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 "1.1.1"
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 */
101 #define JPWL_MAX_NO_TILESPECS 16 /**< Maximum number of tile parts expected by JPWL: increase at your will */
102 #define JPWL_MAX_NO_PACKSPECS 16 /**< Maximum number of packet parts expected by JPWL: increase at your will */
103 #define JPWL_MAX_NO_MARKERS 512 /**< Maximum number of JPWL markers: increase at your will */
104 #define JPWL_PRIVATEINDEX_NAME "jpwl_index_privatefilename" /**< index file name used when JPWL is on */
105 #define JPWL_EXPECTED_COMPONENTS 3 /**< Expect this number of components, so you'll find better the first EPB */
106 #define JPWL_MAXIMUM_TILES 8192 /**< Expect this maximum number of tiles, to avoid some crashes */
107 #define JPWL_MAXIMUM_HAMMING 2 /**< Expect this maximum number of bit errors in marker id's */
108 #endif /* USE_JPWL */
112 ==========================================================
114 ==========================================================
117 typedef enum RSIZ_CAPABILITIES {
119 CINEMA2K = 3, /** Profile name for a 2K image*/
120 CINEMA4K = 4 /** Profile name for a 4K image*/
121 } OPJ_RSIZ_CAPABILITIES;
123 typedef enum CINEMA_MODE {
130 /** Progression order */
131 typedef enum PROG_ORDER {
132 PROG_UNKNOWN = -1, /**< place-holder */
133 LRCP = 0, /**< layer-resolution-component-precinct order */
134 RLCP = 1, /**< resolution-layer-component-precinct order */
135 RPCL = 2, /**< resolution-precinct-component-layer order */
136 PCRL = 3, /**< precinct-component-resolution-layer order */
137 CPRL = 4 /**< component-precinct-resolution-layer order */
141 Supported image color spaces
143 typedef enum COLOR_SPACE {
144 CLRSPC_UNKNOWN = -1, /**< place-holder */
145 CLRSPC_SRGB = 1, /**< sRGB */
146 CLRSPC_GRAY = 2, /**< grayscale */
147 CLRSPC_SYCC = 3 /**< YUV */
153 typedef enum CODEC_FORMAT {
154 CODEC_UNKNOWN = -1, /**< place-holder */
155 CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
156 CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
157 CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
161 Limit decoding to certain portions of the codestream.
163 typedef enum LIMIT_DECODING {
164 NO_LIMITATION = 0, /**< No limitation for the decoding. The entire codestream will de decoded */
165 LIMIT_TO_MAIN_HEADER = 1 /**< The decoding is limited to the Main Header */
166 } OPJ_LIMIT_DECODING;
169 ==========================================================
170 event manager typedef definitions
171 ==========================================================
175 Callback function prototype for events
176 @param msg Event message
179 typedef void (*opj_msg_callback) (const char *msg, void *client_data);
182 Message handler object
187 <li>Debugging messages
190 typedef struct opj_event_mgr {
191 /** Error message callback if available, NULL otherwise */
192 opj_msg_callback error_handler;
193 /** Warning message callback if available, NULL otherwise */
194 opj_msg_callback warning_handler;
195 /** Debug message callback if available, NULL otherwise */
196 opj_msg_callback info_handler;
201 ==========================================================
202 codec typedef definitions
203 ==========================================================
207 Progression order changes
209 typedef struct opj_poc {
211 int layno1, resno1, compno1;
215 int txS,txE,tyS,tyE,dx,dy;
217 int layno0, precno0, precno1;
218 int layS, resS, compS, prcS;
219 int layE, resE, compE, prcE;
220 int lay_t, res_t, comp_t, prc_t,tx0_t,ty0_t;
224 Compression parameters
