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 "1.1.0"
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 /** Progression order */
117 typedef enum PROG_ORDER {
118 PROG_UNKNOWN = -1, /**< place-holder */
119 LRCP = 0, /**< layer-resolution-component-precinct order */
120 RLCP = 1, /**< resolution-layer-component-precinct order */
121 RPCL = 2, /**< resolution-precinct-component-layer order */
122 PCRL = 3, /**< precinct-component-resolution-layer order */
123 CPRL = 4 /**< component-precinct-resolution-layer order */
127 Supported image color spaces
129 typedef enum COLOR_SPACE {
130 CLRSPC_UNKNOWN = -1, /**< place-holder */
131 CLRSPC_SRGB = 1, /**< sRGB */
132 CLRSPC_GRAY = 2, /**< grayscale */
133 CLRSPC_SYCC = 3 /**< YUV */
139 typedef enum CODEC_FORMAT {
140 CODEC_UNKNOWN = -1, /**< place-holder */
141 CODEC_J2K = 0, /**< JPEG-2000 codestream : read/write */
142 CODEC_JPT = 1, /**< JPT-stream (JPEG 2000, JPIP) : read only */
143 CODEC_JP2 = 2 /**< JPEG-2000 file format : read/write */
147 ==========================================================
148 event manager typedef definitions
149 ==========================================================
153 Callback function prototype for events
154 @param msg Event message
157 typedef void (*opj_msg_callback) (const char *msg, void *client_data);
160 Message handler object
165 <li>Debugging messages
168 typedef struct opj_event_mgr {
169 /** Error message callback if available, NULL otherwise */
170 opj_msg_callback error_handler;
171 /** Warning message callback if available, NULL otherwise */
172 opj_msg_callback warning_handler;
173 /** Debug message callback if available, NULL otherwise */
174 opj_msg_callback info_handler;
179 ==========================================================
180 codec typedef definitions
181 ==========================================================
185 Progression order changes
187 typedef struct opj_poc {
189 int layno1, resno1, compno1;
196 Compression parameters
198 typedef struct opj_cparameters {
199 /** size of tile: tile_size_on = false (not in argument) or = true (in argument) */
209 /** allocation by rate/distortion */
211 /** allocation by fixed layer */
213 /** add fixed_quality */
214 int cp_fixed_quality;
217 /** comment for coding */
219 /** csty : coding style */
221 /** progression order (default LRCP) */
222 OPJ_PROG_ORDER prog_order;
223 /** progression order changes */
225 /** number of progression order changes (POC), default to 0 */
227 /** number of layers */
229 /** rates of layers */
230 float tcp_rates[100];
231 /** different psnr for successive layers */
232 float tcp_distoratio[100];
233 /** number of resolutions */
235 /** initial code block width, default to 64 */
237 /** initial code block height, default to 64 */
239 /** mode switch (cblk_style) */
241 /** 1 : use the irreversible DWT 9-7, 0 : use lossless compression (default) */
243 /** region of interest: affected component in [0..3], -1 means no ROI */
245 /** region of interest: upshift value */
247 /* number of precinct size specifications */
249 /** initial precinct width */
250 int prcw_init[J2K_MAXRLVLS];
251 /** initial precinct height */
252 int prch_init[J2K_MAXRLVLS];
254 /**@name command line encoder parameters (not used inside the library) */
256 /** input file name */
257 char infile[OPJ_PATH_LEN];
258 /** output file name */
259 char outfile[OPJ_PATH_LEN];
260 /** creation of an index file, default to 0 (false) */
262 /** index file name */
263 char index[OPJ_PATH_LEN];
264 /** subimage encoding: origin image offset in x direction */
266 /** subimage encoding: origin image offset in y direction */
268 /** subsampling value for dx */
270 /** subsampling value for dy */
272 /** input file format 0: PGX, 1: PxM, 2: BMP */
274 /** output file format 0: J2K, 1: JP2, 2: JPT */
280 /**@name JPWL encoding parameters */
282 /** enables writing of EPC in MH, thus activating JPWL */
284 /** error protection method for MH (0,1,16,32,37-128) */
286 /** tile number of header protection specification (>=0) */
287 int jpwl_hprot_TPH_tileno[JPWL_MAX_NO_TILESPECS];
288 /** error protection methods for TPHs (0,1,16,32,37-128) */
289 int jpwl_hprot_TPH[JPWL_MAX_NO_TILESPECS];
290 /** tile number of packet protection specification (>=0) */
291 int jpwl_pprot_tileno[JPWL_MAX_NO_PACKSPECS];
292 /** packet number of packet protection specification (>=0) */
293 int jpwl_pprot_packno[JPWL_MAX_NO_PACKSPECS];
294 /** error protection methods for packets (0,1,16,32,37-128) */
295 int jpwl_pprot[JPWL_MAX_NO_PACKSPECS];
296 /** enables writing of ESD, (0=no/1/2 bytes) */
298 /** sensitivity addressing size (0=auto/2/4 bytes) */
300 /** sensitivity range (0-3) */
302 /** sensitivity method for MH (-1=no,0-7) */
304 /** tile number of sensitivity specification (>=0) */
305 int jpwl_sens_TPH_tileno[JPWL_MAX_NO_TILESPECS];
306 /** sensitivity methods for TPHs (-1=no,0-7) */
307 int jpwl_sens_TPH[JPWL_MAX_NO_TILESPECS];
