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[] = {
250 char *convert_progression_order(OPJ_PROG_ORDER prg_order){
251 j2k_prog_order_t *po;
252 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
253 if(po->enum_prog == prg_order){
260 void j2k_dump_image(FILE *fd, opj_image_t * img) {
262 fprintf(fd, "image {\n");
263 fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0, img->x1, img->y1);
264 fprintf(fd, " numcomps=%d\n", img->numcomps);
265 for (compno = 0; compno < img->numcomps; compno++) {
266 opj_image_comp_t *comp = &img->comps[compno];
267 fprintf(fd, " comp %d {\n", compno);
268 fprintf(fd, " dx=%d, dy=%d\n", comp->dx, comp->dy);
269 fprintf(fd, " prec=%d\n", comp->prec);
270 fprintf(fd, " sgnd=%d\n", comp->sgnd);
276 void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) {
277 int tileno, compno, layno, bandno, resno, numbands;
278 fprintf(fd, "coding parameters {\n");
279 fprintf(fd, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
280 fprintf(fd, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
281 fprintf(fd, " tw=%d, th=%d\n", cp->tw, cp->th);
282 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
283 opj_tcp_t *tcp = &cp->tcps[tileno];
284 fprintf(fd, " tile %d {\n", tileno);
285 fprintf(fd, " csty=%x\n", tcp->csty);
286 fprintf(fd, " prg=%d\n", tcp->prg);
287 fprintf(fd, " numlayers=%d\n", tcp->numlayers);
288 fprintf(fd, " mct=%d\n", tcp->mct);
289 fprintf(fd, " rates=");
290 for (layno = 0; layno < tcp->numlayers; layno++) {
291 fprintf(fd, "%.1f ", tcp->rates[layno]);
294 for (compno = 0; compno < img->numcomps; compno++) {
295 opj_tccp_t *tccp = &tcp->tccps[compno];
296 fprintf(fd, " comp %d {\n", compno);
297 fprintf(fd, " csty=%x\n", tccp->csty);
298 fprintf(fd, " numresolutions=%d\n", tccp->numresolutions);
299 fprintf(fd, " cblkw=%d\n", tccp->cblkw);
300 fprintf(fd, " cblkh=%d\n", tccp->cblkh);
301 fprintf(fd, " cblksty=%x\n", tccp->cblksty);
302 fprintf(fd, " qmfbid=%d\n", tccp->qmfbid);
303 fprintf(fd, " qntsty=%d\n", tccp->qntsty);
304 fprintf(fd, " numgbits=%d\n", tccp->numgbits);
305 fprintf(fd, " roishift=%d\n", tccp->roishift);
306 fprintf(fd, " stepsizes=");
307 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
308 for (bandno = 0; bandno < numbands; bandno++) {
309 fprintf(fd, "(%d,%d) ", tccp->stepsizes[bandno].mant,
310 tccp->stepsizes[bandno].expn);
314 if (tccp->csty & J2K_CCP_CSTY_PRT) {
315 fprintf(fd, " prcw=");
316 for (resno = 0; resno < tccp->numresolutions; resno++) {
317 fprintf(fd, "%d ", tccp->prcw[resno]);
320 fprintf(fd, " prch=");
321 for (resno = 0; resno < tccp->numresolutions; resno++) {
322 fprintf(fd, "%d ", tccp->prch[resno]);
333 /* ----------------------------------------------------------------------- */
334 int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
338 opj_tcp_t *tcp = &cp->tcps[tileno];
339 prog = convert_progression_order(tcp->prg);
344 if( cp->tp_flag == prog[i] ){
345 tpend=1;cp->tp_pos=i;
349 tpnum= tpnum * tcp->pocs[pino].compE;
352 tpnum= tpnum * tcp->pocs[pino].resE;
355 tpnum= tpnum * tcp->pocs[pino].prcE;
358 tpnum= tpnum * tcp->pocs[pino].layE;
369 /** mem allocation for TLM marker*/
370 int j2k_generate_tlm(opj_cp_t *cp,int img_numcomp,opj_image_t *image ){
371 int pino,tileno,maxres=0,totnum_tp=0;
372 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
373 opj_tcp_t *tcp = &cp->tcps[tileno];
374 for(pino = 0; pino <= tcp->numpocs; pino++) {
376 opj_pi_iterator_t *pi = (opj_pi_iterator_t *) opj_malloc(sizeof(opj_pi_iterator_t));
377 pi = pi_initialise_encode(image, cp, tileno,pino);
378 if(!pi) { return -1;}
379 tp_num = j2k_get_num_tp(cp,pino,tileno);
380 totnum_tp = totnum_tp + tp_num;
381 pi_destroy(pi, cp, tileno);
387 static void j2k_write_soc(opj_j2k_t *j2k) {
388 opj_cio_t *cio = j2k->cio;
389 cio_write(cio, J2K_MS_SOC, 2);
392 static void j2k_read_soc(opj_j2k_t *j2k) {
393 j2k->state = J2K_STATE_MHSIZ;
396 static void j2k_write_siz(opj_j2k_t *j2k) {
400 opj_cio_t *cio = j2k->cio;
401 opj_image_t *image = j2k->image;
402 opj_cp_t *cp = j2k->cp;
404 cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
405 lenp = cio_tell(cio);
407 cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */
408 cio_write(cio, image->x1, 4); /* Xsiz */
409 cio_write(cio, image->y1, 4); /* Ysiz */
410 cio_write(cio, image->x0, 4); /* X0siz */
411 cio_write(cio, image->y0, 4); /* Y0siz */
412 cio_write(cio, cp->tdx, 4); /* XTsiz */
413 cio_write(cio, cp->tdy, 4); /* YTsiz */
414 cio_write(cio, cp->tx0, 4); /* XT0siz */
415 cio_write(cio, cp->ty0, 4); /* YT0siz */
416 cio_write(cio, image->numcomps, 2); /* Csiz */
417 for (i = 0; i < image->numcomps; i++) {
418 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */
419 cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */
420 cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */
422 len = cio_tell(cio) - lenp;
424 cio_write(cio, len, 2); /* Lsiz */
425 cio_seek(cio, lenp + len);
428 static void j2k_read_siz(opj_j2k_t *j2k) {
431 opj_cio_t *cio = j2k->cio;
432 opj_image_t *image = j2k->image;
433 opj_cp_t *cp = j2k->cp;
435 len = cio_read(cio, 2); /* Lsiz */
436 cio_read(cio, 2); /* Rsiz (capabilities) */
437 image->x1 = cio_read(cio, 4); /* Xsiz */
438 image->y1 = cio_read(cio, 4); /* Ysiz */
439 image->x0 = cio_read(cio, 4); /* X0siz */
440 image->y0 = cio_read(cio, 4); /* Y0siz */
441 cp->tdx = cio_read(cio, 4); /* XTsiz */
442 cp->tdy = cio_read(cio, 4); /* YTsiz */
443 cp->tx0 = cio_read(cio, 4); /* XT0siz */
444 cp->ty0 = cio_read(cio, 4); /* YT0siz */
446 image->numcomps = cio_read(cio, 2); /* Csiz */
449 if (j2k->cp->correct) {
450 /* if JPWL is on, we check whether TX errors have damaged
451 too much the SIZ parameters */
452 if (!(image->x1 * image->y1)) {
453 opj_event_msg(j2k->cinfo, EVT_ERROR,
454 "JPWL: bad image size (%d x %d)\n",
455 image->x1, image->y1);
456 if (!JPWL_ASSUME || JPWL_ASSUME)
459 if (image->numcomps != ((len - 38) / 3)) {
460 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
461 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
462 image->numcomps, ((len - 38) / 3));
465 /* we try to correct */
466 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
467 if (image->numcomps < ((len - 38) / 3)) {
468 len = 38 + 3 * image->numcomps;
469 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
472 image->numcomps = ((len - 38) / 3);
473 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
478 /* update components number in the jpwl_exp_comps filed */
479 cp->exp_comps = image->numcomps;
481 #endif /* USE_JPWL */
483 image->comps = (opj_image_comp_t *) opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
484 for (i = 0; i < image->numcomps; i++) {
486 tmp = cio_read(cio, 1); /* Ssiz_i */
487 image->comps[i].prec = (tmp & 0x7f) + 1;
488 image->comps[i].sgnd = tmp >> 7;
489 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
490 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
494 if (j2k->cp->correct) {
495 /* if JPWL is on, we check whether TX errors have damaged
496 too much the SIZ parameters, again */
497 if (!(image->comps[i].dx * image->comps[i].dy)) {
498 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
499 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
500 i, i, image->comps[i].dx, image->comps[i].dy);
503 /* we try to correct */
504 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
505 if (!image->comps[i].dx) {
506 image->comps[i].dx = 1;
