corrade-vassal – Blame information for rev 1

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1 vero 1 /*
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
9 * Copyright (c) 2010-2011, Kaori Hagihara
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33  
34 #include "opj_includes.h"
35  
36 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
37 /*@{*/
38  
39 /** @name Local static functions */
40 /*@{*/
41  
42 /**
43 Write the SOC marker (Start Of Codestream)
44 @param j2k J2K handle
45 */
46 static void j2k_write_soc(opj_j2k_t *j2k);
47 /**
48 Read the SOC marker (Start of Codestream)
49 @param j2k J2K handle
50 */
51 static void j2k_read_soc(opj_j2k_t *j2k);
52 /**
53 Write the SIZ marker (image and tile size)
54 @param j2k J2K handle
55 */
56 static void j2k_write_siz(opj_j2k_t *j2k);
57 /**
58 Read the SIZ marker (image and tile size)
59 @param j2k J2K handle
60 */
61 static void j2k_read_siz(opj_j2k_t *j2k);
62 /**
63 Write the COM marker (comment)
64 @param j2k J2K handle
65 */
66 static void j2k_write_com(opj_j2k_t *j2k);
67 /**
68 Read the COM marker (comment)
69 @param j2k J2K handle
70 */
71 static void j2k_read_com(opj_j2k_t *j2k);
72 /**
73 Write the value concerning the specified component in the marker COD and COC
74 @param j2k J2K handle
75 @param compno Number of the component concerned by the information written
76 */
77 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
78 /**
79 Read the value concerning the specified component in the marker COD and COC
80 @param j2k J2K handle
81 @param compno Number of the component concerned by the information read
82 */
83 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
84 /**
85 Write the COD marker (coding style default)
86 @param j2k J2K handle
87 */
88 static void j2k_write_cod(opj_j2k_t *j2k);
89 /**
90 Read the COD marker (coding style default)
91 @param j2k J2K handle
92 */
93 static void j2k_read_cod(opj_j2k_t *j2k);
94 /**
95 Write the COC marker (coding style component)
96 @param j2k J2K handle
97 @param compno Number of the component concerned by the information written
98 */
99 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
100 /**
101 Read the COC marker (coding style component)
102 @param j2k J2K handle
103 */
104 static void j2k_read_coc(opj_j2k_t *j2k);
105 /**
106 Write the value concerning the specified component in the marker QCD and QCC
107 @param j2k J2K handle
108 @param compno Number of the component concerned by the information written
109 */
110 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
111 /**
112 Read the value concerning the specified component in the marker QCD and QCC
113 @param j2k J2K handle
114 @param compno Number of the component concern by the information read
115 @param len Length of the information in the QCX part of the marker QCD/QCC
116 */
117 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
118 /**
119 Write the QCD marker (quantization default)
120 @param j2k J2K handle
121 */
122 static void j2k_write_qcd(opj_j2k_t *j2k);
123 /**
124 Read the QCD marker (quantization default)
125 @param j2k J2K handle
126 */
127 static void j2k_read_qcd(opj_j2k_t *j2k);
128 /**
129 Write the QCC marker (quantization component)
130 @param j2k J2K handle
131 @param compno Number of the component concerned by the information written
132 */
133 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
134 /**
135 Read the QCC marker (quantization component)
136 @param j2k J2K handle
137 */
138 static void j2k_read_qcc(opj_j2k_t *j2k);
139 /**
140 Write the POC marker (progression order change)
141 @param j2k J2K handle
142 */
143 static void j2k_write_poc(opj_j2k_t *j2k);
144 /**
145 Read the POC marker (progression order change)
146 @param j2k J2K handle
147 */
148 static void j2k_read_poc(opj_j2k_t *j2k);
149 /**
150 Read the CRG marker (component registration)
151 @param j2k J2K handle
152 */
153 static void j2k_read_crg(opj_j2k_t *j2k);
154 /**
155 Read the TLM marker (tile-part lengths)
156 @param j2k J2K handle
157 */
158 static void j2k_read_tlm(opj_j2k_t *j2k);
159 /**
160 Read the PLM marker (packet length, main header)
161 @param j2k J2K handle
162 */
163 static void j2k_read_plm(opj_j2k_t *j2k);
164 /**
165 Read the PLT marker (packet length, tile-part header)
166 @param j2k J2K handle
167 */
168 static void j2k_read_plt(opj_j2k_t *j2k);
169 /**
170 Read the PPM marker (packet packet headers, main header)
171 @param j2k J2K handle
172 */
173 static void j2k_read_ppm(opj_j2k_t *j2k);
174 /**
175 Read the PPT marker (packet packet headers, tile-part header)
176 @param j2k J2K handle
177 */
178 static void j2k_read_ppt(opj_j2k_t *j2k);
179 /**
180 Write the TLM marker (Mainheader)
181 @param j2k J2K handle
182 */
183 static void j2k_write_tlm(opj_j2k_t *j2k);
184 /**
185 Write the SOT marker (start of tile-part)
186 @param j2k J2K handle
187 */
188 static void j2k_write_sot(opj_j2k_t *j2k);
189 /**
190 Read the SOT marker (start of tile-part)
191 @param j2k J2K handle
192 */
193 static void j2k_read_sot(opj_j2k_t *j2k);
194 /**
195 Write the SOD marker (start of data)
196 @param j2k J2K handle
197 @param tile_coder Pointer to a TCD handle
198 */
199 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
200 /**
201 Read the SOD marker (start of data)
202 @param j2k J2K handle
203 */
204 static void j2k_read_sod(opj_j2k_t *j2k);
205 /**
206 Write the RGN marker (region-of-interest)
207 @param j2k J2K handle
208 @param compno Number of the component concerned by the information written
209 @param tileno Number of the tile concerned by the information written
210 */
211 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
212 /**
213 Read the RGN marker (region-of-interest)
214 @param j2k J2K handle
215 */
216 static void j2k_read_rgn(opj_j2k_t *j2k);
217 /**
218 Write the EOC marker (end of codestream)
219 @param j2k J2K handle
220 */
221 static void j2k_write_eoc(opj_j2k_t *j2k);
222 /**
223 Read the EOC marker (end of codestream)
224 @param j2k J2K handle
225 */
226 static void j2k_read_eoc(opj_j2k_t *j2k);
227 /**
228 Read an unknown marker
229 @param j2k J2K handle
230 */
231 static void j2k_read_unk(opj_j2k_t *j2k);
232 /**
233 Add main header marker information
234 @param cstr_info Codestream information structure
235 @param type marker type
236 @param pos byte offset of marker segment
237 @param len length of marker segment
238 */
239 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
240 /**
241 Add tile header marker information
242 @param tileno tile index number
243 @param cstr_info Codestream information structure
244 @param type marker type
245 @param pos byte offset of marker segment
246 @param len length of marker segment
247 */
248 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
249  
250 /*@}*/
251  
252 /*@}*/
253  
254 /* ----------------------------------------------------------------------- */
255 typedef struct j2k_prog_order{
256 OPJ_PROG_ORDER enum_prog;
257 char str_prog[5];
258 }j2k_prog_order_t;
259  
260 j2k_prog_order_t j2k_prog_order_list[] = {
261 {CPRL, "CPRL"},
262 {LRCP, "LRCP"},
263 {PCRL, "PCRL"},
264 {RLCP, "RLCP"},
265 {RPCL, "RPCL"},
266 {(OPJ_PROG_ORDER)-1, ""}
267 };
268  
269 char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
270 j2k_prog_order_t *po;
271 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
272 if(po->enum_prog == prg_order){
273 break;
274 }
275 }
276 return po->str_prog;
277 }
278  
279 /* ----------------------------------------------------------------------- */
280 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
281 char *prog;
282 int i;
283 int tpnum=1,tpend=0;
284 opj_tcp_t *tcp = &cp->tcps[tileno];
285 prog = j2k_convert_progression_order(tcp->prg);
286  
287 if(cp->tp_on == 1){
288 for(i=0;i<4;i++){
289 if(tpend!=1){
290 if( cp->tp_flag == prog[i] ){
291 tpend=1;cp->tp_pos=i;
292 }
293 switch(prog[i]){
294 case 'C':
295 tpnum= tpnum * tcp->pocs[pino].compE;
296 break;
297 case 'R':
298 tpnum= tpnum * tcp->pocs[pino].resE;
299 break;
300 case 'P':
301 tpnum= tpnum * tcp->pocs[pino].prcE;
302 break;
303 case 'L':
304 tpnum= tpnum * tcp->pocs[pino].layE;
305 break;
306 }
307 }
308 }
309 }else{
310 tpnum=1;
311 }
312 return tpnum;
313 }
314  
