[1.5] Applying old patch from r1642, with further modification from winfried. Also...
[openjpeg.git] / libopenjpeg / j2k.c
1 /*
2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3  * Copyright (c) 2002-2007, Professor Benoit Macq
4  * Copyright (c) 2001-2003, David Janssens
5  * Copyright (c) 2002-2003, Yannick Verschueren
6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
8  * Copyright (c) 2006-2007, Parvatha Elangovan
9  * Copyright (c) 2010-2011, Kaori Hagihara
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 #include "opj_includes.h"
35
36 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
37 /*@{*/
38
39 /** @name Local static functions */
40 /*@{*/
41
42 /**
43 Write the SOC marker (Start Of Codestream)
44 @param j2k J2K handle
45 */
46 static void j2k_write_soc(opj_j2k_t *j2k);
47 /**
48 Read the SOC marker (Start of Codestream)
49 @param j2k J2K handle
50 */
51 static void j2k_read_soc(opj_j2k_t *j2k);
52 /**
53 Write the SIZ marker (image and tile size)
54 @param j2k J2K handle
55 */
56 static void j2k_write_siz(opj_j2k_t *j2k);
57 /**
58 Read the SIZ marker (image and tile size)
59 @param j2k J2K handle
60 */
61 static void j2k_read_siz(opj_j2k_t *j2k);
62 /**
63 Write the COM marker (comment)
64 @param j2k J2K handle
65 */
66 static void j2k_write_com(opj_j2k_t *j2k);
67 /**
68 Read the COM marker (comment)
69 @param j2k J2K handle
70 */
71 static void j2k_read_com(opj_j2k_t *j2k);
72 /**
73 Write the value concerning the specified component in the marker COD and COC
74 @param j2k J2K handle
75 @param compno Number of the component concerned by the information written
76 */
77 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
78 /**
79 Read the value concerning the specified component in the marker COD and COC
80 @param j2k J2K handle
81 @param compno Number of the component concerned by the information read
82 */
83 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
84 /**
85 Write the COD marker (coding style default)
86 @param j2k J2K handle
87 */
88 static void j2k_write_cod(opj_j2k_t *j2k);
89 /**
90 Read the COD marker (coding style default)
91 @param j2k J2K handle
92 */
93 static void j2k_read_cod(opj_j2k_t *j2k);
94 /**
95 Write the COC marker (coding style component)
96 @param j2k J2K handle
97 @param compno Number of the component concerned by the information written
98 */
99 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
100 /**
101 Read the COC marker (coding style component)
102 @param j2k J2K handle
103 */
104 static void j2k_read_coc(opj_j2k_t *j2k);
105 /**
106 Write the value concerning the specified component in the marker QCD and QCC
107 @param j2k J2K handle
108 @param compno Number of the component concerned by the information written
109 */
110 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
111 /**
112 Read the value concerning the specified component in the marker QCD and QCC
113 @param j2k J2K handle
114 @param compno Number of the component concern by the information read
115 @param len Length of the information in the QCX part of the marker QCD/QCC
116 */
117 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
118 /**
119 Write the QCD marker (quantization default)
120 @param j2k J2K handle
121 */
122 static void j2k_write_qcd(opj_j2k_t *j2k);
123 /**
124 Read the QCD marker (quantization default)
125 @param j2k J2K handle
126 */
127 static void j2k_read_qcd(opj_j2k_t *j2k);
128 /**
129 Write the QCC marker (quantization component)
130 @param j2k J2K handle
131 @param compno Number of the component concerned by the information written
132 */
133 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
134 /**
135 Read the QCC marker (quantization component)
136 @param j2k J2K handle
137 */
138 static void j2k_read_qcc(opj_j2k_t *j2k);
139 /**
140 Write the POC marker (progression order change)
141 @param j2k J2K handle
142 */
143 static void j2k_write_poc(opj_j2k_t *j2k);
144 /**
145 Read the POC marker (progression order change)
146 @param j2k J2K handle
147 */
148 static void j2k_read_poc(opj_j2k_t *j2k);
149 /**
150 Read the CRG marker (component registration)
151 @param j2k J2K handle
152 */
153 static void j2k_read_crg(opj_j2k_t *j2k);
154 /**
155 Read the TLM marker (tile-part lengths)
156 @param j2k J2K handle
157 */
158 static void j2k_read_tlm(opj_j2k_t *j2k);
159 /**
160 Read the PLM marker (packet length, main header)
161 @param j2k J2K handle
162 */
163 static void j2k_read_plm(opj_j2k_t *j2k);
164 /**
165 Read the PLT marker (packet length, tile-part header)
166 @param j2k J2K handle
167 */
168 static void j2k_read_plt(opj_j2k_t *j2k);
169 /**
170 Read the PPM marker (packet packet headers, main header)
171 @param j2k J2K handle
172 */
173 static void j2k_read_ppm(opj_j2k_t *j2k);
174 /**
175 Read the PPT marker (packet packet headers, tile-part header)
176 @param j2k J2K handle
177 */
178 static void j2k_read_ppt(opj_j2k_t *j2k);
179 /**
180 Write the TLM marker (Mainheader)
181 @param j2k J2K handle
182 */
183 static void j2k_write_tlm(opj_j2k_t *j2k);
184 /**
185 Write the SOT marker (start of tile-part)
186 @param j2k J2K handle
187 */
188 static void j2k_write_sot(opj_j2k_t *j2k);
189 /**
190 Read the SOT marker (start of tile-part)
191 @param j2k J2K handle
192 */
193 static void j2k_read_sot(opj_j2k_t *j2k);
194 /**
195 Write the SOD marker (start of data)
196 @param j2k J2K handle
197 @param tile_coder Pointer to a TCD handle
198 */
199 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
200 /**
201 Read the SOD marker (start of data)
202 @param j2k J2K handle
203 */
204 static void j2k_read_sod(opj_j2k_t *j2k);
205 /**
206 Write the RGN marker (region-of-interest)
207 @param j2k J2K handle
208 @param compno Number of the component concerned by the information written
209 @param tileno Number of the tile concerned by the information written
210 */
211 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
212 /**
213 Read the RGN marker (region-of-interest)
214 @param j2k J2K handle
215 */
216 static void j2k_read_rgn(opj_j2k_t *j2k);
217 /**
218 Write the EOC marker (end of codestream)
219 @param j2k J2K handle
220 */
221 static void j2k_write_eoc(opj_j2k_t *j2k);
222 /**
223 Read the EOC marker (end of codestream)
224 @param j2k J2K handle
225 */
226 static void j2k_read_eoc(opj_j2k_t *j2k);
227 /**
228 Read an unknown marker
229 @param j2k J2K handle
230 */
231 static void j2k_read_unk(opj_j2k_t *j2k);
232 /**
233 Add main header marker information
234 @param cstr_info Codestream information structure
235 @param type marker type
236 @param pos byte offset of marker segment
237 @param len length of marker segment
238  */
239 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
240 /**
241 Add tile header marker information
242 @param tileno tile index number
243 @param cstr_info Codestream information structure
244 @param type marker type
245 @param pos byte offset of marker segment
246 @param len length of marker segment
247  */
248 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
249
250 /*@}*/
251
252 /*@}*/
253
254 /* ----------------------------------------------------------------------- */
255 typedef struct j2k_prog_order{
256         OPJ_PROG_ORDER enum_prog;
257         char str_prog[5];
258 }j2k_prog_order_t;
259
260 j2k_prog_order_t j2k_prog_order_list[] = {
261         {CPRL, "CPRL"},
262         {LRCP, "LRCP"},
263         {PCRL, "PCRL"},
264         {RLCP, "RLCP"},
265         {RPCL, "RPCL"},
266         {(OPJ_PROG_ORDER)-1, ""}
267 };
268
269 char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
270         j2k_prog_order_t *po;
271         for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
272                 if(po->enum_prog == prg_order){
273                         break;
274                 }
275         }
276         return po->str_prog;
277 }
278
279 /* ----------------------------------------------------------------------- */
280 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
281         char *prog;
282         int i;
283         int tpnum=1,tpend=0;
284         opj_tcp_t *tcp = &cp->tcps[tileno];
285         prog = j2k_convert_progression_order(tcp->prg);
286         
287         if(cp->tp_on == 1){
288                 for(i=0;i<4;i++){
289                         if(tpend!=1){
290                                 if( cp->tp_flag == prog[i] ){
291                                         tpend=1;cp->tp_pos=i;
292                                 }
293                                 switch(prog[i]){
294                                 case 'C':
295                                         tpnum= tpnum * tcp->pocs[pino].compE;
296                                         break;
297                                 case 'R':
298                                         tpnum= tpnum * tcp->pocs[pino].resE;
299                                         break;
300                                 case 'P':
301                                         tpnum= tpnum * tcp->pocs[pino].prcE;
302                                         break;
303                                 case 'L':
304                                         tpnum= tpnum * tcp->pocs[pino].layE;
305                                         break;
306                                 }
307                         }
308                 }
309         }else{
310                 tpnum=1;
311         }
312         return tpnum;
313 }
314
315 /**     mem allocation for TLM marker*/
316 int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
317         int pino,tileno,totnum_tp=0;
318
319         OPJ_ARG_NOT_USED(img_numcomp);
320
321         j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
322         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
323                 int cur_totnum_tp = 0;
324                 opj_tcp_t *tcp = &cp->tcps[tileno];
325                 for(pino = 0; pino <= tcp->numpocs; pino++) {
326                         int tp_num=0;
327                         opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
328                         if(!pi) { return -1;}
329                         tp_num = j2k_get_num_tp(cp,pino,tileno);
330                         totnum_tp = totnum_tp + tp_num;
331                         cur_totnum_tp = cur_totnum_tp + tp_num;
332                         pi_destroy(pi, cp, tileno);
333                 }
334                 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
335                 /* INDEX >> */
336                 if (j2k->cstr_info) {
337                         j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp;
338                         j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
339                 }
340                 /* << INDEX */
341         }
342         return totnum_tp;
343 }
344
345 static void j2k_write_soc(opj_j2k_t *j2k) {
346         opj_cio_t *cio = j2k->cio;
347         cio_write(cio, J2K_MS_SOC, 2);
348
349         if(j2k->cstr_info)
350           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0);
351
352 /* UniPG>> */
353 #ifdef USE_JPWL
354
355         /* update markers struct */
356         j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
357 #endif /* USE_JPWL */
358 /* <<UniPG */
359 }
360
361 static void j2k_read_soc(opj_j2k_t *j2k) {      
362         j2k->state = J2K_STATE_MHSIZ;
363         /* Index */
364         if (j2k->cstr_info) {
365                 j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2;
366                 j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start;
367         }
368 }
369
370 static void j2k_write_siz(opj_j2k_t *j2k) {
371         int i;
372         int lenp, len;
373
374         opj_cio_t *cio = j2k->cio;
375         opj_image_t *image = j2k->image;
376         opj_cp_t *cp = j2k->cp;
377
378         cio_write(cio, J2K_MS_SIZ, 2);  /* SIZ */
379         lenp = cio_tell(cio);
380         cio_skip(cio, 2);
381         cio_write(cio, cp->rsiz, 2);                    /* Rsiz (capabilities) */