507 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
508 i, image->comps[i].dx);
510 if (!image->comps[i].dy) {
511 image->comps[i].dy = 1;
512 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
513 i, image->comps[i].dy);
518 #endif /* USE_JPWL */
523 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
524 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
526 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
527 image->comps[i].factor = 0; /* reducing factor per component */
530 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
531 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
534 if (j2k->cp->correct) {
535 /* if JPWL is on, we check whether TX errors have damaged
536 too much the SIZ parameters */
537 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
538 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
539 "JPWL: bad number of tiles (%d x %d)\n",
543 /* we try to correct */
544 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
547 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
550 if (cp->tw > cp->max_tiles) {
551 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n",
554 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
559 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
562 if (cp->th > cp->max_tiles) {
563 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
566 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
571 #endif /* USE_JPWL */
573 cp->tcps = (opj_tcp_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcp_t));
574 cp->tileno = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
579 if (j2k->cp->correct) {
581 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
582 "JPWL: could not alloc tcps field of cp\n");
583 if (!JPWL_ASSUME || JPWL_ASSUME)
587 #endif /* USE_JPWL */
589 for (i = 0; i < cp->tw * cp->th; i++) {
591 cp->tcps[i].numpocs = 0;
592 cp->tcps[i].first = 1;
595 /* Initialization for PPM marker */
598 cp->ppm_data_first = NULL;
599 cp->ppm_previous = 0;
602 j2k->default_tcp->tccps = (opj_tccp_t *) opj_malloc(sizeof(opj_tccp_t) * image->numcomps);
603 for (i = 0; i < cp->tw * cp->th; i++) {
604 cp->tcps[i].tccps = (opj_tccp_t *) opj_malloc(sizeof(opj_tccp_t) * image->numcomps);
606 j2k->tile_data = (unsigned char **) opj_malloc(cp->tw * cp->th * sizeof(unsigned char *));
607 j2k->tile_len = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
608 j2k->state = J2K_STATE_MH;
611 static void j2k_write_com(opj_j2k_t *j2k) {
615 if(j2k->cp->comment) {
616 opj_cio_t *cio = j2k->cio;
617 char *comment = j2k->cp->comment;
619 cio_write(cio, J2K_MS_COM, 2);
620 lenp = cio_tell(cio);
622 cio_write(cio, 0, 2);
623 for (i = 0; i < strlen(comment); i++) {
624 cio_write(cio, comment[i], 1);
626 len = cio_tell(cio) - lenp;
628 cio_write(cio, len, 2);
629 cio_seek(cio, lenp + len);
633 static void j2k_read_com(opj_j2k_t *j2k) {
636 opj_cio_t *cio = j2k->cio;
638 len = cio_read(cio, 2);
639 cio_skip(cio, len - 2);
642 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
645 opj_cp_t *cp = j2k->cp;
646 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
647 opj_tccp_t *tccp = &tcp->tccps[compno];
648 opj_cio_t *cio = j2k->cio;
650 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
651 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
652 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
653 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
654 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
656 if (tccp->csty & J2K_CCP_CSTY_PRT) {
657 for (i = 0; i < tccp->numresolutions; i++) {
658 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
663 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
666 opj_cp_t *cp = j2k->cp;
667 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
668 opj_tccp_t *tccp = &tcp->tccps[compno];
669 opj_cio_t *cio = j2k->cio;
671 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
673 /* check the reduce value */
674 cp->reduce = int_min((tccp->numresolutions)-1, cp->reduce);
675 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
676 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
677 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
678 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
679 if (tccp->csty & J2K_CP_CSTY_PRT) {
680 for (i = 0; i < tccp->numresolutions; i++) {
681 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
682 tccp->prcw[i] = tmp & 0xf;
683 tccp->prch[i] = tmp >> 4;
688 static void j2k_write_cod(opj_j2k_t *j2k) {
690 opj_tcp_t *tcp = NULL;
693 opj_cio_t *cio = j2k->cio;
695 cio_write(cio, J2K_MS_COD, 2); /* COD */
697 lenp = cio_tell(cio);
701 tcp = &cp->tcps[j2k->curtileno];
703 cio_write(cio, tcp->csty, 1); /* Scod */
704 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
705 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
706 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
708 j2k_write_cox(j2k, 0);
709 len = cio_tell(cio) - lenp;
711 cio_write(cio, len, 2); /* Lcod */
712 cio_seek(cio, lenp + len);
715 static void j2k_read_cod(opj_j2k_t *j2k) {
718 opj_cio_t *cio = j2k->cio;
719 opj_cp_t *cp = j2k->cp;
720 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
721 opj_image_t *image = j2k->image;
723 len = cio_read(cio, 2); /* Lcod */
724 tcp->csty = cio_read(cio, 1); /* Scod */
725 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
726 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
727 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
730 for (i = 0; i < image->numcomps; i++) {
731 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
733 j2k_read_cox(j2k, i);
737 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
740 opj_cp_t *cp = j2k->cp;
741 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
742 opj_image_t *image = j2k->image;
743 opj_cio_t *cio = j2k->cio;
745 cio_write(cio, J2K_MS_COC, 2); /* COC */
746 lenp = cio_tell(cio);
748 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
749 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
750 j2k_write_cox(j2k, compno);
751 len = cio_tell(cio) - lenp;
753 cio_write(cio, len, 2); /* Lcoc */
754 cio_seek(cio, lenp + len);
757 static void j2k_read_coc(opj_j2k_t *j2k) {
760 opj_cp_t *cp = j2k->cp;
761 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
762 opj_image_t *image = j2k->image;
763 opj_cio_t *cio = j2k->cio;
765 len = cio_read(cio, 2); /* Lcoc */
766 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
767 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
768 j2k_read_cox(j2k, compno);
771 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
772 int bandno, numbands;
775 opj_cp_t *cp = j2k->cp;
776 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
777 opj_tccp_t *tccp = &tcp->tccps[compno];
778 opj_cio_t *cio = j2k->cio;
780 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
781 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
783 for (bandno = 0; bandno < numbands; bandno++) {
784 expn = tccp->stepsizes[bandno].expn;
785 mant = tccp->stepsizes[bandno].mant;
787 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
788 cio_write(cio, expn << 3, 1); /* SPqcx_i */
790 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
795 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
797 int bandno, numbands;
799 opj_cp_t *cp = j2k->cp;
800 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
801 opj_tccp_t *tccp = &tcp->tccps[compno];
802 opj_cio_t *cio = j2k->cio;
804 tmp = cio_read(cio, 1); /* Sqcx */
805 tccp->qntsty = tmp & 0x1f;
