-/*\r
- * Copyright (c) 2001-2003, David Janssens\r
- * Copyright (c) 2002-2003, Yannick Verschueren\r
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe\r
- * Copyright (c) 2005, Herve Drolon, FreeImage Team\r
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium\r
- * Copyright (c) 2006, M�nica D�ez Garc�a, Image Processing Laboratory, University of Valladolid, Spain\r
- * All rights reserved.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
- * POSSIBILITY OF SUCH DAMAGE.\r
- */\r
-#ifndef OPENJPEG_H\r
-#define OPENJPEG_H\r
-\r
-/* \r
-==========================================================\r
- Compiler directives\r
-==========================================================\r
-*/\r
-\r
-#if defined(OPJ_STATIC) || !defined(_WIN32)\r
-/* http://gcc.gnu.org/wiki/Visibility */\r
-#if __GNUC__ >= 4\r
-#define OPJ_API __attribute__ ((visibility ("default")))\r
-#define OPJ_LOCAL __attribute__ ((visibility ("hidden")))\r
-#else\r
-#define OPJ_API\r
-#define OPJ_LOCAL\r
-#endif\r
-#define OPJ_CALLCONV\r
-#else\r
-#define OPJ_CALLCONV __stdcall\r
-\r
-/*\r
-The following ifdef block is the standard way of creating macros which make exporting \r
-from a DLL simpler. All files within this DLL are compiled with the OPJ_EXPORTS\r
-symbol defined on the command line. this symbol should not be defined on any project\r
-that uses this DLL. This way any other project whose source files include this file see \r
-OPJ_API functions as being imported from a DLL, wheras this DLL sees symbols\r
-defined with this macro as being exported.\r
-*/\r
-#if defined(OPJ_EXPORTS) || defined(DLL_EXPORT)\r
-#define OPJ_API __declspec(dllexport)\r
-#else\r
-#define OPJ_API __declspec(dllimport)\r
-#endif /* OPJ_EXPORTS */\r
-#endif /* !OPJ_STATIC || !WIN32 */\r
-\r
-#ifndef __cplusplus\r
-#if defined(HAVE_STDBOOL_H)\r
-/*\r
-The C language implementation does correctly provide the standard header\r
-file "stdbool.h".\r
- */\r
-#include <stdbool.h>\r
-#else\r
-/*\r
-The C language implementation does not provide the standard header file\r
-"stdbool.h" as required by ISO/IEC 9899:1999. Try to compensate for this\r
-braindamage below.\r
-*/\r
-#if !defined(bool)\r
-#define bool int\r
-#endif\r
-#if !defined(true)\r
-#define true 1\r
-#endif\r
-#if !defined(false)\r
-#define false 0\r
-#endif\r
-#endif\r
-#endif /* __cplusplus */\r
-\r
-/* \r
-==========================================================\r
- Useful constant definitions\r
-==========================================================\r
-*/\r
-#ifndef MAX_SLICES\r
-#define MAX_SLICES 300 /**< Maximum allowed size for slices */\r
-#endif /* MAX_PATH */\r
-\r
-#ifndef MAX_PATH\r
-#define MAX_PATH 260 /**< Maximum allowed size for filenames */\r
-#endif /* MAX_PATH */\r
-\r
-#define J3D_MAXRLVLS 32 /**< Number of maximum resolution level authorized */\r
-#define J3D_MAXBANDS (7*J3D_MAXRLVLS + 1) /**< Number of maximum sub-band linked to number of resolution level */\r
-\r
-#define TINY 1.0E-20\r
-/* \r
-==========================================================\r
- enum definitions\r
-==========================================================\r
-*/\r
-\r
-#define J2K_CFMT 0\r
-#define J3D_CFMT 1\r
-#define LSE_CFMT 2\r
-\r
-#define BIN_DFMT 0\r
-#define PGX_DFMT 1\r
-#define IMG_DFMT 2\r
-/* ----------------------------------------------------------------------- */\r
-\r
-/** Progression order */\r
-typedef enum PROG_ORDER {\r
-/**< place-holder */ \r
- PROG_UNKNOWN = -1, \r
-/**< layer-resolution-component-precinct order */ \r
- LRCP = 0, \r
-/**< resolution-layer-component-precinct order */ \r
- RLCP = 1, \r
-/**< resolution-precinct-component-layer order */ \r
- RPCL = 2, \r
