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259 lines
9.2 KiB
259 lines
9.2 KiB
/* |
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* $Id: cidx_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $ |
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* |
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium |
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* Copyright (c) 2002-2014, Professor Benoit Macq |
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* Copyright (c) 2003-2004, Yannick Verschueren |
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* Copyright (c) 2010-2011, Kaori Hagihara |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "opj_includes.h" |
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/* |
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* Write CPTR Codestream finder box |
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* |
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* @param[in] coff offset of j2k codestream |
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* @param[in] clen length of j2k codestream |
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* @param[in] cio file output handle |
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*/ |
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void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager); |
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int opj_write_cidx(int offset, opj_stream_private_t *cio, |
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opj_codestream_info_t cstr_info, int j2klen, |
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opj_event_mgr_t * p_manager) |
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{ |
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int i; |
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OPJ_OFF_T lenp; |
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OPJ_UINT32 len; |
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opj_jp2_box_t *box; |
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int num_box = 0; |
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OPJ_BOOL EPHused; |
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OPJ_BYTE l_data_header [4]; |
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lenp = -1; |
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box = (opj_jp2_box_t *)opj_calloc(32, sizeof(opj_jp2_box_t)); |
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if (box == NULL) { |
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return 0; |
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} |
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for (i = 0; i < 2; i++) { |
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if (i) { |
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opj_stream_seek(cio, lenp, p_manager); |
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} |
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lenp = opj_stream_tell(cio); |
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opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ |
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opj_write_bytes(l_data_header, JPIP_CIDX, 4); /* CIDX */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_write_cptr(offset, cstr_info.codestream_size, cio, p_manager); |
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opj_write_manf(i, num_box, box, cio, p_manager); |
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num_box = 0; |
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box[num_box].length = (OPJ_UINT32)opj_write_mainmhix(offset, cstr_info, cio, |
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p_manager); |
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box[num_box].type = JPIP_MHIX; |
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num_box++; |
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box[num_box].length = (OPJ_UINT32)opj_write_tpix(offset, cstr_info, j2klen, cio, |
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p_manager); |
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box[num_box].type = JPIP_TPIX; |
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num_box++; |
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box[num_box].length = (OPJ_UINT32)opj_write_thix(offset, cstr_info, cio, |
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p_manager); |
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box[num_box].type = JPIP_THIX; |
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num_box++; |
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EPHused = opj_check_EPHuse(offset, cstr_info.marker, cstr_info.marknum, cio, |
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p_manager); |
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box[num_box].length = (OPJ_UINT32)opj_write_ppix(offset, cstr_info, EPHused, |
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j2klen, cio, p_manager); |
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box[num_box].type = JPIP_PPIX; |
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num_box++; |
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box[num_box].length = (OPJ_UINT32)opj_write_phix(offset, cstr_info, EPHused, |
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j2klen, cio, p_manager); |
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box[num_box].type = JPIP_PHIX; |
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num_box++; |
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len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); |
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opj_stream_seek(cio, lenp, p_manager); |
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opj_write_bytes(l_data_header, len, 4); /* L */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_stream_seek(cio, lenp + len, p_manager); |
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} |
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opj_free(box); |
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return (int)len; |
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} |
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void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager) |
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{ |
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OPJ_BYTE l_data_header [3 * 8]; |
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OPJ_UINT32 len; |
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OPJ_OFF_T lenp; |
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lenp = opj_stream_tell(cio); |
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opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ |
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opj_write_bytes(l_data_header, JPIP_CPTR, 4); /* T */ |
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opj_write_bytes(l_data_header + 4, 0, 2); /* DR A PRECISER !! */ |
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opj_write_bytes(l_data_header + 6, 0, 2); /* CONT */ |
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opj_write_bytes(l_data_header + 8, (OPJ_UINT32)coff, |
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8); /* COFF A PRECISER !! */ |
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opj_write_bytes(l_data_header + 16, (OPJ_UINT32)clen, |
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8); /* CLEN */ |