315 /** mem allocation for TLM marker*/
316 int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
317 int pino,tileno,totnum_tp=0;
318  
319 OPJ_ARG_NOT_USED(img_numcomp);
320  
321 j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
322 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
323 int cur_totnum_tp = 0;
324 opj_tcp_t *tcp = &cp->tcps[tileno];
325 for(pino = 0; pino <= tcp->numpocs; pino++) {
326 int tp_num=0;
327 opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
328 if(!pi) { return -1;}
329 tp_num = j2k_get_num_tp(cp,pino,tileno);
330 totnum_tp = totnum_tp + tp_num;
331 cur_totnum_tp = cur_totnum_tp + tp_num;
332 pi_destroy(pi, cp, tileno);
333 }
334 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
335 /* INDEX >> */
336 if (j2k->cstr_info) {
337 j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp;
338 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
339 }
340 /* << INDEX */
341 }
342 return totnum_tp;
343 }
344  
345 static void j2k_write_soc(opj_j2k_t *j2k) {
346 opj_cio_t *cio = j2k->cio;
347 cio_write(cio, J2K_MS_SOC, 2);
348  
349 if(j2k->cstr_info)
350 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0);
351  
352 /* UniPG>> */
353 #ifdef USE_JPWL
354  
355 /* update markers struct */
356 j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
357 #endif /* USE_JPWL */
358 /* <<UniPG */
359 }
360  
361 static void j2k_read_soc(opj_j2k_t *j2k) {
362 j2k->state = J2K_STATE_MHSIZ;
363 /* Index */
364 if (j2k->cstr_info) {
365 j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
366 j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
367 }
368 }
369  
370 static void j2k_write_siz(opj_j2k_t *j2k) {
371 int i;
372 int lenp, len;
373  
374 opj_cio_t *cio = j2k->cio;
375 opj_image_t *image = j2k->image;
376 opj_cp_t *cp = j2k->cp;
377  
378 cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
379 lenp = cio_tell(cio);
380 cio_skip(cio, 2);
381 cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */
382 cio_write(cio, image->x1, 4); /* Xsiz */
383 cio_write(cio, image->y1, 4); /* Ysiz */
384 cio_write(cio, image->x0, 4); /* X0siz */
385 cio_write(cio, image->y0, 4); /* Y0siz */
386 cio_write(cio, cp->tdx, 4); /* XTsiz */
387 cio_write(cio, cp->tdy, 4); /* YTsiz */
388 cio_write(cio, cp->tx0, 4); /* XT0siz */
389 cio_write(cio, cp->ty0, 4); /* YT0siz */
390 cio_write(cio, image->numcomps, 2); /* Csiz */
391 for (i = 0; i < image->numcomps; i++) {
392 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */
393 cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */
394 cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */
395 }
396 len = cio_tell(cio) - lenp;
397 cio_seek(cio, lenp);
398 cio_write(cio, len, 2); /* Lsiz */
399 cio_seek(cio, lenp + len);
400  
401 if(j2k->cstr_info)
402 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
403 }
404  
405 static void j2k_read_siz(opj_j2k_t *j2k) {
406 int len, i;
407  
408 opj_cio_t *cio = j2k->cio;
409 opj_image_t *image = j2k->image;
410 opj_cp_t *cp = j2k->cp;
411  
412 len = cio_read(cio, 2); /* Lsiz */
413 cio_read(cio, 2); /* Rsiz (capabilities) */
414 image->x1 = cio_read(cio, 4); /* Xsiz */
415 image->y1 = cio_read(cio, 4); /* Ysiz */
416 image->x0 = cio_read(cio, 4); /* X0siz */
417 image->y0 = cio_read(cio, 4); /* Y0siz */
418 cp->tdx = cio_read(cio, 4); /* XTsiz */
419 cp->tdy = cio_read(cio, 4); /* YTsiz */
420 cp->tx0 = cio_read(cio, 4); /* XT0siz */
421 cp->ty0 = cio_read(cio, 4); /* YT0siz */
422  
423 if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
424 opj_event_msg(j2k->cinfo, EVT_ERROR,
425 "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
426 image->x0,image->x1,image->y0,image->y1);
427 return;
428 }
429  
430 image->numcomps = cio_read(cio, 2); /* Csiz */
431  
432 #ifdef USE_JPWL
433 if (j2k->cp->correct) {
434 /* if JPWL is on, we check whether TX errors have damaged
435 too much the SIZ parameters */
436 if (!(image->x1 * image->y1)) {
437 opj_event_msg(j2k->cinfo, EVT_ERROR,
438 "JPWL: bad image size (%d x %d)\n",
439 image->x1, image->y1);
440 if (!JPWL_ASSUME || JPWL_ASSUME) {
441 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
442 return;
443 }
444 }
445 if (image->numcomps != ((len - 38) / 3)) {
446 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
447 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
448 image->numcomps, ((len - 38) / 3));
449 if (!JPWL_ASSUME) {
450 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
451 return;
452 }
453 /* we try to correct */
454 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
455 if (image->numcomps < ((len - 38) / 3)) {
456 len = 38 + 3 * image->numcomps;
457 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
458 len);
459 } else {
460 image->numcomps = ((len - 38) / 3);
461 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
462 image->numcomps);
463 }
464 }
465  
466 /* update components number in the jpwl_exp_comps filed */
467 cp->exp_comps = image->numcomps;
468 }
469 #endif /* USE_JPWL */
470  
471 image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
472 for (i = 0; i < image->numcomps; i++) {
473 int tmp, w, h;
474 tmp = cio_read(cio, 1); /* Ssiz_i */
475 image->comps[i].prec = (tmp & 0x7f) + 1;
476 image->comps[i].sgnd = tmp >> 7;
477 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
478 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
479  
480 #ifdef USE_JPWL
481 if (j2k->cp->correct) {
482 /* if JPWL is on, we check whether TX errors have damaged
483 too much the SIZ parameters, again */
484 if (!(image->comps[i].dx * image->comps[i].dy)) {
485 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
486 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
487 i, i, image->comps[i].dx, image->comps[i].dy);
488 if (!JPWL_ASSUME) {
489 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
490 return;
491 }
492 /* we try to correct */
493 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
494 if (!image->comps[i].dx) {
495 image->comps[i].dx = 1;
496 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
497 i, image->comps[i].dx);
498 }
499 if (!image->comps[i].dy) {
500 image->comps[i].dy = 1;
501 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
502 i, image->comps[i].dy);
503 }
504 }
505  
506 }
507 #endif /* USE_JPWL */
508  
509 /* TODO: unused ? */
510 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
511 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
512  
513 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
514 image->comps[i].factor = cp->reduce; /* reducing factor per component */
515 }
516  
517 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
518 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
519  
520 #ifdef USE_JPWL
521 if (j2k->cp->correct) {
522 /* if JPWL is on, we check whether TX errors have damaged
523 too much the SIZ parameters */
524 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
525 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
526 "JPWL: bad number of tiles (%d x %d)\n",
527 cp->tw, cp->th);
528 if (!JPWL_ASSUME) {
529 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
530 return;
531 }
532 /* we try to correct */
533 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
534 if (cp->tw < 1) {
535 cp->tw= 1;
536 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
537 cp->tw);
538 }
539 if (cp->tw > cp->max_tiles) {
540 cp->tw= 1;
541 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
542 "- setting %d tiles in x => HYPOTHESIS!!!\n",
543 cp->max_tiles, cp->tw);
544 }
545 if (cp->th < 1) {
546 cp->th= 1;
547 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
548 cp->th);
549 }
550 if (cp->th > cp->max_tiles) {
551 cp->th= 1;
552 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
553 "- setting %d tiles in y => HYPOTHESIS!!!\n",
554 cp->max_tiles, cp->th);
555 }
556 }
557 }
558 #endif /* USE_JPWL */
559  
560 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
561 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
562 cp->tileno_size = 0;
563  
564 #ifdef USE_JPWL
565 if (j2k->cp->correct) {
566 if (!cp->tcps) {
567 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
568 "JPWL: could not alloc tcps field of cp\n");
569 if (!JPWL_ASSUME || JPWL_ASSUME) {
