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- Committer: Package Import Robot
- Author(s): Alessio Treglia
- Date: 2012-04-04 09:42:43 UTC
- Revision ID: package-import@ubuntu.com-20120404094243-qsc40h18oolnxw5r
Tags: upstream-7.0
Import upstream version 7.0
- files added:
- libfuncs
- libtsfuncs
added
removed
libtsfuncs/tsdata.h
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/*
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* Data defintions
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* Copyright (C) 2010-2011 Unix Solutions Ltd.
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*
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* Released under MIT license.
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* See LICENSE-MIT.txt for license terms.
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*/
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#ifndef LIBTS_TSDATA_H
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#define LIBTS_TSDATA_H
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#include <netdb.h>
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#include <time.h>
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#ifndef FREE
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#define FREE(x) if(x) { free(x); x=NULL; }
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#endif
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#define TS_PACKET_SIZE 188
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#define TS_MAX_PAYLOAD_SIZE (TS_PACKET_SIZE-4)
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struct ts_header {
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uint8_t sync_byte; // Always 0x47
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uint16_t tei : 1, // Transport Error Indicator (TEI)
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pusi : 1, // Payload Unit Start Indicator
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prio : 1, // Transport Priority
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pid : 13; // PID
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uint8_t scramble : 2, // 00 - not scrambled, 01 - reserved, 10 - scrambled with even key, 11 - scrambled with odd key
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adapt_field : 1,
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payload_field : 1,
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continuity : 4;
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// The variables bellow this line depends may not exist in a packet
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uint8_t adapt_len; // adaptation field length
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uint8_t adapt_flags; // adaptation field flags
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uint8_t payload_size; // Payload size inside the packet
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uint8_t payload_offset; // Payload offset inside the packet
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};
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struct ts_section_header {
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uint8_t pointer_field;
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uint8_t table_id;
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uint16_t section_syntax_indicator: 1, // Section Syntax Indicator
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private_indicator : 1, // Private section indicator
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reserved1 : 2, // 2 reserved bits
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section_length : 12; // Section lenth
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uint16_t ts_id_number; // Transport stream id (in PAT), Program number (in PMT)
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uint8_t reserved2 : 2,
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version_number : 5,
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current_next_indicator : 1;
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uint8_t section_number;
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uint8_t last_section_number;
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// The variables bellow this line are not in the physical packet
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int section_pos; // Up to this pos the section data has come
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int initialized; // Set to 1 when whole sectino is initialized
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int section_data_len; // Full section length (3 + section_length)
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uint8_t *section_data; // The whole section data
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uint8_t *packet_data; // TS packet(s) that were used to transfer the table.
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int num_packets; // From how much packets this section is build
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int data_len; // Data size without the CRC32 (4 bytes)
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uint8_t *data; // Offset into section_data (where the section data start without the section header)
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uint32_t CRC;
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};
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struct ts_pat_program {
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uint16_t program;
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uint16_t reserved:3,
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pid:13;
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};
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struct ts_pat {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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struct ts_pat_program **programs;
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// The variables bellow are nor part of the physical packet
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int programs_max; // How much programs are allocated
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int programs_num; // How much programs are initialized
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uint8_t initialized; // Set to 1 when full table is initialized
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};
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enum CA_system {
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CA_SECA, // 0x0100 - 0x01FF Canal Plus (SECA/Mediaguard)
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CA_VIACCESS, // 0x0500 - 0x05FF France Telecom
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CA_IRDETO, // 0x0600 - 0x06FF Irdeto
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CA_VIDEOGUARD, // 0x0900 - 0x09FF News Datacom (NDS/Videoguard)
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CA_CONAX, // 0x0B00 - 0x0BFF Norwegian Telekom
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CA_CRYPTOWORKS, // 0x0D00 - 0x0DFF CrytoWorks
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CA_NAGRA, // 0x1800 - 0x18FF Kudelski SA (Nagravision)
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CA_DRECRYPT, // 0x4AE0 - 0x4AE1 OOO Cifra (DRE-Crypt)
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CA_UNKNOWN,
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};
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struct ts_cat {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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int program_info_size;