226 typedef struct opj_cparameters {
227 /** Digital Cinema compliance 0-not compliant, 1-compliant*/
228 OPJ_CINEMA_MODE cp_cinema;
230 OPJ_RSIZ_CAPABILITIES cp_rsiz;
231 /** Tile part generation*/
233 /** Flag for Tile part generation*/
235 /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
245 /** allocation by rate/distortion */
247 /** allocation by fixed layer */
249 /** add fixed_quality */
250 int cp_fixed_quality;
253 /** comment for coding */
255 /** csty : coding style */
257 /** progression order (default LRCP) */
258 OPJ_PROG_ORDER prog_order;
259 /** progression order changes */
261 /** number of progression order changes (POC), default to 0 */
263 /** number of layers */
265 /** rates of layers */
266 float tcp_rates[100];
267 /** different psnr for successive layers */
268 float tcp_distoratio[100];
269 /** number of resolutions */
271 /** initial code block width, default to 64 */
273 /** initial code block height, default to 64 */
275 /** mode switch (cblk_style) */
277 /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
279 /** region of interest: affected component in [0..3], -1 means no ROI */
281 /** region of interest: upshift value */
283 /* number of precinct size specifications */
285 /** initial precinct width */
286 int prcw_init[J2K_MAXRLVLS];
287 /** initial precinct height */
288 int prch_init[J2K_MAXRLVLS];
290 /**@name command line encoder parameters (not used inside the library) */
292 /** input file name */
293 char infile[OPJ_PATH_LEN];
294 /** output file name */
295 char outfile[OPJ_PATH_LEN];
296 /** creation of an index file, default to 0 (false) */
298 /** index file name */
299 char index[OPJ_PATH_LEN];
300 /** subimage encoding: origin image offset in x direction */
302 /** subimage encoding: origin image offset in y direction */
304 /** subsampling value for dx */
306 /** subsampling value for dy */
308 /** input file format 0: PGX, 1: PxM, 2: BMP 3:TIF*/
310 /** output file format 0: J2K, 1: JP2, 2: JPT */
316 /**@name JPWL encoding parameters */
318 /** enables writing of EPC in MH, thus activating JPWL */
320 /** error protection method for MH (0,1,16,32,37-128) */
322 /** tile number of header protection specification (>=0) */
323 int jpwl_hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
324 /** error protection methods for TPHs (0,1,16,32,37-128) */
325 int jpwl_hprot_TPH[JPWL_MAX_NO_TILESPECS];
326 /** tile number of packet protection specification (>=0) */
327 int jpwl_pprot_tileno[JPWL_MAX_NO_PACKSPECS];
328 /** packet number of packet protection specification (>=0) */
329 int jpwl_pprot_packno[JPWL_MAX_NO_PACKSPECS];
330 /** error protection methods for packets (0,1,16,32,37-128) */
331 int jpwl_pprot[JPWL_MAX_NO_PACKSPECS];
332 /** enables writing of ESD, (0=no/1/2 bytes) */
334 /** sensitivity addressing size (0=auto/2/4 bytes) */
336 /** sensitivity range (0-3) */
338 /** sensitivity method for MH (-1=no,0-7) */
340 /** tile number of sensitivity specification (>=0) */
341 int jpwl_sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
342 /** sensitivity methods for TPHs (-1=no,0-7) */
343 int jpwl_sens_TPH[JPWL_MAX_NO_TILESPECS];
345 #endif /* USE_JPWL */
351 Decompression parameters
353 typedef struct opj_dparameters {
355 Set the number of highest resolution levels to be discarded.
356 The image resolution is effectively divided by 2 to the power of the number of discarded levels.
357 The reduce factor is limited by the smallest total number of decomposition levels among tiles.
358 if != 0, then original dimension divided by 2^(reduce);