-/**< precinct-component-resolution-layer order */ \r
- PCRL = 3, \r
-/**< component-precinct-resolution-layer order */ \r
- CPRL = 4 \r
-} OPJ_PROG_ORDER;\r
-\r
-/**\r
-Supported volume color spaces\r
-*/\r
-typedef enum COLOR_SPACE {\r
-/**< place-holder */ \r
- CLRSPC_UNKNOWN = -1, \r
-/**< sRGB */ \r
- CLRSPC_SRGB = 1, \r
-/**< grayscale */ \r
- CLRSPC_GRAY = 2, \r
-/**< YUV */ \r
- CLRSPC_SYCC = 3 \r
-} OPJ_COLOR_SPACE;\r
-\r
-/**\r
-Supported codec\r
-*/\r
-typedef enum CODEC_FORMAT {\r
- /**< place-holder */\r
- CODEC_UNKNOWN = -1,\r
-/**< JPEG-2000 codestream : read/write */\r
- CODEC_J2K = 0, \r
-/**< JPEG-2000 Part 10 file format : read/write */\r
- CODEC_J3D = 1 \r
-} OPJ_CODEC_FORMAT;\r
-\r
-/**\r
-Supported entropy coding algorithms\r
-*/\r
-typedef enum ENTROPY_CODING {\r
-/**< place-holder */\r
- ENCOD_UNKNOWN = -1,\r
-/**< 2D EBCOT encoding */\r
- ENCOD_2EB = 0, \r
-/**< 3D EBCOT encoding */\r
- ENCOD_3EB = 1, \r
-/**< Golomb-Rice coding with 2D context */\r
- ENCOD_2GR = 2, \r
-/**< Golomb-Rice coding with 3D context */\r
- ENCOD_3GR = 3 \r
-} OPJ_ENTROPY_CODING;\r
-\r
-/**\r
-Supported transforms\r
-*/\r
-typedef enum TRANSFORM {\r
-/**< place-holder */\r
- TRF_UNKNOWN = -1, \r
-/**< 2D DWT, no transform in axial dim */\r
- TRF_2D_DWT = 0, \r
-/**< 3D DWT */\r
- TRF_3D_DWT = 1, \r
-/**< 3D prediction*/\r
- TRF_3D_RLS = 2, \r
- TRF_3D_LSE = 3\r
-} OPJ_TRANSFORM;\r
-/* \r
-==========================================================\r
- event manager typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Callback function prototype for events\r
-@param msg Event message\r
-@param client_data \r
-*/\r
-typedef void (*opj_msg_callback) (const char *msg, void *client_data);\r
-\r
-/**\r
-Message handler object\r
-used for \r
-<ul>\r
-<li>Error messages\r
-<li>Warning messages\r
-<li>Debugging messages\r
-</ul>\r
-*/\r
-typedef struct opj_event_mgr {\r
- /** Error message callback if available, NULL otherwise */\r
- opj_msg_callback error_handler;\r
- /** Warning message callback if available, NULL otherwise */\r
- opj_msg_callback warning_handler;\r
- /** Debug message callback if available, NULL otherwise */\r
- opj_msg_callback info_handler;\r
-} opj_event_mgr_t;\r
-\r
-\r
-/* \r
-==========================================================\r
- codec typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Progression order changes\r
-*/\r
-typedef struct opj_poc {\r
- int resno0, compno0;\r
- int layno1, resno1, compno1;\r
- OPJ_PROG_ORDER prg;\r
- int tile;\r
- char progorder[4];\r
-} opj_poc_t;\r
-\r
-\r
-/**\r
-Compression parameters\r
-*/\r
-typedef struct opj_cparameters {\r
-/** size of tile: tile_size_on = false (not in argument) or = true (in argument) */\r
- bool tile_size_on; \r
-/** XTOsiz */\r
- int cp_tx0;\r
-/** YTOsiz */\r
- int cp_ty0; \r
-/** ZTOsiz */\r
- int cp_tz0; \r
-\r
-/** XTsiz */\r
- int cp_tdx; \r
-/** YTsiz */\r
- int cp_tdy; \r
-/** ZTsiz */\r
- int cp_tdz; \r
- \r
-/** allocation by rate/distortion */\r
- int cp_disto_alloc; \r
-/** allocation by fixed layer */ \r
- int cp_fixed_alloc; \r
-/** add fixed_quality */ \r
- int cp_fixed_quality; \r
-/** fixed layer */\r
- int *cp_matrice;\r
-/** number of layers */\r
- int tcp_numlayers;\r
-/** rates for successive layers */\r
- float tcp_rates[100];\r
-/** psnr's for successive layers */\r
- float tcp_distoratio[100]; \r
-/** comment for coding */\r
- char *cp_comment;\r
-/** csty : coding style */\r
- int csty; \r
-/** DC offset (DCO) */\r
- int dcoffset;\r
-/** progression order (default LRCP) */\r
- OPJ_PROG_ORDER prog_order; \r
-/** progression order changes */\r
- opj_poc_t POC[J3D_MAXRLVLS-1]; \r
-/** number of progression order changes (POC), default to 0 */\r
