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 if (cp->tcps == NULL)
563 opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
566 cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int));
567 if (cp->tileno == NULL)
569 opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n");
575 if (j2k->cp->correct) {
577 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
578 "JPWL: could not alloc tcps field of cp\n");
579 if (!JPWL_ASSUME || JPWL_ASSUME) {
580 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
585 #endif /* USE_JPWL */
587 for (i = 0; i < cp->tw * cp->th; i++) {
589 cp->tcps[i].numpocs = 0;
590 cp->tcps[i].first = 1;
593 /* Initialization for PPM marker */
596 cp->ppm_data_first = NULL;
597 cp->ppm_previous = 0;
600 j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
601 for (i = 0; i < cp->tw * cp->th; i++) {
602 cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t));
604 j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*));
605 j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int));
606 j2k->state = J2K_STATE_MH;
609 if (j2k->cstr_info) {
610 opj_codestream_info_t *cstr_info = j2k->cstr_info;
611 cstr_info->image_w = image->x1 - image->x0;
612 cstr_info->image_h = image->y1 - image->y0;
613 cstr_info->numcomps = image->numcomps;
614 cstr_info->tw = cp->tw;
615 cstr_info->th = cp->th;
616 cstr_info->tile_x = cp->tdx;
617 cstr_info->tile_y = cp->tdy;
618 cstr_info->tile_Ox = cp->tx0;
619 cstr_info->tile_Oy = cp->ty0;
620 cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t));
624 static void j2k_write_com(opj_j2k_t *j2k) {
628 if(j2k->cp->comment) {
629 opj_cio_t *cio = j2k->cio;
630 char *comment = j2k->cp->comment;
632 cio_write(cio, J2K_MS_COM, 2);
633 lenp = cio_tell(cio);
635 cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */
636 for (i = 0; i < strlen(comment); i++) {
637 cio_write(cio, comment[i], 1);
639 len = cio_tell(cio) - lenp;
641 cio_write(cio, len, 2);
642 cio_seek(cio, lenp + len);
646 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, lenp, len);
651 static void j2k_read_com(opj_j2k_t *j2k) {
654 opj_cio_t *cio = j2k->cio;
656 len = cio_read(cio, 2);
657 cio_skip(cio, len - 2);
660 static void j2k_write_cox(opj_j2k_t *j2k, int compno) {
663 opj_cp_t *cp = j2k->cp;
664 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
665 opj_tccp_t *tccp = &tcp->tccps[compno];
666 opj_cio_t *cio = j2k->cio;
668 cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */
669 cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */
670 cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */
671 cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */
672 cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */
674 if (tccp->csty & J2K_CCP_CSTY_PRT) {
675 for (i = 0; i < tccp->numresolutions; i++) {
676 cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
681 static void j2k_read_cox(opj_j2k_t *j2k, int compno) {
684 opj_cp_t *cp = j2k->cp;
685 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
686 opj_tccp_t *tccp = &tcp->tccps[compno];
687 opj_cio_t *cio = j2k->cio;
689 tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */
691 /* If user wants to remove more resolutions than the codestream contains, return error*/
692 if (cp->reduce >= tccp->numresolutions) {
693 opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
694 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
695 j2k->state |= J2K_STATE_ERR;
698 tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */
699 tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */
700 tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */
701 tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */
702 if (tccp->csty & J2K_CP_CSTY_PRT) {
703 for (i = 0; i < tccp->numresolutions; i++) {
704 int tmp = cio_read(cio, 1); /* SPcox (I_i) */
705 tccp->prcw[i] = tmp & 0xf;
706 tccp->prch[i] = tmp >> 4;
711 if(j2k->cstr_info && compno == 0) {
712 for (i = 0; i < tccp->numresolutions; i++) {
713 if (tccp->csty & J2K_CP_CSTY_PRT) {
714 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i];
715 j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i];
718 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
719 j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15;
726 static void j2k_write_cod(opj_j2k_t *j2k) {
728 opj_tcp_t *tcp = NULL;
731 opj_cio_t *cio = j2k->cio;
733 cio_write(cio, J2K_MS_COD, 2); /* COD */
735 lenp = cio_tell(cio);
739 tcp = &cp->tcps[j2k->curtileno];
741 cio_write(cio, tcp->csty, 1); /* Scod */
742 cio_write(cio, tcp->prg, 1); /* SGcod (A) */
743 cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */
744 cio_write(cio, tcp->mct, 1); /* SGcod (C) */
746 j2k_write_cox(j2k, 0);
747 len = cio_tell(cio) - lenp;
749 cio_write(cio, len, 2); /* Lcod */
750 cio_seek(cio, lenp + len);
753 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, lenp, len);
757 static void j2k_read_cod(opj_j2k_t *j2k) {
760 opj_cio_t *cio = j2k->cio;
761 opj_cp_t *cp = j2k->cp;
762 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
763 opj_image_t *image = j2k->image;
765 len = cio_read(cio, 2); /* Lcod */
766 tcp->csty = cio_read(cio, 1); /* Scod */
767 tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */
768 tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */
769 tcp->mct = cio_read(cio, 1); /* SGcod (C) */
772 for (i = 0; i < image->numcomps; i++) {
773 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
775 j2k_read_cox(j2k, i);
779 if (j2k->cstr_info) {
780 opj_codestream_info_t *cstr_info = j2k->cstr_info;
781 cstr_info->prog = tcp->prg;
782 cstr_info->numlayers = tcp->numlayers;
783 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
784 for (i = 0; i < image->numcomps; i++) {
785 cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1;
790 static void j2k_write_coc(opj_j2k_t *j2k, int compno) {
793 opj_cp_t *cp = j2k->cp;
794 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
795 opj_image_t *image = j2k->image;
796 opj_cio_t *cio = j2k->cio;
798 cio_write(cio, J2K_MS_COC, 2); /* COC */
799 lenp = cio_tell(cio);
801 cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
802 cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */
803 j2k_write_cox(j2k, compno);
804 len = cio_tell(cio) - lenp;
806 cio_write(cio, len, 2); /* Lcoc */
807 cio_seek(cio, lenp + len);
810 static void j2k_read_coc(opj_j2k_t *j2k) {
813 opj_cp_t *cp = j2k->cp;
814 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
815 opj_image_t *image = j2k->image;
816 opj_cio_t *cio = j2k->cio;
818 len = cio_read(cio, 2); /* Lcoc */
819 compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */
820 tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */
821 j2k_read_cox(j2k, compno);
824 static void j2k_write_qcx(opj_j2k_t *j2k, int compno) {
825 int bandno, numbands;
828 opj_cp_t *cp = j2k->cp;
829 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
830 opj_tccp_t *tccp = &tcp->tccps[compno];
831 opj_cio_t *cio = j2k->cio;
833 cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
834 numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
836 for (bandno = 0; bandno < numbands; bandno++) {
837 expn = tccp->stepsizes[bandno].expn;
838 mant = tccp->stepsizes[bandno].mant;
840 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
841 cio_write(cio, expn << 3, 1); /* SPqcx_i */
843 cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */
848 static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) {
850 int bandno, numbands;
852 opj_cp_t *cp = j2k->cp;
853 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
854 opj_tccp_t *tccp = &tcp->tccps[compno];
855 opj_cio_t *cio = j2k->cio;
857 tmp = cio_read(cio, 1); /* Sqcx */
858 tccp->qntsty = tmp & 0x1f;
859 tccp->numgbits = tmp >> 5;
860 numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ?
