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",
147 tccp->numresolutions);
148 fprintf(stderr, " cblkw=%d\n", tccp->cblkw);
149 fprintf(stderr, " cblkh=%d\n", tccp->cblkh);
150 fprintf(stderr, " cblksty=%x\n", tccp->cblksty);
151 fprintf(stderr, " qmfbid=%d\n", tccp->qmfbid);
152 fprintf(stderr, " qntsty=%d\n", tccp->qntsty);
153 fprintf(stderr, " numgbits=%d\n", tccp->numgbits);
154 fprintf(stderr, " roishift=%d\n", tccp->roishift);
155 fprintf(stderr, " stepsizes=");
158 J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
159 for (bandno = 0; bandno < numbands; bandno++) {
160 fprintf(stderr, "(%d,%d) ", tccp->stepsizes[bandno].mant,
161 tccp->stepsizes[bandno].expn);
163 fprintf(stderr, "\n");
165 if (tccp->csty & J2K_CCP_CSTY_PRT) {
166 fprintf(stderr, " prcw=");
167 for (resno = 0; resno < tccp->numresolutions; resno++) {
168 fprintf(stderr, "%d ", tccp->prcw[resno]);
170 fprintf(stderr, "\n");
171 fprintf(stderr, " prch=");
172 for (resno = 0; resno < tccp->numresolutions; resno++) {
173 fprintf(stderr, "%d ", tccp->prch[resno]);
175 fprintf(stderr, "\n");
177 fprintf(stderr, " }\n");
179 fprintf(stderr, " }\n");
181 fprintf(stderr, "}\n");
186 cio_write(J2K_MS_SOC, 2);
191 j2k_state = J2K_STATE_MHSIZ;
199 cio_write(J2K_MS_SIZ, 2); /* SIZ */
202 cio_write(0, 2); /* Rsiz (capabilities) */
203 cio_write(j2k_img->x1, 4); /* Xsiz */
204 cio_write(j2k_img->y1, 4); /* Ysiz */
205 cio_write(j2k_img->x0, 4); /* X0siz */
206 cio_write(j2k_img->y0, 4); /* Y0siz */
207 cio_write(j2k_cp->tdx, 4); /* XTsiz */
208 cio_write(j2k_cp->tdy, 4); /* YTsiz */
209 cio_write(j2k_cp->tx0, 4); /* XT0siz */
210 cio_write(j2k_cp->ty0, 4); /* YT0siz */
211 cio_write(j2k_img->numcomps, 2); /* Csiz */
212 for (i = 0; i < j2k_img->numcomps; i++) {
213 cio_write(j2k_img->comps[i].prec - 1 + (j2k_img->comps[i].sgnd << 7), 1); /* Ssiz_i */
214 cio_write(j2k_img->comps[i].dx, 1); /* XRsiz_i */
215 cio_write(j2k_img->comps[i].dy, 1); /* YRsiz_i */
217 len = cio_tell() - lenp;
219 cio_write(len, 2); /* Lsiz */
220 cio_seek(lenp + len);
228 len = cio_read(2); /* Lsiz */
229 cio_read(2); /* Rsiz (capabilities) */
230 j2k_img->x1 = cio_read(4); /* Xsiz */
231 j2k_img->y1 = cio_read(4); /* Ysiz */
232 j2k_img->x0 = cio_read(4); /* X0siz */
233 j2k_img->y0 = cio_read(4); /* Y0siz */
234 j2k_cp->tdx = cio_read(4); /* XTsiz */
235 j2k_cp->tdy = cio_read(4); /* YTsiz */
236 j2k_cp->tx0 = cio_read(4); /* XT0siz */
237 j2k_cp->ty0 = cio_read(4); /* YT0siz */
239 j2k_img->numcomps = cio_read(2); /* Csiz */
241 (j2k_comp_t *) malloc(j2k_img->numcomps * sizeof(j2k_comp_t));
242 for (i = 0; i < j2k_img->numcomps; i++) {
244 tmp = cio_read(1); /* Ssiz_i */
245 j2k_img->comps[i].prec = (tmp & 0x7f) + 1;
246 j2k_img->comps[i].sgnd = tmp >> 7;
247 j2k_img->comps[i].dx = cio_read(1); /* XRsiz_i */
248 j2k_img->comps[i].dy = cio_read(1); /* YRsiz_i */
249 w = int_ceildiv(j2k_img->x1 - j2k_img->x0, j2k_img->comps[i].dx);
250 h = int_ceildiv(j2k_img->y1 - j2k_img->y0, j2k_img->comps[i].dy);
251 j2k_img->comps[i].resno_decoded = 0; /* number of resolution decoded */