570 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
571 return;
572 }
573 }
574 }
575 #endif /* USE_JPWL */
576  
577 for (i = 0; i < cp->tw * cp->th; i++) {
578 cp->tcps[i].POC = 0;
579 cp->tcps[i].numpocs = 0;
580 cp->tcps[i].first = 1;
581 }
582  
583 /* Initialization for PPM marker */
584 cp->ppm = 0;
585 cp->ppm_data = NULL;
586 cp->ppm_data_first = NULL;
587 cp->ppm_previous = 0;
588 cp->ppm_store = 0;
589  
590 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
591 for (i = 0; i < cp->tw * cp->th; i++) {
592 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
593 }
594 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
595 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
596 j2k->state = J2K_STATE_MH;
597  
598 /* Index */
599 if (j2k->cstr_info) {
600 opj_codestream_info_t *cstr_info = j2k->cstr_info;
601 cstr_info->image_w = image->x1 - image->x0;
602 cstr_info->image_h = image->y1 - image->y0;
603 cstr_info->numcomps = image->numcomps;
604 cstr_info->tw = cp->tw;
605 cstr_info->th = cp->th;
606 cstr_info->tile_x = cp->tdx;
607 cstr_info->tile_y = cp->tdy;
608 cstr_info->tile_Ox = cp->tx0;
609 cstr_info->tile_Oy = cp->ty0;
610 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
611 }
612 }
613  
614 static void j2k_write_com(opj_j2k_t *j2k) {
615 unsigned int i;
616 int lenp, len;
617  
618 if(j2k->cp->comment) {
619 opj_cio_t *cio = j2k->cio;
620 char *comment = j2k->cp->comment;
621  
622 cio_write(cio, J2K_MS_COM, 2);
623 lenp = cio_tell(cio);
624 cio_skip(cio, 2);
625 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
626 for (i = 0; i < strlen(comment); i++) {
627 cio_write(cio, comment[i], 1);
628 }
629 len = cio_tell(cio) - lenp;
630 cio_seek(cio, lenp);
631 cio_write(cio, len, 2);
632 cio_seek(cio, lenp + len);
633  
634  
635 if(j2k->cstr_info)
636 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
637  
638 }
639 }
640  
641 static void j2k_read_com(opj_j2k_t *j2k) {
642 int len;
643  
644 opj_cio_t *cio = j2k->cio;
645  
646 len = cio_read(cio, 2);
647 cio_skip(cio, len - 2);
648 }
649  
650 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
651 int i;
652  
653 opj_cp_t *cp = j2k->cp;
654 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
655 opj_tccp_t *tccp = &tcp->tccps[compno];
656 opj_cio_t *cio = j2k->cio;
657  
658 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
659 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
660 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
661 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
662 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
663  
664 if (tccp->csty & J2K_CCP_CSTY_PRT) {
665 for (i = 0; i < tccp->numresolutions; i++) {
666 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
667 }
668 }
669 }
670  
671 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
672 int i;
673  
674 opj_cp_t *cp = j2k->cp;
675 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
676 opj_tccp_t *tccp = &tcp->tccps[compno];
677 opj_cio_t *cio = j2k->cio;
678  
679 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
680  
681 /* If user wants to remove more resolutions than the codestream contains, return error*/
682 if (cp->reduce >= tccp->numresolutions) {
683 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
684 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
685 j2k->state |= J2K_STATE_ERR;
686 }
687  
688 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
689 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
690 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
691 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
692 if (tccp->csty & J2K_CP_CSTY_PRT) {
693 for (i = 0; i < tccp->numresolutions; i++) {
694 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
695 tccp->prcw[i] = tmp & 0xf;
696 tccp->prch[i] = tmp >> 4;
697 }
698 }
699  
700 /* INDEX >> */
701 if(j2k->cstr_info && compno == 0) {
702 for (i = 0; i < tccp->numresolutions; i++) {
703 if (tccp->csty & J2K_CP_CSTY_PRT) {
704 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
705 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
706 }
707 else {
708 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
709 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
710 }
711 }
712 }
713 /* << INDEX */
714 }
715  
716 static void j2k_write_cod(opj_j2k_t *j2k) {
717 opj_cp_t *cp = NULL;
718 opj_tcp_t *tcp = NULL;
719 int lenp, len;
720  
721 opj_cio_t *cio = j2k->cio;
722  
723 cio_write(cio, J2K_MS_COD, 2); /* COD */
724  
725 lenp = cio_tell(cio);
726 cio_skip(cio, 2);
727  
728 cp = j2k->cp;
729 tcp = &cp->tcps[j2k->curtileno];
730  
731 cio_write(cio, tcp->csty, 1); /* Scod */
732 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
733 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
734 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
735  
736 j2k_write_cox(j2k, 0);
737 len = cio_tell(cio) - lenp;
738 cio_seek(cio, lenp);
739 cio_write(cio, len, 2); /* Lcod */
740 cio_seek(cio, lenp + len);
741  
742 if(j2k->cstr_info)
743 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
744  
745 }
746  
747 static void j2k_read_cod(opj_j2k_t *j2k) {
748 int len, i, pos;
749  
750 opj_cio_t *cio = j2k->cio;
751 opj_cp_t *cp = j2k->cp;
752 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
753 opj_image_t *image = j2k->image;
754  
755 len = cio_read(cio, 2); /* Lcod */
756 tcp->csty = cio_read(cio, 1); /* Scod */
757 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
758 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
759 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
760  
761 pos = cio_tell(cio);
762 for (i = 0; i < image->numcomps; i++) {
763 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
764 cio_seek(cio, pos);
765 j2k_read_cox(j2k, i);
766 }
767  
768 /* Index */
769 if (j2k->cstr_info) {
770 opj_codestream_info_t *cstr_info = j2k->cstr_info;
771 cstr_info->prog = tcp->prg;
772 cstr_info->numlayers = tcp->numlayers;
773 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
774 for (i = 0; i < image->numcomps; i++) {
775 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
776 }
777 }
778 }
779  
780 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
781 int lenp, len;
782  
783 opj_cp_t *cp = j2k->cp;
784 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
785 opj_image_t *image = j2k->image;
786 opj_cio_t *cio = j2k->cio;
787  
788 cio_write(cio, J2K_MS_COC, 2); /* COC */
789 lenp = cio_tell(cio);
790 cio_skip(cio, 2);
791 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
792 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
793 j2k_write_cox(j2k, compno);
794 len = cio_tell(cio) - lenp;
795 cio_seek(cio, lenp);
796 cio_write(cio, len, 2); /* Lcoc */
797 cio_seek(cio, lenp + len);
798 }
799  
800 static void j2k_read_coc(opj_j2k_t *j2k) {
801 int len, compno;
802  
803 opj_cp_t *cp = j2k->cp;
804 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
805 opj_image_t *image = j2k->image;
806 opj_cio_t *cio = j2k->cio;
807  
808 len = cio_read(cio, 2); /* Lcoc */
809 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
810 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
811 j2k_read_cox(j2k, compno);
812 }
813  
814 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
815 int bandno, numbands;
816 int expn, mant;
817  
818 opj_cp_t *cp = j2k->cp;
819 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
820 opj_tccp_t *tccp = &tcp->tccps[compno];
821 opj_cio_t *cio = j2k->cio;
822  
823 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
824 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
825  
826 for (bandno = 0; bandno < numbands; bandno++) {
827 expn = tccp->stepsizes[bandno].expn;
828 mant = tccp->stepsizes[bandno].mant;
829  
830 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
831 cio_write(cio, expn << 3, 1); /* SPqcx_i */
832 } else {
833 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
834 }
835 }
836 }
837  
838 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
839 int tmp;
840 int bandno, numbands;
841  
842 opj_cp_t *cp = j2k->cp;
843 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
844 opj_tccp_t *tccp = &tcp->tccps[compno];
845 opj_cio_t *cio = j2k->cio;
