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[] = {
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 image->numcomps = cio_read(cio, 2); /* Csiz */
473 if (j2k->cp->correct) {
474 /* if JPWL is on, we check whether TX errors have damaged
475 too much the SIZ parameters */
476 if (!(image->x1 * image->y1)) {
477 opj_event_msg(j2k->cinfo, EVT_ERROR,
478 "JPWL: bad image size (%d x %d)\n",
479 image->x1, image->y1);
480 if (!JPWL_ASSUME || JPWL_ASSUME) {
481 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
485 if (image->numcomps != ((len - 38) / 3)) {
486 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
487 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
488 image->numcomps, ((len - 38) / 3));
490 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
493 /* we try to correct */
494 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
495 if (image->numcomps < ((len - 38) / 3)) {
496 len = 38 + 3 * image->numcomps;
497 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
500 image->numcomps = ((len - 38) / 3);
501 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
506 /* update components number in the jpwl_exp_comps filed */
507 cp->exp_comps = image->numcomps;
509 #endif /* USE_JPWL */
511 image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
512 for (i = 0; i < image->numcomps; i++) {
514 tmp = cio_read(cio, 1); /* Ssiz_i */
515 image->comps[i].prec = (tmp & 0x7f) + 1;
516 image->comps[i].sgnd = tmp >> 7;
517 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
518 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
521 if (j2k->cp->correct) {
522 /* if JPWL is on, we check whether TX errors have damaged
523 too much the SIZ parameters, again */
524 if (!(image->comps[i].dx * image->comps[i].dy)) {
525 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
526 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
527 i, i, image->comps[i].dx, image->comps[i].dy);
529 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
532 /* we try to correct */
533 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
534 if (!image->comps[i].dx) {
535 image->comps[i].dx = 1;
536 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
537 i, image->comps[i].dx);
539 if (!image->comps[i].dy) {
540 image->comps[i].dy = 1;
541 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
542 i, image->comps[i].dy);
547 #endif /* USE_JPWL */
550 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
551 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
553 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
554 image->comps[i].factor = cp->reduce; /* reducing factor per component */
557 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
558 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
561 if (j2k->cp->correct) {
562 /* if JPWL is on, we check whether TX errors have damaged
563 too much the SIZ parameters */
564 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
565 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
566 "JPWL: bad number of tiles (%d x %d)\n",
569 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
572 /* we try to correct */
573 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
576 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
579 if (cp->tw > cp->max_tiles) {
581 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
582 "- setting %d tiles in x => HYPOTHESIS!!!\n",
583 cp->max_tiles, cp->tw);
587 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
590 if (cp->th > cp->max_tiles) {
592 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
593 "- setting %d tiles in y => HYPOTHESIS!!!\n",
594 cp->max_tiles, cp->th);
598 #endif /* USE_JPWL */
600 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
601 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
605 if (j2k->cp->correct) {
607 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
608 "JPWL: could not alloc tcps field of cp\n");
609 if (!JPWL_ASSUME || JPWL_ASSUME) {
610 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
615 #endif /* USE_JPWL */
617 for (i = 0; i < cp->tw * cp->th; i++) {
619 cp->tcps[i].numpocs = 0;
620 cp->tcps[i].first = 1;
623 /* Initialization for PPM marker */
626 cp->ppm_data_first = NULL;
627 cp->ppm_previous = 0;
630 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
631 for (i = 0; i < cp->tw * cp->th; i++) {
632 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
634 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
635 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
636 j2k->state = J2K_STATE_MH;
639 if (j2k->cstr_info) {
640 opj_codestream_info_t *cstr_info = j2k->cstr_info;
641 cstr_info->image_w = image->x1 - image->x0;
642 cstr_info->image_h = image->y1 - image->y0;
643 cstr_info->numcomps = image->numcomps;
644 cstr_info->tw = cp->tw;
645 cstr_info->th = cp->th;
646 cstr_info->tile_x = cp->tdx;
647 cstr_info->tile_y = cp->tdy;
648 cstr_info->tile_Ox = cp->tx0;
649 cstr_info->tile_Oy = cp->ty0;
650 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
654 static void j2k_write_com(opj_j2k_t *j2k) {
658 if(j2k->cp->comment) {
659 opj_cio_t *cio = j2k->cio;
660 char *comment = j2k->cp->comment;
662 cio_write(cio, J2K_MS_COM, 2);
663 lenp = cio_tell(cio);
665 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
666 for (i = 0; i < strlen(comment); i++) {
667 cio_write(cio, comment[i], 1);
669 len = cio_tell(cio) - lenp;
671 cio_write(cio, len, 2);
672 cio_seek(cio, lenp + len);
676 static void j2k_read_com(opj_j2k_t *j2k) {
679 opj_cio_t *cio = j2k->cio;
681 len = cio_read(cio, 2);
682 cio_skip(cio, len - 2);
685 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
688 opj_cp_t *cp = j2k->cp;
689 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
690 opj_tccp_t *tccp = &tcp->tccps[compno];
691 opj_cio_t *cio = j2k->cio;
693 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
694 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
695 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
696 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
697 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
