2 * Copyright (c) 2001-2002, David Janssens
3 * Copyright (c) 2002-2004, Yannick Verschueren
4 * Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
42 #define J2K_MS_SOC 0xff4f
43 #define J2K_MS_SOT 0xff90
44 #define J2K_MS_SOD 0xff93
45 #define J2K_MS_EOC 0xffd9
46 #define J2K_MS_SIZ 0xff51
47 #define J2K_MS_COD 0xff52
48 #define J2K_MS_COC 0xff53
49 #define J2K_MS_RGN 0xff5e
50 #define J2K_MS_QCD 0xff5c
51 #define J2K_MS_QCC 0xff5d
52 #define J2K_MS_POC 0xff5f
53 #define J2K_MS_TLM 0xff55
54 #define J2K_MS_PLM 0xff57
55 #define J2K_MS_PLT 0xff58
56 #define J2K_MS_PPM 0xff60
57 #define J2K_MS_PPT 0xff61
58 #define J2K_MS_SOP 0xff91
59 #define J2K_MS_EPH 0xff92
60 #define J2K_MS_CRG 0xff63
61 #define J2K_MS_COM 0xff64
63 #define J2K_STATE_MHSOC 0x0001
64 #define J2K_STATE_MHSIZ 0x0002
65 #define J2K_STATE_MH 0x0004
66 #define J2K_STATE_TPHSOT 0x0008
67 #define J2K_STATE_TPH 0x0010
68 #define J2K_STATE_MT 0x0020
69 #define J2K_STATE_NEOC 0x0040
75 static int j2k_curtileno;
76 static j2k_tcp_t j2k_default_tcp;
77 static unsigned char *j2k_eot;
78 static int j2k_sot_start;
79 static int pos_correction;
81 static j2k_image_t *j2k_img;
82 static j2k_cp_t *j2k_cp;
84 static unsigned char **j2k_tile_data;
85 static int *j2k_tile_len;
87 static info_image info_IM;
93 tcd_free_encode(j2k_img, j2k_cp, j2k_curtileno);
95 if (info_IM.index_on) {
96 for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
97 free(info_IM.tile[tileno].packet);
105 void j2k_dump_image(j2k_image_t * img)
108 fprintf(stderr, "image {\n");
109 fprintf(stderr, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0,
111 fprintf(stderr, " numcomps=%d\n", img->numcomps);
112 for (compno = 0; compno < img->numcomps; compno++) {
113 j2k_comp_t *comp = &img->comps[compno];
114 fprintf(stderr, " comp %d {\n", compno);
115 fprintf(stderr, " dx=%d, dy=%d\n", comp->dx, comp->dy);
116 fprintf(stderr, " prec=%d\n", comp->prec);
117 fprintf(stderr, " sgnd=%d\n", comp->sgnd);
118 fprintf(stderr, " }\n");
120 fprintf(stderr, "}\n");
123 void j2k_dump_cp(j2k_image_t * img, j2k_cp_t * cp)
125 int tileno, compno, layno, bandno, resno, numbands;
126 fprintf(stderr, "coding parameters {\n");
127 fprintf(stderr, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0);
128 fprintf(stderr, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy);
129 fprintf(stderr, " tw=%d, th=%d\n", cp->tw, cp->th);
130 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
131 j2k_tcp_t *tcp = &cp->tcps[tileno];
132 fprintf(stderr, " tile %d {\n", tileno);
133 fprintf(stderr, " csty=%x\n", tcp->csty);
134 fprintf(stderr, " prg=%d\n", tcp->prg);
135 fprintf(stderr, " numlayers=%d\n", tcp->numlayers);
136 fprintf(stderr, " mct=%d\n", tcp->mct);
137 fprintf(stderr, " rates=");
138 for (layno = 0; layno < tcp->numlayers; layno++) {
139 fprintf(stderr, "%d ", tcp->rates[layno]);
141 fprintf(stderr, "\n");
142 for (compno = 0; compno < img->numcomps; compno++) {
143 j2k_tccp_t *tccp = &tcp->tccps[compno];
144 fprintf(stderr, " comp %d {\n", compno);
145 fprintf(stderr, " csty=%x\n", tccp->csty);
146 fprintf(stderr, " numresolutions=%d\n", tccp->numresolutions);
147 fprintf(stderr, " cblkw=%d\n", tccp->cblkw);
148 fprintf(stderr, " cblkh=%d\n", tccp->cblkh);
149 fprintf(stderr, " cblksty=%x\n", tccp->cblksty);
150 fprintf(stderr, " qmfbid=%d\n", tccp->qmfbid);
151 fprintf(stderr, " qntsty=%d\n", tccp->qntsty);
152 fprintf(stderr, " numgbits=%d\n", tccp->numgbits);
153 fprintf(stderr, " roishift=%d\n", tccp->roishift);
154 fprintf(stderr, " stepsizes=");
