1380 lines
63 KiB
C
1380 lines
63 KiB
C
/*
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* Copyright (c) 2005-2006, Dept. of Electronic and Information Engineering, Universita' degli Studi di Perugia, Italy
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opj_includes.h"
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#ifdef USE_JPWL
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/** @defgroup JPWL JPWL - JPEG-2000 Part11 (JPWL) codestream manager */
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/*@{*/
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/** @name Local static variables */
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/*@{*/
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/** number of JPWL prepared markers */
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static int jwmarker_num;
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/** properties of JPWL markers to insert */
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static jpwl_marker_t jwmarker[JPWL_MAX_NO_MARKERS];
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/*@}*/
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/*@}*/
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/** @name Local static functions */
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/*@{*/
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/** create an EPC marker segment
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@param j2k J2K compressor handle
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@param esd_on true if ESD is activated
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@param red_on true if RED is activated
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@param epb_on true if EPB is activated
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@param info_on true if informative techniques are activated
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@return returns the freshly created EPC
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*/
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jpwl_epc_ms_t *jpwl_epc_create(opj_j2k_t *j2k, opj_bool esd_on, opj_bool red_on, opj_bool epb_on, opj_bool info_on);
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/*@}*/
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/** create an EPC marker segment
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@param j2k J2K compressor handle
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@param comps considered component (-1=average, 0/1/2/...=component no.)
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@param addrm addressing mode (0=packet, 1=byte range, 2=packet range, 3=reserved)
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@param ad_size size of addresses (2/4 bytes)
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@param senst sensitivity type
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@param se_size sensitivity values size (1/2 bytes)
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@param tileno tile where this ESD lies (-1 means MH)
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@param svalnum number of sensitivity values (if 0, they will be automatically filled)
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@param sensval pointer to an array of sensitivity values (if NULL, they will be automatically filled)
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@return returns the freshly created ESD
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*/
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jpwl_esd_ms_t *jpwl_esd_create(opj_j2k_t *j2k, int comps,
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unsigned char addrm, unsigned char ad_size,
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unsigned char senst, int se_size, int tileno,
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unsigned long int svalnum, void *sensval);
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/** this function is used to compare two JPWL markers based on
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their relevant wishlist position
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@param arg1 pointer to first marker
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@param arg2 pointer to second marker
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@return 1 if arg1>arg2, 0 if arg1=arg2, -1 if arg1<arg2
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*/
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int jpwl_markcomp(const void *arg1, const void *arg2);
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/** write an EPB MS to a buffer
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@param j2k J2K compressor handle
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@param epbmark pointer to the EPB MS
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@param buf pointer to the memory buffer
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*/
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void jpwl_epb_write(opj_j2k_t *j2k, jpwl_epb_ms_t *epbmark, unsigned char *buf);
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/** write an EPC MS to a buffer
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@param j2k J2K compressor handle
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@param epcmark pointer to the EPC MS
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@param buf pointer to the memory buffer
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*/
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void jpwl_epc_write(opj_j2k_t *j2k, jpwl_epc_ms_t *epcmark, unsigned char *buf);
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/** write an ESD MS to a buffer
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@param j2k J2K compressor handle
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@param esdmark pointer to the ESD MS
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@param buf pointer to the memory buffer
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*/
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void jpwl_esd_write(opj_j2k_t *j2k, jpwl_esd_ms_t *esdmark, unsigned char *buf);
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/*-----------------------------------------------------------------*/
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void jpwl_encode(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {
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int mm;
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/* let's reset some settings */
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/* clear the existing markers */
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for (mm = 0; mm < jwmarker_num; mm++) {
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switch (jwmarker[mm].id) {
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case J2K_MS_EPB:
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opj_free(jwmarker[mm].m.epbmark);
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break;
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case J2K_MS_EPC:
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opj_free(jwmarker[mm].m.epcmark);
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break;
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case J2K_MS_ESD:
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opj_free(jwmarker[mm].m.esdmark);
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break;
