cio.h File Reference

Implementation of a byte input-output process (CIO) More...

#include "opj_config_private.h"

Go to the source code of this file.

Data Structures
struct	opj_stream_private
	Byte input-output stream. More...

Macros
#define	opj_write_bytes   opj_write_bytes_LE
#define	opj_read_bytes   opj_read_bytes_LE
#define	opj_write_double   opj_write_double_LE
#define	opj_read_double   opj_read_double_LE
#define	opj_write_float   opj_write_float_LE
#define	opj_read_float   opj_read_float_LE
#define	OPJ_STREAM_STATUS_OUTPUT   0x1U
#define	OPJ_STREAM_STATUS_INPUT   0x2U
#define	OPJ_STREAM_STATUS_END   0x4U
#define	OPJ_STREAM_STATUS_ERROR   0x8U

Typedefs
typedef struct opj_stream_private	opj_stream_private_t
	Byte input-output stream. More...

Functions
Exported functions (see also openjpeg.h)
void	opj_write_bytes_BE (OPJ_BYTE *p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes)
	Write some bytes to the given data buffer, this function is used in Big Endian cpus. More...
void	opj_read_bytes_BE (const OPJ_BYTE *p_buffer, OPJ_UINT32 *p_value, OPJ_UINT32 p_nb_bytes)
	Reads some bytes from the given data buffer, this function is used in Big Endian cpus. More...
void	opj_write_bytes_LE (OPJ_BYTE *p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes)
	Write some bytes to the given data buffer, this function is used in Little Endian cpus. More...
void	opj_read_bytes_LE (const OPJ_BYTE *p_buffer, OPJ_UINT32 *p_value, OPJ_UINT32 p_nb_bytes)
	Reads some bytes from the given data buffer, this function is used in Little Endian cpus. More...
void	opj_write_double_LE (OPJ_BYTE *p_buffer, OPJ_FLOAT64 p_value)
	Write some bytes to the given data buffer, this function is used in Little Endian cpus. More...
void	opj_write_double_BE (OPJ_BYTE *p_buffer, OPJ_FLOAT64 p_value)
void	opj_read_double_LE (const OPJ_BYTE *p_buffer, OPJ_FLOAT64 *p_value)
	Reads some bytes from the given data buffer, this function is used in Little Endian cpus. More...
void	opj_read_double_BE (const OPJ_BYTE *p_buffer, OPJ_FLOAT64 *p_value)
	Reads some bytes from the given data buffer, this function is used in Big Endian cpus. More...
void	opj_read_float_LE (const OPJ_BYTE *p_buffer, OPJ_FLOAT32 *p_value)
	Reads some bytes from the given data buffer, this function is used in Little Endian cpus. More...
void	opj_read_float_BE (const OPJ_BYTE *p_buffer, OPJ_FLOAT32 *p_value)
	Reads some bytes from the given data buffer, this function is used in Big Endian cpus. More...
void	opj_write_float_LE (OPJ_BYTE *p_buffer, OPJ_FLOAT32 p_value)
	Write some bytes to the given data buffer, this function is used in Little Endian cpus. More...
void	opj_write_float_BE (OPJ_BYTE *p_buffer, OPJ_FLOAT32 p_value)
OPJ_SIZE_T	opj_stream_read_data (opj_stream_private_t *p_stream, OPJ_BYTE *p_buffer, OPJ_SIZE_T p_size, struct opj_event_mgr *p_event_mgr)
	Reads some bytes from the stream. More...
OPJ_SIZE_T	opj_stream_write_data (opj_stream_private_t *p_stream, const OPJ_BYTE *p_buffer, OPJ_SIZE_T p_size, struct opj_event_mgr *p_event_mgr)
	Writes some bytes to the stream. More...
OPJ_BOOL	opj_stream_flush (opj_stream_private_t *p_stream, struct opj_event_mgr *p_event_mgr)
	Writes the content of the stream buffer to the stream. More...
OPJ_OFF_T	opj_stream_skip (opj_stream_private_t *p_stream, OPJ_OFF_T p_size, struct opj_event_mgr *p_event_mgr)
	Skips a number of bytes from the stream. More...
OPJ_OFF_T	opj_stream_tell (const opj_stream_private_t *p_stream)
	Tells the byte offset on the stream (similar to ftell). More...
OPJ_OFF_T	opj_stream_get_number_byte_left (const opj_stream_private_t *p_stream)
	Get the number of bytes left before the end of the stream (similar to cio_numbytesleft). More...
OPJ_OFF_T	opj_stream_write_skip (opj_stream_private_t *p_stream, OPJ_OFF_T p_size, struct opj_event_mgr *p_event_mgr)
	Skips a number of bytes from the stream. More...
OPJ_OFF_T	opj_stream_read_skip (opj_stream_private_t *p_stream, OPJ_OFF_T p_size, struct opj_event_mgr *p_event_mgr)
	Skips a number of bytes from the stream. More...
OPJ_BOOL	opj_stream_read_seek (opj_stream_private_t *p_stream, OPJ_OFF_T p_size, struct opj_event_mgr *p_event_mgr)
	Skips a number of bytes from the stream. More...
OPJ_BOOL	opj_stream_write_seek (opj_stream_private_t *p_stream, OPJ_OFF_T p_size, struct opj_event_mgr *p_event_mgr)
	Skips a number of bytes from the stream. More...
OPJ_BOOL	opj_stream_seek (opj_stream_private_t *p_stream, OPJ_OFF_T p_size, struct opj_event_mgr *p_event_mgr)
	Seeks a number of bytes from the stream. More...
OPJ_BOOL	opj_stream_has_seek (const opj_stream_private_t *p_stream)
	Tells if the given stream is seekable. More...
OPJ_SIZE_T	opj_stream_default_read (void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
	FIXME DOC. More...
OPJ_SIZE_T	opj_stream_default_write (void *p_buffer, OPJ_SIZE_T p_nb_bytes, void *p_user_data)
	FIXME DOC. More...
OPJ_OFF_T	opj_stream_default_skip (OPJ_OFF_T p_nb_bytes, void *p_user_data)
	FIXME DOC. More...
OPJ_BOOL	opj_stream_default_seek (OPJ_OFF_T p_nb_bytes, void *p_user_data)
	FIXME DOC. More...

Detailed Description

Implementation of a byte input-output process (CIO)

The functions in CIO.C have for goal to realize a byte input / output process.