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 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
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.
19 *
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.
31 */
32
33 #include "opj_includes.h"
34
35 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
36 /*@{*/
37
38 /** @name Local static functions */
39 /*@{*/
40
41 /**
42 Write the SOC marker (Start Of Codestream)
43 @param j2k J2K handle
44 */
45 static void j2k_write_soc(opj_j2k_t *j2k);
46 /**
47 Read the SOC marker (Start of Codestream)
48 @param j2k J2K handle
49 */
50 static void j2k_read_soc(opj_j2k_t *j2k);
51 /**
52 Write the SIZ marker (image and tile size)
53 @param j2k J2K handle
54 */
55 static void j2k_write_siz(opj_j2k_t *j2k);
56 /**
57 Read the SIZ marker (image and tile size)
58 @param j2k J2K handle
59 */
60 static void j2k_read_siz(opj_j2k_t *j2k);
61 /**
62 Write the COM marker (comment)
63 @param j2k J2K handle
64 */
65 static void j2k_write_com(opj_j2k_t *j2k);
66 /**
67 Read the COM marker (comment)
68 @param j2k J2K handle
69 */
70 static void j2k_read_com(opj_j2k_t *j2k);
71 /**
72 Write the value concerning the specified component in the marker COD and COC
73 @param j2k J2K handle
74 @param compno Number of the component concerned by the information written
75 */
76 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
77 /**
78 Read the value concerning the specified component in the marker COD and COC
79 @param j2k J2K handle
80 @param compno Number of the component concerned by the information read
81 */
82 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
83 /**
84 Write the COD marker (coding style default)
85 @param j2k J2K handle
86 */
87 static void j2k_write_cod(opj_j2k_t *j2k);
88 /**
89 Read the COD marker (coding style default)
90 @param j2k J2K handle
91 */
92 static void j2k_read_cod(opj_j2k_t *j2k);
93 /**
94 Write the COC marker (coding style component)
95 @param j2k J2K handle
96 @param compno Number of the component concerned by the information written
97 */
98 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
99 /**
100 Read the COC marker (coding style component)
101 @param j2k J2K handle
102 */
103 static void j2k_read_coc(opj_j2k_t *j2k);
104 /**
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
108 */
109 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
110 /**
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
115 */
116 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
117 /**
118 Write the QCD marker (quantization default)
119 @param j2k J2K handle
120 */
121 static void j2k_write_qcd(opj_j2k_t *j2k);
122 /**
123 Read the QCD marker (quantization default)
124 @param j2k J2K handle
125 */
126 static void j2k_read_qcd(opj_j2k_t *j2k);
127 /**
128 Write the QCC marker (quantization component)
129 @param j2k J2K handle
130 @param compno Number of the component concerned by the information written
131 */
132 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
133 /**
134 Read the QCC marker (quantization component)
135 @param j2k J2K handle
136 */
137 static void j2k_read_qcc(opj_j2k_t *j2k);
138 /**
139 Write the POC marker (progression order change)
140 @param j2k J2K handle
141 */
142 static void j2k_write_poc(opj_j2k_t *j2k);
143 /**
144 Read the POC marker (progression order change)
145 @param j2k J2K handle
146 */
147 static void j2k_read_poc(opj_j2k_t *j2k);
148 /**
149 Read the CRG marker (component registration)
150 @param j2k J2K handle
151 */
152 static void j2k_read_crg(opj_j2k_t *j2k);
153 /**
154 Read the TLM marker (tile-part lengths)
155 @param j2k J2K handle
156 */
157 static void j2k_read_tlm(opj_j2k_t *j2k);
158 /**
159 Read the PLM marker (packet length, main header)
160 @param j2k J2K handle
161 */
162 static void j2k_read_plm(opj_j2k_t *j2k);
163 /**
164 Read the PLT marker (packet length, tile-part header)
165 @param j2k J2K handle
166 */
167 static void j2k_read_plt(opj_j2k_t *j2k);
168 /**
169 Read the PPM marker (packet packet headers, main header)
170 @param j2k J2K handle
171 */
172 static void j2k_read_ppm(opj_j2k_t *j2k);
173 /**
174 Read the PPT marker (packet packet headers, tile-part header)
175 @param j2k J2K handle
176 */
177 static void j2k_read_ppt(opj_j2k_t *j2k);
178 /**
179 Write the TLM marker (Mainheader)
180 @param j2k J2K handle
181 */
182 static void j2k_write_tlm(opj_j2k_t *j2k);
183 /**
184 Write the SOT marker (start of tile-part)
185 @param j2k J2K handle
186 */
187 static void j2k_write_sot(opj_j2k_t *j2k);
188 /**
189 Read the SOT marker (start of tile-part)
190 @param j2k J2K handle
191 */
192 static void j2k_read_sot(opj_j2k_t *j2k);
193 /**
194 Write the SOD marker (start of data)
195 @param j2k J2K handle
196 @param tile_coder Pointer to a TCD handle
197 */
198 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
199 /**
200 Read the SOD marker (start of data)
201 @param j2k J2K handle
202 */
203 static void j2k_read_sod(opj_j2k_t *j2k);
204 /**
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
209 */
210 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
211 /**
212 Read the RGN marker (region-of-interest)
213 @param j2k J2K handle
214 */
215 static void j2k_read_rgn(opj_j2k_t *j2k);
216 /**
217 Write the EOC marker (end of codestream)
218 @param j2k J2K handle
219 */
220 static void j2k_write_eoc(opj_j2k_t *j2k);
221 /**
222 Read the EOC marker (end of codestream)
223 @param j2k J2K handle
224 */
225 static void j2k_read_eoc(opj_j2k_t *j2k);
226 /**
227 Read an unknown marker
228 @param j2k J2K handle
229 */
230 static void j2k_read_unk(opj_j2k_t *j2k);
231
232 /*@}*/
233
234 /*@}*/
235
236 /* ----------------------------------------------------------------------- */
237 typedef struct j2k_prog_order{
238 OPJ_PROG_ORDER enum_prog;
239 char str_prog[4];
240 }j2k_prog_order_t;
241
242 j2k_prog_order_t j2k_prog_order_list[] = {
243 {CPRL, "CPRL"},
244 {LRCP, "LRCP"},
245 {PCRL, "PCRL"},
246 {RLCP, "RLCP"},
247 {RPCL, "RPCL"},
248 {(OPJ_PROG_ORDER)-1, ""}
249 };
250
j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)251 char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
252 j2k_prog_order_t *po;
253 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
254 if(po->enum_prog == prg_order){
255 break;
256 }
257 }
258 return po->str_prog;
259 }
260
261 /* ----------------------------------------------------------------------- */
j2k_get_num_tp(opj_cp_t * cp,int pino,int tileno)262 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
263 char *prog;
264 int i;
265 int tpnum=1,tpend=0;
266 opj_tcp_t *tcp = &cp->tcps[tileno];
267 prog = j2k_convert_progression_order(tcp->prg);
268
269 if(cp->tp_on == 1){
270 for(i=0;i<4;i++){
271 if(tpend!=1){
272 if( cp->tp_flag == prog[i] ){
273 tpend=1;cp->tp_pos=i;
274 }
275 switch(prog[i]){
276 case 'C':
277 tpnum= tpnum * tcp->pocs[pino].compE;
278 break;
279 case 'R':
280 tpnum= tpnum * tcp->pocs[pino].resE;
281 break;
282 case 'P':
283 tpnum= tpnum * tcp->pocs[pino].prcE;
284 break;
285 case 'L':
286 tpnum= tpnum * tcp->pocs[pino].layE;
287 break;
288 }
289 }
290 }
291 }else{
292 tpnum=1;
293 }
294 return tpnum;
295 }
296
297 /** mem allocation for TLM marker*/
j2k_calculate_tp(opj_cp_t * cp,int img_numcomp,opj_image_t * image,opj_j2k_t * j2k)298 int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
299 int pino,tileno,totnum_tp=0;
300 j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
301 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
302 int cur_totnum_tp = 0;
303 opj_tcp_t *tcp = &cp->tcps[tileno];
304 for(pino = 0; pino <= tcp->numpocs; pino++) {
305 int tp_num=0;
306 opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
307 if(!pi) { return -1;}
308 tp_num = j2k_get_num_tp(cp,pino,tileno);
309 totnum_tp = totnum_tp + tp_num;
310 cur_totnum_tp = cur_totnum_tp + tp_num;
311 pi_destroy(pi, cp, tileno);
312 }
313 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
314 /* INDEX >> */
315 if (j2k->cstr_info) {
316 j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp;
317 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
318 }
319 /* << INDEX */
320 }
321 return totnum_tp;
322 }
323
j2k_write_soc(opj_j2k_t * j2k)324 static void j2k_write_soc(opj_j2k_t *j2k) {
325 opj_cio_t *cio = j2k->cio;
326 cio_write(cio, J2K_MS_SOC, 2);
327
328 /* UniPG>> */
329 #ifdef USE_JPWL
330
331 /* update markers struct */
332 j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
333
334 #endif /* USE_JPWL */
335 /* <<UniPG */
336 }
337
j2k_read_soc(opj_j2k_t * j2k)338 static void j2k_read_soc(opj_j2k_t *j2k) {
339 j2k->state = J2K_STATE_MHSIZ;
340 /* Index */
341 if (j2k->cstr_info) {
342 j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
343 j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
344 }
345 }
346
j2k_write_siz(opj_j2k_t * j2k)347 static void j2k_write_siz(opj_j2k_t *j2k) {
348 int i;
349 int lenp, len;
350
351 opj_cio_t *cio = j2k->cio;