806 tccp->numgbits = tmp >> 5;
807 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
808 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
811 if (j2k->cp->correct) {
813 /* if JPWL is on, we check whether there are too many subbands */
814 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
815 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
816 "JPWL: bad number of subbands in Sqcx (%d)\n",
820 /* we try to correct */
821 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
823 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting number of bands to %d => HYPOTHESIS!!!\n",
828 #endif /* USE_JPWL */
830 for (bandno = 0; bandno < numbands; bandno++) {
832 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
833 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
836 tmp = cio_read(cio, 2); /* SPqcx_i */
840 tccp->stepsizes[bandno].expn = expn;
841 tccp->stepsizes[bandno].mant = mant;
844 /* Add Antonin : if scalar_derived -> compute other stepsizes */
845 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
846 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
847 tccp->stepsizes[bandno].expn =
848 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
849 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
850 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
856 static void j2k_write_qcd(opj_j2k_t *j2k) {
859 opj_cio_t *cio = j2k->cio;
861 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
862 lenp = cio_tell(cio);
864 j2k_write_qcx(j2k, 0);
865 len = cio_tell(cio) - lenp;
867 cio_write(cio, len, 2); /* Lqcd */
868 cio_seek(cio, lenp + len);
871 static void j2k_read_qcd(opj_j2k_t *j2k) {
874 opj_cio_t *cio = j2k->cio;
875 opj_image_t *image = j2k->image;
877 len = cio_read(cio, 2); /* Lqcd */
879 for (i = 0; i < image->numcomps; i++) {
881 j2k_read_qcx(j2k, i, len - 2);
885 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
888 opj_cio_t *cio = j2k->cio;
890 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
891 lenp = cio_tell(cio);
893 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
894 j2k_write_qcx(j2k, compno);
895 len = cio_tell(cio) - lenp;
897 cio_write(cio, len, 2); /* Lqcc */
898 cio_seek(cio, lenp + len);
901 static void j2k_read_qcc(opj_j2k_t *j2k) {
903 int numcomp = j2k->image->numcomps;
904 opj_cio_t *cio = j2k->cio;
906 len = cio_read(cio, 2); /* Lqcc */
907 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
910 if (j2k->cp->correct) {
912 static int backup_compno = 0;
914 /* compno is negative or larger than the number of components!!! */
915 if ((compno < 0) || (compno >= numcomp)) {
916 opj_event_msg(j2k->cinfo, EVT_ERROR,
917 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
921 /* we try to correct */
922 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
923 compno = backup_compno % numcomp;
924 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting component number to %d\n",
928 /* keep your private count of tiles */
931 #endif /* USE_JPWL */
933 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
936 static void j2k_write_poc(opj_j2k_t *j2k) {
937 int len, numpchgs, i;
939 int numcomps = j2k->image->numcomps;
941 opj_cp_t *cp = j2k->cp;
942 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
943 opj_tccp_t *tccp = &tcp->tccps[0];
944 opj_cio_t *cio = j2k->cio;
946 numpchgs = tcp->numpocs;
947 cio_write(cio, J2K_MS_POC, 2); /* POC */
948 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
949 cio_write(cio, len, 2); /* Lpoc */
950 for (i = 0; i < numpchgs; i++) {
951 opj_poc_t *poc = &tcp->pocs[i];
952 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
953 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
954 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
955 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
956 cio_write(cio, poc->resno1, 1); /* REpoc_i */
957 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
958 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
959 poc->compno1 = int_min(poc->compno1, numcomps);
960 cio_write(cio, poc->prg, 1); /* Ppoc_i */
964 static void j2k_read_poc(opj_j2k_t *j2k) {
965 int len, numpchgs, i, old_poc;
967 int numcomps = j2k->image->numcomps;
969 opj_cp_t *cp = j2k->cp;
970 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
971 opj_tccp_t *tccp = &tcp->tccps[0];
972 opj_cio_t *cio = j2k->cio;
974 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
976 len = cio_read(cio, 2); /* Lpoc */
977 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
979 for (i = old_poc; i < numpchgs + old_poc; i++) {
982 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
983 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
984 poc->layno1 = int_min(cio_read(cio, 2), (unsigned int) tcp->numlayers); /* LYEpoc_i */
985 poc->resno1 = int_min(cio_read(cio, 1), (unsigned int) tccp->numresolutions); /* REpoc_i */
986 poc->compno1 = int_min(
987 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
988 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
991 tcp->numpocs = numpchgs + old_poc - 1;
994 static void j2k_read_crg(opj_j2k_t *j2k) {
995 int len, i, Xcrg_i, Ycrg_i;
997 opj_cio_t *cio = j2k->cio;
998 int numcomps = j2k->image->numcomps;
1000 len = cio_read(cio, 2); /* Lcrg */
1001 for (i = 0; i < numcomps; i++) {
1002 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1003 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1007 static void j2k_read_tlm(opj_j2k_t *j2k) {
1008 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1009 long int Ttlm_i, Ptlm_i;
1011 opj_cio_t *cio = j2k->cio;
1013 len = cio_read(cio, 2); /* Ltlm */
1014 Ztlm = cio_read(cio, 1); /* Ztlm */
1015 Stlm = cio_read(cio, 1); /* Stlm */
1016 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1017 SP = (Stlm >> 6) & 0x01;
1018 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1019 for (i = 0; i < tile_tlm; i++) {
1020 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1021 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1025 static void j2k_read_plm(opj_j2k_t *j2k) {
1026 int len, i, Zplm, Nplm, add, packet_len = 0;
1028 opj_cio_t *cio = j2k->cio;
1030 len = cio_read(cio, 2); /* Lplm */
1031 Zplm = cio_read(cio, 1); /* Zplm */
1034 Nplm = cio_read(cio, 4); /* Nplm */
1036 for (i = Nplm; i > 0; i--) {
1037 add = cio_read(cio, 1);
1039 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1040 if ((add & 0x80) == 0) {
1050 static void j2k_read_plt(opj_j2k_t *j2k) {
1051 int len, i, Zplt, packet_len = 0, add;
1053 opj_cio_t *cio = j2k->cio;
1055 len = cio_read(cio, 2); /* Lplt */
1056 Zplt = cio_read(cio, 1); /* Zplt */
1057 for (i = len - 3; i > 0; i--) {
1058 add = cio_read(cio, 1);
1059 packet_len = (packet_len << 7) + add; /* Iplt_i */
1060 if ((add & 0x80) == 0) {
1067 static void j2k_read_ppm(opj_j2k_t *j2k) {
1068 int len, Z_ppm, i, j;
1071 opj_cp_t *cp = j2k->cp;
1072 opj_cio_t *cio = j2k->cio;
1074 len = cio_read(cio, 2);
1077 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1080 if (cp->ppm_previous == 0) {
1081 N_ppm = cio_read(cio, 4); /* N_ppm */
1084 N_ppm = cp->ppm_previous;
1087 if (Z_ppm == 0) { /* First PPM marker */
1088 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1089 cp->ppm_data_first = cp->ppm_data;
1090 cp->ppm_len = N_ppm;
1091 } else { /* NON-first PPM marker */
1092 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1095 /* this memory allocation check could be done even in non-JPWL cases */
1097 if (!cp->ppm_data) {
