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-rw-r--r--libraries/openjpeg-libsl/libopenjpeg/j2k.c2630
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diff --git a/libraries/openjpeg-libsl/libopenjpeg/j2k.c b/libraries/openjpeg-libsl/libopenjpeg/j2k.c
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1/*
2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2001-2003, David Janssens
5 * Copyright (c) 2002-2003, Yannick Verschueren
6 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7 * Copyright (c) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2006-2007, Parvatha Elangovan
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include "opj_includes.h"
34
35/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
36/*@{*/
37
38/** @name Local static functions */
39/*@{*/
40
41/**
42Write the SOC marker (Start Of Codestream)
43@param j2k J2K handle
44*/
45static void j2k_write_soc(opj_j2k_t *j2k);
46/**
47Read the SOC marker (Start of Codestream)
48@param j2k J2K handle
49*/
50static void j2k_read_soc(opj_j2k_t *j2k);
51/**
52Write the SIZ marker (image and tile size)
53@param j2k J2K handle
54*/
55static void j2k_write_siz(opj_j2k_t *j2k);
56/**
57Read the SIZ marker (image and tile size)
58@param j2k J2K handle
59*/
60static void j2k_read_siz(opj_j2k_t *j2k);
61/**
62Write the COM marker (comment)
63@param j2k J2K handle
64*/
65static void j2k_write_com(opj_j2k_t *j2k);
66/**
67Read the COM marker (comment)
68@param j2k J2K handle
69*/
70static void j2k_read_com(opj_j2k_t *j2k);
71/**
72Write the value concerning the specified component in the marker COD and COC
73@param j2k J2K handle
74@param compno Number of the component concerned by the information written
75*/
76static void j2k_write_cox(opj_j2k_t *j2k, int compno);
77/**
78Read the value concerning the specified component in the marker COD and COC
79@param j2k J2K handle
80@param compno Number of the component concerned by the information read
81*/
82static void j2k_read_cox(opj_j2k_t *j2k, int compno);
83/**
84Write the COD marker (coding style default)
85@param j2k J2K handle
86*/
87static void j2k_write_cod(opj_j2k_t *j2k);
88/**
89Read the COD marker (coding style default)
90@param j2k J2K handle
91*/
92static void j2k_read_cod(opj_j2k_t *j2k);
93/**
94Write the COC marker (coding style component)
95@param j2k J2K handle
96@param compno Number of the component concerned by the information written
97*/
98static void j2k_write_coc(opj_j2k_t *j2k, int compno);
99/**
100Read the COC marker (coding style component)
101@param j2k J2K handle
102*/
103static void j2k_read_coc(opj_j2k_t *j2k);
104/**
105Write the value concerning the specified component in the marker QCD and QCC
106@param j2k J2K handle
107@param compno Number of the component concerned by the information written
108*/
109static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
110/**
111Read the value concerning the specified component in the marker QCD and QCC
112@param j2k J2K handle
113@param compno Number of the component concern by the information read
114@param len Length of the information in the QCX part of the marker QCD/QCC
115*/
116static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
117/**
118Write the QCD marker (quantization default)
119@param j2k J2K handle
120*/
121static void j2k_write_qcd(opj_j2k_t *j2k);
122/**
123Read the QCD marker (quantization default)
124@param j2k J2K handle
125*/
126static void j2k_read_qcd(opj_j2k_t *j2k);
127/**
128Write the QCC marker (quantization component)
129@param j2k J2K handle
130@param compno Number of the component concerned by the information written
131*/
132static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
133/**
134Read the QCC marker (quantization component)
135@param j2k J2K handle
136*/
137static void j2k_read_qcc(opj_j2k_t *j2k);
138/**
139Write the POC marker (progression order change)
140@param j2k J2K handle
141*/
142static void j2k_write_poc(opj_j2k_t *j2k);
143/**
144Read the POC marker (progression order change)
145@param j2k J2K handle
146*/
147static void j2k_read_poc(opj_j2k_t *j2k);
148/**
149Read the CRG marker (component registration)
150@param j2k J2K handle
151*/
152static void j2k_read_crg(opj_j2k_t *j2k);
153/**
154Read the TLM marker (tile-part lengths)
155@param j2k J2K handle
156*/
157static void j2k_read_tlm(opj_j2k_t *j2k);
158/**
159Read the PLM marker (packet length, main header)
160@param j2k J2K handle
161*/
162static void j2k_read_plm(opj_j2k_t *j2k);
163/**
164Read the PLT marker (packet length, tile-part header)
165@param j2k J2K handle
166*/
167static void j2k_read_plt(opj_j2k_t *j2k);
168/**
169Read the PPM marker (packet packet headers, main header)
170@param j2k J2K handle
171*/
172static void j2k_read_ppm(opj_j2k_t *j2k);
173/**
174Read the PPT marker (packet packet headers, tile-part header)
175@param j2k J2K handle
176*/
177static void j2k_read_ppt(opj_j2k_t *j2k);
178/**
179Write the TLM marker (Mainheader)
180@param j2k J2K handle
181*/
182static void j2k_write_tlm(opj_j2k_t *j2k);
183/**
184Write the SOT marker (start of tile-part)
185@param j2k J2K handle
186*/
187static void j2k_write_sot(opj_j2k_t *j2k);
188/**
189Read the SOT marker (start of tile-part)
190@param j2k J2K handle
191*/
192static void j2k_read_sot(opj_j2k_t *j2k);
193/**
194Write the SOD marker (start of data)
195@param j2k J2K handle
196@param tile_coder Pointer to a TCD handle
197*/
198static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
199/**
200Read the SOD marker (start of data)
201@param j2k J2K handle
202*/
203static void j2k_read_sod(opj_j2k_t *j2k);
204/**
205Write the RGN marker (region-of-interest)
206@param j2k J2K handle
207@param compno Number of the component concerned by the information written
208@param tileno Number of the tile concerned by the information written
209*/
210static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
211/**
212Read the RGN marker (region-of-interest)
213@param j2k J2K handle
214*/
215static void j2k_read_rgn(opj_j2k_t *j2k);
216/**
217Write the EOC marker (end of codestream)
218@param j2k J2K handle
219*/
220static void j2k_write_eoc(opj_j2k_t *j2k);
221/**
222Read the EOC marker (end of codestream)
223@param j2k J2K handle
224*/
225static void j2k_read_eoc(opj_j2k_t *j2k);
226/**
227Read an unknown marker
228@param j2k J2K handle
229*/
230static void j2k_read_unk(opj_j2k_t *j2k);
231
232/*@}*/
233
234/*@}*/
235
236/* ----------------------------------------------------------------------- */
237typedef struct j2k_prog_order{
238 OPJ_PROG_ORDER enum_prog;
239 char str_prog[4];
240}j2k_prog_order_t;
241
242j2k_prog_order_t j2k_prog_order_list[] = {
243 {CPRL, "CPRL"},
244 {LRCP, "LRCP"},
245 {PCRL, "PCRL"},
246 {RLCP, "RLCP"},
247 {RPCL, "RPCL"},
248 {-1, ""}
249};
250
251char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
252 j2k_prog_order_t *po;
253 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
254 if(po->enum_prog == prg_order){
255 break;
256 }
257 }
258 return po->str_prog;
259}
260
261static void j2k_check_poc_val(opj_cparameters_t *parameters, int numcomps, int numlayers){
262 int index, resno, compno, layno, i;
263 char loss = 0;
264 int step_c = 1;
265 int step_r = numcomps * step_c;
266 int step_l = parameters->numresolution * step_r;
267 int array_size = step_l * numlayers * sizeof(int);
268 int *packet_array = (int *) opj_malloc(array_size);
269
270 for (i = 0; i < parameters->numpocs ; i++) {
271 int layno0 = 0;
272 if(i > 0)
273 layno0 = (parameters->POC[i].layno1 > parameters->POC[i-1].layno1 )? parameters->POC[i-1].layno1 : 0;
274 for (resno = parameters->POC[i].resno0 ; resno < parameters->POC[i].resno1 ; resno++) {
275 for (compno = parameters->POC[i].compno0 ; compno < parameters->POC[i].compno1 ; compno++) {
276 for (layno = layno0; layno < parameters->POC[i].layno1 ; layno++) {
277 index = step_r * resno + step_c * compno + step_l * layno;
278 packet_array[index]= 1;
279 }
280 }
281 }
282 }
283 for (resno = 0; resno < parameters->numresolution; resno++) {
284 for (compno = 0; compno < numcomps; compno++) {
285 for (layno = 0; layno < numlayers ; layno++) {
286 index = step_r * resno + step_c * compno + step_l * layno;
287 if(!( packet_array[index]== 1)){
288 loss = 1;
289 }
290 }
291 }
292 }
293 if(loss == 1)
294 fprintf(stdout,"Missing packets possible loss of data\n");
295 opj_free(packet_array);
296}
297
298void j2k_dump_image(FILE *fd, opj_image_t * img) {
299 int compno;
300 fprintf(fd, "image {\n");
301 fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0, img->x1, img->y1);
302 fprintf(fd, " numcomps=%d\n", img->numcomps);
303 for (compno = 0; compno < img->numcomps; compno++) {
304 opj_image_comp_t *comp = &img->comps[compno];
305 fprintf(fd, " comp %d {\n", compno);
306 fprintf(fd, " dx=%d, dy=%d\n", comp->dx, comp->dy);
307 fprintf(fd, " prec=%d\n", comp->prec);
308 fprintf(fd, " sgnd=%d\n", comp->sgnd);
309 fprintf(fd, " }\n");
310 }
311 fprintf(fd, "}\n");
312}
313
314void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) {
315 int tileno, compno, layno, bandno, resno, numbands;
316 fprintf(fd, "coding parameters {\n");
317 fprintf(fd, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
318 fprintf(fd, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
319 fprintf(fd, " tw=%d, th=%d\n", cp->tw, cp->th);
320 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
321 opj_tcp_t *tcp = &cp->tcps[tileno];
322 fprintf(fd, " tile %d {\n", tileno);
323 fprintf(fd, " csty=%x\n", tcp->csty);
324 fprintf(fd, " prg=%d\n", tcp->prg);
325 fprintf(fd, " numlayers=%d\n", tcp->numlayers);
326 fprintf(fd, " mct=%d\n", tcp->mct);
327 fprintf(fd, " rates=");
328 for (layno = 0; layno < tcp->numlayers; layno++) {
329 fprintf(fd, "%.1f ", tcp->rates[layno]);
330 }
331 fprintf(fd, "\n");
332 for (compno = 0; compno < img->numcomps; compno++) {
333 opj_tccp_t *tccp = &tcp->tccps[compno];
334 fprintf(fd, " comp %d {\n", compno);
335 fprintf(fd, " csty=%x\n", tccp->csty);
