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2ba45a60 DM |
1 | /* |
2 | * MSMPEG4 backend for encoder and decoder | |
3 | * copyright (c) 2001 Fabrice Bellard | |
4 | * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | |
5 | * | |
6 | * msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at> | |
7 | * | |
8 | * This file is part of FFmpeg. | |
9 | * | |
10 | * FFmpeg is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License as published by the Free Software Foundation; either | |
13 | * version 2.1 of the License, or (at your option) any later version. | |
14 | * | |
15 | * FFmpeg is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * Lesser General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU Lesser General Public | |
21 | * License along with FFmpeg; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | */ | |
24 | ||
25 | /** | |
26 | * @file | |
27 | * MSMPEG4 data tables. | |
28 | */ | |
29 | ||
30 | #ifndef AVCODEC_MSMPEG4DATA_H | |
31 | #define AVCODEC_MSMPEG4DATA_H | |
32 | ||
33 | #include "libavutil/common.h" | |
34 | #include "get_bits.h" | |
35 | #include "rl.h" | |
36 | ||
37 | /* motion vector table */ | |
38 | typedef struct MVTable { | |
39 | int n; | |
40 | const uint16_t *table_mv_code; | |
41 | const uint8_t *table_mv_bits; | |
42 | const uint8_t *table_mvx; | |
43 | const uint8_t *table_mvy; | |
44 | uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */ | |
45 | VLC vlc; /* decoding: vlc */ | |
46 | } MVTable; | |
47 | ||
48 | extern VLC ff_msmp4_mb_i_vlc; | |
49 | extern VLC ff_msmp4_dc_luma_vlc[2]; | |
50 | extern VLC ff_msmp4_dc_chroma_vlc[2]; | |
51 | ||
52 | /* intra picture macroblock coded block pattern */ | |
53 | extern const uint16_t ff_msmp4_mb_i_table[64][2]; | |
54 | ||
55 | #define WMV1_SCANTABLE_COUNT 4 | |
56 | ||
57 | extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64]; | |
58 | ||
59 | #define NB_RL_TABLES 6 | |
60 | ||
61 | extern RLTable ff_rl_table[NB_RL_TABLES]; | |
62 | extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3]; | |
63 | ||
64 | extern uint32_t ff_v2_dc_lum_table[512][2]; | |
65 | extern uint32_t ff_v2_dc_chroma_table[512][2]; | |
66 | ||
67 | extern const uint8_t ff_wmv1_y_dc_scale_table[32]; | |
68 | extern const uint8_t ff_wmv1_c_dc_scale_table[32]; | |
69 | extern const uint8_t ff_old_ff_y_dc_scale_table[32]; | |
70 | ||
71 | extern MVTable ff_mv_tables[2]; | |
72 | ||
73 | extern const uint8_t ff_v2_mb_type[8][2]; | |
74 | extern const uint8_t ff_v2_intra_cbpc[4][2]; | |
75 | ||
76 | extern const uint32_t ff_table_mb_non_intra[128][2]; | |
77 | extern const uint8_t ff_table_inter_intra[4][2]; | |
78 | ||
79 | extern const uint32_t ff_table0_dc_lum[120][2]; | |
80 | extern const uint32_t ff_table1_dc_lum[120][2]; | |
81 | extern const uint32_t ff_table0_dc_chroma[120][2]; | |
82 | extern const uint32_t ff_table1_dc_chroma[120][2]; | |
83 | ||
84 | #define WMV2_INTER_CBP_TABLE_COUNT 4 | |
85 | extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2]; | |
86 | ||
87 | extern const uint8_t ff_wmv2_scantableA[64]; | |
88 | extern const uint8_t ff_wmv2_scantableB[64]; | |
89 | ||
90 | #endif /* AVCODEC_MSMPEG4DATA_H */ |