WebSVN - AndroidProjects - Rev 244 - /tools/osframework/source/ImageLib/jpeg2000/jpc

/*
* Copyright (c) 1999-2000 Image Power, Inc. and the University of
* British Columbia.
* Copyright (c) 2001-2002 Michael David Adams.
* All rights reserved.
*/

/* __START_OF_JASPER_LICENSE__
*
* JasPer Software License
*
* IMAGE POWER JPEG-2000 PUBLIC LICENSE
* ************************************
*
* GRANT:
*
* Permission is hereby granted, free of charge, to any person (the "User")
* obtaining a copy of this software and associated documentation, to deal
* in the JasPer Software without restriction, including without limitation
* the right to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the JasPer Software (in source and binary forms),
* and to permit persons to whom the JasPer Software is furnished to do so,
* provided further that the License Conditions below are met.
*
* License Conditions
* ******************
*
* A. Redistributions of source code must retain the above copyright notice,
* and this list of conditions, and the following disclaimer.
*
* B. Redistributions in binary form must reproduce the above copyright
* notice, and this list of conditions, and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* C. Neither the name of Image Power, Inc. nor any other contributor
* (including, but not limited to, the University of British Columbia and
* Michael David Adams) may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* D. User agrees that it shall not commence any action against Image Power,
* Inc., the University of British Columbia, Michael David Adams, or any
* other contributors (collectively "Licensors") for infringement of any
* intellectual property rights ("IPR") held by the User in respect of any
* technology that User owns or has a right to license or sublicense and
* which is an element required in order to claim compliance with ISO/IEC
* 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property
* rights worldwide arising under statutory or common law, and whether
* or not perfected, including, without limitation, all (i) patents and
* patent applications owned or licensable by User; (ii) rights associated
* with works of authorship including copyrights, copyright applications,
* copyright registrations, mask work rights, mask work applications,
* mask work registrations; (iii) rights relating to the protection of
* trade secrets and confidential information; (iv) any right analogous
* to those set forth in subsections (i), (ii), or (iii) and any other
* proprietary rights relating to intangible property (other than trademark,
* trade dress, or service mark rights); and (v) divisions, continuations,
* renewals, reissues and extensions of the foregoing (as and to the extent
* applicable) now existing, hereafter filed, issued or acquired.
*
* E. If User commences an infringement action against any Licensor(s) then
* such Licensor(s) shall have the right to terminate User's license and
* all sublicenses that have been granted hereunder by User to other parties.
*
* F. This software is for use only in hardware or software products that
* are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license
* or right to this Software is granted for products that do not comply
* with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased
* from the ISO.
*
* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
* THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND
* CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY
* OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION,
* WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE,
* IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING
* TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE
* OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING
* PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS.
* THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE
* IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY
* OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY
* OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING,
* REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY,
* WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE
* INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC.,
* MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE
* JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO
* THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION,
* DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
* MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF
* SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY
* OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT
* FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR
* RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING
* FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES,
* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT
* LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
* JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY
* TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE
* ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS
* OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT
* KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING
* TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS
* CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE
* NOTICE SPECIFIED IN THIS SECTION.
*
* __END_OF_JASPER_LICENSE__
*/

/*
* JPEG-2000 Code Stream Library
*
* $Id: jpc_cs.c,v 1.1 2003/05/15 01:30:32 ace Exp $
*/

/******************************************************************************\
* Includes.
\******************************************************************************/

#include <stdlib.h>
#include <assert.h>
#include <ctype.h>

#include "jas_malloc.h"
#include "jas_debug.h"

#include "jpc_cs.h"

/******************************************************************************\
* Types.
\******************************************************************************/

/* Marker segment table entry. */
typedef struct {
int id;
char *name;
jpc_msops_t ops;
} jpc_mstabent_t;

/******************************************************************************\
* Local prototypes.
\******************************************************************************/

static jpc_mstabent_t *jpc_mstab_lookup(int id);

static int jpc_poc_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_poc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_poc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static void jpc_poc_destroyparms(jpc_ms_t *ms);

static int jpc_unk_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_sot_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_siz_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_cod_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_coc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_qcd_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_qcc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_rgn_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_sop_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_ppm_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_ppt_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_crg_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
static int jpc_com_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);

static int jpc_sot_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_siz_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_cod_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_coc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_qcd_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_qcc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_rgn_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_unk_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_sop_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_ppm_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_ppt_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_crg_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
static int jpc_com_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);

static int jpc_sot_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_siz_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_cod_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_coc_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_qcd_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_qcc_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_rgn_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_unk_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_sop_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_ppm_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_ppt_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_crg_dumpparms(jpc_ms_t *ms, FILE *out);
static int jpc_com_dumpparms(jpc_ms_t *ms, FILE *out);

static void jpc_siz_destroyparms(jpc_ms_t *ms);
static void jpc_qcd_destroyparms(jpc_ms_t *ms);
static void jpc_qcc_destroyparms(jpc_ms_t *ms);
static void jpc_cod_destroyparms(jpc_ms_t *ms);
static void jpc_coc_destroyparms(jpc_ms_t *ms);
static void jpc_unk_destroyparms(jpc_ms_t *ms);
static void jpc_ppm_destroyparms(jpc_ms_t *ms);
static void jpc_ppt_destroyparms(jpc_ms_t *ms);
static void jpc_crg_destroyparms(jpc_ms_t *ms);
static void jpc_com_destroyparms(jpc_ms_t *ms);

static void jpc_qcx_destroycompparms(jpc_qcxcp_t *compparms);
static int jpc_qcx_getcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate,
jas_stream_t *in, uint_fast16_t len);
static int jpc_qcx_putcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate,
jas_stream_t *out);
static void jpc_cox_destroycompparms(jpc_coxcp_t *compparms);
static int jpc_cox_getcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
jas_stream_t *in, int prtflag, jpc_coxcp_t *compparms);
static int jpc_cox_putcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
jas_stream_t *out, int prtflag, jpc_coxcp_t *compparms);