352 opj_image_t *image = j2k->image;
353 opj_cp_t *cp = j2k->cp;
354
355 cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
356 lenp = cio_tell(cio);
357 cio_skip(cio, 2);
358 cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */
359 cio_write(cio, image->x1, 4); /* Xsiz */
360 cio_write(cio, image->y1, 4); /* Ysiz */
361 cio_write(cio, image->x0, 4); /* X0siz */
362 cio_write(cio, image->y0, 4); /* Y0siz */
363 cio_write(cio, cp->tdx, 4); /* XTsiz */
364 cio_write(cio, cp->tdy, 4); /* YTsiz */
365 cio_write(cio, cp->tx0, 4); /* XT0siz */
366 cio_write(cio, cp->ty0, 4); /* YT0siz */
367 cio_write(cio, image->numcomps, 2); /* Csiz */
368 for (i = 0; i < image->numcomps; i++) {
369 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */
370 cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */
371 cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */
372 }
373 len = cio_tell(cio) - lenp;
374 cio_seek(cio, lenp);
375 cio_write(cio, len, 2); /* Lsiz */
376 cio_seek(cio, lenp + len);
377 }
378
j2k_read_siz(opj_j2k_t * j2k)379 static void j2k_read_siz(opj_j2k_t *j2k) {
380 int len, i;
381
382 opj_cio_t *cio = j2k->cio;
383 opj_image_t *image = j2k->image;
384 opj_cp_t *cp = j2k->cp;
385
386 len = cio_read(cio, 2); /* Lsiz */
387 cio_read(cio, 2); /* Rsiz (capabilities) */
388 image->x1 = cio_read(cio, 4); /* Xsiz */
389 image->y1 = cio_read(cio, 4); /* Ysiz */
390 image->x0 = cio_read(cio, 4); /* X0siz */
391 image->y0 = cio_read(cio, 4); /* Y0siz */
392 cp->tdx = cio_read(cio, 4); /* XTsiz */
393 cp->tdy = cio_read(cio, 4); /* YTsiz */
394 cp->tx0 = cio_read(cio, 4); /* XT0siz */
395 cp->ty0 = cio_read(cio, 4); /* YT0siz */
396
397 if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
398 opj_event_msg(j2k->cinfo, EVT_ERROR,
399 "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
400 image->x0,image->x1,image->y0,image->y1);
401 return;
402 }
403
404 image->numcomps = cio_read(cio, 2); /* Csiz */
405
406 #ifdef USE_JPWL
407 if (j2k->cp->correct) {
408 /* if JPWL is on, we check whether TX errors have damaged
409 too much the SIZ parameters */
410 if (!(image->x1 * image->y1)) {
411 opj_event_msg(j2k->cinfo, EVT_ERROR,
412 "JPWL: bad image size (%d x %d)\n",
413 image->x1, image->y1);
414 if (!JPWL_ASSUME || JPWL_ASSUME) {
415 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
416 return;
417 }
418 }
419 if (image->numcomps != ((len - 38) / 3)) {
420 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
421 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
422 image->numcomps, ((len - 38) / 3));
423 if (!JPWL_ASSUME) {
424 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
425 return;
426 }
427 /* we try to correct */
428 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
429 if (image->numcomps < ((len - 38) / 3)) {
430 len = 38 + 3 * image->numcomps;
431 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
432 len);
433 } else {
434 image->numcomps = ((len - 38) / 3);
435 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
436 image->numcomps);
437 }
438 }
439
440 /* update components number in the jpwl_exp_comps filed */
441 cp->exp_comps = image->numcomps;
442 }
443 #endif /* USE_JPWL */
444
445 image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
446 for (i = 0; i < image->numcomps; i++) {
447 int tmp, w, h;
448 tmp = cio_read(cio, 1); /* Ssiz_i */
449 image->comps[i].prec = (tmp & 0x7f) + 1;
450 image->comps[i].sgnd = tmp >> 7;
451 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
452 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
453
454 #ifdef USE_JPWL
455 if (j2k->cp->correct) {
456 /* if JPWL is on, we check whether TX errors have damaged
457 too much the SIZ parameters, again */
458 if (!(image->comps[i].dx * image->comps[i].dy)) {
459 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
460 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
461 i, i, image->comps[i].dx, image->comps[i].dy);
462 if (!JPWL_ASSUME) {
463 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
464 return;
465 }
466 /* we try to correct */
467 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
468 if (!image->comps[i].dx) {
469 image->comps[i].dx = 1;
470 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
471 i, image->comps[i].dx);
472 }
473 if (!image->comps[i].dy) {
474 image->comps[i].dy = 1;
475 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
476 i, image->comps[i].dy);
477 }
478 }
479
480 }
481 #endif /* USE_JPWL */
482
483 /* TODO: unused ? */
484 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
485 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
486
487 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
488 image->comps[i].factor = cp->reduce; /* reducing factor per component */
489 }
490
491 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
492 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
493
494 #ifdef USE_JPWL
495 if (j2k->cp->correct) {
496 /* if JPWL is on, we check whether TX errors have damaged
497 too much the SIZ parameters */
498 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
499 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
500 "JPWL: bad number of tiles (%d x %d)\n",
501 cp->tw, cp->th);
502 if (!JPWL_ASSUME) {
503 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
504 return;
505 }
506 /* we try to correct */
507 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
508 if (cp->tw < 1) {
509 cp->tw= 1;
510 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
511 cp->tw);
512 }
513 if (cp->tw > cp->max_tiles) {
514 cp->tw= 1;
515 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
516 "- setting %d tiles in x => HYPOTHESIS!!!\n",
517 cp->max_tiles, cp->tw);
518 }
519 if (cp->th < 1) {
520 cp->th= 1;
521 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
522 cp->th);
523 }
524 if (cp->th > cp->max_tiles) {
525 cp->th= 1;
526 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
527 "- setting %d tiles in y => HYPOTHESIS!!!\n",
528 cp->max_tiles, cp->th);
529 }
530 }
531 }
532 #endif /* USE_JPWL */
533
534 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
535 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
536 cp->tileno_size = 0;
537
538 #ifdef USE_JPWL
539 if (j2k->cp->correct) {
540 if (!cp->tcps) {
541 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
542 "JPWL: could not alloc tcps field of cp\n");
543 if (!JPWL_ASSUME || JPWL_ASSUME) {
544 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
545 return;
546 }
547 }
548 }
549 #endif /* USE_JPWL */
550
551 for (i = 0; i < cp->tw * cp->th; i++) {
552 cp->tcps[i].POC = 0;
553 cp->tcps[i].numpocs = 0;
554 cp->tcps[i].first = 1;
555 }
556
557 /* Initialization for PPM marker */
558 cp->ppm = 0;
559 cp->ppm_data = NULL;
560 cp->ppm_data_first = NULL;
561 cp->ppm_previous = 0;
562 cp->ppm_store = 0;
563
564 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
565 for (i = 0; i < cp->tw * cp->th; i++) {
566 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
567 }
568 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
569 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
570 j2k->state = J2K_STATE_MH;
571
572 /* Index */
573 if (j2k->cstr_info) {
574 opj_codestream_info_t *cstr_info = j2k->cstr_info;
575 cstr_info->image_w = image->x1 - image->x0;
576 cstr_info->image_h = image->y1 - image->y0;
577 cstr_info->numcomps = image->numcomps;
578 cstr_info->tw = cp->tw;
579 cstr_info->th = cp->th;
580 cstr_info->tile_x = cp->tdx;
581 cstr_info->tile_y = cp->tdy;
582 cstr_info->tile_Ox = cp->tx0;
583 cstr_info->tile_Oy = cp->ty0;
584 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
585 }
586 }
587
j2k_write_com(opj_j2k_t * j2k)588 static void j2k_write_com(opj_j2k_t *j2k) {
589 unsigned int i;
590 int lenp, len;
591
592 if(j2k->cp->comment) {
593 opj_cio_t *cio = j2k->cio;
594 char *comment = j2k->cp->comment;
595
596 cio_write(cio, J2K_MS_COM, 2);
597 lenp = cio_tell(cio);
598 cio_skip(cio, 2);
599 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
600 for (i = 0; i < strlen(comment); i++) {
601 cio_write(cio, comment[i], 1);
602 }
603 len = cio_tell(cio) - lenp;
604 cio_seek(cio, lenp);
605 cio_write(cio, len, 2);
606 cio_seek(cio, lenp + len);
607 }
608 }
609
j2k_read_com(opj_j2k_t * j2k)610 static void j2k_read_com(opj_j2k_t *j2k) {
611 int len;
612
613 opj_cio_t *cio = j2k->cio;
614
615 len = cio_read(cio, 2);
616 cio_skip(cio, len - 2);
617 }
618
j2k_write_cox(opj_j2k_t * j2k,int compno)619 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
620 int i;
621
622 opj_cp_t *cp = j2k->cp;
623 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
624 opj_tccp_t *tccp = &tcp->tccps[compno];
625 opj_cio_t *cio = j2k->cio;
626
627 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
628 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
629 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
630 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
