| 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 */ |