252 j2k_img->comps[i].factor = 0; /* reducing factor by component */
255 j2k_cp->tw = int_ceildiv(j2k_img->x1 - j2k_cp->tx0, j2k_cp->tdx);
256 j2k_cp->th = int_ceildiv(j2k_img->y1 - j2k_cp->ty0, j2k_cp->tdy);
258 (j2k_tcp_t *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(j2k_tcp_t));
259 j2k_cp->tileno = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
260 j2k_cp->tileno_size = 0;
262 for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
263 j2k_cp->tcps[i].POC = 0;
264 j2k_cp->tcps[i].numpocs = 0;
265 j2k_cp->tcps[i].first = 1;
268 /* Initialization for PPM marker */
270 j2k_cp->ppm_data = NULL;
271 j2k_cp->ppm_previous = 0;
272 j2k_cp->ppm_store = 0;
274 j2k_default_tcp.tccps =
275 (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
276 for (i = 0; i < j2k_cp->tw * j2k_cp->th; i++) {
277 j2k_cp->tcps[i].tccps =
278 (j2k_tccp_t *) calloc(sizeof(j2k_tccp_t), j2k_img->numcomps);
281 (unsigned char **) calloc(j2k_cp->tw * j2k_cp->th, sizeof(char *));
282 j2k_tile_len = (int *) calloc(j2k_cp->tw * j2k_cp->th, sizeof(int));
283 j2k_state = J2K_STATE_MH;
293 sprintf(str, "%s", j2k_cp->comment);
295 cio_write(J2K_MS_COM, 2);
299 for (i = 0; i < strlen(str); i++) {
300 cio_write(str[i], 1);
302 len = cio_tell() - lenp;
305 cio_seek(lenp + len);
318 void j2k_write_cox(int compno)
323 tcp = &j2k_cp->tcps[j2k_curtileno];
324 tccp = &tcp->tccps[compno];
326 cio_write(tccp->numresolutions - 1, 1); /* SPcox (D) */
327 cio_write(tccp->cblkw - 2, 1); /* SPcox (E) */
328 cio_write(tccp->cblkh - 2, 1); /* SPcox (F) */
329 cio_write(tccp->cblksty, 1); /* SPcox (G) */
330 cio_write(tccp->qmfbid, 1); /* SPcox (H) */
332 if (tccp->csty & J2K_CCP_CSTY_PRT) {
333 for (i = 0; i < tccp->numresolutions; i++) {
334 cio_write(tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */
339 void j2k_read_cox(int compno)
346 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
347 tccp = &tcp->tccps[compno];
348 tccp->numresolutions = cio_read(1) + 1; /* SPcox (D) */
349 tccp->cblkw = cio_read(1) + 2; /* SPcox (E) */
350 tccp->cblkh = cio_read(1) + 2; /* SPcox (F) */
351 tccp->cblksty = cio_read(1); /* SPcox (G) */
352 tccp->qmfbid = cio_read(1); /* SPcox (H) */
353 if (tccp->csty & J2K_CP_CSTY_PRT) {
354 for (i = 0; i < tccp->numresolutions; i++) {
355 int tmp = cio_read(1); /* SPcox (I_i) */
356 tccp->prcw[i] = tmp & 0xf;
357 tccp->prch[i] = tmp >> 4;
367 cio_write(J2K_MS_COD, 2); /* COD */
372 tcp = &j2k_cp->tcps[j2k_curtileno];
373 cio_write(tcp->csty, 1); /* Scod */
374 cio_write(tcp->prg, 1); /* SGcod (A) */
375 cio_write(tcp->numlayers, 2); /* SGcod (B) */
376 cio_write(tcp->mct, 1); /* SGcod (C) */
379 len = cio_tell() - lenp;
381 cio_write(len, 2); /* Lcod */
382 cio_seek(lenp + len);
392 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
393 len = cio_read(2); /* Lcod */
394 tcp->csty = cio_read(1); /* Scod */
395 tcp->prg = cio_read(1); /* SGcod (A) */
396 tcp->numlayers = cio_read(2); /* SGcod (B) */
397 tcp->mct = cio_read(1); /* SGcod (C) */
400 for (i = 0; i < j2k_img->numcomps; i++) {
401 tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT;
407 void j2k_write_coc(int compno)
