mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
436 lines
11 KiB
436 lines
11 KiB
/* |
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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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/* __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_encode(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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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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char buf[4096]; |
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uint_fast32_t overhead; |
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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_malloc(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_malloc(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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/* |
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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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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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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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