25ce02f857293653fef859c6ba4169fe96e50ccb
[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 #else
470   (void)len;
471 #endif /* USE_JPWL */
472
473   /* prevent division by zero */
474   if (!(cp->tdx * cp->tdy)) {
475     opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: invalid tile size (tdx: %d, tdy: %d)\n", cp->tdx, cp->tdy);
476     return;
477   }
478
479         image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
480         for (i = 0; i < image->numcomps; i++) {
481                 int tmp;
482                 tmp = cio_read(cio, 1);         /* Ssiz_i */
483                 image->comps[i].prec = (tmp & 0x7f) + 1;
484                 image->comps[i].sgnd = tmp >> 7;
485                 image->comps[i].dx = cio_read(cio, 1);  /* XRsiz_i */
486                 image->comps[i].dy = cio_read(cio, 1);  /* YRsiz_i */
487                 
488 #ifdef USE_JPWL
489                 if (j2k->cp->correct) {
490                 /* if JPWL is on, we check whether TX errors have damaged
491                         too much the SIZ parameters, again */
492                         if (!(image->comps[i].dx * image->comps[i].dy)) {
493                                 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
494                                         "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
495                                         i, i, image->comps[i].dx, image->comps[i].dy);
496                                 if (!JPWL_ASSUME) {
497                                         opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
498                                         return;
499                                 }
500                                 /* we try to correct */
501                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
502                                 if (!image->comps[i].dx) {
503                                         image->comps[i].dx = 1;
504                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
505                                                 i, image->comps[i].dx);
506                                 }
507                                 if (!image->comps[i].dy) {
508                                         image->comps[i].dy = 1;
509                                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
510                                                 i, image->comps[i].dy);
511                                 }
512                         }
513                         
514                 }
515 #endif /* USE_JPWL */
516
517     /* prevent division by zero */
518     if (!(image->comps[i].dx * image->comps[i].dy)) {
519       opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: invalid component size (dx: %d, dy: %d)\n", image->comps[i].dx, image->comps[i].dy);
520       return;
521     }
522
523                 image->comps[i].resno_decoded = 0;      /* number of resolution decoded */
524                 image->comps[i].factor = cp->reduce; /* reducing factor per component */
525         }
526         
527         cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
528         cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
529
530 #ifdef USE_JPWL
531         if (j2k->cp->correct) {
532                 /* if JPWL is on, we check whether TX errors have damaged
533                   too much the SIZ parameters */
534                 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
535                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
536                                 "JPWL: bad number of tiles (%d x %d)\n",
537                                 cp->tw, cp->th);
538                         if (!JPWL_ASSUME) {
539                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
540                                 return;
541                         }
542                         /* we try to correct */
543                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
544                         if (cp->tw < 1) {
545                                 cp->tw= 1;
546                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
547                                         cp->tw);
548                         }
549                         if (cp->tw > cp->max_tiles) {
550                                 cp->tw= 1;
551                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
552                                         "- setting %d tiles in x => HYPOTHESIS!!!\n",
553                                         cp->max_tiles, cp->tw);
554                         }
555                         if (cp->th < 1) {
556                                 cp->th= 1;
557                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
558                                         cp->th);
559                         }
560                         if (cp->th > cp->max_tiles) {
561                                 cp->th= 1;
562                                 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
563                                         "- setting %d tiles in y => HYPOTHESIS!!!\n",
564                                         cp->max_tiles, cp->th);
565                         }
566                 }
567         }
568 #endif /* USE_JPWL */
569
570         cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
571     if (cp->tcps == NULL)
572     {
573         opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
574         return;
575     }
576         cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
577     if (cp->tileno == NULL)
578     {
579         opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
580         return;
581     }
582         cp->tileno_size = 0;
583         
584 #ifdef USE_JPWL
585         if (j2k->cp->correct) {
586                 if (!cp->tcps) {
587                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
588                                 "JPWL: could not alloc tcps field of cp\n");
589                         if (!JPWL_ASSUME || JPWL_ASSUME) {
590                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
591                                 return;
592                         }
593                 }
594         }
595 #endif /* USE_JPWL */
596
597         for (i = 0; i < cp->tw * cp->th; i++) {
598                 cp->tcps[i].POC = 0;
599                 cp->tcps[i].numpocs = 0;
600                 cp->tcps[i].first = 1;
601         }
602         
603         /* Initialization for PPM marker */
604         cp->ppm = 0;
605         cp->ppm_data = NULL;
606         cp->ppm_data_first = NULL;
607         cp->ppm_previous = 0;
608         cp->ppm_store = 0;
609
610         j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
611         for (i = 0; i < cp->tw * cp->th; i++) {
612                 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
613         }       
614         j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
615         j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
616         j2k->state = J2K_STATE_MH;
617
618         /* Index */
619         if (j2k->cstr_info) {
620                 opj_codestream_info_t *cstr_info = j2k->cstr_info;
621                 cstr_info->image_w = image->x1 - image->x0;
622                 cstr_info->image_h = image->y1 - image->y0;
623                 cstr_info->numcomps = image->numcomps;
624                 cstr_info->tw = cp->tw;
625                 cstr_info->th = cp->th;
626                 cstr_info->tile_x = cp->tdx;    
627                 cstr_info->tile_y = cp->tdy;    
628                 cstr_info->tile_Ox = cp->tx0;   
629                 cstr_info->tile_Oy = cp->ty0;                   
630                 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));              
631         }
632 }
633
634 static void j2k_write_com(opj_j2k_t *j2k) {
635         unsigned int i;
636         int lenp, len;
637
638         if(j2k->cp->comment) {
639                 opj_cio_t *cio = j2k->cio;
640                 char *comment = j2k->cp->comment;
641
642                 cio_write(cio, J2K_MS_COM, 2);
643                 lenp = cio_tell(cio);
644                 cio_skip(cio, 2);
645                 cio_write(cio, 1, 2);           /* General use (IS 8859-15:1999 (Latin) values) */
646                 for (i = 0; i < strlen(comment); i++) {
647                         cio_write(cio, comment[i], 1);
648                 }
649                 len = cio_tell(cio) - lenp;
650                 cio_seek(cio, lenp);
651                 cio_write(cio, len, 2);
652                 cio_seek(cio, lenp + len);
653
654                 
655                 if(j2k->cstr_info)
656                   j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
657
658         }
659 }
660
661 static void j2k_read_com(opj_j2k_t *j2k) {
662         int len;
663         
664         opj_cio_t *cio = j2k->cio;
665
666         len = cio_read(cio, 2);
667         cio_skip(cio, len - 2);  
668 }
669
670 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
671         int i;
672
673         opj_cp_t *cp = j2k->cp;
674         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
675         opj_tccp_t *tccp = &tcp->tccps[compno];
676         opj_cio_t *cio = j2k->cio;
677         
678         cio_write(cio, tccp->numresolutions - 1, 1);    /* SPcox (D) */
679         cio_write(cio, tccp->cblkw - 2, 1);                             /* SPcox (E) */
680         cio_write(cio, tccp->cblkh - 2, 1);                             /* SPcox (F) */
681         cio_write(cio, tccp->cblksty, 1);                               /* SPcox (G) */
682         cio_write(cio, tccp->qmfbid, 1);                                /* SPcox (H) */
683         
684         if (tccp->csty & J2K_CCP_CSTY_PRT) {
685                 for (i = 0; i < tccp->numresolutions; i++) {
686                         cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1);        /* SPcox (I_i) */
687                 }
688         }
689 }
690
691 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
692         int i;
693
694         opj_cp_t *cp = j2k->cp;
695         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
696         opj_tccp_t *tccp = &tcp->tccps[compno];