157 J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
158 for (bandno = 0; bandno < numbands; bandno++) {
159 fprintf(stderr, "(%d,%d) ", tccp->stepsizes[bandno].mant,
160 tccp->stepsizes[bandno].expn);
162 fprintf(stderr, "\n");
164 if (tccp->csty & J2K_CCP_CSTY_PRT) {
165 fprintf(stderr, " prcw=");
166 for (resno = 0; resno < tccp->numresolutions; resno++) {
167 fprintf(stderr, "%d ", tccp->prcw[resno]);
169 fprintf(stderr, "\n");
170 fprintf(stderr, " prch=");
171 for (resno = 0; resno < tccp->numresolutions; resno++) {
172 fprintf(stderr, "%d ", tccp->prch[resno]);
174 fprintf(stderr, "\n");
176 fprintf(stderr, " }\n");
178 fprintf(stderr, " }\n");
180 fprintf(stderr, "}\n");
185 cio_write(J2K_MS_SOC, 2);
190 j2k_state = J2K_STATE_MHSIZ;
198 cio_write(J2K_MS_SIZ, 2); /* SIZ */
201 cio_write(0, 2); /* Rsiz (capabilities) */
202 cio_write(j2k_img->x1, 4); /* Xsiz */
203 cio_write(j2k_img->y1, 4); /* Ysiz */
204 cio_write(j2k_img->x0, 4); /* X0siz */
205 cio_write(j2k_img->y0, 4); /* Y0siz */
206 cio_write(j2k_cp->tdx, 4); /* XTsiz */
207 cio_write(j2k_cp->tdy, 4); /* YTsiz */
208 cio_write(j2k_cp->tx0, 4); /* XT0siz */
209 cio_write(j2k_cp->ty0, 4); /* YT0siz */
210 cio_write(j2k_img->numcomps, 2); /* Csiz */
211 for (i = 0; i < j2k_img->numcomps; i++) {
212 cio_write(j2k_img->comps[i].prec - 1 + (j2k_img->comps[i].sgnd << 7), 1); /* Ssiz_i */
213 cio_write(j2k_img->comps[i].dx, 1); /* XRsiz_i */
214 cio_write(j2k_img->comps[i].dy, 1); /* YRsiz_i */
216 len = cio_tell() - lenp;
218 cio_write(len, 2); /* Lsiz */
219 cio_seek(lenp + len);
227 len = cio_read(2); /* Lsiz */
228 cio_read(2); /* Rsiz (capabilities) */
229 j2k_img->x1 = cio_read(4); /* Xsiz */
230 j2k_img->y1 = cio_read(4); /* Ysiz */
231 j2k_img->x0 = cio_read(4); /* X0siz */
232 j2k_img->y0 = cio_read(4); /* Y0siz */
233 j2k_cp->tdx = cio_read(4); /* XTsiz */
234 j2k_cp->tdy = cio_read(4); /* YTsiz */
235 j2k_cp->tx0 = cio_read(4); /* XT0siz */
236 j2k_cp->ty0 = cio_read(4); /* YT0siz */
238 j2k_img->numcomps = cio_read(2); /* Csiz */
240 (j2k_comp_t *) malloc(j2k_img->numcomps * sizeof(j2k_comp_t));
241 for (i = 0; i < j2k_img->numcomps; i++) {
243 tmp = cio_read(1); /* Ssiz_i */
244 j2k_img->comps[i].prec = (tmp & 0x7f) + 1;
245 j2k_img->comps[i].sgnd = tmp >> 7;
246 j2k_img->comps[i].dx = cio_read(1); /* XRsiz_i */
247 j2k_img->comps[i].dy = cio_read(1); /* YRsiz_i */
248 w = int_ceildiv(j2k_img->x1 - j2k_img->x0, j2k_img->comps[i].dx);
249 h = int_ceildiv(j2k_img->y1 - j2k_img->y0, j2k_img->comps[i].dy);
250 j2k_img->comps[i].resno_decoded = 0; /* number of resolution decoded */
251 j2k_img->comps[i].factor = 0; /* reducing factor by component */
254 j2k_cp->tw = int_ceildiv(j2k_img->x1 - j2k_cp->tx0, j2k_cp->tdx);
255 j2k_cp->th = int_ceildiv(j2k_img->y1 - j2k_cp->ty0, j2k_cp->tdy);
257 (j2k_tcp_t *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(j2k_tcp_t));
258 j2k_cp->tileno = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
259 j2k_cp->tileno_size = 0;
261 for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
262 j2k_cp->tcps[i].POC = 0;
263 j2k_cp->tcps[i].numpocs = 0;
264 j2k_cp->tcps[i].first = 1;
267 /* Initialization for PPM marker */
269 j2k_cp->ppm_data = NULL;
270 j2k_cp->ppm_previous = 0;
271 j2k_cp->ppm_store = 0;
273 j2k_default_tcp.tccps =
274 (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
275 for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
276 j2k_cp->tcps[i].tccps =
277 (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
