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- /*
- * $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;
- }
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