846  
847 tmp = cio_read(cio, 1); /* Sqcx */
848 tccp->qntsty = tmp & 0x1f;
849 tccp->numgbits = tmp >> 5;
850 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
851 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
852  
853 #ifdef USE_JPWL
854 if (j2k->cp->correct) {
855  
856 /* if JPWL is on, we check whether there are too many subbands */
857 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
858 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
859 "JPWL: bad number of subbands in Sqcx (%d)\n",
860 numbands);
861 if (!JPWL_ASSUME) {
862 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
863 return;
864 }
865 /* we try to correct */
866 numbands = 1;
867 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
868 "- setting number of bands to %d => HYPOTHESIS!!!\n",
869 numbands);
870 };
871  
872 };
873  
874 #else
875 /* We check whether there are too many subbands */
876 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
877 opj_event_msg(j2k->cinfo, EVT_WARNING ,
878 "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
879 "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
880 }
881  
882 #endif /* USE_JPWL */
883  
884 for (bandno = 0; bandno < numbands; bandno++) {
885 int expn, mant;
886 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
887 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
888 mant = 0;
889 } else {
890 tmp = cio_read(cio, 2); /* SPqcx_i */
891 expn = tmp >> 11;
892 mant = tmp & 0x7ff;
893 }
894 if (bandno < J2K_MAXBANDS){
895 tccp->stepsizes[bandno].expn = expn;
896 tccp->stepsizes[bandno].mant = mant;
897 }
898 }
899  
900 /* Add Antonin : if scalar_derived -> compute other stepsizes */
901 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
902 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
903 tccp->stepsizes[bandno].expn =
904 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
905 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
906 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
907 }
908 }
909 /* ddA */
910 }
911  
912 static void j2k_write_qcd(opj_j2k_t *j2k) {
913 int lenp, len;
914  
915 opj_cio_t *cio = j2k->cio;
916  
917 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
918 lenp = cio_tell(cio);
919 cio_skip(cio, 2);
920 j2k_write_qcx(j2k, 0);
921 len = cio_tell(cio) - lenp;
922 cio_seek(cio, lenp);
923 cio_write(cio, len, 2); /* Lqcd */
924 cio_seek(cio, lenp + len);
925  
926 if(j2k->cstr_info)
927 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
928 }
929  
930 static void j2k_read_qcd(opj_j2k_t *j2k) {
931 int len, i, pos;
932  
933 opj_cio_t *cio = j2k->cio;
934 opj_image_t *image = j2k->image;
935  
936 len = cio_read(cio, 2); /* Lqcd */
937 pos = cio_tell(cio);
938 for (i = 0; i < image->numcomps; i++) {
939 cio_seek(cio, pos);
940 j2k_read_qcx(j2k, i, len - 2);
941 }
942 }
943  
944 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
945 int lenp, len;
946  
947 opj_cio_t *cio = j2k->cio;
948  
949 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
950 lenp = cio_tell(cio);
951 cio_skip(cio, 2);
952 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
953 j2k_write_qcx(j2k, compno);
954 len = cio_tell(cio) - lenp;
955 cio_seek(cio, lenp);
956 cio_write(cio, len, 2); /* Lqcc */
957 cio_seek(cio, lenp + len);
958 }
959  
960 static void j2k_read_qcc(opj_j2k_t *j2k) {
961 int len, compno;
962 int numcomp = j2k->image->numcomps;
963 opj_cio_t *cio = j2k->cio;
964  
965 len = cio_read(cio, 2); /* Lqcc */
966 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
967  
968 #ifdef USE_JPWL
969 if (j2k->cp->correct) {
970  
971 static int backup_compno = 0;
972  
973 /* compno is negative or larger than the number of components!!! */
974 if ((compno < 0) || (compno >= numcomp)) {
975 opj_event_msg(j2k->cinfo, EVT_ERROR,
976 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
977 compno, numcomp);
978 if (!JPWL_ASSUME) {
979 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
980 return;
981 }
982 /* we try to correct */
983 compno = backup_compno % numcomp;
984 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
985 "- setting component number to %d\n",
986 compno);
987 }
988  
989 /* keep your private count of tiles */
990 backup_compno++;
991 };
992 #endif /* USE_JPWL */
993  
994 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
995 }
996  
997 static void j2k_write_poc(opj_j2k_t *j2k) {
998 int len, numpchgs, i;
999  
1000 int numcomps = j2k->image->numcomps;
1001  
1002 opj_cp_t *cp = j2k->cp;
1003 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1004 opj_tccp_t *tccp = &tcp->tccps[0];
1005 opj_cio_t *cio = j2k->cio;
1006  
1007 numpchgs = 1 + tcp->numpocs;
1008 cio_write(cio, J2K_MS_POC, 2); /* POC */
1009 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1010 cio_write(cio, len, 2); /* Lpoc */
1011 for (i = 0; i < numpchgs; i++) {
1012 opj_poc_t *poc = &tcp->pocs[i];
1013 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1014 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
1015 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1016 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1017 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1018 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1019 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
1020 poc->compno1 = int_min(poc->compno1, numcomps);
1021 cio_write(cio, poc->prg, 1); /* Ppoc_i */
1022 }
1023 }
1024  
1025 static void j2k_read_poc(opj_j2k_t *j2k) {
1026 int len, numpchgs, i, old_poc;
1027  
1028 int numcomps = j2k->image->numcomps;
1029  
1030 opj_cp_t *cp = j2k->cp;
1031 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1032 opj_cio_t *cio = j2k->cio;
1033  
1034 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1035 tcp->POC = 1;
1036 len = cio_read(cio, 2); /* Lpoc */
1037 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1038  
1039 for (i = old_poc; i < numpchgs + old_poc; i++) {
1040 opj_poc_t *poc;
1041 poc = &tcp->pocs[i];
1042 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1043 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
1044 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
1045 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
1046 poc->compno1 = int_min(
1047 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
1048 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1049 }
1050  
1051 tcp->numpocs = numpchgs + old_poc - 1;
1052 }
1053  
1054 static void j2k_read_crg(opj_j2k_t *j2k) {
1055 int len, i, Xcrg_i, Ycrg_i;
1056  
1057 opj_cio_t *cio = j2k->cio;
1058 int numcomps = j2k->image->numcomps;
1059  
1060 len = cio_read(cio, 2); /* Lcrg */
1061 for (i = 0; i < numcomps; i++) {
1062 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1063 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1064 }
1065 }
1066  
1067 static void j2k_read_tlm(opj_j2k_t *j2k) {
1068 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1069 long int Ttlm_i, Ptlm_i;
1070  
1071 opj_cio_t *cio = j2k->cio;
1072  
1073 len = cio_read(cio, 2); /* Ltlm */
1074 Ztlm = cio_read(cio, 1); /* Ztlm */
1075 Stlm = cio_read(cio, 1); /* Stlm */
1076 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1077 SP = (Stlm >> 6) & 0x01;
1078 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1079 for (i = 0; i < tile_tlm; i++) {
1080 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1081 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1082 }
1083 }
1084  
1085 static void j2k_read_plm(opj_j2k_t *j2k) {
1086 int len, i, Zplm, Nplm, add, packet_len = 0;
1087  
1088 opj_cio_t *cio = j2k->cio;
1089  
1090 len = cio_read(cio, 2); /* Lplm */
1091 Zplm = cio_read(cio, 1); /* Zplm */
1092 len -= 3;
1093 while (len > 0) {
1094 Nplm = cio_read(cio, 4); /* Nplm */
1095 len -= 4;
1096 for (i = Nplm; i > 0; i--) {
1097 add = cio_read(cio, 1);
1098 len--;
1099 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1100 if ((add & 0x80) == 0) {
1101 /* New packet */
1102 packet_len = 0;
1103 }
1104 if (len <= 0)
1105 break;
1106 }
1107 }
1108 }
1109  
1110 static void j2k_read_plt(opj_j2k_t *j2k) {
1111 int len, i, Zplt, packet_len = 0, add;
1112  
1113 opj_cio_t *cio = j2k->cio;
1114  
1115 len = cio_read(cio, 2); /* Lplt */