699 if (tccp->csty & J2K_CCP_CSTY_PRT) {
700 for (i = 0; i < tccp->numresolutions; i++) {
701 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
706 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
709 opj_cp_t *cp = j2k->cp;
710 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
711 opj_tccp_t *tccp = &tcp->tccps[compno];
712 opj_cio_t *cio = j2k->cio;
714 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
716 // If user wants to remove more resolutions than the codestream contains, return error
717 if (cp->reduce >= tccp->numresolutions) {
718 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
719 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
720 j2k->state |= J2K_STATE_ERR;
723 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
724 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
725 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
726 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
727 if (tccp->csty & J2K_CP_CSTY_PRT) {
728 for (i = 0; i < tccp->numresolutions; i++) {
729 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
730 tccp->prcw[i] = tmp & 0xf;
731 tccp->prch[i] = tmp >> 4;
736 if(j2k->cstr_info && compno == 0) {
737 for (i = 0; i < tccp->numresolutions; i++) {
738 if (tccp->csty & J2K_CP_CSTY_PRT) {
739 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
740 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
743 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
744 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
751 static void j2k_write_cod(opj_j2k_t *j2k) {
753 opj_tcp_t *tcp = NULL;
756 opj_cio_t *cio = j2k->cio;
758 cio_write(cio, J2K_MS_COD, 2); /* COD */
760 lenp = cio_tell(cio);
764 tcp = &cp->tcps[j2k->curtileno];
766 cio_write(cio, tcp->csty, 1); /* Scod */
767 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
768 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
769 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
771 j2k_write_cox(j2k, 0);
772 len = cio_tell(cio) - lenp;
774 cio_write(cio, len, 2); /* Lcod */
775 cio_seek(cio, lenp + len);
778 static void j2k_read_cod(opj_j2k_t *j2k) {
781 opj_cio_t *cio = j2k->cio;
782 opj_cp_t *cp = j2k->cp;
783 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
784 opj_image_t *image = j2k->image;
786 len = cio_read(cio, 2); /* Lcod */
787 tcp->csty = cio_read(cio, 1); /* Scod */
788 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
789 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
790 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
793 for (i = 0; i < image->numcomps; i++) {
794 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
796 j2k_read_cox(j2k, i);
800 if (j2k->cstr_info) {
801 opj_codestream_info_t *cstr_info = j2k->cstr_info;
802 cstr_info->prog = tcp->prg;
803 cstr_info->numlayers = tcp->numlayers;
804 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
805 for (i = 0; i < image->numcomps; i++) {
806 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
811 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
814 opj_cp_t *cp = j2k->cp;
815 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
816 opj_image_t *image = j2k->image;
817 opj_cio_t *cio = j2k->cio;
819 cio_write(cio, J2K_MS_COC, 2); /* COC */
820 lenp = cio_tell(cio);
822 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
823 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
824 j2k_write_cox(j2k, compno);
825 len = cio_tell(cio) - lenp;
827 cio_write(cio, len, 2); /* Lcoc */
828 cio_seek(cio, lenp + len);
831 static void j2k_read_coc(opj_j2k_t *j2k) {
834 opj_cp_t *cp = j2k->cp;
835 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
836 opj_image_t *image = j2k->image;
837 opj_cio_t *cio = j2k->cio;
839 len = cio_read(cio, 2); /* Lcoc */
840 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
841 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
842 j2k_read_cox(j2k, compno);
845 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
846 int bandno, numbands;
849 opj_cp_t *cp = j2k->cp;
850 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
851 opj_tccp_t *tccp = &tcp->tccps[compno];
852 opj_cio_t *cio = j2k->cio;
854 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
855 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
857 for (bandno = 0; bandno < numbands; bandno++) {
858 expn = tccp->stepsizes[bandno].expn;
859 mant = tccp->stepsizes[bandno].mant;
861 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
862 cio_write(cio, expn << 3, 1); /* SPqcx_i */
864 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
869 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
871 int bandno, numbands;
873 opj_cp_t *cp = j2k->cp;
874 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
875 opj_tccp_t *tccp = &tcp->tccps[compno];
876 opj_cio_t *cio = j2k->cio;
878 tmp = cio_read(cio, 1); /* Sqcx */
879 tccp->qntsty = tmp & 0x1f;
880 tccp->numgbits = tmp >> 5;
881 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
882 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
885 if (j2k->cp->correct) {
887 /* if JPWL is on, we check whether there are too many subbands */
888 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
889 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
890 "JPWL: bad number of subbands in Sqcx (%d)\n",
893 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
896 /* we try to correct */
898 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
899 "- setting number of bands to %d => HYPOTHESIS!!!\n",
904 #endif /* USE_JPWL */
906 for (bandno = 0; bandno < numbands; bandno++) {
908 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
909 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
912 tmp = cio_read(cio, 2); /* SPqcx_i */
916 tccp->stepsizes[bandno].expn = expn;
917 tccp->stepsizes[bandno].mant = mant;
920 /* Add Antonin : if scalar_derived -> compute other stepsizes */
921 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
922 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
923 tccp->stepsizes[bandno].expn =
924 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