1098 opj_event_msg(j2k->cinfo, EVT_ERROR,
1099 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1101 if (!JPWL_ASSUME || JPWL_ASSUME)
1107 cp->ppm_data_first = cp->ppm_data;
1108 cp->ppm_len = N_ppm + cp->ppm_store;
1110 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1111 cp->ppm_data[j] = cio_read(cio, 1);
1115 break; /* Case of non-finished packet header in present marker but finished in next one */
1117 cp->ppm_previous = i - 1;
1122 static void j2k_read_ppt(opj_j2k_t *j2k) {
1123 int len, Z_ppt, i, j = 0;
1125 opj_cp_t *cp = j2k->cp;
1126 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1127 opj_cio_t *cio = j2k->cio;
1129 len = cio_read(cio, 2);
1130 Z_ppt = cio_read(cio, 1);
1132 if (Z_ppt == 0) { /* First PPT marker */
1133 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1134 tcp->ppt_data_first = tcp->ppt_data;
1136 tcp->ppt_len = len - 3;
1137 } else { /* NON-first PPT marker */
1138 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1139 tcp->ppt_data_first = tcp->ppt_data;
1140 tcp->ppt_len = len - 3 + tcp->ppt_store;
1143 for (i = len - 3; i > 0; i--) {
1144 tcp->ppt_data[j] = cio_read(cio, 1);
1150 static void j2k_write_tlm(opj_j2k_t *j2k){
1152 opj_cio_t *cio = j2k->cio;
1153 j2k->tlm_start = cio_tell(cio);
1154 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1155 lenp = 4 + (5*j2k->totnum_tp);
1156 cio_write(cio,lenp,2); /* Ltlm */
1157 cio_write(cio, 0,1); /* Ztlm=0*/
1158 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1159 cio_skip(cio,5*j2k->totnum_tp);
1162 static void j2k_write_sot(opj_j2k_t *j2k) {
1165 opj_cio_t *cio = j2k->cio;
1167 j2k->sot_start = cio_tell(cio);
1168 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1169 lenp = cio_tell(cio);
1170 cio_skip(cio, 2); /* Lsot (further) */
1171 cio_write(cio, j2k->curtileno, 2); /* Isot */
1172 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1173 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1174 cio_write(cio, j2k->cur_totnum_tp, 1); /* TNsot */
1175 len = cio_tell(cio) - lenp;
1176 cio_seek(cio, lenp);
1177 cio_write(cio, len, 2); /* Lsot */
1178 cio_seek(cio, lenp + len);
1181 static void j2k_read_sot(opj_j2k_t *j2k) {
1182 int len, tileno, totlen, partno, numparts, i;
1183 opj_tcp_t *tcp = NULL;
1186 opj_cp_t *cp = j2k->cp;
1187 opj_cio_t *cio = j2k->cio;
1189 len = cio_read(cio, 2);
1190 tileno = cio_read(cio, 2);
1193 if (j2k->cp->correct) {
1195 static int backup_tileno = 0;
1197 /* tileno is negative or larger than the number of tiles!!! */
1198 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1199 opj_event_msg(j2k->cinfo, EVT_ERROR,
1200 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1201 tileno, (cp->tw * cp->th));
1204 /* we try to correct */
1205 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
1206 tileno = backup_tileno;
1207 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting tile number to %d\n",
1211 /* keep your private count of tiles */
1214 #endif /* USE_JPWL */
1217 if (cp->tileno_size == 0) {
1218 cp->tileno[cp->tileno_size] = tileno;
1222 while (i < cp->tileno_size && status == 0) {
1223 status = cp->tileno[i] == tileno ? 1 : 0;
1227 cp->tileno[cp->tileno_size] = tileno;
1232 totlen = cio_read(cio, 4);
1235 if (j2k->cp->correct) {
1237 /* totlen is negative or larger than the bytes left!!! */
1238 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1239 opj_event_msg(j2k->cinfo, EVT_ERROR,
1240 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1241 totlen, cio_numbytesleft(cio) + 8);
1244 /* we try to correct */
1245 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
1247 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Psot to %d => "
1248 "assuming it is the last tile\n",
1253 #endif /* USE_JPWL */
1256 totlen = cio_numbytesleft(cio) + 8;
1258 partno = cio_read(cio, 1);
1259 numparts = cio_read(cio, 1);
1261 j2k->curtileno = tileno;
1262 j2k->eot = cio_getbp(cio) - 12 + totlen;
1263 j2k->state = J2K_STATE_TPH;
1264 tcp = &cp->tcps[j2k->curtileno];
1266 if (tcp->first == 1) {
1268 /* Initialization PPT */
1269 opj_tccp_t *tmp = tcp->tccps;
1270 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1272 tcp->ppt_data = NULL;
1273 tcp->ppt_data_first = NULL;
1276 for (i = 0; i < j2k->image->numcomps; i++) {
1277 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1279 cp->tcps[j2k->curtileno].first = 0;
1283 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1286 opj_tcp_t *tcp = NULL;
1287 opj_image_info_t *image_info = NULL;
1289 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1290 opj_cp_t *cp = j2k->cp;
1291 opj_cio_t *cio = j2k->cio;
1293 tcd->cur_tp_num = j2k->cur_tp_num;
1294 tcd->cur_totnum_tp = j2k->cur_totnum_tp;
1296 cio_write(cio, J2K_MS_SOD, 2);
1297 if (j2k->curtileno == 0) {
1298 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1302 image_info = j2k->image_info;
1303 if (image_info && image_info->index_on) {
1304 image_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1308 tcp = &cp->tcps[j2k->curtileno];
1309 for (layno = 0; layno < tcp->numlayers; layno++) {
1310 tcp->rates[layno] -= tcp->rates[layno] ? (j2k->sod_start / (cp->th * cp->tw)) : 0;
1313 image_info->num = 0;
1316 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, image_info);
1318 /* Writing Psot in SOT marker */
1319 totlen = cio_tell(cio) + l - j2k->sot_start;
1320 cio_seek(cio, j2k->sot_start + 6);
1321 cio_write(cio, totlen, 4);
1322 cio_seek(cio, j2k->sot_start + totlen);
1323 /* Writing Ttlm and Ptlm in TLM marker */
1325 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1326 cio_write(cio, j2k->curtileno, 1);
1327 cio_write(cio, totlen, 4);
1329 cio_seek(cio, j2k->sot_start + totlen);
1332 static void j2k_read_sod(opj_j2k_t *j2k) {
1333 int len, truncate = 0, i;
1334 unsigned char *data = NULL, *data_ptr = NULL;
1336 opj_cio_t *cio = j2k->cio;
1337 int curtileno = j2k->curtileno;
1339 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1341 if (len == cio_numbytesleft(cio) + 1) {
1342 truncate = 1; /* Case of a truncate codestream */
1345 data = (unsigned char *) opj_malloc((j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1347 for (i = 0; i < j2k->tile_len[curtileno]; i++) {
1348 data[i] = j2k->tile_data[curtileno][i];
1351 data_ptr = data + j2k->tile_len[curtileno];
1352 for (i = 0; i < len; i++) {
1353 data_ptr[i] = cio_read(cio, 1);
1356 j2k->tile_len[curtileno] += len;
1357 opj_free(j2k->tile_data[curtileno]);
1358 j2k->tile_data[curtileno] = data;
1361 j2k->state = J2K_STATE_TPHSOT;
1363 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1367 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1369 opj_cp_t *cp = j2k->cp;
1370 opj_tcp_t *tcp = &cp->tcps[tileno];
1371 opj_cio_t *cio = j2k->cio;
1372 int numcomps = j2k->image->numcomps;
1374 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1375 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1376 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1377 cio_write(cio, 0, 1); /* Srgn */
1378 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1381 static void j2k_read_rgn(opj_j2k_t *j2k) {
1382 int len, compno, roisty;
1384 opj_cp_t *cp = j2k->cp;
1385 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1386 opj_cio_t *cio = j2k->cio;
1387 int numcomps = j2k->image->numcomps;
1389 len = cio_read(cio, 2); /* Lrgn */
1390 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1391 roisty = cio_read(cio, 1); /* Srgn */
1394 if (j2k->cp->correct) {
