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 else
1238 #endif /* USE_JPWL */
1239 {
1240 /* tileno is negative or larger than the number of tiles!!! */
1241 if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
1242 opj_event_msg(j2k->cinfo, EVT_ERROR,
1243 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1244 tileno, (cp->tw * cp->th));
1245 return;
1246 }
1247 }
1248
1249 if (cp->tileno_size == 0) {
1250 cp->tileno[cp->tileno_size] = tileno;
1251 cp->tileno_size++;
1252 } else {
1253 i = 0;
1254 while (i < cp->tileno_size && status == 0) {
1255 status = cp->tileno[i] == tileno ? 1 : 0;
1256 i++;
1257 }
1258 if (status == 0) {
1259 cp->tileno[cp->tileno_size] = tileno;
1260 cp->tileno_size++;
1261 }
1262 }
1263
1264 totlen = cio_read(cio, 4);
1265
1266 #ifdef USE_JPWL
1267 if (j2k->cp->correct) {
1268
1269 /* totlen is negative or larger than the bytes left!!! */
1270 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1271 opj_event_msg(j2k->cinfo, EVT_ERROR,
1272 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1273 totlen, cio_numbytesleft(cio) + 8);
1274 if (!JPWL_ASSUME) {
1275 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1276 return;
1277 }
1278 /* we try to correct */
1279 totlen = 0;
1280 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1281 "- setting Psot to %d => assuming it is the last tile\n",
1282 totlen);
1283 }
1284
1285 }
1286 else
1287 #endif /* USE_JPWL */
1288 {
1289 /* totlen is negative or larger than the bytes left!!! */
1290 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1291 opj_event_msg(j2k->cinfo, EVT_ERROR,
1292 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1293 totlen, cio_numbytesleft(cio) + 8);
1294 return;
1295 }
1296 }
1297
1298 if (!totlen)
1299 totlen = cio_numbytesleft(cio) + 8;
1300
1301 partno = cio_read(cio, 1);
1302 numparts = cio_read(cio, 1);
1303
1304 j2k->curtileno = tileno;
1305 j2k->cur_tp_num = partno;
1306 j2k->eot = cio_getbp(cio) - 12 + totlen;
1307 j2k->state = J2K_STATE_TPH;
1308 tcp = &cp->tcps[j2k->curtileno];
1309
1310 /* Index */
1311 if (j2k->cstr_info) {
1312 if (tcp->first) {
1313 if (tileno == 0)
1314 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1315 j2k->cstr_info->tile[tileno].tileno = tileno;
1316 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1317 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1318 j2k->cstr_info->tile[tileno].num_tps = numparts;
1319 if (numparts)
1320 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
1321 else
1322 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
1323 }
1324 else {
1325 j2k->cstr_info->tile[tileno].end_pos += totlen;
1326 }
1327 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1328 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1329 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1330 }
1331
1332 if (tcp->first == 1) {
1333 /* Initialization PPT */
1334 opj_tccp_t *tmp = tcp->tccps;
1335 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1336 tcp->ppt = 0;
1337 tcp->ppt_data = NULL;
1338 tcp->ppt_data_first = NULL;
1339 tcp->tccps = tmp;
1340
1341 for (i = 0; i < j2k->image->numcomps; i++) {
1342 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1343 }
1344 cp->tcps[j2k->curtileno].first = 0;
1345 }
1346 }
1347
j2k_write_sod(opj_j2k_t * j2k,void * tile_coder)1348 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1349 int l, layno;
1350 int totlen;
1351 opj_tcp_t *tcp = NULL;
1352 opj_codestream_info_t *cstr_info = NULL;
1353
1354 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1355 opj_cp_t *cp = j2k->cp;
1356 opj_cio_t *cio = j2k->cio;
1357
1358 tcd->tp_num = j2k->tp_num ;
1359 tcd->cur_tp_num = j2k->cur_tp_num;
1360
1361 cio_write(cio, J2K_MS_SOD, 2);
1362 if (j2k->curtileno == 0) {
1363 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1364 }
1365
1366 /* INDEX >> */
1367 cstr_info = j2k->cstr_info;
1368 if (cstr_info) {
1369 if (!j2k->cur_tp_num ) {
1370 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1371 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1372 }
1373 else{
1374 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1375 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1376 }
1377 /* UniPG>> */
1378 #ifdef USE_JPWL
1379 /* update markers struct */
1380 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1381 #endif /* USE_JPWL */
1382 /* <<UniPG */
1383 }
1384 /* << INDEX */
1385
1386 tcp = &cp->tcps[j2k->curtileno];
