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.
33 #include "opj_includes.h"
35 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
38 /** @name Local static functions */
42 Write the SOC marker (Start Of Codestream)
45 static void j2k_write_soc(opj_j2k_t *j2k);
47 Read the SOC marker (Start of Codestream)
50 static void j2k_read_soc(opj_j2k_t *j2k);
52 Write the SIZ marker (image and tile size)
55 static void j2k_write_siz(opj_j2k_t *j2k);
57 Read the SIZ marker (image and tile size)
60 static void j2k_read_siz(opj_j2k_t *j2k);
62 Write the COM marker (comment)
65 static void j2k_write_com(opj_j2k_t *j2k);
67 Read the COM marker (comment)
70 static void j2k_read_com(opj_j2k_t *j2k);
72 Write the value concerning the specified component in the marker COD and COC
74 @param compno Number of the component concerned by the information written
76 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
78 Read the value concerning the specified component in the marker COD and COC
80 @param compno Number of the component concerned by the information read
82 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
84 Write the COD marker (coding style default)
87 static void j2k_write_cod(opj_j2k_t *j2k);
89 Read the COD marker (coding style default)
92 static void j2k_read_cod(opj_j2k_t *j2k);
94 Write the COC marker (coding style component)
96 @param compno Number of the component concerned by the information written
98 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
100 Read the COC marker (coding style component)
101 @param j2k J2K handle
103 static void j2k_read_coc(opj_j2k_t *j2k);
105 Write the value concerning the specified component in the marker QCD and QCC
106 @param j2k J2K handle
107 @param compno Number of the component concerned by the information written
109 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
111 Read the value concerning the specified component in the marker QCD and QCC
112 @param j2k J2K handle
113 @param compno Number of the component concern by the information read
114 @param len Length of the information in the QCX part of the marker QCD/QCC
116 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
118 Write the QCD marker (quantization default)
119 @param j2k J2K handle
121 static void j2k_write_qcd(opj_j2k_t *j2k);
123 Read the QCD marker (quantization default)
124 @param j2k J2K handle
126 static void j2k_read_qcd(opj_j2k_t *j2k);
128 Write the QCC marker (quantization component)
129 @param j2k J2K handle
130 @param compno Number of the component concerned by the information written
132 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
134 Read the QCC marker (quantization component)
135 @param j2k J2K handle
137 static void j2k_read_qcc(opj_j2k_t *j2k);
139 Write the POC marker (progression order change)
140 @param j2k J2K handle
142 static void j2k_write_poc(opj_j2k_t *j2k);
144 Read the POC marker (progression order change)
145 @param j2k J2K handle
147 static void j2k_read_poc(opj_j2k_t *j2k);
149 Read the CRG marker (component registration)
150 @param j2k J2K handle
152 static void j2k_read_crg(opj_j2k_t *j2k);
154 Read the TLM marker (tile-part lengths)
155 @param j2k J2K handle
157 static void j2k_read_tlm(opj_j2k_t *j2k);
159 Read the PLM marker (packet length, main header)
160 @param j2k J2K handle
162 static void j2k_read_plm(opj_j2k_t *j2k);
164 Read the PLT marker (packet length, tile-part header)
165 @param j2k J2K handle
167 static void j2k_read_plt(opj_j2k_t *j2k);
169 Read the PPM marker (packet packet headers, main header)
170 @param j2k J2K handle
172 static void j2k_read_ppm(opj_j2k_t *j2k);
174 Read the PPT marker (packet packet headers, tile-part header)
175 @param j2k J2K handle
177 static void j2k_read_ppt(opj_j2k_t *j2k);
179 Write the TLM marker (Mainheader)
180 @param j2k J2K handle
182 static void j2k_write_tlm(opj_j2k_t *j2k);
184 Write the SOT marker (start of tile-part)
185 @param j2k J2K handle
187 static void j2k_write_sot(opj_j2k_t *j2k);
189 Read the SOT marker (start of tile-part)
190 @param j2k J2K handle
192 static void j2k_read_sot(opj_j2k_t *j2k);
194 Write the SOD marker (start of data)
195 @param j2k J2K handle
196 @param tile_coder Pointer to a TCD handle
198 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
200 Read the SOD marker (start of data)
201 @param j2k J2K handle
203 static void j2k_read_sod(opj_j2k_t *j2k);
205 Write the RGN marker (region-of-interest)
206 @param j2k J2K handle
207 @param compno Number of the component concerned by the information written
208 @param tileno Number of the tile concerned by the information written
210 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
212 Read the RGN marker (region-of-interest)
213 @param j2k J2K handle
215 static void j2k_read_rgn(opj_j2k_t *j2k);
217 Write the EOC marker (end of codestream)
218 @param j2k J2K handle
220 static void j2k_write_eoc(opj_j2k_t *j2k);
222 Read the EOC marker (end of codestream)
223 @param j2k J2K handle
225 static void j2k_read_eoc(opj_j2k_t *j2k);
227 Read an unknown marker
228 @param j2k J2K handle
230 static void j2k_read_unk(opj_j2k_t *j2k);
236 /* ----------------------------------------------------------------------- */
237 typedef struct j2k_prog_order{
238 OPJ_PROG_ORDER enum_prog;
242 j2k_prog_order_t j2k_prog_order_list[] = {
248 {(OPJ_PROG_ORDER)-1, ""}
251 char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
252 j2k_prog_order_t *po;
253 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
254 if(po->enum_prog == prg_order){
261 void j2k_dump_image(FILE *fd, opj_image_t * img) {
263 fprintf(fd, "image {\n");
264 fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0, img->x1, img->y1);
265 fprintf(fd, " numcomps=%d\n", img->numcomps);
266 for (compno = 0; compno < img->numcomps; compno++) {
267 opj_image_comp_t *comp = &img->comps[compno];
268 fprintf(fd, " comp %d {\n", compno);
269 fprintf(fd, " dx=%d, dy=%d\n", comp->dx, comp->dy);
270 fprintf(fd, " prec=%d\n", comp->prec);
271 fprintf(fd, " sgnd=%d\n", comp->sgnd);
277 void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) {
278 int tileno, compno, layno, bandno, resno, numbands;
279 fprintf(fd, "coding parameters {\n");
280 fprintf(fd, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
281 fprintf(fd, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
282 fprintf(fd, " tw=%d, th=%d\n", cp->tw, cp->th);
283 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
284 opj_tcp_t *tcp = &cp->tcps[tileno];
285 fprintf(fd, " tile %d {\n", tileno);
286 fprintf(fd, " csty=%x\n", tcp->csty);
287 fprintf(fd, " prg=%d\n", tcp->prg);
288 fprintf(fd, " numlayers=%d\n", tcp->numlayers);
289 fprintf(fd, " mct=%d\n", tcp->mct);
290 fprintf(fd, " rates=");
291 for (layno = 0; layno < tcp->numlayers; layno++) {
292 fprintf(fd, "%.1f ", tcp->rates[layno]);
295 for (compno = 0; compno < img->numcomps; compno++) {
296 opj_tccp_t *tccp = &tcp->tccps[compno];
297 fprintf(fd, " comp %d {\n", compno);
298 fprintf(fd, " csty=%x\n", tccp->csty);
299 fprintf(fd, " numresolutions=%d\n", tccp->numresolutions);
300 fprintf(fd, " cblkw=%d\n", tccp->cblkw);
301 fprintf(fd, " cblkh=%d\n", tccp->cblkh);
302 fprintf(fd, " cblksty=%x\n", tccp->cblksty);
303 fprintf(fd, " qmfbid=%d\n", tccp->qmfbid);
304 fprintf(fd, " qntsty=%d\n", tccp->qntsty);
305 fprintf(fd, " numgbits=%d\n", tccp->numgbits);
306 fprintf(fd, " roishift=%d\n", tccp->roishift);
307 fprintf(fd, " stepsizes=");
308 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