336 fprintf(fd, " numresolutions=%d\n", tccp->numresolutions);
337 fprintf(fd, " cblkw=%d\n", tccp->cblkw);
338 fprintf(fd, " cblkh=%d\n", tccp->cblkh);
339 fprintf(fd, " cblksty=%x\n", tccp->cblksty);
340 fprintf(fd, " qmfbid=%d\n", tccp->qmfbid);
341 fprintf(fd, " qntsty=%d\n", tccp->qntsty);
342 fprintf(fd, " numgbits=%d\n", tccp->numgbits);
343 fprintf(fd, " roishift=%d\n", tccp->roishift);
344 fprintf(fd, " stepsizes=");
345 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
346 for (bandno = 0; bandno < numbands; bandno++) {
347 fprintf(fd, "(%d,%d) ", tccp->stepsizes[bandno].mant,
348 tccp->stepsizes[bandno].expn);
349 }
350 fprintf(fd, "\n");
351
352 if (tccp->csty & J2K_CCP_CSTY_PRT) {
353 fprintf(fd, " prcw=");
354 for (resno = 0; resno < tccp->numresolutions; resno++) {
355 fprintf(fd, "%d ", tccp->prcw[resno]);
356 }
357 fprintf(fd, "\n");
358 fprintf(fd, " prch=");
359 for (resno = 0; resno < tccp->numresolutions; resno++) {
360 fprintf(fd, "%d ", tccp->prch[resno]);
361 }
362 fprintf(fd, "\n");
363 }
364 fprintf(fd, " }\n");
365 }
366 fprintf(fd, " }\n");
367 }
368 fprintf(fd, "}\n");
369}
370
371/* ----------------------------------------------------------------------- */
372static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
373 char *prog;
374 int i;
375 int tpnum=1,tpend=0;
376 opj_tcp_t *tcp = &cp->tcps[tileno];
377 prog = j2k_convert_progression_order(tcp->prg);
378
379 if(cp->tp_on == 1){
380 for(i=0;i<4;i++){
381 if(tpend!=1){
382 if( cp->tp_flag == prog[i] ){
383 tpend=1;cp->tp_pos=i;
384 }
385 switch(prog[i]){
386 case 'C':
387 tpnum= tpnum * tcp->pocs[pino].compE;
388 break;
389 case 'R':
390 tpnum= tpnum * tcp->pocs[pino].resE;
391 break;
392 case 'P':
393 tpnum= tpnum * tcp->pocs[pino].prcE;
394 break;
395 case 'L':
396 tpnum= tpnum * tcp->pocs[pino].layE;
397 break;
398 }
399 }
400 }
401 }else{
402 tpnum=1;
403 }
404 return tpnum;
405}
406
407/** mem allocation for TLM marker*/
408int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){
409 int pino,tileno,maxres=0,totnum_tp=0;
410 j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
411 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
412 int cur_totnum_tp = 0;
413 opj_tcp_t *tcp = &cp->tcps[tileno];
414 for(pino = 0; pino <= tcp->numpocs; pino++) {
415 int tp_num=0;
416 opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS);
417 if(!pi) { return -1;}
418 tp_num = j2k_get_num_tp(cp,pino,tileno);
419 totnum_tp = totnum_tp + tp_num;
420 cur_totnum_tp = cur_totnum_tp + tp_num;
421 pi_destroy(pi, cp, tileno);
422 }
423 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
424 }
425 return totnum_tp;
426}
427
428static void j2k_write_soc(opj_j2k_t *j2k) {
429 opj_cio_t *cio = j2k->cio;
430 cio_write(cio, J2K_MS_SOC, 2);
431}
432
433static void j2k_read_soc(opj_j2k_t *j2k) {
434 j2k->state = J2K_STATE_MHSIZ;
435}
436
437static void j2k_write_siz(opj_j2k_t *j2k) {
438 int i;
439 int lenp, len;
440
441 opj_cio_t *cio = j2k->cio;
442 opj_image_t *image = j2k->image;
443 opj_cp_t *cp = j2k->cp;
444
445 cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
446 lenp = cio_tell(cio);
447 cio_skip(cio, 2);
448 cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */
449 cio_write(cio, image->x1, 4); /* Xsiz */
450 cio_write(cio, image->y1, 4); /* Ysiz */
451 cio_write(cio, image->x0, 4); /* X0siz */
452 cio_write(cio, image->y0, 4); /* Y0siz */
453 cio_write(cio, cp->tdx, 4); /* XTsiz */
454 cio_write(cio, cp->tdy, 4); /* YTsiz */
455 cio_write(cio, cp->tx0, 4); /* XT0siz */
456 cio_write(cio, cp->ty0, 4); /* YT0siz */
457 cio_write(cio, image->numcomps, 2); /* Csiz */
458 for (i = 0; i < image->numcomps; i++) {
459 cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */
460 cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */
461 cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */
462 }
463 len = cio_tell(cio) - lenp;
464 cio_seek(cio, lenp);
465 cio_write(cio, len, 2); /* Lsiz */
466 cio_seek(cio, lenp + len);
467}
468
469static void j2k_read_siz(opj_j2k_t *j2k) {
470 int len, i;
471
472 opj_cio_t *cio = j2k->cio;
473 opj_image_t *image = j2k->image;
474 opj_cp_t *cp = j2k->cp;
475
476 len = cio_read(cio, 2); /* Lsiz */
477 cio_read(cio, 2); /* Rsiz (capabilities) */
478 image->x1 = cio_read(cio, 4); /* Xsiz */
479 image->y1 = cio_read(cio, 4); /* Ysiz */
480 image->x0 = cio_read(cio, 4); /* X0siz */
481 image->y0 = cio_read(cio, 4); /* Y0siz */
482 cp->tdx = cio_read(cio, 4); /* XTsiz */
483 cp->tdy = cio_read(cio, 4); /* YTsiz */
484 cp->tx0 = cio_read(cio, 4); /* XT0siz */
485 cp->ty0 = cio_read(cio, 4); /* YT0siz */
486
487 image->numcomps = cio_read(cio, 2); /* Csiz */
488
489#ifdef USE_JPWL
490 if (j2k->cp->correct) {
491 /* if JPWL is on, we check whether TX errors have damaged
492 too much the SIZ parameters */
493 if (!(image->x1 * image->y1)) {
494 opj_event_msg(j2k->cinfo, EVT_ERROR,
495 "JPWL: bad image size (%d x %d)\n",
496 image->x1, image->y1);
497 if (!JPWL_ASSUME || JPWL_ASSUME) {
498 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
499 return;
500 }
501 }
502 if (image->numcomps != ((len - 38) / 3)) {
503 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
504 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
505 image->numcomps, ((len - 38) / 3));
506 if (!JPWL_ASSUME) {
507 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
508 return;
509 }
510 /* we try to correct */
511 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n");
512 if (image->numcomps < ((len - 38) / 3)) {
513 len = 38 + 3 * image->numcomps;
514 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
515 len);
516 } else {
517 image->numcomps = ((len - 38) / 3);
518 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
519 image->numcomps);
520 }
521 }
522
523 /* update components number in the jpwl_exp_comps filed */
524 cp->exp_comps = image->numcomps;
525 }
526#endif /* USE_JPWL */
527
528 image->comps = (opj_image_comp_t *) opj_malloc(image->numcomps * sizeof(opj_image_comp_t));
529 for (i = 0; i < image->numcomps; i++) {
530 int tmp, w, h;
531 tmp = cio_read(cio, 1); /* Ssiz_i */
532 image->comps[i].prec = (tmp & 0x7f) + 1;
533 image->comps[i].sgnd = tmp >> 7;
534 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
535 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
536
537#ifdef USE_JPWL
538 if (j2k->cp->correct) {
539 /* if JPWL is on, we check whether TX errors have damaged
540 too much the SIZ parameters, again */
541 if (!(image->comps[i].dx * image->comps[i].dy)) {
542 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
543 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
544 i, i, image->comps[i].dx, image->comps[i].dy);
545 if (!JPWL_ASSUME) {
546 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
547 return;
548 }
549 /* we try to correct */
550 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
551 if (!image->comps[i].dx) {
552 image->comps[i].dx = 1;
553 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
554 i, image->comps[i].dx);
555 }
556 if (!image->comps[i].dy) {
557 image->comps[i].dy = 1;
558 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
559 i, image->comps[i].dy);
560 }
561 }
562
563 }
564#endif /* USE_JPWL */
565
566
567 /* TODO: unused ? */
568 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
569 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
570
571 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
572 image->comps[i].factor = 0; /* reducing factor per component */
573 }
574
575 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
576 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
577
578#ifdef USE_JPWL
579 if (j2k->cp->correct) {
580 /* if JPWL is on, we check whether TX errors have damaged
581 too much the SIZ parameters */
582 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
583 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
584 "JPWL: bad number of tiles (%d x %d)\n",
585 cp->tw, cp->th);
586 if (!JPWL_ASSUME) {
587 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
588 return;
589 }
590 /* we try to correct */
591 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
592 if (cp->tw < 1) {
593 cp->tw= 1;
594 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
595 cp->tw);
596 }
597 if (cp->tw > cp->max_tiles) {
598 cp->tw= 1;
599 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
600 "- setting %d tiles in x => HYPOTHESIS!!!\n",
601 cp->max_tiles, cp->tw);
602 }
603 if (cp->th < 1) {
604 cp->th= 1;
605 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
606 cp->th);
607 }
608 if (cp->th > cp->max_tiles) {
609 cp->th= 1;
610 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
611 "- setting %d tiles in y => HYPOTHESIS!!!\n",
612 cp->max_tiles, cp->th);
613 }
614 }
615 }
616#endif /* USE_JPWL */
617
618 cp->tcps = (opj_tcp_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcp_t));
619 cp->tileno = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
620 cp->tileno_size = 0;
621
622#ifdef USE_JPWL
623 if (j2k->cp->correct) {
624 if (!cp->tcps) {
625 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
626 "JPWL: could not alloc tcps field of cp\n");
627 if (!JPWL_ASSUME || JPWL_ASSUME) {
628 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
629 return;
630 }
631 }
632 }
633#endif /* USE_JPWL */
634
635 for (i = 0; i < cp->tw * cp->th; i++) {
636 cp->tcps[i].POC = 0;
637 cp->tcps[i].numpocs = 0;
638 cp->tcps[i].first = 1;
639 }
640
641 /* Initialization for PPM marker */
642 cp->ppm = 0;
643 cp->ppm_data = NULL;
644 cp->ppm_data_first = NULL;
645 cp->ppm_previous = 0;
646 cp->ppm_store = 0;
647
648 j2k->default_tcp->tccps = (opj_tccp_t *) opj_malloc(sizeof(opj_tccp_t) * image->numcomps);
649 for (i = 0; i < cp->tw * cp->th; i++) {
650 cp->tcps[i].tccps = (opj_tccp_t *) opj_malloc(sizeof(opj_tccp_t) * image->numcomps);
651 }
652 j2k->tile_data = (unsigned char **) opj_malloc(cp->tw * cp->th * sizeof(unsigned char *));
653 j2k->tile_len = (int *) opj_malloc(cp->tw * cp->th * sizeof(int));
