2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2001-2003, David Janssens
5 * Copyright (c) 2002-2003, Yannick Verschueren
6 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2006-2007, Parvatha Elangovan
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
35 #define OPENJPEG_VERSION "1.3.0"
38 ==========================================================
40 ==========================================================
43 #if defined(OPJ_STATIC) || !(defined(WIN32) || defined(__WIN32__))
47 #define OPJ_CALLCONV __stdcall
49 The following ifdef block is the standard way of creating macros which make exporting
50 from a DLL simpler. All files within this DLL are compiled with the OPJ_EXPORTS
51 symbol defined on the command line. this symbol should not be defined on any project
52 that uses this DLL. This way any other project whose source files include this file see
53 OPJ_API functions as being imported from a DLL, wheras this DLL sees symbols
54 defined with this macro as being exported.
57 #define OPJ_API __declspec(dllexport)
59 #define OPJ_API __declspec(dllimport)
60 #endif /* OPJ_EXPORTS */
61 #endif /* !OPJ_STATIC || !WIN32 */
64 #if defined(HAVE_STDBOOL_H)
66 The C language implementation does correctly provide the standard header
72 The C language implementation does not provide the standard header file
73 "stdbool.h" as required by ISO/IEC 9899:1999. Try to compensate for this
86 #endif /* __cplusplus */
89 ==========================================================
90 Useful constant definitions
91 ==========================================================
94 #define OPJ_PATH_LEN 4096 /**< Maximum allowed size for filenames */
96 #define J2K_MAXRLVLS 33 /**< Number of maximum resolution level authorized */
97 #define J2K_MAXBANDS (3*J2K_MAXRLVLS-2) /**< Number of maximum sub-band linked to number of resolution level */
100 #define JPWL_MAX_NO_TILESPECS 16 /**< Maximum number of tile parts expected by JPWL: increase at your will */
101 #define JPWL_MAX_NO_PACKSPECS 16 /**< Maximum number of packet parts expected by JPWL: increase at your will */
102 #define JPWL_MAX_NO_MARKERS 512 /**< Maximum number of JPWL markers: increase at your will */
103 #define JPWL_PRIVATEINDEX_NAME "jpwl_index_privatefilename" /**< index file name used when JPWL is on */
104 #define JPWL_EXPECTED_COMPONENTS 3 /**< Expect this number of components, so you'll find better the first EPB */
105 #define JPWL_MAXIMUM_TILES 8192 /**< Expect this maximum number of tiles, to avoid some crashes */
106 #define JPWL_MAXIMUM_HAMMING 2 /**< Expect this maximum number of bit errors in marker id's */
107 #define JPWL_MAXIMUM_EPB_ROOM 65450 /**< Expect this maximum number of bytes for composition of EPBs */
111 ==========================================================
113 ==========================================================
118 typedef enum RSIZ_CAPABILITIES {
119 STD_RSIZ = 0, /** Standard JPEG2000 profile*/
120 CINEMA2K = 3, /** Profile name for a 2K image*/
121 CINEMA4K = 4 /** Profile name for a 4K image*/
122 } OPJ_RSIZ_CAPABILITIES;