309 for (bandno = 0; bandno < numbands; bandno++) {
310 fprintf(fd, "(%d,%d) ", tccp->stepsizes[bandno].mant,
311 tccp->stepsizes[bandno].expn);
315 if (tccp->csty & J2K_CCP_CSTY_PRT) {
316 fprintf(fd, " prcw=");
317 for (resno = 0; resno < tccp->numresolutions; resno++) {
318 fprintf(fd, "%d ", tccp->prcw[resno]);
321 fprintf(fd, " prch=");
322 for (resno = 0; resno < tccp->numresolutions; resno++) {
323 fprintf(fd, "%d ", tccp->prch[resno]);
334 /* ----------------------------------------------------------------------- */
335 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
339 opj_tcp_t *tcp = &cp->tcps[tileno];
340 prog = j2k_convert_progression_order(tcp->prg);
345 if( cp->tp_flag == prog[i] ){
346 tpend=1;cp->tp_pos=i;
350 tpnum= tpnum * tcp->pocs[pino].compE;
353 tpnum= tpnum * tcp->pocs[pino].resE;
356 tpnum= tpnum * tcp->pocs[pino].prcE;
359 tpnum= tpnum * tcp->pocs[pino].layE;
370 /** mem allocation for TLM marker*/
371 int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
372 int pino,tileno,totnum_tp=0;
373 j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
374 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
375 int cur_totnum_tp = 0;
376 opj_tcp_t *tcp = &cp->tcps[tileno];
377 for(pino = 0; pino <= tcp->numpocs; pino++) {
379 opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
380 if(!pi) { return -1;}
381 tp_num = j2k_get_num_tp(cp,pino,tileno);
382 totnum_tp = totnum_tp + tp_num;
383 cur_totnum_tp = cur_totnum_tp + tp_num;
384 pi_destroy(pi, cp, tileno);
386 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
388 if (j2k->cstr_info) {
389 j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp;
390 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
397 static void j2k_write_soc(opj_j2k_t *j2k) {
398 opj_cio_t *cio = j2k->cio;
399 cio_write(cio, J2K_MS_SOC, 2);
404 /* update markers struct */
405 j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
407 #endif /* USE_JPWL */
411 static void j2k_read_soc(opj_j2k_t *j2k) {
412 j2k->state = J2K_STATE_MHSIZ;
414 if (j2k->cstr_info) {
415 j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
416 j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
420 static void j2k_write_siz(opj_j2k_t *j2k) {
424 opj_cio_t *cio = j2k->cio;
425 opj_image_t *image = j2k->image;
426 opj_cp_t *cp = j2k->cp;
428 cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
429 lenp = cio_tell(cio);
431 cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */
432 cio_write(cio, image->x1, 4); /* Xsiz */
433 cio_write(cio, image->y1, 4); /* Ysiz */
434 cio_write(cio, image->x0, 4); /* X0siz */
435 cio_write(cio, image->y0, 4); /* Y0siz */
436 cio_write(cio, cp->tdx, 4); /* XTsiz */
437 cio_write(cio, cp->tdy, 4); /* YTsiz */
438 cio_write(cio, cp->tx0, 4); /* XT0siz */
439 cio_write(cio, cp->ty0, 4); /* YT0siz */
440 cio_write(cio, image->numcomps, 2); /* Csiz */
441 for (i = 0; i < image->numcomps; i++) {
442 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */
443 cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */
444 cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */
446 len = cio_tell(cio) - lenp;
448 cio_write(cio, len, 2); /* Lsiz */
449 cio_seek(cio, lenp + len);
452 static void j2k_read_siz(opj_j2k_t *j2k) {
455 opj_cio_t *cio = j2k->cio;
456 opj_image_t *image = j2k->image;
457 opj_cp_t *cp = j2k->cp;
459 len = cio_read(cio, 2); /* Lsiz */
460 cio_read(cio, 2); /* Rsiz (capabilities) */
461 image->x1 = cio_read(cio, 4); /* Xsiz */
462 image->y1 = cio_read(cio, 4); /* Ysiz */
463 image->x0 = cio_read(cio, 4); /* X0siz */
464 image->y0 = cio_read(cio, 4); /* Y0siz */
465 cp->tdx = cio_read(cio, 4); /* XTsiz */
466 cp->tdy = cio_read(cio, 4); /* YTsiz */
467 cp->tx0 = cio_read(cio, 4); /* XT0siz */
468 cp->ty0 = cio_read(cio, 4); /* YT0siz */
470 if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
471 opj_event_msg(j2k->cinfo, EVT_ERROR,
472 "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
473 image->x0,image->x1,image->y0,image->y1);
477 image->numcomps = cio_read(cio, 2); /* Csiz */
480 if (j2k->cp->correct) {
481 /* if JPWL is on, we check whether TX errors have damaged
482 too much the SIZ parameters */
483 if (!(image->x1 * image->y1)) {
484 opj_event_msg(j2k->cinfo, EVT_ERROR,
485 "JPWL: bad image size (%d x %d)\n",
486 image->x1, image->y1);
487 if (!JPWL_ASSUME || JPWL_ASSUME) {
488 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
492 if (image->numcomps != ((len - 38) / 3)) {
493 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
494 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
495 image->numcomps, ((len - 38) / 3));
497 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
500 /* we try to correct */
501 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
502 if (image->numcomps < ((len - 38) / 3)) {
503 len = 38 + 3 * image->numcomps;
504 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
507 image->numcomps = ((len - 38) / 3);
508 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
513 /* update components number in the jpwl_exp_comps filed */
514 cp->exp_comps = image->numcomps;
516 #endif /* USE_JPWL */
518 image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
519 for (i = 0; i < image->numcomps; i++) {
521 tmp = cio_read(cio, 1); /* Ssiz_i */
522 image->comps[i].prec = (tmp & 0x7f) + 1;
523 image->comps[i].sgnd = tmp >> 7;
524 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
525 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
528 if (j2k->cp->correct) {
529 /* if JPWL is on, we check whether TX errors have damaged
530 too much the SIZ parameters, again */
531 if (!(image->comps[i].dx * image->comps[i].dy)) {
532 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
533 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
534 i, i, image->comps[i].dx, image->comps[i].dy);
536 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
539 /* we try to correct */
540 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
541 if (!image->comps[i].dx) {
542 image->comps[i].dx = 1;
543 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
544 i, image->comps[i].dx);
546 if (!image->comps[i].dy) {
547 image->comps[i].dy = 1;
548 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
549 i, image->comps[i].dy);
554 #endif /* USE_JPWL */
557 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
558 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
560 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
561 image->comps[i].factor = cp->reduce; /* reducing factor per component */
564 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
565 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
568 if (j2k->cp->correct) {
569 /* if JPWL is on, we check whether TX errors have damaged
570 too much the SIZ parameters */
571 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
572 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
573 "JPWL: bad number of tiles (%d x %d)\n",
576 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
579 /* we try to correct */
580 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
583 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
586 if (cp->tw > cp->max_tiles) {
588 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
589 "- setting %d tiles in x => HYPOTHESIS!!!\n",
590 cp->max_tiles, cp->tw);
594 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
597 if (cp->th > cp->max_tiles) {
599 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
600 "- setting %d tiles in y => HYPOTHESIS!!!\n",
601 cp->max_tiles, cp->th);