654 j2k->state = J2K_STATE_MH;
655}
656
657static void j2k_write_com(opj_j2k_t *j2k) {
658 unsigned int i;
659 int lenp, len;
660
661 if(j2k->cp->comment) {
662 opj_cio_t *cio = j2k->cio;
663 char *comment = j2k->cp->comment;
664
665 cio_write(cio, J2K_MS_COM, 2);
666 lenp = cio_tell(cio);
667 cio_skip(cio, 2);
668 cio_write(cio, 0, 2);
669 for (i = 0; i < strlen(comment); i++) {
670 cio_write(cio, comment[i], 1);
671 }
672 len = cio_tell(cio) - lenp;
673 cio_seek(cio, lenp);
674 cio_write(cio, len, 2);
675 cio_seek(cio, lenp + len);
676 }
677}
678
679static void j2k_read_com(opj_j2k_t *j2k) {
680 int len;
681
682 opj_cio_t *cio = j2k->cio;
683
684 len = cio_read(cio, 2);
685 cio_skip(cio, len - 2);
686}
687
688static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
689 int i;
690
691 opj_cp_t *cp = j2k->cp;
692 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
693 opj_tccp_t *tccp = &tcp->tccps[compno];
694 opj_cio_t *cio = j2k->cio;
695
696 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
697 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
698 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
699 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
700 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
701
702 if (tccp->csty & J2K_CCP_CSTY_PRT) {
703 for (i = 0; i < tccp->numresolutions; i++) {
704 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
705 }
706 }
707}
708
709static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
710 int i;
711
712 opj_cp_t *cp = j2k->cp;
713 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
714 opj_tccp_t *tccp = &tcp->tccps[compno];
715 opj_cio_t *cio = j2k->cio;
716
717 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
718
719 /* check the reduce value */
720 cp->reduce = int_min((tccp->numresolutions)-1, cp->reduce);
721 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
722 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
723 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
724 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
725 if (tccp->csty & J2K_CP_CSTY_PRT) {
726 for (i = 0; i < tccp->numresolutions; i++) {
727 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
728 tccp->prcw[i] = tmp & 0xf;
729 tccp->prch[i] = tmp >> 4;
730 }
731 }
732}
733
734static void j2k_write_cod(opj_j2k_t *j2k) {
735 opj_cp_t *cp = NULL;
736 opj_tcp_t *tcp = NULL;
737 int lenp, len;
738
739 opj_cio_t *cio = j2k->cio;
740
741 cio_write(cio, J2K_MS_COD, 2); /* COD */
742
743 lenp = cio_tell(cio);
744 cio_skip(cio, 2);
745
746 cp = j2k->cp;
747 tcp = &cp->tcps[j2k->curtileno];
748
749 cio_write(cio, tcp->csty, 1); /* Scod */
750 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
751 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
752 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
753
754 j2k_write_cox(j2k, 0);
755 len = cio_tell(cio) - lenp;
756 cio_seek(cio, lenp);
757 cio_write(cio, len, 2); /* Lcod */
758 cio_seek(cio, lenp + len);
759}
760
761static void j2k_read_cod(opj_j2k_t *j2k) {
762 int len, i, pos;
763
764 opj_cio_t *cio = j2k->cio;
765 opj_cp_t *cp = j2k->cp;
766 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
767 opj_image_t *image = j2k->image;
768
769 len = cio_read(cio, 2); /* Lcod */
770 tcp->csty = cio_read(cio, 1); /* Scod */
771 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
772 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
773 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
774
775 pos = cio_tell(cio);
776 for (i = 0; i < image->numcomps; i++) {
777 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
778 cio_seek(cio, pos);
779 j2k_read_cox(j2k, i);
780 }
781}
782
783static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
784 int lenp, len;
785
786 opj_cp_t *cp = j2k->cp;
787 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
788 opj_image_t *image = j2k->image;
789 opj_cio_t *cio = j2k->cio;
790
791 cio_write(cio, J2K_MS_COC, 2); /* COC */
792 lenp = cio_tell(cio);
793 cio_skip(cio, 2);
794 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
795 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
796 j2k_write_cox(j2k, compno);
797 len = cio_tell(cio) - lenp;
798 cio_seek(cio, lenp);
799 cio_write(cio, len, 2); /* Lcoc */
800 cio_seek(cio, lenp + len);
801}
802
803static void j2k_read_coc(opj_j2k_t *j2k) {
804 int len, compno;
805
806 opj_cp_t *cp = j2k->cp;
807 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
808 opj_image_t *image = j2k->image;
809 opj_cio_t *cio = j2k->cio;
810
811 len = cio_read(cio, 2); /* Lcoc */
812 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
813 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
814 j2k_read_cox(j2k, compno);
815}
816
817static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
818 int bandno, numbands;
819 int expn, mant;
820
821 opj_cp_t *cp = j2k->cp;
822 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
823 opj_tccp_t *tccp = &tcp->tccps[compno];
824 opj_cio_t *cio = j2k->cio;
825
826 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
827 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
828
829 for (bandno = 0; bandno < numbands; bandno++) {
830 expn = tccp->stepsizes[bandno].expn;
831 mant = tccp->stepsizes[bandno].mant;
832
833 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
834 cio_write(cio, expn << 3, 1); /* SPqcx_i */
835 } else {
836 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
837 }
838 }
839}
840
841static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
842 int tmp;
843 int bandno, numbands;
844
845 opj_cp_t *cp = j2k->cp;
846 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
847 opj_tccp_t *tccp = &tcp->tccps[compno];
848 opj_cio_t *cio = j2k->cio;
849
850 tmp = cio_read(cio, 1); /* Sqcx */
851 tccp->qntsty = tmp & 0x1f;
852 tccp->numgbits = tmp >> 5;
853 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
854 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
855
856#ifdef USE_JPWL
857 if (j2k->cp->correct) {
858
859 /* if JPWL is on, we check whether there are too many subbands */
860 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
861 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
862 "JPWL: bad number of subbands in Sqcx (%d)\n",
863 numbands);
864 if (!JPWL_ASSUME) {
865 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
866 return;
867 }
868 /* we try to correct */
869 numbands = 1;
870 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
871 "- setting number of bands to %d => HYPOTHESIS!!!\n",
872 numbands);
873 };
874
875 };
876#endif /* USE_JPWL */
877
878 for (bandno = 0; bandno < numbands; bandno++) {
879 int expn, mant;
880 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
881 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
882 mant = 0;
883 } else {
884 tmp = cio_read(cio, 2); /* SPqcx_i */
885 expn = tmp >> 11;
886 mant = tmp & 0x7ff;
887 }
888 tccp->stepsizes[bandno].expn = expn;
889 tccp->stepsizes[bandno].mant = mant;
890 }
891
892 /* Add Antonin : if scalar_derived -> compute other stepsizes */
893 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
894 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
895 tccp->stepsizes[bandno].expn =
896 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
897 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
898 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
899 }
900 }
901 /* ddA */
902}
903
904static void j2k_write_qcd(opj_j2k_t *j2k) {
905 int lenp, len;
906
907 opj_cio_t *cio = j2k->cio;
908
909 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
910 lenp = cio_tell(cio);
911 cio_skip(cio, 2);
912 j2k_write_qcx(j2k, 0);
913 len = cio_tell(cio) - lenp;
914 cio_seek(cio, lenp);
915 cio_write(cio, len, 2); /* Lqcd */
916 cio_seek(cio, lenp + len);
917}
918
919static void j2k_read_qcd(opj_j2k_t *j2k) {
920 int len, i, pos;
921
922 opj_cio_t *cio = j2k->cio;
923 opj_image_t *image = j2k->image;
924
925 len = cio_read(cio, 2); /* Lqcd */
926 pos = cio_tell(cio);
927 for (i = 0; i < image->numcomps; i++) {
928 cio_seek(cio, pos);
929 j2k_read_qcx(j2k, i, len - 2);
930 }
931}
932
933static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
934 int lenp, len;
935
936 opj_cio_t *cio = j2k->cio;
937
938 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
939 lenp = cio_tell(cio);
940 cio_skip(cio, 2);
941 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
942 j2k_write_qcx(j2k, compno);
943 len = cio_tell(cio) - lenp;
944 cio_seek(cio, lenp);
945 cio_write(cio, len, 2); /* Lqcc */
946 cio_seek(cio, lenp + len);
947}
948
949static void j2k_read_qcc(opj_j2k_t *j2k) {
950 int len, compno;
951 int numcomp = j2k->image->numcomps;
952 opj_cio_t *cio = j2k->cio;
953
954 len = cio_read(cio, 2); /* Lqcc */
955 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
956
957#ifdef USE_JPWL
958 if (j2k->cp->correct) {
959
960 static int backup_compno = 0;
961
962 /* compno is negative or larger than the number of components!!! */
963 if ((compno < 0) || (compno >= numcomp)) {
964 opj_event_msg(j2k->cinfo, EVT_ERROR,
965 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
966 compno, numcomp);
967 if (!JPWL_ASSUME) {
968 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
969 return;
970 }
971 /* we try to correct */
972 compno = backup_compno % numcomp;
973 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
974 "- setting component number to %d\n",
975 compno);
976 }
977
978 /* keep your private count of tiles */
979 backup_compno++;
980 };
981#endif /* USE_JPWL */
982
983 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
984}
985
986static void j2k_write_poc(opj_j2k_t *j2k) {
987 int len, numpchgs, i;
988
989 int numcomps = j2k->image->numcomps;
990
991 opj_cp_t *cp = j2k->cp;
992 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
993 opj_tccp_t *tccp = &tcp->tccps[0];
994 opj_cio_t *cio = j2k->cio;
995
996 numpchgs = 1 + tcp->numpocs;
997 cio_write(cio, J2K_MS_POC, 2); /* POC */
998 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