1395 /* totlen is negative or larger than the bytes left!!! */
1396 if (compno >= numcomps) {
1397 opj_event_msg(j2k->cinfo, EVT_ERROR,
1398 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1400 if (!JPWL_ASSUME || JPWL_ASSUME)
1404 #endif /* USE_JPWL */
1406 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1409 static void j2k_write_eoc(opj_j2k_t *j2k) {
1410 opj_cio_t *cio = j2k->cio;
1411 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1412 cio_write(cio, J2K_MS_EOC, 2);
1415 static void j2k_read_eoc(opj_j2k_t *j2k) {
1418 #ifndef NO_PACKETS_DECODING
1419 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1420 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1421 for (i = 0; i < j2k->cp->tileno_size; i++) {
1422 tileno = j2k->cp->tileno[i];
1423 tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno);
1424 opj_free(j2k->tile_data[tileno]);
1425 j2k->tile_data[tileno] = NULL;
1427 tcd_free_decode(tcd);
1430 for (i = 0; i < j2k->cp->tileno_size; i++) {
1431 tileno = j2k->cp->tileno[i];
1432 opj_free(j2k->tile_data[tileno]);
1433 j2k->tile_data[tileno] = NULL;
1437 j2k->state = J2K_STATE_MT;
1440 typedef struct opj_dec_mstabent {
1443 /** value of the state when the marker can appear */
1445 /** action linked to the marker */
1446 void (*handler) (opj_j2k_t *j2k);
1447 } opj_dec_mstabent_t;
1449 opj_dec_mstabent_t j2k_dec_mstab[] = {
1450 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1451 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1452 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1453 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1454 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1455 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1456 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1457 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1458 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1459 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1460 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1461 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1462 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1463 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1464 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1465 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1467 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1468 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1471 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1472 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1473 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1474 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1475 #endif /* USE_JPWL */
1477 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1480 static void j2k_read_unk(opj_j2k_t *j2k) {
1481 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1484 if (j2k->cp->correct) {
1486 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1487 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1488 id = cio_read(j2k->cio, 2);
1489 opj_event_msg(j2k->cinfo, EVT_ERROR,
1490 "JPWL: really don't know this marker %x\n",
1493 opj_event_msg(j2k->cinfo, EVT_ERROR,
1494 "- possible synch loss due to uncorrectable channel errors => Exiting\n");
1497 /* OK, activate this at your own risk!!! */
1498 /* we look for the marker at the minimum hamming distance from this */
1499 while (j2k_dec_mstab[m].id) {
1501 /* 1's where they differ */
1502 tmp_id = j2k_dec_mstab[m].id ^ id;
1504 /* compute the hamming distance between our id and the current */
1506 for (i = 0; i < 16; i++) {
1507 if ((tmp_id >> i) & 0x0001) {
1512 /* if current distance is smaller, set the minimum */
1513 if (cur_dist < min_dist) {
1514 min_dist = cur_dist;
1515 min_id = j2k_dec_mstab[m].id;
1518 /* jump to the next marker */
1522 /* do we substitute the marker? */
1523 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1524 opj_event_msg(j2k->cinfo, EVT_ERROR,
1525 "- marker %x is at distance %d from the read %x\n",
1526 min_id, min_dist, id);
1527 opj_event_msg(j2k->cinfo, EVT_ERROR,
1528 "- trying to substitute in place and crossing fingers!\n");
1529 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1530 cio_write(j2k->cio, min_id, 2);
1533 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1538 #endif /* USE_JPWL */
1543 Read the lookup table containing all the marker, status and action
1544 @param id Marker value
1546 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1547 opj_dec_mstabent_t *e;
1548 for (e = j2k_dec_mstab; e->id != 0; e++) {
1556 /* ----------------------------------------------------------------------- */
1557 /* J2K / JPT decoder interface */
1558 /* ----------------------------------------------------------------------- */
1560 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1561 opj_j2k_t *j2k = (opj_j2k_t*)opj_malloc(sizeof(opj_j2k_t));
1564 j2k->default_tcp = (opj_tcp_t*)opj_malloc(sizeof(opj_tcp_t));
1565 if(!j2k->default_tcp) {
1573 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1576 if(j2k->tile_len != NULL) {
1577 opj_free(j2k->tile_len);
1579 if(j2k->tile_data != NULL) {
1580 opj_free(j2k->tile_data);
1582 if(j2k->default_tcp != NULL) {
1583 opj_tcp_t *default_tcp = j2k->default_tcp;
1584 if(default_tcp->ppt_data_first != NULL) {
1585 opj_free(default_tcp->ppt_data_first);
1587 if(j2k->default_tcp->tccps != NULL) {
1588 opj_free(j2k->default_tcp->tccps);
1590 opj_free(j2k->default_tcp);
1592 if(j2k->cp != NULL) {
1593 opj_cp_t *cp = j2k->cp;
1594 if(cp->tcps != NULL) {
1595 for(i = 0; i < cp->tw * cp->th; i++) {
1596 if(cp->tcps[i].ppt_data_first != NULL) {
1597 opj_free(cp->tcps[i].ppt_data_first);
1599 if(cp->tcps[i].tccps != NULL) {
1600 opj_free(cp->tcps[i].tccps);
1605 if(cp->ppm_data_first != NULL) {
1606 opj_free(cp->ppm_data_first);
1608 if(cp->tileno != NULL) {
1609 opj_free(cp->tileno);
1611 if(cp->comment != NULL) {
1612 opj_free(cp->comment);
1621 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1622 if(j2k && parameters) {
1623 /* create and initialize the coding parameters structure */
1624 opj_cp_t *cp = (opj_cp_t*)opj_malloc(sizeof(opj_cp_t));
1625 cp->reduce = parameters->cp_reduce;
1626 cp->layer = parameters->cp_layer;
1627 cp->limit_decoding = parameters->cp_limit_decoding;
1630 cp->correct = parameters->jpwl_correct;
1631 cp->exp_comps = parameters->jpwl_exp_comps;
1632 cp->max_tiles = parameters->jpwl_max_tiles;
1633 #endif /* USE_JPWL */
1636 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1641 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio) {
1642 opj_image_t *image = NULL;
1644 opj_common_ptr cinfo = j2k->cinfo;
1648 /* create an empty image */
1649 image = opj_image_create0();
1652 j2k->state = J2K_STATE_MHSOC;
1655 opj_dec_mstabent_t *e;
1656 int id = cio_read(cio, 2);
1660 /* we try to honor JPWL correction power */
1661 if (j2k->cp->correct) {
1663 int orig_pos = cio_tell(cio);
1666 /* call the corrector */
1667 status = jpwl_correct(j2k);
1669 /* go back to where you were */
1670 cio_seek(cio, orig_pos - 2);
1672 /* re-read the marker */
1673 id = cio_read(cio, 2);
1675 /* check whether it begins with ff */
1676 if (id >> 8 != 0xff) {
1677 opj_event_msg(j2k->cinfo, EVT_ERROR,
1678 "JPWL: possible bad marker %x at %d\n",
1679 id, cio_tell(cio) - 2);
1682 /* we try to correct */
1683 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
1685 cio_seek(cio, cio_tell(cio) - 2);
1686 cio_write(cio, id, 2);