- int numpocs; \r
-\r
-/** number of resolutions */\r
- int numresolution[3]; \r
-/** initial code block width, height and depth, default to 64 */\r
- int cblock_init[3]; \r
-/** mode switch (1=BYPASS(LAZY) 2=RESET 4=RESTART(TERMALL) 8=VSC 16=ERTERM(SEGTERM) 32=SEGMARK(SEGSYM)) */\r
- int mode; \r
-\r
-/** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */\r
- int irreversible; \r
-/** WT from ATK, default to 0 (false), no of atk used */\r
- int atk_wt[3];\r
-/** region of interest: affected component in [0..3], -1 means no ROI */\r
- int roi_compno; \r
-/** region of interest: upshift value */\r
- int roi_shift; \r
-\r
-/* number of precinct size specifications */\r
- int res_spec; \r
-/** initial precinct width */\r
- int prct_init[3][J3D_MAXRLVLS]; \r
-\r
-/** transform format 0: 0: 2DWT, 1: 2D1P, 2: 3DWT, 3: 3RLS */\r
- OPJ_TRANSFORM transform_format; \r
-/** output file format 0: 2EB, 1: 3EB, 2: 2GR, 3: 3GR, 4: GRI */\r
- OPJ_ENTROPY_CODING encoding_format; \r
-\r
- /**@name command line encoder parameters (not used inside the library) */\r
- /*@{*/\r
- char infile[MAX_PATH]; /** input file name */\r
- char outfile[MAX_PATH]; /** output file name */\r
- char imgfile[MAX_PATH]; /** IMG file name for BIN volumes*/\r
- int index_on; /** creation of an index file, default to 0 (false) */\r
- char index[MAX_PATH]; /** index file name */\r
- \r
- int volume_offset_x0; /** subvolume encoding: origin volume offset in x, y and z direction */\r
- int volume_offset_y0;\r
- int volume_offset_z0;\r
- \r
- int subsampling_dx; /** subsampling value for dx */\r
- int subsampling_dy;\r
- int subsampling_dz;\r
- \r
- int decod_format; /** input file format 0: BIN, 1: PGX */\r
- int cod_format; /** output file format 0: JP3D */\r
- /*@}*/\r
-} opj_cparameters_t;\r
-\r
-/**\r
-Decompression parameters\r
-*/\r
-typedef struct opj_dparameters {\r
-/** 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 */\r
- int cp_reduce[3]; \r
-/** 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 */\r
- int cp_layer; \r
- int bigendian;\r
- \r
- /**@name command line encoder parameters (not used inside the library) */\r
- /*@{*/\r
-/** input file name */\r
- char infile[MAX_PATH]; \r
-/** output file name */\r
- char outfile[MAX_PATH]; \r
-/** IMG file name for BIN volumes*/\r
- char imgfile[MAX_PATH];\r
-/** Original file name for PSNR measures*/\r
- char original[MAX_PATH];\r
-/** input file format 0: J2K, 1: JP3D */\r
- int decod_format; \r
-/** input file format 0: BIN, 1: PGM */\r
- int cod_format;\r
-/** original file format 0: BIN, 1: PGM */\r
- int orig_format; \r
- /*@}*/\r
-} opj_dparameters_t;\r
-\r
-/** Common fields between JPEG-2000 compression and decompression master structs. */\r
-#define opj_common_fields \\r
- opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\\r
- void * client_data; /**< Available for use by application */\\r
- bool is_decompressor; /**< So common code can tell which is which */\\r
- OPJ_CODEC_FORMAT codec_format; /**< selected codec */\\r
- OPJ_ENTROPY_CODING encoding_format; /**< selected entropy coding */\\r
- OPJ_TRANSFORM transform_format; /**< selected transform */\\r
- void *j3d_handle /**< pointer to the J3D codec */\r
- \r
-/* Routines that are to be used by both halves of the library are declared\r
- * to receive a pointer to this structure. There are no actual instances of\r
- * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.\r
- */\r
-typedef struct opj_common_struct {\r
- opj_common_fields; /* Fields common to both master struct types */\r
- /* Additional fields follow in an actual opj_cinfo_t or\r
- * opj_dinfo_t. All three structs must agree on these\r