999 cio_write(cio, len, 2); /* Lpoc */
1000 for (i = 0; i < numpchgs; i++) {
1001 opj_poc_t *poc = &tcp->pocs[i];
1002 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1003 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
1004 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1005 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1006 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1007 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1008 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
1009 poc->compno1 = int_min(poc->compno1, numcomps);
1010 cio_write(cio, poc->prg, 1); /* Ppoc_i */
1011 }
1012}
1013
1014static void j2k_read_poc(opj_j2k_t *j2k) {
1015 int len, numpchgs, i, old_poc;
1016
1017 int numcomps = j2k->image->numcomps;
1018
1019 opj_cp_t *cp = j2k->cp;
1020 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1021 opj_tccp_t *tccp = &tcp->tccps[0];
1022 opj_cio_t *cio = j2k->cio;
1023
1024 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1025 tcp->POC = 1;
1026 len = cio_read(cio, 2); /* Lpoc */
1027 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1028
1029 for (i = old_poc; i < numpchgs + old_poc; i++) {
1030 opj_poc_t *poc;
1031 poc = &tcp->pocs[i];
1032 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1033 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
1034 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
1035 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
1036 poc->compno1 = int_min(
1037 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
1038 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1039 }
1040
1041 tcp->numpocs = numpchgs + old_poc - 1;
1042}
1043
1044static void j2k_read_crg(opj_j2k_t *j2k) {
1045 int len, i, Xcrg_i, Ycrg_i;
1046
1047 opj_cio_t *cio = j2k->cio;
1048 int numcomps = j2k->image->numcomps;
1049
1050 len = cio_read(cio, 2); /* Lcrg */
1051 for (i = 0; i < numcomps; i++) {
1052 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1053 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1054 }
1055}
1056
1057static void j2k_read_tlm(opj_j2k_t *j2k) {
1058 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1059 long int Ttlm_i, Ptlm_i;
1060
1061 opj_cio_t *cio = j2k->cio;
1062
1063 len = cio_read(cio, 2); /* Ltlm */
1064 Ztlm = cio_read(cio, 1); /* Ztlm */
1065 Stlm = cio_read(cio, 1); /* Stlm */
1066 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1067 SP = (Stlm >> 6) & 0x01;
1068 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1069 for (i = 0; i < tile_tlm; i++) {
1070 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1071 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1072 }
1073}
1074
1075static void j2k_read_plm(opj_j2k_t *j2k) {
1076 int len, i, Zplm, Nplm, add, packet_len = 0;
1077
1078 opj_cio_t *cio = j2k->cio;
1079
1080 len = cio_read(cio, 2); /* Lplm */
1081 Zplm = cio_read(cio, 1); /* Zplm */
1082 len -= 3;
1083 while (len > 0) {
1084 Nplm = cio_read(cio, 4); /* Nplm */
1085 len -= 4;
1086 for (i = Nplm; i > 0; i--) {
1087 add = cio_read(cio, 1);
1088 len--;
1089 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1090 if ((add & 0x80) == 0) {
1091 /* New packet */
1092 packet_len = 0;
1093 }
1094 if (len <= 0)
1095 break;
1096 }
1097 }
1098}
1099
1100static void j2k_read_plt(opj_j2k_t *j2k) {
1101 int len, i, Zplt, packet_len = 0, add;
1102
1103 opj_cio_t *cio = j2k->cio;
1104
1105 len = cio_read(cio, 2); /* Lplt */
1106 Zplt = cio_read(cio, 1); /* Zplt */
1107 for (i = len - 3; i > 0; i--) {
1108 add = cio_read(cio, 1);
1109 packet_len = (packet_len << 7) + add; /* Iplt_i */
1110 if ((add & 0x80) == 0) {
1111 /* New packet */
1112 packet_len = 0;
1113 }
1114 }
1115}
1116
1117static void j2k_read_ppm(opj_j2k_t *j2k) {
1118 int len, Z_ppm, i, j;
1119 int N_ppm;
1120
1121 opj_cp_t *cp = j2k->cp;
1122 opj_cio_t *cio = j2k->cio;
1123
1124 len = cio_read(cio, 2);
1125 cp->ppm = 1;
1126
1127 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1128 len -= 3;
1129 while (len > 0) {
1130 if (cp->ppm_previous == 0) {
1131 N_ppm = cio_read(cio, 4); /* N_ppm */
1132 len -= 4;
1133 } else {
1134 N_ppm = cp->ppm_previous;
1135 }
1136 j = cp->ppm_store;
1137 if (Z_ppm == 0) { /* First PPM marker */
1138 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1139 cp->ppm_data_first = cp->ppm_data;
1140 cp->ppm_len = N_ppm;
1141 } else { /* NON-first PPM marker */
1142 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1143
1144#ifdef USE_JPWL
1145 /* this memory allocation check could be done even in non-JPWL cases */
1146 if (cp->correct) {
1147 if (!cp->ppm_data) {
1148 opj_event_msg(j2k->cinfo, EVT_ERROR,
1149 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1150 cio_tell(cio));
1151 if (!JPWL_ASSUME || JPWL_ASSUME) {
1152 free(cp->ppm_data);
1153 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1154 return;
1155 }
1156 }
1157 }
1158#endif
1159
1160 cp->ppm_data_first = cp->ppm_data;
1161 cp->ppm_len = N_ppm + cp->ppm_store;
1162 }
1163 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1164 cp->ppm_data[j] = cio_read(cio, 1);
1165 j++;
1166 len--;
1167 if (len == 0)
1168 break; /* Case of non-finished packet header in present marker but finished in next one */
1169 }
1170 cp->ppm_previous = i - 1;
1171 cp->ppm_store = j;
1172 }
1173}
1174
1175static void j2k_read_ppt(opj_j2k_t *j2k) {
1176 int len, Z_ppt, i, j = 0;
1177
1178 opj_cp_t *cp = j2k->cp;
1179 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1180 opj_cio_t *cio = j2k->cio;
1181
1182 len = cio_read(cio, 2);
1183 Z_ppt = cio_read(cio, 1);
1184 tcp->ppt = 1;
1185 if (Z_ppt == 0) { /* First PPT marker */
1186 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1187 tcp->ppt_data_first = tcp->ppt_data;
1188 tcp->ppt_store = 0;
1189 tcp->ppt_len = len - 3;
1190 } else { /* NON-first PPT marker */
1191 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1192 tcp->ppt_data_first = tcp->ppt_data;
1193 tcp->ppt_len = len - 3 + tcp->ppt_store;
1194 }
1195 j = tcp->ppt_store;
1196 for (i = len - 3; i > 0; i--) {
1197 tcp->ppt_data[j] = cio_read(cio, 1);
1198 j++;
1199 }
1200 tcp->ppt_store = j;
1201}
1202
1203static void j2k_write_tlm(opj_j2k_t *j2k){
1204 int lenp;
1205 opj_cio_t *cio = j2k->cio;
1206 j2k->tlm_start = cio_tell(cio);
1207 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1208 lenp = 4 + (5*j2k->totnum_tp);
1209 cio_write(cio,lenp,2); /* Ltlm */
1210 cio_write(cio, 0,1); /* Ztlm=0*/
1211 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1212 cio_skip(cio,5*j2k->totnum_tp);
1213}
1214
1215static void j2k_write_sot(opj_j2k_t *j2k) {
1216 int lenp, len;
1217
1218 opj_cio_t *cio = j2k->cio;
1219
1220 j2k->sot_start = cio_tell(cio);
1221 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1222 lenp = cio_tell(cio);
1223 cio_skip(cio, 2); /* Lsot (further) */
1224 cio_write(cio, j2k->curtileno, 2); /* Isot */
1225 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1226 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1227 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1228 len = cio_tell(cio) - lenp;
1229 cio_seek(cio, lenp);
1230 cio_write(cio, len, 2); /* Lsot */
1231 cio_seek(cio, lenp + len);
1232}
1233
1234static void j2k_read_sot(opj_j2k_t *j2k) {
1235 int len, tileno, totlen, partno, numparts, i;
1236 opj_tcp_t *tcp = NULL;
1237 char status = 0;
1238
1239 opj_cp_t *cp = j2k->cp;
1240 opj_cio_t *cio = j2k->cio;
1241
1242 len = cio_read(cio, 2);
1243 tileno = cio_read(cio, 2);
1244
1245#ifdef USE_JPWL
1246 if (j2k->cp->correct) {
1247
1248 static int backup_tileno = 0;
1249
1250 /* tileno is negative or larger than the number of tiles!!! */
1251 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1252 opj_event_msg(j2k->cinfo, EVT_ERROR,
1253 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1254 tileno, (cp->tw * cp->th));
1255 if (!JPWL_ASSUME) {
1256 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1257 return;
1258 }
1259 /* we try to correct */
1260 tileno = backup_tileno;
1261 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1262 "- setting tile number to %d\n",
1263 tileno);
1264 }
1265
1266 /* keep your private count of tiles */
1267 backup_tileno++;
1268 };
1269#endif /* USE_JPWL */
1270
1271
1272 if (cp->tileno_size == 0) {
1273 cp->tileno[cp->tileno_size] = tileno;
1274 cp->tileno_size++;
1275 } else {
1276 i = 0;
1277 while (i < cp->tileno_size && status == 0) {
1278 status = cp->tileno[i] == tileno ? 1 : 0;
1279 i++;
1280 }
1281 if (status == 0) {
1282 cp->tileno[cp->tileno_size] = tileno;
1283 cp->tileno_size++;
1284 }
1285 }
1286
1287 totlen = cio_read(cio, 4);
1288
1289#ifdef USE_JPWL
1290 if (j2k->cp->correct) {
1291
1292 /* totlen is negative or larger than the bytes left!!! */
1293 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1294 opj_event_msg(j2k->cinfo, EVT_ERROR,
1295 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1296 totlen, cio_numbytesleft(cio) + 8);
1297 if (!JPWL_ASSUME) {
1298 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1299 return;
1300 }
1301 /* we try to correct */
1302 totlen = 0;
1303 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1304 "- setting Psot to %d => assuming it is the last tile\n",
1305 totlen);
1306 }
1307
1308 };
1309#endif /* USE_JPWL */
1310
1311 if (!totlen)
1312 totlen = cio_numbytesleft(cio) + 8;
1313
1314 partno = cio_read(cio, 1);
1315 numparts = cio_read(cio, 1);
1316
1317 j2k->curtileno = tileno;
1318 j2k->eot = cio_getbp(cio) - 12 + totlen;
1319 j2k->state = J2K_STATE_TPH;
1320 tcp = &cp->tcps[j2k->curtileno];
1321
1322 if (tcp->first == 1) {
1323
1324 /* Initialization PPT */
1325 opj_tccp_t *tmp = tcp->tccps;
1326 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1327 tcp->ppt = 0;
1328 tcp->ppt_data = NULL;
1329 tcp->ppt_data_first = NULL;
1330 tcp->tccps = tmp;
1331
1332 for (i = 0; i < j2k->image->numcomps; i++) {
1333 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1334 }
1335 cp->tcps[j2k->curtileno].first = 0;
1336 }
1337}
1338