359 if == 0 or not used, image is decoded to the full resolution
363 Set the maximum number of quality layers to decode.
364 If there are less quality layers than the specified number, all the quality layers are decoded.
365 if != 0, then only the first "layer" layers are decoded;
366 if == 0 or not used, all the quality layers are decoded
371 Specify whether the decoding should be done on the entire codestream, or be limited to the main header
372 Limiting the decoding to the main header makes it possible to extract the characteristics of the codestream
373 if == NO_LIMITATION, the entire codestream is decoded;
374 if == LIMIT_TO_MAIN_HEADER, only the main header is decoded;
376 OPJ_LIMIT_DECODING cp_limit_decoding;
378 /**@name command line encoder parameters (not used inside the library) */
380 /** input file name */
381 char infile[OPJ_PATH_LEN];
382 /** output file name */
383 char outfile[OPJ_PATH_LEN];
384 /** input file format 0: J2K, 1: JP2, 2: JPT */
386 /** output file format 0: PGX, 1: PxM, 2: BMP */
392 /**@name JPWL decoding parameters */
394 /** activates the JPWL correction capabilities */
396 /** expected number of components */
398 /** maximum number of tiles */
401 #endif /* USE_JPWL */
405 /** Common fields between JPEG-2000 compression and decompression master structs. */
407 #define opj_common_fields \
408 opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\
409 void * client_data; /**< Available for use by application */\
410 bool is_decompressor; /**< So common code can tell which is which */\
411 OPJ_CODEC_FORMAT codec_format; /**< selected codec */\
412 void *j2k_handle; /**< pointer to the J2K codec */\
413 void *jp2_handle /**< pointer to the JP2 codec */
415 /* Routines that are to be used by both halves of the library are declared
416 * to receive a pointer to this structure. There are no actual instances of
417 * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.
419 typedef struct opj_common_struct {
420 opj_common_fields; /* Fields common to both master struct types */
421 /* Additional fields follow in an actual opj_cinfo_t or
422 * opj_dinfo_t. All three structs must agree on these
423 * initial fields! (This would be a lot cleaner in C++.)
425 } opj_common_struct_t;
427 typedef opj_common_struct_t * opj_common_ptr;
430 Compression context info
432 typedef struct opj_cinfo {
433 /** Fields shared with opj_dinfo_t */
435 /* other specific fields go here */
439 Decompression context info
441 typedef struct opj_dinfo {
442 /** Fields shared with opj_cinfo_t */
444 /* other specific fields go here */
448 ==========================================================
449 I/O stream typedef definitions
450 ==========================================================
456 /** The stream was opened for reading. */
457 #define OPJ_STREAM_READ 0x0001
458 /** The stream was opened for writing. */
459 #define OPJ_STREAM_WRITE 0x0002
462 Byte input-output stream (CIO)
464 typedef struct opj_cio {
466 opj_common_ptr cinfo;
468 /** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */
470 /** pointer to the start of the buffer */
471 unsigned char *buffer;
472 /** buffer size in bytes */
475 /** pointer to the start of the stream */
476 unsigned char *start;
477 /** pointer to the end of the stream */
479 /** pointer to the current position */
484 ==========================================================
485 image typedef definitions
486 ==========================================================
490 Defines a single image component
492 typedef struct opj_image_comp {
493 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
495 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
501 /** x component offset compared to the whole image */
503 /** y component offset compared to the whole image */
507 /** image depth in bits */
509 /** signed (1) / unsigned (0) */
511 /** number of decoded resolution */
513 /** number of division by 2 of the out image compared to the original size of image */
515 /** image component data */
520 Defines image data and characteristics
522 typedef struct opj_image {
523 /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */
525 /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */
527 /** Xsiz: width of the reference grid */
529 /** Ysiz: height of the reference grid */
531 /** number of components in the image */
533 /** color space: sRGB, Greyscale or YUV */
534 OPJ_COLOR_SPACE color_space;
535 /** image components */
536 opj_image_comp_t *comps;
540 Component parameters structure used by the opj_image_create function
542 typedef struct opj_image_comptparm {
543 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
545 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
551 /** x component offset compared to the whole image */
553 /** y component offset compared to the whole image */
557 /** image depth in bits */
559 /** signed (1) / unsigned (0) */
561 } opj_image_cmptparm_t;
