diff options
Diffstat (limited to 'extern/libopenjpeg/cidx_manager.c')
| -rw-r--r-- | extern/libopenjpeg/cidx_manager.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/extern/libopenjpeg/cidx_manager.c b/extern/libopenjpeg/cidx_manager.c new file mode 100644 index 00000000000..6131b938ea6 --- /dev/null +++ b/extern/libopenjpeg/cidx_manager.c @@ -0,0 +1,213 @@ +/* + * $Id: cidx_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $ + * + * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2011, Professor Benoit Macq + * Copyright (c) 2003-2004, Yannick Verschueren + * 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 <stdio.h> +#include <stdlib.h> +#include "opj_includes.h" + + +/* + * Write CPTR Codestream finder box + * + * @param[in] coff offset of j2k codestream + * @param[in] clen length of j2k codestream + * @param[in] cio file output handle + */ +void write_cptr(int coff, int clen, opj_cio_t *cio); + + +/* + * Write main header index table (box) + * + * @param[in] coff offset of j2k codestream + * @param[in] cstr_info codestream information + * @param[in] cio file output handle + * @return length of mainmhix box + */ +int write_mainmhix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio); + + +/* + * Check if EPH option is used + * + * @param[in] coff offset of j2k codestream + * @param[in] markers marker information + * @param[in] marknum number of markers + * @param[in] cio file output handle + * @return true if EPH is used + */ +opj_bool check_EPHuse( int coff, opj_marker_info_t *markers, int marknum, opj_cio_t *cio); + + +int write_cidx( int offset, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t cstr_info, int j2klen) +{ + int len, i, lenp; + opj_jp2_box_t *box; + int num_box = 0; + opj_bool EPHused; + (void)image; /* unused ? */ + + lenp = -1; + box = (opj_jp2_box_t *)opj_calloc( 32, sizeof(opj_jp2_box_t)); + + for (i=0;i<2;i++){ + + if(i) + cio_seek( cio, lenp); + + lenp = cio_tell( cio); + + cio_skip( cio, 4); /* L [at the end] */ + cio_write( cio, JPIP_CIDX, 4); /* CIDX */ + write_cptr( offset, cstr_info.codestream_size, cio); + + write_manf( i, num_box, box, cio); + + num_box = 0; + box[num_box].length = write_mainmhix( offset, cstr_info, cio); + box[num_box].type = JPIP_MHIX; + num_box++; + + box[num_box].length = write_tpix( offset, cstr_info, j2klen, cio); + box[num_box].type = JPIP_TPIX; + num_box++; + + box[num_box].length = write_thix( offset, cstr_info, cio); + box[num_box].type = JPIP_THIX; + num_box++; + + EPHused = check_EPHuse( offset, cstr_info.marker, cstr_info.marknum, cio); + + box[num_box].length = write_ppix( offset, cstr_info, EPHused, j2klen, cio); + box[num_box].type = JPIP_PPIX; + num_box++; + + box[num_box].length = write_phix( offset, cstr_info, EPHused, j2klen, cio); + box[num_box].type = JPIP_PHIX; + num_box++; + + len = cio_tell( cio)-lenp; + cio_seek( cio, lenp); + cio_write( cio, len, 4); /* L */ + cio_seek( cio, lenp+len); + } + + opj_free( box); + + return len; +} + +void write_cptr(int coff, int clen, opj_cio_t *cio) +{ + int len, lenp; + + lenp = cio_tell( cio); + cio_skip( cio, 4); /* L [at the end] */ + cio_write( cio, JPIP_CPTR, 4); /* T */ + cio_write( cio, 0, 2); /* DR A PRECISER !! */ + cio_write( cio, 0, 2); /* CONT */ + cio_write( cio, coff, 8); /* COFF A PRECISER !! */ + cio_write( cio, clen, 8); /* CLEN */ + len = cio_tell( cio) - lenp; + cio_seek( cio, lenp); + cio_write( cio, len, 4); /* L */ + cio_seek( cio, lenp+len); +} + +void write_manf(int second, int v, opj_jp2_box_t *box, opj_cio_t *cio) +{ + int len, lenp, i; + + lenp = cio_tell( cio); + cio_skip( cio, 4); /* L [at the end] */ + cio_write( cio, JPIP_MANF,4); /* T */ + + if (second){ /* Write only during the second pass */ + for( i=0; i<v; i++){ + cio_write( cio, box[i].length, 4); /* Box length */ + cio_write( cio, box[i].type, 4); /* Box type */ + } + } + + len = cio_tell( cio) - lenp; + cio_seek( cio, lenp); + cio_write( cio, len, 4); /* L */ + cio_seek( cio, lenp+len); +} + +int write_mainmhix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio) +{ + int i; + int len, lenp; + + lenp = cio_tell( cio); + cio_skip( cio, 4); /* L [at the end] */ + cio_write( cio, JPIP_MHIX, 4); /* MHIX */ + + cio_write( cio, cstr_info.main_head_end-cstr_info.main_head_start+1, 8); /* TLEN */ + + for(i = 1; i < cstr_info.marknum; i++){ /* Marker restricted to 1 apparition, skip SOC marker */ + cio_write( cio, cstr_info.marker[i].type, 2); + cio_write( cio, 0, 2); + cio_write( cio, cstr_info.marker[i].pos-coff, 8); + cio_write( cio, cstr_info.marker[i].len, 2); + } + + len = cio_tell( cio) - lenp; + cio_seek( cio, lenp); + cio_write( cio, len, 4); /* L */ + cio_seek( cio, lenp+len); + + return len; +} + +opj_bool check_EPHuse( int coff, opj_marker_info_t *markers, int marknum, opj_cio_t *cio) +{ + opj_bool EPHused = OPJ_FALSE; + int i=0; + int org_pos; + unsigned int Scod; + + for(i = 0; i < marknum; i++){ + if( markers[i].type == J2K_MS_COD){ + org_pos = cio_tell( cio); + cio_seek( cio, coff+markers[i].pos+2); + + Scod = cio_read( cio, 1); + if( ((Scod >> 2) & 1)) + EPHused = OPJ_TRUE; + cio_seek( cio, org_pos); + + break; + } + } + return EPHused; +} |