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opj_stream_write_data(cio, l_data_header, 3 * 8, p_manager); |
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len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); |
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opj_stream_seek(cio, lenp, p_manager); |
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opj_write_bytes(l_data_header, len, 4); /* L */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_stream_seek(cio, lenp + len, p_manager); |
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} |
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void opj_write_manf(int second, |
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int v, |
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opj_jp2_box_t *box, |
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opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager) |
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{ |
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OPJ_BYTE l_data_header [4]; |
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int i; |
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OPJ_UINT32 len; |
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OPJ_OFF_T lenp; |
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lenp = opj_stream_tell(cio); |
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opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ |
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opj_write_bytes(l_data_header, JPIP_MANF, 4); /* T */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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if (second) { /* Write only during the second pass */ |
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for (i = 0; i < v; i++) { |
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opj_write_bytes(l_data_header, box[i].length, |
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4); /* Box length */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_write_bytes(l_data_header, box[i].type, |
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4); /* Box type */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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} |
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} |
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len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); |
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opj_stream_seek(cio, lenp, p_manager); |
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opj_write_bytes(l_data_header, len, 4);/* L */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_stream_seek(cio, lenp + len, p_manager); |
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} |
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int opj_write_mainmhix(int coff, opj_codestream_info_t cstr_info, |
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opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager) |
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{ |
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OPJ_BYTE l_data_header [8]; |
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OPJ_UINT32 i; |
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OPJ_UINT32 len; |
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OPJ_OFF_T lenp; |
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lenp = opj_stream_tell(cio); |
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opj_stream_skip(cio, 4, |
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p_manager); /* L [at the end] */ |
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opj_write_bytes(l_data_header, JPIP_MHIX, |
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4); /* MHIX */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_write_bytes(l_data_header, |
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(OPJ_UINT32)(cstr_info.main_head_end - cstr_info.main_head_start + 1), |
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8); /* TLEN */ |
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opj_stream_write_data(cio, l_data_header, 8, p_manager); |
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for (i = 1; i < (OPJ_UINT32)cstr_info.marknum; |
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i++) { /* Marker restricted to 1 apparition, skip SOC marker */ |
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opj_write_bytes(l_data_header, cstr_info.marker[i].type, 2); |
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opj_write_bytes(l_data_header + 2, 0, 2); |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.marker[i].pos - coff), 8); |
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opj_stream_write_data(cio, l_data_header, 8, p_manager); |
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opj_write_bytes(l_data_header, (OPJ_UINT32)cstr_info.marker[i].len, 2); |
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opj_stream_write_data(cio, l_data_header, 2, p_manager); |
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} |
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len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); |
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opj_stream_seek(cio, lenp, p_manager); |
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opj_write_bytes(l_data_header, len, 4); /* L */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_stream_seek(cio, lenp + len, p_manager); |
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return (int)len; |
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} |
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OPJ_BOOL opj_check_EPHuse(int coff, opj_marker_info_t *markers, int marknum, |
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opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager) |
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{ |
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OPJ_BYTE l_data_header [4]; |
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OPJ_BOOL EPHused = OPJ_FALSE; |
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int i = 0; |
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OPJ_OFF_T org_pos; |
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unsigned int Scod; |
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for (i = 0; i < marknum; i++) { |
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if (markers[i].type == J2K_MS_COD) { |
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org_pos = opj_stream_tell(cio); |
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opj_stream_seek(cio, coff + markers[i].pos + 2, p_manager); |
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opj_stream_read_data(cio, l_data_header, 1, p_manager); |
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opj_read_bytes(l_data_header, &Scod, 1); |
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if (((Scod >> 2) & 1)) { |
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EPHused = OPJ_TRUE; |
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} |
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opj_stream_seek(cio, org_pos, p_manager); |
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break; |
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} |
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} |
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return EPHused; |
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}
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