605 #endif /* USE_JPWL */
607 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
608 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
612 if (j2k->cp->correct) {
614 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
615 "JPWL: could not alloc tcps field of cp\n");
616 if (!JPWL_ASSUME || JPWL_ASSUME) {
617 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
622 #endif /* USE_JPWL */
624 for (i = 0; i < cp->tw * cp->th; i++) {
626 cp->tcps[i].numpocs = 0;
627 cp->tcps[i].first = 1;
630 /* Initialization for PPM marker */
633 cp->ppm_data_first = NULL;
634 cp->ppm_previous = 0;
637 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
638 for (i = 0; i < cp->tw * cp->th; i++) {
639 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
641 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
642 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
643 j2k->state = J2K_STATE_MH;
646 if (j2k->cstr_info) {
647 opj_codestream_info_t *cstr_info = j2k->cstr_info;
648 cstr_info->image_w = image->x1 - image->x0;
649 cstr_info->image_h = image->y1 - image->y0;
650 cstr_info->numcomps = image->numcomps;
651 cstr_info->tw = cp->tw;
652 cstr_info->th = cp->th;
653 cstr_info->tile_x = cp->tdx;
654 cstr_info->tile_y = cp->tdy;
655 cstr_info->tile_Ox = cp->tx0;
656 cstr_info->tile_Oy = cp->ty0;
657 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
661 static void j2k_write_com(opj_j2k_t *j2k) {
665 if(j2k->cp->comment) {
666 opj_cio_t *cio = j2k->cio;
667 char *comment = j2k->cp->comment;
669 cio_write(cio, J2K_MS_COM, 2);
670 lenp = cio_tell(cio);
672 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
673 for (i = 0; i < strlen(comment); i++) {
674 cio_write(cio, comment[i], 1);
676 len = cio_tell(cio) - lenp;
678 cio_write(cio, len, 2);
679 cio_seek(cio, lenp + len);
683 static void j2k_read_com(opj_j2k_t *j2k) {
686 opj_cio_t *cio = j2k->cio;
688 len = cio_read(cio, 2);
689 cio_skip(cio, len - 2);
692 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
695 opj_cp_t *cp = j2k->cp;
696 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
697 opj_tccp_t *tccp = &tcp->tccps[compno];
698 opj_cio_t *cio = j2k->cio;
700 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
701 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
702 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
703 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
704 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
706 if (tccp->csty & J2K_CCP_CSTY_PRT) {
707 for (i = 0; i < tccp->numresolutions; i++) {
708 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
713 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
716 opj_cp_t *cp = j2k->cp;
717 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
718 opj_tccp_t *tccp = &tcp->tccps[compno];
719 opj_cio_t *cio = j2k->cio;
721 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
723 // If user wants to remove more resolutions than the codestream contains, return error
724 if (cp->reduce >= tccp->numresolutions) {
725 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
726 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
727 j2k->state |= J2K_STATE_ERR;
730 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
731 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
732 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
733 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
734 if (tccp->csty & J2K_CP_CSTY_PRT) {
735 for (i = 0; i < tccp->numresolutions; i++) {
736 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
737 tccp->prcw[i] = tmp & 0xf;
738 tccp->prch[i] = tmp >> 4;
743 if(j2k->cstr_info && compno == 0) {
744 for (i = 0; i < tccp->numresolutions; i++) {
745 if (tccp->csty & J2K_CP_CSTY_PRT) {
746 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
747 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
750 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
751 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
758 static void j2k_write_cod(opj_j2k_t *j2k) {
760 opj_tcp_t *tcp = NULL;
763 opj_cio_t *cio = j2k->cio;
765 cio_write(cio, J2K_MS_COD, 2); /* COD */
767 lenp = cio_tell(cio);
771 tcp = &cp->tcps[j2k->curtileno];
773 cio_write(cio, tcp->csty, 1); /* Scod */
774 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
775 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
776 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
778 j2k_write_cox(j2k, 0);
779 len = cio_tell(cio) - lenp;
781 cio_write(cio, len, 2); /* Lcod */
782 cio_seek(cio, lenp + len);
785 static void j2k_read_cod(opj_j2k_t *j2k) {
788 opj_cio_t *cio = j2k->cio;
789 opj_cp_t *cp = j2k->cp;
790 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
791 opj_image_t *image = j2k->image;
793 len = cio_read(cio, 2); /* Lcod */
794 tcp->csty = cio_read(cio, 1); /* Scod */
795 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
796 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
797 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
800 for (i = 0; i < image->numcomps; i++) {
801 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
803 j2k_read_cox(j2k, i);
807 if (j2k->cstr_info) {
808 opj_codestream_info_t *cstr_info = j2k->cstr_info;
809 cstr_info->prog = tcp->prg;
810 cstr_info->numlayers = tcp->numlayers;
811 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
812 for (i = 0; i < image->numcomps; i++) {
813 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
818 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
821 opj_cp_t *cp = j2k->cp;
822 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
823 opj_image_t *image = j2k->image;
824 opj_cio_t *cio = j2k->cio;
826 cio_write(cio, J2K_MS_COC, 2); /* COC */
827 lenp = cio_tell(cio);
829 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
830 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
831 j2k_write_cox(j2k, compno);
832 len = cio_tell(cio) - lenp;
834 cio_write(cio, len, 2); /* Lcoc */
835 cio_seek(cio, lenp + len);
838 static void j2k_read_coc(opj_j2k_t *j2k) {
841 opj_cp_t *cp = j2k->cp;
842 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
843 opj_image_t *image = j2k->image;
844 opj_cio_t *cio = j2k->cio;
846 len = cio_read(cio, 2); /* Lcoc */
847 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
848 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
849 j2k_read_cox(j2k, compno);
852 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
853 int bandno, numbands;
856 opj_cp_t *cp = j2k->cp;
857 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
858 opj_tccp_t *tccp = &tcp->tccps[compno];
859 opj_cio_t *cio = j2k->cio;
861 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
862 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
864 for (bandno = 0; bandno < numbands; bandno++) {
865 expn = tccp->stepsizes[bandno].expn;
866 mant = tccp->stepsizes[bandno].mant;
868 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
869 cio_write(cio, expn << 3, 1); /* SPqcx_i */
871 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
876 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
878 int bandno, numbands;
880 opj_cp_t *cp = j2k->cp;
881 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
882 opj_tccp_t *tccp = &tcp->tccps[compno];
883 opj_cio_t *cio = j2k->cio;
885 tmp = cio_read(cio, 1); /* Sqcx */
886 tccp->qntsty = tmp & 0x1f;
887 tccp->numgbits = tmp >> 5;
888 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
889 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
892 if (j2k->cp->correct) {
