/* * MPEG1/2 muxer and demuxer common defines * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. * * 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 */ #ifndef FFMPEG_MPEG_H #define FFMPEG_MPEG_H #include <stdint.h> #include "libavutil/intreadwrite.h" #define PACK_START_CODE ((unsigned int)0x000001ba) #define SYSTEM_HEADER_START_CODE ((unsigned int)0x000001bb) #define SEQUENCE_END_CODE ((unsigned int)0x000001b7) #define PACKET_START_CODE_MASK ((unsigned int)0xffffff00) #define PACKET_START_CODE_PREFIX ((unsigned int)0x00000100) #define ISO_11172_END_CODE ((unsigned int)0x000001b9) /* mpeg2 */ #define PROGRAM_STREAM_MAP 0x1bc #define PRIVATE_STREAM_1 0x1bd #define PADDING_STREAM 0x1be #define PRIVATE_STREAM_2 0x1bf #define AUDIO_ID 0xc0 #define VIDEO_ID 0xe0 #define AC3_ID 0x80 #define DTS_ID 0x8a #define LPCM_ID 0xa0 #define SUB_ID 0x20 #define STREAM_TYPE_VIDEO_MPEG1 0x01 #define STREAM_TYPE_VIDEO_MPEG2 0x02 #define STREAM_TYPE_AUDIO_MPEG1 0x03 #define STREAM_TYPE_AUDIO_MPEG2 0x04 #define STREAM_TYPE_PRIVATE_SECTION 0x05 #define STREAM_TYPE_PRIVATE_DATA 0x06 #define STREAM_TYPE_AUDIO_AAC 0x0f #define STREAM_TYPE_VIDEO_MPEG4 0x10 #define STREAM_TYPE_VIDEO_H264 0x1b #define STREAM_TYPE_AUDIO_AC3 0x81 #define STREAM_TYPE_AUDIO_DTS 0x8a static const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 }; /** * Parse MPEG-PES five-byte timestamp */ static inline int64_t ff_parse_pes_pts(uint8_t *buf) { return (int64_t)(*buf & 0x0e) << 29 | (AV_RB16(buf+1) >> 1) << 15 | AV_RB16(buf+3) >> 1; } #endif /* FFMPEG_MPEG_H */