| /* |
| * 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; |
| } |
| |
| |
| |
| |
| |
| |