382         cio_write(cio, image->x1, 4);   /* Xsiz */
383         cio_write(cio, image->y1, 4);   /* Ysiz */
384         cio_write(cio, image->x0, 4);   /* X0siz */
385         cio_write(cio, image->y0, 4);   /* Y0siz */
386         cio_write(cio, cp->tdx, 4);             /* XTsiz */
387         cio_write(cio, cp->tdy, 4);             /* YTsiz */
388         cio_write(cio, cp->tx0, 4);             /* XT0siz */
389         cio_write(cio, cp->ty0, 4);             /* YT0siz */
390         cio_write(cio, image->numcomps, 2);     /* Csiz */
391         for (i = 0; i < image->numcomps; i++) {
392                 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1);      /* Ssiz_i */
393                 cio_write(cio, image->comps[i].dx, 1);  /* XRsiz_i */
394                 cio_write(cio, image->comps[i].dy, 1);  /* YRsiz_i */
395         }
396         len = cio_tell(cio) - lenp;
397         cio_seek(cio, lenp);
398         cio_write(cio, len, 2);         /* Lsiz */
399         cio_seek(cio, lenp + len);
400         
401         if(j2k->cstr_info)
402           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
403 }
404
405 static void j2k_read_siz(opj_j2k_t *j2k) {
406         int len, i;
407         
408         opj_cio_t *cio = j2k->cio;
409         opj_image_t *image = j2k->image;
410         opj_cp_t *cp = j2k->cp;
411         
412         len = cio_read(cio, 2);                 /* Lsiz */
413         cio_read(cio, 2);                               /* Rsiz (capabilities) */
414         image->x1 = cio_read(cio, 4);   /* Xsiz */
415         image->y1 = cio_read(cio, 4);   /* Ysiz */
416         image->x0 = cio_read(cio, 4);   /* X0siz */
417         image->y0 = cio_read(cio, 4);   /* Y0siz */
418         cp->tdx = cio_read(cio, 4);             /* XTsiz */
419         cp->tdy = cio_read(cio, 4);             /* YTsiz */
420         cp->tx0 = cio_read(cio, 4);             /* XT0siz */
421         cp->ty0 = cio_read(cio, 4);             /* YT0siz */
422         
423         if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
424                 opj_event_msg(j2k->cinfo, EVT_ERROR,
425                                                                         "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
426                                                                         image->x0,image->x1,image->y0,image->y1);
427                 return;
428         }
429         
430         image->numcomps = cio_read(cio, 2);     /* Csiz */
431
432 #ifdef USE_JPWL
433         if (j2k->cp->correct) {
434                 /* if JPWL is on, we check whether TX errors have damaged
435                   too much the SIZ parameters */
436                 if (!(image->x1 * image->y1)) {
437                         opj_event_msg(j2k->cinfo, EVT_ERROR,
438                                 "JPWL: bad image size (%d x %d)\n",
439                                 image->x1, image->y1);
440                         if (!JPWL_ASSUME || JPWL_ASSUME) {
441                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
442                                 return;
443                         }
444                 }
445                 if (image->numcomps != ((len - 38) / 3)) {
446                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
447                                 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
448                                 image->numcomps, ((len - 38) / 3));
449                         if (!JPWL_ASSUME) {
450                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
451                                 return;
452                         }
453                         /* we try to correct */
454                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
455                         if (image->numcomps < ((len - 38) / 3)) {
456                                 len = 38 + 3 * image->numcomps;
457                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
458                                         len);                           
459                         } else {
460                                 image->numcomps = ((len - 38) / 3);
461                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
462                                         image->numcomps);                               
463                         }
464                 }
465
466                 /* update components number in the jpwl_exp_comps filed */
467                 cp->exp_comps = image->numcomps;
468         }
469 #endif /* USE_JPWL */
470
471         image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
472         for (i = 0; i < image->numcomps; i++) {
473                 int tmp, w, h;
474                 tmp = cio_read(cio, 1);         /* Ssiz_i */
475                 image->comps[i].prec = (tmp & 0x7f) + 1;
476                 image->comps[i].sgnd = tmp >> 7;
477                 image->comps[i].dx = cio_read(cio, 1);  /* XRsiz_i */
478                 image->comps[i].dy = cio_read(cio, 1);  /* YRsiz_i */
479                 
480 #ifdef USE_JPWL
481                 if (j2k->cp->correct) {
482                 /* if JPWL is on, we check whether TX errors have damaged
483                         too much the SIZ parameters, again */
484                         if (!(image->comps[i].dx * image->comps[i].dy)) {
485                                 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
486                                         "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
487                                         i, i, image->comps[i].dx, image->comps[i].dy);
488                                 if (!JPWL_ASSUME) {
489                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
490                                         return;
491                                 }
492                                 /* we try to correct */
493                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
494                                 if (!image->comps[i].dx) {
495                                         image->comps[i].dx = 1;
496                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
497                                                 i, image->comps[i].dx);
498                                 }
499                                 if (!image->comps[i].dy) {
500                                         image->comps[i].dy = 1;
501                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
502                                                 i, image->comps[i].dy);
503                                 }
504                         }
505                         
506                 }
507 #endif /* USE_JPWL */
508
509                 /* TODO: unused ? */
510                 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
511                 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
512
513                 image->comps[i].resno_decoded = 0;      /* number of resolution decoded */
514                 image->comps[i].factor = cp->reduce; /* reducing factor per component */
515         }
516         
517         cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
518         cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
519
520 #ifdef USE_JPWL
521         if (j2k->cp->correct) {
522                 /* if JPWL is on, we check whether TX errors have damaged
523                   too much the SIZ parameters */
524                 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
525                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
526                                 "JPWL: bad number of tiles (%d x %d)\n",
527                                 cp->tw, cp->th);
528                         if (!JPWL_ASSUME) {
529                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
530                                 return;
531                         }
532                         /* we try to correct */
533                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
534                         if (cp->tw < 1) {
535                                 cp->tw= 1;
536                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
537                                         cp->tw);
538                         }
539                         if (cp->tw > cp->max_tiles) {
540                                 cp->tw= 1;
541                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
542                                         "- setting %d tiles in x => HYPOTHESIS!!!\n",
543                                         cp->max_tiles, cp->tw);
544                         }
545                         if (cp->th < 1) {
546                                 cp->th= 1;
547                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
548                                         cp->th);
549                         }
550                         if (cp->th > cp->max_tiles) {
551                                 cp->th= 1;
552                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
553                                         "- setting %d tiles in y => HYPOTHESIS!!!\n",
554                                         cp->max_tiles, cp->th);
555                         }
556                 }
557         }
558 #endif /* USE_JPWL */
559
560         cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
561     if (cp->tcps == NULL)
562     {
563         opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
564         return;
565     }
566         cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
567     if (cp->tileno == NULL)
568     {
569         opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
570         return;
571     }
572         cp->tileno_size = 0;
573         
574 #ifdef USE_JPWL
575         if (j2k->cp->correct) {
576                 if (!cp->tcps) {
577                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
578                                 "JPWL: could not alloc tcps field of cp\n");
579                         if (!JPWL_ASSUME || JPWL_ASSUME) {
580                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
581                                 return;
582                         }
583                 }
584         }
585 #endif /* USE_JPWL */
586
587         for (i = 0; i < cp->tw * cp->th; i++) {
588                 cp->tcps[i].POC = 0;
589                 cp->tcps[i].numpocs = 0;
590                 cp->tcps[i].first = 1;
591         }
592         
593         /* Initialization for PPM marker */
594         cp->ppm = 0;
595         cp->ppm_data = NULL;
596         cp->ppm_data_first = NULL;
597         cp->ppm_previous = 0;
598         cp->ppm_store = 0;
599
600         j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
601         for (i = 0; i < cp->tw * cp->th; i++) {
602                 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
603         }       
604         j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
605         j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
606         j2k->state = J2K_STATE_MH;
607
608         /* Index */
609         if (j2k->cstr_info) {
610                 opj_codestream_info_t *cstr_info = j2k->cstr_info;
611                 cstr_info->image_w = image->x1 - image->x0;
612                 cstr_info->image_h = image->y1 - image->y0;
613                 cstr_info->numcomps = image->numcomps;
614                 cstr_info->tw = cp->tw;
615                 cstr_info->th = cp->th;
616                 cstr_info->tile_x = cp->tdx;    
617                 cstr_info->tile_y = cp->tdy;    
618                 cstr_info->tile_Ox = cp->tx0;   
619                 cstr_info->tile_Oy = cp->ty0;                   
620                 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));              
621         }
622 }
623
624 static void j2k_write_com(opj_j2k_t *j2k) {
625         unsigned int i;