697         opj_cio_t *cio = j2k->cio;
698
699         tccp->numresolutions = cio_read(cio, 1) + 1;    /* SPcox (D) */
700
701         /* If user wants to remove more resolutions than the codestream contains, return error*/
702         if (cp->reduce >= tccp->numresolutions) {
703                 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
704                                         "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
705                 j2k->state |= J2K_STATE_ERR;
706         }
707   if( tccp->numresolutions > J2K_MAXRLVLS ) {
708     opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions is too big: %d vs max= %d. Truncating.\n\n",
709       compno, tccp->numresolutions, J2K_MAXRLVLS);
710                 j2k->state |= J2K_STATE_ERR;
711     tccp->numresolutions = J2K_MAXRLVLS;
712  }
713
714         tccp->cblkw = cio_read(cio, 1) + 2;     /* SPcox (E) */
715         tccp->cblkh = cio_read(cio, 1) + 2;     /* SPcox (F) */
716         tccp->cblksty = cio_read(cio, 1);       /* SPcox (G) */
717         tccp->qmfbid = cio_read(cio, 1);        /* SPcox (H) */
718         if (tccp->csty & J2K_CP_CSTY_PRT) {
719                 for (i = 0; i < tccp->numresolutions; i++) {
720                         int tmp = cio_read(cio, 1);     /* SPcox (I_i) */
721                         tccp->prcw[i] = tmp & 0xf;
722                         tccp->prch[i] = tmp >> 4;
723                 }
724         }
725
726         /* INDEX >> */
727         if(j2k->cstr_info && compno == 0) {
728                 for (i = 0; i < tccp->numresolutions; i++) {
729                         if (tccp->csty & J2K_CP_CSTY_PRT) {
730                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
731                                 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
732                         }
733                         else {
734                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
735                                 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
736                         }
737                 }
738         }
739         /* << INDEX */
740 }
741
742 static void j2k_write_cod(opj_j2k_t *j2k) {
743         opj_cp_t *cp = NULL;
744         opj_tcp_t *tcp = NULL;
745         int lenp, len;
746
747         opj_cio_t *cio = j2k->cio;
748         
749         cio_write(cio, J2K_MS_COD, 2);  /* COD */
750         
751         lenp = cio_tell(cio);
752         cio_skip(cio, 2);
753         
754         cp = j2k->cp;
755         tcp = &cp->tcps[j2k->curtileno];
756
757         cio_write(cio, tcp->csty, 1);           /* Scod */
758         cio_write(cio, tcp->prg, 1);            /* SGcod (A) */
759         cio_write(cio, tcp->numlayers, 2);      /* SGcod (B) */
760         cio_write(cio, tcp->mct, 1);            /* SGcod (C) */
761         
762         j2k_write_cox(j2k, 0);
763         len = cio_tell(cio) - lenp;
764         cio_seek(cio, lenp);
765         cio_write(cio, len, 2);         /* Lcod */
766         cio_seek(cio, lenp + len);
767
768         if(j2k->cstr_info)
769           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
770
771 }
772
773 static void j2k_read_cod(opj_j2k_t *j2k) {
774         int len, i, pos;
775         
776         opj_cio_t *cio = j2k->cio;
777         opj_cp_t *cp = j2k->cp;
778         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
779         opj_image_t *image = j2k->image;
780         
781         len = cio_read(cio, 2);                         /* Lcod */
782   (void)len;
783         tcp->csty = cio_read(cio, 1);           /* Scod */
784         tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);            /* SGcod (A) */
785         tcp->numlayers = cio_read(cio, 2);      /* SGcod (B) */
786         tcp->mct = cio_read(cio, 1);            /* SGcod (C) */
787         
788         pos = cio_tell(cio);
789         for (i = 0; i < image->numcomps; i++) {
790                 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
791                 cio_seek(cio, pos);
792                 j2k_read_cox(j2k, i);
793         }
794
795         /* Index */
796         if (j2k->cstr_info) {
797                 opj_codestream_info_t *cstr_info = j2k->cstr_info;
798                 cstr_info->prog = tcp->prg;
799                 cstr_info->numlayers = tcp->numlayers;
800                 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
801                 for (i = 0; i < image->numcomps; i++) {
802                         cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
803                 }
804         }
805 }
806
807 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
808         int lenp, len;
809
810         opj_cp_t *cp = j2k->cp;
811         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
812         opj_image_t *image = j2k->image;
813         opj_cio_t *cio = j2k->cio;
814         
815         cio_write(cio, J2K_MS_COC, 2);  /* COC */
816         lenp = cio_tell(cio);
817         cio_skip(cio, 2);
818         cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
819         cio_write(cio, tcp->tccps[compno].csty, 1);     /* Scoc */
820         j2k_write_cox(j2k, compno);
821         len = cio_tell(cio) - lenp;
822         cio_seek(cio, lenp);
823         cio_write(cio, len, 2);                 /* Lcoc */
824         cio_seek(cio, lenp + len);
825 }
826
827 static void j2k_read_coc(opj_j2k_t *j2k) {
828         int len, compno;
829
830         opj_cp_t *cp = j2k->cp;
831         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
832         opj_image_t *image = j2k->image;
833         opj_cio_t *cio = j2k->cio;
834         
835         len = cio_read(cio, 2);         /* Lcoc */
836   (void)len;
837         compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
838   if (compno >= image->numcomps) {
839     opj_event_msg(j2k->cinfo, EVT_ERROR,
840       "bad component number in COC (%d out of a maximum of %d)\n",
841       compno, image->numcomps);
842     return;
843   }
844         tcp->tccps[compno].csty = cio_read(cio, 1);     /* Scoc */
845         j2k_read_cox(j2k, compno);
846 }
847
848 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
849         int bandno, numbands;
850         int expn, mant;
851         
852         opj_cp_t *cp = j2k->cp;
853         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
854         opj_tccp_t *tccp = &tcp->tccps[compno];
855         opj_cio_t *cio = j2k->cio;
856         
857         cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1);        /* Sqcx */
858         numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
859         
860         for (bandno = 0; bandno < numbands; bandno++) {
861                 expn = tccp->stepsizes[bandno].expn;
862                 mant = tccp->stepsizes[bandno].mant;
863                 
864                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
865                         cio_write(cio, expn << 3, 1);   /* SPqcx_i */
866                 } else {
867                         cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
868                 }
869         }
870 }
871
872 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
873         int tmp;
874         int bandno, numbands;
875
876         opj_cp_t *cp = j2k->cp;
877         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
878         opj_tccp_t *tccp = &tcp->tccps[compno];
879         opj_cio_t *cio = j2k->cio;
880
881         tmp = cio_read(cio, 1);         /* Sqcx */
882         tccp->qntsty = tmp & 0x1f;
883         tccp->numgbits = tmp >> 5;
884         numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 
885                 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
886
887 #ifdef USE_JPWL
888         if (j2k->cp->correct) {
889
890                 /* if JPWL is on, we check whether there are too many subbands */
891                 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
892                         opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
893                                 "JPWL: bad number of subbands in Sqcx (%d)\n",
894                                 numbands);
895                         if (!JPWL_ASSUME) {
896                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
897                                 return;
898                         }
899                         /* we try to correct */
900                         numbands = 1;
901                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
902                                 "- setting number of bands to %d => HYPOTHESIS!!!\n",
903                                 numbands);
904                 };
905
906         };
907
908 #else
909         /* We check whether there are too many subbands */
910         if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
911                 opj_event_msg(j2k->cinfo, EVT_WARNING ,
912                                         "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
913                                     "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
914         }
915
916 #endif /* USE_JPWL */
917
918         for (bandno = 0; bandno < numbands; bandno++) {
919                 int expn, mant;
920                 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
921                         expn = cio_read(cio, 1) >> 3;   /* SPqcx_i */
922                         mant = 0;
923                 } else {
924                         tmp = cio_read(cio, 2); /* SPqcx_i */
925                         expn = tmp >> 11;
926                         mant = tmp & 0x7ff;
927                 }
928                 if (bandno < J2K_MAXBANDS){
929                         tccp->stepsizes[bandno].expn = expn;
930                         tccp->stepsizes[bandno].mant = mant;
931                 }
932         }
933         
934         /* Add Antonin : if scalar_derived -> compute other stepsizes */
935         if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
936                 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
937                         tccp->stepsizes[bandno].expn = 
938                                 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ? 