1339static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1340 int l, layno;
1341 int totlen;
1342 opj_tcp_t *tcp = NULL;
1343 opj_image_info_t *image_info = NULL;
1344
1345 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1346 opj_cp_t *cp = j2k->cp;
1347 opj_cio_t *cio = j2k->cio;
1348
1349 tcd->tp_num = j2k->tp_num ;
1350 tcd->cur_tp_num = j2k->cur_tp_num;
1351 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
1352
1353 cio_write(cio, J2K_MS_SOD, 2);
1354 if (j2k->curtileno == 0) {
1355 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1356 }
1357
1358 /* INDEX >> */
1359 image_info = j2k->image_info;
1360 if (image_info && image_info->index_on) {
1361 image_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1362 }
1363 /* << INDEX */
1364
1365 tcp = &cp->tcps[j2k->curtileno];
1366 for (layno = 0; layno < tcp->numlayers; layno++) {
1367 tcp->rates[layno] -= tcp->rates[layno] ? (j2k->sod_start / (cp->th * cp->tw)) : 0;
1368 }
1369 if(image_info) {
1370 image_info->num = 0;
1371 }
1372
1373 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, image_info);
1374
1375 /* Writing Psot in SOT marker */
1376 totlen = cio_tell(cio) + l - j2k->sot_start;
1377 cio_seek(cio, j2k->sot_start + 6);
1378 cio_write(cio, totlen, 4);
1379 cio_seek(cio, j2k->sot_start + totlen);
1380 /* Writing Ttlm and Ptlm in TLM marker */
1381 if(cp->cinema){
1382 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1383 cio_write(cio, j2k->curtileno, 1);
1384 cio_write(cio, totlen, 4);
1385 }
1386 cio_seek(cio, j2k->sot_start + totlen);
1387}
1388
1389static void j2k_read_sod(opj_j2k_t *j2k) {
1390 int len, truncate = 0, i;
1391 unsigned char *data = NULL, *data_ptr = NULL;
1392
1393 opj_cio_t *cio = j2k->cio;
1394 int curtileno = j2k->curtileno;
1395
1396 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1397
1398 if (len == cio_numbytesleft(cio) + 1) {
1399 truncate = 1; /* Case of a truncate codestream */
1400 }
1401
1402 data = (unsigned char *) opj_malloc((j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1403
1404 for (i = 0; i < j2k->tile_len[curtileno]; i++) {
1405 data[i] = j2k->tile_data[curtileno][i];
1406 }
1407
1408 data_ptr = data + j2k->tile_len[curtileno];
1409 for (i = 0; i < len; i++) {
1410 data_ptr[i] = cio_read(cio, 1);
1411 }
1412
1413 j2k->tile_len[curtileno] += len;
1414 opj_free(j2k->tile_data[curtileno]);
1415 j2k->tile_data[curtileno] = data;
1416
1417 if (!truncate) {
1418 j2k->state = J2K_STATE_TPHSOT;
1419 } else {
1420 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1421 }
1422}
1423
1424static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1425
1426 opj_cp_t *cp = j2k->cp;
1427 opj_tcp_t *tcp = &cp->tcps[tileno];
1428 opj_cio_t *cio = j2k->cio;
1429 int numcomps = j2k->image->numcomps;
1430
1431 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1432 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1433 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1434 cio_write(cio, 0, 1); /* Srgn */
1435 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1436}
1437
1438static void j2k_read_rgn(opj_j2k_t *j2k) {
1439 int len, compno, roisty;
1440
1441 opj_cp_t *cp = j2k->cp;
1442 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1443 opj_cio_t *cio = j2k->cio;
1444 int numcomps = j2k->image->numcomps;
1445
1446 len = cio_read(cio, 2); /* Lrgn */
1447 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1448 roisty = cio_read(cio, 1); /* Srgn */
1449
1450#ifdef USE_JPWL
1451 if (j2k->cp->correct) {
1452 /* totlen is negative or larger than the bytes left!!! */
1453 if (compno >= numcomps) {
1454 opj_event_msg(j2k->cinfo, EVT_ERROR,
1455 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1456 compno, numcomps);
1457 if (!JPWL_ASSUME || JPWL_ASSUME) {
1458 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1459 return;
1460 }
1461 }
1462 };
1463#endif /* USE_JPWL */
1464
1465 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1466}
1467
1468static void j2k_write_eoc(opj_j2k_t *j2k) {
1469 opj_cio_t *cio = j2k->cio;
1470 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1471 cio_write(cio, J2K_MS_EOC, 2);
1472}
1473
1474static void j2k_read_eoc(opj_j2k_t *j2k) {
1475 int i, tileno;
1476
1477 /* if packets should be decoded */
1478 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1479 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1480 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1481 for (i = 0; i < j2k->cp->tileno_size; i++) {
1482 tileno = j2k->cp->tileno[i];
1483 tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno);
1484 opj_free(j2k->tile_data[tileno]);
1485 j2k->tile_data[tileno] = NULL;
1486 }
1487 tcd_free_decode(tcd);
1488 tcd_destroy(tcd);
1489 }
1490 /* if packets should not be decoded */
1491 else {
1492 for (i = 0; i < j2k->cp->tileno_size; i++) {
1493 tileno = j2k->cp->tileno[i];
1494 opj_free(j2k->tile_data[tileno]);
1495 j2k->tile_data[tileno] = NULL;
1496 }
1497 }
1498
1499 j2k->state = J2K_STATE_MT;
1500}
1501
1502typedef struct opj_dec_mstabent {
1503 /** marker value */
1504 int id;
1505 /** value of the state when the marker can appear */
1506 int states;
1507 /** action linked to the marker */
1508 void (*handler) (opj_j2k_t *j2k);
1509} opj_dec_mstabent_t;
1510
1511opj_dec_mstabent_t j2k_dec_mstab[] = {
1512 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1513 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1514 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1515 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1516 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1517 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1518 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1519 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1520 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1521 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1522 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1523 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1524 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1525 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1526 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1527 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1528 {J2K_MS_SOP, 0, 0},
1529 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1530 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1531
1532#ifdef USE_JPWL
1533 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1534 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1535 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1536 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1537#endif /* USE_JPWL */
1538
1539 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1540};
1541
1542static void j2k_read_unk(opj_j2k_t *j2k) {
1543 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1544
1545#ifdef USE_JPWL
1546 if (j2k->cp->correct) {
1547 int m = 0, id, i;
1548 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1549 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1550 id = cio_read(j2k->cio, 2);
1551 opj_event_msg(j2k->cinfo, EVT_ERROR,
1552 "JPWL: really don't know this marker %x\n",
1553 id);
1554 if (!JPWL_ASSUME) {
1555 opj_event_msg(j2k->cinfo, EVT_ERROR,
1556 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1557 return;
1558 }
1559 /* OK, activate this at your own risk!!! */
1560 /* we look for the marker at the minimum hamming distance from this */
1561 while (j2k_dec_mstab[m].id) {
1562
1563 /* 1's where they differ */
1564 tmp_id = j2k_dec_mstab[m].id ^ id;
1565
1566 /* compute the hamming distance between our id and the current */
1567 cur_dist = 0;
1568 for (i = 0; i < 16; i++) {
1569 if ((tmp_id >> i) & 0x0001) {
1570 cur_dist++;
1571 }
1572 }
1573
1574 /* if current distance is smaller, set the minimum */
1575 if (cur_dist < min_dist) {
1576 min_dist = cur_dist;
1577 min_id = j2k_dec_mstab[m].id;
1578 }
1579
1580 /* jump to the next marker */
1581 m++;
1582 }
1583
1584 /* do we substitute the marker? */
1585 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1586 opj_event_msg(j2k->cinfo, EVT_ERROR,
1587 "- marker %x is at distance %d from the read %x\n",
1588 min_id, min_dist, id);
1589 opj_event_msg(j2k->cinfo, EVT_ERROR,
1590 "- trying to substitute in place and crossing fingers!\n");
1591 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1592 cio_write(j2k->cio, min_id, 2);
1593
1594 /* rewind */
1595 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1596
1597 }
1598
1599 };
1600#endif /* USE_JPWL */
1601
1602}
1603
1604/**
1605Read the lookup table containing all the marker, status and action
1606@param id Marker value
1607*/
1608static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1609 opj_dec_mstabent_t *e;
1610 for (e = j2k_dec_mstab; e->id != 0; e++) {
1611 if (e->id == id) {
1612 break;
1613 }
1614 }
1615 return e;
1616}
1617
1618/* ----------------------------------------------------------------------- */
1619/* J2K / JPT decoder interface */
1620/* ----------------------------------------------------------------------- */
1621
1622opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1623 opj_j2k_t *j2k = (opj_j2k_t*)opj_malloc(sizeof(opj_j2k_t));
1624 if(j2k) {
1625 j2k->cinfo = cinfo;
1626 j2k->default_tcp = (opj_tcp_t*)opj_malloc(sizeof(opj_tcp_t));
1627 if(!j2k->default_tcp) {
1628 opj_free(j2k);
1629 return NULL;
1630 }
1631 }
1632 return j2k;
1633}
1634
1635void j2k_destroy_decompress(opj_j2k_t *j2k) {
1636 int i = 0;
1637
1638 if(j2k->tile_len != NULL) {
1639 opj_free(j2k->tile_len);
1640 }
1641 if(j2k->tile_data != NULL) {
1642 opj_free(j2k->tile_data);
1643 }
1644 if(j2k->default_tcp != NULL) {
1645 opj_tcp_t *default_tcp = j2k->default_tcp;
1646 if(default_tcp->ppt_data_first != NULL) {
1647 opj_free(default_tcp->ppt_data_first);
1648 }
1649 if(j2k->default_tcp->tccps != NULL) {
1650 opj_free(j2k->default_tcp->tccps);
1651 }
1652 opj_free(j2k->default_tcp);
1653 }
1654 if(j2k->cp != NULL) {
1655 opj_cp_t *cp = j2k->cp;
1656 if(cp->tcps != NULL) {
