Grok 10.0.5
grok_private.h File Reference
#include "grok.h"

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Typedefs

typedef size_t(* grk_stream_read_fn) (uint8_t *buffer, size_t numBytes, void *user_data)
 
typedef size_t(* grk_stream_write_fn) (const uint8_t *buffer, size_t numBytes, void *user_data)
 
typedef bool(* grk_stream_seek_fn) (uint64_t numBytes, void *user_data)
 
typedef void(* grk_stream_free_user_data_fn) (void *user_data)
 

Functions

void grk_stream_set_read_function (grk_stream *stream, grk_stream_read_fn func)
 Set read function.
 
void grk_stream_set_write_function (grk_stream *stream, grk_stream_write_fn func)
 Set write function.
 
void grk_stream_set_seek_function (grk_stream *stream, grk_stream_seek_fn func)
 Set (absolute) seek function (stream must be seekable)
 
void grk_stream_set_user_data (grk_stream *stream, void *data, grk_stream_free_user_data_fn func)
 Set user data for JPEG 2000 stream.
 
void grk_stream_set_user_data_length (grk_stream *stream, uint64_t data_length)
 Set the length of the user data for the stream.
 

Typedef Documentation

◆ grk_stream_free_user_data_fn

typedef void(* grk_stream_free_user_data_fn) (void *user_data)

◆ grk_stream_read_fn

typedef size_t(* grk_stream_read_fn) (uint8_t *buffer, size_t numBytes, void *user_data)

◆ grk_stream_seek_fn

typedef bool(* grk_stream_seek_fn) (uint64_t numBytes, void *user_data)

◆ grk_stream_write_fn

typedef size_t(* grk_stream_write_fn) (const uint8_t *buffer, size_t numBytes, void *user_data)

Function Documentation

◆ grk_stream_set_read_function()

void grk_stream_set_read_function ( grk_stream * stream,
grk_stream_read_fn func )

Set read function.

Parameters
streamJPEG 2000 stream
funcread function

◆ grk_stream_set_seek_function()

void grk_stream_set_seek_function ( grk_stream * stream,
grk_stream_seek_fn func )

Set (absolute) seek function (stream must be seekable)

Parameters
streamJPEG 2000 stream
func(absolute) seek function.

◆ grk_stream_set_user_data()

void grk_stream_set_user_data ( grk_stream * stream,
void * data,
grk_stream_free_user_data_fn func )

Set user data for JPEG 2000 stream.

Parameters
streamJPEG 2000 stream
datauser data
funcfunction to free data when grk_object_unref() is called.

◆ grk_stream_set_user_data_length()

void grk_stream_set_user_data_length ( grk_stream * stream,
uint64_t data_length )

Set the length of the user data for the stream.

Parameters
streamJPEG 2000 stream
data_lengthlength of data.

◆ grk_stream_set_write_function()

void grk_stream_set_write_function ( grk_stream * stream,
grk_stream_write_fn func )

Set write function.

Parameters
streamJPEG 2000 stream
funcwrite function