412 cio_write(J2K_MS_COC, 2); /* COC */
415 tcp = &j2k_cp->tcps[j2k_curtileno];
416 cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
417 cio_write(tcp->tccps[compno].csty, 1); /* Scoc */
418 j2k_write_cox(compno);
419 len = cio_tell() - lenp;
421 cio_write(len, 2); /* Lcoc */
422 cio_seek(lenp + len);
432 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
433 len = cio_read(2); /* Lcoc */
434 compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Ccoc */
435 tcp->tccps[compno].csty = cio_read(1); /* Scoc */
436 j2k_read_cox(compno);
439 void j2k_write_qcx(int compno)
443 int bandno, numbands;
446 tcp = &j2k_cp->tcps[j2k_curtileno];
447 tccp = &tcp->tccps[compno];
449 cio_write(tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */
452 J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2;
454 for (bandno = 0; bandno < numbands; bandno++) {
455 expn = tccp->stepsizes[bandno].expn;
456 mant = tccp->stepsizes[bandno].mant;
458 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
459 cio_write(expn << 3, 1); /* SPqcx_i */
461 cio_write((expn << 11) + mant, 2); /* SPqcx_i */
467 void j2k_read_qcx(int compno, int len)
472 int bandno, numbands;
476 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
477 tccp = &tcp->tccps[compno];
478 tmp = cio_read(1); /* Sqcx */
479 tccp->qntsty = tmp & 0x1f;
480 tccp->numgbits = tmp >> 5;
482 tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : (tccp->qntsty ==
483 J2K_CCP_QNTSTY_NOQNT ?
486 for (bandno = 0; bandno < numbands; bandno++) {
488 if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { /* WHY STEPSIZES WHEN NOQNT ? */
489 expn = cio_read(1) >> 3; /* SPqcx_i */
492 tmp = cio_read(2); /* SPqcx_i */
496 tccp->stepsizes[bandno].expn = expn;
497 tccp->stepsizes[bandno].mant = mant;
505 cio_write(J2K_MS_QCD, 2); /* QCD */
509 len = cio_tell() - lenp;
511 cio_write(len, 2); /* Lqcd */
512 cio_seek(lenp + len);
519 len = cio_read(2); /* Lqcd */
521 for (i = 0; i < j2k_img->numcomps; i++) {
523 j2k_read_qcx(i, len - 2);
527 void j2k_write_qcc(int compno)
531 cio_write(J2K_MS_QCC, 2); /* QCC */
534 cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
535 j2k_write_qcx(compno);
536 len = cio_tell() - lenp;
538 cio_write(len, 2); /* Lqcc */
539 cio_seek(lenp + len);
546 len = cio_read(2); /* Lqcc */
547 compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Cqcc */
548 j2k_read_qcx(compno, len - 2 - (j2k_img->numcomps <= 256 ? 1 : 2));
553 int len, numpchgs, i;
557 tcp = &j2k_cp->tcps[j2k_curtileno];
558 tccp = &tcp->tccps[0];
559 numpchgs = tcp->numpocs;
560 cio_write(J2K_MS_POC, 2); /* POC */
561 len = 2 + (5 + 2 * (j2k_img->numcomps <= 256 ? 1 : 2)) * numpchgs;
562 cio_write(len, 2); /* Lpoc */
563 for (i = 0; i < numpchgs; i++) {
567 cio_write(poc->resno0, 1); /* RSpoc_i */
568 cio_write(poc->compno0, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CSpoc_i */
569 cio_write(poc->layno1, 2); /* LYEpoc_i */
570 poc->layno1 = int_min(poc->layno1, tcp->numlayers);
571 cio_write(poc->resno1, 1); /* REpoc_i */
572 poc->resno1 = int_min(poc->resno1, tccp->numresolutions);
