From 1fd361a1ea06e44286c213ca1f814f49306fdc43 Mon Sep 17 00:00:00 2001 From: giraffedata Date: Sat, 19 Aug 2006 03:12:28 +0000 Subject: Create Subversion repository git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1 9d0c8265-081b-0410-96cb-a4ca84ce46f8 --- converter/other/jpeg2000/libjasper/jp2/jp2_cod.c | 928 +++++++++++++++++++++++ 1 file changed, 928 insertions(+) create mode 100644 converter/other/jpeg2000/libjasper/jp2/jp2_cod.c (limited to 'converter/other/jpeg2000/libjasper/jp2/jp2_cod.c') diff --git a/converter/other/jpeg2000/libjasper/jp2/jp2_cod.c b/converter/other/jpeg2000/libjasper/jp2/jp2_cod.c new file mode 100644 index 00000000..4769c408 --- /dev/null +++ b/converter/other/jpeg2000/libjasper/jp2/jp2_cod.c @@ -0,0 +1,928 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer Software License + * + * IMAGE POWER JPEG-2000 PUBLIC LICENSE + * ************************************ + * + * GRANT: + * + * Permission is hereby granted, free of charge, to any person (the "User") + * obtaining a copy of this software and associated documentation, to deal + * in the JasPer Software without restriction, including without limitation + * the right to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the JasPer Software (in source and binary forms), + * and to permit persons to whom the JasPer Software is furnished to do so, + * provided further that the License Conditions below are met. + * + * License Conditions + * ****************** + * + * A. Redistributions of source code must retain the above copyright notice, + * and this list of conditions, and the following disclaimer. + * + * B. Redistributions in binary form must reproduce the above copyright + * notice, and this list of conditions, and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * C. Neither the name of Image Power, Inc. nor any other contributor + * (including, but not limited to, the University of British Columbia and + * Michael David Adams) may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * D. User agrees that it shall not commence any action against Image Power, + * Inc., the University of British Columbia, Michael David Adams, or any + * other contributors (collectively "Licensors") for infringement of any + * intellectual property rights ("IPR") held by the User in respect of any + * technology that User owns or has a right to license or sublicense and + * which is an element required in order to claim compliance with ISO/IEC + * 15444-1 (i.e., JPEG-2000 Part 1). "IPR" means all intellectual property + * rights worldwide arising under statutory or common law, and whether + * or not perfected, including, without limitation, all (i) patents and + * patent applications owned or licensable by User; (ii) rights associated + * with works of authorship including copyrights, copyright applications, + * copyright registrations, mask work rights, mask work applications, + * mask work registrations; (iii) rights relating to the protection of + * trade secrets and confidential information; (iv) any right analogous + * to those set forth in subsections (i), (ii), or (iii) and any other + * proprietary rights relating to intangible property (other than trademark, + * trade dress, or service mark rights); and (v) divisions, continuations, + * renewals, reissues and extensions of the foregoing (as and to the extent + * applicable) now existing, hereafter filed, issued or acquired. + * + * E. If User commences an infringement action against any Licensor(s) then + * such Licensor(s) shall have the right to terminate User's license and + * all sublicenses that have been granted hereunder by User to other parties. + * + * F. This software is for use only in hardware or software products that + * are compliant with ISO/IEC 15444-1 (i.e., JPEG-2000 Part 1). No license + * or right to this Software is granted for products that do not comply + * with ISO/IEC 15444-1. The JPEG-2000 Part 1 standard can be purchased + * from the ISO. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. + * NO USE OF THE JASPER SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE JASPER SOFTWARE IS PROVIDED BY THE LICENSORS AND + * CONTRIBUTORS UNDER THIS LICENSE ON AN ``AS-IS'' BASIS, WITHOUT WARRANTY + * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, + * WARRANTIES THAT THE JASPER SOFTWARE IS FREE OF DEFECTS, IS MERCHANTABLE, + * IS FIT FOR A PARTICULAR PURPOSE OR IS NON-INFRINGING. THOSE INTENDING + * TO USE THE JASPER SOFTWARE OR MODIFICATIONS THEREOF FOR USE IN HARDWARE + * OR SOFTWARE PRODUCTS ARE ADVISED THAT THEIR USE MAY INFRINGE EXISTING + * PATENTS, COPYRIGHTS, TRADEMARKS, OR OTHER INTELLECTUAL PROPERTY RIGHTS. + * THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE JASPER SOFTWARE + * IS WITH THE USER. SHOULD ANY PART OF THE JASPER SOFTWARE PROVE DEFECTIVE + * IN ANY RESPECT, THE USER (AND NOT THE INITIAL DEVELOPERS, THE UNIVERSITY + * OF BRITISH COLUMBIA, IMAGE POWER, INC., MICHAEL DAVID ADAMS, OR ANY + * OTHER CONTRIBUTOR) SHALL ASSUME THE COST OF ANY NECESSARY SERVICING, + * REPAIR OR CORRECTION. UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, + * WHETHER TORT (INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL THE + * INITIAL DEVELOPER, THE UNIVERSITY OF BRITISH COLUMBIA, IMAGE POWER, INC., + * MICHAEL DAVID ADAMS, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF THE + * JASPER SOFTWARE, OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO + * THE USER OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, + * DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR + * MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF + * SUCH PARTY HAD BEEN INFORMED, OR OUGHT TO HAVE KNOWN, OF THE POSSIBILITY + * OF SUCH DAMAGES. THE JASPER SOFTWARE AND UNDERLYING TECHNOLOGY ARE NOT + * FAULT-TOLERANT AND ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE OR + * RESALE AS ON-LINE CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING + * FAIL-SAFE PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT + * LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE + * JASPER SOFTWARE OR UNDERLYING TECHNOLOGY OR PRODUCT COULD LEAD DIRECTLY + * TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE + * ("HIGH RISK ACTIVITIES"). LICENSOR SPECIFICALLY DISCLAIMS ANY EXPRESS + * OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. USER WILL NOT + * KNOWINGLY USE, DISTRIBUTE OR RESELL THE JASPER SOFTWARE OR UNDERLYING + * TECHNOLOGY OR PRODUCTS FOR HIGH RISK ACTIVITIES AND WILL ENSURE THAT ITS + * CUSTOMERS AND END-USERS OF ITS PRODUCTS ARE PROVIDED WITH A COPY OF THE + * NOTICE SPECIFIED IN THIS SECTION. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JP2 Library + * + * $Id$ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include +#include + +#include "pm_c_util.h" + +#include "jasper/jas_stream.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_debug.h" + +#include "jp2_cod.h" + +/******************************************************************************\ +* Function prototypes. +\******************************************************************************/ + +#define ONES(n) ((1 << (n)) - 1) + +jp2_boxinfo_t *jp2_boxinfolookup(int type); + +static int jp2_getuint8(jas_stream_t *in, uint_fast8_t *val); +static int jp2_getuint16(jas_stream_t *in, uint_fast16_t *val); +static int jp2_getuint32(jas_stream_t *in, uint_fast32_t *val); +static int jp2_getuint64(jas_stream_t *in, uint_fast64_t *val); +static int jp2_putuint8(jas_stream_t *out, uint_fast8_t val); +static int jp2_putuint16(jas_stream_t *out, uint_fast16_t val); +static int jp2_putuint32(jas_stream_t *out, uint_fast32_t val); + +static int jp2_getint(jas_stream_t *in, int s, int n, int_fast32_t *val); + +jp2_box_t *jp2_box_get(jas_stream_t *in); +void jp2_box_dump(jp2_box_t *box, FILE *out); + +static int jp2_jp_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_jp_putdata(jp2_box_t *box, jas_stream_t *out); +static int jp2_ftyp_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_ftyp_putdata(jp2_box_t *box, jas_stream_t *out); +static int jp2_ihdr_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_ihdr_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_bpcc_destroy(jp2_box_t *box); +static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_bpcc_putdata(jp2_box_t *box, jas_stream_t *out); +static int jp2_colr_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_colr_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_colr_dumpdata(jp2_box_t *box, FILE *out); +static void jp2_colr_destroy(jp2_box_t *box); +static void jp2_cdef_destroy(jp2_box_t *box); +static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_cdef_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_cdef_dumpdata(jp2_box_t *box, FILE *out); +static void jp2_cmap_destroy(jp2_box_t *box); +static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_cmap_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_cmap_dumpdata(jp2_box_t *box, FILE *out); +static void jp2_pclr_destroy(jp2_box_t *box); +static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_pclr_dumpdata(jp2_box_t *box, FILE *out); + +/******************************************************************************\ +* Local data. +\******************************************************************************/ + +jp2_boxinfo_t jp2_boxinfos[] = { + {JP2_BOX_JP, "JP", 0, + {0, 0, jp2_jp_getdata, jp2_jp_putdata, 0}}, + {JP2_BOX_FTYP, "FTYP", 0, + {0, 0, jp2_ftyp_getdata, jp2_ftyp_putdata, 0}}, + {JP2_BOX_JP2H, "JP2H", JP2_BOX_SUPER, + {0, 0, 0, 0, 0}}, + {JP2_BOX_IHDR, "IHDR", 0, + {0, 0, jp2_ihdr_getdata, jp2_ihdr_putdata, 0}}, + {JP2_BOX_BPCC, "BPCC", 0, + {0, jp2_bpcc_destroy, jp2_bpcc_getdata, jp2_bpcc_putdata, 0}}, + {JP2_BOX_COLR, "COLR", 0, + {0, jp2_colr_destroy, jp2_colr_getdata, jp2_colr_putdata, jp2_colr_dumpdata}}, + {JP2_BOX_PCLR, "PCLR", 0, + {0, jp2_pclr_destroy, jp2_pclr_getdata, jp2_pclr_putdata, jp2_pclr_dumpdata}}, + {JP2_BOX_CMAP, "CMAP", 0, + {0, jp2_cmap_destroy, jp2_cmap_getdata, jp2_cmap_putdata, jp2_cmap_dumpdata}}, + {JP2_BOX_CDEF, "CDEF", 0, + {0, jp2_cdef_destroy, jp2_cdef_getdata, jp2_cdef_putdata, jp2_cdef_dumpdata}}, + {JP2_BOX_RES, "RES", JP2_BOX_SUPER, + {0, 0, 0, 0, 0}}, + {JP2_BOX_RESC, "RESC", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_RESD, "RESD", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_JP2C, "JP2C", JP2_BOX_NODATA, + {0, 0, 0, 0, 0}}, + {JP2_BOX_JP2I, "JP2I", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_XML, "XML", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_UUID, "UUID", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_UINF, "UINF", JP2_BOX_SUPER, + {0, 0, 0, 0, 0}}, + {JP2_BOX_ULST, "ULST", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_URL, "URL", 0, + {0, 0, 0, 0, 0}}, + {0, 0, 0, {0, 0, 0, 0, 0}}, +}; + +jp2_boxinfo_t jp2_boxinfo_unk = { + 0, "Unknown", 0, {0, 0, 0, 0} +}; + +/******************************************************************************\ +* Box constructor. +\******************************************************************************/ + +jp2_box_t *jp2_box_create(int type) +{ + jp2_box_t *box; + jp2_boxinfo_t *boxinfo; + + if (!(box = jas_malloc(sizeof(jp2_box_t)))) { + return 0; + } + memset(box, 0, sizeof(jp2_box_t)); + box->type = type; + box->len = 0; + if (!