1657 for(i = 0; i < cp->tw * cp->th; i++) {
1658 if(cp->tcps[i].ppt_data_first != NULL) {
1659 opj_free(cp->tcps[i].ppt_data_first);
1660 }
1661 if(cp->tcps[i].tccps != NULL) {
1662 opj_free(cp->tcps[i].tccps);
1663 }
1664 }
1665 opj_free(cp->tcps);
1666 }
1667 if(cp->ppm_data_first != NULL) {
1668 opj_free(cp->ppm_data_first);
1669 }
1670 if(cp->tileno != NULL) {
1671 opj_free(cp->tileno);
1672 }
1673 if(cp->comment != NULL) {
1674 opj_free(cp->comment);
1675 }
1676
1677 opj_free(cp);
1678 }
1679
1680 opj_free(j2k);
1681}
1682
1683void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1684 if(j2k && parameters) {
1685 /* create and initialize the coding parameters structure */
1686 opj_cp_t *cp = (opj_cp_t*)opj_malloc(sizeof(opj_cp_t));
1687 cp->reduce = parameters->cp_reduce;
1688 cp->layer = parameters->cp_layer;
1689 cp->limit_decoding = parameters->cp_limit_decoding;
1690
1691#ifdef USE_JPWL
1692 cp->correct = parameters->jpwl_correct;
1693 cp->exp_comps = parameters->jpwl_exp_comps;
1694 cp->max_tiles = parameters->jpwl_max_tiles;
1695#endif /* USE_JPWL */
1696
1697
1698 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1699 j2k->cp = cp;
1700 }
1701}
1702
1703opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio) {
1704 opj_image_t *image = NULL;
1705
1706 opj_common_ptr cinfo = j2k->cinfo;
1707
1708 j2k->cio = cio;
1709
1710 /* create an empty image */
1711 image = opj_image_create0();
1712 j2k->image = image;
1713
1714 j2k->state = J2K_STATE_MHSOC;
1715
1716 for (;;) {
1717 opj_dec_mstabent_t *e;
1718 int id = cio_read(cio, 2);
1719
1720
1721#ifdef USE_JPWL
1722 /* we try to honor JPWL correction power */
1723 if (j2k->cp->correct) {
1724
1725 int orig_pos = cio_tell(cio);
1726 bool status;
1727
1728 /* call the corrector */
1729 status = jpwl_correct(j2k);
1730
1731 /* go back to where you were */
1732 cio_seek(cio, orig_pos - 2);
1733
1734 /* re-read the marker */
1735 id = cio_read(cio, 2);
1736
1737 /* check whether it begins with ff */
1738 if (id >> 8 != 0xff) {
1739 opj_event_msg(cinfo, EVT_ERROR,
1740 "JPWL: possible bad marker %x at %d\n",
1741 id, cio_tell(cio) - 2);
1742 if (!JPWL_ASSUME) {
1743 opj_image_destroy(image);
1744 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1745 return 0;
1746 }
1747 /* we try to correct */
1748 id = id | 0xff00;
1749 cio_seek(cio, cio_tell(cio) - 2);
1750 cio_write(cio, id, 2);
1751 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1752 "- setting marker to %x\n",
1753 id);
1754 }
1755
1756 }
1757#endif /* USE_JPWL */
1758
1759 if (id >> 8 != 0xff) {
1760 opj_image_destroy(image);
1761 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1762 return 0;
1763 }
1764 e = j2k_dec_mstab_lookup(id);
1765 // Check if the marker is known
1766 if (!(j2k->state & e->states)) {
1767 opj_image_destroy(image);
1768 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1769 return 0;
1770 }
1771 // Check if the decoding is limited to the main header
1772 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1773 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1774 return image;
1775 }
1776
1777 if (e->handler) {
1778 (*e->handler)(j2k);
1779 }
1780 if (j2k->state == J2K_STATE_MT) {
1781 break;
1782 }
1783 if (j2k->state == J2K_STATE_NEOC) {
1784 break;
1785 }
1786 }
1787 if (j2k->state == J2K_STATE_NEOC) {
1788 j2k_read_eoc(j2k);
1789 }
1790
1791 if (j2k->state != J2K_STATE_MT) {
1792 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1793 }
1794
1795 return image;
1796}
1797
1798/*
1799* Read a JPT-stream and decode file
1800*
1801*/
1802opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio) {
1803 opj_image_t *image = NULL;
1804 opj_jpt_msg_header_t header;
1805 int position;
1806
1807 opj_common_ptr cinfo = j2k->cinfo;
1808
1809 j2k->cio = cio;
1810
1811 /* create an empty image */
1812 image = opj_image_create0();
1813
1814 j2k->state = J2K_STATE_MHSOC;
1815
1816 /* Initialize the header */
1817 jpt_init_msg_header(&header);
1818 /* Read the first header of the message */
1819 jpt_read_msg_header(cinfo, cio, &header);
1820
1821 position = cio_tell(cio);
1822 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1823 opj_image_destroy(image);
1824 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1825 return 0;
1826 }
1827
1828 for (;;) {
1829 opj_dec_mstabent_t *e = NULL;
1830 int id;
1831
1832 if (!cio_numbytesleft(cio)) {
1833 j2k_read_eoc(j2k);
1834 return image;
1835 }
1836 /* data-bin read -> need to read a new header */
1837 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1838 jpt_read_msg_header(cinfo, cio, &header);
1839 position = cio_tell(cio);
1840 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1841 opj_image_destroy(image);
1842 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1843 return 0;
1844 }
1845 }
1846
1847 id = cio_read(cio, 2);
1848 if (id >> 8 != 0xff) {
1849 opj_image_destroy(image);
1850 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1851 return 0;
1852 }
1853 e = j2k_dec_mstab_lookup(id);
1854 if (!(j2k->state & e->states)) {
1855 opj_image_destroy(image);
1856 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1857 return 0;
1858 }
1859 if (e->handler) {
1860 (*e->handler)(j2k);
1861 }
1862 if (j2k->state == J2K_STATE_MT) {
1863 break;
1864 }
1865 if (j2k->state == J2K_STATE_NEOC) {
1866 break;
1867 }
1868 }
1869 if (j2k->state == J2K_STATE_NEOC) {
1870 j2k_read_eoc(j2k);
1871 }
1872
1873 if (j2k->state != J2K_STATE_MT) {
1874 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1875 }
1876
1877 return image;
1878}
1879
1880/* ----------------------------------------------------------------------- */
1881/* J2K encoder interface */
1882/* ----------------------------------------------------------------------- */
1883
1884opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1885 opj_j2k_t *j2k = (opj_j2k_t*)opj_malloc(sizeof(opj_j2k_t));
1886 if(j2k) {
1887 j2k->cinfo = cinfo;
1888 }
1889 return j2k;
1890}
1891
1892void j2k_destroy_compress(opj_j2k_t *j2k) {
1893 int tileno;
1894
1895 if(!j2k) return;
1896
1897 if(j2k->image_info != NULL) {
1898 opj_image_info_t *image_info = j2k->image_info;
1899 if (image_info->index_on && j2k->cp) {
1900 opj_cp_t *cp = j2k->cp;
1901 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1902 opj_tile_info_t *tile_info = &image_info->tile[tileno];
1903 opj_free(tile_info->thresh);
1904 opj_free(tile_info->packet);
1905 }
1906 opj_free(image_info->tile);
1907 }
1908 opj_free(image_info);
1909 }
1910 if(j2k->cp != NULL) {
1911 opj_cp_t *cp = j2k->cp;
1912
1913 if(cp->comment) {
1914 opj_free(cp->comment);
1915 }
1916 if(cp->matrice) {
1917 opj_free(cp->matrice);
1918 }
1919 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1920 opj_free(cp->tcps[tileno].tccps);
1921 }
1922 opj_free(cp->tcps);
1923 opj_free(cp);
1924 }
1925
1926 opj_free(j2k);
1927}
1928
1929void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
1930 int i, j, tileno, numpocs_tile;
1931 opj_cp_t *cp = NULL;
1932
1933 if(!j2k || !parameters || ! image) {
1934 return;
1935 }
1936
1937 /* create and initialize the coding parameters structure */
1938 cp = (opj_cp_t*)opj_malloc(sizeof(opj_cp_t));
1939
1940 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
1941 j2k->cp = cp;
1942
1943 /* set default values for cp */
1944 cp->tw = 1;
1945 cp->th = 1;
1946
1947 /*
1948 copy user encoding parameters
1949 */
1950 cp->cinema = parameters->cp_cinema;
1951 cp->max_comp_size = parameters->max_comp_size;
1952 cp->rsiz = parameters->cp_rsiz;
1953 cp->disto_alloc = parameters->cp_disto_alloc;
1954 cp->fixed_alloc = parameters->cp_fixed_alloc;
1955 cp->fixed_quality = parameters->cp_fixed_quality;
1956
1957 /* mod fixed_quality */
1958 if(parameters->cp_matrice) {
1959 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
1960 cp->matrice = (int *) opj_malloc(array_size);
1961 memcpy(cp->matrice, parameters->cp_matrice, array_size);
1962 }
1963
1964 /* creation of an index file ? */
1965 cp->index_on = parameters->index_on;
1966 if(cp->index_on) {
1967 j2k->image_info = (opj_image_info_t*)opj_malloc(sizeof(opj_image_info_t));
1968 }
1969
1970 /* tiles */
1971 cp->tdx = parameters->cp_tdx;
1972 cp->tdy = parameters->cp_tdy;
1973
1974 /* tile offset */
1975 cp->tx0 = parameters->cp_tx0;
1976 cp->ty0 = parameters->cp_ty0;
1977
1978 /* comment string */
1979 if(parameters->cp_comment) {
1980 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
1981 if(cp->comment) {
1982 strcpy(cp->comment, parameters->cp_comment);
1983 }
1984 }
1985
1986 /*
1987 calculate other encoding parameters
1988 */
1989
1990 if (parameters->tile_size_on) {
1991 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
1992 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
1993 } else {
1994 cp->tdx = image->x1 - cp->tx0;
1995 cp->tdy = image->y1 - cp->ty0;
1996 }
1997
1998 if(parameters->tp_on){
1999 cp->tp_flag = parameters->tp_flag;
2000 cp->tp_on = 1;
2001 }
2002
2003 cp->img_size = 0;
2004 for(i=0;i<image->numcomps ;i++){
2005 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2006 }
2007
2008
2009#ifdef USE_JPWL
2010 /*
2011 calculate JPWL encoding parameters
2012 */
2013
2014 if (parameters->jpwl_epc_on) {
2015 int i;
2016
2017 /* set JPWL on */
2018 cp->epc_on = true;
2019 cp->info_on = false; /* no informative technique */
2020
2021 /* set EPB on */
2022 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2023 cp->epb_on = true;
2024
2025 cp->hprot_MH = parameters->jpwl_hprot_MH;
2026 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2027 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2028 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2029 }
2030 /* if tile specs are not specified, copy MH specs */
2031 if (cp->hprot_TPH[0] == -1) {
2032 cp->hprot_TPH_tileno[0] = 0;
2033 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2034 }
2035 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2036 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2037 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2038 cp->pprot[i] = parameters->jpwl_pprot[i];
