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 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 image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
472 for (i = 0; i < image->numcomps; i++) {
474 tmp = cio_read(cio, 1); /* Ssiz_i */
475 image->comps[i].prec = (tmp & 0x7f) + 1;
476 image->comps[i].sgnd = tmp >> 7;
477 image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */
478 image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */
481 if (j2k->cp->correct) {
482 /* if JPWL is on, we check whether TX errors have damaged
483 too much the SIZ parameters, again */
484 if (!(image->comps[i].dx * image->comps[i].dy)) {
485 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
486 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
487 i, i, image->comps[i].dx, image->comps[i].dy);
489 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
492 /* we try to correct */
493 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
494 if (!image->comps[i].dx) {
495 image->comps[i].dx = 1;
496 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
497 i, image->comps[i].dx);
499 if (!image->comps[i].dy) {
500 image->comps[i].dy = 1;
501 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
502 i, image->comps[i].dy);
507 #endif /* USE_JPWL */
510 w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx);
511 h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy);
513 image->comps[i].resno_decoded = 0; /* number of resolution decoded */
514 image->comps[i].factor = cp->reduce; /* reducing factor per component */
517 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
518 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
521 if (j2k->cp->correct) {
522 /* if JPWL is on, we check whether TX errors have damaged
523 too much the SIZ parameters */
524 if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) {
525 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
526 "JPWL: bad number of tiles (%d x %d)\n",
529 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
532 /* we try to correct */
533 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n");
536 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
539 if (cp->tw > cp->max_tiles) {
541 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n"
542 "- setting %d tiles in x => HYPOTHESIS!!!\n",
543 cp->max_tiles, cp->tw);
547 opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
550 if (cp->th > cp->max_tiles) {
552 opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
553 "- setting %d tiles in y => HYPOTHESIS!!!\n",
554 cp->max_tiles, cp->th);
558 #endif /* USE_JPWL */
560 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
561 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
565 if (j2k->cp->correct) {
567 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
568 "JPWL: could not alloc tcps field of cp\n");
569 if (!JPWL_ASSUME || JPWL_ASSUME) {
570 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
575 #endif /* USE_JPWL */
577 for (i = 0; i < cp->tw * cp->th; i++) {
579 cp->tcps[i].numpocs = 0;
580 cp->tcps[i].first = 1;
583 /* Initialization for PPM marker */
586 cp->ppm_data_first = NULL;
587 cp->ppm_previous = 0;
590 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
591 for (i = 0; i < cp->tw * cp->th; i++) {
592 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
594 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
595 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
596 j2k->state = J2K_STATE_MH;
599 if (j2k->cstr_info) {
600 opj_codestream_info_t *cstr_info = j2k->cstr_info;
601 cstr_info->image_w = image->x1 - image->x0;
602 cstr_info->image_h = image->y1 - image->y0;
603 cstr_info->numcomps = image->numcomps;
604 cstr_info->tw = cp->tw;
605 cstr_info->th = cp->th;
606 cstr_info->tile_x = cp->tdx;
607 cstr_info->tile_y = cp->tdy;
608 cstr_info->tile_Ox = cp->tx0;
609 cstr_info->tile_Oy = cp->ty0;
610 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
614 static void j2k_write_com(opj_j2k_t *j2k) {
618 if(j2k->cp->comment) {
619 opj_cio_t *cio = j2k->cio;
620 char *comment = j2k->cp->comment;
622 cio_write(cio, J2K_MS_COM, 2);
623 lenp = cio_tell(cio);
625 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
626 for (i = 0; i < strlen(comment); i++) {
627 cio_write(cio, comment[i], 1);
629 len = cio_tell(cio) - lenp;
631 cio_write(cio, len, 2);
632 cio_seek(cio, lenp + len);
636 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
641 static void j2k_read_com(opj_j2k_t *j2k) {
644 opj_cio_t *cio = j2k->cio;
646 len = cio_read(cio, 2);
647 cio_skip(cio, len - 2);
650 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
653 opj_cp_t *cp = j2k->cp;
654 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
655 opj_tccp_t *tccp = &tcp->tccps[compno];
656 opj_cio_t *cio = j2k->cio;
658 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
659 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
660 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
661 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
662 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
664 if (tccp->csty & J2K_CCP_CSTY_PRT) {
665 for (i = 0; i < tccp->numresolutions; i++) {
666 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
671 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
674 opj_cp_t *cp = j2k->cp;
675 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
676 opj_tccp_t *tccp = &tcp->tccps[compno];
677 opj_cio_t *cio = j2k->cio;
679 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
681 /* If user wants to remove more resolutions than the codestream contains, return error*/
682 if (cp->reduce >= tccp->numresolutions) {
683 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
684 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
685 j2k->state |= J2K_STATE_ERR;
688 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
689 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
690 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
691 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
692 if (tccp->csty & J2K_CP_CSTY_PRT) {
693 for (i = 0; i < tccp->numresolutions; i++) {
694 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
695 tccp->prcw[i] = tmp & 0xf;
696 tccp->prch[i] = tmp >> 4;