631 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
632
633 if (tccp->csty & J2K_CCP_CSTY_PRT) {
634 for (i = 0; i < tccp->numresolutions; i++) {
635 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
636 }
637 }
638 }
639
j2k_read_cox(opj_j2k_t * j2k,int compno)640 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
641 int i;
642
643 opj_cp_t *cp = j2k->cp;
644 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
645 opj_tccp_t *tccp = &tcp->tccps[compno];
646 opj_cio_t *cio = j2k->cio;
647
648 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
649
650 // If user wants to remove more resolutions than the codestream contains, return error
651 if (cp->reduce >= tccp->numresolutions) {
652 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
653 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
654 j2k->state |= J2K_STATE_ERR;
655 }
656
657 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
658 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
659 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
660 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
661 if (tccp->csty & J2K_CP_CSTY_PRT) {
662 for (i = 0; i < tccp->numresolutions; i++) {
663 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
664 tccp->prcw[i] = tmp & 0xf;
665 tccp->prch[i] = tmp >> 4;
666 }
667 }
668
669 /* INDEX >> */
670 if(j2k->cstr_info && compno == 0) {
671 for (i = 0; i < tccp->numresolutions; i++) {
672 if (tccp->csty & J2K_CP_CSTY_PRT) {
673 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
674 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
675 }
676 else {
677 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
678 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
679 }
680 }
681 }
682 /* << INDEX */
683 }
684
j2k_write_cod(opj_j2k_t * j2k)685 static void j2k_write_cod(opj_j2k_t *j2k) {
686 opj_cp_t *cp = NULL;
687 opj_tcp_t *tcp = NULL;
688 int lenp, len;
689
690 opj_cio_t *cio = j2k->cio;
691
692 cio_write(cio, J2K_MS_COD, 2); /* COD */
693
694 lenp = cio_tell(cio);
695 cio_skip(cio, 2);
696
697 cp = j2k->cp;
698 tcp = &cp->tcps[j2k->curtileno];
699
700 cio_write(cio, tcp->csty, 1); /* Scod */
701 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
702 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
703 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
704
705 j2k_write_cox(j2k, 0);
706 len = cio_tell(cio) - lenp;
707 cio_seek(cio, lenp);
708 cio_write(cio, len, 2); /* Lcod */
709 cio_seek(cio, lenp + len);
710 }
711
j2k_read_cod(opj_j2k_t * j2k)712 static void j2k_read_cod(opj_j2k_t *j2k) {
713 int len, i, pos;
714
715 opj_cio_t *cio = j2k->cio;
716 opj_cp_t *cp = j2k->cp;
717 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
718 opj_image_t *image = j2k->image;
719
720 len = cio_read(cio, 2); /* Lcod */
721 tcp->csty = cio_read(cio, 1); /* Scod */
722 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
723 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
724 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
725
726 pos = cio_tell(cio);
727 for (i = 0; i < image->numcomps; i++) {
728 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
729 cio_seek(cio, pos);
730 j2k_read_cox(j2k, i);
731 }
732
733 /* Index */
734 if (j2k->cstr_info) {
735 opj_codestream_info_t *cstr_info = j2k->cstr_info;
736 cstr_info->prog = tcp->prg;
737 cstr_info->numlayers = tcp->numlayers;
738 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
739 for (i = 0; i < image->numcomps; i++) {
740 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
741 }
742 }
743 }
744
j2k_write_coc(opj_j2k_t * j2k,int compno)745 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
746 int lenp, len;
747
748 opj_cp_t *cp = j2k->cp;
749 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
750 opj_image_t *image = j2k->image;
751 opj_cio_t *cio = j2k->cio;
752
753 cio_write(cio, J2K_MS_COC, 2); /* COC */
754 lenp = cio_tell(cio);
755 cio_skip(cio, 2);
756 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
757 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
758 j2k_write_cox(j2k, compno);
759 len = cio_tell(cio) - lenp;
760 cio_seek(cio, lenp);
761 cio_write(cio, len, 2); /* Lcoc */
762 cio_seek(cio, lenp + len);
763 }
764
j2k_read_coc(opj_j2k_t * j2k)765 static void j2k_read_coc(opj_j2k_t *j2k) {
766 int len, compno;
767
768 opj_cp_t *cp = j2k->cp;
769 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
770 opj_image_t *image = j2k->image;
771 opj_cio_t *cio = j2k->cio;
772
773 len = cio_read(cio, 2); /* Lcoc */
774 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
775 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
776 j2k_read_cox(j2k, compno);
777 }
778
j2k_write_qcx(opj_j2k_t * j2k,int compno)779 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
780 int bandno, numbands;
781 int expn, mant;
782
783 opj_cp_t *cp = j2k->cp;
784 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
785 opj_tccp_t *tccp = &tcp->tccps[compno];
786 opj_cio_t *cio = j2k->cio;
787
788 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
789 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
790
791 for (bandno = 0; bandno < numbands; bandno++) {
792 expn = tccp->stepsizes[bandno].expn;
793 mant = tccp->stepsizes[bandno].mant;
794
795 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
796 cio_write(cio, expn << 3, 1); /* SPqcx_i */
797 } else {
798 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
799 }
800 }
801 }
802
j2k_read_qcx(opj_j2k_t * j2k,int compno,int len)803 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
804 int tmp;
805 int bandno, numbands;
806
807 opj_cp_t *cp = j2k->cp;
808 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
809 opj_tccp_t *tccp = &tcp->tccps[compno];
810 opj_cio_t *cio = j2k->cio;
811
812 tmp = cio_read(cio, 1); /* Sqcx */
813 tccp->qntsty = tmp & 0x1f;
814 tccp->numgbits = tmp >> 5;
815 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
816 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
817
818 #ifdef USE_JPWL
819 if (j2k->cp->correct) {
820
821 /* if JPWL is on, we check whether there are too many subbands */
822 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
823 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
824 "JPWL: bad number of subbands in Sqcx (%d)\n",
825 numbands);
826 if (!JPWL_ASSUME) {
827 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
828 return;
829 }
830 /* we try to correct */
831 numbands = 1;
832 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
833 "- setting number of bands to %d => HYPOTHESIS!!!\n",
834 numbands);
835 };
836
837 };
838 #endif /* USE_JPWL */
839
840 for (bandno = 0; bandno < numbands; bandno++) {
841 int expn, mant;
842 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
843 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
844 mant = 0;
845 } else {
846 tmp = cio_read(cio, 2); /* SPqcx_i */
847 expn = tmp >> 11;
848 mant = tmp & 0x7ff;
849 }
850 tccp->stepsizes[bandno].expn = expn;
851 tccp->stepsizes[bandno].mant = mant;
852 }
853
854 /* Add Antonin : if scalar_derived -> compute other stepsizes */
855 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
856 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
857 tccp->stepsizes[bandno].expn =
858 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
859 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
860 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
861 }
862 }
863 /* ddA */
864 }
865
j2k_write_qcd(opj_j2k_t * j2k)866 static void j2k_write_qcd(opj_j2k_t *j2k) {
867 int lenp, len;
868
869 opj_cio_t *cio = j2k->cio;
870
871 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
872 lenp = cio_tell(cio);
873 cio_skip(cio, 2);
874 j2k_write_qcx(j2k, 0);
875 len = cio_tell(cio) - lenp;
876 cio_seek(cio, lenp);
877 cio_write(cio, len, 2); /* Lqcd */
878 cio_seek(cio, lenp + len);
879 }
880
j2k_read_qcd(opj_j2k_t * j2k)881 static void j2k_read_qcd(opj_j2k_t *j2k) {
882 int len, i, pos;
883
884 opj_cio_t *cio = j2k->cio;
885 opj_image_t *image = j2k->image;
886
887 len = cio_read(cio, 2); /* Lqcd */
888 pos = cio_tell(cio);
889 for (i = 0; i < image->numcomps; i++) {
890 cio_seek(cio, pos);
891 j2k_read_qcx(j2k, i, len - 2);
892 }
893 }
894
j2k_write_qcc(opj_j2k_t * j2k,int compno)895 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
896 int lenp, len;
897
898 opj_cio_t *cio = j2k->cio;
899
900 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
901 lenp = cio_tell(cio);
902 cio_skip(cio, 2);
903 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
904 j2k_write_qcx(j2k, compno);
905 len = cio_tell(cio) - lenp;
906 cio_seek(cio, lenp);
907 cio_write(cio, len, 2); /* Lqcc */
908 cio_seek(cio, lenp + len);
909 }
910
j2k_read_qcc(opj_j2k_t * j2k)911 static void j2k_read_qcc(opj_j2k_t *j2k) {
912 int len, compno;
913 int numcomp = j2k->image->numcomps;
914 opj_cio_t *cio = j2k->cio;
915
916 len = cio_read(cio, 2); /* Lqcc */
917 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