- * initial fields! (This would be a lot cleaner in C++.)\r
- */\r
-} opj_common_struct_t;\r
-\r
-typedef opj_common_struct_t * opj_common_ptr;\r
-\r
-/**\r
-Compression context info\r
-*/\r
-typedef struct opj_cinfo {\r
- /** Fields shared with opj_dinfo_t */\r
- opj_common_fields; \r
- /* other specific fields go here */\r
-} opj_cinfo_t;\r
-\r
-/**\r
-Decompression context info\r
-*/\r
-typedef struct opj_dinfo {\r
- /** Fields shared with opj_cinfo_t */\r
- opj_common_fields; \r
- /* other specific fields go here */\r
-} opj_dinfo_t;\r
-\r
-/* \r
-==========================================================\r
- I/O stream typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/*\r
- * Stream open flags.\r
- */\r
-/** The stream was opened for reading. */\r
-#define OPJ_STREAM_READ 0x0001\r
-/** The stream was opened for writing. */\r
-#define OPJ_STREAM_WRITE 0x0002\r
-\r
-/**\r
-Byte input-output stream (CIO)\r
-*/\r
-typedef struct opj_cio {\r
-/** codec context */\r
- opj_common_ptr cinfo; \r
-/** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */\r
- int openmode; \r
-/** pointer to the start of the buffer */\r
- unsigned char *buffer; \r
-/** buffer size in bytes */\r
- int length; \r
-/** pointer to the start of the stream */\r
- unsigned char *start; \r
-/** pointer to the end of the stream */\r
- unsigned char *end; \r
-/** pointer to the current position */\r
- unsigned char *bp; \r
-} opj_cio_t;\r
-\r
-/* \r
-==========================================================\r
- volume typedef definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Defines a single volume component\r
-*/\r
-typedef struct opj_volume_comp {\r
-/** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */\r
- int dx; \r
-/** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */\r
- int dy; \r
-/** ZRsiz: vertical separation of a sample of ith component with respect to the reference grid */\r
- int dz;\r
-/** data width */\r
- int w; \r
- /** data height */\r
- int h; \r
- /** data length : no of slices */\r
- int l; \r
- /** x component offset compared to the whole volume */\r
- int x0; \r
- /** y component offset compared to the whole volume */\r
- int y0; \r
- /** z component offset compared to the whole volume */\r
- int z0; \r
- /** precision */\r
- int prec; \r
- /** volume depth in bits */\r
- int bpp; \r
- /** DC offset (15444-2) */\r
- int dcoffset;\r
- /** signed (1) / unsigned (0) */\r
- int sgnd; \r
- /** BE byte order (1) / LE byte order (0) */\r
- int bigendian;\r
- /** number of decoded resolution */\r
- int resno_decoded[3]; \r
- /** number of division by 2 of the out volume compared to the original size of volume */\r
- int factor[3]; \r
- /** volume component data */\r
- int *data; \r
-} opj_volume_comp_t;\r
-\r
-/** \r
-Defines volume data and characteristics\r
-*/\r
-typedef struct opj_volume {\r
-/** XOsiz: horizontal offset from the origin of the reference grid to the left side of the volume area */\r
- int x0; \r
-/** YOsiz: vertical offset from the origin of the reference grid to the top side of the volume area */\r
- int y0; \r
-/** ZOsiz: vertical offset from the origin of the reference grid to the top side of the volume area */\r
- int z0; \r
-/** Xsiz: width of the reference grid */\r
- int x1; \r
-/** Ysiz: height of the reference grid */\r
- int y1; \r
-/** Zsiz: length of the reference grid */\r
- int z1; \r
-/** number of components in the volume */\r
- int numcomps; \r
-/** number of slices in the volume */\r
- int numslices; \r
-/** color space: sRGB, Greyscale or YUV */\r
- OPJ_COLOR_SPACE color_space;\r
-/** volume components */\r
- opj_volume_comp_t *comps; \r
-} opj_volume_t;\r
-\r
