diff options
Diffstat (limited to 'Source/LibOpenJPEG/j2k.c')
| -rw-r--r-- | Source/LibOpenJPEG/j2k.c | 2509 |
1 files changed, 2509 insertions, 0 deletions
diff --git a/Source/LibOpenJPEG/j2k.c b/Source/LibOpenJPEG/j2k.c new file mode 100644 index 0000000..563efd6 --- /dev/null +++ b/Source/LibOpenJPEG/j2k.c @@ -0,0 +1,2509 @@ +/* + * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2007, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2006-2007, Parvatha Elangovan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "opj_includes.h" + +/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */ +/*@{*/ + +/** @name Local static functions */ +/*@{*/ + +/** +Write the SOC marker (Start Of Codestream) +@param j2k J2K handle +*/ +static void j2k_write_soc(opj_j2k_t *j2k); +/** +Read the SOC marker (Start of Codestream) +@param j2k J2K handle +*/ +static void j2k_read_soc(opj_j2k_t *j2k); +/** +Write the SIZ marker (image and tile size) +@param j2k J2K handle +*/ +static void j2k_write_siz(opj_j2k_t *j2k); +/** +Read the SIZ marker (image and tile size) +@param j2k J2K handle +*/ +static void j2k_read_siz(opj_j2k_t *j2k); +/** +Write the COM marker (comment) +@param j2k J2K handle +*/ +static void j2k_write_com(opj_j2k_t *j2k); +/** +Read the COM marker (comment) +@param j2k J2K handle +*/ +static void j2k_read_com(opj_j2k_t *j2k); +/** +Write the value concerning the specified component in the marker COD and COC +@param j2k J2K handle +@param compno Number of the component concerned by the information written +*/ +static void j2k_write_cox(opj_j2k_t *j2k, int compno); +/** +Read the value concerning the specified component in the marker COD and COC +@param j2k J2K handle +@param compno Number of the component concerned by the information read +*/ +static void j2k_read_cox(opj_j2k_t *j2k, int compno); +/** +Write the COD marker (coding style default) +@param j2k J2K handle +*/ +static void j2k_write_cod(opj_j2k_t *j2k); +/** +Read the COD marker (coding style default) +@param j2k J2K handle +*/ +static void j2k_read_cod(opj_j2k_t *j2k); +/** +Write the COC marker (coding style component) +@param j2k J2K handle +@param compno Number of the component concerned by the information written +*/ +static void j2k_write_coc(opj_j2k_t *j2k, int compno); +/** +Read the COC marker (coding style component) +@param j2k J2K handle +*/ +static void j2k_read_coc(opj_j2k_t *j2k); +/** +Write the value concerning the specified component in the marker QCD and QCC +@param j2k J2K handle +@param compno Number of the component concerned by the information written +*/ +static void j2k_write_qcx(opj_j2k_t *j2k, int compno); +/** +Read the value concerning the specified component in the marker QCD and QCC +@param j2k J2K handle +@param compno Number of the component concern by the information read +@param len Length of the information in the QCX part of the marker QCD/QCC +*/ +static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len); +/** +Write the QCD marker (quantization default) +@param j2k J2K handle +*/ +static void j2k_write_qcd(opj_j2k_t *j2k); +/** +Read the QCD marker (quantization default) +@param j2k J2K handle +*/ +static void j2k_read_qcd(opj_j2k_t *j2k); +/** +Write the QCC marker (quantization component) +@param j2k J2K handle +@param compno Number of the component concerned by the information written +*/ +static void j2k_write_qcc(opj_j2k_t *j2k, int compno); +/** +Read the QCC marker (quantization component) +@param j2k J2K handle +*/ +static void j2k_read_qcc(opj_j2k_t *j2k); +/** +Write the POC marker (progression order change) +@param j2k J2K handle +*/ +static void j2k_write_poc(opj_j2k_t *j2k); +/** +Read the POC marker (progression order change) +@param j2k J2K handle +*/ +static void j2k_read_poc(opj_j2k_t *j2k); +/** +Read the CRG marker (component registration) +@param j2k J2K handle +*/ +static void j2k_read_crg(opj_j2k_t *j2k); +/** +Read the TLM marker (tile-part lengths) +@param j2k J2K handle +*/ +static void j2k_read_tlm(opj_j2k_t *j2k); +/** +Read the PLM marker (packet length, main header) +@param j2k J2K handle +*/ +static void j2k_read_plm(opj_j2k_t *j2k); +/** +Read the PLT marker (packet length, tile-part header) +@param j2k J2K handle +*/ +static void j2k_read_plt(opj_j2k_t *j2k); +/** +Read the PPM marker (packet packet headers, main header) +@param j2k J2K handle +*/ +static void j2k_read_ppm(opj_j2k_t *j2k); +/** +Read the PPT marker (packet packet headers, tile-part header) +@param j2k J2K handle +*/ +static void j2k_read_ppt(opj_j2k_t *j2k); +/** +Write the TLM marker (Mainheader) +@param j2k J2K handle +*/ +static void j2k_write_tlm(opj_j2k_t *j2k); +/** +Write the SOT marker (start of tile-part) +@param j2k J2K handle +*/ +static void j2k_write_sot(opj_j2k_t *j2k); +/** +Read the SOT marker (start of tile-part) +@param j2k J2K handle +*/ +static void j2k_read_sot(opj_j2k_t *j2k); +/** +Write the SOD marker (start of data) +@param j2k J2K handle +@param tile_coder Pointer to a TCD handle +*/ +static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder); +/** +Read the SOD marker (start of data) +@param j2k J2K handle +*/ +static void j2k_read_sod(opj_j2k_t *j2k); +/** +Write the RGN marker (region-of-interest) +@param j2k J2K handle +@param compno Number of the component concerned by the information written +@param tileno Number of the tile concerned by the information written +*/ +static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno); +/** +Read the RGN marker (region-of-interest) +@param j2k J2K handle +*/ +static void j2k_read_rgn(opj_j2k_t *j2k); +/** +Write the EOC marker (end of codestream) +@param j2k J2K handle +*/ +static void j2k_write_eoc(opj_j2k_t *j2k); +/** +Read the EOC marker (end of codestream) +@param j2k J2K handle +*/ +static void j2k_read_eoc(opj_j2k_t *j2k); +/** +Read an unknown marker +@param j2k J2K handle +*/ +static void j2k_read_unk(opj_j2k_t *j2k); + +/*@}*/ + +/*@}*/ + +/* ----------------------------------------------------------------------- */ +typedef struct j2k_prog_order{ + OPJ_PROG_ORDER enum_prog; + char str_prog[4]; +}j2k_prog_order_t; + +j2k_prog_order_t j2k_prog_order_list[] = { + {CPRL, "CPRL"}, + {LRCP, "LRCP"}, + {PCRL, "PCRL"}, + {RLCP, "RLCP"}, + {RPCL, "RPCL"}, + {-1, ""} +}; + +char *j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){ + j2k_prog_order_t *po; + for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){ + if(po->enum_prog == prg_order){ + break; + } + } + return po->str_prog; +} + +void j2k_dump_image(FILE *fd, opj_image_t * img) { + int compno; + fprintf(fd, "image {\n"); + fprintf(fd, " x0=%d, y0=%d, x1=%d, y1=%d\n", img->x0, img->y0, img->x1, img->y1); + fprintf(fd, " numcomps=%d\n", img->numcomps); + for (compno = 0; compno < img->numcomps; compno++) { + opj_image_comp_t *comp = &img->comps[compno]; + fprintf(fd, " comp %d {\n", compno); + fprintf(fd, " dx=%d, dy=%d\n", comp->dx, comp->dy); + fprintf(fd, " prec=%d\n", comp->prec); + fprintf(fd, " sgnd=%d\n", comp->sgnd); + fprintf(fd, " }\n"); + } + fprintf(fd, "}\n"); +} + +void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) { + int tileno, compno, layno, bandno, resno, numbands; + fprintf(fd, "coding parameters {\n"); + fprintf(fd, " tx0=%d, ty0=%d\n", cp->tx0, cp->ty0); + fprintf(fd, " tdx=%d, tdy=%d\n", cp->tdx, cp->tdy); + fprintf(fd, " tw=%d, th=%d\n", cp->tw, cp->th); + for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { + opj_tcp_t *tcp = &cp->tcps[tileno]; + fprintf(fd, " tile %d {\n", tileno); + fprintf(fd, " csty=%x\n", tcp->csty); + fprintf(fd, " prg=%d\n", tcp->prg); + fprintf(fd, " numlayers=%d\n", tcp->numlayers); + fprintf(fd, " mct=%d\n", tcp->mct); + fprintf(fd, " rates="); + for (layno = 0; layno < tcp->numlayers; layno++) { + fprintf(fd, "%.1f ", tcp->rates[layno]); + } + fprintf(fd, "\n"); + for (compno = 0; compno < img->numcomps; compno++) { + opj_tccp_t *tccp = &tcp->tccps[compno]; + fprintf(fd, " comp %d {\n", compno); + fprintf(fd, " csty=%x\n", tccp->csty); + fprintf(fd, " numresolutions=%d\n", tccp->numresolutions); + fprintf(fd, " cblkw=%d\n", tccp->cblkw); + fprintf(fd, " cblkh=%d\n", tccp->cblkh); + fprintf(fd, " cblksty=%x\n", tccp->cblksty); + fprintf(fd, " qmfbid=%d\n", tccp->qmfbid); + fprintf(fd, " qntsty=%d\n", tccp->qntsty); + fprintf(fd, " numgbits=%d\n", tccp->numgbits); + fprintf(fd, " roishift=%d\n", tccp->roishift); + fprintf(fd, " stepsizes="); + numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2; + for (bandno = 0; bandno < numbands; bandno++) { + fprintf(fd, "(%d,%d) ", tccp->stepsizes[bandno].mant, + tccp->stepsizes[bandno].expn); + } + fprintf(fd, "\n"); + + if (tccp->csty & J2K_CCP_CSTY_PRT) { + fprintf(fd, " prcw="); + for (resno = 0; resno < tccp->numresolutions; resno++) { + fprintf(fd, "%d ", tccp->prcw[resno]); + } + fprintf(fd, "\n"); + fprintf(fd, " prch="); + for (resno = 0; resno < tccp->numresolutions; resno++) { + fprintf(fd, "%d ", tccp->prch[resno]); + } + fprintf(fd, "\n"); + } + fprintf(fd, " }\n"); + } + fprintf(fd, " }\n"); + } + fprintf(fd, "}\n"); +} + +/* ----------------------------------------------------------------------- */ +static int j2k_get_num_tp(opj_cp_t *cp,int pino,int tileno){ + char *prog; + int i; + int tpnum=1,tpend=0; + opj_tcp_t *tcp = &cp->tcps[tileno]; + prog = j2k_convert_progression_order(tcp->prg); + + if(cp->tp_on == 1){ + for(i=0;i<4;i++){ + if(tpend!