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2ba45a60 DM |
1 | /* |
2 | * MPEG1/2 tables | |
3 | * copyright (c) 2000,2001 Fabrice Bellard | |
4 | * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | |
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 | * MPEG1/2 tables. | |
26 | */ | |
27 | ||
28 | #ifndef AVCODEC_MPEG12DATA_H | |
29 | #define AVCODEC_MPEG12DATA_H | |
30 | ||
31 | #include <stdint.h> | |
32 | #include "libavutil/rational.h" | |
33 | #include "rl.h" | |
34 | ||
35 | extern const uint16_t ff_mpeg1_default_intra_matrix[]; | |
36 | extern const uint16_t ff_mpeg1_default_non_intra_matrix[64]; | |
37 | ||
38 | extern const uint16_t ff_mpeg12_vlc_dc_lum_code[12]; | |
39 | extern const unsigned char ff_mpeg12_vlc_dc_lum_bits[12]; | |
40 | extern const uint16_t ff_mpeg12_vlc_dc_chroma_code[12]; | |
41 | extern const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12]; | |
42 | ||
43 | extern RLTable ff_rl_mpeg1; | |
44 | extern RLTable ff_rl_mpeg2; | |
45 | ||
46 | extern const uint8_t ff_mpeg12_mbAddrIncrTable[36][2]; | |
47 | extern const uint8_t ff_mpeg12_mbPatTable[64][2]; | |
48 | ||
49 | extern const uint8_t ff_mpeg12_mbMotionVectorTable[17][2]; | |
50 | ||
51 | extern const AVRational ff_mpeg12_frame_rate_tab[]; | |
52 | extern const AVRational ff_mpeg2_frame_rate_tab[]; | |
53 | ||
54 | extern const float ff_mpeg1_aspect[16]; | |
55 | extern const AVRational ff_mpeg2_aspect[16]; | |
56 | ||
57 | #endif /* AVCODEC_MPEG12DATA_H */ |