/******************************************************************************\
* Global data.
\******************************************************************************/

static jpc_mstabent_t jpc_mstab[] = {
{JPC_MS_SOC, "SOC", {0, 0, 0, 0}},
{JPC_MS_SOT, "SOT", {0, jpc_sot_getparms, jpc_sot_putparms,
jpc_sot_dumpparms}},
{JPC_MS_SOD, "SOD", {0, 0, 0, 0}},
{JPC_MS_EOC, "EOC", {0, 0, 0, 0}},
{JPC_MS_SIZ, "SIZ", {jpc_siz_destroyparms, jpc_siz_getparms,
jpc_siz_putparms, jpc_siz_dumpparms}},
{JPC_MS_COD, "COD", {jpc_cod_destroyparms, jpc_cod_getparms,
jpc_cod_putparms, jpc_cod_dumpparms}},
{JPC_MS_COC, "COC", {jpc_coc_destroyparms, jpc_coc_getparms,
jpc_coc_putparms, jpc_coc_dumpparms}},
{JPC_MS_RGN, "RGN", {0, jpc_rgn_getparms, jpc_rgn_putparms,
jpc_rgn_dumpparms}},
{JPC_MS_QCD, "QCD", {jpc_qcd_destroyparms, jpc_qcd_getparms,
jpc_qcd_putparms, jpc_qcd_dumpparms}},
{JPC_MS_QCC, "QCC", {jpc_qcc_destroyparms, jpc_qcc_getparms,
jpc_qcc_putparms, jpc_qcc_dumpparms}},
{JPC_MS_POC, "POC", {jpc_poc_destroyparms, jpc_poc_getparms,
jpc_poc_putparms, jpc_poc_dumpparms}},
{JPC_MS_TLM, "TLM", {0, jpc_unk_getparms, jpc_unk_putparms, 0}},
{JPC_MS_PLM, "PLM", {0, jpc_unk_getparms, jpc_unk_putparms, 0}},
{JPC_MS_PPM, "PPM", {jpc_ppm_destroyparms, jpc_ppm_getparms,
jpc_ppm_putparms, jpc_ppm_dumpparms}},
{JPC_MS_PPT, "PPT", {jpc_ppt_destroyparms, jpc_ppt_getparms,
jpc_ppt_putparms, jpc_ppt_dumpparms}},
{JPC_MS_SOP, "SOP", {0, jpc_sop_getparms, jpc_sop_putparms,
jpc_sop_dumpparms}},
{JPC_MS_EPH, "EPH", {0, 0, 0, 0}},
{JPC_MS_CRG, "CRG", {0, jpc_crg_getparms, jpc_crg_putparms,
jpc_crg_dumpparms}},
{JPC_MS_COM, "COM", {jpc_com_destroyparms, jpc_com_getparms,
jpc_com_putparms, jpc_com_dumpparms}},
{-1, "UNKNOWN", {jpc_unk_destroyparms, jpc_unk_getparms,
jpc_unk_putparms, jpc_unk_dumpparms}}
};

/******************************************************************************\
* Code stream manipulation functions.
\******************************************************************************/

/* Create a code stream state object. */
jpc_cstate_t *jpc_cstate_create()
{
jpc_cstate_t *cstate;
if (!(cstate = jas_malloc(sizeof(jpc_cstate_t)))) {
return 0;
}
cstate->numcomps = 0;
return cstate;
}

/* Destroy a code stream state object. */
void jpc_cstate_destroy(jpc_cstate_t *cstate)
{
jas_free(cstate);
}

/* Read a marker segment from a stream. */
jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate)
{
jpc_ms_t *ms;
jpc_mstabent_t *mstabent;
jas_stream_t *tmpstream;

if (!(ms = jpc_ms_create(0))) {
return 0;
}

/* Get the marker type. */
if (jpc_getuint16(in, &ms->id) || ms->id < JPC_MS_MIN ||
ms->id > JPC_MS_MAX) {
jpc_ms_destroy(ms);
return 0;
}

mstabent = jpc_mstab_lookup(ms->id);
ms->ops = &mstabent->ops;

/* Get the marker segment length and parameters if present. */
/* Note: It is tacitly assumed that a marker segment cannot have
parameters unless it has a length field. That is, there cannot
be a parameters field without a length field and vice versa. */
if (JPC_MS_HASPARMS(ms->id)) {
/* Get the length of the marker segment. */
if (jpc_getuint16(in, &ms->len) || ms->len < 3) {
jpc_ms_destroy(ms);
return 0;
}
/* Calculate the length of the marker segment parameters. */
ms->len -= 2;
/* Create and prepare a temporary memory stream from which to
read the marker segment parameters. */
/* Note: This approach provides a simple way of ensuring that
we never read beyond the end of the marker segment (even if
the marker segment length is errantly set too small). */
if (!(tmpstream = jas_stream_memopen(0, 0))) {
jpc_ms_destroy(ms);
return 0;
}
if (jas_stream_copy(tmpstream, in, ms->len) ||
jas_stream_seek(tmpstream, 0, SEEK_SET) < 0) {
jas_stream_close(tmpstream);
jpc_ms_destroy(ms);
return 0;
}
/* Get the marker segment parameters. */
if ((*ms->ops->getparms)(ms, cstate, tmpstream)) {
ms->ops = 0;
jpc_ms_destroy(ms);
jas_stream_close(tmpstream);
return 0;
}

if (jas_getdbglevel() > 0) {
jpc_ms_dump(ms, stderr);
}

if (JAS_CAST(ulong, jas_stream_tell(tmpstream)) != ms->len) {
fprintf(stderr,
"warning: trailing garbage in marker segment (%ld bytes)\n",
ms->len - jas_stream_tell(tmpstream));
}

/* Close the temporary stream. */
jas_stream_close(tmpstream);

} else {
/* There are no marker segment parameters. */
ms->len = 0;

if (jas_getdbglevel() > 0) {
jpc_ms_dump(ms, stderr);
}
}

/* Update the code stream state information based on the type of
marker segment read. */
/* Note: This is a bit of a hack, but I'm not going to define another
type of virtual function for this one special case. */
if (ms->id == JPC_MS_SIZ) {
cstate->numcomps = ms->parms.siz.numcomps;
}

return ms;
}

/* Write a marker segment to a stream. */
int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms)
{
jas_stream_t *tmpstream;
int len;

