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235 lines
9.4 KiB
235 lines
9.4 KiB
/* |
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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_VVC 0x33 |
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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 */
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