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case J2K_MS_RED:
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opj_free(jwmarker[mm].m.redmark);
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break;
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default:
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break;
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}
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}
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/* clear the marker structure array */
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memset(jwmarker, 0, sizeof(jpwl_marker_t) * JPWL_MAX_NO_MARKERS);
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/* no more markers in the list */
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jwmarker_num = 0;
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/* let's begin creating a marker list, according to user wishes */
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jpwl_prepare_marks(j2k, cio, image);
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/* now we dump the JPWL markers on the codestream */
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jpwl_dump_marks(j2k, cio, image);
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/* do not know exactly what is this for,
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but it gets called during index creation */
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j2k->pos_correction = 0;
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}
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opj_bool j2k_add_marker(opj_codestream_info_t *cstr_info, unsigned short int type, int pos, int len) {
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if (!cstr_info)
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return;
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/* expand the list? */
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if ((cstr_info->marknum + 1) > cstr_info->maxmarknum) {
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opj_marker_info_t* new_marker;
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cstr_info->maxmarknum += 100;
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new_marker = (opj_marker_info_t*)opj_realloc(cstr_info->marker, cstr_info->maxmarknum * sizeof(opj_marker_info_t));
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if (! new_marker)
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{
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opj_free(cstr_info->marker);
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cstr_info->marker = 0;
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cstr_info->marknum = 0;
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cstr_info->maxmarknum = 0;
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opj_event_msg_v2(p_manager, EVT_ERROR, "Not enough memory to add a marker\n"); // TODO: find a better error message
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TODO_test_add_marker_result;
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return OPJ_FALSE;
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}
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cstr_info->marker = new_marker;
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}
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/* add the marker */
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cstr_info->marker[cstr_info->marknum].type = type;
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cstr_info->marker[cstr_info->marknum].pos = pos;
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cstr_info->marker[cstr_info->marknum].len = len;
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cstr_info->marknum++;
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return OPJ_TRUE;
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}
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void jpwl_prepare_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {
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unsigned short int socsiz_len = 0;
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int ciopos = cio_tell(cio), soc_pos = j2k->cstr_info->main_head_start;
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unsigned char *socp = NULL;
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int tileno, acc_tpno, tpno, tilespec, hprot, sens, pprot, packspec, lastileno, packno;
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jpwl_epb_ms_t *epb_mark;
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jpwl_epc_ms_t *epc_mark;
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jpwl_esd_ms_t *esd_mark;
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(void)image;
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/* find (SOC + SIZ) length */
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/* I assume SIZ is always the first marker after SOC */
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cio_seek(cio, soc_pos + 4);
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socsiz_len = (unsigned short int) cio_read(cio, 2) + 4; /* add the 2 marks length itself */
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cio_seek(cio, soc_pos + 0);
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socp = cio_getbp(cio); /* pointer to SOC */
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/*
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EPC MS for Main Header: if we are here it's required
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*/
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/* create the EPC */
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if ((epc_mark = jpwl_epc_create(
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j2k,
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j2k->cp->esd_on, /* is ESD present? */
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j2k->cp->red_on, /* is RED present? */
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j2k->cp->epb_on, /* is EPB present? */
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OPJ_FALSE /* are informative techniques present? */
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))) {
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/* Add this marker to the 'insertanda' list */
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if (epc_mark) {
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jwmarker[jwmarker_num].id = J2K_MS_EPC; /* its type */
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jwmarker[jwmarker_num].m.epcmark = epc_mark; /* the EPC */
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jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* after SIZ */
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jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.1; /* not so first */
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jwmarker[jwmarker_num].len = epc_mark->Lepc; /* its length */
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jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready */
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jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */
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jwmarker[jwmarker_num].parms_ready = OPJ_FALSE; /* not ready */
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jwmarker[jwmarker_num].data_ready = OPJ_TRUE; /* ready */
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jwmarker_num++;