/* Output the marker segment type. */
if (jpc_putuint16(out, ms->id)) {
return -1;
}

/* Output the marker segment length and parameters if necessary. */
if (ms->ops->putparms) {
/* Create a temporary stream in which to buffer the
parameter data. */
if (!(tmpstream = jas_stream_memopen(0, 0))) {
return -1;
}
if ((*ms->ops->putparms)(ms, cstate, tmpstream)) {
jas_stream_close(tmpstream);
return -1;
}
/* Get the number of bytes of parameter data written. */
if ((len = jas_stream_tell(tmpstream)) < 0) {
jas_stream_close(tmpstream);
return -1;
}
ms->len = len;
/* Write the marker segment length and parameter data to
the output stream. */
if (jas_stream_seek(tmpstream, 0, SEEK_SET) < 0 ||
jpc_putuint16(out, ms->len + 2) ||
jas_stream_copy(out, tmpstream, ms->len) < 0) {
jas_stream_close(tmpstream);
return -1;
}
/* Close the temporary stream. */
jas_stream_close(tmpstream);
}

/* This is a bit of a hack, but I'm not going to define another
type of virtual function for this one special case. */
if (ms->id == JPC_MS_SIZ) {
cstate->numcomps = ms->parms.siz.numcomps;
}

if (jas_getdbglevel() > 0) {
jpc_ms_dump(ms, stderr);
}

return 0;
}

/******************************************************************************\
* Marker segment operations.
\******************************************************************************/

/* Create a marker segment of the specified type. */
jpc_ms_t *jpc_ms_create(int type)
{
jpc_ms_t *ms;
jpc_mstabent_t *mstabent;

if (!(ms = jas_malloc(sizeof(jpc_ms_t)))) {
return 0;
}
ms->id = type;
ms->len = 0;
mstabent = jpc_mstab_lookup(ms->id);
ms->ops = &mstabent->ops;
memset(&ms->parms, 0, sizeof(jpc_msparms_t));
return ms;
}

/* Destroy a marker segment. */
void jpc_ms_destroy(jpc_ms_t *ms)
{
if (ms->ops && ms->ops->destroyparms) {
(*ms->ops->destroyparms)(ms);
}
jas_free(ms);
}

/* Dump a marker segment to a stream for debugging. */
void jpc_ms_dump(jpc_ms_t *ms, FILE *out)
{
jpc_mstabent_t *mstabent;
mstabent = jpc_mstab_lookup(ms->id);
fprintf(out, "type = 0x%04x (%s);", ms->id, mstabent->name);
if (JPC_MS_HASPARMS(ms->id)) {
fprintf(out, " len = %d;", ms->len + 2);
if (ms->ops->dumpparms) {
(*ms->ops->dumpparms)(ms, out);
} else {
fprintf(out, "\n");
}
} else {
fprintf(out, "\n");
}
}

/******************************************************************************\
* SOT marker segment operations.
\******************************************************************************/

static int jpc_sot_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_sot_t *sot = &ms->parms.sot;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (jpc_getuint16(in, &sot->tileno) ||
jpc_getuint32(in, &sot->len) ||
jpc_getuint8(in, &sot->partno) ||
jpc_getuint8(in, &sot->numparts)) {
return -1;
}
if (jas_stream_eof(in)) {
return -1;
}
return 0;
}

static int jpc_sot_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_sot_t *sot = &ms->parms.sot;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (jpc_putuint16(out, sot->tileno) ||
jpc_putuint32(out, sot->len) ||
jpc_putuint8(out, sot->partno) ||
jpc_putuint8(out, sot->numparts)) {
return -1;
}
return 0;
}

static int jpc_sot_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_sot_t *sot = &ms->parms.sot;
fprintf(out, "tileno = %d; len = %d; partno = %d; numparts = %d\n",
sot->tileno, sot->len, sot->partno, sot->numparts);
return 0;
}

/******************************************************************************\
* SIZ marker segment operations.
\******************************************************************************/

static void jpc_siz_destroyparms(jpc_ms_t *ms)
{
jpc_siz_t *siz = &ms->parms.siz;
if (siz->comps) {
jas_free(siz->comps);
}
}

static int jpc_siz_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
jas_stream_t *in)
{
jpc_siz_t *siz = &ms->parms.siz;
unsigned int i;
uint_fast8_t tmp;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (jpc_getuint16(in, &siz->caps) ||
jpc_getuint32(in, &siz->width) ||
jpc_getuint32(in, &siz->height) ||
jpc_getuint32(in, &siz->xoff) ||
jpc_getuint32(in, &siz->yoff) ||
jpc_getuint32(in, &siz->tilewidth) ||
jpc_getuint32(in, &siz->tileheight) ||
jpc_getuint32(in, &siz->tilexoff) ||
jpc_getuint32(in, &siz->tileyoff) ||
jpc_getuint16(in, &siz->numcomps)) {
return -1;
}
if (!siz->width || !siz->height || !siz->tilewidth ||
!siz->tileheight || !siz->numcomps) {
return -1;
}
if (!(siz->comps = jas_malloc(siz->numcomps * sizeof(jpc_sizcomp_t)))) {
return -1;
}
for (i = 0; i < siz->numcomps; ++i) {
if (jpc_getuint8(in, &tmp) ||
jpc_getuint8(in, &siz->comps[i].hsamp) ||
jpc_getuint8(in, &siz->comps[i].vsamp)) {
jas_free(siz->comps);
return -1;
}
siz->comps[i].sgnd = (tmp >> 7) & 1;
siz->comps[i].prec = (tmp & 0x7f) + 1;
}
if (jas_stream_eof(in)) {
jas_free(siz->comps);
return -1;
}
return 0;
}

static int jpc_siz_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_siz_t *siz = &ms->parms.siz;
unsigned int i;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

