187 lines
9.1 KiB
C
187 lines
9.1 KiB
C
#ifndef _mpeg_ts_proto_h_
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#define _mpeg_ts_proto_h_
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#include "mpeg-types.h"
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#include "mpeg-pes-proto.h"
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#define TS_PACKET_SIZE 188
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#define TS_SYNC_BYTE 0x47
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struct ts_adaptation_field_t {
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unsigned int adaptation_field_length : 8;
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unsigned int discontinuity_indicator : 1;
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unsigned int random_access_indicator : 1;
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unsigned int elementary_stream_priority_indicator : 1;
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unsigned int PCR_flag : 1;
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unsigned int OPCR_flag : 1;
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unsigned int splicing_point_flag : 1;
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unsigned int transport_private_data_flag : 1;
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unsigned int adaptation_field_extension_flag : 1;
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int64_t program_clock_reference_base; // 33-bits
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unsigned int program_clock_reference_extension; // 9-bits
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int64_t original_program_clock_reference_base; // 33-bits
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unsigned int original_program_clock_reference_extension; // 9-bits
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unsigned int splice_countdown : 8;
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unsigned int transport_private_data_length : 8;
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unsigned int adaptation_field_extension_length : 8;
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unsigned int ltw_flag : 1;
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unsigned int piecewise_rate_flag : 1;
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unsigned int seamless_splice_flag : 1;
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unsigned int ltw_valid_flag : 1;
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unsigned int ltw_offset : 15;
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unsigned int piecewise_rate : 22;
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unsigned int Splice_type : 4;
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int64_t DTS_next_AU;
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};
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struct ts_packet_header_t {
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unsigned int transport_error_indicator : 1;
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unsigned int payload_unit_start_indicator : 1;
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unsigned int transport_priority : 1;
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unsigned int transport_scrambling_control : 2;
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unsigned int adaptation_field_control : 2;
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unsigned int continuity_counter : 4;
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struct ts_adaptation_field_t adaptation;
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};
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struct pmt_t {
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unsigned int pid; // PID : 13 [0x0010, 0x1FFE]
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unsigned int pn; // program_number: 16 [1, 0xFFFF]
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unsigned int ver; // version_number : 5
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unsigned int cc; // continuity_counter : 4
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unsigned int PCR_PID; // 13-bits
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unsigned int pminfo_len;// program_info_length : 12
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uint8_t *pminfo; // program_info;
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char provider[64];
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char name[64];
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unsigned int stream_count;
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struct pes_t streams[4];
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};
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struct pat_t {
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unsigned int tsid; // transport_stream_id : 16;
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unsigned int ver; // version_number : 5;
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unsigned int cc; //continuity_counter : 4;
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unsigned int pmt_count;
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struct pmt_t pmts[4];
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};
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// Table 2-3 – PID table(p36)
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enum ETS_PID {
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TS_PID_PAT = 0x00, // program association table
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TS_PID_CAT = 0x01, // conditional access table