626         int lenp, len;
627
628         if(j2k->cp->comment) {
629                 opj_cio_t *cio = j2k->cio;
630                 char *comment = j2k->cp->comment;
631
632                 cio_write(cio, J2K_MS_COM, 2);
633                 lenp = cio_tell(cio);
634                 cio_skip(cio, 2);
635                 cio_write(cio, 1, 2);           /* General use (IS 8859-15:1999 (Latin) values) */
636                 for (i = 0; i < strlen(comment); i++) {
637                         cio_write(cio, comment[i], 1);
638                 }
639                 len = cio_tell(cio) - lenp;
640                 cio_seek(cio, lenp);
641                 cio_write(cio, len, 2);
642                 cio_seek(cio, lenp + len);
643
644                 
645                 if(j2k->cstr_info)
646                   j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
647
648         }
649 }
650
651 static void j2k_read_com(opj_j2k_t *j2k) {
652         int len;
653         
654         opj_cio_t *cio = j2k->cio;
655
656         len = cio_read(cio, 2);
657         cio_skip(cio, len - 2);  
658 }
659
660 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
661         int i;
662
663         opj_cp_t *cp = j2k->cp;
664         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
665         opj_tccp_t *tccp = &tcp->tccps[compno];
666         opj_cio_t *cio = j2k->cio;
667         
668         cio_write(cio, tccp->numresolutions - 1, 1);    /* SPcox (D) */
669         cio_write(cio, tccp->cblkw - 2, 1);                             /* SPcox (E) */
670         cio_write(cio, tccp->cblkh - 2, 1);                             /* SPcox (F) */
671         cio_write(cio, tccp->cblksty, 1);                               /* SPcox (G) */
672         cio_write(cio, tccp->qmfbid, 1);                                /* SPcox (H) */
673         
674         if (tccp->csty & J2K_CCP_CSTY_PRT) {
675                 for (i = 0; i < tccp->numresolutions; i++) {
676                         cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1);        /* SPcox (I_i) */
677                 }
678         }
679 }
680
681 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
682         int i;
683
684         opj_cp_t *cp = j2k->cp;
685         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
686         opj_tccp_t *tccp = &tcp->tccps[compno];
687         opj_cio_t *cio = j2k->cio;
688
689         tccp->numresolutions = cio_read(cio, 1) + 1;    /* SPcox (D) */
690
691         /* If user wants to remove more resolutions than the codestream contains, return error*/
692         if (cp->reduce >= tccp->numresolutions) {
693                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
694                                         "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
695                 j2k->state |= J2K_STATE_ERR;
696         }
697
698         tccp->cblkw = cio_read(cio, 1) + 2;     /* SPcox (E) */
699         tccp->cblkh = cio_read(cio, 1) + 2;     /* SPcox (F) */
700         tccp->cblksty = cio_read(cio, 1);       /* SPcox (G) */
701         tccp->qmfbid = cio_read(cio, 1);        /* SPcox (H) */
702         if (tccp->csty & J2K_CP_CSTY_PRT) {
703                 for (i = 0; i < tccp->numresolutions; i++) {
704                         int tmp = cio_read(cio, 1);     /* SPcox (I_i) */
705                         tccp->prcw[i] = tmp & 0xf;
706                         tccp->prch[i] = tmp >> 4;
707                 }
708         }
709
710         /* INDEX >> */
711         if(j2k->cstr_info && compno == 0) {
712                 for (i = 0; i < tccp->numresolutions; i++) {
713                         if (tccp->csty & J2K_CP_CSTY_PRT) {
714                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
715                                 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
716                         }
717                         else {
718                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
719                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
720                         }
721                 }
722         }
723         /* << INDEX */
724 }
725
726 static void j2k_write_cod(opj_j2k_t *j2k) {
727         opj_cp_t *cp = NULL;
728         opj_tcp_t *tcp = NULL;
729         int lenp, len;
730
731         opj_cio_t *cio = j2k->cio;
732         
733         cio_write(cio, J2K_MS_COD, 2);  /* COD */
734         
735         lenp = cio_tell(cio);
736         cio_skip(cio, 2);
737         
738         cp = j2k->cp;
739         tcp = &cp->tcps[j2k->curtileno];
740
741         cio_write(cio, tcp->csty, 1);           /* Scod */
742         cio_write(cio, tcp->prg, 1);            /* SGcod (A) */
743         cio_write(cio, tcp->numlayers, 2);      /* SGcod (B) */
744         cio_write(cio, tcp->mct, 1);            /* SGcod (C) */
745         
746         j2k_write_cox(j2k, 0);
747         len = cio_tell(cio) - lenp;
748         cio_seek(cio, lenp);
749         cio_write(cio, len, 2);         /* Lcod */
750         cio_seek(cio, lenp + len);
751
752         if(j2k->cstr_info)
753           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
754
755 }
756
757 static void j2k_read_cod(opj_j2k_t *j2k) {
758         int len, i, pos;
759         
760         opj_cio_t *cio = j2k->cio;
761         opj_cp_t *cp = j2k->cp;
762         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
763         opj_image_t *image = j2k->image;
764         
765         len = cio_read(cio, 2);                         /* Lcod */
766         tcp->csty = cio_read(cio, 1);           /* Scod */
767         tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);            /* SGcod (A) */
768         tcp->numlayers = cio_read(cio, 2);      /* SGcod (B) */
769         tcp->mct = cio_read(cio, 1);            /* SGcod (C) */
770         
771         pos = cio_tell(cio);
772         for (i = 0; i < image->numcomps; i++) {
773                 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
774                 cio_seek(cio, pos);
775                 j2k_read_cox(j2k, i);
776         }
777
778         /* Index */
779         if (j2k->cstr_info) {
780                 opj_codestream_info_t *cstr_info = j2k->cstr_info;
781                 cstr_info->prog = tcp->prg;
782                 cstr_info->numlayers = tcp->numlayers;
783                 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
784                 for (i = 0; i < image->numcomps; i++) {
785                         cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
786                 }
787         }
788 }
789
790 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
791         int lenp, len;
792
793         opj_cp_t *cp = j2k->cp;
794         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
795         opj_image_t *image = j2k->image;
796         opj_cio_t *cio = j2k->cio;
797         
798         cio_write(cio, J2K_MS_COC, 2);  /* COC */
799         lenp = cio_tell(cio);
800         cio_skip(cio, 2);
801         cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
802         cio_write(cio, tcp->tccps[compno].csty, 1);     /* Scoc */
803         j2k_write_cox(j2k, compno);
804         len = cio_tell(cio) - lenp;
805         cio_seek(cio, lenp);
806         cio_write(cio, len, 2);                 /* Lcoc */
807         cio_seek(cio, lenp + len);
808 }
809
810 static void j2k_read_coc(opj_j2k_t *j2k) {
811         int len, compno;
812
813         opj_cp_t *cp = j2k->cp;
814         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
815         opj_image_t *image = j2k->image;
816         opj_cio_t *cio = j2k->cio;
817         
818         len = cio_read(cio, 2);         /* Lcoc */
819         compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
820         tcp->tccps[compno].csty = cio_read(cio, 1);     /* Scoc */
821         j2k_read_cox(j2k, compno);
822 }
823
824 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
825         int bandno, numbands;
826         int expn, mant;
827         
828         opj_cp_t *cp = j2k->cp;
829         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
830         opj_tccp_t *tccp = &tcp->tccps[compno];
831         opj_cio_t *cio = j2k->cio;
832         
833         cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1);        /* Sqcx */
834         numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
835         
836         for (bandno = 0; bandno < numbands; bandno++) {
837                 expn = tccp->stepsizes[bandno].expn;
838                 mant = tccp->stepsizes[bandno].mant;
839                 
840                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
841                         cio_write(cio, expn << 3, 1);   /* SPqcx_i */
842                 } else {
843                         cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
844                 }
845         }
846 }
847
848 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
849         int tmp;
850         int bandno, numbands;
851
852         opj_cp_t *cp = j2k->cp;
853         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
854         opj_tccp_t *tccp = &tcp->tccps[compno];
855         opj_cio_t *cio = j2k->cio;
856
857         tmp = cio_read(cio, 1);         /* Sqcx */
858         tccp->qntsty = tmp & 0x1f;
859         tccp->numgbits = tmp >> 5;
860         numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 
861                 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
862
863 #ifdef USE_JPWL
864         if (j2k->cp->correct) {
865
866                 /* if JPWL is on, we check whether there are too many subbands */
867                 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
868                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
869                                 "JPWL: bad number of subbands in Sqcx (%d)\n",
870                                 numbands);
871                         if (!JPWL_ASSUME) {
872                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
873                                 return;
874                         }
875                         /* we try to correct */
876                         numbands = 1;
877                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
878                                 "- setting number of bands to %d => HYPOTHESIS!!!\n",
879                                 numbands);
880                 };
881
882         };
883
884 #else
885         /* We check whether there are too many subbands */
886         if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
887                 opj_event_msg(j2k->cinfo, EVT_WARNING ,
888                                         "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
889                                     "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
890         }
891
892 #endif /* USE_JPWL */
893
894         for (bandno = 0; bandno < numbands; bandno++) {
895                 int expn, mant;
896                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
897                         expn = cio_read(cio, 1) >> 3;   /* SPqcx_i */
898                         mant = 0;
899                 } else {
900                         tmp = cio_read(cio, 2); /* SPqcx_i */
901                         expn = tmp >> 11;
902                         mant = tmp & 0x7ff;
903                 }
904                 if (bandno < J2K_MAXBANDS){
905                         tccp->stepsizes[bandno].expn = expn;
906                         tccp->stepsizes[bandno].mant = mant;
907                 }
908         }
909         
910         /* Add Antonin : if scalar_derived -> compute other stepsizes */
911         if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
912                 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
913                         tccp->stepsizes[bandno].expn = 
914                                 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ? 