701 if(j2k->cstr_info && compno == 0) {
702 for (i = 0; i < tccp->numresolutions; i++) {
703 if (tccp->csty & J2K_CP_CSTY_PRT) {
704 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
705 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
708 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
709 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
716 static void j2k_write_cod(opj_j2k_t *j2k) {
718 opj_tcp_t *tcp = NULL;
721 opj_cio_t *cio = j2k->cio;
723 cio_write(cio, J2K_MS_COD, 2); /* COD */
725 lenp = cio_tell(cio);
729 tcp = &cp->tcps[j2k->curtileno];
731 cio_write(cio, tcp->csty, 1); /* Scod */
732 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
733 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
734 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
736 j2k_write_cox(j2k, 0);
737 len = cio_tell(cio) - lenp;
739 cio_write(cio, len, 2); /* Lcod */
740 cio_seek(cio, lenp + len);
743 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
747 static void j2k_read_cod(opj_j2k_t *j2k) {
750 opj_cio_t *cio = j2k->cio;
751 opj_cp_t *cp = j2k->cp;
752 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
753 opj_image_t *image = j2k->image;
755 len = cio_read(cio, 2); /* Lcod */
756 tcp->csty = cio_read(cio, 1); /* Scod */
757 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
758 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
759 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
762 for (i = 0; i < image->numcomps; i++) {
763 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
765 j2k_read_cox(j2k, i);
769 if (j2k->cstr_info) {
770 opj_codestream_info_t *cstr_info = j2k->cstr_info;
771 cstr_info->prog = tcp->prg;
772 cstr_info->numlayers = tcp->numlayers;
773 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
774 for (i = 0; i < image->numcomps; i++) {
775 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
780 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
783 opj_cp_t *cp = j2k->cp;
784 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
785 opj_image_t *image = j2k->image;
786 opj_cio_t *cio = j2k->cio;
788 cio_write(cio, J2K_MS_COC, 2); /* COC */
789 lenp = cio_tell(cio);
791 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
792 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
793 j2k_write_cox(j2k, compno);
794 len = cio_tell(cio) - lenp;
796 cio_write(cio, len, 2); /* Lcoc */
797 cio_seek(cio, lenp + len);
800 static void j2k_read_coc(opj_j2k_t *j2k) {
803 opj_cp_t *cp = j2k->cp;
804 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
805 opj_image_t *image = j2k->image;
806 opj_cio_t *cio = j2k->cio;
808 len = cio_read(cio, 2); /* Lcoc */
809 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
810 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
811 j2k_read_cox(j2k, compno);
814 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
815 int bandno, numbands;
818 opj_cp_t *cp = j2k->cp;
819 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
820 opj_tccp_t *tccp = &tcp->tccps[compno];
821 opj_cio_t *cio = j2k->cio;
823 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
824 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
826 for (bandno = 0; bandno < numbands; bandno++) {
827 expn = tccp->stepsizes[bandno].expn;
828 mant = tccp->stepsizes[bandno].mant;
830 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
831 cio_write(cio, expn << 3, 1); /* SPqcx_i */
833 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
838 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
840 int bandno, numbands;
842 opj_cp_t *cp = j2k->cp;
843 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
844 opj_tccp_t *tccp = &tcp->tccps[compno];
845 opj_cio_t *cio = j2k->cio;
847 tmp = cio_read(cio, 1); /* Sqcx */
848 tccp->qntsty = tmp & 0x1f;
849 tccp->numgbits = tmp >> 5;
850 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
851 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
854 if (j2k->cp->correct) {
856 /* if JPWL is on, we check whether there are too many subbands */
857 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
858 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
859 "JPWL: bad number of subbands in Sqcx (%d)\n",
862 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
865 /* we try to correct */
867 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
868 "- setting number of bands to %d => HYPOTHESIS!!!\n",
875 /* We check whether there are too many subbands */
876 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
877 opj_event_msg(j2k->cinfo, EVT_WARNING ,
878 "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
879 "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
882 #endif /* USE_JPWL */
884 for (bandno = 0; bandno < numbands; bandno++) {
886 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
887 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
890 tmp = cio_read(cio, 2); /* SPqcx_i */
894 if (bandno < J2K_MAXBANDS){
895 tccp->stepsizes[bandno].expn = expn;
896 tccp->stepsizes[bandno].mant = mant;
900 /* Add Antonin : if scalar_derived -> compute other stepsizes */
901 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
902 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
903 tccp->stepsizes[bandno].expn =
904 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
905 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
906 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
912 static void j2k_write_qcd(opj_j2k_t *j2k) {
915 opj_cio_t *cio = j2k->cio;
917 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
918 lenp = cio_tell(cio);
920 j2k_write_qcx(j2k, 0);
921 len = cio_tell(cio) - lenp;
923 cio_write(cio, len, 2); /* Lqcd */
924 cio_seek(cio, lenp + len);
927 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
930 static void j2k_read_qcd(opj_j2k_t *j2k) {
933 opj_cio_t *cio = j2k->cio;
934 opj_image_t *image = j2k->image;
936 len = cio_read(cio, 2); /* Lqcd */
938 for (i = 0; i < image->numcomps; i++) {
940 j2k_read_qcx(j2k, i, len - 2);
944 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
947 opj_cio_t *cio = j2k->cio;
949 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
950 lenp = cio_tell(cio);
952 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