125 Digital cinema operation mode
127 typedef enum CINEMA_MODE {
128 OFF = 0, /** Not Digital Cinema*/
129 CINEMA2K_24 = 1, /** 2K Digital Cinema at 24 fps*/
130 CINEMA2K_48 = 2, /** 2K Digital Cinema at 48 fps*/
131 CINEMA4K_24 = 3 /** 4K Digital Cinema at 24 fps*/
137 typedef enum PROG_ORDER {
138 PROG_UNKNOWN = -1, /**< place-holder */
139 LRCP = 0, /**< layer-resolution-component-precinct order */
140 RLCP = 1, /**< resolution-layer-component-precinct order */
141 RPCL = 2, /**< resolution-precinct-component-layer order */
142 PCRL = 3, /**< precinct-component-resolution-layer order */
143 CPRL = 4 /**< component-precinct-resolution-layer order */
147 Supported image color spaces
149 typedef enum COLOR_SPACE {
150 CLRSPC_UNKNOWN = -1, /**< not supported by the library */
151 CLRSPC_UNSPECIFIED = 0, /**< not specified in the codestream */
152 CLRSPC_SRGB = 1, /**< sRGB */
153 CLRSPC_GRAY = 2, /**< grayscale */
154 CLRSPC_SYCC = 3 /**< YUV */
160 typedef enum CODEC_FORMAT {
161 CODEC_UNKNOWN = -1, /**< place-holder */
162 CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
163 CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
164 CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
168 Limit decoding to certain portions of the codestream.
170 typedef enum LIMIT_DECODING {
171 NO_LIMITATION = 0, /**< No limitation for the decoding. The entire codestream will de decoded */
172 LIMIT_TO_MAIN_HEADER = 1, /**< The decoding is limited to the Main Header */
173 DECODE_ALL_BUT_PACKETS = 2 /**< Decode everything except the JPEG 2000 packets */
174 } OPJ_LIMIT_DECODING;
177 ==========================================================
178 event manager typedef definitions
179 ==========================================================
183 Callback function prototype for events
184 @param msg Event message
187 typedef void (*opj_msg_callback) (const char *msg, void *client_data);
190 Message handler object
195 <li>Debugging messages
198 typedef struct opj_event_mgr {
199 /** Error message callback if available, NULL otherwise */
200 opj_msg_callback error_handler;
201 /** Warning message callback if available, NULL otherwise */
202 opj_msg_callback warning_handler;
203 /** Debug message callback if available, NULL otherwise */
204 opj_msg_callback info_handler;
209 ==========================================================
210 codec typedef definitions
211 ==========================================================
215 Progression order changes
217 typedef struct opj_poc {
218 /** Resolution num start, Component num start, given by POC */
220 /** Layer num end,Resolution num end, Component num end, given by POC */
221 int layno1, resno1, compno1;
222 /** Layer num start,Precinct num start, Precinct num end */
223 int layno0, precno0, precno1;
224 /** Progression order enum*/
225 OPJ_PROG_ORDER prg1,prg;
226 /** Progression order string*/
230 /** Start and end values for Tile width and height*/
232 /** Start value, initialised in pi_initialise_encode*/
233 int layS, resS, compS, prcS;
234 /** End value, initialised in pi_initialise_encode */
235 int layE, resE, compE, prcE;
236 /** Start and end values of Tile width and height, initialised in pi_initialise_encode*/
237 int txS,txE,tyS,tyE,dx,dy;
238 /** Temporary values for Tile parts, initialised in pi_create_encode */
239 int lay_t, res_t, comp_t, prc_t,tx0_t,ty0_t;
243 Compression parameters
245 typedef struct opj_cparameters {
246 /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
256 /** allocation by rate/distortion */
258 /** allocation by fixed layer */
260 /** add fixed_quality */
261 int cp_fixed_quality;
264 /** comment for coding */
266 /** csty : coding style */
268 /** progression order (default LRCP) */
269 OPJ_PROG_ORDER prog_order;
270 /** progression order changes */
272 /** number of progression order changes (POC), default to 0 */
274 /** number of layers */
276 /** rates of layers */
277 float tcp_rates[100];
278 /** different psnr for successive layers */
279 float tcp_distoratio[100];
280 /** number of resolutions */
282 /** initial code block width, default to 64 */
284 /** initial code block height, default to 64 */
286 /** mode switch (cblk_style) */
288 /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
290 /** region of interest: affected component in [0..3], -1 means no ROI */
292 /** region of interest: upshift value */
294 /* number of precinct size specifications */
296 /** initial precinct width */
297 int prcw_init[J2K_MAXRLVLS];
298 /** initial precinct height */
299 int prch_init[J2K_MAXRLVLS];
301 /**@name command line encoder parameters (not used inside the library) */
303 /** input file name */
304 char infile[OPJ_PATH_LEN];
305 /** output file name */