915                                         (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
916                         tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
917                 }
918         }
919         /* ddA */
920 }
921
922 static void j2k_write_qcd(opj_j2k_t *j2k) {
923         int lenp, len;
924
925         opj_cio_t *cio = j2k->cio;
926         
927         cio_write(cio, J2K_MS_QCD, 2);  /* QCD */
928         lenp = cio_tell(cio);
929         cio_skip(cio, 2);
930         j2k_write_qcx(j2k, 0);
931         len = cio_tell(cio) - lenp;
932         cio_seek(cio, lenp);
933         cio_write(cio, len, 2);                 /* Lqcd */
934         cio_seek(cio, lenp + len);
935
936         if(j2k->cstr_info)
937           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
938 }
939
940 static void j2k_read_qcd(opj_j2k_t *j2k) {
941         int len, i, pos;
942
943         opj_cio_t *cio = j2k->cio;
944         opj_image_t *image = j2k->image;
945         
946         len = cio_read(cio, 2);         /* Lqcd */
947         pos = cio_tell(cio);
948         for (i = 0; i < image->numcomps; i++) {
949                 cio_seek(cio, pos);
950                 j2k_read_qcx(j2k, i, len - 2);
951         }
952 }
953
954 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
955         int lenp, len;
956
957         opj_cio_t *cio = j2k->cio;
958         
959         cio_write(cio, J2K_MS_QCC, 2);  /* QCC */
960         lenp = cio_tell(cio);
961         cio_skip(cio, 2);
962         cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2);    /* Cqcc */
963         j2k_write_qcx(j2k, compno);
964         len = cio_tell(cio) - lenp;
965         cio_seek(cio, lenp);
966         cio_write(cio, len, 2);                 /* Lqcc */
967         cio_seek(cio, lenp + len);
968 }
969
970 static void j2k_read_qcc(opj_j2k_t *j2k) {
971         int len, compno;
972         int numcomp = j2k->image->numcomps;
973         opj_cio_t *cio = j2k->cio;
974
975         len = cio_read(cio, 2); /* Lqcc */
976         compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
977
978 #ifdef USE_JPWL
979         if (j2k->cp->correct) {
980
981                 static int backup_compno = 0;
982
983                 /* compno is negative or larger than the number of components!!! */
984                 if ((compno < 0) || (compno >= numcomp)) {
985                         opj_event_msg(j2k->cinfo, EVT_ERROR,
986                                 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
987                                 compno, numcomp);
988                         if (!JPWL_ASSUME) {
989                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
990                                 return;
991                         }
992                         /* we try to correct */
993                         compno = backup_compno % numcomp;
994                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
995                                 "- setting component number to %d\n",
996                                 compno);
997                 }
998
999                 /* keep your private count of tiles */
1000                 backup_compno++;
1001         };
1002 #endif /* USE_JPWL */
1003
1004         j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
1005 }
1006
1007 static void j2k_write_poc(opj_j2k_t *j2k) {
1008         int len, numpchgs, i;
1009
1010         int numcomps = j2k->image->numcomps;
1011         
1012         opj_cp_t *cp = j2k->cp;
1013         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1014         opj_tccp_t *tccp = &tcp->tccps[0];
1015         opj_cio_t *cio = j2k->cio;
1016
1017         numpchgs = 1 + tcp->numpocs;
1018         cio_write(cio, J2K_MS_POC, 2);  /* POC  */
1019         len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1020         cio_write(cio, len, 2);         /* Lpoc */
1021         for (i = 0; i < numpchgs; i++) {
1022                 opj_poc_t *poc = &tcp->pocs[i];
1023                 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1024                 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2));        /* CSpoc_i */
1025                 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1026                 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1027                 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1028                 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1029                 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2));        /* CEpoc_i */
1030                 poc->compno1 = int_min(poc->compno1, numcomps);
1031                 cio_write(cio, poc->prg, 1);    /* Ppoc_i */
1032         }
1033 }
1034
1035 static void j2k_read_poc(opj_j2k_t *j2k) {
1036         int len, numpchgs, i, old_poc;
1037
1038         int numcomps = j2k->image->numcomps;
1039         
1040         opj_cp_t *cp = j2k->cp;
1041         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1042         opj_cio_t *cio = j2k->cio;
1043         
1044         old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1045         tcp->POC = 1;
1046         len = cio_read(cio, 2);         /* Lpoc */
1047         numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1048         
1049         for (i = old_poc; i < numpchgs + old_poc; i++) {
1050                 opj_poc_t *poc;
1051                 poc = &tcp->pocs[i];
1052                 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1053                 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2);  /* CSpoc_i */
1054                 poc->layno1 = cio_read(cio, 2);    /* LYEpoc_i */
1055                 poc->resno1 = cio_read(cio, 1);    /* REpoc_i */
1056                 poc->compno1 = int_min(
1057                         cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps);       /* CEpoc_i */
1058                 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);    /* Ppoc_i */
1059         }
1060         
1061         tcp->numpocs = numpchgs + old_poc - 1;
1062 }
1063
1064 static void j2k_read_crg(opj_j2k_t *j2k) {
1065         int len, i, Xcrg_i, Ycrg_i;
1066         
1067         opj_cio_t *cio = j2k->cio;
1068         int numcomps = j2k->image->numcomps;
1069         
1070         len = cio_read(cio, 2);                 /* Lcrg */
1071         for (i = 0; i < numcomps; i++) {
1072                 Xcrg_i = cio_read(cio, 2);      /* Xcrg_i */
1073                 Ycrg_i = cio_read(cio, 2);      /* Ycrg_i */
1074         }
1075 }
1076
1077 static void j2k_read_tlm(opj_j2k_t *j2k) {
1078         int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1079         long int Ttlm_i, Ptlm_i;
1080
1081         opj_cio_t *cio = j2k->cio;
1082         
1083         len = cio_read(cio, 2);         /* Ltlm */
1084         Ztlm = cio_read(cio, 1);        /* Ztlm */
1085         Stlm = cio_read(cio, 1);        /* Stlm */
1086         ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1087         SP = (Stlm >> 6) & 0x01;
1088         tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1089         for (i = 0; i < tile_tlm; i++) {
1090                 Ttlm_i = cio_read(cio, ST);     /* Ttlm_i */
1091                 Ptlm_i = cio_read(cio, SP ? 4 : 2);     /* Ptlm_i */
1092         }
1093 }
1094
1095 static void j2k_read_plm(opj_j2k_t *j2k) {
1096         int len, i, Zplm, Nplm, add, packet_len = 0;
1097         
1098         opj_cio_t *cio = j2k->cio;
1099
1100         len = cio_read(cio, 2);         /* Lplm */
1101         Zplm = cio_read(cio, 1);        /* Zplm */
1102         len -= 3;
1103         while (len > 0) {
1104                 Nplm = cio_read(cio, 4);                /* Nplm */
1105                 len -= 4;
1106                 for (i = Nplm; i > 0; i--) {
1107                         add = cio_read(cio, 1);
1108                         len--;
1109                         packet_len = (packet_len << 7) + add;   /* Iplm_ij */
1110                         if ((add & 0x80) == 0) {
1111                                 /* New packet */
1112                                 packet_len = 0;
1113                         }
1114                         if (len <= 0)
1115                                 break;
1116                 }
1117         }
1118 }
1119
1120 static void j2k_read_plt(opj_j2k_t *j2k) {
1121         int len, i, Zplt, packet_len = 0, add;
1122         
1123         opj_cio_t *cio = j2k->cio;
1124         
1125         len = cio_read(cio, 2);         /* Lplt */
1126         Zplt = cio_read(cio, 1);        /* Zplt */
1127         for (i = len - 3; i > 0; i--) {
1128                 add = cio_read(cio, 1);
1129                 packet_len = (packet_len << 7) + add;   /* Iplt_i */
1130                 if ((add & 0x80) == 0) {
1131                         /* New packet */
1132                         packet_len = 0;
1133                 }
1134         }
1135 }
1136
1137 static void j2k_read_ppm(opj_j2k_t *j2k) {
1138         int len, Z_ppm, i, j;
1139         int N_ppm;
1140
1141         opj_cp_t *cp = j2k->cp;
1142         opj_cio_t *cio = j2k->cio;
1143         
1144         len = cio_read(cio, 2);
1145         cp->ppm = 1;
1146         
1147         Z_ppm = cio_read(cio, 1);       /* Z_ppm */
1148         len -= 3;
1149         while (len > 0) {
1150                 if (cp->ppm_previous == 0) {
1151                         N_ppm = cio_read(cio, 4);       /* N_ppm */
1152                         len -= 4;
1153                 } else {
1154                         N_ppm = cp->ppm_previous;
1155                 }
1156                 j = cp->ppm_store;
1157                 if (Z_ppm == 0) {       /* First PPM marker */
1158                         cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1159                         cp->ppm_data_first = cp->ppm_data;
1160                         cp->ppm_len = N_ppm;
1161                 } else {                        /* NON-first PPM marker */
1162                         cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm +     cp->ppm_store) * sizeof(unsigned char));
1163
1164 #ifdef USE_JPWL
1165                         /* this memory allocation check could be done even in non-JPWL cases */
1166                         if (cp->correct) {
1167                                 if (!cp->ppm_data) {
1168                                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1169                                                 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1170                                                 cio_tell(cio));
1171                                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1172                                                 opj_free(cp->ppm_data);
1173                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1174                                                 return;
1175                                         }
1176                                 }
1177                         }
1178 #endif
1179
1180                         cp->ppm_data_first = cp->ppm_data;
1181                         cp->ppm_len = N_ppm + cp->ppm_store;
1182                 }
1183                 for (i = N_ppm; i > 0; i--) {   /* Read packet header */
1184                         cp->ppm_data[j] = cio_read(cio, 1);
1185                         j++;
1186                         len--;
1187                         if (len == 0)
1188                                 break;                  /* Case of non-finished packet header in present marker but finished in next one */
1189                 }
1190                 cp->ppm_previous = i - 1;
1191                 cp->ppm_store = j;
1192         }
1193 }
1194
1195 static void j2k_read_ppt(opj_j2k_t *j2k) {
1196         int len, Z_ppt, i, j = 0;
1197
1198         opj_cp_t *cp = j2k->cp;
1199         opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1200         opj_cio_t *cio = j2k->cio;
1201
1202         len = cio_read(cio, 2);
1203         Z_ppt = cio_read(cio, 1);
1204         tcp->ppt = 1;
1205         if (Z_ppt == 0) {               /* First PPT marker */
1206                 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1207                 tcp->ppt_data_first = tcp->ppt_data;
1208                 tcp->ppt_store = 0;
1209                 tcp->ppt_len = len - 3;
1210         } else {                        /* NON-first PPT marker */
1211                 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1212                 tcp->ppt_data_first = tcp->ppt_data;
1213                 tcp->ppt_len = len - 3 + tcp->ppt_store;
1214         }
1215         j = tcp->ppt_store;
1216         for (i = len - 3; i > 0; i--) {
1217                 tcp->ppt_data[j] = cio_read(cio, 1);
1218                 j++;
1219         }
1220         tcp->ppt_store = j;
1221 }
1222
1223 static void j2k_write_tlm(opj_j2k_t *j2k){
1224         int lenp;
1225         opj_cio_t *cio = j2k->cio;
1226         j2k->tlm_start = cio_tell(cio);
1227         cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1228         lenp = 4 + (5*j2k->totnum_tp);
1229         cio_write(cio,lenp,2);                          /* Ltlm */
1230         cio_write(cio, 0,1);                                    /* Ztlm=0*/
1231         cio_write(cio,80,1);                                    /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1232         cio_skip(cio,5*j2k->totnum_tp);
1233 }
1234
1235 static void j2k_write_sot(opj_j2k_t *j2k) {
1236         int lenp, len;
1237
1238         opj_cio_t *cio = j2k->cio;
1239
1240         j2k->sot_start = cio_tell(cio);
1241         cio_write(cio, J2K_MS_SOT, 2);          /* SOT */
1242         lenp = cio_tell(cio);
1243         cio_skip(cio, 2);                                       /* Lsot (further) */
1244         cio_write(cio, j2k->curtileno, 2);      /* Isot */
1245         cio_skip(cio, 4);                                       /* Psot (further in j2k_write_sod) */
1246         cio_write(cio, j2k->cur_tp_num , 1);    /* TPsot */
1247         cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1);          /* TNsot */
1248         len = cio_tell(cio) - lenp;
1249         cio_seek(cio, lenp);
1250         cio_write(cio, len, 2);                         /* Lsot */
1251         cio_seek(cio, lenp + len);
1252
1253         /* UniPG>> */