280 (unsigned char **) calloc(j2k_cp->tw * j2k_cp->th, sizeof(char *));
281 j2k_tile_len = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
282 j2k_state = J2K_STATE_MH;
292 sprintf(str, "%s", j2k_cp->comment);
294 cio_write(J2K_MS_COM, 2);
298 for (i = 0; i < strlen(str); i++) {
299 cio_write(str[i], 1);
301 len = cio_tell() - lenp;
304 cio_seek(lenp + len);
317 void j2k_write_cox(int compno)
322 tcp = &j2k_cp->tcps[j2k_curtileno];
323 tccp = &tcp->tccps[compno];
325 cio_write(tccp->numresolutions - 1, 1); /* SPcox (D) */
326 cio_write(tccp->cblkw - 2, 1); /* SPcox (E) */
327 cio_write(tccp->cblkh - 2, 1); /* SPcox (F) */
328 cio_write(tccp->cblksty, 1); /* SPcox (G) */
329 cio_write(tccp->qmfbid, 1); /* SPcox (H) */
331 if (tccp->csty & J2K_CCP_CSTY_PRT) {
332 for (i = 0; i < tccp->numresolutions; i++) {
333 cio_write(tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
338 void j2k_read_cox(int compno)
345 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
346 tccp = &tcp->tccps[compno];
347 tccp->numresolutions = cio_read(1) + 1; /* SPcox (D) */
348 tccp->cblkw = cio_read(1) + 2; /* SPcox (E) */
349 tccp->cblkh = cio_read(1) + 2; /* SPcox (F) */
350 tccp->cblksty = cio_read(1); /* SPcox (G) */
351 tccp->qmfbid = cio_read(1); /* SPcox (H) */
352 if (tccp->csty & J2K_CP_CSTY_PRT) {
353 for (i = 0; i < tccp->numresolutions; i++) {
354 int tmp = cio_read(1); /* SPcox (I_i) */
355 tccp->prcw[i] = tmp & 0xf;
356 tccp->prch[i] = tmp >> 4;
366 cio_write(J2K_MS_COD, 2); /* COD */
371 tcp = &j2k_cp->tcps[j2k_curtileno];
372 cio_write(tcp->csty, 1); /* Scod */
373 cio_write(tcp->prg, 1); /* SGcod (A) */
374 cio_write(tcp->numlayers, 2); /* SGcod (B) */
375 cio_write(tcp->mct, 1); /* SGcod (C) */
378 len = cio_tell() - lenp;
380 cio_write(len, 2); /* Lcod */
381 cio_seek(lenp + len);
391 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
392 len = cio_read(2); /* Lcod */
393 tcp->csty = cio_read(1); /* Scod */
394 tcp->prg = cio_read(1); /* SGcod (A) */
395 tcp->numlayers = cio_read(2); /* SGcod (B) */
396 tcp->mct = cio_read(1); /* SGcod (C) */
399 for (i = 0; i < j2k_img->numcomps; i++) {
400 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
406 void j2k_write_coc(int compno)
411 cio_write(J2K_MS_COC, 2); /* COC */
414 tcp = &j2k_cp->tcps[j2k_curtileno];
415 cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
416 cio_write(tcp->tccps[compno].csty, 1); /* Scoc */
417 j2k_write_cox(compno);
418 len = cio_tell() - lenp;
420 cio_write(len, 2); /* Lcoc */
421 cio_seek(lenp + len);
431 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
432 len = cio_read(2); /* Lcoc */
433 compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
434 tcp->tccps[compno].csty = cio_read(1); /* Scoc */
435 j2k_read_cox(compno);
438 void j2k_write_qcx(int compno)
442 int bandno, numbands;
445 tcp = &j2k_cp->tcps[j2k_curtileno];
446 tccp = &tcp->tccps[compno];
448 cio_write(tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
451 J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
453 for (bandno = 0; bandno < numbands; bandno++) {
454 expn = tccp->stepsizes[bandno].expn;
455 mant = tccp->stepsizes[bandno].mant;
457 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
458 cio_write(expn << 3, 1); /* SPqcx_i */
460 cio_write((expn << 11) + mant, 2); /* SPqcx_i */
466 void j2k_read_qcx(int compno, int len)
471 int bandno, numbands;
475 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
476 tccp = &tcp->tccps[compno];
477 tmp = cio_read(1); /* Sqcx */
478 tccp->qntsty = tmp & 0x1f;
479 tccp->numgbits = tmp >> 5;
