blob: f51faf460744bfab62a1c5ae57c3bd58da65436e
1 | /* |
2 | * MPEG-1/2 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 | * MPEG-1/2 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 */ |
58 |