573 cio_write(poc->compno1, (j2k_img->numcomps <= 256 ? 1 : 2)); /* CEpoc_i */
574 poc->compno1 = int_min(poc->compno1, j2k_img->numcomps);
575 cio_write(poc->prg, 1); /* Ppoc_i */
581 int len, numpchgs, i, old_poc;
587 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
589 old_poc = tcp->POC ? tcp->numpocs + 1 : 0;
591 tccp = &tcp->tccps[0];
592 len = cio_read(2); /* Lpoc */
593 numpchgs = (len - 2) / (5 + 2 * (j2k_img->numcomps <= 256 ? 1 : 2));
595 for (i = old_poc; i < numpchgs + old_poc; i++) {
598 poc->resno0 = cio_read(1); /* RSpoc_i */
599 poc->compno0 = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* CSpoc_i */
600 poc->layno1 = int_min(cio_read(2), tcp->numlayers); /* LYEpoc_i */
601 poc->resno1 = int_min(cio_read(1), tccp->numresolutions); /* REpoc_i */
602 poc->compno1 = int_min(cio_read(j2k_img->numcomps <= 256 ? 1 : 2), j2k_img->numcomps); /* CEpoc_i */
603 poc->prg = cio_read(1); /* Ppoc_i */
606 tcp->numpocs = numpchgs + old_poc - 1;
611 int len, i, Xcrg_i, Ycrg_i;
613 len = cio_read(2); /* Lcrg */
614 for (i = 0; i < j2k_img->numcomps; i++) {
615 Xcrg_i = cio_read(2); /* Xcrg_i */
616 Ycrg_i = cio_read(2); /* Ycrg_i */
622 int len, Ztlm, Stlm, ST, SP, tile_tlm, i;
623 long int Ttlm_i, Ptlm_i;
625 len = cio_read(2); /* Ltlm */
626 Ztlm = cio_read(1); /* Ztlm */
627 Stlm = cio_read(1); /* Stlm */
628 ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02);
629 SP = (Stlm >> 6) & 0x01;
630 tile_tlm = (len - 4) / ((SP + 1) * 2 + ST);
631 for (i = 0; i < tile_tlm; i++) {
632 Ttlm_i = cio_read(ST); /* Ttlm_i */
633 Ptlm_i = cio_read(SP ? 4 : 2); /* Ptlm_i */
639 int len, i, Zplm, Nplm, add, packet_len = 0;
641 len = cio_read(2); /* Lplm */
642 Zplm = cio_read(1); /* Zplm */
645 Nplm = cio_read(4); /* Nplm */
647 for (i = Nplm; i > 0; i--) {
650 packet_len = (packet_len << 7) + add; /* Iplm_ij */
651 if ((add & 0x80) == 0) {
663 int len, i, Zplt, packet_len = 0, add;
665 len = cio_read(2); /* Lplt */
666 Zplt = cio_read(1); /* Zplt */
667 for (i = len - 3; i > 0; i--) {
669 packet_len = (packet_len << 7) + add; /* Iplt_i */
670 if ((add & 0x80) == 0) {
679 int len, Z_ppm, i, j;
685 Z_ppm = cio_read(1); /* Z_ppm */
688 if (j2k_cp->ppm_previous == 0) {
689 N_ppm = cio_read(4); /* N_ppm */
692 N_ppm = j2k_cp->ppm_previous;
695 j = j2k_cp->ppm_store;
696 if (Z_ppm == 0) /* First PPM marker */
698 (unsigned char *) calloc(N_ppm, sizeof(unsigned char));
699 else /* NON-first PPM marker */
701 (unsigned char *) realloc(j2k_cp->ppm_data,
704 sizeof(unsigned char));
706 for (i = N_ppm; i > 0; i--) { /* Read packet header */
707 j2k_cp->ppm_data[j] = cio_read(1);
711 break; /* Case of non-finished packet header in present marker but finished in next one */
714 j2k_cp->ppm_previous = i - 1;
715 j2k_cp->ppm_store = j;
721 int len, Z_ppt, i, j = 0;
726 tcp = &j2k_cp->tcps[j2k_curtileno];
728 if (Z_ppt == 0) { /* First PPT marker */
730 (unsigned char *) calloc(len - 3, sizeof(unsigned char));
732 } else /* NON-first PPT marker */
734 (unsigned char *) realloc(tcp->ppt_data,
737 sizeof(unsigned char));
740 for (i = len - 3; i > 0; i--) {
741 tcp->ppt_data[j] = cio_read(1);