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uint8_t *program_info;
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// The variables bellow are nor part of the physical packet
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uint8_t initialized; // Set to 1 when full table is initialized
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};
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struct ts_pmt_stream {
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uint8_t stream_type;
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uint16_t reserved1 : 3,
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pid : 13;
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uint16_t reserved2 : 4,
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ES_info_size : 12;
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uint8_t *ES_info;
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};
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struct ts_pmt {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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uint16_t reserved1 : 3,
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PCR_pid : 13;
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uint16_t reserved2 : 4,
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program_info_size : 12;
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uint8_t *program_info;
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struct ts_pmt_stream **streams;
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// The variables bellow are nor part of the physical packet
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int streams_max; // How much streams are allocated
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int streams_num; // How much streams are initialized
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uint8_t initialized; // Set to 1 when full table is initialized
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};
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struct ts_sdt_stream {
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uint16_t service_id;
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uint8_t reserved1 : 6,
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EIT_schedule_flag : 1,
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EIT_present_following_flag : 1;
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uint16_t running_status : 3,
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free_CA_mode : 1,
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descriptor_size : 12;
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uint8_t *descriptor_data;
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};
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struct ts_sdt {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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uint16_t original_network_id;
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uint8_t reserved;
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struct ts_sdt_stream **streams;
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// The variables bellow are nor part of the physical packet
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int streams_max; // How much streams are allocated
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int streams_num; // How much streams are initialized
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uint8_t initialized; // Set to 1 when full table is initialized
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};
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struct ts_nit_stream {
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uint16_t transport_stream_id;
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uint16_t original_network_id;
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uint16_t reserved1 : 4,
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descriptor_size : 12;
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uint8_t *descriptor_data;
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};
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struct ts_nit {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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uint16_t reserved1 : 4,
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network_info_size : 12;
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uint8_t *network_info;
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uint16_t reserved2 : 4,
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ts_loop_size : 12;
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struct ts_nit_stream **streams;
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// The variables bellow are nor part of the physical packet
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int streams_max; // How much streams are allocated
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int streams_num; // How much streams are initialized
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uint8_t initialized; // Set to 1 when full NIT table is initialized
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};
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struct ts_eit_stream {
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uint16_t event_id;
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uint64_t start_time_mjd : 16,
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start_time_bcd : 24, // Total 40, start_time
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duration_bcd : 24;
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uint16_t running_status : 3,
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free_CA_mode : 1,
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descriptor_size : 12;
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uint8_t *descriptor_data;
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};
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struct ts_eit {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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uint16_t transport_stream_id;
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uint16_t original_network_id;
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uint8_t segment_last_section_number;
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uint8_t last_table_id;
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struct ts_eit_stream **streams;
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// The variables bellow are nor part of the physical packet
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int streams_max; // How much streams are allocated
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int streams_num; // How much streams are initialized
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uint8_t initialized; // Set to 1 when full eit table is initialized
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};
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struct ts_tdt {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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uint16_t mjd; // This both are part of one 40 bit field (UTC_time)
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uint32_t bcd; // Only 24 bits are used
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// The below fields are only in TOT packets, table_id 0x73
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uint16_t reserved_3 : 4,
