233 lines
9.3 KiB
C
233 lines
9.3 KiB
C
/*
|
|
* MPEG-2 transport stream defines
|
|
* Copyright (c) 2003 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 AVFORMAT_MPEGTS_H
|
|
#define AVFORMAT_MPEGTS_H
|
|
|
|
#include "avformat.h"
|
|
|
|
#define TS_FEC_PACKET_SIZE 204
|
|
#define TS_DVHS_PACKET_SIZE 192
|
|
#define TS_PACKET_SIZE 188
|
|
#define TS_MAX_PACKET_SIZE 204
|
|
|
|
#define NB_PID_MAX 8192
|
|
#define USUAL_SECTION_SIZE 1024 /* except EIT which is limited to 4096 */
|
|
#define MAX_SECTION_SIZE 4096
|
|
|
|
/* pids */
|
|
#define PAT_PID 0x0000 /* Program Association Table */
|
|
#define CAT_PID 0x0001 /* Conditional Access Table */
|
|
#define TSDT_PID 0x0002 /* Transport Stream Description Table */
|
|
#define IPMP_PID 0x0003
|
|
/* PID from 0x0004 to 0x000F are reserved */
|
|
#define NIT_PID 0x0010 /* Network Information Table */
|
|
#define SDT_PID 0x0011 /* Service Description Table */
|
|
#define BAT_PID 0x0011 /* Bouquet Association Table */
|
|
#define EIT_PID 0x0012 /* Event Information Table */
|
|
#define RST_PID 0x0013 /* Running Status Table */
|
|
#define TDT_PID 0x0014 /* Time and Date Table */
|
|
#define TOT_PID 0x0014
|
|
#define NET_SYNC_PID 0x0015
|
|
#define RNT_PID 0x0016 /* RAR Notification Table */
|
|
/* PID from 0x0017 to 0x001B are reserved for future use */
|
|
/* PID value 0x001C allocated to link-local inband signalling shall not be
|
|
* used on any broadcast signals. It shall only be used between devices in a
|
|
* controlled environment. */
|
|
#define LINK_LOCAL_PID 0x001C
|
|
#define MEASUREMENT_PID 0x001D
|
|
#define DIT_PID 0x001E /* Discontinuity Information Table */
|
|
#define SIT_PID 0x001F /* Selection Information Table */
|
|
/* PID from 0x0020 to 0x1FFA may be assigned as needed to PMT, elementary
|
|
* streams and other data tables */
|
|
#define FIRST_OTHER_PID 0x0020
|
|
#define LAST_OTHER_PID 0x1FFA
|
|
/* PID 0x1FFB is used by DigiCipher 2/ATSC MGT metadata */
|
|
/* PID from 0x1FFC to 0x1FFE may be assigned as needed to PMT, elementary
|
|
* streams and other data tables */
|
|
#define NULL_PID 0x1FFF /* Null packet (used for fixed bandwidth padding) */
|
|
|
|
/* m2ts pids */
|
|
#define M2TS_PMT_PID 0x0100
|
|
#define M2TS_PCR_PID 0x1001
|
|
#define M2TS_VIDEO_PID 0x1011
|
|
#define M2TS_AUDIO_START_PID 0x1100
|
|
#define M2TS_PGSSUB_START_PID 0x1200
|
|
#define M2TS_TEXTSUB_PID 0x1800
|
|
#define M2TS_SECONDARY_AUDIO_START_PID 0x1A00
|
|
#define M2TS_SECONDARY_VIDEO_START_PID 0x1B00
|
|
|
|
/* table ids */
|
|
#define PAT_TID 0x00 /* Program Association section */
|
|
#define CAT_TID 0x01 /* Conditional Access section */
|
|
#define PMT_TID 0x02 /* Program Map section */
|
|
#define TSDT_TID 0x03 /* Transport Stream Description section */
|
|
/* TID from 0x04 to 0x3F are reserved */
|
|
#define M4OD_TID 0x05
|
|
#define NIT_TID 0x40 /* Network Information section - actual network */
|
|
#define ONIT_TID 0x41 /* Network Information section - other network */
|
|
#define SDT_TID 0x42 /* Service Description section - actual TS */
|
|
/* TID from 0x43 to 0x45 are reserved for future use */
|
|
#define OSDT_TID 0x46 /* Service Descrition section - other TS */
|
|
/* TID from 0x47 to 0x49 are reserved for future use */
|
|
#define BAT_TID 0x4A /* Bouquet Association section */
|
|
#define UNT_TID 0x4B /* Update Notification Table section */
|
|
#define DFI_TID 0x4C /* Downloadable Font Info section */
|
|
/* TID 0x4D is reserved for future use */
|
|
#define EIT_TID 0x4E /* Event Information section - actual TS */
|
|
#define OEIT_TID 0x4F /* Event Information section - other TS */
|
|
#define EITS_START_TID 0x50 /* Event Information section schedule - actual TS */
|
|
#define EITS_END_TID 0x5F /* Event Information section schedule - actual TS */
|
|
#define OEITS_START_TID 0x60 /* Event Information section schedule - other TS */
|
|
#define OEITS_END_TID 0x6F /* Event Information section schedule - other TS */
|
|
#define TDT_TID 0x70 /* Time Date section */
|
|
#define RST_TID 0x71 /* Running Status section */
