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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 <stdint.h> | |
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 | ||
2ba45a60 DM |
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 */ |