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descriptors_size : 12;
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uint8_t *descriptors;
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// The variables bellow are nor part of the physical packet
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time_t utc; // decoded UTC_time
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struct tm tm; // decoded UTC_time
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uint8_t initialized;
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};
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struct ts_privsec {
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struct ts_header ts_header;
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struct ts_section_header *section_header;
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uint8_t initialized;
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};
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// PMT stream types
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enum ts_stream_type {
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STREAM_TYPE_MPEG1_VIDEO = 0x01, // MPEG-1 video
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STREAM_TYPE_MPEG2_VIDEO = 0x02, // H.262 - MPEG-2 video
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STREAM_TYPE_MPEG1_AUDIO = 0x03, // MPEG-1 audio
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STREAM_TYPE_MPEG2_AUDIO = 0x04, // MPEG-2 audio
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STREAM_TYPE_ADTS_AUDIO = 0x0F, // AAC ADTS
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STREAM_TYPE_MPEG4_PART2_VIDEO = 0x10, // DIVX - MPEG-4 part 2
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STREAM_TYPE_AVC_VIDEO = 0x1B, // H.264 - MPEG-4 part 10
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STREAM_TYPE_AVS_VIDEO = 0x42, // Chinese AVS
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STREAM_TYPE_DOLBY_DVB_AUDIO = 0x06, // 0x06 - Private stream, look at stream descriptors for AC-3 descriptor
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STREAM_TYPE_DOLBY_ATSC_AUDIO = 0x81, // 0x81 - Private stream in ATSC (US system, probably we shouldn't care)
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};
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// ------------------------------------------------------------
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// PES packet stream ids
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// See H.222.0 Table 2-17 and Table 2-18
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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_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_13522_STREAM 0xf3
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#define STREAM_ID_H222_A_STREAM 0xf4
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#define STREAM_ID_H222_B_STREAM 0xf5
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#define STREAM_ID_H222_C_STREAM 0xf6
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#define STREAM_ID_H222_D_STREAM 0xf7
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#define STREAM_ID_H222_E_STREAM 0xf8
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#define STREAM_ID_ANCILLARY_STREAM 0xf9
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#define STREAM_ID_PROGRAM_STREAM_DIRECTORY 0xff
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#define IS_AUDIO_STREAM_ID(id) ((id) >= 0xc0 && (id) <= 0xdf)
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#define IS_VIDEO_STREAM_ID(id) ((id) >= 0xe0 && (id) <= 0xef)
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#define IS_PES_STREAM_SUPPORTED(id) (!(id == STREAM_ID_PROGRAM_STREAM_MAP || \
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id == STREAM_ID_PADDING_STREAM || \
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id == STREAM_ID_PRIVATE_STREAM_2 || \
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id == STREAM_ID_ECM_STREAM || \
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id == STREAM_ID_EMM_STREAM || \
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id == STREAM_ID_PROGRAM_STREAM_DIRECTORY || \
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id == STREAM_ID_DSMCC_STREAM || \
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id == STREAM_ID_H222_E_STREAM))
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struct mpeg_audio_header {
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uint32_t syncword : 12,
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ID : 1,
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layer : 2,
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protection_bit : 1,
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bitrate_index : 4,
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sampl_freq : 2,
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padding_bit : 1,
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private_bit : 1,
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mode : 2,
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mode_extension : 2,
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copyright : 1,
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org_home : 1,
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emphasis : 2;
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uint8_t initialized;
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};
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struct ts_pes {
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struct ts_header ts_header;
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uint32_t have_pts : 1, // Have PTS in the PES (init from PES header)
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have_dts : 1, // Have DTS in the PES (init from PES header)
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is_audio : 1, // PES carries audio (mpeg2 or AC3) (init from PES stream_id and PMT stream_type and descriptors)
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is_audio_mpeg1 : 1, // PES carries MP1 audio (init from PMT stream_id)
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is_audio_mpeg1l1: 1, // PES carries MP1 audio Layer I (init from PMT audio descriptor)
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is_audio_mpeg1l2: 1, // PES carries MP1 audio Layer II (init from PMT audio descriptor)
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is_audio_mpeg1l3: 1, // PES carries MP1 audio Layer III (init from PMT audio descriptor)
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is_audio_mpeg2 : 1, // PES carries MP2 audio (init from PMT stream_id)
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is_audio_aac : 1, // PES carries AAC audio (init from PMT stream_id)
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is_audio_ac3 : 1, // PES carries AC3 audio (init from stream_id and PMT descriptors and elmentary stream)
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is_audio_dts : 1, // PES carries DTS audio (init from stream_id and elementary stream)
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is_video : 1, // PES carries video (mpeg2 or H.264) (init from PES stream_id)
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is_video_mpeg1 : 1, // PES carries mpeg1 video (init from PES stream_id)
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is_video_mpeg2 : 1, // PES carries mpeg2 video (init from PES stream_id)
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is_video_mpeg4 : 1, // PES carries mpeg4 part 2 video (init from PES stream_id)
