diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jp2/jp2_dec.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jp2/jp2_dec.c | 603 |
1 files changed, 0 insertions, 603 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jp2/jp2_dec.c b/src/3rdparty/jasper/src/libjasper/jp2/jp2_dec.c deleted file mode 100644 index b11b881..0000000 --- a/src/3rdparty/jasper/src/libjasper/jp2/jp2_dec.c +++ /dev/null @@ -1,603 +0,0 @@ -/* - * Copyright (c) 1999-2000 Image Power, Inc. and the University of - * British Columbia. - * Copyright (c) 2001-2003 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 - * - * $Id$ - */ - -/******************************************************************************\ -* Includes. -\******************************************************************************/ - -#include "jasper/jas_image.h" -#include "jasper/jas_stream.h" -#include "jasper/jas_math.h" -#include "jasper/jas_debug.h" -#include "jasper/jas_malloc.h" -#include "jasper/jas_version.h" - -#include "jp2_cod.h" -#include "jp2_dec.h" - -#define JP2_VALIDATELEN (JAS_MIN(JP2_JP_LEN + 16, JAS_STREAM_MAXPUTBACK)) - -static jp2_dec_t *jp2_dec_create(void); -static void jp2_dec_destroy(jp2_dec_t *dec); -static int jp2_getcs(jp2_colr_t *colr); -static int fromiccpcs(int cs); -static int jp2_getct(int colorspace, int type, int assoc); - -/******************************************************************************\ -* Functions. -\******************************************************************************/ - -jas_image_t *jp2_decode(jas_stream_t *in, char *optstr) -{ - jp2_box_t *box; - int found; - jas_image_t *image; - jp2_dec_t *dec; - bool samedtype; - int dtype; - unsigned int i; - jp2_cmap_t *cmapd; - jp2_pclr_t *pclrd; - jp2_cdef_t *cdefd; - unsigned int channo; - int newcmptno; - int_fast32_t *lutents; -#if 0 - jp2_cdefchan_t *cdefent; - int cmptno; -#endif - jp2_cmapent_t *cmapent; - jas_icchdr_t icchdr; - jas_iccprof_t *iccprof; - - dec = 0; - box = 0; - image = 0; - - if (!(dec = jp2_dec_create())) { - goto error; - } - - /* Get the first box. This should be a JP box. */ - if (!(box = jp2_box_get(in))) { - jas_eprintf("error: cannot get box\n"); - goto error; - } - if (box->type != JP2_BOX_JP) { - jas_eprintf("error: expecting signature box\n"); - goto error; - } - if (box->data.jp.magic != JP2_JP_MAGIC) { - jas_eprintf("incorrect magic number\n"); - goto error; - } - jp2_box_destroy(box); - box = 0; - - /* Get the second box. This should be a FTYP box. */ - if (!(box = jp2_box_get(in))) { - goto error; - } - if (box->type != JP2_BOX_FTYP) { - jas_eprintf("expecting file type box\n"); - goto error; - } - jp2_box_destroy(box); - box = 0; - - /* Get more boxes... */ - found = 0; - while ((box = jp2_box_get(in))) { - if (jas_getdbglevel() >= 1) { - jas_eprintf("box type %s\n", box->info->name); - } - switch (box->type) { - case JP2_BOX_JP2C: - found = 1; - break; - case JP2_BOX_IHDR: - if (!dec->ihdr) { - dec->ihdr = box; - box = 0; - } - break; - case JP2_BOX_BPCC: - if (!dec->bpcc) { - dec->bpcc = box; - box = 0; - } - break; - case JP2_BOX_CDEF: - if (!dec->cdef) { - dec->cdef = box; - box = 0; - } - break; - case JP2_BOX_PCLR: - if (!dec->pclr) { - dec->pclr = box; - box = 0; - } - break; - case JP2_BOX_CMAP: - if (!dec->cmap) { - dec->cmap = box; - box = 0; - } - break; - case JP2_BOX_COLR: - if (!dec->colr) { - dec->colr = box; - box = 0; - } - break; - } - if (box) { - jp2_box_destroy(box); - box = 0; - } - if (found) { - break; - } - } - - if (!found) { - jas_eprintf("error: no code stream found\n"); - goto error; - } - - if (!