1387 for (layno = 0; layno < tcp->numlayers; layno++) {
1388 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1389 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1390 } else if (tcp->rates[layno]) {
1391 tcp->rates[layno]=1;
1392 }
1393 }
1394 if(j2k->cur_tp_num == 0){
1395 tcd->tcd_image->tiles->packno = 0;
1396 if(cstr_info)
1397 cstr_info->packno = 0;
1398 }
1399
1400 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1401
1402 /* Writing Psot in SOT marker */
1403 totlen = cio_tell(cio) + l - j2k->sot_start;
1404 cio_seek(cio, j2k->sot_start + 6);
1405 cio_write(cio, totlen, 4);
1406 cio_seek(cio, j2k->sot_start + totlen);
1407 /* Writing Ttlm and Ptlm in TLM marker */
1408 if(cp->cinema){
1409 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1410 cio_write(cio, j2k->curtileno, 1);
1411 cio_write(cio, totlen, 4);
1412 }
1413 cio_seek(cio, j2k->sot_start + totlen);
1414 }
1415
j2k_read_sod(opj_j2k_t * j2k)1416 static void j2k_read_sod(opj_j2k_t *j2k) {
1417 int len, truncate = 0, i;
1418 unsigned char *data = NULL, *data_ptr = NULL;
1419
1420 opj_cio_t *cio = j2k->cio;
1421 int curtileno = j2k->curtileno;
1422
1423 /* Index */
1424 if (j2k->cstr_info) {
1425 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1426 cio_tell(cio) + j2k->pos_correction - 1;
1427 if (j2k->cur_tp_num == 0)
1428 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1429 j2k->cstr_info->packno = 0;
1430 }
1431
1432 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1433
1434 if (len == cio_numbytesleft(cio) + 1) {
1435 truncate = 1; /* Case of a truncate codestream */
1436 }
1437
1438 data = j2k->tile_data[curtileno];
1439 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1440
1441 data_ptr = data + j2k->tile_len[curtileno];
1442 for (i = 0; i < len; i++) {
1443 data_ptr[i] = cio_read(cio, 1);
1444 }
1445
1446 j2k->tile_len[curtileno] += len;
1447 j2k->tile_data[curtileno] = data;
1448
1449 if (!truncate) {
1450 j2k->state = J2K_STATE_TPHSOT;
1451 } else {
1452 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1453 }
1454 j2k->cur_tp_num++;
1455 }
1456
j2k_write_rgn(opj_j2k_t * j2k,int compno,int tileno)1457 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1458 opj_cp_t *cp = j2k->cp;
1459 opj_tcp_t *tcp = &cp->tcps[tileno];
1460 opj_cio_t *cio = j2k->cio;
1461 int numcomps = j2k->image->numcomps;
1462
1463 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1464 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1465 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1466 cio_write(cio, 0, 1); /* Srgn */
1467 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1468 }
1469
j2k_read_rgn(opj_j2k_t * j2k)1470 static void j2k_read_rgn(opj_j2k_t *j2k) {
1471 int len, compno, roisty;
1472
1473 opj_cp_t *cp = j2k->cp;
1474 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1475 opj_cio_t *cio = j2k->cio;
1476 int numcomps = j2k->image->numcomps;
1477
1478 len = cio_read(cio, 2); /* Lrgn */
1479 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1480 roisty = cio_read(cio, 1); /* Srgn */
1481
1482 #ifdef USE_JPWL
1483 if (j2k->cp->correct) {
1484 /* totlen is negative or larger than the bytes left!!! */
1485 if (compno >= numcomps) {
1486 opj_event_msg(j2k->cinfo, EVT_ERROR,
1487 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1488 compno, numcomps);
1489 if (!JPWL_ASSUME || JPWL_ASSUME) {
1490 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1491 return;
1492 }
1493 }
1494 };
1495 #endif /* USE_JPWL */
1496
1497 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1498 }
1499
j2k_write_eoc(opj_j2k_t * j2k)1500 static void j2k_write_eoc(opj_j2k_t *j2k) {
1501 opj_cio_t *cio = j2k->cio;
1502 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1503 cio_write(cio, J2K_MS_EOC, 2);
1504
1505 /* UniPG>> */
1506 #ifdef USE_JPWL
1507 /* update markers struct */
1508 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1509 #endif /* USE_JPWL */
1510 /* <<UniPG */
1511 }
1512
j2k_read_eoc(opj_j2k_t * j2k)1513 static void j2k_read_eoc(opj_j2k_t *j2k) {
1514 int i, tileno;
1515 bool success = false;
1516
1517 /* if packets should be decoded */
1518 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1519 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1520 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1521 for (i = 0; i < j2k->cp->tileno_size; i++) {
1522 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1523 if (j2k->cp->tileno[i] != -1)
1524 {