1254 #ifdef USE_JPWL
1255         /* update markers struct */
1256         j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1257 #endif /* USE_JPWL */
1258         /* <<UniPG */
1259
1260         if( j2k->cstr_info && j2k->cur_tp_num==0){
1261           j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1262         }
1263 }
1264
1265 static void j2k_read_sot(opj_j2k_t *j2k) {
1266         int len, tileno, totlen, partno, numparts, i;
1267         opj_tcp_t *tcp = NULL;
1268         char status = 0;
1269
1270         opj_cp_t *cp = j2k->cp;
1271         opj_cio_t *cio = j2k->cio;
1272
1273         len = cio_read(cio, 2);
1274         tileno = cio_read(cio, 2);
1275
1276 #ifdef USE_JPWL
1277         if (j2k->cp->correct) {
1278
1279                 static int backup_tileno = 0;
1280
1281                 /* tileno is negative or larger than the number of tiles!!! */
1282                 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1283                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1284                                 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1285                                 tileno, (cp->tw * cp->th));
1286                         if (!JPWL_ASSUME) {
1287                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1288                                 return;
1289                         }
1290                         /* we try to correct */
1291                         tileno = backup_tileno;
1292                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1293                                 "- setting tile number to %d\n",
1294                                 tileno);
1295                 }
1296
1297                 /* keep your private count of tiles */
1298                 backup_tileno++;
1299         };
1300 #endif /* USE_JPWL */
1301         
1302         if (cp->tileno_size == 0) {
1303                 cp->tileno[cp->tileno_size] = tileno;
1304                 cp->tileno_size++;
1305         } else {
1306                 i = 0;
1307                 while (i < cp->tileno_size && status == 0) {
1308                         status = cp->tileno[i] == tileno ? 1 : 0;
1309                         i++;
1310                 }
1311                 if (status == 0) {
1312                         cp->tileno[cp->tileno_size] = tileno;
1313                         cp->tileno_size++;
1314                 }
1315         }
1316         
1317         totlen = cio_read(cio, 4);
1318
1319 #ifdef USE_JPWL
1320         if (j2k->cp->correct) {
1321
1322                 /* totlen is negative or larger than the bytes left!!! */
1323                 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1324                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1325                                 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1326                                 totlen, cio_numbytesleft(cio) + 8);
1327                         if (!JPWL_ASSUME) {
1328                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1329                                 return;
1330                         }
1331                         /* we try to correct */
1332                         totlen = 0;
1333                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1334                                 "- setting Psot to %d => assuming it is the last tile\n",
1335                                 totlen);
1336                 }
1337
1338         };
1339 #endif /* USE_JPWL */
1340
1341         if (!totlen)
1342                 totlen = cio_numbytesleft(cio) + 8;
1343         
1344         partno = cio_read(cio, 1);
1345         numparts = cio_read(cio, 1);
1346   
1347   if (partno >= numparts) {
1348     opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater (%d) than number of tile-parts (%d)\n", tileno, partno, numparts);
1349     numparts = partno+1;
1350   }
1351         
1352         j2k->curtileno = tileno;
1353         j2k->cur_tp_num = partno;
1354         j2k->eot = cio_getbp(cio) - 12 + totlen;
1355         j2k->state = J2K_STATE_TPH;
1356         tcp = &cp->tcps[j2k->curtileno];
1357
1358         /* Index */
1359         if (j2k->cstr_info) {
1360                 if (tcp->first) {
1361                         if (tileno == 0) 
1362                                 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1363                         j2k->cstr_info->tile[tileno].tileno = tileno;
1364                         j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1365                         j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;                             
1366     } else {
1367                         j2k->cstr_info->tile[tileno].end_pos += totlen;
1368                 }
1369     j2k->cstr_info->tile[tileno].num_tps = numparts;
1370     if (numparts)
1371       j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1372     else
1373       j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); /* Fixme (10)*/
1374                 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1375                 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos = 
1376                         j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1377         }
1378         
1379         if (tcp->first == 1) {          
1380                 /* Initialization PPT */
1381                 opj_tccp_t *tmp = tcp->tccps;
1382                 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1383                 tcp->ppt = 0;
1384                 tcp->ppt_data = NULL;
1385                 tcp->ppt_data_first = NULL;
1386                 tcp->tccps = tmp;
1387
1388                 for (i = 0; i < j2k->image->numcomps; i++) {
1389                         tcp->tccps[i] = j2k->default_tcp->tccps[i];
1390                 }
1391                 cp->tcps[j2k->curtileno].first = 0;
1392         }
1393 }
1394
1395 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1396         int l, layno;
1397         int totlen;
1398         opj_tcp_t *tcp = NULL;
1399         opj_codestream_info_t *cstr_info = NULL;
1400         
1401         opj_tcd_t *tcd = (opj_tcd_t*)tile_coder;        /* cast is needed because of conflicts in header inclusions */
1402         opj_cp_t *cp = j2k->cp;
1403         opj_cio_t *cio = j2k->cio;
1404
1405         tcd->tp_num = j2k->tp_num ;
1406         tcd->cur_tp_num = j2k->cur_tp_num;
1407         
1408         cio_write(cio, J2K_MS_SOD, 2);
1409
1410         if( j2k->cstr_info && j2k->cur_tp_num==0){
1411           j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1412         }
1413
1414         if (j2k->curtileno == 0) {
1415                 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1416         }
1417
1418         /* INDEX >> */
1419         cstr_info = j2k->cstr_info;
1420         if (cstr_info) {
1421                 if (!j2k->cur_tp_num ) {
1422                         cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1423                         j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1424                 }
1425                 else{
1426                         if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1427                                 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1428                 }
1429                 /* UniPG>> */
1430 #ifdef USE_JPWL
1431                 /* update markers struct */
1432                 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1433 #endif /* USE_JPWL */
1434                 /* <<UniPG */
1435         }
1436         /* << INDEX */
1437         
1438         tcp = &cp->tcps[j2k->curtileno];
1439         for (layno = 0; layno < tcp->numlayers; layno++) {
1440                 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1441                         tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1442                 } else if (tcp->rates[layno]) {
1443                         tcp->rates[layno]=1;
1444                 }
1445         }
1446         if(j2k->cur_tp_num == 0){
1447                 tcd->tcd_image->tiles->packno = 0;
1448                 if(cstr_info)
1449                         cstr_info->packno = 0;
1450         }
1451         
1452         l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1453         
1454         /* Writing Psot in SOT marker */
1455         totlen = cio_tell(cio) + l - j2k->sot_start;
1456         cio_seek(cio, j2k->sot_start + 6);
1457         cio_write(cio, totlen, 4);
1458         cio_seek(cio, j2k->sot_start + totlen);
1459         /* Writing Ttlm and Ptlm in TLM marker */
1460         if(cp->cinema){
1461                 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1462                 cio_write(cio, j2k->curtileno, 1);
1463                 cio_write(cio, totlen, 4);
1464         }
1465         cio_seek(cio, j2k->sot_start + totlen);
1466 }
1467
1468 static void j2k_read_sod(opj_j2k_t *j2k) {
1469         int len, truncate = 0, i;
1470         unsigned char *data = NULL, *data_ptr = NULL;
1471
1472         opj_cio_t *cio = j2k->cio;
1473         int curtileno = j2k->curtileno;
1474
1475         /* Index */
1476         if (j2k->cstr_info) {
1477                 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1478                         cio_tell(cio) + j2k->pos_correction - 1;
1479                 if (j2k->cur_tp_num == 0)
1480                         j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1481                 j2k->cstr_info->packno = 0;
1482         }
1483         
1484         len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1485
1486         if (len == cio_numbytesleft(cio) + 1) {
1487                 truncate = 1;           /* Case of a truncate codestream */
1488         }       
1489
1490    {/* chop padding bytes: */
1491     unsigned char *s, *e; 
1492
1493     s = cio_getbp(cio);
1494     e = s + len;
1495
1496   if(len > 8) s = e - 8;
1497
1498   if(e[-2] == 0x00 && e[-1] == 0x00) /* padding bytes */
1499   {
1500         while(e > s)
1501  {
1502         if(e[-2] == 0xff && e[-1] == 0xd9)      break;
1503   --len; --e; truncate = 1;
1504  }
1505   }
1506    }
1507
1508         data = j2k->tile_data[curtileno];
1509         data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1510
1511         data_ptr = data + j2k->tile_len[curtileno];
1512         for (i = 0; i < len; i++) {
1513                 data_ptr[i] = cio_read(cio, 1);
1514         }
1515
1516         j2k->tile_len[curtileno] += len;
1517         j2k->tile_data[curtileno] = data;
1518         
1519         if (!truncate) {
1520                 j2k->state = J2K_STATE_TPHSOT;
1521         } else {
1522                 j2k->state = J2K_STATE_NEOC;    /* RAJOUTE !! */
1523         }
1524         j2k->cur_tp_num++;
1525 }
1526
1527 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1528         opj_cp_t *cp = j2k->cp;
1529         opj_tcp_t *tcp = &cp->tcps[tileno];
1530         opj_cio_t *cio = j2k->cio;
1531         int numcomps = j2k->image->numcomps;
1532         
1533         cio_write(cio, J2K_MS_RGN, 2);                                          /* RGN  */
1534         cio_write(cio, numcomps <= 256 ? 5 : 6, 2);                     /* Lrgn */
1535         cio_write(cio, compno, numcomps <= 256 ? 1 : 2);        /* Crgn */
1536         cio_write(cio, 0, 1);                                                           /* Srgn */
1537         cio_write(cio, tcp->tccps[compno].roishift, 1);         /* SPrgn */
1538 }
1539
1540 static void j2k_read_rgn(opj_j2k_t *j2k) {
1541         int len, compno, roisty;
1542
1543         opj_cp_t *cp = j2k->cp;
1544         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1545         opj_cio_t *cio = j2k->cio;
1546         int numcomps = j2k->image->numcomps;
1547
1548         len = cio_read(cio, 2);                                                                         /* Lrgn */
1549         compno = cio_read(cio, numcomps <= 256 ? 1 : 2);                        /* Crgn */
1550         roisty = cio_read(cio, 1);                                                                      /* Srgn */
1551
1552 #ifdef USE_JPWL
1553         if (j2k->cp->correct) {
1554                 /* totlen is negative or larger than the bytes left!!! */
1555                 if (compno >= numcomps) {
1556                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1557                                 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1558                                 compno, numcomps);
1559                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1560                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1561                                 return;
1562                         }
1563                 }
1564         };
1565 #endif /* USE_JPWL */
1566
1567         tcp->tccps[compno].roishift = cio_read(cio, 1);                         /* SPrgn */
1568 }
1569
1570 static void j2k_write_eoc(opj_j2k_t *j2k) {
1571         opj_cio_t *cio = j2k->cio;
1572         /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1573         cio_write(cio, J2K_MS_EOC, 2);
1574
1575 /* UniPG>> */
1576 #ifdef USE_JPWL
1577         /* update markers struct */
1578         j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1579 #endif /* USE_JPWL */
1580 /* <<UniPG */
1581 }
1582
1583 static void j2k_read_eoc(opj_j2k_t *j2k) {
1584         int i, tileno;
1585         opj_bool success;
1586
1587         /* if packets should be decoded */
1588         if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1589                 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1590                 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1591                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1592                         tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1593                         tileno = j2k->cp->tileno[i];
1594                         success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1595                         opj_free(j2k->tile_data[tileno]);
1596                         j2k->tile_data[tileno] = NULL;
1597                         tcd_free_decode_tile(tcd, i);
1598                         if (success == OPJ_FALSE) {
1599                                 j2k->state |= J2K_STATE_ERR;