939                                         (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
940                         tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
941                 }
942         }
943         /* ddA */
944 }
945
946 static void j2k_write_qcd(opj_j2k_t *j2k) {
947         int lenp, len;
948
949         opj_cio_t *cio = j2k->cio;
950         
951         cio_write(cio, J2K_MS_QCD, 2);  /* QCD */
952         lenp = cio_tell(cio);
953         cio_skip(cio, 2);
954         j2k_write_qcx(j2k, 0);
955         len = cio_tell(cio) - lenp;
956         cio_seek(cio, lenp);
957         cio_write(cio, len, 2);                 /* Lqcd */
958         cio_seek(cio, lenp + len);
959
960         if(j2k->cstr_info)
961           j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
962 }
963
964 static void j2k_read_qcd(opj_j2k_t *j2k) {
965         int len, i, pos;
966
967         opj_cio_t *cio = j2k->cio;
968         opj_image_t *image = j2k->image;
969         
970         len = cio_read(cio, 2);         /* Lqcd */
971         pos = cio_tell(cio);
972         for (i = 0; i < image->numcomps; i++) {
973                 cio_seek(cio, pos);
974                 j2k_read_qcx(j2k, i, len - 2);
975         }
976 }
977
978 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
979         int lenp, len;
980
981         opj_cio_t *cio = j2k->cio;
982         
983         cio_write(cio, J2K_MS_QCC, 2);  /* QCC */
984         lenp = cio_tell(cio);
985         cio_skip(cio, 2);
986         cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2);    /* Cqcc */
987         j2k_write_qcx(j2k, compno);
988         len = cio_tell(cio) - lenp;
989         cio_seek(cio, lenp);
990         cio_write(cio, len, 2);                 /* Lqcc */
991         cio_seek(cio, lenp + len);
992 }
993
994 static void j2k_read_qcc(opj_j2k_t *j2k) {
995         int len, compno;
996         int numcomp = j2k->image->numcomps;
997         opj_cio_t *cio = j2k->cio;
998
999         len = cio_read(cio, 2); /* Lqcc */
1000         compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
1001
1002 #ifdef USE_JPWL
1003         if (j2k->cp->correct) {
1004
1005                 static int backup_compno = 0;
1006
1007                 /* compno is negative or larger than the number of components!!! */
1008                 if ((compno < 0) || (compno >= numcomp)) {
1009                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1010                                 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
1011                                 compno, numcomp);
1012                         if (!JPWL_ASSUME) {
1013                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1014                                 return;
1015                         }
1016                         /* we try to correct */
1017                         compno = backup_compno % numcomp;
1018                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1019                                 "- setting component number to %d\n",
1020                                 compno);
1021                 }
1022
1023                 /* keep your private count of tiles */
1024                 backup_compno++;
1025         }
1026 #endif /* USE_JPWL */
1027
1028   if ((compno < 0) || (compno >= numcomp)) {
1029     opj_event_msg(j2k->cinfo, EVT_ERROR,
1030       "bad component number in QCC (%d out of a maximum of %d)\n",
1031       compno, j2k->image->numcomps);
1032     return;
1033   }
1034
1035         j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
1036 }
1037
1038 static void j2k_write_poc(opj_j2k_t *j2k) {
1039         int len, numpchgs, i;
1040
1041         int numcomps = j2k->image->numcomps;
1042         
1043         opj_cp_t *cp = j2k->cp;
1044         opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1045         opj_tccp_t *tccp = &tcp->tccps[0];
1046         opj_cio_t *cio = j2k->cio;
1047
1048         numpchgs = 1 + tcp->numpocs;
1049         cio_write(cio, J2K_MS_POC, 2);  /* POC  */
1050         len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1051         cio_write(cio, len, 2);         /* Lpoc */
1052         for (i = 0; i < numpchgs; i++) {
1053                 opj_poc_t *poc = &tcp->pocs[i];
1054                 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1055                 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2));        /* CSpoc_i */
1056                 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1057                 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1058                 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1059                 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1060                 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2));        /* CEpoc_i */
1061                 poc->compno1 = int_min(poc->compno1, numcomps);
1062                 cio_write(cio, poc->prg, 1);    /* Ppoc_i */
1063         }
1064 }
1065
1066 static void j2k_read_poc(opj_j2k_t *j2k) {
1067         int len, numpchgs, i, old_poc;
1068
1069         int numcomps = j2k->image->numcomps;
1070         
1071         opj_cp_t *cp = j2k->cp;
1072         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1073         opj_cio_t *cio = j2k->cio;
1074         
1075         old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1076         tcp->POC = 1;
1077         len = cio_read(cio, 2);         /* Lpoc */
1078         numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1079         
1080         for (i = old_poc; i < numpchgs + old_poc; i++) {
1081                 opj_poc_t *poc;
1082                 poc = &tcp->pocs[i];
1083                 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1084                 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2);  /* CSpoc_i */
1085                 poc->layno1 = cio_read(cio, 2);    /* LYEpoc_i */
1086                 poc->resno1 = cio_read(cio, 1);    /* REpoc_i */
1087                 poc->compno1 = int_min(
1088                         cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps);       /* CEpoc_i */
1089                 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1);    /* Ppoc_i */
1090         }
1091         
1092         tcp->numpocs = numpchgs + old_poc - 1;
1093 }
1094
1095 static void j2k_read_crg(opj_j2k_t *j2k) {
1096         int len, i, Xcrg_i, Ycrg_i;
1097         
1098         opj_cio_t *cio = j2k->cio;
1099         int numcomps = j2k->image->numcomps;
1100         
1101         len = cio_read(cio, 2);                 /* Lcrg */
1102   (void)len;
1103         for (i = 0; i < numcomps; i++) {
1104                 Xcrg_i = cio_read(cio, 2);      /* Xcrg_i */
1105     (void)Xcrg_i;
1106                 Ycrg_i = cio_read(cio, 2);      /* Ycrg_i */
1107     (void)Ycrg_i;
1108         }
1109 }
1110
1111 static void j2k_read_tlm(opj_j2k_t *j2k) {
1112         int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1113         long int Ttlm_i, Ptlm_i;
1114
1115         opj_cio_t *cio = j2k->cio;
1116         
1117         len = cio_read(cio, 2);         /* Ltlm */
1118         Ztlm = cio_read(cio, 1);        /* Ztlm */
1119   (void)Ztlm;
1120         Stlm = cio_read(cio, 1);        /* Stlm */
1121         ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1122         SP = (Stlm >> 6) & 0x01;
1123         tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1124         for (i = 0; i < tile_tlm; i++) {
1125                 Ttlm_i = cio_read(cio, ST);     /* Ttlm_i */
1126     (void)Ttlm_i;
1127                 Ptlm_i = cio_read(cio, SP ? 4 : 2);     /* Ptlm_i */
1128     (void)Ptlm_i;
1129         }
1130 }
1131
1132 static void j2k_read_plm(opj_j2k_t *j2k) {
1133         int len, i, Zplm, Nplm, add, packet_len = 0;
1134         
1135         opj_cio_t *cio = j2k->cio;
1136
1137         len = cio_read(cio, 2);         /* Lplm */
1138         Zplm = cio_read(cio, 1);        /* Zplm */
1139   (void)Zplm;
1140         len -= 3;
1141         while (len > 0) {
1142                 Nplm = cio_read(cio, 4);                /* Nplm */
1143                 len -= 4;
1144                 for (i = Nplm; i > 0; i--) {
1145                         add = cio_read(cio, 1);
1146                         len--;
1147                         packet_len = (packet_len << 7) + add;   /* Iplm_ij */
1148                         if ((add & 0x80) == 0) {
1149                                 /* New packet */
1150                                 packet_len = 0;
1151                         }
1152                         if (len <= 0)
1153                                 break;
1154                 }
1155         }
1156 }
1157
1158 static void j2k_read_plt(opj_j2k_t *j2k) {
1159         int len, i, Zplt, packet_len = 0, add;
1160         
1161         opj_cio_t *cio = j2k->cio;
1162         
1163         len = cio_read(cio, 2);         /* Lplt */
1164         Zplt = cio_read(cio, 1);        /* Zplt */
1165   (void)Zplt;
1166         for (i = len - 3; i > 0; i--) {
1167                 add = cio_read(cio, 1);
1168                 packet_len = (packet_len << 7) + add;   /* Iplt_i */
1169                 if ((add & 0x80) == 0) {
1170                         /* New packet */
1171                         packet_len = 0;
1172                 }
1173         }
1174 }
1175
1176 static void j2k_read_ppm(opj_j2k_t *j2k) {
1177         int len, Z_ppm, i, j;
1178         int N_ppm;
1179
1180         opj_cp_t *cp = j2k->cp;
1181         opj_cio_t *cio = j2k->cio;
1182         
1183         len = cio_read(cio, 2);
1184         cp->ppm = 1;
1185         
1186         Z_ppm = cio_read(cio, 1);       /* Z_ppm */
1187         len -= 3;
1188         while (len > 0) {
1189                 if (cp->ppm_previous == 0) {
1190                         N_ppm = cio_read(cio, 4);       /* N_ppm */
1191                         len -= 4;
1192                 } else {
1193                         N_ppm = cp->ppm_previous;
1194                 }
1195                 j = cp->ppm_store;
1196                 if (Z_ppm == 0) {       /* First PPM marker */
1197                         cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1198                         cp->ppm_data_first = cp->ppm_data;
1199                         cp->ppm_len = N_ppm;
1200                 } else {                        /* NON-first PPM marker */
1201                         cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm +     cp->ppm_store) * sizeof(unsigned char));
1202
1203 #ifdef USE_JPWL
1204                         /* this memory allocation check could be done even in non-JPWL cases */
1205                         if (cp->correct) {
1206                                 if (!cp->ppm_data) {
1207                                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1208                                                 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1209                                                 cio_tell(cio));
1210                                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1211                                                 opj_free(cp->ppm_data);
1212                                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1213                                                 return;
1214                                         }
1215                                 }
1216                         }
1217 #endif
1218
1219                         cp->ppm_data_first = cp->ppm_data;
1220                         cp->ppm_len = N_ppm + cp->ppm_store;
1221                 }
1222                 for (i = N_ppm; i > 0; i--) {   /* Read packet header */
1223                         cp->ppm_data[j] = cio_read(cio, 1);
1224                         j++;
1225                         len--;
1226                         if (len == 0)
1227                                 break;                  /* Case of non-finished packet header in present marker but finished in next one */
1228                 }
1229                 cp->ppm_previous = i - 1;
1230                 cp->ppm_store = j;
1231         }
1232 }
1233