1525 tileno = j2k->cp->tileno[i];
1526 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1527 opj_free(j2k->tile_data[tileno]);
1528 j2k->tile_data[tileno] = NULL;
1529 tcd_free_decode_tile(tcd, i);
1530 }
1531 else
1532 success = false;
1533 if (success == false) {
1534 j2k->state |= J2K_STATE_ERR;
1535 break;
1536 }
1537 }
1538 tcd_free_decode(tcd);
1539 tcd_destroy(tcd);
1540 }
1541 /* if packets should not be decoded */
1542 else {
1543 for (i = 0; i < j2k->cp->tileno_size; i++) {
1544 tileno = j2k->cp->tileno[i];
1545 opj_free(j2k->tile_data[tileno]);
1546 j2k->tile_data[tileno] = NULL;
1547 }
1548 }
1549 if (j2k->state & J2K_STATE_ERR)
1550 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1551 else
1552 j2k->state = J2K_STATE_MT;
1553 }
1554
1555 typedef struct opj_dec_mstabent {
1556 /** marker value */
1557 int id;
1558 /** value of the state when the marker can appear */
1559 int states;
1560 /** action linked to the marker */
1561 void (*handler) (opj_j2k_t *j2k);
1562 } opj_dec_mstabent_t;
1563
1564 opj_dec_mstabent_t j2k_dec_mstab[] = {
1565 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1566 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1567 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1568 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1569 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1570 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1571 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1572 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1573 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1574 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1575 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1576 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1577 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1578 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1579 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1580 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1581 {J2K_MS_SOP, 0, 0},
1582 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1583 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1584
1585 #ifdef USE_JPWL
1586 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1587 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1588 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1589 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1590 #endif /* USE_JPWL */
1591 #ifdef USE_JPSEC
1592 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1593 {J2K_MS_INSEC, 0, j2k_read_insec},
1594 #endif /* USE_JPSEC */
1595
1596 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1597 };
1598
j2k_read_unk(opj_j2k_t * j2k)1599 static void j2k_read_unk(opj_j2k_t *j2k) {
1600 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1601
1602 #ifdef USE_JPWL
1603 if (j2k->cp->correct) {
1604 int m = 0, id, i;
1605 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1606 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1607 id = cio_read(j2k->cio, 2);
1608 opj_event_msg(j2k->cinfo, EVT_ERROR,
1609 "JPWL: really don't know this marker %x\n",
1610 id);
1611 if (!JPWL_ASSUME) {
1612 opj_event_msg(j2k->cinfo, EVT_ERROR,
1613 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1614 return;
1615 }
1616 /* OK, activate this at your own risk!!! */
1617 /* we look for the marker at the minimum hamming distance from this */
1618 while (j2k_dec_mstab[m].id) {
1619
1620 /* 1's where they differ */
1621 tmp_id = j2k_dec_mstab[m].id ^ id;
1622
1623 /* compute the hamming distance between our id and the current */
1624 cur_dist = 0;
1625 for (i = 0; i < 16; i++) {
1626 if ((tmp_id >> i) & 0x0001) {
1627 cur_dist++;
1628 }
1629 }
1630
1631 /* if current distance is smaller, set the minimum */
1632 if (cur_dist < min_dist) {
1633 min_dist = cur_dist;
1634 min_id = j2k_dec_mstab[m].id;
1635 }
1636
1637 /* jump to the next marker */
1638 m++;
1639 }
1640
1641 /* do we substitute the marker? */
1642 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1643 opj_event_msg(j2k->cinfo, EVT_ERROR,
1644 "- marker %x is at distance %d from the read %x\n",
1645 min_id, min_dist, id);
1646 opj_event_msg(j2k->cinfo, EVT_ERROR,
1647 "- trying to substitute in place and crossing fingers!\n");
1648 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1649 cio_write(j2k->cio, min_id, 2);
1650
1651 /* rewind */
1652 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1653
1654 }
1655
