/* * $Id: cidx_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $ * * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2014, 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 "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 opj_write_cptr(int coff, int clen, opj_stream_private_t *cio, opj_event_mgr_t * p_manager); int opj_write_cidx(int offset, opj_stream_private_t *cio, opj_codestream_info_t cstr_info, int j2klen, opj_event_mgr_t * p_manager) { int i; OPJ_OFF_T lenp; OPJ_UINT32 len; opj_jp2_box_t *box; int num_box = 0; OPJ_BOOL EPHused; OPJ_BYTE l_data_header [4]; lenp = -1; box = (opj_jp2_box_t *)opj_calloc(32, sizeof(opj_jp2_box_t)); if (box == NULL) { return 0; } for (i = 0; i < 2; i++) { if (i) { opj_stream_seek(cio, lenp, p_manager); } lenp = opj_stream_tell(cio); opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ opj_write_bytes(l_data_header, JPIP_CIDX, 4); /* CIDX */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_write_cptr(offset, cstr_info.codestream_size, cio, p_manager); opj_write_manf(i, num_box, box, cio, p_manager); num_box = 0; box[num_box].length = (OPJ_UINT32)opj_write_mainmhix(offset, cstr_info, cio, p_manager); box[num_box].type = JPIP_MHIX; num_box++; box[num_box].length = (OPJ_UINT32)opj_write_tpix(offset, cstr_info, j2klen, cio, p_manager); box[num_box].type = JPIP_TPIX; num_box++; box[num_box].length = (OPJ_UINT32)opj_write_thix(offset, cstr_info, cio, p_manager); box[num_box].type = JPIP_THIX; num_box++; EPHused = opj_check_EPHuse(offset, cstr_info.marker, cstr_info.marknum, cio, p_manager); box[num_box].length = (OPJ_UINT32)opj_write_ppix(offset, cstr_info, EPHused, j2klen, cio, p_manager); box[num_box].type = JPIP_PPIX; num_box++; box[num_box].length = (OPJ_UINT32)opj_write_phix(offset, cstr_info, EPHused, j2klen, cio, p_manager); box[num_box].type = JPIP_PHIX; num_box++; len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); opj_stream_seek(cio, lenp, p_manager); opj_write_bytes(l_data_header, len, 4); /* L */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_stream_seek(cio, lenp + len, p_manager); } opj_free(box); return (int)len; } void opj_write_cptr(int coff, int clen, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) { OPJ_BYTE l_data_header [3 * 8]; OPJ_UINT32 len; OPJ_OFF_T lenp; lenp = opj_stream_tell(cio); opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ opj_write_bytes(l_data_header, JPIP_CPTR, 4); /* T */ opj_write_bytes(l_data_header + 4, 0, 2); /* DR A PRECISER !! */ opj_write_bytes(l_data_header + 6, 0, 2); /* CONT */ opj_write_bytes(l_data_header + 8, (OPJ_UINT32)coff, 8); /* COFF A PRECISER !! */ opj_write_bytes(l_data_header + 16, (OPJ_UINT32)clen, 8); /* CLEN */ opj_stream_write_data(cio, l_data_header, 3 * 8, p_manager); len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); opj_stream_seek(cio, lenp, p_manager); opj_write_bytes(l_data_header, len, 4); /* L */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_stream_seek(cio, lenp + len, p_manager); } void opj_write_manf(int second, int v, opj_jp2_box_t *box, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) { OPJ_BYTE l_data_header [4]; int i; OPJ_UINT32 len; OPJ_OFF_T lenp; lenp = opj_stream_tell(cio); opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ opj_write_bytes(l_data_header, JPIP_MANF, 4); /* T */ opj_stream_write_data(cio, l_data_header, 4, p_manager); if (second) { /* Write only during the second pass */ for (i = 0; i < v; i++) { opj_write_bytes(l_data_header, box[i].length, 4); /* Box length */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_write_bytes(l_data_header, box[i].type, 4); /* Box type */ opj_stream_write_data(cio, l_data_header, 4, p_manager); } } len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); opj_stream_seek(cio, lenp, p_manager); opj_write_bytes(l_data_header, len, 4);/* L */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_stream_seek(cio, lenp + len, p_manager); } int opj_write_mainmhix(int coff, opj_codestream_info_t cstr_info, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) { OPJ_BYTE l_data_header [8]; OPJ_UINT32 i; OPJ_UINT32 len; OPJ_OFF_T lenp; lenp = opj_stream_tell(cio); opj_stream_skip(cio, 4, p_manager); /* L [at the end] */ opj_write_bytes(l_data_header, JPIP_MHIX, 4); /* MHIX */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.main_head_end - cstr_info.main_head_start + 1), 8); /* TLEN */ opj_stream_write_data(cio, l_data_header, 8, p_manager); for (i = 1; i < (OPJ_UINT32)cstr_info.marknum; i++) { /* Marker restricted to 1 apparition, skip SOC marker */ opj_write_bytes(l_data_header, cstr_info.marker[i].type, 2); opj_write_bytes(l_data_header + 2, 0, 2); opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.marker[i].pos - coff), 8); opj_stream_write_data(cio, l_data_header, 8, p_manager); opj_write_bytes(l_data_header, (OPJ_UINT32)cstr_info.marker[i].len, 2); opj_stream_write_data(cio, l_data_header, 2, p_manager); } len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); opj_stream_seek(cio, lenp, p_manager); opj_write_bytes(l_data_header, len, 4); /* L */ opj_stream_write_data(cio, l_data_header, 4, p_manager); opj_stream_seek(cio, lenp + len, p_manager); return (int)len; } OPJ_BOOL opj_check_EPHuse(int coff, opj_marker_info_t *markers, int marknum, opj_stream_private_t *cio, opj_event_mgr_t * p_manager) { OPJ_BYTE l_data_header [4]; OPJ_BOOL EPHused = OPJ_FALSE; int i = 0; OPJ_OFF_T org_pos; unsigned int Scod; for (i = 0; i < marknum; i++) { if (markers[i].type == J2K_MS_COD) { org_pos = opj_stream_tell(cio); opj_stream_seek(cio, coff + markers[i].pos + 2, p_manager); opj_stream_read_data(cio, l_data_header, 1, p_manager); opj_read_bytes(l_data_header, &Scod, 1); if (((Scod >> 2) & 1)) { EPHused = OPJ_TRUE; } opj_stream_seek(cio, org_pos, p_manager); break; } } return EPHused; }