297 lines
8.3 KiB
C
297 lines
8.3 KiB
C
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/*
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* $Id$
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*
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* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2011, Professor Benoit Macq
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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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#ifndef OPENJPIP_H_
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# define OPENJPIP_H_
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#include "session_manager.h"
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#include "target_manager.h"
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#include "query_parser.h"
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#include "msgqueue_manager.h"
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#include "bool.h"
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#include "cache_manager.h"
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#include "byte_manager.h"
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#include "imgsock_manager.h"
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#include "metadata_manager.h"
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#include "ihdrbox_manager.h"
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#include "index_manager.h"
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#ifdef SERVER
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#include "fcgi_stdio.h"
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#define logstream FCGI_stdout
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#else
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#define FCGI_stdout stdout
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#define FCGI_stderr stderr
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#define logstream stderr
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#endif //SERVER
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/*
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*==========================================================
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* JPIP server API
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*==========================================================
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*/
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//! Server static records
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typedef struct server_record{
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sessionlist_param_t *sessionlist; //!< list of session records
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targetlist_param_t *targetlist; //!< list of target records
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} server_record_t;
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//! Query/response data for each client
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typedef struct QR{
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query_param_t *query;
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msgqueue_param_t *msgqueue;
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} QR_t;
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/**
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* Initialize the JPIP server
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*
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* @return intialized server record pointer
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*/
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server_record_t * init_JPIPserver();
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/**
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* Terminate the JPIP server
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*
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* @param[in] rec address of deleting server static record pointer
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*/
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void terminate_JPIPserver( server_record_t **rec);
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/**
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* 1st process per client request; parse query string
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*
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* @param[in] query_string request query string
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* @return initialized query/response data pointer
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*/
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QR_t * parse_querystring( char *query_string);
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/**
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* 2nd process; process JPIP request and construct message queue
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*
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* @param[in] rec server static record pointer
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* @param[in] qr query/response data pointer
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* @return true if succeed, otherwise false
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*/
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bool process_JPIPrequest( server_record_t *rec, QR_t *qr);
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/**
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* 3rd process; send response data JPT/JPP-stream
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*
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* @param[in] qr query/response data pointer
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*/
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void send_responsedata( QR_t *qr);
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/**
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* 4th (last) process;
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*
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* @param[in] rec server static record pinter
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* @param[in] qr address of query/response data pointer
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*/
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void end_QRprocess( server_record_t *rec, QR_t **qr);
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#ifndef SERVER
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/**
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* Option for local tests; print out parameter values to logstream (stderr)
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*
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* @param[in] query true if query parameters are to be printed out
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* @param[in] messages true if queue of messages is to be printed out
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* @param[in] sessions true if session list is to be printed out
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* @param[in] targets true if target list is to be printed out
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* @param[in] qr query/response data pointer
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* @param[in] rec server static record pinter
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*/
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void local_log( bool query, bool messages, bool sessions, bool targets, QR_t *qr, server_record_t *rec);
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#endif //SERVER
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/*
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*==========================================================
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* JPIP decoding server API
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*==========================================================
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*/
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#ifndef SERVER
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//! Decoding server static records
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typedef struct dec_server_record{
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cachelist_param_t *cachelist; //!< cache list
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Byte_t *jpipstream; //!< JPT/JPP stream
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int jpipstreamlen; //!< length of jpipstream
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msgqueue_param_t *msgqueue; //!< parsed message queue of jpipstream
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SOCKET listening_socket; //!< listenning socket
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} dec_server_record_t;
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//! Client socket identifier
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typedef SOCKET client_t;
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/**
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* Initialize the image decoding server
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*
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* @return intialized decoding server record pointer
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*/
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dec_server_record_t * init_dec_server();
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/**
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* Terminate the image decoding server
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*
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* @param[in] rec address of deleting decoding server static record pointer
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*/
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void terminate_dec_server( dec_server_record_t **rec);
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/**
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* Accept client connection
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*
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* @param[in] rec decoding server static record pointer
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* @return client socket ID, -1 if failed
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*/
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client_t accept_connection( dec_server_record_t *rec);
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/**
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* Handle client request
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*
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* @param[in] client client socket ID
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* @param[in] rec decoding server static record pointer
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* @return true if succeed
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*/
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bool handle_clientreq( client_t client, dec_server_record_t *rec);
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#endif //SERVER
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/*
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*==========================================================
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* JPIP tool API
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*==========================================================
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*/
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#ifndef SERVER
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/*
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* jpip to JP2 or J2K
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*/
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//! JPIP decoding parameters
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typedef struct jpip_dec_param{
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Byte_t *jpipstream; //!< JPT/JPP-stream
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Byte8_t jpiplen; //!< length of jpipstream
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msgqueue_param_t *msgqueue; //!< message queue
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metadatalist_param_t *metadatalist; //!< metadata list going into JP2 file
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ihdrbox_param_t *ihdrbox; //!< ihdr box going into JP2 file
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Byte_t *jp2kstream; //!< J2K codestream or JP2 file codestream
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Byte8_t jp2klen; //!< length of j2kstream or JP2 file
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} jpip_dec_param_t;
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/**
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* Initialize jpip decoder
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*
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* @param[in] jp2 true in case of jp2 file encoding, else j2k file encoding
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* @return JPIP decoding parameters pointer
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*/
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jpip_dec_param_t * init_jpipdecoder( bool jp2);
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/**
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* Destroy jpip decoding parameters
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*
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* @param[in] dec address of JPIP decoding parameters pointer
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*/
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void destroy_jpipdecoder( jpip_dec_param_t **dec);
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/**
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* Read jpip codestream from a file
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*
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* @param[in] fname file name
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* @param[in] dec JPIP decoding parameters pointer
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* @return true if succeed
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*/
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bool fread_jpip( char fname[], jpip_dec_param_t *dec);
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/**
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* Decode jpip codestream
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*
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* @param[in] dec JPIP decoding parameters pointer
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*/
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void decode_jpip( jpip_dec_param_t *dec);
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/**
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* Write J2K/JP2 codestream to a file
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*
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* @param[in] fname file name
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* @param[in] dec JPIP decoding parameters pointer
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* @return true if succeed
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*/
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bool fwrite_jp2k( char fname[], jpip_dec_param_t *dec);
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/**
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* Option; print out parameter values to stderr
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*
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* @param[in] messages true if queue of messages is to be printed out
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* @param[in] metadata true if metadata is to be printed out
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* @param[in] ihdrbox true if image header data is to be printed out
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* @param[in] dec JPIP decoding parameters pointer
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*/
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void output_log( bool messages, bool metadata, bool ihdrbox, jpip_dec_param_t *dec);
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/*
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* test the format of index (cidx) box in JP2 file
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*/
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//! Redefinition of index parameters
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typedef index_param_t index_t;
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/**
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* Parse JP2 file and get index information from cidx box inside
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*
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* @param[in] fd file descriptor of the JP2 file
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* @return pointer to the generated structure of index parameters
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*/
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index_t * get_index_from_JP2file( int fd);
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/**
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* Destroy index parameters
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*
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* @param[in,out] idx addressof the index pointer
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*/
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void destroy_index( index_t **idx);
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/**
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* print index parameters
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*
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* @param[in] index index parameters
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*/
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void output_index( index_t *index);
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#endif //SERVER
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#endif /* !OPENJPIP_H_ */
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