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.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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.
34 #include "opj_includes.h"
36 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
39 /** @name Local static functions */
43 Write the SOC marker (Start Of Codestream)
46 static void j2k_write_soc(opj_j2k_t *j2k);
48 Read the SOC marker (Start of Codestream)
51 static void j2k_read_soc(opj_j2k_t *j2k);
53 Write the SIZ marker (image and tile size)
56 static void j2k_write_siz(opj_j2k_t *j2k);
58 Read the SIZ marker (image and tile size)
61 static void j2k_read_siz(opj_j2k_t *j2k);
63 Write the COM marker (comment)
66 static void j2k_write_com(opj_j2k_t *j2k);
68 Read the COM marker (comment)
71 static void j2k_read_com(opj_j2k_t *j2k);
73 Write the value concerning the specified component in the marker COD and COC
75 @param compno Number of the component concerned by the information written
77 static void j2k_write_cox(opj_j2k_t *j2k, int compno);
79 Read the value concerning the specified component in the marker COD and COC
81 @param compno Number of the component concerned by the information read
83 static void j2k_read_cox(opj_j2k_t *j2k, int compno);
85 Write the COD marker (coding style default)
88 static void j2k_write_cod(opj_j2k_t *j2k);
90 Read the COD marker (coding style default)
93 static void j2k_read_cod(opj_j2k_t *j2k);
95 Write the COC marker (coding style component)
97 @param compno Number of the component concerned by the information written
99 static void j2k_write_coc(opj_j2k_t *j2k, int compno);
101 Read the COC marker (coding style component)
102 @param j2k J2K handle
104 static void j2k_read_coc(opj_j2k_t *j2k);
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
110 static void j2k_write_qcx(opj_j2k_t *j2k, int compno);
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
117 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len);
119 Write the QCD marker (quantization default)
120 @param j2k J2K handle
122 static void j2k_write_qcd(opj_j2k_t *j2k);
124 Read the QCD marker (quantization default)
125 @param j2k J2K handle
127 static void j2k_read_qcd(opj_j2k_t *j2k);
129 Write the QCC marker (quantization component)
130 @param j2k J2K handle
131 @param compno Number of the component concerned by the information written
133 static void j2k_write_qcc(opj_j2k_t *j2k, int compno);
135 Read the QCC marker (quantization component)
136 @param j2k J2K handle
138 static void j2k_read_qcc(opj_j2k_t *j2k);
140 Write the POC marker (progression order change)
141 @param j2k J2K handle
143 static void j2k_write_poc(opj_j2k_t *j2k);
145 Read the POC marker (progression order change)
146 @param j2k J2K handle
148 static void j2k_read_poc(opj_j2k_t *j2k);
150 Read the CRG marker (component registration)
151 @param j2k J2K handle
153 static void j2k_read_crg(opj_j2k_t *j2k);
155 Read the TLM marker (tile-part lengths)
156 @param j2k J2K handle
158 static void j2k_read_tlm(opj_j2k_t *j2k);
160 Read the PLM marker (packet length, main header)
161 @param j2k J2K handle
163 static void j2k_read_plm(opj_j2k_t *j2k);
165 Read the PLT marker (packet length, tile-part header)
166 @param j2k J2K handle
168 static void j2k_read_plt(opj_j2k_t *j2k);
170 Read the PPM marker (packet packet headers, main header)
171 @param j2k J2K handle
173 static void j2k_read_ppm(opj_j2k_t *j2k);
175 Read the PPT marker (packet packet headers, tile-part header)
176 @param j2k J2K handle
178 static void j2k_read_ppt(opj_j2k_t *j2k);
180 Write the TLM marker (Mainheader)
181 @param j2k J2K handle
183 static void j2k_write_tlm(opj_j2k_t *j2k);
185 Write the SOT marker (start of tile-part)
186 @param j2k J2K handle
188 static void j2k_write_sot(opj_j2k_t *j2k);
190 Read the SOT marker (start of tile-part)
191 @param j2k J2K handle
193 static void j2k_read_sot(opj_j2k_t *j2k);
195 Write the SOD marker (start of data)
196 @param j2k J2K handle
197 @param tile_coder Pointer to a TCD handle
199 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder);
201 Read the SOD marker (start of data)
202 @param j2k J2K handle
204 static void j2k_read_sod(opj_j2k_t *j2k);
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
211 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno);
213 Read the RGN marker (region-of-interest)
214 @param j2k J2K handle
216 static void j2k_read_rgn(opj_j2k_t *j2k);
218 Write the EOC marker (end of codestream)
219 @param j2k J2K handle
221 static void j2k_write_eoc(opj_j2k_t *j2k);
223 Read the EOC marker (end of codestream)
224 @param j2k J2K handle
226 static void j2k_read_eoc(opj_j2k_t *j2k);
228 Read an unknown marker
229 @param j2k J2K handle
231 static void j2k_read_unk(opj_j2k_t *j2k);
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
239 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
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
248 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len);
254 /* ----------------------------------------------------------------------- */
255 typedef struct j2k_prog_order{
256 OPJ_PROG_ORDER enum_prog;
260 j2k_prog_order_t j2k_prog_order_list[] = {
266 {(OPJ_PROG_ORDER)-1, ""}
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){
279 /* ----------------------------------------------------------------------- */
280 static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){
284 opj_tcp_t *tcp = &cp->tcps[tileno];
285 prog = j2k_convert_progression_order(tcp->prg);
290 if( cp->tp_flag == prog[i] ){
291 tpend=1;cp->tp_pos=i;
295 tpnum= tpnum * tcp->pocs[pino].compE;
298 tpnum= tpnum * tcp->pocs[pino].resE;
301 tpnum= tpnum * tcp->pocs[pino].prcE;
304 tpnum= tpnum * tcp->pocs[pino].layE;
315 /** mem allocation for TLM marker*/
316 static 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;
319 OPJ_ARG_NOT_USED(img_numcomp);
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++) {
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);
334 j2k->cur_totnum_tp[tileno] = cur_totnum_tp;
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));
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);
350 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0);
355 /* update markers struct */
356 j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2);
357 #endif /* USE_JPWL */
361 static void j2k_read_soc(opj_j2k_t *j2k) {
362 j2k->state = J2K_STATE_MHSIZ;
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;
370 static void j2k_write_siz(opj_j2k_t *j2k) {
374 opj_cio_t *cio = j2k->cio;
375 opj_image_t *image = j2k->image;
376 opj_cp_t *cp = j2k->cp;
378 cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */
379 lenp = cio_tell(cio);
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 */
396 len = cio_tell(cio) - lenp;
398 cio_write(cio, len, 2); /* Lsiz */
399 cio_seek(cio, lenp + len);
402 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, lenp, len);
405 static void j2k_read_siz(opj_j2k_t *j2k) {
408 opj_cio_t *cio = j2k->cio;
409 opj_image_t *image = j2k->image;
410 opj_cp_t *cp = j2k->cp;
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 */