925 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
926 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
932 static void j2k_write_qcd(opj_j2k_t *j2k) {
935 opj_cio_t *cio = j2k->cio;
937 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
938 lenp = cio_tell(cio);
940 j2k_write_qcx(j2k, 0);
941 len = cio_tell(cio) - lenp;
943 cio_write(cio, len, 2); /* Lqcd */
944 cio_seek(cio, lenp + len);
947 static void j2k_read_qcd(opj_j2k_t *j2k) {
950 opj_cio_t *cio = j2k->cio;
951 opj_image_t *image = j2k->image;
953 len = cio_read(cio, 2); /* Lqcd */
955 for (i = 0; i < image->numcomps; i++) {
957 j2k_read_qcx(j2k, i, len - 2);
961 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
964 opj_cio_t *cio = j2k->cio;
966 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
967 lenp = cio_tell(cio);
969 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
970 j2k_write_qcx(j2k, compno);
971 len = cio_tell(cio) - lenp;
973 cio_write(cio, len, 2); /* Lqcc */
974 cio_seek(cio, lenp + len);
977 static void j2k_read_qcc(opj_j2k_t *j2k) {
979 int numcomp = j2k->image->numcomps;
980 opj_cio_t *cio = j2k->cio;
982 len = cio_read(cio, 2); /* Lqcc */
983 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
986 if (j2k->cp->correct) {
988 static int backup_compno = 0;
990 /* compno is negative or larger than the number of components!!! */
991 if ((compno < 0) || (compno >= numcomp)) {
992 opj_event_msg(j2k->cinfo, EVT_ERROR,
993 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
996 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
999 /* we try to correct */
1000 compno = backup_compno % numcomp;
1001 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1002 "- setting component number to %d\n",
1006 /* keep your private count of tiles */
1009 #endif /* USE_JPWL */
1011 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
1014 static void j2k_write_poc(opj_j2k_t *j2k) {
1015 int len, numpchgs, i;
1017 int numcomps = j2k->image->numcomps;
1019 opj_cp_t *cp = j2k->cp;
1020 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1021 opj_tccp_t *tccp = &tcp->tccps[0];
1022 opj_cio_t *cio = j2k->cio;
1024 numpchgs = 1 + tcp->numpocs;
1025 cio_write(cio, J2K_MS_POC, 2); /* POC */
1026 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1027 cio_write(cio, len, 2); /* Lpoc */
1028 for (i = 0; i < numpchgs; i++) {
1029 opj_poc_t *poc = &tcp->pocs[i];
1030 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1031 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
1032 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1033 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1034 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1035 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1036 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
1037 poc->compno1 = int_min(poc->compno1, numcomps);
1038 cio_write(cio, poc->prg, 1); /* Ppoc_i */
1042 static void j2k_read_poc(opj_j2k_t *j2k) {
1043 int len, numpchgs, i, old_poc;
1045 int numcomps = j2k->image->numcomps;
1047 opj_cp_t *cp = j2k->cp;
1048 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1049 opj_cio_t *cio = j2k->cio;
1051 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1053 len = cio_read(cio, 2); /* Lpoc */
1054 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1056 for (i = old_poc; i < numpchgs + old_poc; i++) {
1058 poc = &tcp->pocs[i];
1059 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1060 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
1061 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
1062 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
1063 poc->compno1 = int_min(
1064 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
1065 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1068 tcp->numpocs = numpchgs + old_poc - 1;
1071 static void j2k_read_crg(opj_j2k_t *j2k) {
1072 int len, i, Xcrg_i, Ycrg_i;
1074 opj_cio_t *cio = j2k->cio;
1075 int numcomps = j2k->image->numcomps;
1077 len = cio_read(cio, 2); /* Lcrg */
1078 for (i = 0; i < numcomps; i++) {
1079 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1080 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1084 static void j2k_read_tlm(opj_j2k_t *j2k) {
1085 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1086 long int Ttlm_i, Ptlm_i;
1088 opj_cio_t *cio = j2k->cio;
1090 len = cio_read(cio, 2); /* Ltlm */
1091 Ztlm = cio_read(cio, 1); /* Ztlm */
1092 Stlm = cio_read(cio, 1); /* Stlm */
1093 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1094 SP = (Stlm >> 6) & 0x01;
1095 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1096 for (i = 0; i < tile_tlm; i++) {
1097 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1098 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1102 static void j2k_read_plm(opj_j2k_t *j2k) {
1103 int len, i, Zplm, Nplm, add, packet_len = 0;
1105 opj_cio_t *cio = j2k->cio;
1107 len = cio_read(cio, 2); /* Lplm */
1108 Zplm = cio_read(cio, 1); /* Zplm */
1111 Nplm = cio_read(cio, 4); /* Nplm */
1113 for (i = Nplm; i > 0; i--) {
1114 add = cio_read(cio, 1);
1116 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1117 if ((add & 0x80) == 0) {
1127 static void j2k_read_plt(opj_j2k_t *j2k) {
1128 int len, i, Zplt, packet_len = 0, add;
1130 opj_cio_t *cio = j2k->cio;
1132 len = cio_read(cio, 2); /* Lplt */
1133 Zplt = cio_read(cio, 1); /* Zplt */
1134 for (i = len - 3; i > 0; i--) {
1135 add = cio_read(cio, 1);
1136 packet_len = (packet_len << 7) + add; /* Iplt_i */
1137 if ((add & 0x80) == 0) {
1144 static void j2k_read_ppm(opj_j2k_t *j2k) {
1145 int len, Z_ppm, i, j;
1148 opj_cp_t *cp = j2k->cp;
1149 opj_cio_t *cio = j2k->cio;
1151 len = cio_read(cio, 2);
1154 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1157 if (cp->ppm_previous == 0) {
1158 N_ppm = cio_read(cio, 4); /* N_ppm */
1161 N_ppm = cp->ppm_previous;
1164 if (Z_ppm == 0) { /* First PPM marker */
1165 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1166 cp->ppm_data_first = cp->ppm_data;
1167 cp->ppm_len = N_ppm;
1168 } else { /* NON-first PPM marker */
