FFmpeg
vc1data.h
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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 
33 #include "libavutil/attributes_internal.h"
34 #include "libavutil/rational.h"
35 
36 #include "vlc.h"
37 
38 FF_VISIBILITY_PUSH_HIDDEN
39 /** Table for conversion between TTBLK and TTMB */
40 extern const int ff_vc1_ttblk_to_tt[3][8];
41 
42 extern const int ff_vc1_ttfrm_to_tt[4];
43 
44 /** MV P mode - the 5th element is only used for mode 1 */
45 extern const uint8_t ff_vc1_mv_pmode_table[2][5];
46 extern const uint8_t ff_vc1_mv_pmode_table2[2][4];
47 
48 extern const int ff_vc1_fps_nr[7], ff_vc1_fps_dr[2];
49 extern const uint8_t ff_vc1_pquant_table[3][32];
50 
51 /* MBMODE table for interlaced frame P-picture */
52 extern const uint8_t ff_vc1_mbmode_intfrp[2][15][4];
53 
54 /** @name VC-1 VLC tables and defines
55  * @todo TODO move this into the context
56  */
57 //@{
58 #define VC1_IMODE_VLC_BITS 4
59 extern VLC ff_vc1_imode_vlc;
60 #define VC1_NORM2_VLC_BITS 3
61 extern VLC ff_vc1_norm2_vlc;
62 #define VC1_NORM6_VLC_BITS 9
63 extern VLC ff_vc1_norm6_vlc;
64 /* Could be optimized, one table only needs 8 bits */
65 #define VC1_TTMB_VLC_BITS 9 //12
66 extern VLC ff_vc1_ttmb_vlc[3];
67 #define VC1_MV_DIFF_VLC_BITS 9 //15
68 extern VLC ff_vc1_mv_diff_vlc[4];
69 #define VC1_CBPCY_P_VLC_BITS 9 //14
70 extern VLC ff_vc1_cbpcy_p_vlc[4];
71 #define VC1_ICBPCY_VLC_BITS 9
72 extern VLC ff_vc1_icbpcy_vlc[8];
73 #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6
74 extern VLC ff_vc1_4mv_block_pattern_vlc[4];
75 #define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3
76 extern VLC ff_vc1_2mv_block_pattern_vlc[4];
77 #define VC1_TTBLK_VLC_BITS 5
78 extern VLC ff_vc1_ttblk_vlc[3];
79 #define VC1_SUBBLKPAT_VLC_BITS 6
80 extern VLC ff_vc1_subblkpat_vlc[3];
81 #define VC1_INTFR_4MV_MBMODE_VLC_BITS 9
82 extern VLC ff_vc1_intfr_4mv_mbmode_vlc[4];
83 #define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6
84 extern VLC ff_vc1_intfr_non4mv_mbmode_vlc[4];
85 #define VC1_IF_MMV_MBMODE_VLC_BITS 5
86 extern VLC ff_vc1_if_mmv_mbmode_vlc[8];
87 #define VC1_IF_1MV_MBMODE_VLC_BITS 5
88 extern VLC ff_vc1_if_1mv_mbmode_vlc[8];
89 #define VC1_1REF_MVDATA_VLC_BITS 9
90 extern VLC ff_vc1_1ref_mvdata_vlc[4];
91 #define VC1_2REF_MVDATA_VLC_BITS 9
92 extern VLC ff_vc1_2ref_mvdata_vlc[8];
93 
94 extern VLC ff_vc1_ac_coeff_table[8];
95 
96 #define VC1_IF_MBMODE_VLC_BITS 5 // as a placeholder for VC1_IF_MMV_MBMODE_VLC_BITS
97  // or VC1_IF_1MV_MBMODE_VLC_BITS since they are the same
98 //@}
99 
100 #define B_FRACTION_DEN 256
101 
102 /* pre-computed scales for all bfractions and base=256 */
