OpenJPEG: cio.h File Reference

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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

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

## Enumerations
enum | opj_stream_flag { opj_signed_sentinel = -1, opj_stream_e_output = 0x1, opj_stream_e_input = 0x2, opj_stream_e_end = 0x4, opj_stream_e_error = 0x8 }

## 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.