1600                                 break;
1601                         }
1602                 }
1603                 tcd_free_decode(tcd);
1604                 tcd_destroy(tcd);
1605         }
1606         /* if packets should not be decoded  */
1607         else {
1608                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1609                         tileno = j2k->cp->tileno[i];
1610                         opj_free(j2k->tile_data[tileno]);
1611                         j2k->tile_data[tileno] = NULL;
1612                 }
1613         }       
1614         if (j2k->state & J2K_STATE_ERR)
1615                 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1616         else
1617                 j2k->state = J2K_STATE_MT; 
1618 }
1619
1620 typedef struct opj_dec_mstabent {
1621         /** marker value */
1622         int id;
1623         /** value of the state when the marker can appear */
1624         int states;
1625         /** action linked to the marker */
1626         void (*handler) (opj_j2k_t *j2k);
1627 } opj_dec_mstabent_t;
1628
1629 opj_dec_mstabent_t j2k_dec_mstab[] = {
1630   {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1631   {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1632   {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1633   {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1634   {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1635   {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1636   {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1637   {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1638   {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1639   {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1640   {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1641   {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1642   {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1643   {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1644   {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1645   {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1646   {J2K_MS_SOP, 0, 0},
1647   {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1648   {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1649
1650 #ifdef USE_JPWL
1651   {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1652   {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1653   {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1654   {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1655 #endif /* USE_JPWL */
1656 #ifdef USE_JPSEC
1657   {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1658   {J2K_MS_INSEC, 0, j2k_read_insec},
1659 #endif /* USE_JPSEC */
1660
1661   {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1662 };
1663
1664 static void j2k_read_unk(opj_j2k_t *j2k) {
1665         opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1666
1667 #ifdef USE_JPWL
1668         if (j2k->cp->correct) {
1669                 int m = 0, id, i;
1670                 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1671                 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1672                 id = cio_read(j2k->cio, 2);
1673                 opj_event_msg(j2k->cinfo, EVT_ERROR,
1674                         "JPWL: really don't know this marker %x\n",
1675                         id);
1676                 if (!JPWL_ASSUME) {
1677                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1678                                 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1679                         return;
1680                 }
1681                 /* OK, activate this at your own risk!!! */
1682                 /* we look for the marker at the minimum hamming distance from this */
1683                 while (j2k_dec_mstab[m].id) {
1684                         
1685                         /* 1's where they differ */
1686                         tmp_id = j2k_dec_mstab[m].id ^ id;
1687
1688                         /* compute the hamming distance between our id and the current */
1689                         cur_dist = 0;
1690                         for (i = 0; i < 16; i++) {
1691                                 if ((tmp_id >> i) & 0x0001) {
1692                                         cur_dist++;
1693                                 }
1694                         }
1695
1696                         /* if current distance is smaller, set the minimum */
1697                         if (cur_dist < min_dist) {
1698                                 min_dist = cur_dist;
1699                                 min_id = j2k_dec_mstab[m].id;
1700                         }
1701                         
1702                         /* jump to the next marker */
1703                         m++;
1704                 }
1705
1706                 /* do we substitute the marker? */
1707                 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1708                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1709                                 "- marker %x is at distance %d from the read %x\n",
1710                                 min_id, min_dist, id);
1711                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1712                                 "- trying to substitute in place and crossing fingers!\n");
1713                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1714                         cio_write(j2k->cio, min_id, 2);
1715
1716                         /* rewind */
1717                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1718
1719                 }
1720
1721         };
1722 #endif /* USE_JPWL */
1723
1724 }
1725
1726 /**
1727 Read the lookup table containing all the marker, status and action
1728 @param id Marker value
1729 */
1730 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1731         opj_dec_mstabent_t *e;
1732         for (e = j2k_dec_mstab; e->id != 0; e++) {
1733                 if (e->id == id) {
1734                         break;
1735                 }
1736         }
1737         return e;
1738 }
1739
1740 /* ----------------------------------------------------------------------- */
1741 /* J2K / JPT decoder interface                                             */
1742 /* ----------------------------------------------------------------------- */
1743
1744 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1745         opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1746         if(!j2k)
1747                 return NULL;
1748
1749         j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1750         if(!j2k->default_tcp) {
1751                 opj_free(j2k);
1752                 return NULL;
1753         }
1754
1755         j2k->cinfo = cinfo;
1756         j2k->tile_data = NULL;
1757
1758         return j2k;
1759 }
1760
1761 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1762         int i = 0;
1763
1764         if(j2k->tile_len != NULL) {
1765                 opj_free(j2k->tile_len);
1766         }
1767         if(j2k->tile_data != NULL) {
1768         if(j2k->cp != NULL) {
1769             for (i = 0; i < j2k->cp->tileno_size; i++) {
1770                 int tileno = j2k->cp->tileno[i];
1771                 opj_free(j2k->tile_data[tileno]);
1772                 j2k->tile_data[tileno] = NULL;
1773             }
1774         }
1775
1776                 opj_free(j2k->tile_data);
1777         }
1778         if(j2k->default_tcp != NULL) {
1779                 opj_tcp_t *default_tcp = j2k->default_tcp;
1780                 if(default_tcp->ppt_data_first != NULL) {
1781                         opj_free(default_tcp->ppt_data_first);
1782                 }
1783                 if(j2k->default_tcp->tccps != NULL) {
1784                         opj_free(j2k->default_tcp->tccps);
1785                 }
1786                 opj_free(j2k->default_tcp);
1787         }
1788         if(j2k->cp != NULL) {
1789                 opj_cp_t *cp = j2k->cp;
1790                 if(cp->tcps != NULL) {
1791                         for(i = 0; i < cp->tw * cp->th; i++) {
1792                                 if(cp->tcps[i].ppt_data_first != NULL) {
1793                                         opj_free(cp->tcps[i].ppt_data_first);
1794                                 }
1795                                 if(cp->tcps[i].tccps != NULL) {
1796                                         opj_free(cp->tcps[i].tccps);
1797                                 }
1798                         }
1799                         opj_free(cp->tcps);
1800                 }
1801                 if(cp->ppm_data_first != NULL) {
1802                         opj_free(cp->ppm_data_first);
1803                 }
1804                 if(cp->tileno != NULL) {
1805                         opj_free(cp->tileno);  
1806                 }
1807                 if(cp->comment != NULL) {
1808                         opj_free(cp->comment);
1809                 }
1810
1811                 opj_free(cp);
1812         }
1813         opj_free(j2k);
1814 }
1815
1816 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1817         if(j2k && parameters) {
1818                 /* create and initialize the coding parameters structure */
1819                 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1820                 cp->reduce = parameters->cp_reduce;     
1821                 cp->layer = parameters->cp_layer;
1822                 cp->limit_decoding = parameters->cp_limit_decoding;
1823
1824 #ifdef USE_JPWL
1825                 cp->correct = parameters->jpwl_correct;
1826                 cp->exp_comps = parameters->jpwl_exp_comps;
1827                 cp->max_tiles = parameters->jpwl_max_tiles;
1828 #endif /* USE_JPWL */
1829
1830
1831                 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1832                 j2k->cp = cp;
1833         }
1834 }
1835
1836 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1837         opj_image_t *image = NULL;
1838
1839         opj_common_ptr cinfo = j2k->cinfo;      
1840
1841         j2k->cio = cio;
1842         j2k->cstr_info = cstr_info;
1843         if (cstr_info)
1844                 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1845
1846         /* create an empty image */
1847         image = opj_image_create0();
1848         j2k->image = image;
1849
1850         j2k->state = J2K_STATE_MHSOC;
1851
1852         for (;;) {
1853                 opj_dec_mstabent_t *e;
1854                 int id = cio_read(cio, 2);
1855
1856 #ifdef USE_JPWL
1857                 /* we try to honor JPWL correction power */
1858                 if (j2k->cp->correct) {
1859
1860                         int orig_pos = cio_tell(cio);
1861                         opj_bool status;
1862
1863                         /* call the corrector */
1864                         status = jpwl_correct(j2k);
1865
1866                         /* go back to where you were */
1867                         cio_seek(cio, orig_pos - 2);
1868
1869                         /* re-read the marker */
1870                         id = cio_read(cio, 2);
1871
1872                         /* check whether it begins with ff */
1873                         if (id >> 8 != 0xff) {
1874                                 opj_event_msg(cinfo, EVT_ERROR,
1875                                         "JPWL: possible bad marker %x at %d\n",
1876                                         id, cio_tell(cio) - 2);
1877                                 if (!JPWL_ASSUME) {
1878                                         opj_image_destroy(image);
1879                                         opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1880                                         return 0;
1881                                 }
1882                                 /* we try to correct */
1883                                 id = id | 0xff00;
1884                                 cio_seek(cio, cio_tell(cio) - 2);
1885                                 cio_write(cio, id, 2);
1886                                 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1887                                         "- setting marker to %x\n",
1888                                         id);
1889                         }
1890
1891                 }
1892 #endif /* USE_JPWL */
1893
1894                 if (id >> 8 != 0xff) {
1895                 if(cio_numbytesleft(cio) != 0) /* not end of file reached and no EOC */
1896            {
1897                 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1898                 opj_image_destroy(image);
1899                 return 0;
1900            }
1901                 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1902                 j2k->state = J2K_STATE_NEOC;
1903                 break;
1904                 }
1905                 e = j2k_dec_mstab_lookup(id);
1906                 /* Check if the marker is known*/
1907                 if (!(j2k->state & e->states)) {
1908                         opj_image_destroy(image);
1909                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1910                         return 0;
1911                 }
1912                 /* Check if the decoding is limited to the main header*/
1913                 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1914                         opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1915                         return image;
1916                 }               
1917
1918                 if (e->handler) {
1919                         (*e->handler)(j2k);
1920                 }
1921                 if (j2k->state & J2K_STATE_ERR) 
1922         {
1923             opj_image_destroy(image);
1924                         return NULL;    
1925         }
1926
1927                 if (j2k->state == J2K_STATE_MT) {
1928                         break;
1929                 }
1930                 if (j2k->state == J2K_STATE_NEOC) {
1931                         break;
1932                 }
1933         }
1934         if (j2k->state == J2K_STATE_NEOC) {
1935                 j2k_read_eoc(j2k);
1936         }
1937
1938         if (j2k->state != J2K_STATE_MT) {
1939                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1940         }
1941         return image;
1942 }
1943
1944 /*
1945 * Read a JPT-stream and decode file
