2006-10-30 16:32:50 +01:00
/*
* Copyright ( c ) 2001 - 2003 , David Janssens
* Copyright ( c ) 2002 - 2003 , Yannick Verschueren
* Copyright ( c ) 2003 - 2005 , Francois Devaux and Antonin Descampe
2011-01-29 15:15:26 +01:00
* Copyright ( c ) 2005 , Herve Drolon , FreeImage Team
2006-10-30 16:32:50 +01:00
* Copyright ( c ) 2002 - 2005 , Communications and remote sensing Laboratory , Universite catholique de Louvain , Belgium
* Copyright ( c ) 2006 , M <EFBFBD> nica D <EFBFBD> ez Garc <EFBFBD> a , Image Processing Laboratory , University of Valladolid , Spain
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* 1. Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* 2. Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ` AS IS '
* AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED . IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR
* CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO , PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR PROFITS ; OR BUSINESS
* INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY , WHETHER IN
* CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE )
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE .
*/
# ifndef OPENJPEG_H
# define OPENJPEG_H
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Compiler directives
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
# if defined(OPJ_STATIC) || !(defined(WIN32) || defined(__WIN32__))
# define OPJ_API
# define OPJ_CALLCONV
# else
# define OPJ_CALLCONV __stdcall
/*
The following ifdef block is the standard way of creating macros which make exporting
from a DLL simpler . All files within this DLL are compiled with the OPJ_EXPORTS
symbol defined on the command line . this symbol should not be defined on any project
that uses this DLL . This way any other project whose source files include this file see
OPJ_API functions as being imported from a DLL , wheras this DLL sees symbols
defined with this macro as being exported .
*/
# ifdef OPJ_EXPORTS
# define OPJ_API __declspec(dllexport)
# else
# define OPJ_API __declspec(dllimport)
# endif /* OPJ_EXPORTS */
# endif /* !OPJ_STATIC || !WIN32 */
# ifndef __cplusplus
# if defined(HAVE_STDBOOL_H)
/*
The C language implementation does correctly provide the standard header
file " stdbool.h " .
*/
# include <stdbool.h>
# else
/*
The C language implementation does not provide the standard header file
" stdbool.h " as required by ISO / IEC 9899 : 1999. Try to compensate for this
braindamage below .
*/
# if !defined(bool)
# define bool int
# endif
# if !defined(true)
# define true 1
# endif
# if !defined(false)
# define false 0
# endif
# endif
# endif /* __cplusplus */
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Useful constant definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
# ifndef MAX_SLICES
# define MAX_SLICES 300 /**< Maximum allowed size for slices */
# endif /* MAX_PATH */
# ifndef MAX_PATH
# define MAX_PATH 260 /**< Maximum allowed size for filenames */
# endif /* MAX_PATH */
# define J3D_MAXRLVLS 32 /**< Number of maximum resolution level authorized */
# define J3D_MAXBANDS (7*J3D_MAXRLVLS + 1) /**< Number of maximum sub-band linked to number of resolution level */
# define TINY 1.0E-20
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
enum definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
# define J2K_CFMT 0
# define J3D_CFMT 1
# define LSE_CFMT 2
# define BIN_DFMT 0
# define PGX_DFMT 1
# define IMG_DFMT 2
/* ----------------------------------------------------------------------- */
/** Progression order */
typedef enum PROG_ORDER {
/**< place-holder */
PROG_UNKNOWN = - 1 ,
/**< layer-resolution-component-precinct order */
LRCP = 0 ,
/**< resolution-layer-component-precinct order */
RLCP = 1 ,
/**< resolution-precinct-component-layer order */