1687 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting marker to %x\n",
1692 #endif /* USE_JPWL */
1694 if (id >> 8 != 0xff) {
1695 opj_image_destroy(image);
1696 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1699 e = j2k_dec_mstab_lookup(id);
1700 // Check if the marker is known
1701 if (!(j2k->state & e->states)) {
1702 opj_image_destroy(image);
1703 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1706 // Check if the decoding is limited to the main header
1707 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1708 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1715 if (j2k->state == J2K_STATE_MT) {
1718 if (j2k->state == J2K_STATE_NEOC) {
1722 if (j2k->state == J2K_STATE_NEOC) {
1726 if (j2k->state != J2K_STATE_MT) {
1727 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1734 * Read a JPT-stream and decode file
1737 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio) {
1738 opj_image_t *image = NULL;
1739 opj_jpt_msg_header_t header;
1742 opj_common_ptr cinfo = j2k->cinfo;
1746 /* create an empty image */
1747 image = opj_image_create0();
1749 j2k->state = J2K_STATE_MHSOC;
1751 /* Initialize the header */
1752 jpt_init_msg_header(&header);
1753 /* Read the first header of the message */
1754 jpt_read_msg_header(cinfo, cio, &header);
1756 position = cio_tell(cio);
1757 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1758 opj_image_destroy(image);
1759 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1764 opj_dec_mstabent_t *e = NULL;
1767 if (!cio_numbytesleft(cio)) {
1771 /* data-bin read -> need to read a new header */
1772 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1773 jpt_read_msg_header(cinfo, cio, &header);
1774 position = cio_tell(cio);
1775 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1776 opj_image_destroy(image);
1777 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1782 id = cio_read(cio, 2);
1783 if (id >> 8 != 0xff) {
1784 opj_image_destroy(image);
1785 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1788 e = j2k_dec_mstab_lookup(id);
1789 if (!(j2k->state & e->states)) {
1790 opj_image_destroy(image);
1791 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1797 if (j2k->state == J2K_STATE_MT) {
1800 if (j2k->state == J2K_STATE_NEOC) {
1804 if (j2k->state == J2K_STATE_NEOC) {
1808 if (j2k->state != J2K_STATE_MT) {
1809 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1815 /* ----------------------------------------------------------------------- */
1816 /* J2K encoder interface */
1817 /* ----------------------------------------------------------------------- */
1819 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1820 opj_j2k_t *j2k = (opj_j2k_t*)opj_malloc(sizeof(opj_j2k_t));
1827 void j2k_destroy_compress(opj_j2k_t *j2k) {
1832 if(j2k->image_info != NULL) {
1833 opj_image_info_t *image_info = j2k->image_info;
1834 if (image_info->index_on && j2k->cp) {
1835 opj_cp_t *cp = j2k->cp;
1836 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1837 opj_tile_info_t *tile_info = &image_info->tile[tileno];
1838 opj_free(tile_info->thresh);
1839 opj_free(tile_info->packet);
1841 opj_free(image_info->tile);
1843 opj_free(image_info);
1845 if(j2k->cp != NULL) {
1846 opj_cp_t *cp = j2k->cp;
1849 opj_free(cp->comment);
1852 opj_free(cp->matrice);
1854 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1855 opj_free(cp->tcps[tileno].tccps);
1864 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
1865 int i, j, tileno, numpocs_tile;
1866 opj_cp_t *cp = NULL;
1868 if(!j2k || !parameters || ! image) {
1872 /* create and initialize the coding parameters structure */
1873 cp = (opj_cp_t*)opj_malloc(sizeof(opj_cp_t));
1875 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
1878 /* set default values for cp */
1883 copy user encoding parameters
1885 cp->cinema = parameters->cp_cinema;
1886 cp->rsiz = parameters->cp_rsiz;
1887 cp->disto_alloc = parameters->cp_disto_alloc;
1888 cp->fixed_alloc = parameters->cp_fixed_alloc;
1889 cp->fixed_quality = parameters->cp_fixed_quality;
1891 /* mod fixed_quality */
1892 if(parameters->cp_matrice) {
1893 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
1894 cp->matrice = (int *) opj_malloc(array_size);
1895 memcpy(cp->matrice, parameters->cp_matrice, array_size);
1898 /* creation of an index file ? */
1899 cp->index_on = parameters->index_on;
1901 j2k->image_info = (opj_image_info_t*)opj_malloc(sizeof(opj_image_info_t));
1905 cp->tdx = parameters->cp_tdx;
1906 cp->tdy = parameters->cp_tdy;
1909 cp->tx0 = parameters->cp_tx0;
1910 cp->ty0 = parameters->cp_ty0;
1912 /* comment string */
1913 if(parameters->cp_comment) {
1914 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
1916 strcpy(cp->comment, parameters->cp_comment);
1921 calculate other encoding parameters
1924 if (parameters->tile_size_on) {
1925 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
1926 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
1928 cp->tdx = image->x1 - cp->tx0;
1929 cp->tdy = image->y1 - cp->ty0;
1932 if(parameters->tp_on){
1933 cp->tp_flag = parameters->tp_flag;
1938 for(i=0;i<image->numcomps ;i++){
1939 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
1945 calculate JPWL encoding parameters
1948 if (parameters->jpwl_epc_on) {
1953 cp->info_on = false; /* no informative technique */
1956 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
1959 cp->hprot_MH = parameters->jpwl_hprot_MH;
1960 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
1961 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
1962 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
1964 /* if tile specs are not specified, copy MH specs */
1965 if (cp->hprot_TPH[0] == -1) {
1966 cp->hprot_TPH_tileno[0] = 0;
1967 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
1969 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
1970 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
1971 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
1972 cp->pprot[i] = parameters->jpwl_pprot[i];
1976 /* set ESD writing */
1977 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
1980 cp->sens_size = parameters->jpwl_sens_size;
1981 cp->sens_addr = parameters->jpwl_sens_addr;
1982 cp->sens_range = parameters->jpwl_sens_range;
1984 cp->sens_MH = parameters->jpwl_sens_MH;
1985 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
1986 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
1987 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
1991 /* always set RED writing to false: we are at the encoder */
1997 #endif /* USE_JPWL */
2000 /* initialize the mutiple tiles */
2001 /* ---------------------------- */
2002 cp->tcps = (opj_tcp_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcp_t));
2004 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2005 opj_tcp_t *tcp = &cp->tcps[tileno];
2006 tcp->numlayers = parameters->tcp_numlayers;
2007 for (j = 0; j < tcp->numlayers; j++) {
2008 if (cp->fixed_quality) { /* add fixed_quality */
2009 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2011 tcp->rates[j] = parameters->tcp_rates[j];
2014 tcp->csty = parameters->csty;
2015 tcp->prg = parameters->prog_order;
2016 tcp->mct = image->numcomps == 3 ? 1 : 0;
2020 if (parameters->numpocs) {
2021 /* initialisation of POC */
2023 for (i = 0; i < parameters->numpocs; i++) {