1116 Zplt = cio_read(cio, 1); /* Zplt */
1117 for (i = len - 3; i > 0; i--) {
1118 add = cio_read(cio, 1);
1119 packet_len = (packet_len << 7) + add; /* Iplt_i */
1120 if ((add & 0x80) == 0) {
1121 /* New packet */
1122 packet_len = 0;
1123 }
1124 }
1125 }
1126  
1127 static void j2k_read_ppm(opj_j2k_t *j2k) {
1128 int len, Z_ppm, i, j;
1129 int N_ppm;
1130  
1131 opj_cp_t *cp = j2k->cp;
1132 opj_cio_t *cio = j2k->cio;
1133  
1134 len = cio_read(cio, 2);
1135 cp->ppm = 1;
1136  
1137 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1138 len -= 3;
1139 while (len > 0) {
1140 if (cp->ppm_previous == 0) {
1141 N_ppm = cio_read(cio, 4); /* N_ppm */
1142 len -= 4;
1143 } else {
1144 N_ppm = cp->ppm_previous;
1145 }
1146 j = cp->ppm_store;
1147 if (Z_ppm == 0) { /* First PPM marker */
1148 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1149 cp->ppm_data_first = cp->ppm_data;
1150 cp->ppm_len = N_ppm;
1151 } else { /* NON-first PPM marker */
1152 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1153  
1154 #ifdef USE_JPWL
1155 /* this memory allocation check could be done even in non-JPWL cases */
1156 if (cp->correct) {
1157 if (!cp->ppm_data) {
1158 opj_event_msg(j2k->cinfo, EVT_ERROR,
1159 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1160 cio_tell(cio));
1161 if (!JPWL_ASSUME || JPWL_ASSUME) {
1162 opj_free(cp->ppm_data);
1163 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1164 return;
1165 }
1166 }
1167 }
1168 #endif
1169  
1170 cp->ppm_data_first = cp->ppm_data;
1171 cp->ppm_len = N_ppm + cp->ppm_store;
1172 }
1173 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1174 cp->ppm_data[j] = cio_read(cio, 1);
1175 j++;
1176 len--;
1177 if (len == 0)
1178 break; /* Case of non-finished packet header in present marker but finished in next one */
1179 }
1180 cp->ppm_previous = i - 1;
1181 cp->ppm_store = j;
1182 }
1183 }
1184  
1185 static void j2k_read_ppt(opj_j2k_t *j2k) {
1186 int len, Z_ppt, i, j = 0;
1187  
1188 opj_cp_t *cp = j2k->cp;
1189 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1190 opj_cio_t *cio = j2k->cio;
1191  
1192 len = cio_read(cio, 2);
1193 Z_ppt = cio_read(cio, 1);
1194 tcp->ppt = 1;
1195 if (Z_ppt == 0) { /* First PPT marker */
1196 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1197 tcp->ppt_data_first = tcp->ppt_data;
1198 tcp->ppt_store = 0;
1199 tcp->ppt_len = len - 3;
1200 } else { /* NON-first PPT marker */
1201 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1202 tcp->ppt_data_first = tcp->ppt_data;
1203 tcp->ppt_len = len - 3 + tcp->ppt_store;
1204 }
1205 j = tcp->ppt_store;
1206 for (i = len - 3; i > 0; i--) {
1207 tcp->ppt_data[j] = cio_read(cio, 1);
1208 j++;
1209 }
1210 tcp->ppt_store = j;
1211 }
1212  
1213 static void j2k_write_tlm(opj_j2k_t *j2k){
1214 int lenp;
1215 opj_cio_t *cio = j2k->cio;
1216 j2k->tlm_start = cio_tell(cio);
1217 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1218 lenp = 4 + (5*j2k->totnum_tp);
1219 cio_write(cio,lenp,2); /* Ltlm */
1220 cio_write(cio, 0,1); /* Ztlm=0*/
1221 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1222 cio_skip(cio,5*j2k->totnum_tp);
1223 }
1224  
1225 static void j2k_write_sot(opj_j2k_t *j2k) {
1226 int lenp, len;
1227  
1228 opj_cio_t *cio = j2k->cio;
1229  
1230 j2k->sot_start = cio_tell(cio);
1231 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1232 lenp = cio_tell(cio);
1233 cio_skip(cio, 2); /* Lsot (further) */
1234 cio_write(cio, j2k->curtileno, 2); /* Isot */
1235 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1236 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1237 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1238 len = cio_tell(cio) - lenp;
1239 cio_seek(cio, lenp);
1240 cio_write(cio, len, 2); /* Lsot */
1241 cio_seek(cio, lenp + len);
1242  
1243 /* UniPG>> */
1244 #ifdef USE_JPWL
1245 /* update markers struct */
1246 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1247 #endif /* USE_JPWL */
1248 /* <<UniPG */
1249  
1250 if( j2k->cstr_info && j2k->cur_tp_num==0){
1251 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1252 }
1253 }
1254  
1255 static void j2k_read_sot(opj_j2k_t *j2k) {
1256 int len, tileno, totlen, partno, numparts, i;
1257 opj_tcp_t *tcp = NULL;
1258 char status = 0;
1259  
1260 opj_cp_t *cp = j2k->cp;
1261 opj_cio_t *cio = j2k->cio;
1262  
1263 len = cio_read(cio, 2);
1264 tileno = cio_read(cio, 2);
1265  
1266 #ifdef USE_JPWL
1267 if (j2k->cp->correct) {
1268  
1269 static int backup_tileno = 0;
1270  
1271 /* tileno is negative or larger than the number of tiles!!! */
1272 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1273 opj_event_msg(j2k->cinfo, EVT_ERROR,
1274 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1275 tileno, (cp->tw * cp->th));
1276 if (!JPWL_ASSUME) {
1277 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1278 return;
1279 }
1280 /* we try to correct */
1281 tileno = backup_tileno;
1282 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1283 "- setting tile number to %d\n",
1284 tileno);
1285 }
1286  
1287 /* keep your private count of tiles */
1288 backup_tileno++;
1289 };
1290 #endif /* USE_JPWL */
1291  
1292 if (cp->tileno_size == 0) {
1293 cp->tileno[cp->tileno_size] = tileno;
1294 cp->tileno_size++;
1295 } else {
1296 i = 0;
1297 while (i < cp->tileno_size && status == 0) {
1298 status = cp->tileno[i] == tileno ? 1 : 0;
1299 i++;
1300 }
1301 if (status == 0) {
1302 cp->tileno[cp->tileno_size] = tileno;
1303 cp->tileno_size++;
1304 }
1305 }
1306  
1307 totlen = cio_read(cio, 4);
1308  
1309 #ifdef USE_JPWL
1310 if (j2k->cp->correct) {
1311  
1312 /* totlen is negative or larger than the bytes left!!! */
1313 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1314 opj_event_msg(j2k->cinfo, EVT_ERROR,
1315 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1316 totlen, cio_numbytesleft(cio) + 8);
1317 if (!JPWL_ASSUME) {
1318 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1319 return;
1320 }
1321 /* we try to correct */
1322 totlen = 0;
1323 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1324 "- setting Psot to %d => assuming it is the last tile\n",
1325 totlen);
1326 }
1327  
1328 };
1329 #endif /* USE_JPWL */
1330  
1331 if (!totlen)
1332 totlen = cio_numbytesleft(cio) + 8;
1333  
1334 partno = cio_read(cio, 1);
1335 numparts = cio_read(cio, 1);
1336  
1337 if (partno >= numparts) {
1338 opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater (%d) than number of tile-parts (%d)\n", tileno, partno, numparts);
1339 numparts = partno+1;
1340 }
1341  
1342 j2k->curtileno = tileno;
1343 j2k->cur_tp_num = partno;
1344 j2k->eot = cio_getbp(cio) - 12 + totlen;
1345 j2k->state = J2K_STATE_TPH;
1346 tcp = &cp->tcps[j2k->curtileno];
1347  
1348 /* Index */
1349 if (j2k->cstr_info) {
1350 if (tcp->first) {
1351 if (tileno == 0)
1352 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1353 j2k->cstr_info->tile[tileno].tileno = tileno;
1354 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1355 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1356 } else {
1357 j2k->cstr_info->tile[tileno].end_pos += totlen;
1358 }
1359 j2k->cstr_info->tile[tileno].num_tps = numparts;
1360 if (numparts)
1361 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1362 else
1363 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); /* Fixme (10)*/
1364 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1365 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1366 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1367 }
1368  
1369 if (tcp->first == 1) {
1370 /* Initialization PPT */
1371 opj_tccp_t *tmp = tcp->tccps;
1372 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1373 tcp->ppt = 0;
1374 tcp->ppt_data = NULL;
1375 tcp->ppt_data_first = NULL;
1376 tcp->tccps = tmp;
1377  
1378 for (i = 0; i < j2k->image->numcomps; i++) {
1379 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1380 }
1381 cp->tcps[j2k->curtileno].first = 0;
1382 }
1383 }
1384  
1385 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1386 int l, layno;
1387 int totlen;
1388 opj_tcp_t *tcp = NULL;
1389 opj_codestream_info_t *cstr_info = NULL;
1390  
1391 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1392 opj_cp_t *cp = j2k->cp;
1393 opj_cio_t *cio = j2k->cio;