1234 static void j2k_read_ppt(opj_j2k_t *j2k) {
1235         int len, Z_ppt, i, j = 0;
1236
1237         opj_cp_t *cp = j2k->cp;
1238         opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1239         opj_cio_t *cio = j2k->cio;
1240
1241         len = cio_read(cio, 2);
1242         Z_ppt = cio_read(cio, 1);
1243         tcp->ppt = 1;
1244         if (Z_ppt == 0) {               /* First PPT marker */
1245                 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1246                 tcp->ppt_data_first = tcp->ppt_data;
1247                 tcp->ppt_store = 0;
1248                 tcp->ppt_len = len - 3;
1249         } else {                        /* NON-first PPT marker */
1250                 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1251                 tcp->ppt_data_first = tcp->ppt_data;
1252                 tcp->ppt_len = len - 3 + tcp->ppt_store;
1253         }
1254         j = tcp->ppt_store;
1255         for (i = len - 3; i > 0; i--) {
1256                 tcp->ppt_data[j] = cio_read(cio, 1);
1257                 j++;
1258         }
1259         tcp->ppt_store = j;
1260 }
1261
1262 static void j2k_write_tlm(opj_j2k_t *j2k){
1263         int lenp;
1264         opj_cio_t *cio = j2k->cio;
1265         j2k->tlm_start = cio_tell(cio);
1266         cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1267         lenp = 4 + (5*j2k->totnum_tp);
1268         cio_write(cio,lenp,2);                          /* Ltlm */
1269         cio_write(cio, 0,1);                                    /* Ztlm=0*/
1270         cio_write(cio,80,1);                                    /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1271         cio_skip(cio,5*j2k->totnum_tp);
1272 }
1273
1274 static void j2k_write_sot(opj_j2k_t *j2k) {
1275         int lenp, len;
1276
1277         opj_cio_t *cio = j2k->cio;
1278
1279         j2k->sot_start = cio_tell(cio);
1280         cio_write(cio, J2K_MS_SOT, 2);          /* SOT */
1281         lenp = cio_tell(cio);
1282         cio_skip(cio, 2);                                       /* Lsot (further) */
1283         cio_write(cio, j2k->curtileno, 2);      /* Isot */
1284         cio_skip(cio, 4);                                       /* Psot (further in j2k_write_sod) */
1285         cio_write(cio, j2k->cur_tp_num , 1);    /* TPsot */
1286         cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1);          /* TNsot */
1287         len = cio_tell(cio) - lenp;
1288         cio_seek(cio, lenp);
1289         cio_write(cio, len, 2);                         /* Lsot */
1290         cio_seek(cio, lenp + len);
1291
1292         /* UniPG>> */
1293 #ifdef USE_JPWL
1294         /* update markers struct */
1295         j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1296 #endif /* USE_JPWL */
1297         /* <<UniPG */
1298
1299         if( j2k->cstr_info && j2k->cur_tp_num==0){
1300           j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1301         }
1302 }
1303
1304 static void j2k_read_sot(opj_j2k_t *j2k) {
1305         int len, tileno, totlen, partno, numparts, i;
1306         opj_tcp_t *tcp = NULL;
1307         char status = 0;
1308
1309         opj_cp_t *cp = j2k->cp;
1310         opj_cio_t *cio = j2k->cio;
1311
1312         len = cio_read(cio, 2);
1313   (void)len;
1314         tileno = cio_read(cio, 2);
1315
1316 #ifdef USE_JPWL
1317         if (j2k->cp->correct) {
1318
1319                 static int backup_tileno = 0;
1320
1321                 /* tileno is negative or larger than the number of tiles!!! */
1322                 if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
1323                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1324                                 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1325                                 tileno, (cp->tw * cp->th));
1326                         if (!JPWL_ASSUME) {
1327                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1328                                 return;
1329                         }
1330                         /* we try to correct */
1331                         tileno = backup_tileno;
1332                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1333                                 "- setting tile number to %d\n",
1334                                 tileno);
1335                 }
1336
1337                 /* keep your private count of tiles */
1338                 backup_tileno++;
1339         }
1340   else
1341 #endif /* USE_JPWL */
1342   {
1343     /* tileno is negative or larger than the number of tiles!!! */
1344     if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
1345       opj_event_msg(j2k->cinfo, EVT_ERROR,
1346         "JPWL: bad tile number (%d out of a maximum of %d)\n",
1347         tileno, (cp->tw * cp->th));
1348       return;
1349     }
1350   }
1351         
1352         if (cp->tileno_size == 0) {
1353                 cp->tileno[cp->tileno_size] = tileno;
1354                 cp->tileno_size++;
1355         } else {
1356                 i = 0;
1357                 while (i < cp->tileno_size && status == 0) {
1358                         status = cp->tileno[i] == tileno ? 1 : 0;
1359                         i++;
1360                 }
1361                 if (status == 0) {
1362                         cp->tileno[cp->tileno_size] = tileno;
1363                         cp->tileno_size++;
1364                 }
1365         }
1366         
1367         totlen = cio_read(cio, 4);
1368
1369 #ifdef USE_JPWL
1370         if (j2k->cp->correct) {
1371
1372                 /* totlen is negative or larger than the bytes left!!! */
1373                 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1374                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1375                                 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1376                                 totlen, cio_numbytesleft(cio) + 8);
1377                         if (!JPWL_ASSUME) {
1378                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1379                                 return;
1380                         }
1381                         /* we try to correct */
1382                         totlen = 0;
1383                         opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1384                                 "- setting Psot to %d => assuming it is the last tile\n",
1385                                 totlen);
1386                 }
1387
1388         }
1389   else
1390 #endif /* USE_JPWL */
1391   {
1392     /* totlen is negative or larger than the bytes left!!! */
1393     if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1394       opj_event_msg(j2k->cinfo, EVT_ERROR,
1395         "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1396         totlen, cio_numbytesleft(cio) + 8);
1397       return;
1398     }
1399   }
1400
1401         if (!totlen)
1402                 totlen = cio_numbytesleft(cio) + 8;
1403         
1404         partno = cio_read(cio, 1);
1405         numparts = cio_read(cio, 1);
1406   
1407   if (partno >= numparts) {
1408     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);
1409     numparts = partno+1;
1410   }
1411         
1412         j2k->curtileno = tileno;
1413         j2k->cur_tp_num = partno;
1414         j2k->eot = cio_getbp(cio) - 12 + totlen;
1415         j2k->state = J2K_STATE_TPH;
1416         tcp = &cp->tcps[j2k->curtileno];
1417
1418         /* Index */
1419         if (j2k->cstr_info) {
1420                 if (tcp->first) {
1421                         if (tileno == 0) 
1422                                 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1423                         j2k->cstr_info->tile[tileno].tileno = tileno;
1424                         j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1425                         j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;                             
1426     } else {
1427                         j2k->cstr_info->tile[tileno].end_pos += totlen;
1428                 }
1429     j2k->cstr_info->tile[tileno].num_tps = numparts;
1430     if (numparts)
1431       j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1432     else
1433       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)*/
1434                 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1435                 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos = 
1436                         j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1437         }
1438         
1439         if (tcp->first == 1) {          
1440                 /* Initialization PPT */
1441                 opj_tccp_t *tmp = tcp->tccps;
1442                 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1443                 tcp->ppt = 0;
1444                 tcp->ppt_data = NULL;
1445                 tcp->ppt_data_first = NULL;
1446                 tcp->tccps = tmp;
1447
1448                 for (i = 0; i < j2k->image->numcomps; i++) {
1449                         tcp->tccps[i] = j2k->default_tcp->tccps[i];
1450                 }
1451                 cp->tcps[j2k->curtileno].first = 0;
1452         }
1453 }
1454
1455 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1456         int l, layno;
1457         int totlen;
1458         opj_tcp_t *tcp = NULL;
1459         opj_codestream_info_t *cstr_info = NULL;
1460         
1461         opj_tcd_t *tcd = (opj_tcd_t*)tile_coder;        /* cast is needed because of conflicts in header inclusions */
1462         opj_cp_t *cp = j2k->cp;
1463         opj_cio_t *cio = j2k->cio;
1464
1465         tcd->tp_num = j2k->tp_num ;
1466         tcd->cur_tp_num = j2k->cur_tp_num;
1467         
1468         cio_write(cio, J2K_MS_SOD, 2);
1469
1470         if( j2k->cstr_info && j2k->cur_tp_num==0){
1471           j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1472         }
1473
1474         if (j2k->curtileno == 0) {
1475                 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1476         }
1477
1478         /* INDEX >> */
1479         cstr_info = j2k->cstr_info;
1480         if (cstr_info) {
1481                 if (!j2k->cur_tp_num ) {
1482                         cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1483                         j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1484                 }
1485                 else{
1486                         if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1487                                 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1488                 }
1489                 /* UniPG>> */
1490 #ifdef USE_JPWL
1491                 /* update markers struct */
1492                 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1493 #endif /* USE_JPWL */
1494                 /* <<UniPG */
1495         }
1496         /* << INDEX */
1497         
1498         tcp = &cp->tcps[j2k->curtileno];
1499         for (layno = 0; layno < tcp->numlayers; layno++) {
1500                 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1501                         tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1502                 } else if (tcp->rates[layno]) {
1503                         tcp->rates[layno]=1;
1504                 }
1505         }
1506         if(j2k->cur_tp_num == 0){
1507                 tcd->tcd_image->tiles->packno = 0;
1508                 if(cstr_info)
1509                         cstr_info->packno = 0;
1510         }
1511         
1512         l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1513         
1514         /* Writing Psot in SOT marker */
1515         totlen = cio_tell(cio) + l - j2k->sot_start;
1516         cio_seek(cio, j2k->sot_start + 6);
1517         cio_write(cio, totlen, 4);
1518         cio_seek(cio, j2k->sot_start + totlen);
1519         /* Writing Ttlm and Ptlm in TLM marker */
1520         if(cp->cinema){
1521                 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1522                 cio_write(cio, j2k->curtileno, 1);
1523                 cio_write(cio, totlen, 4);
1524         }
1525         cio_seek(cio, j2k->sot_start + totlen);
