482 lines
14 KiB
C
482 lines
14 KiB
C
/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2003 Michael David Adams.
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* All rights reserved.
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*/
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/*
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* Modified by Andrey Kiselev <dron@remotesensing.org> to handle UUID
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* box properly.
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*/
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/* __START_OF_JASPER_LICENSE__
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*
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* JasPer License Version 2.0
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*
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* Copyright (c) 2001-2006 Michael David Adams
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* Copyright (c) 1999-2000 Image Power, Inc.
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* Copyright (c) 1999-2000 The University of British Columbia
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*
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person (the
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* "User") obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* 1. The above copyright notices and this permission notice (which
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* includes the disclaimer below) shall be included in all copies or
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* substantial portions of the Software.
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*
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* 2. The name of a copyright holder shall not be used to endorse or
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* promote products derived from the Software without specific prior
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* written permission.
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*
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
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* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
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* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
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* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
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* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
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* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
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* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
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* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
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* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
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* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
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* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
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* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
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* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
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* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
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* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
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* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
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* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
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*
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* __END_OF_JASPER_LICENSE__
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*/
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/*
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* JP2 Library
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*
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* $Id: jp2_enc.c,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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*/
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include <assert.h>
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#include "jasper/jas_malloc.h"
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#include "jasper/jas_image.h"
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#include "jasper/jas_stream.h"
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#include "jasper/jas_cm.h"
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#include "jasper/jas_icc.h"
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#include "jp2_cod.h"
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static uint_fast32_t jp2_gettypeasoc(int colorspace, int ctype);
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static int clrspctojp2(jas_clrspc_t clrspc);
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/******************************************************************************\
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* Functions.
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\******************************************************************************/
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int jp2_write_header(jas_image_t *image, jas_stream_t *out)
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{
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jp2_box_t *box;
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jp2_ftyp_t *ftyp;
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jp2_ihdr_t *ihdr;
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jas_stream_t *tmpstream;
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int allcmptssame;
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jp2_bpcc_t *bpcc;
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long len;
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uint_fast16_t cmptno;
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jp2_colr_t *colr;
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jp2_cdefchan_t *cdefchanent;
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jp2_cdef_t *cdef;
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int i;
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uint_fast32_t typeasoc;
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jas_iccprof_t *iccprof;
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jas_stream_t *iccstream;
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int pos;
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int needcdef;
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int prec;
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int sgnd;
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box = 0;
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tmpstream = 0;
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allcmptssame = 1;
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sgnd = jas_image_cmptsgnd(image, 0);
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prec = jas_image_cmptprec(image, 0);
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for (i = 1; i < jas_image_numcmpts(image); ++i) {
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if (jas_image_cmptsgnd(image, i) != sgnd ||
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jas_image_cmptprec(image, i) != prec) {
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allcmptssame = 0;
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break;
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}
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}
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/* Output the signature box. */
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if (!(box = jp2_box_create(JP2_BOX_JP))) {
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goto error;
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}
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box->data.jp.magic = JP2_JP_MAGIC;
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if (jp2_box_put(box, out)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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/* Output the file type box. */
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if (!(box = jp2_box_create(JP2_BOX_FTYP))) {
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goto error;
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}
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ftyp = &box->data.ftyp;
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ftyp->majver = JP2_FTYP_MAJVER;
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ftyp->minver = JP2_FTYP_MINVER;
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ftyp->numcompatcodes = 1;
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ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE;
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if (jp2_box_put(box, out)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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/*
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* Generate the data portion of the JP2 header box.
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* We cannot simply output the header for this box
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* since we do not yet know the correct value for the length
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* field.