306 char outfile[OPJ_PATH_LEN];
307 /** DEPRECATED. Index generation is now handeld with the opj_encode_with_info() function. Set to NULL */
309 /** DEPRECATED. Index generation is now handeld with the opj_encode_with_info() function. Set to NULL */
310 char index[OPJ_PATH_LEN];
311 /** subimage encoding: origin image offset in x direction */
313 /** subimage encoding: origin image offset in y direction */
315 /** subsampling value for dx */
317 /** subsampling value for dy */
319 /** input file format 0: PGX, 1: PxM, 2: BMP 3:TIF*/
321 /** output file format 0: J2K, 1: JP2, 2: JPT */
326 /**@name JPWL encoding parameters */
328 /** enables writing of EPC in MH, thus activating JPWL */
330 /** error protection method for MH (0,1,16,32,37-128) */
332 /** tile number of header protection specification (>=0) */
333 int jpwl_hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
334 /** error protection methods for TPHs (0,1,16,32,37-128) */
335 int jpwl_hprot_TPH[JPWL_MAX_NO_TILESPECS];
336 /** tile number of packet protection specification (>=0) */
337 int jpwl_pprot_tileno[JPWL_MAX_NO_PACKSPECS];
338 /** packet number of packet protection specification (>=0) */
339 int jpwl_pprot_packno[JPWL_MAX_NO_PACKSPECS];
340 /** error protection methods for packets (0,1,16,32,37-128) */
341 int jpwl_pprot[JPWL_MAX_NO_PACKSPECS];
342 /** enables writing of ESD, (0=no/1/2 bytes) */
344 /** sensitivity addressing size (0=auto/2/4 bytes) */
346 /** sensitivity range (0-3) */
348 /** sensitivity method for MH (-1=no,0-7) */
350 /** tile number of sensitivity specification (>=0) */
351 int jpwl_sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
352 /** sensitivity methods for TPHs (-1=no,0-7) */
353 int jpwl_sens_TPH[JPWL_MAX_NO_TILESPECS];
357 /** Digital Cinema compliance 0-not compliant, 1-compliant*/
358 OPJ_CINEMA_MODE cp_cinema;
359 /** Maximum rate for each component. If == 0, component size limitation is not considered */
362 OPJ_RSIZ_CAPABILITIES cp_rsiz;
363 /** Tile part generation*/
365 /** Flag for Tile part generation*/
367 /** MCT (multiple component transform) */
372 Decompression parameters
374 typedef struct opj_dparameters {
376 Set the number of highest resolution levels to be discarded.
377 The image resolution is effectively divided by 2 to the power of the number of discarded levels.
378 The reduce factor is limited by the smallest total number of decomposition levels among tiles.
379 if != 0, then original dimension divided by 2^(reduce);
380 if == 0 or not used, image is decoded to the full resolution
384 Set the maximum number of quality layers to decode.
385 If there are less quality layers than the specified number, all the quality layers are decoded.
386 if != 0, then only the first "layer" layers are decoded;
387 if == 0 or not used, all the quality layers are decoded
391 /**@name command line encoder parameters (not used inside the library) */
393 /** input file name */
394 char infile[OPJ_PATH_LEN];
395 /** output file name */
396 char outfile[OPJ_PATH_LEN];
397 /** input file format 0: J2K, 1: JP2, 2: JPT */
399 /** output file format 0: PGX, 1: PxM, 2: BMP */
404 /**@name JPWL decoding parameters */
406 /** activates the JPWL correction capabilities */
408 /** expected number of components */
410 /** maximum number of tiles */
416 Specify whether the decoding should be done on the entire codestream, or be limited to the main header
417 Limiting the decoding to the main header makes it possible to extract the characteristics of the codestream
418 if == NO_LIMITATION, the entire codestream is decoded;
419 if == LIMIT_TO_MAIN_HEADER, only the main header is decoded;
421 OPJ_LIMIT_DECODING cp_limit_decoding;
425 /** Common fields between JPEG-2000 compression and decompression master structs. */
427 #define opj_common_fields \
428 opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\
429 void * client_data; /**< Available for use by application */\
430 bool is_decompressor; /**< So common code can tell which is which */\
431 OPJ_CODEC_FORMAT codec_format; /**< selected codec */\
432 void *j2k_handle; /**< pointer to the J2K codec */\
433 void *jp2_handle; /**< pointer to the JP2 codec */\
434 void *mj2_handle /**< pointer to the MJ2 codec */
436 /* Routines that are to be used by both halves of the library are declared
437 * to receive a pointer to this structure. There are no actual instances of
438 * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.
440 typedef struct opj_common_struct {
441 opj_common_fields; /* Fields common to both master struct types */
442 /* Additional fields follow in an actual opj_cinfo_t or
443 * opj_dinfo_t. All three structs must agree on these
444 * initial fields! (This would be a lot cleaner in C++.)