751 j2k_sot_start = cio_tell();
752 cio_write(J2K_MS_SOT, 2); /* SOT */
754 cio_skip(2); /* Lsot (further) */
755 cio_write(j2k_curtileno, 2); /* Isot */
756 cio_skip(4); /* Psot (further in j2k_write_sod) */
757 cio_write(0, 1); /* TPsot */
758 cio_write(1, 1); /* TNsot */
759 len = cio_tell() - lenp;
761 cio_write(len, 2); /* Lsot */
762 cio_seek(lenp + len);
767 int len, tileno, totlen, partno, numparts, i;
773 tileno = cio_read(2);
775 if (j2k_cp->tileno_size == 0) {
776 j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
777 j2k_cp->tileno_size++;
780 while (i < j2k_cp->tileno_size && status == 0) {
781 status = j2k_cp->tileno[i] == tileno ? 1 : 0;
785 j2k_cp->tileno[j2k_cp->tileno_size] = tileno;
786 j2k_cp->tileno_size++;
790 totlen = cio_read(4);
792 totlen = cio_numbytesleft() + 8;
794 partno = cio_read(1);
795 numparts = cio_read(1);
797 j2k_curtileno = tileno;
798 j2k_eot = cio_getbp() - 12 + totlen;
799 j2k_state = J2K_STATE_TPH;
800 tcp = &j2k_cp->tcps[j2k_curtileno];
802 if (tcp->first == 1) {
804 *tcp = j2k_default_tcp;
806 /* Initialization PPT */
808 tcp->ppt_data = NULL;
811 for (i = 0; i < j2k_img->numcomps; i++) {
812 tcp->tccps[i] = j2k_default_tcp.tccps[i];
814 j2k_cp->tcps[j2k_curtileno].first = 0;
823 static int j2k_sod_start;
825 cio_write(J2K_MS_SOD, 2);
826 if (j2k_curtileno == 0) {
827 j2k_sod_start = cio_tell() + pos_correction;
831 if (info_IM.index_on) {
832 info_IM.tile[j2k_curtileno].end_header =
833 cio_tell() + pos_correction - 1;
834 info_IM.tile[j2k_curtileno].packet =
835 (info_packet *) calloc(info_IM.Comp * info_IM.Layer *
836 (info_IM.Decomposition + 1) * 100,
837 sizeof(info_packet));
841 tcp = &j2k_cp->tcps[j2k_curtileno];
842 for (layno = 0; layno < tcp->numlayers; layno++) {
843 tcp->rates[layno] -= (j2k_sod_start / (j2k_cp->th * j2k_cp->tw));
847 if (j2k_cp->image_type)
848 l = tcd_encode_tile_pxm(j2k_curtileno, cio_getbp(),
849 cio_numbytesleft() - 2, &info_IM);
851 l = tcd_encode_tile_pgx(j2k_curtileno, cio_getbp(),
852 cio_numbytesleft() - 2, &info_IM);
854 /* Writing Psot in SOT marker */
855 totlen = cio_tell() + l - j2k_sot_start;
856 cio_seek(j2k_sot_start + 6);
857 cio_write(totlen, 4);
858 cio_seek(j2k_sot_start + totlen);
863 int len, truncate = 0, i;
866 len = int_min(j2k_eot - cio_getbp(), cio_numbytesleft() + 1);
867 if (len == cio_numbytesleft() + 1)
868 truncate = 1; /* Case of a truncate codestream */
871 (unsigned char *) malloc((j2k_tile_len[j2k_curtileno] + len) *
872 sizeof(unsigned char));
873 for (i = 0; i < j2k_tile_len[j2k_curtileno]; i++)
874 data[i] = j2k_tile_data[j2k_curtileno][i];
875 for (i = 0; i < len; i++)
876 data[i + j2k_tile_len[j2k_curtileno]] = cio_read(1);
878 j2k_tile_len[j2k_curtileno] += len;
879 free(j2k_tile_data[j2k_curtileno]);
880 j2k_tile_data[j2k_curtileno] = data;
884 j2k_state = J2K_STATE_TPHSOT;
886 j2k_state = J2K_STATE_NEOC; /* RAJOUTE !! */
889 void j2k_write_rgn(int compno, int tileno)
891 j2k_tcp_t *tcp = &j2k_cp->tcps[tileno];
893 cio_write(J2K_MS_RGN, 2); /* RGN */
894 cio_write(j2k_img->numcomps <= 256 ? 5 : 6, 2); /* Lrgn */
