55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
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#ifndef _mkv_buffer_h_
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#define _mkv_buffer_h_
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#include <stdio.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct mkv_buffer_t
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{
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/// read data from buffer
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/// @param[in] param user-defined parameter
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/// @param[out] data user buffer
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/// @param[in] bytes data buffer size
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/// @return 0-ok, <0-error
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int (*read)(void* param, void* data, uint64_t bytes);
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/// write data to buffer
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/// @param[in] param user-defined parameter
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/// @param[in] data user buffer
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/// @param[in] bytes data buffer size
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/// @return 0-ok, <0-error
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int (*write)(void* param, const void* data, uint64_t bytes);
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/// mkve buffer position
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/// @param[in] param user-defined parameter
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/// @param[in] offset >=0-seek buffer read/write position to offset(from buffer begin), <0-seek from file end(SEEK_END)
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/// @return 0-ok, <0-error
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int (*seek)(void* param, int64_t offset);
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/// get buffer read/write position
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/// @return <0-error, other-current read/write position
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int64_t (*tell)(void* param);
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};
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struct mkv_file_cache_t
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{
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FILE* fp;
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uint8_t ptr[800];
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unsigned int len;
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unsigned int off;
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uint64_t tell;
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};
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const struct mkv_buffer_t* mkv_file_cache_buffer(void);
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const struct mkv_buffer_t* mkv_file_buffer(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_mkv_buffer_h_ */
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