RPCL = 2 ,
/**< precinct-component-resolution-layer order */
PCRL = 3 ,
/**< component-precinct-resolution-layer order */
CPRL = 4
} OPJ_PROG_ORDER ;
/**
Supported volume color spaces
*/
typedef enum COLOR_SPACE {
/**< place-holder */
CLRSPC_UNKNOWN = - 1 ,
/**< sRGB */
CLRSPC_SRGB = 1 ,
/**< grayscale */
CLRSPC_GRAY = 2 ,
/**< YUV */
CLRSPC_SYCC = 3
} OPJ_COLOR_SPACE ;
/**
Supported codec
*/
typedef enum CODEC_FORMAT {
/**< place-holder */
CODEC_UNKNOWN = - 1 ,
/**< JPEG-2000 codestream : read/write */
CODEC_J2K = 0 ,
/**< JPEG-2000 Part 10 file format : read/write */
CODEC_J3D = 1
} OPJ_CODEC_FORMAT ;
/**
Supported entropy coding algorithms
*/
typedef enum ENTROPY_CODING {
/**< place-holder */
ENCOD_UNKNOWN = - 1 ,
/**< 2D EBCOT encoding */
ENCOD_2EB = 0 ,
/**< 3D EBCOT encoding */
ENCOD_3EB = 1 ,
/**< Golomb-Rice coding with 2D context */
ENCOD_2GR = 2 ,
/**< Golomb-Rice coding with 3D context */
ENCOD_3GR = 3
} OPJ_ENTROPY_CODING ;
/**
Supported transforms
*/
typedef enum TRANSFORM {
/**< place-holder */
TRF_UNKNOWN = - 1 ,
/**< 2D DWT, no transform in axial dim */
TRF_2D_DWT = 0 ,
/**< 3D DWT */
TRF_3D_DWT = 1 ,
/**< 3D prediction*/
TRF_3D_RLS = 2 ,
TRF_3D_LSE = 3
} OPJ_TRANSFORM ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
event manager typedef definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/**
Callback function prototype for events
@ param msg Event message
@ param client_data
*/
typedef void ( * opj_msg_callback ) ( const char * msg , void * client_data ) ;
/**
Message handler object
used for
< ul >
< li > Error messages
< li > Warning messages
< li > Debugging messages
< / ul >
*/
typedef struct opj_event_mgr {
/** Error message callback if available, NULL otherwise */
opj_msg_callback error_handler ;
/** Warning message callback if available, NULL otherwise */
opj_msg_callback warning_handler ;
/** Debug message callback if available, NULL otherwise */
opj_msg_callback info_handler ;
} opj_event_mgr_t ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
codec typedef definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/**
Progression order changes
*/
typedef struct opj_poc {
int resno0 , compno0 ;
int layno1 , resno1 , compno1 ;
OPJ_PROG_ORDER prg ;
int tile ;
char progorder [ 4 ] ;
} opj_poc_t ;
/**
Compression parameters
*/
typedef struct opj_cparameters {
/** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
bool tile_size_on ;
/** XTOsiz */
int cp_tx0 ;
/** YTOsiz */
int cp_ty0 ;
/** ZTOsiz */
int cp_tz0 ;
/** XTsiz */
int cp_tdx ;
/** YTsiz */
int cp_tdy ;
/** ZTsiz */
int cp_tdz ;
/** allocation by rate/distortion */
int cp_disto_alloc ;
/** allocation by fixed layer */
int cp_fixed_alloc ;
/** add fixed_quality */
int cp_fixed_quality ;
/** fixed layer */
int * cp_matrice ;
/** number of layers */
int tcp_numlayers ;
/** rates for successive layers */
float tcp_rates [ 100 ] ;
/** psnr's for successive layers */
float tcp_distoratio [ 100 ] ;
/** comment for coding */
char * cp_comment ;
/** csty : coding style */
int csty ;
/** DC offset (DCO) */
int dcoffset ;
/** progression order (default LRCP) */
OPJ_PROG_ORDER prog_order ;
/** progression order changes */
opj_poc_t POC [ J3D_MAXRLVLS - 1 ] ;
/** number of progression order changes (POC), default to 0 */
int numpocs ;
/** number of resolutions */
int numresolution [ 3 ] ;
/** initial code block width, height and depth, default to 64 */
int cblock_init [ 3 ] ;
/** mode switch (1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL) 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)) */
int mode ;
/** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
int irreversible ;
/** WT from ATK, default to 0 (false), no of atk used */
int atk_wt [ 3 ] ;
/** region of interest: affected component in [0..3], -1 means no ROI */