895 cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
896 cio_write(0, 1); /* Srgn */
897 cio_write(tcp->tccps[compno].roishift, 1); /* SPrgn */
902 int len, compno, roisty;
907 J2K_STATE_TPH ? &j2k_cp->tcps[j2k_curtileno] : &j2k_default_tcp;
908 len = cio_read(2); /* Lrgn */
909 compno = cio_read(j2k_img->numcomps <= 256 ? 1 : 2); /* Crgn */
910 roisty = cio_read(1); /* Srgn */
911 tcp->tccps[compno].roishift = cio_read(1); /* SPrgn */
916 /* fprintf(stderr, "%.8x: EOC\n", cio_tell() + pos_correction); */
917 cio_write(J2K_MS_EOC, 2);
924 tcd_init(j2k_img, j2k_cp);
926 for (i = 0; i < j2k_cp->tileno_size; i++) {
927 tileno = j2k_cp->tileno[i];
928 tcd_decode_tile(j2k_tile_data[tileno], j2k_tile_len[tileno],
932 j2k_state = J2K_STATE_MT;
933 longjmp(j2k_error, 1);
938 fprintf(stderr, "warning: unknown marker\n");
941 LIBJ2K_API int j2k_encode(j2k_image_t * img, j2k_cp_t * cp, char *outfile,
942 int len, char *index)
944 int tileno, compno, layno, resno, precno, pack_nb;
949 if (setjmp(j2k_error)) {
953 f = fopen(outfile, "wb");
956 fprintf(stderr, "failed to open %s for writing\n", outfile);
960 dest = (char *) malloc(len);
965 /* j2k_dump_cp(j2k_img, j2k_cp); */
968 info_IM.index_on = j2k_img->index_on;
969 if (info_IM.index_on) {
971 (info_tile *) malloc(j2k_cp->tw * j2k_cp->th *
973 info_IM.Im_w = j2k_img->x1 - j2k_img->x0;
974 info_IM.Im_h = j2k_img->y1 - j2k_img->y0;
975 info_IM.Prog = (&j2k_cp->tcps[0])->prg;
976 /* info_IM.Tile_x=j2k_cp->tw; old version parser */
977 /* info_IM.Tile_y=j2k_cp->th; old version parser */
978 info_IM.Tile_x = j2k_cp->tdx; /* new version parser */
979 info_IM.Tile_y = j2k_cp->tdy; /* new version parser */
980 info_IM.Comp = j2k_img->numcomps;
981 info_IM.Layer = (&j2k_cp->tcps[0])->numlayers;
982 info_IM.Decomposition =
983 (&j2k_cp->tcps[0])->tccps->numresolutions - 1;
984 info_IM.D_max = 0; /* ADD Marcela */
992 for (compno = 0; compno < j2k_img->numcomps; compno++) {
993 j2k_tcp_t *tcp = &j2k_cp->tcps[0];
994 if (tcp->tccps[compno].roishift)
995 j2k_write_rgn(compno, 0);
997 if (j2k_cp->comment != NULL)
1000 /* Writing the main header */
1001 pos_correction = cio_tell();
1002 fwrite(dest, 1, cio_tell(), f);
1005 if (info_IM.index_on) {
1006 info_IM.Main_head_end = cio_tell() - 1;
1011 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
1012 fprintf(stderr, "\nTile number %d / %d \n", tileno + 1,
1015 /* new dest for each tile */
1017 dest = (char *) malloc(len);
1018 cio_init(dest, len);
1019 j2k_curtileno = tileno;
1020 /* initialisation before tile encoding */
1023 tcd_malloc_encode(j2k_img, j2k_cp, j2k_curtileno);
1025 tcd_init_encode(j2k_img, j2k_cp, j2k_curtileno);
1029 if (info_IM.index_on) {
1030 info_IM.tile[j2k_curtileno].num_tile = j2k_curtileno;
1031 info_IM.tile[j2k_curtileno].start_pos =
1032 cio_tell() + pos_correction;
1037 for (compno = 1; compno < img->numcomps; compno++) {
1038 j2k_write_coc(compno);
1039 j2k_write_qcc(compno);
1042 if (cp->tcps[tileno].numpocs)
1047 if (info_IM.index_on) {
1048 info_IM.tile[j2k_curtileno].end_pos =
1049 cio_tell() + pos_correction - 1;
1054 if (tile->PPT) BAD PPT !!!