861 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2);
864 if (j2k->cp->correct) {
866 /* if JPWL is on, we check whether there are too many subbands */
867 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
868 opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
869 "JPWL: bad number of subbands in Sqcx (%d)\n",
872 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
875 /* we try to correct */
877 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"
878 "- setting number of bands to %d => HYPOTHESIS!!!\n",
885 /* We check whether there are too many subbands */
886 if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) {
887 opj_event_msg(j2k->cinfo, EVT_WARNING ,
888 "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n"
889 "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS);
892 #endif /* USE_JPWL */
894 for (bandno = 0; bandno < numbands; bandno++) {
896 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
897 expn = cio_read(cio, 1) >> 3; /* SPqcx_i */
900 tmp = cio_read(cio, 2); /* SPqcx_i */
904 if (bandno < J2K_MAXBANDS){
905 tccp->stepsizes[bandno].expn = expn;
906 tccp->stepsizes[bandno].mant = mant;
910 /* Add Antonin : if scalar_derived -> compute other stepsizes */
911 if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
912 for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) {
913 tccp->stepsizes[bandno].expn =
914 ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ?
915 (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0;
916 tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant;
922 static void j2k_write_qcd(opj_j2k_t *j2k) {
925 opj_cio_t *cio = j2k->cio;
927 cio_write(cio, J2K_MS_QCD, 2); /* QCD */
928 lenp = cio_tell(cio);
930 j2k_write_qcx(j2k, 0);
931 len = cio_tell(cio) - lenp;
933 cio_write(cio, len, 2); /* Lqcd */
934 cio_seek(cio, lenp + len);
937 j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, lenp, len);
940 static void j2k_read_qcd(opj_j2k_t *j2k) {
943 opj_cio_t *cio = j2k->cio;
944 opj_image_t *image = j2k->image;
946 len = cio_read(cio, 2); /* Lqcd */
948 for (i = 0; i < image->numcomps; i++) {
950 j2k_read_qcx(j2k, i, len - 2);
954 static void j2k_write_qcc(opj_j2k_t *j2k, int compno) {
957 opj_cio_t *cio = j2k->cio;
959 cio_write(cio, J2K_MS_QCC, 2); /* QCC */
960 lenp = cio_tell(cio);
962 cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */
963 j2k_write_qcx(j2k, compno);
964 len = cio_tell(cio) - lenp;
966 cio_write(cio, len, 2); /* Lqcc */
967 cio_seek(cio, lenp + len);
970 static void j2k_read_qcc(opj_j2k_t *j2k) {
972 int numcomp = j2k->image->numcomps;
973 opj_cio_t *cio = j2k->cio;
975 len = cio_read(cio, 2); /* Lqcc */
976 compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */
979 if (j2k->cp->correct) {
981 static int backup_compno = 0;
983 /* compno is negative or larger than the number of components!!! */
984 if ((compno < 0) || (compno >= numcomp)) {
985 opj_event_msg(j2k->cinfo, EVT_ERROR,
986 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
989 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
992 /* we try to correct */
993 compno = backup_compno % numcomp;
994 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
995 "- setting component number to %d\n",
999 /* keep your private count of tiles */
1002 #endif /* USE_JPWL */
1004 j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2));
1007 static void j2k_write_poc(opj_j2k_t *j2k) {
1008 int len, numpchgs, i;
1010 int numcomps = j2k->image->numcomps;
1012 opj_cp_t *cp = j2k->cp;
1013 opj_tcp_t *tcp = &cp->tcps[j2k->curtileno];
1014 opj_tccp_t *tccp = &tcp->tccps[0];
1015 opj_cio_t *cio = j2k->cio;
1017 numpchgs = 1 + tcp->numpocs;
1018 cio_write(cio, J2K_MS_POC, 2); /* POC */
1019 len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs;
1020 cio_write(cio, len, 2); /* Lpoc */
1021 for (i = 0; i < numpchgs; i++) {
1022 opj_poc_t *poc = &tcp->pocs[i];
1023 cio_write(cio, poc->resno0, 1); /* RSpoc_i */
1024 cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
1025 cio_write(cio, poc->layno1, 2); /* LYEpoc_i */
1026 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
1027 cio_write(cio, poc->resno1, 1); /* REpoc_i */
1028 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
1029 cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
1030 poc->compno1 = int_min(poc->compno1, numcomps);
1031 cio_write(cio, poc->prg, 1); /* Ppoc_i */
1035 static void j2k_read_poc(opj_j2k_t *j2k) {
1036 int len, numpchgs, i, old_poc;
1038 int numcomps = j2k->image->numcomps;
1040 opj_cp_t *cp = j2k->cp;
1041 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1042 opj_cio_t *cio = j2k->cio;
1044 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
1046 len = cio_read(cio, 2); /* Lpoc */
1047 numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2));
1049 for (i = old_poc; i < numpchgs + old_poc; i++) {
1051 poc = &tcp->pocs[i];
1052 poc->resno0 = cio_read(cio, 1); /* RSpoc_i */
1053 poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */
1054 poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */
1055 poc->resno1 = cio_read(cio, 1); /* REpoc_i */
1056 poc->compno1 = int_min(
1057 cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */
1058 poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */
1061 tcp->numpocs = numpchgs + old_poc - 1;
1064 static void j2k_read_crg(opj_j2k_t *j2k) {
1065 int len, i, Xcrg_i, Ycrg_i;
1067 opj_cio_t *cio = j2k->cio;
1068 int numcomps = j2k->image->numcomps;
1070 len = cio_read(cio, 2); /* Lcrg */
1071 for (i = 0; i < numcomps; i++) {
1072 Xcrg_i = cio_read(cio, 2); /* Xcrg_i */
1073 Ycrg_i = cio_read(cio, 2); /* Ycrg_i */
1077 static void j2k_read_tlm(opj_j2k_t *j2k) {
1078 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
1079 long int Ttlm_i, Ptlm_i;
1081 opj_cio_t *cio = j2k->cio;
1083 len = cio_read(cio, 2); /* Ltlm */
1084 Ztlm = cio_read(cio, 1); /* Ztlm */
1085 Stlm = cio_read(cio, 1); /* Stlm */