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);
430 image->numcomps = cio_read(cio, 2); /* Csiz */
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");
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));
450 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
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",
460 image->numcomps = ((len - 38) / 3);
461 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
466 /* update components number in the jpwl_exp_comps filed */
467 cp->exp_comps = image->numcomps;
469 #endif /* USE_JPWL */
471 /* prevent division by zero */
472 if (!(cp->tdx * cp->tdy)) {
473 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: invalid tile size (tdx: %d, tdy: %d)\n", cp->tdx, cp->tdy);
477 image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
478 for (i = 0; i < image->numcomps; i++) {
480 tmp = cio_read(cio, 1); /* Ssiz_i */
481 image->comps[i].prec = (tmp & 0x7f) + 1;
482 image->comps[i].sgnd = tmp >> 7;
483 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
484 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
487 if (j2k->cp->correct) {
488 /* if JPWL is on, we check whether TX errors have damaged
489 too much the SIZ parameters, again */
490 if (!(image->comps[i].dx * image->comps[i].dy)) {
491 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
492 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
493 i, i, image->comps[i].dx, image->comps[i].dy);
495 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
498 /* we try to correct */
499 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
500 if (!image->comps[i].dx) {
501 image->comps[i].dx = 1;
502 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
503 i, image->comps[i].dx);
505 if (!image->comps[i].dy) {
506 image->comps[i].dy = 1;
507 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
508 i, image->comps[i].dy);
513 #endif /* USE_JPWL */
515 /* prevent division by zero */
516 if (!(image->comps[i].dx * image->comps[i].dy)) {
517 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: invalid component size (dx: %d, dy: %d)\n", image->comps[i].dx, image->comps[i].dy);
522 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
523 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
525 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
526 image->comps[i].factor = cp->reduce; /* reducing factor per component */
529 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
530 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
533 if (j2k->cp->correct) {
534 /* if JPWL is on, we check whether TX errors have damaged
535 too much the SIZ parameters */
536 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
537 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
538 "JPWL: bad number of tiles (%d x %d)\n",
541 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
544 /* we try to correct */
545 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
548 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
551 if (cp->tw > cp->max_tiles) {
553 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
554 "- setting %d tiles in x => HYPOTHESIS!!!\n",
555 cp->max_tiles, cp->tw);
559 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
562 if (cp->th > cp->max_tiles) {
564 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
565 "- setting %d tiles in y => HYPOTHESIS!!!\n",
566 cp->max_tiles, cp->th);
570 #endif /* USE_JPWL */
572 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
573 if (cp->tcps == NULL)
575 opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
578 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
579 if (cp->tileno == NULL)
581 opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
587 if (j2k->cp->correct) {
589 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
590 "JPWL: could not alloc tcps field of cp\n");
591 if (!JPWL_ASSUME || JPWL_ASSUME) {
592 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
597 #endif /* USE_JPWL */
599 for (i = 0; i < cp->tw * cp->th; i++) {
601 cp->tcps[i].numpocs = 0;
602 cp->tcps[i].first = 1;
605 /* Initialization for PPM marker */
608 cp->ppm_data_first = NULL;
609 cp->ppm_previous = 0;
612 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
613 for (i = 0; i < cp->tw * cp->th; i++) {
614 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
616 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
617 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
618 j2k->state = J2K_STATE_MH;
621 if (j2k->cstr_info) {
622 opj_codestream_info_t *cstr_info = j2k->cstr_info;
623 cstr_info->image_w = image->x1 - image->x0;
624 cstr_info->image_h = image->y1 - image->y0;
625 cstr_info->numcomps = image->numcomps;
626 cstr_info->tw = cp->tw;
627 cstr_info->th = cp->th;
628 cstr_info->tile_x = cp->tdx;
629 cstr_info->tile_y = cp->tdy;
630 cstr_info->tile_Ox = cp->tx0;
631 cstr_info->tile_Oy = cp->ty0;
632 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
636 static void j2k_write_com(opj_j2k_t *j2k) {
640 if(j2k->cp->comment) {
641 opj_cio_t *cio = j2k->cio;
642 char *comment = j2k->cp->comment;
644 cio_write(cio, J2K_MS_COM, 2);
645 lenp = cio_tell(cio);
647 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
648 for (i = 0; i < strlen(comment); i++) {
649 cio_write(cio, comment[i], 1);
651 len = cio_tell(cio) - lenp;
653 cio_write(cio, len, 2);
654 cio_seek(cio, lenp + len);
658 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
663 static void j2k_read_com(opj_j2k_t *j2k) {
666 opj_cio_t *cio = j2k->cio;
668 len = cio_read(cio, 2);
669 cio_skip(cio, len - 2);
672 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
675 opj_cp_t *cp = j2k->cp;
676 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
677 opj_tccp_t *tccp = &tcp->tccps[compno];
678 opj_cio_t *cio = j2k->cio;
680 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
681 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
682 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
683 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
684 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
686 if (tccp->csty & J2K_CCP_CSTY_PRT) {
687 for (i = 0; i < tccp->numresolutions; i++) {
688 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
693 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
696 opj_cp_t *cp = j2k->cp;
697 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
698 opj_tccp_t *tccp = &tcp->tccps[compno];
699 opj_cio_t *cio = j2k->cio;
701 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
703 /* If user wants to remove more resolutions than the codestream contains, return error*/
704 if (cp->reduce >= tccp->numresolutions) {
705 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
706 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
707 j2k->state |= J2K_STATE_ERR;
709 if( tccp->numresolutions > J2K_MAXRLVLS ) {
710 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",
711 compno, tccp->numresolutions, J2K_MAXRLVLS);
712 j2k->state |= J2K_STATE_ERR;
713 tccp->numresolutions = J2K_MAXRLVLS;
716 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
717 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
