104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
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#ifndef _mpeg_ts_internal_h_
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#define _mpeg_ts_internal_h_
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#include "mpeg-proto.h"
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#include "mpeg-types.h"
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#include "mpeg-pes-internal.h"
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#include "mpeg-util.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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{
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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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{
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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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{
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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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char proginfo[4]; // CUEI
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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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{
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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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unsigned int pmt_capacity;
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struct pmt_t pmt_default[1];
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struct pmt_t* pmts;
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};
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struct pmt_t* pat_alloc_pmt(struct pat_t* pat);
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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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size_t sdt_write(const struct pat_t* pat, uint8_t* data);
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void pat_clear(struct pat_t* pat);
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void pmt_clear(struct pmt_t* pmt);
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#endif /* !_mpeg_ts_internal_h_ */
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