|
|
#define ST_TID 0x72 /* Stuffing section */
|
|
#define TOT_TID 0x73 /* Time Offset section */
|
|
#define AIT_TID 0x74 /* Application Inforamtion section */
|
|
#define CT_TID 0x75 /* Container section */
|
|
#define RCT_TID 0x76 /* Related Content section */
|
|
#define CIT_TID 0x77 /* Content Identifier section */
|
|
#define MPE_FEC_TID 0x78 /* MPE-FEC section */
|
|
#define RPNT_TID 0x79 /* Resolution Provider Notification section */
|
|
#define MPE_IFEC_TID 0x7A /* MPE-IFEC section */
|
|
#define PROTMT_TID 0x7B /* Protection Message section */
|
|
/* TID from 0x7C to 0x7D are reserved for future use */
|
|
#define DIT_TID 0x7E /* Discontinuity Information section */
|
|
#define SIT_TID 0x7F /* Selection Information section */
|
|
/* TID from 0x80 to 0xFE are user defined */
|
|
/* TID 0xFF is reserved */
|
|
|
|
#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_AUDIO_AAC_LATM 0x11
|
|
#define STREAM_TYPE_VIDEO_MPEG4 0x10
|
|
#define STREAM_TYPE_METADATA 0x15
|
|
#define STREAM_TYPE_VIDEO_H264 0x1b
|
|
#define STREAM_TYPE_VIDEO_HEVC 0x24
|
|
#define STREAM_TYPE_VIDEO_CAVS 0x42
|
|
#define STREAM_TYPE_VIDEO_VC1 0xea
|
|
#define STREAM_TYPE_VIDEO_DIRAC 0xd1
|
|
|
|
#define STREAM_TYPE_AUDIO_AC3 0x81
|
|
#define STREAM_TYPE_AUDIO_DTS 0x82
|
|
#define STREAM_TYPE_AUDIO_TRUEHD 0x83
|
|
#define STREAM_TYPE_AUDIO_EAC3 0x87
|
|
|
|
/* ISO/IEC 13818-1 Table 2-22 */
|
|
#define STREAM_ID_PROGRAM_STREAM_MAP 0xbc
|
|
#define STREAM_ID_PRIVATE_STREAM_1 0xbd
|
|
#define STREAM_ID_PADDING_STREAM 0xbe
|
|
#define STREAM_ID_PRIVATE_STREAM_2 0xbf
|
|
#define STREAM_ID_AUDIO_STREAM_0 0xc0
|
|
#define STREAM_ID_VIDEO_STREAM_0 0xe0
|
|
#define STREAM_ID_ECM_STREAM 0xf0
|
|
#define STREAM_ID_EMM_STREAM 0xf1
|
|
#define STREAM_ID_DSMCC_STREAM 0xf2
|
|
#define STREAM_ID_TYPE_E_STREAM 0xf8
|
|
#define STREAM_ID_METADATA_STREAM 0xfc
|
|
#define STREAM_ID_EXTENDED_STREAM_ID 0xfd
|
|
#define STREAM_ID_PROGRAM_STREAM_DIRECTORY 0xff
|
|
|
|
/* ISO/IEC 13818-1 Table 2-45 */
|
|
#define VIDEO_STREAM_DESCRIPTOR 0x02
|
|
#define REGISTRATION_DESCRIPTOR 0x05
|
|
#define ISO_639_LANGUAGE_DESCRIPTOR 0x0a
|
|
#define IOD_DESCRIPTOR 0x1d
|
|
#define SL_DESCRIPTOR 0x1e
|
|
#define FMC_DESCRIPTOR 0x1f
|
|
#define METADATA_DESCRIPTOR 0x26
|
|
#define METADATA_STD_DESCRIPTOR 0x27
|
|
|
|
typedef struct MpegTSContext MpegTSContext;
|
|
|
|
MpegTSContext *avpriv_mpegts_parse_open(AVFormatContext *s);
|
|
int avpriv_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
|
|
const uint8_t *buf, int len);
|
|
void avpriv_mpegts_parse_close(MpegTSContext *ts);
|
|
|
|
typedef struct SLConfigDescr {
|
|
int use_au_start;
|
|
int use_au_end;
|
|
int use_rand_acc_pt;
|
|
int use_padding;
|
|
int use_timestamps;
|
|
int use_idle;
|
|
int timestamp_res;
|
|
int timestamp_len;
|
|
int ocr_len;
|
|
int au_len;
|
|
int inst_bitrate_len;
|
|
int degr_prior_len;
|
|
int au_seq_num_len;
|
|
int packet_seq_num_len;
|
|
} SLConfigDescr;
|
|
|
|
typedef struct Mp4Descr {
|
|
int es_id;
|
|
int dec_config_descr_len;
|
|
uint8_t *dec_config_descr;
|
|
SLConfigDescr sl;
|
|
} Mp4Descr;
|
|
|
|
/*
|
|
* ETSI 300 468 descriptor 0x6A(AC-3)
|
|
* Refer to: ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
|
|
*/
|
|
typedef struct DVBAC3Descriptor {
|
|
uint8_t component_type_flag;
|
|
uint8_t bsid_flag;
|
|
uint8_t mainid_flag;
|
|
uint8_t asvc_flag;
|
|
uint8_t reserved_flags;
|
|
uint8_t component_type;
|
|
uint8_t bsid;
|
|
uint8_t mainid;
|
|
uint8_t asvc;
|
|
} DVBAC3Descriptor;
|
|
|
|
/**
|
|
* Parse an MPEG-2 descriptor
|
|
* @param[in] fc Format context (used for logging only)
|
|
* @param st Stream
|
|
* @param stream_type STREAM_TYPE_xxx
|
|
* @param pp Descriptor buffer pointer
|
|
* @param desc_list_end End of buffer
|
|
* @return <0 to stop processing
|
|
*/
|
|
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);
|
|
|
|
/**
|
|
* Check presence of H264 startcode
|
|
* @return <0 to stop processing
|
|
*/
|
|
int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt);
|
|
|
|
#endif /* AVFORMAT_MPEGTS_H */
|