718 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
719 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
720 if (tccp->csty & J2K_CP_CSTY_PRT) {
721 for (i = 0; i < tccp->numresolutions; i++) {
722 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
723 tccp->prcw[i] = tmp & 0xf;
724 tccp->prch[i] = tmp >> 4;
729 if(j2k->cstr_info && compno == 0) {
730 for (i = 0; i < tccp->numresolutions; i++) {
731 if (tccp->csty & J2K_CP_CSTY_PRT) {
732 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
733 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
736 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
737 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
744 static void j2k_write_cod(opj_j2k_t *j2k) {
746 opj_tcp_t *tcp = NULL;
749 opj_cio_t *cio = j2k->cio;
751 cio_write(cio, J2K_MS_COD, 2); /* COD */
753 lenp = cio_tell(cio);
757 tcp = &cp->tcps[j2k->curtileno];
759 cio_write(cio, tcp->csty, 1); /* Scod */
760 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
761 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
762 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
764 j2k_write_cox(j2k, 0);
765 len = cio_tell(cio) - lenp;
767 cio_write(cio, len, 2); /* Lcod */
768 cio_seek(cio, lenp + len);
771 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
775 static void j2k_read_cod(opj_j2k_t *j2k) {
778 opj_cio_t *cio = j2k->cio;
779 opj_cp_t *cp = j2k->cp;
780 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
781 opj_image_t *image = j2k->image;
783 len = cio_read(cio, 2); /* Lcod */
784 tcp->csty = cio_read(cio, 1); /* Scod */
785 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
786 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
787 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
790 for (i = 0; i < image->numcomps; i++) {
791 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
793 j2k_read_cox(j2k, i);
797 if (j2k->cstr_info) {
798 opj_codestream_info_t *cstr_info = j2k->cstr_info;
799 cstr_info->prog = tcp->prg;
800 cstr_info->numlayers = tcp->numlayers;
801 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
802 for (i = 0; i < image->numcomps; i++) {
803 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
808 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
811 opj_cp_t *cp = j2k->cp;
812 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
813 opj_image_t *image = j2k->image;
814 opj_cio_t *cio = j2k->cio;
816 cio_write(cio, J2K_MS_COC, 2); /* COC */
817 lenp = cio_tell(cio);
819 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
820 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
821 j2k_write_cox(j2k, compno);
822 len = cio_tell(cio) - lenp;
824 cio_write(cio, len, 2); /* Lcoc */
825 cio_seek(cio, lenp + len);
828 static void j2k_read_coc(opj_j2k_t *j2k) {
831 opj_cp_t *cp = j2k->cp;
832 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
833 opj_image_t *image = j2k->image;
834 opj_cio_t *cio = j2k->cio;
836 len = cio_read(cio, 2); /* Lcoc */
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);
844 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
845 j2k_read_cox(j2k, compno);
848 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
849 int bandno, numbands;
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;
857 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
858 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
860 for (bandno = 0; bandno < numbands; bandno++) {
861 expn = tccp->stepsizes[bandno].expn;
862 mant = tccp->stepsizes[bandno].mant;
864 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
865 cio_write(cio, expn << 3, 1); /* SPqcx_i */
867 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
872 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
874 int bandno, numbands;
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;
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);
888 if (j2k->cp->correct) {
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",
896 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
899 /* we try to correct */
901 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
902 "- setting number of bands to %d => HYPOTHESIS!!!\n",
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);
916 #endif /* USE_JPWL */
918 for (bandno = 0; bandno < numbands; bandno++) {
920 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
921 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
924 tmp = cio_read(cio, 2); /* SPqcx_i */
928 if (bandno < J2K_MAXBANDS){
929 tccp->stepsizes[bandno].expn = expn;
930 tccp->stepsizes[bandno].mant = mant;
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;
946 static void j2k_write_qcd(opj_j2k_t *j2k) {
949 opj_cio_t *cio = j2k->cio;
951 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
952 lenp = cio_tell(cio);
954 j2k_write_qcx(j2k, 0);
955 len = cio_tell(cio) - lenp;
957 cio_write(cio, len, 2); /* Lqcd */
958 cio_seek(cio, lenp + len);
961 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
964 static void j2k_read_qcd(opj_j2k_t *j2k) {
967 opj_cio_t *cio = j2k->cio;
968 opj_image_t *image = j2k->image;
970 len = cio_read(cio, 2); /* Lqcd */
972 for (i = 0; i < image->numcomps; i++) {
974 j2k_read_qcx(j2k, i, len - 2);
978 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
981 opj_cio_t *cio = j2k->cio;
983 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
984 lenp = cio_tell(cio);
986 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
987 j2k_write_qcx(j2k, compno);
988 len = cio_tell(cio) - lenp;
990 cio_write(cio, len, 2); /* Lqcc */
991 cio_seek(cio, lenp + len);
994 static void j2k_read_qcc(opj_j2k_t *j2k) {
996 int numcomp = j2k->image->numcomps;
997 opj_cio_t *cio = j2k->cio;
999 len = cio_read(cio, 2); /* Lqcc */
1000 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
1003 if (j2k->cp->correct) {
1005 static int backup_compno = 0;
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",
1013 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
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",
1023 /* keep your private count of tiles */
1026 #endif /* USE_JPWL */
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);
1035 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
1038 static void j2k_write_poc(opj_j2k_t *j2k) {
1039 int len, numpchgs, i;
1041 int numcomps = j2k->image->numcomps;
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;
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 */
1066 static void j2k_read_poc(opj_j2k_t *j2k) {
1067 int len, numpchgs, i, old_poc;
1069 int numcomps = j2k->image->numcomps;
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;
1075 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1077 len = cio_read(cio, 2); /* Lpoc */
1078 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1080 for (i = old_poc; i < numpchgs + old_poc; i++) {
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 */
1092 tcp->numpocs = numpchgs + old_poc - 1;
1095 static void j2k_read_crg(opj_j2k_t *j2k) {
1096 int len, i, Xcrg_i, Ycrg_i;
1098 opj_cio_t *cio = j2k->cio;
1099 int numcomps = j2k->image->numcomps;
1101 len = cio_read(cio, 2); /* Lcrg */