481 tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : (tccp->qntsty ==
482 J2K_CCP_QNTSTY_NOQNT ?
483 len - 1 : (len - 1) / 2);
484 for (bandno = 0; bandno < numbands; bandno++) {
486 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { /* WHY STEPSIZES WHEN NOQNT ? */
487 expn = cio_read(1) >> 3; /* SPqcx_i */
490 tmp = cio_read(2); /* SPqcx_i */
494 tccp->stepsizes[bandno].expn = expn;
495 tccp->stepsizes[bandno].mant = mant;
503 cio_write(J2K_MS_QCD, 2); /* QCD */
507 len = cio_tell() - lenp;
509 cio_write(len, 2); /* Lqcd */
510 cio_seek(lenp + len);
517 len = cio_read(2); /* Lqcd */
519 for (i = 0; i < j2k_img->numcomps; i++) {
521 j2k_read_qcx(i, len - 2);
525 void j2k_write_qcc(int compno)
529 cio_write(J2K_MS_QCC, 2); /* QCC */
532 cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
533 j2k_write_qcx(compno);
534 len = cio_tell() - lenp;
536 cio_write(len, 2); /* Lqcc */
537 cio_seek(lenp + len);
544 len = cio_read(2); /* Lqcc */
545 compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
546 j2k_read_qcx(compno, len - 2 - (j2k_img->numcomps <= 256 ? 1 : 2));
551 int len, numpchgs, i;
555 tcp = &j2k_cp->tcps[j2k_curtileno];
556 tccp = &tcp->tccps[0];
557 numpchgs = tcp->numpocs;
558 cio_write(J2K_MS_POC, 2); /* POC */
559 len = 2 + (5 + 2 * (j2k_img->numcomps <= 256 ? 1 : 2)) * numpchgs;
560 cio_write(len, 2); /* Lpoc */
561 for (i = 0; i < numpchgs; i++) {
565 cio_write(poc->resno0, 1); /* RSpoc_i */
566 cio_write(poc->compno0, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
567 cio_write(poc->layno1, 2); /* LYEpoc_i */
568 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
569 cio_write(poc->resno1, 1); /* REpoc_i */
570 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
571 cio_write(poc->compno1, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
572 poc->compno1 = int_min(poc->compno1, j2k_img->numcomps);
573 cio_write(poc->prg, 1); /* Ppoc_i */
579 int len, numpchgs, i, old_poc;
585 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
587 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
589 tccp = &tcp->tccps[0];
590 len = cio_read(2); /* Lpoc */
591 numpchgs = (len - 2) / (5 + 2 * (j2k_img->numcomps <= 256 ? 1 : 2));
593 for (i = old_poc; i < numpchgs + old_poc; i++) {
596 poc->resno0 = cio_read(1); /* RSpoc_i */
597 poc->compno0 = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* CSpoc_i */
598 poc->layno1 = int_min(cio_read(2), tcp->numlayers); /* LYEpoc_i */
599 poc->resno1 = int_min(cio_read(1), tccp->numresolutions); /* REpoc_i */
600 poc->compno1 = int_min(cio_read(j2k_img->numcomps <= 256 ? 1 : 2), j2k_img->numcomps); /* CEpoc_i */
601 poc->prg = cio_read(1); /* Ppoc_i */
604 tcp->numpocs = numpchgs + old_poc - 1;
609 int len, i, Xcrg_i, Ycrg_i;
611 len = cio_read(2); /* Lcrg */
612 for (i = 0; i < j2k_img->numcomps; i++) {
613 Xcrg_i = cio_read(2); /* Xcrg_i */
614 Ycrg_i = cio_read(2); /* Ycrg_i */
620 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
621 long int Ttlm_i, Ptlm_i;
623 len = cio_read(2); /* Ltlm */
624 Ztlm = cio_read(1); /* Ztlm */
625 Stlm = cio_read(1); /* Stlm */
626 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
627 SP = (Stlm >> 6) & 0x01;
628 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
629 for (i = 0; i < tile_tlm; i++) {
630 Ttlm_i = cio_read(ST); /* Ttlm_i */
631 Ptlm_i = cio_read(SP ? 4 : 2); /* Ptlm_i */
637 int len, i, Zplm, Nplm, add, packet_len = 0;
639 len = cio_read(2); /* Lplm */
640 Zplm = cio_read(1); /* Zplm */
643 Nplm = cio_read(4); /* Nplm */
645 for (i = Nplm; i > 0; i--) {
648 packet_len = (packet_len << 7) + add; /* Iplm_ij */
649 if ((add & 0x80) == 0) {
661 int len, i, Zplt, packet_len = 0, add;
663 len = cio_read(2); /* Lplt */
