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
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
34 #define OPENJPEG_VERSION "1.1.1"
37 ==========================================================
39 ==========================================================
42 #if defined(OPJ_STATIC) || !(defined(WIN32) || defined(__WIN32__))
46 #define OPJ_CALLCONV __stdcall
48 The following ifdef block is the standard way of creating macros which make exporting
49 from a DLL simpler. All files within this DLL are compiled with the OPJ_EXPORTS
50 symbol defined on the command line. this symbol should not be defined on any project
51 that uses this DLL. This way any other project whose source files include this file see
52 OPJ_API functions as being imported from a DLL, wheras this DLL sees symbols
53 defined with this macro as being exported.
56 #define OPJ_API __declspec(dllexport)
58 #define OPJ_API __declspec(dllimport)
59 #endif /* OPJ_EXPORTS */
60 #endif /* !OPJ_STATIC || !WIN32 */
63 #if defined(HAVE_STDBOOL_H)
65 The C language implementation does correctly provide the standard header
71 The C language implementation does not provide the standard header file
72 "stdbool.h" as required by ISO/IEC 9899:1999. Try to compensate for this
85 #endif /* __cplusplus */
88 ==========================================================
89 Useful constant definitions
90 ==========================================================
93 #define OPJ_PATH_LEN 4096 /**< Maximum allowed size for filenames */
95 #define J2K_MAXRLVLS 33 /**< Number of maximum resolution level authorized */
96 #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 #endif /* USE_JPWL */
111 ==========================================================
113 ==========================================================
116 typedef enum RSIZ_CAPABILITIES {
118 CINEMA2K = 3, /** Profile name for a 2K image*/
119 CINEMA4K = 4 /** Profile name for a 4K image*/
120 } OPJ_RSIZ_CAPABILITIES;
