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1651 lines
50 KiB
C
1651 lines
50 KiB
C
/*
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of
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* British Columbia.
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* Copyright (c) 2001-2002 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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* JPEG-2000 Code Stream Library
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*
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* $Id: jpc_cs.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 <stdlib.h>
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#include <assert.h>
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#include <ctype.h>
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#include "jasper/jas_malloc.h"
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#include "jasper/jas_debug.h"
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#include "jpc_cs.h"
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/******************************************************************************\
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* Types.
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\******************************************************************************/
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/* Marker segment table entry. */
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typedef struct {
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int id;
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char *name;
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jpc_msops_t ops;
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} jpc_mstabent_t;
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/******************************************************************************\
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* Local prototypes.
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\******************************************************************************/
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static jpc_mstabent_t *jpc_mstab_lookup(int id);
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static int jpc_poc_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_poc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_poc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static void jpc_poc_destroyparms(jpc_ms_t *ms);
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static int jpc_unk_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_sot_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_siz_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_cod_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_coc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_qcd_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_qcc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_rgn_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_sop_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_ppm_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_ppt_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_crg_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_com_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in);
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static int jpc_sot_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_siz_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_cod_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_coc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_qcd_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_qcc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_rgn_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_unk_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_sop_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_ppm_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_ppt_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_crg_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_com_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out);
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static int jpc_sot_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_siz_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_cod_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_coc_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_qcd_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_qcc_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_rgn_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_unk_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_sop_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_ppm_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_ppt_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_crg_dumpparms(jpc_ms_t *ms, FILE *out);
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static int jpc_com_dumpparms(jpc_ms_t *ms, FILE *out);
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static void jpc_siz_destroyparms(jpc_ms_t *ms);
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static void jpc_qcd_destroyparms(jpc_ms_t *ms);
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static void jpc_qcc_destroyparms(jpc_ms_t *ms);
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static void jpc_cod_destroyparms(jpc_ms_t *ms);
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static void jpc_coc_destroyparms(jpc_ms_t *ms);
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static void jpc_unk_destroyparms(jpc_ms_t *ms);
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static void jpc_ppm_destroyparms(jpc_ms_t *ms);
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static void jpc_ppt_destroyparms(jpc_ms_t *ms);
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static void jpc_crg_destroyparms(jpc_ms_t *ms);
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static void jpc_com_destroyparms(jpc_ms_t *ms);
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static void jpc_qcx_destroycompparms(jpc_qcxcp_t *compparms);
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static int jpc_qcx_getcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate,
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jas_stream_t *in, uint_fast16_t len);
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static int jpc_qcx_putcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate,
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jas_stream_t *out);
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static void jpc_cox_destroycompparms(jpc_coxcp_t *compparms);
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static int jpc_cox_getcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
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jas_stream_t *in, int prtflag, jpc_coxcp_t *compparms);
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static int jpc_cox_putcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate,
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jas_stream_t *out, int prtflag, jpc_coxcp_t *compparms);
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/******************************************************************************\
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* Global data.
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\******************************************************************************/
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static jpc_mstabent_t jpc_mstab[] = {
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{JPC_MS_SOC, "SOC", {0, 0, 0, 0}},
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{JPC_MS_SOT, "SOT", {0, jpc_sot_getparms, jpc_sot_putparms,
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jpc_sot_dumpparms}},
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{JPC_MS_SOD, "SOD", {0, 0, 0, 0}},
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{JPC_MS_EOC, "EOC", {0, 0, 0, 0}},
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{JPC_MS_SIZ, "SIZ", {jpc_siz_destroyparms, jpc_siz_getparms,
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jpc_siz_putparms, jpc_siz_dumpparms}},
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{JPC_MS_COD, "COD", {jpc_cod_destroyparms, jpc_cod_getparms,
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jpc_cod_putparms, jpc_cod_dumpparms}},
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{JPC_MS_COC, "COC", {jpc_coc_destroyparms, jpc_coc_getparms,
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jpc_coc_putparms, jpc_coc_dumpparms}},
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{JPC_MS_RGN, "RGN", {0, jpc_rgn_getparms, jpc_rgn_putparms,
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jpc_rgn_dumpparms}},
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{JPC_MS_QCD, "QCD", {jpc_qcd_destroyparms, jpc_qcd_getparms,
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jpc_qcd_putparms, jpc_qcd_dumpparms}},
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{JPC_MS_QCC, "QCC", {jpc_qcc_destroyparms, jpc_qcc_getparms,
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jpc_qcc_putparms, jpc_qcc_dumpparms}},
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{JPC_MS_POC, "POC", {jpc_poc_destroyparms, jpc_poc_getparms,
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jpc_poc_putparms, jpc_poc_dumpparms}},
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{JPC_MS_TLM, "TLM", {0, jpc_unk_getparms, jpc_unk_putparms, 0}},
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{JPC_MS_PLM, "PLM", {0, jpc_unk_getparms, jpc_unk_putparms, 0}},
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{JPC_MS_PPM, "PPM", {jpc_ppm_destroyparms, jpc_ppm_getparms,
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jpc_ppm_putparms, jpc_ppm_dumpparms}},
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{JPC_MS_PPT, "PPT", {jpc_ppt_destroyparms, jpc_ppt_getparms,
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jpc_ppt_putparms, jpc_ppt_dumpparms}},
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{JPC_MS_SOP, "SOP", {0, jpc_sop_getparms, jpc_sop_putparms,
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jpc_sop_dumpparms}},
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{JPC_MS_EPH, "EPH", {0, 0, 0, 0}},
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{JPC_MS_CRG, "CRG", {0, jpc_crg_getparms, jpc_crg_putparms,
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jpc_crg_dumpparms}},
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{JPC_MS_COM, "COM", {jpc_com_destroyparms, jpc_com_getparms,
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jpc_com_putparms, jpc_com_dumpparms}},
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{-1, "UNKNOWN", {jpc_unk_destroyparms, jpc_unk_getparms,
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jpc_unk_putparms, jpc_unk_dumpparms}}
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};
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/******************************************************************************\
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* Code stream manipulation functions.
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\******************************************************************************/
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/* Create a code stream state object. */
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jpc_cstate_t *jpc_cstate_create()
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{
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jpc_cstate_t *cstate;
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if (!(cstate = jas_malloc(sizeof(jpc_cstate_t)))) {
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return 0;
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}
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cstate->numcomps = 0;
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return cstate;
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}
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/* Destroy a code stream state object. */
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void jpc_cstate_destroy(jpc_cstate_t *cstate)
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{
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jas_free(cstate);
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}
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/* Read a marker segment from a stream. */
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jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate)
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{
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jpc_ms_t *ms;
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jpc_mstabent_t *mstabent;
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jas_stream_t *tmpstream;
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if (!(ms = jpc_ms_create(0))) {
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return 0;
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}
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/* Get the marker type. */
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if (jpc_getuint16(in, &ms->id) || ms->id < JPC_MS_MIN /*|| ms->id > JPC_MS_MAX*/) {
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jpc_ms_destroy(ms);
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return 0;
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}
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mstabent = jpc_mstab_lookup(ms->id);
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ms->ops = &mstabent->ops;
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/* Get the marker segment length and parameters if present. */
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/* Note: It is tacitly assumed that a marker segment cannot have
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parameters unless it has a length field. That is, there cannot
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be a parameters field without a length field and vice versa. */
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if (JPC_MS_HASPARMS(ms->id)) {
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/* Get the length of the marker segment. */
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if (jpc_getuint16(in, &ms->len) || ms->len < 3) {
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jpc_ms_destroy(ms);
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return 0;
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}
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/* Calculate the length of the marker segment parameters. */
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ms->len -= 2;
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/* Create and prepare a temporary memory stream from which to
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read the marker segment parameters. */
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/* Note: This approach provides a simple way of ensuring that
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we never read beyond the end of the marker segment (even if
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the marker segment length is errantly set too small). */
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if (!(tmpstream = jas_stream_memopen(0, 0))) {
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jpc_ms_destroy(ms);
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return 0;
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}
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if (jas_stream_copy(tmpstream, in, ms->len) ||
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jas_stream_seek(tmpstream, 0, SEEK_SET) < 0) {
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jas_stream_close(tmpstream);
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jpc_ms_destroy(ms);
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return 0;
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}
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/* Get the marker segment parameters. */
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if ((*ms->ops->getparms)(ms, cstate, tmpstream)) {
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ms->ops = 0;
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jpc_ms_destroy(ms);
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jas_stream_close(tmpstream);
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return 0;
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}
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if (jas_getdbglevel() > 0) {
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jpc_ms_dump(ms, stderr);
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}
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if (JAS_CAST(ulong, jas_stream_tell(tmpstream)) != ms->len) {
