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