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TS_PID_TSDT = 0x02, // transport stream description table
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TS_PID_IPMP = 0x03, // IPMP control information table
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// 0x0004-0x000F Reserved
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// 0x0010-0x1FFE May be assigned as network_PID, Program_map_PID, elementary_PID, or for other purposes
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TS_PID_SDT = 0x11, // https://en.wikipedia.org/wiki/Service_Description_Table / https://en.wikipedia.org/wiki/MPEG_transport_stream
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TS_PID_USER = 0x0042,
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TS_PID_NULL = 0x1FFF, // Null packet
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};
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// 2.4.4.4 Table_id assignments
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// Table 2-31 – table_id assignment values(p66/p39)
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enum EPAT_TID {
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PAT_TID_PAS = 0x00, // program_association_section
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PAT_TID_CAS = 0x01, // conditional_access_section(CA_section)
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PAT_TID_PMS = 0x02, // TS_program_map_section
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PAT_TID_SDS = 0x03, // TS_description_section
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PAT_TID_MPEG4_scene = 0x04, // ISO_IEC_14496_scene_description_section
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PAT_TID_MPEG4_object = 0x05, // ISO_IEC_14496_object_descriptor_section
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PAT_TID_META = 0x06, // Metadata_section
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PAT_TID_IPMP = 0x07, // IPMP_Control_Information_section(defined in ISO/IEC 13818-11)
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PAT_TID_H222 = 0x08, // Rec. ITU-T H.222.0 | ISO/IEC 13818-1 reserved
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PAT_TID_USER = 0x40, // User private
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PAT_TID_SDT = 0x42, // service_description_section
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PAT_TID_Forbidden = 0xFF,
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};
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// ISO/IEC 13818-1:2015 (E)
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// 2.4.4.9 Semantic definition of fields in transport stream program map section
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// Table 2-34 – Stream type assignments(p69)
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enum EPSI_STREAM_TYPE {
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PSI_STREAM_RESERVED = 0x00, // ITU-T | ISO/IEC Reserved
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PSI_STREAM_MPEG1 = 0x01, // ISO/IEC 11172-2 Video
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PSI_STREAM_MPEG2 = 0x02, // Rec. ITU-T H.262 | ISO/IEC 13818-2 Video or ISO/IEC 11172-2 constrained parameter video stream(see Note 2)
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PSI_STREAM_AUDIO_MPEG1 = 0x03, // ISO/IEC 11172-3 Audio
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PSI_STREAM_MP3 = 0x04, // ISO/IEC 13818-3 Audio
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PSI_STREAM_PRIVATE_SECTION = 0x05, // Rec. ITU-T H.222.0 | ISO/IEC 13818-1 private_sections
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PSI_STREAM_PRIVATE_DATA = 0x06, // Rec. ITU-T H.222.0 | ISO/IEC 13818-1 PES packets containing private data
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PSI_STREAM_MHEG = 0x07, // ISO/IEC 13522 MHEG
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PSI_STREAM_DSMCC = 0x08, // Rec. ITU-T H.222.0 | ISO/IEC 13818-1 Annex A DSM-CC
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PSI_STREAM_H222_ATM = 0x09, // Rec. ITU-T H.222.1
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PSI_STREAM_DSMCC_A = 0x0a, // ISO/IEC 13818-6(Extensions for DSM-CC) type A
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PSI_STREAM_DSMCC_B = 0x0b, // ISO/IEC 13818-6(Extensions for DSM-CC) type B
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PSI_STREAM_DSMCC_C = 0x0c, // ISO/IEC 13818-6(Extensions for DSM-CC) type C
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PSI_STREAM_DSMCC_D = 0x0d, // ISO/IEC 13818-6(Extensions for DSM-CC) type D
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PSI_STREAM_H222_Aux = 0x0e, // Rec. ITU-T H.222.0 | ISO/IEC 13818-1 auxiliary
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PSI_STREAM_AAC = 0x0f, // ISO/IEC 13818-7 Audio with ADTS transport syntax
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PSI_STREAM_MPEG4 = 0x10, // ISO/IEC 14496-2 Visual
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PSI_STREAM_MPEG4_AAC_LATM = 0x11, // ISO/IEC 14496-3 Audio with the LATM transport syntax as defined in ISO/IEC 14496-3
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PSI_STREAM_MPEG4_PES = 0x12, // ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in PES packets
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PSI_STREAM_MPEG4_SECTIONS = 0x13, // ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried in ISO/IEC 14496_sections
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PSI_STREAM_MPEG2_SDP = 0x14, // ISO/IEC 13818-6 Synchronized Download Protocol
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PSI_STREAM_PES_META = 0x15, // Metadata carried in PES packets