(dec->image = jpc_decode(in, optstr))) { - jas_eprintf("error: cannot decode code stream\n"); - goto error; - } - - /* An IHDR box must be present. */ - if (!dec->ihdr) { - jas_eprintf("error: missing IHDR box\n"); - goto error; - } - - /* Does the number of components indicated in the IHDR box match - the value specified in the code stream? */ - if (dec->ihdr->data.ihdr.numcmpts != JAS_CAST(uint, jas_image_numcmpts(dec->image))) { - jas_eprintf("warning: number of components mismatch\n"); - } - - /* At least one component must be present. */ - if (!jas_image_numcmpts(dec->image)) { - jas_eprintf("error: no components\n"); - goto error; - } - - /* Determine if all components have the same data type. */ - samedtype = true; - dtype = jas_image_cmptdtype(dec->image, 0); - for (i = 1; i < JAS_CAST(uint, jas_image_numcmpts(dec->image)); ++i) { - if (jas_image_cmptdtype(dec->image, i) != dtype) { - samedtype = false; - break; - } - } - - /* Is the component data type indicated in the IHDR box consistent - with the data in the code stream? */ - if ((samedtype && dec->ihdr->data.ihdr.bpc != JP2_DTYPETOBPC(dtype)) || - (!samedtype && dec->ihdr->data.ihdr.bpc != JP2_IHDR_BPCNULL)) { - jas_eprintf("warning: component data type mismatch\n"); - } - - /* Is the compression type supported? */ - if (dec->ihdr->data.ihdr.comptype != JP2_IHDR_COMPTYPE) { - jas_eprintf("error: unsupported compression type\n"); - goto error; - } - - if (dec->bpcc) { - /* Is the number of components indicated in the BPCC box - consistent with the code stream data? */ - if (dec->bpcc->data.bpcc.numcmpts != JAS_CAST(uint, jas_image_numcmpts( - dec->image))) { - jas_eprintf("warning: number of components mismatch\n"); - } - /* Is the component data type information indicated in the BPCC - box consistent with the code stream data? */ - if (!samedtype) { - for (i = 0; i < JAS_CAST(uint, jas_image_numcmpts(dec->image)); ++i) { - if (jas_image_cmptdtype(dec->image, i) != JP2_BPCTODTYPE(dec->bpcc->data.bpcc.bpcs[i])) { - jas_eprintf("warning: component data type mismatch\n"); - } - } - } else { - jas_eprintf("warning: superfluous BPCC box\n"); - } - } - - /* A COLR box must be present. */ - if (!dec->colr) { - jas_eprintf("error: no COLR box\n"); - goto error; - } - - switch (dec->colr->data.colr.method) { - case JP2_COLR_ENUM: - jas_image_setclrspc(dec->image, jp2_getcs(&dec->colr->data.colr)); - break; - case JP2_COLR_ICC: - iccprof = jas_iccprof_createfrombuf(dec->colr->data.colr.iccp, - dec->colr->data.colr.iccplen); - assert(iccprof); - jas_iccprof_gethdr(iccprof, &icchdr); - jas_eprintf("ICC Profile CS %08x\n", icchdr.colorspc); - jas_image_setclrspc(dec->image, fromiccpcs(icchdr.colorspc)); - dec->image->cmprof_ = jas_cmprof_createfromiccprof(iccprof); - assert(dec->image->cmprof_); - jas_iccprof_destroy(iccprof); - break; - } - - /* If a CMAP box is present, a PCLR box must also be present. */ - if (dec->cmap && !dec->pclr) { - jas_eprintf("warning: missing PCLR box or superfluous CMAP box\n"); - jp2_box_destroy(dec->cmap); - dec->cmap = 0; - } - - /* If a CMAP box is not present, a PCLR box must not be present. */ - if (!dec->cmap && dec->pclr) { - jas_eprintf("warning: missing CMAP box or superfluous PCLR box\n"); - jp2_box_destroy(dec->pclr); - dec->pclr = 0; - } - - /* Determine the number