1169 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1172 /* this memory allocation check could be done even in non-JPWL cases */
1174 if (!cp->ppm_data) {
1175 opj_event_msg(j2k->cinfo, EVT_ERROR,
1176 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1178 if (!JPWL_ASSUME || JPWL_ASSUME) {
1179 opj_free(cp->ppm_data);
1180 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1187 cp->ppm_data_first = cp->ppm_data;
1188 cp->ppm_len = N_ppm + cp->ppm_store;
1190 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1191 cp->ppm_data[j] = cio_read(cio, 1);
1195 break; /* Case of non-finished packet header in present marker but finished in next one */
1197 cp->ppm_previous = i - 1;
1202 static void j2k_read_ppt(opj_j2k_t *j2k) {
1203 int len, Z_ppt, i, j = 0;
1205 opj_cp_t *cp = j2k->cp;
1206 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1207 opj_cio_t *cio = j2k->cio;
1209 len = cio_read(cio, 2);
1210 Z_ppt = cio_read(cio, 1);
1212 if (Z_ppt == 0) { /* First PPT marker */
1213 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1214 tcp->ppt_data_first = tcp->ppt_data;
1216 tcp->ppt_len = len - 3;
1217 } else { /* NON-first PPT marker */
1218 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1219 tcp->ppt_data_first = tcp->ppt_data;
1220 tcp->ppt_len = len - 3 + tcp->ppt_store;
1223 for (i = len - 3; i > 0; i--) {
1224 tcp->ppt_data[j] = cio_read(cio, 1);
1230 static void j2k_write_tlm(opj_j2k_t *j2k){
1232 opj_cio_t *cio = j2k->cio;
1233 j2k->tlm_start = cio_tell(cio);
1234 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1235 lenp = 4 + (5*j2k->totnum_tp);
1236 cio_write(cio,lenp,2); /* Ltlm */
1237 cio_write(cio, 0,1); /* Ztlm=0*/
1238 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1239 cio_skip(cio,5*j2k->totnum_tp);
1242 static void j2k_write_sot(opj_j2k_t *j2k) {
1245 opj_cio_t *cio = j2k->cio;
1247 j2k->sot_start = cio_tell(cio);
1248 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1249 lenp = cio_tell(cio);
1250 cio_skip(cio, 2); /* Lsot (further) */
1251 cio_write(cio, j2k->curtileno, 2); /* Isot */
1252 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1253 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1254 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1255 len = cio_tell(cio) - lenp;
1256 cio_seek(cio, lenp);
1257 cio_write(cio, len, 2); /* Lsot */
1258 cio_seek(cio, lenp + len);
1262 /* update markers struct */
1263 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1264 #endif /* USE_JPWL */
1268 static void j2k_read_sot(opj_j2k_t *j2k) {
1269 int len, tileno, totlen, partno, numparts, i;
1270 opj_tcp_t *tcp = NULL;
1273 opj_cp_t *cp = j2k->cp;
1274 opj_cio_t *cio = j2k->cio;
1276 len = cio_read(cio, 2);
1277 tileno = cio_read(cio, 2);
1280 if (j2k->cp->correct) {
1282 static int backup_tileno = 0;
1284 /* tileno is negative or larger than the number of tiles!!! */
1285 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1286 opj_event_msg(j2k->cinfo, EVT_ERROR,
1287 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1288 tileno, (cp->tw * cp->th));
1290 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1293 /* we try to correct */
1294 tileno = backup_tileno;
1295 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1296 "- setting tile number to %d\n",
1300 /* keep your private count of tiles */
1303 #endif /* USE_JPWL */
1305 if (cp->tileno_size == 0) {
1306 cp->tileno[cp->tileno_size] = tileno;
1310 while (i < cp->tileno_size && status == 0) {
1311 status = cp->tileno[i] == tileno ? 1 : 0;
1315 cp->tileno[cp->tileno_size] = tileno;
1320 totlen = cio_read(cio, 4);
1323 if (j2k->cp->correct) {
1325 /* totlen is negative or larger than the bytes left!!! */
1326 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1327 opj_event_msg(j2k->cinfo, EVT_ERROR,
1328 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1329 totlen, cio_numbytesleft(cio) + 8);
1331 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1334 /* we try to correct */
1336 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1337 "- setting Psot to %d => assuming it is the last tile\n",
1342 #endif /* USE_JPWL */
1345 totlen = cio_numbytesleft(cio) + 8;
1347 partno = cio_read(cio, 1);
1348 numparts = cio_read(cio, 1);
1350 j2k->curtileno = tileno;
1351 j2k->cur_tp_num = partno;
1352 j2k->eot = cio_getbp(cio) - 12 + totlen;
1353 j2k->state = J2K_STATE_TPH;
1354 tcp = &cp->tcps[j2k->curtileno];
1357 if (j2k->cstr_info) {
1360 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1361 j2k->cstr_info->tile[tileno].tileno = tileno;
1362 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1363 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1364 j2k->cstr_info->tile[tileno].num_tps = numparts;
1366 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
1368 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
1371 j2k->cstr_info->tile[tileno].end_pos += totlen;
1373 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1374 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1375 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1378 if (tcp->first == 1) {
1379 /* Initialization PPT */
1380 opj_tccp_t *tmp = tcp->tccps;
1381 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1383 tcp->ppt_data = NULL;
1384 tcp->ppt_data_first = NULL;
1387 for (i = 0; i < j2k->image->numcomps; i++) {
1388 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1390 cp->tcps[j2k->curtileno].first = 0;
1394 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1397 opj_tcp_t *tcp = NULL;
1398 opj_codestream_info_t *cstr_info = NULL;
1400 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1401 opj_cp_t *cp = j2k->cp;
1402 opj_cio_t *cio = j2k->cio;
1404 tcd->tp_num = j2k->tp_num ;
1405 tcd->cur_tp_num = j2k->cur_tp_num;
1407 cio_write(cio, J2K_MS_SOD, 2);
1408 if (j2k->curtileno == 0) {
1409 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1413 cstr_info = j2k->cstr_info;
1415 if (!j2k->cur_tp_num ) {
1416 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1417 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1420 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1421 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1425 /* update markers struct */