953 j2k_write_qcx(j2k, compno);
954 len = cio_tell(cio) - lenp;
956 cio_write(cio, len, 2); /* Lqcc */
957 cio_seek(cio, lenp + len);
960 static void j2k_read_qcc(opj_j2k_t *j2k) {
962 int numcomp = j2k->image->numcomps;
963 opj_cio_t *cio = j2k->cio;
965 len = cio_read(cio, 2); /* Lqcc */
966 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
969 if (j2k->cp->correct) {
971 static int backup_compno = 0;
973 /* compno is negative or larger than the number of components!!! */
974 if ((compno < 0) || (compno >= numcomp)) {
975 opj_event_msg(j2k->cinfo, EVT_ERROR,
976 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
979 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
982 /* we try to correct */
983 compno = backup_compno % numcomp;
984 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
985 "- setting component number to %d\n",
989 /* keep your private count of tiles */
992 #endif /* USE_JPWL */
994 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
997 static void j2k_write_poc(opj_j2k_t *j2k) {
998 int len, numpchgs, i;
1000 int numcomps = j2k->image->numcomps;
1002 opj_cp_t *cp = j2k->cp;
1003 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1004 opj_tccp_t *tccp = &tcp->tccps[0];
1005 opj_cio_t *cio = j2k->cio;
1007 numpchgs = 1 + tcp->numpocs;
1008 cio_write(cio, J2K_MS_POC, 2); /* POC */
1009 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1010 cio_write(cio, len, 2); /* Lpoc */
1011 for (i = 0; i < numpchgs; i++) {
1012 opj_poc_t *poc = &tcp->pocs[i];
1013 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1014 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
1015 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1016 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1017 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1018 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1019 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
1020 poc->compno1 = int_min(poc->compno1, numcomps);
1021 cio_write(cio, poc->prg, 1); /* Ppoc_i */
1025 static void j2k_read_poc(opj_j2k_t *j2k) {
1026 int len, numpchgs, i, old_poc;
1028 int numcomps = j2k->image->numcomps;
1030 opj_cp_t *cp = j2k->cp;
1031 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1032 opj_cio_t *cio = j2k->cio;
1034 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1036 len = cio_read(cio, 2); /* Lpoc */
1037 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1039 for (i = old_poc; i < numpchgs + old_poc; i++) {
1041 poc = &tcp->pocs[i];
1042 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1043 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
1044 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
1045 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
1046 poc->compno1 = int_min(
1047 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
1048 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1051 tcp->numpocs = numpchgs + old_poc - 1;
1054 static void j2k_read_crg(opj_j2k_t *j2k) {
1055 int len, i, Xcrg_i, Ycrg_i;
1057 opj_cio_t *cio = j2k->cio;
1058 int numcomps = j2k->image->numcomps;
1060 len = cio_read(cio, 2); /* Lcrg */
1061 for (i = 0; i < numcomps; i++) {
1062 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1063 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1067 static void j2k_read_tlm(opj_j2k_t *j2k) {
1068 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1069 long int Ttlm_i, Ptlm_i;
1071 opj_cio_t *cio = j2k->cio;
1073 len = cio_read(cio, 2); /* Ltlm */
1074 Ztlm = cio_read(cio, 1); /* Ztlm */
1075 Stlm = cio_read(cio, 1); /* Stlm */
1076 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1077 SP = (Stlm >> 6) & 0x01;
1078 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1079 for (i = 0; i < tile_tlm; i++) {
1080 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1081 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1085 static void j2k_read_plm(opj_j2k_t *j2k) {
1086 int len, i, Zplm, Nplm, add, packet_len = 0;
1088 opj_cio_t *cio = j2k->cio;
1090 len = cio_read(cio, 2); /* Lplm */
1091 Zplm = cio_read(cio, 1); /* Zplm */
1094 Nplm = cio_read(cio, 4); /* Nplm */
1096 for (i = Nplm; i > 0; i--) {
1097 add = cio_read(cio, 1);
1099 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1100 if ((add & 0x80) == 0) {
1110 static void j2k_read_plt(opj_j2k_t *j2k) {
1111 int len, i, Zplt, packet_len = 0, add;
1113 opj_cio_t *cio = j2k->cio;
1115 len = cio_read(cio, 2); /* Lplt */
1116 Zplt = cio_read(cio, 1); /* Zplt */
1117 for (i = len - 3; i > 0; i--) {
1118 add = cio_read(cio, 1);
1119 packet_len = (packet_len << 7) + add; /* Iplt_i */
1120 if ((add & 0x80) == 0) {
1127 static void j2k_read_ppm(opj_j2k_t *j2k) {
1128 int len, Z_ppm, i, j;
1131 opj_cp_t *cp = j2k->cp;
1132 opj_cio_t *cio = j2k->cio;
1134 len = cio_read(cio, 2);
1137 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1140 if (cp->ppm_previous == 0) {
1141 N_ppm = cio_read(cio, 4); /* N_ppm */
1144 N_ppm = cp->ppm_previous;
1147 if (Z_ppm == 0) { /* First PPM marker */
1148 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1149 cp->ppm_data_first = cp->ppm_data;
1150 cp->ppm_len = N_ppm;
1151 } else { /* NON-first PPM marker */
1152 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1155 /* this memory allocation check could be done even in non-JPWL cases */
1157 if (!cp->ppm_data) {
1158 opj_event_msg(j2k->cinfo, EVT_ERROR,
1159 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1161 if (!JPWL_ASSUME || JPWL_ASSUME) {
1162 opj_free(cp->ppm_data);
1163 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1170 cp->ppm_data_first = cp->ppm_data;
1171 cp->ppm_len = N_ppm + cp->ppm_store;
1173 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1174 cp->ppm_data[j] = cio_read(cio, 1);
1178 break; /* Case of non-finished packet header in present marker but finished in next one */
1180 cp->ppm_previous = i - 1;
1185 static void j2k_read_ppt(opj_j2k_t *j2k) {
1186 int len, Z_ppt, i, j = 0;
1188 opj_cp_t *cp = j2k->cp;
1189 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1190 opj_cio_t *cio = j2k->cio;
1192 len = cio_read(cio, 2);
1193 Z_ppt = cio_read(cio, 1);
1195 if (Z_ppt == 0) { /* First PPT marker */