1086 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
1087 SP = (Stlm >> 6) & 0x01;
1088 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
1089 for (i = 0; i < tile_tlm; i++) {
1090 Ttlm_i = cio_read(cio, ST); /* Ttlm_i */
1091 Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */
1095 static void j2k_read_plm(opj_j2k_t *j2k) {
1096 int len, i, Zplm, Nplm, add, packet_len = 0;
1098 opj_cio_t *cio = j2k->cio;
1100 len = cio_read(cio, 2); /* Lplm */
1101 Zplm = cio_read(cio, 1); /* Zplm */
1104 Nplm = cio_read(cio, 4); /* Nplm */
1106 for (i = Nplm; i > 0; i--) {
1107 add = cio_read(cio, 1);
1109 packet_len = (packet_len << 7) + add; /* Iplm_ij */
1110 if ((add & 0x80) == 0) {
1120 static void j2k_read_plt(opj_j2k_t *j2k) {
1121 int len, i, Zplt, packet_len = 0, add;
1123 opj_cio_t *cio = j2k->cio;
1125 len = cio_read(cio, 2); /* Lplt */
1126 Zplt = cio_read(cio, 1); /* Zplt */
1127 for (i = len - 3; i > 0; i--) {
1128 add = cio_read(cio, 1);
1129 packet_len = (packet_len << 7) + add; /* Iplt_i */
1130 if ((add & 0x80) == 0) {
1137 static void j2k_read_ppm(opj_j2k_t *j2k) {
1138 int len, Z_ppm, i, j;
1141 opj_cp_t *cp = j2k->cp;
1142 opj_cio_t *cio = j2k->cio;
1144 len = cio_read(cio, 2);
1147 Z_ppm = cio_read(cio, 1); /* Z_ppm */
1150 if (cp->ppm_previous == 0) {
1151 N_ppm = cio_read(cio, 4); /* N_ppm */
1154 N_ppm = cp->ppm_previous;
1157 if (Z_ppm == 0) { /* First PPM marker */
1158 cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char));
1159 cp->ppm_data_first = cp->ppm_data;
1160 cp->ppm_len = N_ppm;
1161 } else { /* NON-first PPM marker */
1162 cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char));
1165 /* this memory allocation check could be done even in non-JPWL cases */
1167 if (!cp->ppm_data) {
1168 opj_event_msg(j2k->cinfo, EVT_ERROR,
1169 "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n",
1171 if (!JPWL_ASSUME || JPWL_ASSUME) {
1172 opj_free(cp->ppm_data);
1173 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1180 cp->ppm_data_first = cp->ppm_data;
1181 cp->ppm_len = N_ppm + cp->ppm_store;
1183 for (i = N_ppm; i > 0; i--) { /* Read packet header */
1184 cp->ppm_data[j] = cio_read(cio, 1);
1188 break; /* Case of non-finished packet header in present marker but finished in next one */
1190 cp->ppm_previous = i - 1;
1195 static void j2k_read_ppt(opj_j2k_t *j2k) {
1196 int len, Z_ppt, i, j = 0;
1198 opj_cp_t *cp = j2k->cp;
1199 opj_tcp_t *tcp = cp->tcps + j2k->curtileno;
1200 opj_cio_t *cio = j2k->cio;
1202 len = cio_read(cio, 2);
1203 Z_ppt = cio_read(cio, 1);
1205 if (Z_ppt == 0) { /* First PPT marker */
1206 tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char));
1207 tcp->ppt_data_first = tcp->ppt_data;
1209 tcp->ppt_len = len - 3;
1210 } else { /* NON-first PPT marker */
1211 tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char));
1212 tcp->ppt_data_first = tcp->ppt_data;
1213 tcp->ppt_len = len - 3 + tcp->ppt_store;
1216 for (i = len - 3; i > 0; i--) {
1217 tcp->ppt_data[j] = cio_read(cio, 1);
1223 static void j2k_write_tlm(opj_j2k_t *j2k){
1225 opj_cio_t *cio = j2k->cio;
1226 j2k->tlm_start = cio_tell(cio);
1227 cio_write(cio, J2K_MS_TLM, 2);/* TLM */
1228 lenp = 4 + (5*j2k->totnum_tp);
1229 cio_write(cio,lenp,2); /* Ltlm */
1230 cio_write(cio, 0,1); /* Ztlm=0*/
1231 cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
1232 cio_skip(cio,5*j2k->totnum_tp);
1235 static void j2k_write_sot(opj_j2k_t *j2k) {
1238 opj_cio_t *cio = j2k->cio;
1240 j2k->sot_start = cio_tell(cio);
1241 cio_write(cio, J2K_MS_SOT, 2); /* SOT */
1242 lenp = cio_tell(cio);
1243 cio_skip(cio, 2); /* Lsot (further) */
1244 cio_write(cio, j2k->curtileno, 2); /* Isot */
1245 cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */
1246 cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */
1247 cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */
1248 len = cio_tell(cio) - lenp;
1249 cio_seek(cio, lenp);
1250 cio_write(cio, len, 2); /* Lsot */
1251 cio_seek(cio, lenp + len);
1255 /* update markers struct */
1256 j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2);
1257 #endif /* USE_JPWL */
1260 if( j2k->cstr_info && j2k->cur_tp_num==0){
1261 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len);
1265 static void j2k_read_sot(opj_j2k_t *j2k) {
1266 int len, tileno, totlen, partno, numparts, i;
1267 opj_tcp_t *tcp = NULL;
1270 opj_cp_t *cp = j2k->cp;
1271 opj_cio_t *cio = j2k->cio;
1273 len = cio_read(cio, 2);
1274 tileno = cio_read(cio, 2);
1277 if (j2k->cp->correct) {
1279 static int backup_tileno = 0;
1281 /* tileno is negative or larger than the number of tiles!!! */
1282 if ((tileno < 0) || (tileno > (cp->tw * cp->th))) {
1283 opj_event_msg(j2k->cinfo, EVT_ERROR,
1284 "JPWL: bad tile number (%d out of a maximum of %d)\n",
1285 tileno, (cp->tw * cp->th));
1287 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1290 /* we try to correct */
1291 tileno = backup_tileno;
1292 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1293 "- setting tile number to %d\n",
1297 /* keep your private count of tiles */
1300 #endif /* USE_JPWL */
1302 if (cp->tileno_size == 0) {
1303 cp->tileno[cp->tileno_size] = tileno;
1307 while (i < cp->tileno_size && status == 0) {
1308 status = cp->tileno[i] == tileno ? 1 : 0;
1312 cp->tileno[cp->tileno_size] = tileno;
1317 totlen = cio_read(cio, 4);
1320 if (j2k->cp->correct) {
1322 /* totlen is negative or larger than the bytes left!!! */
1323 if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) {
1324 opj_event_msg(j2k->cinfo, EVT_ERROR,
1325 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
1326 totlen, cio_numbytesleft(cio) + 8);
1328 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1331 /* we try to correct */
1333 opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"
1334 "- setting Psot to %d => assuming it is the last tile\n",
1339 #endif /* USE_JPWL */
1342 totlen = cio_numbytesleft(cio) + 8;