1426 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1427 #endif /* USE_JPWL */
1432 tcp = &cp->tcps[j2k->curtileno];
1433 for (layno = 0; layno < tcp->numlayers; layno++) {
1434 tcp->rates[layno] -= tcp->rates[layno] ? (j2k->sod_start / (cp->th * cp->tw)) : 0;
1436 if(j2k->cur_tp_num == 0){
1437 tcd->tcd_image->tiles->packno = 0;
1439 cstr_info->packno = 0;
1442 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1444 /* Writing Psot in SOT marker */
1445 totlen = cio_tell(cio) + l - j2k->sot_start;
1446 cio_seek(cio, j2k->sot_start + 6);
1447 cio_write(cio, totlen, 4);
1448 cio_seek(cio, j2k->sot_start + totlen);
1449 /* Writing Ttlm and Ptlm in TLM marker */
1451 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1452 cio_write(cio, j2k->curtileno, 1);
1453 cio_write(cio, totlen, 4);
1455 cio_seek(cio, j2k->sot_start + totlen);
1458 static void j2k_read_sod(opj_j2k_t *j2k) {
1459 int len, truncate = 0, i;
1460 unsigned char *data = NULL, *data_ptr = NULL;
1462 opj_cio_t *cio = j2k->cio;
1463 int curtileno = j2k->curtileno;
1466 if (j2k->cstr_info) {
1467 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1468 cio_tell(cio) + j2k->pos_correction - 1;
1469 if (j2k->cur_tp_num == 0)
1470 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1471 j2k->cstr_info->packno = 0;
1474 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1476 if (len == cio_numbytesleft(cio) + 1) {
1477 truncate = 1; /* Case of a truncate codestream */
1480 data = j2k->tile_data[curtileno];
1481 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1483 data_ptr = data + j2k->tile_len[curtileno];
1484 for (i = 0; i < len; i++) {
1485 data_ptr[i] = cio_read(cio, 1);
1488 j2k->tile_len[curtileno] += len;
1489 j2k->tile_data[curtileno] = data;
1492 j2k->state = J2K_STATE_TPHSOT;
1494 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1499 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1500 opj_cp_t *cp = j2k->cp;
1501 opj_tcp_t *tcp = &cp->tcps[tileno];
1502 opj_cio_t *cio = j2k->cio;
1503 int numcomps = j2k->image->numcomps;
1505 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1506 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1507 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1508 cio_write(cio, 0, 1); /* Srgn */
1509 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1512 static void j2k_read_rgn(opj_j2k_t *j2k) {
1513 int len, compno, roisty;
1515 opj_cp_t *cp = j2k->cp;
1516 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1517 opj_cio_t *cio = j2k->cio;
1518 int numcomps = j2k->image->numcomps;
1520 len = cio_read(cio, 2); /* Lrgn */
1521 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1522 roisty = cio_read(cio, 1); /* Srgn */
1525 if (j2k->cp->correct) {
1526 /* totlen is negative or larger than the bytes left!!! */
1527 if (compno >= numcomps) {
1528 opj_event_msg(j2k->cinfo, EVT_ERROR,
1529 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1531 if (!JPWL_ASSUME || JPWL_ASSUME) {
1532 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1537 #endif /* USE_JPWL */
1539 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1542 static void j2k_write_eoc(opj_j2k_t *j2k) {
1543 opj_cio_t *cio = j2k->cio;
1544 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1545 cio_write(cio, J2K_MS_EOC, 2);
1549 /* update markers struct */
1550 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1551 #endif /* USE_JPWL */
1555 static void j2k_read_eoc(opj_j2k_t *j2k) {
1559 /* if packets should be decoded */
1560 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1561 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1562 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1563 for (i = 0; i < j2k->cp->tileno_size; i++) {
1564 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1565 tileno = j2k->cp->tileno[i];
1566 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1567 opj_free(j2k->tile_data[tileno]);
1568 j2k->tile_data[tileno] = NULL;
1569 tcd_free_decode_tile(tcd, i);
1570 if (success == false) {
1571 j2k->state |= J2K_STATE_ERR;
1575 tcd_free_decode(tcd);
1578 /* if packets should not be decoded */
1580 for (i = 0; i < j2k->cp->tileno_size; i++) {
1581 tileno = j2k->cp->tileno[i];
1582 opj_free(j2k->tile_data[tileno]);
1583 j2k->tile_data[tileno] = NULL;
1586 if (j2k->state & J2K_STATE_ERR)
1587 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1589 j2k->state = J2K_STATE_MT;
1592 typedef struct opj_dec_mstabent {
1595 /** value of the state when the marker can appear */
1597 /** action linked to the marker */
1598 void (*handler) (opj_j2k_t *j2k);
1599 } opj_dec_mstabent_t;
1601 opj_dec_mstabent_t j2k_dec_mstab[] = {
1602 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1603 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1604 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1605 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1606 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1607 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1608 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1609 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1610 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1611 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1612 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1613 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1614 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1615 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1616 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1617 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1619 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1620 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1623 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1624 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1625 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1626 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1627 #endif /* USE_JPWL */
1629 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1630 {J2K_MS_INSEC, 0, j2k_read_insec},