1196 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1197 tcp->ppt_data_first = tcp->ppt_data;
1199 tcp->ppt_len = len - 3;
1200 } else { /* NON-first PPT marker */
1201 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1202 tcp->ppt_data_first = tcp->ppt_data;
1203 tcp->ppt_len = len - 3 + tcp->ppt_store;
1206 for (i = len - 3; i > 0; i--) {
1207 tcp->ppt_data[j] = cio_read(cio, 1);
1213 static void j2k_write_tlm(opj_j2k_t *j2k){
1215 opj_cio_t *cio = j2k->cio;
1216 j2k->tlm_start = cio_tell(cio);
1217 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1218 lenp = 4 + (5*j2k->totnum_tp);
1219 cio_write(cio,lenp,2); /* Ltlm */
1220 cio_write(cio, 0,1); /* Ztlm=0*/
1221 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1222 cio_skip(cio,5*j2k->totnum_tp);
1225 static void j2k_write_sot(opj_j2k_t *j2k) {
1228 opj_cio_t *cio = j2k->cio;
1230 j2k->sot_start = cio_tell(cio);
1231 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1232 lenp = cio_tell(cio);
1233 cio_skip(cio, 2); /* Lsot (further) */
1234 cio_write(cio, j2k->curtileno, 2); /* Isot */
1235 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1236 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1237 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1238 len = cio_tell(cio) - lenp;
1239 cio_seek(cio, lenp);
1240 cio_write(cio, len, 2); /* Lsot */
1241 cio_seek(cio, lenp + len);
1245 /* update markers struct */
1246 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1247 #endif /* USE_JPWL */
1250 if( j2k->cstr_info && j2k->cur_tp_num==0){
1251 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1255 static void j2k_read_sot(opj_j2k_t *j2k) {
1256 int len, tileno, totlen, partno, numparts, i;
1257 opj_tcp_t *tcp = NULL;
1260 opj_cp_t *cp = j2k->cp;
1261 opj_cio_t *cio = j2k->cio;
1263 len = cio_read(cio, 2);
1264 tileno = cio_read(cio, 2);
1267 if (j2k->cp->correct) {
1269 static int backup_tileno = 0;
1271 /* tileno is negative or larger than the number of tiles!!! */
1272 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1273 opj_event_msg(j2k->cinfo, EVT_ERROR,
1274 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1275 tileno, (cp->tw * cp->th));
1277 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1280 /* we try to correct */
1281 tileno = backup_tileno;
1282 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1283 "- setting tile number to %d\n",
1287 /* keep your private count of tiles */
1290 #endif /* USE_JPWL */
1292 if (cp->tileno_size == 0) {
1293 cp->tileno[cp->tileno_size] = tileno;
1297 while (i < cp->tileno_size && status == 0) {
1298 status = cp->tileno[i] == tileno ? 1 : 0;
1302 cp->tileno[cp->tileno_size] = tileno;
1307 totlen = cio_read(cio, 4);
1310 if (j2k->cp->correct) {
1312 /* totlen is negative or larger than the bytes left!!! */
1313 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1314 opj_event_msg(j2k->cinfo, EVT_ERROR,
1315 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1316 totlen, cio_numbytesleft(cio) + 8);
1318 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1321 /* we try to correct */
1323 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1324 "- setting Psot to %d => assuming it is the last tile\n",
1329 #endif /* USE_JPWL */
1332 totlen = cio_numbytesleft(cio) + 8;
1334 partno = cio_read(cio, 1);
1335 numparts = cio_read(cio, 1);
1337 if (partno >= numparts) {
1338 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);
1339 numparts = partno+1;
1342 j2k->curtileno = tileno;
1343 j2k->cur_tp_num = partno;
1344 j2k->eot = cio_getbp(cio) - 12 + totlen;
1345 j2k->state = J2K_STATE_TPH;
1346 tcp = &cp->tcps[j2k->curtileno];
1349 if (j2k->cstr_info) {
1352 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1353 j2k->cstr_info->tile[tileno].tileno = tileno;
1354 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1355 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1357 j2k->cstr_info->tile[tileno].end_pos += totlen;
1359 j2k->cstr_info->tile[tileno].num_tps = numparts;
1361 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1363 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)*/
1364 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1365 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1366 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1369 if (tcp->first == 1) {
1370 /* Initialization PPT */
1371 opj_tccp_t *tmp = tcp->tccps;
1372 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1374 tcp->ppt_data = NULL;
1375 tcp->ppt_data_first = NULL;
1378 for (i = 0; i < j2k->image->numcomps; i++) {
1379 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1381 cp->tcps[j2k->curtileno].first = 0;
1385 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1388 opj_tcp_t *tcp = NULL;
1389 opj_codestream_info_t *cstr_info = NULL;
1391 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1392 opj_cp_t *cp = j2k->cp;
1393 opj_cio_t *cio = j2k->cio;
1395 tcd->tp_num = j2k->tp_num ;
1396 tcd->cur_tp_num = j2k->cur_tp_num;
1398 cio_write(cio, J2K_MS_SOD, 2);
1400 if( j2k->cstr_info && j2k->cur_tp_num==0){
1401 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1404 if (j2k->curtileno == 0) {
1405 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1409 cstr_info = j2k->cstr_info;
1411 if (!j2k->cur_tp_num ) {
1412 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1413 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1416 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1417 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1421 /* update markers struct */
1422 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1423 #endif /* USE_JPWL */
1428 tcp = &cp->tcps[j2k->curtileno];
1429 for (layno = 0; layno < tcp->numlayers; layno++) {
1430 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1431 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1432 } else if (tcp->rates[layno]) {
1433 tcp->rates[layno]=1;
1436 if(j2k->cur_tp_num == 0){
1437 tcd->tcd_image->tiles->packno = 0;
1439 cstr_info->packno = 0;
1442 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1444 /* Writing Psot in SOT marker */
1445 totlen = cio_tell(cio) + l - j2k->sot_start;
1446 cio_seek(cio, j2k->sot_start + 6);
1447 cio_write(cio, totlen, 4);
1448 cio_seek(cio, j2k->sot_start + totlen);