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PSI_STREAM_SECTION_META = 0x16, // Metadata carried in metadata_sections
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PSI_STREAM_DSMCC_DATA = 0x17, // Metadata carried in ISO/IEC 13818-6 Data Carousel
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PSI_STREAM_DSMCC_OBJECT = 0x18, // Metadata carried in ISO/IEC 13818-6 Object Carousel
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PSI_STREAM_DSMCC_SDP = 0x19, // Metadata carried in ISO/IEC 13818-6 Synchronized Download Protocol
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PSI_STREAM_MPEG2_IPMP = 0x1a, // IPMP stream (defined in ISO/IEC 13818-11, MPEG-2 IPMP)
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PSI_STREAM_H264 = 0x1b, // H.264
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PSI_STREAM_MPEG4_AAC = 0x1c, // ISO/IEC 14496-3 Audio, without using any additional transport syntax, such as DST, ALS and SLS
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PSI_STREAM_MPEG4_TEXT = 0x1d, // ISO/IEC 14496-17 Text
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PSI_STREAM_AUX_VIDEO = 0x1e, // Auxiliary video stream as defined in ISO/IEC 23002-3
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PSI_STREAM_H264_SVC = 0x1f, // SVC video sub-bitstream of an AVC video stream conforming to one or more profiles defined in Annex G of Rec. ITU-T H.264 | ISO/IEC 14496-10
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PSI_STREAM_H264_MVC = 0x20, // MVC video sub-bitstream of an AVC video stream conforming to one or more profiles defined in Annex H of Rec. ITU-T H.264 | ISO/IEC 14496-10
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PSI_STREAM_JPEG_2000 = 0x21, // Video stream conforming to one or more profiles as defined in Rec. ITU-T T.800 | ISO/IEC 15444-1
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PSI_STREAM_MPEG2_3D = 0x22, // Additional view Rec. ITU-T H.262 | ISO/IEC 13818-2 video stream for service-compatible stereoscopic 3D services
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PSI_STREAM_MPEG4_3D = 0x23, // Additional view Rec. ITU-T H.264 | ISO/IEC 14496-10 video stream conforming to one or more profiles defined in Annex A for service-compatible stereoscopic 3D services
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PSI_STREAM_H265 = 0x24, // Rec. ITU-T H.265 | ISO/IEC 23008-2 video stream or an HEVC temporal video sub-bitstream
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PSI_STREAM_H265_subset = 0x25, // HEVC temporal video subset of an HEVC video stream conforming to one or more profiles defined in Annex A of Rec. ITU-T H.265 | ISO/IEC 23008-2
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PSI_STREAM_H264_MVCD = 0x26, // MVCD video sub-bitstream of an AVC video stream conforming to one or more profiles defined in Annex I of Rec. ITU-T H.264 | ISO/IEC 14496-10
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// 0x27-0x7E Rec. ITU-T H.222.0 | ISO/IEC 13818-1 Reserved
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PSI_STREAM_IPMP = 0x7F, // IPMP stream
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// 0x80-0xFF User Private
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PSI_STREAM_VIDEO_CAVS = 0x42, // ffmpeg/libavformat/mpegts.h
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PSI_STREAM_AUDIO_AC3 = 0x81, // ffmpeg/libavformat/mpegts.h
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PSI_STREAM_AUDIO_EAC3 = 0x87, // ffmpeg/libavformat/mpegts.h
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PSI_STREAM_AUDIO_DTS = 0x8a, // ffmpeg/libavformat/mpegts.h
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PSI_STREAM_VIDEO_DIRAC = 0xd1, // ffmpeg/libavformat/mpegts.h
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PSI_STREAM_VIDEO_VC1 = 0xea, // ffmpeg/libavformat/mpegts.h
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PSI_STREAM_VIDEO_SVAC = 0x80, // GBT 25724-2010 SVAC(2014)
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PSI_STREAM_AUDIO_SVAC = 0x9B, // GBT 25724-2010 SVAC(2014)
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PSI_STREAM_AUDIO_G711A = 0x90,
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PSI_STREAM_AUDIO_G711U = 0x91,
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PSI_STREAM_AUDIO_G722 = 0x92,
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PSI_STREAM_AUDIO_G723 = 0x93,
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PSI_STREAM_AUDIO_G729 = 0x99,
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};
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enum {
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MPEG_FLAG_IDR_FRAME = 0x0001,
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MPEG_FLAG_H264_H265_WITH_AUD = 0x8000,
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};
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struct pmt_t *pat_find(struct pat_t *pat, uint16_t pn);
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size_t pat_read(struct pat_t *pat, const uint8_t *data, size_t bytes);
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size_t pat_write(const struct pat_t *pat, uint8_t *data);
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size_t pmt_read(struct pmt_t *pmt, const uint8_t *data, size_t bytes);
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size_t pmt_write(const struct pmt_t *pmt, uint8_t *data);
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size_t sdt_read(struct pat_t *pat, const uint8_t *data, size_t bytes);
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#endif /* !_mpeg_ts_proto_h_ */
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