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};
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opj_event_msg(j2k->cinfo, EVT_INFO,
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"MH EPC : setting %s%s%s\n",
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j2k->cp->esd_on ? "ESD, " : "",
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j2k->cp->red_on ? "RED, " : "",
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j2k->cp->epb_on ? "EPB, " : ""
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);
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} else {
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/* ooops, problems */
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opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPC\n");
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};
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/*
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ESD MS for Main Header
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*/
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/* first of all, must MH have an ESD MS? */
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if (j2k->cp->esd_on && (j2k->cp->sens_MH >= 0)) {
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/* Create the ESD */
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if ((esd_mark = jpwl_esd_create(
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j2k, /* this encoder handle */
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-1, /* we are averaging over all components */
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(unsigned char) j2k->cp->sens_range, /* range method */
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(unsigned char) j2k->cp->sens_addr, /* sensitivity addressing */
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(unsigned char) j2k->cp->sens_MH, /* sensitivity method */
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j2k->cp->sens_size, /* sensitivity size */
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-1, /* this ESD is in main header */
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0 /*j2k->cstr_info->num*/, /* number of packets in codestream */
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NULL /*sensval*/ /* pointer to sensitivity data of packets */
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))) {
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/* Add this marker to the 'insertanda' list */
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if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
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jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */
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jwmarker[jwmarker_num].m.esdmark = esd_mark; /* the EPB */
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jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* we choose to place it after SIZ */
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jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */
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jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */
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jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* not ready, yet */
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jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */
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jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* not ready */
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jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* not ready */
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jwmarker_num++;
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}
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opj_event_msg(j2k->cinfo, EVT_INFO,
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"MH ESDs: method %d\n",
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j2k->cp->sens_MH
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);
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} else {
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/* ooops, problems */
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opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH ESD\n");
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};
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}
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/*
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ESD MSs for Tile Part Headers
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*/
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/* cycle through tiles */
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sens = -1; /* default spec: no ESD */
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tilespec = 0; /* first tile spec */
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acc_tpno = 0;
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for (tileno = 0; tileno < j2k->cstr_info->tw * j2k->cstr_info->th; tileno++) {
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opj_event_msg(j2k->cinfo, EVT_INFO,
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"Tile %d has %d tile part(s)\n",
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tileno, j2k->cstr_info->tile[tileno].num_tps
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);
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/* for every tile part in the tile */
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for (tpno = 0; tpno < j2k->cstr_info->tile[tileno].num_tps; tpno++, acc_tpno++) {
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int sot_len, Psot, Psotp, mm;
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unsigned long sot_pos, post_sod_pos;
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unsigned long int left_THmarks_len;
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/******* sot_pos = j2k->cstr_info->tile[tileno].start_pos; */
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sot_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos;
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cio_seek(cio, sot_pos + 2);
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sot_len = cio_read(cio, 2); /* SOT Len */
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cio_skip(cio, 2);
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Psotp = cio_tell(cio);
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Psot = cio_read(cio, 4); /* tile length */
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/******* post_sod_pos = j2k->cstr_info->tile[tileno].end_header + 1; */
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post_sod_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_end_header + 1;
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left_THmarks_len = post_sod_pos - sot_pos;
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/* add all the lengths of the markers which are len-ready and stay within SOT and SOD */
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for (mm = 0; mm < jwmarker_num; mm++) {
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if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {
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if (jwmarker[mm].len_ready)
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left_THmarks_len += jwmarker[mm].len + 2;
