/* * 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_VVC 0x33 #define STREAM_TYPE_VIDEO_CAVS 0x42 #define STREAM_TYPE_VIDEO_AVS2 0xd2 #define STREAM_TYPE_VIDEO_AVS3 0xd4 #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 */