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

Variables
static const size_t	first_pool_slop [JPOOL_NUMPOOLS]
static const size_t	extra_pool_slop [JPOOL_NUMPOOLS]

Macro Definition Documentation

ALIGN_TYPE

#define ALIGN_TYPE   double

AM_MEMORY_MANAGER

#define AM_MEMORY_MANAGER   /* we define jvirt_Xarray_control structs */

JPEG_INTERNALS

#define JPEG_INTERNALS

MIN_SLOP

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

Typedef Documentation

large_pool_hdr

typedef union large_pool_struct large_pool_hdr

large_pool_ptr

typedef union large_pool_struct FAR* large_pool_ptr

my_mem_ptr

typedef my_memory_mgr* my_mem_ptr

small_pool_hdr

typedef union small_pool_struct small_pool_hdr

small_pool_ptr

typedef union small_pool_struct* small_pool_ptr

Function Documentation

access_virt_barray()

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

access_virt_sarray()

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

alloc_barray()

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

alloc_large()

alloc_large	(	j_common_ptr	cinfo,
		int	pool_id,
		size_t	sizeofobject )

alloc_sarray()

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

alloc_small()

alloc_small	(	j_common_ptr	cinfo,
		int	pool_id,
		size_t	sizeofobject )

do_barray_io()

do_barray_io	(	j_common_ptr	cinfo,
		jvirt_barray_ptr	ptr,
		boolean	writing )

do_sarray_io()

do_sarray_io	(	j_common_ptr	cinfo,
		jvirt_sarray_ptr	ptr,
		boolean	writing )

free_pool()

free_pool	(	j_common_ptr	cinfo,
		int	pool_id )

jinit_memory_mgr()

jinit_memory_mgr

(

j_common_ptr

cinfo

)

out_of_memory()

out_of_memory	(	j_common_ptr	cinfo,
		int	which )

realize_virt_arrays()

realize_virt_arrays

(

j_common_ptr

cinfo

)

request_virt_barray()

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

request_virt_sarray()

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

self_destruct()

self_destruct

(

j_common_ptr

cinfo

)

Variable Documentation

extra_pool_slop

const size_t extra_pool_slop[JPOOL_NUMPOOLS]

static

Initial value:

                                    =
{
        0,                      
        5000                    
}

first_pool_slop

const size_t first_pool_slop[JPOOL_NUMPOOLS]

static

Initial value:

                                    =
{
        1600,                   
        16000                   
}