1344 partno = cio_read(cio, 1);
1345 numparts = cio_read(cio, 1);
1347 if (partno >= numparts) {
1348 opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater (%d) than number of tile-parts (%d)\n", tileno, partno, numparts);
1349 numparts = partno+1;
1352 j2k->curtileno = tileno;
1353 j2k->cur_tp_num = partno;
1354 j2k->eot = cio_getbp(cio) - 12 + totlen;
1355 j2k->state = J2K_STATE_TPH;
1356 tcp = &cp->tcps[j2k->curtileno];
1359 if (j2k->cstr_info) {
1362 j2k->cstr_info->main_head_end = cio_tell(cio) - 13;
1363 j2k->cstr_info->tile[tileno].tileno = tileno;
1364 j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12;
1365 j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
1367 j2k->cstr_info->tile[tileno].end_pos += totlen;
1369 j2k->cstr_info->tile[tileno].num_tps = numparts;
1371 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t));
1373 j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc(j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); /* Fixme (10)*/
1374 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12;
1375 j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
1376 j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
1379 if (tcp->first == 1) {
1380 /* Initialization PPT */
1381 opj_tccp_t *tmp = tcp->tccps;
1382 memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t));
1384 tcp->ppt_data = NULL;
1385 tcp->ppt_data_first = NULL;
1388 for (i = 0; i < j2k->image->numcomps; i++) {
1389 tcp->tccps[i] = j2k->default_tcp->tccps[i];
1391 cp->tcps[j2k->curtileno].first = 0;
1395 static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) {
1398 opj_tcp_t *tcp = NULL;
1399 opj_codestream_info_t *cstr_info = NULL;
1401 opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */
1402 opj_cp_t *cp = j2k->cp;
1403 opj_cio_t *cio = j2k->cio;
1405 tcd->tp_num = j2k->tp_num ;
1406 tcd->cur_tp_num = j2k->cur_tp_num;
1408 cio_write(cio, J2K_MS_SOD, 2);
1410 if( j2k->cstr_info && j2k->cur_tp_num==0){
1411 j2k_add_tlmarker( j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0);
1414 if (j2k->curtileno == 0) {
1415 j2k->sod_start = cio_tell(cio) + j2k->pos_correction;
1419 cstr_info = j2k->cstr_info;
1421 if (!j2k->cur_tp_num ) {
1422 cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1423 j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno;
1426 if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio))
1427 cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio);
1431 /* update markers struct */
1432 j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2);
1433 #endif /* USE_JPWL */
1438 tcp = &cp->tcps[j2k->curtileno];
1439 for (layno = 0; layno < tcp->numlayers; layno++) {
1440 if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) {
1441 tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw));
1442 } else if (tcp->rates[layno]) {
1443 tcp->rates[layno]=1;
1446 if(j2k->cur_tp_num == 0){
1447 tcd->tcd_image->tiles->packno = 0;
1449 cstr_info->packno = 0;
1452 l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info);
1454 /* Writing Psot in SOT marker */
1455 totlen = cio_tell(cio) + l - j2k->sot_start;
1456 cio_seek(cio, j2k->sot_start + 6);
1457 cio_write(cio, totlen, 4);
1458 cio_seek(cio, j2k->sot_start + totlen);
1459 /* Writing Ttlm and Ptlm in TLM marker */
1461 cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num));
1462 cio_write(cio, j2k->curtileno, 1);
1463 cio_write(cio, totlen, 4);
1465 cio_seek(cio, j2k->sot_start + totlen);
1468 static void j2k_read_sod(opj_j2k_t *j2k) {
1469 int len, truncate = 0, i;
1470 unsigned char *data = NULL, *data_ptr = NULL;
1472 opj_cio_t *cio = j2k->cio;
1473 int curtileno = j2k->curtileno;
1476 if (j2k->cstr_info) {
1477 j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
1478 cio_tell(cio) + j2k->pos_correction - 1;
1479 if (j2k->cur_tp_num == 0)
1480 j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1;
1481 j2k->cstr_info->packno = 0;
1484 len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1);
1486 if (len == cio_numbytesleft(cio) + 1) {
1487 truncate = 1; /* Case of a truncate codestream */
1490 {/* chop padding bytes: */
1491 unsigned char *s, *e;
1496 if(len > 8) s = e - 8;
1498 if(e[-2] == 0x00 && e[-1] == 0x00) /* padding bytes */
1502 if(e[-2] == 0xff && e[-1] == 0xd9) break;
1503 --len; --e; truncate = 1;
1508 data = j2k->tile_data[curtileno];
1509 data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char));
1511 data_ptr = data + j2k->tile_len[curtileno];
1512 for (i = 0; i < len; i++) {
1513 data_ptr[i] = cio_read(cio, 1);
1516 j2k->tile_len[curtileno] += len;
1517 j2k->tile_data[curtileno] = data;
1520 j2k->state = J2K_STATE_TPHSOT;
1522 j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */
1527 static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) {
1528 opj_cp_t *cp = j2k->cp;
1529 opj_tcp_t *tcp = &cp->tcps[tileno];
1530 opj_cio_t *cio = j2k->cio;
1531 int numcomps = j2k->image->numcomps;
1533 cio_write(cio, J2K_MS_RGN, 2); /* RGN */
1534 cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
1535 cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */
1536 cio_write(cio, 0, 1); /* Srgn */
1537 cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */
1540 static void j2k_read_rgn(opj_j2k_t *j2k) {
1541 int len, compno, roisty;
1543 opj_cp_t *cp = j2k->cp;
1544 opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp;
1545 opj_cio_t *cio = j2k->cio;
1546 int numcomps = j2k->image->numcomps;
1548 len = cio_read(cio, 2); /* Lrgn */
1549 compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */
1550 roisty = cio_read(cio, 1); /* Srgn */
1553 if (j2k->cp->correct) {
1554 /* totlen is negative or larger than the bytes left!!! */
1555 if (compno >= numcomps) {
1556 opj_event_msg(j2k->cinfo, EVT_ERROR,
1557 "JPWL: bad component number in RGN (%d when there are only %d)\n",
1559 if (!JPWL_ASSUME || JPWL_ASSUME) {
1560 opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n");