1059 PPT_file=fopen("PPT","rb");
1060 fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256);
1061 for (i=0;i<tile->len_ppt;i++)
1064 fread(&elmt, 1, 1, PPT_file);
1065 fwrite(&elmt,1,1,f);
1072 fwrite(dest, 1, cio_tell(), f);
1073 pos_correction = cio_tell() + pos_correction;
1077 dest = (char *) malloc(len);
1078 cio_init(dest, len);
1082 fwrite(dest, 1, 2, f);
1084 /* closing file *.j2k */
1087 /* Creation of the index file */
1088 if (info_IM.index_on) {
1089 info_IM.codestream_size = cio_tell() + pos_correction; /* Correction 14/4/03 suite rmq de Patrick */
1090 INDEX = fopen(index, "w");
1093 fprintf(stderr, "failed to open %s for writing\n", index);
1097 fprintf(INDEX, "%d %d\n", info_IM.Im_w, info_IM.Im_h);
1098 fprintf(INDEX, "%d\n", info_IM.Prog);
1099 fprintf(INDEX, "%d %d\n", info_IM.Tile_x, info_IM.Tile_y);
1100 fprintf(INDEX, "%d\n", info_IM.Comp);
1101 fprintf(INDEX, "%d\n", info_IM.Layer);
1102 fprintf(INDEX, "%d\n", info_IM.Decomposition);
1103 fprintf(INDEX, "%d %d\n", info_IM.pdx, info_IM.pdy);
1104 fprintf(INDEX, "%d\n", info_IM.Main_head_end);
1105 fprintf(INDEX, "%d\n", info_IM.codestream_size);
1106 fprintf(INDEX, "%f\n", info_IM.D_max);
1107 for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
1108 fprintf(INDEX, "%d %d %d %d", info_IM.tile[tileno].num_tile,
1109 info_IM.tile[tileno].start_pos,
1110 info_IM.tile[tileno].end_header,
1111 info_IM.tile[tileno].end_pos);
1112 /*for (layno=0;layno<info_IM.Layer;layno++)
1113 fprintf(INDEX, " %f",info_IM.tile[tileno].thresh[layno]);
1114 */ fprintf(INDEX, "\n");
1116 for (tileno = 0; tileno < j2k_cp->tw * j2k_cp->th; tileno++) {
1118 if (info_IM.Prog == 0) { /* LRCP */
1119 for (layno = 0; layno < info_IM.Layer; layno++) {
1120 for (resno = 0; resno < info_IM.Decomposition + 1;
1122 for (compno = 0; compno < info_IM.Comp; compno++) {
1125 info_IM.tile[tileno].pw *
1126 info_IM.tile[tileno].ph; precno++) {
1128 "%d %d %d %d %d %d %d %d %.08f\n",
1129 pack_nb, tileno, layno, resno,
1131 info_IM.tile[tileno].
1132 packet[pack_nb].start_pos,
1133 info_IM.tile[tileno].
1134 packet[pack_nb].end_pos,
1135 info_IM.tile[tileno].
1136 packet[pack_nb].disto /
1138 /*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); */
1144 } else if (info_IM.Prog == 1) { /* RLCP */
1145 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1146 for (layno = 0; layno < info_IM.Layer; layno++) {
1147 for (compno = 0; compno < info_IM.Comp; compno++) {
1149 precno < info_IM.pw * info_IM.ph;
1151 /* 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); */
1152 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1153 pack_nb, tileno, layno, resno,
1155 info_IM.tile[tileno].
1156 packet[pack_nb].start_pos,
1157 info_IM.tile[tileno].
1158 packet[pack_nb].end_pos);
1164 } else if (info_IM.Prog == 2) { /* RPCL */
1165 for (resno = 0; resno < info_IM.Decomposition + 1; resno++) {
1166 for (precno = 0; precno < info_IM.pw * info_IM.ph;
1168 for (compno = 0; compno < info_IM.Comp; compno++) {
1169 for (layno = 0; layno < info_IM.Layer; layno++) {
1170 /* 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); */
1171 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1172 pack_nb, tileno, layno, resno,
1174 info_IM.tile[tileno].
1175 packet[pack_nb].start_pos,
1176 info_IM.tile[tileno].
1177 packet[pack_nb].end_pos);
1183 } else if (info_IM.Prog == 3) { /* PCRL */
1184 for (precno = 0; precno < info_IM.pw * info_IM.ph;
1186 for (compno = 0; compno < info_IM.Comp; compno++) {
1187 for (resno = 0; resno < info_IM.Decomposition + 1;
1189 for (layno = 0; layno < info_IM.Layer; layno++) {
1190 /* 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); */
1191 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1192 pack_nb, tileno, layno, resno,
1194 info_IM.tile[tileno].
1195 packet[pack_nb].start_pos,
1196 info_IM.tile[tileno].
1197 packet[pack_nb].end_pos);
1205 for (compno = 0; compno < info_IM.Comp; compno++) {
1206 for (precno = 0; precno < info_IM.pw * info_IM.ph;
1208 for (resno = 0; resno < info_IM.Decomposition + 1;
1210 for (layno = 0; layno < info_IM.Layer; layno++) {
1211 /*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); */
1212 fprintf(INDEX, "%d %d %d %d %d %d %d %d\n",
1213 pack_nb, tileno, layno, resno,
1215 info_IM.tile[tileno].
1216 packet[pack_nb].start_pos,
1217 info_IM.tile[tileno].