int roi_compno ;
/** region of interest: upshift value */
int roi_shift ;
/* number of precinct size specifications */
int res_spec ;
/** initial precinct width */
int prct_init [ 3 ] [ J3D_MAXRLVLS ] ;
/** transform format 0: 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */
OPJ_TRANSFORM transform_format ;
/** output file format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI */
OPJ_ENTROPY_CODING encoding_format ;
/**@name command line encoder parameters (not used inside the library) */
/*@{*/
char infile [ MAX_PATH ] ; /** input file name */
char outfile [ MAX_PATH ] ; /** output file name */
char imgfile [ MAX_PATH ] ; /** IMG file name for BIN volumes*/
int index_on ; /** creation of an index file, default to 0 (false) */
char index [ MAX_PATH ] ; /** index file name */
int volume_offset_x0 ; /** subvolume encoding: origin volume offset in x, y and z direction */
int volume_offset_y0 ;
int volume_offset_z0 ;
int subsampling_dx ; /** subsampling value for dx */
int subsampling_dy ;
int subsampling_dz ;
int decod_format ; /** input file format 0: BIN, 1: PGX */
int cod_format ; /** output file format 0: JP3D */
/*@}*/
} opj_cparameters_t ;
/**
Decompression parameters
*/
typedef struct opj_dparameters {
/** Set the number of highest resolution levels to be discarded. if != 0, then original dimension divided by 2^(reduce); if == 0 or not used, volume is decoded to the full resolution */
int cp_reduce [ 3 ] ;
/** Set the maximum number of quality layers to decode. if != 0, then only the first "layer" layers are decoded; if == 0 or not used, all the quality layers are decoded */
int cp_layer ;
int bigendian ;
/**@name command line encoder parameters (not used inside the library) */
/*@{*/
/** input file name */
char infile [ MAX_PATH ] ;
/** output file name */
char outfile [ MAX_PATH ] ;
/** IMG file name for BIN volumes*/
char imgfile [ MAX_PATH ] ;
/** Original file name for PSNR measures*/
char original [ MAX_PATH ] ;
/** input file format 0: J2K, 1: JP3D */
int decod_format ;
/** input file format 0: BIN, 1: PGM */
int cod_format ;
/** original file format 0: BIN, 1: PGM */
int orig_format ;
/*@}*/
} opj_dparameters_t ;
/** Common fields between JPEG-2000 compression and decompression master structs. */
# define opj_common_fields \
opj_event_mgr_t * event_mgr ; /**< pointer to the event manager */ \
void * client_data ; /**< Available for use by application */ \
bool is_decompressor ; /**< So common code can tell which is which */ \
OPJ_CODEC_FORMAT codec_format ; /**< selected codec */ \
OPJ_ENTROPY_CODING encoding_format ; /**< selected entropy coding */ \
OPJ_TRANSFORM transform_format ; /**< selected transform */ \
void * j3d_handle /**< pointer to the J3D codec */
/* Routines that are to be used by both halves of the library are declared
* to receive a pointer to this structure . There are no actual instances of
* opj_common_struct_t , only of opj_cinfo_t and opj_dinfo_t .
*/
typedef struct opj_common_struct {
opj_common_fields ; /* Fields common to both master struct types */
/* Additional fields follow in an actual opj_cinfo_t or
* opj_dinfo_t . All three structs must agree on these
* initial fields ! ( This would be a lot cleaner in C + + . )
*/
} opj_common_struct_t ;
typedef opj_common_struct_t * opj_common_ptr ;
/**
Compression context info
*/
typedef struct opj_cinfo {
/** Fields shared with opj_dinfo_t */
opj_common_fields ;
/* other specific fields go here */
} opj_cinfo_t ;
/**
Decompression context info
*/
typedef struct opj_dinfo {
/** Fields shared with opj_cinfo_t */
opj_common_fields ;
/* other specific fields go here */
} opj_dinfo_t ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
I / O stream typedef definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/*
* Stream open flags .
