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Diffstat (limited to 'extern/libopenjpeg/jp2.c')
| -rw-r--r-- | extern/libopenjpeg/jp2.c | 1325 |
1 files changed, 0 insertions, 1325 deletions
diff --git a/extern/libopenjpeg/jp2.c b/extern/libopenjpeg/jp2.c deleted file mode 100644 index d3322603c8b..00000000000 --- a/extern/libopenjpeg/jp2.c +++ /dev/null @@ -1,1325 +0,0 @@ -/* - * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2007, Professor Benoit Macq - * Copyright (c) 2001-2003, David Janssens - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe - * Copyright (c) 2005, Herve Drolon, FreeImage Team - * Copyright (c) 2010-2011, Kaori Hagihara - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -#include "opj_includes.h" -#include <assert.h> - -/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */ -/*@{*/ - -/** @name Local static functions */ -/*@{*/ - -/** -Read box headers -@param cinfo Codec context info -@param cio Input stream -@param box -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box); -/*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/ -/** -Read the IHDR box - Image Header box -@param jp2 JP2 handle -@param cio Input buffer stream -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio); -static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio); -static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio); -static opj_bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio); -static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio); -/** -Write the FTYP box - File type box -@param jp2 JP2 handle -@param cio Output buffer stream -*/ -static void jp2_write_ftyp(opj_jp2_t *jp2, opj_cio_t *cio); -/** -Read the FTYP box - File type box -@param jp2 JP2 handle -@param cio Input buffer stream -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio); -static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info); -static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset); -static void jp2_write_jp(opj_cio_t *cio); -/** -Read the JP box - JPEG 2000 signature -@param jp2 JP2 handle -@param cio Input buffer stream -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio); -/** -Decode the structure of a JP2 file -@param jp2 JP2 handle -@param cio Input buffer stream -@param color Collector for profile, cdef and pclr data -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_color_t *color); -/** -Apply collected palette data -@param color Collector for profile, cdef and pclr data -@param image -*/ -static void jp2_apply_pclr(opj_jp2_color_t *color, opj_image_t *image, opj_common_ptr cinfo); -/** -Collect palette data -@param jp2 JP2 handle -@param cio Input buffer stream -@param box -@param color Collector for profile, cdef and pclr data -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color); -/** -Collect component mapping data -@param jp2 JP2 handle -@param cio Input buffer stream -@param box -@param color Collector for profile, cdef and pclr data -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color); -/** -Collect colour specification data -@param jp2 JP2 handle -@param cio Input buffer stream -@param box -@param color Collector for profile, cdef and pclr data -@return Returns true if successful, returns false otherwise -*/ -static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color); -/** -Write file Index (superbox) -@param[in] offset_jp2c offset of jp2c box -@param[in] length_jp2c length of jp2c box -@param[in] offset_idx offset of cidx box -@param[in] length_idx length of cidx box -@param[in] cio file output handle -@return length of fidx box -*/ -static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio); -/** -Write index Finder box -@param[in] offset offset of fidx box -@param[in] length length of fidx box -@param[in] cio file output handle -*/ -static void write_iptr( int offset, int length, opj_cio_t *cio); -/** -Write proxy box -@param[in] offset_jp2c offset of jp2c box -@param[in] length_jp2c length of jp2c box -@param[in] offset_idx offset of cidx box -@param[in] length_idx length of cidx box -@param[in] cio file output handle -*/ -static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio); -/*@}*/ - -/*@}*/ - -/* ----------------------------------------------------------------------- */ - -static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box) { - box->init_pos = cio_tell(cio); - box->length = cio_read(cio, 4); - box->type = cio_read(cio, 4); - if (box->length == 1) { - if (cio_read(cio, 4) != 0) { - opj_event_msg(cinfo, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n"); - return OPJ_FALSE; - } - box->length = cio_read(cio, 4); - if (box->length == 0) - box->length = cio_numbytesleft(cio) + 12; - } - else if (box->length == 0) { - box->length = cio_numbytesleft(cio) + 8; - } else if (box->length < 0) { - opj_event_msg(cinfo, EVT_ERROR, "Integer overflow in box->length\n"); - return OPJ_FALSE; /* TODO: actually check jp2_read_boxhdr's return value */ - } - - return OPJ_TRUE; -} - -#if 0 -static void jp2_write_url(opj_cio_t *cio, char *Idx_file) { - unsigned int i; - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_URL, 4); /* DBTL */ - cio_write(cio, 0, 1); /* VERS */ - cio_write(cio, 0, 3); /* FLAG */ - - if(Idx_file) { - for (i = 0; i < strlen(Idx_file); i++) { - cio_write(cio, Idx_file[i], 1); - } - } - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} -#endif - -static opj_bool jp2_read_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) { - opj_jp2_box_t box; - - opj_common_ptr cinfo = jp2->cinfo; - - if(jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) { - opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n"); - return OPJ_FALSE; - } - if (JP2_IHDR != box.type) { - opj_event_msg(cinfo, EVT_ERROR, "Expected IHDR Marker\n"); - return OPJ_FALSE; - } - - jp2->h = cio_read(cio, 4); /* HEIGHT */ - jp2->w = cio_read(cio, 4); /* WIDTH */ - jp2->numcomps = cio_read(cio, 2); /* NC */ - jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t)); - - jp2->bpc = cio_read(cio, 1); /* BPC */ - - jp2->C = cio_read(cio, 1); /* C */ - jp2->UnkC = cio_read(cio, 1); /* UnkC */ - jp2->IPR = cio_read(cio, 1); /* IPR */ - - if (cio_tell(cio) - box.init_pos != box.length) { - opj_event_msg(cinfo, EVT_ERROR, "Error with IHDR Box\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) { - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_IHDR, 4); /* IHDR */ - - cio_write(cio, jp2->h, 4); /* HEIGHT */ - cio_write(cio, jp2->w, 4); /* WIDTH */ - cio_write(cio, jp2->numcomps, 2); /* NC */ - - cio_write(cio, jp2->bpc, 1); /* BPC */ - - cio_write(cio, jp2->C, 1); /* C : Always 7 */ - cio_write(cio, jp2->UnkC, 1); /* UnkC, colorspace unknown */ - cio_write(cio, jp2->IPR, 1); /* IPR, no intellectual property */ - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} - -static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) { - unsigned int i; - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_BPCC, 4); /* BPCC */ - - for (i = 0; i < jp2->numcomps; i++) { - cio_write(cio, jp2->comps[i].bpcc, 1); - } - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} - - -static opj_bool jp2_read_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) { - unsigned int i; - opj_jp2_box_t box; - - opj_common_ptr cinfo = jp2->cinfo; - - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) { - opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n"); - return OPJ_FALSE; - } - if (JP2_BPCC != box.type) { - opj_event_msg(cinfo, EVT_ERROR, "Expected BPCC Marker\n"); - return OPJ_FALSE; - } - - for (i = 0; i < jp2->numcomps; i++) { - jp2->comps[i].bpcc = cio_read(cio, 1); - } - - if (cio_tell(cio) - box.init_pos != box.length) { - opj_event_msg(cinfo, EVT_ERROR, "Error with BPCC Box\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio) { - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_COLR, 4); /* COLR */ - - cio_write(cio, jp2->meth, 1); /* METH */ - cio_write(cio, jp2->precedence, 1); /* PRECEDENCE */ - cio_write(cio, jp2->approx, 1); /* APPROX */ - - if(jp2->meth == 2) - jp2->enumcs = 0; - - cio_write(cio, jp2->enumcs, 4); /* EnumCS */ - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} - -static void jp2_free_pclr(opj_jp2_color_t *color) -{ - opj_free(color->jp2_pclr->channel_sign); - opj_free(color->jp2_pclr->channel_size); - opj_free(color->jp2_pclr->entries); - - if(color->jp2_pclr->cmap) opj_free(color->jp2_pclr->cmap); - - opj_free(color->jp2_pclr); color->jp2_pclr = NULL; -} - -static void free_color_data(opj_jp2_color_t *color) -{ - if(color->jp2_pclr) - { - jp2_free_pclr(color); - } - if(color->jp2_cdef) - { - if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info); - opj_free(color->jp2_cdef); - } - if(color->icc_profile_buf) opj_free(color->icc_profile_buf); -} - -static void jp2_apply_pclr(opj_jp2_color_t *color, opj_image_t *image, opj_common_ptr cinfo) -{ - opj_image_comp_t *old_comps, *new_comps; - unsigned char *channel_size, *channel_sign; - unsigned int *entries; - opj_jp2_cmap_comp_t *cmap; - int *src, *dst; - unsigned int j, max; - unsigned short i, nr_channels, cmp, pcol; - int k, top_k; - - channel_size = color->jp2_pclr->channel_size; - channel_sign = color->jp2_pclr->channel_sign; - entries = color->jp2_pclr->entries; - cmap = color->jp2_pclr->cmap; - nr_channels = color->jp2_pclr->nr_channels; - - old_comps = image->comps; - new_comps = (opj_image_comp_t*) - opj_malloc(nr_channels * sizeof(opj_image_comp_t)); - - for(i = 0; i < nr_channels; ++i) - { - pcol = cmap[i].pcol; cmp = cmap[i].cmp; - - if( pcol < nr_channels ) - new_comps[pcol] = old_comps[cmp]; - else - { - opj_event_msg(cinfo, EVT_ERROR, "Error with pcol value %d (max: %d). skipping\n", pcol, nr_channels); - continue; - } - - if(cmap[i].mtyp == 0) /* Direct use */ - { - old_comps[cmp].data = NULL; continue; - } -/* Palette mapping: */ - new_comps[pcol].data = (int*) - opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(int)); - new_comps[pcol].prec = channel_size[i]; - new_comps[pcol].sgnd = channel_sign[i]; - } - top_k = color->jp2_pclr->nr_entries - 1; - - for(i = 0; i < nr_channels; ++i) - { -/* Direct use: */ - if(cmap[i].mtyp == 0) continue; - -/* Palette mapping: */ - cmp = cmap[i].cmp; pcol = cmap[i].pcol; - src = old_comps[cmp].data; - dst = new_comps[pcol].data; - max = new_comps[pcol].w * new_comps[pcol].h; - - for(j = 0; j < max; ++j) - { -/* The index */ - if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k; -/* The colour */ - dst[j] = entries[k * nr_channels + pcol]; - } - } - max = image->numcomps; - for(i = 0; i < max; ++i) - { - if(old_comps[i].data) opj_free(old_comps[i].data); - } - opj_free(old_comps); - image->comps = new_comps; - image->numcomps = nr_channels; - - jp2_free_pclr(color); - -}/* apply_pclr() */ - -static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color) -{ - opj_jp2_pclr_t *jp2_pclr; - unsigned char *channel_size, *channel_sign; - unsigned int *entries; - unsigned short nr_entries, nr_channels; - unsigned short i, j; - unsigned char uc; - - OPJ_ARG_NOT_USED(box); - OPJ_ARG_NOT_USED(jp2); - -/* Part 1, I.5.3.4: 'There shall be at most one Palette box inside - * a JP2 Header box' : -*/ - if(color->jp2_pclr) return OPJ_FALSE; - - nr_entries = (unsigned short)cio_read(cio, 2); /* NE */ - nr_channels = (unsigned short)cio_read(cio, 1);/* NPC */ - - entries = (unsigned int*) - opj_malloc(nr_channels * nr_entries * sizeof(unsigned int)); - channel_size = (unsigned char*)opj_malloc(nr_channels); - channel_sign = (unsigned char*)opj_malloc(nr_channels); - - jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t)); - jp2_pclr->channel_sign = channel_sign; - jp2_pclr->channel_size = channel_size; - jp2_pclr->entries = entries; - jp2_pclr->nr_entries = nr_entries; - jp2_pclr->nr_channels = nr_channels; - jp2_pclr->cmap = NULL; - - color->jp2_pclr = jp2_pclr; - - for(i = 0; i < nr_channels; ++i) - { - uc = cio_read(cio, 1); /* Bi */ - channel_size[i] = (uc & 0x7f) + 1; - channel_sign[i] = (uc & 0x80)?1:0; - } - - for(j = 0; j < nr_entries; ++j) - { - for(i = 0; i < nr_channels; ++i) - { -/* Cji */ - *entries++ = cio_read(cio, (channel_size[i]+7)>>3); - } - } - - return OPJ_TRUE; -}/* jp2_read_pclr() */ - -static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color) -{ - opj_jp2_cmap_comp_t *cmap; - unsigned short i, nr_channels; - - OPJ_ARG_NOT_USED(box); - OPJ_ARG_NOT_USED(jp2); - -/* Need nr_channels: */ - if(color->jp2_pclr == NULL) return OPJ_FALSE; - -/* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box - * inside a JP2 Header box' : -*/ - if(color->jp2_pclr->cmap) return OPJ_FALSE; - - nr_channels = color->jp2_pclr->nr_channels; - cmap = (opj_jp2_cmap_comp_t*) - opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t)); - - for(i = 0; i < nr_channels; ++i) - { - cmap[i].cmp = (unsigned short)cio_read(cio, 2); - cmap[i].mtyp = cio_read(cio, 1); - cmap[i].pcol = cio_read(cio, 1); - - } - color->jp2_pclr->cmap = cmap; - - return OPJ_TRUE; -}/* jp2_read_cmap() */ - -static void jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color) -{ - opj_jp2_cdef_info_t *info; - unsigned short i, n, cn, typ, asoc, acn; - - info = color->jp2_cdef->info; - n = color->jp2_cdef->n; - - for(i = 0; i < n; ++i) - { -/* WATCH: acn = asoc - 1 ! */ - if((asoc = info[i].asoc) == 0) continue; - - cn = info[i].cn; typ = info[i].typ; acn = asoc - 1; - (void)typ; - - if(cn != acn) - { - opj_image_comp_t saved; - - memcpy(&saved, &image->comps[cn], sizeof(opj_image_comp_t)); - memcpy(&image->comps[cn], &image->comps[acn], sizeof(opj_image_comp_t)); - memcpy(&image->comps[acn], &saved, sizeof(opj_image_comp_t)); - - info[i].asoc = cn + 1; - info[acn].asoc = info[acn].cn + 1; - } - } - if(color->jp2_cdef->info) opj_free(color->jp2_cdef->info); - - opj_free(color->jp2_cdef); color->jp2_cdef = NULL; - -}/* jp2_apply_cdef() */ - -static opj_bool jp2_read_cdef(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color) -{ - opj_jp2_cdef_info_t *info; - unsigned short i, n; - - OPJ_ARG_NOT_USED(box); - OPJ_ARG_NOT_USED(jp2); - -/* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box - * inside a JP2 Header box.' -*/ - if(color->jp2_cdef) return OPJ_FALSE; - - if((n = (unsigned short)cio_read(cio, 2)) == 0) return OPJ_FALSE; /* szukw000: FIXME */ - - info = (opj_jp2_cdef_info_t*) - opj_malloc(n * sizeof(opj_jp2_cdef_info_t)); - - color->jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t)); - color->jp2_cdef->info = info; - color->jp2_cdef->n = n; - - for(i = 0; i < n; ++i) - { - info[i].cn = (unsigned short)cio_read(cio, 2); - info[i].typ = (unsigned short)cio_read(cio, 2); - info[i].asoc = (unsigned short)cio_read(cio, 2); - - } - return OPJ_TRUE; -}/* jp2_read_cdef() */ - -static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_box_t *box, opj_jp2_color_t *color) -{ - int skip_len; - opj_common_ptr cinfo; - -/* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour - * Specification boxes after the first.' -*/ - if(color->jp2_has_colr) return OPJ_FALSE; - - cinfo = jp2->cinfo; - - jp2->meth = cio_read(cio, 1); /* METH */ - jp2->precedence = cio_read(cio, 1); /* PRECEDENCE */ - jp2->approx = cio_read(cio, 1); /* APPROX */ - - if (jp2->meth == 1) - { - jp2->enumcs = cio_read(cio, 4); /* EnumCS */ - } - else - if (jp2->meth == 2) - { -/* skip PROFILE */ - skip_len = box->init_pos + box->length - cio_tell(cio); - if (skip_len < 0) - { - opj_event_msg(cinfo, EVT_ERROR, "Error with COLR box size\n"); - return OPJ_FALSE; - } - if(skip_len > 0) - { - unsigned char *start; - - start = cio_getbp(cio); - color->icc_profile_buf = (unsigned char*)opj_malloc(skip_len); - color->icc_profile_len = skip_len; - - cio_skip(cio, box->init_pos + box->length - cio_tell(cio)); - - memcpy(color->icc_profile_buf, start, skip_len); - } - } - - if (cio_tell(cio) - box->init_pos != box->length) - { - opj_event_msg(cinfo, EVT_ERROR, "Error with COLR Box\n"); - return OPJ_FALSE; - } - color->jp2_has_colr = 1; - - return OPJ_TRUE; -}/* jp2_read_colr() */ - -opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color) -{ - opj_jp2_box_t box; - int jp2h_end; - - opj_common_ptr cinfo = jp2->cinfo; - - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - do { - if (JP2_JP2H != box.type) - { - if (box.type == JP2_JP2C) - { - opj_event_msg(cinfo, EVT_ERROR, "Expected JP2H Marker\n"); - return OPJ_FALSE; - } - if (box.length <= 8) return OPJ_FALSE; - cio_skip(cio, box.length - 8); - - if(cio->bp >= cio->end) return OPJ_FALSE; - - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - } - } while(JP2_JP2H != box.type); - - if (!jp2_read_ihdr(jp2, cio)) - return OPJ_FALSE; - jp2h_end = box.init_pos + box.length; - - if (jp2->bpc == 255) - { - if (!jp2_read_bpcc(jp2, cio)) - return