of channels (which is essentially the number - of components after any palette mappings have been applied). */ - dec->numchans = dec->cmap ? dec->cmap->data.cmap.numchans : JAS_CAST(uint, jas_image_numcmpts(dec->image)); - - /* Perform a basic sanity check on the CMAP box if present. */ - if (dec->cmap) { - for (i = 0; i < dec->numchans; ++i) { - /* Is the component number reasonable? */ - if (dec->cmap->data.cmap.ents[i].cmptno >= JAS_CAST(uint, jas_image_numcmpts(dec->image))) { - jas_eprintf("error: invalid component number in CMAP box\n"); - goto error; - } - /* Is the LUT index reasonable? */ - if (dec->cmap->data.cmap.ents[i].pcol >= dec->pclr->data.pclr.numchans) { - jas_eprintf("error: invalid CMAP LUT index\n"); - goto error; - } - } - } - - /* Allocate space for the channel-number to component-number LUT. */ - if (!(dec->chantocmptlut = jas_malloc(dec->numchans * sizeof(uint_fast16_t)))) { - jas_eprintf("error: no memory\n"); - goto error; - } - - if (!dec->cmap) { - for (i = 0; i < dec->numchans; ++i) { - dec->chantocmptlut[i] = i; - } - } else { - cmapd = &dec->cmap->data.cmap; - pclrd = &dec->pclr->data.pclr; - cdefd = &dec->cdef->data.cdef; - for (channo = 0; channo < cmapd->numchans; ++channo) { - cmapent = &cmapd->ents[channo]; - if (cmapent->map == JP2_CMAP_DIRECT) { - dec->chantocmptlut[channo] = channo; - } else if (cmapent->map == JP2_CMAP_PALETTE) { - lutents = jas_malloc(pclrd->numlutents * sizeof(int_fast32_t)); - for (i = 0; i < pclrd->numlutents; ++i) { - lutents[i] = pclrd->lutdata[cmapent->pcol + i * pclrd->numchans]; - } - newcmptno = jas_image_numcmpts(dec->image); - jas_image_depalettize(dec->image, cmapent->cmptno, pclrd->numlutents, lutents, JP2_BPCTODTYPE(pclrd->bpc[cmapent->pcol]), newcmptno); - dec->chantocmptlut[channo] = newcmptno; - jas_free(lutents); -#if 0 - if (dec->cdef) { - cdefent = jp2_cdef_lookup(cdefd, channo); - if (!cdefent) { - abort(); - } - jas_image_setcmpttype(dec->image, newcmptno, jp2_getct(jas_image_clrspc(dec->image), cdefent->type, cdefent->assoc)); - } else { - jas_image_setcmpttype(dec->image, newcmptno, jp2_getct(jas_image_clrspc(dec->image), 0, channo + 1)); - } -#endif - } - } - } - - /* Mark all components as being of unknown type. */ - - for (i = 0; i < JAS_CAST(uint, jas_image_numcmpts(dec->image)); ++i) { - jas_image_setcmpttype(dec->image, i, JAS_IMAGE_CT_UNKNOWN); - } - - /* Determine the type of each component. */ - if (dec->cdef) { - for (i = 0; i < dec->numchans; ++i) { - jas_image_setcmpttype(dec->image, - dec->chantocmptlut[dec->cdef->data.cdef.ents[i].channo], - jp2_getct(jas_image_clrspc(dec->image), - dec->cdef->data.cdef.ents[i].type, dec->cdef->data.cdef.ents[i].assoc)); - } - } else { - for (i = 0; i < dec->numchans; ++i) { - jas_image_setcmpttype(dec->image, dec->chantocmptlut[i], - jp2_getct(jas_image_clrspc(dec->image), 0, i + 1)); - } - } - - /* Delete any components that are not of interest. */ - for (i = jas_image_numcmpts(dec->image); i > 0; --i) { - if (jas_image_cmpttype(dec->image, i - 1) == JAS_IMAGE_CT_UNKNOWN) { - jas_image_delcmpt(dec->image, i - 1); - } - } - - /* Ensure that some components survived. */ - if (!jas_image_numcmpts(dec->image)) { - jas_eprintf("error: no components\n"); - goto error; - } -#if 0 -jas_eprintf("no of components is %d\n", jas_image_numcmpts(dec->image)); -#endif - - /* Prevent the image from being destroyed later. */ - image = dec->image; - dec->image = 