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jas_eprintf("warning: trailing garbage in marker segment (%ld bytes)\n",
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ms->len - jas_stream_tell(tmpstream));
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}
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/* Close the temporary stream. */
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jas_stream_close(tmpstream);
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} else {
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/* There are no marker segment parameters. */
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ms->len = 0;
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if (jas_getdbglevel() > 0) {
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jpc_ms_dump(ms, stderr);
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}
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}
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/* Update the code stream state information based on the type of
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marker segment read. */
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/* Note: This is a bit of a hack, but I'm not going to define another
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type of virtual function for this one special case. */
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if (ms->id == JPC_MS_SIZ) {
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cstate->numcomps = ms->parms.siz.numcomps;
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}
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return ms;
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}
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/* Write a marker segment to a stream. */
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int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms)
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{
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jas_stream_t *tmpstream;
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int len;
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/* Output the marker segment type. */
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if (jpc_putuint16(out, ms->id)) {
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return -1;
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}
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/* Output the marker segment length and parameters if necessary. */
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if (ms->ops->putparms) {
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/* Create a temporary stream in which to buffer the
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parameter data. */
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if (!(tmpstream = jas_stream_memopen(0, 0))) {
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return -1;
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}
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if ((*ms->ops->putparms)(ms, cstate, tmpstream)) {
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jas_stream_close(tmpstream);
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return -1;
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}
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/* Get the number of bytes of parameter data written. */
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if ((len = jas_stream_tell(tmpstream)) < 0) {
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jas_stream_close(tmpstream);
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return -1;
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}
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ms->len = len;
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/* Write the marker segment length and parameter data to
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the output stream. */
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if (jas_stream_seek(tmpstream, 0, SEEK_SET) < 0 ||
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jpc_putuint16(out, ms->len + 2) ||
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jas_stream_copy(out, tmpstream, ms->len) < 0) {
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jas_stream_close(tmpstream);
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return -1;
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}
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/* Close the temporary stream. */
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jas_stream_close(tmpstream);
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}
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/* This is a bit of a hack, but I'm not going to define another
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type of virtual function for this one special case. */
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if (ms->id == JPC_MS_SIZ) {
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cstate->numcomps = ms->parms.siz.numcomps;
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}
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if (jas_getdbglevel() > 0) {
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jpc_ms_dump(ms, stderr);
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}
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return 0;
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}
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/******************************************************************************\
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* Marker segment operations.
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\******************************************************************************/
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/* Create a marker segment of the specified type. */
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jpc_ms_t *jpc_ms_create(int type)
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{
|
|
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);", (unsigned)ms->id, mstabent->name);
|
|
if (JPC_MS_HASPARMS(ms->id)) {
|
|
fprintf(out, " len = %d;", (int)(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",
|
|
(int)sot->tileno, (int)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_alloc2(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", (unsigned)siz->caps);
|
|
fprintf(out, "width = %d; height = %d; xoff = %d; yoff = %d;\n",
|
|
(int)siz->width, (int)siz->height, (int)siz->xoff, (int)siz->yoff);
|
|
fprintf(out, "tilewidth = %d; tileheight = %d; tilexoff = %d; "
|
|
"tileyoff = %d;\n", (int)siz->tilewidth, (int)siz->tileheight, (int)siz->tilexoff,
|
|
(int)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, (int)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) {
|
|
jas_eprintf("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",
|
|
(int)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 (compparms->numrlvls > JPC_MAXRLVLS) {
|
|
jpc_cox_destroycompparms(compparms);
|
|
return -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",
|
|
(int)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", (int)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 > 3 * JPC_MAXRLVLS + 1) {
|
|
jpc_qcx_destroycompparms(compparms);
|
|
return -1;
|
|
} else if (compparms->numstepsizes > 0) {
|
|
compparms->stepsizes = jas_malloc(compparms->numstepsizes *
|
|
sizeof(uint_fast16_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", (int)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))) {
|
|
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, (int)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))) {
|
|
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, (int)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_alloc2(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, (int)pchg->compnostart, pchgno, (int)pchg->compnoend);
|
|
fprintf(out, "rs[%d] = %d; re[%d] = %d; ",
|
|
pchgno, pchg->rlvlnostart, pchgno, pchg->rlvlnoend);
|
|
fprintf(out, "le[%d] = %d\n", pchgno, (int)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_alloc2(cstate->numcomps, sizeof(jpc_crgcomp_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,
|
|
(int)comp->hoff, compno, (int)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", (int)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))) {
|
|
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);
|
|
}
|