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210 lines
8.6 KiB
210 lines
8.6 KiB
/* |
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* $Id: phix_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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/*! \file |
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* \brief Modification of jpip.c from 2KAN indexer |
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*/ |
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#include "opj_includes.h" |
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/* |
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* Write faix box of phix |
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* |
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* @param[in] coff offset of j2k codestream |
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* @param[in] compno component number |
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* @param[in] cstr_info codestream information |
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* @param[in] EPHused true if if EPH option used |
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* @param[in] j2klen length of j2k codestream |
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* @param[in] cio file output handle |
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* @return length of faix box |
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*/ |
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int opj_write_phix(int coff, opj_codestream_info_t cstr_info, OPJ_BOOL EPHused, |
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int j2klen, 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 len, compno, i; |
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opj_jp2_box_t *box; |
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OPJ_OFF_T lenp = 0; |
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box = (opj_jp2_box_t *)opj_calloc((size_t)cstr_info.numcomps, |
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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_PHIX, 4); /* PHIX */ |
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opj_stream_write_data(cio, l_data_header, 4, p_manager); |
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opj_write_manf((int)i, cstr_info.numcomps, box, cio, p_manager); |
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for (compno = 0; compno < (OPJ_UINT32)cstr_info.numcomps; compno++) { |
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box[compno].length = (OPJ_UINT32)opj_write_phixfaix(coff, (int)compno, |
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cstr_info, EPHused, j2klen, cio, p_manager); |
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box[compno].type = JPIP_FAIX; |
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} |
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len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp); |
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opj_stream_seek(cio, 4, 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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int opj_write_phixfaix(int coff, int compno, opj_codestream_info_t cstr_info, |
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OPJ_BOOL EPHused, int j2klen, opj_stream_private_t *cio, |
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opj_event_mgr_t * p_manager) |
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{ |
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OPJ_UINT32 tileno, version, i, nmax, size_of_coding; /* 4 or 8 */ |
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opj_tile_info_t *tile_Idx; |
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opj_packet_info_t packet; |
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int resno, precno, layno; |
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OPJ_UINT32 num_packet; |
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int numOfres, numOfprec, numOflayers; |
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OPJ_BYTE l_data_header [8]; |
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OPJ_OFF_T lenp; |
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OPJ_UINT32 len; |
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packet.end_ph_pos = packet.start_pos = -1; |
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(void)EPHused; /* unused ? */ |
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if (j2klen > pow(2, 32)) { |
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size_of_coding = 8; |
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version = 1; |
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} else { |
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size_of_coding = 4; |
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version = 0; |
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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_FAIX, 4); /* FAIX */ |
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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, version, 1); /* Version 0 = 4 bytes */ |
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opj_stream_write_data(cio, l_data_header, 1, p_manager); |
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nmax = 0; |
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for (i = 0; i <= (OPJ_UINT32)cstr_info.numdecompos[compno]; i++) { |
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nmax += (OPJ_UINT32)(cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * |
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cstr_info.numlayers); |
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} |
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opj_write_bytes(l_data_header, nmax, size_of_coding); /* NMAX */ |
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opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); |
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opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th), |
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size_of_coding); /* M */ |
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opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); |
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for (tileno = 0; tileno < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); tileno++) { |
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tile_Idx = &cstr_info.tile[ tileno]; |
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num_packet = 0; |
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numOfres = cstr_info.numdecompos[compno] + 1; |
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for (resno = 0; resno < numOfres ; resno++) { |
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numOfprec = tile_Idx->pw[resno] * tile_Idx->ph[resno]; |
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for (precno = 0; precno < numOfprec; precno++) { |
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numOflayers = cstr_info.numlayers; |
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for (layno = 0; layno < numOflayers; layno++) { |
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switch (cstr_info.prog) { |
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case OPJ_LRCP: |
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packet = tile_Idx->packet[((layno * numOfres + resno) * cstr_info.numcomps + |
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compno) * numOfprec + precno]; |
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break; |
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case OPJ_RLCP: |
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packet = tile_Idx->packet[((resno * numOflayers + layno) * cstr_info.numcomps + |
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compno) * numOfprec + precno]; |
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break; |
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case OPJ_RPCL: |
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packet = tile_Idx->packet[((resno * numOfprec + precno) * cstr_info.numcomps + |
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compno) * numOflayers + layno]; |
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break; |
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case OPJ_PCRL: |
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packet = tile_Idx->packet[((precno * cstr_info.numcomps + compno) * numOfres + |
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resno) * numOflayers + layno]; |
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break; |
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case OPJ_CPRL: |
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packet = tile_Idx->packet[((compno * numOfprec + precno) * numOfres + resno) * |
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numOflayers + layno]; |
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break; |
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default: |
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fprintf(stderr, "failed to ppix indexing\n"); |
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} |
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opj_write_bytes(l_data_header, (OPJ_UINT32)(packet.start_pos - coff), |
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size_of_coding); /* start position */ |
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opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); |
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opj_write_bytes(l_data_header, |
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(OPJ_UINT32)(packet.end_ph_pos - packet.start_pos + 1), |
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size_of_coding); /* length */ |
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opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); |
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num_packet++; |
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} |
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} |
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} |
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/* PADDING */ |
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while (num_packet < nmax) { |
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opj_write_bytes(l_data_header, 0, |
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size_of_coding); /* start position */ |
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opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); |
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opj_write_bytes(l_data_header, 0, |
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size_of_coding); /* length */ |
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opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager); |
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num_packet++; |
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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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return (int)len; |
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}
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