664 Zplt = cio_read(1); /* Zplt */
665 for (i = len - 3; i > 0; i--) {
667 packet_len = (packet_len << 7) + add; /* Iplt_i */
668 if ((add & 0x80) == 0) {
677 int len, Z_ppm, i, j;
683 Z_ppm = cio_read(1); /* Z_ppm */
686 if (j2k_cp->ppm_previous == 0) {
687 N_ppm = cio_read(4); /* N_ppm */
690 N_ppm = j2k_cp->ppm_previous;
693 j = j2k_cp->ppm_store;
694 if (Z_ppm == 0) /* First PPM marker */
696 (unsigned char *) calloc(N_ppm, sizeof(unsigned char));
697 else /* NON-first PPM marker */
699 (unsigned char *) realloc(j2k_cp->ppm_data,
702 sizeof(unsigned char));
704 for (i = N_ppm; i > 0; i--) { /* Read packet header */
705 j2k_cp->ppm_data[j] = cio_read(1);
709 break; /* Case of non-finished packet header in present marker but finished in next one */
712 j2k_cp->ppm_previous = i - 1;
713 j2k_cp->ppm_store = j;
719 int len, Z_ppt, i, j = 0;
724 tcp = &j2k_cp->tcps[j2k_curtileno];
726 if (Z_ppt == 0) { /* First PPT marker */
728 (unsigned char *) calloc(len - 3, sizeof(unsigned char));
730 } else /* NON-first PPT marker */
732 (unsigned char *) realloc(tcp->ppt_data,
734 tcp->ppt_store) * sizeof(unsigned char));
737 for (i = len - 3; i > 0; i--) {
738 tcp->ppt_data[j] = cio_read(1);
748 j2k_sot_start = cio_tell();
749 cio_write(J2K_MS_SOT, 2); /* SOT */
751 cio_skip(2); /* Lsot (further) */
752 cio_write(j2k_curtileno, 2); /* Isot */
753 cio_skip(4); /* Psot (further in j2k_write_sod) */
754 cio_write(0, 1); /* TPsot */
755 cio_write(1, 1); /* TNsot */
756 len = cio_tell() - lenp;
758 cio_write(len, 2); /* Lsot */
759 cio_seek(lenp + len);
764 int len, tileno, totlen, partno, numparts, i;
770 tileno = cio_read(2);
772 if (j2k_cp->tileno_size == 0) {
773 j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
774 j2k_cp->tileno_size++;
777 while (i < j2k_cp->tileno_size && status == 0) {
778 status = j2k_cp->tileno[i] == tileno ? 1 : 0;
782 j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
783 j2k_cp->tileno_size++;
787 totlen = cio_read(4);
789 totlen = cio_numbytesleft() + 8;
791 partno = cio_read(1);
792 numparts = cio_read(1);
794 j2k_curtileno = tileno;
795 j2k_eot = cio_getbp() - 12 + totlen;
796 j2k_state = J2K_STATE_TPH;
797 tcp = &j2k_cp->tcps[j2k_curtileno];
799 if (tcp->first == 1) {
801 *tcp = j2k_default_tcp;
803 /* Initialization PPT */
805 tcp->ppt_data = NULL;
808 for (i = 0; i < j2k_img->numcomps; i++) {
809 tcp->tccps[i] = j2k_default_tcp.tccps[i];
811 j2k_cp->tcps[j2k_curtileno].first = 0;
820 static int j2k_sod_start;
822 cio_write(J2K_MS_SOD, 2);
823 if (j2k_curtileno == 0) {
824 j2k_sod_start = cio_tell() + pos_correction;
828 if (info_IM.index_on) {
829 info_IM.tile[j2k_curtileno].end_header =
830 cio_tell() + pos_correction - 1;
831 info_IM.tile[j2k_curtileno].packet =
832 (info_packet *) calloc(info_IM.Comp * info_IM.Layer *
833 (info_IM.Decomposition + 1) * 100,
834 sizeof(info_packet));
838 tcp = &j2k_cp->tcps[j2k_curtileno];
839 for (layno = 0; layno < tcp->numlayers; layno++) {
840 tcp->rates[layno] -= (j2k_sod_start / (j2k_cp->th * j2k_cp->tw));
844 if (j2k_cp->image_type)
845 l = tcd_encode_tile_pxm(j2k_curtileno, cio_getbp(),
846 cio_numbytesleft() - 2, &info_IM);
848 l = tcd_encode_tile_pgx(j2k_curtileno, cio_getbp(),
849 cio_numbytesleft() - 2, &info_IM);
851 /* Writing Psot in SOT marker */
852 totlen = cio_tell() + l - j2k_sot_start;
853 cio_seek(j2k_sot_start + 6);
854 cio_write(totlen, 4);
855 cio_seek(j2k_sot_start + totlen);
860 int len, truncate = 0, i;
863 len = int_min(j2k_eot - cio_getbp(), cio_numbytesleft() + 1);
864 if (len == cio_numbytesleft() + 1)
865 truncate = 1; /* Case of a truncate codestream */
868 (unsigned char *) malloc((j2k_tile_len[j2k_curtileno] + len) *
869 sizeof(unsigned char));