1656 };
1657 #endif /* USE_JPWL */
1658
1659 }
1660
1661 /**
1662 Read the lookup table containing all the marker, status and action
1663 @param id Marker value
1664 */
j2k_dec_mstab_lookup(int id)1665 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1666 opj_dec_mstabent_t *e;
1667 for (e = j2k_dec_mstab; e->id != 0; e++) {
1668 if (e->id == id) {
1669 break;
1670 }
1671 }
1672 return e;
1673 }
1674
1675 /* ----------------------------------------------------------------------- */
1676 /* J2K / JPT decoder interface */
1677 /* ----------------------------------------------------------------------- */
1678
j2k_create_decompress(opj_common_ptr cinfo)1679 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1680 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1681 if(!j2k)
1682 return NULL;
1683
1684 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1685 if(!j2k->default_tcp) {
1686 opj_free(j2k);
1687 return NULL;
1688 }
1689
1690 j2k->cinfo = cinfo;
1691 j2k->tile_data = NULL;
1692
1693 return j2k;
1694 }
1695
j2k_destroy_decompress(opj_j2k_t * j2k)1696 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1697 int i = 0;
1698
1699 if(j2k->tile_len != NULL) {
1700 opj_free(j2k->tile_len);
1701 }
1702 if(j2k->tile_data != NULL) {
1703 opj_free(j2k->tile_data);
1704 }
1705 if(j2k->default_tcp != NULL) {
1706 opj_tcp_t *default_tcp = j2k->default_tcp;
1707 if(default_tcp->ppt_data_first != NULL) {
1708 opj_free(default_tcp->ppt_data_first);
1709 }
1710 if(j2k->default_tcp->tccps != NULL) {
1711 opj_free(j2k->default_tcp->tccps);
1712 }
1713 opj_free(j2k->default_tcp);
1714 }
1715 if(j2k->cp != NULL) {
1716 opj_cp_t *cp = j2k->cp;
1717 if(cp->tcps != NULL) {
1718 for(i = 0; i < cp->tw * cp->th; i++) {
1719 if(cp->tcps[i].ppt_data_first != NULL) {
1720 opj_free(cp->tcps[i].ppt_data_first);
1721 }
1722 if(cp->tcps[i].tccps != NULL) {
1723 opj_free(cp->tcps[i].tccps);
1724 }
1725 }
1726 opj_free(cp->tcps);
1727 }
1728 if(cp->ppm_data_first != NULL) {
1729 opj_free(cp->ppm_data_first);
1730 }
1731 if(cp->tileno != NULL) {
1732 opj_free(cp->tileno);
1733 }
1734 if(cp->comment != NULL) {
1735 opj_free(cp->comment);
1736 }
1737
1738 opj_free(cp);
1739 }
1740 opj_free(j2k);
1741 }
1742
j2k_setup_decoder(opj_j2k_t * j2k,opj_dparameters_t * parameters)1743 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1744 if(j2k && parameters) {
1745 /* create and initialize the coding parameters structure */
1746 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1747 cp->reduce = parameters->cp_reduce;
1748 cp->layer = parameters->cp_layer;
1749 cp->limit_decoding = parameters->cp_limit_decoding;
1750
1751 #ifdef USE_JPWL
1752 cp->correct = parameters->jpwl_correct;
1753 cp->exp_comps = parameters->jpwl_exp_comps;
1754 cp->max_tiles = parameters->jpwl_max_tiles;
1755 #endif /* USE_JPWL */
1756
1757
1758 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1759 j2k->cp = cp;
1760 }
1761 }
1762
j2k_decode(opj_j2k_t * j2k,opj_cio_t * cio,opj_codestream_info_t * cstr_info)1763 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1764 opj_image_t *image = NULL;
1765
1766 opj_common_ptr cinfo = j2k->cinfo;
1767
1768 j2k->cio = cio;
1769 j2k->cstr_info = cstr_info;
1770 if (cstr_info)
1771 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1772
1773 /* create an empty image */
1774 image = opj_image_create0();
1775 j2k->image = image;
1776
1777 j2k->state = J2K_STATE_MHSOC;
1778
1779 for (;;) {
1780 opj_dec_mstabent_t *e;
1781 int id = cio_read(cio, 2);
1782
1783 #ifdef USE_JPWL
1784 /* we try to honor JPWL correction power */
1785 if (j2k->cp->correct) {
1786
1787 int orig_pos = cio_tell(cio);
1788 bool status;
1789
1790 /* call the corrector */
1791 status = jpwl_correct(j2k);
1792
1793 /* go back to where you were */
1794 cio_seek(cio, orig_pos - 2);
1795
1796 /* re-read the marker */
1797 id = cio_read(cio, 2);
1798
1799 /* check whether it begins with ff */
1800 if (id >> 8 != 0xff) {
1801 opj_event_msg(cinfo, EVT_ERROR,
1802 "JPWL: possible bad marker %x at %d\n",
1803 id, cio_tell(cio) - 2);
1804 if (!JPWL_ASSUME) {
1805 opj_image_destroy(image);
1806 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1807 return 0;
1808 }
1809 /* we try to correct */
1810 id = id | 0xff00;
1811 cio_seek(cio, cio_tell(cio) - 2);
1812 cio_write(cio, id, 2);
1813 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1814 "- setting marker to %x\n",
1815 id);
1816 }
1817
1818 }