1946 *
1947 */
1948 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio,  opj_codestream_info_t *cstr_info) {
1949         opj_image_t *image = NULL;
1950         opj_jpt_msg_header_t header;
1951         int position;
1952         opj_common_ptr cinfo = j2k->cinfo;
1953
1954         OPJ_ARG_NOT_USED(cstr_info);
1955
1956         j2k->cio = cio;
1957
1958         /* create an empty image */
1959         image = opj_image_create0();
1960         j2k->image = image;
1961
1962         j2k->state = J2K_STATE_MHSOC;
1963         
1964         /* Initialize the header */
1965         jpt_init_msg_header(&header);
1966         /* Read the first header of the message */
1967         jpt_read_msg_header(cinfo, cio, &header);
1968         
1969         position = cio_tell(cio);
1970         if (header.Class_Id != 6) {     /* 6 : Main header data-bin message */
1971                 opj_image_destroy(image);
1972                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1973                 return 0;
1974         }
1975         
1976         for (;;) {
1977                 opj_dec_mstabent_t *e = NULL;
1978                 int id;
1979                 
1980                 if (!cio_numbytesleft(cio)) {
1981                         j2k_read_eoc(j2k);
1982                         return image;
1983                 }
1984                 /* data-bin read -> need to read a new header */
1985                 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1986                         jpt_read_msg_header(cinfo, cio, &header);
1987                         position = cio_tell(cio);
1988                         if (header.Class_Id != 4) {     /* 4 : Tile data-bin message */
1989                                 opj_image_destroy(image);
1990                                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1991                                 return 0;
1992                         }
1993                 }
1994                 
1995                 id = cio_read(cio, 2);
1996                 if (id >> 8 != 0xff) {
1997         if(cio_numbytesleft(cio) != 0) /* no end of file reached and no EOC */
1998           {
1999                 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2000                 opj_image_destroy(image);
2001                 return 0;
2002           }
2003                 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2004                 j2k->state = J2K_STATE_NEOC;
2005                 break;
2006                 }
2007                 e = j2k_dec_mstab_lookup(id);
2008                 if (!(j2k->state & e->states)) {
2009                         opj_image_destroy(image);
2010                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
2011                         return 0;
2012                 }
2013                 if (e->handler) {
2014                         (*e->handler)(j2k);
2015                 }
2016                 if (j2k->state == J2K_STATE_MT) {
2017                         break;
2018                 }
2019                 if (j2k->state == J2K_STATE_NEOC) {
2020                         break;
2021                 }
2022         }
2023         if (j2k->state == J2K_STATE_NEOC) {
2024                 j2k_read_eoc(j2k);
2025         }
2026         
2027         if (j2k->state != J2K_STATE_MT) {
2028                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
2029         }
2030
2031         return image;
2032 }
2033
2034 /* ----------------------------------------------------------------------- */
2035 /* J2K encoder interface                                                       */
2036 /* ----------------------------------------------------------------------- */
2037
2038 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
2039         opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
2040         if(j2k) {
2041                 j2k->cinfo = cinfo;
2042         }
2043         return j2k;
2044 }
2045
2046 void j2k_destroy_compress(opj_j2k_t *j2k) {
2047         int tileno;
2048
2049         if(!j2k) return;
2050         if(j2k->cp != NULL) {
2051                 opj_cp_t *cp = j2k->cp;
2052
2053                 if(cp->comment) {
2054                         opj_free(cp->comment);
2055                 }
2056                 if(cp->matrice) {
2057                         opj_free(cp->matrice);
2058                 }
2059                 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2060                         opj_free(cp->tcps[tileno].tccps);
2061                 }
2062                 opj_free(cp->tcps);
2063                 opj_free(cp);
2064         }
2065
2066         opj_free(j2k);
2067 }
2068
2069 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2070         int i, j, tileno, numpocs_tile;
2071         opj_cp_t *cp = NULL;
2072
2073         if(!j2k || !parameters || ! image) {
2074                 return;
2075         }
2076
2077         /* create and initialize the coding parameters structure */
2078         cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2079
2080         /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2081         j2k->cp = cp;
2082
2083         /* set default values for cp */
2084         cp->tw = 1;
2085         cp->th = 1;
2086
2087         /* 
2088         copy user encoding parameters 
2089         */
2090         cp->cinema = parameters->cp_cinema;
2091         cp->max_comp_size =     parameters->max_comp_size;
2092         cp->rsiz   = parameters->cp_rsiz;
2093         cp->disto_alloc = parameters->cp_disto_alloc;
2094         cp->fixed_alloc = parameters->cp_fixed_alloc;
2095         cp->fixed_quality = parameters->cp_fixed_quality;
2096
2097         /* mod fixed_quality */
2098         if(parameters->cp_matrice) {
2099                 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2100                 cp->matrice = (int *) opj_malloc(array_size);
2101                 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2102         }
2103
2104         /* tiles */
2105         cp->tdx = parameters->cp_tdx;
2106         cp->tdy = parameters->cp_tdy;
2107
2108         /* tile offset */
2109         cp->tx0 = parameters->cp_tx0;
2110         cp->ty0 = parameters->cp_ty0;
2111
2112         /* comment string */
2113         if(parameters->cp_comment) {
2114                 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2115                 if(cp->comment) {
2116                         strcpy(cp->comment, parameters->cp_comment);
2117                 }
2118         }
2119
2120         /*
2121         calculate other encoding parameters
2122         */
2123
2124         if (parameters->tile_size_on) {
2125                 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2126                 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2127         } else {
2128                 cp->tdx = image->x1 - cp->tx0;
2129                 cp->tdy = image->y1 - cp->ty0;
2130         }
2131
2132         if(parameters->tp_on){
2133                 cp->tp_flag = parameters->tp_flag;
2134                 cp->tp_on = 1;
2135         }
2136         
2137         cp->img_size = 0;
2138         for(i=0;i<image->numcomps ;i++){
2139         cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2140         }
2141
2142
2143 #ifdef USE_JPWL
2144         /*
2145         calculate JPWL encoding parameters
2146         */
2147
2148         if (parameters->jpwl_epc_on) {
2149                 int i;
2150
2151                 /* set JPWL on */
2152                 cp->epc_on = OPJ_TRUE;
2153                 cp->info_on = OPJ_FALSE; /* no informative technique */
2154
2155                 /* set EPB on */
2156                 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2157                         cp->epb_on = OPJ_TRUE;
2158                         
2159                         cp->hprot_MH = parameters->jpwl_hprot_MH;
2160                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2161                                 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2162                                 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2163                         }
2164                         /* if tile specs are not specified, copy MH specs */
2165                         if (cp->hprot_TPH[0] == -1) {
2166                                 cp->hprot_TPH_tileno[0] = 0;
2167                                 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2168                         }
2169                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2170                                 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2171                                 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2172                                 cp->pprot[i] = parameters->jpwl_pprot[i];
2173                         }
2174                 }
2175
2176                 /* set ESD writing */
2177                 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2178                         cp->esd_on = OPJ_TRUE;
2179
2180                         cp->sens_size = parameters->jpwl_sens_size;
2181                         cp->sens_addr = parameters->jpwl_sens_addr;
2182                         cp->sens_range = parameters->jpwl_sens_range;
2183
2184                         cp->sens_MH = parameters->jpwl_sens_MH;
2185                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2186                                 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2187                                 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2188                         }
2189                 }
2190
2191                 /* always set RED writing to false: we are at the encoder */
2192                 cp->red_on = OPJ_FALSE;
2193
2194         } else {
2195                 cp->epc_on = OPJ_FALSE;
2196         }
2197 #endif /* USE_JPWL */
2198
2199
2200         /* initialize the mutiple tiles */
2201         /* ---------------------------- */
2202         cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2203
2204         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2205                 opj_tcp_t *tcp = &cp->tcps[tileno];
2206                 tcp->numlayers = parameters->tcp_numlayers;
2207                 for (j = 0; j < tcp->numlayers; j++) {
2208                         if(cp->cinema){
2209                                 if (cp->fixed_quality) {
2210                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2211                                 }
2212                                 tcp->rates[j] = parameters->tcp_rates[j];
2213                         }else{
2214                                 if (cp->fixed_quality) {        /* add fixed_quality */
2215                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2216                                 } else {
2217                                         tcp->rates[j] = parameters->tcp_rates[j];
2218                                 }
2219                         }
2220                 }
2221                 tcp->csty = parameters->csty;
2222                 tcp->prg = parameters->prog_order;
2223                 tcp->mct = parameters->tcp_mct; 
2224
2225                 numpocs_tile = 0;
2226                 tcp->POC = 0;
2227                 if (parameters->numpocs) {
2228                         /* initialisation of POC */
2229                         tcp->POC = 1;
2230                         for (i = 0; i < parameters->numpocs; i++) {
2231                                 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2232                                         opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2233                                         tcp_poc->resno0         = parameters->POC[numpocs_tile].resno0;
2234                                         tcp_poc->compno0        = parameters->POC[numpocs_tile].compno0;
2235                                         tcp_poc->layno1         = parameters->POC[numpocs_tile].layno1;
2236                                         tcp_poc->resno1         = parameters->POC[numpocs_tile].resno1;
2237                                         tcp_poc->compno1        = parameters->POC[numpocs_tile].compno1;
2238                                         tcp_poc->prg1           = parameters->POC[numpocs_tile].prg1;
2239                                         tcp_poc->tile           = parameters->POC[numpocs_tile].tile;
2240                                         numpocs_tile++;
2241                                 }
2242                         }
2243                         tcp->numpocs = numpocs_tile -1 ;
2244                 }else{ 
2245                         tcp->numpocs = 0;
2246                 }
2247
2248                 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2249
2250                 for (i = 0; i < image->numcomps; i++) {
2251                         opj_tccp_t *tccp = &tcp->tccps[i];
2252                         tccp->csty = parameters->csty & 0x01;   /* 0 => one precinct || 1 => custom precinct  */
2253                         tccp->numresolutions = parameters->numresolution;
2254                         tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2255                         tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2256                         tccp->cblksty = parameters->mode;
2257                         tccp->qmfbid = parameters->irreversible ? 0 : 1;
2258                         tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2259                         tccp->numgbits = 2;
2260                         if (i == parameters->roi_compno) {
2261                                 tccp->roishift = parameters->roi_shift;
2262                         } else {
2263                                 tccp->roishift = 0;
2264                         }
2265
2266                         if(parameters->cp_cinema)
2267                         {
2268                                 /*Precinct size for lowest frequency subband=128*/
2269                                 tccp->prcw[0] = 7;
2270                                 tccp->prch[0] = 7;
2271                                 /*Precinct size at all other resolutions = 256*/
2272                                 for (j = 1; j < tccp->numresolutions; j++) {