1394  
1395 tcd->tp_num = j2k->tp_num ;
1396 tcd->cur_tp_num = j2k->cur_tp_num;
1397  
1398 cio_write(cio, J2K_MS_SOD, 2);
1399  
1400 if( j2k->cstr_info && j2k->cur_tp_num==0){
1401 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1402 }
1403  
1404 if (j2k->curtileno == 0) {
1405 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1406 }
1407  
1408 /* INDEX >> */
1409 cstr_info = j2k->cstr_info;
1410 if (cstr_info) {
1411 if (!j2k->cur_tp_num ) {
1412 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1413 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1414 }
1415 else{
1416 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1417 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1418 }
1419 /* UniPG>> */
1420 #ifdef USE_JPWL
1421 /* update markers struct */
1422 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1423 #endif /* USE_JPWL */
1424 /* <<UniPG */
1425 }
1426 /* << INDEX */
1427  
1428 tcp = &cp->tcps[j2k->curtileno];
1429 for (layno = 0; layno < tcp->numlayers; layno++) {
1430 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1431 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1432 } else if (tcp->rates[layno]) {
1433 tcp->rates[layno]=1;
1434 }
1435 }
1436 if(j2k->cur_tp_num == 0){
1437 tcd->tcd_image->tiles->packno = 0;
1438 if(cstr_info)
1439 cstr_info->packno = 0;
1440 }
1441  
1442 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1443  
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 */
1450 if(cp->cinema){
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);
1454 }
1455 cio_seek(cio, j2k->sot_start + totlen);
1456 }
1457  
1458 static void j2k_read_sod(opj_j2k_t *j2k) {
1459 int len, truncate = 0, i;
1460 unsigned char *data = NULL, *data_ptr = NULL;
1461  
1462 opj_cio_t *cio = j2k->cio;
1463 int curtileno = j2k->curtileno;
1464  
1465 /* Index */
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;
1472 }
1473  
1474 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1475  
1476 if (len == cio_numbytesleft(cio) + 1) {
1477 truncate = 1; /* Case of a truncate codestream */
1478 }
1479  
1480 data = j2k->tile_data[curtileno];
1481 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1482  
1483 data_ptr = data + j2k->tile_len[curtileno];
1484 for (i = 0; i < len; i++) {
1485 data_ptr[i] = cio_read(cio, 1);
1486 }
1487  
1488 j2k->tile_len[curtileno] += len;
1489 j2k->tile_data[curtileno] = data;
1490  
1491 if (!truncate) {
1492 j2k->state = J2K_STATE_TPHSOT;
1493 } else {
1494 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1495 }
1496 j2k->cur_tp_num++;
1497 }
1498  
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;
1504  
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 */
1510 }
1511  
1512 static void j2k_read_rgn(opj_j2k_t *j2k) {
1513 int len, compno, roisty;
1514  
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;
1519  
1520 len = cio_read(cio, 2); /* Lrgn */
1521 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1522 roisty = cio_read(cio, 1); /* Srgn */
1523  
1524 #ifdef USE_JPWL
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",
1530 compno, numcomps);
1531 if (!JPWL_ASSUME || JPWL_ASSUME) {
1532 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1533 return;
1534 }
1535 }
1536 };
1537 #endif /* USE_JPWL */
1538  
1539 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1540 }
1541  
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);
1546  
1547 /* UniPG>> */
1548 #ifdef USE_JPWL
1549 /* update markers struct */
1550 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1551 #endif /* USE_JPWL */
1552 /* <<UniPG */
1553 }
1554  
1555 static void j2k_read_eoc(opj_j2k_t *j2k) {
1556 int i, tileno;
1557 opj_bool success;
1558  
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 == OPJ_FALSE) {
1571 j2k->state |= J2K_STATE_ERR;
1572 break;
1573 }
1574 }
1575 tcd_free_decode(tcd);
1576 tcd_destroy(tcd);
1577 }
1578 /* if packets should not be decoded */
1579 else {
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;
1584 }
1585 }
1586 if (j2k->state & J2K_STATE_ERR)
1587 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1588 else
1589 j2k->state = J2K_STATE_MT;
1590 }
1591  
1592 typedef struct opj_dec_mstabent {
1593 /** marker value */
1594 int id;
1595 /** value of the state when the marker can appear */
1596 int states;
1597 /** action linked to the marker */
1598 void (*handler) (opj_j2k_t *j2k);
1599 } opj_dec_mstabent_t;
1600  
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},
1618 {J2K_MS_SOP, 0, 0},
1619 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1620 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1621  
1622 #ifdef USE_JPWL
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 */
1628 #ifdef USE_JPSEC
1629 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1630 {J2K_MS_INSEC, 0, j2k_read_insec},
1631 #endif /* USE_JPSEC */
1632  
1633 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1634 };
1635  
1636 static void j2k_read_unk(opj_j2k_t *j2k) {
1637 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1638  
1639 #ifdef USE_JPWL
1640 if (j2k->cp->correct) {
1641 int m = 0, id, i;
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",
1647 id);
1648 if (!JPWL_ASSUME) {
1649 opj_event_msg(j2k->cinfo, EVT_ERROR,
1650 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1651 return;
1652 }
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) {
1656  
1657 /* 1's where they differ */
1658 tmp_id = j2k_dec_mstab[m].id ^ id;
1659  
1660 /* compute the hamming distance between our id and the current */
1661 cur_dist = 0;
1662 for (i = 0; i < 16; i++) {
1663 if ((tmp_id >> i) & 0x0001) {
1664 cur_dist++;
1665 }
1666 }
1667  
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;
1672 }
1673  
1674 /* jump to the next marker */
1675 m++;
1676 }
1677  
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);
1687  
1688 /* rewind */
1689 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1690  
1691 }
1692  
1693 };
1694 #endif /* USE_JPWL */
1695  
1696 }
1697  
1698 /**
1699 Read the lookup table containing all the marker, status and action
1700 @param id Marker value
1701 */
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++) {
1705 if (e->id == id) {
1706 break;
1707 }
1708 }
1709 return e;
1710 }
1711  
1712 /* ----------------------------------------------------------------------- */
1713 /* J2K / JPT decoder interface */
1714 /* ----------------------------------------------------------------------- */
1715  
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));
1718 if(!j2k)
1719 return NULL;
1720  
1721 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1722 if(!j2k->default_tcp) {
1723 opj_free(j2k);
1724 return NULL;
1725 }
1726  
1727 j2k->cinfo = cinfo;
1728 j2k->tile_data = NULL;
1729  
1730 return j2k;
1731 }
1732  
1733 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1734 int i = 0;
1735  
1736 if(j2k->tile_len != NULL) {
1737 opj_free(j2k->tile_len);
1738 }
1739 if(j2k->tile_data != NULL) {
1740 opj_free(j2k->tile_data);
1741 }
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);
1746 }
1747 if(j2k->default_tcp->tccps != NULL) {
1748 opj_free(j2k->default_tcp->tccps);
1749 }
1750 opj_free(j2k->default_tcp);
1751 }
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);
1758 }
1759 if(cp->tcps[i].tccps != NULL) {
1760 opj_free(cp->tcps[i].tccps);
1761 }
1762 }
1763 opj_free(cp->tcps);
1764 }
1765 if(cp->ppm_data_first != NULL) {
1766 opj_free(cp->ppm_data_first);
1767 }
1768 if(cp->tileno != NULL) {
1769 opj_free(cp->tileno);
1770 }
1771 if(cp->comment != NULL) {
1772 opj_free(cp->comment);
1773 }
1774  
1775 opj_free(cp);
1776 }
1777 opj_free(j2k);
1778 }
1779  
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;
1787  
1788 #ifdef USE_JPWL
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 */
1793  
1794  
1795 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1796 j2k->cp = cp;
1797 }
1798 }
1799  
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;
1802  
1803 opj_common_ptr cinfo = j2k->cinfo;
1804  
1805 j2k->cio = cio;
1806 j2k->cstr_info = cstr_info;
1807 if (cstr_info)
1808 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1809  
1810 /* create an empty image */