-/**\r
-Component parameters structure used by the opj_volume_create function\r
-*/\r
-typedef struct opj_volume_comptparm {\r
- /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */\r
- int dx; \r
- /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */\r
- int dy; \r
- /** ZRsiz: axial separation of a sample of ith component with respect to the reference grid */\r
- int dz; \r
- /** data width */\r
- int w; \r
- /** data height */\r
- int h; \r
- /** data length */\r
- int l; \r
- /** x component offset compared to the whole volume */\r
- int x0; \r
- /** y component offset compared to the whole volume */\r
- int y0;\r
- /** z component offset compared to the whole volume */\r
- int z0; \r
- /** precision */\r
- int prec;\r
- /** volume depth in bits */\r
- int bpp; \r
- /** signed (1) / unsigned (0) */\r
- int sgnd;\r
- /** DC offset*/\r
- int dcoffset;\r
- /** BE byte order (1) / LE byte order (0) */\r
- int bigendian;\r
-} opj_volume_cmptparm_t;\r
-\r
-#ifdef __cplusplus\r
-extern "C" {\r
-#endif\r
-\r
-\r
-/* \r
-==========================================================\r
- openjpeg version\r
-==========================================================\r
-*/\r
-\r
-OPJ_API const char * OPJ_CALLCONV opj_version(void);\r
-\r
-/* \r
-==========================================================\r
- volume functions definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Create an volume\r
-@param numcmpts number of components\r
-@param cmptparms components parameters\r
-@param clrspc volume color space\r
-@return returns a new volume structure if successful, returns NULL otherwise\r
-*/\r
-OPJ_API opj_volume_t* OPJ_CALLCONV opj_volume_create(int numcmpts, opj_volume_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);\r
-\r
-/**\r
-Deallocate any resources associated with an volume\r
-@param volume volume to be destroyed\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_volume_destroy(opj_volume_t *volume);\r
-\r
-/* \r
-==========================================================\r
- stream functions definitions\r
-==========================================================\r
-*/\r
-\r
-/**\r
-Open and allocate a memory stream for read / write. \r
-On reading, the user must provide a buffer containing encoded data. The buffer will be \r
-wrapped by the returned CIO handle. \r
-On writing, buffer parameters must be set to 0: a buffer will be allocated by the library \r
-to contain encoded data. \r
-@param cinfo Codec context info\r
-@param buffer Reading: buffer address. Writing: NULL\r
-@param length Reading: buffer length. Writing: 0\r
-@return Returns a CIO handle if successful, returns NULL otherwise\r
-*/\r
-OPJ_API opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);\r
-\r
-/**\r
-Close and free a CIO handle\r
-@param cio CIO handle to free\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio);\r
-\r
-/**\r
-Get position in byte stream\r
-@param cio CIO handle\r
-@return Returns the position in bytes\r
-*/\r
-OPJ_API int OPJ_CALLCONV cio_tell(opj_cio_t *cio);\r
-/**\r
-Set position in byte stream\r
-@param cio CIO handle\r
-@param pos Position, in number of bytes, from the beginning of the stream\r
-*/\r
-OPJ_API void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos);\r
-\r
-/* \r
-==========================================================\r
- event manager functions definitions\r
-==========================================================\r
-*/\r
-\r
-OPJ_API opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);\r
-\r
-/* \r
-==========================================================\r
- codec functions definitions\r
-==========================================================\r
-*/\r