103 extern const int16_t ff_vc1_bfraction_lut[23];
104 
105 //Same as H.264
106 extern const AVRational ff_vc1_pixel_aspect[16];
107 
108 extern const uint8_t ff_wmv3_dc_scale_table[32];
109 
110 /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */
111 
112 /* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */
113 extern const uint8_t ff_vc1_simple_progressive_4x4_zz [16];
114 extern const uint8_t ff_vc1_adv_progressive_8x4_zz [32];
115 extern const uint8_t ff_vc1_adv_progressive_4x8_zz [32];
116 extern const uint8_t ff_vc1_adv_interlaced_8x8_zz [64];
117 extern const uint8_t ff_vc1_adv_interlaced_8x4_zz [32];
118 extern const uint8_t ff_vc1_adv_interlaced_4x8_zz [32];
119 extern const uint8_t ff_vc1_adv_interlaced_4x4_zz [16];
120 
121 /* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */
122 extern const int32_t ff_vc1_dqscale[63];
123 
124 /* P Interlaced field picture MV predictor scaling values (Table 114) */
125 extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4];
126 /* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */
127 extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4];
128 
129 #define AC_MODES 8
130 
131 extern const int ff_vc1_ac_sizes[AC_MODES];
132 FF_VISIBILITY_POP_HIDDEN
133 
134 #endif /* AVCODEC_VC1DATA_H */
ff_vc1_adv_interlaced_4x8_zz
const uint8_t ff_vc1_adv_interlaced_4x8_zz[32]
Definition: vc1data.c:225
FF_VISIBILITY_PUSH_HIDDEN
#define FF_VISIBILITY_PUSH_HIDDEN
Definition: attributes_internal.h:30
ff_vc1_adv_interlaced_8x8_zz
const uint8_t ff_vc1_adv_interlaced_8x8_zz[64]
Definition: vc1data.c:207
ff_vc1_dqscale
const int32_t ff_vc1_dqscale[63]
Definition: vc1data.c:245
rational.h
ff_vc1_ttfrm_to_tt
const int ff_vc1_ttfrm_to_tt[4]
Definition: vc1data.c:40
ff_vc1_mv_diff_vlc
VLC ff_vc1_mv_diff_vlc[4]
Definition: vc1data.c:110
ff_vc1_field_mvpred_scales
const uint16_t ff_vc1_field_mvpred_scales[2][7][4]
Definition: vc1data.c:257
ff_vc1_if_1mv_mbmode_vlc
VLC ff_vc1_if_1mv_mbmode_vlc[8]
Definition: vc1data.c:120
ff_vc1_bfraction_lut
const int16_t ff_vc1_bfraction_lut[23]
Definition: vc1data.c:142
ff_vc1_norm6_vlc
VLC ff_vc1_norm6_vlc
Definition: vc1data.c:107
ff_vc1_cbpcy_p_vlc
VLC ff_vc1_cbpcy_p_vlc[4]
Definition: vc1data.c:111
ff_vc1_subblkpat_vlc
VLC ff_vc1_subblkpat_vlc[3]
Definition: vc1data.c:116
attributes_internal.h
ff_vc1_intfr_non4mv_mbmode_vlc
VLC ff_vc1_intfr_non4mv_mbmode_vlc[4]
Definition: vc1data.c:118
ff_vc1_ac_sizes
const int ff_vc1_ac_sizes[AC_MODES]
Definition: vc1_vlc_data.h:1059
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
ff_vc1_ttblk_to_tt
const FF_VISIBILITY_PUSH_HIDDEN int ff_vc1_ttblk_to_tt[3][8]
Table for conversion between TTBLK and TTMB.
