FFmpeg/libavcodec/mpeg12data.h
Michael Niedermayer 7acee6654c mpeg12data: increase size of ff_mpeg1_default_intra_matrix to prevent harmless overreads from crashing
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-14 03:17:52 +01:00

58 lines
1.8 KiB
C

/*
* MPEG1/2 tables
* copyright (c) 2000,2001 Fabrice Bellard
* copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* MPEG1/2 tables.
*/
#ifndef AVCODEC_MPEG12DATA_H
#define AVCODEC_MPEG12DATA_H
#include <stdint.h>
#include "libavutil/rational.h"
#include "rl.h"
extern const uint16_t ff_mpeg1_default_intra_matrix[];
extern const uint16_t ff_mpeg1_default_non_intra_matrix[64];
extern const uint16_t ff_mpeg12_vlc_dc_lum_code[12];
extern const unsigned char ff_mpeg12_vlc_dc_lum_bits[12];
extern const uint16_t ff_mpeg12_vlc_dc_chroma_code[12];
extern const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12];
extern RLTable ff_rl_mpeg1;
extern RLTable ff_rl_mpeg2;
extern const uint8_t ff_mpeg12_mbAddrIncrTable[36][2];
extern const uint8_t ff_mpeg12_mbPatTable[64][2];
extern const uint8_t ff_mpeg12_mbMotionVectorTable[17][2];
extern const AVRational ff_mpeg12_frame_rate_tab[];
extern const AVRational ff_mpeg2_frame_rate_tab[];
extern const float ff_mpeg1_aspect[16];
extern const AVRational ff_mpeg2_aspect[16];
#endif /* AVCODEC_MPEG12DATA_H */