FFmpeg
libavformat
mpegts.h
Go to the documentation of this file.
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/*
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* MPEG-2 transport stream defines
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_MPEGTS_H
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#define AVFORMAT_MPEGTS_H
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#include "
avformat.h
"
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#define TS_FEC_PACKET_SIZE 204
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#define TS_DVHS_PACKET_SIZE 192
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#define TS_PACKET_SIZE 188
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#define TS_MAX_PACKET_SIZE 204
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#define NB_PID_MAX 8192
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#define USUAL_SECTION_SIZE 1024
/* except EIT which is limited to 4096 */
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#define MAX_SECTION_SIZE 4096
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/* pids */
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#define PAT_PID 0x0000
/* Program Association Table */
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#define CAT_PID 0x0001
/* Conditional Access Table */
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#define TSDT_PID 0x0002
/* Transport Stream Description Table */
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#define IPMP_PID 0x0003
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/* PID from 0x0004 to 0x000F are reserved */
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#define NIT_PID 0x0010
/* Network Information Table */
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#define SDT_PID 0x0011
/* Service Description Table */
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#define BAT_PID 0x0011
/* Bouquet Association Table */
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#define EIT_PID 0x0012
/* Event Information Table */
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#define RST_PID 0x0013
/* Running Status Table */
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#define TDT_PID 0x0014
/* Time and Date Table */
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#define TOT_PID 0x0014
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#define NET_SYNC_PID 0x0015
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#define RNT_PID 0x0016
/* RAR Notification Table */
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/* PID from 0x0017 to 0x001B are reserved for future use */
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/* PID value 0x001C allocated to link-local inband signalling shall not be
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* used on any broadcast signals. It shall only be used between devices in a
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* controlled environment. */
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#define LINK_LOCAL_PID 0x001C
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#define MEASUREMENT_PID 0x001D
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#define DIT_PID 0x001E
/* Discontinuity Information Table */
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#define SIT_PID 0x001F
/* Selection Information Table */
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/* PID from 0x0020 to 0x1FFA may be assigned as needed to PMT, elementary
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* streams and other data tables */
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#define FIRST_OTHER_PID 0x0020
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#define LAST_OTHER_PID 0x1FFA
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/* PID 0x1FFB is used by DigiCipher 2/ATSC MGT metadata */
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/* PID from 0x1FFC to 0x1FFE may be assigned as needed to PMT, elementary
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* streams and other data tables */
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#define NULL_PID 0x1FFF
/* Null packet (used for fixed bandwidth padding) */
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/* m2ts pids */
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#define M2TS_PMT_PID 0x0100
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#define M2TS_PCR_PID 0x1001
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#define M2TS_VIDEO_PID 0x1011
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#define M2TS_AUDIO_START_PID 0x1100
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#define M2TS_PGSSUB_START_PID 0x1200
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#define M2TS_TEXTSUB_PID 0x1800
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#define M2TS_SECONDARY_AUDIO_START_PID 0x1A00
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#define M2TS_SECONDARY_VIDEO_START_PID 0x1B00
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/* table ids */
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#define PAT_TID 0x00
/* Program Association section */
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#define CAT_TID 0x01
/* Conditional Access section */
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#define PMT_TID 0x02
/* Program Map section */
