 
202
#define AC_MODES 8
203
 
204
extern const int ff_vc1_ac_sizes[AC_MODES];
205
 
206
#endif /* AVCODEC_VC1DATA_H */