1526 }
1527
1528 static void j2k_read_sod(opj_j2k_t *j2k) {
1529         int len, truncate = 0, i;
1530         unsigned char *data = NULL, *data_ptr = NULL;
1531
1532         opj_cio_t *cio = j2k->cio;
1533         int curtileno = j2k->curtileno;
1534
1535         /* Index */
1536         if (j2k->cstr_info) {
1537                 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1538                         cio_tell(cio) + j2k->pos_correction - 1;
1539                 if (j2k->cur_tp_num == 0)
1540                         j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1541                 j2k->cstr_info->packno = 0;
1542         }
1543         
1544         len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1545
1546         if (len == cio_numbytesleft(cio) + 1) {
1547                 truncate = 1;           /* Case of a truncate codestream */
1548         }       
1549
1550         data = j2k->tile_data[curtileno];
1551         data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1552
1553         data_ptr = data + j2k->tile_len[curtileno];
1554         for (i = 0; i < len; i++) {
1555                 data_ptr[i] = cio_read(cio, 1);
1556         }
1557
1558         j2k->tile_len[curtileno] += len;
1559         j2k->tile_data[curtileno] = data;
1560         
1561         if (!truncate) {
1562                 j2k->state = J2K_STATE_TPHSOT;
1563         } else {
1564                 j2k->state = J2K_STATE_NEOC;    /* RAJOUTE !! */
1565         }
1566         j2k->cur_tp_num++;
1567 }
1568
1569 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1570         opj_cp_t *cp = j2k->cp;
1571         opj_tcp_t *tcp = &cp->tcps[tileno];
1572         opj_cio_t *cio = j2k->cio;
1573         int numcomps = j2k->image->numcomps;
1574         
1575         cio_write(cio, J2K_MS_RGN, 2);                                          /* RGN  */
1576         cio_write(cio, numcomps <= 256 ? 5 : 6, 2);                     /* Lrgn */
1577         cio_write(cio, compno, numcomps <= 256 ? 1 : 2);        /* Crgn */
1578         cio_write(cio, 0, 1);                                                           /* Srgn */
1579         cio_write(cio, tcp->tccps[compno].roishift, 1);         /* SPrgn */
1580 }
1581
1582 static void j2k_read_rgn(opj_j2k_t *j2k) {
1583         int len, compno, roisty;
1584
1585         opj_cp_t *cp = j2k->cp;
1586         opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1587         opj_cio_t *cio = j2k->cio;
1588         int numcomps = j2k->image->numcomps;
1589
1590         len = cio_read(cio, 2);                                                                         /* Lrgn */
1591   (void)len;
1592         compno = cio_read(cio, numcomps <= 256 ? 1 : 2);                        /* Crgn */
1593         roisty = cio_read(cio, 1);                                                                      /* Srgn */
1594   (void)roisty;
1595
1596 #ifdef USE_JPWL
1597         if (j2k->cp->correct) {
1598                 /* totlen is negative or larger than the bytes left!!! */
1599                 if (compno >= numcomps) {
1600                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1601                                 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1602                                 compno, numcomps);
1603                         if (!JPWL_ASSUME || JPWL_ASSUME) {
1604                                 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1605                                 return;
1606                         }
1607                 }
1608         };
1609 #endif /* USE_JPWL */
1610
1611   if (compno >= numcomps) {
1612     opj_event_msg(j2k->cinfo, EVT_ERROR,
1613       "bad component number in RGN (%d out of a maximum of %d)\n",
1614       compno, j2k->image->numcomps);
1615     return;
1616   }
1617
1618         tcp->tccps[compno].roishift = cio_read(cio, 1);                         /* SPrgn */
1619 }
1620
1621 static void j2k_write_eoc(opj_j2k_t *j2k) {
1622         opj_cio_t *cio = j2k->cio;
1623         /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1624         cio_write(cio, J2K_MS_EOC, 2);
1625
1626 /* UniPG>> */
1627 #ifdef USE_JPWL
1628         /* update markers struct */
1629         j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1630 #endif /* USE_JPWL */
1631 /* <<UniPG */
1632 }
1633
1634 static void j2k_read_eoc(opj_j2k_t *j2k) {
1635         int i, tileno;
1636         opj_bool success = OPJ_FALSE;
1637
1638         /* if packets should be decoded */
1639         if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1640                 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1641                 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1642                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1643                         tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1644                         if (j2k->cp->tileno[i] != -1)
1645                         {
1646                                 tileno = j2k->cp->tileno[i];
1647                                 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1648                                 opj_free(j2k->tile_data[tileno]);
1649                                 j2k->tile_data[tileno] = NULL;
1650                                 tcd_free_decode_tile(tcd, i);
1651                         }
1652                         else
1653                                 success = OPJ_FALSE;
1654                         if (success == OPJ_FALSE) {
1655                                 j2k->state |= J2K_STATE_ERR;
1656                                 break;
1657                         }
1658                 }
1659                 tcd_free_decode(tcd);
1660                 tcd_destroy(tcd);
1661         }
1662         /* if packets should not be decoded  */
1663         else {
1664                 for (i = 0; i < j2k->cp->tileno_size; i++) {
1665                         tileno = j2k->cp->tileno[i];
1666                         opj_free(j2k->tile_data[tileno]);
1667                         j2k->tile_data[tileno] = NULL;
1668                 }
1669         }       
1670         if (j2k->state & J2K_STATE_ERR)
1671                 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1672         else
1673                 j2k->state = J2K_STATE_MT; 
1674 }
1675
1676 typedef struct opj_dec_mstabent {
1677         /** marker value */
1678         int id;
1679         /** value of the state when the marker can appear */
1680         int states;
1681         /** action linked to the marker */
1682         void (*handler) (opj_j2k_t *j2k);
1683 } opj_dec_mstabent_t;
1684
1685 opj_dec_mstabent_t j2k_dec_mstab[] = {
1686   {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1687   {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1688   {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1689   {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1690   {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1691   {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1692   {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1693   {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1694   {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1695   {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1696   {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1697   {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1698   {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1699   {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1700   {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1701   {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1702   {J2K_MS_SOP, 0, 0},
1703   {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1704   {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1705
1706 #ifdef USE_JPWL
1707   {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1708   {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1709   {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1710   {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1711 #endif /* USE_JPWL */
1712 #ifdef USE_JPSEC
1713   {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1714   {J2K_MS_INSEC, 0, j2k_read_insec},
1715 #endif /* USE_JPSEC */
1716
1717   {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1718 };
1719
1720 static void j2k_read_unk(opj_j2k_t *j2k) {
1721         opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1722
1723 #ifdef USE_JPWL
1724         if (j2k->cp->correct) {
1725                 int m = 0, id, i;
1726                 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1727                 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1728                 id = cio_read(j2k->cio, 2);
1729                 opj_event_msg(j2k->cinfo, EVT_ERROR,
1730                         "JPWL: really don't know this marker %x\n",
1731                         id);
1732                 if (!JPWL_ASSUME) {
1733                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1734                                 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1735                         return;
1736                 }
1737                 /* OK, activate this at your own risk!!! */
1738                 /* we look for the marker at the minimum hamming distance from this */
1739                 while (j2k_dec_mstab[m].id) {
1740                         
1741                         /* 1's where they differ */
1742                         tmp_id = j2k_dec_mstab[m].id ^ id;
1743
1744                         /* compute the hamming distance between our id and the current */
1745                         cur_dist = 0;
1746                         for (i = 0; i < 16; i++) {
1747                                 if ((tmp_id >> i) & 0x0001) {
1748                                         cur_dist++;
1749                                 }
1750                         }
1751
1752                         /* if current distance is smaller, set the minimum */
1753                         if (cur_dist < min_dist) {
1754                                 min_dist = cur_dist;
1755                                 min_id = j2k_dec_mstab[m].id;
1756                         }
1757                         
1758                         /* jump to the next marker */
1759                         m++;
1760                 }
1761
1762                 /* do we substitute the marker? */
1763                 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1764                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1765                                 "- marker %x is at distance %d from the read %x\n",
1766                                 min_id, min_dist, id);
1767                         opj_event_msg(j2k->cinfo, EVT_ERROR,
1768                                 "- trying to substitute in place and crossing fingers!\n");
1769                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1770                         cio_write(j2k->cio, min_id, 2);
1771
1772                         /* rewind */
1773                         cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1774
1775                 }
1776
1777         };
1778 #endif /* USE_JPWL */
1779
1780 }
1781
1782 /**
1783 Read the lookup table containing all the marker, status and action
1784 @param id Marker value
1785 */
1786 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1787         opj_dec_mstabent_t *e;
1788         for (e = j2k_dec_mstab; e->id != 0; e++) {
1789                 if (e->id == id) {
1790                         break;
1791                 }
1792         }
1793         return e;
1794 }
1795
1796 /* ----------------------------------------------------------------------- */
1797 /* J2K / JPT decoder interface                                             */
1798 /* ----------------------------------------------------------------------- */
1799
1800 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1801         opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1802         if(!j2k)
1803                 return NULL;
1804
1805         j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1806         if(!j2k->default_tcp) {