0; - - jp2_dec_destroy(dec); - - return image; - -error: - if (box) { - jp2_box_destroy(box); - } - if (dec) { - jp2_dec_destroy(dec); - } - return 0; -} - -int jp2_validate(jas_stream_t *in) -{ - char buf[JP2_VALIDATELEN]; - int i; - int n; -#if 0 - jas_stream_t *tmpstream; - jp2_box_t *box; -#endif - - assert(JAS_STREAM_MAXPUTBACK >= JP2_VALIDATELEN); - - /* Read the validation data (i.e., the data used for detecting - the format). */ - if ((n = jas_stream_read(in, buf, JP2_VALIDATELEN)) < 0) { - return -1; - } - - /* Put the validation data back onto the stream, so that the - stream position will not be changed. */ - for (i = n - 1; i >= 0; --i) { - if (jas_stream_ungetc(in, buf[i]) == EOF) { - return -1; - } - } - - /* Did we read enough data? */ - if (n < JP2_VALIDATELEN) { - return -1; - } - - /* Is the box type correct? */ - if (((buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]) != - JP2_BOX_JP) - { - return -1; - } - - return 0; -} - -static jp2_dec_t *jp2_dec_create(void) -{ - jp2_dec_t *dec; - - if (!(dec = jas_malloc(sizeof(jp2_dec_t)))) { - return 0; - } - dec->ihdr = 0; - dec->bpcc = 0; - dec->cdef = 0; - dec->pclr = 0; - dec->image = 0; - dec->chantocmptlut = 0; - dec->cmap = 0; - dec->colr = 0; - return dec; -} - -static void jp2_dec_destroy(jp2_dec_t *dec) -{ - if (dec->ihdr) { - jp2_box_destroy(dec->ihdr); - } - if (dec->bpcc) { - jp2_box_destroy(dec->bpcc); - } - if (dec->cdef) { - jp2_box_destroy(dec->cdef); - } - if (dec->pclr) { - jp2_box_destroy(dec->pclr); - } - if (dec->image) { - jas_image_destroy(dec->image); - } - if (dec->cmap) { - jp2_box_destroy(dec->cmap); - } - if (dec->colr) { - jp2_box_destroy(dec->colr); - } - if (dec->chantocmptlut) { - jas_free(dec->chantocmptlut); - } - jas_free(dec); -} - -static int jp2_getct(int colorspace, int type, int assoc) -{ - if (type == 1 && assoc == 0) { - return JAS_IMAGE_CT_OPACITY; - } - if (type == 0 && assoc >= 1 && assoc <= 65534) { - switch (colorspace) { - case JAS_CLRSPC_FAM_RGB: - switch (assoc) { - case JP2_CDEF_RGB_R: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R); - break; - case JP2_CDEF_RGB_G: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G); - break; - case JP2_CDEF_RGB_B: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B); - break; - } - break; - case JAS_CLRSPC_FAM_YCBCR: - switch (assoc) { - case JP2_CDEF_YCBCR_Y: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y); - break; - case JP2_CDEF_YCBCR_CB: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB); - break; - case JP2_CDEF_YCBCR_CR: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR); - break; - } - break; - case JAS_CLRSPC_FAM_GRAY: - switch (assoc) { - case JP2_CDEF_GRAY_Y: - return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y); - break; - } - break; - default: - return JAS_IMAGE_CT_COLOR(assoc - 1); - break; - } - } - return JAS_IMAGE_CT_UNKNOWN; -} - -static int jp2_getcs(jp2_colr_t *colr) -{ - if (colr->method == JP2_COLR_ENUM) { - switch (colr->csid) { - case JP2_COLR_SRGB: - return JAS_CLRSPC_SRGB; - break; - case JP2_COLR_SYCC: - return JAS_CLRSPC_SYCBCR; - break; - case JP2_COLR_SGRAY: - return JAS_CLRSPC_SGRAY; - break; - } - } - return JAS_CLRSPC_UNKNOWN; -} - -static int fromiccpcs(int cs) -{ - switch (cs) { - case ICC_CS_RGB: - return JAS_CLRSPC_GENRGB; - break; - case ICC_CS_YCBCR: - return JAS_CLRSPC_GENYCBCR; - break; - case ICC_CS_GRAY: - return JAS_CLRSPC_GENGRAY; - break; - } - return JAS_CLRSPC_UNKNOWN; -} |