446 } opj_common_struct_t;
448 typedef opj_common_struct_t * opj_common_ptr;
451 Compression context info
453 typedef struct opj_cinfo {
454 /** Fields shared with opj_dinfo_t */
456 /* other specific fields go here */
460 Decompression context info
462 typedef struct opj_dinfo {
463 /** Fields shared with opj_cinfo_t */
465 /* other specific fields go here */
469 ==========================================================
470 I/O stream typedef definitions
471 ==========================================================
477 /** The stream was opened for reading. */
478 #define OPJ_STREAM_READ 0x0001
479 /** The stream was opened for writing. */
480 #define OPJ_STREAM_WRITE 0x0002
483 Byte input-output stream (CIO)
485 typedef struct opj_cio {
487 opj_common_ptr cinfo;
489 /** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */
491 /** pointer to the start of the buffer */
492 unsigned char *buffer;
493 /** buffer size in bytes */
496 /** pointer to the start of the stream */
497 unsigned char *start;
498 /** pointer to the end of the stream */
500 /** pointer to the current position */
505 ==========================================================
506 image typedef definitions
507 ==========================================================
511 Defines a single image component
513 typedef struct opj_image_comp {
514 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
516 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
522 /** x component offset compared to the whole image */
524 /** y component offset compared to the whole image */
528 /** image depth in bits */
530 /** signed (1) / unsigned (0) */
532 /** number of decoded resolution */
534 /** number of division by 2 of the out image compared to the original size of image */
536 /** image component data */
541 Defines image data and characteristics
543 typedef struct opj_image {
544 /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */
546 /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */
548 /** Xsiz: width of the reference grid */
550 /** Ysiz: height of the reference grid */
552 /** number of components in the image */
554 /** color space: sRGB, Greyscale or YUV */
555 OPJ_COLOR_SPACE color_space;
556 /** image components */
557 opj_image_comp_t *comps;
561 Component parameters structure used by the opj_image_create function
563 typedef struct opj_image_comptparm {
564 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
566 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
572 /** x component offset compared to the whole image */
574 /** y component offset compared to the whole image */
578 /** image depth in bits */
580 /** signed (1) / unsigned (0) */
582 } opj_image_cmptparm_t;
585 ==========================================================
586 Information on the JPEG 2000 codestream
587 ==========================================================
591 Index structure : Information concerning a packet inside tile
593 typedef struct opj_packet_info {
594 /** packet start position (including SOP marker if it exists) */
596 /** end of packet header position (including EPH marker if it exists)*/
598 /** packet end position */
600 /** packet distorsion */
605 Index structure : Information concerning tile-parts
607 typedef struct opj_tp_info {
608 /** start position of tile part */
610 /** end position of tile part header */
612 /** end position of tile part */
614 /** start packet of tile part */
616 /** number of packets of tile part */
621 Index structure : information regarding tiles
623 typedef struct opj_tile_info {
624 /** value of thresh for each layer by tile cfr. Marcela */
626 /** number of tile */
628 /** start position */
630 /** end position of the header */
634 /** precinct number for each resolution level (width) */
636 /** precinct number for each resolution level (height) */
638 /** precinct size (in power of 2), in X for each resolution level */
640 /** precinct size (in power of 2), in Y for each resolution level */
642 /** information concerning packets inside tile */
643 opj_packet_info_t *packet;
644 /** add fixed_quality */
646 /** add fixed_quality */
648 /** number of tile parts */
650 /** information concerning tile parts */
658 typedef struct opj_marker_info_t {
660 unsigned short int type;
661 /** position in codestream */
663 /** length, marker val included */
669 Index structure of the codestream
671 typedef struct opj_codestream_info {
672 /** maximum distortion reduction on the whole image (add for Marcela) */
676 /** writing the packet in the index with t2_encode_packets */
682 /** progression order */
684 /** tile size in x */
686 /** tile size in y */
692 /** number of tiles in X */
694 /** number of tiles in Y */
696 /** component numbers */
698 /** number of layer */
700 /** number of decomposition for each component */
703 /** number of markers */
705 /** list of markers */
706 opj_marker_info_t *marker;
707 /** actual size of markers array */
710 /** main header position */
712 /** main header position */
714 /** codestream's size */
716 /** information regarding tiles inside image */
717 opj_tile_info_t *tile;
718 } opj_codestream_info_t;
726 ==========================================================
728 ==========================================================
731 OPJ_API const char * OPJ_CALLCONV opj_version(void);
734 ==========================================================
735 image functions definitions
736 ==========================================================
741 @param numcmpts number of components
742 @param cmptparms components parameters
743 @param clrspc image color space
744 @return returns a new image structure if successful, returns NULL otherwise
746 OPJ_API opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);
749 Deallocate any resources associated with an image
750 @param image image to be destroyed
752 OPJ_API void OPJ_CALLCONV opj_image_destroy(opj_image_t *image);
755 ==========================================================
756 stream functions definitions
757 ==========================================================
761 Open and allocate a memory stream for read / write.
762 On reading, the user must provide a buffer containing encoded data. The buffer will be
763 wrapped by the returned CIO handle.