1807                 opj_free(j2k);
1808                 return NULL;
1809         }
1810
1811         j2k->cinfo = cinfo;
1812         j2k->tile_data = NULL;
1813
1814         return j2k;
1815 }
1816
1817 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1818         int i = 0;
1819
1820         if(j2k->tile_len != NULL) {
1821                 opj_free(j2k->tile_len);
1822         }
1823         if(j2k->tile_data != NULL) {
1824         if(j2k->cp != NULL) {
1825             for (i = 0; i < j2k->cp->tileno_size; i++) {
1826                 int tileno = j2k->cp->tileno[i];
1827                 opj_free(j2k->tile_data[tileno]);
1828                 j2k->tile_data[tileno] = NULL;
1829             }
1830         }
1831
1832                 opj_free(j2k->tile_data);
1833         }
1834         if(j2k->default_tcp != NULL) {
1835                 opj_tcp_t *default_tcp = j2k->default_tcp;
1836                 if(default_tcp->ppt_data_first != NULL) {
1837                         opj_free(default_tcp->ppt_data_first);
1838                 }
1839                 if(j2k->default_tcp->tccps != NULL) {
1840                         opj_free(j2k->default_tcp->tccps);
1841                 }
1842                 opj_free(j2k->default_tcp);
1843         }
1844         if(j2k->cp != NULL) {
1845                 opj_cp_t *cp = j2k->cp;
1846                 if(cp->tcps != NULL) {
1847                         for(i = 0; i < cp->tw * cp->th; i++) {
1848                                 if(cp->tcps[i].ppt_data_first != NULL) {
1849                                         opj_free(cp->tcps[i].ppt_data_first);
1850                                 }
1851                                 if(cp->tcps[i].tccps != NULL) {
1852                                         opj_free(cp->tcps[i].tccps);
1853                                 }
1854                         }
1855                         opj_free(cp->tcps);
1856                 }
1857                 if(cp->ppm_data_first != NULL) {
1858                         opj_free(cp->ppm_data_first);
1859                 }
1860                 if(cp->tileno != NULL) {
1861                         opj_free(cp->tileno);  
1862                 }
1863                 if(cp->comment != NULL) {
1864                         opj_free(cp->comment);
1865                 }
1866
1867                 opj_free(cp);
1868         }
1869         opj_free(j2k);
1870 }
1871
1872 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1873         if(j2k && parameters) {
1874                 /* create and initialize the coding parameters structure */
1875                 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1876                 cp->reduce = parameters->cp_reduce;     
1877                 cp->layer = parameters->cp_layer;
1878                 cp->limit_decoding = parameters->cp_limit_decoding;
1879
1880 #ifdef USE_JPWL
1881                 cp->correct = parameters->jpwl_correct;
1882                 cp->exp_comps = parameters->jpwl_exp_comps;
1883                 cp->max_tiles = parameters->jpwl_max_tiles;
1884 #endif /* USE_JPWL */
1885
1886
1887                 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1888                 j2k->cp = cp;
1889         }
1890 }
1891
1892 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1893         opj_image_t *image = NULL;
1894
1895         opj_common_ptr cinfo = j2k->cinfo;      
1896
1897         j2k->cio = cio;
1898         j2k->cstr_info = cstr_info;
1899         if (cstr_info)
1900                 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1901
1902         /* create an empty image */
1903         image = opj_image_create0();
1904         j2k->image = image;
1905
1906         j2k->state = J2K_STATE_MHSOC;
1907
1908         for (;;) {
1909                 opj_dec_mstabent_t *e;
1910                 int id = cio_read(cio, 2);
1911
1912 #ifdef USE_JPWL
1913                 /* we try to honor JPWL correction power */
1914                 if (j2k->cp->correct) {
1915
1916                         int orig_pos = cio_tell(cio);
1917                         opj_bool status;
1918
1919                         /* call the corrector */
1920                         status = jpwl_correct(j2k);
1921
1922                         /* go back to where you were */
1923                         cio_seek(cio, orig_pos - 2);
1924
1925                         /* re-read the marker */
1926                         id = cio_read(cio, 2);
1927
1928                         /* check whether it begins with ff */
1929                         if (id >> 8 != 0xff) {
1930                                 opj_event_msg(cinfo, EVT_ERROR,
1931                                         "JPWL: possible bad marker %x at %d\n",
1932                                         id, cio_tell(cio) - 2);
1933                                 if (!JPWL_ASSUME) {
1934                                         opj_image_destroy(image);
1935                                         opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1936                                         return 0;
1937                                 }
1938                                 /* we try to correct */
1939                                 id = id | 0xff00;
1940                                 cio_seek(cio, cio_tell(cio) - 2);
1941                                 cio_write(cio, id, 2);
1942                                 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1943                                         "- setting marker to %x\n",
1944                                         id);
1945                         }
1946
1947                 }
1948 #endif /* USE_JPWL */
1949
1950                 if (id >> 8 != 0xff) {
1951                 if(cio_numbytesleft(cio) != 0) /* not end of file reached and no EOC */
1952            {
1953                 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1954                 opj_image_destroy(image);
1955                 return 0;
1956            }
1957                 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1958                 j2k->state = J2K_STATE_NEOC;
1959                 break;
1960                 }
1961                 e = j2k_dec_mstab_lookup(id);
1962                 /* Check if the marker is known*/
1963                 if (!(j2k->state & e->states)) {
1964                         opj_image_destroy(image);
1965                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1966                         return 0;
1967                 }
1968                 /* Check if the decoding is limited to the main header*/
1969                 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1970                         opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1971                         return image;
1972                 }               
1973
1974                 if (e->handler) {
1975                         (*e->handler)(j2k);
1976                 }
1977                 if (j2k->state & J2K_STATE_ERR) 
1978         {
1979             opj_image_destroy(image);
1980                         return NULL;    
1981         }
1982
1983                 if (j2k->state == J2K_STATE_MT) {
1984                         break;
1985                 }
1986                 if (j2k->state == J2K_STATE_NEOC) {
1987                         break;
1988                 }
1989         }
1990         if (j2k->state == J2K_STATE_NEOC) {
1991                 j2k_read_eoc(j2k);
1992         }
1993
1994         if (j2k->state != J2K_STATE_MT) {
1995                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1996         }
1997         return image;
1998 }
1999
2000 /*
2001 * Read a JPT-stream and decode file
2002 *
2003 */
2004 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio,  opj_codestream_info_t *cstr_info) {
2005         opj_image_t *image = NULL;
2006         opj_jpt_msg_header_t header;
2007         int position;
2008         opj_common_ptr cinfo = j2k->cinfo;
2009
2010         OPJ_ARG_NOT_USED(cstr_info);
2011
2012         j2k->cio = cio;
2013
2014         /* create an empty image */
2015         image = opj_image_create0();
2016         j2k->image = image;
2017
2018         j2k->state = J2K_STATE_MHSOC;
2019         
2020         /* Initialize the header */
2021         jpt_init_msg_header(&header);
2022         /* Read the first header of the message */
2023         jpt_read_msg_header(cinfo, cio, &header);
2024         
2025         position = cio_tell(cio);
2026         if (header.Class_Id != 6) {     /* 6 : Main header data-bin message */
2027                 opj_image_destroy(image);
2028                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
2029                 return 0;
2030         }
2031         
2032         for (;;) {
2033                 opj_dec_mstabent_t *e = NULL;
2034                 int id;
2035                 
2036                 if (!cio_numbytesleft(cio)) {
2037                         j2k_read_eoc(j2k);
2038                         return image;
2039                 }
2040                 /* data-bin read -> need to read a new header */
2041                 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
2042                         jpt_read_msg_header(cinfo, cio, &header);
2043                         position = cio_tell(cio);
2044                         if (header.Class_Id != 4) {     /* 4 : Tile data-bin message */
2045                                 opj_image_destroy(image);
2046                                 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
2047                                 return 0;
2048                         }
2049                 }
2050                 
2051                 id = cio_read(cio, 2);
2052                 if (id >> 8 != 0xff) {
2053         if(cio_numbytesleft(cio) != 0) /* no end of file reached and no EOC */
2054           {
2055                 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2056                 opj_image_destroy(image);
2057                 return 0;
2058           }
2059                 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2060                 j2k->state = J2K_STATE_NEOC;
2061                 break;
2062                 }
2063                 e = j2k_dec_mstab_lookup(id);
2064                 if (!(j2k->state & e->states)) {
2065                         opj_image_destroy(image);
2066                         opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
2067                         return 0;
2068                 }
2069                 if (e->handler) {
2070                         (*e->handler)(j2k);
2071                 }
2072                 if (j2k->state == J2K_STATE_MT) {
2073                         break;
2074                 }
2075                 if (j2k->state == J2K_STATE_NEOC) {
2076                         break;
2077                 }
2078         }
2079         if (j2k->state == J2K_STATE_NEOC) {
2080                 j2k_read_eoc(j2k);
2081         }
2082         
2083         if (j2k->state != J2K_STATE_MT) {
2084                 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
2085         }
2086
2087         return image;
2088 }
2089
2090 /* ----------------------------------------------------------------------- */
2091 /* J2K encoder interface                                                       */
2092 /* ----------------------------------------------------------------------- */
2093
2094 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
2095         opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
2096         if(j2k) {
2097                 j2k->cinfo = cinfo;
2098         }
2099         return j2k;
2100 }
2101
2102 void j2k_destroy_compress(opj_j2k_t *j2k) {
2103         int tileno;
2104
2105         if(!j2k) return;
2106         if(j2k->cp != NULL) {
2107                 opj_cp_t *cp = j2k->cp;
2108
2109                 if(cp->comment) {
2110                         opj_free(cp->comment);
2111                 }
2112                 if(cp->matrice) {
2113                         opj_free(cp->matrice);
2114                 }