918
919 #ifdef USE_JPWL
920 if (j2k->cp->correct) {
921
922 static int backup_compno = 0;
923
924 /* compno is negative or larger than the number of components!!! */
925 if ((compno < 0) || (compno >= numcomp)) {
926 opj_event_msg(j2k->cinfo, EVT_ERROR,
927 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
928 compno, numcomp);
929 if (!JPWL_ASSUME) {
930 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
931 return;
932 }
933 /* we try to correct */
934 compno = backup_compno % numcomp;
935 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
936 "- setting component number to %d\n",
937 compno);
938 }
939
940 /* keep your private count of tiles */
941 backup_compno++;
942 };
943 #endif /* USE_JPWL */
944
945 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
946 }
947
j2k_write_poc(opj_j2k_t * j2k)948 static void j2k_write_poc(opj_j2k_t *j2k) {
949 int len, numpchgs, i;
950
951 int numcomps = j2k->image->numcomps;
952
953 opj_cp_t *cp = j2k->cp;
954 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
955 opj_tccp_t *tccp = &tcp->tccps[0];
956 opj_cio_t *cio = j2k->cio;
957
958 numpchgs = 1 + tcp->numpocs;
959 cio_write(cio, J2K_MS_POC, 2); /* POC */
960 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
961 cio_write(cio, len, 2); /* Lpoc */
962 for (i = 0; i < numpchgs; i++) {
963 opj_poc_t *poc = &tcp->pocs[i];
964 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
965 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
966 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
967 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
968 cio_write(cio, poc->resno1, 1); /* REpoc_i */
969 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
970 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
971 poc->compno1 = int_min(poc->compno1, numcomps);
972 cio_write(cio, poc->prg, 1); /* Ppoc_i */
973 }
974 }
975
j2k_read_poc(opj_j2k_t * j2k)976 static void j2k_read_poc(opj_j2k_t *j2k) {
977 int len, numpchgs, i, old_poc;
978
979 int numcomps = j2k->image->numcomps;
980
981 opj_cp_t *cp = j2k->cp;
982 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
983 opj_cio_t *cio = j2k->cio;
984
985 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
986 tcp->POC = 1;
987 len = cio_read(cio, 2); /* Lpoc */
988 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
989
990 for (i = old_poc; i < numpchgs + old_poc; i++) {
991 opj_poc_t *poc;
992 poc = &tcp->pocs[i];
993 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
994 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
995 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
996 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
997 poc->compno1 = int_min(
998 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
999 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1000 }
1001
1002 tcp->numpocs = numpchgs + old_poc - 1;
1003 }
1004
j2k_read_crg(opj_j2k_t * j2k)1005 static void j2k_read_crg(opj_j2k_t *j2k) {
1006 int len, i, Xcrg_i, Ycrg_i;
1007
1008 opj_cio_t *cio = j2k->cio;
1009 int numcomps = j2k->image->numcomps;
1010
1011 len = cio_read(cio, 2); /* Lcrg */
1012 for (i = 0; i < numcomps; i++) {
1013 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1014 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1015 }
1016 }
1017
j2k_read_tlm(opj_j2k_t * j2k)1018 static void j2k_read_tlm(opj_j2k_t *j2k) {
1019 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1020 long int Ttlm_i, Ptlm_i;
1021
1022 opj_cio_t *cio = j2k->cio;
1023
1024 len = cio_read(cio, 2); /* Ltlm */
1025 Ztlm = cio_read(cio, 1); /* Ztlm */
1026 Stlm = cio_read(cio, 1); /* Stlm */
1027 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1028 SP = (Stlm >> 6) & 0x01;
1029 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1030 for (i = 0; i < tile_tlm; i++) {
1031 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1032 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1033 }
1034 }
1035
j2k_read_plm(opj_j2k_t * j2k)1036 static void j2k_read_plm(opj_j2k_t *j2k) {
1037 int len, i, Zplm, Nplm, add, packet_len = 0;
1038
1039 opj_cio_t *cio = j2k->cio;
1040
1041 len = cio_read(cio, 2); /* Lplm */
1042 Zplm = cio_read(cio, 1); /* Zplm */
1043 len -= 3;
1044 while (len > 0) {
1045 Nplm = cio_read(cio, 4); /* Nplm */
1046 len -= 4;
1047 for (i = Nplm; i > 0; i--) {
1048 add = cio_read(cio, 1);
1049 len--;
1050 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1051 if ((add & 0x80) == 0) {
1052 /* New packet */
1053 packet_len = 0;
1054 }
1055 if (len <= 0)
1056 break;
1057 }
1058 }
1059 }
1060
j2k_read_plt(opj_j2k_t * j2k)1061 static void j2k_read_plt(opj_j2k_t *j2k) {
1062 int len, i, Zplt, packet_len = 0, add;
1063
1064 opj_cio_t *cio = j2k->cio;
1065
1066 len = cio_read(cio, 2); /* Lplt */
1067 Zplt = cio_read(cio, 1); /* Zplt */
1068 for (i = len - 3; i > 0; i--) {
1069 add = cio_read(cio, 1);
1070 packet_len = (packet_len << 7) + add; /* Iplt_i */
1071 if ((add & 0x80) == 0) {
1072 /* New packet */
1073 packet_len = 0;
1074 }
1075 }
1076 }
1077
j2k_read_ppm(opj_j2k_t * j2k)1078 static void j2k_read_ppm(opj_j2k_t *j2k) {
1079 int len, Z_ppm, i, j;
1080 int N_ppm;
1081
1082 opj_cp_t *cp = j2k->cp;
1083 opj_cio_t *cio = j2k->cio;
1084
1085 len = cio_read(cio, 2);
1086 cp->ppm = 1;
1087
1088 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1089 len -= 3;
1090 while (len > 0) {
1091 if (cp->ppm_previous == 0) {
1092 N_ppm = cio_read(cio, 4); /* N_ppm */
1093 len -= 4;
1094 } else {
1095 N_ppm = cp->ppm_previous;
1096 }
1097 j = cp->ppm_store;
1098 if (Z_ppm == 0) { /* First PPM marker */
1099 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1100 cp->ppm_data_first = cp->ppm_data;
1101 cp->ppm_len = N_ppm;
1102 } else { /* NON-first PPM marker */
1103 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1104
1105 #ifdef USE_JPWL
1106 /* this memory allocation check could be done even in non-JPWL cases */
1107 if (cp->correct) {
1108 if (!cp->ppm_data) {
1109 opj_event_msg(j2k->cinfo, EVT_ERROR,
1110 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1111 cio_tell(cio));
1112 if (!JPWL_ASSUME || JPWL_ASSUME) {
1113 opj_free(cp->ppm_data);
1114 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1115 return;
1116 }
1117 }
1118 }
1119 #endif
1120
1121 cp->ppm_data_first = cp->ppm_data;
1122 cp->ppm_len = N_ppm + cp->ppm_store;
1123 }
1124 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1125 cp->ppm_data[j] = cio_read(cio, 1);
1126 j++;
1127 len--;
1128 if (len == 0)
1129 break; /* Case of non-finished packet header in present marker but finished in next one */
1130 }
1131 cp->ppm_previous = i - 1;
1132 cp->ppm_store = j;
1133 }
1134 }
1135
j2k_read_ppt(opj_j2k_t * j2k)1136 static void j2k_read_ppt(opj_j2k_t *j2k) {
1137 int len, Z_ppt, i, j = 0;
1138
1139 opj_cp_t *cp = j2k->cp;
1140 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1141 opj_cio_t *cio = j2k->cio;
1142
1143 len = cio_read(cio, 2);
1144 Z_ppt = cio_read(cio, 1);
1145 tcp->ppt = 1;
1146 if (Z_ppt == 0) { /* First PPT marker */
1147 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1148 tcp->ppt_data_first = tcp->ppt_data;
1149 tcp->ppt_store = 0;
1150 tcp->ppt_len = len - 3;
1151 } else { /* NON-first PPT marker */
1152 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1153 tcp->ppt_data_first = tcp->ppt_data;
1154 tcp->ppt_len = len - 3 + tcp->ppt_store;
1155 }
1156 j = tcp->ppt_store;
1157 for (i = len - 3; i > 0; i--) {
1158 tcp->ppt_data[j] = cio_read(cio, 1);
1159 j++;
1160 }
1161 tcp->ppt_store = j;
1162 }
1163
j2k_write_tlm(opj_j2k_t * j2k)1164 static void j2k_write_tlm(opj_j2k_t *j2k){
1165 int lenp;
1166 opj_cio_t *cio = j2k->cio;
1167 j2k->tlm_start = cio_tell(cio);
1168 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1169 lenp = 4 + (5*j2k->totnum_tp);
1170 cio_write(cio,lenp,2); /* Ltlm */
1171 cio_write(cio, 0,1); /* Ztlm=0*/
1172 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1173 cio_skip(cio,5*j2k->totnum_tp);
1174 }
1175
j2k_write_sot(opj_j2k_t * j2k)1176 static void j2k_write_sot(opj_j2k_t *j2k) {
1177 int lenp, len;
1178
1179 opj_cio_t *cio = j2k->cio;
1180
1181 j2k->sot_start = cio_tell(cio);
1182 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1183 lenp = cio_tell(cio);
1184 cio_skip(cio, 2); /* Lsot (further) */
1185 cio_write(cio, j2k->curtileno, 2); /* Isot */
1186 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1187 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1188 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1189 len = cio_tell(cio) - lenp;
1190 cio_seek(cio, lenp);
1191 cio_write(cio, len, 2); /* Lsot */
1192 cio_seek(cio, lenp + len);
1193
1194 /* UniPG>> */
1195 #ifdef USE_JPWL
1196 /* update markers struct */
1197 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1198 #endif /* USE_JPWL */
1199 /* <<UniPG */
1200 }
1201
j2k_read_sot(opj_j2k_t * j2k)1202 static void j2k_read_sot(opj_j2k_t *j2k) {
1203 int len, tileno, totlen, partno, numparts, i;