1811 image = opj_image_create0();
1812 j2k->image = image;
1813  
1814 j2k->state = J2K_STATE_MHSOC;
1815  
1816 for (;;) {
1817 opj_dec_mstabent_t *e;
1818 int id = cio_read(cio, 2);
1819  
1820 #ifdef USE_JPWL
1821 /* we try to honor JPWL correction power */
1822 if (j2k->cp->correct) {
1823  
1824 int orig_pos = cio_tell(cio);
1825 opj_bool status;
1826  
1827 /* call the corrector */
1828 status = jpwl_correct(j2k);
1829  
1830 /* go back to where you were */
1831 cio_seek(cio, orig_pos - 2);
1832  
1833 /* re-read the marker */
1834 id = cio_read(cio, 2);
1835  
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);
1841 if (!JPWL_ASSUME) {
1842 opj_image_destroy(image);
1843 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1844 return 0;
1845 }
1846 /* we try to correct */
1847 id = id | 0xff00;
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",
1852 id);
1853 }
1854  
1855 }
1856 #endif /* USE_JPWL */
1857  
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);
1861 return 0;
1862 }
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);
1868 return 0;
1869 }
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");
1873 return image;
1874 }
1875  
1876 if (e->handler) {
1877 (*e->handler)(j2k);
1878 }
1879 if (j2k->state & J2K_STATE_ERR)
1880 return NULL;
1881  
1882 if (j2k->state == J2K_STATE_MT) {
1883 break;
1884 }
1885 if (j2k->state == J2K_STATE_NEOC) {
1886 break;
1887 }
1888 }
1889 if (j2k->state == J2K_STATE_NEOC) {
1890 j2k_read_eoc(j2k);
1891 }
1892  
1893 if (j2k->state != J2K_STATE_MT) {
1894 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1895 }
1896 return image;
1897 }
1898  
1899 /*
1900 * Read a JPT-stream and decode file
1901 *
1902 */
1903 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1904 opj_image_t *image = NULL;
1905 opj_jpt_msg_header_t header;
1906 int position;
1907 opj_common_ptr cinfo = j2k->cinfo;
1908  
1909 OPJ_ARG_NOT_USED(cstr_info);
1910  
1911 j2k->cio = cio;
1912  
1913 /* create an empty image */
1914 image = opj_image_create0();
1915 j2k->image = image;
1916  
1917 j2k->state = J2K_STATE_MHSOC;
1918  
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);
1923  
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);
1928 return 0;
1929 }
1930  
1931 for (;;) {
1932 opj_dec_mstabent_t *e = NULL;
1933 int id;
1934  
1935 if (!cio_numbytesleft(cio)) {
1936 j2k_read_eoc(j2k);
1937 return image;
1938 }
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");
1946 return 0;
1947 }
1948 }
1949  
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);
1954 return 0;
1955 }
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);
1960 return 0;
1961 }
1962 if (e->handler) {
1963 (*e->handler)(j2k);
1964 }
1965 if (j2k->state == J2K_STATE_MT) {
1966 break;
1967 }
1968 if (j2k->state == J2K_STATE_NEOC) {
1969 break;
1970 }
1971 }
1972 if (j2k->state == J2K_STATE_NEOC) {
1973 j2k_read_eoc(j2k);
1974 }
1975  
1976 if (j2k->state != J2K_STATE_MT) {
1977 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1978 }
1979  
1980 return image;
1981 }
1982  
1983 /* ----------------------------------------------------------------------- */
1984 /* J2K encoder interface */
1985 /* ----------------------------------------------------------------------- */
1986  
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));
1989 if(j2k) {
1990 j2k->cinfo = cinfo;
1991 }
1992 return j2k;
1993 }
1994  
1995 void j2k_destroy_compress(opj_j2k_t *j2k) {
1996 int tileno;
1997  
1998 if(!j2k) return;
1999 if(j2k->cp != NULL) {
2000 opj_cp_t *cp = j2k->cp;
2001  
2002 if(cp->comment) {
2003 opj_free(cp->comment);
2004 }
2005 if(cp->matrice) {
2006 opj_free(cp->matrice);
2007 }
2008 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2009 opj_free(cp->tcps[tileno].tccps);
2010 }
2011 opj_free(cp->tcps);
2012 opj_free(cp);
2013 }
2014  
2015 opj_free(j2k);
2016 }
2017  
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;
2021  
2022 if(!j2k || !parameters || ! image) {
2023 return;
2024 }
2025  
2026 /* create and initialize the coding parameters structure */
2027 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2028  
2029 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2030 j2k->cp = cp;
2031  
2032 /* set default values for cp */
2033 cp->tw = 1;
2034 cp->th = 1;
2035  
2036 /*
2037 copy user encoding parameters
2038 */
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;
2045  
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);
2051 }
2052  
2053 /* tiles */
2054 cp->tdx = parameters->cp_tdx;
2055 cp->tdy = parameters->cp_tdy;
2056  
2057 /* tile offset */
2058 cp->tx0 = parameters->cp_tx0;
2059 cp->ty0 = parameters->cp_ty0;
2060  
2061 /* comment string */
2062 if(parameters->cp_comment) {
2063 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2064 if(cp->comment) {
2065 strcpy(cp->comment, parameters->cp_comment);
2066 }
2067 }
2068  
2069 /*
2070 calculate other encoding parameters
2071 */
2072  
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);
2076 } else {
2077 cp->tdx = image->x1 - cp->tx0;
2078 cp->tdy = image->y1 - cp->ty0;
2079 }
2080  
2081 if(parameters->tp_on){
2082 cp->tp_flag = parameters->tp_flag;
2083 cp->tp_on = 1;
2084 }
2085  
2086 cp->img_size = 0;
2087 for(i=0;i<image->numcomps ;i++){
2088 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2089 }
2090  
2091  
2092 #ifdef USE_JPWL
2093 /*
2094 calculate JPWL encoding parameters
2095 */
2096  
2097 if (parameters->jpwl_epc_on) {
2098 int i;
2099  
2100 /* set JPWL on */
2101 cp->epc_on = OPJ_TRUE;
2102 cp->info_on = OPJ_FALSE; /* no informative technique */
2103  
2104 /* set EPB on */
2105 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2106 cp->epb_on = OPJ_TRUE;
2107  
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];
2112 }
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;
2117 }
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];
2122 }
2123 }
2124  
2125 /* set ESD writing */
2126 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2127 cp->esd_on = OPJ_TRUE;
2128  
2129 cp->sens_size = parameters->jpwl_sens_size;
2130 cp->sens_addr = parameters->jpwl_sens_addr;
2131 cp->sens_range = parameters->jpwl_sens_range;
2132  
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];
2137 }
2138 }
2139  
2140 /* always set RED writing to false: we are at the encoder */
2141 cp->red_on = OPJ_FALSE;
2142  
2143 } else {
2144 cp->epc_on = OPJ_FALSE;
2145 }
2146 #endif /* USE_JPWL */
2147  
2148  
2149 /* initialize the mutiple tiles */
2150 /* ---------------------------- */
2151 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2152  
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++) {
2157 if(cp->cinema){
2158 if (cp->fixed_quality) {
2159 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2160 }
2161 tcp->rates[j] = parameters->tcp_rates[j];
2162 }else{
2163 if (cp->fixed_quality) { /* add fixed_quality */
2164 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2165 } else {
2166 tcp->rates[j] = parameters->tcp_rates[j];
2167 }
2168 }
2169 }
2170 tcp->csty = parameters->csty;
2171 tcp->prg = parameters->prog_order;
2172 tcp->mct = parameters->tcp_mct;
2173  
2174 numpocs_tile = 0;
2175 tcp->POC = 0;
2176 if (parameters->numpocs) {
2177 /* initialisation of POC */
2178 tcp->POC = 1;
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;
2189 numpocs_tile++;
2190 }
2191 }
2192 tcp->numpocs = numpocs_tile -1 ;
2193 }else{
2194 tcp->numpocs = 0;
2195 }
2196  
2197 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2198  
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;
2208 tccp->numgbits = 2;
2209 if (i == parameters->roi_compno) {
2210 tccp->roishift = parameters->roi_shift;
2211 } else {
2212 tccp->roishift = 0;
2213 }
2214  
2215 if(parameters->cp_cinema)
2216 {
2217 /*Precinct size for lowest frequency subband=128*/
2218 tccp->prcw[0] = 7;
2219 tccp->prch[0] = 7;
2220 /*Precinct size at all other resolutions = 256*/
2221 for (j = 1; j < tccp->numresolutions; j++) {
2222 tccp->prcw[j] = 8;
2223 tccp->prch[j] = 8;
2224 }
2225 }else{
2226 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2227 int p = 0;
2228 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2229 if (p < parameters->res_spec) {