2024 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2025 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2026 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2027 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2028 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2029 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2030 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2031 tcp_poc->prg = parameters->POC[numpocs_tile].prg;
2032 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2037 tcp->numpocs = numpocs_tile;
2039 tcp->tccps = (opj_tccp_t *) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
2041 for (i = 0; i < image->numcomps; i++) {
2042 opj_tccp_t *tccp = &tcp->tccps[i];
2043 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2044 tccp->numresolutions = parameters->numresolution;
2045 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2046 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2047 tccp->cblksty = parameters->mode;
2048 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2049 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2051 if (i == parameters->roi_compno) {
2052 tccp->roishift = parameters->roi_shift;
2057 if(parameters->cp_cinema)
2059 //Precinct size for lowest frequency subband=128
2062 //Precinct size at all other resolutions = 256
2063 for (j = 1; j < tccp->numresolutions; j++) {
2068 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2070 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2071 if (p < parameters->res_spec) {
2073 if (parameters->prcw_init[p] < 1) {
2076 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2079 if (parameters->prch_init[p] < 1) {
2082 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2086 int res_spec = parameters->res_spec;
2087 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2088 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2090 if (size_prcw < 1) {
2093 tccp->prcw[j] = int_floorlog2(size_prcw);
2096 if (size_prch < 1) {
2099 tccp->prch[j] = int_floorlog2(size_prch);
2103 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2106 for (j = 0; j < tccp->numresolutions; j++) {
2113 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2119 Create an index file
2123 @param index Index filename
2124 @return Returns 1 if successful, returns 0 otherwise
2126 static int j2k_create_index(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_info_t *image_info, char *index) {
2127 int tileno, compno, layno, resno, precno, pack_nb, x, y;
2128 FILE *stream = NULL;
2129 double total_disto = 0;
2131 image_info->codestream_size = cio_tell(cio) + j2k->pos_correction; /* Correction 14/4/03 suite rmq de Patrick */
2135 /* if JPWL is enabled and the name coincides with our own set
2136 then discard the creation of the file: this was just done to
2137 enable indexing, we do not want an index file
2139 if (j2k->cp->epc_on && !strcmp(index, JPWL_PRIVATEINDEX_NAME))
2141 #endif /* USE_JPWL */
2144 stream = fopen(index, "w");
2146 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to open %s for writing\n", index);
2150 fprintf(stream, "%d %d\n", image_info->image_w, image_info->image_h);
2151 fprintf(stream, "%d\n", image_info->prog);
2152 fprintf(stream, "%d %d\n", image_info->tile_x, image_info->tile_y);
2153 fprintf(stream, "%d %d\n", image_info->tw, image_info->th);
2154 fprintf(stream, "%d\n", image_info->comp);
2155 fprintf(stream, "%d\n", image_info->layer);
2156 fprintf(stream, "%d\n", image_info->decomposition);
2158 for (resno = image_info->decomposition; resno >= 0; resno--) {
2159 fprintf(stream, "[%d,%d] ",
2160 (1 << image_info->tile[0].pdx[resno]), (1 << image_info->tile[0].pdx[resno])); /* based on tile 0 */
2162 fprintf(stream, "\n");
2163 fprintf(stream, "%d\n", image_info->main_head_end);
2164 fprintf(stream, "%d\n", image_info->codestream_size);
2166 for (tileno = 0; tileno < image_info->tw * image_info->th; tileno++) {
2167 fprintf(stream, "%4d %9d %9d %9d %9e %9d %9e\n",
2168 image_info->tile[tileno].num_tile,
2169 image_info->tile[tileno].start_pos,
2170 image_info->tile[tileno].end_header,
2171 image_info->tile[tileno].end_pos,
2172 image_info->tile[tileno].distotile, image_info->tile[tileno].nbpix,
2173 image_info->tile[tileno].distotile / image_info->tile[tileno].nbpix);
2176 for (tileno = 0; tileno < image_info->tw * image_info->th; tileno++) {
2177 int start_pos, end_pos;
2182 fprintf(stream, "pkno tileno layerno resno compno precno start_pos end_pos deltaSE \n");
2185 if (image_info->prog == LRCP) { /* LRCP */
2187 fprintf(stream, "pack_nb tileno layno resno compno precno start_pos end_pos disto");
2189 for (layno = 0; layno < image_info->layer; layno++) {
2190 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2191 for (compno = 0; compno < image_info->comp; compno++) {
2192 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2193 for (precno = 0; precno < prec_max; precno++) {
2194 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2195 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2196 disto = image_info->tile[tileno].packet[pack_nb].disto;
2197 fprintf(stream, "%4d %6d %7d %5d %6d %6d %9d %9d %8e\n",
2198 pack_nb, tileno, layno, resno, compno, precno, start_pos, end_pos, disto);
2199 total_disto += disto;
2206 else if (image_info->prog == RLCP) { /* RLCP */
2208 fprintf(stream, "pack_nb tileno resno layno compno precno start_pos end_pos disto");
2210 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2211 for (layno = 0; layno < image_info->layer; layno++) {
2212 for (compno = 0; compno < image_info->comp; compno++) {
2213 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2214 for (precno = 0; precno < prec_max; precno++) {
2215 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2216 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2217 disto = image_info->tile[tileno].packet[pack_nb].disto;
2218 fprintf(stream, "%4d %6d %5d %7d %6d %6d %9d %9d %8e\n",
2219 pack_nb, tileno, resno, layno, compno, precno, start_pos, end_pos, disto);
2220 total_disto += disto;
2227 else if (image_info->prog == RPCL) { /* RPCL */
2229 fprintf(stream, "\npack_nb tileno resno precno compno layno start_pos end_pos disto\n");
2231 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2232 /* I suppose components have same XRsiz, YRsiz */
2233 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2234 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2235 int x1 = x0 + image_info->tile_x;
2236 int y1 = y0 + image_info->tile_y;
2237 for(y = y0; y < y1; y++) {
2238 for(x = x0; x < x1; x++) {
2239 for (compno = 0; compno < image_info->comp; compno++) {
2240 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2241 for (precno = 0; precno < prec_max; precno++) {
2242 int pcnx = image_info->tile[tileno].pw[resno];
2243 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2244 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2245 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2246 int precno_y = (int) floor( (float)precno/(float)pcnx );
2247 if (precno_y*pcy == y ) {
2248 if (precno_x*pcx == x ) {
2249 for (layno = 0; layno < image_info->layer; layno++) {
2250 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2251 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2252 disto = image_info->tile[tileno].packet[pack_nb].disto;
2253 fprintf(stream, "%4d %6d %5d %6d %6d %7d %9d %9d %8e\n",
2254 pack_nb, tileno, resno, precno, compno, layno, start_pos, end_pos, disto);
2255 total_disto += disto;
2266 else if (image_info->prog == PCRL) { /* PCRL */
2267 /* I suppose components have same XRsiz, YRsiz */