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*/
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if (!(tmpstream = jas_stream_memopen(0, 0))) {
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goto error;
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}
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/* Generate image header box. */
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if (!(box = jp2_box_create(JP2_BOX_IHDR))) {
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goto error;
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}
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ihdr = &box->data.ihdr;
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ihdr->width = jas_image_width(image);
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ihdr->height = jas_image_height(image);
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ihdr->numcmpts = jas_image_numcmpts(image);
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ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0),
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jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL;
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ihdr->comptype = JP2_IHDR_COMPTYPE;
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ihdr->csunk = 0;
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ihdr->ipr = 0;
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if (jp2_box_put(box, tmpstream)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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/* Generate bits per component box. */
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if (!allcmptssame) {
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if (!(box = jp2_box_create(JP2_BOX_BPCC))) {
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goto error;
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}
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bpcc = &box->data.bpcc;
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bpcc->numcmpts = jas_image_numcmpts(image);
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if (!(bpcc->bpcs = jas_alloc2(bpcc->numcmpts,
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sizeof(uint_fast8_t)))) {
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goto error;
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}
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for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) {
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bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image,
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cmptno), jas_image_cmptprec(image, cmptno));
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}
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if (jp2_box_put(box, tmpstream)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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}
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/* Generate color specification box. */
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if (!(box = jp2_box_create(JP2_BOX_COLR))) {
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goto error;
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}
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colr = &box->data.colr;
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switch (jas_image_clrspc(image)) {
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case JAS_CLRSPC_SRGB:
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case JAS_CLRSPC_SYCBCR:
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case JAS_CLRSPC_SGRAY:
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colr->method = JP2_COLR_ENUM;
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colr->csid = clrspctojp2(jas_image_clrspc(image));
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colr->pri = JP2_COLR_PRI;
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colr->approx = 0;
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break;
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default:
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colr->method = JP2_COLR_ICC;
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colr->pri = JP2_COLR_PRI;
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colr->approx = 0;
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iccprof = jas_iccprof_createfromcmprof(jas_image_cmprof(image));
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assert(iccprof);
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iccstream = jas_stream_memopen(0, 0);
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assert(iccstream);
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if (jas_iccprof_save(iccprof, iccstream))
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abort();
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if ((pos = jas_stream_tell(iccstream)) < 0)
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abort();
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colr->iccplen = pos;
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colr->iccp = jas_malloc(pos);
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assert(colr->iccp);
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jas_stream_rewind(iccstream);
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if (jas_stream_read(iccstream, colr->iccp, colr->iccplen) != colr->iccplen)
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abort();
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jas_stream_close(iccstream);
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jas_iccprof_destroy(iccprof);
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break;
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}
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if (jp2_box_put(box, tmpstream)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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needcdef = 1;
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switch (jas_clrspc_fam(jas_image_clrspc(image))) {
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case JAS_CLRSPC_FAM_RGB:
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if (jas_image_cmpttype(image, 0) ==
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JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R) &&
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jas_image_cmpttype(image, 1) ==
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JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G) &&
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jas_image_cmpttype(image, 2) ==
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JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B))
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needcdef = 0;
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break;
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case JAS_CLRSPC_FAM_YCBCR:
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if (jas_image_cmpttype(image, 0) ==
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JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y) &&
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jas_image_cmpttype(image, 1) ==
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JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB) &&
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jas_image_cmpttype(image, 2) ==
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JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR))
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needcdef = 0;
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break;
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case JAS_CLRSPC_FAM_GRAY:
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if (jas_image_cmpttype(image, 0) ==
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JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y))
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needcdef = 0;
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break;
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default:
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abort();
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break;
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}
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if (needcdef) {
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if (!(box = jp2_box_create(JP2_BOX_CDEF))) {
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goto error;
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}
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cdef = &box->data.cdef;
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cdef->numchans = jas_image_numcmpts(image);
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cdef->ents = jas_alloc2(cdef->numchans, sizeof(jp2_cdefchan_t));
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for (i = 0; i < jas_image_numcmpts(image); ++i) {
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cdefchanent = &cdef->ents[i];
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cdefchanent->channo = i;
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typeasoc = jp2_gettypeasoc(jas_image_clrspc(image), jas_image_cmpttype(image, i));
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cdefchanent->type = typeasoc >> 16;
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cdefchanent->assoc = typeasoc & 0x7fff;
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}
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if (jp2_box_put(box, tmpstream)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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}
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/* Determine the total length of the JP2 header box. */
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len = jas_stream_tell(tmpstream);
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jas_stream_rewind(tmpstream);
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/*
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* Output the JP2 header box and all of the boxes which it contains.