2115                 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2116                         opj_free(cp->tcps[tileno].tccps);
2117                 }
2118                 opj_free(cp->tcps);
2119                 opj_free(cp);
2120         }
2121
2122         opj_free(j2k);
2123 }
2124
2125 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2126         int i, j, tileno, numpocs_tile;
2127         opj_cp_t *cp = NULL;
2128
2129         if(!j2k || !parameters || ! image) {
2130                 return;
2131         }
2132
2133         /* create and initialize the coding parameters structure */
2134         cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2135
2136         /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2137         j2k->cp = cp;
2138
2139         /* set default values for cp */
2140         cp->tw = 1;
2141         cp->th = 1;
2142
2143         /* 
2144         copy user encoding parameters 
2145         */
2146         cp->cinema = parameters->cp_cinema;
2147         cp->max_comp_size =     parameters->max_comp_size;
2148         cp->rsiz   = parameters->cp_rsiz;
2149         cp->disto_alloc = parameters->cp_disto_alloc;
2150         cp->fixed_alloc = parameters->cp_fixed_alloc;
2151         cp->fixed_quality = parameters->cp_fixed_quality;
2152
2153         /* mod fixed_quality */
2154         if(parameters->cp_matrice) {
2155                 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2156                 cp->matrice = (int *) opj_malloc(array_size);
2157                 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2158         }
2159
2160         /* tiles */
2161         cp->tdx = parameters->cp_tdx;
2162         cp->tdy = parameters->cp_tdy;
2163
2164         /* tile offset */
2165         cp->tx0 = parameters->cp_tx0;
2166         cp->ty0 = parameters->cp_ty0;
2167
2168         /* comment string */
2169         if(parameters->cp_comment) {
2170                 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2171                 if(cp->comment) {
2172                         strcpy(cp->comment, parameters->cp_comment);
2173                 }
2174         }
2175
2176         /*
2177         calculate other encoding parameters
2178         */
2179
2180         if (parameters->tile_size_on) {
2181                 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2182                 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2183         } else {
2184                 cp->tdx = image->x1 - cp->tx0;
2185                 cp->tdy = image->y1 - cp->ty0;
2186         }
2187
2188         if(parameters->tp_on){
2189                 cp->tp_flag = parameters->tp_flag;
2190                 cp->tp_on = 1;
2191         }
2192         
2193         cp->img_size = 0;
2194         for(i=0;i<image->numcomps ;i++){
2195         cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2196         }
2197
2198
2199 #ifdef USE_JPWL
2200         /*
2201         calculate JPWL encoding parameters
2202         */
2203
2204         if (parameters->jpwl_epc_on) {
2205                 int i;
2206
2207                 /* set JPWL on */
2208                 cp->epc_on = OPJ_TRUE;
2209                 cp->info_on = OPJ_FALSE; /* no informative technique */
2210
2211                 /* set EPB on */
2212                 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2213                         cp->epb_on = OPJ_TRUE;
2214                         
2215                         cp->hprot_MH = parameters->jpwl_hprot_MH;
2216                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2217                                 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2218                                 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2219                         }
2220                         /* if tile specs are not specified, copy MH specs */
2221                         if (cp->hprot_TPH[0] == -1) {
2222                                 cp->hprot_TPH_tileno[0] = 0;
2223                                 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2224                         }
2225                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2226                                 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2227                                 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2228                                 cp->pprot[i] = parameters->jpwl_pprot[i];
2229                         }
2230                 }
2231
2232                 /* set ESD writing */
2233                 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2234                         cp->esd_on = OPJ_TRUE;
2235
2236                         cp->sens_size = parameters->jpwl_sens_size;
2237                         cp->sens_addr = parameters->jpwl_sens_addr;
2238                         cp->sens_range = parameters->jpwl_sens_range;
2239
2240                         cp->sens_MH = parameters->jpwl_sens_MH;
2241                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2242                                 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2243                                 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2244                         }
2245                 }
2246
2247                 /* always set RED writing to false: we are at the encoder */
2248                 cp->red_on = OPJ_FALSE;
2249
2250         } else {
2251                 cp->epc_on = OPJ_FALSE;
2252         }
2253 #endif /* USE_JPWL */
2254
2255
2256         /* initialize the mutiple tiles */
2257         /* ---------------------------- */
2258         cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2259
2260         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2261                 opj_tcp_t *tcp = &cp->tcps[tileno];
2262                 tcp->numlayers = parameters->tcp_numlayers;
2263                 for (j = 0; j < tcp->numlayers; j++) {
2264                         if(cp->cinema){
2265                                 if (cp->fixed_quality) {
2266                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2267                                 }
2268                                 tcp->rates[j] = parameters->tcp_rates[j];
2269                         }else{
2270                                 if (cp->fixed_quality) {        /* add fixed_quality */
2271                                         tcp->distoratio[j] = parameters->tcp_distoratio[j];
2272                                 } else {
2273                                         tcp->rates[j] = parameters->tcp_rates[j];
2274                                 }
2275                         }
2276                 }
2277                 tcp->csty = parameters->csty;
2278                 tcp->prg = parameters->prog_order;
2279                 tcp->mct = parameters->tcp_mct; 
2280
2281                 numpocs_tile = 0;
2282                 tcp->POC = 0;
2283                 if (parameters->numpocs) {
2284                         /* initialisation of POC */
2285                         tcp->POC = 1;
2286                         for (i = 0; i < parameters->numpocs; i++) {
2287                                 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2288                                         opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2289                                         tcp_poc->resno0         = parameters->POC[numpocs_tile].resno0;
2290                                         tcp_poc->compno0        = parameters->POC[numpocs_tile].compno0;
2291                                         tcp_poc->layno1         = parameters->POC[numpocs_tile].layno1;
2292                                         tcp_poc->resno1         = parameters->POC[numpocs_tile].resno1;
2293                                         tcp_poc->compno1        = parameters->POC[numpocs_tile].compno1;
2294                                         tcp_poc->prg1           = parameters->POC[numpocs_tile].prg1;
2295                                         tcp_poc->tile           = parameters->POC[numpocs_tile].tile;
2296                                         numpocs_tile++;
2297                                 }
2298                         }
2299                         tcp->numpocs = numpocs_tile -1 ;
2300                 }else{ 
2301                         tcp->numpocs = 0;
2302                 }
2303
2304                 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2305
2306                 for (i = 0; i < image->numcomps; i++) {
2307                         opj_tccp_t *tccp = &tcp->tccps[i];
2308                         tccp->csty = parameters->csty & 0x01;   /* 0 => one precinct || 1 => custom precinct  */
2309                         tccp->numresolutions = parameters->numresolution;
2310                         tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2311                         tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2312                         tccp->cblksty = parameters->mode;
2313                         tccp->qmfbid = parameters->irreversible ? 0 : 1;
2314                         tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2315                         tccp->numgbits = 2;
2316                         if (i == parameters->roi_compno) {
2317                                 tccp->roishift = parameters->roi_shift;
2318                         } else {
2319                                 tccp->roishift = 0;
2320                         }
2321
2322                         if(parameters->cp_cinema)
2323                         {
2324                                 /*Precinct size for lowest frequency subband=128*/
2325                                 tccp->prcw[0] = 7;
2326                                 tccp->prch[0] = 7;
2327                                 /*Precinct size at all other resolutions = 256*/
2328                                 for (j = 1; j < tccp->numresolutions; j++) {
2329                                         tccp->prcw[j] = 8;
2330                                         tccp->prch[j] = 8;
2331                                 }
2332                         }else{
2333                                 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2334                                         int p = 0;
2335                                         for (j = tccp->numresolutions - 1; j >= 0; j--) {
2336                                                 if (p < parameters->res_spec) {
2337                                                         
2338                                                         if (parameters->prcw_init[p] < 1) {
2339                                                                 tccp->prcw[j] = 1;
2340                                                         } else {
2341                                                                 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2342                                                         }
2343                                                         
2344                                                         if (parameters->prch_init[p] < 1) {
2345                                                                 tccp->prch[j] = 1;
2346                                                         }else {
2347                                                                 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2348                                                         }
2349
2350                                                 } else {
2351                                                         int res_spec = parameters->res_spec;
2352                                                         int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2353                                                         int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2354                                                         
2355                                                         if (size_prcw < 1) {
2356                                                                 tccp->prcw[j] = 1;
2357                                                         } else {