569 ==========================================================
571 ==========================================================
574 OPJ_API const char * OPJ_CALLCONV opj_version();
577 ==========================================================
578 image functions definitions
579 ==========================================================
584 @param numcmpts number of components
585 @param cmptparms components parameters
586 @param clrspc image color space
587 @return returns a new image structure if successful, returns NULL otherwise
589 OPJ_API opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);
592 Deallocate any resources associated with an image
593 @param image image to be destroyed
595 OPJ_API void OPJ_CALLCONV opj_image_destroy(opj_image_t *image);
598 ==========================================================
599 stream functions definitions
600 ==========================================================
604 Open and allocate a memory stream for read / write.
605 On reading, the user must provide a buffer containing encoded data. The buffer will be
606 wrapped by the returned CIO handle.
607 On writing, buffer parameters must be set to 0: a buffer will be allocated by the library
608 to contain encoded data.
609 @param cinfo Codec context info
610 @param buffer Reading: buffer address. Writing: NULL
611 @param length Reading: buffer length. Writing: 0
612 @return Returns a CIO handle if successful, returns NULL otherwise
614 OPJ_API opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);
617 Close and free a CIO handle
618 @param cio CIO handle to free
620 OPJ_API void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio);
623 Get position in byte stream
624 @param cio CIO handle
625 @return Returns the position in bytes
627 OPJ_API int OPJ_CALLCONV cio_tell(opj_cio_t *cio);
629 Set position in byte stream
630 @param cio CIO handle
631 @param pos Position, in number of bytes, from the beginning of the stream
633 OPJ_API void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos);
636 ==========================================================
637 event manager functions definitions
638 ==========================================================
641 OPJ_API opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);
644 ==========================================================
645 codec functions definitions
646 ==========================================================
649 Creates a J2K/JPT/JP2 decompression structure
650 @param format Decoder to select
651 @return Returns a handle to a decompressor if successful, returns NULL otherwise
653 OPJ_API opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format);
655 Destroy a decompressor handle
656 @param dinfo decompressor handle to destroy
658 OPJ_API void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo);
660 Set decoding parameters to default values
661 @param parameters Decompression parameters
663 OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters);
665 Setup the decoder decoding parameters using user parameters.
666 Decoding parameters are returned in j2k->cp.
667 @param dinfo decompressor handle
668 @param parameters decompression parameters
670 OPJ_API void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);
672 Decode an image from a JPEG-2000 codestream
673 @param dinfo decompressor handle
674 @param cio Input buffer stream
675 @return Returns a decoded image if successful, returns NULL otherwise
677 OPJ_API opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);
679 Creates a J2K/JP2 compression structure
680 @param format Coder to select
681 @return Returns a handle to a compressor if successful, returns NULL otherwise
683 OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);
685 Destroy a compressor handle
686 @param cinfo compressor handle to destroy
688 OPJ_API void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo);
690 Set encoding parameters to default values, that means :
694 <li>Size of precinct : 2^15 x 2^15 (means 1 precinct)
695 <li>Size of code-block : 64 x 64
696 <li>Number of resolutions: 6
697 <li>No SOP marker in the codestream
698 <li>No EPH marker in the codestream
699 <li>No sub-sampling in x or y direction
700 <li>No mode switch activated
701 <li>Progression order: LRCP
704 <li>No offset of the origin of the image
705 <li>No offset of the origin of the tiles
706 <li>Reversible DWT 5-3
708 @param parameters Compression parameters
710 OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters);
712 Setup the encoder parameters using the current image and using user parameters.
713 @param cinfo compressor handle
714 @param parameters compression parameters
715 @param image input filled image
717 OPJ_API void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);
719 Encode an image into a JPEG-2000 codestream
720 @param cinfo compressor handle
721 @param cio Output buffer stream
722 @param image Image to encode
723 @param index Name of the index file if required, NULL otherwise
724 @return Returns true if successful, returns false otherwise
726 OPJ_API bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index);
732 #endif /* OPENJPEG_H */