1204 opj_tcp_t *tcp = NULL;
1205 char status = 0;
1206
1207 opj_cp_t *cp = j2k->cp;
1208 opj_cio_t *cio = j2k->cio;
1209
1210 len = cio_read(cio, 2);
1211 tileno = cio_read(cio, 2);
1212
1213 #ifdef USE_JPWL
1214 if (j2k->cp->correct) {
1215
1216 static int backup_tileno = 0;
1217
1218 /* tileno is negative or larger than the number of tiles!!! */
1219 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1220 opj_event_msg(j2k->cinfo, EVT_ERROR,
1221 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1222 tileno, (cp->tw * cp->th));
1223 if (!JPWL_ASSUME) {
1224 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1225 return;
1226 }
1227 /* we try to correct */
1228 tileno = backup_tileno;
1229 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1230 "- setting tile number to %d\n",
1231 tileno);
1232 }
1233
1234 /* keep your private count of tiles */
1235 backup_tileno++;
1236 };
1237 #endif /* USE_JPWL */
1238
1239 if (cp->tileno_size == 0) {
1240 cp->tileno[cp->tileno_size] = tileno;
1241 cp->tileno_size++;
1242 } else {
1243 i = 0;
1244 while (i < cp->tileno_size && status == 0) {
1245 status = cp->tileno[i] == tileno ? 1 : 0;
1246 i++;
1247 }
1248 if (status == 0) {
1249 cp->tileno[cp->tileno_size] = tileno;
1250 cp->tileno_size++;
1251 }
1252 }
1253
1254 totlen = cio_read(cio, 4);
1255
1256 #ifdef USE_JPWL
1257 if (j2k->cp->correct) {
1258
1259 /* totlen is negative or larger than the bytes left!!! */
1260 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1261 opj_event_msg(j2k->cinfo, EVT_ERROR,
1262 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1263 totlen, cio_numbytesleft(cio) + 8);
1264 if (!JPWL_ASSUME) {
1265 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1266 return;
1267 }
1268 /* we try to correct */
1269 totlen = 0;
1270 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1271 "- setting Psot to %d => assuming it is the last tile\n",
1272 totlen);
1273 }
1274
1275 };
1276 #endif /* USE_JPWL */
1277
1278 if (!totlen)
1279 totlen = cio_numbytesleft(cio) + 8;
1280
1281 partno = cio_read(cio, 1);
1282 numparts = cio_read(cio, 1);
1283
1284 j2k->curtileno = tileno;
1285 j2k->cur_tp_num = partno;
1286 j2k->eot = cio_getbp(cio) - 12 + totlen;
1287 j2k->state = J2K_STATE_TPH;
1288 tcp = &cp->tcps[j2k->curtileno];
1289
1290 /* Index */
1291 if (j2k->cstr_info) {
1292 if (tcp->first) {
1293 if (tileno == 0)
1294 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1295 j2k->cstr_info->tile[tileno].tileno = tileno;
1296 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1297 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1298 j2k->cstr_info->tile[tileno].num_tps = numparts;
1299 if (numparts)
1300 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
1301 else
1302 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
1303 }
1304 else {
1305 j2k->cstr_info->tile[tileno].end_pos += totlen;
1306 }
1307 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1308 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1309 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1310 }
1311
1312 if (tcp->first == 1) {
1313 /* Initialization PPT */
1314 opj_tccp_t *tmp = tcp->tccps;
1315 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1316 tcp->ppt = 0;
1317 tcp->ppt_data = NULL;
1318 tcp->ppt_data_first = NULL;
1319 tcp->tccps = tmp;
1320
1321 for (i = 0; i < j2k->image->numcomps; i++) {
1322 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1323 }
1324 cp->tcps[j2k->curtileno].first = 0;
1325 }
1326 }
1327
j2k_write_sod(opj_j2k_t * j2k,void * tile_coder)1328 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1329 int l, layno;
1330 int totlen;
1331 opj_tcp_t *tcp = NULL;
1332 opj_codestream_info_t *cstr_info = NULL;
1333
1334 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1335 opj_cp_t *cp = j2k->cp;
1336 opj_cio_t *cio = j2k->cio;
1337
1338 tcd->tp_num = j2k->tp_num ;
1339 tcd->cur_tp_num = j2k->cur_tp_num;
1340
1341 cio_write(cio, J2K_MS_SOD, 2);
1342 if (j2k->curtileno == 0) {
1343 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1344 }
1345
1346 /* INDEX >> */
1347 cstr_info = j2k->cstr_info;
1348 if (cstr_info) {
1349 if (!j2k->cur_tp_num ) {
1350 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1351 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1352 }
1353 else{
1354 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1355 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1356 }
1357 /* UniPG>> */
1358 #ifdef USE_JPWL
1359 /* update markers struct */
1360 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1361 #endif /* USE_JPWL */
1362 /* <<UniPG */
1363 }
1364 /* << INDEX */
1365
1366 tcp = &cp->tcps[j2k->curtileno];
1367 for (layno = 0; layno < tcp->numlayers; layno++) {
1368 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1369 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1370 } else if (tcp->rates[layno]) {
1371 tcp->rates[layno]=1;
1372 }
1373 }
1374 if(j2k->cur_tp_num == 0){
1375 tcd->tcd_image->tiles->packno = 0;
1376 if(cstr_info)
1377 cstr_info->packno = 0;
1378 }
1379
1380 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1381
1382 /* Writing Psot in SOT marker */
1383 totlen = cio_tell(cio) + l - j2k->sot_start;
1384 cio_seek(cio, j2k->sot_start + 6);
1385 cio_write(cio, totlen, 4);
1386 cio_seek(cio, j2k->sot_start + totlen);
1387 /* Writing Ttlm and Ptlm in TLM marker */
1388 if(cp->cinema){
1389 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1390 cio_write(cio, j2k->curtileno, 1);
1391 cio_write(cio, totlen, 4);
1392 }
1393 cio_seek(cio, j2k->sot_start + totlen);
1394 }
1395
j2k_read_sod(opj_j2k_t * j2k)1396 static void j2k_read_sod(opj_j2k_t *j2k) {
1397 int len, truncate = 0, i;
1398 unsigned char *data = NULL, *data_ptr = NULL;
1399
1400 opj_cio_t *cio = j2k->cio;
1401 int curtileno = j2k->curtileno;
1402
1403 /* Index */
1404 if (j2k->cstr_info) {
1405 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1406 cio_tell(cio) + j2k->pos_correction - 1;
1407 if (j2k->cur_tp_num == 0)
1408 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1409 j2k->cstr_info->packno = 0;
1410 }
1411
1412 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1413
1414 if (len == cio_numbytesleft(cio) + 1) {
1415 truncate = 1; /* Case of a truncate codestream */
1416 }
1417
1418 data = j2k->tile_data[curtileno];
1419 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1420
1421 data_ptr = data + j2k->tile_len[curtileno];
1422 for (i = 0; i < len; i++) {
1423 data_ptr[i] = cio_read(cio, 1);
1424 }
1425
1426 j2k->tile_len[curtileno] += len;
1427 j2k->tile_data[curtileno] = data;
1428
1429 if (!truncate) {
1430 j2k->state = J2K_STATE_TPHSOT;
1431 } else {
1432 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1433 }
1434 j2k->cur_tp_num++;
1435 }
1436
j2k_write_rgn(opj_j2k_t * j2k,int compno,int tileno)1437 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1438 opj_cp_t *cp = j2k->cp;
1439 opj_tcp_t *tcp = &cp->tcps[tileno];
1440 opj_cio_t *cio = j2k->cio;
1441 int numcomps = j2k->image->numcomps;
1442
1443 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1444 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1445 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1446 cio_write(cio, 0, 1); /* Srgn */
1447 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1448 }
1449
j2k_read_rgn(opj_j2k_t * j2k)1450 static void j2k_read_rgn(opj_j2k_t *j2k) {
1451 int len, compno, roisty;
1452
1453 opj_cp_t *cp = j2k->cp;
1454 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1455 opj_cio_t *cio = j2k->cio;
1456 int numcomps = j2k->image->numcomps;
1457
1458 len = cio_read(cio, 2); /* Lrgn */
1459 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1460 roisty = cio_read(cio, 1); /* Srgn */
1461
1462 #ifdef USE_JPWL
1463 if (j2k->cp->correct) {
1464 /* totlen is negative or larger than the bytes left!!! */
1465 if (compno >= numcomps) {
1466 opj_event_msg(j2k->cinfo, EVT_ERROR,
1467 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1468 compno, numcomps);
1469 if (!JPWL_ASSUME || JPWL_ASSUME) {
1470 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1471 return;
1472 }
1473 }
1474 };
1475 #endif /* USE_JPWL */
1476
1477 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1478 }
1479
j2k_write_eoc(opj_j2k_t * j2k)1480 static void j2k_write_eoc(opj_j2k_t *j2k) {
1481 opj_cio_t *cio = j2k->cio;
1482 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1483 cio_write(cio, J2K_MS_EOC, 2);
1484
1485 /* UniPG>> */
1486 #ifdef USE_JPWL
1487 /* update markers struct */
1488 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1489 #endif /* USE_JPWL */
1490 /* <<UniPG */
1491 }
1492
j2k_read_eoc(opj_j2k_t * j2k)1493 static void j2k_read_eoc(opj_j2k_t *j2k) {
1494 int i, tileno;
1495 bool success;
1496
1497 /* if packets should be decoded */
1498 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1499 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1500 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1501 for (i = 0; i < j2k->cp->tileno_size; i++) {