1565 #endif /* USE_JPWL */
1567 tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */
1570 static void j2k_write_eoc(opj_j2k_t *j2k) {
1571 opj_cio_t *cio = j2k->cio;
1572 /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */
1573 cio_write(cio, J2K_MS_EOC, 2);
1577 /* update markers struct */
1578 j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2);
1579 #endif /* USE_JPWL */
1583 static void j2k_read_eoc(opj_j2k_t *j2k) {
1587 /* if packets should be decoded */
1588 if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) {
1589 opj_tcd_t *tcd = tcd_create(j2k->cinfo);
1590 tcd_malloc_decode(tcd, j2k->image, j2k->cp);
1591 for (i = 0; i < j2k->cp->tileno_size; i++) {
1592 tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info);
1593 tileno = j2k->cp->tileno[i];
1594 success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info);
1595 opj_free(j2k->tile_data[tileno]);
1596 j2k->tile_data[tileno] = NULL;
1597 tcd_free_decode_tile(tcd, i);
1598 if (success == OPJ_FALSE) {
1599 j2k->state |= J2K_STATE_ERR;
1603 tcd_free_decode(tcd);
1606 /* if packets should not be decoded */
1608 for (i = 0; i < j2k->cp->tileno_size; i++) {
1609 tileno = j2k->cp->tileno[i];
1610 opj_free(j2k->tile_data[tileno]);
1611 j2k->tile_data[tileno] = NULL;
1614 if (j2k->state & J2K_STATE_ERR)
1615 j2k->state = J2K_STATE_MT + J2K_STATE_ERR;
1617 j2k->state = J2K_STATE_MT;
1620 typedef struct opj_dec_mstabent {
1623 /** value of the state when the marker can appear */
1625 /** action linked to the marker */
1626 void (*handler) (opj_j2k_t *j2k);
1627 } opj_dec_mstabent_t;
1629 opj_dec_mstabent_t j2k_dec_mstab[] = {
1630 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1631 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1632 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1633 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1634 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1635 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1636 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1637 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1638 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1639 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1640 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1641 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1642 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1643 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1644 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1645 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1647 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1648 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1651 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1652 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1653 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1654 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1655 #endif /* USE_JPWL */
1657 {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec},
1658 {J2K_MS_INSEC, 0, j2k_read_insec},
1659 #endif /* USE_JPSEC */
1661 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1664 static void j2k_read_unk(opj_j2k_t *j2k) {
1665 opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n");
1668 if (j2k->cp->correct) {
1670 int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id;
1671 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1672 id = cio_read(j2k->cio, 2);
1673 opj_event_msg(j2k->cinfo, EVT_ERROR,
1674 "JPWL: really don't know this marker %x\n",
1677 opj_event_msg(j2k->cinfo, EVT_ERROR,
1678 "- possible synch loss due to uncorrectable codestream errors => giving up\n");
1681 /* OK, activate this at your own risk!!! */
1682 /* we look for the marker at the minimum hamming distance from this */
1683 while (j2k_dec_mstab[m].id) {
1685 /* 1's where they differ */
1686 tmp_id = j2k_dec_mstab[m].id ^ id;
1688 /* compute the hamming distance between our id and the current */
1690 for (i = 0; i < 16; i++) {
1691 if ((tmp_id >> i) & 0x0001) {
1696 /* if current distance is smaller, set the minimum */
1697 if (cur_dist < min_dist) {
1698 min_dist = cur_dist;
1699 min_id = j2k_dec_mstab[m].id;
1702 /* jump to the next marker */
1706 /* do we substitute the marker? */
1707 if (min_dist < JPWL_MAXIMUM_HAMMING) {
1708 opj_event_msg(j2k->cinfo, EVT_ERROR,
1709 "- marker %x is at distance %d from the read %x\n",
1710 min_id, min_dist, id);
1711 opj_event_msg(j2k->cinfo, EVT_ERROR,
1712 "- trying to substitute in place and crossing fingers!\n");
1713 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1714 cio_write(j2k->cio, min_id, 2);
1717 cio_seek(j2k->cio, cio_tell(j2k->cio) - 2);
1722 #endif /* USE_JPWL */
1727 Read the lookup table containing all the marker, status and action
1728 @param id Marker value
1730 static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) {
1731 opj_dec_mstabent_t *e;
1732 for (e = j2k_dec_mstab; e->id != 0; e++) {
1740 /* ----------------------------------------------------------------------- */
1741 /* J2K / JPT decoder interface */
1742 /* ----------------------------------------------------------------------- */
1744 opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) {
1745 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
1749 j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t));
1750 if(!j2k->default_tcp) {
1756 j2k->tile_data = NULL;
1761 void j2k_destroy_decompress(opj_j2k_t *j2k) {
1764 if(j2k->tile_len != NULL) {
1765 opj_free(j2k->tile_len);
1767 if(j2k->tile_data != NULL) {
1768 if(j2k->cp != NULL) {
1769 for (i = 0; i < j2k->cp->tileno_size; i++) {
1770 int tileno = j2k->cp->tileno[i];
1771 opj_free(j2k->tile_data[tileno]);
1772 j2k->tile_data[tileno] = NULL;
1776 opj_free(j2k->tile_data);
1778 if(j2k->default_tcp != NULL) {
1779 opj_tcp_t *default_tcp = j2k->default_tcp;
1780 if(default_tcp->ppt_data_first != NULL) {
1781 opj_free(default_tcp->ppt_data_first);