764 On writing, buffer parameters must be set to 0: a buffer will be allocated by the library
765 to contain encoded data.
766 @param cinfo Codec context info
767 @param buffer Reading: buffer address. Writing: NULL
768 @param length Reading: buffer length. Writing: 0
769 @return Returns a CIO handle if successful, returns NULL otherwise
771 OPJ_API opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);
774 Close and free a CIO handle
775 @param cio CIO handle to free
777 OPJ_API void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio);
780 Get position in byte stream
781 @param cio CIO handle
782 @return Returns the position in bytes
784 OPJ_API int OPJ_CALLCONV cio_tell(opj_cio_t *cio);
786 Set position in byte stream
787 @param cio CIO handle
788 @param pos Position, in number of bytes, from the beginning of the stream
790 OPJ_API void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos);
793 ==========================================================
794 event manager functions definitions
795 ==========================================================
798 OPJ_API opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);
801 ==========================================================
802 codec functions definitions
803 ==========================================================
806 Creates a J2K/JPT/JP2 decompression structure
807 @param format Decoder to select
808 @return Returns a handle to a decompressor if successful, returns NULL otherwise
810 OPJ_API opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format);
812 Destroy a decompressor handle
813 @param dinfo decompressor handle to destroy
815 OPJ_API void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo);
817 Set decoding parameters to default values
818 @param parameters Decompression parameters
820 OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters);
822 Setup the decoder decoding parameters using user parameters.
823 Decoding parameters are returned in j2k->cp.
824 @param dinfo decompressor handle
825 @param parameters decompression parameters
827 OPJ_API void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);
829 Decode an image from a JPEG-2000 codestream
830 @param dinfo decompressor handle
831 @param cio Input buffer stream
832 @return Returns a decoded image if successful, returns NULL otherwise
834 OPJ_API opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);
837 Decode an image from a JPEG-2000 codestream and extract the codestream information
838 @param dinfo decompressor handle
839 @param cio Input buffer stream
840 @param cstr_info Codestream information structure if needed afterwards, NULL otherwise
841 @return Returns a decoded image if successful, returns NULL otherwise
843 OPJ_API opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
845 Creates a J2K/JP2 compression structure
846 @param format Coder to select
847 @return Returns a handle to a compressor if successful, returns NULL otherwise
849 OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);
851 Destroy a compressor handle
852 @param cinfo compressor handle to destroy
854 OPJ_API void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo);
856 Set encoding parameters to default values, that means :
860 <li>Size of precinct : 2^15 x 2^15 (means 1 precinct)
861 <li>Size of code-block : 64 x 64
862 <li>Number of resolutions: 6
863 <li>No SOP marker in the codestream
864 <li>No EPH marker in the codestream
865 <li>No sub-sampling in x or y direction
866 <li>No mode switch activated
867 <li>Progression order: LRCP
870 <li>No offset of the origin of the image
871 <li>No offset of the origin of the tiles
872 <li>Reversible DWT 5-3
874 @param parameters Compression parameters
876 OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters);
878 Setup the encoder parameters using the current image and using user parameters.
879 @param cinfo Compressor handle
880 @param parameters Compression parameters
881 @param image Input filled image
883 OPJ_API void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);
885 Encode an image into a JPEG-2000 codestream
886 @param cinfo compressor handle
887 @param cio Output buffer stream
888 @param image Image to encode
889 @param index Depreacted -> Set to NULL. To extract index, used opj_encode_wci()
890 @return Returns true if successful, returns false otherwise
892 OPJ_API bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index);
894 Encode an image into a JPEG-2000 codestream and extract the codestream information
895 @param cinfo compressor handle
896 @param cio Output buffer stream
897 @param image Image to encode
898 @param cstr_info Codestream information structure if needed afterwards, NULL otherwise
899 @return Returns true if successful, returns false otherwise
901 OPJ_API bool OPJ_CALLCONV opj_encode_with_info(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
903 Destroy Codestream information after compression or decompression
904 @param cstr_info Codestream information structure
906 OPJ_API void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info);
912 #endif /* OPENJPEG_H */