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- #ifndef LIBTS_TSDATA_H
- #define LIBTS_TSDATA_H
-
- #include <netdb.h>
- #include <time.h>
-
- #ifndef FREE
- #define FREE(x) if(x) { free(x); x=NULL; }
- #endif
-
- #define TS_PACKET_SIZE 188
- #define TS_MAX_PAYLOAD_SIZE (TS_PACKET_SIZE-4)
-
- struct ts_header {
- uint8_t sync_byte; // Always 0x47
-
- uint16_t tei : 1, // Transport Error Indicator (TEI)
- pusi : 1, // Payload Unit Start Indicator
- prio : 1, // Transport Priority
- pid : 13; // PID
-
- uint8_t scramble : 2, // 00 - not scrambled, 01 - reserved, 10 - scrambled with even key, 11 - scrambled with odd key
- adapt_field : 1,
- payload_field : 1,
- continuity : 4;
-
- // The variables bellow this line depends may not exist in a packet
- uint8_t adapt_len; // adaptation field length
- uint8_t adapt_flags; // adaptation field flags
-
- uint8_t payload_size; // Payload size inside the packet
- uint8_t payload_offset; // Payload offset inside the packet
- };
-
- struct ts_section_header {
- uint8_t pointer_field;
-
- uint8_t table_id;
-
- uint16_t section_syntax_indicator: 1, // Section Syntax Indicator
- private_indicator : 1, // Private section indicator
- reserved1 : 2, // 2 reserved bits
- section_length : 12; // Section lenth
-
- uint16_t ts_id_number; // Transport stream id (in PAT), Program number (in PMT)
-
- uint8_t reserved2 : 2,
- version_number : 5,
- current_next_indicator : 1;
-
- uint8_t section_number;
- uint8_t last_section_number;
-
- // The variables bellow this line are not in the physical packet
- int section_pos; // Up to this pos the section data has come
- int initialized; // Set to 1 when whole sectino is initialized
-
- uint8_t *section_data; // The whole section data
- uint8_t *packet_data; // TS packet(s) that were used to transfer the table.
-
- int num_packets; // From how much packets this section is build
-
- int data_len; // Data size without the CRC32 (4 bytes)
- uint8_t *data; // Offset into section_data (where the section data start without the section header)
-
- uint32_t CRC;
- };
-
- struct ts_pat_program {
- uint16_t program;
- uint16_t reserved:3,
- pid:13;
- };
-
- struct ts_pat {
- struct ts_header ts_header;
- struct ts_section_header *section_header;
-
- struct ts_pat_program **programs;
-
- // The variables bellow are nor part of the physical packet
- int programs_max; // How much programs are allocated
- int programs_num; // How much programs are initialized
- uint8_t initialized; // Set to 1 when full table is initialized
- };
-
- enum CA_system {
- CA_IRDETO, // 0x0600 - 0x06FF Irdeto
- CA_CONNAX, // 0x0B00 - 0x0BFF Norwegian Telekom
- CA_CRYPTOWORKS, // 0x0D00 - 0x0DFF CrytoWorks
- CA_UNKNOWN,
- };
-
- struct ts_cat {
- struct ts_header ts_header;
- struct ts_section_header *section_header;
-
- int program_info_size;
- uint8_t *program_info;
-
- // The variables bellow are nor part of the physical packet
- uint8_t initialized; // Set to 1 when full table is initialized
- };
-
- struct ts_pmt_stream {
- uint8_t stream_type;
-
- uint16_t reserved1 : 3,
- pid : 13;
-
- uint16_t reserved2 : 4,
- ES_info_size : 12;
-
- uint8_t *ES_info;
- };
-
- struct ts_pmt {
- struct ts_header ts_header;
- struct ts_section_header *section_header;
-
- uint16_t reserved1 : 3,
- PCR_pid : 13;