2230  
2231 if (parameters->prcw_init[p] < 1) {
2232 tccp->prcw[j] = 1;
2233 } else {
2234 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2235 }
2236  
2237 if (parameters->prch_init[p] < 1) {
2238 tccp->prch[j] = 1;
2239 }else {
2240 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2241 }
2242  
2243 } else {
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));
2247  
2248 if (size_prcw < 1) {
2249 tccp->prcw[j] = 1;
2250 } else {
2251 tccp->prcw[j] = int_floorlog2(size_prcw);
2252 }
2253  
2254 if (size_prch < 1) {
2255 tccp->prch[j] = 1;
2256 } else {
2257 tccp->prch[j] = int_floorlog2(size_prch);
2258 }
2259 }
2260 p++;
2261 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2262 } /*end for*/
2263 } else {
2264 for (j = 0; j < tccp->numresolutions; j++) {
2265 tccp->prcw[j] = 15;
2266 tccp->prch[j] = 15;
2267 }
2268 }
2269 }
2270  
2271 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2272 }
2273 }
2274 }
2275  
2276 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2277 int tileno, compno;
2278 opj_cp_t *cp = NULL;
2279  
2280 opj_tcd_t *tcd = NULL; /* TCD component */
2281  
2282 j2k->cio = cio;
2283 j2k->image = image;
2284  
2285 cp = j2k->cp;
2286  
2287 /* INDEX >> */
2288 j2k->cstr_info = cstr_info;
2289 if (cstr_info) {
2290 int compno;
2291 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2292 cstr_info->image_w = image->x1 - image->x0;
2293 cstr_info->image_h = image->y1 - image->y0;
2294 cstr_info->prog = (&cp->tcps[0])->prg;
2295 cstr_info->tw = cp->tw;
2296 cstr_info->th = cp->th;
2297 cstr_info->tile_x = cp->tdx; /* new version parser */
2298 cstr_info->tile_y = cp->tdy; /* new version parser */
2299 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2300 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2301 cstr_info->numcomps = image->numcomps;
2302 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2303 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2304 for (compno=0; compno < image->numcomps; compno++) {
2305 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2306 }
2307 cstr_info->D_max = 0.0; /* ADD Marcela */
2308 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2309 cstr_info->maxmarknum = 100;
2310 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2311 cstr_info->marknum = 0;
2312 }
2313 /* << INDEX */
2314  
2315 j2k_write_soc(j2k);
2316 j2k_write_siz(j2k);
2317 j2k_write_cod(j2k);
2318 j2k_write_qcd(j2k);
2319  
2320 if(cp->cinema){
2321 for (compno = 1; compno < image->numcomps; compno++) {
2322 j2k_write_coc(j2k, compno);
2323 j2k_write_qcc(j2k, compno);
2324 }
2325 }
2326  
2327 for (compno = 0; compno < image->numcomps; compno++) {
2328 opj_tcp_t *tcp = &cp->tcps[0];
2329 if (tcp->tccps[compno].roishift)
2330 j2k_write_rgn(j2k, compno, 0);
2331 }
2332 if (cp->comment != NULL) {
2333 j2k_write_com(j2k);
2334 }
2335  
2336 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2337 /* TLM Marker*/
2338 if(cp->cinema){
2339 j2k_write_tlm(j2k);
2340 if (cp->cinema == CINEMA4K_24) {
2341 j2k_write_poc(j2k);
2342 }
2343 }
2344  
2345 /* uncomment only for testing JPSEC marker writing */
2346 /* j2k_write_sec(j2k); */
2347  
2348 /* INDEX >> */
2349 if(cstr_info) {
2350 cstr_info->main_head_end = cio_tell(cio) - 1;
2351 }
2352 /* << INDEX */
2353 /**** Main Header ENDS here ***/
2354  
2355 /* create the tile encoder */
2356 tcd = tcd_create(j2k->cinfo);
2357  
2358 /* encode each tile */
2359 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2360 int pino;
2361 int tilepartno=0;
2362 /* UniPG>> */
2363 int acc_pack_num = 0;
2364 /* <<UniPG */
2365  
2366  
2367 opj_tcp_t *tcp = &cp->tcps[tileno];
2368 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2369  
2370 j2k->curtileno = tileno;
2371 j2k->cur_tp_num = 0;
2372 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2373 /* initialisation before tile encoding */
2374 if (tileno == 0) {
2375 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2376 } else {
2377 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2378 }
2379  
2380 /* INDEX >> */
2381 if(cstr_info) {
2382 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2383 cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2384 cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2385 cstr_info->tile[j2k->curtileno].marknum = 0;
2386 }
2387 /* << INDEX */
2388  
2389 for(pino = 0; pino <= tcp->numpocs; pino++) {
2390 int tot_num_tp;
2391 tcd->cur_pino=pino;
2392  
2393 /*Get number of tile parts*/
2394 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2395 tcd->tp_pos = cp->tp_pos;
2396  
2397 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2398 j2k->tp_num = tilepartno;
2399 /* INDEX >> */
2400 if(cstr_info)
2401 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2402 cio_tell(cio) + j2k->pos_correction;
2403 /* << INDEX */
2404 j2k_write_sot(j2k);
2405  
2406 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2407 for (compno = 1; compno < image->numcomps; compno++) {
2408 j2k_write_coc(j2k, compno);
2409 j2k_write_qcc(j2k, compno);
2410 }
2411 if (cp->tcps[tileno].numpocs) {
2412 j2k_write_poc(j2k);
2413 }
2414 }
2415  
2416 /* INDEX >> */
2417 if(cstr_info)
2418 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2419 cio_tell(cio) + j2k->pos_correction + 1;
2420 /* << INDEX */
2421  
2422 j2k_write_sod(j2k, tcd);
2423  
2424 /* INDEX >> */
2425 if(cstr_info) {
2426 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2427 cio_tell(cio) + j2k->pos_correction - 1;
2428 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2429 acc_pack_num;
2430 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2431 cstr_info->packno - acc_pack_num;
2432 acc_pack_num = cstr_info->packno;
2433 }
2434 /* << INDEX */
2435  
2436 j2k->cur_tp_num++;
2437 }
2438 }
2439 if(cstr_info) {
2440 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2441 }
2442  
2443  
2444 /*
2445 if (tile->PPT) { // BAD PPT !!!
2446 FILE *PPT_file;
2447 int i;
2448 PPT_file=fopen("PPT","rb");
2449 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2450 for (i=0;i<tile->len_ppt;i++) {
2451 unsigned char elmt;
2452 fread(&elmt, 1, 1, PPT_file);
2453 fwrite(&elmt,1,1,f);
2454 }
2455 fclose(PPT_file);
2456 unlink("PPT");
2457 }
2458 */
2459  
2460 }
2461  
2462 /* destroy the tile encoder */
2463 tcd_free_encode(tcd);
2464 tcd_destroy(tcd);
2465  
2466 opj_free(j2k->cur_totnum_tp);
2467  
2468 j2k_write_eoc(j2k);
2469  
2470 if(cstr_info) {
2471 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2472 /* UniPG>> */
2473 /* The following adjustment is done to adjust the codestream size */
2474 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2475 /* the first bunch of bytes is not in the codestream */
2476 cstr_info->codestream_size -= cstr_info->main_head_start;
2477 /* <<UniPG */
2478 }
2479  
2480 #ifdef USE_JPWL
2481 /*
2482 preparation of JPWL marker segments
2483 */
2484 if(cp->epc_on) {
2485  
2486 /* encode according to JPWL */
2487 jpwl_encode(j2k, cio, image);
2488  
2489 }
2490 #endif /* USE_JPWL */
2491  
2492 return OPJ_TRUE;
2493 }
2494  
2495 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2496  
2497 if (!cstr_info)
2498 return;
2499  
2500 /* expand the list? */
2501 if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2502 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2503 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2504 }
2505  
2506 /* add the marker */
2507 cstr_info->marker[cstr_info->marknum].type = type;
2508 cstr_info->marker[cstr_info->marknum].pos = pos;
2509 cstr_info->marker[cstr_info->marknum].len = len;
2510 cstr_info->marknum++;
2511  
2512 }
2513  
2514 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2515  
2516 opj_marker_info_t *marker;
2517  
2518 if (!cstr_info)
2519 return;
2520  
2521 /* expand the list? */
2522 if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2523 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2524 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2525 }
2526  
2527 marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2528  
2529 /* add the marker */
2530 marker->type = type;
2531 marker->pos = pos;
2532 marker->len = len;
2533 cstr_info->tile[tileno].marknum++;
2534 }