+++ /dev/null
-/*
- * 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 License Version 2.0
- *
- * Copyright (c) 2001-2006 Michael David Adams
- * Copyright (c) 1999-2000 Image Power, Inc.
- * Copyright (c) 1999-2000 The University of British Columbia
- *
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person (the
- * "User") obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, and/or sell copies of the Software, and to permit
- * persons to whom the Software is furnished to do so, subject to the
- * following conditions:
- *
- * 1. The above copyright notices and this permission notice (which
- * includes the disclaimer below) shall be included in all copies or
- * substantial portions of the Software.
- *
- * 2. The name of a copyright holder shall not be used to endorse or
- * promote products derived from the Software without specific prior
- * written permission.
- *
- * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
- * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
- * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
- * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
- * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
- * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
- * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
- * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
- * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
- * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
- * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
- * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
- * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
- * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
- * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
- * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
- * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
- * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
- * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
- * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
- * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
- *
- * __END_OF_JASPER_LICENSE__
- */
-
-/*
- * JP2 Library
- *
- * $Id: jp2_cod.c,v 1.2 2008/05/26 09:40:52 vp153 Exp $
- */
-
-/******************************************************************************\
-* Includes.
-\******************************************************************************/
-
-#include <assert.h>
-#include <stdlib.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_putuint64(jas_stream_t *out, uint_fast64_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, 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;
- }
- if (extlen > 0xffffffffUL) {
- jas_eprintf("warning: cannot handle large 64-bit box length\n");
- extlen = 0xffffffffUL;
- }
- box->len = extlen;
- box->datalen = extlen - JP2_BOX_HDRLEN(true);
- } else {
- box->datalen = box->len - JP2_BOX_HDRLEN(false);
- }
- 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->datalen)) {
- jas_eprintf("cannot copy box data\n");
- goto error;
- }
- jas_stream_rewind(tmpstream);
-
- if (box->ops->getdata) {
- if ((*box->ops->getdata)(box, tmpstream)) {
- jas_eprintf("cannot parse box data\n");
- goto error;
- }
- }
- jas_stream_close(tmpstream);
- }
-
- if (jas_getdbglevel() >= 1) {
- 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;
- unsigned int i;
- if (jp2_getuint32(in, &ftyp->majver) || jp2_getuint32(in, &ftyp->minver)) {
- return -1;
- }
- ftyp->numcompatcodes = (box->datalen - 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;
- unsigned int i;
- bpcc->numcmpts = box->datalen;
- 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->datalen - 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;
- unsigned 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) {
- 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, 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;
-}
projects / opencv / blobdiff