1502 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1503 tileno = j2k->cp->tileno[i];
1504 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1505 opj_free(j2k->tile_data[tileno]);
1506 j2k->tile_data[tileno] = NULL;
1507 tcd_free_decode_tile(tcd, i);
1508 if (success == false) {
1509 j2k->state |= J2K_STATE_ERR;
1510 break;
1511 }
1512 }
1513 tcd_free_decode(tcd);
1514 tcd_destroy(tcd);
1515 }
1516 /* if packets should not be decoded */
1517 else {
1518 for (i = 0; i < j2k->cp->tileno_size; i++) {
1519 tileno = j2k->cp->tileno[i];
1520 opj_free(j2k->tile_data[tileno]);
1521 j2k->tile_data[tileno] = NULL;
1522 }
1523 }
1524 if (j2k->state & J2K_STATE_ERR)
1525 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1526 else
1527 j2k->state = J2K_STATE_MT;
1528 }
1529
1530 typedef struct opj_dec_mstabent {
1531 /** marker value */
1532 int id;
1533 /** value of the state when the marker can appear */
1534 int states;
1535 /** action linked to the marker */
1536 void (*handler) (opj_j2k_t *j2k);
1537 } opj_dec_mstabent_t;
1538
1539 opj_dec_mstabent_t j2k_dec_mstab[] = {
1540 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1541 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1542 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1543 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1544 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1545 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1546 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1547 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1548 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1549 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1550 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1551 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1552 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1553 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1554 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1555 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1556 {J2K_MS_SOP, 0, 0},
1557 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1558 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1559
1560 #ifdef USE_JPWL
1561 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1562 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1563 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1564 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1565 #endif /* USE_JPWL */
1566 #ifdef USE_JPSEC
1567 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1568 {J2K_MS_INSEC, 0, j2k_read_insec},
1569 #endif /* USE_JPSEC */
1570
1571 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1572 };
1573
j2k_read_unk(opj_j2k_t * j2k)1574 static void j2k_read_unk(opj_j2k_t *j2k) {
1575 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1576
1577 #ifdef USE_JPWL
1578 if (j2k->cp->correct) {
1579 int m = 0, id, i;
1580 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1581 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1582 id = cio_read(j2k->cio, 2);
1583 opj_event_msg(j2k->cinfo, EVT_ERROR,
1584 "JPWL: really don't know this marker %x\n",
1585 id);
1586 if (!JPWL_ASSUME) {
1587 opj_event_msg(j2k->cinfo, EVT_ERROR,
1588 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1589 return;
1590 }
1591 /* OK, activate this at your own risk!!! */
1592 /* we look for the marker at the minimum hamming distance from this */
1593 while (j2k_dec_mstab[m].id) {
1594
1595 /* 1's where they differ */
1596 tmp_id = j2k_dec_mstab[m].id ^ id;
1597
1598 /* compute the hamming distance between our id and the current */
1599 cur_dist = 0;
1600 for (i = 0; i < 16; i++) {
1601 if ((tmp_id >> i) & 0x0001) {
1602 cur_dist++;
1603 }
1604 }
1605
1606 /* if current distance is smaller, set the minimum */
1607 if (cur_dist < min_dist) {
1608 min_dist = cur_dist;
1609 min_id = j2k_dec_mstab[m].id;
1610 }
1611
1612 /* jump to the next marker */
1613 m++;
1614 }
1615
1616 /* do we substitute the marker? */
1617 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1618 opj_event_msg(j2k->cinfo, EVT_ERROR,
1619 "- marker %x is at distance %d from the read %x\n",
1620 min_id, min_dist, id);
1621 opj_event_msg(j2k->cinfo, EVT_ERROR,
1622 "- trying to substitute in place and crossing fingers!\n");
1623 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1624 cio_write(j2k->cio, min_id, 2);
1625
1626 /* rewind */
1627 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1628
1629 }
1630
1631 };
1632 #endif /* USE_JPWL */
1633
1634 }
1635
1636 /**
1637 Read the lookup table containing all the marker, status and action
1638 @param id Marker value
1639 */
j2k_dec_mstab_lookup(int id)1640 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1641 opj_dec_mstabent_t *e;
1642 for (e = j2k_dec_mstab; e->id != 0; e++) {
1643 if (e->id == id) {
1644 break;
1645 }
1646 }
1647 return e;
1648 }
1649
1650 /* ----------------------------------------------------------------------- */
1651 /* J2K / JPT decoder interface */
1652 /* ----------------------------------------------------------------------- */
1653
j2k_create_decompress(opj_common_ptr cinfo)1654 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1655 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1656 if(!j2k)
1657 return NULL;
1658
1659 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1660 if(!j2k->default_tcp) {
1661 opj_free(j2k);
1662 return NULL;
1663 }
1664
1665 j2k->cinfo = cinfo;
1666 j2k->tile_data = NULL;
1667
1668 return j2k;
1669 }
1670
j2k_destroy_decompress(opj_j2k_t * j2k)1671 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1672 int i = 0;
1673
1674 if(j2k->tile_len != NULL) {
1675 opj_free(j2k->tile_len);
1676 }
1677 if(j2k->tile_data != NULL) {
1678 opj_free(j2k->tile_data);
1679 }
1680 if(j2k->default_tcp != NULL) {
1681 opj_tcp_t *default_tcp = j2k->default_tcp;
1682 if(default_tcp->ppt_data_first != NULL) {
1683 opj_free(default_tcp->ppt_data_first);
1684 }
1685 if(j2k->default_tcp->tccps != NULL) {
1686 opj_free(j2k->default_tcp->tccps);
1687 }
1688 opj_free(j2k->default_tcp);
1689 }
1690 if(j2k->cp != NULL) {
1691 opj_cp_t *cp = j2k->cp;
1692 if(cp->tcps != NULL) {
1693 for(i = 0; i < cp->tw * cp->th; i++) {
1694 if(cp->tcps[i].ppt_data_first != NULL) {
1695 opj_free(cp->tcps[i].ppt_data_first);
1696 }
1697 if(cp->tcps[i].tccps != NULL) {
1698 opj_free(cp->tcps[i].tccps);
1699 }
1700 }
1701 opj_free(cp->tcps);
1702 }
1703 if(cp->ppm_data_first != NULL) {
1704 opj_free(cp->ppm_data_first);
1705 }
1706 if(cp->tileno != NULL) {
1707 opj_free(cp->tileno);
1708 }
1709 if(cp->comment != NULL) {
1710 opj_free(cp->comment);
1711 }
1712
1713 opj_free(cp);
1714 }
1715 opj_free(j2k);
1716 }
1717
j2k_setup_decoder(opj_j2k_t * j2k,opj_dparameters_t * parameters)1718 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1719 if(j2k && parameters) {
1720 /* create and initialize the coding parameters structure */
1721 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1722 cp->reduce = parameters->cp_reduce;
1723 cp->layer = parameters->cp_layer;
1724 cp->limit_decoding = parameters->cp_limit_decoding;
1725
1726 #ifdef USE_JPWL
1727 cp->correct = parameters->jpwl_correct;
1728 cp->exp_comps = parameters->jpwl_exp_comps;
1729 cp->max_tiles = parameters->jpwl_max_tiles;
1730 #endif /* USE_JPWL */
1731
1732
1733 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1734 j2k->cp = cp;
1735 }
1736 }
1737
j2k_decode(opj_j2k_t * j2k,opj_cio_t * cio,opj_codestream_info_t * cstr_info)1738 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1739 opj_image_t *image = NULL;
1740
1741 opj_common_ptr cinfo = j2k->cinfo;
1742
1743 j2k->cio = cio;
1744 j2k->cstr_info = cstr_info;
1745 if (cstr_info)
1746 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1747
1748 /* create an empty image */
1749 image = opj_image_create0();
1750 j2k->image = image;
1751
1752 j2k->state = J2K_STATE_MHSOC;
1753
1754 for (;;) {
1755 opj_dec_mstabent_t *e;
1756 int id = cio_read(cio, 2);
1757
1758 #ifdef USE_JPWL
1759 /* we try to honor JPWL correction power */
1760 if (j2k->cp->correct) {
1761
1762 int orig_pos = cio_tell(cio);
1763 bool status;
1764
1765 /* call the corrector */
1766 status = jpwl_correct(j2k);
1767
1768 /* go back to where you were */
1769 cio_seek(cio, orig_pos - 2);
1770
1771 /* re-read the marker */
1772 id = cio_read(cio, 2);
1773
1774 /* check whether it begins with ff */
1775 if (id >> 8 != 0xff) {
1776 opj_event_msg(cinfo, EVT_ERROR,
1777 "JPWL: possible bad marker %x at %d\n",
1778 id, cio_tell(cio) - 2);
1779 if (!JPWL_ASSUME) {
1780 opj_image_destroy(image);
1781 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1782 return 0;
1783 }
1784 /* we try to correct */
1785 id = id | 0xff00;
1786 cio_seek(cio, cio_tell(cio) - 2);
1787 cio_write(cio, id, 2);
1788 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1789 "- setting marker to %x\n",