309 #endif /* USE_JPWL */
315 Decompression parameters
317 typedef struct opj_dparameters {
319 Set the number of highest resolution levels to be discarded.
320 The image resolution is effectively divided by 2 to the power of the number of discarded levels.
321 The reduce factor is limited by the smallest total number of decomposition levels among tiles.
322 if != 0, then original dimension divided by 2^(reduce);
323 if == 0 or not used, image is decoded to the full resolution
327 Set the maximum number of quality layers to decode.
328 If there are less quality layers than the specified number, all the quality layers are decoded.
329 if != 0, then only the first "layer" layers are decoded;
330 if == 0 or not used, all the quality layers are decoded
334 /**@name command line encoder parameters (not used inside the library) */
336 /** input file name */
337 char infile[OPJ_PATH_LEN];
338 /** output file name */
339 char outfile[OPJ_PATH_LEN];
340 /** input file format 0: J2K, 1: JP2, 2: JPT */
342 /** output file format 0: PGX, 1: PxM, 2: BMP */
348 /**@name JPWL decoding parameters */
350 /** activates the JPWL correction capabilities */
352 /** expected number of components */
354 /** maximum number of tiles */
357 #endif /* USE_JPWL */
361 /** Common fields between JPEG-2000 compression and decompression master structs. */
363 #define opj_common_fields \
364 opj_event_mgr_t *event_mgr; /**< pointer to the event manager */\
365 void * client_data; /**< Available for use by application */\
366 bool is_decompressor; /**< So common code can tell which is which */\
367 OPJ_CODEC_FORMAT codec_format; /**< selected codec */\
368 void *j2k_handle; /**< pointer to the J2K codec */\
369 void *jp2_handle /**< pointer to the JP2 codec */
371 /* Routines that are to be used by both halves of the library are declared
372 * to receive a pointer to this structure. There are no actual instances of
373 * opj_common_struct_t, only of opj_cinfo_t and opj_dinfo_t.
375 typedef struct opj_common_struct {
376 opj_common_fields; /* Fields common to both master struct types */
377 /* Additional fields follow in an actual opj_cinfo_t or
378 * opj_dinfo_t. All three structs must agree on these
379 * initial fields! (This would be a lot cleaner in C++.)
381 } opj_common_struct_t;
383 typedef opj_common_struct_t * opj_common_ptr;
386 Compression context info
388 typedef struct opj_cinfo {
389 /** Fields shared with opj_dinfo_t */
391 /* other specific fields go here */
395 Decompression context info
397 typedef struct opj_dinfo {
398 /** Fields shared with opj_cinfo_t */
400 /* other specific fields go here */
404 ==========================================================
405 I/O stream typedef definitions
406 ==========================================================
412 /** The stream was opened for reading. */
413 #define OPJ_STREAM_READ 0x0001
414 /** The stream was opened for writing. */
415 #define OPJ_STREAM_WRITE 0x0002
418 Byte input-output stream (CIO)
420 typedef struct opj_cio {
422 opj_common_ptr cinfo;
424 /** open mode (read/write) either OPJ_STREAM_READ or OPJ_STREAM_WRITE */
426 /** pointer to the start of the buffer */
427 unsigned char *buffer;
428 /** buffer size in bytes */
431 /** pointer to the start of the stream */
432 unsigned char *start;
433 /** pointer to the end of the stream */
435 /** pointer to the current position */
440 ==========================================================
441 image typedef definitions
442 ==========================================================
446 Defines a single image component
448 typedef struct opj_image_comp {
449 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
451 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
457 /** x component offset compared to the whole image */
459 /** y component offset compared to the whole image */
463 /** image depth in bits */
465 /** signed (1) / unsigned (0) */
467 /** number of decoded resolution */
469 /** number of division by 2 of the out image compared to the original size of image */
471 /** image component data */
476 Defines image data and characteristics
478 typedef struct opj_image {
479 /** XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area */
481 /** YOsiz: vertical offset from the origin of the reference grid to the top side of the image area */
483 /** Xsiz: width of the reference grid */
485 /** Ysiz: height of the reference grid */
487 /** number of components in the image */
489 /** color space: sRGB, Greyscale or YUV */
490 OPJ_COLOR_SPACE color_space;
491 /** image components */
492 opj_image_comp_t *comps;
496 Component parameters structure used by the opj_image_create function
498 typedef struct opj_image_comptparm {
499 /** XRsiz: horizontal separation of a sample of ith component with respect to the reference grid */
501 /** YRsiz: vertical separation of a sample of ith component with respect to the reference grid */
507 /** x component offset compared to the whole image */
509 /** y component offset compared to the whole image */
513 /** image depth in bits */
515 /** signed (1) / unsigned (0) */
517 } opj_image_cmptparm_t;