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else {
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opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",
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jwmarker[mm].id, jwmarker[mm].dpos);
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exit(1);
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}
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}
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}
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/******* if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == tileno)) */
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if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->sens_TPH_tileno[tilespec] == acc_tpno))
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/* we got a specification from this tile onwards */
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sens = j2k->cp->sens_TPH[tilespec++];
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/* must this TPH have an ESD MS? */
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if (j2k->cp->esd_on && (sens >= 0)) {
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/* Create the ESD */
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if ((esd_mark = jpwl_esd_create(
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j2k, /* this encoder handle */
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-1, /* we are averaging over all components */
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(unsigned char) j2k->cp->sens_range, /* range method */
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(unsigned char) j2k->cp->sens_addr, /* sensitivity addressing size */
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(unsigned char) sens, /* sensitivity method */
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j2k->cp->sens_size, /* sensitivity value size */
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tileno, /* this ESD is in a tile */
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0, /* number of packets in codestream */
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NULL /* pointer to sensitivity data of packets */
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))) {
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/* Add this marker to the 'insertanda' list */
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if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
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jwmarker[jwmarker_num].id = J2K_MS_ESD; /* its type */
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jwmarker[jwmarker_num].m.esdmark = esd_mark; /* the EPB */
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/****** jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].start_pos + sot_len + 2; */ /* after SOT */
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jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2; /* after SOT */
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jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos + 0.2; /* not first at all! */
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jwmarker[jwmarker_num].len = esd_mark->Lesd; /* its length */
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jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready, yet */
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jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */
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jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* not ready */
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jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* ready */
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jwmarker_num++;
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}
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/* update Psot of the tile */
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cio_seek(cio, Psotp);
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cio_write(cio, Psot + esd_mark->Lesd + 2, 4);
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opj_event_msg(j2k->cinfo, EVT_INFO,
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/******* "TPH ESDs: tile %02d, method %d\n", */
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"TPH ESDs: tile %02d, part %02d, method %d\n",
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/******* tileno, */
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tileno, tpno,
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sens
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);
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} else {
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/* ooops, problems */
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/***** opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d\n", tileno); */
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opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH ESD #%d,%d\n", tileno, tpno);
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};
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}
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}
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};
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/*
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EPB MS for Main Header
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*/
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/* first of all, must MH have an EPB MS? */
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if (j2k->cp->epb_on && (j2k->cp->hprot_MH > 0)) {
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int mm;
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/* position of SOT */
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unsigned int sot_pos = j2k->cstr_info->main_head_end + 1;
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/* how much space is there between end of SIZ and beginning of SOT? */
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int left_MHmarks_len = sot_pos - socsiz_len;
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/* add all the lengths of the markers which are len-ready and stay within SOC and SOT */
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for (mm = 0; mm < jwmarker_num; mm++) {
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if ( jwmarker[mm].pos < sot_pos) { /* jwmarker[mm].pos >=0 since ulong */
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if (jwmarker[mm].len_ready)
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left_MHmarks_len += jwmarker[mm].len + 2;
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else {
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up MH EPB\n",
|
|
jwmarker[mm].id, jwmarker[mm].dpos);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Create the EPB */
|
|
if ((epb_mark = jpwl_epb_create(
|
|
j2k, /* this encoder handle */
|
|
OPJ_TRUE, /* is it the latest? */
|
|
OPJ_TRUE, /* is it packed? not for now */
|
|
-1, /* we are in main header */
|
|
0, /* its index is 0 (first) */
|
|
j2k->cp->hprot_MH, /* protection type parameters of data */
|
|
socsiz_len, /* pre-data: only SOC+SIZ */
|
|
left_MHmarks_len /* post-data: from SOC to SOT, and all JPWL markers within */
|
|
))) {
|
|
|
|
/* Add this marker to the 'insertanda' list */
|
|
if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
|
|
jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */
|
|