1819 #endif /* USE_JPWL */
1820
1821 if (id >> 8 != 0xff) {
1822 opj_image_destroy(image);
1823 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1824 return 0;
1825 }
1826 e = j2k_dec_mstab_lookup(id);
1827 // Check if the marker is known
1828 if (!(j2k->state & e->states)) {
1829 opj_image_destroy(image);
1830 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1831 return 0;
1832 }
1833 // Check if the decoding is limited to the main header
1834 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1835 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1836 return image;
1837 }
1838
1839 if (e->handler) {
1840 (*e->handler)(j2k);
1841 }
1842 if (j2k->state & J2K_STATE_ERR)
1843 return NULL;
1844
1845 if (j2k->state == J2K_STATE_MT) {
1846 break;
1847 }
1848 if (j2k->state == J2K_STATE_NEOC) {
1849 break;
1850 }
1851 }
1852 if (j2k->state == J2K_STATE_NEOC) {
1853 j2k_read_eoc(j2k);
1854 }
1855
1856 if (j2k->state != J2K_STATE_MT) {
1857 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1858 }
1859
1860 return image;
1861 }
1862
1863 /*
1864 * Read a JPT-stream and decode file
1865 *
1866 */
j2k_decode_jpt_stream(opj_j2k_t * j2k,opj_cio_t * cio,opj_codestream_info_t * cstr_info)1867 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1868 opj_image_t *image = NULL;
1869 opj_jpt_msg_header_t header;
1870 int position;
1871
1872 opj_common_ptr cinfo = j2k->cinfo;
1873
1874 j2k->cio = cio;
1875
1876 /* create an empty image */
1877 image = opj_image_create0();
1878 j2k->image = image;
1879
1880 j2k->state = J2K_STATE_MHSOC;
1881
1882 /* Initialize the header */
1883 jpt_init_msg_header(&header);
1884 /* Read the first header of the message */
1885 jpt_read_msg_header(cinfo, cio, &header);
1886
1887 position = cio_tell(cio);
1888 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1889 opj_image_destroy(image);
1890 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1891 return 0;
1892 }
1893
1894 for (;;) {
1895 opj_dec_mstabent_t *e = NULL;
1896 int id;
1897
1898 if (!cio_numbytesleft(cio)) {
1899 j2k_read_eoc(j2k);
1900 return image;
1901 }
1902 /* data-bin read -> need to read a new header */
1903 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1904 jpt_read_msg_header(cinfo, cio, &header);
1905 position = cio_tell(cio);
1906 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1907 opj_image_destroy(image);
1908 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1909 return 0;
1910 }
1911 }
1912
1913 id = cio_read(cio, 2);
1914 if (id >> 8 != 0xff) {
1915 opj_image_destroy(image);
1916 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1917 return 0;
1918 }
1919 e = j2k_dec_mstab_lookup(id);
1920 if (!(j2k->state & e->states)) {
1921 opj_image_destroy(image);
1922 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1923 return 0;
1924 }
1925 if (e->handler) {
1926 (*e->handler)(j2k);
1927 }
1928 if (j2k->state == J2K_STATE_MT) {
1929 break;
1930 }
1931 if (j2k->state == J2K_STATE_NEOC) {
1932 break;
1933 }
1934 }
1935 if (j2k->state == J2K_STATE_NEOC) {
1936 j2k_read_eoc(j2k);
1937 }
1938
1939 if (j2k->state != J2K_STATE_MT) {
1940 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1941 }
1942
1943 return image;
1944 }
1945
1946 /* ----------------------------------------------------------------------- */
1947 /* J2K encoder interface */
1948 /* ----------------------------------------------------------------------- */
1949
j2k_create_compress(opj_common_ptr cinfo)1950 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1951 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1952 if(j2k) {
1953 j2k->cinfo = cinfo;
1954 }
1955 return j2k;
1956 }
1957
j2k_destroy_compress(opj_j2k_t * j2k)1958 void j2k_destroy_compress(opj_j2k_t *j2k) {
1959 int tileno;
1960
1961 if(!j2k) return;
1962 if(j2k->cp != NULL) {
1963 opj_cp_t *cp = j2k->cp;
1964
1965 if(cp->comment) {
1966 opj_free(cp->comment);
1967 }
1968 if(cp->matrice) {
1969 opj_free(cp->matrice);
1970 }
1971 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1972 opj_free(cp->tcps[tileno].tccps);
1973 }
1974 opj_free(cp->tcps);
1975 opj_free(cp);
1976 }
1977
1978 opj_free(j2k);
1979 }
1980
j2k_setup_encoder(opj_j2k_t * j2k,opj_cparameters_t * parameters,opj_image_t * image)1981 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
1982 int i, j, tileno, numpocs_tile;
1983 opj_cp_t *cp = NULL;
1984
1985 if(!j2k || !parameters || ! image) {
1986 return;
1987 }
1988