=1){ + if( cp->tp_flag == prog[i] ){ + tpend=1;cp->tp_pos=i; + } + switch(prog[i]){ + case 'C': + tpnum= tpnum * tcp->pocs[pino].compE; + break; + case 'R': + tpnum= tpnum * tcp->pocs[pino].resE; + break; + case 'P': + tpnum= tpnum * tcp->pocs[pino].prcE; + break; + case 'L': + tpnum= tpnum * tcp->pocs[pino].layE; + break; + } + } + } + }else{ + tpnum=1; + } + return tpnum; +} + +/** mem allocation for TLM marker*/ +int j2k_calculate_tp(opj_cp_t *cp,int img_numcomp,opj_image_t *image,opj_j2k_t *j2k ){ + int pino,tileno,totnum_tp=0; + j2k->cur_totnum_tp = (int *) opj_malloc(cp->tw * cp->th * sizeof(int)); + for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { + int cur_totnum_tp = 0; + opj_tcp_t *tcp = &cp->tcps[tileno]; + for(pino = 0; pino <= tcp->numpocs; pino++) { + int tp_num=0; + opj_pi_iterator_t *pi = pi_initialise_encode(image, cp, tileno,FINAL_PASS); + if(!pi) { return -1;} + tp_num = j2k_get_num_tp(cp,pino,tileno); + totnum_tp = totnum_tp + tp_num; + cur_totnum_tp = cur_totnum_tp + tp_num; + pi_destroy(pi, cp, tileno); + } + j2k->cur_totnum_tp[tileno] = cur_totnum_tp; + /* INDEX >> */ + if (j2k->cstr_info) { + j2k->cstr_info->tile[tileno].num_tps = cur_totnum_tp; + j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t)); + } + /* << INDEX */ + } + return totnum_tp; +} + +static void j2k_write_soc(opj_j2k_t *j2k) { + opj_cio_t *cio = j2k->cio; + cio_write(cio, J2K_MS_SOC, 2); + +/* UniPG>> */ +#ifdef USE_JPWL + + /* update markers struct */ + j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2); + +#endif /* USE_JPWL */ +/* <<UniPG */ +} + +static void j2k_read_soc(opj_j2k_t *j2k) { + j2k->state = J2K_STATE_MHSIZ; + /* Index */ + if (j2k->cstr_info) { + j2k->cstr_info->main_head_start = cio_tell(j2k->cio) - 2; + j2k->cstr_info->codestream_size = cio_numbytesleft(j2k->cio) + 2 - j2k->cstr_info->main_head_start; + } +} + +static void j2k_write_siz(opj_j2k_t *j2k) { + int i; + int lenp, len; + + opj_cio_t *cio = j2k->cio; + opj_image_t *image = j2k->image; + opj_cp_t *cp = j2k->cp; + + cio_write(cio, J2K_MS_SIZ, 2); /* SIZ */ + lenp = cio_tell(cio); + cio_skip(cio, 2); + cio_write(cio, cp->rsiz, 2); /* Rsiz (capabilities) */ + cio_write(cio, image->x1, 4); /* Xsiz */ + cio_write(cio, image->y1, 4); /* Ysiz */ + cio_write(cio, image->x0, 4); /* X0siz */ + cio_write(cio, image->y0, 4); /* Y0siz */ + cio_write(cio, cp->tdx, 4); /* XTsiz */ + cio_write(cio, cp->tdy, 4); /* YTsiz */ + cio_write(cio, cp->tx0, 4); /* XT0siz */ + cio_write(cio, cp->ty0, 4); /* YT0siz */ + cio_write(cio, image->numcomps, 2); /* Csiz */ + for (i = 0; i < image->numcomps; i++) { + cio_write(cio, image->comps[i].prec - 1 + (image->comps[i].sgnd << 7), 1); /* Ssiz_i */ + cio_write(cio, image->comps[i].dx, 1); /* XRsiz_i */ + cio_write(cio, image->comps[i].dy, 1); /* YRsiz_i */ + } + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); /* Lsiz */ + cio_seek(cio, lenp + len); +} + +static void j2k_read_siz(opj_j2k_t *j2k) { + int len, i; + + opj_cio_t *cio = j2k->cio; + opj_image_t *image = j2k->image; + opj_cp_t *cp = j2k->cp; + + len = cio_read(cio, 2); /* Lsiz */ + cio_read(cio, 2); /* Rsiz (capabilities) */ + image->x1 = cio_read(cio, 4); /* Xsiz */ + image->y1 = cio_read(cio, 4); /* Ysiz */ + image->x0 = cio_read(cio, 4); /* X0siz */ + image->y0 = cio_read(cio, 4); /* Y0siz */ + cp->tdx = cio_read(cio, 4); /* XTsiz */ + cp->tdy = cio_read(cio, 4); /* YTsiz */ + cp->tx0 = cio_read(cio, 4); /* XT0siz */ + cp->ty0 = cio_read(cio, 4); /* YT0siz */ + + if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n", + image->x0,image->x1,image->y0,image->y1); + return; + } + + image->numcomps = cio_read(cio, 2); /* Csiz */ + +#ifdef USE_JPWL + if (j2k->cp->correct) { + /* if JPWL is on, we check whether TX errors have damaged + too much the SIZ parameters */ + if (!(image->x1 * image->y1)) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: bad image size (%d x %d)\n", + image->x1, image->y1); + if (!JPWL_ASSUME || JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + } + if (image->numcomps != ((len - 38) / 3)) { + opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, + "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n", + image->numcomps, ((len - 38) / 3)); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n"); + if (image->numcomps < ((len - 38) / 3)) { + len = 38 + 3 * image->numcomps; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n", + len); + } else { + image->numcomps = ((len - 38) / 3); + opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n", + image->numcomps); + } + } + + /* update components number in the jpwl_exp_comps filed */ + cp->exp_comps = image->numcomps; + } +#endif /* USE_JPWL */ + + image->comps = (opj_image_comp_t*) opj_calloc(image->numcomps, sizeof(opj_image_comp_t)); + for (i = 0; i < image->numcomps; i++) { + int tmp, w, h; + tmp = cio_read(cio, 1); /* Ssiz_i */ + image->comps[i].prec = (tmp & 0x7f) + 1; + image->comps[i].sgnd = tmp >> 7; + image->comps[i].dx = cio_read(cio, 1); /* XRsiz_i */ + image->comps[i].dy = cio_read(cio, 1); /* YRsiz_i */ + +#ifdef USE_JPWL + if (j2k->cp->correct) { + /* if JPWL is on, we check whether TX errors have damaged + too much the SIZ parameters, again */ + if (!(image->comps[i].dx * image->comps[i].dy)) { + opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, + "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n", + i, i, image->comps[i].dx, image->comps[i].dy); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"); + if (!image->comps[i].dx) { + image->comps[i].dx = 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n", + i, image->comps[i].dx); + } + if (!image->comps[i].dy) { + image->comps[i].dy = 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n", + i, image->comps[i].dy); + } + } + + } +#endif /* USE_JPWL */ + + /* TODO: unused ? */ + w = int_ceildiv(image->x1 - image->x0, image->comps[i].dx); + h = int_ceildiv(image->y1 - image->y0, image->comps[i].dy); + + image->comps[i].resno_decoded = 0; /* number of resolution decoded */ + image->comps[i].factor = cp->reduce; /* reducing factor per component */ + } + + cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx); + cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy); + +#ifdef USE_JPWL + if (j2k->cp->correct) { + /* if JPWL is on, we check whether TX errors have damaged + too much the SIZ parameters */ + if ((cp->tw < 1) || (cp->th < 1) || (cp->tw > cp->max_tiles) || (cp->th > cp->max_tiles)) { + opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, + "JPWL: bad number of tiles (%d x %d)\n", + cp->tw, cp->th); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n"); + if (cp->tw < 1) { + cp->tw= 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n", + cp->tw); + } + if (cp->tw > cp->max_tiles) { + cp->tw= 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large x, increase expectance of %d\n" + "- setting %d tiles in x => HYPOTHESIS!!!\n", + cp->max_tiles, cp->tw); + } + if (cp->th < 1) { + cp->th= 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n", + cp->th); + } + if (cp->th > cp->max_tiles) { + cp->th= 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- too large y, increase expectance of %d to continue\n", + "- setting %d tiles in y => HYPOTHESIS!!!