OPJ_FALSE; - } - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - - while(cio_tell(cio) < jp2h_end) - { - if(box.type == JP2_COLR) - { - if( !jp2_read_colr(jp2, cio, &box, color)) - { - if (box.length <= 8) return OPJ_FALSE; - cio_seek(cio, box.init_pos + 8); - cio_skip(cio, box.length - 8); - } - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - continue; - } - if(box.type == JP2_CDEF && !jp2->ignore_pclr_cmap_cdef) - { - if( !jp2_read_cdef(jp2, cio, &box, color)) - { - if (box.length <= 8) return OPJ_FALSE; - cio_seek(cio, box.init_pos + 8); - cio_skip(cio, box.length - 8); - } - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - continue; - } - if(box.type == JP2_PCLR && !jp2->ignore_pclr_cmap_cdef) - { - if( !jp2_read_pclr(jp2, cio, &box, color)) - { - if (box.length <= 8) return OPJ_FALSE; - cio_seek(cio, box.init_pos + 8); - cio_skip(cio, box.length - 8); - } - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - continue; - } - if(box.type == JP2_CMAP && !jp2->ignore_pclr_cmap_cdef) - { - if( !jp2_read_cmap(jp2, cio, &box, color)) - { - if (box.length <= 8) return OPJ_FALSE; - cio_seek(cio, box.init_pos + 8); - cio_skip(cio, box.length - 8); - } - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - continue; - } - if (box.length <= 8) return OPJ_FALSE; - cio_seek(cio, box.init_pos + 8); - cio_skip(cio, box.length - 8); - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - - }/* while(cio_tell(cio) < box_end) */ - - cio_seek(cio, jp2h_end); - - /* Part 1, I.5.3.3 : 'must contain at least one' */ - return (color->jp2_has_colr == 1); - -}/* jp2_read_jp2h() */ - -static opj_bool opj_jp2_check_color(opj_image_t *image, opj_jp2_color_t *color, opj_common_ptr cinfo) -{ - int i; - - /* testcase 4149.pdf.SIGSEGV.cf7.3501 */ - if (color->jp2_cdef) { - opj_jp2_cdef_info_t *info = color->jp2_cdef->info; - int n = color->jp2_cdef->n; - - for (i = 0; i < n; i++) { - if (info[i].cn >= image->numcomps) { - opj_event_msg(cinfo, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].cn, image->numcomps); - return OPJ_FALSE; - } - if (info[i].asoc > 0 && (info[i].asoc - 1) >= image->numcomps) { - opj_event_msg(cinfo, EVT_ERROR, "Invalid component index %d (>= %d).\n", info[i].asoc - 1, image->numcomps); - return OPJ_FALSE; - } - } - } - - /* testcases 451.pdf.SIGSEGV.f4c.3723, 451.pdf.SIGSEGV.5b5.3723 and - 66ea31acbb0f23a2bbc91f64d69a03f5_signal_sigsegv_13937c0_7030_5725.pdf */ - if (color->jp2_pclr && color->jp2_pclr->cmap) { - int nr_channels = color->jp2_pclr->nr_channels; - opj_jp2_cmap_comp_t *cmap = color->jp2_pclr->cmap; - opj_bool *pcol_usage, is_sane = OPJ_TRUE; - - /* verify that all original components match an existing one */ - for (i = 0; i < nr_channels; i++) { - if (cmap[i].cmp >= image->numcomps) { - opj_event_msg(cinfo, EVT_ERROR, "Invalid component index %d (>= %d).\n", cmap[i].cmp, image->numcomps); - is_sane = OPJ_FALSE; - } - } - - pcol_usage = opj_calloc(nr_channels, sizeof(opj_bool)); - if (!pcol_usage) { - opj_event_msg(cinfo, EVT_ERROR, "Unexpected OOM.\n"); - return OPJ_FALSE; - } - /* verify that no component is targeted more than once */ - for (i = 0; i < nr_channels; i++) { - int pcol = cmap[i].pcol; - assert(cmap[i].mtyp == 0 || cmap[i].mtyp == 1); - if (pcol >= nr_channels) { - opj_event_msg(cinfo, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol); - is_sane = OPJ_FALSE; - } - else if (pcol_usage[pcol] && cmap[i].mtyp == 1) { - opj_event_msg(cinfo, EVT_ERROR, "Component %d is mapped twice.\n", pcol); - is_sane = OPJ_FALSE; - } - else if (cmap[i].mtyp == 0 && cmap[i].pcol != 0) { - /* I.5.3.5 PCOL: If the value of the MTYP field for this channel is 0, then - * the value of this field shall be 0. */ - opj_event_msg(cinfo, EVT_ERROR, "Direct use at #%d however pcol=%d.\n", i, pcol); - is_sane = OPJ_FALSE; - } - else - pcol_usage[pcol] = OPJ_TRUE; - } - /* verify that all components are targeted at least once */ - for (i = 0; i < nr_channels; i++) { - if (!pcol_usage[i] && cmap[i].mtyp != 0) { - opj_event_msg(cinfo, EVT_ERROR, "Component %d doesn't have a mapping.