2358                                                                 tccp->prcw[j] = int_floorlog2(size_prcw);
2359                                                         }
2360                                                         
2361                                                         if (size_prch < 1) {
2362                                                                 tccp->prch[j] = 1;
2363                                                         } else {
2364                                                                 tccp->prch[j] = int_floorlog2(size_prch);
2365                                                         }
2366                                                 }
2367                                                 p++;
2368                                                 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2369                                         }       /*end for*/
2370                                 } else {
2371                                         for (j = 0; j < tccp->numresolutions; j++) {
2372                                                 tccp->prcw[j] = 15;
2373                                                 tccp->prch[j] = 15;
2374                                         }
2375                                 }
2376                         }
2377
2378                         dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2379                 }
2380         }
2381 }
2382
2383 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2384         int tileno, compno;
2385         opj_cp_t *cp = NULL;
2386
2387         opj_tcd_t *tcd = NULL;  /* TCD component */
2388
2389         j2k->cio = cio; 
2390         j2k->image = image;
2391
2392         cp = j2k->cp;
2393
2394         /* INDEX >> */
2395         j2k->cstr_info = cstr_info;
2396         if (cstr_info) {
2397                 int compno;
2398                 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2399                 cstr_info->image_w = image->x1 - image->x0;
2400                 cstr_info->image_h = image->y1 - image->y0;
2401                 cstr_info->prog = (&cp->tcps[0])->prg;
2402                 cstr_info->tw = cp->tw;
2403                 cstr_info->th = cp->th;
2404                 cstr_info->tile_x = cp->tdx;    /* new version parser */
2405                 cstr_info->tile_y = cp->tdy;    /* new version parser */
2406                 cstr_info->tile_Ox = cp->tx0;   /* new version parser */
2407                 cstr_info->tile_Oy = cp->ty0;   /* new version parser */
2408                 cstr_info->numcomps = image->numcomps;
2409                 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2410                 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2411                 for (compno=0; compno < image->numcomps; compno++) {
2412                         cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2413                 }
2414                 cstr_info->D_max = 0.0;         /* ADD Marcela */
2415                 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2416                 cstr_info->maxmarknum = 100;
2417                 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2418                 cstr_info->marknum = 0;
2419         }
2420         /* << INDEX */
2421
2422         j2k_write_soc(j2k);
2423         j2k_write_siz(j2k);
2424         j2k_write_cod(j2k);
2425         j2k_write_qcd(j2k);
2426
2427         if(cp->cinema){
2428                 for (compno = 1; compno < image->numcomps; compno++) {
2429                         j2k_write_coc(j2k, compno);
2430                         j2k_write_qcc(j2k, compno);
2431                 }
2432         }
2433
2434         for (compno = 0; compno < image->numcomps; compno++) {
2435                 opj_tcp_t *tcp = &cp->tcps[0];
2436                 if (tcp->tccps[compno].roishift)
2437                         j2k_write_rgn(j2k, compno, 0);
2438         }
2439         if (cp->comment != NULL) {
2440                 j2k_write_com(j2k);
2441         }
2442
2443         j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2444         /* TLM Marker*/
2445         if(cp->cinema){
2446                 j2k_write_tlm(j2k);
2447                 if (cp->cinema == CINEMA4K_24) {
2448                         j2k_write_poc(j2k);
2449                 }
2450         }
2451
2452         /* uncomment only for testing JPSEC marker writing */
2453         /* j2k_write_sec(j2k); */
2454
2455         /* INDEX >> */
2456         if(cstr_info) {
2457                 cstr_info->main_head_end = cio_tell(cio) - 1;
2458         }
2459         /* << INDEX */
2460         /**** Main Header ENDS here ***/
2461
2462         /* create the tile encoder */
2463         tcd = tcd_create(j2k->cinfo);
2464
2465         /* encode each tile */
2466         for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2467                 int pino;
2468                 int tilepartno=0;
2469                 /* UniPG>> */
2470                 int acc_pack_num = 0;
2471                 /* <<UniPG */
2472
2473
2474                 opj_tcp_t *tcp = &cp->tcps[tileno];
2475                 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2476
2477                 j2k->curtileno = tileno;
2478                 j2k->cur_tp_num = 0;
2479                 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2480                 /* initialisation before tile encoding  */
2481                 if (tileno == 0) {
2482                         tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2483                 } else {
2484                         tcd_init_encode(tcd, image, cp, j2k->curtileno);
2485                 }
2486
2487                 /* INDEX >> */
2488                 if(cstr_info) {
2489                         cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2490                         cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2491                         cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2492                         cstr_info->tile[j2k->curtileno].marknum = 0;
2493                 }
2494                 /* << INDEX */
2495
2496                 for(pino = 0; pino <= tcp->numpocs; pino++) {
2497                         int tot_num_tp;
2498                         tcd->cur_pino=pino;
2499
2500                         /*Get number of tile parts*/
2501                         tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2502                         tcd->tp_pos = cp->tp_pos;
2503
2504                         for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2505                                 j2k->tp_num = tilepartno;
2506                                 /* INDEX >> */
2507                                 if(cstr_info)
2508                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2509                                         cio_tell(cio) + j2k->pos_correction;
2510                                 /* << INDEX */
2511                                 j2k_write_sot(j2k);
2512
2513                                 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2514                                         for (compno = 1; compno < image->numcomps; compno++) {
2515                                                 j2k_write_coc(j2k, compno);
2516                                                 j2k_write_qcc(j2k, compno);
2517                                         }
2518                                         if (cp->tcps[tileno].numpocs) {
2519                                                 j2k_write_poc(j2k);
2520                                         }
2521                                 }
2522
2523                                 /* INDEX >> */
2524                                 if(cstr_info)
2525                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2526                                         cio_tell(cio) + j2k->pos_correction + 1;
2527                                 /* << INDEX */
2528
2529                                 j2k_write_sod(j2k, tcd);
2530
2531                                 /* INDEX >> */
2532                                 if(cstr_info) {
2533                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2534                                                 cio_tell(cio) + j2k->pos_correction - 1;
2535                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2536                                                 acc_pack_num;
2537                                         cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2538                                                 cstr_info->packno - acc_pack_num;
2539                                         acc_pack_num = cstr_info->packno;
2540                                 }
2541                                 /* << INDEX */
2542
2543                                 j2k->cur_tp_num++;
2544                         }                       
2545                 }
2546                 if(cstr_info) {
2547                         cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2548                 }
2549
2550
2551                 /*
2552                 if (tile->PPT) { // BAD PPT !!! 
2553                 FILE *PPT_file;
2554                 int i;
2555                 PPT_file=fopen("PPT","rb");
2556                 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2557                 for (i=0;i<tile->len_ppt;i++) {
2558                 unsigned char elmt;
2559                 fread(&elmt, 1, 1, PPT_file);
2560                 fwrite(&elmt,1,1,f);
2561                 }
2562                 fclose(PPT_file);
2563                 unlink("PPT");
2564                 }
2565                 */
2566
2567         }
2568
2569         /* destroy the tile encoder */
2570         tcd_free_encode(tcd);
2571         tcd_destroy(tcd);
2572
2573         opj_free(j2k->cur_totnum_tp);
2574
2575         j2k_write_eoc(j2k);
2576
2577         if(cstr_info) {
2578                 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2579                 /* UniPG>> */
2580                 /* The following adjustment is done to adjust the codestream size */
2581                 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2582                 /* the first bunch of bytes is not in the codestream              */
2583                 cstr_info->codestream_size -= cstr_info->main_head_start;
2584                 /* <<UniPG */
2585         }
2586
2587 #ifdef USE_JPWL
2588         /*
2589         preparation of JPWL marker segments
2590         */
2591         if(cp->epc_on) {
2592
2593                 /* encode according to JPWL */
2594                 jpwl_encode(j2k, cio, image);
2595
2596         }
2597 #endif /* USE_JPWL */
2598
2599         return OPJ_TRUE;
2600 }
2601
2602 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2603
2604         if (!cstr_info)
2605                 return;
2606
2607         /* expand the list? */
2608         if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2609                 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2610                 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2611         }
2612
2613         /* add the marker */
2614         cstr_info->marker[cstr_info->marknum].type = type;
2615         cstr_info->marker[cstr_info->marknum].pos = pos;
2616         cstr_info->marker[cstr_info->marknum].len = len;
2617         cstr_info->marknum++;
2618
2619 }
2620
2621 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2622
2623   opj_marker_info_t *marker;
2624
2625         if (!cstr_info)
2626                 return;
2627
2628         /* expand the list? */
2629         if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2630                 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2631                 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2632         }
2633
2634         marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2635
2636         /* add the marker */
2637         marker->type = type;
2638         marker->pos = pos;
2639         marker->len = len;
2640         cstr_info->tile[tileno].marknum++;
2641 }