525 ==========================================================
527 ==========================================================
530 OPJ_API const char * OPJ_CALLCONV opj_version();
533 ==========================================================
534 image functions definitions
535 ==========================================================
540 @param numcmpts number of components
541 @param cmptparms components parameters
542 @param clrspc image color space
543 @return returns a new image structure if successful, returns NULL otherwise
545 OPJ_API opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc);
548 Deallocate any resources associated with an image
549 @param image image to be destroyed
551 OPJ_API void OPJ_CALLCONV opj_image_destroy(opj_image_t *image);
554 ==========================================================
555 stream functions definitions
556 ==========================================================
560 Open and allocate a memory stream for read / write.
561 On reading, the user must provide a buffer containing encoded data. The buffer will be
562 wrapped by the returned CIO handle.
563 On writing, buffer parameters must be set to 0: a buffer will be allocated by the library
564 to contain encoded data.
565 @param cinfo Codec context info
566 @param buffer Reading: buffer address. Writing: NULL
567 @param length Reading: buffer length. Writing: 0
568 @return Returns a CIO handle if successful, returns NULL otherwise
570 OPJ_API opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length);
573 Close and free a CIO handle
574 @param cio CIO handle to free
576 OPJ_API void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio);
579 Get position in byte stream
580 @param cio CIO handle
581 @return Returns the position in bytes
583 OPJ_API int OPJ_CALLCONV cio_tell(opj_cio_t *cio);
585 Set position in byte stream
586 @param cio CIO handle
587 @param pos Position, in number of bytes, from the beginning of the stream
589 OPJ_API void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos);
592 ==========================================================
593 event manager functions definitions
594 ==========================================================
597 OPJ_API opj_event_mgr_t* OPJ_CALLCONV opj_set_event_mgr(opj_common_ptr cinfo, opj_event_mgr_t *event_mgr, void *context);
600 ==========================================================
601 codec functions definitions
602 ==========================================================
605 Creates a J2K/JPT/JP2 decompression structure
606 @param format Decoder to select
607 @return Returns a handle to a decompressor if successful, returns NULL otherwise
609 OPJ_API opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format);
611 Destroy a decompressor handle
612 @param dinfo decompressor handle to destroy
614 OPJ_API void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo);
616 Set decoding parameters to default values
617 @param parameters Decompression parameters
619 OPJ_API void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters);
621 Setup the decoder decoding parameters using user parameters.
622 Decoding parameters are returned in j2k->cp.
623 @param dinfo decompressor handle
624 @param parameters decompression parameters
626 OPJ_API void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters);
628 Decode an image from a JPEG-2000 codestream
629 @param dinfo decompressor handle
630 @param cio Input buffer stream
631 @return Returns a decoded image if successful, returns NULL otherwise
633 OPJ_API opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio);
635 Creates a J2K/JP2 compression structure
636 @param format Coder to select
637 @return Returns a handle to a compressor if successful, returns NULL otherwise
639 OPJ_API opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format);
641 Destroy a compressor handle
642 @param cinfo compressor handle to destroy
644 OPJ_API void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo);
646 Set encoding parameters to default values, that means :
650 <li>Size of precinct : 2^15 x 2^15 (means 1 precinct)
651 <li>Size of code-block : 64 x 64
652 <li>Number of resolutions: 6
653 <li>No SOP marker in the codestream
654 <li>No EPH marker in the codestream
655 <li>No sub-sampling in x or y direction
656 <li>No mode switch activated
657 <li>Progression order: LRCP
660 <li>No offset of the origin of the image
661 <li>No offset of the origin of the tiles
662 <li>Reversible DWT 5-3
664 @param parameters Compression parameters
666 OPJ_API void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters);
668 Setup the encoder parameters using the current image and using user parameters.
669 @param cinfo compressor handle
670 @param parameters compression parameters
671 @param image input filled image
673 OPJ_API void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image);
675 Encode an image into a JPEG-2000 codestream
676 @param cinfo compressor handle
677 @param cio Output buffer stream
678 @param image Image to encode
679 @param index Name of the index file if required, NULL otherwise
680 @return Returns true if successful, returns false otherwise
682 OPJ_API bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index);
688 #endif /* OPENJPEG_H */