*/
/** The stream was opened for reading. */
# define OPJ_STREAM_READ 0x0001
/** The stream was opened for writing. */
# define OPJ_STREAM_WRITE 0x0002
/**
Byte input - output stream ( CIO )
*/
typedef struct opj_cio {
/** codec context */
opj_common_ptr cinfo ;
/** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */
int openmode ;
/** pointer to the start of the buffer */
unsigned char * buffer ;
/** buffer size in bytes */
int length ;
/** pointer to the start of the stream */
unsigned char * start ;
/** pointer to the end of the stream */
unsigned char * end ;
/** pointer to the current position */
unsigned char * bp ;
} opj_cio_t ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
volume typedef definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/**
Defines a single volume component
*/
typedef struct opj_volume_comp {
/** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
int dx ;
/** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
int dy ;
/** ZRsiz: vertical separation of a sample of ith component with respect to the reference grid */
int dz ;
/** data width */
int w ;
/** data height */
int h ;
/** data length : no of slices */
int l ;
/** x component offset compared to the whole volume */
int x0 ;
/** y component offset compared to the whole volume */
int y0 ;
/** z component offset compared to the whole volume */
int z0 ;
/** precision */
int prec ;
/** volume depth in bits */
int bpp ;
/** DC offset (15444-2) */
int dcoffset ;
/** signed (1) / unsigned (0) */
int sgnd ;
/** BE byte order (1) / LE byte order (0) */
int bigendian ;
/** number of decoded resolution */
int resno_decoded [ 3 ] ;
/** number of division by 2 of the out volume compared to the original size of volume */
int factor [ 3 ] ;
/** volume component data */
int * data ;
} opj_volume_comp_t ;
/**
Defines volume data and characteristics
*/
typedef struct opj_volume {
/** XOsiz: horizontal offset from the origin of the reference grid to the left side of the volume area */
int x0 ;
/** YOsiz: vertical offset from the origin of the reference grid to the top side of the volume area */
int y0 ;
/** ZOsiz: vertical offset from the origin of the reference grid to the top side of the volume area */
int z0 ;
/** Xsiz: width of the reference grid */
int x1 ;
/** Ysiz: height of the reference grid */
int y1 ;
/** Zsiz: length of the reference grid */
int z1 ;
/** number of components in the volume */
int numcomps ;
/** number of slices in the volume */
int numslices ;
/** color space: sRGB, Greyscale or YUV */
OPJ_COLOR_SPACE color_space ;
/** volume components */
opj_volume_comp_t * comps ;
} opj_volume_t ;
/**
Component parameters structure used by the opj_volume_create function
*/
typedef struct opj_volume_comptparm {
/** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
int dx ;
/** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
int dy ;
/** ZRsiz: axial separation of a sample of ith component with respect to the reference grid */
int dz ;
/** data width */
int w ;
/** data height */
int h ;
/** data length */
int l ;
/** x component offset compared to the whole volume */
int x0 ;
/** y component offset compared to the whole volume */
int y0 ;
/** z component offset compared to the whole volume */
int z0 ;
/** precision */
int prec ;
/** volume depth in bits */
int bpp ;
/** signed (1) / unsigned (0) */
int sgnd ;
/** DC offset*/
int dcoffset ;
/** BE byte order (1) / LE byte order (0) */
int bigendian ;
} opj_volume_cmptparm_t ;
# ifdef __cplusplus
extern " C " {
# endif
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
openjpeg version
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
OPJ_API const char * OPJ_CALLCONV opj_version ( ) ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
volume functions definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/**
Create an volume
@ param numcmpts number of components
@ param cmptparms components parameters
@ param clrspc volume color space
@ return returns a new volume structure if successful , returns NULL otherwise
*/
OPJ_API opj_volume_t * OPJ_CALLCONV opj_volume_create ( int numcmpts , opj_volume_cmptparm_t * cmptparms , OPJ_COLOR_SPACE clrspc ) ;
/**
Deallocate any resources associated with an volume
@ param volume volume to be destroyed
*/
OPJ_API void OPJ_CALLCONV opj_volume_destroy ( opj_volume_t * volume ) ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
stream functions definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/**
Open and allocate a memory stream for read / write .
On reading , the user must provide a buffer containing encoded data . The buffer will be
wrapped by the returned CIO handle .
On writing , buffer parameters must be set to 0 : a buffer will be allocated by the library
to contain encoded data .