1783 if(j2k->default_tcp->tccps != NULL) {
1784 opj_free(j2k->default_tcp->tccps);
1786 opj_free(j2k->default_tcp);
1788 if(j2k->cp != NULL) {
1789 opj_cp_t *cp = j2k->cp;
1790 if(cp->tcps != NULL) {
1791 for(i = 0; i < cp->tw * cp->th; i++) {
1792 if(cp->tcps[i].ppt_data_first != NULL) {
1793 opj_free(cp->tcps[i].ppt_data_first);
1795 if(cp->tcps[i].tccps != NULL) {
1796 opj_free(cp->tcps[i].tccps);
1801 if(cp->ppm_data_first != NULL) {
1802 opj_free(cp->ppm_data_first);
1804 if(cp->tileno != NULL) {
1805 opj_free(cp->tileno);
1807 if(cp->comment != NULL) {
1808 opj_free(cp->comment);
1816 void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) {
1817 if(j2k && parameters) {
1818 /* create and initialize the coding parameters structure */
1819 opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
1820 cp->reduce = parameters->cp_reduce;
1821 cp->layer = parameters->cp_layer;
1822 cp->limit_decoding = parameters->cp_limit_decoding;
1825 cp->correct = parameters->jpwl_correct;
1826 cp->exp_comps = parameters->jpwl_exp_comps;
1827 cp->max_tiles = parameters->jpwl_max_tiles;
1828 #endif /* USE_JPWL */
1831 /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */
1836 opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1837 opj_image_t *image = NULL;
1839 opj_common_ptr cinfo = j2k->cinfo;
1842 j2k->cstr_info = cstr_info;
1844 memset(cstr_info, 0, sizeof(opj_codestream_info_t));
1846 /* create an empty image */
1847 image = opj_image_create0();
1850 j2k->state = J2K_STATE_MHSOC;
1853 opj_dec_mstabent_t *e;
1854 int id = cio_read(cio, 2);
1857 /* we try to honor JPWL correction power */
1858 if (j2k->cp->correct) {
1860 int orig_pos = cio_tell(cio);
1863 /* call the corrector */
1864 status = jpwl_correct(j2k);
1866 /* go back to where you were */
1867 cio_seek(cio, orig_pos - 2);
1869 /* re-read the marker */
1870 id = cio_read(cio, 2);
1872 /* check whether it begins with ff */
1873 if (id >> 8 != 0xff) {
1874 opj_event_msg(cinfo, EVT_ERROR,
1875 "JPWL: possible bad marker %x at %d\n",
1876 id, cio_tell(cio) - 2);
1878 opj_image_destroy(image);
1879 opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n");
1882 /* we try to correct */
1884 cio_seek(cio, cio_tell(cio) - 2);
1885 cio_write(cio, id, 2);
1886 opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n"
1887 "- setting marker to %x\n",
1892 #endif /* USE_JPWL */
1894 if (id >> 8 != 0xff) {
1895 if(cio_numbytesleft(cio) != 0) /* not end of file reached and no EOC */
1897 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1898 opj_image_destroy(image);
1901 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
1902 j2k->state = J2K_STATE_NEOC;
1905 e = j2k_dec_mstab_lookup(id);
1906 /* Check if the marker is known*/
1907 if (!(j2k->state & e->states)) {
1908 opj_image_destroy(image);
1909 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
1912 /* Check if the decoding is limited to the main header*/
1913 if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) {
1914 opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n");
1921 if (j2k->state & J2K_STATE_ERR)
1923 opj_image_destroy(image);
1927 if (j2k->state == J2K_STATE_MT) {
1930 if (j2k->state == J2K_STATE_NEOC) {
1934 if (j2k->state == J2K_STATE_NEOC) {
1938 if (j2k->state != J2K_STATE_MT) {
1939 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
1945 * Read a JPT-stream and decode file
1948 opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
1949 opj_image_t *image = NULL;
1950 opj_jpt_msg_header_t header;
1952 opj_common_ptr cinfo = j2k->cinfo;
1954 OPJ_ARG_NOT_USED(cstr_info);
1958 /* create an empty image */
1959 image = opj_image_create0();
1962 j2k->state = J2K_STATE_MHSOC;
1964 /* Initialize the header */
1965 jpt_init_msg_header(&header);
1966 /* Read the first header of the message */
1967 jpt_read_msg_header(cinfo, cio, &header);
1969 position = cio_tell(cio);
1970 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1971 opj_image_destroy(image);
1972 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id);
1977 opj_dec_mstabent_t *e = NULL;
1980 if (!cio_numbytesleft(cio)) {
1984 /* data-bin read -> need to read a new header */
1985 if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) {
1986 jpt_read_msg_header(cinfo, cio, &header);
1987 position = cio_tell(cio);
1988 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1989 opj_image_destroy(image);
1990 opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n");
1995 id = cio_read(cio, 2);
1996 if (id >> 8 != 0xff) {
1997 if(cio_numbytesleft(cio) != 0) /* no end of file reached and no EOC */
1999 opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2000 opj_image_destroy(image);
2003 opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id);
2004 j2k->state = J2K_STATE_NEOC;
2007 e = j2k_dec_mstab_lookup(id);
2008 if (!(j2k->state & e->states)) {
2009 opj_image_destroy(image);
2010 opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id);
2016 if (j2k->state == J2K_STATE_MT) {
2019 if (j2k->state == J2K_STATE_NEOC) {
2023 if (j2k->state == J2K_STATE_NEOC) {
2027 if (j2k->state != J2K_STATE_MT) {
2028 opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n");
2034 /* ----------------------------------------------------------------------- */
2035 /* J2K encoder interface */
2036 /* ----------------------------------------------------------------------- */
2038 opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) {
2039 opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
2046 void j2k_destroy_compress(opj_j2k_t *j2k) {
2050 if(j2k->cp != NULL) {
2051 opj_cp_t *cp = j2k->cp;
2054 opj_free(cp->comment);
2057 opj_free(cp->matrice);
2059 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2060 opj_free(cp->tcps[tileno].tccps);
2069 void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) {
2070 int i, j, tileno, numpocs_tile;
2071 opj_cp_t *cp = NULL;