1449 /* Writing Ttlm and Ptlm in TLM marker */
1451 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1452 cio_write(cio, j2k->curtileno, 1);
1453 cio_write(cio, totlen, 4);
1455 cio_seek(cio, j2k->sot_start + totlen);
1458 static void j2k_read_sod(opj_j2k_t *j2k) {
1459 int len, truncate = 0, i;
1460 unsigned char *data = NULL, *data_ptr = NULL;
1462 opj_cio_t *cio = j2k->cio;
1463 int curtileno = j2k->curtileno;
1466 if (j2k->cstr_info) {
1467 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1468 cio_tell(cio) + j2k->pos_correction - 1;
1469 if (j2k->cur_tp_num == 0)
1470 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1471 j2k->cstr_info->packno = 0;
1474 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1476 if (len == cio_numbytesleft(cio) + 1) {
1477 truncate = 1; /* Case of a truncate codestream */
1480 data = j2k->tile_data[curtileno];
1481 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1483 data_ptr = data + j2k->tile_len[curtileno];
1484 for (i = 0; i < len; i++) {
1485 data_ptr[i] = cio_read(cio, 1);
1488 j2k->tile_len[curtileno] += len;
1489 j2k->tile_data[curtileno] = data;
1492 j2k->state = J2K_STATE_TPHSOT;
1494 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1499 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1500 opj_cp_t *cp = j2k->cp;
1501 opj_tcp_t *tcp = &cp->tcps[tileno];
1502 opj_cio_t *cio = j2k->cio;
1503 int numcomps = j2k->image->numcomps;
1505 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1506 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1507 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1508 cio_write(cio, 0, 1); /* Srgn */
1509 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1512 static void j2k_read_rgn(opj_j2k_t *j2k) {
1513 int len, compno, roisty;
1515 opj_cp_t *cp = j2k->cp;
1516 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1517 opj_cio_t *cio = j2k->cio;
1518 int numcomps = j2k->image->numcomps;
1520 len = cio_read(cio, 2); /* Lrgn */
1521 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1522 roisty = cio_read(cio, 1); /* Srgn */
1525 if (j2k->cp->correct) {
1526 /* totlen is negative or larger than the bytes left!!! */
1527 if (compno >= numcomps) {
1528 opj_event_msg(j2k->cinfo, EVT_ERROR,
1529 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1531 if (!JPWL_ASSUME || JPWL_ASSUME) {
1532 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1537 #endif /* USE_JPWL */
1539 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1542 static void j2k_write_eoc(opj_j2k_t *j2k) {
1543 opj_cio_t *cio = j2k->cio;
1544 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1545 cio_write(cio, J2K_MS_EOC, 2);
1549 /* update markers struct */
1550 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1551 #endif /* USE_JPWL */
1555 static void j2k_read_eoc(opj_j2k_t *j2k) {
1559 /* if packets should be decoded */
1560 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1561 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1562 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1563 for (i = 0; i < j2k->cp->tileno_size; i++) {
1564 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1565 tileno = j2k->cp->tileno[i];
1566 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1567 opj_free(j2k->tile_data[tileno]);
1568 j2k->tile_data[tileno] = NULL;
1569 tcd_free_decode_tile(tcd, i);
1570 if (success == OPJ_FALSE) {
1571 j2k->state |= J2K_STATE_ERR;
1575 tcd_free_decode(tcd);
1578 /* if packets should not be decoded */
1580 for (i = 0; i < j2k->cp->tileno_size; i++) {
1581 tileno = j2k->cp->tileno[i];
1582 opj_free(j2k->tile_data[tileno]);
1583 j2k->tile_data[tileno] = NULL;
1586 if (j2k->state & J2K_STATE_ERR)
1587 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1589 j2k->state = J2K_STATE_MT;
1592 typedef struct opj_dec_mstabent {
1595 /** value of the state when the marker can appear */
1597 /** action linked to the marker */
1598 void (*handler) (opj_j2k_t *j2k);
1599 } opj_dec_mstabent_t;
1601 opj_dec_mstabent_t j2k_dec_mstab[] = {
1602 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1603 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1604 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1605 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1606 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1607 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1608 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1609 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1610 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1611 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1612 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1613 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1614 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1615 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1616 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1617 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1619 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1620 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1623 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1624 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1625 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1626 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1627 #endif /* USE_JPWL */
1629 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1630 {J2K_MS_INSEC, 0, j2k_read_insec},
1631 #endif /* USE_JPSEC */
1633 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1636 static void j2k_read_unk(opj_j2k_t *j2k) {
1637 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1640 if (j2k->cp->correct) {
1642 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1643 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1644 id = cio_read(j2k->cio, 2);
1645 opj_event_msg(j2k->cinfo, EVT_ERROR,
1646 "JPWL: really don't know this marker %x\n",
1649 opj_event_msg(j2k->cinfo, EVT_ERROR,
1650 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1653 /* OK, activate this at your own risk!!! */
1654 /* we look for the marker at the minimum hamming distance from this */
1655 while (j2k_dec_mstab[m].id) {
1657 /* 1's where they differ */
1658 tmp_id = j2k_dec_mstab[m].id ^ id;