assert(siz->width && siz->height && siz->tilewidth &&
siz->tileheight && siz->numcomps);
if (jpc_putuint16(out, siz->caps) ||
jpc_putuint32(out, siz->width) ||
jpc_putuint32(out, siz->height) ||
jpc_putuint32(out, siz->xoff) ||
jpc_putuint32(out, siz->yoff) ||
jpc_putuint32(out, siz->tilewidth) ||
jpc_putuint32(out, siz->tileheight) ||
jpc_putuint32(out, siz->tilexoff) ||
jpc_putuint32(out, siz->tileyoff) ||
jpc_putuint16(out, siz->numcomps)) {
return -1;
}
for (i = 0; i < siz->numcomps; ++i) {
if (jpc_putuint8(out, ((siz->comps[i].sgnd & 1) << 7) |
((siz->comps[i].prec - 1) & 0x7f)) ||
jpc_putuint8(out, siz->comps[i].hsamp) ||
jpc_putuint8(out, siz->comps[i].vsamp)) {
return -1;
}
}
return 0;
}

static int jpc_siz_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_siz_t *siz = &ms->parms.siz;
unsigned int i;
fprintf(out, "caps = 0x%02x;\n", siz->caps);
fprintf(out, "width = %d; height = %d; xoff = %d; yoff = %d;\n",
siz->width, siz->height, siz->xoff, siz->yoff);
fprintf(out, "tilewidth = %d; tileheight = %d; tilexoff = %d; "
"tileyoff = %d;\n", siz->tilewidth, siz->tileheight, siz->tilexoff,
siz->tileyoff);
for (i = 0; i < siz->numcomps; ++i) {
fprintf(out, "prec[%d] = %d; sgnd[%d] = %d; hsamp[%d] = %d; "
"vsamp[%d] = %d\n", i, siz->comps[i].prec, i,
siz->comps[i].sgnd, i, siz->comps[i].hsamp, i,
siz->comps[i].vsamp);
}
return 0;
}

/******************************************************************************\
* COD marker segment operations.
\******************************************************************************/

static void jpc_cod_destroyparms(jpc_ms_t *ms)
{
jpc_cod_t *cod = &ms->parms.cod;
jpc_cox_destroycompparms(&cod->compparms);
}

static int jpc_cod_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_cod_t *cod = &ms->parms.cod;
if (jpc_getuint8(in, &cod->csty)) {
return -1;
}
if (jpc_getuint8(in, &cod->prg) ||
jpc_getuint16(in, &cod->numlyrs) ||
jpc_getuint8(in, &cod->mctrans)) {
return -1;
}
if (jpc_cox_getcompparms(ms, cstate, in,
(cod->csty & JPC_COX_PRT) != 0, &cod->compparms)) {
return -1;
}
if (jas_stream_eof(in)) {
jpc_cod_destroyparms(ms);
return -1;
}
return 0;
}

static int jpc_cod_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_cod_t *cod = &ms->parms.cod;
assert(cod->numlyrs > 0 && cod->compparms.numdlvls <= 32);
assert(cod->compparms.numdlvls == cod->compparms.numrlvls - 1);
if (jpc_putuint8(out, cod->compparms.csty) ||
jpc_putuint8(out, cod->prg) ||
jpc_putuint16(out, cod->numlyrs) ||
jpc_putuint8(out, cod->mctrans)) {
return -1;
}
if (jpc_cox_putcompparms(ms, cstate, out,
(cod->csty & JPC_COX_PRT) != 0, &cod->compparms)) {
return -1;
}
return 0;
}

static int jpc_cod_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_cod_t *cod = &ms->parms.cod;
int i;
fprintf(out, "csty = 0x%02x;\n", cod->compparms.csty);
fprintf(out, "numdlvls = %d; qmfbid = %d; mctrans = %d\n",
cod->compparms.numdlvls, cod->compparms.qmfbid, cod->mctrans);
fprintf(out, "prg = %d; numlyrs = %d;\n",
cod->prg, cod->numlyrs);
fprintf(out, "cblkwidthval = %d; cblkheightval = %d; "
"cblksty = 0x%02x;\n", cod->compparms.cblkwidthval, cod->compparms.cblkheightval,
cod->compparms.cblksty);
if (cod->csty & JPC_COX_PRT) {
for (i = 0; i < cod->compparms.numrlvls; ++i) {
fprintf(stderr, "prcwidth[%d] = %d, prcheight[%d] = %d\n",
i, cod->compparms.rlvls[i].parwidthval,
i, cod->compparms.rlvls[i].parheightval);
}
}
return 0;
}

/******************************************************************************\
* COC marker segment operations.
\******************************************************************************/

static void jpc_coc_destroyparms(jpc_ms_t *ms)
{
jpc_coc_t *coc = &ms->parms.coc;
jpc_cox_destroycompparms(&coc->compparms);
}

static int jpc_coc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_coc_t *coc = &ms->parms.coc;
uint_fast8_t tmp;
if (cstate->numcomps <= 256) {
if (jpc_getuint8(in, &tmp)) {
return -1;
}
coc->compno = tmp;
} else {
if (jpc_getuint16(in, &coc->compno)) {
return -1;
}
}
if (jpc_getuint8(in, &coc->compparms.csty)) {
return -1;
}
if (jpc_cox_getcompparms(ms, cstate, in,
(coc->compparms.csty & JPC_COX_PRT) != 0, &coc->compparms)) {
return -1;
}
if (jas_stream_eof(in)) {
return -1;
}
return 0;
}

static int jpc_coc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_coc_t *coc = &ms->parms.coc;
assert(coc->compparms.numdlvls <= 32);
if (cstate->numcomps <= 256) {
if (jpc_putuint8(out, coc->compno)) {
return -1;
}
} else {
if (jpc_putuint16(out, coc->compno)) {
return -1;
}
}
if (jpc_putuint8(out, coc->compparms.csty)) {
return -1;
}
if (jpc_cox_putcompparms(ms, cstate, out,
(coc->compparms.csty & JPC_COX_PRT) != 0, &coc->compparms)) {
return -1;
}
return 0;
}

static int jpc_coc_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_coc_t *coc = &ms->parms.coc;
fprintf(out, "compno = %d; csty = 0x%02x; numdlvls = %d;\n",
coc->compno, coc->compparms.csty, coc->compparms.numdlvls);
fprintf(out, "cblkwidthval = %d; cblkheightval = %d; "
"cblksty = 0x%02x; qmfbid = %d;\n", coc->compparms.cblkwidthval,
coc->compparms.cblkheightval, coc->compparms.cblksty, coc->compparms.qmfbid);
return 0;
}
/******************************************************************************\
* COD/COC marker segment operation helper functions.
\******************************************************************************/

static void jpc_cox_destroycompparms(jpc_coxcp_t *compparms)
{
/* Eliminate compiler warning about unused variables. */
compparms = 0;
}

static int jpc_cox_getcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
jas_stream_t *in, int prtflag, jpc_coxcp_t *compparms)
{
uint_fast8_t tmp;
int i;