(boxinfo = jp2_boxinfolookup(type))) { + return 0; + } + box->info = boxinfo; + box->ops = &boxinfo->ops; + return box; +} + +/******************************************************************************\ +* Box destructor. +\******************************************************************************/ + +void jp2_box_destroy(jp2_box_t *box) +{ + if (box->ops->destroy) { + (*box->ops->destroy)(box); + } + jas_free(box); +} + +static void jp2_bpcc_destroy(jp2_box_t *box) +{ + jp2_bpcc_t *bpcc = &box->data.bpcc; + if (bpcc->bpcs) { + jas_free(bpcc->bpcs); + bpcc->bpcs = 0; + } +} + +static void jp2_cdef_destroy(jp2_box_t *box) +{ + jp2_cdef_t *cdef = &box->data.cdef; + if (cdef->ents) { + jas_free(cdef->ents); + cdef->ents = 0; + } +} + +/******************************************************************************\ +* Box input. +\******************************************************************************/ + +jp2_box_t *jp2_box_get(jas_stream_t *in) +{ + jp2_box_t *box; + jp2_boxinfo_t *boxinfo; + jas_stream_t *tmpstream; + uint_fast32_t len; + uint_fast64_t extlen; + bool dataflag; + + box = 0; + tmpstream = 0; + + if (!(box = jas_malloc(sizeof(jp2_box_t)))) { + goto error; + } + box->ops = &jp2_boxinfo_unk.ops; + if (jp2_getuint32(in, &len) || jp2_getuint32(in, &box->type)) { + goto error; + } + boxinfo = jp2_boxinfolookup(box->type); + box->info = boxinfo; + box->ops = &boxinfo->ops; + box->len = len; + if (box->len == 1) { + if (jp2_getuint64(in, &extlen)) { + goto error; + } + box->len = extlen; + } + if (box->len != 0 && box->len < 8) { + goto error; + } + + dataflag = !(box->info->flags & (JP2_BOX_SUPER | JP2_BOX_NODATA)); + + if (dataflag) { + if (!(tmpstream = jas_stream_memopen(0, 0))) { + goto error; + } + if (jas_stream_copy(tmpstream, in, box->len - JP2_BOX_HDRLEN)) { + goto error; + } + jas_stream_rewind(tmpstream); + + if (box->ops->getdata) { + if ((*box->ops->getdata)(box, tmpstream)) { + goto error; + } + } + jas_stream_close(tmpstream); + } + + jp2_box_dump(box, stderr); + + return box; + abort(); + +error: + if (box) { + jp2_box_destroy(box); + } + if (tmpstream) { + jas_stream_close(tmpstream); + } + return 0; +} + +void jp2_box_dump(jp2_box_t *box, FILE *out) +{ + jp2_boxinfo_t *boxinfo; + boxinfo = jp2_boxinfolookup(box->type); + assert(boxinfo); + + fprintf(out, "JP2 box: "); + fprintf(out, "type=%c%s%c (0x%08x); length=%d\n", '"', boxinfo->name, + '"', box->type, box->len); + if (box->ops->dumpdata) { + (*box->ops->dumpdata)(box, out); + } +} + +static int jp2_jp_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_jp_t *jp = &box->data.jp; + if (jp2_getuint32(in, &jp->magic)) { + return -1; + } + return 0; +} + +static int jp2_ftyp_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_ftyp_t *ftyp = &box->data.ftyp; + int i; + if (jp2_getuint32(in, &ftyp->majver) || jp2_getuint32(in, &ftyp->minver)) { + return -1; + } + ftyp->numcompatcodes = ((box->len - JP2_BOX_HDRLEN) - 8) / 4; + if (ftyp->numcompatcodes > JP2_FTYP_MAXCOMPATCODES) { + return -1; + } + for (i = 0; i < ftyp->numcompatcodes; ++i) { + if (jp2_getuint32(in, &ftyp->compatcodes[i])) { + return -1; + } + } + return 0; +} + +static int jp2_ihdr_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_ihdr_t *ihdr = &box->data.ihdr; + if (jp2_getuint32(in, &ihdr->height) || jp2_getuint32(in, &ihdr->width) || + jp2_getuint16(in, &ihdr->numcmpts) || jp2_getuint8(in, &ihdr->bpc) || + jp2_getuint8(in, &ihdr->comptype) || jp2_getuint8(in, &ihdr->csunk) || + jp2_getuint8(in, &ihdr->ipr)) { + return -1; + } + return 0; +} + +static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_bpcc_t *bpcc = &box->data.bpcc; + int i; + bpcc->numcmpts = box->len - JP2_BOX_HDRLEN; + if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * sizeof(uint_fast8_t)))) { + return -1; + } + for (i = 0; i < bpcc->numcmpts; ++i) { + if (jp2_getuint8(in, &bpcc->bpcs[i])) { + return -1; + } + } + return 0; +} + +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); + switch (colr->method) { + case JP2_COLR_ENUM: + fprintf(out, "csid=%d\n", (int)colr->csid); + break; + case JP2_COLR_ICC: + jas_memdump(out, colr->iccp, colr->iccplen); + break; + } +} + +static int jp2_colr_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_colr_t *colr = &box->data.colr; + colr->csid = 0; + colr->iccp = 0; + colr->iccplen = 0; + + if (jp2_getuint8(in, &colr->method) || jp2_getuint8(in, &colr->pri) || + jp2_getuint8(in, &colr->approx)) { + return -1; + } + switch (colr->method) { + case JP2_COLR_ENUM: + if (jp2_getuint32(in, &colr->csid)) { + return -1; + } + break; + case JP2_COLR_ICC: + colr->iccplen = box->len - JP2_BOX_HDRLEN - 3; + if (!