2273                                         tccp->prcw[j] = 8;
2274                                         tccp->prch[j] = 8;
2275                                 }
2276                         }else{
2277                                 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2278                                         int p = 0;
2279                                         for (j = tccp->numresolutions - 1; j >= 0; j--) {
2280                                                 if (p < parameters->res_spec) {
2281                                                         
2282                                                         if (parameters->prcw_init[p] < 1) {
2283                                                                 tccp->prcw[j] = 1;
2284                                                         } else {
2285                                                                 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2286                                                         }
2287                                                         
2288                                                         if (parameters->prch_init[p] < 1) {
2289                                                                 tccp->prch[j] = 1;
2290                                                         }else {
2291                                                                 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2292                                                         }
2293
2294                                                 } else {
2295                                                         int res_spec = parameters->res_spec;
2296                                                         int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2297                                                         int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2298                                                         
2299                                                         if (size_prcw < 1) {
2300                                                                 tccp->prcw[j] = 1;
2301                                                         } else {
2302                                                                 tccp->prcw[j] = int_floorlog2(size_prcw);
2303                                                         }
2304                                                         
2305                                                         if (size_prch < 1) {
2306                                                                 tccp->prch[j] = 1;
2307                                                         } else {
2308                                                                 tccp->prch[j] = int_floorlog2(size_prch);
2309                                                         }
2310                                                 }
2311                                                 p++;
2312                                                 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2313                                         }       /*end for*/
2314                                 } else {
2315                                         for (j = 0; j < tccp->numresolutions; j++) {
2316                                                 tccp->prcw[j] = 15;
2317                                                 tccp->prch[j] = 15;
2318                                         }
2319                                 }
2320                         }
2321
2322                         dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2323                 }
2324         }
2325 }
2326
2327 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2328         int tileno, compno;
2329         opj_cp_t *cp = NULL;
2330
2331         opj_tcd_t *tcd = NULL;  /* TCD component */
2332
2333         j2k->cio = cio; 
2334         j2k->image = image;
2335
2336         cp = j2k->cp;
2337
2338         /* INDEX >> */
2339         j2k->cstr_info = cstr_info;
2340         if (cstr_info) {
2341                 int compno;
2342                 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2343                 cstr_info->image_w = image->x1 - image->x0;
2344                 cstr_info->image_h = image->y1 - image->y0;
2345                 cstr_info->prog = (&cp->tcps[0])->prg;
2346                 cstr_info->tw = cp->tw;
2347                 cstr_info->th = cp->th;
2348                 cstr_info->tile_x = cp->tdx;    /* new version parser */
2349                 cstr_info->tile_y = cp->tdy;    /* new version parser */
2350                 cstr_info->tile_Ox = cp->tx0;   /* new version parser */
2351                 cstr_info->tile_Oy = cp->ty0;   /* new version parser */
2352                 cstr_info->numcomps = image->numcomps;
2353                 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2354                 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2355                 for (compno=0; compno < image->numcomps; compno++) {
2356                         cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2357                 }
2358                 cstr_info->D_max = 0.0;         /* ADD Marcela */
2359                 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2360                 cstr_info->maxmarknum = 100;
2361                 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2362                 cstr_info->marknum = 0;
2363         }
2364         /* << INDEX */
2365
2366         j2k_write_soc(j2k);
2367         j2k_write_siz(j2k);
2368         j2k_write_cod(j2k);
2369         j2k_write_qcd(j2k);
2370
2371         if(cp->cinema){
2372                 for (compno = 1; compno < image->numcomps; compno++) {
2373                         j2k_write_coc(j2k, compno);
2374                         j2k_write_qcc(j2k, compno);
2375                 }
2376         }
2377
2378         for (compno = 0; compno < image->numcomps; compno++) {
2379                 opj_tcp_t *tcp = &cp->tcps[0];
2380                 if (tcp->tccps[compno].roishift)
2381                         j2k_write_rgn(j2k, compno, 0);
2382         }
2383         if (cp->comment != NULL) {
2384                 j2k_write_com(j2k);
2385         }
2386
2387         j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2388         /* TLM Marker*/
2389         if(cp->cinema){
2390                 j2k_write_tlm(j2k);
2391                 if (cp->cinema == CINEMA4K_24) {
2392                         j2k_write_poc(j2k);
2393                 }
2394         }
2395
2396         /* uncomment only for testing JPSEC marker writing */
2397         /* j2k_write_sec(j2k); */
2398
2399         /* INDEX >> */
2400         if(cstr_info) {
2401                 cstr_info->main_head_end = cio_tell(cio) - 1;
2402         }
2403         /* << INDEX */
2404         /**** Main Header ENDS here ***/
2405
2406         /* create the tile encoder */
2407         tcd = tcd_create(j2k->cinfo);
2408
2409         /* encode each tile */
2410         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2411                 int pino;
2412                 int tilepartno=0;
2413                 /* UniPG>> */
2414                 int acc_pack_num = 0;
2415                 /* <<UniPG */
2416
2417
2418                 opj_tcp_t *tcp = &cp->tcps[tileno];
2419                 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2420
2421                 j2k->curtileno = tileno;
2422                 j2k->cur_tp_num = 0;
2423                 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2424                 /* initialisation before tile encoding  */
2425                 if (tileno == 0) {
2426                         tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2427                 } else {
2428                         tcd_init_encode(tcd, image, cp, j2k->curtileno);
2429                 }
2430
2431                 /* INDEX >> */
2432                 if(cstr_info) {
2433                         cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2434                         cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2435                         cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2436                         cstr_info->tile[j2k->curtileno].marknum = 0;
2437                 }
2438                 /* << INDEX */
2439
2440                 for(pino = 0; pino <= tcp->numpocs; pino++) {
2441                         int tot_num_tp;
2442                         tcd->cur_pino=pino;
2443
2444                         /*Get number of tile parts*/
2445                         tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2446                         tcd->tp_pos = cp->tp_pos;
2447
2448                         for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2449                                 j2k->tp_num = tilepartno;
2450                                 /* INDEX >> */
2451                                 if(cstr_info)
2452                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2453                                         cio_tell(cio) + j2k->pos_correction;
2454                                 /* << INDEX */
2455                                 j2k_write_sot(j2k);
2456
2457                                 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2458                                         for (compno = 1; compno < image->numcomps; compno++) {
2459                                                 j2k_write_coc(j2k, compno);
2460                                                 j2k_write_qcc(j2k, compno);
2461                                         }
2462                                         if (cp->tcps[tileno].numpocs) {
2463                                                 j2k_write_poc(j2k);
2464                                         }
2465                                 }
2466
2467                                 /* INDEX >> */
2468                                 if(cstr_info)
2469                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2470                                         cio_tell(cio) + j2k->pos_correction + 1;
2471                                 /* << INDEX */
2472
2473                                 j2k_write_sod(j2k, tcd);
2474
2475                                 /* INDEX >> */
2476                                 if(cstr_info) {
2477                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2478                                                 cio_tell(cio) + j2k->pos_correction - 1;
2479                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2480                                                 acc_pack_num;
2481                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2482                                                 cstr_info->packno - acc_pack_num;
2483                                         acc_pack_num = cstr_info->packno;
2484                                 }
2485                                 /* << INDEX */
2486
2487                                 j2k->cur_tp_num++;
2488                         }                       
2489                 }
2490                 if(cstr_info) {
2491                         cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2492                 }
2493
2494
2495                 /*
2496                 if (tile->PPT) { // BAD PPT !!! 
2497                 FILE *PPT_file;
2498                 int i;
2499                 PPT_file=fopen("PPT","rb");
2500                 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2501                 for (i=0;i<tile->len_ppt;i++) {
2502                 unsigned char elmt;
2503                 fread(&elmt, 1, 1, PPT_file);
2504                 fwrite(&elmt,1,1,f);
2505                 }
2506                 fclose(PPT_file);
2507                 unlink("PPT");
2508                 }
2509                 */
2510
2511         }
2512
2513         /* destroy the tile encoder */
2514         tcd_free_encode(tcd);
2515         tcd_destroy(tcd);
2516
2517         opj_free(j2k->cur_totnum_tp);
2518
2519         j2k_write_eoc(j2k);
2520
2521         if(cstr_info) {
2522                 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2523                 /* UniPG>> */
2524                 /* The following adjustment is done to adjust the codestream size */
2525                 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2526                 /* the first bunch of bytes is not in the codestream              */
2527                 cstr_info->codestream_size -= cstr_info->main_head_start;
2528                 /* <<UniPG */
2529         }
2530
2531 #ifdef USE_JPWL
2532         /*
2533         preparation of JPWL marker segments
2534         */
2535         if(cp->epc_on) {
2536
2537                 /* encode according to JPWL */
2538                 jpwl_encode(j2k, cio, image);
2539
2540         }
2541 #endif /* USE_JPWL */
2542
2543         return OPJ_TRUE;
2544 }
2545
2546 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2547
2548         if (!cstr_info)
2549                 return;
2550
2551         /* expand the list? */
2552         if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2553                 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2554                 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2555         }
2556
2557         /* add the marker */
2558         cstr_info->marker[cstr_info->marknum].type = type;
2559         cstr_info->marker[cstr_info->marknum].pos = pos;
2560         cstr_info->marker[cstr_info->marknum].len = len;
2561         cstr_info->marknum++;
2562
2563 }
2564
2565 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2566
2567   opj_marker_info_t *marker;
2568
2569         if (!cstr_info)
2570                 return;
2571
2572         /* expand the list? */
2573         if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2574                 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2575                 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2576         }
2577
2578         marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2579
2580         /* add the marker */
2581         marker->type = type;
2582         marker->pos = pos;
2583         marker->len = len;
2584         cstr_info->tile[tileno].marknum++;
2585 }