1989 /* create and initialize the coding parameters structure */
1990 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1991
1992 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
1993 j2k->cp = cp;
1994
1995 /* set default values for cp */
1996 cp->tw = 1;
1997 cp->th = 1;
1998
1999 /*
2000 copy user encoding parameters
2001 */
2002 cp->cinema = parameters->cp_cinema;
2003 cp->max_comp_size = parameters->max_comp_size;
2004 cp->rsiz = parameters->cp_rsiz;
2005 cp->disto_alloc = parameters->cp_disto_alloc;
2006 cp->fixed_alloc = parameters->cp_fixed_alloc;
2007 cp->fixed_quality = parameters->cp_fixed_quality;
2008
2009 /* mod fixed_quality */
2010 if(parameters->cp_matrice) {
2011 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2012 cp->matrice = (int *) opj_malloc(array_size);
2013 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2014 }
2015
2016 /* tiles */
2017 cp->tdx = parameters->cp_tdx;
2018 cp->tdy = parameters->cp_tdy;
2019
2020 /* tile offset */
2021 cp->tx0 = parameters->cp_tx0;
2022 cp->ty0 = parameters->cp_ty0;
2023
2024 /* comment string */
2025 if(parameters->cp_comment) {
2026 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2027 if(cp->comment) {
2028 strcpy(cp->comment, parameters->cp_comment);
2029 }
2030 }
2031
2032 /*
2033 calculate other encoding parameters
2034 */
2035
2036 if (parameters->tile_size_on) {
2037 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2038 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2039 } else {
2040 cp->tdx = image->x1 - cp->tx0;
2041 cp->tdy = image->y1 - cp->ty0;
2042 }
2043
2044 if(parameters->tp_on){
2045 cp->tp_flag = parameters->tp_flag;
2046 cp->tp_on = 1;
2047 }
2048
2049 cp->img_size = 0;
2050 for(i=0;i<image->numcomps ;i++){
2051 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2052 }
2053
2054
2055 #ifdef USE_JPWL
2056 /*
2057 calculate JPWL encoding parameters
2058 */
2059
2060 if (parameters->jpwl_epc_on) {
2061 int i;
2062
2063 /* set JPWL on */
2064 cp->epc_on = true;
2065 cp->info_on = false; /* no informative technique */
2066
2067 /* set EPB on */
2068 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2069 cp->epb_on = true;
2070
2071 cp->hprot_MH = parameters->jpwl_hprot_MH;
2072 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2073 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2074 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2075 }
2076 /* if tile specs are not specified, copy MH specs */
2077 if (cp->hprot_TPH[0] == -1) {
2078 cp->hprot_TPH_tileno[0] = 0;
2079 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2080 }
2081 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2082 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2083 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2084 cp->pprot[i] = parameters->jpwl_pprot[i];
2085 }
2086 }
2087
2088 /* set ESD writing */
2089 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2090 cp->esd_on = true;
2091
2092 cp->sens_size = parameters->jpwl_sens_size;
2093 cp->sens_addr = parameters->jpwl_sens_addr;
2094 cp->sens_range = parameters->jpwl_sens_range;
2095
2096 cp->sens_MH = parameters->jpwl_sens_MH;
2097 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2098 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2099 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2100 }
2101 }
2102
2103 /* always set RED writing to false: we are at the encoder */
2104 cp->red_on = false;
2105
2106 } else {
2107 cp->epc_on = false;
2108 }
2109 #endif /* USE_JPWL */
2110
2111
2112 /* initialize the mutiple tiles */
2113 /* ---------------------------- */
2114 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2115
2116 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2117 opj_tcp_t *tcp = &cp->tcps[tileno];
2118 tcp->numlayers = parameters->tcp_numlayers;
2119 for (j = 0; j < tcp->numlayers; j++) {
2120 if(cp->cinema){
2121 if (cp->fixed_quality) {
2122 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2123 }
2124 tcp->rates[j] = parameters->tcp_rates[j];
2125 }else{
2126 if (cp->fixed_quality) { /* add fixed_quality */
2127 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2128 } else {
2129 tcp->rates[j] = parameters->tcp_rates[j];
2130 }
2131 }
2132 }
2133 tcp->csty = parameters->csty;
2134 tcp->prg = parameters->prog_order;
2135 tcp->mct = parameters->tcp_mct;
2136
2137 numpocs_tile = 0;
2138 tcp->POC = 0;
2139 if (parameters->numpocs) {
2140 /* initialisation of POC */
2141 tcp->POC = 1;
