100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#ifndef _mpeg_pes_internal_h_
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#define _mpeg_pes_internal_h_
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#include "mpeg-proto.h"
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#include "mpeg-types.h"
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#include "mpeg-util.h"
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enum {
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MPEG_ERROR_NEED_MORE_DATA = 0,
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MPEG_ERROR_OK,
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MPEG_ERROR_INVALID_DATA,
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};
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struct packet_t
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{
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uint8_t sid;
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uint8_t codecid;
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int flags;
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int64_t pts;
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int64_t dts;
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uint8_t *data;
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size_t size;
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size_t capacity;
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int vcl; // h.264/h.265 only
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};
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struct pes_t
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{
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uint16_t pn; // TS program number(0-ps)
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uint16_t pid; // PES PID : 13
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uint8_t sid; // PES stream_id : 8
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uint8_t codecid; // PMT/PSM stream_type : 8
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uint8_t cc; // continuity_counter : 4;
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uint8_t* esinfo; // es_info
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uint16_t esinfo_len;// es_info_length : 12
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uint32_t len; // PES_packet_length : 16;
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uint32_t reserved10 : 2;
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uint32_t PES_scrambling_control : 2;
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uint32_t PES_priority : 1;
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uint32_t data_alignment_indicator : 1;
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uint32_t copyright : 1;
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uint32_t original_or_copy : 1;
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uint32_t PTS_DTS_flags : 2;
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uint32_t ESCR_flag : 1;
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uint32_t ES_rate_flag : 1;
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uint32_t DSM_trick_mode_flag : 1;
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uint32_t additional_copy_info_flag : 1;
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uint32_t PES_CRC_flag : 1;
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uint32_t PES_extension_flag : 1;
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uint32_t PES_header_data_length : 8;
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int64_t pts;
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int64_t dts;
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int64_t ESCR_base;
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uint32_t ESCR_extension;
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uint32_t ES_rate;
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//uint8_t trick_mode;
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//uint32_t trick_mode_control : 3;
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//uint32_t field_id : 2;
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//uint32_t intra_slice_refresh : 1;
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//uint32_t frequency_truncation : 2;
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//uint8_t additional_copy_info;
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//int16_t previous_PES_packet_CRC;
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//uint32_t PES_private_data_flag : 1;
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//uint32_t pack_header_field_flag : 1;
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//uint32_t program_packet_sequence_counter_flag : 1;
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//uint32_t P_STD_buffer_flag : 1;
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//uint32_t reserved_ : 3;
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//uint32_t PES_extension_flag_2 : 1;
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//uint32_t PES_private_data_flag2 : 1;
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//uint8_t PES_private_data[128/8];
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//uint32_t pack_field_length : 8;
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int have_pes_header; // TS demuxer only
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int flags; // TS/PS demuxer only
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struct packet_t pkt;
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};
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int pes_read_header(struct pes_t *pes, struct mpeg_bits_t* reader);
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int pes_read_mpeg1_header(struct pes_t* pes, struct mpeg_bits_t* reader);
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size_t pes_write_header(const struct pes_t *pes, uint8_t* data, size_t bytes);
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typedef int (*pes_packet_handler)(void* param, int program, int stream, int codecid, int flags, int64_t pts, int64_t dts, const void* data, size_t bytes);
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int pes_packet(struct packet_t* pkt, struct pes_t* pes, const void* data, size_t size, size_t* consume, int start, pes_packet_handler handler, void* param);
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uint16_t mpeg_bits_read15(struct mpeg_bits_t* reader);
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uint32_t mpeg_bits_read30(struct mpeg_bits_t* reader);
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uint64_t mpeg_bits_read45(struct mpeg_bits_t* reader);
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#endif /* !_mpeg_pes_internal_h_ */
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