1631 #endif /* USE_JPSEC */
1633 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1636 static void j2k_read_unk(opj_j2k_t *j2k) {
1637 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1640 if (j2k->cp->correct) {
1642 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1643 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1644 id = cio_read(j2k->cio, 2);
1645 opj_event_msg(j2k->cinfo, EVT_ERROR,
1646 "JPWL: really don't know this marker %x\n",
1649 opj_event_msg(j2k->cinfo, EVT_ERROR,
1650 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1653 /* OK, activate this at your own risk!!! */
1654 /* we look for the marker at the minimum hamming distance from this */
1655 while (j2k_dec_mstab[m].id) {
1657 /* 1's where they differ */
1658 tmp_id = j2k_dec_mstab[m].id ^ id;
1660 /* compute the hamming distance between our id and the current */
1662 for (i = 0; i < 16; i++) {
1663 if ((tmp_id >> i) & 0x0001) {
1668 /* if current distance is smaller, set the minimum */
1669 if (cur_dist < min_dist) {
1670 min_dist = cur_dist;
1671 min_id = j2k_dec_mstab[m].id;
1674 /* jump to the next marker */
1678 /* do we substitute the marker? */
1679 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1680 opj_event_msg(j2k->cinfo, EVT_ERROR,
1681 "- marker %x is at distance %d from the read %x\n",
1682 min_id, min_dist, id);
1683 opj_event_msg(j2k->cinfo, EVT_ERROR,
1684 "- trying to substitute in place and crossing fingers!\n");
1685 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1686 cio_write(j2k->cio, min_id, 2);
1689 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1694 #endif /* USE_JPWL */
1699 Read the lookup table containing all the marker, status and action
1700 @param id Marker value
1702 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1703 opj_dec_mstabent_t *e;
1704 for (e = j2k_dec_mstab; e->id != 0; e++) {
1712 /* ----------------------------------------------------------------------- */
1713 /* J2K / JPT decoder interface */
1714 /* ----------------------------------------------------------------------- */
1716 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1717 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1721 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1722 if(!j2k->default_tcp) {
1728 j2k->tile_data = NULL;
1733 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1736 if(j2k->tile_len != NULL) {
1737 opj_free(j2k->tile_len);
1739 if(j2k->tile_data != NULL) {
1740 opj_free(j2k->tile_data);
1742 if(j2k->default_tcp != NULL) {
1743 opj_tcp_t *default_tcp = j2k->default_tcp;
1744 if(default_tcp->ppt_data_first != NULL) {
1745 opj_free(default_tcp->ppt_data_first);
1747 if(j2k->default_tcp->tccps != NULL) {
1748 opj_free(j2k->default_tcp->tccps);
1750 opj_free(j2k->default_tcp);
1752 if(j2k->cp != NULL) {
1753 opj_cp_t *cp = j2k->cp;
1754 if(cp->tcps != NULL) {
1755 for(i = 0; i < cp->tw * cp->th; i++) {
1756 if(cp->tcps[i].ppt_data_first != NULL) {
1757 opj_free(cp->tcps[i].ppt_data_first);
1759 if(cp->tcps[i].tccps != NULL) {
1760 opj_free(cp->tcps[i].tccps);
1765 if(cp->ppm_data_first != NULL) {
1766 opj_free(cp->ppm_data_first);
1768 if(cp->tileno != NULL) {
1769 opj_free(cp->tileno);
1771 if(cp->comment != NULL) {
1772 opj_free(cp->comment);
1780 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1781 if(j2k && parameters) {
1782 /* create and initialize the coding parameters structure */
1783 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1784 cp->reduce = parameters->cp_reduce;
1785 cp->layer = parameters->cp_layer;
1786 cp->limit_decoding = parameters->cp_limit_decoding;
1789 cp->correct = parameters->jpwl_correct;
1790 cp->exp_comps = parameters->jpwl_exp_comps;
1791 cp->max_tiles = parameters->jpwl_max_tiles;
1792 #endif /* USE_JPWL */
1795 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1800 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1801 opj_image_t *image = NULL;
1803 opj_common_ptr cinfo = j2k->cinfo;
1806 j2k->cstr_info = cstr_info;
1808 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1810 /* create an empty image */
1811 image = opj_image_create0();
1814 j2k->state = J2K_STATE_MHSOC;
1817 opj_dec_mstabent_t *e;
1818 int id = cio_read(cio, 2);
1821 /* we try to honor JPWL correction power */
1822 if (j2k->cp->correct) {
1824 int orig_pos = cio_tell(cio);
1827 /* call the corrector */
1828 status = jpwl_correct(j2k);
1830 /* go back to where you were */
1831 cio_seek(cio, orig_pos - 2);
1833 /* re-read the marker */
1834 id = cio_read(cio, 2);
1836 /* check whether it begins with ff */
1837 if (id >> 8 != 0xff) {
1838 opj_event_msg(cinfo, EVT_ERROR,
1839 "JPWL: possible bad marker %x at %d\n",
1840 id, cio_tell(cio) - 2);
1842 opj_image_destroy(image);
1843 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1846 /* we try to correct */
1848 cio_seek(cio, cio_tell(cio) - 2);
1849 cio_write(cio, id, 2);
1850 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1851 "- setting marker to %x\n",
1856 #endif /* USE_JPWL */
1858 if (id >> 8 != 0xff) {
1859 opj_image_destroy(image);
1860 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1863 e = j2k_dec_mstab_lookup(id);
1864 // Check if the marker is known
1865 if (!(j2k->state & e->states)) {
1866 opj_image_destroy(image);
1867 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1870 // Check if the decoding is limited to the main header
1871 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1872 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1879 if (j2k->state & J2K_STATE_ERR)
1882 if (j2k->state == J2K_STATE_MT) {
1885 if (j2k->state == J2K_STATE_NEOC) {
1889 if (j2k->state == J2K_STATE_NEOC) {
1893 if (j2k->state != J2K_STATE_MT) {
1894 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1901 * Read a JPT-stream and decode file
1904 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1905 opj_image_t *image = NULL;
1906 opj_jpt_msg_header_t header;
1909 opj_common_ptr cinfo = j2k->cinfo;
1913 /* create an empty image */
1914 image = opj_image_create0();
1917 j2k->state = J2K_STATE_MHSOC;