-/**\r
-Creates a J3D decompression structure\r
-@param format Decoder to select\r
-@return Returns a handle to a decompressor if successful, returns NULL otherwise\r
-*/\r
-OPJ_API opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format);\r
-/**\r
-Destroy a decompressor handle\r
-@param dinfo decompressor handle to destroy\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo);\r
-/**\r
-Set decoding parameters to default values\r
-@param parameters Decompression parameters\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters);\r
-/**\r
-Setup the decoder decoding parameters using user parameters.\r
-Decoding parameters are returned in j3d->cp. \r
-@param dinfo decompressor handle\r
-@param parameters decompression parameters\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);\r
-/**\r
-Decode an volume from a JPEG-2000 codestream\r
-@param dinfo decompressor handle\r
-@param cio Input buffer stream\r
-@return Returns a decoded volume if successful, returns NULL otherwise\r
-*/\r
-OPJ_API opj_volume_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);\r
-/**\r
-Creates a J3D/JP2 compression structure\r
-@param format Coder to select\r
-@return Returns a handle to a compressor if successful, returns NULL otherwise\r
-*/\r
-OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);\r
-/**\r
-Destroy a compressor handle\r
-@param cinfo compressor handle to destroy\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo);\r
-/**\r
-Set encoding parameters to default values, that means : \r
-<ul>\r
-<li>Lossless\r
-<li>1 tile\r
-<li>Size of precinct : 2^15 x 2^15 (means 1 precinct)\r
-<li>Size of code-block : 64 x 64\r
-<li>Number of resolutions: 6\r
-<li>No SOP marker in the codestream\r
-<li>No EPH marker in the codestream\r
-<li>No sub-sampling in x or y direction\r
-<li>No mode switch activated\r
-<li>Progression order: LRCP\r
-<li>No index file\r
-<li>No ROI upshifted\r
-<li>No offset of the origin of the volume\r
-<li>No offset of the origin of the tiles\r
-<li>Reversible DWT 5-3\r
-</ul>\r
-@param parameters Compression parameters\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters);\r
-/**\r
-Setup the encoder parameters using the current volume and using user parameters. \r
-@param cinfo compressor handle\r
-@param parameters compression parameters\r
-@param volume input filled volume\r
-*/\r
-OPJ_API void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_volume_t *volume);\r
-/**\r
-Encode an volume into a JPEG-2000 codestream\r
-@param cinfo compressor handle\r
-@param cio Output buffer stream\r
-@param volume Volume to encode\r
-@param index Name of the index file if required, NULL otherwise\r
-@return Returns true if successful, returns false otherwise\r
-*/\r
-OPJ_API bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_volume_t *volume, char *index);\r
-\r
-#ifdef __cplusplus\r
-}\r
-#endif\r
-\r
-#endif /* OPENJPEG_H */\r
+/*
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2006, Mónica Díez García, 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)
+/* http://gcc.gnu.org/wiki/Visibility */
+#if __GNUC__ >= 4
+#define OPJ_API __attribute__ ((visibility ("default")))
+#define OPJ_LOCAL __attribute__ ((visibility ("hidden")))
+#else
+#define OPJ_API
+#define OPJ_LOCAL
+#endif
+#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, whereas this DLL sees symbols
+defined with this macro as being exported.
+*/
+#if defined(OPJ_EXPORTS) || defined(DLL_EXPORT)
+#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(void);
+
+/*
+==========================================================
+ 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 */
projects / openjpeg.git / blobdiff