2268 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2269 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2270 int x1 = x0 + image_info->tile_x;
2271 int y1 = y0 + image_info->tile_y;
2273 fprintf(stream, "\npack_nb tileno precno compno resno layno start_pos end_pos disto\n");
2275 for(y = y0; y < y1; y++) {
2276 for(x = x0; x < x1; x++) {
2277 for (compno = 0; compno < image_info->comp; compno++) {
2278 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2279 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2280 for (precno = 0; precno < prec_max; precno++) {
2281 int pcnx = image_info->tile[tileno].pw[resno];
2282 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2283 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2284 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2285 int precno_y = (int) floor( (float)precno/(float)pcnx );
2286 if (precno_y*pcy == y ) {
2287 if (precno_x*pcx == x ) {
2288 for (layno = 0; layno < image_info->layer; layno++) {
2289 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2290 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2291 disto = image_info->tile[tileno].packet[pack_nb].disto;
2292 fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %8e\n",
2293 pack_nb, tileno, precno, compno, resno, layno, start_pos, end_pos, disto);
2294 total_disto += disto;
2307 fprintf(stream, "\npack_nb tileno compno precno resno layno start_pos end_pos disto\n");
2309 for (compno = 0; compno < image_info->comp; compno++) {
2310 /* I suppose components have same XRsiz, YRsiz */
2311 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2312 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2313 int x1 = x0 + image_info->tile_x;
2314 int y1 = y0 + image_info->tile_y;
2315 for(y = y0; y < y1; y++) {
2316 for(x = x0; x < x1; x++) {
2317 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2318 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2319 for (precno = 0; precno < prec_max; precno++) {
2320 int pcnx = image_info->tile[tileno].pw[resno];
2321 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2322 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2323 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2324 int precno_y = (int) floor( (float)precno/(float)pcnx );
2325 if (precno_y*pcy == y ) {
2326 if (precno_x*pcx == x ) {
2327 for (layno = 0; layno < image_info->layer; layno++) {
2328 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2329 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2330 disto = image_info->tile[tileno].packet[pack_nb].disto;
2331 fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %8e\n",
2332 pack_nb, tileno, compno, precno, resno, layno, start_pos, end_pos, disto);
2333 total_disto += disto;
2346 fprintf(stream, "%8e\n", image_info->D_max); /* SE max */
2347 fprintf(stream, "%.8e\n", total_disto); /* SE totale */
2353 bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index) {
2355 opj_image_info_t *image_info = NULL;
2356 opj_cp_t *cp = NULL;
2358 opj_tcd_t *tcd = NULL; /* TCD component */
2365 /* j2k_dump_cp(stdout, image, cp); */
2368 image_info = j2k->image_info;
2369 if (image_info && cp->index_on) {
2370 image_info->index_on = cp->index_on;
2371 image_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2372 image_info->image_w = image->x1 - image->x0;
2373 image_info->image_h = image->y1 - image->y0;
2374 image_info->prog = (&cp->tcps[0])->prg;
2375 image_info->tw = cp->tw;
2376 image_info->th = cp->th;
2377 image_info->tile_x = cp->tdx; /* new version parser */
2378 image_info->tile_y = cp->tdy; /* new version parser */
2379 image_info->tile_Ox = cp->tx0; /* new version parser */
2380 image_info->tile_Oy = cp->ty0; /* new version parser */
2381 image_info->comp = image->numcomps;
2382 image_info->layer = (&cp->tcps[0])->numlayers;
2383 image_info->decomposition = (&cp->tcps[0])->tccps->numresolutions - 1;
2384 image_info->D_max = 0; /* ADD Marcela */
2392 /** THIS CODE IS NOT USED */
2393 //if(image_info && image_info->index_on && cp->epc_on)
2394 // j2k_write_epc(j2k);
2395 #endif /* USE_JPWL */
2401 for (compno = 1; compno < image->numcomps; compno++) {
2402 j2k_write_coc(j2k, compno);
2403 j2k_write_qcc(j2k, compno);
2407 for (compno = 0; compno < image->numcomps; compno++) {
2408 opj_tcp_t *tcp = &cp->tcps[0];
2409 if (tcp->tccps[compno].roishift)
2410 j2k_write_rgn(j2k, compno, 0);
2412 if (cp->comment != NULL) {
2416 if(image_info && image_info->index_on) {
2417 image_info->main_head_end = cio_tell(cio) - 1;
2423 j2k->totnum_tp = j2k_generate_tlm(cp,image->numcomps,image);
2426 /**** Main Header ENDS here ***/
2428 /* create the tile encoder */
2429 tcd = tcd_create(j2k->cinfo);
2431 /* encode each tile */
2433 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2437 opj_tcp_t *tcp = &cp->tcps[tileno];
2438 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2440 j2k->curtileno = tileno;
2442 /* initialisation before tile encoding */
2444 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2446 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2450 if(image_info && image_info->index_on) {
2451 image_info->tile[j2k->curtileno].num_tile = j2k->curtileno;
2452 image_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2456 for(pino = 0; pino <= tcp->numpocs; pino++) {
2458 opj_pi_iterator_t *pi = NULL;
2460 tcd->pi = pi_initialise_encode(image, cp, tileno,pino);
2463 /*Get number of tile parts*/
2464 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2465 tcd->tp_pos = cp->tp_pos;
2467 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2468 j2k->cur_tp_num = tilepartno;
2469 j2k->cur_totnum_tp = tot_num_tp;
2472 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2473 for (compno = 1; compno < image->numcomps; compno++) {
2474 j2k_write_coc(j2k, compno);
2475 j2k_write_qcc(j2k, compno);
2477 if (cp->tcps[tileno].numpocs) {
2482 j2k_write_sod(j2k, tcd);
2484 pi_destroy(pi, cp, tileno);
2487 if(image_info && image_info->index_on) {
2488 image_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2494 if (tile->PPT) { // BAD PPT !!!
2497 PPT_file=fopen("PPT","rb");
2498 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2499 for (i=0;i<tile->len_ppt;i++) {
2501 fread(&elmt, 1, 1, PPT_file);
2502 fwrite(&elmt,1,1,f);
2511 /* destroy the tile encoder */
2512 tcd_free_encode(tcd);
2517 /* Creation of the index file */
2518 if(image_info && image_info->index_on) {
2519 if(!j2k_create_index(j2k, cio, image_info, index)) {
2520 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to create index file %s\n", index);
2528 preparation of JPWL marker segments: can be finalized only when the whole
2531 if(image_info && image_info->index_on && cp->epc_on) {
2533 /* let's begin creating a marker list, according to user wishes */
2534 jpwl_prepare_marks(j2k, cio, image);
2536 /* now we dump the JPWL markers on the codestream */
2537 jpwl_dump_marks(j2k, cio, image);
2539 /* do not know exactly what is this for,
2540 but it gets called during index creation */
2541 j2k->pos_correction = 0;
2543 /* Re-creation of the index file, with updated info */
2544 if(image_info && image_info->index_on) {
2545 if(!j2k_create_index(j2k, cio, image_info, index)) {
2546 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to re-create index file %s\n", index);
2551 /* now we finalize the marker contents */
2552 /*jpwl_finalize_marks(j2k, cio, image);*/
2555 #endif /* USE_JPWL */