105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
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/*
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* Copyright 2004-2005 Andrea Betti and Michele Massarelli
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* Copyright 2004-2005 DIEI, University of Perugia
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*
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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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/* questa <20> un' estensione della libreria dell'openjpeg in grado di implementare
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* la parte 11 dello standard JPEG2000 ossia il JPWL
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*/
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#ifndef __JPW_H
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#define __JPW_H
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typedef struct {
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unsigned int JPWL_on; //indica se usare le funzionalit<69> JPWL e quindi l'EPC nel main header
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unsigned int EPB_on;
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unsigned int ESD_on;
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unsigned int RED_on;
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unsigned int UEP_on;
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unsigned int info_tech_on;
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unsigned long pepb[6];
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unsigned char pesd;
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unsigned char pred;
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} JPWL_cp_t;
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// inizializza la struttura contenente le info riguardanti l'uso dei marker jpwl
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void jpwl_cp_init(JPWL_cp_t *jpwl_cp);
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// qui iniziano le funzioni necessarie per la scrittura dei marker
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void jpwl_write_EPC();
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void jpwl_write_ESD(char Pesd, int notil);
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void jpwl_write_RED();
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void JPWL_write_EPB(char *buf, unsigned long LDPepb, unsigned long Pepb, unsigned char Depb);
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int JPWL_len_EPB(unsigned int LDPepb, unsigned int Pepb, unsigned char Depb);
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int pianifica_epb(unsigned int LDPepb, unsigned int Pepb, int *n_epb );
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void JPWL_write_Pepbs(long *pepbs, int num_epb);
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void get_jpwl_cp(j2k_cp_t *cp);
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int uep(int notil, char *bs, char *header, int len_header);
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int uep_lay(int notil, char *bs, char *header, int len_header);
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void jpwl_write_EPC_fin(unsigned long CL, long *pepbs, int num_epb);
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void correggi_esd(int offset, int len_esd, int Pesd);
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int jpwl_encode(char *input, char * output, unsigned long CL);
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/* qui andr<64> ad inserire le funzioni necessarie per il crc oppure la codifica RS
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* e le funzioni per le tecniche informative aggiuntive
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*/
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void ResetCRC();
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void UpdateCRC16(char x);
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void UpdateCRC32(char x);
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char reflectByte(char inbyte);
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void reflectCRC32();
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//int crc_ccitt(char *buffer, int len);
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short int d2pfp(double in);
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double pfp2d(short int in);
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#endif
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