894 /* if JPWL is on, we check whether there are too many subbands */
895 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
896 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
897 "JPWL: bad number of subbands in Sqcx (%d)\n",
900 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
903 /* we try to correct */
905 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
906 "- setting number of bands to %d => HYPOTHESIS!!!\n",
911 #endif /* USE_JPWL */
913 for (bandno = 0; bandno < numbands; bandno++) {
915 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
916 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
919 tmp = cio_read(cio, 2); /* SPqcx_i */
923 tccp->stepsizes[bandno].expn = expn;
924 tccp->stepsizes[bandno].mant = mant;
927 /* Add Antonin : if scalar_derived -> compute other stepsizes */
928 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
929 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
930 tccp->stepsizes[bandno].expn =
931 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
932 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
933 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
939 static void j2k_write_qcd(opj_j2k_t *j2k) {
942 opj_cio_t *cio = j2k->cio;
944 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
945 lenp = cio_tell(cio);
947 j2k_write_qcx(j2k, 0);
948 len = cio_tell(cio) - lenp;
950 cio_write(cio, len, 2); /* Lqcd */
951 cio_seek(cio, lenp + len);
954 static void j2k_read_qcd(opj_j2k_t *j2k) {
957 opj_cio_t *cio = j2k->cio;
958 opj_image_t *image = j2k->image;
960 len = cio_read(cio, 2); /* Lqcd */
962 for (i = 0; i < image->numcomps; i++) {
964 j2k_read_qcx(j2k, i, len - 2);
968 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
971 opj_cio_t *cio = j2k->cio;
973 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
974 lenp = cio_tell(cio);
976 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
977 j2k_write_qcx(j2k, compno);
978 len = cio_tell(cio) - lenp;
980 cio_write(cio, len, 2); /* Lqcc */
981 cio_seek(cio, lenp + len);
984 static void j2k_read_qcc(opj_j2k_t *j2k) {
986 int numcomp = j2k->image->numcomps;
987 opj_cio_t *cio = j2k->cio;
989 len = cio_read(cio, 2); /* Lqcc */
990 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
993 if (j2k->cp->correct) {
995 static int backup_compno = 0;
997 /* compno is negative or larger than the number of components!!! */
998 if ((compno < 0) || (compno >= numcomp)) {
999 opj_event_msg(j2k->cinfo, EVT_ERROR,
1000 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
1003 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1006 /* we try to correct */
1007 compno = backup_compno % numcomp;
1008 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1009 "- setting component number to %d\n",
1013 /* keep your private count of tiles */
1016 #endif /* USE_JPWL */
1018 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
1021 static void j2k_write_poc(opj_j2k_t *j2k) {
1022 int len, numpchgs, i;
1024 int numcomps = j2k->image->numcomps;
1026 opj_cp_t *cp = j2k->cp;
1027 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1028 opj_tccp_t *tccp = &tcp->tccps[0];
1029 opj_cio_t *cio = j2k->cio;
1031 numpchgs = 1 + tcp->numpocs;
1032 cio_write(cio, J2K_MS_POC, 2); /* POC */
1033 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1034 cio_write(cio, len, 2); /* Lpoc */
1035 for (i = 0; i < numpchgs; i++) {
1036 opj_poc_t *poc = &tcp->pocs[i];
1037 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1038 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
1039 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1040 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1041 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1042 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1043 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
1044 poc->compno1 = int_min(poc->compno1, numcomps);
1045 cio_write(cio, poc->prg, 1); /* Ppoc_i */
1049 static void j2k_read_poc(opj_j2k_t *j2k) {
1050 int len, numpchgs, i, old_poc;
1052 int numcomps = j2k->image->numcomps;
1054 opj_cp_t *cp = j2k->cp;
1055 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1056 opj_cio_t *cio = j2k->cio;
1058 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1060 len = cio_read(cio, 2); /* Lpoc */
1061 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1063 for (i = old_poc; i < numpchgs + old_poc; i++) {
1065 poc = &tcp->pocs[i];
1066 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1067 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
1068 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
1069 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
1070 poc->compno1 = int_min(
1071 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
1072 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1075 tcp->numpocs = numpchgs + old_poc - 1;
1078 static void j2k_read_crg(opj_j2k_t *j2k) {
1079 int len, i, Xcrg_i, Ycrg_i;
1081 opj_cio_t *cio = j2k->cio;
1082 int numcomps = j2k->image->numcomps;
1084 len = cio_read(cio, 2); /* Lcrg */
1085 for (i = 0; i < numcomps; i++) {
1086 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1087 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1091 static void j2k_read_tlm(opj_j2k_t *j2k) {
1092 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1093 long int Ttlm_i, Ptlm_i;
1095 opj_cio_t *cio = j2k->cio;
1097 len = cio_read(cio, 2); /* Ltlm */
1098 Ztlm = cio_read(cio, 1); /* Ztlm */
1099 Stlm = cio_read(cio, 1); /* Stlm */
1100 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1101 SP = (Stlm >> 6) & 0x01;
1102 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1103 for (i = 0; i < tile_tlm; i++) {
1104 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1105 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1109 static void j2k_read_plm(opj_j2k_t *j2k) {
1110 int len, i, Zplm, Nplm, add, packet_len = 0;
1112 opj_cio_t *cio = j2k->cio;
1114 len = cio_read(cio, 2); /* Lplm */
1115 Zplm = cio_read(cio, 1); /* Zplm */
1118 Nplm = cio_read(cio, 4); /* Nplm */
1120 for (i = Nplm; i > 0; i--) {
1121 add = cio_read(cio, 1);
1123 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1124 if ((add & 0x80) == 0) {
1134 static void j2k_read_plt(opj_j2k_t *j2k) {
1135 int len, i, Zplt, packet_len = 0, add;
1137 opj_cio_t *cio = j2k->cio;
1139 len = cio_read(cio, 2); /* Lplt */
1140 Zplt = cio_read(cio, 1); /* Zplt */
1141 for (i = len - 3; i > 0; i--) {
1142 add = cio_read(cio, 1);
1143 packet_len = (packet_len << 7) + add; /* Iplt_i */
1144 if ((add & 0x80) == 0) {
1151 static void j2k_read_ppm(opj_j2k_t *j2k) {
1152 int len, Z_ppm, i, j;
1155 opj_cp_t *cp = j2k->cp;
1156 opj_cio_t *cio = j2k->cio;
1158 len = cio_read(cio, 2);
1161 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1164 if (cp->ppm_previous == 0) {
1165 N_ppm = cio_read(cio, 4); /* N_ppm */
1168 N_ppm = cp->ppm_previous;
1171 if (Z_ppm == 0) { /* First PPM marker */
1172 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1173 cp->ppm_data_first = cp->ppm_data;
1174 cp->ppm_len = N_ppm;
1175 } else { /* NON-first PPM marker */
1176 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1179 /* this memory allocation check could be done even in non-JPWL cases */
1181 if (!cp->ppm_data) {
1182 opj_event_msg(j2k->cinfo, EVT_ERROR,
1183 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1185 if (!JPWL_ASSUME || JPWL_ASSUME) {
1186 opj_free(cp->ppm_data);
1187 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1194 cp->ppm_data_first = cp->ppm_data;
1195 cp->ppm_len = N_ppm + cp->ppm_store;
