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