1102 for (i = 0; i < numcomps; i++) {
1103 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1104 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1108 static void j2k_read_tlm(opj_j2k_t *j2k) {
1109 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1110 long int Ttlm_i, Ptlm_i;
1112 opj_cio_t *cio = j2k->cio;
1114 len = cio_read(cio, 2); /* Ltlm */
1115 Ztlm = cio_read(cio, 1); /* Ztlm */
1116 Stlm = cio_read(cio, 1); /* Stlm */
1117 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1118 SP = (Stlm >> 6) & 0x01;
1119 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1120 for (i = 0; i < tile_tlm; i++) {
1121 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1122 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1126 static void j2k_read_plm(opj_j2k_t *j2k) {
1127 int len, i, Zplm, Nplm, add, packet_len = 0;
1129 opj_cio_t *cio = j2k->cio;
1131 len = cio_read(cio, 2); /* Lplm */
1132 Zplm = cio_read(cio, 1); /* Zplm */
1135 Nplm = cio_read(cio, 4); /* Nplm */
1137 for (i = Nplm; i > 0; i--) {
1138 add = cio_read(cio, 1);
1140 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1141 if ((add & 0x80) == 0) {
1151 static void j2k_read_plt(opj_j2k_t *j2k) {
1152 int len, i, Zplt, packet_len = 0, add;
1154 opj_cio_t *cio = j2k->cio;
1156 len = cio_read(cio, 2); /* Lplt */
1157 Zplt = cio_read(cio, 1); /* Zplt */
1158 for (i = len - 3; i > 0; i--) {
1159 add = cio_read(cio, 1);
1160 packet_len = (packet_len << 7) + add; /* Iplt_i */
1161 if ((add & 0x80) == 0) {
1168 static void j2k_read_ppm(opj_j2k_t *j2k) {
1169 int len, Z_ppm, i, j;
1172 opj_cp_t *cp = j2k->cp;
1173 opj_cio_t *cio = j2k->cio;
1175 len = cio_read(cio, 2);
1178 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1181 if (cp->ppm_previous == 0) {
1182 N_ppm = cio_read(cio, 4); /* N_ppm */
1185 N_ppm = cp->ppm_previous;
1188 if (Z_ppm == 0) { /* First PPM marker */
1189 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1190 cp->ppm_data_first = cp->ppm_data;
1191 cp->ppm_len = N_ppm;
1192 } else { /* NON-first PPM marker */
1193 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1196 /* this memory allocation check could be done even in non-JPWL cases */
1198 if (!cp->ppm_data) {
1199 opj_event_msg(j2k->cinfo, EVT_ERROR,
1200 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1202 if (!JPWL_ASSUME || JPWL_ASSUME) {
1203 opj_free(cp->ppm_data);
1204 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1211 cp->ppm_data_first = cp->ppm_data;
1212 cp->ppm_len = N_ppm + cp->ppm_store;
1214 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1215 cp->ppm_data[j] = cio_read(cio, 1);
1219 break; /* Case of non-finished packet header in present marker but finished in next one */
1221 cp->ppm_previous = i - 1;
1226 static void j2k_read_ppt(opj_j2k_t *j2k) {
1227 int len, Z_ppt, i, j = 0;
1229 opj_cp_t *cp = j2k->cp;
1230 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1231 opj_cio_t *cio = j2k->cio;
1233 len = cio_read(cio, 2);
1234 Z_ppt = cio_read(cio, 1);
1236 if (Z_ppt == 0) { /* First PPT marker */
1237 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1238 tcp->ppt_data_first = tcp->ppt_data;
1240 tcp->ppt_len = len - 3;
1241 } else { /* NON-first PPT marker */
1242 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1243 tcp->ppt_data_first = tcp->ppt_data;
1244 tcp->ppt_len = len - 3 + tcp->ppt_store;
1247 for (i = len - 3; i > 0; i--) {
1248 tcp->ppt_data[j] = cio_read(cio, 1);
1254 static void j2k_write_tlm(opj_j2k_t *j2k){
1256 opj_cio_t *cio = j2k->cio;
1257 j2k->tlm_start = cio_tell(cio);
1258 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1259 lenp = 4 + (5*j2k->totnum_tp);
1260 cio_write(cio,lenp,2); /* Ltlm */
1261 cio_write(cio, 0,1); /* Ztlm=0*/
1262 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1263 cio_skip(cio,5*j2k->totnum_tp);
1266 static void j2k_write_sot(opj_j2k_t *j2k) {
1269 opj_cio_t *cio = j2k->cio;
1271 j2k->sot_start = cio_tell(cio);
1272 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1273 lenp = cio_tell(cio);
1274 cio_skip(cio, 2); /* Lsot (further) */
1275 cio_write(cio, j2k->curtileno, 2); /* Isot */
1276 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1277 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1278 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1279 len = cio_tell(cio) - lenp;
1280 cio_seek(cio, lenp);
1281 cio_write(cio, len, 2); /* Lsot */
1282 cio_seek(cio, lenp + len);
1286 /* update markers struct */
1287 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1288 #endif /* USE_JPWL */
1291 if( j2k->cstr_info && j2k->cur_tp_num==0){
1292 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1296 static void j2k_read_sot(opj_j2k_t *j2k) {
1297 int len, tileno, totlen, partno, numparts, i;
1298 opj_tcp_t *tcp = NULL;
1301 opj_cp_t *cp = j2k->cp;
1302 opj_cio_t *cio = j2k->cio;
1304 len = cio_read(cio, 2);
1305 tileno = cio_read(cio, 2);
1308 if (j2k->cp->correct) {
1310 static int backup_tileno = 0;
1312 /* tileno is negative or larger than the number of tiles!!! */
1313 if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
1314 opj_event_msg(j2k->cinfo, EVT_ERROR,
1315 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1316 tileno, (cp->tw * cp->th));
1318 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1321 /* we try to correct */
1322 tileno = backup_tileno;
1323 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1324 "- setting tile number to %d\n",
1328 /* keep your private count of tiles */
1332 #endif /* USE_JPWL */
1334 /* tileno is negative or larger than the number of tiles!!! */
1335 if ((tileno < 0) || (tileno >= (cp->tw * cp->th))) {
1336 opj_event_msg(j2k->cinfo, EVT_ERROR,
1337 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1338 tileno, (cp->tw * cp->th));
1343 if (cp->tileno_size == 0) {
1344 cp->tileno[cp->tileno_size] = tileno;
1348 while (i < cp->tileno_size && status == 0) {
1349 status = cp->tileno[i] == tileno ? 1 : 0;
1353 cp->tileno[cp->tileno_size] = tileno;
1358 totlen = cio_read(cio, 4);
1361 if (j2k->cp->correct) {
1363 /* totlen is negative or larger than the bytes left!!! */
1364 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1365 opj_event_msg(j2k->cinfo, EVT_ERROR,
1366 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1367 totlen, cio_numbytesleft(cio) + 8);
1369 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1372 /* we try to correct */
1374 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1375 "- setting Psot to %d => assuming it is the last tile\n",
1381 #endif /* USE_JPWL */
1383 /* totlen is negative or larger than the bytes left!!! */
1384 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1385 opj_event_msg(j2k->cinfo, EVT_ERROR,
1386 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1387 totlen, cio_numbytesleft(cio) + 8);
1393 totlen = cio_numbytesleft(cio) + 8;
1395 partno = cio_read(cio, 1);
1396 numparts = cio_read(cio, 1);
1398 if (partno >= numparts) {
1399 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);
1400 numparts = partno+1;
1403 j2k->curtileno = tileno;
1404 j2k->cur_tp_num = partno;