2073 if(!j2k || !parameters || ! image) {
2077 /* create and initialize the coding parameters structure */
2078 cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t));
2080 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
2083 /* set default values for cp */
2088 copy user encoding parameters
2090 cp->cinema = parameters->cp_cinema;
2091 cp->max_comp_size = parameters->max_comp_size;
2092 cp->rsiz = parameters->cp_rsiz;
2093 cp->disto_alloc = parameters->cp_disto_alloc;
2094 cp->fixed_alloc = parameters->cp_fixed_alloc;
2095 cp->fixed_quality = parameters->cp_fixed_quality;
2097 /* mod fixed_quality */
2098 if(parameters->cp_matrice) {
2099 size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int);
2100 cp->matrice = (int *) opj_malloc(array_size);
2101 memcpy(cp->matrice, parameters->cp_matrice, array_size);
2105 cp->tdx = parameters->cp_tdx;
2106 cp->tdy = parameters->cp_tdy;
2109 cp->tx0 = parameters->cp_tx0;
2110 cp->ty0 = parameters->cp_ty0;
2112 /* comment string */
2113 if(parameters->cp_comment) {
2114 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1);
2116 strcpy(cp->comment, parameters->cp_comment);
2121 calculate other encoding parameters
2124 if (parameters->tile_size_on) {
2125 cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
2126 cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
2128 cp->tdx = image->x1 - cp->tx0;
2129 cp->tdy = image->y1 - cp->ty0;
2132 if(parameters->tp_on){
2133 cp->tp_flag = parameters->tp_flag;
2138 for(i=0;i<image->numcomps ;i++){
2139 cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec);
2145 calculate JPWL encoding parameters
2148 if (parameters->jpwl_epc_on) {
2152 cp->epc_on = OPJ_TRUE;
2153 cp->info_on = OPJ_FALSE; /* no informative technique */
2156 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
2157 cp->epb_on = OPJ_TRUE;
2159 cp->hprot_MH = parameters->jpwl_hprot_MH;
2160 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2161 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
2162 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
2164 /* if tile specs are not specified, copy MH specs */
2165 if (cp->hprot_TPH[0] == -1) {
2166 cp->hprot_TPH_tileno[0] = 0;
2167 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
2169 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
2170 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
2171 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
2172 cp->pprot[i] = parameters->jpwl_pprot[i];
2176 /* set ESD writing */
2177 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
2178 cp->esd_on = OPJ_TRUE;
2180 cp->sens_size = parameters->jpwl_sens_size;
2181 cp->sens_addr = parameters->jpwl_sens_addr;
2182 cp->sens_range = parameters->jpwl_sens_range;
2184 cp->sens_MH = parameters->jpwl_sens_MH;
2185 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
2186 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
2187 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
2191 /* always set RED writing to false: we are at the encoder */
2192 cp->red_on = OPJ_FALSE;
2195 cp->epc_on = OPJ_FALSE;
2197 #endif /* USE_JPWL */
2200 /* initialize the mutiple tiles */
2201 /* ---------------------------- */
2202 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
2204 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2205 opj_tcp_t *tcp = &cp->tcps[tileno];
2206 tcp->numlayers = parameters->tcp_numlayers;
2207 for (j = 0; j < tcp->numlayers; j++) {
2209 if (cp->fixed_quality) {
2210 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2212 tcp->rates[j] = parameters->tcp_rates[j];
2214 if (cp->fixed_quality) { /* add fixed_quality */
2215 tcp->distoratio[j] = parameters->tcp_distoratio[j];
2217 tcp->rates[j] = parameters->tcp_rates[j];
2221 tcp->csty = parameters->csty;
2222 tcp->prg = parameters->prog_order;
2223 tcp->mct = parameters->tcp_mct;
2227 if (parameters->numpocs) {
2228 /* initialisation of POC */
2230 for (i = 0; i < parameters->numpocs; i++) {
2231 if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) {
2232 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
2233 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
2234 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
2235 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
2236 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
2237 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
2238 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
2239 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
2243 tcp->numpocs = numpocs_tile -1 ;
2248 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
2250 for (i = 0; i < image->numcomps; i++) {
2251 opj_tccp_t *tccp = &tcp->tccps[i];
2252 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
2253 tccp->numresolutions = parameters->numresolution;
2254 tccp->cblkw = int_floorlog2(parameters->cblockw_init);
2255 tccp->cblkh = int_floorlog2(parameters->cblockh_init);
2256 tccp->cblksty = parameters->mode;
2257 tccp->qmfbid = parameters->irreversible ? 0 : 1;
2258 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
2260 if (i == parameters->roi_compno) {
2261 tccp->roishift = parameters->roi_shift;
2266 if(parameters->cp_cinema)
2268 /*Precinct size for lowest frequency subband=128*/
2271 /*Precinct size at all other resolutions = 256*/
2272 for (j = 1; j < tccp->numresolutions; j++) {
2277 if (parameters->csty & J2K_CCP_CSTY_PRT) {
2279 for (j = tccp->numresolutions - 1; j >= 0; j--) {
2280 if (p < parameters->res_spec) {
2282 if (parameters->prcw_init[p] < 1) {
2285 tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]);
2288 if (parameters->prch_init[p] < 1) {
2291 tccp->prch[j] = int_floorlog2(parameters->prch_init[p]);
2295 int res_spec = parameters->res_spec;
2296 int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
2297 int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
2299 if (size_prcw < 1) {
2302 tccp->prcw[j] = int_floorlog2(size_prcw);