2142 for (i = 0; i < parameters->numpocs; i++) {
2143 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2144 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2145 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2146 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2147 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2148 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2149 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2150 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2151 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2152 numpocs_tile++;
2153 }
2154 }
2155 tcp->numpocs = numpocs_tile -1 ;
2156 }else{
2157 tcp->numpocs = 0;
2158 }
2159
2160 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2161
2162 for (i = 0; i < image->numcomps; i++) {
2163 opj_tccp_t *tccp = &tcp->tccps[i];
2164 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2165 tccp->numresolutions = parameters->numresolution;
2166 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2167 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2168 tccp->cblksty = parameters->mode;
2169 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2170 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2171 tccp->numgbits = 2;
2172 if (i == parameters->roi_compno) {
2173 tccp->roishift = parameters->roi_shift;
2174 } else {
2175 tccp->roishift = 0;
2176 }
2177
2178 if(parameters->cp_cinema)
2179 {
2180 //Precinct size for lowest frequency subband=128
2181 tccp->prcw[0] = 7;
2182 tccp->prch[0] = 7;
2183 //Precinct size at all other resolutions = 256
2184 for (j = 1; j < tccp->numresolutions; j++) {
2185 tccp->prcw[j] = 8;
2186 tccp->prch[j] = 8;
2187 }
2188 }else{
2189 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2190 int p = 0;
2191 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2192 if (p < parameters->res_spec) {
2193
2194 if (parameters->prcw_init[p] < 1) {
2195 tccp->prcw[j] = 1;
2196 } else {
2197 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2198 }
2199
2200 if (parameters->prch_init[p] < 1) {
2201 tccp->prch[j] = 1;
2202 }else {
2203 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2204 }
2205
2206 } else {
2207 int res_spec = parameters->res_spec;
2208 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2209 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2210
2211 if (size_prcw < 1) {
2212 tccp->prcw[j] = 1;
2213 } else {
2214 tccp->prcw[j] = int_floorlog2(size_prcw);
2215 }
2216
2217 if (size_prch < 1) {
2218 tccp->prch[j] = 1;
2219 } else {
2220 tccp->prch[j] = int_floorlog2(size_prch);
2221 }
2222 }
2223 p++;
2224 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2225 } //end for
2226 } else {
2227 for (j = 0; j < tccp->numresolutions; j++) {
2228 tccp->prcw[j] = 15;
2229 tccp->prch[j] = 15;
2230 }
2231 }
2232 }
2233
2234 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2235 }
2236 }
2237 }
2238
j2k_encode(opj_j2k_t * j2k,opj_cio_t * cio,opj_image_t * image,opj_codestream_info_t * cstr_info)2239 bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2240 int tileno, compno;
2241 opj_cp_t *cp = NULL;
2242
2243 opj_tcd_t *tcd = NULL; /* TCD component */
2244
2245 j2k->cio = cio;
2246 j2k->image = image;
2247
2248 cp = j2k->cp;
2249
2250 /* INDEX >> */
2251 j2k->cstr_info = cstr_info;
2252 if (cstr_info) {
2253 int compno;
2254 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2255 cstr_info->image_w = image->x1 - image->x0;
2256 cstr_info->image_h = image->y1 - image->y0;
2257 cstr_info->prog = (&cp->tcps[0])->prg;
2258 cstr_info->tw = cp->tw;
2259 cstr_info->th = cp->th;
2260 cstr_info->tile_x = cp->tdx; /* new version parser */
2261 cstr_info->tile_y = cp->tdy; /* new version parser */
2262 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2263 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2264 cstr_info->numcomps = image->numcomps;
2265 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2266 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2267 for (compno=0; compno < image->numcomps; compno++) {
2268 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2269 }
2270 cstr_info->D_max = 0.0; /* ADD Marcela */
2271 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2272 cstr_info->maxmarknum = 100;
2273 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2274 cstr_info->marknum = 0;
2275 }
2276 /* << INDEX */
2277
2278 j2k_write_soc(j2k);
2279 j2k_write_siz(j2k);
2280 j2k_write_cod(j2k);