\n", i); - is_sane = OPJ_FALSE; - } - } - opj_free(pcol_usage); - if (!is_sane) { - return OPJ_FALSE; - } - } - - return OPJ_TRUE; -} - -opj_image_t* opj_jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio, - opj_codestream_info_t *cstr_info) -{ - opj_common_ptr cinfo; - opj_image_t *image = NULL; - opj_jp2_color_t color; - - if(!jp2 || !cio) - { - return NULL; - } - memset(&color, 0, sizeof(opj_jp2_color_t)); - cinfo = jp2->cinfo; - -/* JP2 decoding */ - if(!jp2_read_struct(jp2, cio, &color)) - { - free_color_data(&color); - opj_event_msg(cinfo, EVT_ERROR, "Failed to decode jp2 structure\n"); - return NULL; - } - -/* J2K decoding */ - image = j2k_decode(jp2->j2k, cio, cstr_info); - - if(!image) - { - free_color_data(&color); - opj_event_msg(cinfo, EVT_ERROR, "Failed to decode J2K image\n"); - return NULL; - } - - if (!jp2->ignore_pclr_cmap_cdef){ - if (!opj_jp2_check_color(image, &color, cinfo)) { - opj_event_msg(cinfo, EVT_ERROR, "Failed to decode PCRL box\n"); - return NULL; - } - - /* Set Image Color Space */ - if (jp2->enumcs == 16) - image->color_space = CLRSPC_SRGB; - else if (jp2->enumcs == 17) - image->color_space = CLRSPC_GRAY; - else if (jp2->enumcs == 18) - image->color_space = CLRSPC_SYCC; - else - image->color_space = CLRSPC_UNKNOWN; - - if(color.jp2_cdef) - { - jp2_apply_cdef(image, &color); - } - if(color.jp2_pclr) - { -/* Part 1, I.5.3.4: Either both or none : */ - if( !color.jp2_pclr->cmap) - jp2_free_pclr(&color); - else - jp2_apply_pclr(&color, image, cinfo); - } - if(color.icc_profile_buf) - { - image->icc_profile_buf = color.icc_profile_buf; - color.icc_profile_buf = NULL; - image->icc_profile_len = color.icc_profile_len; - } - } - - return image; - -}/* opj_jp2_decode() */ - - -void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio) { - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_JP2H, 4); /* JP2H */ - - jp2_write_ihdr(jp2, cio); - - if (jp2->bpc == 255) { - jp2_write_bpcc(jp2, cio); - } - jp2_write_colr(jp2, cio); - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} - -static void jp2_write_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) { - unsigned int i; - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_FTYP, 4); /* FTYP */ - - cio_write(cio, jp2->brand, 4); /* BR */ - cio_write(cio, jp2->minversion, 4); /* MinV */ - - for (i = 0; i < jp2->numcl; i++) { - cio_write(cio, jp2->cl[i], 4); /* CL */ - } - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} - -static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) { - int i; - opj_jp2_box_t box; - - opj_common_ptr cinfo = jp2->cinfo; - - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) { - opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n"); - return OPJ_FALSE; - } - if (JP2_FTYP != box.type) { - opj_event_msg(cinfo, EVT_ERROR, "Expected FTYP Marker\n"); - return OPJ_FALSE; - } - - jp2->brand = cio_read(cio, 4); /* BR */ - jp2->minversion = cio_read(cio, 4); /* MinV */ - jp2->numcl = (box.length - 16) / 4; - - /* edf_c2_1673169.jp2 */ - if (cio_numbytesleft(cio) < ((int)jp2->numcl * 4)) { - opj_event_msg(cinfo, EVT_ERROR, "Not enough bytes in FTYP Box " - "(expected %d, but only %d left)\n", - ((int)jp2->numcl * 4), cio_numbytesleft(cio)); - return OPJ_FALSE; - } - jp2->cl = (unsigned int *) opj_malloc(jp2->numcl * sizeof(unsigned int)); - - for (i = 0; i < (int)jp2->numcl; i++) { - jp2->cl[i] = cio_read(cio, 4); /* CLi */ - } - - if (cio_tell(cio) - box.init_pos != box.length) { - opj_event_msg(cinfo, EVT_ERROR, "Error with FTYP Box\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - -static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) { - unsigned int j2k_codestream_offset, j2k_codestream_length; - opj_jp2_box_t box; - - opj_j2k_t *j2k = jp2->j2k; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_JP2C, 4); /* JP2C */ - - /* J2K encoding */ - j2k_codestream_offset = cio_tell(cio); - if(!j2k_encode(j2k, cio, image, cstr_info)) { - opj_event_msg(j2k->cinfo, EVT_ERROR, "Failed to encode image\n"); - return 0; - } - j2k_codestream_length = cio_tell(cio) - j2k_codestream_offset; - - jp2->j2k_codestream_offset = j2k_codestream_offset; - jp2->j2k_codestream_length = j2k_codestream_length; - - box.length = 8 + jp2->j2k_codestream_length; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); - - return