\n", + cp->max_tiles, cp->th); + } + } + } +#endif /* USE_JPWL */ + + cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t)); + cp->tileno = (int*) opj_malloc(cp->tw * cp->th * sizeof(int)); + cp->tileno_size = 0; + +#ifdef USE_JPWL + if (j2k->cp->correct) { + if (!cp->tcps) { + opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, + "JPWL: could not alloc tcps field of cp\n"); + if (!JPWL_ASSUME || JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + } + } +#endif /* USE_JPWL */ + + for (i = 0; i < cp->tw * cp->th; i++) { + cp->tcps[i].POC = 0; + cp->tcps[i].numpocs = 0; + cp->tcps[i].first = 1; + } + + /* Initialization for PPM marker */ + cp->ppm = 0; + cp->ppm_data = NULL; + cp->ppm_data_first = NULL; + cp->ppm_previous = 0; + cp->ppm_store = 0; + + j2k->default_tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t)); + for (i = 0; i < cp->tw * cp->th; i++) { + cp->tcps[i].tccps = (opj_tccp_t*) opj_malloc(image->numcomps * sizeof(opj_tccp_t)); + } + j2k->tile_data = (unsigned char**) opj_calloc(cp->tw * cp->th, sizeof(unsigned char*)); + j2k->tile_len = (int*) opj_calloc(cp->tw * cp->th, sizeof(int)); + j2k->state = J2K_STATE_MH; + + /* Index */ + if (j2k->cstr_info) { + opj_codestream_info_t *cstr_info = j2k->cstr_info; + cstr_info->image_w = image->x1 - image->x0; + cstr_info->image_h = image->y1 - image->y0; + cstr_info->numcomps = image->numcomps; + cstr_info->tw = cp->tw; + cstr_info->th = cp->th; + cstr_info->tile_x = cp->tdx; + cstr_info->tile_y = cp->tdy; + cstr_info->tile_Ox = cp->tx0; + cstr_info->tile_Oy = cp->ty0; + cstr_info->tile = (opj_tile_info_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tile_info_t)); + } +} + +static void j2k_write_com(opj_j2k_t *j2k) { + unsigned int i; + int lenp, len; + + if(j2k->cp->comment) { + opj_cio_t *cio = j2k->cio; + char *comment = j2k->cp->comment; + + cio_write(cio, J2K_MS_COM, 2); + lenp = cio_tell(cio); + cio_skip(cio, 2); + cio_write(cio, 1, 2); /* General use (IS 8859-15:1999 (Latin) values) */ + for (i = 0; i < strlen(comment); i++) { + cio_write(cio, comment[i], 1); + } + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); + cio_seek(cio, lenp + len); + } +} + +static void j2k_read_com(opj_j2k_t *j2k) { + int len; + + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); + cio_skip(cio, len - 2); +} + +static void j2k_write_cox(opj_j2k_t *j2k, int compno) { + int i; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = &cp->tcps[j2k->curtileno]; + opj_tccp_t *tccp = &tcp->tccps[compno]; + opj_cio_t *cio = j2k->cio; + + cio_write(cio, tccp->numresolutions - 1, 1); /* SPcox (D) */ + cio_write(cio, tccp->cblkw - 2, 1); /* SPcox (E) */ + cio_write(cio, tccp->cblkh - 2, 1); /* SPcox (F) */ + cio_write(cio, tccp->cblksty, 1); /* SPcox (G) */ + cio_write(cio, tccp->qmfbid, 1); /* SPcox (H) */ + + if (tccp->csty & J2K_CCP_CSTY_PRT) { + for (i = 0; i < tccp->numresolutions; i++) { + cio_write(cio, tccp->prcw[i] + (tccp->prch[i] << 4), 1); /* SPcox (I_i) */ + } + } +} + +static void j2k_read_cox(opj_j2k_t *j2k, int compno) { + int i; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp; + opj_tccp_t *tccp = &tcp->tccps[compno]; + opj_cio_t *cio = j2k->cio; + + tccp->numresolutions = cio_read(cio, 1) + 1; /* SPcox (D) */ + + // If user wants to remove more resolutions than the codestream contains, return error + if (cp->reduce >= tccp->numresolutions) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number " + "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno); + j2k->state |= J2K_STATE_ERR; + } + + tccp->cblkw = cio_read(cio, 1) + 2; /* SPcox (E) */ + tccp->cblkh = cio_read(cio, 1) + 2; /* SPcox (F) */ + tccp->cblksty = cio_read(cio, 1); /* SPcox (G) */ + tccp->qmfbid = cio_read(cio, 1); /* SPcox (H) */ + if (tccp->csty & J2K_CP_CSTY_PRT) { + for (i = 0; i < tccp->numresolutions; i++) { + int tmp = cio_read(cio, 1); /* SPcox (I_i) */ + tccp->prcw[i] = tmp & 0xf; + tccp->prch[i] = tmp >> 4; + } + } + + /* INDEX >> */ + if(j2k->cstr_info && compno == 0) { + for (i = 0; i < tccp->numresolutions; i++) { + if (tccp->csty & J2K_CP_CSTY_PRT) { + j2k->cstr_info->tile[j2k->curtileno].pdx[i] = tccp->prcw[i]; + j2k->cstr_info->tile[j2k->curtileno].pdy[i] = tccp->prch[i]; + } + else { + j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15; + j2k->cstr_info->tile[j2k->curtileno].pdx[i] = 15; + } + } + } + /* << INDEX */ +} + +static void j2k_write_cod(opj_j2k_t *j2k) { + opj_cp_t *cp = NULL; + opj_tcp_t *tcp = NULL; + int lenp, len; + + opj_cio_t *cio = j2k->cio; + + cio_write(cio, J2K_MS_COD, 2); /* COD */ + + lenp = cio_tell(cio); + cio_skip(cio, 2); + + cp = j2k->cp; + tcp = &cp->tcps[j2k->curtileno]; + + cio_write(cio, tcp->csty, 1); /* Scod */ + cio_write(cio, tcp->prg, 1); /* SGcod (A) */ + cio_write(cio, tcp->numlayers, 2); /* SGcod (B) */ + cio_write(cio, tcp->mct, 1); /* SGcod (C) */ + + j2k_write_cox(j2k, 0); + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); /* Lcod */ + cio_seek(cio, lenp + len); +} + +static void j2k_read_cod(opj_j2k_t *j2k) { + int len, i, pos; + + opj_cio_t *cio = j2k->cio; + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp; + opj_image_t *image = j2k->image; + + len = cio_read(cio, 2); /* Lcod */ + tcp->csty = cio_read(cio, 1); /* Scod */ + tcp->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* SGcod (A) */ + tcp->numlayers = cio_read(cio, 2); /* SGcod (B) */ + tcp->mct = cio_read(cio, 1); /* SGcod (C) */ + + pos = cio_tell(cio); + for (i = 0; i < image->numcomps; i++) { + tcp->tccps[i].csty = tcp->csty & J2K_CP_CSTY_PRT; + cio_seek(cio, pos); + j2k_read_cox(j2k, i); + } + + /* Index */ + if (j2k->cstr_info) { + opj_codestream_info_t *cstr_info = j2k->cstr_info; + cstr_info->prog = tcp->prg; + cstr_info->numlayers = tcp->numlayers; + cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int)); + for (i = 0; i < image->numcomps; i++) { + cstr_info->numdecompos[i] = tcp->tccps[i].numresolutions - 1; + } + } +} + +static void j2k_write_coc(opj_j2k_t *j2k, int compno) { + int lenp, len; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = &cp->tcps[j2k->curtileno]; + opj_image_t *image = j2k->image; + opj_cio_t *cio = j2k->cio; + + cio_write(cio, J2K_MS_COC, 2); /* COC */ + lenp = cio_tell(cio); + cio_skip(cio, 2); + cio_write(cio, compno, image->numcomps <= 256 ? 1 : 2); /* Ccoc */ + cio_write(cio, tcp->tccps[compno].csty, 1); /* Scoc */ + j2k_write_cox(j2k, compno); + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); /* Lcoc */ + cio_seek(cio, lenp + len); +} + +static void j2k_read_coc(opj_j2k_t *j2k) { + int len, compno; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp; + opj_image_t *image = j2k->image; + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); /* Lcoc */ + compno = cio_read(cio, image->numcomps <= 256 ? 1 : 2); /* Ccoc */ + tcp->tccps[compno].csty = cio_read(cio, 1); /* Scoc */ + j2k_read_cox(j2k, compno); +} + +static void j2k_write_qcx(opj_j2k_t *j2k, int compno) { + int bandno, numbands; + int expn, mant; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = &cp->tcps[j2k->curtileno]; + opj_tccp_t *tccp = &tcp->tccps[compno]; + opj_cio_t *cio = j2k->cio; + + cio_write(cio, tccp->qntsty + (tccp->numgbits << 5), 1); /* Sqcx */ + numbands = tccp->qntsty == J2K_CCP_QNTSTY_SIQNT ? 1 : tccp->numresolutions * 3 - 2; + + for (bandno = 0; bandno < numbands; bandno++) { + expn = tccp->stepsizes[bandno].expn; + mant = tccp->stepsizes[bandno].mant; + + if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { + cio_write(cio, expn << 3, 1); /* SPqcx_i */ + } else { + cio_write(cio, (expn << 11) + mant, 2); /* SPqcx_i */ + } + } +} + +static void j2k_read_qcx(opj_j2k_t *j2k, int compno, int len) { + int tmp; + int bandno, numbands; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp; + opj_tccp_t *tccp = &tcp->tccps[compno]; + opj_cio_t *cio = j2k->cio; + + tmp = cio_read(cio, 1); /* Sqcx */ + tccp->qntsty = tmp & 0x1f; + tccp->numgbits = tmp >> 5; + numbands = (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? + 1 : ((tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ? len - 1 : (len - 1) / 2); + +#ifdef USE_JPWL + if (j2k->cp->correct) { + + /* if JPWL is on, we check whether there are too many subbands */ + if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) { + opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR, + "JPWL: bad number of subbands in Sqcx (%d)\n", + numbands); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + numbands = 1; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust them\n" + "- setting number of bands to %d => HYPOTHESIS!!!