blob: 02199d01237f8927d4f5b62f5a5c4d449b85cb31
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 | |
35 | #include "rl.h" |
36 | #include "vlc.h" |
37 | |
38 | /* motion vector table */ |
39 | typedef struct MVTable { |
40 | int n; |
41 | const uint16_t *table_mv_code; |
42 | const uint8_t *table_mv_bits; |
43 | const uint8_t *table_mvx; |
44 | const uint8_t *table_mvy; |
45 | uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */ |
46 | VLC vlc; /* decoding: vlc */ |
47 | } MVTable; |
48 | |
49 | extern VLC ff_msmp4_mb_i_vlc; |
50 | extern VLC ff_msmp4_dc_luma_vlc[2]; |
51 | extern VLC ff_msmp4_dc_chroma_vlc[2]; |
52 | |
53 | /* intra picture macroblock coded block pattern */ |
54 | extern const uint16_t ff_msmp4_mb_i_table[64][2]; |
55 | |
56 | #define WMV1_SCANTABLE_COUNT 4 |
57 | |
58 | extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64]; |
59 | |
60 | #define NB_RL_TABLES 6 |
61 | |
62 | extern RLTable ff_rl_table[NB_RL_TABLES]; |
63 | extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3]; |
64 | |
65 | extern uint32_t ff_v2_dc_lum_table[512][2]; |
66 | extern uint32_t ff_v2_dc_chroma_table[512][2]; |
67 | |
68 | extern const uint8_t ff_wmv1_y_dc_scale_table[32]; |
69 | extern const uint8_t ff_wmv1_c_dc_scale_table[32]; |
70 | extern const uint8_t ff_old_ff_y_dc_scale_table[32]; |
71 | |
72 | extern MVTable ff_mv_tables[2]; |
73 | |
74 | extern const uint8_t ff_v2_mb_type[8][2]; |
75 | extern const uint8_t ff_v2_intra_cbpc[4][2]; |
76 | |
77 | extern const uint32_t ff_table_mb_non_intra[128][2]; |
78 | extern const uint8_t ff_table_inter_intra[4][2]; |
79 | |
80 | extern const uint32_t ff_table0_dc_lum[120][2]; |
81 | extern const uint32_t ff_table1_dc_lum[120][2]; |
82 | extern const uint32_t ff_table0_dc_chroma[120][2]; |
83 | extern const uint32_t ff_table1_dc_chroma[120][2]; |
84 | |
85 | #define WMV2_INTER_CBP_TABLE_COUNT 4 |
86 | extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2]; |
87 | |
88 | #endif /* AVCODEC_MSMPEG4DATA_H */ |
89 |