box.length; -} - -static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset) { - opj_jp2_box_t box; - - opj_common_ptr cinfo = jp2->cinfo; - - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) { - opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n"); - return OPJ_FALSE; - } - do { - if(JP2_JP2C != box.type) { - if (box.length <= 8) return OPJ_FALSE; - cio_skip(cio, box.length - 8); - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) return OPJ_FALSE; - } - } while(JP2_JP2C != box.type); - - *j2k_codestream_offset = cio_tell(cio); - if (box.length <= 8) return OPJ_FALSE; - *j2k_codestream_length = box.length - 8; - - return OPJ_TRUE; -} - -static void jp2_write_jp(opj_cio_t *cio) { - opj_jp2_box_t box; - - box.init_pos = cio_tell(cio); - cio_skip(cio, 4); - cio_write(cio, JP2_JP, 4); /* JP2 signature */ - cio_write(cio, 0x0d0a870a, 4); - - box.length = cio_tell(cio) - box.init_pos; - cio_seek(cio, box.init_pos); - cio_write(cio, box.length, 4); /* L */ - cio_seek(cio, box.init_pos + box.length); -} - -static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio) { - opj_jp2_box_t box; - - opj_common_ptr cinfo = jp2->cinfo; - - if( jp2_read_boxhdr(cinfo, cio, &box) == OPJ_FALSE ) { - opj_event_msg(cinfo, EVT_ERROR, "Failed to read boxhdr\n"); - return OPJ_FALSE; - } - if (JP2_JP != box.type) { - opj_event_msg(cinfo, EVT_ERROR, "Expected JP Marker\n"); - return OPJ_FALSE; - } - if (0x0d0a870a != cio_read(cio, 4)) { - opj_event_msg(cinfo, EVT_ERROR, "Error with JP Marker\n"); - return OPJ_FALSE; - } - if (cio_tell(cio) - box.init_pos != box.length) { - opj_event_msg(cinfo, EVT_ERROR, "Error with JP Box size\n"); - return OPJ_FALSE; - } - - return OPJ_TRUE; -} - - -static opj_bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio, - opj_jp2_color_t *color) { - if (!jp2_read_jp(jp2, cio)) - return OPJ_FALSE; - if (!jp2_read_ftyp(jp2, cio)) - return OPJ_FALSE; - if (!jp2_read_jp2h(jp2, cio, color)) - return OPJ_FALSE; - if (!jp2_read_jp2c(jp2, cio, &jp2->j2k_codestream_length, &jp2->j2k_codestream_offset)) - return OPJ_FALSE; - - return OPJ_TRUE; -} - - -static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio) -{ - int len, lenp; - - lenp = cio_tell( cio); - cio_skip( cio, 4); /* L [at the end] */ - cio_write( cio, JPIP_FIDX, 4); /* IPTR */ - - write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio); - - len = cio_tell( cio)-lenp; - cio_seek( cio, lenp); - cio_write( cio, len, 4); /* L */ - cio_seek( cio, lenp+len); - - return len; -} - -static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio) -{ - int len, lenp; - - lenp = cio_tell( cio); - cio_skip( cio, 4); /* L [at the end] */ - cio_write( cio, JPIP_PRXY, 4); /* IPTR */ - - cio_write( cio, offset_jp2c, 8); /* OOFF */ - cio_write( cio, length_jp2c, 4); /* OBH part 1 */ - cio_write( cio, JP2_JP2C, 4); /* OBH part 2 */ - - cio_write( cio, 1,1); /* NI */ - - cio_write( cio, offset_idx, 8); /* IOFF */ - cio_write( cio, length_idx, 4); /* IBH part 1 */ - cio_write( cio, JPIP_CIDX, 4); /* IBH part 2 */ - - len = cio_tell( cio)-lenp; - cio_seek( cio, lenp); - cio_write( cio, len, 4); /* L */ - cio_seek( cio, lenp+len); -} - -static void write_iptr( int offset, int length, opj_cio_t *cio) -{ - int len, lenp; - - lenp = cio_tell( cio); - cio_skip( cio, 4); /* L [at the end] */ - cio_write( cio, JPIP_IPTR, 4); /* IPTR */ - - cio_write( cio, offset, 8); - cio_write( cio, length, 8); - - len = cio_tell( cio)-lenp; - cio_seek( cio, lenp); - cio_write( cio, len, 4); /* L */ - cio_seek( cio, lenp+len); -} - - -/* ----------------------------------------------------------------------- */ -/* JP2 decoder interface */ -/* ----------------------------------------------------------------------- */ - -opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo) { - opj_jp2_t *jp2 = (opj_jp2_t*) opj_calloc(1, sizeof(opj_jp2_t)); - if(jp2) { - jp2->cinfo = cinfo; - /* create the J2K codec */ - jp2->j2k = j2k_create_decompress(cinfo); - if(jp2->j2k == NULL) { - jp2_destroy_decompress(jp2); - return NULL; - } - } - return jp2; -} - -void jp2_destroy_decompress(opj_jp2_t *jp2) { - if(jp2) { - /* destroy the J2K codec */ - j2k_destroy_decompress(jp2->j2k); - - if(jp2->comps) { - opj_free(jp2->comps); - } - if(jp2->cl) { - opj_free(jp2->cl); - } - opj_free(jp2); - } -} - -void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters) { - /* setup the J2K codec */ - j2k_setup_decoder(jp2->j2k, parameters); - /* further JP2 initializations go here */ - jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG; -} - -/* ----------------------------------------------------------------------- */ -/* JP2 encoder interface */ -/* ----------------------------------------------------------------------- */ - -opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo) { - opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t)); - if(jp2) { - memset(jp2, 0, sizeof(opj_jp2_t)); - jp2->cinfo = cinfo; - /* create the J2K codec */ - jp2->j2k = j2k_create_compress(cinfo); - if(jp2->j2k == NULL) { - jp2_destroy_compress(jp2); - return NULL; - } - } - return jp2; -} - -void jp2_destroy_compress(opj_jp2_t *jp2) { - if(jp2) { - /* destroy the J2K codec */ - j2k_destroy_compress(jp2->j2k); - - if(jp2->comps) { - opj_free(jp2->comps); - } - if(jp2->cl) { - opj_free(jp2->cl); - } - opj_free(jp2); - } -} - -void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image) { - int i; - int depth_0, sign; - - if(!jp2 || !parameters || !image) - return; - - /* setup the J2K codec */ - /* ------------------- */ - - /* Check if number of components respects standard */ - if (image->numcomps < 1 || image->numcomps > 16384) { - opj_event_msg(jp2->cinfo, EVT_ERROR, "Invalid number of components specified while setting up JP2 encoder\n"); - return; - } - - j2k_setup_encoder(jp2->j2k, parameters, image); - - /* setup the JP2 codec */ - /* ------------------- */ - - /* Profile box */ - - jp2->brand = JP2_JP2; /* BR */ - jp2->minversion = 0; /* MinV */ - jp2->numcl = 1; - jp2->cl = (unsigned int*) opj_malloc(jp2->numcl * sizeof(unsigned int)); - jp2->cl[0] = JP2_JP2; /* CL0 : JP2 */ - - /* Image Header box */ - - jp2->numcomps = image->numcomps; /* NC */ - jp2->comps = (opj_jp2_comps_t*) opj_malloc(jp2->numcomps * sizeof(opj_jp2_comps_t)); - jp2->h = image->y1 - image->y0; /* HEIGHT */ - jp2->w = image->x1 - image->x0; /* WIDTH */ - /* BPC */ - depth_0 = image->comps[0].prec - 1; - sign = image->comps[0].sgnd; - jp2->bpc = depth_0 + (sign << 7); - for (i = 1; i < image->numcomps; i++) { - int depth = image->comps[i].prec - 1; - sign = image->comps[i].sgnd; - if (depth_0 != depth) - jp2->bpc = 255; - } - jp2->C = 7; /* C : Always 7 */ - jp2->UnkC = 0; /* UnkC, colorspace specified in colr box */ - jp2->IPR = 0; /* IPR, no intellectual property */ - - /* BitsPerComponent box */ - - for (i = 0; i < image->numcomps; i++) { - jp2->comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7); - } - jp2->meth = 1; - if (image->color_space == 1) - jp2->enumcs = 16; /* sRGB as defined by IEC 61966-2.1 */ - else if (image->color_space == 2) - jp2->enumcs = 17; /* greyscale */ - else if (image->color_space == 3) - jp2->enumcs = 18; /* YUV */ - jp2->precedence = 0; /* PRECEDENCE */ - jp2->approx = 0; /* APPROX */ - - jp2->jpip_on = parameters->jpip_on; -} - -opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) { - - int pos_iptr, pos_cidx, pos_jp2c, len_jp2c, len_cidx, end_pos, pos_fidx, len_fidx; - pos_jp2c = pos_iptr = -1; /* remove a warning */ - - /* JP2 encoding */ - - /* JPEG 2000 Signature box */ - jp2_write_jp(cio); - /* File Type box */ - jp2_write_ftyp(jp2, cio); - /* JP2 Header box */ - jp2_write_jp2h(jp2, cio); - - if( jp2->jpip_on){ - pos_iptr = cio_tell( cio); - cio_skip( cio, 24); /* IPTR further ! */ - - pos_jp2c = cio_tell( cio); - } - - /* J2K encoding */ - if(!(len_jp2c = jp2_write_jp2c( jp2, cio, image, cstr_info))){ - opj_event_msg(jp2->cinfo, EVT_ERROR, "Failed to encode image\n"); - return OPJ_FALSE; - } - - if( jp2->jpip_on){ - pos_cidx = cio_tell( cio); - - len_cidx = write_cidx( pos_jp2c+8, cio, image, *cstr_info, len_jp2c-8); - - pos_fidx = cio_tell( cio); - len_fidx = write_fidx( pos_jp2c, len_jp2c, pos_cidx, len_cidx, cio); - - end_pos = cio_tell( cio); - - cio_seek( cio, pos_iptr); - write_iptr( pos_fidx, len_fidx, cio); - - cio_seek( cio, end_pos); - } - - return OPJ_TRUE; -} |