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#define TSDT_TID 0x03
/* Transport Stream Description section */
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/* TID from 0x04 to 0x3F are reserved */
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#define M4OD_TID 0x05
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#define NIT_TID 0x40
/* Network Information section - actual network */
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#define ONIT_TID 0x41
/* Network Information section - other network */
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#define SDT_TID 0x42
/* Service Description section - actual TS */
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/* TID from 0x43 to 0x45 are reserved for future use */
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#define OSDT_TID 0x46
/* Service Descrition section - other TS */
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/* TID from 0x47 to 0x49 are reserved for future use */
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#define BAT_TID 0x4A
/* Bouquet Association section */
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#define UNT_TID 0x4B
/* Update Notification Table section */
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#define DFI_TID 0x4C
/* Downloadable Font Info section */
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/* TID 0x4D is reserved for future use */
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#define EIT_TID 0x4E
/* Event Information section - actual TS */
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#define OEIT_TID 0x4F
/* Event Information section - other TS */
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#define EITS_START_TID 0x50
/* Event Information section schedule - actual TS */
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#define EITS_END_TID 0x5F
/* Event Information section schedule - actual TS */
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#define OEITS_START_TID 0x60
/* Event Information section schedule - other TS */
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#define OEITS_END_TID 0x6F
/* Event Information section schedule - other TS */
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#define TDT_TID 0x70
/* Time Date section */
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#define RST_TID 0x71
/* Running Status section */
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#define ST_TID 0x72
/* Stuffing section */
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#define TOT_TID 0x73
/* Time Offset section */
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#define AIT_TID 0x74
/* Application Inforamtion section */
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#define CT_TID 0x75
/* Container section */
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#define RCT_TID 0x76
/* Related Content section */
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#define CIT_TID 0x77
/* Content Identifier section */
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#define MPE_FEC_TID 0x78
/* MPE-FEC section */
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#define RPNT_TID 0x79
/* Resolution Provider Notification section */
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#define MPE_IFEC_TID 0x7A
/* MPE-IFEC section */
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#define PROTMT_TID 0x7B
/* Protection Message section */
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/* TID from 0x7C to 0x7D are reserved for future use */
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#define DIT_TID 0x7E
/* Discontinuity Information section */
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#define SIT_TID 0x7F
/* Selection Information section */
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/* TID from 0x80 to 0xFE are user defined */
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/* TID 0xFF is reserved */
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#define STREAM_TYPE_VIDEO_MPEG1 0x01
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#define STREAM_TYPE_VIDEO_MPEG2 0x02
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#define STREAM_TYPE_AUDIO_MPEG1 0x03
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#define STREAM_TYPE_AUDIO_MPEG2 0x04
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#define STREAM_TYPE_PRIVATE_SECTION 0x05
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#define STREAM_TYPE_PRIVATE_DATA 0x06
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#define STREAM_TYPE_AUDIO_AAC 0x0f
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#define STREAM_TYPE_AUDIO_AAC_LATM 0x11
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#define STREAM_TYPE_VIDEO_MPEG4 0x10
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#define STREAM_TYPE_METADATA 0x15
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#define STREAM_TYPE_VIDEO_H264 0x1b
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#define STREAM_TYPE_VIDEO_HEVC 0x24
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#define STREAM_TYPE_VIDEO_CAVS 0x42
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#define STREAM_TYPE_VIDEO_AVS2 0xd2
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#define STREAM_TYPE_VIDEO_AVS3 0xd4
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#define STREAM_TYPE_VIDEO_VC1 0xea