2281 j2k_write_qcd(j2k);
2282
2283 if(cp->cinema){
2284 for (compno = 1; compno < image->numcomps; compno++) {
2285 j2k_write_coc(j2k, compno);
2286 j2k_write_qcc(j2k, compno);
2287 }
2288 }
2289
2290 for (compno = 0; compno < image->numcomps; compno++) {
2291 opj_tcp_t *tcp = &cp->tcps[0];
2292 if (tcp->tccps[compno].roishift)
2293 j2k_write_rgn(j2k, compno, 0);
2294 }
2295 if (cp->comment != NULL) {
2296 j2k_write_com(j2k);
2297 }
2298
2299 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2300 /* TLM Marker*/
2301 if(cp->cinema){
2302 j2k_write_tlm(j2k);
2303 if (cp->cinema == CINEMA4K_24) {
2304 j2k_write_poc(j2k);
2305 }
2306 }
2307
2308 /* uncomment only for testing JPSEC marker writing */
2309 /* j2k_write_sec(j2k); */
2310
2311 /* INDEX >> */
2312 if(cstr_info) {
2313 cstr_info->main_head_end = cio_tell(cio) - 1;
2314 }
2315 /* << INDEX */
2316 /**** Main Header ENDS here ***/
2317
2318 /* create the tile encoder */
2319 tcd = tcd_create(j2k->cinfo);
2320
2321 /* encode each tile */
2322 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2323 int pino;
2324 int tilepartno=0;
2325 /* UniPG>> */
2326 int acc_pack_num = 0;
2327 /* <<UniPG */
2328
2329
2330 opj_tcp_t *tcp = &cp->tcps[tileno];
2331 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2332
2333 j2k->curtileno = tileno;
2334 j2k->cur_tp_num = 0;
2335 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2336 /* initialisation before tile encoding */
2337 if (tileno == 0) {
2338 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2339 } else {
2340 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2341 }
2342
2343 /* INDEX >> */
2344 if(cstr_info) {
2345 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2346 }
2347 /* << INDEX */
2348
2349 for(pino = 0; pino <= tcp->numpocs; pino++) {
2350 int tot_num_tp;
2351 tcd->cur_pino=pino;
2352
2353 /*Get number of tile parts*/
2354 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2355 tcd->tp_pos = cp->tp_pos;
2356
2357 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2358 j2k->tp_num = tilepartno;
2359 /* INDEX >> */
2360 if(cstr_info)
2361 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2362 cio_tell(cio) + j2k->pos_correction;
2363 /* << INDEX */
2364 j2k_write_sot(j2k);
2365
2366 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2367 for (compno = 1; compno < image->numcomps; compno++) {
2368 j2k_write_coc(j2k, compno);
2369 j2k_write_qcc(j2k, compno);
2370 }
2371 if (cp->tcps[tileno].numpocs) {
2372 j2k_write_poc(j2k);
2373 }
2374 }
2375
2376 /* INDEX >> */
2377 if(cstr_info)
2378 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2379 cio_tell(cio) + j2k->pos_correction + 1;
2380 /* << INDEX */
2381
2382 j2k_write_sod(j2k, tcd);
2383
2384 /* INDEX >> */
2385 if(cstr_info) {
2386 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2387 cio_tell(cio) + j2k->pos_correction - 1;
2388 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2389 acc_pack_num;
2390 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2391 cstr_info->packno - acc_pack_num;
2392 acc_pack_num = cstr_info->packno;
2393 }
2394 /* << INDEX */
2395
2396 j2k->cur_tp_num++;
2397 }
2398 }
2399 if(cstr_info) {
2400 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2401 }
2402
2403
2404 /*
2405 if (tile->PPT) { // BAD PPT !!!
2406 FILE *PPT_file;
2407 int i;
2408 PPT_file=fopen("PPT","rb");
2409 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2410 for (i=0;i<tile->len_ppt;i++) {
2411 unsigned char elmt;
2412 fread(&elmt, 1, 1, PPT_file);
2413 fwrite(&elmt,1,1,f);
2414 }
2415 fclose(PPT_file);
2416 unlink("PPT");
2417 }
2418 */
2419
2420 }
2421
2422 /* destroy the tile encoder */
2423 tcd_free_encode(tcd);
2424 tcd_destroy(tcd);
2425
2426 opj_free(j2k->cur_totnum_tp);
2427
2428 j2k_write_eoc(j2k);
2429
2430 if(cstr_info) {
2431 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2432 /* UniPG>> */
2433 /* The following adjustment is done to adjust the codestream size */
2434 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2435 /* the first bunch of bytes is not in the codestream */
2436 cstr_info->codestream_size -= cstr_info->main_head_start;
2437 /* <<UniPG */
2438 }
2439
2440 #ifdef USE_JPWL
2441 /*
2442 preparation of JPWL marker segments
2443 */
2444 if(cp->epc_on) {
2445
2446 /* encode according to JPWL */
2447 jpwl_encode(j2k, cio, image);
2448
2449 }
2450 #endif /* USE_JPWL */
2451
2452 return true;
2453 }
2454
2455
2456
2457
2458
2459
2460