1197 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1198 cp->ppm_data[j] = cio_read(cio, 1);
1202 break; /* Case of non-finished packet header in present marker but finished in next one */
1204 cp->ppm_previous = i - 1;
1209 static void j2k_read_ppt(opj_j2k_t *j2k) {
1210 int len, Z_ppt, i, j = 0;
1212 opj_cp_t *cp = j2k->cp;
1213 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1214 opj_cio_t *cio = j2k->cio;
1216 len = cio_read(cio, 2);
1217 Z_ppt = cio_read(cio, 1);
1219 if (Z_ppt == 0) { /* First PPT marker */
1220 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1221 tcp->ppt_data_first = tcp->ppt_data;
1223 tcp->ppt_len = len - 3;
1224 } else { /* NON-first PPT marker */
1225 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1226 tcp->ppt_data_first = tcp->ppt_data;
1227 tcp->ppt_len = len - 3 + tcp->ppt_store;
1230 for (i = len - 3; i > 0; i--) {
1231 tcp->ppt_data[j] = cio_read(cio, 1);
1237 static void j2k_write_tlm(opj_j2k_t *j2k){
1239 opj_cio_t *cio = j2k->cio;
1240 j2k->tlm_start = cio_tell(cio);
1241 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1242 lenp = 4 + (5*j2k->totnum_tp);
1243 cio_write(cio,lenp,2); /* Ltlm */
1244 cio_write(cio, 0,1); /* Ztlm=0*/
1245 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1246 cio_skip(cio,5*j2k->totnum_tp);
1249 static void j2k_write_sot(opj_j2k_t *j2k) {
1252 opj_cio_t *cio = j2k->cio;
1254 j2k->sot_start = cio_tell(cio);
1255 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1256 lenp = cio_tell(cio);
1257 cio_skip(cio, 2); /* Lsot (further) */
1258 cio_write(cio, j2k->curtileno, 2); /* Isot */
1259 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1260 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1261 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1262 len = cio_tell(cio) - lenp;
1263 cio_seek(cio, lenp);
1264 cio_write(cio, len, 2); /* Lsot */
1265 cio_seek(cio, lenp + len);
1269 /* update markers struct */
1270 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1271 #endif /* USE_JPWL */
1275 static void j2k_read_sot(opj_j2k_t *j2k) {
1276 int len, tileno, totlen, partno, numparts, i;
1277 opj_tcp_t *tcp = NULL;
1280 opj_cp_t *cp = j2k->cp;
1281 opj_cio_t *cio = j2k->cio;
1283 len = cio_read(cio, 2);
1284 tileno = cio_read(cio, 2);
1287 if (j2k->cp->correct) {
1289 static int backup_tileno = 0;
1291 /* tileno is negative or larger than the number of tiles!!! */
1292 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1293 opj_event_msg(j2k->cinfo, EVT_ERROR,
1294 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1295 tileno, (cp->tw * cp->th));
1297 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1300 /* we try to correct */
1301 tileno = backup_tileno;
1302 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1303 "- setting tile number to %d\n",
1307 /* keep your private count of tiles */
1310 #endif /* USE_JPWL */
1312 if (cp->tileno_size == 0) {
1313 cp->tileno[cp->tileno_size] = tileno;
1317 while (i < cp->tileno_size && status == 0) {
1318 status = cp->tileno[i] == tileno ? 1 : 0;
1322 cp->tileno[cp->tileno_size] = tileno;
1327 totlen = cio_read(cio, 4);
1330 if (j2k->cp->correct) {
1332 /* totlen is negative or larger than the bytes left!!! */
1333 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1334 opj_event_msg(j2k->cinfo, EVT_ERROR,
1335 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1336 totlen, cio_numbytesleft(cio) + 8);
1338 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1341 /* we try to correct */
1343 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1344 "- setting Psot to %d => assuming it is the last tile\n",
1349 #endif /* USE_JPWL */
1352 totlen = cio_numbytesleft(cio) + 8;
1354 partno = cio_read(cio, 1);
1355 numparts = cio_read(cio, 1);
1357 j2k->curtileno = tileno;
1358 j2k->cur_tp_num = partno;
1359 j2k->eot = cio_getbp(cio) - 12 + totlen;
1360 j2k->state = J2K_STATE_TPH;
1361 tcp = &cp->tcps[j2k->curtileno];
1364 if (j2k->cstr_info) {
1367 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1368 j2k->cstr_info->tile[tileno].tileno = tileno;
1369 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1370 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1371 j2k->cstr_info->tile[tileno].num_tps = numparts;
1373 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
1375 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
1378 j2k->cstr_info->tile[tileno].end_pos += totlen;
1380 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1381 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1382 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1385 if (tcp->first == 1) {
1386 /* Initialization PPT */
1387 opj_tccp_t *tmp = tcp->tccps;
1388 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1390 tcp->ppt_data = NULL;
1391 tcp->ppt_data_first = NULL;
1394 for (i = 0; i < j2k->image->numcomps; i++) {
1395 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1397 cp->tcps[j2k->curtileno].first = 0;
1401 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1404 opj_tcp_t *tcp = NULL;
1405 opj_codestream_info_t *cstr_info = NULL;
1407 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1408 opj_cp_t *cp = j2k->cp;
1409 opj_cio_t *cio = j2k->cio;
1411 tcd->tp_num = j2k->tp_num ;
1412 tcd->cur_tp_num = j2k->cur_tp_num;
1414 cio_write(cio, J2K_MS_SOD, 2);
1415 if (j2k->curtileno == 0) {
1416 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1420 cstr_info = j2k->cstr_info;
1422 if (!j2k->cur_tp_num ) {
1423 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1424 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1427 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1428 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1432 /* update markers struct */
1433 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1434 #endif /* USE_JPWL */
1439 tcp = &cp->tcps[j2k->curtileno];
1440 for (layno = 0; layno < tcp->numlayers; layno++) {
1441 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1442 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1443 } else if (tcp->rates[layno]) {
1444 tcp->rates[layno]=1;
1447 if(j2k->cur_tp_num == 0){
1448 tcd->tcd_image->tiles->packno = 0;
1450 cstr_info->packno = 0;
1453 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1455 /* Writing Psot in SOT marker */
1456 totlen = cio_tell(cio) + l - j2k->sot_start;
1457 cio_seek(cio, j2k->sot_start + 6);
1458 cio_write(cio, totlen, 4);
1459 cio_seek(cio, j2k->sot_start + totlen);
1460 /* Writing Ttlm and Ptlm in TLM marker */
1462 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1463 cio_write(cio, j2k->curtileno, 1);
1464 cio_write(cio, totlen, 4);
1466 cio_seek(cio, j2k->sot_start + totlen);
1469 static void j2k_read_sod(opj_j2k_t *j2k) {
1470 int len, truncate = 0, i;
1471 unsigned char *data = NULL, *data_ptr = NULL;
1473 opj_cio_t *cio = j2k->cio;
1474 int curtileno = j2k->curtileno;
1477 if (j2k->cstr_info) {
1478 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1479 cio_tell(cio) + j2k->pos_correction - 1;
1480 if (j2k->cur_tp_num == 0)
1481 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1482 j2k->cstr_info->packno = 0;
1485 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1487 if (len == cio_numbytesleft(cio) + 1) {
1488 truncate = 1; /* Case of a truncate codestream */
1491 data = j2k->tile_data[curtileno];
1492 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1494 data_ptr = data + j2k->tile_len[curtileno];
1495 for (i = 0; i < len; i++) {
1496 data_ptr[i] = cio_read(cio, 1);
1499 j2k->tile_len[curtileno] += len;