1790 id);
1791 }
1792
1793 }
1794 #endif /* USE_JPWL */
1795
1796 if (id >> 8 != 0xff) {
1797 opj_image_destroy(image);
1798 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1799 return 0;
1800 }
1801 e = j2k_dec_mstab_lookup(id);
1802 // Check if the marker is known
1803 if (!(j2k->state & e->states)) {
1804 opj_image_destroy(image);
1805 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1806 return 0;
1807 }
1808 // Check if the decoding is limited to the main header
1809 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1810 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1811 return image;
1812 }
1813
1814 if (e->handler) {
1815 (*e->handler)(j2k);
1816 }
1817 if (j2k->state & J2K_STATE_ERR)
1818 return NULL;
1819
1820 if (j2k->state == J2K_STATE_MT) {
1821 break;
1822 }
1823 if (j2k->state == J2K_STATE_NEOC) {
1824 break;
1825 }
1826 }
1827 if (j2k->state == J2K_STATE_NEOC) {
1828 j2k_read_eoc(j2k);
1829 }
1830
1831 if (j2k->state != J2K_STATE_MT) {
1832 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1833 }
1834
1835 return image;
1836 }
1837
1838 /*
1839 * Read a JPT-stream and decode file
1840 *
1841 */
j2k_decode_jpt_stream(opj_j2k_t * j2k,opj_cio_t * cio,opj_codestream_info_t * cstr_info)1842 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1843 opj_image_t *image = NULL;
1844 opj_jpt_msg_header_t header;
1845 int position;
1846
1847 opj_common_ptr cinfo = j2k->cinfo;
1848
1849 j2k->cio = cio;
1850
1851 /* create an empty image */
1852 image = opj_image_create0();
1853 j2k->image = image;
1854
1855 j2k->state = J2K_STATE_MHSOC;
1856
1857 /* Initialize the header */
1858 jpt_init_msg_header(&header);
1859 /* Read the first header of the message */
1860 jpt_read_msg_header(cinfo, cio, &header);
1861
1862 position = cio_tell(cio);
1863 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1864 opj_image_destroy(image);
1865 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1866 return 0;
1867 }
1868
1869 for (;;) {
1870 opj_dec_mstabent_t *e = NULL;
1871 int id;
1872
1873 if (!cio_numbytesleft(cio)) {
1874 j2k_read_eoc(j2k);
1875 return image;
1876 }
1877 /* data-bin read -> need to read a new header */
1878 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1879 jpt_read_msg_header(cinfo, cio, &header);
1880 position = cio_tell(cio);
1881 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1882 opj_image_destroy(image);
1883 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1884 return 0;
1885 }
1886 }
1887
1888 id = cio_read(cio, 2);
1889 if (id >> 8 != 0xff) {
1890 opj_image_destroy(image);
1891 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1892 return 0;
1893 }
1894 e = j2k_dec_mstab_lookup(id);
1895 if (!(j2k->state & e->states)) {
1896 opj_image_destroy(image);
1897 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1898 return 0;
1899 }
1900 if (e->handler) {
1901 (*e->handler)(j2k);
1902 }
1903 if (j2k->state == J2K_STATE_MT) {
1904 break;
1905 }
1906 if (j2k->state == J2K_STATE_NEOC) {
1907 break;
1908 }
1909 }
1910 if (j2k->state == J2K_STATE_NEOC) {
1911 j2k_read_eoc(j2k);
1912 }
1913
1914 if (j2k->state != J2K_STATE_MT) {
1915 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1916 }
1917
1918 return image;
1919 }
1920
1921 /* ----------------------------------------------------------------------- */
1922 /* J2K encoder interface */
1923 /* ----------------------------------------------------------------------- */
1924
j2k_create_compress(opj_common_ptr cinfo)1925 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1926 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1927 if(j2k) {
1928 j2k->cinfo = cinfo;
1929 }
1930 return j2k;
1931 }
1932
j2k_destroy_compress(opj_j2k_t * j2k)1933 void j2k_destroy_compress(opj_j2k_t *j2k) {
1934 int tileno;
1935
1936 if(!j2k) return;
1937 if(j2k->cp != NULL) {
1938 opj_cp_t *cp = j2k->cp;
1939
1940 if(cp->comment) {
1941 opj_free(cp->comment);
1942 }
1943 if(cp->matrice) {
1944 opj_free(cp->matrice);
1945 }
1946 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1947 opj_free(cp->tcps[tileno].tccps);
1948 }
1949 opj_free(cp->tcps);
1950 opj_free(cp);
1951 }
1952
1953 opj_free(j2k);
1954 }
1955
j2k_setup_encoder(opj_j2k_t * j2k,opj_cparameters_t * parameters,opj_image_t * image)1956 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
1957 int i, j, tileno, numpocs_tile;
1958 opj_cp_t *cp = NULL;
1959
1960 if(!j2k || !parameters || ! image) {
1961 return;
1962 }
1963
1964 /* create and initialize the coding parameters structure */
1965 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1966
1967 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
1968 j2k->cp = cp;
1969
1970 /* set default values for cp */
1971 cp->tw = 1;
1972 cp->th = 1;
1973
1974 /*
1975 copy user encoding parameters
1976 */
1977 cp->cinema = parameters->cp_cinema;
1978 cp->max_comp_size = parameters->max_comp_size;
1979 cp->rsiz = parameters->cp_rsiz;
1980 cp->disto_alloc = parameters->cp_disto_alloc;
1981 cp->fixed_alloc = parameters->cp_fixed_alloc;
1982 cp->fixed_quality = parameters->cp_fixed_quality;
1983
1984 /* mod fixed_quality */
1985 if(parameters->cp_matrice) {
1986 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
1987 cp->matrice = (int *) opj_malloc(array_size);
1988 memcpy(cp->matrice, parameters->cp_matrice, array_size);
1989 }
1990
1991 /* tiles */
1992 cp->tdx = parameters->cp_tdx;
1993 cp->tdy = parameters->cp_tdy;
1994
1995 /* tile offset */
1996 cp->tx0 = parameters->cp_tx0;
1997 cp->ty0 = parameters->cp_ty0;
1998
1999 /* comment string */
2000 if(parameters->cp_comment) {
2001 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2002 if(cp->comment) {
2003 strcpy(cp->comment, parameters->cp_comment);
2004 }
2005 }
2006
2007 /*
2008 calculate other encoding parameters
2009 */
2010
2011 if (parameters->tile_size_on) {
2012 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2013 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2014 } else {
2015 cp->tdx = image->x1 - cp->tx0;
2016 cp->tdy = image->y1 - cp->ty0;
2017 }
2018
2019 if(parameters->tp_on){
2020 cp->tp_flag = parameters->tp_flag;
2021 cp->tp_on = 1;
2022 }
2023
2024 cp->img_size = 0;
2025 for(i=0;i<image->numcomps ;i++){
2026 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2027 }
2028
2029
2030 #ifdef USE_JPWL
2031 /*
2032 calculate JPWL encoding parameters
2033 */
2034
2035 if (parameters->jpwl_epc_on) {
2036 int i;
2037
2038 /* set JPWL on */
2039 cp->epc_on = true;
2040 cp->info_on = false; /* no informative technique */
2041
2042 /* set EPB on */
2043 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2044 cp->epb_on = true;
2045
2046 cp->hprot_MH = parameters->jpwl_hprot_MH;
2047 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2048 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2049 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2050 }
2051 /* if tile specs are not specified, copy MH specs */
2052 if (cp->hprot_TPH[0] == -1) {
2053 cp->hprot_TPH_tileno[0] = 0;
2054 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2055 }
2056 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2057 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2058 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2059 cp->pprot[i] = parameters->jpwl_pprot[i];
2060 }
2061 }
2062
2063 /* set ESD writing */
2064 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2065 cp->esd_on = true;
2066
2067 cp->sens_size = parameters->jpwl_sens_size;
2068 cp->sens_addr = parameters->jpwl_sens_addr;
2069 cp->sens_range = parameters->jpwl_sens_range;
2070
2071 cp->sens_MH = parameters->jpwl_sens_MH;
2072 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2073 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2074 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2075 }
2076 }
2077
2078 /* always set RED writing to false: we are at the encoder */
2079 cp->red_on = false;
2080
2081 } else {
2082 cp->epc_on = false;
2083 }
2084 #endif /* USE_JPWL */
2085
2086
2087 /* initialize the mutiple tiles */
2088 /* ---------------------------- */
2089 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2090
2091 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2092 opj_tcp_t *tcp = &cp->tcps[tileno];
2093 tcp->numlayers = parameters->tcp_numlayers;
2094 for (j = 0; j < tcp->numlayers; j++) {
2095 if(cp->cinema){
2096 if (cp->fixed_quality) {
2097 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2098 }
2099 tcp->rates[j] = parameters->tcp_rates[j];
2100 }else{
2101 if (cp->fixed_quality) { /* add fixed_quality */
2102 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2103 } else {
2104 tcp->rates[j] = parameters->tcp_rates[j];
2105 }
2106 }
2107 }
2108 tcp->csty = parameters->csty;
2109 tcp->prg = parameters->prog_order;
2110 tcp->mct = parameters->tcp_mct;
2111
2112 numpocs_tile = 0;
2113 tcp->POC = 0;
2114 if (parameters->numpocs) {