870 for (i = 0; i < j2k_tile_len[j2k_curtileno]; i++)
871 data[i] = j2k_tile_data[j2k_curtileno][i];
872 for (i = 0; i < len; i++)
873 data[i + j2k_tile_len[j2k_curtileno]] = cio_read(1);
875 j2k_tile_len[j2k_curtileno] += len;
876 free(j2k_tile_data[j2k_curtileno]);
877 j2k_tile_data[j2k_curtileno] = data;
881 j2k_state = J2K_STATE_TPHSOT;
883 j2k_state = J2K_STATE_NEOC; /* RAJOUTE !! */
886 void j2k_write_rgn(int compno, int tileno)
888 j2k_tcp_t *tcp = &j2k_cp->tcps[tileno];
890 cio_write(J2K_MS_RGN, 2); /* RGN */
891 cio_write(j2k_img->numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
892 cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
893 cio_write(0, 1); /* Srgn */
894 cio_write(tcp->tccps[compno].roishift, 1); /* SPrgn */
899 int len, compno, roisty;
904 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
905 len = cio_read(2); /* Lrgn */
906 compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
907 roisty = cio_read(1); /* Srgn */
908 tcp->tccps[compno].roishift = cio_read(1); /* SPrgn */
913 /* fprintf(stderr, "%.8x: EOC\n", cio_tell() + pos_correction); */
914 cio_write(J2K_MS_EOC, 2);
921 tcd_init(j2k_img, j2k_cp);
923 for (i = 0; i < j2k_cp->tileno_size; i++) {
924 tileno = j2k_cp->tileno[i];
925 tcd_decode_tile(j2k_tile_data[tileno], j2k_tile_len[tileno], tileno);
928 j2k_state = J2K_STATE_MT;
929 longjmp(j2k_error, 1);
934 fprintf(stderr, "warning: unknown marker\n");
937 LIBJ2K_API int j2k_encode(j2k_image_t * img, j2k_cp_t * cp, char *outfile,
938 int len, char *index)
940 int tileno, compno, layno, resno, precno, pack_nb;
945 if (setjmp(j2k_error)) {
949 f = fopen(outfile, "wb");
952 fprintf(stderr, "failed to open %s for writing\n", outfile);
956 dest = (char *) malloc(len);
961 /* j2k_dump_cp(j2k_img, j2k_cp); */
964 info_IM.index_on = j2k_img->index_on;
965 if (info_IM.index_on) {
967 (info_tile *) malloc(j2k_cp->tw * j2k_cp->th * sizeof(info_tile));
968 info_IM.Im_w = j2k_img->x1 - j2k_img->x0;
969 info_IM.Im_h = j2k_img->y1 - j2k_img->y0;
970 info_IM.Prog = (&j2k_cp->tcps[0])->prg;
971 /* info_IM.Tile_x=j2k_cp->tw; old version parser */
972 /* info_IM.Tile_y=j2k_cp->th; old version parser */
973 info_IM.Tile_x = j2k_cp->tdx; /* new version parser */
974 info_IM.Tile_y = j2k_cp->tdy; /* new version parser */
975 info_IM.Comp = j2k_img->numcomps;
976 info_IM.Layer = (&j2k_cp->tcps[0])->numlayers;
977 info_IM.Decomposition = (&j2k_cp->tcps[0])->tccps->numresolutions - 1;
978 info_IM.D_max = 0; /* ADD Marcela */
986 for (compno = 0; compno < j2k_img->numcomps; compno++) {
987 j2k_tcp_t *tcp = &j2k_cp->tcps[0];
988 if (tcp->tccps[compno].roishift)
989 j2k_write_rgn(compno, 0);
991 if (j2k_cp->comment != NULL)
994 /* Writing the main header */
995 pos_correction = cio_tell();
996 fwrite(dest, 1, cio_tell(), f);
999 if (info_IM.index_on) {
1000 info_IM.Main_head_end = cio_tell() - 1;
1005 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1006 fprintf(stderr, "\nTile number %d / %d \n", tileno + 1,
1009 /* new dest for each tile */
1011 dest = (char *) malloc(len);
1012 cio_init(dest, len);
1013 j2k_curtileno = tileno;
1014 /* initialisation before tile encoding */
1017 tcd_malloc_encode(j2k_img, j2k_cp, j2k_curtileno);
1019 tcd_init_encode(j2k_img, j2k_cp, j2k_curtileno);
1023 if (info_IM.index_on) {
1024 info_IM.tile[j2k_curtileno].num_tile = j2k_curtileno;
1025 info_IM.tile[j2k_curtileno].start_pos = cio_tell() + pos_correction;
1030 for (compno = 1; compno < img->numcomps; compno++) {
1031 j2k_write_coc(compno);
1032 j2k_write_qcc(compno);
1035 if (cp->tcps[tileno].numpocs)
1040 if (info_IM.index_on) {
1041 info_IM.tile[j2k_curtileno].end_pos =
1042 cio_tell() + pos_correction - 1;
1047 if (tile->PPT) BAD PPT !!!