1500 j2k->tile_data[curtileno] = data;
1503 j2k->state = J2K_STATE_TPHSOT;
1505 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1510 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1511 opj_cp_t *cp = j2k->cp;
1512 opj_tcp_t *tcp = &cp->tcps[tileno];
1513 opj_cio_t *cio = j2k->cio;
1514 int numcomps = j2k->image->numcomps;
1516 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1517 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1518 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1519 cio_write(cio, 0, 1); /* Srgn */
1520 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1523 static void j2k_read_rgn(opj_j2k_t *j2k) {
1524 int len, compno, roisty;
1526 opj_cp_t *cp = j2k->cp;
1527 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1528 opj_cio_t *cio = j2k->cio;
1529 int numcomps = j2k->image->numcomps;
1531 len = cio_read(cio, 2); /* Lrgn */
1532 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1533 roisty = cio_read(cio, 1); /* Srgn */
1536 if (j2k->cp->correct) {
1537 /* totlen is negative or larger than the bytes left!!! */
1538 if (compno >= numcomps) {
1539 opj_event_msg(j2k->cinfo, EVT_ERROR,
1540 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1542 if (!JPWL_ASSUME || JPWL_ASSUME) {
1543 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1548 #endif /* USE_JPWL */
1550 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1553 static void j2k_write_eoc(opj_j2k_t *j2k) {
1554 opj_cio_t *cio = j2k->cio;
1555 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1556 cio_write(cio, J2K_MS_EOC, 2);
1560 /* update markers struct */
1561 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1562 #endif /* USE_JPWL */
1566 static void j2k_read_eoc(opj_j2k_t *j2k) {
1570 /* if packets should be decoded */
1571 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1572 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1573 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1574 for (i = 0; i < j2k->cp->tileno_size; i++) {
1575 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1576 tileno = j2k->cp->tileno[i];
1577 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1578 opj_free(j2k->tile_data[tileno]);
1579 j2k->tile_data[tileno] = NULL;
1580 tcd_free_decode_tile(tcd, i);
1581 if (success == false) {
1582 j2k->state |= J2K_STATE_ERR;
1586 tcd_free_decode(tcd);
1589 /* if packets should not be decoded */
1591 for (i = 0; i < j2k->cp->tileno_size; i++) {
1592 tileno = j2k->cp->tileno[i];
1593 opj_free(j2k->tile_data[tileno]);
1594 j2k->tile_data[tileno] = NULL;
1597 if (j2k->state & J2K_STATE_ERR)
1598 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1600 j2k->state = J2K_STATE_MT;
1603 typedef struct opj_dec_mstabent {
1606 /** value of the state when the marker can appear */
1608 /** action linked to the marker */
1609 void (*handler) (opj_j2k_t *j2k);
1610 } opj_dec_mstabent_t;
1612 opj_dec_mstabent_t j2k_dec_mstab[] = {
1613 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1614 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1615 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1616 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1617 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1618 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1619 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1620 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1621 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1622 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1623 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1624 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1625 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1626 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1627 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1628 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1630 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1631 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1634 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1635 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1636 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1637 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1638 #endif /* USE_JPWL */
1640 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1641 {J2K_MS_INSEC, 0, j2k_read_insec},
1642 #endif /* USE_JPSEC */
1644 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1647 static void j2k_read_unk(opj_j2k_t *j2k) {
1648 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1651 if (j2k->cp->correct) {
1653 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1654 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1655 id = cio_read(j2k->cio, 2);
1656 opj_event_msg(j2k->cinfo, EVT_ERROR,
1657 "JPWL: really don't know this marker %x\n",
1660 opj_event_msg(j2k->cinfo, EVT_ERROR,
1661 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1664 /* OK, activate this at your own risk!!! */
1665 /* we look for the marker at the minimum hamming distance from this */
1666 while (j2k_dec_mstab[m].id) {
1668 /* 1's where they differ */
1669 tmp_id = j2k_dec_mstab[m].id ^ id;
1671 /* compute the hamming distance between our id and the current */
1673 for (i = 0; i < 16; i++) {
1674 if ((tmp_id >> i) & 0x0001) {
1679 /* if current distance is smaller, set the minimum */
1680 if (cur_dist < min_dist) {
1681 min_dist = cur_dist;
1682 min_id = j2k_dec_mstab[m].id;
1685 /* jump to the next marker */
1689 /* do we substitute the marker? */
1690 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1691 opj_event_msg(j2k->cinfo, EVT_ERROR,
1692 "- marker %x is at distance %d from the read %x\n",
1693 min_id, min_dist, id);
1694 opj_event_msg(j2k->cinfo, EVT_ERROR,
1695 "- trying to substitute in place and crossing fingers!\n");
1696 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1697 cio_write(j2k->cio, min_id, 2);
1700 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1705 #endif /* USE_JPWL */
1710 Read the lookup table containing all the marker, status and action
1711 @param id Marker value
1713 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1714 opj_dec_mstabent_t *e;
1715 for (e = j2k_dec_mstab; e->id != 0; e++) {
1723 /* ----------------------------------------------------------------------- */
1724 /* J2K / JPT decoder interface */
1725 /* ----------------------------------------------------------------------- */
1727 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1728 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1732 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1733 if(!j2k->default_tcp) {
1739 j2k->tile_data = NULL;
1744 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1747 if(j2k->tile_len != NULL) {
1748 opj_free(j2k->tile_len);
1750 if(j2k->tile_data != NULL) {
1751 opj_free(j2k->tile_data);
1753 if(j2k->default_tcp != NULL) {
1754 opj_tcp_t *default_tcp = j2k->default_tcp;
1755 if(default_tcp->ppt_data_first != NULL) {
1756 opj_free(default_tcp->ppt_data_first);
1758 if(j2k->default_tcp->tccps != NULL) {
1759 opj_free(j2k->default_tcp->tccps);
1761 opj_free(j2k->default_tcp);
1763 if(j2k->cp != NULL) {
1764 opj_cp_t *cp = j2k->cp;
1765 if(cp->tcps != NULL) {
1766 for(i = 0; i < cp->tw * cp->th; i++) {
1767 if(cp->tcps[i].ppt_data_first != NULL) {
1768 opj_free(cp->tcps[i].ppt_data_first);
1770 if(cp->tcps[i].tccps != NULL) {
1771 opj_free(cp->tcps[i].tccps);
1776 if(cp->ppm_data_first != NULL) {
1777 opj_free(cp->ppm_data_first);
1779 if(cp->tileno != NULL) {
1780 opj_free(cp->tileno);