1660 /* compute the hamming distance between our id and the current */
1662 for (i = 0; i < 16; i++) {
1663 if ((tmp_id >> i) & 0x0001) {
1668 /* if current distance is smaller, set the minimum */
1669 if (cur_dist < min_dist) {
1670 min_dist = cur_dist;
1671 min_id = j2k_dec_mstab[m].id;
1674 /* jump to the next marker */
1678 /* do we substitute the marker? */
1679 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1680 opj_event_msg(j2k->cinfo, EVT_ERROR,
1681 "- marker %x is at distance %d from the read %x\n",
1682 min_id, min_dist, id);
1683 opj_event_msg(j2k->cinfo, EVT_ERROR,
1684 "- trying to substitute in place and crossing fingers!\n");
1685 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1686 cio_write(j2k->cio, min_id, 2);
1689 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1694 #endif /* USE_JPWL */
1699 Read the lookup table containing all the marker, status and action
1700 @param id Marker value
1702 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1703 opj_dec_mstabent_t *e;
1704 for (e = j2k_dec_mstab; e->id != 0; e++) {
1712 /* ----------------------------------------------------------------------- */
1713 /* J2K / JPT decoder interface */
1714 /* ----------------------------------------------------------------------- */
1716 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1717 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1721 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1722 if(!j2k->default_tcp) {
1728 j2k->tile_data = NULL;
1733 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1736 if(j2k->tile_len != NULL) {
1737 opj_free(j2k->tile_len);
1739 if(j2k->tile_data != NULL) {
1740 opj_free(j2k->tile_data);
1742 if(j2k->default_tcp != NULL) {
1743 opj_tcp_t *default_tcp = j2k->default_tcp;
1744 if(default_tcp->ppt_data_first != NULL) {
1745 opj_free(default_tcp->ppt_data_first);
1747 if(j2k->default_tcp->tccps != NULL) {
1748 opj_free(j2k->default_tcp->tccps);
1750 opj_free(j2k->default_tcp);
1752 if(j2k->cp != NULL) {
1753 opj_cp_t *cp = j2k->cp;
1754 if(cp->tcps != NULL) {
1755 for(i = 0; i < cp->tw * cp->th; i++) {
1756 if(cp->tcps[i].ppt_data_first != NULL) {
1757 opj_free(cp->tcps[i].ppt_data_first);
1759 if(cp->tcps[i].tccps != NULL) {
1760 opj_free(cp->tcps[i].tccps);
1765 if(cp->ppm_data_first != NULL) {
1766 opj_free(cp->ppm_data_first);
1768 if(cp->tileno != NULL) {
1769 opj_free(cp->tileno);
1771 if(cp->comment != NULL) {
1772 opj_free(cp->comment);
1780 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1781 if(j2k && parameters) {
1782 /* create and initialize the coding parameters structure */
1783 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1784 cp->reduce = parameters->cp_reduce;
1785 cp->layer = parameters->cp_layer;
1786 cp->limit_decoding = parameters->cp_limit_decoding;
1789 cp->correct = parameters->jpwl_correct;
1790 cp->exp_comps = parameters->jpwl_exp_comps;
1791 cp->max_tiles = parameters->jpwl_max_tiles;
1792 #endif /* USE_JPWL */
1795 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1800 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1801 opj_image_t *image = NULL;
1803 opj_common_ptr cinfo = j2k->cinfo;
1806 j2k->cstr_info = cstr_info;
1808 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1810 /* create an empty image */
1811 image = opj_image_create0();
1814 j2k->state = J2K_STATE_MHSOC;
1817 opj_dec_mstabent_t *e;
1818 int id = cio_read(cio, 2);
1821 /* we try to honor JPWL correction power */
1822 if (j2k->cp->correct) {
1824 int orig_pos = cio_tell(cio);
1827 /* call the corrector */
1828 status = jpwl_correct(j2k);
1830 /* go back to where you were */
1831 cio_seek(cio, orig_pos - 2);
1833 /* re-read the marker */
1834 id = cio_read(cio, 2);
1836 /* check whether it begins with ff */
1837 if (id >> 8 != 0xff) {
1838 opj_event_msg(cinfo, EVT_ERROR,
1839 "JPWL: possible bad marker %x at %d\n",
1840 id, cio_tell(cio) - 2);
1842 opj_image_destroy(image);
1843 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1846 /* we try to correct */
1848 cio_seek(cio, cio_tell(cio) - 2);
1849 cio_write(cio, id, 2);
1850 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1851 "- setting marker to %x\n",
1856 #endif /* USE_JPWL */
1858 if (id >> 8 != 0xff) {
1859 opj_image_destroy(image);
1860 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1863 e = j2k_dec_mstab_lookup(id);
1864 /* Check if the marker is known*/
1865 if (!(j2k->state & e->states)) {
1866 opj_image_destroy(image);
1867 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1870 /* Check if the decoding is limited to the main header*/
1871 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1872 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1879 if (j2k->state & J2K_STATE_ERR)
1882 if (j2k->state == J2K_STATE_MT) {
1885 if (j2k->state == J2K_STATE_NEOC) {
1889 if (j2k->state == J2K_STATE_NEOC) {
1893 if (j2k->state != J2K_STATE_MT) {
1894 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1900 * Read a JPT-stream and decode file
1903 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1904 opj_image_t *image = NULL;
1905 opj_jpt_msg_header_t header;
1907 opj_common_ptr cinfo = j2k->cinfo;
1909 OPJ_ARG_NOT_USED(cstr_info);
1913 /* create an empty image */
1914 image = opj_image_create0();
1917 j2k->state = J2K_STATE_MHSOC;
1919 /* Initialize the header */
1920 jpt_init_msg_header(&header);
1921 /* Read the first header of the message */
1922 jpt_read_msg_header(cinfo, cio, &header);
1924 position = cio_tell(cio);
1925 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1926 opj_image_destroy(image);
1927 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1932 opj_dec_mstabent_t *e = NULL;
1935 if (!cio_numbytesleft(cio)) {
1939 /* data-bin read -> need to read a new header */
1940 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1941 jpt_read_msg_header(cinfo, cio, &header);
1942 position = cio_tell(cio);
1943 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1944 opj_image_destroy(image);
1945 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1950 id = cio_read(cio, 2);
1951 if (id >> 8 != 0xff) {
1952 opj_image_destroy(image);
1953 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1956 e = j2k_dec_mstab_lookup(id);