Definition: vc1data.c:34
ff_vc1_adv_interlaced_4x4_zz
const uint8_t ff_vc1_adv_interlaced_4x4_zz[16]
Definition: vc1data.c:236
ff_vc1_adv_interlaced_8x4_zz
const uint8_t ff_vc1_adv_interlaced_8x4_zz[32]
Definition: vc1data.c:218
ff_vc1_icbpcy_vlc
VLC ff_vc1_icbpcy_vlc[8]
Definition: vc1data.c:112
ff_vc1_fps_dr
const int ff_vc1_fps_dr[2]
Definition: vc1data.h:48
ff_vc1_norm2_vlc
VLC ff_vc1_norm2_vlc
Definition: vc1data.c:106
ff_vc1_imode_vlc
VLC ff_vc1_imode_vlc
Definition: vc1data.c:105
ff_vc1_simple_progressive_4x4_zz
const uint8_t ff_vc1_simple_progressive_4x4_zz[16]
Definition: vc1data.c:182
ff_vc1_mbmode_intfrp
const uint8_t ff_vc1_mbmode_intfrp[2][15][4]
Definition: vc1data.c:53
ff_wmv3_dc_scale_table
const uint8_t ff_wmv3_dc_scale_table[32]
Definition: vc1data.c:173
FF_VISIBILITY_POP_HIDDEN
#define FF_VISIBILITY_POP_HIDDEN
Definition: attributes_internal.h:31
ff_vc1_b_field_mvpred_scales
const uint16_t ff_vc1_b_field_mvpred_scales[7][4]
Definition: vc1data.c:281
AC_MODES
#define AC_MODES
Definition: vc1data.h:129
ff_vc1_mv_pmode_table
const uint8_t ff_vc1_mv_pmode_table[2][5]
MV P mode - the 5th element is only used for mode 1.
Definition: vc1data.c:43
ff_vc1_2ref_mvdata_vlc
VLC ff_vc1_2ref_mvdata_vlc[8]
Definition: vc1data.c:122
ff_vc1_adv_progressive_4x8_zz
const uint8_t ff_vc1_adv_progressive_4x8_zz[32]
Definition: vc1data.c:196
ff_vc1_4mv_block_pattern_vlc
VLC ff_vc1_4mv_block_pattern_vlc[4]
Definition: vc1data.c:113
ff_vc1_fps_nr
const int ff_vc1_fps_nr[7]
Definition: vc1data.c:87
VLC
Definition: vlc.h:31
ff_vc1_adv_progressive_8x4_zz
const uint8_t ff_vc1_adv_progressive_8x4_zz[32]
Definition: vc1data.c:189
ff_vc1_pixel_aspect
const AVRational ff_vc1_pixel_aspect[16]
Definition: vc1data.c:154
ff_vc1_2mv_block_pattern_vlc
VLC ff_vc1_2mv_block_pattern_vlc[4]
Definition: vc1data.c:114
ff_vc1_if_mmv_mbmode_vlc
VLC ff_vc1_if_mmv_mbmode_vlc[8]
Definition: vc1data.c:119
vlc.h
int32_t
int32_t
Definition: audioconvert.c:56
ff_vc1_ac_coeff_table
VLC ff_vc1_ac_coeff_table[8]
Definition: vc1data.c:124
ff_vc1_mv_pmode_table2
const uint8_t ff_vc1_mv_pmode_table2[2][4]
Definition: vc1data.c:47
ff_vc1_pquant_table
const uint8_t ff_vc1_pquant_table[3][32]
Definition: vc1data.c:89
ff_vc1_intfr_4mv_mbmode_vlc
VLC ff_vc1_intfr_4mv_mbmode_vlc[4]
Definition: vc1data.c:117
ff_vc1_ttmb_vlc
VLC ff_vc1_ttmb_vlc[3]
Definition: vc1data.c:109
ff_vc1_ttblk_vlc
VLC ff_vc1_ttblk_vlc[3]
Definition: vc1data.c:115
ff_vc1_1ref_mvdata_vlc
VLC ff_vc1_1ref_mvdata_vlc[4]
Definition: vc1data.c:121
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