122 typedef enum CINEMA_MODE {
129 /** Progression order */
130 typedef enum PROG_ORDER {
131 PROG_UNKNOWN = -1, /**< place-holder */
132 LRCP = 0, /**< layer-resolution-component-precinct order */
133 RLCP = 1, /**< resolution-layer-component-precinct order */
134 RPCL = 2, /**< resolution-precinct-component-layer order */
135 PCRL = 3, /**< precinct-component-resolution-layer order */
136 CPRL = 4 /**< component-precinct-resolution-layer order */
140 Supported image color spaces
142 typedef enum COLOR_SPACE {
143 CLRSPC_UNKNOWN = -1, /**< place-holder */
144 CLRSPC_SRGB = 1, /**< sRGB */
145 CLRSPC_GRAY = 2, /**< grayscale */
146 CLRSPC_SYCC = 3 /**< YUV */
152 typedef enum CODEC_FORMAT {
153 CODEC_UNKNOWN = -1, /**< place-holder */
154 CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
155 CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
156 CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
160 Limit decoding to certain portions of the codestream.
162 typedef enum LIMIT_DECODING {
163 NO_LIMITATION = 0, /**< No limitation for the decoding. The entire codestream will de decoded */
164 LIMIT_TO_MAIN_HEADER = 1 /**< The decoding is limited to the Main Header */
165 } OPJ_LIMIT_DECODING;
168 ==========================================================
169 event manager typedef definitions
170 ==========================================================
174 Callback function prototype for events
175 @param msg Event message
178 typedef void (*opj_msg_callback) (const char *msg, void *client_data);
181 Message handler object
186 <li>Debugging messages
189 typedef struct opj_event_mgr {
190 /** Error message callback if available, NULL otherwise */
191 opj_msg_callback error_handler;
192 /** Warning message callback if available, NULL otherwise */
193 opj_msg_callback warning_handler;
194 /** Debug message callback if available, NULL otherwise */
195 opj_msg_callback info_handler;
200 ==========================================================
201 codec typedef definitions
202 ==========================================================
206 Progression order changes
208 typedef struct opj_poc {
210 int layno1, resno1, compno1;
217 Compression parameters
219 typedef struct opj_cparameters {
220 /** Digital Cinema compliance 0-not compliant, 1-compliant*/
221 OPJ_CINEMA_MODE cp_cinema;
222 /** Progression order*/
225 OPJ_RSIZ_CAPABILITIES cp_rsiz;
226 /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
236 /** allocation by rate/distortion */
238 /** allocation by fixed layer */
240 /** add fixed_quality */
241 int cp_fixed_quality;
244 /** comment for coding */
246 /** csty : coding style */
248 /** progression order (default LRCP) */
249 OPJ_PROG_ORDER prog_order;
250 /** progression order changes */
252 /** number of progression order changes (POC), default to 0 */
254 /** number of layers */
256 /** rates of layers */
257 float tcp_rates[100];
258 /** different psnr for successive layers */
259 float tcp_distoratio[100];
260 /** number of resolutions */
262 /** initial code block width, default to 64 */
264 /** initial code block height, default to 64 */
266 /** mode switch (cblk_style) */
268 /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
270 /** region of interest: affected component in [0..3], -1 means no ROI */
272 /** region of interest: upshift value */
274 /* number of precinct size specifications */
276 /** initial precinct width */
277 int prcw_init[J2K_MAXRLVLS];
278 /** initial precinct height */
279 int prch_init[J2K_MAXRLVLS];
281 /**@name command line encoder parameters (not used inside the library) */
283 /** input file name */
284 char infile[OPJ_PATH_LEN];
285 /** output file name */
286 char outfile[OPJ_PATH_LEN];
287 /** creation of an index file, default to 0 (false) */
289 /** index file name */
290 char index[OPJ_PATH_LEN];
291 /** subimage encoding: origin image offset in x direction */
293 /** subimage encoding: origin image offset in y direction */
295 /** subsampling value for dx */
297 /** subsampling value for dy */
299 /** input file format 0: PGX, 1: PxM, 2: BMP 3:TIF*/
301 /** output file format 0: J2K, 1: JP2, 2: JPT */
307 /**@name JPWL encoding parameters */
309 /** enables writing of EPC in MH, thus activating JPWL */
311 /** error protection method for MH (0,1,16,32,37-128) */
313 /** tile number of header protection specification (>=0) */
314 int jpwl_hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
315 /** error protection methods for TPHs (0,1,16,32,37-128) */
316 int jpwl_hprot_TPH[JPWL_MAX_NO_TILESPECS];
317 /** tile number of packet protection specification (>=0) */
318 int jpwl_pprot_tileno[JPWL_MAX_NO_PACKSPECS];
319 /** packet number of packet protection specification (>=0) */
320 int jpwl_pprot_packno[JPWL_MAX_NO_PACKSPECS];
321 /** error protection methods for packets (0,1,16,32,37-128) */
322 int jpwl_pprot[JPWL_MAX_NO_PACKSPECS];
323 /** enables writing of ESD, (0=no/1/2 bytes) */
325 /** sensitivity addressing size (0=auto/2/4 bytes) */
327 /** sensitivity range (0-3) */
329 /** sensitivity method for MH (-1=no,0-7) */
331 /** tile number of sensitivity specification (>=0) */
332 int jpwl_sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
333 /** sensitivity methods for TPHs (-1=no,0-7) */
334 int jpwl_sens_TPH[JPWL_MAX_NO_TILESPECS];
336 #endif /* USE_JPWL */
342 Decompression parameters
344 typedef struct opj_dparameters {
346 Set the number of highest resolution levels to be discarded.
347 The image resolution is effectively divided by 2 to the power of the number of discarded levels.
348 The reduce factor is limited by the smallest total number of decomposition levels among tiles.
349 if != 0, then original dimension divided by 2^(reduce);