2305 if (size_prch < 1) {
2308 tccp->prch[j] = int_floorlog2(size_prch);
2312 /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */
2315 for (j = 0; j < tccp->numresolutions; j++) {
2322 dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
2327 opj_bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
2329 opj_cp_t *cp = NULL;
2331 opj_tcd_t *tcd = NULL; /* TCD component */
2339 j2k->cstr_info = cstr_info;
2342 cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t));
2343 cstr_info->image_w = image->x1 - image->x0;
2344 cstr_info->image_h = image->y1 - image->y0;
2345 cstr_info->prog = (&cp->tcps[0])->prg;
2346 cstr_info->tw = cp->tw;
2347 cstr_info->th = cp->th;
2348 cstr_info->tile_x = cp->tdx; /* new version parser */
2349 cstr_info->tile_y = cp->tdy; /* new version parser */
2350 cstr_info->tile_Ox = cp->tx0; /* new version parser */
2351 cstr_info->tile_Oy = cp->ty0; /* new version parser */
2352 cstr_info->numcomps = image->numcomps;
2353 cstr_info->numlayers = (&cp->tcps[0])->numlayers;
2354 cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int));
2355 for (compno=0; compno < image->numcomps; compno++) {
2356 cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1;
2358 cstr_info->D_max = 0.0; /* ADD Marcela */
2359 cstr_info->main_head_start = cio_tell(cio); /* position of SOC */
2360 cstr_info->maxmarknum = 100;
2361 cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t));
2362 cstr_info->marknum = 0;
2372 for (compno = 1; compno < image->numcomps; compno++) {
2373 j2k_write_coc(j2k, compno);
2374 j2k_write_qcc(j2k, compno);
2378 for (compno = 0; compno < image->numcomps; compno++) {
2379 opj_tcp_t *tcp = &cp->tcps[0];
2380 if (tcp->tccps[compno].roishift)
2381 j2k_write_rgn(j2k, compno, 0);
2383 if (cp->comment != NULL) {
2387 j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k);
2391 if (cp->cinema == CINEMA4K_24) {
2396 /* uncomment only for testing JPSEC marker writing */
2397 /* j2k_write_sec(j2k); */
2401 cstr_info->main_head_end = cio_tell(cio) - 1;
2404 /**** Main Header ENDS here ***/
2406 /* create the tile encoder */
2407 tcd = tcd_create(j2k->cinfo);
2409 /* encode each tile */
2410 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
2414 int acc_pack_num = 0;
2418 opj_tcp_t *tcp = &cp->tcps[tileno];
2419 opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th);
2421 j2k->curtileno = tileno;
2422 j2k->cur_tp_num = 0;
2423 tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno];
2424 /* initialisation before tile encoding */
2426 tcd_malloc_encode(tcd, image, cp, j2k->curtileno);
2428 tcd_init_encode(tcd, image, cp, j2k->curtileno);
2433 cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction;
2434 cstr_info->tile[j2k->curtileno].maxmarknum = 10;
2435 cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc(cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t));
2436 cstr_info->tile[j2k->curtileno].marknum = 0;
2440 for(pino = 0; pino <= tcp->numpocs; pino++) {
2444 /*Get number of tile parts*/
2445 tot_num_tp = j2k_get_num_tp(cp,pino,tileno);
2446 tcd->tp_pos = cp->tp_pos;
2448 for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){
2449 j2k->tp_num = tilepartno;
2452 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos =
2453 cio_tell(cio) + j2k->pos_correction;
2457 if(j2k->cur_tp_num == 0 && cp->cinema == 0){
2458 for (compno = 1; compno < image->numcomps; compno++) {
2459 j2k_write_coc(j2k, compno);
2460 j2k_write_qcc(j2k, compno);
2462 if (cp->tcps[tileno].numpocs) {
2469 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header =
2470 cio_tell(cio) + j2k->pos_correction + 1;
2473 j2k_write_sod(j2k, tcd);
2477 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos =
2478 cio_tell(cio) + j2k->pos_correction - 1;
2479 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack =
2481 cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks =
2482 cstr_info->packno - acc_pack_num;
2483 acc_pack_num = cstr_info->packno;
2491 cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1;
2496 if (tile->PPT) { // BAD PPT !!!
2499 PPT_file=fopen("PPT","rb");
2500 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
2501 for (i=0;i<tile->len_ppt;i++) {
2503 fread(&elmt, 1, 1, PPT_file);
2504 fwrite(&elmt,1,1,f);
2513 /* destroy the tile encoder */
2514 tcd_free_encode(tcd);
2517 opj_free(j2k->cur_totnum_tp);
2522 cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction;
2524 /* The following adjustment is done to adjust the codestream size */
2525 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
2526 /* the first bunch of bytes is not in the codestream */
2527 cstr_info->codestream_size -= cstr_info->main_head_start;
2533 preparation of JPWL marker segments
2537 /* encode according to JPWL */
2538 jpwl_encode(j2k, cio, image);
2541 #endif /* USE_JPWL */
2546 static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2551 /* expand the list? */
2552 if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
2553 cstr_info->maxmarknum = 100 + (int) ((float) cstr_info->maxmarknum * 1.0F);
2554 cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum);
2557 /* add the marker */
2558 cstr_info->marker[cstr_info->marknum].type = type;
2559 cstr_info->marker[cstr_info->marknum].pos = pos;
2560 cstr_info->marker[cstr_info->marknum].len = len;
2561 cstr_info->marknum++;
2565 static void j2k_add_tlmarker( int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
2567 opj_marker_info_t *marker;
2572 /* expand the list? */
2573 if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) {
2574 cstr_info->tile[tileno].maxmarknum = 100 + (int) ((float) cstr_info->tile[tileno].maxmarknum * 1.0F);
2575 cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc(cstr_info->tile[tileno].marker, cstr_info->maxmarknum);
2578 marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]);
2580 /* add the marker */
2581 marker->type = type;
2584 cstr_info->tile[tileno].marknum++;