1919 /* Initialize the header */
1920 jpt_init_msg_header(&header);
1921 /* Read the first header of the message */
1922 jpt_read_msg_header(cinfo, cio, &header);
1924 position = cio_tell(cio);
1925 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1926 opj_image_destroy(image);
1927 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1932 opj_dec_mstabent_t *e = NULL;
1935 if (!cio_numbytesleft(cio)) {
1939 /* data-bin read -> need to read a new header */
1940 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1941 jpt_read_msg_header(cinfo, cio, &header);
1942 position = cio_tell(cio);
1943 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1944 opj_image_destroy(image);
1945 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1950 id = cio_read(cio, 2);
1951 if (id >> 8 != 0xff) {
1952 opj_image_destroy(image);
1953 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1956 e = j2k_dec_mstab_lookup(id);
1957 if (!(j2k->state & e->states)) {
1958 opj_image_destroy(image);
1959 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1965 if (j2k->state == J2K_STATE_MT) {
1968 if (j2k->state == J2K_STATE_NEOC) {
1972 if (j2k->state == J2K_STATE_NEOC) {
1976 if (j2k->state != J2K_STATE_MT) {
1977 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1983 /* ----------------------------------------------------------------------- */
1984 /* J2K encoder interface */
1985 /* ----------------------------------------------------------------------- */
1987 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1988 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1995 void j2k_destroy_compress(opj_j2k_t *j2k) {
1999 if(j2k->cp != NULL) {
2000 opj_cp_t *cp = j2k->cp;
2003 opj_free(cp->comment);
2006 opj_free(cp->matrice);
2008 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2009 opj_free(cp->tcps[tileno].tccps);
2018 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2019 int i, j, tileno, numpocs_tile;
2020 opj_cp_t *cp = NULL;
2022 if(!j2k || !parameters || ! image) {
2026 /* create and initialize the coding parameters structure */
2027 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2029 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2032 /* set default values for cp */
2037 copy user encoding parameters
2039 cp->cinema = parameters->cp_cinema;
2040 cp->max_comp_size = parameters->max_comp_size;
2041 cp->rsiz = parameters->cp_rsiz;
2042 cp->disto_alloc = parameters->cp_disto_alloc;
2043 cp->fixed_alloc = parameters->cp_fixed_alloc;
2044 cp->fixed_quality = parameters->cp_fixed_quality;
2046 /* mod fixed_quality */
2047 if(parameters->cp_matrice) {
2048 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2049 cp->matrice = (int *) opj_malloc(array_size);
2050 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2054 cp->tdx = parameters->cp_tdx;
2055 cp->tdy = parameters->cp_tdy;
2058 cp->tx0 = parameters->cp_tx0;
2059 cp->ty0 = parameters->cp_ty0;
2061 /* comment string */
2062 if(parameters->cp_comment) {
2063 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2065 strcpy(cp->comment, parameters->cp_comment);
2070 calculate other encoding parameters
2073 if (parameters->tile_size_on) {
2074 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2075 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2077 cp->tdx = image->x1 - cp->tx0;
2078 cp->tdy = image->y1 - cp->ty0;
2081 if(parameters->tp_on){
2082 cp->tp_flag = parameters->tp_flag;
2087 for(i=0;i<image->numcomps ;i++){
2088 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2094 calculate JPWL encoding parameters
2097 if (parameters->jpwl_epc_on) {
2102 cp->info_on = false; /* no informative technique */
2105 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2108 cp->hprot_MH = parameters->jpwl_hprot_MH;
2109 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2110 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2111 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2113 /* if tile specs are not specified, copy MH specs */
2114 if (cp->hprot_TPH[0] == -1) {
2115 cp->hprot_TPH_tileno[0] = 0;
2116 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2118 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2119 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2120 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2121 cp->pprot[i] = parameters->jpwl_pprot[i];
2125 /* set ESD writing */
2126 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2129 cp->sens_size = parameters->jpwl_sens_size;
2130 cp->sens_addr = parameters->jpwl_sens_addr;
2131 cp->sens_range = parameters->jpwl_sens_range;
2133 cp->sens_MH = parameters->jpwl_sens_MH;
2134 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2135 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2136 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2140 /* always set RED writing to false: we are at the encoder */
2146 #endif /* USE_JPWL */
2149 /* initialize the mutiple tiles */
2150 /* ---------------------------- */
2151 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2153 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2154 opj_tcp_t *tcp = &cp->tcps[tileno];
2155 tcp->numlayers = parameters->tcp_numlayers;
2156 for (j = 0; j < tcp->numlayers; j++) {
2158 if (cp->fixed_quality) {
2159 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2161 tcp->rates[j] = parameters->tcp_rates[j];
2163 if (cp->fixed_quality) { /* add fixed_quality */
2164 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2166 tcp->rates[j] = parameters->tcp_rates[j];
2170 tcp->csty = parameters->csty;
2171 tcp->prg = parameters->prog_order;
2172 tcp->mct = parameters->tcp_mct;
2176 if (parameters->numpocs) {
2177 /* initialisation of POC */
2179 for (i = 0; i < parameters->numpocs; i++) {
2180 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2181 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2182 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2183 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2184 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2185 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2186 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2187 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2188 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2192 tcp->numpocs = numpocs_tile -1 ;