1957 if (!(j2k->state & e->states)) {
1958 opj_image_destroy(image);
1959 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1965 if (j2k->state == J2K_STATE_MT) {
1968 if (j2k->state == J2K_STATE_NEOC) {
1972 if (j2k->state == J2K_STATE_NEOC) {
1976 if (j2k->state != J2K_STATE_MT) {
1977 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1983 /* ----------------------------------------------------------------------- */
1984 /* J2K encoder interface */
1985 /* ----------------------------------------------------------------------- */
1987 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
1988 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1995 void j2k_destroy_compress(opj_j2k_t *j2k) {
1999 if(j2k->cp != NULL) {
2000 opj_cp_t *cp = j2k->cp;
2003 opj_free(cp->comment);
2006 opj_free(cp->matrice);
2008 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2009 opj_free(cp->tcps[tileno].tccps);
2018 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2019 int i, j, tileno, numpocs_tile;
2020 opj_cp_t *cp = NULL;
2022 if(!j2k || !parameters || ! image) {
2026 /* create and initialize the coding parameters structure */
2027 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2029 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2032 /* set default values for cp */
2037 copy user encoding parameters
2039 cp->cinema = parameters->cp_cinema;
2040 cp->max_comp_size = parameters->max_comp_size;
2041 cp->rsiz = parameters->cp_rsiz;
2042 cp->disto_alloc = parameters->cp_disto_alloc;
2043 cp->fixed_alloc = parameters->cp_fixed_alloc;
2044 cp->fixed_quality = parameters->cp_fixed_quality;
2046 /* mod fixed_quality */
2047 if(parameters->cp_matrice) {
2048 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2049 cp->matrice = (int *) opj_malloc(array_size);
2050 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2054 cp->tdx = parameters->cp_tdx;
2055 cp->tdy = parameters->cp_tdy;
2058 cp->tx0 = parameters->cp_tx0;
2059 cp->ty0 = parameters->cp_ty0;
2061 /* comment string */
2062 if(parameters->cp_comment) {
2063 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2065 strcpy(cp->comment, parameters->cp_comment);
2070 calculate other encoding parameters
2073 if (parameters->tile_size_on) {
2074 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2075 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2077 cp->tdx = image->x1 - cp->tx0;
2078 cp->tdy = image->y1 - cp->ty0;
2081 if(parameters->tp_on){
2082 cp->tp_flag = parameters->tp_flag;
2087 for(i=0;i<image->numcomps ;i++){
2088 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2094 calculate JPWL encoding parameters
2097 if (parameters->jpwl_epc_on) {
2101 cp->epc_on = OPJ_TRUE;
2102 cp->info_on = OPJ_FALSE; /* no informative technique */
2105 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2106 cp->epb_on = OPJ_TRUE;
2108 cp->hprot_MH = parameters->jpwl_hprot_MH;
2109 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2110 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2111 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2113 /* if tile specs are not specified, copy MH specs */
2114 if (cp->hprot_TPH[0] == -1) {
2115 cp->hprot_TPH_tileno[0] = 0;
2116 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2118 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2119 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2120 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2121 cp->pprot[i] = parameters->jpwl_pprot[i];
2125 /* set ESD writing */
2126 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2127 cp->esd_on = OPJ_TRUE;
2129 cp->sens_size = parameters->jpwl_sens_size;
2130 cp->sens_addr = parameters->jpwl_sens_addr;
2131 cp->sens_range = parameters->jpwl_sens_range;
2133 cp->sens_MH = parameters->jpwl_sens_MH;
2134 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2135 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2136 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2140 /* always set RED writing to false: we are at the encoder */
2141 cp->red_on = OPJ_FALSE;
2144 cp->epc_on = OPJ_FALSE;
2146 #endif /* USE_JPWL */
2149 /* initialize the mutiple tiles */
2150 /* ---------------------------- */
2151 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2153 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2154 opj_tcp_t *tcp = &cp->tcps[tileno];
2155 tcp->numlayers = parameters->tcp_numlayers;
2156 for (j = 0; j < tcp->numlayers; j++) {
2158 if (cp->fixed_quality) {
2159 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2161 tcp->rates[j] = parameters->tcp_rates[j];
2163 if (cp->fixed_quality) { /* add fixed_quality */
2164 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2166 tcp->rates[j] = parameters->tcp_rates[j];
2170 tcp->csty = parameters->csty;
2171 tcp->prg = parameters->prog_order;
2172 tcp->mct = parameters->tcp_mct;
2176 if (parameters->numpocs) {
2177 /* initialisation of POC */
2179 for (i = 0; i < parameters->numpocs; i++) {
2180 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2181 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2182 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2183 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2184 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2185 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2186 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2187 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2188 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2192 tcp->numpocs = numpocs_tile -1 ;
2197 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2199 for (i = 0; i < image->numcomps; i++) {
2200 opj_tccp_t *tccp = &tcp->tccps[i];
2201 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2202 tccp->numresolutions = parameters->numresolution;
2203 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2204 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2205 tccp->cblksty = parameters->mode;
2206 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2207 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2209 if (i == parameters->roi_compno) {
2210 tccp->roishift = parameters->roi_shift;
2215 if(parameters->cp_cinema)
2217 /*Precinct size for lowest frequency subband=128*/
2220 /*Precinct size at all other resolutions = 256*/