1782 if(cp->comment != NULL) {
1783 opj_free(cp->comment);
1791 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1792 if(j2k && parameters) {
1793 /* create and initialize the coding parameters structure */
1794 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1795 cp->reduce = parameters->cp_reduce;
1796 cp->layer = parameters->cp_layer;
1797 cp->limit_decoding = parameters->cp_limit_decoding;
1800 cp->correct = parameters->jpwl_correct;
1801 cp->exp_comps = parameters->jpwl_exp_comps;
1802 cp->max_tiles = parameters->jpwl_max_tiles;
1803 #endif /* USE_JPWL */
1806 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1811 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1812 opj_image_t *image = NULL;
1814 opj_common_ptr cinfo = j2k->cinfo;
1817 j2k->cstr_info = cstr_info;
1819 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1821 /* create an empty image */
1822 image = opj_image_create0();
1825 j2k->state = J2K_STATE_MHSOC;
1828 opj_dec_mstabent_t *e;
1829 int id = cio_read(cio, 2);
1832 /* we try to honor JPWL correction power */
1833 if (j2k->cp->correct) {
1835 int orig_pos = cio_tell(cio);
1838 /* call the corrector */
1839 status = jpwl_correct(j2k);
1841 /* go back to where you were */
1842 cio_seek(cio, orig_pos - 2);
1844 /* re-read the marker */
1845 id = cio_read(cio, 2);
1847 /* check whether it begins with ff */
1848 if (id >> 8 != 0xff) {
1849 opj_event_msg(cinfo, EVT_ERROR,
1850 "JPWL: possible bad marker %x at %d\n",
1851 id, cio_tell(cio) - 2);
1853 opj_image_destroy(image);
1854 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1857 /* we try to correct */
1859 cio_seek(cio, cio_tell(cio) - 2);
1860 cio_write(cio, id, 2);
1861 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1862 "- setting marker to %x\n",
1867 #endif /* USE_JPWL */
1869 if (id >> 8 != 0xff) {
1870 opj_image_destroy(image);
1871 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1874 e = j2k_dec_mstab_lookup(id);
1875 // Check if the marker is known
1876 if (!(j2k->state & e->states)) {
1877 opj_image_destroy(image);
1878 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1881 // Check if the decoding is limited to the main header
1882 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1883 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1890 if (j2k->state & J2K_STATE_ERR)
1893 if (j2k->state == J2K_STATE_MT) {
1896 if (j2k->state == J2K_STATE_NEOC) {
1900 if (j2k->state == J2K_STATE_NEOC) {
1904 if (j2k->state != J2K_STATE_MT) {
1905 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1912 * Read a JPT-stream and decode file
1915 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1916 opj_image_t *image = NULL;
1917 opj_jpt_msg_header_t header;
1920 opj_common_ptr cinfo = j2k->cinfo;
1924 /* create an empty image */
1925 image = opj_image_create0();
1928 j2k->state = J2K_STATE_MHSOC;
1930 /* Initialize the header */
1931 jpt_init_msg_header(&header);
1932 /* Read the first header of the message */
1933 jpt_read_msg_header(cinfo, cio, &header);
1935 position = cio_tell(cio);
1936 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1937 opj_image_destroy(image);
1938 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1943 opj_dec_mstabent_t *e = NULL;
1946 if (!cio_numbytesleft(cio)) {
1950 /* data-bin read -> need to read a new header */
1951 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1952 jpt_read_msg_header(cinfo, cio, &header);
1953 position = cio_tell(cio);
1954 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1955 opj_image_destroy(image);
1956 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1961 id = cio_read(cio, 2);
1962 if (id >> 8 != 0xff) {
1963 opj_image_destroy(image);
1964 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1967 e = j2k_dec_mstab_lookup(id);
1968 if (!(j2k->state & e->states)) {
1969 opj_image_destroy(image);
1970 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1976 if (j2k->state == J2K_STATE_MT) {
1979 if (j2k->state == J2K_STATE_NEOC) {
1983 if (j2k->state == J2K_STATE_NEOC) {
1987 if (j2k->state != J2K_STATE_MT) {
1988 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1994 /* ----------------------------------------------------------------------- */
1995 /* J2K encoder interface */
1996 /* ----------------------------------------------------------------------- */
1998 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1999 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
2006 void j2k_destroy_compress(opj_j2k_t *j2k) {
2010 if(j2k->cp != NULL) {
2011 opj_cp_t *cp = j2k->cp;
2014 opj_free(cp->comment);
2017 opj_free(cp->matrice);
2019 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2020 opj_free(cp->tcps[tileno].tccps);
2029 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2030 int i, j, tileno, numpocs_tile;
2031 opj_cp_t *cp = NULL;
2033 if(!j2k || !parameters || ! image) {
2037 /* create and initialize the coding parameters structure */
2038 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2040 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2043 /* set default values for cp */
2048 copy user encoding parameters
2050 cp->cinema = parameters->cp_cinema;
2051 cp->max_comp_size = parameters->max_comp_size;
2052 cp->rsiz = parameters->cp_rsiz;
2053 cp->disto_alloc = parameters->cp_disto_alloc;
2054 cp->fixed_alloc = parameters->cp_fixed_alloc;
2055 cp->fixed_quality = parameters->cp_fixed_quality;
2057 /* mod fixed_quality */
2058 if(parameters->cp_matrice) {
2059 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2060 cp->matrice = (int *) opj_malloc(array_size);
2061 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2065 cp->tdx = parameters->cp_tdx;
2066 cp->tdy = parameters->cp_tdy;
2069 cp->tx0 = parameters->cp_tx0;
2070 cp->ty0 = parameters->cp_ty0;
2072 /* comment string */
2073 if(parameters->cp_comment) {
2074 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2076 strcpy(cp->comment, parameters->cp_comment);
2081 calculate other encoding parameters
2084 if (parameters->tile_size_on) {
2085 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2086 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2088 cp->tdx = image->x1 - cp->tx0;
2089 cp->tdy = image->y1 - cp->ty0;
2092 if(parameters->tp_on){
2093 cp->tp_flag = parameters->tp_flag;
2098 for(i=0;i<image->numcomps ;i++){
2099 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2105 calculate JPWL encoding parameters
2108 if (parameters->jpwl_epc_on) {
2113 cp->info_on = false; /* no informative technique */
2116 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2119 cp->hprot_MH = parameters->jpwl_hprot_MH;
2120 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2121 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2122 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2124 /* if tile specs are not specified, copy MH specs */
2125 if (cp->hprot_TPH[0] == -1) {
2126 cp->hprot_TPH_tileno[0] = 0;
2127 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2129 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2130 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2131 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2132 cp->pprot[i] = parameters->jpwl_pprot[i];
2136 /* set ESD writing */
2137 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2140 cp->sens_size = parameters->jpwl_sens_size;
2141 cp->sens_addr = parameters->jpwl_sens_addr;
2142 cp->sens_range = parameters->jpwl_sens_range;
2144 cp->sens_MH = parameters->jpwl_sens_MH;