1405 j2k->eot = cio_getbp(cio) - 12 + totlen;
1406 j2k->state = J2K_STATE_TPH;
1407 tcp = &cp->tcps[j2k->curtileno];
1410 if (j2k->cstr_info) {
1413 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1414 j2k->cstr_info->tile[tileno].tileno = tileno;
1415 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1416 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1418 j2k->cstr_info->tile[tileno].end_pos += totlen;
1420 j2k->cstr_info->tile[tileno].num_tps = numparts;
1422 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1424 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)*/
1425 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1426 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1427 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1430 if (tcp->first == 1) {
1431 /* Initialization PPT */
1432 opj_tccp_t *tmp = tcp->tccps;
1433 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1435 tcp->ppt_data = NULL;
1436 tcp->ppt_data_first = NULL;
1439 for (i = 0; i < j2k->image->numcomps; i++) {
1440 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1442 cp->tcps[j2k->curtileno].first = 0;
1446 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1449 opj_tcp_t *tcp = NULL;
1450 opj_codestream_info_t *cstr_info = NULL;
1452 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1453 opj_cp_t *cp = j2k->cp;
1454 opj_cio_t *cio = j2k->cio;
1456 tcd->tp_num = j2k->tp_num ;
1457 tcd->cur_tp_num = j2k->cur_tp_num;
1459 cio_write(cio, J2K_MS_SOD, 2);
1461 if( j2k->cstr_info && j2k->cur_tp_num==0){
1462 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1465 if (j2k->curtileno == 0) {
1466 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1470 cstr_info = j2k->cstr_info;
1472 if (!j2k->cur_tp_num ) {
1473 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1474 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1477 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1478 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1482 /* update markers struct */
1483 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1484 #endif /* USE_JPWL */
1489 tcp = &cp->tcps[j2k->curtileno];
1490 for (layno = 0; layno < tcp->numlayers; layno++) {
1491 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1492 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1493 } else if (tcp->rates[layno]) {
1494 tcp->rates[layno]=1;
1497 if(j2k->cur_tp_num == 0){
1498 tcd->tcd_image->tiles->packno = 0;
1500 cstr_info->packno = 0;
1503 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1505 /* Writing Psot in SOT marker */
1506 totlen = cio_tell(cio) + l - j2k->sot_start;
1507 cio_seek(cio, j2k->sot_start + 6);
1508 cio_write(cio, totlen, 4);
1509 cio_seek(cio, j2k->sot_start + totlen);
1510 /* Writing Ttlm and Ptlm in TLM marker */
1512 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1513 cio_write(cio, j2k->curtileno, 1);
1514 cio_write(cio, totlen, 4);
1516 cio_seek(cio, j2k->sot_start + totlen);
1519 static void j2k_read_sod(opj_j2k_t *j2k) {
1520 int len, truncate = 0, i;
1521 unsigned char *data = NULL, *data_ptr = NULL;
1523 opj_cio_t *cio = j2k->cio;
1524 int curtileno = j2k->curtileno;
1527 if (j2k->cstr_info) {
1528 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1529 cio_tell(cio) + j2k->pos_correction - 1;
1530 if (j2k->cur_tp_num == 0)
1531 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1532 j2k->cstr_info->packno = 0;
1535 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1537 if (len == cio_numbytesleft(cio) + 1) {
1538 truncate = 1; /* Case of a truncate codestream */
1541 data = j2k->tile_data[curtileno];
1542 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1544 data_ptr = data + j2k->tile_len[curtileno];
1545 for (i = 0; i < len; i++) {
1546 data_ptr[i] = cio_read(cio, 1);
1549 j2k->tile_len[curtileno] += len;
1550 j2k->tile_data[curtileno] = data;
1553 j2k->state = J2K_STATE_TPHSOT;
1555 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1560 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1561 opj_cp_t *cp = j2k->cp;
1562 opj_tcp_t *tcp = &cp->tcps[tileno];
1563 opj_cio_t *cio = j2k->cio;
1564 int numcomps = j2k->image->numcomps;
1566 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1567 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1568 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1569 cio_write(cio, 0, 1); /* Srgn */
1570 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1573 static void j2k_read_rgn(opj_j2k_t *j2k) {
1574 int len, compno, roisty;
1576 opj_cp_t *cp = j2k->cp;
1577 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1578 opj_cio_t *cio = j2k->cio;
1579 int numcomps = j2k->image->numcomps;
1581 len = cio_read(cio, 2); /* Lrgn */
1582 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1583 roisty = cio_read(cio, 1); /* Srgn */
1586 if (j2k->cp->correct) {
1587 /* totlen is negative or larger than the bytes left!!! */
1588 if (compno >= numcomps) {
1589 opj_event_msg(j2k->cinfo, EVT_ERROR,
1590 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1592 if (!JPWL_ASSUME || JPWL_ASSUME) {
1593 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1598 #endif /* USE_JPWL */
1600 if (compno >= numcomps) {
1601 opj_event_msg(j2k->cinfo, EVT_ERROR,
1602 "bad component number in RGN (%d out of a maximum of %d)\n",
1603 compno, j2k->image->numcomps);
1607 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1610 static void j2k_write_eoc(opj_j2k_t *j2k) {
1611 opj_cio_t *cio = j2k->cio;
1612 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1613 cio_write(cio, J2K_MS_EOC, 2);
1617 /* update markers struct */
1618 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1619 #endif /* USE_JPWL */
1623 static void j2k_read_eoc(opj_j2k_t *j2k) {
1625 opj_bool success = OPJ_FALSE;
1627 /* if packets should be decoded */
1628 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1629 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1630 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1631 for (i = 0; i < j2k->cp->tileno_size; i++) {
1632 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1633 if (j2k->cp->tileno[i] != -1)
1635 tileno = j2k->cp->tileno[i];
1636 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1637 opj_free(j2k->tile_data[tileno]);
1638 j2k->tile_data[tileno] = NULL;
1639 tcd_free_decode_tile(tcd, i);
1642 success = OPJ_FALSE;
1643 if (success == OPJ_FALSE) {
1644 j2k->state |= J2K_STATE_ERR;
1648 tcd_free_decode(tcd);
1651 /* if packets should not be decoded */
1653 for (i = 0; i < j2k->cp->tileno_size; i++) {
1654 tileno = j2k->cp->tileno[i];
1655 opj_free(j2k->tile_data[tileno]);
1656 j2k->tile_data[tileno] = NULL;
1659 if (j2k->state & J2K_STATE_ERR)
1660 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1662 j2k->state = J2K_STATE_MT;
1665 typedef struct opj_dec_mstabent {
1668 /** value of the state when the marker can appear */
1670 /** action linked to the marker */
1671 void (*handler) (opj_j2k_t *j2k);
1672 } opj_dec_mstabent_t;
1674 opj_dec_mstabent_t j2k_dec_mstab[] = {