jwmarker[jwmarker_num].m.epbmark = epb_mark; /* the EPB */
|
|
jwmarker[jwmarker_num].pos = soc_pos + socsiz_len; /* after SIZ */
|
|
jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */
|
|
jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */
|
|
jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready */
|
|
jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */
|
|
jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* ready */
|
|
jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* not ready */
|
|
jwmarker_num++;
|
|
}
|
|
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"MH EPB : prot. %d\n",
|
|
j2k->cp->hprot_MH
|
|
);
|
|
|
|
} else {
|
|
/* ooops, problems */
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create MH EPB\n");
|
|
};
|
|
}
|
|
|
|
/*
|
|
EPB MSs for Tile Parts
|
|
*/
|
|
/* cycle through TPHs */
|
|
hprot = j2k->cp->hprot_MH; /* default spec */
|
|
tilespec = 0; /* first tile spec */
|
|
lastileno = 0;
|
|
packspec = 0;
|
|
pprot = -1;
|
|
acc_tpno = 0;
|
|
for (tileno = 0; tileno < j2k->cstr_info->tw * j2k->cstr_info->th; tileno++) {
|
|
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"Tile %d has %d tile part(s)\n",
|
|
tileno, j2k->cstr_info->tile[tileno].num_tps
|
|
);
|
|
|
|
/* for every tile part in the tile */
|
|
for (tpno = 0; tpno < j2k->cstr_info->tile[tileno].num_tps; tpno++, acc_tpno++) {
|
|
|
|
int sot_len, Psot, Psotp, mm, epb_index = 0, prot_len = 0;
|
|
unsigned long sot_pos, post_sod_pos;
|
|
unsigned long int left_THmarks_len/*, epbs_len = 0*/;
|
|
int startpack = 0, stoppack = j2k->cstr_info->packno;
|
|
int first_tp_pack, last_tp_pack;
|
|
jpwl_epb_ms_t *tph_epb = NULL;
|
|
|
|
/****** sot_pos = j2k->cstr_info->tile[tileno].start_pos; */
|
|
sot_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos;
|
|
cio_seek(cio, sot_pos + 2);
|
|
sot_len = cio_read(cio, 2); /* SOT Len */
|
|
cio_skip(cio, 2);
|
|
Psotp = cio_tell(cio);
|
|
Psot = cio_read(cio, 4); /* tile length */
|
|
|
|
/* a-priori length of the data dwelling between SOT and SOD */
|
|
/****** post_sod_pos = j2k->cstr_info->tile[tileno].end_header + 1; */
|
|
post_sod_pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_end_header + 1;
|
|
left_THmarks_len = post_sod_pos - (sot_pos + sot_len + 2);
|
|
|
|
/* add all the lengths of the JPWL markers which are len-ready and stay within SOT and SOD */
|
|
for (mm = 0; mm < jwmarker_num; mm++) {
|
|
if ((jwmarker[mm].pos >= sot_pos) && (jwmarker[mm].pos < post_sod_pos)) {
|
|
if (jwmarker[mm].len_ready)
|
|
left_THmarks_len += jwmarker[mm].len + 2;
|
|
else {
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "MS %x in %f is not len-ready: could not set up TH EPB\n",
|
|
jwmarker[mm].id, jwmarker[mm].dpos);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/****** if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == tileno)) */
|
|
if ((tilespec < JPWL_MAX_NO_TILESPECS) && (j2k->cp->hprot_TPH_tileno[tilespec] == acc_tpno))
|
|
/* we got a specification from this tile part onwards */
|
|
hprot = j2k->cp->hprot_TPH[tilespec++];
|
|
|
|
/* must this TPH have an EPB MS? */
|
|
if (j2k->cp->epb_on && (hprot > 0)) {
|
|
|
|
/* Create the EPB */
|
|
if ((epb_mark = jpwl_epb_create(
|
|
j2k, /* this encoder handle */
|
|
OPJ_FALSE, /* is it the latest? in TPH, no for now (if huge data size in TPH, we'd need more) */
|
|
OPJ_TRUE, /* is it packed? yes for now */
|
|
tileno, /* we are in TPH */
|
|
epb_index++, /* its index is 0 (first) */
|
|
hprot, /* protection type parameters of following data */
|
|
sot_len + 2, /* pre-data length: only SOT */
|
|
left_THmarks_len /* post-data length: from SOT end to SOD inclusive */
|
|
))) {
|
|
|
|
/* Add this marker to the 'insertanda' list */
|
|
if (jwmarker_num < JPWL_MAX_NO_MARKERS) {
|
|
jwmarker[jwmarker_num].id = J2K_MS_EPB; /* its type */
|
|
jwmarker[jwmarker_num].m.epbmark = epb_mark; /* the EPB */
|
|
/****** jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].start_pos + sot_len + 2; */ /* after SOT */
|
|
jwmarker[jwmarker_num].pos = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2; /* after SOT */
|
|
jwmarker[jwmarker_num].dpos = (double) jwmarker[jwmarker_num].pos; /* first first first! */
|
|
jwmarker[jwmarker_num].len = epb_mark->Lepb; /* its length */
|
|
jwmarker[jwmarker_num].len_ready = OPJ_TRUE; /* ready */
|
|
jwmarker[jwmarker_num].pos_ready = OPJ_TRUE; /* ready */
|
|
jwmarker[jwmarker_num].parms_ready = OPJ_TRUE; /* ready */
|
|
jwmarker[jwmarker_num].data_ready = OPJ_FALSE; /* not ready */
|
|
jwmarker_num++;
|
|
}
|
|
|
|
/* update Psot of the tile */
|
|
Psot += epb_mark->Lepb + 2;
|
|
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
/***** "TPH EPB : tile %02d, prot. %d\n", */
|
|
"TPH EPB : tile %02d, part %02d, prot. %d\n",
|
|
/***** tileno, */
|
|
tileno, tpno,
|
|
hprot
|
|
);
|
|
|
|
/* save this TPH EPB address */
|
|
tph_epb = epb_mark;
|
|
|
|
} else {
|
|
/* ooops, problems */
|
|
/****** opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB #%d\n", tileno); */
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not create TPH EPB in #%d,d\n", tileno, tpno);
|
|
};
|
|
|
|
}
|
|
|
|
startpack = 0;
|
|
/* EPB MSs for UEP packet data protection in Tile Parts */
|
|
/****** for (packno = 0; packno < j2k->cstr_info->num; packno++) { */
|
|
/*first_tp_pack = (tpno > 0) ? (first_tp_pack + j2k->cstr_info->tile[tileno].tp[tpno - 1].tp_numpacks) : 0;*/
|
|
first_tp_pack = j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pack;
|
|
last_tp_pack = first_tp_pack + j2k->cstr_info->tile[tileno].tp[tpno].tp_numpacks - 1;
|
|
for (packno = 0; packno < j2k->cstr_info->tile[tileno].tp[tpno].tp_numpacks; packno++) {
|
|
|
|
/******** if ((packspec < JPWL_MAX_NO_PACKSPECS) &&
|
|
(j2k->cp->pprot_tileno[packspec] == tileno) && (j2k->cp->pprot_packno[packspec] == packno)) { */
|
|
if ((packspec < JPWL_MAX_NO_PACKSPECS) &&
|
|
(j2k->cp->pprot_tileno[packspec] == acc_tpno) && (j2k->cp->pprot_packno[packspec] == packno)) {
|
|
|
|
/* we got a specification from this tile and packet onwards */
|
|
/* print the previous spec */
|
|
if (packno > 0) {
|
|
stoppack = packno - 1;
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
/***** "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n", */
|
|
"UEP EPBs: tile %02d, part %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",
|
|
/***** tileno, */
|
|
tileno, tpno,
|
|
startpack,
|
|
stoppack,
|
|
/***** j2k->cstr_info->tile[tileno].packet[startpack].start_pos, */
|
|
j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos,
|
|
/***** j2k->cstr_info->tile[tileno].packet[stoppack].end_pos, */
|
|
j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos,
|
|
pprot);
|
|
|
|
/***** prot_len = j2k->cstr_info->tile[tileno].packet[stoppack].end_pos + 1 -
|
|
j2k->cstr_info->tile[tileno].packet[startpack].start_pos; */
|
|
prot_len = j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos + 1 -
|
|
j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos;
|
|
|
|
/*
|
|
particular case: if this is the last header and the last packet,
|
|
then it is better to protect even the EOC marker
|
|
*/
|
|
/****** if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&
|
|
(stoppack == (j2k->cstr_info->num - 1))) */
|
|
if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&
|
|
(tpno == (j2k->cstr_info->tile[tileno].num_tps - 1)) &&
|
|
(stoppack == last_tp_pack))
|
|
/* add the EOC len */
|
|
prot_len += 2;
|
|
|
|
/* let's add the EPBs */
|
|
Psot += jpwl_epbs_add(