\n", + numbands); + }; + + }; +#endif /* USE_JPWL */ + + for (bandno = 0; bandno < numbands; bandno++) { + int expn, mant; + if (tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) { + expn = cio_read(cio, 1) >> 3; /* SPqcx_i */ + mant = 0; + } else { + tmp = cio_read(cio, 2); /* SPqcx_i */ + expn = tmp >> 11; + mant = tmp & 0x7ff; + } + tccp->stepsizes[bandno].expn = expn; + tccp->stepsizes[bandno].mant = mant; + } + + /* Add Antonin : if scalar_derived -> compute other stepsizes */ + if (tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) { + for (bandno = 1; bandno < J2K_MAXBANDS; bandno++) { + tccp->stepsizes[bandno].expn = + ((tccp->stepsizes[0].expn) - ((bandno - 1) / 3) > 0) ? + (tccp->stepsizes[0].expn) - ((bandno - 1) / 3) : 0; + tccp->stepsizes[bandno].mant = tccp->stepsizes[0].mant; + } + } + /* ddA */ +} + +static void j2k_write_qcd(opj_j2k_t *j2k) { + int lenp, len; + + opj_cio_t *cio = j2k->cio; + + cio_write(cio, J2K_MS_QCD, 2); /* QCD */ + lenp = cio_tell(cio); + cio_skip(cio, 2); + j2k_write_qcx(j2k, 0); + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); /* Lqcd */ + cio_seek(cio, lenp + len); +} + +static void j2k_read_qcd(opj_j2k_t *j2k) { + int len, i, pos; + + opj_cio_t *cio = j2k->cio; + opj_image_t *image = j2k->image; + + len = cio_read(cio, 2); /* Lqcd */ + pos = cio_tell(cio); + for (i = 0; i < image->numcomps; i++) { + cio_seek(cio, pos); + j2k_read_qcx(j2k, i, len - 2); + } +} + +static void j2k_write_qcc(opj_j2k_t *j2k, int compno) { + int lenp, len; + + opj_cio_t *cio = j2k->cio; + + cio_write(cio, J2K_MS_QCC, 2); /* QCC */ + lenp = cio_tell(cio); + cio_skip(cio, 2); + cio_write(cio, compno, j2k->image->numcomps <= 256 ? 1 : 2); /* Cqcc */ + j2k_write_qcx(j2k, compno); + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); /* Lqcc */ + cio_seek(cio, lenp + len); +} + +static void j2k_read_qcc(opj_j2k_t *j2k) { + int len, compno; + int numcomp = j2k->image->numcomps; + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); /* Lqcc */ + compno = cio_read(cio, numcomp <= 256 ? 1 : 2); /* Cqcc */ + +#ifdef USE_JPWL + if (j2k->cp->correct) { + + static int backup_compno = 0; + + /* compno is negative or larger than the number of components!!! */ + if ((compno < 0) || (compno >= numcomp)) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: bad component number in QCC (%d out of a maximum of %d)\n", + compno, numcomp); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + compno = backup_compno % numcomp; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n" + "- setting component number to %d\n", + compno); + } + + /* keep your private count of tiles */ + backup_compno++; + }; +#endif /* USE_JPWL */ + + j2k_read_qcx(j2k, compno, len - 2 - (numcomp <= 256 ? 1 : 2)); +} + +static void j2k_write_poc(opj_j2k_t *j2k) { + int len, numpchgs, i; + + int numcomps = j2k->image->numcomps; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = &cp->tcps[j2k->curtileno]; + opj_tccp_t *tccp = &tcp->tccps[0]; + opj_cio_t *cio = j2k->cio; + + numpchgs = 1 + tcp->numpocs; + cio_write(cio, J2K_MS_POC, 2); /* POC */ + len = 2 + (5 + 2 * (numcomps <= 256 ? 1 : 2)) * numpchgs; + cio_write(cio, len, 2); /* Lpoc */ + for (i = 0; i < numpchgs; i++) { + opj_poc_t *poc = &tcp->pocs[i]; + cio_write(cio, poc->resno0, 1); /* RSpoc_i */ + cio_write(cio, poc->compno0, (numcomps <= 256 ? 1 : 2)); /* CSpoc_i */ + cio_write(cio, poc->layno1, 2); /* LYEpoc_i */ + poc->layno1 = int_min(poc->layno1, tcp->numlayers); + cio_write(cio, poc->resno1, 1); /* REpoc_i */ + poc->resno1 = int_min(poc->resno1, tccp->numresolutions); + cio_write(cio, poc->compno1, (numcomps <= 256 ? 1 : 2)); /* CEpoc_i */ + poc->compno1 = int_min(poc->compno1, numcomps); + cio_write(cio, poc->prg, 1); /* Ppoc_i */ + } +} + +static void j2k_read_poc(opj_j2k_t *j2k) { + int len, numpchgs, i, old_poc; + + int numcomps = j2k->image->numcomps; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp; + opj_cio_t *cio = j2k->cio; + + old_poc = tcp->POC ? tcp->numpocs + 1 : 0; + tcp->POC = 1; + len = cio_read(cio, 2); /* Lpoc */ + numpchgs = (len - 2) / (5 + 2 * (numcomps <= 256 ? 1 : 2)); + + for (i = old_poc; i < numpchgs + old_poc; i++) { + opj_poc_t *poc; + poc = &tcp->pocs[i]; + poc->resno0 = cio_read(cio, 1); /* RSpoc_i */ + poc->compno0 = cio_read(cio, numcomps <= 256 ? 1 : 2); /* CSpoc_i */ + poc->layno1 = cio_read(cio, 2); /* LYEpoc_i */ + poc->resno1 = cio_read(cio, 1); /* REpoc_i */ + poc->compno1 = int_min( + cio_read(cio, numcomps <= 256 ? 1 : 2), (unsigned int) numcomps); /* CEpoc_i */ + poc->prg = (OPJ_PROG_ORDER)cio_read(cio, 1); /* Ppoc_i */ + } + + tcp->numpocs = numpchgs + old_poc - 1; +} + +static void j2k_read_crg(opj_j2k_t *j2k) { + int len, i, Xcrg_i, Ycrg_i; + + opj_cio_t *cio = j2k->cio; + int numcomps = j2k->image->numcomps; + + len = cio_read(cio, 2); /* Lcrg */ + for (i = 0; i < numcomps; i++) { + Xcrg_i = cio_read(cio, 2); /* Xcrg_i */ + Ycrg_i = cio_read(cio, 2); /* Ycrg_i */ + } +} + +static void j2k_read_tlm(opj_j2k_t *j2k) { + int len, Ztlm, Stlm, ST, SP, tile_tlm, i; + long int Ttlm_i, Ptlm_i; + + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); /* Ltlm */ + Ztlm = cio_read(cio, 1); /* Ztlm */ + Stlm = cio_read(cio, 1); /* Stlm */ + ST = ((Stlm >> 4) & 0x01) + ((Stlm >> 4) & 0x02); + SP = (Stlm >> 6) & 0x01; + tile_tlm = (len - 4) / ((SP + 1) * 2 + ST); + for (i = 0; i < tile_tlm; i++) { + Ttlm_i = cio_read(cio, ST); /* Ttlm_i */ + Ptlm_i = cio_read(cio, SP ? 4 : 2); /* Ptlm_i */ + } +} + +static void j2k_read_plm(opj_j2k_t *j2k) { + int len, i, Zplm, Nplm, add, packet_len = 0; + + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); /* Lplm */ + Zplm = cio_read(cio, 1); /* Zplm */ + len -= 3; + while (len > 0) { + Nplm = cio_read(cio, 4); /* Nplm */ + len -= 4; + for (i = Nplm; i > 0; i--) { + add = cio_read(cio, 1); + len--; + packet_len = (packet_len << 7) + add; /* Iplm_ij */ + if ((add & 0x80) == 0) { + /* New packet */ + packet_len = 0; + } + if (len <= 0) + break; + } + } +} + +static void j2k_read_plt(opj_j2k_t *j2k) { + int len, i, Zplt, packet_len = 0, add; + + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); /* Lplt */ + Zplt = cio_read(cio, 1); /* Zplt */ + for (i = len - 3; i > 0; i--) { + add = cio_read(cio, 1); + packet_len = (packet_len << 7) + add; /* Iplt_i */ + if ((add & 0x80) == 0) { + /* New packet */ + packet_len = 0; + } + } +} + +static void j2k_read_ppm(opj_j2k_t *j2k) { + int len, Z_ppm, i, j; + int N_ppm; + + opj_cp_t *cp = j2k->cp; + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); + cp->ppm = 1; + + Z_ppm = cio_read(cio, 1); /* Z_ppm */ + len -= 3; + while (len > 0) { + if (cp->ppm_previous == 0) { + N_ppm = cio_read(cio, 4); /* N_ppm */ + len -= 4; + } else { + N_ppm = cp->ppm_previous; + } + j = cp->ppm_store; + if (Z_ppm == 0) { /* First PPM marker */ + cp->ppm_data = (unsigned char *) opj_malloc(N_ppm * sizeof(unsigned char)); + cp->ppm_data_first = cp->ppm_data; + cp->ppm_len = N_ppm; + } else { /* NON-first PPM marker */ + cp->ppm_data = (unsigned char *) opj_realloc(cp->ppm_data, (N_ppm + cp->ppm_store) * sizeof(unsigned char)); + +#ifdef USE_JPWL + /* this memory allocation check could be done even in non-JPWL cases */ + if (cp->correct) { + if (!cp->ppm_data) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: failed memory allocation during PPM marker parsing (pos. %x)\n", + cio_tell(cio)); + if (!JPWL_ASSUME || JPWL_ASSUME) { + opj_free(cp->ppm_data); + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + } + } +#endif + + cp->ppm_data_first = cp->ppm_data; + cp->ppm_len = N_ppm + cp->ppm_store; + } + for (i = N_ppm; i > 0; i--) { /* Read packet header */ + cp->ppm_data[j] = cio_read(cio, 1); + j++; + len--; + if (len == 0) + break; /* Case of non-finished packet header in present marker but finished in next one */ + } + cp->ppm_previous = i - 1; + cp->ppm_store = j; + } +} + +static void j2k_read_ppt(opj_j2k_t *j2k) { + int len, Z_ppt, i, j = 0; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = cp->tcps + j2k->curtileno; + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); + Z_ppt = cio_read(cio, 1); + tcp->ppt = 1; + if (Z_ppt == 0) { /* First PPT marker */ + tcp->ppt_data = (unsigned char *) opj_malloc((len - 3) * sizeof(unsigned char)); + tcp->ppt_data_first = tcp->ppt_data; + tcp->ppt_store = 0; + tcp->ppt_len = len - 3; + } else { /* NON-first PPT marker */ + tcp->ppt_data = (unsigned char *) opj_realloc(tcp->ppt_data, (len - 3 + tcp->ppt_store) * sizeof(unsigned char)); + tcp->ppt_data_first = tcp->ppt_data; + tcp->ppt_len = len - 3 + tcp->ppt_store; + } + j = tcp->ppt_store; + for (i = len - 3; i > 0; i--) { + tcp->ppt_data[j] = cio_read(cio, 1); + j++; + } + tcp->ppt_store = j; +} + +static void j2k_write_tlm(opj_j2k_t *j2k){ + int lenp; + opj_cio_t *cio = j2k->cio; + j2k->tlm_start = cio_tell(cio); + cio_write(cio, J2K_MS_TLM, 2);/* TLM */ + lenp = 4 + (5*j2k->totnum_tp); + cio_write(cio,lenp,2); /* Ltlm */ + cio_write(cio, 0,1); /* Ztlm=0*/ + cio_write(cio,80,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */ + cio_skip(cio,5*j2k->totnum_tp); +} + +static void j2k_write_sot(opj_j2k_t *j2k) { + int lenp, len; + + opj_cio_t *cio = j2k->cio; + + j2k->sot_start = cio_tell(cio); + cio_write(cio, J2K_MS_SOT, 2); /* SOT */ + lenp = cio_tell(cio); + cio_skip(cio, 2); /* Lsot (further) */ + cio_write(cio, j2k->curtileno, 2); /* Isot */ + cio_skip(cio, 4); /* Psot (further in j2k_write_sod) */ + cio_write(cio, j2k->cur_tp_num , 1); /* TPsot */ + cio_write(cio, j2k->cur_totnum_tp[j2k->curtileno], 1); /* TNsot */ + len = cio_tell(cio) - lenp; + cio_seek(cio, lenp); + cio_write(cio, len, 2); /* Lsot */ + cio_seek(cio, lenp + len); + + /* UniPG>> */ +#ifdef USE_JPWL + /* update markers struct */ + j2k_add_marker(j2k->cstr_info, J2K_MS_SOT, j2k->sot_start, len + 2); +#endif /* USE_JPWL */ + /* <<UniPG */ +} + +static void j2k_read_sot(opj_j2k_t *j2k) { + int len, tileno, totlen, partno, numparts, i; + opj_tcp_t *tcp = NULL; + char status = 0; + + opj_cp_t *cp = j2k->cp; + opj_cio_t *cio = j2k->cio; + + len = cio_read(cio, 2); + tileno = cio_read(cio, 2); + +#ifdef USE_JPWL + if (j2k->cp->correct) { + + static int backup_tileno = 0; + + /* tileno is negative or larger than the number of tiles!!! */ + if ((tileno < 0) || (tileno > (cp->tw * cp->th))) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: bad tile number (%d out of a maximum of %d)\n", + tileno, (cp->tw * cp->th)); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + tileno = backup_tileno; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n" + "- setting tile number to %d\n", + tileno); + } + + /* keep your private count of tiles */ + backup_tileno++; + }; +#endif /* USE_JPWL */ + + if (cp->tileno_size == 0) { + cp->tileno[cp->tileno_size] = tileno; + cp->tileno_size++; + } else { + i = 0; + while (i < cp->tileno_size && status == 0) { + status = cp->tileno[i] == tileno ? 1 : 0; + i++; + } + if (status == 0) { + cp->tileno[cp->tileno_size] = tileno; + cp->tileno_size++; + } + } + + totlen = cio_read(cio, 4); + +#ifdef USE_JPWL + if (j2k->cp->correct) { + + /* totlen is negative or larger than the bytes left!!! */ + if ((totlen < 0) || (totlen > (cio_numbytesleft(cio) + 8))) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: bad tile byte size (%d bytes against %d bytes left)\n", + totlen, cio_numbytesleft(cio) + 8); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + /* we try to correct */ + totlen = 0; + opj_event_msg(j2k->cinfo, EVT_WARNING, "- trying to adjust this\n" + "- setting Psot to %d => assuming it is the last tile\n", + totlen); + } + + }; +#endif /* USE_JPWL */ + + if (!totlen) + totlen = cio_numbytesleft(cio) + 8; + + partno = cio_read(cio, 1); + numparts = cio_read(cio, 1); + + j2k->curtileno = tileno; + j2k->cur_tp_num = partno; + j2k->eot = cio_getbp(cio) - 12 + totlen; + j2k->state = J2K_STATE_TPH; + tcp = &cp->tcps[j2k->curtileno]; + + /* Index */ + if (j2k->cstr_info) { + if (tcp->first) { + if (tileno == 0) + j2k->cstr_info->main_head_end = cio_tell(cio) - 13; + j2k->cstr_info->tile[tileno].tileno = tileno; + j2k->cstr_info->tile[tileno].start_pos = cio_tell(cio) - 12; + j2k->cstr_info->tile[tileno].end_pos = j2k->cstr_info->tile[tileno].start_pos + totlen - 1; + j2k->cstr_info->tile[tileno].num_tps = numparts; + if (numparts) + j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t)); + else + j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10) + } + else { + j2k->cstr_info->tile[tileno].end_pos += totlen; + } + j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = cio_tell(cio) - 12; + j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos = + j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1; + } + + if (tcp->first == 1) { + /* Initialization PPT */ + opj_tccp_t *tmp = tcp->tccps; + memcpy(tcp, j2k->default_tcp, sizeof(opj_tcp_t)); + tcp->ppt = 0; + tcp->ppt_data = NULL; + tcp->ppt_data_first = NULL; + tcp->tccps = tmp; + + for (i = 0; i < j2k->image->numcomps; i++) { + tcp->tccps[i] = j2k->default_tcp->tccps[i]; + } + cp->tcps[j2k->curtileno].first = 0; + } +} + +static void j2k_write_sod(opj_j2k_t *j2k, void *tile_coder) { + int l, layno; + int totlen; + opj_tcp_t *tcp = NULL; + opj_codestream_info_t *cstr_info = NULL; + + opj_tcd_t *tcd = (opj_tcd_t*)tile_coder; /* cast is needed because of conflicts in header inclusions */ + opj_cp_t *cp = j2k->cp; + opj_cio_t *cio = j2k->cio; + + tcd->tp_num = j2k->tp_num ; + tcd->cur_tp_num = j2k->cur_tp_num; + + cio_write(cio, J2K_MS_SOD, 2); + if (j2k->curtileno == 0) { + j2k->sod_start = cio_tell(cio) + j2k->pos_correction; + } + + /* INDEX >> */ + cstr_info = j2k->cstr_info; + if (cstr_info) { + if (!j2k->cur_tp_num ) { + cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1; + j2k->cstr_info->tile[j2k->curtileno].tileno = j2k->curtileno; + } + else{ + if(cstr_info->tile[j2k->curtileno].packet[cstr_info->packno - 1].end_pos < cio_tell(cio)) + cstr_info->tile[j2k->curtileno].packet[cstr_info->packno].start_pos = cio_tell(cio); + } + /* UniPG>> */ +#ifdef USE_JPWL + /* update markers struct */ + j2k_add_marker(j2k->cstr_info, J2K_MS_SOD, j2k->sod_start, 2); +#endif /* USE_JPWL */ + /* <<UniPG */ + } + /* << INDEX */ + + tcp = &cp->tcps[j2k->curtileno]; + for (layno = 0; layno < tcp->numlayers; layno++) { + if (tcp->rates[layno]>(j2k->sod_start / (cp->th * cp->tw))) { + tcp->rates[layno]-=(j2k->sod_start / (cp->th * cp->tw)); + } else if (tcp->rates[layno]) { + tcp->rates[layno]=1; + } + } + if(j2k->cur_tp_num == 0){ + tcd->tcd_image->tiles->packno = 0; + if(cstr_info) + cstr_info->packno = 0; + } + + l = tcd_encode_tile(tcd, j2k->curtileno, cio_getbp(cio), cio_numbytesleft(cio) - 2, cstr_info); + + /* Writing Psot in SOT marker */ + totlen = cio_tell(cio) + l - j2k->sot_start; + cio_seek(cio, j2k->sot_start + 6); + cio_write(cio, totlen, 4); + cio_seek(cio, j2k->sot_start + totlen); + /* Writing Ttlm and Ptlm in TLM marker */ + if(cp->cinema){ + cio_seek(cio, j2k->tlm_start + 6 + (5*j2k->cur_tp_num)); + cio_write(cio, j2k->curtileno, 1); + cio_write(cio, totlen, 4); + } + cio_seek(cio, j2k->sot_start + totlen); +} + +static void j2k_read_sod(opj_j2k_t *j2k) { + int len, truncate = 0, i; + unsigned char *data = NULL, *data_ptr = NULL; + + opj_cio_t *cio = j2k->cio; + int curtileno = j2k->curtileno; + + /* Index */ + if (j2k->cstr_info) { + j2k->cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header = + cio_tell(cio) + j2k->pos_correction - 1; + if (j2k->cur_tp_num == 0) + j2k->cstr_info->tile[j2k->curtileno].end_header = cio_tell(cio) + j2k->pos_correction - 1; + j2k->cstr_info->packno = 0; + } + + len = int_min(j2k->eot - cio_getbp(cio), cio_numbytesleft(cio) + 1); + + if (len == cio_numbytesleft(cio) + 1) { + truncate = 1; /* Case of a truncate codestream */ + } + + data = j2k->tile_data[curtileno]; + data = (unsigned char*) opj_realloc(data, (j2k->tile_len[curtileno] + len) * sizeof(unsigned char)); + + data_ptr = data + j2k->tile_len[curtileno]; + for (i = 0; i < len; i++) { + data_ptr[i] = cio_read(cio, 1); + } + + j2k->tile_len[curtileno] += len; + j2k->tile_data[curtileno] = data; + + if (!truncate) { + j2k->state = J2K_STATE_TPHSOT; + } else { + j2k->state = J2K_STATE_NEOC; /* RAJOUTE !! */ + } + j2k->cur_tp_num++; +} + +static void j2k_write_rgn(opj_j2k_t *j2k, int compno, int tileno) { + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = &cp->tcps[tileno]; + opj_cio_t *cio = j2k->cio; + int numcomps = j2k->image->numcomps; + + cio_write(cio, J2K_MS_RGN, 2); /* RGN */ + cio_write(cio, numcomps <= 256 ? 5 : 6, 2); /* Lrgn */ + cio_write(cio, compno, numcomps <= 256 ? 1 : 2); /* Crgn */ + cio_write(cio, 0, 1); /* Srgn */ + cio_write(cio, tcp->tccps[compno].roishift, 1); /* SPrgn */ +} + +static void j2k_read_rgn(opj_j2k_t *j2k) { + int len, compno, roisty; + + opj_cp_t *cp = j2k->cp; + opj_tcp_t *tcp = j2k->state == J2K_STATE_TPH ? &cp->tcps[j2k->curtileno] : j2k->default_tcp; + opj_cio_t *cio = j2k->cio; + int numcomps = j2k->image->numcomps; + + len = cio_read(cio, 2); /* Lrgn */ + compno = cio_read(cio, numcomps <= 256 ? 1 : 2); /* Crgn */ + roisty = cio_read(cio, 1); /* Srgn */ + +#ifdef USE_JPWL + if (j2k->cp->correct) { + /* totlen is negative or larger than the bytes left!!! */ + if (compno >= numcomps) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: bad component number in RGN (%d when there are only %d)\n", + compno, numcomps); + if (!JPWL_ASSUME || JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: giving up\n"); + return; + } + } + }; +#endif /* USE_JPWL */ + + tcp->tccps[compno].roishift = cio_read(cio, 1); /* SPrgn */ +} + +static void j2k_write_eoc(opj_j2k_t *j2k) { + opj_cio_t *cio = j2k->cio; + /* opj_event_msg(j2k->cinfo, "%.8x: EOC\n", cio_tell(cio) + j2k->pos_correction); */ + cio_write(cio, J2K_MS_EOC, 2); + +/* UniPG>> */ +#ifdef USE_JPWL + /* update markers struct */ + j2k_add_marker(j2k->cstr_info, J2K_MS_EOC, cio_tell(cio) - 2, 2); +#endif /* USE_JPWL */ +/* <<UniPG */ +} + +static void j2k_read_eoc(opj_j2k_t *j2k) { + int i, tileno; + bool success; + + /* if packets should be decoded */ + if (j2k->cp->limit_decoding != DECODE_ALL_BUT_PACKETS) { + opj_tcd_t *tcd = tcd_create(j2k->cinfo); + tcd_malloc_decode(tcd, j2k->image, j2k->cp); + for (i = 0; i < j2k->cp->tileno_size; i++) { + tcd_malloc_decode_tile(tcd, j2k->image, j2k->cp, i, j2k->cstr_info); + tileno = j2k->cp->tileno[i]; + success = tcd_decode_tile(tcd, j2k->tile_data[tileno], j2k->tile_len[tileno], tileno, j2k->cstr_info); + opj_free(j2k->tile_data[tileno]); + j2k->tile_data[tileno] = NULL; + tcd_free_decode_tile(tcd, i); + if (success == false) { + j2k->state |= J2K_STATE_ERR; + break; + } + } + tcd_free_decode(tcd); + tcd_destroy(tcd); + } + /* if packets should not be decoded */ + else { + for (i = 0; i < j2k->cp->tileno_size; i++) { + tileno = j2k->cp->tileno[i]; + opj_free(j2k->tile_data[tileno]); + j2k->tile_data[tileno] = NULL; + } + } + if (j2k->state & J2K_STATE_ERR) + j2k->state = J2K_STATE_MT + J2K_STATE_ERR; + else + j2k->state = J2K_STATE_MT; +} + +typedef struct opj_dec_mstabent { + /** marker value */ + int id; + /** value of the state when the marker can appear */ + int states; + /** action linked to the marker */ + void (*handler) (opj_j2k_t *j2k); +} opj_dec_mstabent_t; + +opj_dec_mstabent_t j2k_dec_mstab[] = { + {J2K_MS_SOC, J2K_STATE_MHSOC, j2k_read_soc}, + {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, j2k_read_sot}, + {J2K_MS_SOD, J2K_STATE_TPH, j2k_read_sod}, + {J2K_MS_EOC, J2K_STATE_TPHSOT, j2k_read_eoc}, + {J2K_MS_SIZ, J2K_STATE_MHSIZ, j2k_read_siz}, + {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_cod}, + {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_coc}, + {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_rgn}, + {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcd}, + {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_qcc}, + {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_poc}, + {J2K_MS_TLM, J2K_STATE_MH, j2k_read_tlm}, + {J2K_MS_PLM, J2K_STATE_MH, j2k_read_plm}, + {J2K_MS_PLT, J2K_STATE_TPH, j2k_read_plt}, + {J2K_MS_PPM, J2K_STATE_MH, j2k_read_ppm}, + {J2K_MS_PPT, J2K_STATE_TPH, j2k_read_ppt}, + {J2K_MS_SOP, 0, 0}, + {J2K_MS_CRG, J2K_STATE_MH, j2k_read_crg}, + {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_com}, + +#ifdef USE_JPWL + {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc}, + {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb}, + {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd}, + {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red}, +#endif /* USE_JPWL */ +#ifdef USE_JPSEC + {J2K_MS_SEC, J2K_STATE_MH, j2k_read_sec}, + {J2K_MS_INSEC, 0, j2k_read_insec}, +#endif /* USE_JPSEC */ + + {0, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_unk} +}; + +static void j2k_read_unk(opj_j2k_t *j2k) { + opj_event_msg(j2k->cinfo, EVT_WARNING, "Unknown marker\n"); + +#ifdef USE_JPWL + if (j2k->cp->correct) { + int m = 0, id, i; + int min_id = 0, min_dist = 17, cur_dist = 0, tmp_id; + cio_seek(j2k->cio, cio_tell(j2k->cio) - 2); + id = cio_read(j2k->cio, 2); + opj_event_msg(j2k->cinfo, EVT_ERROR, + "JPWL: really don't know this marker %x\n", + id); + if (!JPWL_ASSUME) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "- possible synch loss due to uncorrectable codestream errors => giving up\n"); + return; + } + /* OK, activate this at your own risk!!! */ + /* we look for the marker at the minimum hamming distance from this */ + while (j2k_dec_mstab[m].id) { + + /* 1's where they differ */ + tmp_id = j2k_dec_mstab[m].id ^ id; + + /* compute the hamming distance between our id and the current */ + cur_dist = 0; + for (i = 0; i < 16; i++) { + if ((tmp_id >> i) & 0x0001) { + cur_dist++; + } + } + + /* if current distance is smaller, set the minimum */ + if (cur_dist < min_dist) { + min_dist = cur_dist; + min_id = j2k_dec_mstab[m].id; + } + + /* jump to the next marker */ + m++; + } + + /* do we substitute the marker? */ + if (min_dist < JPWL_MAXIMUM_HAMMING) { + opj_event_msg(j2k->cinfo, EVT_ERROR, + "- marker %x is at distance %d from the read %x\n", + min_id, min_dist, id); + opj_event_msg(j2k->cinfo, EVT_ERROR, + "- trying to substitute in place and crossing fingers!\n"); + cio_seek(j2k->cio, cio_tell(j2k->cio) - 2); + cio_write(j2k->cio, min_id, 2); + + /* rewind */ + cio_seek(j2k->cio, cio_tell(j2k->cio) - 2); + + } + + }; +#endif /* USE_JPWL */ + +} + +/** +Read the lookup table containing all the marker, status and action +@param id Marker value +*/ +static opj_dec_mstabent_t *j2k_dec_mstab_lookup(int id) { + opj_dec_mstabent_t *e; + for (e = j2k_dec_mstab; e->id != 0; e++) { + if (e->id == id) { + break; + } + } + return e; +} + +/* ----------------------------------------------------------------------- */ +/* J2K / JPT decoder interface */ +/* ----------------------------------------------------------------------- */ + +opj_j2k_t* j2k_create_decompress(opj_common_ptr cinfo) { + opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t)); + if(!j2k) + return NULL; + + j2k->default_tcp = (opj_tcp_t*) opj_calloc(1, sizeof(opj_tcp_t)); + if(!j2k->default_tcp) { + opj_free(j2k); + return NULL; + } + + j2k->cinfo = cinfo; + j2k->tile_data = NULL; + + return j2k; +} + +void j2k_destroy_decompress(opj_j2k_t *j2k) { + int i = 0; + + if(j2k->tile_len != NULL) { + opj_free(j2k->tile_len); + } + if(j2k->tile_data != NULL) { + opj_free(j2k->tile_data); + } + if(j2k->default_tcp != NULL) { + opj_tcp_t *default_tcp = j2k->default_tcp; + if(default_tcp->ppt_data_first != NULL) { + opj_free(default_tcp->ppt_data_first); + } + if(j2k->default_tcp->tccps != NULL) { + opj_free(j2k->default_tcp->tccps); + } + opj_free(j2k->default_tcp); + } + if(j2k->cp != NULL) { + opj_cp_t *cp = j2k->cp; + if(cp->tcps != NULL) { + for(i = 0; i < cp->tw * cp->th; i++) { + if(cp->tcps[i].ppt_data_first != NULL) { + opj_free(cp->tcps[i].ppt_data_first); + } + if(cp->tcps[i].tccps != NULL) { + opj_free(cp->tcps[i].tccps); + } + } + opj_free(cp->tcps); + } + if(cp->ppm_data_first != NULL) { + opj_free(cp->ppm_data_first); + } + if(cp->tileno != NULL) { + opj_free(cp->tileno); + } + if(cp->comment != NULL) { + opj_free(cp->comment); + } + + opj_free(cp); + } + opj_free(j2k); +} + +void j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters) { + if(j2k && parameters) { + /* create and initialize the coding parameters structure */ + opj_cp_t *cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t)); + cp->reduce = parameters->cp_reduce; + cp->layer = parameters->cp_layer; + cp->limit_decoding = parameters->cp_limit_decoding; + +#ifdef USE_JPWL + cp->correct = parameters->jpwl_correct; + cp->exp_comps = parameters->jpwl_exp_comps; + cp->max_tiles = parameters->jpwl_max_tiles; +#endif /* USE_JPWL */ + + + /* keep a link to cp so that we can destroy it later in j2k_destroy_decompress */ + j2k->cp = cp; + } +} + +opj_image_t* j2k_decode(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) { + opj_image_t *image = NULL; + + opj_common_ptr cinfo = j2k->cinfo; + + j2k->cio = cio; + j2k->cstr_info = cstr_info; + if (cstr_info) + memset(cstr_info, 0, sizeof(opj_codestream_info_t)); + + /* create an empty image */ + image = opj_image_create0(); + j2k->image = image; + + j2k->state = J2K_STATE_MHSOC; + + for (;;) { + opj_dec_mstabent_t *e; + int id = cio_read(cio, 2); + +#ifdef USE_JPWL + /* we try to honor JPWL correction power */ + if (j2k->cp->correct) { + + int orig_pos = cio_tell(cio); + bool status; + + /* call the corrector */ + status = jpwl_correct(j2k); + + /* go back to where you were */ + cio_seek(cio, orig_pos - 2); + + /* re-read the marker */ + id = cio_read(cio, 2); + + /* check whether it begins with ff */ + if (id >> 8 != 0xff) { + opj_event_msg(cinfo, EVT_ERROR, + "JPWL: possible bad marker %x at %d\n", + id, cio_tell(cio) - 2); + if (!JPWL_ASSUME) { + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "JPWL: giving up\n"); + return 0; + } + /* we try to correct */ + id = id | 0xff00; + cio_seek(cio, cio_tell(cio) - 2); + cio_write(cio, id, 2); + opj_event_msg(cinfo, EVT_WARNING, "- trying to adjust this\n" + "- setting marker to %x\n", + id); + } + + } +#endif /* USE_JPWL */ + + if (id >> 8 != 0xff) { + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id); + return 0; + } + e = j2k_dec_mstab_lookup(id); + // Check if the marker is known + if (!(j2k->state & e->states)) { + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id); + return 0; + } + // Check if the decoding is limited to the main header + if (e->id == J2K_MS_SOT && j2k->cp->limit_decoding == LIMIT_TO_MAIN_HEADER) { + opj_event_msg(cinfo, EVT_INFO, "Main Header decoded.\n"); + return image; + } + + if (e->handler) { + (*e->handler)(j2k); + } + if (j2k->state & J2K_STATE_ERR) + return NULL; + + if (j2k->state == J2K_STATE_MT) { + break; + } + if (j2k->state == J2K_STATE_NEOC) { + break; + } + } + if (j2k->state == J2K_STATE_NEOC) { + j2k_read_eoc(j2k); + } + + if (j2k->state != J2K_STATE_MT) { + opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n"); + } + + return image; +} + +/* +* Read a JPT-stream and decode file +* +*/ +opj_image_t* j2k_decode_jpt_stream(opj_j2k_t *j2k, opj_cio_t *cio, opj_codestream_info_t *cstr_info) { + opj_image_t *image = NULL; + opj_jpt_msg_header_t header; + int position; + + opj_common_ptr cinfo = j2k->cinfo; + + j2k->cio = cio; + + /* create an empty image */ + image = opj_image_create0(); + j2k->image = image; + + j2k->state = J2K_STATE_MHSOC; + + /* Initialize the header */ + jpt_init_msg_header(&header); + /* Read the first header of the message */ + jpt_read_msg_header(cinfo, cio, &header); + + position = cio_tell(cio); + if (header.Class_Id != 6) { /* 6 : Main header data-bin message */ + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Main header first [class_Id %d] !\n", header.Class_Id); + return 0; + } + + for (;;) { + opj_dec_mstabent_t *e = NULL; + int id; + + if (!cio_numbytesleft(cio)) { + j2k_read_eoc(j2k); + return image; + } + /* data-bin read -> need to read a new header */ + if ((unsigned int) (cio_tell(cio) - position) == header.Msg_length) { + jpt_read_msg_header(cinfo, cio, &header); + position = cio_tell(cio); + if (header.Class_Id != 4) { /* 4 : Tile data-bin message */ + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "[JPT-stream] : Expecting Tile info !\n"); + return 0; + } + } + + id = cio_read(cio, 2); + if (id >> 8 != 0xff) { + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id); + return 0; + } + e = j2k_dec_mstab_lookup(id); + if (!(j2k->state & e->states)) { + opj_image_destroy(image); + opj_event_msg(cinfo, EVT_ERROR, "%.8x: unexpected marker %x\n", cio_tell(cio) - 2, id); + return 0; + } + if (e->handler) { + (*e->handler)(j2k); + } + if (j2k->state == J2K_STATE_MT) { + break; + } + if (j2k->state == J2K_STATE_NEOC) { + break; + } + } + if (j2k->state == J2K_STATE_NEOC) { + j2k_read_eoc(j2k); + } + + if (j2k->state != J2K_STATE_MT) { + opj_event_msg(cinfo, EVT_WARNING, "Incomplete bitstream\n"); + } + + return image; +} + +/* ----------------------------------------------------------------------- */ +/* J2K encoder interface */ +/* ----------------------------------------------------------------------- */ + +opj_j2k_t* j2k_create_compress(opj_common_ptr cinfo) { + opj_j2k_t *j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t)); + if(j2k) { + j2k->cinfo = cinfo; + } + return j2k; +} + +void j2k_destroy_compress(opj_j2k_t *j2k) { + int tileno; + + if(!j2k) return; + if(j2k->cp != NULL) { + opj_cp_t *cp = j2k->cp; + + if(cp->comment) { + opj_free(cp->comment); + } + if(cp->matrice) { + opj_free(cp->matrice); + } + for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { + opj_free(cp->tcps[tileno].tccps); + } + opj_free(cp->tcps); + opj_free(cp); + } + + opj_free(j2k); +} + +void j2k_setup_encoder(opj_j2k_t *j2k, opj_cparameters_t *parameters, opj_image_t *image) { + int i, j, tileno, numpocs_tile; + opj_cp_t *cp = NULL; + + if(!j2k || !parameters || ! image) { + return; + } + + /* create and initialize the coding parameters structure */ + cp = (opj_cp_t*) opj_calloc(1, sizeof(opj_cp_t)); + + /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */ + j2k->cp = cp; + + /* set default values for cp */ + cp->tw = 1; + cp->th = 1; + + /* + copy user encoding parameters + */ + cp->cinema = parameters->cp_cinema; + cp->max_comp_size = parameters->max_comp_size; + cp->rsiz = parameters->cp_rsiz; + cp->disto_alloc = parameters->cp_disto_alloc; + cp->fixed_alloc = parameters->cp_fixed_alloc; + cp->fixed_quality = parameters->cp_fixed_quality; + + /* mod fixed_quality */ + if(parameters->cp_matrice) { + size_t array_size = parameters->tcp_numlayers * parameters->numresolution * 3 * sizeof(int); + cp->matrice = (int *) opj_malloc(array_size); + memcpy(cp->matrice, parameters->cp_matrice, array_size); + } + + /* tiles */ + cp->tdx = parameters->cp_tdx; + cp->tdy = parameters->cp_tdy; + + /* tile offset */ + cp->tx0 = parameters->cp_tx0; + cp->ty0 = parameters->cp_ty0; + + /* comment string */ + if(parameters->cp_comment) { + cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1); + if(cp->comment) { + strcpy(cp->comment, parameters->cp_comment); + } + } + + /* + calculate other encoding parameters + */ + + if (parameters->tile_size_on) { + cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx); + cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy); + } else { + cp->tdx = image->x1 - cp->tx0; + cp->tdy = image->y1 - cp->ty0; + } + + if(parameters->tp_on){ + cp->tp_flag = parameters->tp_flag; + cp->tp_on = 1; + } + + cp->img_size = 0; + for(i=0;i<image->numcomps ;i++){ + cp->img_size += (image->comps[i].w *image->comps[i].h * image->comps[i].prec); + } + + +#ifdef USE_JPWL + /* + calculate JPWL encoding parameters + */ + + if (parameters->jpwl_epc_on) { + int i; + + /* set JPWL on */ + cp->epc_on = true; + cp->info_on = false; /* no informative technique */ + + /* set EPB on */ + if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) { + cp->epb_on = true; + + cp->hprot_MH = parameters->jpwl_hprot_MH; + for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { + cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i]; + cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i]; + } + /* if tile specs are not specified, copy MH specs */ + if (cp->hprot_TPH[0] == -1) { + cp->hprot_TPH_tileno[0] = 0; + cp->hprot_TPH[0] = parameters->jpwl_hprot_MH; + } + for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) { + cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i]; + cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i]; + cp->pprot[i] = parameters->jpwl_pprot[i]; + } + } + + /* set ESD writing */ + if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) { + cp->esd_on = true; + + cp->sens_size = parameters->jpwl_sens_size; + cp->sens_addr = parameters->jpwl_sens_addr; + cp->sens_range = parameters->jpwl_sens_range; + + cp->sens_MH = parameters->jpwl_sens_MH; + for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { + cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i]; + cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i]; + } + } + + /* always set RED writing to false: we are at the encoder */ + cp->red_on = false; + + } else { + cp->epc_on = false; + } +#endif /* USE_JPWL */ + + + /* initialize the mutiple tiles */ + /* ---------------------------- */ + cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t)); + + for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { + opj_tcp_t *tcp = &cp->tcps[tileno]; + tcp->numlayers = parameters->tcp_numlayers; + for (j = 0; j < tcp->numlayers; j++) { + if(cp->cinema){ + if (cp->fixed_quality) { + tcp->distoratio[j] = parameters->tcp_distoratio[j]; + } + tcp->rates[j] = parameters->tcp_rates[j]; + }else{ + if (cp->fixed_quality) { /* add fixed_quality */ + tcp->distoratio[j] = parameters->tcp_distoratio[j]; + } else { + tcp->rates[j] = parameters->tcp_rates[j]; + } + } + } + tcp->csty = parameters->csty; + tcp->prg = parameters->prog_order; + tcp->mct = parameters->tcp_mct; + + numpocs_tile = 0; + tcp->POC = 0; + if (parameters->numpocs) { + /* initialisation of POC */ + tcp->POC = 1; + for (i = 0; i < parameters->numpocs; i++) { + if((tileno == parameters->POC[i].tile - 1) || (parameters->POC[i].tile == -1)) { + opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile]; + tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0; + tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0; + tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1; + tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1; + tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1; + tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1; + tcp_poc->tile = parameters->POC[numpocs_tile].tile; + numpocs_tile++; + } + } + tcp->numpocs = numpocs_tile -1 ; + }else{ + tcp->numpocs = 0; + } + + tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t)); + + for (i = 0; i < image->numcomps; i++) { + opj_tccp_t *tccp = &tcp->tccps[i]; + tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */ + tccp->numresolutions = parameters->numresolution; + tccp->cblkw = int_floorlog2(parameters->cblockw_init); + tccp->cblkh = int_floorlog2(parameters->cblockh_init); + tccp->cblksty = parameters->mode; + tccp->qmfbid = parameters->irreversible ? 0 : 1; + tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT; + tccp->numgbits = 2; + if (i == parameters->roi_compno) { + tccp->roishift = parameters->roi_shift; + } else { + tccp->roishift = 0; + } + + if(parameters->cp_cinema) + { + //Precinct size for lowest frequency subband=128 + tccp->prcw[0] = 7; + tccp->prch[0] = 7; + //Precinct size at all other resolutions = 256 + for (j = 1; j < tccp->numresolutions; j++) { + tccp->prcw[j] = 8; + tccp->prch[j] = 8; + } + }else{ + if (parameters->csty & J2K_CCP_CSTY_PRT) { + int p = 0; + for (j = tccp->numresolutions - 1; j >= 0; j--) { + if (p < parameters->res_spec) { + + if (parameters->prcw_init[p] < 1) { + tccp->prcw[j] = 1; + } else { + tccp->prcw[j] = int_floorlog2(parameters->prcw_init[p]); + } + + if (parameters->prch_init[p] < 1) { + tccp->prch[j] = 1; + }else { + tccp->prch[j] = int_floorlog2(parameters->prch_init[p]); + } + + } else { + int res_spec = parameters->res_spec; + int size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1)); + int size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1)); + + if (size_prcw < 1) { + tccp->prcw[j] = 1; + } else { + tccp->prcw[j] = int_floorlog2(size_prcw); + } + + if (size_prch < 1) { + tccp->prch[j] = 1; + } else { + tccp->prch[j] = int_floorlog2(size_prch); + } + } + p++; + /*printf("\nsize precinct for level %d : %d,%d\n", j,tccp->prcw[j], tccp->prch[j]); */ + } //end for + } else { + for (j = 0; j < tccp->numresolutions; j++) { + tccp->prcw[j] = 15; + tccp->prch[j] = 15; + } + } + } + + dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec); + } + } +} + +bool j2k_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) { + int tileno, compno; + opj_cp_t *cp = NULL; + + opj_tcd_t *tcd = NULL; /* TCD component */ + + j2k->cio = cio; + j2k->image = image; + + cp = j2k->cp; + + /* j2k_dump_cp(stdout, image, cp); */ + + /* INDEX >> */ + j2k->cstr_info = cstr_info; + if (cstr_info) { + int compno; + cstr_info->tile = (opj_tile_info_t *) opj_malloc(cp->tw * cp->th * sizeof(opj_tile_info_t)); + cstr_info->image_w = image->x1 - image->x0; + cstr_info->image_h = image->y1 - image->y0; + cstr_info->prog = (&cp->tcps[0])->prg; + cstr_info->tw = cp->tw; + cstr_info->th = cp->th; + cstr_info->tile_x = cp->tdx; /* new version parser */ + cstr_info->tile_y = cp->tdy; /* new version parser */ + cstr_info->tile_Ox = cp->tx0; /* new version parser */ + cstr_info->tile_Oy = cp->ty0; /* new version parser */ + cstr_info->numcomps = image->numcomps; + cstr_info->numlayers = (&cp->tcps[0])->numlayers; + cstr_info->numdecompos = (int*) opj_malloc(image->numcomps * sizeof(int)); + for (compno=0; compno < image->numcomps; compno++) { + cstr_info->numdecompos[compno] = (&cp->tcps[0])->tccps->numresolutions - 1; + } + cstr_info->D_max = 0.0; /* ADD Marcela */ + cstr_info->main_head_start = cio_tell(cio); /* position of SOC */ + cstr_info->maxmarknum = 100; + cstr_info->marker = (opj_marker_info_t *) opj_malloc(cstr_info->maxmarknum * sizeof(opj_marker_info_t)); + cstr_info->marknum = 0; + } + /* << INDEX */ + + j2k_write_soc(j2k); + j2k_write_siz(j2k); + j2k_write_cod(j2k); + j2k_write_qcd(j2k); + + if(cp->cinema){ + for (compno = 1; compno < image->numcomps; compno++) { + j2k_write_coc(j2k, compno); + j2k_write_qcc(j2k, compno); + } + } + + for (compno = 0; compno < image->numcomps; compno++) { + opj_tcp_t *tcp = &cp->tcps[0]; + if (tcp->tccps[compno].roishift) + j2k_write_rgn(j2k, compno, 0); + } + if (cp->comment != NULL) { + j2k_write_com(j2k); + } + + j2k->totnum_tp = j2k_calculate_tp(cp,image->numcomps,image,j2k); + /* TLM Marker*/ + if(cp->cinema){ + j2k_write_tlm(j2k); + if (cp->cinema == CINEMA4K_24) { + j2k_write_poc(j2k); + } + } + + /* uncomment only for testing JPSEC marker writing */ + /* j2k_write_sec(j2k); */ + + /* INDEX >> */ + if(cstr_info) { + cstr_info->main_head_end = cio_tell(cio) - 1; + } + /* << INDEX */ + /**** Main Header ENDS here ***/ + + /* create the tile encoder */ + tcd = tcd_create(j2k->cinfo); + + /* encode each tile */ + for (tileno = 0; tileno < cp->tw * cp->th; tileno++) { + int pino; + int tilepartno=0; + /* UniPG>> */ + int acc_pack_num = 0; + /* <<UniPG */ + + + opj_tcp_t *tcp = &cp->tcps[tileno]; + opj_event_msg(j2k->cinfo, EVT_INFO, "tile number %d / %d\n", tileno + 1, cp->tw * cp->th); + + j2k->curtileno = tileno; + j2k->cur_tp_num = 0; + tcd->cur_totnum_tp = j2k->cur_totnum_tp[j2k->curtileno]; + /* initialisation before tile encoding */ + if (tileno == 0) { + tcd_malloc_encode(tcd, image, cp, j2k->curtileno); + } else { + tcd_init_encode(tcd, image, cp, j2k->curtileno); + } + + /* INDEX >> */ + if(cstr_info) { + cstr_info->tile[j2k->curtileno].start_pos = cio_tell(cio) + j2k->pos_correction; + } + /* << INDEX */ + + for(pino = 0; pino <= tcp->numpocs; pino++) { + int tot_num_tp; + tcd->cur_pino=pino; + + /*Get number of tile parts*/ + tot_num_tp = j2k_get_num_tp(cp,pino,tileno); + tcd->tp_pos = cp->tp_pos; + + for(tilepartno = 0; tilepartno < tot_num_tp ; tilepartno++){ + j2k->tp_num = tilepartno; + /* INDEX >> */ + if(cstr_info) + cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pos = + cio_tell(cio) + j2k->pos_correction; + /* << INDEX */ + j2k_write_sot(j2k); + + if(j2k->cur_tp_num == 0 && cp->cinema == 0){ + for (compno = 1; compno < image->numcomps; compno++) { + j2k_write_coc(j2k, compno); + j2k_write_qcc(j2k, compno); + } + if (cp->tcps[tileno].numpocs) { + j2k_write_poc(j2k); + } + } + + /* INDEX >> */ + if(cstr_info) + cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_header = + cio_tell(cio) + j2k->pos_correction + 1; + /* << INDEX */ + + j2k_write_sod(j2k, tcd); + + /* INDEX >> */ + if(cstr_info) { + cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_end_pos = + cio_tell(cio) + j2k->pos_correction - 1; + cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_start_pack = + acc_pack_num; + cstr_info->tile[j2k->curtileno].tp[j2k->cur_tp_num].tp_numpacks = + cstr_info->packno - acc_pack_num; + acc_pack_num = cstr_info->packno; + } + /* << INDEX */ + + j2k->cur_tp_num++; + } + } + if(cstr_info) { + cstr_info->tile[j2k->curtileno].end_pos = cio_tell(cio) + j2k->pos_correction - 1; + } + + + /* + if (tile->PPT) { // BAD PPT !!! + FILE *PPT_file; + int i; + PPT_file=fopen("PPT","rb"); + fprintf(stderr,"%c%c%c%c",255,97,tile->len_ppt/256,tile->len_ppt%256); + for (i=0;i<tile->len_ppt;i++) { + unsigned char elmt; + fread(&elmt, 1, 1, PPT_file); + fwrite(&elmt,1,1,f); + } + fclose(PPT_file); + unlink("PPT"); + } + */ + + } + + /* destroy the tile encoder */ + tcd_free_encode(tcd); + tcd_destroy(tcd); + + opj_free(j2k->cur_totnum_tp); + + j2k_write_eoc(j2k); + + if(cstr_info) { + cstr_info->codestream_size = cio_tell(cio) + j2k->pos_correction; + /* UniPG>> */ + /* The following adjustment is done to adjust the codestream size */ + /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */ + /* the first bunch of bytes is not in the codestream */ + cstr_info->codestream_size -= cstr_info->main_head_start; + /* <<UniPG */ + } + +#ifdef USE_JPWL + /* + preparation of JPWL marker segments + */ + if(cp->epc_on) { + + /* encode according to JPWL */ + jpwl_encode(j2k, cio, image); + + } +#endif /* USE_JPWL */ + + return true; +} + + + + + + |