2221 for (j = 1; j < tccp->numresolutions; j++) {
2226 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2228 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2229 if (p < parameters->res_spec) {
2231 if (parameters->prcw_init[p] < 1) {
2234 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2237 if (parameters->prch_init[p] < 1) {
2240 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2244 int res_spec = parameters->res_spec;
2245 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2246 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2248 if (size_prcw < 1) {
2251 tccp->prcw[j] = int_floorlog2(size_prcw);
2254 if (size_prch < 1) {
2257 tccp->prch[j] = int_floorlog2(size_prch);
2261 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2264 for (j = 0; j < tccp->numresolutions; j++) {
2271 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2276 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2278 opj_cp_t *cp = NULL;
2280 opj_tcd_t *tcd = NULL; /* TCD component */
2288 j2k->cstr_info = cstr_info;
2291 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2292 cstr_info->image_w = image->x1 - image->x0;
2293 cstr_info->image_h = image->y1 - image->y0;
2294 cstr_info->prog = (&cp->tcps[0])->prg;
2295 cstr_info->tw = cp->tw;
2296 cstr_info->th = cp->th;
2297 cstr_info->tile_x = cp->tdx; /* new version parser */
2298 cstr_info->tile_y = cp->tdy; /* new version parser */
2299 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2300 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2301 cstr_info->numcomps = image->numcomps;
2302 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2303 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2304 for (compno=0; compno < image->numcomps; compno++) {
2305 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2307 cstr_info->D_max = 0.0; /* ADD Marcela */
2308 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2309 cstr_info->maxmarknum = 100;
2310 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2311 cstr_info->marknum = 0;
2321 for (compno = 1; compno < image->numcomps; compno++) {
2322 j2k_write_coc(j2k, compno);
2323 j2k_write_qcc(j2k, compno);
2327 for (compno = 0; compno < image->numcomps; compno++) {
2328 opj_tcp_t *tcp = &cp->tcps[0];
2329 if (tcp->tccps[compno].roishift)
2330 j2k_write_rgn(j2k, compno, 0);
2332 if (cp->comment != NULL) {
2336 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2340 if (cp->cinema == CINEMA4K_24) {
2345 /* uncomment only for testing JPSEC marker writing */
2346 /* j2k_write_sec(j2k); */
2350 cstr_info->main_head_end = cio_tell(cio) - 1;
2353 /**** Main Header ENDS here ***/
2355 /* create the tile encoder */
2356 tcd = tcd_create(j2k->cinfo);
2358 /* encode each tile */
2359 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2363 int acc_pack_num = 0;
2367 opj_tcp_t *tcp = &cp->tcps[tileno];
2368 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2370 j2k->curtileno = tileno;
2371 j2k->cur_tp_num = 0;
2372 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2373 /* initialisation before tile encoding */
2375 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2377 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2382 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2383 cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2384 cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2385 cstr_info->tile[j2k->curtileno].marknum = 0;
2389 for(pino = 0; pino <= tcp->numpocs; pino++) {
2393 /*Get number of tile parts*/
2394 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2395 tcd->tp_pos = cp->tp_pos;
2397 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2398 j2k->tp_num = tilepartno;
2401 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2402 cio_tell(cio) + j2k->pos_correction;
2406 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2407 for (compno = 1; compno < image->numcomps; compno++) {
2408 j2k_write_coc(j2k, compno);
2409 j2k_write_qcc(j2k, compno);
2411 if (cp->tcps[tileno].numpocs) {
2418 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2419 cio_tell(cio) + j2k->pos_correction + 1;
2422 j2k_write_sod(j2k, tcd);
2426 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2427 cio_tell(cio) + j2k->pos_correction - 1;
2428 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2430 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2431 cstr_info->packno - acc_pack_num;
2432 acc_pack_num = cstr_info->packno;
2440 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2445 if (tile->PPT) { // BAD PPT !!!
2448 PPT_file=fopen("PPT","rb");
2449 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2450 for (i=0;i<tile->len_ppt;i++) {
2452 fread(&elmt, 1, 1, PPT_file);
2453 fwrite(&elmt,1,1,f);
2462 /* destroy the tile encoder */
2463 tcd_free_encode(tcd);
2466 opj_free(j2k->cur_totnum_tp);
2471 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2473 /* The following adjustment is done to adjust the codestream size */
2474 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2475 /* the first bunch of bytes is not in the codestream */
2476 cstr_info->codestream_size -= cstr_info->main_head_start;
2482 preparation of JPWL marker segments
2486 /* encode according to JPWL */
2487 jpwl_encode(j2k, cio, image);
2490 #endif /* USE_JPWL */
2495 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2500 /* expand the list? */
2501 if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2502 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2503 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2506 /* add the marker */
2507 cstr_info->marker[cstr_info->marknum].type = type;
2508 cstr_info->marker[cstr_info->marknum].pos = pos;
2509 cstr_info->marker[cstr_info->marknum].len = len;
2510 cstr_info->marknum++;
2514 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2516 opj_marker_info_t *marker;
2521 /* expand the list? */
2522 if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2523 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2524 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2527 marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2529 /* add the marker */
2530 marker->type = type;
2533 cstr_info->tile[tileno].marknum++;