2039 }
2040 }
2041
2042 /* set ESD writing */
2043 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2044 cp->esd_on = true;
2045
2046 cp->sens_size = parameters->jpwl_sens_size;
2047 cp->sens_addr = parameters->jpwl_sens_addr;
2048 cp->sens_range = parameters->jpwl_sens_range;
2049
2050 cp->sens_MH = parameters->jpwl_sens_MH;
2051 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2052 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2053 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2054 }
2055 }
2056
2057 /* always set RED writing to false: we are at the encoder */
2058 cp->red_on = false;
2059
2060 } else {
2061 cp->epc_on = false;
2062 }
2063#endif /* USE_JPWL */
2064
2065
2066 /* initialize the mutiple tiles */
2067 /* ---------------------------- */
2068 cp->tcps = (opj_tcp_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tcp_t));
2069
2070 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2071 opj_tcp_t *tcp = &cp->tcps[tileno];
2072 tcp->numlayers = parameters->tcp_numlayers;
2073 for (j = 0; j < tcp->numlayers; j++) {
2074 if(cp->cinema){
2075 if (cp->fixed_quality) {
2076 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2077 }
2078 tcp->rates[j] = parameters->tcp_rates[j];
2079 }else{
2080 if (cp->fixed_quality) { /* add fixed_quality */
2081 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2082 } else {
2083 tcp->rates[j] = parameters->tcp_rates[j];
2084 }
2085 }
2086 }
2087 tcp->csty = parameters->csty;
2088 tcp->prg = parameters->prog_order;
2089 tcp->mct = parameters->tcp_mct;
2090
2091 numpocs_tile = 0;
2092 tcp->POC = 0;
2093 if (parameters->numpocs) {
2094 /* initialisation of POC */
2095 tcp->POC = 1;
2096 j2k_check_poc_val(parameters, image->numcomps, tcp->numlayers);
2097 for (i = 0; i < parameters->numpocs; i++) {
2098 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2099 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2100 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2101 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2102 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2103 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2104 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2105 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2106 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2107 numpocs_tile++;
2108 }
2109 }
2110 tcp->numpocs = numpocs_tile -1 ;
2111 }else{
2112 tcp->numpocs = 0;
2113 }
2114
2115 tcp->tccps = (opj_tccp_t *) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
2116
2117 for (i = 0; i < image->numcomps; i++) {
2118 opj_tccp_t *tccp = &tcp->tccps[i];
2119 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2120 tccp->numresolutions = parameters->numresolution;
2121 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2122 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2123 tccp->cblksty = parameters->mode;
2124 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2125 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2126 tccp->numgbits = 2;
2127 if (i == parameters->roi_compno) {
2128 tccp->roishift = parameters->roi_shift;
2129 } else {
2130 tccp->roishift = 0;
2131 }
2132
2133 if(parameters->cp_cinema)
2134 {
2135 //Precinct size for lowest frequency subband=128
2136 tccp->prcw[0] = 7;
2137 tccp->prch[0] = 7;
2138 //Precinct size at all other resolutions = 256
2139 for (j = 1; j < tccp->numresolutions; j++) {
2140 tccp->prcw[j] = 8;
2141 tccp->prch[j] = 8;
2142 }
2143 }else{
2144 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2145 int p = 0;
2146 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2147 if (p < parameters->res_spec) {
2148
2149 if (parameters->prcw_init[p] < 1) {
2150 tccp->prcw[j] = 1;
2151 } else {
2152 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2153 }
2154
2155 if (parameters->prch_init[p] < 1) {
2156 tccp->prch[j] = 1;
2157 }else {
2158 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2159 }
2160
2161 } else {
2162 int res_spec = parameters->res_spec;
2163 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2164 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2165
2166 if (size_prcw < 1) {
2167 tccp->prcw[j] = 1;
2168 } else {
2169 tccp->prcw[j] = int_floorlog2(size_prcw);
2170 }
2171
2172 if (size_prch < 1) {
2173 tccp->prch[j] = 1;
2174 } else {
2175 tccp->prch[j] = int_floorlog2(size_prch);
2176 }
2177 }
2178 p++;
2179 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2180 } //end for
2181 } else {
2182 for (j = 0; j < tccp->numresolutions; j++) {
2183 tccp->prcw[j] = 15;
2184 tccp->prch[j] = 15;
2185 }
2186 }
2187 }
2188
2189 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2190 }
2191 }
2192}
2193
2194/**
2195Create an index file
2196@param j2k
2197@param cio
2198@param image_info
2199@param index Index filename
2200@return Returns 1 if successful, returns 0 otherwise
2201*/
2202static int j2k_create_index(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_info_t *image_info, char *index) {
2203 int tileno, compno, layno, resno, precno, pack_nb, x, y;
2204 FILE *stream = NULL;
2205 double total_disto = 0;
2206
2207 image_info->codestream_size = cio_tell(cio) + j2k->pos_correction; /* Correction 14/4/03 suite rmq de Patrick */
2208
2209
2210#ifdef USE_JPWL
2211 /* if JPWL is enabled and the name coincides with our own set
2212 then discard the creation of the file: this was just done to
2213 enable indexing, we do not want an index file
2214 */
2215 if (j2k->cp->epc_on && !strcmp(index, JPWL_PRIVATEINDEX_NAME))
2216 return 1;
2217#endif /* USE_JPWL */
2218
2219
2220 stream = fopen(index, "w");
2221 if (!stream) {
2222 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to open %s for writing\n", index);
2223 return 0;
2224 }
2225
2226 fprintf(stream, "%d %d\n", image_info->image_w, image_info->image_h);
2227 fprintf(stream, "%d\n", image_info->prog);
2228 fprintf(stream, "%d %d\n", image_info->tile_x, image_info->tile_y);
2229 fprintf(stream, "%d %d\n", image_info->tw, image_info->th);
2230 fprintf(stream, "%d\n", image_info->comp);
2231 fprintf(stream, "%d\n", image_info->layer);
2232 fprintf(stream, "%d\n", image_info->decomposition);
2233
2234 for (resno = image_info->decomposition; resno >= 0; resno--) {
2235 fprintf(stream, "[%d,%d] ",
2236 (1 << image_info->tile[0].pdx[resno]), (1 << image_info->tile[0].pdx[resno])); /* based on tile 0 */
2237 }
2238 fprintf(stream, "\n");
2239 fprintf(stream, "%d\n", image_info->main_head_end);
2240 fprintf(stream, "%d\n", image_info->codestream_size);
2241
2242 for (tileno = 0; tileno < image_info->tw * image_info->th; tileno++) {
2243 fprintf(stream, "%4d %9d %9d %9d %9e %9d %9e\n",
2244 image_info->tile[tileno].num_tile,
2245 image_info->tile[tileno].start_pos,
2246 image_info->tile[tileno].end_header,
2247 image_info->tile[tileno].end_pos,
2248 image_info->tile[tileno].distotile, image_info->tile[tileno].nbpix,
2249 image_info->tile[tileno].distotile / image_info->tile[tileno].nbpix);
2250 }
2251
2252 for (tileno = 0; tileno < image_info->tw * image_info->th; tileno++) {
2253 int start_pos, end_pos;
2254 double disto = 0;
2255 pack_nb = 0;
2256
2257 /*
2258 fprintf(stream, "pkno tileno layerno resno compno precno start_pos end_pos deltaSE \n");
2259 */
2260
2261 if (image_info->prog == LRCP) { /* LRCP */
2262 /*
2263 fprintf(stream, "pack_nb tileno layno resno compno precno start_pos end_pos disto");
2264 */
2265 for (layno = 0; layno < image_info->layer; layno++) {
2266 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2267 for (compno = 0; compno < image_info->comp; compno++) {
2268 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2269 for (precno = 0; precno < prec_max; precno++) {
2270 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2271 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2272 disto = image_info->tile[tileno].packet[pack_nb].disto;
2273 fprintf(stream, "%4d %6d %7d %5d %6d %6d %9d %9d %8e\n",
2274 pack_nb, tileno, layno, resno, compno, precno, start_pos, end_pos, disto);
2275 total_disto += disto;
2276 pack_nb++;
2277 }
2278 }
2279 }
2280 }
2281 } /* LRCP */
2282 else if (image_info->prog == RLCP) { /* RLCP */
2283 /*
2284 fprintf(stream, "pack_nb tileno resno layno compno precno start_pos end_pos disto");
2285 */
2286 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2287 for (layno = 0; layno < image_info->layer; layno++) {
2288 for (compno = 0; compno < image_info->comp; compno++) {
2289 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2290 for (precno = 0; precno < prec_max; precno++) {
2291 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2292 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2293 disto = image_info->tile[tileno].packet[pack_nb].disto;
2294 fprintf(stream, "%4d %6d %5d %7d %6d %6d %9d %9d %8e\n",
2295 pack_nb, tileno, resno, layno, compno, precno, start_pos, end_pos, disto);
2296 total_disto += disto;
2297 pack_nb++;
2298 }
2299 }
2300 }
2301 }
2302 } /* RLCP */
2303 else if (image_info->prog == RPCL) { /* RPCL */
2304 /*
2305 fprintf(stream, "\npack_nb tileno resno precno compno layno start_pos end_pos disto\n");
2306 */
2307 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2308 /* I suppose components have same XRsiz, YRsiz */
2309 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2310 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2311 int x1 = x0 + image_info->tile_x;
2312 int y1 = y0 + image_info->tile_y;
2313 for(y = y0; y < y1; y++) {
2314 for(x = x0; x < x1; x++) {
2315 for (compno = 0; compno < image_info->comp; compno++) {
2316 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2317 for (precno = 0; precno < prec_max; precno++) {
2318 int pcnx = image_info->tile[tileno].pw[resno];
2319 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2320 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2321 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2322 int precno_y = (int) floor( (float)precno/(float)pcnx );
2323 if (precno_y*pcy == y ) {