2145 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2146 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2147 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2151 /* always set RED writing to false: we are at the encoder */
2157 #endif /* USE_JPWL */
2160 /* initialize the mutiple tiles */
2161 /* ---------------------------- */
2162 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2164 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2165 opj_tcp_t *tcp = &cp->tcps[tileno];
2166 tcp->numlayers = parameters->tcp_numlayers;
2167 for (j = 0; j < tcp->numlayers; j++) {
2169 if (cp->fixed_quality) {
2170 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2172 tcp->rates[j] = parameters->tcp_rates[j];
2174 if (cp->fixed_quality) { /* add fixed_quality */
2175 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2177 tcp->rates[j] = parameters->tcp_rates[j];
2181 tcp->csty = parameters->csty;
2182 tcp->prg = parameters->prog_order;
2183 tcp->mct = parameters->tcp_mct;
2187 if (parameters->numpocs) {
2188 /* initialisation of POC */
2190 for (i = 0; i < parameters->numpocs; i++) {
2191 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2192 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2193 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2194 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2195 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2196 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2197 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2198 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2199 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2203 tcp->numpocs = numpocs_tile -1 ;
2208 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2210 for (i = 0; i < image->numcomps; i++) {
2211 opj_tccp_t *tccp = &tcp->tccps[i];
2212 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2213 tccp->numresolutions = parameters->numresolution;
2214 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2215 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2216 tccp->cblksty = parameters->mode;
2217 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2218 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2220 if (i == parameters->roi_compno) {
2221 tccp->roishift = parameters->roi_shift;
2226 if(parameters->cp_cinema)
2228 //Precinct size for lowest frequency subband=128
2231 //Precinct size at all other resolutions = 256
2232 for (j = 1; j < tccp->numresolutions; j++) {
2237 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2239 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2240 if (p < parameters->res_spec) {
2242 if (parameters->prcw_init[p] < 1) {
2245 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2248 if (parameters->prch_init[p] < 1) {
2251 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2255 int res_spec = parameters->res_spec;
2256 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2257 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2259 if (size_prcw < 1) {
2262 tccp->prcw[j] = int_floorlog2(size_prcw);
2265 if (size_prch < 1) {
2268 tccp->prch[j] = int_floorlog2(size_prch);
2272 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2275 for (j = 0; j < tccp->numresolutions; j++) {
2282 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2287 bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2289 opj_cp_t *cp = NULL;
2291 opj_tcd_t *tcd = NULL; /* TCD component */
2298 /* j2k_dump_cp(stdout, image, cp); */
2301 j2k->cstr_info = cstr_info;
2304 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2305 cstr_info->image_w = image->x1 - image->x0;
2306 cstr_info->image_h = image->y1 - image->y0;
2307 cstr_info->prog = (&cp->tcps[0])->prg;
2308 cstr_info->tw = cp->tw;
2309 cstr_info->th = cp->th;
2310 cstr_info->tile_x = cp->tdx; /* new version parser */
2311 cstr_info->tile_y = cp->tdy; /* new version parser */
2312 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2313 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2314 cstr_info->numcomps = image->numcomps;
2315 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2316 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2317 for (compno=0; compno < image->numcomps; compno++) {
2318 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2320 cstr_info->D_max = 0.0; /* ADD Marcela */
2321 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2322 cstr_info->maxmarknum = 100;
2323 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2324 cstr_info->marknum = 0;
2334 for (compno = 1; compno < image->numcomps; compno++) {
2335 j2k_write_coc(j2k, compno);
2336 j2k_write_qcc(j2k, compno);
2340 for (compno = 0; compno < image->numcomps; compno++) {
2341 opj_tcp_t *tcp = &cp->tcps[0];
2342 if (tcp->tccps[compno].roishift)
2343 j2k_write_rgn(j2k, compno, 0);
2345 if (cp->comment != NULL) {
2349 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2353 if (cp->cinema == CINEMA4K_24) {
2358 /* uncomment only for testing JPSEC marker writing */
2359 /* j2k_write_sec(j2k); */
2363 cstr_info->main_head_end = cio_tell(cio) - 1;
2366 /**** Main Header ENDS here ***/
2368 /* create the tile encoder */
2369 tcd = tcd_create(j2k->cinfo);
2371 /* encode each tile */
2372 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2376 int acc_pack_num = 0;
2380 opj_tcp_t *tcp = &cp->tcps[tileno];
2381 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2383 j2k->curtileno = tileno;
2384 j2k->cur_tp_num = 0;
2385 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2386 /* initialisation before tile encoding */
2388 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2390 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2395 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2399 for(pino = 0; pino <= tcp->numpocs; pino++) {
2403 /*Get number of tile parts*/
2404 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2405 tcd->tp_pos = cp->tp_pos;
2407 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2408 j2k->tp_num = tilepartno;
2411 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2412 cio_tell(cio) + j2k->pos_correction;
2416 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2417 for (compno = 1; compno < image->numcomps; compno++) {
2418 j2k_write_coc(j2k, compno);
2419 j2k_write_qcc(j2k, compno);
2421 if (cp->tcps[tileno].numpocs) {
2428 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2429 cio_tell(cio) + j2k->pos_correction + 1;
2432 j2k_write_sod(j2k, tcd);
2436 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2437 cio_tell(cio) + j2k->pos_correction - 1;
2438 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2440 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2441 cstr_info->packno - acc_pack_num;
2442 acc_pack_num = cstr_info->packno;
2450 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2455 if (tile->PPT) { // BAD PPT !!!
2458 PPT_file=fopen("PPT","rb");
2459 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2460 for (i=0;i<tile->len_ppt;i++) {
2462 fread(&elmt, 1, 1, PPT_file);
2463 fwrite(&elmt,1,1,f);
2472 /* destroy the tile encoder */
2473 tcd_free_encode(tcd);
2476 opj_free(j2k->cur_totnum_tp);
2481 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2483 /* The following adjustment is done to adjust the codestream size */
2484 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2485 /* the first bunch of bytes is not in the codestream */
2486 cstr_info->codestream_size -= cstr_info->main_head_start;
2492 preparation of JPWL marker segments
2496 /* encode according to JPWL */
2497 jpwl_encode(j2k, cio, image);
2500 #endif /* USE_JPWL */