Structure of functions implementing custom I/O callbacks.
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int64_t(* | size )(void *handle) |
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int(* | seek )(void *handle, int64_t pos) |
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int(* | read )(void *handle, void *buffer, int64_t size, int64_t *nin) |
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int(* | write )(void *handle, const void *buffer, int64_t size, int64_t *nout) |
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int(* | truncate )(void *handle, int64_t size) |
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Structure of functions implementing custom I/O callbacks.
Except for size, all the functions must return 0 upon success or a non-zero value to indicate failure. The size function must return the size of the file/buffer or -1 in case of failure.
- See also
- MP4CreateCallbacks()
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MP4ModifyCallbacks()
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MP4ReadCallbacks()
- Examples
- example/callbacks/callbacks.c.