/* Eliminate compiler warning about unused variables. */
ms = 0;
cstate = 0;

if (jpc_getuint8(in, &compparms->numdlvls) ||
jpc_getuint8(in, &compparms->cblkwidthval) ||
jpc_getuint8(in, &compparms->cblkheightval) ||
jpc_getuint8(in, &compparms->cblksty) ||
jpc_getuint8(in, &compparms->qmfbid)) {
return -1;
}
compparms->numrlvls = compparms->numdlvls + 1;
if (prtflag) {
for (i = 0; i < compparms->numrlvls; ++i) {
if (jpc_getuint8(in, &tmp)) {
jpc_cox_destroycompparms(compparms);
return -1;
}
compparms->rlvls[i].parwidthval = tmp & 0xf;
compparms->rlvls[i].parheightval = (tmp >> 4) & 0xf;
}
/* Sigh. This bit should be in the same field in both COC and COD mrk segs. */
compparms->csty |= JPC_COX_PRT;
} else {
}
if (jas_stream_eof(in)) {
jpc_cox_destroycompparms(compparms);
return -1;
}
return 0;
}

static int jpc_cox_putcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
jas_stream_t *out, int prtflag, jpc_coxcp_t *compparms)
{
int i;
assert(compparms->numdlvls <= 32);

/* Eliminate compiler warning about unused variables. */
ms = 0;
cstate = 0;

if (jpc_putuint8(out, compparms->numdlvls) ||
jpc_putuint8(out, compparms->cblkwidthval) ||
jpc_putuint8(out, compparms->cblkheightval) ||
jpc_putuint8(out, compparms->cblksty) ||
jpc_putuint8(out, compparms->qmfbid)) {
return -1;
}
if (prtflag) {
for (i = 0; i < compparms->numrlvls; ++i) {
if (jpc_putuint8(out,
((compparms->rlvls[i].parheightval & 0xf) << 4) |
(compparms->rlvls[i].parwidthval & 0xf))) {
return -1;
}
}
}
return 0;
}

/******************************************************************************\
* RGN marker segment operations.
\******************************************************************************/

static int jpc_rgn_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_rgn_t *rgn = &ms->parms.rgn;
uint_fast8_t tmp;
if (cstate->numcomps <= 256) {
if (jpc_getuint8(in, &tmp)) {
return -1;
}
rgn->compno = tmp;
} else {
if (jpc_getuint16(in, &rgn->compno)) {
return -1;
}
}
if (jpc_getuint8(in, &rgn->roisty) ||
jpc_getuint8(in, &rgn->roishift)) {
return -1;
}
return 0;
}

static int jpc_rgn_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_rgn_t *rgn = &ms->parms.rgn;
if (cstate->numcomps <= 256) {
if (jpc_putuint8(out, rgn->compno)) {
return -1;
}
} else {
if (jpc_putuint16(out, rgn->compno)) {
return -1;
}
}
if (jpc_putuint8(out, rgn->roisty) ||
jpc_putuint8(out, rgn->roishift)) {
return -1;
}
return 0;
}

static int jpc_rgn_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_rgn_t *rgn = &ms->parms.rgn;
fprintf(out, "compno = %d; roisty = %d; roishift = %d\n",
rgn->compno, rgn->roisty, rgn->roishift);
return 0;
}

/******************************************************************************\
* QCD marker segment operations.
\******************************************************************************/

static void jpc_qcd_destroyparms(jpc_ms_t *ms)
{
jpc_qcd_t *qcd = &ms->parms.qcd;
jpc_qcx_destroycompparms(&qcd->compparms);
}

static int jpc_qcd_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_qcxcp_t *compparms = &ms->parms.qcd.compparms;
return jpc_qcx_getcompparms(compparms, cstate, in, ms->len);
}

static int jpc_qcd_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_qcxcp_t *compparms = &ms->parms.qcd.compparms;
return jpc_qcx_putcompparms(compparms, cstate, out);
}

static int jpc_qcd_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_qcd_t *qcd = &ms->parms.qcd;
int i;
fprintf(out, "qntsty = %d; numguard = %d; numstepsizes = %d\n",
(int) qcd->compparms.qntsty, qcd->compparms.numguard, qcd->compparms.numstepsizes);
for (i = 0; i < qcd->compparms.numstepsizes; ++i) {
fprintf(out, "expn[%d] = 0x%04x; mant[%d] = 0x%04x;\n",
i, (unsigned) JPC_QCX_GETEXPN(qcd->compparms.stepsizes[i]),
i, (unsigned) JPC_QCX_GETMANT(qcd->compparms.stepsizes[i]));
}
return 0;
}

/******************************************************************************\
* QCC marker segment operations.
\******************************************************************************/

static void jpc_qcc_destroyparms(jpc_ms_t *ms)
{
jpc_qcc_t *qcc = &ms->parms.qcc;
jpc_qcx_destroycompparms(&qcc->compparms);
}

static int jpc_qcc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_qcc_t *qcc = &ms->parms.qcc;
uint_fast8_t tmp;
int len;
len = ms->len;
if (cstate->numcomps <= 256) {
jpc_getuint8(in, &tmp);
qcc->compno = tmp;
--len;
} else {
jpc_getuint16(in, &qcc->compno);
len -= 2;
}
if (jpc_qcx_getcompparms(&qcc->compparms, cstate, in, len)) {
return -1;
}
if (jas_stream_eof(in)) {
jpc_qcc_destroyparms(ms);
return -1;
}
return 0;
}

static int jpc_qcc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_qcc_t *qcc = &ms->parms.qcc;
if (cstate->numcomps <= 256) {
jpc_putuint8(out, qcc->compno);
} else {
jpc_putuint16(out, qcc->compno);
}
if (jpc_qcx_putcompparms(&qcc->compparms, cstate, out)) {
return -1;
}
return 0;
}

static int jpc_qcc_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_qcc_t *qcc = &ms->parms.qcc;
int i;
fprintf(out, "compno = %d; qntsty = %d; numguard = %d; "
"numstepsizes = %d\n", qcc->compno, qcc->compparms.qntsty, qcc->compparms.numguard,
qcc->compparms.numstepsizes);
for (i = 0; i < qcc->compparms.numstepsizes; ++i) {
fprintf(out, "expn[%d] = 0x%04x; mant[%d] = 0x%04x;\n",
i, (unsigned) JPC_QCX_GETEXPN(qcc->compparms.stepsizes[i]),
i, (unsigned) JPC_QCX_GETMANT(qcc->compparms.stepsizes[i]));
}
return 0;
}

/******************************************************************************\
* QCD/QCC marker segment helper functions.
\******************************************************************************/

static void jpc_qcx_destroycompparms(jpc_qcxcp_t *compparms)
{
if (compparms->stepsizes) {
jas_free(compparms->stepsizes);
}
}

static int jpc_qcx_getcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate,
jas_stream_t *in, uint_fast16_t len)
{
uint_fast8_t tmp;
int n;
int i;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

n = 0;
jpc_getuint8(in, &tmp);
++n;
compparms->qntsty = tmp & 0x1f;
compparms->numguard = (tmp >> 5) & 7;
switch (compparms->qntsty) {
case JPC_QCX_SIQNT:
compparms->numstepsizes = 1;
break;
case JPC_QCX_NOQNT:
compparms->numstepsizes = (len - n);
break;
case JPC_QCX_SEQNT:
/* XXX - this is a hack */
compparms->numstepsizes = (len - n) / 2;
break;
}
if (compparms->numstepsizes > 0) {
compparms->stepsizes = jas_malloc(compparms->numstepsizes *
sizeof(uint_fast32_t));
assert(compparms->stepsizes);
for (i = 0; i < compparms->numstepsizes; ++i) {
if (compparms->qntsty == JPC_QCX_NOQNT) {
jpc_getuint8(in, &tmp);
compparms->stepsizes[i] = JPC_QCX_EXPN(tmp >> 3);
} else {
jpc_getuint16(in, &compparms->stepsizes[i]);
}
}
} else {
compparms->stepsizes = 0;
}
if (jas_stream_error(in) || jas_stream_eof(in)) {
jpc_qcx_destroycompparms(compparms);
return -1;
}
return 0;
}

static int jpc_qcx_putcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate,
jas_stream_t *out)
{
int i;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

jpc_putuint8(out, ((compparms->numguard & 7) << 5) | compparms->qntsty);
for (i = 0; i < compparms->numstepsizes; ++i) {
if (compparms->qntsty == JPC_QCX_NOQNT) {
jpc_putuint8(out, JPC_QCX_GETEXPN(
compparms->stepsizes[i]) << 3);
} else {
jpc_putuint16(out, compparms->stepsizes[i]);
}
}
return 0;
}

/******************************************************************************\
* SOP marker segment operations.
\******************************************************************************/

static int jpc_sop_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_sop_t *sop = &ms->parms.sop;

/* Eliminate compiler warning about unused variable. */
cstate = 0;

if (jpc_getuint16(in, &sop->seqno)) {
return -1;
}
return 0;
}

static int jpc_sop_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_sop_t *sop = &ms->parms.sop;

/* Eliminate compiler warning about unused variable. */
cstate = 0;

if (jpc_putuint16(out, sop->seqno)) {
return -1;
}
return 0;
}

static int jpc_sop_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_sop_t *sop = &ms->parms.sop;
fprintf(out, "seqno = %d;\n", sop->seqno);
return 0;
}

/******************************************************************************\
* PPM marker segment operations.
\******************************************************************************/

static void jpc_ppm_destroyparms(jpc_ms_t *ms)
{
jpc_ppm_t *ppm = &ms->parms.ppm;
if (ppm->data) {
jas_free(ppm->data);
}
}

static int jpc_ppm_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_ppm_t *ppm = &ms->parms.ppm;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

ppm->data = 0;

if (ms->len < 1) {
goto error;
}
if (jpc_getuint8(in, &ppm->ind)) {
goto error;
}

ppm->len = ms->len - 1;
if (ppm->len > 0) {
if (!(ppm->data = jas_malloc(ppm->len * sizeof(unsigned char)))) {
goto error;
}
if (JAS_CAST(uint, jas_stream_read(in, ppm->data, ppm->len)) != ppm->len) {
goto error;
}
} else {
ppm->data = 0;
}
return 0;

error:
jpc_ppm_destroyparms(ms);
return -1;
}

static int jpc_ppm_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_ppm_t *ppm = &ms->parms.ppm;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (JAS_CAST(uint, jas_stream_write(out, (char *) ppm->data, ppm->len)) != ppm->len) {
return -1;
}
return 0;
}

static int jpc_ppm_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_ppm_t *ppm = &ms->parms.ppm;
fprintf(out, "ind=%d; len = %d;\n", ppm->ind, ppm->len);
if (ppm->len > 0) {
fprintf(out, "data =\n");
jas_memdump(out, ppm->data, ppm->len);
}
return 0;
}

/******************************************************************************\
* PPT marker segment operations.
\******************************************************************************/

static void jpc_ppt_destroyparms(jpc_ms_t *ms)
{
jpc_ppt_t *ppt = &ms->parms.ppt;
if (ppt->data) {
jas_free(ppt->data);
}
}

static int jpc_ppt_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_ppt_t *ppt = &ms->parms.ppt;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

ppt->data = 0;

if (ms->len < 1) {
goto error;
}
if (jpc_getuint8(in, &ppt->ind)) {
goto error;
}
ppt->len = ms->len - 1;
if (ppt->len > 0) {
if (!(ppt->data = jas_malloc(ppt->len * sizeof(unsigned char)))) {
goto error;
}
if (jas_stream_read(in, (char *) ppt->data, ppt->len) != JAS_CAST(int, ppt->len)) {
goto error;
}
} else {
ppt->data = 0;
}
return 0;

error:
jpc_ppt_destroyparms(ms);
return -1;
}

static int jpc_ppt_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_ppt_t *ppt = &ms->parms.ppt;

/* Eliminate compiler warning about unused variable. */
cstate = 0;

if (jpc_putuint8(out, ppt->ind)) {
return -1;
}
if (jas_stream_write(out, (char *) ppt->data, ppt->len) != JAS_CAST(int, ppt->len)) {
return -1;
}
return 0;
}

static int jpc_ppt_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_ppt_t *ppt = &ms->parms.ppt;
fprintf(out, "ind=%d; len = %d;\n", ppt->ind, ppt->len);
if (ppt->len > 0) {
fprintf(out, "data =\n");
jas_memdump(out, ppt->data, ppt->len);
}
return 0;
}

/******************************************************************************\
* POC marker segment operations.
\******************************************************************************/

static void jpc_poc_destroyparms(jpc_ms_t *ms)
{
jpc_poc_t *poc = &ms->parms.poc;
if (poc->pchgs) {
jas_free(poc->pchgs);
}
}

static int jpc_poc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_poc_t *poc = &ms->parms.poc;
jpc_pocpchg_t *pchg;
int pchgno;
uint_fast8_t tmp;
poc->numpchgs = (cstate->numcomps > 256) ? (ms->len / 9) :
(ms->len / 7);
if (!(poc->pchgs = jas_malloc(poc->numpchgs * sizeof(jpc_pocpchg_t)))) {
goto error;
}
for (pchgno = 0, pchg = poc->pchgs; pchgno < poc->numpchgs; ++pchgno,
++pchg) {
if (jpc_getuint8(in, &pchg->rlvlnostart)) {
goto error;
}
if (cstate->numcomps > 256) {
if (jpc_getuint16(in, &pchg->compnostart)) {
goto error;
}
} else {
if (jpc_getuint8(in, &tmp)) {
goto error;
};
pchg->compnostart = tmp;
}
if (jpc_getuint16(in, &pchg->lyrnoend) ||
jpc_getuint8(in, &pchg->rlvlnoend)) {
goto error;
}
if (cstate->numcomps > 256) {
if (jpc_getuint16(in, &pchg->compnoend)) {
goto error;
}
} else {
if (jpc_getuint8(in, &tmp)) {
goto error;
}
pchg->compnoend = tmp;
}
if (jpc_getuint8(in, &pchg->prgord)) {
goto error;
}
if (pchg->rlvlnostart > pchg->rlvlnoend ||
pchg->compnostart > pchg->compnoend) {
goto error;
}
}
return 0;

error:
jpc_poc_destroyparms(ms);
return -1;
}

static int jpc_poc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_poc_t *poc = &ms->parms.poc;
jpc_pocpchg_t *pchg;
int pchgno;
for (pchgno = 0, pchg = poc->pchgs; pchgno < poc->numpchgs; ++pchgno,
++pchg) {
if (jpc_putuint8(out, pchg->rlvlnostart) ||
((cstate->numcomps > 256) ?
jpc_putuint16(out, pchg->compnostart) :
jpc_putuint8(out, pchg->compnostart)) ||
jpc_putuint16(out, pchg->lyrnoend) ||
jpc_putuint8(out, pchg->rlvlnoend) ||
((cstate->numcomps > 256) ?
jpc_putuint16(out, pchg->compnoend) :
jpc_putuint8(out, pchg->compnoend)) ||
jpc_putuint8(out, pchg->prgord)) {
return -1;
}
}
return 0;
}

static int jpc_poc_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_poc_t *poc = &ms->parms.poc;
jpc_pocpchg_t *pchg;
int pchgno;
for (pchgno = 0, pchg = poc->pchgs; pchgno < poc->numpchgs;
++pchgno, ++pchg) {
fprintf(out, "po[%d] = %d; ", pchgno, pchg->prgord);
fprintf(out, "cs[%d] = %d; ce[%d] = %d; ",
pchgno, pchg->compnostart, pchgno, pchg->compnoend);
fprintf(out, "rs[%d] = %d; re[%d] = %d; ",
pchgno, pchg->rlvlnostart, pchgno, pchg->rlvlnoend);
fprintf(out, "le[%d] = %d\n", pchgno, pchg->lyrnoend);
}
return 0;
}

/******************************************************************************\
* CRG marker segment operations.
\******************************************************************************/

static void jpc_crg_destroyparms(jpc_ms_t *ms)
{
jpc_crg_t *crg = &ms->parms.crg;
if (crg->comps) {
jas_free(crg->comps);
}
}

static int jpc_crg_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_crg_t *crg = &ms->parms.crg;
jpc_crgcomp_t *comp;
uint_fast16_t compno;
crg->numcomps = cstate->numcomps;
if (!(crg->comps = jas_malloc(cstate->numcomps * sizeof(uint_fast16_t)))) {
return -1;
}
for (compno = 0, comp = crg->comps; compno < cstate->numcomps;
++compno, ++comp) {
if (jpc_getuint16(in, &comp->hoff) ||
jpc_getuint16(in, &comp->voff)) {
jpc_crg_destroyparms(ms);
return -1;
}
}
return 0;
}

static int jpc_crg_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_crg_t *crg = &ms->parms.crg;
int compno;
jpc_crgcomp_t *comp;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

for (compno = 0, comp = crg->comps; compno < crg->numcomps; ++compno,
++comp) {
if (jpc_putuint16(out, comp->hoff) ||
jpc_putuint16(out, comp->voff)) {
return -1;
}
}
return 0;
}

static int jpc_crg_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_crg_t *crg = &ms->parms.crg;
int compno;
jpc_crgcomp_t *comp;
for (compno = 0, comp = crg->comps; compno < crg->numcomps; ++compno,
++comp) {
fprintf(out, "hoff[%d] = %d; voff[%d] = %d\n", compno,
comp->hoff, compno, comp->voff);
}
return 0;
}