1052 PPT_file=fopen("PPT","rb");
1053 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
1054 for (i=0;i<tile->len_ppt;i++)
1057 fread(&elmt, 1, 1, PPT_file);
1058 fwrite(&elmt,1,1,f);
1065 fwrite(dest, 1, cio_tell(), f);
1066 pos_correction = cio_tell() + pos_correction;
1070 dest = (char *) malloc(len);
1071 cio_init(dest, len);
1075 fwrite(dest, 1, 2, f);
1077 /* closing file *.j2k */
1080 /* Creation of the index file */
1081 if (info_IM.index_on) {
1082 info_IM.codestream_size = cio_tell() + pos_correction; /* Correction 14/4/03 suite rmq de Patrick */
1083 INDEX = fopen(index, "w");
1086 fprintf(stderr, "failed to open %s for writing\n", index);
1090 fprintf(INDEX, "%d %d\n", info_IM.Im_w, info_IM.Im_h);
1091 fprintf(INDEX, "%d\n", info_IM.Prog);
1092 fprintf(INDEX, "%d %d\n", info_IM.Tile_x, info_IM.Tile_y);
1093 fprintf(INDEX, "%d\n", info_IM.Comp);
1094 fprintf(INDEX, "%d\n", info_IM.Layer);
1095 fprintf(INDEX, "%d\n", info_IM.Decomposition);
1096 fprintf(INDEX, "%d %d\n", info_IM.pdx, info_IM.pdy);
1097 fprintf(INDEX, "%d\n", info_IM.Main_head_end);
1098 fprintf(INDEX, "%d\n", info_IM.codestream_size);
1099 fprintf(INDEX, "%f\n", info_IM.D_max);
1100 for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
1101 fprintf(INDEX, "%d %d %d %d", info_IM.tile[tileno].num_tile,
1102 info_IM.tile[tileno].start_pos,
1103 info_IM.tile[tileno].end_header,
1104 info_IM.tile[tileno].end_pos);
1105 /*for (layno=0;layno<info_IM.Layer;layno++)
1106 fprintf(INDEX, " %f",info_IM.tile[tileno].thresh[layno]);
1107 */ fprintf(INDEX, "\n");
1109 for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
1111 if (info_IM.Prog == 0) { /* LRCP */
1112 for (layno = 0; layno < info_IM.Layer; layno++) {
1113 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1114 for (compno = 0; compno < info_IM.Comp; compno++) {
1117 info_IM.tile[tileno].pw *
1118 info_IM.tile[tileno].ph; precno++) {
1120 "%d %d %d %d %d %d %d %d %.08f\n",
1121 pack_nb, tileno, layno, resno,
1123 info_IM.tile[tileno].
1124 packet[pack_nb].start_pos,
1125 info_IM.tile[tileno].
1126 packet[pack_nb].end_pos,
1127 info_IM.tile[tileno].
1128 packet[pack_nb].disto / info_IM.D_max);
1129 /*fprintf(INDEX, "%d %d %d %d %d %d %d %d\n", pack_nb, tileno, layno, resno, compno, precno, info_IM.tile[tileno].packet[pack_nb].start_pos, info_IM.tile[tileno].packet[pack_nb].end_pos); */
1135 } else if (info_IM.Prog == 1) { /* RLCP */
1136 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1137 for (layno = 0; layno < info_IM.Layer; layno++) {
1138 for (compno = 0; compno < info_IM.Comp; compno++) {
1139 for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
1140 /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
1141 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1142 pack_nb, tileno, layno, resno,
1144 info_IM.tile[tileno].
1145 packet[pack_nb].start_pos,
1146 info_IM.tile[tileno].packet[pack_nb].end_pos);
1152 } else if (info_IM.Prog == 2) { /* RPCL */
1153 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1154 for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
1155 for (compno = 0; compno < info_IM.Comp; compno++) {
1156 for (layno = 0; layno < info_IM.Layer; layno++) {
1157 /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
1158 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1159 pack_nb, tileno, layno, resno,
1161 info_IM.tile[tileno].
1162 packet[pack_nb].start_pos,
1163 info_IM.tile[tileno].packet[pack_nb].end_pos);
1169 } else if (info_IM.Prog == 3) { /* PCRL */
1170 for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
1171 for (compno = 0; compno < info_IM.Comp; compno++) {
1172 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1173 for (layno = 0; layno < info_IM.Layer; layno++) {
1174 /* fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
1175 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1176 pack_nb, tileno, layno, resno,
1178 info_IM.tile[tileno].