1675 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1676 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1677 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1678 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1679 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1680 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1681 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1682 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1683 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1684 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1685 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1686 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1687 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1688 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1689 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1690 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1692 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1693 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1696 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1697 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1698 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1699 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1700 #endif /* USE_JPWL */
1702 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1703 {J2K_MS_INSEC, 0, j2k_read_insec},
1704 #endif /* USE_JPSEC */
1706 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1709 static void j2k_read_unk(opj_j2k_t *j2k) {
1710 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1713 if (j2k->cp->correct) {
1715 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1716 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1717 id = cio_read(j2k->cio, 2);
1718 opj_event_msg(j2k->cinfo, EVT_ERROR,
1719 "JPWL: really don't know this marker %x\n",
1722 opj_event_msg(j2k->cinfo, EVT_ERROR,
1723 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1726 /* OK, activate this at your own risk!!! */
1727 /* we look for the marker at the minimum hamming distance from this */
1728 while (j2k_dec_mstab[m].id) {
1730 /* 1's where they differ */
1731 tmp_id = j2k_dec_mstab[m].id ^ id;
1733 /* compute the hamming distance between our id and the current */
1735 for (i = 0; i < 16; i++) {
1736 if ((tmp_id >> i) & 0x0001) {
1741 /* if current distance is smaller, set the minimum */
1742 if (cur_dist < min_dist) {
1743 min_dist = cur_dist;
1744 min_id = j2k_dec_mstab[m].id;
1747 /* jump to the next marker */
1751 /* do we substitute the marker? */
1752 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1753 opj_event_msg(j2k->cinfo, EVT_ERROR,
1754 "- marker %x is at distance %d from the read %x\n",
1755 min_id, min_dist, id);
1756 opj_event_msg(j2k->cinfo, EVT_ERROR,
1757 "- trying to substitute in place and crossing fingers!\n");
1758 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1759 cio_write(j2k->cio, min_id, 2);
1762 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1767 #endif /* USE_JPWL */
1772 Read the lookup table containing all the marker, status and action
1773 @param id Marker value
1775 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1776 opj_dec_mstabent_t *e;
1777 for (e = j2k_dec_mstab; e->id != 0; e++) {
1785 /* ----------------------------------------------------------------------- */
1786 /* J2K / JPT decoder interface */
1787 /* ----------------------------------------------------------------------- */
1789 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1790 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1794 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1795 if(!j2k->default_tcp) {
1801 j2k->tile_data = NULL;
1806 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1809 if(j2k->tile_len != NULL) {
1810 opj_free(j2k->tile_len);
1812 if(j2k->tile_data != NULL) {
1813 if(j2k->cp != NULL) {
1814 for (i = 0; i < j2k->cp->tileno_size; i++) {
1815 int tileno = j2k->cp->tileno[i];
1816 opj_free(j2k->tile_data[tileno]);
1817 j2k->tile_data[tileno] = NULL;
1821 opj_free(j2k->tile_data);
1823 if(j2k->default_tcp != NULL) {
1824 opj_tcp_t *default_tcp = j2k->default_tcp;
1825 if(default_tcp->ppt_data_first != NULL) {
1826 opj_free(default_tcp->ppt_data_first);
1828 if(j2k->default_tcp->tccps != NULL) {
1829 opj_free(j2k->default_tcp->tccps);
1831 opj_free(j2k->default_tcp);
1833 if(j2k->cp != NULL) {
1834 opj_cp_t *cp = j2k->cp;
1835 if(cp->tcps != NULL) {
1836 for(i = 0; i < cp->tw * cp->th; i++) {
1837 if(cp->tcps[i].ppt_data_first != NULL) {
1838 opj_free(cp->tcps[i].ppt_data_first);
1840 if(cp->tcps[i].tccps != NULL) {
1841 opj_free(cp->tcps[i].tccps);
1846 if(cp->ppm_data_first != NULL) {
1847 opj_free(cp->ppm_data_first);
1849 if(cp->tileno != NULL) {
1850 opj_free(cp->tileno);
1852 if(cp->comment != NULL) {
1853 opj_free(cp->comment);
1861 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1862 if(j2k && parameters) {
1863 /* create and initialize the coding parameters structure */
1864 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1865 cp->reduce = parameters->cp_reduce;
1866 cp->layer = parameters->cp_layer;
1867 cp->limit_decoding = parameters->cp_limit_decoding;
1870 cp->correct = parameters->jpwl_correct;
1871 cp->exp_comps = parameters->jpwl_exp_comps;
1872 cp->max_tiles = parameters->jpwl_max_tiles;
1873 #endif /* USE_JPWL */
1876 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1881 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1882 opj_image_t *image = NULL;
1884 opj_common_ptr cinfo = j2k->cinfo;
1887 j2k->cstr_info = cstr_info;
1889 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1891 /* create an empty image */
1892 image = opj_image_create0();
1895 j2k->state = J2K_STATE_MHSOC;
1898 opj_dec_mstabent_t *e;
1899 int id = cio_read(cio, 2);
1902 /* we try to honor JPWL correction power */
1903 if (j2k->cp->correct) {
1905 int orig_pos = cio_tell(cio);
1908 /* call the corrector */
1909 status = jpwl_correct(j2k);
1911 /* go back to where you were */
1912 cio_seek(cio, orig_pos - 2);
1914 /* re-read the marker */
1915 id = cio_read(cio, 2);
1917 /* check whether it begins with ff */
1918 if (id >> 8 != 0xff) {
1919 opj_event_msg(cinfo, EVT_ERROR,
1920 "JPWL: possible bad marker %x at %d\n",
1921 id, cio_tell(cio) - 2);
1923 opj_image_destroy(image);
1924 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1927 /* we try to correct */
1929 cio_seek(cio, cio_tell(cio) - 2);
1930 cio_write(cio, id, 2);
1931 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1932 "- setting marker to %x\n",
1937 #endif /* USE_JPWL */
1939 if (id >> 8 != 0xff) {
1940 if(cio_numbytesleft(cio) != 0) /* not end of file reached and no EOC */
1942 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1943 opj_image_destroy(image);
1946 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1947 j2k->state = J2K_STATE_NEOC;
1950 e = j2k_dec_mstab_lookup(id);
1951 /* Check if the marker is known*/
1952 if (!(j2k->state & e->states)) {
1953 opj_image_destroy(image);
1954 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1957 /* Check if the decoding is limited to the main header*/