350 if == 0 or not used, image is decoded to the full resolution
354 Set the maximum number of quality layers to decode.
355 If there are less quality layers than the specified number, all the quality layers are decoded.
356 if != 0, then only the first "layer" layers are decoded;
357 if == 0 or not used, all the quality layers are decoded
362 Specify whether the decoding should be done on the entire codestream, or be limited to the main header
363 Limiting the decoding to the main header makes it possible to extract the characteristics of the codestream
364 if == NO_LIMITATION, the entire codestream is decoded;
365 if == LIMIT_TO_MAIN_HEADER, only the main header is decoded;
367 OPJ_LIMIT_DECODING cp_limit_decoding;
369 /**@name command line encoder parameters (not used inside the library) */
371 /** input file name */
372 char infile[OPJ_PATH_LEN];
373 /** output file name */
374 char outfile[OPJ_PATH_LEN];
375 /** input file format 0: J2K, 1: JP2, 2: JPT */
377 /** output file format 0: PGX, 1: PxM, 2: BMP */
383 /**@name JPWL decoding parameters */
385 /** activates the JPWL correction capabilities */
387 /** expected number of components */
389 /** maximum number of tiles */
392 #endif /* USE_JPWL */
396 /** Common fields between JPEG-2000 compression and decompression master structs. */
398 #define opj_common_fields \
399 opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\
400 void * client_data; /**< Available for use by application */\
401 bool is_decompressor; /**< So common code can tell which is which */\
402 OPJ_CODEC_FORMAT codec_format; /**< selected codec */\
403 void *j2k_handle; /**< pointer to the J2K codec */\
404 void *jp2_handle /**< pointer to the JP2 codec */
406 /* Routines that are to be used by both halves of the library are declared
407 * to receive a pointer to this structure. There are no actual instances of
408 * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.
410 typedef struct opj_common_struct {
411 opj_common_fields; /* Fields common to both master struct types */
412 /* Additional fields follow in an actual opj_cinfo_t or
413 * opj_dinfo_t. All three structs must agree on these
414 * initial fields! (This would be a lot cleaner in C++.)
416 } opj_common_struct_t;
418 typedef opj_common_struct_t * opj_common_ptr;
421 Compression context info
423 typedef struct opj_cinfo {
424 /** Fields shared with opj_dinfo_t */
426 /* other specific fields go here */
430 Decompression context info
432 typedef struct opj_dinfo {
433 /** Fields shared with opj_cinfo_t */
435 /* other specific fields go here */
439 ==========================================================
440 I/O stream typedef definitions
441 ==========================================================
447 /** The stream was opened for reading. */
448 #define OPJ_STREAM_READ 0x0001
449 /** The stream was opened for writing. */
450 #define OPJ_STREAM_WRITE 0x0002
453 Byte input-output stream (CIO)
455 typedef struct opj_cio {
457 opj_common_ptr cinfo;
459 /** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */
461 /** pointer to the start of the buffer */
462 unsigned char *buffer;
463 /** buffer size in bytes */
466 /** pointer to the start of the stream */
467 unsigned char *start;
468 /** pointer to the end of the stream */
470 /** pointer to the current position */
475 ==========================================================
476 image typedef definitions
477 ==========================================================
481 Defines a single image component
483 typedef struct opj_image_comp {
484 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
486 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
492 /** x component offset compared to the whole image */
494 /** y component offset compared to the whole image */
498 /** image depth in bits */
500 /** signed (1) / unsigned (0) */
502 /** number of decoded resolution */
504 /** number of division by 2 of the out image compared to the original size of image */
506 /** image component data */
511 Defines image data and characteristics
513 typedef struct opj_image {
514 /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */
516 /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */
518 /** Xsiz: width of the reference grid */
520 /** Ysiz: height of the reference grid */
522 /** number of components in the image */
524 /** color space: sRGB, Greyscale or YUV */
525 OPJ_COLOR_SPACE color_space;
526 /** image components */
527 opj_image_comp_t *comps;
531 Component parameters structure used by the opj_image_create function
533 typedef struct opj_image_comptparm {
534 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
536 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
542 /** x component offset compared to the whole image */
544 /** y component offset compared to the whole image */
548 /** image depth in bits */
550 /** signed (1) / unsigned (0) */
552 } opj_image_cmptparm_t;