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#define STREAM_TYPE_VIDEO_DIRAC 0xd1
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#define STREAM_TYPE_AUDIO_AC3 0x81
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#define STREAM_TYPE_AUDIO_DTS 0x82
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#define STREAM_TYPE_AUDIO_TRUEHD 0x83
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#define STREAM_TYPE_AUDIO_EAC3 0x87
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/* ISO/IEC 13818-1 Table 2-22 */
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#define STREAM_ID_PROGRAM_STREAM_MAP 0xbc
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#define STREAM_ID_PRIVATE_STREAM_1 0xbd
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#define STREAM_ID_PADDING_STREAM 0xbe
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#define STREAM_ID_PRIVATE_STREAM_2 0xbf
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#define STREAM_ID_AUDIO_STREAM_0 0xc0
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#define STREAM_ID_VIDEO_STREAM_0 0xe0
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#define STREAM_ID_ECM_STREAM 0xf0
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#define STREAM_ID_EMM_STREAM 0xf1
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#define STREAM_ID_DSMCC_STREAM 0xf2
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#define STREAM_ID_TYPE_E_STREAM 0xf8
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#define STREAM_ID_METADATA_STREAM 0xfc
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#define STREAM_ID_EXTENDED_STREAM_ID 0xfd
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#define STREAM_ID_PROGRAM_STREAM_DIRECTORY 0xff
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/* ISO/IEC 13818-1 Table 2-45 */
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#define VIDEO_STREAM_DESCRIPTOR 0x02
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#define REGISTRATION_DESCRIPTOR 0x05
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#define ISO_639_LANGUAGE_DESCRIPTOR 0x0a
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#define IOD_DESCRIPTOR 0x1d
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#define SL_DESCRIPTOR 0x1e
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#define FMC_DESCRIPTOR 0x1f
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#define METADATA_DESCRIPTOR 0x26
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#define METADATA_STD_DESCRIPTOR 0x27
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typedef
struct
MpegTSContext
MpegTSContext
;
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MpegTSContext
*
avpriv_mpegts_parse_open
(
AVFormatContext
*
s
);
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int
avpriv_mpegts_parse_packet
(
MpegTSContext
*ts,
AVPacket
*
pkt
,
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const
uint8_t *buf,
int
len
);
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void
avpriv_mpegts_parse_close
(
MpegTSContext
*ts);
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typedef
struct
SLConfigDescr
{
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int
use_au_start
;
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int
use_au_end
;
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int
use_rand_acc_pt
;
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int
use_padding
;
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int
use_timestamps
;
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int
use_idle
;
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int
timestamp_res
;
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int
timestamp_len
;
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int
ocr_len
;
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int
au_len
;
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int
inst_bitrate_len
;
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int
degr_prior_len
;
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int
au_seq_num_len
;
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int
packet_seq_num_len
;
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}
SLConfigDescr
;
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typedef
struct
Mp4Descr
{
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int
es_id
;
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int
dec_config_descr_len
;
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uint8_t *
dec_config_descr
;
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SLConfigDescr
sl
;
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}
Mp4Descr
;
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/*
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* ETSI 300 468 descriptor 0x6A(AC-3)
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* Refer to: ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
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*/
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typedef
struct
DVBAC3Descriptor
{
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uint8_t
component_type_flag
;
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uint8_t
bsid_flag
;
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uint8_t
mainid_flag
;
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uint8_t
asvc_flag
;
