39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
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#ifndef _rtmp_chunk_header_h_
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#define _rtmp_chunk_header_h_
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#include <stdint.h>
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#include <stddef.h>
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enum rtmp_chunk_type_t
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{
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RTMP_CHUNK_TYPE_0 = 0, // 11-bytes: timestamp(3) + length(3) + stream type(1) + stream id(4)
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RTMP_CHUNK_TYPE_1 = 1, // 7-bytes: delta(3) + length(3) + stream type(1)
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RTMP_CHUNK_TYPE_2 = 2, // 3-bytes: delta(3)
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RTMP_CHUNK_TYPE_3 = 3, // 0-byte
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};
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struct rtmp_chunk_header_t
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{
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uint8_t fmt; // RTMP_CHUNK_TYPE_XXX
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uint32_t cid; // chunk stream id(22-bits)
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uint32_t timestamp; // delta(24-bits) / extended timestamp(32-bits)
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uint32_t length; // message length (24-bits)
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uint8_t type; // message type id
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uint32_t stream_id; // message stream id
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};
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/// @return read bytes
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int rtmp_chunk_basic_header_read(const uint8_t* data, uint8_t* fmt, uint32_t* cid);
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int rtmp_chunk_message_header_read(const uint8_t* data, struct rtmp_chunk_header_t* header);
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int rtmp_chunk_extended_timestamp_read(const uint8_t* out, uint32_t* timestamp);
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/// @return write bytes
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int rtmp_chunk_basic_header_write(uint8_t* out, uint8_t fmt, uint32_t id);
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int rtmp_chunk_message_header_write(uint8_t* out, const struct rtmp_chunk_header_t* header);
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int rtmp_chunk_extended_timestamp_write(uint8_t* out, uint32_t timestamp);
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#endif /* !_rtmp_chunk_header_h_ */
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