-
- uint16_t reserved2 : 4,
- program_info_size : 12;
- uint8_t *program_info;
-
- struct ts_pmt_stream **streams;
-
- // The variables bellow are nor part of the physical packet
- int streams_max; // How much streams are allocated
- int streams_num; // How much streams are initialized
- uint8_t initialized; // Set to 1 when full table is initialized
- };
-
-
- struct ts_sdt_stream {
- uint16_t service_id;
-
- uint8_t reserved1 : 6,
- EIT_schedule_flag : 1,
- EIT_present_following_flag : 1;
-
- uint16_t running_status : 3,
- free_CA_mode : 1,
- descriptor_size : 12;
-
- uint8_t *descriptor_data;
- };
-
- struct ts_sdt {
- struct ts_header ts_header;
- struct ts_section_header *section_header;
-
- uint16_t original_network_id;
- uint8_t reserved;
-
- struct ts_sdt_stream **streams;
-
- // The variables bellow are nor part of the physical packet
- int streams_max; // How much streams are allocated
- int streams_num; // How much streams are initialized
- uint8_t initialized; // Set to 1 when full table is initialized
- };
-
-
-
- struct ts_nit_stream {
- uint16_t transport_stream_id;
- uint16_t original_network_id;
-
- uint16_t reserved1 : 4,
- descriptor_size : 12;
-
- uint8_t *descriptor_data;
- };
-
- struct ts_nit {
- struct ts_header ts_header;
- struct ts_section_header *section_header;
-
- uint16_t reserved1 : 4,
- network_info_size : 12;
-
- uint8_t *network_info;
-
- uint16_t reserved2 : 4,
- ts_loop_size : 12;
-
- struct ts_nit_stream **streams;
-
- // The variables bellow are nor part of the physical packet
- int streams_max; // How much streams are allocated
- int streams_num; // How much streams are initialized
- uint8_t initialized; // Set to 1 when full NIT table is initialized
- };
-
-
- struct ts_eit_stream {
- uint16_t event_id;
- uint64_t start_time_mjd : 16,
- start_time_bcd : 24, // Total 40, start_time
- duration_bcd : 24;
-
- uint16_t running_status : 3,
- free_CA_mode : 1,
- descriptor_size : 12;
-
- uint8_t *descriptor_data;
- };
-
- struct ts_eit {
- struct ts_header ts_header;
- struct ts_section_header *section_header;
-
- uint16_t transport_stream_id;
- uint16_t original_network_id;
- uint8_t segment_last_section_number;
- uint8_t last_table_id;
-
- struct ts_eit_stream **streams;
-
- // The variables bellow are nor part of the physical packet
- int streams_max; // How much streams are allocated
- int streams_num; // How much streams are initialized
- uint8_t initialized; // Set to 1 when full eit table is initialized
- };
-
- struct ts_tdt {
- struct ts_header ts_header;
-
- uint8_t pointer_field;
-
- uint8_t table_id;
-
- uint16_t section_syntax_indicator: 1, // Section Syntax Indicator
- reserved_1 : 1, // 1 reserved bit
- reserved_2 : 2, // 2 reserved bits
- section_length : 12; // Section lenth
-
- uint16_t mjd; // This both are part of one 40 bit field (UTC_time)
- uint32_t bcd; // Only 24 bits are used
-
- // The below fields are only in TOT packets, table_id 0x73
- uint16_t reserved_3 : 4,
- descriptors_size : 12;
- uint8_t *descriptors;
- uint32_t CRC;
-
- // The variables bellow are nor part of the physical packet
- uint8_t *packet_data;
- time_t utc; // decoded UTC_time
- struct tm tm; // decoded UTC_time
-
- uint8_t initialized;
- };
-
- // PMT stream types
- enum ts_stream_type {
