1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * MPEG-1/2 muxer and demuxer common defines 3cabdff1aSopenharmony_ci * Copyright (c) 2000, 2001, 2002 Fabrice Bellard 4cabdff1aSopenharmony_ci * 5cabdff1aSopenharmony_ci * This file is part of FFmpeg. 6cabdff1aSopenharmony_ci * 7cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 8cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 9cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 10cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 11cabdff1aSopenharmony_ci * 12cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 13cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 14cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15cabdff1aSopenharmony_ci * Lesser General Public License for more details. 16cabdff1aSopenharmony_ci * 17cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 18cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 19cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20cabdff1aSopenharmony_ci */ 21cabdff1aSopenharmony_ci 22cabdff1aSopenharmony_ci#ifndef AVFORMAT_MPEG_H 23cabdff1aSopenharmony_ci#define AVFORMAT_MPEG_H 24cabdff1aSopenharmony_ci 25cabdff1aSopenharmony_ci#include <stdint.h> 26cabdff1aSopenharmony_ci#include "libavutil/intreadwrite.h" 27cabdff1aSopenharmony_ci 28cabdff1aSopenharmony_ci#define PACK_START_CODE ((unsigned int)0x000001ba) 29cabdff1aSopenharmony_ci#define SYSTEM_HEADER_START_CODE ((unsigned int)0x000001bb) 30cabdff1aSopenharmony_ci#define SEQUENCE_END_CODE ((unsigned int)0x000001b7) 31cabdff1aSopenharmony_ci#define PACKET_START_CODE_MASK ((unsigned int)0xffffff00) 32cabdff1aSopenharmony_ci#define PACKET_START_CODE_PREFIX ((unsigned int)0x00000100) 33cabdff1aSopenharmony_ci#define ISO_11172_END_CODE ((unsigned int)0x000001b9) 34cabdff1aSopenharmony_ci 35cabdff1aSopenharmony_ci/* mpeg2 */ 36cabdff1aSopenharmony_ci#define PROGRAM_STREAM_MAP 0x1bc 37cabdff1aSopenharmony_ci#define PRIVATE_STREAM_1 0x1bd 38cabdff1aSopenharmony_ci#define PADDING_STREAM 0x1be 39cabdff1aSopenharmony_ci#define PRIVATE_STREAM_2 0x1bf 40cabdff1aSopenharmony_ci 41cabdff1aSopenharmony_ci#define AUDIO_ID 0xc0 42cabdff1aSopenharmony_ci#define VIDEO_ID 0xe0 43cabdff1aSopenharmony_ci#define H264_ID 0xe2 44cabdff1aSopenharmony_ci#define AC3_ID 0x80 45cabdff1aSopenharmony_ci#define DTS_ID 0x88 46cabdff1aSopenharmony_ci#define LPCM_ID 0xa0 47cabdff1aSopenharmony_ci#define SUB_ID 0x20 48cabdff1aSopenharmony_ci 49cabdff1aSopenharmony_ci#define STREAM_TYPE_VIDEO_MPEG1 0x01 50cabdff1aSopenharmony_ci#define STREAM_TYPE_VIDEO_MPEG2 0x02 51cabdff1aSopenharmony_ci#define STREAM_TYPE_AUDIO_MPEG1 0x03 52cabdff1aSopenharmony_ci#define STREAM_TYPE_AUDIO_MPEG2 0x04 53cabdff1aSopenharmony_ci#define STREAM_TYPE_PRIVATE_SECTION 0x05 54cabdff1aSopenharmony_ci#define STREAM_TYPE_PRIVATE_DATA 0x06 55cabdff1aSopenharmony_ci#define STREAM_TYPE_AUDIO_AAC 0x0f 56cabdff1aSopenharmony_ci#define STREAM_TYPE_VIDEO_MPEG4 0x10 57cabdff1aSopenharmony_ci#define STREAM_TYPE_VIDEO_H264 0x1b 58cabdff1aSopenharmony_ci#define STREAM_TYPE_VIDEO_HEVC 0x24 59cabdff1aSopenharmony_ci#define STREAM_TYPE_VIDEO_CAVS 0x42 60cabdff1aSopenharmony_ci 61cabdff1aSopenharmony_ci#define STREAM_TYPE_AUDIO_AC3 0x81 62cabdff1aSopenharmony_ci 63cabdff1aSopenharmony_cistatic const int lpcm_freq_tab[4] = { 48000, 96000, 44100, 32000 }; 64cabdff1aSopenharmony_ci 65cabdff1aSopenharmony_ci/** 66cabdff1aSopenharmony_ci * Parse MPEG-PES five-byte timestamp 67cabdff1aSopenharmony_ci */ 68cabdff1aSopenharmony_cistatic inline int64_t ff_parse_pes_pts(const uint8_t *buf) { 69cabdff1aSopenharmony_ci return (int64_t)(*buf & 0x0e) << 29 | 70cabdff1aSopenharmony_ci (AV_RB16(buf+1) >> 1) << 15 | 71cabdff1aSopenharmony_ci AV_RB16(buf+3) >> 1; 72cabdff1aSopenharmony_ci} 73cabdff1aSopenharmony_ci 74cabdff1aSopenharmony_ci#endif /* AVFORMAT_MPEG_H */ 75