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*/
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if (!(box = jp2_box_create(JP2_BOX_JP2H))) {
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goto error;
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}
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box->len = len + JP2_BOX_HDRLEN(false);
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if (jp2_box_put(box, out)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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if (jas_stream_copy(out, tmpstream, len)) {
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goto error;
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}
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jas_stream_close(tmpstream);
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tmpstream = 0;
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return 0;
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abort();
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error:
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if (box) {
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jp2_box_destroy(box);
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}
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if (tmpstream) {
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jas_stream_close(tmpstream);
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}
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return -1;
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}
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int jp2_write_codestream(jas_image_t *image, jas_stream_t *out, char *optstr)
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{
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jp2_box_t *box;
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char buf[4096];
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uint_fast32_t overhead;
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/*
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* Output the contiguous code stream box.
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*/
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if (!(box = jp2_box_create(JP2_BOX_JP2C))) {
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goto error;
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}
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box->len = 0;
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if (jp2_box_put(box, out)) {
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goto error;
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}
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jp2_box_destroy(box);
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box = 0;
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/* Output the JPEG-2000 code stream. */
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overhead = jas_stream_getrwcount(out);
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sprintf(buf, "%s\n_jp2overhead=%lu\n", (optstr ? optstr : ""),
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(unsigned long) overhead);
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if (jpc_encode(image, out, buf)) {
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goto error;
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}
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return 0;
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abort();
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error:
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if (box) {
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jp2_box_destroy(box);
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}
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return -1;
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}
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int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr)
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{
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if (jp2_write_header(image, out) < 0)
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return -1;
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if (jp2_write_codestream(image, out, optstr) < 0)
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return -1;
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return 0;
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}
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int jp2_encode_uuid(jas_image_t *image, jas_stream_t *out,
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char *optstr, jp2_box_t *uuid)
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{
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if (jp2_write_header(image, out) < 0)
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return -1;
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if (uuid) {
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if (jp2_box_put(uuid, out))
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return -1;
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}
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if (jp2_write_codestream(image, out, optstr) < 0)
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return -1;
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return 0;
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}
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static uint_fast32_t jp2_gettypeasoc(int colorspace, int ctype)
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{
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int type;
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int asoc;
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if (ctype & JAS_IMAGE_CT_OPACITY) {
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type = JP2_CDEF_TYPE_OPACITY;
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asoc = JP2_CDEF_ASOC_ALL;
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goto done;
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}
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type = JP2_CDEF_TYPE_UNSPEC;
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asoc = JP2_CDEF_ASOC_NONE;
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switch (jas_clrspc_fam(colorspace)) {
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case JAS_CLRSPC_FAM_RGB:
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switch (JAS_IMAGE_CT_COLOR(ctype)) {
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case JAS_IMAGE_CT_RGB_R:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_RGB_R;
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break;
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case JAS_IMAGE_CT_RGB_G:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_RGB_G;
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break;
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case JAS_IMAGE_CT_RGB_B:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_RGB_B;
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break;
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}
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break;
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case JAS_CLRSPC_FAM_YCBCR:
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switch (JAS_IMAGE_CT_COLOR(ctype)) {
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case JAS_IMAGE_CT_YCBCR_Y:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_YCBCR_Y;
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break;
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case JAS_IMAGE_CT_YCBCR_CB:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_YCBCR_CB;
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break;
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case JAS_IMAGE_CT_YCBCR_CR:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_YCBCR_CR;
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break;
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}
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break;
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case JAS_CLRSPC_FAM_GRAY:
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type = JP2_CDEF_TYPE_COLOR;
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asoc = JP2_CDEF_GRAY_Y;
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break;
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}
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done:
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return (type << 16) | asoc;
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}
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static int clrspctojp2(jas_clrspc_t clrspc)
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{
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switch (clrspc) {
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case JAS_CLRSPC_SRGB:
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return JP2_COLR_SRGB;
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case JAS_CLRSPC_SYCBCR:
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return JP2_COLR_SYCC;
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case JAS_CLRSPC_SGRAY:
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return JP2_COLR_SGRAY;
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default:
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abort();
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break;
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}
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}
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