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is_video_h264 : 1, // PES carries H.264 video (init from PES stream_id)
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is_video_avs : 1, // PES carries AVS video (init from PES stream_id)
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is_teletext : 1, // PES carries teletext (init from PMT descriptors)
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is_subtitle : 1; // PES carries subtitles (init from PMT descriptors)
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uint8_t stream_id; // If !0 then the PES has started initializing
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uint16_t pes_packet_len; // Allowed to be 0 for video streams
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int real_pes_packet_len; // if pes_packet_len is > 0 the this is eq to pes_packet_len
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// if pes_packet_len is = 0 this is set to -1 until very last packet
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uint8_t flags_1; // Bellow flags
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uint8_t reserved1 : 2, // Always eq 2 (10 binary)
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scrambling : 2,
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priority : 1,
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data_alignment : 1,
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copyright : 1,
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original_or_copy : 1;
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uint8_t flags_2; // Bellow flags
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uint8_t PTS_flag : 1,
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DTS_flag : 1,
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ESCR_flag : 1,
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ES_rate_flag : 1,
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trick_mode_flag : 1,
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add_copy_info_flag : 1,
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pes_crc_flag : 1,
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pes_extension_flag : 1;
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uint8_t pes_header_len;
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uint64_t PTS; // if (PTS_flag)
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uint64_t DTS; // if (DTS_flag)
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uint64_t ESCR; // if (ESCR_flag)
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uint32_t ES_rate; // if (ES_rate_flag)
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uint16_t trick_mode_control : 2, // if (trick_mode_flag)
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field_id : 2,
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intra_slice_refresh : 1,
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freq_truncation : 2,
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rep_ctrl : 5,
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tm_reserved : 4;
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uint8_t reserved_add : 1, // if (add_copy_info_flag)
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add_copy_info : 7;
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uint16_t prev_pes_crc; // if (pes_crc_flag)
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// PES extension
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uint8_t flags_3; // Bellow flags
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uint8_t pes_private_data_flag : 1,
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pack_header_field_flag : 1,
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program_packet_seq_counter_flag : 1,
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p_std_buffer_flag : 1,
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reserved2 : 3,
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pes_extension2_flag : 1;
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uint64_t pes_private_data_1; // if (pes_private_data_flag)
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uint64_t pes_private_data_2; // The whole field is 128 bits
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uint8_t pack_header_len; // if (pack_header_field_flag)
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uint8_t *pack_header; // Pointer into *pes_data
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uint8_t reserved3 : 1, // if (program_packet_seq_counter_flag)
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program_packet_seq_counter : 7;
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uint8_t mpeg1_mpeg2_identifier : 1,
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original_stuff_length : 6;
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uint16_t p_std_reserved : 2, // Always 1, if (p_std_buffer_flag)
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p_std_buffer_scale : 1,
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p_std_buffer_size : 13;
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uint16_t reserved4 : 1, // if (pes_extension2_flag)
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pes_extension_field_len : 7;
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uint8_t *pes_extension2; // Pointer into *pes_data
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// Private data
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uint8_t *pes_data; // Whole packet is stored here
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uint32_t pes_data_pos; // How much data is filled in pes_data
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uint32_t pes_data_size; // Total allocated for pes_data
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uint8_t pes_data_initialized; // Set to 1 when all of the pes_data is in *pes_data and the parsing can start
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// More private data
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uint8_t *es_data; // Pointer to start of data after PES header, initialized when the packet is fully assembled
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uint32_t es_data_size; // Full pes packet length (used for video streams, otherwise equal to pes_packet_len)
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uint8_t initialized; // Set to 1 when the packet is fully assembled
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// Extra data
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struct mpeg_audio_header mpeg_audio_header;
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};
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struct pes_entry {
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uint16_t pid;
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struct ts_pes *pes;
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struct ts_pes *pes_next;
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};
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struct pes_array {
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int max;
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int cur;
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struct pes_entry **entries;
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};
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typedef uint8_t pidmap_t[0x2000];
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#endif
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