- STREAM_TYPE_MPEG1_VIDEO = 0x01, // MPEG-1 video
- STREAM_TYPE_MPEG2_VIDEO = 0x02, // H.262 - MPEG-2 video
-
- STREAM_TYPE_MPEG1_AUDIO = 0x03, // MPEG-1 audio
- STREAM_TYPE_MPEG2_AUDIO = 0x04, // MPEG-2 audio
-
- STREAM_TYPE_ADTS_AUDIO = 0x0F, // AAC ADTS
- STREAM_TYPE_MPEG4_PART2_VIDEO = 0x10, // DIVX - MPEG-4 part 2
-
- STREAM_TYPE_AVC_VIDEO = 0x1B, // H.264 - MPEG-4 part 10
- STREAM_TYPE_AVS_VIDEO = 0x42, // Chinese AVS
-
- STREAM_TYPE_DOLBY_DVB_AUDIO = 0x06, // 0x06 - Private stream, look at stream descriptors for AC-3 descriptor
- STREAM_TYPE_DOLBY_ATSC_AUDIO = 0x81, // 0x81 - Private stream in ATSC (US system, probably we shouldn't care)
- };
-
- // ------------------------------------------------------------
- // PES packet stream ids
- // See H.222.0 Table 2-17 and Table 2-18
- #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_ECM_STREAM 0xf0
- #define STREAM_ID_EMM_STREAM 0xf1
- #define STREAM_ID_DSMCC_STREAM 0xf2
- #define STREAM_ID_13522_STREAM 0xf3
- #define STREAM_ID_H222_A_STREAM 0xf4
- #define STREAM_ID_H222_B_STREAM 0xf5
- #define STREAM_ID_H222_C_STREAM 0xf6
- #define STREAM_ID_H222_D_STREAM 0xf7
- #define STREAM_ID_H222_E_STREAM 0xf8
- #define STREAM_ID_ANCILLARY_STREAM 0xf9
- #define STREAM_ID_PROGRAM_STREAM_DIRECTORY 0xff
-
- #define IS_AUDIO_STREAM_ID(id) ((id) >= 0xc0 && (id) <= 0xdf)
- #define IS_VIDEO_STREAM_ID(id) ((id) >= 0xe0 && (id) <= 0xef)
- #define IS_PES_STREAM_SUPPORTED(id) (!(id == STREAM_ID_PROGRAM_STREAM_MAP || \
- id == STREAM_ID_PADDING_STREAM || \
- id == STREAM_ID_PRIVATE_STREAM_2 || \
- id == STREAM_ID_ECM_STREAM || \
- id == STREAM_ID_EMM_STREAM || \
- id == STREAM_ID_PROGRAM_STREAM_DIRECTORY || \
- id == STREAM_ID_DSMCC_STREAM || \
- id == STREAM_ID_H222_E_STREAM))
-
-
- struct mpeg_audio_header {
- uint32_t syncword : 12,
- ID : 1,
- layer : 2,
- protection_bit : 1,
- bitrate_index : 4,
- sampl_freq : 2,
- padding_bit : 1,
- private_bit : 1,
- mode : 2,
- mode_extension : 2,
- copyright : 1,
- org_home : 1,
- emphasis : 2;
-
- uint8_t initialized;
- };
-
- struct ts_pes {
- struct ts_header ts_header;
-
- uint32_t have_pts : 1, // Have PTS in the PES (init from PES header)
- have_dts : 1, // Have DTS in the PES (init from PES header)
- is_audio : 1, // PES carries audio (mpeg2 or AC3) (init from PES stream_id and PMT stream_type and descriptors)
- is_audio_mpeg1 : 1, // PES carries MP1 audio (init from PMT stream_id)
- is_audio_mpeg1l1: 1, // PES carries MP1 audio Layer I (init from PMT audio descriptor)
- is_audio_mpeg1l2: 1, // PES carries MP1 audio Layer II (init from PMT audio descriptor)
- is_audio_mpeg1l3: 1, // PES carries MP1 audio Layer III (init from PMT audio descriptor)
- is_audio_mpeg2 : 1, // PES carries MP2 audio (init from PMT stream_id)
- is_audio_aac : 1, // PES carries AAC audio (init from PMT stream_id)
- is_audio_ac3 : 1, // PES carries AC3 audio (init from stream_id and PMT descriptors and elmentary stream)
- is_audio_dts : 1, // PES carries DTS audio (init from stream_id and elementary stream)
- is_video : 1, // PES carries video (mpeg2 or H.264) (init from PES stream_id)
- is_video_mpeg1 : 1, // PES carries mpeg1 video (init from PES stream_id)
- is_video_mpeg2 : 1, // PES carries mpeg2 video (init from PES stream_id)
- is_video_mpeg4 : 1, // PES carries mpeg4 part 2 video (init from PES stream_id)