/******************************************************************************\
* Operations for COM marker segment.
\******************************************************************************/

static void jpc_com_destroyparms(jpc_ms_t *ms)
{
jpc_com_t *com = &ms->parms.com;
if (com->data) {
jas_free(com->data);
}
}

static int jpc_com_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_com_t *com = &ms->parms.com;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (jpc_getuint16(in, &com->regid)) {
return -1;
}
com->len = ms->len - 2;
if (com->len > 0) {
if (!(com->data = jas_malloc(com->len))) {
return -1;
}
if (jas_stream_read(in, com->data, com->len) != JAS_CAST(int, com->len)) {
return -1;
}
} else {
com->data = 0;
}
return 0;
}

static int jpc_com_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
jpc_com_t *com = &ms->parms.com;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (jpc_putuint16(out, com->regid)) {
return -1;
}
if (jas_stream_write(out, com->data, com->len) != JAS_CAST(int, com->len)) {
return -1;
}
return 0;
}

static int jpc_com_dumpparms(jpc_ms_t *ms, FILE *out)
{
jpc_com_t *com = &ms->parms.com;
unsigned int i;
int printable;
fprintf(out, "regid = %d;\n", com->regid);
printable = 1;
for (i = 0; i < com->len; ++i) {
if (!isprint(com->data[i])) {
printable = 0;
break;
}
}
if (printable) {
fprintf(out, "data = ");
fwrite(com->data, sizeof(char), com->len, out);
fprintf(out, "\n");
}
return 0;
}

/******************************************************************************\
* Operations for unknown types of marker segments.
\******************************************************************************/

static void jpc_unk_destroyparms(jpc_ms_t *ms)
{
jpc_unk_t *unk = &ms->parms.unk;
if (unk->data) {
jas_free(unk->data);
}
}

static int jpc_unk_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in)
{
jpc_unk_t *unk = &ms->parms.unk;

/* Eliminate compiler warning about unused variables. */
cstate = 0;

if (ms->len > 0) {
if (!(unk->data = jas_malloc(ms->len * sizeof(unsigned char)))) {
return -1;
}
if (jas_stream_read(in, (char *) unk->data, ms->len) != JAS_CAST(int, ms->len)) {
jas_free(unk->data);
return -1;
}
unk->len = ms->len;
} else {
unk->data = 0;
unk->len = 0;
}
return 0;
}

static int jpc_unk_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out)
{
/* Eliminate compiler warning about unused variables. */
cstate = 0;
ms = 0;
out = 0;

/* If this function is called, we are trying to write an unsupported
type of marker segment. Return with an error indication. */
return -1;
}

static int jpc_unk_dumpparms(jpc_ms_t *ms, FILE *out)
{
unsigned int i;
jpc_unk_t *unk = &ms->parms.unk;
for (i = 0; i < unk->len; ++i) {
fprintf(out, "%02x ", unk->data[i]);
}
return 0;
}

/******************************************************************************\
* Primitive I/O operations.
\******************************************************************************/

int jpc_getuint8(jas_stream_t *in, uint_fast8_t *val)
{
int c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
if (val) {
*val = c;
}
return 0;
}

int jpc_putuint8(jas_stream_t *out, uint_fast8_t val)
{
if (jas_stream_putc(out, val & 0xff) == EOF) {
return -1;
}
return 0;
}

int jpc_getuint16(jas_stream_t *in, uint_fast16_t *val)
{
uint_fast16_t v;
int c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
v = c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
v = (v << 8) | c;
if (val) {
*val = v;
}
return 0;
}

int jpc_putuint16(jas_stream_t *out, uint_fast16_t val)
{
if (jas_stream_putc(out, (val >> 8) & 0xff) == EOF ||
jas_stream_putc(out, val & 0xff) == EOF) {
return -1;
}
return 0;
}

int jpc_getuint32(jas_stream_t *in, uint_fast32_t *val)
{
uint_fast32_t v;
int c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
v = c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
v = (v << 8) | c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
v = (v << 8) | c;
if ((c = jas_stream_getc(in)) == EOF) {
return -1;
}
v = (v << 8) | c;
if (val) {
*val = v;
}
return 0;
}

int jpc_putuint32(jas_stream_t *out, uint_fast32_t val)
{
if (jas_stream_putc(out, (val >> 24) & 0xff) == EOF ||
jas_stream_putc(out, (val >> 16) & 0xff) == EOF ||
jas_stream_putc(out, (val >> 8) & 0xff) == EOF ||
jas_stream_putc(out, val & 0xff) == EOF) {
return -1;
}
return 0;
}

/******************************************************************************\
* Miscellany
\******************************************************************************/

static jpc_mstabent_t *jpc_mstab_lookup(int id)
{
jpc_mstabent_t *mstabent;
for (mstabent = jpc_mstab;; ++mstabent) {
if (mstabent->id == id || mstabent->id < 0) {
return mstabent;
}
}
assert(0);
return 0;
}

int jpc_validate(jas_stream_t *in)
{
int n;
int i;
unsigned char buf[2];

assert(JAS_STREAM_MAXPUTBACK >= 2);

if ((n = jas_stream_read(in, (char *) buf, 2)) < 0) {
return -1;
}
for (i = n - 1; i >= 0; --i) {
if (jas_stream_ungetc(in, buf[i]) == EOF) {
return -1;
}
}
if (n < 2) {
return -1;
}
if (buf[0] == (JPC_MS_SOC >> 8) && buf[1] == (JPC_MS_SOC & 0xff)) {
return 0;
}
return -1;
}

int jpc_getdata(jas_stream_t *in, jas_stream_t *out, long len)
{
return jas_stream_copy(out, in, len);
}

int jpc_putdata(jas_stream_t *out, jas_stream_t *in, long len)
{
return jas_stream_copy(out, in, len);
}

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(root)/tools/osframework/source/ImageLib/jpeg2000/jpc_cs.c @ 373 - Rev 244