2115 /* initialisation of POC */
2116 tcp->POC = 1;
2117 for (i = 0; i < parameters->numpocs; i++) {
2118 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2119 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2120 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2121 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2122 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2123 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2124 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2125 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2126 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2127 numpocs_tile++;
2128 }
2129 }
2130 tcp->numpocs = numpocs_tile -1 ;
2131 }else{
2132 tcp->numpocs = 0;
2133 }
2134
2135 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2136
2137 for (i = 0; i < image->numcomps; i++) {
2138 opj_tccp_t *tccp = &tcp->tccps[i];
2139 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2140 tccp->numresolutions = parameters->numresolution;
2141 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2142 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2143 tccp->cblksty = parameters->mode;
2144 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2145 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2146 tccp->numgbits = 2;
2147 if (i == parameters->roi_compno) {
2148 tccp->roishift = parameters->roi_shift;
2149 } else {
2150 tccp->roishift = 0;
2151 }
2152
2153 if(parameters->cp_cinema)
2154 {
2155 //Precinct size for lowest frequency subband=128
2156 tccp->prcw[0] = 7;
2157 tccp->prch[0] = 7;
2158 //Precinct size at all other resolutions = 256
2159 for (j = 1; j < tccp->numresolutions; j++) {
2160 tccp->prcw[j] = 8;
2161 tccp->prch[j] = 8;
2162 }
2163 }else{
2164 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2165 int p = 0;
2166 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2167 if (p < parameters->res_spec) {
2168
2169 if (parameters->prcw_init[p] < 1) {
2170 tccp->prcw[j] = 1;
2171 } else {
2172 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2173 }
2174
2175 if (parameters->prch_init[p] < 1) {
2176 tccp->prch[j] = 1;
2177 }else {
2178 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2179 }
2180
2181 } else {
2182 int res_spec = parameters->res_spec;
2183 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2184 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2185
2186 if (size_prcw < 1) {
2187 tccp->prcw[j] = 1;
2188 } else {
2189 tccp->prcw[j] = int_floorlog2(size_prcw);
2190 }
2191
2192 if (size_prch < 1) {
2193 tccp->prch[j] = 1;
2194 } else {
2195 tccp->prch[j] = int_floorlog2(size_prch);
2196 }
2197 }
2198 p++;
2199 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2200 } //end for
2201 } else {
2202 for (j = 0; j < tccp->numresolutions; j++) {
2203 tccp->prcw[j] = 15;
2204 tccp->prch[j] = 15;
2205 }
2206 }
2207 }
2208
2209 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2210 }
2211 }
2212 }
2213
j2k_encode(opj_j2k_t * j2k,opj_cio_t * cio,opj_image_t * image,opj_codestream_info_t * cstr_info)2214 bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2215 int tileno, compno;
2216 opj_cp_t *cp = NULL;
2217
2218 opj_tcd_t *tcd = NULL; /* TCD component */
2219
2220 j2k->cio = cio;
2221 j2k->image = image;
2222
2223 cp = j2k->cp;
2224
2225 /* INDEX >> */
2226 j2k->cstr_info = cstr_info;
2227 if (cstr_info) {
2228 int compno;
2229 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2230 cstr_info->image_w = image->x1 - image->x0;
2231 cstr_info->image_h = image->y1 - image->y0;
2232 cstr_info->prog = (&cp->tcps[0])->prg;
2233 cstr_info->tw = cp->tw;
2234 cstr_info->th = cp->th;
2235 cstr_info->tile_x = cp->tdx; /* new version parser */
2236 cstr_info->tile_y = cp->tdy; /* new version parser */
2237 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2238 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2239 cstr_info->numcomps = image->numcomps;
2240 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2241 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2242 for (compno=0; compno < image->numcomps; compno++) {
2243 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2244 }
2245 cstr_info->D_max = 0.0; /* ADD Marcela */
2246 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2247 cstr_info->maxmarknum = 100;
2248 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2249 cstr_info->marknum = 0;
2250 }
2251 /* << INDEX */
2252
2253 j2k_write_soc(j2k);
2254 j2k_write_siz(j2k);
2255 j2k_write_cod(j2k);
2256 j2k_write_qcd(j2k);
2257
2258 if(cp->cinema){
2259 for (compno = 1; compno < image->numcomps; compno++) {
2260 j2k_write_coc(j2k, compno);
2261 j2k_write_qcc(j2k, compno);
2262 }
2263 }
2264
2265 for (compno = 0; compno < image->numcomps; compno++) {
2266 opj_tcp_t *tcp = &cp->tcps[0];
2267 if (tcp->tccps[compno].roishift)
2268 j2k_write_rgn(j2k, compno, 0);
2269 }
2270 if (cp->comment != NULL) {
2271 j2k_write_com(j2k);
2272 }
2273
2274 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2275 /* TLM Marker*/
2276 if(cp->cinema){
2277 j2k_write_tlm(j2k);
2278 if (cp->cinema == CINEMA4K_24) {
2279 j2k_write_poc(j2k);
2280 }
2281 }
2282
2283 /* uncomment only for testing JPSEC marker writing */
2284 /* j2k_write_sec(j2k); */
2285
2286 /* INDEX >> */
2287 if(cstr_info) {
2288 cstr_info->main_head_end = cio_tell(cio) - 1;
2289 }
2290 /* << INDEX */
2291 /**** Main Header ENDS here ***/
2292
2293 /* create the tile encoder */
2294 tcd = tcd_create(j2k->cinfo);
2295
2296 /* encode each tile */
2297 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2298 int pino;
2299 int tilepartno=0;
2300 /* UniPG>> */
2301 int acc_pack_num = 0;
2302 /* <<UniPG */
2303
2304
2305 opj_tcp_t *tcp = &cp->tcps[tileno];
2306 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2307
2308 j2k->curtileno = tileno;
2309 j2k->cur_tp_num = 0;
2310 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2311 /* initialisation before tile encoding */
2312 if (tileno == 0) {
2313 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2314 } else {
2315 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2316 }
2317
2318 /* INDEX >> */
2319 if(cstr_info) {
2320 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2321 }
2322 /* << INDEX */
2323
2324 for(pino = 0; pino <= tcp->numpocs; pino++) {
2325 int tot_num_tp;
2326 tcd->cur_pino=pino;
2327
2328 /*Get number of tile parts*/
2329 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2330 tcd->tp_pos = cp->tp_pos;
2331
2332 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2333 j2k->tp_num = tilepartno;
2334 /* INDEX >> */
2335 if(cstr_info)
2336 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2337 cio_tell(cio) + j2k->pos_correction;
2338 /* << INDEX */
2339 j2k_write_sot(j2k);
2340
2341 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2342 for (compno = 1; compno < image->numcomps; compno++) {
2343 j2k_write_coc(j2k, compno);
2344 j2k_write_qcc(j2k, compno);
2345 }
2346 if (cp->tcps[tileno].numpocs) {
2347 j2k_write_poc(j2k);
2348 }
2349 }
2350
2351 /* INDEX >> */
2352 if(cstr_info)
2353 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2354 cio_tell(cio) + j2k->pos_correction + 1;
2355 /* << INDEX */
2356
2357 j2k_write_sod(j2k, tcd);
2358
2359 /* INDEX >> */
2360 if(cstr_info) {
2361 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2362 cio_tell(cio) + j2k->pos_correction - 1;
2363 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2364 acc_pack_num;
2365 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2366 cstr_info->packno - acc_pack_num;
2367 acc_pack_num = cstr_info->packno;
2368 }
2369 /* << INDEX */
2370
2371 j2k->cur_tp_num++;
2372 }
2373 }
2374 if(cstr_info) {
2375 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2376 }
2377
2378
2379 /*
2380 if (tile->PPT) { // BAD PPT !!!
2381 FILE *PPT_file;
2382 int i;
2383 PPT_file=fopen("PPT","rb");
2384 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2385 for (i=0;i<tile->len_ppt;i++) {
2386 unsigned char elmt;
2387 fread(&elmt, 1, 1, PPT_file);
2388 fwrite(&elmt,1,1,f);
2389 }
2390 fclose(PPT_file);
2391 unlink("PPT");
2392 }
2393 */
2394
2395 }
2396
2397 /* destroy the tile encoder */
2398 tcd_free_encode(tcd);
2399 tcd_destroy(tcd);
2400
2401 opj_free(j2k->cur_totnum_tp);
2402
2403 j2k_write_eoc(j2k);
2404
2405 if(cstr_info) {
2406 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2407 /* UniPG>> */
2408 /* The following adjustment is done to adjust the codestream size */
2409 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2410 /* the first bunch of bytes is not in the codestream */
2411 cstr_info->codestream_size -= cstr_info->main_head_start;
2412 /* <<UniPG */
2413 }
2414
2415 #ifdef USE_JPWL
2416 /*
2417 preparation of JPWL marker segments
2418 */
2419 if(cp->epc_on) {
2420
2421 /* encode according to JPWL */
2422 jpwl_encode(j2k, cio, image);
2423
2424 }
2425 #endif /* USE_JPWL */
2426
2427 return true;
2428 }
2429
2430
2431
2432
2433
2434
2435