560 ==========================================================
562 ==========================================================
565 OPJ_API const char * OPJ_CALLCONV opj_version();
568 ==========================================================
569 image functions definitions
570 ==========================================================
575 @param numcmpts number of components
576 @param cmptparms components parameters
577 @param clrspc image color space
578 @return returns a new image structure if successful, returns NULL otherwise
580 OPJ_API opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);
583 Deallocate any resources associated with an image
584 @param image image to be destroyed
586 OPJ_API void OPJ_CALLCONV opj_image_destroy(opj_image_t *image);
589 ==========================================================
590 stream functions definitions
591 ==========================================================
595 Open and allocate a memory stream for read / write.
596 On reading, the user must provide a buffer containing encoded data. The buffer will be
597 wrapped by the returned CIO handle.
598 On writing, buffer parameters must be set to 0: a buffer will be allocated by the library
599 to contain encoded data.
600 @param cinfo Codec context info
601 @param buffer Reading: buffer address. Writing: NULL
602 @param length Reading: buffer length. Writing: 0
603 @return Returns a CIO handle if successful, returns NULL otherwise
605 OPJ_API opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);
608 Close and free a CIO handle
609 @param cio CIO handle to free
611 OPJ_API void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio);
614 Get position in byte stream
615 @param cio CIO handle
616 @return Returns the position in bytes
618 OPJ_API int OPJ_CALLCONV cio_tell(opj_cio_t *cio);
620 Set position in byte stream
621 @param cio CIO handle
622 @param pos Position, in number of bytes, from the beginning of the stream
624 OPJ_API void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos);
627 ==========================================================
628 event manager functions definitions
629 ==========================================================
632 OPJ_API opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);
635 ==========================================================
636 codec functions definitions
637 ==========================================================
640 Creates a J2K/JPT/JP2 decompression structure
641 @param format Decoder to select
642 @return Returns a handle to a decompressor if successful, returns NULL otherwise
644 OPJ_API opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format);
646 Destroy a decompressor handle
647 @param dinfo decompressor handle to destroy
649 OPJ_API void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo);
651 Set decoding parameters to default values
652 @param parameters Decompression parameters
654 OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters);
656 Setup the decoder decoding parameters using user parameters.
657 Decoding parameters are returned in j2k->cp.
658 @param dinfo decompressor handle
659 @param parameters decompression parameters
661 OPJ_API void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);
663 Decode an image from a JPEG-2000 codestream
664 @param dinfo decompressor handle
665 @param cio Input buffer stream
666 @return Returns a decoded image if successful, returns NULL otherwise
668 OPJ_API opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);
670 Creates a J2K/JP2 compression structure
671 @param format Coder to select
672 @return Returns a handle to a compressor if successful, returns NULL otherwise
674 OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);
676 Destroy a compressor handle
677 @param cinfo compressor handle to destroy
679 OPJ_API void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo);
681 Set encoding parameters to default values, that means :
685 <li>Size of precinct : 2^15 x 2^15 (means 1 precinct)
686 <li>Size of code-block : 64 x 64
687 <li>Number of resolutions: 6
688 <li>No SOP marker in the codestream
689 <li>No EPH marker in the codestream
690 <li>No sub-sampling in x or y direction
691 <li>No mode switch activated
692 <li>Progression order: LRCP
695 <li>No offset of the origin of the image
696 <li>No offset of the origin of the tiles
697 <li>Reversible DWT 5-3
699 @param parameters Compression parameters
701 OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters);
703 Setup the encoder parameters using the current image and using user parameters.
704 @param cinfo compressor handle
705 @param parameters compression parameters
706 @param image input filled image
708 OPJ_API void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);
710 Encode an image into a JPEG-2000 codestream
711 @param cinfo compressor handle
712 @param cio Output buffer stream
713 @param image Image to encode
714 @param index Name of the index file if required, NULL otherwise
715 @return Returns true if successful, returns false otherwise
717 OPJ_API bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index);
723 #endif /* OPENJPEG_H */