1958 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1959 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1966 if (j2k->state & J2K_STATE_ERR)
1968 opj_image_destroy(image);
1972 if (j2k->state == J2K_STATE_MT) {
1975 if (j2k->state == J2K_STATE_NEOC) {
1979 if (j2k->state == J2K_STATE_NEOC) {
1983 if (j2k->state != J2K_STATE_MT) {
1984 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1990 * Read a JPT-stream and decode file
1993 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1994 opj_image_t *image = NULL;
1995 opj_jpt_msg_header_t header;
1997 opj_common_ptr cinfo = j2k->cinfo;
1999 OPJ_ARG_NOT_USED(cstr_info);
2003 /* create an empty image */
2004 image = opj_image_create0();
2007 j2k->state = J2K_STATE_MHSOC;
2009 /* Initialize the header */
2010 jpt_init_msg_header(&header);
2011 /* Read the first header of the message */
2012 jpt_read_msg_header(cinfo, cio, &header);
2014 position = cio_tell(cio);
2015 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
2016 opj_image_destroy(image);
2017 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
2022 opj_dec_mstabent_t *e = NULL;
2025 if (!cio_numbytesleft(cio)) {
2029 /* data-bin read -> need to read a new header */
2030 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
2031 jpt_read_msg_header(cinfo, cio, &header);
2032 position = cio_tell(cio);
2033 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
2034 opj_image_destroy(image);
2035 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
2040 id = cio_read(cio, 2);
2041 if (id >> 8 != 0xff) {
2042 if(cio_numbytesleft(cio) != 0) /* no end of file reached and no EOC */
2044 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2045 opj_image_destroy(image);
2048 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2049 j2k->state = J2K_STATE_NEOC;
2052 e = j2k_dec_mstab_lookup(id);
2053 if (!(j2k->state & e->states)) {
2054 opj_image_destroy(image);
2055 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
2061 if (j2k->state == J2K_STATE_MT) {
2064 if (j2k->state == J2K_STATE_NEOC) {
2068 if (j2k->state == J2K_STATE_NEOC) {
2072 if (j2k->state != J2K_STATE_MT) {
2073 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
2079 /* ----------------------------------------------------------------------- */
2080 /* J2K encoder interface */
2081 /* ----------------------------------------------------------------------- */
2083 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
2084 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
2091 void j2k_destroy_compress(opj_j2k_t *j2k) {
2095 if(j2k->cp != NULL) {
2096 opj_cp_t *cp = j2k->cp;
2099 opj_free(cp->comment);
2102 opj_free(cp->matrice);
2104 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2105 opj_free(cp->tcps[tileno].tccps);
2114 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2115 int i, j, tileno, numpocs_tile;
2116 opj_cp_t *cp = NULL;
2118 if(!j2k || !parameters || ! image) {
2122 /* create and initialize the coding parameters structure */
2123 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2125 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2128 /* set default values for cp */
2133 copy user encoding parameters
2135 cp->cinema = parameters->cp_cinema;
2136 cp->max_comp_size = parameters->max_comp_size;
2137 cp->rsiz = parameters->cp_rsiz;
2138 cp->disto_alloc = parameters->cp_disto_alloc;
2139 cp->fixed_alloc = parameters->cp_fixed_alloc;
2140 cp->fixed_quality = parameters->cp_fixed_quality;
2142 /* mod fixed_quality */
2143 if(parameters->cp_matrice) {
2144 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2145 cp->matrice = (int *) opj_malloc(array_size);
2146 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2150 cp->tdx = parameters->cp_tdx;
2151 cp->tdy = parameters->cp_tdy;
2154 cp->tx0 = parameters->cp_tx0;
2155 cp->ty0 = parameters->cp_ty0;
2157 /* comment string */
2158 if(parameters->cp_comment) {
2159 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2161 strcpy(cp->comment, parameters->cp_comment);
2166 calculate other encoding parameters
2169 if (parameters->tile_size_on) {
2170 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2171 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2173 cp->tdx = image->x1 - cp->tx0;
2174 cp->tdy = image->y1 - cp->ty0;
2177 if(parameters->tp_on){
2178 cp->tp_flag = parameters->tp_flag;
2183 for(i=0;i<image->numcomps ;i++){
2184 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2190 calculate JPWL encoding parameters
2193 if (parameters->jpwl_epc_on) {
2197 cp->epc_on = OPJ_TRUE;
2198 cp->info_on = OPJ_FALSE; /* no informative technique */
2201 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2202 cp->epb_on = OPJ_TRUE;
2204 cp->hprot_MH = parameters->jpwl_hprot_MH;
2205 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2206 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2207 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2209 /* if tile specs are not specified, copy MH specs */
2210 if (cp->hprot_TPH[0] == -1) {
2211 cp->hprot_TPH_tileno[0] = 0;
2212 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2214 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2215 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2216 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2217 cp->pprot[i] = parameters->jpwl_pprot[i];
2221 /* set ESD writing */
2222 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2223 cp->esd_on = OPJ_TRUE;
2225 cp->sens_size = parameters->jpwl_sens_size;
2226 cp->sens_addr = parameters->jpwl_sens_addr;
2227 cp->sens_range = parameters->jpwl_sens_range;
2229 cp->sens_MH = parameters->jpwl_sens_MH;
2230 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2231 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2232 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2236 /* always set RED writing to false: we are at the encoder */
2237 cp->red_on = OPJ_FALSE;
2240 cp->epc_on = OPJ_FALSE;
2242 #endif /* USE_JPWL */
2245 /* initialize the mutiple tiles */
2246 /* ---------------------------- */
2247 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2249 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2250 opj_tcp_t *tcp = &cp->tcps[tileno];
2251 tcp->numlayers = parameters->tcp_numlayers;
2252 for (j = 0; j < tcp->numlayers; j++) {
2254 if (cp->fixed_quality) {
2255 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2257 tcp->rates[j] = parameters->tcp_rates[j];
2259 if (cp->fixed_quality) { /* add fixed_quality */
2260 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2262 tcp->rates[j] = parameters->tcp_rates[j];
2266 tcp->csty = parameters->csty;
2267 tcp->prg = parameters->prog_order;
2268 tcp->mct = parameters->tcp_mct;
2272 if (parameters->numpocs) {
2273 /* initialisation of POC */
2275 for (i = 0; i < parameters->numpocs; i++) {
2276 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2277 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2278 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2279 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2280 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2281 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2282 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2283 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2284 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2288 tcp->numpocs = numpocs_tile -1 ;