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uint8_t
reserved_flags
;
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uint8_t
component_type
;
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uint8_t
bsid
;
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uint8_t
mainid
;
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uint8_t
asvc
;
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}
DVBAC3Descriptor
;
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/**
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* Parse an MPEG-2 descriptor
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* @param[in] fc Format context (used for logging only)
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* @param st Stream
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* @param stream_type STREAM_TYPE_xxx
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* @param pp Descriptor buffer pointer
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* @param desc_list_end End of buffer
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* @return <0 to stop processing
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*/
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int
ff_parse_mpeg2_descriptor
(
AVFormatContext
*
fc
,
AVStream
*st,
int
stream_type,
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const
uint8_t **pp,
const
uint8_t *desc_list_end,
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Mp4Descr
*mp4_descr,
int
mp4_descr_count,
int
pid,
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MpegTSContext
*ts);
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/**
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* Check presence of H264 startcode
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* @return <0 to stop processing
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*/
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int
ff_check_h264_startcode
(
AVFormatContext
*
s
,
const
AVStream
*st,
const
AVPacket
*
pkt
);
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#endif
/* AVFORMAT_MPEGTS_H */
SLConfigDescr::au_seq_num_len
int au_seq_num_len
Definition:
mpegts.h:187
DVBAC3Descriptor::component_type
uint8_t component_type
Definition:
mpegts.h:208
fc
#define fc(width, name, range_min, range_max)
Definition:
cbs_av1.c:551
DVBAC3Descriptor::reserved_flags
uint8_t reserved_flags
Definition:
mpegts.h:207
SLConfigDescr::use_idle
int use_idle
Definition:
mpegts.h:180
SLConfigDescr::inst_bitrate_len
int inst_bitrate_len
Definition:
mpegts.h:185
avpriv_mpegts_parse_open
MpegTSContext * avpriv_mpegts_parse_open(AVFormatContext *s)
Definition:
mpegts.c:3375
SLConfigDescr::use_padding
int use_padding
Definition:
mpegts.h:178
DVBAC3Descriptor::asvc_flag
uint8_t asvc_flag
Definition:
mpegts.h:206
SLConfigDescr::use_rand_acc_pt
int use_rand_acc_pt
Definition:
mpegts.h:177
SLConfigDescr::timestamp_len
int timestamp_len
Definition:
mpegts.h:182
avpriv_mpegts_parse_packet
int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt, const uint8_t *buf, int len)
Definition:
mpegts.c:3397
pkt
AVPacket * pkt
Definition:
movenc.c:59
Mp4Descr::sl
SLConfigDescr sl
Definition:
mpegts.h:195
s
#define s(width, name)
Definition:
cbs_vp9.c:256
SLConfigDescr::degr_prior_len
int degr_prior_len
Definition:
mpegts.h:186
DVBAC3Descriptor::component_type_flag
uint8_t component_type_flag
Definition:
mpegts.h:203
AVFormatContext
Format I/O context.
Definition:
avformat.h:1104
Mp4Descr::es_id
int es_id
Definition:
mpegts.h:192
Mp4Descr::dec_config_descr_len
int dec_config_descr_len
Definition:
mpegts.h:193
SLConfigDescr::ocr_len
int ocr_len
Definition:
mpegts.h:183
SLConfigDescr::packet_seq_num_len
int packet_seq_num_len
Definition:
mpegts.h:188
SLConfigDescr::use_au_start
int use_au_start
Definition:
mpegts.h:175
avpriv_mpegts_parse_close
void avpriv_mpegts_parse_close(MpegTSContext *ts)
Definition:
mpegts.c:3422
DVBAC3Descriptor::bsid_flag
uint8_t bsid_flag
Definition:
mpegts.h:204
MpegTSContext
Definition:
mpegts.c:130
SLConfigDescr::use_au_end
int use_au_end
Definition:
mpegts.h:176
len
int len
Definition:
vorbis_enc_data.h:426
DVBAC3Descriptor::asvc
uint8_t asvc
Definition:
mpegts.h:211
SLConfigDescr::au_len
int au_len
Definition:
mpegts.h:184
ff_check_h264_startcode
int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt)
Check presence of H264 startcode.
Definition:
mpegtsenc.c:1756
AVStream
Stream structure.
Definition:
avformat.h:838
Mp4Descr::dec_config_descr
uint8_t * dec_config_descr
Definition:
mpegts.h:194
SLConfigDescr::use_timestamps
int use_timestamps
Definition:
mpegts.h:179
avformat.h
DVBAC3Descriptor
Definition:
mpegts.h:202
SLConfigDescr::timestamp_res
int timestamp_res
Definition:
mpegts.h:181
DVBAC3Descriptor::mainid
uint8_t mainid
Definition:
mpegts.h:210
DVBAC3Descriptor::bsid
uint8_t bsid
Definition:
mpegts.h:209
AVPacket
This structure stores compressed data.
Definition:
packet.h:351
ff_parse_mpeg2_descriptor
int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type, const uint8_t **pp, const uint8_t *desc_list_end, Mp4Descr *mp4_descr, int mp4_descr_count, int pid, MpegTSContext *ts)
Parse an MPEG-2 descriptor.
Definition:
mpegts.c:1810
Mp4Descr
Definition:
mpegts.h:191
SLConfigDescr
Definition:
mpegts.h:174
DVBAC3Descriptor::mainid_flag
uint8_t mainid_flag
Definition:
mpegts.h:205
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