- is_video_h264 : 1, // PES carries H.264 video (init from PES stream_id)
- is_video_avs : 1, // PES carries AVS video (init from PES stream_id)
- is_teletext : 1, // PES carries teletext (init from PMT descriptors)
- is_subtitle : 1; // PES carries subtitles (init from PMT descriptors)
-
- uint8_t stream_id; // If !0 then the PES has started initializing
- uint16_t pes_packet_len; // Allowed to be 0 for video streams
- int real_pes_packet_len; // if pes_packet_len is > 0 the this is eq to pes_packet_len
- // if pes_packet_len is = 0 this is set to -1 until very last packet
-
- uint8_t flags_1; // Bellow flags
- uint8_t reserved1 : 2, // Always eq 2 (10 binary)
- scrambling : 2,
- priority : 1,
- data_alignment : 1,
- copyright : 1,
- original_or_copy : 1;
-
- uint8_t flags_2; // Bellow flags
- uint8_t PTS_flag : 1,
- DTS_flag : 1,
- ESCR_flag : 1,
- ES_rate_flag : 1,
- trick_mode_flag : 1,
- add_copy_info_flag : 1,
- pes_crc_flag : 1,
- pes_extension_flag : 1;
-
- uint8_t pes_header_len;
-
- uint64_t PTS; // if (PTS_flag)
- uint64_t DTS; // if (DTS_flag)
- uint64_t ESCR; // if (ESCR_flag)
- uint32_t ES_rate; // if (ES_rate_flag)
-
- uint16_t trick_mode_control : 2, // if (trick_mode_flag)
- field_id : 2,
- intra_slice_refresh : 1,
- freq_truncation : 2,
- rep_ctrl : 5,
- tm_reserved : 4;
-
- uint8_t reserved_add : 1, // if (add_copy_info_flag)
- add_copy_info : 7;
-
- uint16_t prev_pes_crc; // if (pes_crc_flag)
-
- // PES extension
- uint8_t flags_3; // Bellow flags
- uint8_t pes_private_data_flag : 1,
- pack_header_field_flag : 1,
- program_packet_seq_counter_flag : 1,
- p_std_buffer_flag : 1,
- reserved2 : 3,
- pes_extension2_flag : 1;
-
- uint64_t pes_private_data_1; // if (pes_private_data_flag)
- uint64_t pes_private_data_2; // The whole field is 128 bits
-
- uint8_t pack_header_len; // if (pack_header_field_flag)
- uint8_t *pack_header; // Pointer into *pes_data
-
- uint8_t reserved3 : 1, // if (program_packet_seq_counter_flag)
- program_packet_seq_counter : 7;
-
- uint8_t mpeg1_mpeg2_identifier : 1,
- original_stuff_length : 6;
-
- uint16_t p_std_reserved : 2, // Always 1, if (p_std_buffer_flag)
- p_std_buffer_scale : 1,
- p_std_buffer_size : 13;
-
- uint16_t reserved4 : 1, // if (pes_extension2_flag)
- pes_extension_field_len : 7;
- uint8_t *pes_extension2; // Pointer into *pes_data
-
- // Private data
- uint8_t *pes_data; // Whole packet is stored here
- uint32_t pes_data_pos; // How much data is filled in pes_data
- uint32_t pes_data_size; // Total allocated for pes_data
- uint8_t pes_data_initialized; // Set to 1 when all of the pes_data is in *pes_data and the parsing can start
-
- // More private data
- uint8_t *es_data; // Pointer to start of data after PES header, initialized when the packet is fully assembled
- uint32_t es_data_size; // Full pes packet length (used for video streams, otherwise equal to pes_packet_len)
- uint8_t initialized; // Set to 1 when the packet is fully assembled
-
- // Extra data
- struct mpeg_audio_header mpeg_audio_header;
- };
-
- struct pes_entry {
- uint16_t pid;
- struct ts_pes *pes;
- struct ts_pes *pes_next;
- };
-
- struct pes_array {
- int max;
- int cur;
- struct pes_entry **entries;
- };
-
- #endif
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