1/* 2 * MPEG2 transport stream defines 3 * Copyright (c) 2003 Fabrice Bellard 4 * 5 * This file is part of Libav. 6 * 7 * Libav is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * Libav is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with Libav; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#ifndef AVFORMAT_MPEGTS_H 23#define AVFORMAT_MPEGTS_H 24 25#include "avformat.h" 26 27#define TS_FEC_PACKET_SIZE 204 28#define TS_DVHS_PACKET_SIZE 192 29#define TS_PACKET_SIZE 188 30#define TS_MAX_PACKET_SIZE 204 31 32#define NB_PID_MAX 8192 33#define MAX_SECTION_SIZE 4096 34 35/* pids */ 36#define PAT_PID 0x0000 37#define SDT_PID 0x0011 38 39/* table ids */ 40#define PAT_TID 0x00 41#define PMT_TID 0x02 42#define M4OD_TID 0x05 43#define SDT_TID 0x42 44 45#define STREAM_TYPE_VIDEO_MPEG1 0x01 46#define STREAM_TYPE_VIDEO_MPEG2 0x02 47#define STREAM_TYPE_AUDIO_MPEG1 0x03 48#define STREAM_TYPE_AUDIO_MPEG2 0x04 49#define STREAM_TYPE_PRIVATE_SECTION 0x05 50#define STREAM_TYPE_PRIVATE_DATA 0x06 51#define STREAM_TYPE_AUDIO_AAC 0x0f 52#define STREAM_TYPE_AUDIO_AAC_LATM 0x11 53#define STREAM_TYPE_VIDEO_MPEG4 0x10 54#define STREAM_TYPE_VIDEO_H264 0x1b 55#define STREAM_TYPE_VIDEO_VC1 0xea 56#define STREAM_TYPE_VIDEO_DIRAC 0xd1 57 58#define STREAM_TYPE_AUDIO_AC3 0x81 59#define STREAM_TYPE_AUDIO_DTS 0x8a 60 61typedef struct MpegTSContext MpegTSContext; 62 63MpegTSContext *ff_mpegts_parse_open(AVFormatContext *s); 64int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt, 65 const uint8_t *buf, int len); 66void ff_mpegts_parse_close(MpegTSContext *ts); 67 68typedef struct { 69 int use_au_start; 70 int use_au_end; 71 int use_rand_acc_pt; 72 int use_padding; 73 int use_timestamps; 74 int use_idle; 75 int timestamp_res; 76 int timestamp_len; 77 int ocr_len; 78 int au_len; 79 int inst_bitrate_len; 80 int degr_prior_len; 81 int au_seq_num_len; 82 int packet_seq_num_len; 83} SLConfigDescr; 84 85typedef struct { 86 int es_id; 87 int dec_config_descr_len; 88 uint8_t *dec_config_descr; 89 SLConfigDescr sl; 90} Mp4Descr; 91 92/** 93 * Parse an MPEG-2 descriptor 94 * @param[in] fc Format context (used for logging only) 95 * @param st Stream 96 * @param stream_type STREAM_TYPE_xxx 97 * @param pp Descriptor buffer pointer 98 * @param desc_list_end End of buffer 99 * @param mp4_dec_config_descr_len Length of 'mp4_dec_config_descr', or zero if not present 100 * @param mp4_es_id 101 * @param pid 102 * @param mp4_dec_config_descr 103 * @return <0 to stop processing 104 */ 105int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type, 106 const uint8_t **pp, const uint8_t *desc_list_end, 107 Mp4Descr *mp4_descr, int mp4_descr_count, int pid, 108 MpegTSContext *ts); 109 110#endif /* AVFORMAT_MPEGTS_H */ 111