1179 packet[pack_nb].start_pos,
1180 info_IM.tile[tileno].packet[pack_nb].end_pos);
1188 for (compno = 0; compno < info_IM.Comp; compno++) {
1189 for (precno = 0; precno < info_IM.pw * info_IM.ph; precno++) {
1190 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1191 for (layno = 0; layno < info_IM.Layer; layno++) {
1192 /*fprintf(INDEX,"%d %d %d %d %d %d %d %d %.04f\n",pack_nb,tileno,layno,resno,compno,precno,info_IM.tile[tileno].packet[pack_nb].start_pos,info_IM.tile[tileno].packet[pack_nb].end_pos,info_IM.tile[tileno].packet[pack_nb].disto/info_IM.D_max); */
1193 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1194 pack_nb, tileno, layno, resno,
1196 info_IM.tile[tileno].
1197 packet[pack_nb].start_pos,
1198 info_IM.tile[tileno].packet[pack_nb].end_pos);
1218 } j2k_dec_mstabent_t;
1220 j2k_dec_mstabent_t j2k_dec_mstab[] = {
1221 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1222 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1223 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1224 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1225 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1226 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1227 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1228 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1229 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1230 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1231 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1232 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1233 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1234 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1235 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1236 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1238 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1239 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1240 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1243 j2k_dec_mstabent_t *j2k_dec_mstab_lookup(int id)
1245 j2k_dec_mstabent_t *e;
1246 for (e = j2k_dec_mstab; e->id != 0; e++) {
1254 LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img,
1255 j2k_cp_t ** cp, j2k_option_t option)
1258 if (setjmp(j2k_error)) {
1259 if (j2k_state != J2K_STATE_MT) {
1260 fprintf(stderr, "WARNING: incomplete bitstream\n");
1263 return cio_numbytes();
1266 j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
1267 j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
1271 j2k_cp->reduce_on = option.reduce_on;
1272 j2k_cp->reduce_value = option.reduce_value;
1274 j2k_state = J2K_STATE_MHSOC;
1278 j2k_dec_mstabent_t *e;
1279 int id = cio_read(2);
1280 if (id >> 8 != 0xff) {
1281 fprintf(stderr, "%.8x: expected a marker instead of %x\n",
1282 cio_tell() - 2, id);
1285 e = j2k_dec_mstab_lookup(id);
1286 if (!(j2k_state & e->states)) {
1287 fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2, id);
1293 if (j2k_state == J2K_STATE_NEOC)
1294 break; /* RAJOUTE */
1296 if (j2k_state == J2K_STATE_NEOC)
1297 j2k_read_eoc(); /* RAJOUTE */
1303 * Read a JPT-stream and decode file
1306 int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img,
1309 jpt_msg_header_struct_t header;
1312 if (setjmp(j2k_error)) {
1313 if (j2k_state != J2K_STATE_MT) {
1314 fprintf(stderr, "WARNING: incomplete bitstream\n");
1317 return cio_numbytes();
1320 j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
1321 j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
1325 j2k_state = J2K_STATE_MHSOC;
1328 /* Initialize the header */
1329 jpt_init_Msg_Header(&header);
1330 /* Read the first header of the message */
1331 jpt_read_Msg_Header(&header);
1333 position = cio_tell();
1334 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1336 "[JPT-stream] : Expecting Main header first [class_Id %d] !\n",
1342 j2k_dec_mstabent_t *e;
1345 if (!cio_numbytesleft()) {
1349 /* data-bin read -> need to read a new header */
1350 if ((unsigned int)(cio_tell() - position) == header.Msg_length) {
1351 jpt_read_Msg_Header(&header);
1352 position = cio_tell();
1353 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1354 fprintf(stderr, "[JPT-stream] : Expecting Tile info !\n");
1360 if (id >> 8 != 0xff) {
1361 fprintf(stderr, "%.8x: expected a marker instead of %x\n",
1362 cio_tell() - 2, id);
1365 e = j2k_dec_mstab_lookup(id);
1366 if (!(j2k_state & e->states)) {
1367 fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2, id);
1373 if (j2k_state == J2K_STATE_NEOC)
1374 break; /* RAJOUTE */
1376 if (j2k_state == J2K_STATE_NEOC)
1377 j2k_read_eoc(); /* RAJOUTE */
1383 #include <windows.h>
1385 BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call,
1388 switch (ul_reason_for_call) {
1389 case DLL_PROCESS_ATTACH:
1390 case DLL_THREAD_ATTACH:
1391 case DLL_THREAD_DETACH:
1392 case DLL_PROCESS_DETACH: