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922 lines
23 KiB
C
922 lines
23 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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* JP2 Library
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*
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* $Id: jp2_cod.c,v 1.2 2008-05-26 09:40:52 vp153 Exp $
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*/
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/******************************************************************************\
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* Includes.
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\******************************************************************************/
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#include <assert.h>
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#include <stdlib.h>
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#include "jasper/jas_stream.h"
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#include "jasper/jas_malloc.h"
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#include "jasper/jas_debug.h"
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#include "jp2_cod.h"
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/******************************************************************************\
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* Function prototypes.
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\******************************************************************************/
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#define ONES(n) ((1 << (n)) - 1)
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jp2_boxinfo_t *jp2_boxinfolookup(int type);
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static int jp2_getuint8(jas_stream_t *in, uint_fast8_t *val);
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static int jp2_getuint16(jas_stream_t *in, uint_fast16_t *val);
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static int jp2_getuint32(jas_stream_t *in, uint_fast32_t *val);
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static int jp2_getuint64(jas_stream_t *in, uint_fast64_t *val);
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static int jp2_putuint8(jas_stream_t *out, uint_fast8_t val);
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static int jp2_putuint16(jas_stream_t *out, uint_fast16_t val);
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static int jp2_putuint32(jas_stream_t *out, uint_fast32_t val);
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static int jp2_putuint64(jas_stream_t *out, uint_fast64_t val);
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static int jp2_getint(jas_stream_t *in, int s, int n, int_fast32_t *val);
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jp2_box_t *jp2_box_get(jas_stream_t *in);
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void jp2_box_dump(jp2_box_t *box, FILE *out);
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static int jp2_jp_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_jp_putdata(jp2_box_t *box, jas_stream_t *out);
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static int jp2_ftyp_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_ftyp_putdata(jp2_box_t *box, jas_stream_t *out);
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static int jp2_ihdr_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_ihdr_putdata(jp2_box_t *box, jas_stream_t *out);
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static void jp2_bpcc_destroy(jp2_box_t *box);
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static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_bpcc_putdata(jp2_box_t *box, jas_stream_t *out);
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static int jp2_colr_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_colr_putdata(jp2_box_t *box, jas_stream_t *out);
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static void jp2_colr_dumpdata(jp2_box_t *box, FILE *out);
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static void jp2_colr_destroy(jp2_box_t *box);
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static void jp2_cdef_destroy(jp2_box_t *box);
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static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_cdef_putdata(jp2_box_t *box, jas_stream_t *out);
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static void jp2_cdef_dumpdata(jp2_box_t *box, FILE *out);
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static void jp2_cmap_destroy(jp2_box_t *box);
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static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_cmap_putdata(jp2_box_t *box, jas_stream_t *out);
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static void jp2_cmap_dumpdata(jp2_box_t *box, FILE *out);
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static void jp2_pclr_destroy(jp2_box_t *box);
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static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in);
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static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out);
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static void jp2_pclr_dumpdata(jp2_box_t *box, FILE *out);
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/******************************************************************************\
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* Local data.
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\******************************************************************************/
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jp2_boxinfo_t jp2_boxinfos[] = {
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{JP2_BOX_JP, "JP", 0,
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{0, 0, jp2_jp_getdata, jp2_jp_putdata, 0}},
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{JP2_BOX_FTYP, "FTYP", 0,
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{0, 0, jp2_ftyp_getdata, jp2_ftyp_putdata, 0}},
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{JP2_BOX_JP2H, "JP2H", JP2_BOX_SUPER,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_IHDR, "IHDR", 0,
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{0, 0, jp2_ihdr_getdata, jp2_ihdr_putdata, 0}},
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{JP2_BOX_BPCC, "BPCC", 0,
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{0, jp2_bpcc_destroy, jp2_bpcc_getdata, jp2_bpcc_putdata, 0}},
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{JP2_BOX_COLR, "COLR", 0,
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{0, jp2_colr_destroy, jp2_colr_getdata, jp2_colr_putdata, jp2_colr_dumpdata}},
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{JP2_BOX_PCLR, "PCLR", 0,
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{0, jp2_pclr_destroy, jp2_pclr_getdata, jp2_pclr_putdata, jp2_pclr_dumpdata}},
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{JP2_BOX_CMAP, "CMAP", 0,
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{0, jp2_cmap_destroy, jp2_cmap_getdata, jp2_cmap_putdata, jp2_cmap_dumpdata}},
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{JP2_BOX_CDEF, "CDEF", 0,
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{0, jp2_cdef_destroy, jp2_cdef_getdata, jp2_cdef_putdata, jp2_cdef_dumpdata}},
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{JP2_BOX_RES, "RES", JP2_BOX_SUPER,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_RESC, "RESC", 0,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_RESD, "RESD", 0,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_JP2C, "JP2C", JP2_BOX_NODATA,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_JP2I, "JP2I", 0,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_XML, "XML", 0,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_UUID, "UUID", 0,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_UINF, "UINF", JP2_BOX_SUPER,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_ULST, "ULST", 0,
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{0, 0, 0, 0, 0}},
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{JP2_BOX_URL, "URL", 0,
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{0, 0, 0, 0, 0}},
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{0, 0, 0, {0, 0, 0, 0, 0}},
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};
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jp2_boxinfo_t jp2_boxinfo_unk = {
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0, "Unknown", 0, {0, 0, 0, 0, 0}
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};
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/******************************************************************************\
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* Box constructor.
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\******************************************************************************/
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jp2_box_t *jp2_box_create(int type)
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{
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jp2_box_t *box;
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jp2_boxinfo_t *boxinfo;
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if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
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return 0;
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}
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memset(box, 0, sizeof(jp2_box_t));
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box->type = type;
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box->len = 0;
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if (!(boxinfo = jp2_boxinfolookup(type))) {
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return 0;
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}
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box->info = boxinfo;
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box->ops = &boxinfo->ops;
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return box;
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}
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/******************************************************************************\
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* Box destructor.
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\******************************************************************************/
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void jp2_box_destroy(jp2_box_t *box)
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{
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if (box->ops->destroy) {
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(*box->ops->destroy)(box);
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}
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jas_free(box);
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}
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static void jp2_bpcc_destroy(jp2_box_t *box)
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{
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jp2_bpcc_t *bpcc = &box->data.bpcc;
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if (bpcc->bpcs) {
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jas_free(bpcc->bpcs);
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bpcc->bpcs = 0;
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}
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}
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static void jp2_cdef_destroy(jp2_box_t *box)
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{
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jp2_cdef_t *cdef = &box->data.cdef;
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if (cdef->ents) {
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jas_free(cdef->ents);
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cdef->ents = 0;
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}
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}
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/******************************************************************************\
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* Box input.
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\******************************************************************************/
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jp2_box_t *jp2_box_get(jas_stream_t *in)
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{
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jp2_box_t *box;
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jp2_boxinfo_t *boxinfo;
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jas_stream_t *tmpstream;
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uint_fast32_t len;
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uint_fast64_t extlen;
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bool dataflag;
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box = 0;
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tmpstream = 0;
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if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
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goto error;
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}
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box->ops = &jp2_boxinfo_unk.ops;
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if (jp2_getuint32(in, &len) || jp2_getuint32(in, &box->type)) {
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goto error;
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}
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boxinfo = jp2_boxinfolookup(box->type);
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box->info = boxinfo;
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box->ops = &boxinfo->ops;
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box->len = len;
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if (box->len == 1) {
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if (jp2_getuint64(in, &extlen)) {
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goto error;
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}
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if (extlen > 0xffffffffUL) {
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jas_eprintf("warning: cannot handle large 64-bit box length\n");
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extlen = 0xffffffffUL;
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}
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box->len = extlen;
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box->datalen = extlen - JP2_BOX_HDRLEN(true);
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} else {
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box->datalen = box->len - JP2_BOX_HDRLEN(false);
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}
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if (box->len != 0 && box->len < 8) {
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goto error;
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}
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dataflag = !(box->info->flags & (JP2_BOX_SUPER | JP2_BOX_NODATA));
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if (dataflag) {
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if (!(tmpstream = jas_stream_memopen(0, 0))) {
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goto error;
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}
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if (jas_stream_copy(tmpstream, in, box->datalen)) {
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jas_eprintf("cannot copy box data\n");
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goto error;
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}
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jas_stream_rewind(tmpstream);
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if (box->ops->getdata) {
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if ((*box->ops->getdata)(box, tmpstream)) {
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jas_eprintf("cannot parse box data\n");
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goto error;
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}
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}
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jas_stream_close(tmpstream);
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}
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if (jas_getdbglevel() >= 1) {
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jp2_box_dump(box, stderr);
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}
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return box;
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abort();
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error:
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if (box) {
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jp2_box_destroy(box);
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}
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if (tmpstream) {
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jas_stream_close(tmpstream);
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}
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return 0;
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}
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void jp2_box_dump(jp2_box_t *box, FILE *out)
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{
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jp2_boxinfo_t *boxinfo;
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boxinfo = jp2_boxinfolookup(box->type);
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assert(boxinfo);
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fprintf(out, "JP2 box: ");
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fprintf(out, "type=%c%s%c (0x%08x); length=%d\n", '"', boxinfo->name,
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'"', (unsigned)box->type, (int)box->len);
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if (box->ops->dumpdata) {
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(*box->ops->dumpdata)(box, out);
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}
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}
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static int jp2_jp_getdata(jp2_box_t *box, jas_stream_t *in)
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{
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jp2_jp_t *jp = &box->data.jp;
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if (jp2_getuint32(in, &jp->magic)) {
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return -1;
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}
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return 0;
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}
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static int jp2_ftyp_getdata(jp2_box_t *box, jas_stream_t *in)
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{
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jp2_ftyp_t *ftyp = &box->data.ftyp;
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unsigned int i;
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if (jp2_getuint32(in, &ftyp->majver) || jp2_getuint32(in, &ftyp->minver)) {
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return -1;
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}
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ftyp->numcompatcodes = (box->datalen - 8) / 4;
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if (ftyp->numcompatcodes > JP2_FTYP_MAXCOMPATCODES) {
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return -1;
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}
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for (i = 0; i < ftyp->numcompatcodes; ++i) {
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if (jp2_getuint32(in, &ftyp->compatcodes[i])) {
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return -1;
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}
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}
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return 0;
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}
|
|
|
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static int jp2_ihdr_getdata(jp2_box_t *box, jas_stream_t *in)
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{
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jp2_ihdr_t *ihdr = &box->data.ihdr;
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if (jp2_getuint32(in, &ihdr->height) || jp2_getuint32(in, &ihdr->width) ||
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jp2_getuint16(in, &ihdr->numcmpts) || jp2_getuint8(in, &ihdr->bpc) ||
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jp2_getuint8(in, &ihdr->comptype) || jp2_getuint8(in, &ihdr->csunk) ||
|
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jp2_getuint8(in, &ihdr->ipr)) {
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return -1;
|
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}
|
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return 0;
|
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}
|
|
|
|
static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in)
|
|
{
|
|
jp2_bpcc_t *bpcc = &box->data.bpcc;
|
|
unsigned int i;
|
|
bpcc->numcmpts = box->datalen;
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if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * sizeof(uint_fast8_t)))) {
|
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return -1;
|
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}
|
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for (i = 0; i < bpcc->numcmpts; ++i) {
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if (jp2_getuint8(in, &bpcc->bpcs[i])) {
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return -1;
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}
|
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}
|
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return 0;
|
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}
|
|
|
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static void jp2_colr_dumpdata(jp2_box_t *box, FILE *out)
|
|
{
|
|
jp2_colr_t *colr = &box->data.colr;
|
|
fprintf(out, "method=%d; pri=%d; approx=%d\n", (int)colr->method, (int)colr->pri, (int)colr->approx);
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|
switch (colr->method) {
|
|
case JP2_COLR_ENUM:
|
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fprintf(out, "csid=%d\n", (int)colr->csid);
|
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break;
|
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case JP2_COLR_ICC:
|
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jas_memdump(out, colr->iccp, colr->iccplen);
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break;
|
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}
|
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}
|
|
|
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static int jp2_colr_getdata(jp2_box_t *box, jas_stream_t *in)
|
|
{
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jp2_colr_t *colr = &box->data.colr;
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colr->csid = 0;
|
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colr->iccp = 0;
|
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colr->iccplen = 0;
|
|
|
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if (jp2_getuint8(in, &colr->method) || jp2_getuint8(in, &colr->pri) ||
|
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jp2_getuint8(in, &colr->approx)) {
|
|
return -1;
|
|
}
|
|
switch (colr->method) {
|
|
case JP2_COLR_ENUM:
|
|
if (jp2_getuint32(in, &colr->csid)) {
|
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return -1;
|
|
}
|
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break;
|
|
case JP2_COLR_ICC:
|
|
colr->iccplen = box->datalen - 3;
|
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if (!(colr->iccp = jas_malloc(colr->iccplen * sizeof(uint_fast8_t)))) {
|
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return -1;
|
|
}
|
|
if (jas_stream_read(in, colr->iccp, colr->iccplen) != colr->iccplen) {
|
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return -1;
|
|
}
|
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break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void jp2_cdef_dumpdata(jp2_box_t *box, FILE *out)
|
|
{
|
|
jp2_cdef_t *cdef = &box->data.cdef;
|
|
unsigned int i;
|
|
for (i = 0; i < cdef->numchans; ++i) {
|
|
fprintf(out, "channo=%d; type=%d; assoc=%d\n",
|
|
(int)cdef->ents[i].channo, (int)cdef->ents[i].type, (int)cdef->ents[i].assoc);
|
|
}
|
|
}
|
|
|
|
static void jp2_colr_destroy(jp2_box_t *box)
|
|
{
|
|
jp2_colr_t *colr = &box->data.colr;
|
|
if (colr->iccp) {
|
|
jas_free(colr->iccp);
|
|
}
|
|
}
|
|
|
|
static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in)
|
|
{
|
|
jp2_cdef_t *cdef = &box->data.cdef;
|
|
jp2_cdefchan_t *chan;
|
|
unsigned int channo;
|
|
if (jp2_getuint16(in, &cdef->numchans)) {
|
|
return -1;
|
|
}
|
|
if (!(cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)))) {
|
|
return -1;
|
|
}
|
|
for (channo = 0; channo < cdef->numchans; ++channo) {
|
|
chan = &cdef->ents[channo];
|
|
if (jp2_getuint16(in, &chan->channo) || jp2_getuint16(in, &chan->type) ||
|
|
jp2_getuint16(in, &chan->assoc)) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************\
|
|
* Box output.
|
|
\******************************************************************************/
|
|
|
|
int jp2_box_put(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jas_stream_t *tmpstream;
|
|
bool extlen;
|
|
bool dataflag;
|
|
|
|
tmpstream = 0;
|
|
|
|
dataflag = !(box->info->flags & (JP2_BOX_SUPER | JP2_BOX_NODATA));
|
|
|
|
if (dataflag) {
|
|
tmpstream = jas_stream_memopen(0, 0);
|
|
if (box->ops->putdata) {
|
|
if ((*box->ops->putdata)(box, tmpstream)) {
|
|
goto error;
|
|
}
|
|
}
|
|
box->len = jas_stream_tell(tmpstream) + JP2_BOX_HDRLEN(false);
|
|
jas_stream_rewind(tmpstream);
|
|
}
|
|
//extlen = (box->len >= (((uint_fast64_t)1) << 32)) != 0;
|
|
if (jp2_putuint32(out, /*extlen ? 1 :*/ box->len)) {
|
|
goto error;
|
|
}
|
|
if (jp2_putuint32(out, box->type)) {
|
|
goto error;
|
|
}
|
|
/*if (extlen) {
|
|
if (jp2_putuint64(out, box->len)) {
|
|
goto error;
|
|
}
|
|
}*/
|
|
|
|
if (dataflag) {
|
|
if (jas_stream_copy(out, tmpstream, box->len - JP2_BOX_HDRLEN(false))) {
|
|
goto error;
|
|
}
|
|
jas_stream_close(tmpstream);
|
|
}
|
|
|
|
return 0;
|
|
abort();
|
|
|
|
error:
|
|
|
|
if (tmpstream) {
|
|
jas_stream_close(tmpstream);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int jp2_jp_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jp2_jp_t *jp = &box->data.jp;
|
|
if (jp2_putuint32(out, jp->magic)) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_ftyp_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jp2_ftyp_t *ftyp = &box->data.ftyp;
|
|
unsigned int i;
|
|
if (jp2_putuint32(out, ftyp->majver) || jp2_putuint32(out, ftyp->minver)) {
|
|
return -1;
|
|
}
|
|
for (i = 0; i < ftyp->numcompatcodes; ++i) {
|
|
if (jp2_putuint32(out, ftyp->compatcodes[i])) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_ihdr_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jp2_ihdr_t *ihdr = &box->data.ihdr;
|
|
if (jp2_putuint32(out, ihdr->height) || jp2_putuint32(out, ihdr->width) ||
|
|
jp2_putuint16(out, ihdr->numcmpts) || jp2_putuint8(out, ihdr->bpc) ||
|
|
jp2_putuint8(out, ihdr->comptype) || jp2_putuint8(out, ihdr->csunk) ||
|
|
jp2_putuint8(out, ihdr->ipr)) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_bpcc_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jp2_bpcc_t *bpcc = &box->data.bpcc;
|
|
unsigned int i;
|
|
for (i = 0; i < bpcc->numcmpts; ++i) {
|
|
if (jp2_putuint8(out, bpcc->bpcs[i])) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_colr_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jp2_colr_t *colr = &box->data.colr;
|
|
if (jp2_putuint8(out, colr->method) || jp2_putuint8(out, colr->pri) ||
|
|
jp2_putuint8(out, colr->approx)) {
|
|
return -1;
|
|
}
|
|
switch (colr->method) {
|
|
case JP2_COLR_ENUM:
|
|
if (jp2_putuint32(out, colr->csid)) {
|
|
return -1;
|
|
}
|
|
break;
|
|
case JP2_COLR_ICC:
|
|
if (jas_stream_write(out, colr->iccp,
|
|
JAS_CAST(int, colr->iccplen)) != JAS_CAST(int, colr->iccplen))
|
|
return -1;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_cdef_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
jp2_cdef_t *cdef = &box->data.cdef;
|
|
unsigned int i;
|
|
jp2_cdefchan_t *ent;
|
|
|
|
if (jp2_putuint16(out, cdef->numchans)) {
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < cdef->numchans; ++i) {
|
|
ent = &cdef->ents[i];
|
|
if (jp2_putuint16(out, ent->channo) ||
|
|
jp2_putuint16(out, ent->type) ||
|
|
jp2_putuint16(out, ent->assoc)) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************\
|
|
* Input operations for primitive types.
|
|
\******************************************************************************/
|
|
|
|
static int jp2_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;
|
|
}
|
|
|
|
static int jp2_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;
|
|
}
|
|
|
|
static int jp2_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;
|
|
}
|
|
|
|
static int jp2_getuint64(jas_stream_t *in, uint_fast64_t *val)
|
|
{
|
|
uint_fast64_t tmpval;
|
|
int i;
|
|
int c;
|
|
|
|
tmpval = 0;
|
|
for (i = 0; i < 8; ++i) {
|
|
tmpval <<= 8;
|
|
if ((c = jas_stream_getc(in)) == EOF) {
|
|
return -1;
|
|
}
|
|
tmpval |= (c & 0xff);
|
|
}
|
|
*val = tmpval;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************\
|
|
* Output operations for primitive types.
|
|
\******************************************************************************/
|
|
|
|
static int jp2_putuint8(jas_stream_t *out, uint_fast8_t val)
|
|
{
|
|
if (jas_stream_putc(out, val & 0xff) == EOF) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_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;
|
|
}
|
|
|
|
static int jp2_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;
|
|
}
|
|
|
|
static int jp2_putuint64(jas_stream_t *out, uint_fast64_t val)
|
|
{
|
|
if (jp2_putuint32(out, (val >> 32) & 0xffffffffUL) ||
|
|
jp2_putuint32(out, val & 0xffffffffUL)) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/******************************************************************************\
|
|
* Miscellaneous code.
|
|
\******************************************************************************/
|
|
|
|
jp2_boxinfo_t *jp2_boxinfolookup(int type)
|
|
{
|
|
jp2_boxinfo_t *boxinfo;
|
|
for (boxinfo = jp2_boxinfos; boxinfo->name; ++boxinfo) {
|
|
if (boxinfo->type == type) {
|
|
return boxinfo;
|
|
}
|
|
}
|
|
return &jp2_boxinfo_unk;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void jp2_cmap_destroy(jp2_box_t *box)
|
|
{
|
|
jp2_cmap_t *cmap = &box->data.cmap;
|
|
if (cmap->ents) {
|
|
jas_free(cmap->ents);
|
|
}
|
|
}
|
|
|
|
static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in)
|
|
{
|
|
jp2_cmap_t *cmap = &box->data.cmap;
|
|
jp2_cmapent_t *ent;
|
|
unsigned int i;
|
|
|
|
cmap->numchans = (box->datalen) / 4;
|
|
if (!(cmap->ents = jas_malloc(cmap->numchans * sizeof(jp2_cmapent_t)))) {
|
|
return -1;
|
|
}
|
|
for (i = 0; i < cmap->numchans; ++i) {
|
|
ent = &cmap->ents[i];
|
|
if (jp2_getuint16(in, &ent->cmptno) ||
|
|
jp2_getuint8(in, &ent->map) ||
|
|
jp2_getuint8(in, &ent->pcol)) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_cmap_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
/* Eliminate compiler warning about unused variables. */
|
|
box = 0;
|
|
out = 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void jp2_cmap_dumpdata(jp2_box_t *box, FILE *out)
|
|
{
|
|
jp2_cmap_t *cmap = &box->data.cmap;
|
|
unsigned int i;
|
|
jp2_cmapent_t *ent;
|
|
fprintf(out, "numchans = %d\n", (int) cmap->numchans);
|
|
for (i = 0; i < cmap->numchans; ++i) {
|
|
ent = &cmap->ents[i];
|
|
fprintf(out, "cmptno=%d; map=%d; pcol=%d\n",
|
|
(int) ent->cmptno, (int) ent->map, (int) ent->pcol);
|
|
}
|
|
}
|
|
|
|
static void jp2_pclr_destroy(jp2_box_t *box)
|
|
{
|
|
jp2_pclr_t *pclr = &box->data.pclr;
|
|
if (pclr->lutdata) {
|
|
jas_free(pclr->lutdata);
|
|
}
|
|
if (pclr->bpc)
|
|
jas_free(pclr->bpc);
|
|
}
|
|
|
|
static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in)
|
|
{
|
|
jp2_pclr_t *pclr = &box->data.pclr;
|
|
int lutsize;
|
|
unsigned int i;
|
|
unsigned int j;
|
|
int_fast32_t x;
|
|
|
|
pclr->lutdata = 0;
|
|
|
|
if (jp2_getuint16(in, &pclr->numlutents) ||
|
|
jp2_getuint8(in, &pclr->numchans)) {
|
|
return -1;
|
|
}
|
|
lutsize = pclr->numlutents * pclr->numchans;
|
|
if (!(pclr->lutdata = jas_malloc(lutsize * sizeof(int_fast32_t)))) {
|
|
return -1;
|
|
}
|
|
if (!(pclr->bpc = jas_malloc(pclr->numchans * sizeof(uint_fast8_t)))) {
|
|
return -1;
|
|
}
|
|
for (i = 0; i < pclr->numchans; ++i) {
|
|
if (jp2_getuint8(in, &pclr->bpc[i])) {
|
|
return -1;
|
|
}
|
|
}
|
|
for (i = 0; i < pclr->numlutents; ++i) {
|
|
for (j = 0; j < pclr->numchans; ++j) {
|
|
if (jp2_getint(in, (pclr->bpc[j] & 0x80) != 0,
|
|
(pclr->bpc[j] & 0x7f) + 1, &x)) {
|
|
return -1;
|
|
}
|
|
pclr->lutdata[i * pclr->numchans + j] = x;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out)
|
|
{
|
|
#if 0
|
|
jp2_pclr_t *pclr = &box->data.pclr;
|
|
#endif
|
|
/* Eliminate warning about unused variable. */
|
|
box = 0;
|
|
out = 0;
|
|
return -1;
|
|
}
|
|
|
|
static void jp2_pclr_dumpdata(jp2_box_t *box, FILE *out)
|
|
{
|
|
jp2_pclr_t *pclr = &box->data.pclr;
|
|
unsigned int i;
|
|
int j;
|
|
fprintf(out, "numents=%d; numchans=%d\n", (int) pclr->numlutents,
|
|
(int) pclr->numchans);
|
|
for (i = 0; i < pclr->numlutents; ++i) {
|
|
for (j = 0; j < pclr->numchans; ++j) {
|
|
fprintf(out, "LUT[%d][%d]=%d\n", i, j, (int)pclr->lutdata[i * pclr->numchans + j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int jp2_getint(jas_stream_t *in, int s, int n, int_fast32_t *val)
|
|
{
|
|
int c;
|
|
int i;
|
|
uint_fast32_t v;
|
|
int m;
|
|
|
|
m = (n + 7) / 8;
|
|
|
|
v = 0;
|
|
for (i = 0; i < m; ++i) {
|
|
if ((c = jas_stream_getc(in)) == EOF) {
|
|
return -1;
|
|
}
|
|
v = (v << 8) | c;
|
|
}
|
|
v &= ONES(n);
|
|
if (s) {
|
|
int sb;
|
|
sb = v & (1 << (8 * m - 1));
|
|
*val = ((~v) + 1) & ONES(8 * m);
|
|
if (sb) {
|
|
*val = -*val;
|
|
}
|
|
} else {
|
|
*val = v;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo)
|
|
{
|
|
unsigned int i;
|
|
jp2_cdefchan_t *cdefent;
|
|
for (i = 0; i < cdef->numchans; ++i) {
|
|
cdefent = &cdef->ents[i];
|
|
if (cdefent->channo == JAS_CAST(unsigned int, channo)) {
|
|
return cdefent;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|