2293 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2295 for (i = 0; i < image->numcomps; i++) {
2296 opj_tccp_t *tccp = &tcp->tccps[i];
2297 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2298 tccp->numresolutions = parameters->numresolution;
2299 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2300 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2301 tccp->cblksty = parameters->mode;
2302 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2303 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2305 if (i == parameters->roi_compno) {
2306 tccp->roishift = parameters->roi_shift;
2311 if(parameters->cp_cinema)
2313 /*Precinct size for lowest frequency subband=128*/
2316 /*Precinct size at all other resolutions = 256*/
2317 for (j = 1; j < tccp->numresolutions; j++) {
2322 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2324 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2325 if (p < parameters->res_spec) {
2327 if (parameters->prcw_init[p] < 1) {
2330 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2333 if (parameters->prch_init[p] < 1) {
2336 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2340 int res_spec = parameters->res_spec;
2341 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2342 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2344 if (size_prcw < 1) {
2347 tccp->prcw[j] = int_floorlog2(size_prcw);
2350 if (size_prch < 1) {
2353 tccp->prch[j] = int_floorlog2(size_prch);
2357 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2360 for (j = 0; j < tccp->numresolutions; j++) {
2367 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2372 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2374 opj_cp_t *cp = NULL;
2376 opj_tcd_t *tcd = NULL; /* TCD component */
2384 j2k->cstr_info = cstr_info;
2387 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2388 cstr_info->image_w = image->x1 - image->x0;
2389 cstr_info->image_h = image->y1 - image->y0;
2390 cstr_info->prog = (&cp->tcps[0])->prg;
2391 cstr_info->tw = cp->tw;
2392 cstr_info->th = cp->th;
2393 cstr_info->tile_x = cp->tdx; /* new version parser */
2394 cstr_info->tile_y = cp->tdy; /* new version parser */
2395 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2396 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2397 cstr_info->numcomps = image->numcomps;
2398 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2399 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2400 for (compno=0; compno < image->numcomps; compno++) {
2401 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2403 cstr_info->D_max = 0.0; /* ADD Marcela */
2404 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2405 cstr_info->maxmarknum = 100;
2406 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2407 cstr_info->marknum = 0;
2417 for (compno = 1; compno < image->numcomps; compno++) {
2418 j2k_write_coc(j2k, compno);
2419 j2k_write_qcc(j2k, compno);
2423 for (compno = 0; compno < image->numcomps; compno++) {
2424 opj_tcp_t *tcp = &cp->tcps[0];
2425 if (tcp->tccps[compno].roishift)
2426 j2k_write_rgn(j2k, compno, 0);
2428 if (cp->comment != NULL) {
2432 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2436 if (cp->cinema == CINEMA4K_24) {
2441 /* uncomment only for testing JPSEC marker writing */
2442 /* j2k_write_sec(j2k); */
2446 cstr_info->main_head_end = cio_tell(cio) - 1;
2449 /**** Main Header ENDS here ***/
2451 /* create the tile encoder */
2452 tcd = tcd_create(j2k->cinfo);
2454 /* encode each tile */
2455 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2459 int acc_pack_num = 0;
2463 opj_tcp_t *tcp = &cp->tcps[tileno];
2464 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2466 j2k->curtileno = tileno;
2467 j2k->cur_tp_num = 0;
2468 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2469 /* initialisation before tile encoding */
2471 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2473 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2478 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2479 cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2480 cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2481 cstr_info->tile[j2k->curtileno].marknum = 0;
2485 for(pino = 0; pino <= tcp->numpocs; pino++) {
2489 /*Get number of tile parts*/
2490 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2491 tcd->tp_pos = cp->tp_pos;
2493 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2494 j2k->tp_num = tilepartno;
2497 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2498 cio_tell(cio) + j2k->pos_correction;
2502 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2503 for (compno = 1; compno < image->numcomps; compno++) {
2504 j2k_write_coc(j2k, compno);
2505 j2k_write_qcc(j2k, compno);
2507 if (cp->tcps[tileno].numpocs) {
2514 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2515 cio_tell(cio) + j2k->pos_correction + 1;
2518 j2k_write_sod(j2k, tcd);
2522 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2523 cio_tell(cio) + j2k->pos_correction - 1;
2524 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2526 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2527 cstr_info->packno - acc_pack_num;
2528 acc_pack_num = cstr_info->packno;
2536 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2541 if (tile->PPT) { // BAD PPT !!!
2544 PPT_file=fopen("PPT","rb");
2545 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2546 for (i=0;i<tile->len_ppt;i++) {
2548 fread(&elmt, 1, 1, PPT_file);
2549 fwrite(&elmt,1,1,f);
2558 /* destroy the tile encoder */
2559 tcd_free_encode(tcd);
2562 opj_free(j2k->cur_totnum_tp);
2567 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2569 /* The following adjustment is done to adjust the codestream size */
2570 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2571 /* the first bunch of bytes is not in the codestream */
2572 cstr_info->codestream_size -= cstr_info->main_head_start;
2578 preparation of JPWL marker segments
2582 /* encode according to JPWL */
2583 jpwl_encode(j2k, cio, image);
2586 #endif /* USE_JPWL */
2591 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2596 /* expand the list? */
2597 if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2598 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2599 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2602 /* add the marker */
2603 cstr_info->marker[cstr_info->marknum].type = type;
2604 cstr_info->marker[cstr_info->marknum].pos = pos;
2605 cstr_info->marker[cstr_info->marknum].len = len;
2606 cstr_info->marknum++;
2610 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2612 opj_marker_info_t *marker;
2617 /* expand the list? */
2618 if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2619 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2620 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2623 marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2625 /* add the marker */
2626 marker->type = type;
2629 cstr_info->tile[tileno].marknum++;