1218 packet[pack_nb].end_pos);
1238 } j2k_dec_mstabent_t;
1240 j2k_dec_mstabent_t j2k_dec_mstab[] = {
1241 {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc},
1242 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot},
1243 {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod},
1244 {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc},
1245 {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz},
1246 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod},
1247 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc},
1248 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn},
1249 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd},
1250 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc},
1251 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc},
1252 {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm},
1253 {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm},
1254 {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt},
1255 {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm},
1256 {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt},
1258 {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg},
1259 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com},
1260 {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk}
1263 j2k_dec_mstabent_t *j2k_dec_mstab_lookup(int id)
1265 j2k_dec_mstabent_t *e;
1266 for (e = j2k_dec_mstab; e->id != 0; e++) {
1274 LIBJ2K_API int j2k_decode(unsigned char *src, int len, j2k_image_t ** img,
1275 j2k_cp_t ** cp, j2k_option_t option)
1278 if (setjmp(j2k_error)) {
1279 if (j2k_state != J2K_STATE_MT) {
1280 fprintf(stderr, "WARNING: incomplete bitstream\n");
1283 return cio_numbytes();
1286 j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
1287 j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
1291 j2k_cp->reduce_on = option.reduce_on;
1292 j2k_cp->reduce_value = option.reduce_value;
1294 j2k_state = J2K_STATE_MHSOC;
1298 j2k_dec_mstabent_t *e;
1299 int id = cio_read(2);
1300 if (id >> 8 != 0xff) {
1301 fprintf(stderr, "%.8x: expected a marker instead of %x\n",
1302 cio_tell() - 2, id);
1305 e = j2k_dec_mstab_lookup(id);
1306 if (!(j2k_state & e->states)) {
1307 fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2,
1314 if (j2k_state == J2K_STATE_NEOC)
1315 break; /* RAJOUTE */
1317 if (j2k_state == J2K_STATE_NEOC)
1318 j2k_read_eoc(); /* RAJOUTE */
1324 * Read a JPT-stream and decode file
1327 int j2k_decode_jpt_stream(unsigned char *src, int len, j2k_image_t ** img,
1330 jpt_msg_header_struct_t header;
1333 if (setjmp(j2k_error)) {
1334 if (j2k_state != J2K_STATE_MT) {
1335 fprintf(stderr, "WARNING: incomplete bitstream\n");
1338 return cio_numbytes();
1341 j2k_img = (j2k_image_t *) malloc(sizeof(j2k_image_t));
1342 j2k_cp = (j2k_cp_t *) malloc(sizeof(j2k_cp_t));
1346 j2k_state = J2K_STATE_MHSOC;
1349 /* Initialize the header */
1350 jpt_init_Msg_Header(&header);
1351 /* Read the first header of the message */
1352 jpt_read_Msg_Header(&header);
1354 position = cio_tell();
1355 if (header.Class_Id != 6) { /* 6 : Main header data-bin message */
1357 "[JPT-stream] : Expecting Main header first [class_Id %d] !\n",
1363 j2k_dec_mstabent_t *e;
1366 if (!cio_numbytesleft()) {
1370 /* data-bin read -> need to read a new header */
1371 if ((cio_tell() - position) == header.Msg_length) {
1372 jpt_read_Msg_Header(&header);
1373 position = cio_tell();
1374 if (header.Class_Id != 4) { /* 4 : Tile data-bin message */
1375 fprintf(stderr, "[JPT-stream] : Expecting Tile info !\n");
1381 if (id >> 8 != 0xff) {
1382 fprintf(stderr, "%.8x: expected a marker instead of %x\n",
1383 cio_tell() - 2, id);
1386 e = j2k_dec_mstab_lookup(id);
1387 if (!(j2k_state & e->states)) {
1388 fprintf(stderr, "%.8x: unexpected marker %x\n", cio_tell() - 2,
1395 if (j2k_state == J2K_STATE_NEOC)
1396 break; /* RAJOUTE */
1398 if (j2k_state == J2K_STATE_NEOC)
1399 j2k_read_eoc(); /* RAJOUTE */
1405 #include <windows.h>
1407 BOOL APIENTRY DllMain(HANDLE hModule, DWORD ul_reason_for_call,
1410 switch (ul_reason_for_call) {
1411 case DLL_PROCESS_ATTACH:
1412 case DLL_THREAD_ATTACH:
1413 case DLL_THREAD_DETACH:
1414 case DLL_PROCESS_DETACH: