/* * The copyright in this software is being made available under the 2-clauses * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren * Copyright (c) 2003-2007, Francois-Olivier Devaux * Copyright (c) 2003-2014, Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team * Copyright (c) 2006-2007, Parvatha Elangovan * Copyright (c) 2010-2011, Kaori Hagihara * 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); /** Add main header marker information @param cstr_info Codestream information structure @param type marker type @param pos byte offset of marker segment @param len length of marker segment */ static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len); /** Add tile header marker information @param tileno tile index number @param cstr_info Codestream information structure @param type marker type @param pos byte offset of marker segment @param len length of marker segment */ static void j2k_add_tlmarker(int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len); /*@}*/ /*@}*/ /* ----------------------------------------------------------------------- */ typedef struct j2k_prog_order { OPJ_PROG_ORDER enum_prog; char str_prog[5]; } j2k_prog_order_t; j2k_prog_order_t j2k_prog_order_list[] = { {CPRL, "CPRL"}, {LRCP, "LRCP"}, {PCRL, "PCRL"}, {RLCP, "RLCP"}, {RPCL, "RPCL"}, {(OPJ_PROG_ORDER) - 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; } /* ----------------------------------------------------------------------- */ 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*/ static 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; OPJ_ARG_NOT_USED(img_numcomp); j2k->cur_totnum_tp = (int *) opj_malloc(sizeof(int) * cp->tw * cp->th); 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); if (j2k->cstr_info) { j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio), 0); } /* UniPG>> */ #ifdef USE_JPWL /* update markers struct */ j2k_add_marker(j2k->cstr_info, J2K_MS_SOC, cio_tell(cio) - 2, 2); #endif /* USE_JPWL */ /* <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); if (j2k->cstr_info) { j2k_add_mhmarker(j2k->cstr_info, J2K_MS_SIZ, 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 */ /* prevent division by zero */ if (!(cp->tdx * cp->tdy)) { opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: invalid tile size (tdx: %d, tdy: %d)\n", cp->tdx, cp->tdy); return; } 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 */ /* prevent division by zero */ if (!(image->comps[i].dx * image->comps[i].dy)) { opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL: invalid component size (dx: %d, dy: %d)\n", image->comps[i].dx, image->comps[i].dy); return; } /* 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)); if (cp->tcps == NULL) { opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n"); return; } cp->tileno = (int*) opj_malloc(sizeof(int) * cp->tw * cp->th); if (cp->tileno == NULL) { opj_event_msg(j2k->cinfo, EVT_ERROR, "Out of memory\n"); return; } 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); if (j2k->cstr_info) { j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COM, 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; } if (tccp->numresolutions > J2K_MAXRLVLS) { opj_event_msg(j2k->cinfo, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions is too big: %d vs max= %d. Truncating.\n\n", compno, tccp->numresolutions, J2K_MAXRLVLS); j2k->state |= J2K_STATE_ERR; tccp->numresolutions = J2K_MAXRLVLS; } 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); if (j2k->cstr_info) { j2k_add_mhmarker(j2k->cstr_info, J2K_MS_COD, 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 */ if (compno >= image->numcomps) { opj_event_msg(j2k->cinfo, EVT_ERROR, "bad component number in COC (%d out of a maximum of %d)\n", compno, image->numcomps); return; } 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); }; }; #else /* We check whether there are too many subbands */ if ((numbands < 0) || (numbands >= J2K_MAXBANDS)) { opj_event_msg(j2k->cinfo, EVT_WARNING, "bad number of subbands in Sqcx (%d) regarding to J2K_MAXBANDS (%d) \n" "- limiting number of bands to J2K_MAXBANDS and try to move to the next markers\n", numbands, J2K_MAXBANDS); } #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; } if (bandno < J2K_MAXBANDS) { 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); if (j2k->cstr_info) { j2k_add_mhmarker(j2k->cstr_info, J2K_MS_QCD, 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 */ if ((compno < 0) || (compno >= numcomp)) { opj_event_msg(j2k->cinfo, EVT_ERROR, "bad component number in QCC (%d out of a maximum of %d)\n", compno, j2k->image->numcomps); return; } 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 */ /* <cstr_info && j2k->cur_tp_num == 0) { j2k_add_tlmarker(j2k->curtileno, j2k->cstr_info, J2K_MS_SOT, lenp, len); } } 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++; } else #endif /* USE_JPWL */ { /* 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)); return; } } 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); } } else #endif /* USE_JPWL */ { /* 