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tdemultimedia/mpeglib/lib/mpegplay/jrevdct.h

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