|
|
j2k, /* J2K handle */
|
|
jwmarker, /* pointer to JPWL markers list */
|
|
&jwmarker_num, /* pointer to the number of current markers */
|
|
OPJ_FALSE, /* latest */
|
|
OPJ_TRUE, /* packed */
|
|
OPJ_FALSE, /* inside MH */
|
|
&epb_index, /* pointer to EPB index */
|
|
pprot, /* protection type */
|
|
/****** (double) (j2k->cstr_info->tile[tileno].start_pos + sot_len + 2) + 0.0001, */ /* position */
|
|
(double) (j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2) + 0.0001, /* position */
|
|
tileno, /* number of tile */
|
|
0, /* length of pre-data */
|
|
prot_len /*4000*/ /* length of post-data */
|
|
);
|
|
}
|
|
|
|
startpack = packno;
|
|
pprot = j2k->cp->pprot[packspec++];
|
|
}
|
|
|
|
/*printf("Tile %02d, pack %02d ==> %d\n", tileno, packno, pprot);*/
|
|
|
|
}
|
|
|
|
/* we are at the end: print the remaining spec */
|
|
stoppack = packno - 1;
|
|
if (pprot >= 0) {
|
|
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
/**** "UEP EPBs: tile %02d, packs. %02d-%02d (B %d-%d), prot. %d\n", */
|
|
"UEP EPBs: tile %02d, part %02d, packs. %02d-%02d (B %d-%d), prot. %d\n",
|
|
/**** tileno, */
|
|
tileno, tpno,
|
|
startpack,
|
|
stoppack,
|
|
/***** j2k->image_info->tile[tileno].packet[startpack].start_pos,
|
|
j2k->image_info->tile[tileno].packet[stoppack].end_pos, */
|
|
j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos,
|
|
j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos,
|
|
pprot);
|
|
|
|
/***** prot_len = j2k->cstr_info->tile[tileno].packet[stoppack].end_pos + 1 -
|
|
j2k->cstr_info->tile[tileno].packet[startpack].start_pos; */
|
|
prot_len = j2k->cstr_info->tile[tileno].packet[first_tp_pack + stoppack].end_pos + 1 -
|
|
j2k->cstr_info->tile[tileno].packet[first_tp_pack + startpack].start_pos;
|
|
|
|
/*
|
|
particular case: if this is the last header and the last packet,
|
|
then it is better to protect even the EOC marker
|
|
*/
|
|
/***** if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&
|
|
(stoppack == (j2k->cstr_info->num - 1))) */
|
|
if ((tileno == ((j2k->cstr_info->tw * j2k->cstr_info->th) - 1)) &&
|
|
(tpno == (j2k->cstr_info->tile[tileno].num_tps - 1)) &&
|
|
(stoppack == last_tp_pack))
|
|
/* add the EOC len */
|
|
prot_len += 2;
|
|
|
|
/* let's add the EPBs */
|
|
Psot += jpwl_epbs_add(
|
|
j2k, /* J2K handle */
|
|
jwmarker, /* pointer to JPWL markers list */
|
|
&jwmarker_num, /* pointer to the number of current markers */
|
|
OPJ_TRUE, /* latest */
|
|
OPJ_TRUE, /* packed */
|
|
OPJ_FALSE, /* inside MH */
|
|
&epb_index, /* pointer to EPB index */
|
|
pprot, /* protection type */
|
|
/***** (double) (j2k->cstr_info->tile[tileno].start_pos + sot_len + 2) + 0.0001,*/ /* position */
|
|
(double) (j2k->cstr_info->tile[tileno].tp[tpno].tp_start_pos + sot_len + 2) + 0.0001, /* position */
|
|
tileno, /* number of tile */
|
|
0, /* length of pre-data */
|
|
prot_len /*4000*/ /* length of post-data */
|
|
);
|
|
}
|
|
|
|
/* we can now check if the TPH EPB was really the last one */
|
|
if (tph_epb && (epb_index == 1)) {
|
|
/* set the TPH EPB to be the last one in current header */
|
|
tph_epb->Depb |= (unsigned char) ((OPJ_TRUE & 0x0001) << 6);
|
|
tph_epb = NULL;
|
|
}
|
|
|
|
/* write back Psot */
|
|
cio_seek(cio, Psotp);
|
|
cio_write(cio, Psot, 4);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
/* reset the position */
|
|
cio_seek(cio, ciopos);
|
|
|
|
}
|
|
|
|
void jpwl_dump_marks(opj_j2k_t *j2k, opj_cio_t *cio, opj_image_t *image) {
|
|
|
|
int mm;
|
|
unsigned long int old_size = j2k->cstr_info->codestream_size;
|
|
unsigned long int new_size = old_size;
|
|
int /*ciopos = cio_tell(cio),*/ soc_pos = j2k->cstr_info->main_head_start;
|
|
unsigned char *jpwl_buf, *orig_buf;
|
|
unsigned long int orig_pos;
|
|
double epbcoding_time = 0.0, esdcoding_time = 0.0;
|
|
(void)image;
|
|
|
|
/* Order JPWL markers according to their wishlist position */
|
|
qsort((void *) jwmarker, (size_t) jwmarker_num, sizeof (jpwl_marker_t), jpwl_markcomp);
|
|
|
|
/* compute markers total size */
|
|
for (mm = 0; mm < jwmarker_num; mm++) {
|
|
/*printf("%x, %d, %.10f, %d long\n", jwmarker[mm].id, jwmarker[mm].pos,
|
|
jwmarker[mm].dpos, jwmarker[mm].len);*/
|
|
new_size += jwmarker[mm].len + 2;
|
|
}
|
|
|
|
/* allocate a new buffer of proper size */
|
|
if (!(jpwl_buf = (unsigned char *) opj_malloc((size_t) (new_size + soc_pos) * sizeof(unsigned char)))) {
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not allocate room for JPWL codestream buffer\n");
|
|
exit(1);
|
|
};
|
|
|
|
/* copy the jp2 part, if any */
|
|
orig_buf = jpwl_buf;
|
|
memcpy(jpwl_buf, cio->buffer, soc_pos);
|
|
jpwl_buf += soc_pos;
|
|
|
|
/* cycle through markers */
|
|
orig_pos = soc_pos + 0; /* start from the beginning */
|
|
cio_seek(cio, soc_pos + 0); /* rewind the original */
|
|
for (mm = 0; mm < jwmarker_num; mm++) {
|
|
|
|
/*
|
|
need to copy a piece of the original codestream
|
|
if there is such
|
|
*/
|
|
memcpy(jpwl_buf, cio_getbp(cio), jwmarker[mm].pos - orig_pos);
|
|
jpwl_buf += jwmarker[mm].pos - orig_pos;
|
|
orig_pos = jwmarker[mm].pos;
|
|
cio_seek(cio, orig_pos);
|
|
|
|
/*
|
|
then write down the marker
|
|
*/
|
|
switch (jwmarker[mm].id) {
|
|
|
|
case J2K_MS_EPB:
|
|
jpwl_epb_write(j2k, jwmarker[mm].m.epbmark, jpwl_buf);
|
|
break;
|
|
|
|
case J2K_MS_EPC:
|
|
jpwl_epc_write(j2k, jwmarker[mm].m.epcmark, jpwl_buf);
|
|
break;
|
|
|
|
case J2K_MS_ESD:
|
|
jpwl_esd_write(j2k, jwmarker[mm].m.esdmark, jpwl_buf);
|
|
break;
|
|
|
|
case J2K_MS_RED:
|
|
memset(jpwl_buf, 0, jwmarker[mm].len + 2); /* placeholder */
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
};
|
|
|
|
/* we update the markers struct */
|
|
if (j2k->cstr_info)
|
|
j2k->cstr_info->marker[j2k->cstr_info->marknum - 1].pos = (jpwl_buf - orig_buf);
|
|
|
|
/* we set the marker dpos to the new position in the JPWL codestream */
|
|
jwmarker[mm].dpos = (double) (jpwl_buf - orig_buf);
|
|
|
|
/* advance JPWL buffer position */
|
|
jpwl_buf += jwmarker[mm].len + 2;
|
|
|
|
}
|
|
|
|
/* finish remaining original codestream */
|
|
memcpy(jpwl_buf, cio_getbp(cio), old_size - (orig_pos - soc_pos));
|
|
jpwl_buf += old_size - (orig_pos - soc_pos);
|
|
cio_seek(cio, soc_pos + old_size);
|
|
|
|
/*
|
|
update info file based on added markers
|
|
*/
|
|
if (!jpwl_update_info(j2k, jwmarker, jwmarker_num))
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "Could not update OPJ cstr_info structure\n");
|
|
|
|
/* now we need to repass some markers and fill their data fields */
|
|
|
|
/* first of all, DL and Pcrc in EPCs */
|
|
for (mm = 0; mm < jwmarker_num; mm++) {
|
|
|
|
/* find the EPCs */
|
|
if (jwmarker[mm].id == J2K_MS_EPC) {
|
|
|
|
int epc_pos = (int) jwmarker[mm].dpos, pp;
|
|
unsigned short int mycrc = 0x0000;
|
|
|
|
/* fix and fill the DL field */
|
|
jwmarker[mm].m.epcmark->DL = new_size;
|
|
orig_buf[epc_pos + 6] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 24);
|
|
orig_buf[epc_pos + 7] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 16);
|
|
orig_buf[epc_pos + 8] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 8);
|
|
orig_buf[epc_pos + 9] = (unsigned char) (jwmarker[mm].m.epcmark->DL >> 0);
|
|
|
|
/* compute the CRC field (excluding itself) */
|
|
for (pp = 0; pp < 4; pp++)
|
|
jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);
|
|
for (pp = 6; pp < (jwmarker[mm].len + 2); pp++)
|
|
jpwl_updateCRC16(&mycrc, orig_buf[epc_pos + pp]);
|
|
|
|
/* fix and fill the CRC */
|
|
jwmarker[mm].m.epcmark->Pcrc = mycrc;
