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Open Source Computer Vision Library
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1643 lines
45 KiB
1643 lines
45 KiB
/* |
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of |
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* British Columbia. |
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* Copyright (c) 2001-2002 Michael David Adams. |
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* All rights reserved. |
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*/ |
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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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/* |
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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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/******************************************************************************\ |
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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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/******************************************************************************\ |
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* Global data. |
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\******************************************************************************/ |
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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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/******************************************************************************\ |
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* Code stream manipulation functions. |
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\******************************************************************************/ |
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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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|
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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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|
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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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|
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if (!(ms = jpc_ms_create(0))) { |
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return 0; |
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} |
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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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|
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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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|
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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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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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|
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/* Close the temporary stream. */ |
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jas_stream_close(tmpstream); |
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|
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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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|
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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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|
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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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|
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return ms; |
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} |
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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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|
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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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|
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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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/* Get the number of bytes of parameter data written. */ |
|
if ((len = jas_stream_tell(tmpstream)) < 0) { |
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jas_stream_close(tmpstream); |
|
return -1; |
|
} |
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ms->len = len; |
|
/* 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) { |
|
jas_stream_close(tmpstream); |
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return -1; |
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} |
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/* Close the temporary stream. */ |
|
jas_stream_close(tmpstream); |
|
} |
|
|
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/* This is a bit of a hack, but I'm not going to define another |
|
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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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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/******************************************************************************\ |
|
* Marker segment operations. |
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\******************************************************************************/ |
|
|
|
/* 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); |
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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) { |
|
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", |
|
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_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", 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); |
|
}
|
|
|