(colr->iccp = jas_malloc(colr->iccplen * sizeof(uint_fast8_t)))) { + return -1; + } + if (jas_stream_read(in, colr->iccp, colr->iccplen) != colr->iccplen) { + return -1; + } + break; + } + return 0; +} + +static void jp2_cdef_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_cdef_t *cdef = &box->data.cdef; + int i; + for (i = 0; i < cdef->numchans; ++i) { + fprintf(out, "channo=%d; type=%d; assoc=%d\n", + cdef->ents[i].channo, cdef->ents[i].type, cdef->ents[i].assoc); + } +} + +static void jp2_colr_destroy(jp2_box_t *box) +{ + jp2_colr_t *colr = &box->data.colr; + if (colr->iccp) { + 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; + 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 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; + jas_stream_rewind(tmpstream); + } + /* There was code here in official Jasper to handle 64 bit lengths, + but it was based on determining whether box->len fits in 32 bits. + But box->len is a 32 bit data type, so it fits in 32 bits by + definition. Either this encoder is incapable of making boxes with + lengths that don't fit in 32 bits, or it passes invalid values of + box->len to us. We assume the former because it's easier. + */ + if (jp2_putuint32(out, box->len)) { + goto error; + } + if (jp2_putuint32(out, box->type)) { + goto error; + } + + if (dataflag) { + if (jas_stream_copy(out, tmpstream, box->len - JP2_BOX_HDRLEN)) { + 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; + 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; + 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: + /* XXX - not implemented */ + abort(); + break; + } + return 0; +} + +static int jp2_cdef_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_cdef_t *cdef = &box->data.cdef; + 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) +{ + abort(); +} + +/******************************************************************************\ +* 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; +} + +/******************************************************************************\ +* 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; + int i; + + cmap->numchans = (box->len - JP2_BOX_HDRLEN) / 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) +{ + return -1; +} + +static void jp2_cmap_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_cmap_t *cmap = &box->data.cmap; + int i; + jp2_cmapent_t *ent; + fprintf(stderr, "numchans = %d\n", (int) cmap->numchans); + for (i = 0; i < cmap->numchans; ++i) { + ent = &cmap->ents[i]; + fprintf(stderr, "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); + } +} + +static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_pclr_t *pclr = &box->data.pclr; + int lutsize; + int i; + 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) +{ + /* This code from official Jasper must be part of unfinished work. + It generates an unused variable warning. + jp2_pclr_t *pclr = &box->data.pclr; + */ + return -1; +} + +static void jp2_pclr_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_pclr_t *pclr = &box->data.pclr; + 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, 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) +{ + int i; + jp2_cdefchan_t *cdefent; + for (i = 0; i < cdef->numchans; ++i) { + cdefent = &cdef->ents[i]; + if (cdefent->channo == channo) { + return cdefent; + } + } + return 0; +} -- cgit 1.4.1