|
|
orig_buf[epc_pos + 4] = (unsigned char) (jwmarker[mm].m.epcmark->Pcrc >> 8);
|
|
orig_buf[epc_pos + 5] = (unsigned char) (jwmarker[mm].m.epcmark->Pcrc >> 0);
|
|
|
|
}
|
|
}
|
|
|
|
/* then, sensitivity data in ESDs */
|
|
esdcoding_time = opj_clock();
|
|
for (mm = 0; mm < jwmarker_num; mm++) {
|
|
|
|
/* find the ESDs */
|
|
if (jwmarker[mm].id == J2K_MS_ESD) {
|
|
|
|
/* remember that they are now in a new position (dpos) */
|
|
int esd_pos = (int) jwmarker[mm].dpos;
|
|
|
|
jpwl_esd_fill(j2k, jwmarker[mm].m.esdmark, &orig_buf[esd_pos]);
|
|
|
|
}
|
|
|
|
}
|
|
esdcoding_time = opj_clock() - esdcoding_time;
|
|
if (j2k->cp->esd_on)
|
|
opj_event_msg(j2k->cinfo, EVT_INFO, "ESDs sensitivities computed in %f s\n", esdcoding_time);
|
|
|
|
/* finally, RS or CRC parity in EPBs */
|
|
epbcoding_time = opj_clock();
|
|
for (mm = 0; mm < jwmarker_num; mm++) {
|
|
|
|
/* find the EPBs */
|
|
if (jwmarker[mm].id == J2K_MS_EPB) {
|
|
|
|
/* remember that they are now in a new position (dpos) */
|
|
int nn, accum_len;
|
|
|
|
/* let's see how many EPBs are following this one, included itself */
|
|
/* for this to work, we suppose that the markers are correctly ordered */
|
|
/* and, overall, that they are in packed mode inside headers */
|
|
accum_len = 0;
|
|
for (nn = mm; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&
|
|
(jwmarker[nn].pos == jwmarker[mm].pos); nn++)
|
|
accum_len += jwmarker[nn].m.epbmark->Lepb + 2;
|
|
|
|
/* fill the current (first) EPB with post-data starting from the computed position */
|
|
jpwl_epb_fill(j2k, jwmarker[mm].m.epbmark, &orig_buf[(int) jwmarker[mm].dpos],
|
|
&orig_buf[(int) jwmarker[mm].dpos + accum_len]);
|
|
|
|
/* fill the remaining EPBs in the header with post-data starting from the last position */
|
|
for (nn = mm + 1; (nn < jwmarker_num) && (jwmarker[nn].id == J2K_MS_EPB) &&
|
|
(jwmarker[nn].pos == jwmarker[mm].pos); nn++)
|
|
jpwl_epb_fill(j2k, jwmarker[nn].m.epbmark, &orig_buf[(int) jwmarker[nn].dpos], NULL);
|
|
|
|
/* skip all the processed EPBs */
|
|
mm = nn - 1;
|
|
}
|
|
|
|
}
|
|
epbcoding_time = opj_clock() - epbcoding_time;
|
|
if (j2k->cp->epb_on)
|
|
opj_event_msg(j2k->cinfo, EVT_INFO, "EPBs redundancy computed in %f s\n", epbcoding_time);
|
|
|
|
/* free original cio buffer and set it to the JPWL one */
|
|
opj_free(cio->buffer);
|
|
cio->cinfo = cio->cinfo; /* no change */
|
|
cio->openmode = cio->openmode; /* no change */
|
|
cio->buffer = orig_buf;
|
|
cio->length = new_size + soc_pos;
|
|
cio->start = cio->buffer;
|
|
cio->end = cio->buffer + cio->length;
|
|
cio->bp = cio->buffer;
|
|
cio_seek(cio, soc_pos + new_size);
|
|
|
|
}
|
|
|
|
|
|
void j2k_read_epc(opj_j2k_t *j2k) {
|
|
unsigned long int DL, Lepcp, Pcrcp, l;
|
|
unsigned short int Lepc, Pcrc = 0x0000;
|
|
unsigned char Pepc;
|
|
opj_cio_t *cio = j2k->cio;
|
|
const char *ans1;
|
|
|
|
/* Simply read the EPC parameters */
|
|
Lepcp = cio_tell(cio);
|
|
Lepc = cio_read(cio, 2);
|
|
Pcrcp = cio_tell(cio);
|
|
cio_skip(cio, 2); /* Pcrc */
|
|
DL = cio_read(cio, 4);
|
|
Pepc = cio_read(cio, 1);
|
|
|
|
/* compute Pcrc */
|
|
cio_seek(cio, Lepcp - 2);
|
|
|
|
/* Marker */
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
|
|
/* Length */
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
|
|
/* skip Pcrc */
|
|
cio_skip(cio, 2);
|
|
|
|
/* read all remaining */
|
|
for (l = 4; l < Lepc; l++)
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
|
|
/* check Pcrc with the result */
|
|
cio_seek(cio, Pcrcp);
|
|
ans1 = (Pcrc == (unsigned short int) cio_read(cio, 2)) ? "crc-ok" : "crc-ko";
|
|
|
|
/* now we write them to screen */
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"EPC(%u,%d): %s, DL=%d%s %s %s\n",
|
|
Lepcp - 2,
|
|
Lepc,
|
|
ans1,
|
|
DL, /* data length this EPC is referring to */
|
|
(Pepc & 0x10) ? ", esd" : "", /* ESD is present */
|
|
(Pepc & 0x20) ? ", red" : "", /* RED is present */
|
|
(Pepc & 0x40) ? ", epb" : ""); /* EPB is present */
|
|
|
|
cio_seek(cio, Lepcp + Lepc);
|
|
}
|
|
|
|
#if 0
|
|
void j2k_write_epc(opj_j2k_t *j2k) {
|
|
|
|
unsigned long int DL, Lepcp, Pcrcp, l;
|
|
unsigned short int Lepc, Pcrc;
|
|
unsigned char Pepc;
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
cio_write(cio, J2K_MS_EPC, 2); /* EPC */
|
|
Lepcp = cio_tell(cio);
|
|
cio_skip(cio, 2);
|
|
|
|
/* CRC-16 word of the EPC */
|
|
Pcrc = 0x0000; /* initialize */
|
|
Pcrcp = cio_tell(cio);
|
|
cio_write(cio, Pcrc, 2); /* Pcrc placeholder*/
|
|
|
|
/* data length of the EPC protection domain */
|
|
DL = 0x00000000; /* we leave this set to 0, as if the information is not available */
|
|
cio_write(cio, DL, 4); /* DL */
|
|
|
|
/* jpwl capabilities */
|
|
Pepc = 0x00;
|
|
cio_write(cio, Pepc, 1); /* Pepc */
|
|
|
|
/* ID section */
|
|
/* no ID's, as of now */
|
|
|
|
Lepc = (unsigned short) (cio_tell(cio) - Lepcp);
|
|
cio_seek(cio, Lepcp);
|
|
cio_write(cio, Lepc, 2); /* Lepc */
|
|
|
|
/* compute Pcrc */
|
|
cio_seek(cio, Lepcp - 2);
|
|
|
|
/* Marker */
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
|
|
/* Length */
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
|
|
/* skip Pcrc */
|
|
cio_skip(cio, 2);
|
|
|
|
/* read all remaining */
|
|
for (l = 4; l < Lepc; l++)
|
|
jpwl_updateCRC16(&Pcrc, (unsigned char) cio_read(cio, 1));
|
|
|
|
/* fill Pcrc with the result */
|
|
cio_seek(cio, Pcrcp);
|
|
cio_write(cio, Pcrc, 2);
|
|
|
|
cio_seek(cio, Lepcp + Lepc);
|
|
|
|
/* marker struct update */
|
|
j2k_add_marker(j2k->cstr_info, J2K_MS_EPC, Lepcp - 2, Lepc + 2);
|
|
|
|
}
|
|
#endif
|
|
|
|
void j2k_read_epb(opj_j2k_t *j2k) {
|
|
unsigned long int LDPepb, Pepb;
|
|
unsigned short int Lepb;
|
|
unsigned char Depb;
|
|
char str1[25] = "";
|
|
opj_bool status;
|
|
static opj_bool first_in_tph = OPJ_TRUE;
|
|
int type, pre_len, post_len;
|
|
static unsigned char *redund = NULL;
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
/* B/W = 45, RGB = 51 */
|
|
/* SIZ SIZ_FIELDS SIZ_COMPS FOLLOWING_MARKER */
|
|
int skipnum = 2 + 38 + 3 * j2k->cp->exp_comps + 2;
|
|
|
|
if (j2k->cp->correct) {
|
|
|
|
/* go back to EPB marker value */
|
|
cio_seek(cio, cio_tell(cio) - 2);
|
|
|
|
/* we need to understand where we are */
|
|
if (j2k->state == J2K_STATE_MH) {
|
|
/* we are in MH */
|
|
type = 0; /* MH */
|
|
pre_len = skipnum; /* SOC+SIZ */
|
|
post_len = -1; /* auto */
|
|
|
|
} else if ((j2k->state == J2K_STATE_TPH) && first_in_tph) {
|
|
/* we are in TPH */
|
|
type = 1; /* TPH */
|
|
pre_len = 12; /* SOC+SIZ */
|
|
first_in_tph = OPJ_FALSE;
|
|
post_len = -1; /* auto */
|
|
|
|
} else {
|
|
/* we are elsewhere */
|
|
type = 2; /* other */
|
|
pre_len = 0; /* nada */
|
|
post_len = -1; /* auto */
|
|
|
|
}
|
|
|
|
/* call EPB corrector */
|
|
/*printf("before %x, ", redund);*/
|
|
status = jpwl_epb_correct(j2k, /* J2K decompressor handle */
|
|
cio->bp, /* pointer to EPB in codestream buffer */
|
|
type, /* EPB type: MH */
|
|
pre_len, /* length of pre-data */
|
|
post_len, /* length of post-data: -1 means auto */
|
|
NULL, /* do everything auto */
|
|
&redund
|
|
);
|
|
/*printf("after %x\n", redund);*/
|
|
|
|
/* Read the (possibly corrected) EPB parameters */
|
|
cio_skip(cio, 2);
|
|
Lepb = cio_read(cio, 2);
|
|
Depb = cio_read(cio, 1);
|
|
LDPepb = cio_read(cio, 4);
|
|
Pepb = cio_read(cio, 4);
|
|
|
|
if (!status) {
|
|
|
|
opj_event_msg(j2k->cinfo, EVT_ERROR, "JPWL correction could not be performed\n");
|
|
|
|
/* advance to EPB endpoint */
|
|
cio_skip(cio, Lepb + 2);
|
|
|
|
return;
|
|
}
|
|
|
|