2324 if (precno_x*pcx == x ) {
2325 for (layno = 0; layno < image_info->layer; layno++) {
2326 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2327 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2328 disto = image_info->tile[tileno].packet[pack_nb].disto;
2329 fprintf(stream, "%4d %6d %5d %6d %6d %7d %9d %9d %8e\n",
2330 pack_nb, tileno, resno, precno, compno, layno, start_pos, end_pos, disto);
2331 total_disto += disto;
2332 pack_nb++;
2333 }
2334 }
2335 }
2336 } /* precno */
2337 } /* compno */
2338 } /* x = x0..x1 */
2339 } /* y = y0..y1 */
2340 } /* resno */
2341 } /* RPCL */
2342 else if (image_info->prog == PCRL) { /* PCRL */
2343 /* I suppose components have same XRsiz, YRsiz */
2344 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2345 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2346 int x1 = x0 + image_info->tile_x;
2347 int y1 = y0 + image_info->tile_y;
2348 /*
2349 fprintf(stream, "\npack_nb tileno precno compno resno layno start_pos end_pos disto\n");
2350 */
2351 for(y = y0; y < y1; y++) {
2352 for(x = x0; x < x1; x++) {
2353 for (compno = 0; compno < image_info->comp; compno++) {
2354 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2355 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2356 for (precno = 0; precno < prec_max; precno++) {
2357 int pcnx = image_info->tile[tileno].pw[resno];
2358 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2359 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2360 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2361 int precno_y = (int) floor( (float)precno/(float)pcnx );
2362 if (precno_y*pcy == y ) {
2363 if (precno_x*pcx == x ) {
2364 for (layno = 0; layno < image_info->layer; layno++) {
2365 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2366 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2367 disto = image_info->tile[tileno].packet[pack_nb].disto;
2368 fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %8e\n",
2369 pack_nb, tileno, precno, compno, resno, layno, start_pos, end_pos, disto);
2370 total_disto += disto;
2371 pack_nb++;
2372 }
2373 }
2374 }
2375 } /* precno */
2376 } /* resno */
2377 } /* compno */
2378 } /* x = x0..x1 */
2379 } /* y = y0..y1 */
2380 } /* PCRL */
2381 else { /* CPRL */
2382 /*
2383 fprintf(stream, "\npack_nb tileno compno precno resno layno start_pos end_pos disto\n");
2384 */
2385 for (compno = 0; compno < image_info->comp; compno++) {
2386 /* I suppose components have same XRsiz, YRsiz */
2387 int x0 = image_info->tile_Ox + tileno - (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tw * image_info->tile_x;
2388 int y0 = image_info->tile_Ox + (int)floor( (float)tileno/(float)image_info->tw ) * image_info->tile_y;
2389 int x1 = x0 + image_info->tile_x;
2390 int y1 = y0 + image_info->tile_y;
2391 for(y = y0; y < y1; y++) {
2392 for(x = x0; x < x1; x++) {
2393 for (resno = 0; resno < image_info->decomposition + 1; resno++) {
2394 int prec_max = image_info->tile[tileno].pw[resno] * image_info->tile[tileno].ph[resno];
2395 for (precno = 0; precno < prec_max; precno++) {
2396 int pcnx = image_info->tile[tileno].pw[resno];
2397 int pcx = (int) pow( 2, image_info->tile[tileno].pdx[resno] + image_info->decomposition - resno );
2398 int pcy = (int) pow( 2, image_info->tile[tileno].pdy[resno] + image_info->decomposition - resno );
2399 int precno_x = precno - (int) floor( (float)precno/(float)pcnx ) * pcnx;
2400 int precno_y = (int) floor( (float)precno/(float)pcnx );
2401 if (precno_y*pcy == y ) {
2402 if (precno_x*pcx == x ) {
2403 for (layno = 0; layno < image_info->layer; layno++) {
2404 start_pos = image_info->tile[tileno].packet[pack_nb].start_pos;
2405 end_pos = image_info->tile[tileno].packet[pack_nb].end_pos;
2406 disto = image_info->tile[tileno].packet[pack_nb].disto;
2407 fprintf(stream, "%4d %6d %6d %6d %5d %7d %9d %9d %8e\n",
2408 pack_nb, tileno, compno, precno, resno, layno, start_pos, end_pos, disto);
2409 total_disto += disto;
2410 pack_nb++;
2411 }
2412 }
2413 }
2414 } /* precno */
2415 } /* resno */
2416 } /* x = x0..x1 */
2417 } /* y = y0..y1 */
2418 } /* comno */
2419 } /* CPRL */
2420 } /* tileno */
2421
2422 fprintf(stream, "%8e\n", image_info->D_max); /* SE max */
2423 fprintf(stream, "%.8e\n", total_disto); /* SE totale */
2424 fclose(stream);
2425
2426 return 1;
2427}
2428
2429bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, char *index) {
2430 int tileno, compno;
2431 opj_image_info_t *image_info = NULL;
2432 opj_cp_t *cp = NULL;
2433
2434 opj_tcd_t *tcd = NULL; /* TCD component */
2435
2436 j2k->cio = cio;
2437 j2k->image = image;
2438
2439 cp = j2k->cp;
2440
2441 /* j2k_dump_cp(stdout, image, cp); */
2442
2443 /* INDEX >> */
2444 image_info = j2k->image_info;
2445 if (image_info && cp->index_on) {
2446 image_info->index_on = cp->index_on;
2447 image_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2448 image_info->image_w = image->x1 - image->x0;
2449 image_info->image_h = image->y1 - image->y0;
2450 image_info->prog = (&cp->tcps[0])->prg;
2451 image_info->tw = cp->tw;
2452 image_info->th = cp->th;
2453 image_info->tile_x = cp->tdx; /* new version parser */
2454 image_info->tile_y = cp->tdy; /* new version parser */
2455 image_info->tile_Ox = cp->tx0; /* new version parser */
2456 image_info->tile_Oy = cp->ty0; /* new version parser */
2457 image_info->comp = image->numcomps;
2458 image_info->layer = (&cp->tcps[0])->numlayers;
2459 image_info->decomposition = (&cp->tcps[0])->tccps->numresolutions - 1;
2460 image_info->D_max = 0; /* ADD Marcela */
2461 }
2462 /* << INDEX */
2463
2464 j2k_write_soc(j2k);
2465 j2k_write_siz(j2k);
2466 j2k_write_cod(j2k);
2467 j2k_write_qcd(j2k);
2468
2469 if(cp->cinema){
2470 for (compno = 1; compno < image->numcomps; compno++) {
2471 j2k_write_coc(j2k, compno);
2472 j2k_write_qcc(j2k, compno);
2473 }
2474 }
2475
2476 for (compno = 0; compno < image->numcomps; compno++) {
2477 opj_tcp_t *tcp = &cp->tcps[0];
2478 if (tcp->tccps[compno].roishift)
2479 j2k_write_rgn(j2k, compno, 0);
2480 }
2481 if (cp->comment != NULL) {
2482 j2k_write_com(j2k);
2483 }
2484 /* INDEX >> */
2485 if(image_info && image_info->index_on) {
2486 image_info->main_head_end = cio_tell(cio) - 1;
2487 }
2488 /* << INDEX */
2489
2490 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2491 /* TLM Marker*/
2492 if(cp->cinema){
2493 j2k_write_tlm(j2k);
2494 if (cp->cinema == CINEMA4K_24) {
2495 j2k_write_poc(j2k);
2496 }
2497 }
2498 /**** Main Header ENDS here ***/
2499
2500 /* create the tile encoder */
2501 tcd = tcd_create(j2k->cinfo);
2502
2503 /* encode each tile */
2504
2505 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2506 int pino;
2507 int tilepartno=0;
2508
2509 opj_tcp_t *tcp = &cp->tcps[tileno];
2510 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2511
2512 j2k->curtileno = tileno;
2513 j2k->cur_tp_num = 0;
2514
2515 /* initialisation before tile encoding */
2516 if (tileno == 0) {
2517 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2518 } else {
2519 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2520 }
2521
2522 /* INDEX >> */
2523 if(image_info && image_info->index_on) {
2524 image_info->tile[j2k->curtileno].num_tile = j2k->curtileno;
2525 image_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2526 }
2527 /* << INDEX */
2528
2529 for(pino = 0; pino <= tcp->numpocs; pino++) {
2530 int tot_num_tp;
2531 tcd->cur_pino=pino;
2532
2533 /*Get number of tile parts*/
2534 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2535 tcd->tp_pos = cp->tp_pos;
2536
2537 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2538 j2k->tp_num = tilepartno;
2539 j2k_write_sot(j2k);
2540
2541 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2542 for (compno = 1; compno < image->numcomps; compno++) {
2543 j2k_write_coc(j2k, compno);
2544 j2k_write_qcc(j2k, compno);
2545 }
2546 if (cp->tcps[tileno].numpocs) {
2547 j2k_write_poc(j2k);
2548 }
2549 }
2550
2551 j2k_write_sod(j2k, tcd);
2552 j2k->cur_tp_num ++;
2553 }
2554
2555 }
2556 /* INDEX >> */
2557 if(image_info && image_info->index_on) {
2558 image_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2559 }
2560 /* << INDEX */
2561
2562
2563 /*
2564 if (tile->PPT) { // BAD PPT !!!
2565 FILE *PPT_file;
2566 int i;
2567 PPT_file=fopen("PPT","rb");
2568 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2569 for (i=0;i<tile->len_ppt;i++) {
2570 unsigned char elmt;
2571 fread(&elmt, 1, 1, PPT_file);
2572 fwrite(&elmt,1,1,f);
2573 }
2574 fclose(PPT_file);
2575 unlink("PPT");
2576 }
2577 */
2578
2579 }
2580
2581 /* destroy the tile encoder */
2582 tcd_free_encode(tcd);
2583 tcd_destroy(tcd);
2584
2585 j2k_write_eoc(j2k);
2586
2587 /* Creation of the index file */
2588 if(image_info && image_info->index_on) {
2589 if(!j2k_create_index(j2k, cio, image_info, index)) {
2590 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to create index file %s\n", index);
2591 return false;
2592 }
2593 }
2594
2595
2596#ifdef USE_JPWL
2597 /*
2598 preparation of JPWL marker segments: can be finalized only when the whole
2599 codestream is known
2600 */
2601 if(image_info && image_info->index_on && cp->epc_on) {
2602
2603 /* let's begin creating a marker list, according to user wishes */
2604 jpwl_prepare_marks(j2k, cio, image);
2605
2606 /* now we dump the JPWL markers on the codestream */
2607 jpwl_dump_marks(j2k, cio, image);
2608
2609 /* do not know exactly what is this for,
2610 but it gets called during index creation */
2611 j2k->pos_correction = 0;
2612
2613 /* Re-creation of the index file, with updated info */
2614 if(image_info && image_info->index_on) {
2615 if(!j2k_create_index(j2k, cio, image_info, index)) {
2616 opj_event_msg(j2k->cinfo, EVT_ERROR, "failed to re-create index file %s\n", index);
2617 return false;
2618 }
2619 }
2620
2621 /* now we finalize the marker contents */
2622 /*jpwl_finalize_marks(j2k, cio, image);*/
2623
2624 }
2625#endif /* USE_JPWL */
2626
2627
2628 return true;
2629}
2630
generated by cgit v1.1 at 2024-11-07 14:23:40 +0000