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); return; } } if (!totlen) { totlen = cio_numbytesleft(cio) + 8; } partno = cio_read(cio, 1); numparts = cio_read(cio, 1); if (partno >= numparts) { opj_event_msg(j2k->cinfo, EVT_WARNING, "SOT marker inconsistency in tile %d: tile-part index greater (%d) than number of tile-parts (%d)\n", tileno, partno, numparts); numparts = partno + 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; } else { j2k->cstr_info->tile[tileno].end_pos += totlen; } j2k->cstr_info->tile[tileno].num_tps = numparts; if (numparts) { j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc( j2k->cstr_info->tile[tileno].tp, numparts * sizeof(opj_tp_info_t)); } else { j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_realloc( j2k->cstr_info->tile[tileno].tp, 10 * sizeof(opj_tp_info_t)); /* Fixme (10)*/ } 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->cstr_info && j2k->cur_tp_num == 0) { j2k_add_tlmarker(j2k->curtileno, j2k->cstr_info, J2K_MS_SOD, cio_tell(cio), 0); } 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 */ /* <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 */ if (compno >= numcomps) { opj_event_msg(j2k->cinfo, EVT_ERROR, "bad component number in RGN (%d out of a maximum of %d)\n", compno, j2k->image->numcomps); return; } 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 */ /* <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); if (j2k->cp->tileno[i] != -1) { 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); } else { success = OPJ_FALSE; } if (success == OPJ_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) { if (j2k->cp != NULL) { for (i = 0; i < j2k->cp->tileno_size; i++) { int tileno = j2k->cp->tileno[i]; opj_free(j2k->tile_data[tileno]); j2k->tile_data[tileno] = 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); opj_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) { if (cio_numbytesleft(cio) != 0) { /* not end of file reached and no EOC */ opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id); opj_image_destroy(image); return 0; } opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id); j2k->state = J2K_STATE_NEOC; break; } 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) { opj_image_destroy(image); 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; OPJ_ARG_NOT_USED(cstr_info); 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) { if (cio_numbytesleft(cio) != 0) { /* no end of file reached and no EOC */ opj_event_msg(cinfo, EVT_ERROR, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id); opj_image_destroy(image); return 0; } opj_event_msg(cinfo, EVT_WARNING, "%.8x: expected a marker instead of %x\n", cio_tell(cio) - 2, id); j2k->state = J2K_STATE_NEOC; break; } 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 = OPJ_TRUE; cp->info_on = OPJ_FALSE; /* no informative technique */ /* set EPB on */ if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) { cp->epb_on = OPJ_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 = OPJ_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 = OPJ_FALSE; } else { cp->epc_on = OPJ_FALSE; } #endif /* USE_JPWL */ /* initialize the multiple 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); } } } opj_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; /* 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; /* <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; cstr_info->tile[j2k->curtileno].maxmarknum = 10; cstr_info->tile[j2k->curtileno].marker = (opj_marker_info_t *) opj_malloc( cstr_info->tile[j2k->curtileno].maxmarknum * sizeof(opj_marker_info_t)); cstr_info->tile[j2k->curtileno].marknum = 0; } /* << 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;ilen_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; /* <epc_on) { /* encode according to JPWL */ jpwl_encode(j2k, cio, image); } #endif /* USE_JPWL */ return OPJ_TRUE; } static void j2k_add_mhmarker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) { if (!cstr_info) { return; } /* expand the list? */ if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) { cstr_info->maxmarknum = 100 + (int)((float) cstr_info->maxmarknum * 1.0F); cstr_info->marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum); } /* add the marker */ cstr_info->marker[cstr_info->marknum].type = type; cstr_info->marker[cstr_info->marknum].pos = pos; cstr_info->marker[cstr_info->marknum].len = len; cstr_info->marknum++; } static void j2k_add_tlmarker(int tileno, opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) { opj_marker_info_t *marker; if (!cstr_info) { return; } /* expand the list? */ if ((cstr_info->tile[tileno].marknum + 1) > cstr_info->tile[tileno].maxmarknum) { cstr_info->tile[tileno].maxmarknum = 100 + (int)((float) cstr_info->tile[tileno].maxmarknum * 1.0F); cstr_info->tile[tileno].marker = (opj_marker_info_t*)opj_realloc( cstr_info->tile[tileno].marker, cstr_info->maxmarknum); } marker = &(cstr_info->tile[tileno].marker[cstr_info->tile[tileno].marknum]); /* add the marker */ marker->type = type; marker->pos = pos; marker->len = len; cstr_info->tile[tileno].marknum++; }