@ param cinfo Codec context info
@ param buffer Reading : buffer address . Writing : NULL
@ param length Reading : buffer length . Writing : 0
@ return Returns a CIO handle if successful , returns NULL otherwise
*/
OPJ_API opj_cio_t * OPJ_CALLCONV opj_cio_open ( opj_common_ptr cinfo , unsigned char * buffer , int length ) ;
/**
Close and free a CIO handle
@ param cio CIO handle to free
*/
OPJ_API void OPJ_CALLCONV opj_cio_close ( opj_cio_t * cio ) ;
/**
Get position in byte stream
@ param cio CIO handle
@ return Returns the position in bytes
*/
OPJ_API int OPJ_CALLCONV cio_tell ( opj_cio_t * cio ) ;
/**
Set position in byte stream
@ param cio CIO handle
@ param pos Position , in number of bytes , from the beginning of the stream
*/
OPJ_API void OPJ_CALLCONV cio_seek ( opj_cio_t * cio , int pos ) ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
event manager functions definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
OPJ_API opj_event_mgr_t * OPJ_CALLCONV opj_set_event_mgr ( opj_common_ptr cinfo , opj_event_mgr_t * event_mgr , void * context ) ;
/*
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
codec functions definitions
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
*/
/**
Creates a J3D decompression structure
@ param format Decoder to select
@ return Returns a handle to a decompressor if successful , returns NULL otherwise
*/
OPJ_API opj_dinfo_t * OPJ_CALLCONV opj_create_decompress ( OPJ_CODEC_FORMAT format ) ;
/**
Destroy a decompressor handle
@ param dinfo decompressor handle to destroy
*/
OPJ_API void OPJ_CALLCONV opj_destroy_decompress ( opj_dinfo_t * dinfo ) ;
/**
Set decoding parameters to default values
@ param parameters Decompression parameters
*/
OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters ( opj_dparameters_t * parameters ) ;
/**
Setup the decoder decoding parameters using user parameters .
Decoding parameters are returned in j3d - > cp .
@ param dinfo decompressor handle
@ param parameters decompression parameters
*/
OPJ_API void OPJ_CALLCONV opj_setup_decoder ( opj_dinfo_t * dinfo , opj_dparameters_t * parameters ) ;
/**
Decode an volume from a JPEG - 2000 codestream
@ param dinfo decompressor handle
@ param cio Input buffer stream
@ return Returns a decoded volume if successful , returns NULL otherwise
*/
OPJ_API opj_volume_t * OPJ_CALLCONV opj_decode ( opj_dinfo_t * dinfo , opj_cio_t * cio ) ;
/**
Creates a J3D / JP2 compression structure
@ param format Coder to select
@ return Returns a handle to a compressor if successful , returns NULL otherwise
*/
OPJ_API opj_cinfo_t * OPJ_CALLCONV opj_create_compress ( OPJ_CODEC_FORMAT format ) ;
/**
Destroy a compressor handle
@ param cinfo compressor handle to destroy
*/
OPJ_API void OPJ_CALLCONV opj_destroy_compress ( opj_cinfo_t * cinfo ) ;
/**
Set encoding parameters to default values , that means :
< ul >
< li > Lossless
< li > 1 tile
< li > Size of precinct : 2 ^ 15 x 2 ^ 15 ( means 1 precinct )
< li > Size of code - block : 64 x 64
< li > Number of resolutions : 6
< li > No SOP marker in the codestream
< li > No EPH marker in the codestream
< li > No sub - sampling in x or y direction
< li > No mode switch activated
< li > Progression order : LRCP
< li > No index file
< li > No ROI upshifted
< li > No offset of the origin of the volume
< li > No offset of the origin of the tiles
< li > Reversible DWT 5 - 3
< / ul >
@ param parameters Compression parameters
*/
OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters ( opj_cparameters_t * parameters ) ;
/**
Setup the encoder parameters using the current volume and using user parameters .
@ param cinfo compressor handle
@ param parameters compression parameters
@ param volume input filled volume
*/
OPJ_API void OPJ_CALLCONV opj_setup_encoder ( opj_cinfo_t * cinfo , opj_cparameters_t * parameters , opj_volume_t * volume ) ;
/**
Encode an volume into a JPEG - 2000 codestream
@ param cinfo compressor handle
@ param cio Output buffer stream
@ param volume Volume to encode
@ param index Name of the index file if required , NULL otherwise
@ return Returns true if successful , returns false otherwise
*/
OPJ_API bool OPJ_CALLCONV opj_encode ( opj_cinfo_t * cinfo , opj_cio_t * cio , opj_volume_t * volume , char * index ) ;
# ifdef __cplusplus
}
# endif
# endif /* OPENJPEG_H */