2197 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2199 for (i = 0; i < image->numcomps; i++) {
2200 opj_tccp_t *tccp = &tcp->tccps[i];
2201 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2202 tccp->numresolutions = parameters->numresolution;
2203 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2204 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2205 tccp->cblksty = parameters->mode;
2206 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2207 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2209 if (i == parameters->roi_compno) {
2210 tccp->roishift = parameters->roi_shift;
2215 if(parameters->cp_cinema)
2217 //Precinct size for lowest frequency subband=128
2220 //Precinct size at all other resolutions = 256
2221 for (j = 1; j < tccp->numresolutions; j++) {
2226 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2228 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2229 if (p < parameters->res_spec) {
2231 if (parameters->prcw_init[p] < 1) {
2234 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2237 if (parameters->prch_init[p] < 1) {
2240 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2244 int res_spec = parameters->res_spec;
2245 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2246 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2248 if (size_prcw < 1) {
2251 tccp->prcw[j] = int_floorlog2(size_prcw);
2254 if (size_prch < 1) {
2257 tccp->prch[j] = int_floorlog2(size_prch);
2261 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2264 for (j = 0; j < tccp->numresolutions; j++) {
2271 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2276 bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2278 opj_cp_t *cp = NULL;
2280 opj_tcd_t *tcd = NULL; /* TCD component */
2287 /* j2k_dump_cp(stdout, image, cp); */
2290 j2k->cstr_info = cstr_info;
2293 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2294 cstr_info->image_w = image->x1 - image->x0;
2295 cstr_info->image_h = image->y1 - image->y0;
2296 cstr_info->prog = (&cp->tcps[0])->prg;
2297 cstr_info->tw = cp->tw;
2298 cstr_info->th = cp->th;
2299 cstr_info->tile_x = cp->tdx; /* new version parser */
2300 cstr_info->tile_y = cp->tdy; /* new version parser */
2301 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2302 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2303 cstr_info->numcomps = image->numcomps;
2304 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2305 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2306 for (compno=0; compno < image->numcomps; compno++) {
2307 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2309 cstr_info->D_max = 0.0; /* ADD Marcela */
2310 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2311 cstr_info->maxmarknum = 100;
2312 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2313 cstr_info->marknum = 0;
2323 for (compno = 1; compno < image->numcomps; compno++) {
2324 j2k_write_coc(j2k, compno);
2325 j2k_write_qcc(j2k, compno);
2329 for (compno = 0; compno < image->numcomps; compno++) {
2330 opj_tcp_t *tcp = &cp->tcps[0];
2331 if (tcp->tccps[compno].roishift)
2332 j2k_write_rgn(j2k, compno, 0);
2334 if (cp->comment != NULL) {
2338 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2342 if (cp->cinema == CINEMA4K_24) {
2347 /* uncomment only for testing JPSEC marker writing */
2348 /* j2k_write_sec(j2k); */
2352 cstr_info->main_head_end = cio_tell(cio) - 1;
2355 /**** Main Header ENDS here ***/
2357 /* create the tile encoder */
2358 tcd = tcd_create(j2k->cinfo);
2360 /* encode each tile */
2361 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2365 int acc_pack_num = 0;
2369 opj_tcp_t *tcp = &cp->tcps[tileno];
2370 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2372 j2k->curtileno = tileno;
2373 j2k->cur_tp_num = 0;
2374 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2375 /* initialisation before tile encoding */
2377 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2379 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2384 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2388 for(pino = 0; pino <= tcp->numpocs; pino++) {
2392 /*Get number of tile parts*/
2393 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2394 tcd->tp_pos = cp->tp_pos;
2396 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2397 j2k->tp_num = tilepartno;
2400 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2401 cio_tell(cio) + j2k->pos_correction;
2405 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2406 for (compno = 1; compno < image->numcomps; compno++) {
2407 j2k_write_coc(j2k, compno);
2408 j2k_write_qcc(j2k, compno);
2410 if (cp->tcps[tileno].numpocs) {
2417 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2418 cio_tell(cio) + j2k->pos_correction + 1;
2421 j2k_write_sod(j2k, tcd);
2425 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2426 cio_tell(cio) + j2k->pos_correction - 1;
2427 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2429 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2430 cstr_info->packno - acc_pack_num;
2431 acc_pack_num = cstr_info->packno;
2439 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2444 if (tile->PPT) { // BAD PPT !!!
2447 PPT_file=fopen("PPT","rb");
2448 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2449 for (i=0;i<tile->len_ppt;i++) {
2451 fread(&elmt, 1, 1, PPT_file);
2452 fwrite(&elmt,1,1,f);
2461 /* destroy the tile encoder */
2462 tcd_free_encode(tcd);
2465 opj_free(j2k->cur_totnum_tp);
2470 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2472 /* The following adjustment is done to adjust the codestream size */
2473 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2474 /* the first bunch of bytes is not in the codestream */
2475 cstr_info->codestream_size -= cstr_info->main_head_start;
2481 preparation of JPWL marker segments
2485 /* encode according to JPWL */
2486 jpwl_encode(j2k, cio, image);
2489 #endif /* USE_JPWL */