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58 lines
1.1 KiB
58 lines
1.1 KiB
/*
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definittion for reverse dct
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Copyright (C) 1999 Martin Vogt
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as published by
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the Free Software Foundation.
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For more information look at the file COPYRIGHT in this package
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*/
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#ifndef __JREVDCT_H
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#define __JREVDCT_H
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extern "C" {
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#include <string.h>
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}
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#include "proto.h"
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#ifndef XMD_H
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typedef int INT32;
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typedef short INT16;
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// typedef char INT8;
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#endif
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typedef unsigned int UINT32;
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typedef unsigned short UINT16;
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typedef unsigned char UINT8;
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/* Definition of Contant integer scale factor. */
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#define CONST_BITS 13
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/* Misc DCT definitions */
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#define DCTSIZE 8 /* The basic DCT block is 8x8 samples */
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#define DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */
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#define GLOBAL /* a function referenced thru EXTERNs */
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typedef short DCTELEM;
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typedef DCTELEM DCTBLOCK[DCTSIZE2];
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/* jrevdct.c */
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void init_pre_idct (void);
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void j_rev_dct_sparse (DCTBLOCK data , int pos);
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void j_rev_dct (DCTBLOCK data);
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void j_rev_dct_sparse (DCTBLOCK data , int pos);
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void j_rev_dct (DCTBLOCK data);
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#endif
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