/* last in current header? */
|
|
if (Depb & 0x40) {
|
|
redund = NULL; /* reset the pointer to L4 buffer */
|
|
first_in_tph = OPJ_TRUE;
|
|
}
|
|
|
|
/* advance to EPB endpoint */
|
|
cio_skip(cio, Lepb - 11);
|
|
|
|
} else {
|
|
|
|
/* Simply read the EPB parameters */
|
|
Lepb = cio_read(cio, 2);
|
|
Depb = cio_read(cio, 1);
|
|
LDPepb = cio_read(cio, 4);
|
|
Pepb = cio_read(cio, 4);
|
|
|
|
/* What does Pepb tells us about the protection method? */
|
|
if (((Pepb & 0xF0000000) >> 28) == 0)
|
|
sprintf(str1, "pred"); /* predefined */
|
|
else if (((Pepb & 0xF0000000) >> 28) == 1)
|
|
sprintf(str1, "crc-%lu", 16 * ((Pepb & 0x00000001) + 1)); /* CRC mode */
|
|
else if (((Pepb & 0xF0000000) >> 28) == 2)
|
|
sprintf(str1, "rs(%lu,32)", (Pepb & 0x0000FF00) >> 8); /* RS mode */
|
|
else if (Pepb == 0xFFFFFFFF)
|
|
sprintf(str1, "nometh"); /* RS mode */
|
|
else
|
|
sprintf(str1, "unknown"); /* unknown */
|
|
|
|
/* Now we write them to screen */
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"EPB(%d): (%sl, %sp, %u), %lu, %s\n",
|
|
cio_tell(cio) - 13,
|
|
(Depb & 0x40) ? "" : "n", /* latest EPB or not? */
|
|
(Depb & 0x80) ? "" : "n", /* packed or unpacked EPB? */
|
|
(Depb & 0x3F), /* EPB index value */
|
|
LDPepb, /*length of the data protected by the EPB */
|
|
str1); /* protection method */
|
|
|
|
cio_skip(cio, Lepb - 11);
|
|
}
|
|
}
|
|
|
|
void j2k_write_epb(opj_j2k_t *j2k) {
|
|
unsigned long int LDPepb, Pepb, Lepbp;
|
|
unsigned short int Lepb;
|
|
unsigned char Depb;
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
cio_write(cio, J2K_MS_EPB, 2); /* EPB */
|
|
Lepbp = cio_tell(cio);
|
|
cio_skip(cio, 2);
|
|
|
|
/* EPB style */
|
|
Depb = 0x00; /* test */
|
|
cio_write(cio, Depb, 1); /* Depb */
|
|
|
|
/* length of the data to be protected by this EPB */
|
|
LDPepb = 0x00000000; /* test */
|
|
cio_write(cio, LDPepb, 4); /* LDPepb */
|
|
|
|
/* next error correction tool */
|
|
Pepb = 0x00000000; /* test */
|
|
cio_write(cio, Pepb, 4); /* Pepb */
|
|
|
|
/* EPB data */
|
|
/* no data, as of now */
|
|
|
|
Lepb = (unsigned short) (cio_tell(cio) - Lepbp);
|
|
cio_seek(cio, Lepbp);
|
|
cio_write(cio, Lepb, 2); /* Lepb */
|
|
|
|
cio_seek(cio, Lepbp + Lepb);
|
|
|
|
/* marker struct update */
|
|
j2k_add_marker(j2k->cstr_info, J2K_MS_EPB, Lepbp - 2, Lepb + 2);
|
|
}
|
|
|
|
void j2k_read_esd(opj_j2k_t *j2k) {
|
|
unsigned short int Lesd, Cesd;
|
|
unsigned char Pesd;
|
|
|
|
int cesdsize = (j2k->image->numcomps >= 257) ? 2 : 1;
|
|
|
|
char str1[4][4] = {"p", "br", "pr", "res"};
|
|
char str2[8][8] = {"res", "mse", "mse-r", "psnr", "psnr-i", "maxerr", "tse", "res"};
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
/* Simply read the ESD parameters */
|
|
Lesd = cio_read(cio, 2);
|
|
Cesd = cio_read(cio, cesdsize);
|
|
Pesd = cio_read(cio, 1);
|
|
|
|
/* Now we write them to screen */
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"ESD(%d): c%d, %s, %s, %s, %s, %s\n",
|
|
cio_tell(cio) - (5 + cesdsize),
|
|
Cesd, /* component number for this ESD */
|
|
str1[(Pesd & (unsigned char) 0xC0) >> 6], /* addressing mode */
|
|
str2[(Pesd & (unsigned char) 0x38) >> 3], /* sensitivity type */
|
|
((Pesd & (unsigned char) 0x04) >> 2) ? "2Bs" : "1Bs",
|
|
((Pesd & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba",
|
|
(Pesd & (unsigned char) 0x01) ? "avgc" : "");
|
|
|
|
cio_skip(cio, Lesd - (3 + cesdsize));
|
|
}
|
|
|
|
void j2k_read_red(opj_j2k_t *j2k) {
|
|
unsigned short int Lred;
|
|
unsigned char Pred;
|
|
char str1[4][4] = {"p", "br", "pr", "res"};
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
/* Simply read the RED parameters */
|
|
Lred = cio_read(cio, 2);
|
|
Pred = cio_read(cio, 1);
|
|
|
|
/* Now we write them to screen */
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"RED(%d): %s, %dc, %s, %s\n",
|
|
cio_tell(cio) - 5,
|
|
str1[(Pred & (unsigned char) 0xC0) >> 6], /* addressing mode */
|
|
(Pred & (unsigned char) 0x38) >> 3, /* corruption level */
|
|
((Pred & (unsigned char) 0x02) >> 1) ? "4Ba" : "2Ba", /* address range */
|
|
(Pred & (unsigned char) 0x01) ? "errs" : "free"); /* error free? */
|
|
|
|
cio_skip(cio, Lred - 3);
|
|
}
|
|
|
|
opj_bool jpwl_check_tile(opj_j2k_t *j2k, opj_tcd_t *tcd, int tileno) {
|
|
|
|
#ifdef oerhgierhgvhreit4u
|
|
/*
|
|
we navigate through the tile and find possible invalid parameters:
|
|
this saves a lot of crashes!!!!!
|
|
*/
|
|
int compno, resno, precno, /*layno,*/ bandno, blockno;
|
|
int numprecincts, numblocks;
|
|
|
|
/* this is the selected tile */
|
|
opj_tcd_tile_t *tile = &(tcd->tcd_image->tiles[tileno]);
|
|
|
|
/* will keep the component */
|
|
opj_tcd_tilecomp_t *comp = NULL;
|
|
|
|
/* will keep the resolution */
|
|
opj_tcd_resolution_t *res;
|
|
|
|
/* will keep the subband */
|
|
opj_tcd_band_t *band;
|
|
|
|
/* will keep the precinct */
|
|
opj_tcd_precinct_t *prec;
|
|
|
|
/* will keep the codeblock */
|
|
opj_tcd_cblk_t *block;
|
|
|
|
/* check all tile components */
|
|
for (compno = 0; compno < tile->numcomps; compno++) {
|
|
comp = &(tile->comps[compno]);
|
|
|
|
/* check all component resolutions */
|
|
for (resno = 0; resno < comp->numresolutions; resno++) {
|
|
res = &(comp->resolutions[resno]);
|
|
numprecincts = res->pw * res->ph;
|
|
|
|
/* check all the subbands */
|
|
for (bandno = 0; bandno < res->numbands; bandno++) {
|
|
band = &(res->bands[bandno]);
|
|
|
|
/* check all the precincts */
|
|
for (precno = 0; precno < numprecincts; precno++) {
|
|
prec = &(band->precincts[precno]);
|
|
numblocks = prec->ch * prec->cw;
|
|
|
|
/* check all the codeblocks */
|
|
for (blockno = 0; blockno < numblocks; blockno++) {
|
|
block = &(prec->cblks[blockno]);
|
|
|
|
/* x-origin is invalid */
|
|
if ((block->x0 < prec->x0) || (block->x0 > prec->x1)) {
|
|
opj_event_msg(j2k->cinfo, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
|
|
"JPWL: wrong x-cord of block origin %d => x-prec is (%d, %d)\n",
|
|
block->x0, prec->x0, prec->x1);
|
|
if (!JPWL_ASSUME || JPWL_ASSUME)
|
|
return OPJ_FALSE;
|
|
};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#else
|
|
(void)j2k;
|
|
(void)tcd;
|
|
(void)tileno;
|
|
#endif
|
|
|
|
return OPJ_TRUE;
|
|
}
|
|
|
|
/*@}*/
|
|
|
|
#endif /* USE_JPWL */
|
|
|
|
|
|
#ifdef USE_JPSEC
|
|
|
|
/** @defgroup JPSEC JPSEC - JPEG-2000 Part 8 (JPSEC) codestream manager */
|
|
/*@{*/
|
|
|
|
|
|
/** @name Local static functions */
|
|
/*@{*/
|
|
|
|
void j2k_read_sec(opj_j2k_t *j2k) {
|
|
unsigned short int Lsec;
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
/* Simply read the SEC length */
|
|
Lsec = cio_read(cio, 2);
|
|
|
|
/* Now we write them to screen */
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"SEC(%d)\n",
|
|
cio_tell(cio) - 2
|
|
);
|
|
|
|
cio_skip(cio, Lsec - 2);
|
|
}
|
|
|
|
void j2k_write_sec(opj_j2k_t *j2k) {
|
|
unsigned short int Lsec = 24;
|
|
int i;
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
cio_write(cio, J2K_MS_SEC, 2); /* SEC */
|
|
cio_write(cio, Lsec, 2);
|
|
|
|
/* write dummy data */
|
|
for (i = 0; i < Lsec - 2; i++)
|
|
cio_write(cio, 0, 1);
|
|
}
|
|
|
|
void j2k_read_insec(opj_j2k_t *j2k) {
|
|
unsigned short int Linsec;
|
|
|
|
opj_cio_t *cio = j2k->cio;
|
|
|
|
/* Simply read the INSEC length */
|
|
Linsec = cio_read(cio, 2);
|
|
|
|
/* Now we write them to screen */
|
|
opj_event_msg(j2k->cinfo, EVT_INFO,
|
|
"INSEC(%d)\n",
|
|
cio_tell(cio) - 2
|
|
);
|
|
|
|
cio_skip(cio, Linsec - 2);
|
|
}
|
|
|
|
|
|
/*@}*/
|
|
|
|
/*@}*/
|
|
|
|
#endif /* USE_JPSEC */
|
|
|