diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jp2/jp2_enc.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jp2/jp2_enc.c | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jp2/jp2_enc.c b/src/3rdparty/jasper/src/libjasper/jp2/jp2_enc.c new file mode 100644 index 0000000..d9c25ce --- /dev/null +++ b/src/3rdparty/jasper/src/libjasper/jp2/jp2_enc.c @@ -0,0 +1,436 @@ +/* + * 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 <assert.h> +#include "jasper/jas_malloc.h" +#include "jasper/jas_image.h" +#include "jasper/jas_stream.h" +#include "jasper/jas_cm.h" +#include "jasper/jas_icc.h" +#include "jp2_cod.h" + +static uint_fast32_t jp2_gettypeasoc(int colorspace, int ctype); +static int clrspctojp2(jas_clrspc_t clrspc); + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr) +{ + jp2_box_t *box; + jp2_ftyp_t *ftyp; + jp2_ihdr_t *ihdr; + jas_stream_t *tmpstream; + int allcmptssame; + jp2_bpcc_t *bpcc; + long len; + uint_fast16_t cmptno; + jp2_colr_t *colr; + char buf[4096]; + uint_fast32_t overhead; + jp2_cdefchan_t *cdefchanent; + jp2_cdef_t *cdef; + int i; + uint_fast32_t typeasoc; +jas_iccprof_t *iccprof; +jas_stream_t *iccstream; +int pos; +int needcdef; +int prec; +int sgnd; + + box = 0; + tmpstream = 0; + + allcmptssame = 1; + sgnd = jas_image_cmptsgnd(image, 0); + prec = jas_image_cmptprec(image, 0); + for (i = 1; i < jas_image_numcmpts(image); ++i) { + if (jas_image_cmptsgnd(image, i) != sgnd || + jas_image_cmptprec(image, i) != prec) { + allcmptssame = 0; + break; + } + } + + /* Output the signature box. */ + + if (!(box = jp2_box_create(JP2_BOX_JP))) { + goto error; + } + box->data.jp.magic = JP2_JP_MAGIC; + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Output the file type box. */ + + if (!(box = jp2_box_create(JP2_BOX_FTYP))) { + goto error; + } + ftyp = &box->data.ftyp; + ftyp->majver = JP2_FTYP_MAJVER; + ftyp->minver = JP2_FTYP_MINVER; + ftyp->numcompatcodes = 1; + ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE; + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* + * Generate the data portion of the JP2 header box. + * We cannot simply output the header for this box + * since we do not yet know the correct value for the length + * field. + */ + + if (!(tmpstream = jas_stream_memopen(0, 0))) { + goto error; + } + + /* Generate image header box. */ + + if (!(box = jp2_box_create(JP2_BOX_IHDR))) { + goto error; + } + ihdr = &box->data.ihdr; + ihdr->width = jas_image_width(image); + ihdr->height = jas_image_height(image); + ihdr->numcmpts = jas_image_numcmpts(image); + ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0), + jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL; + ihdr->comptype = JP2_IHDR_COMPTYPE; + ihdr->csunk = 0; + ihdr->ipr = 0; + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Generate bits per component box. */ + + if (!allcmptssame) { + if (!(box = jp2_box_create(JP2_BOX_BPCC))) { + goto error; + } + bpcc = &box->data.bpcc; + bpcc->numcmpts = jas_image_numcmpts(image); + if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * + sizeof(uint_fast8_t)))) { + goto error; + } + for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) { + bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image, + cmptno), jas_image_cmptprec(image, cmptno)); + } + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + } + + /* Generate color specification box. */ + + if (!(box = jp2_box_create(JP2_BOX_COLR))) { + goto error; + } + colr = &box->data.colr; + switch (jas_image_clrspc(image)) { + case JAS_CLRSPC_SRGB: + case JAS_CLRSPC_SYCBCR: + case JAS_CLRSPC_SGRAY: + colr->method = JP2_COLR_ENUM; + colr->csid = clrspctojp2(jas_image_clrspc(image)); + colr->pri = JP2_COLR_PRI; + colr->approx = 0; + break; + default: + colr->method = JP2_COLR_ICC; + colr->pri = JP2_COLR_PRI; + colr->approx = 0; + iccprof = jas_iccprof_createfromcmprof(jas_image_cmprof(image)); + assert(iccprof); + iccstream = jas_stream_memopen(0, 0); + assert(iccstream); + if (jas_iccprof_save(iccprof, iccstream)) + abort(); + if ((pos = jas_stream_tell(iccstream)) < 0) + abort(); + colr->iccplen = pos; + colr->iccp = jas_malloc(pos); + assert(colr->iccp); + jas_stream_rewind(iccstream); + if (jas_stream_read(iccstream, colr->iccp, colr->iccplen) != colr->iccplen) + abort(); + jas_stream_close(iccstream); + jas_iccprof_destroy(iccprof); + break; + } + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + needcdef = 1; + switch (jas_clrspc_fam(jas_image_clrspc(image))) { + case JAS_CLRSPC_FAM_RGB: + if (jas_image_cmpttype(image, 0) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R) && + jas_image_cmpttype(image, 1) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G) && + jas_image_cmpttype(image, 2) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)) + needcdef = 0; + break; + case JAS_CLRSPC_FAM_YCBCR: + if (jas_image_cmpttype(image, 0) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y) && + jas_image_cmpttype(image, 1) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB) && + jas_image_cmpttype(image, 2) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR)) + needcdef = 0; + break; + case JAS_CLRSPC_FAM_GRAY: + if (jas_image_cmpttype(image, 0) == + JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y)) + needcdef = 0; + break; + default: + abort(); + break; + } + + if (needcdef) { + if (!(box = jp2_box_create(JP2_BOX_CDEF))) { + goto error; + } + cdef = &box->data.cdef; + cdef->numchans = jas_image_numcmpts(image); + cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)); + for (i = 0; i < jas_image_numcmpts(image); ++i) { + cdefchanent = &cdef->ents[i]; + cdefchanent->channo = i; + typeasoc = jp2_gettypeasoc(jas_image_clrspc(image), jas_image_cmpttype(image, i)); + cdefchanent->type = typeasoc >> 16; + cdefchanent->assoc = typeasoc & 0x7fff; + } + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + } + + /* Determine the total length of the JP2 header box. */ + + len = jas_stream_tell(tmpstream); + jas_stream_rewind(tmpstream); + + /* + * Output the JP2 header box and all of the boxes which it contains. + */ + + if (!(box = jp2_box_create(JP2_BOX_JP2H))) { + goto error; + } + box->len = len + JP2_BOX_HDRLEN(false); + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + if (jas_stream_copy(out, tmpstream, len)) { + goto error; + } + + jas_stream_close(tmpstream); + tmpstream = 0; + + /* + * Output the contiguous code stream box. + */ + + if (!(box = jp2_box_create(JP2_BOX_JP2C))) { + goto error; + } + box->len = 0; + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Output the JPEG-2000 code stream. */ + + overhead = jas_stream_getrwcount(out); + sprintf(buf, "%s\n_jp2overhead=%lu\n", (optstr ? optstr : ""), + (unsigned long) overhead); + + if (jpc_encode(image, out, buf)) { + goto error; + } + + return 0; + abort(); + +error: + + if (box) { + jp2_box_destroy(box); + } + if (tmpstream) { + jas_stream_close(tmpstream); + } + return -1; +} + +static uint_fast32_t jp2_gettypeasoc(int colorspace, int ctype) +{ + int type; + int asoc; + + if (ctype & JAS_IMAGE_CT_OPACITY) { + type = JP2_CDEF_TYPE_OPACITY; + asoc = JP2_CDEF_ASOC_ALL; + goto done; + } + + type = JP2_CDEF_TYPE_UNSPEC; + asoc = JP2_CDEF_ASOC_NONE; + switch (jas_clrspc_fam(colorspace)) { + case JAS_CLRSPC_FAM_RGB: + switch (JAS_IMAGE_CT_COLOR(ctype)) { + case JAS_IMAGE_CT_RGB_R: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_RGB_R; + break; + case JAS_IMAGE_CT_RGB_G: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_RGB_G; + break; + case JAS_IMAGE_CT_RGB_B: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_RGB_B; + break; + } + break; + case JAS_CLRSPC_FAM_YCBCR: + switch (JAS_IMAGE_CT_COLOR(ctype)) { + case JAS_IMAGE_CT_YCBCR_Y: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_YCBCR_Y; + break; + case JAS_IMAGE_CT_YCBCR_CB: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_YCBCR_CB; + break; + case JAS_IMAGE_CT_YCBCR_CR: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_YCBCR_CR; + break; + } + break; + case JAS_CLRSPC_FAM_GRAY: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_GRAY_Y; + break; + } + +done: + return (type << 16) | asoc; +} + +static int clrspctojp2(jas_clrspc_t clrspc) +{ + switch (clrspc) { + case JAS_CLRSPC_SRGB: + return JP2_COLR_SRGB; + case JAS_CLRSPC_SYCBCR: + return JP2_COLR_SYCC; + case JAS_CLRSPC_SGRAY: + return JP2_COLR_SGRAY; + default: + abort(); + break; + } +} |