jmemmgr.c File Reference

#include "jinclude.h"
#include "jpeglib.h"
#include "jmemsys.h"

Go to the source code of this file.

Classes
union	small_pool_struct
union	large_pool_struct
struct	my_memory_mgr
struct	jvirt_sarray_control
struct	jvirt_barray_control

Macros
#define	JPEG_INTERNALS
#define	AM_MEMORY_MANAGER   /* we define jvirt_Xarray_control structs */
#define	ALIGN_TYPE   double
#define	MIN_SLOP   50 /* greater than 0 to avoid futile looping */

Typedefs
typedef union small_pool_struct *	small_pool_ptr
typedef union small_pool_struct	small_pool_hdr
typedef union large_pool_struct FAR *	large_pool_ptr
typedef union large_pool_struct	large_pool_hdr
typedef my_memory_mgr *	my_mem_ptr

Functions
LOCAL void	out_of_memory (j_common_ptr cinfo, int which)
METHODDEF void *	alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
METHODDEF void FAR *	alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
METHODDEF JSAMPARRAY	alloc_sarray (j_common_ptr cinfo, int pool_id, JDIMENSION samplesperrow, JDIMENSION numrows)
METHODDEF JBLOCKARRAY	alloc_barray (j_common_ptr cinfo, int pool_id, JDIMENSION blocksperrow, JDIMENSION numrows)
METHODDEF jvirt_sarray_ptr	request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero, JDIMENSION samplesperrow, JDIMENSION numrows, JDIMENSION maxaccess)
METHODDEF jvirt_barray_ptr	request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero, JDIMENSION blocksperrow, JDIMENSION numrows, JDIMENSION maxaccess)
METHODDEF void	realize_virt_arrays (j_common_ptr cinfo)
LOCAL void	do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
LOCAL void	do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
METHODDEF JSAMPARRAY	access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr, JDIMENSION start_row, JDIMENSION num_rows, boolean writable)
METHODDEF JBLOCKARRAY	access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr, JDIMENSION start_row, JDIMENSION num_rows, boolean writable)
METHODDEF void	free_pool (j_common_ptr cinfo, int pool_id)
METHODDEF void	self_destruct (j_common_ptr cinfo)
GLOBAL void	jinit_memory_mgr (j_common_ptr cinfo)

Macro Definition Documentation

#define ALIGN_TYPE   double

Definition at line 73 of file jmemmgr.c.

#define AM_MEMORY_MANAGER   /* we define jvirt_Xarray_control structs */

Definition at line 28 of file jmemmgr.c.

#define JPEG_INTERNALS

Definition at line 27 of file jmemmgr.c.

#define MIN_SLOP   50 /* greater than 0 to avoid futile looping */

Definition at line 253 of file jmemmgr.c.

Typedef Documentation

typedef union large_pool_struct large_pool_hdr

typedef union large_pool_struct FAR* large_pool_ptr

Definition at line 100 of file jmemmgr.c.

typedef my_memory_mgr* my_mem_ptr

Definition at line 140 of file jmemmgr.c.

typedef union small_pool_struct small_pool_hdr

typedef union small_pool_struct* small_pool_ptr

Definition at line 89 of file jmemmgr.c.

Function Documentation

METHODDEF JBLOCKARRAY access_virt_barray	(	j_common_ptr	cinfo,
		jvirt_barray_ptr	ptr,
		JDIMENSION	start_row,
		JDIMENSION	num_rows,
		boolean	writable
	)

Definition at line 841 of file jmemmgr.c.

METHODDEF JSAMPARRAY access_virt_sarray	(	j_common_ptr	cinfo,
		jvirt_sarray_ptr	ptr,
		JDIMENSION	start_row,
		JDIMENSION	num_rows,
		boolean	writable
	)

Definition at line 756 of file jmemmgr.c.

METHODDEF JBLOCKARRAY alloc_barray	(	j_common_ptr	cinfo,
		int	pool_id,
		JDIMENSION	blocksperrow,
		JDIMENSION	numrows
	)

Definition at line 443 of file jmemmgr.c.

METHODDEF void FAR* alloc_large	(	j_common_ptr	cinfo,
		int	pool_id,
		size_t	sizeofobject
	)

Definition at line 342 of file jmemmgr.c.

METHODDEF JSAMPARRAY alloc_sarray	(	j_common_ptr	cinfo,
		int	pool_id,
		JDIMENSION	samplesperrow,
		JDIMENSION	numrows
	)

Definition at line 395 of file jmemmgr.c.

METHODDEF void* alloc_small	(	j_common_ptr	cinfo,
		int	pool_id,
		size_t	sizeofobject
	)

Definition at line 257 of file jmemmgr.c.

LOCAL void do_barray_io	(	j_common_ptr	cinfo,
		jvirt_barray_ptr	ptr,
		boolean	writing
	)

Definition at line 723 of file jmemmgr.c.

LOCAL void do_sarray_io	(	j_common_ptr	cinfo,
		jvirt_sarray_ptr	ptr,
		boolean	writing
	)

Definition at line 690 of file jmemmgr.c.

METHODDEF void free_pool	(	j_common_ptr	cinfo,
		int	pool_id
	)

Definition at line 930 of file jmemmgr.c.

GLOBAL void jinit_memory_mgr

(

j_common_ptr

cinfo

)

Definition at line 1028 of file jmemmgr.c.

LOCAL void out_of_memory	(	j_common_ptr	cinfo,
		int	which
	)

Definition at line 217 of file jmemmgr.c.

METHODDEF void realize_virt_arrays

(

j_common_ptr

cinfo

)

Definition at line 583 of file jmemmgr.c.

METHODDEF jvirt_barray_ptr request_virt_barray	(	j_common_ptr	cinfo,
		int	pool_id,
		boolean	pre_zero,
		JDIMENSION	blocksperrow,
		JDIMENSION	numrows,
		JDIMENSION	maxaccess
	)

Definition at line 553 of file jmemmgr.c.

METHODDEF jvirt_sarray_ptr request_virt_sarray	(	j_common_ptr	cinfo,
		int	pool_id,
		boolean	pre_zero,
		JDIMENSION	samplesperrow,
		JDIMENSION	numrows,
		JDIMENSION	maxaccess
	)

Definition at line 523 of file jmemmgr.c.

METHODDEF void self_destruct

(

j_common_ptr

cinfo

)

Definition at line 1002 of file jmemmgr.c.