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/*===========================================================================*
* mtypes.h
*
* MPEG data types
*
*===========================================================================*/
/* Copyright information is at end of file */
#ifndef MTYPES_INCLUDED
#define MTYPES_INCLUDED
#include "netpbm/pm_config.h"
#include "dct.h"
/*===========*
* CONSTANTS *
*===========*/
#define TYPE_BOGUS 0 /* for the header of the circular list */
#define TYPE_VIRGIN 1
#define STATUS_EMPTY 0
#define STATUS_LOADED 1
#define STATUS_WRITTEN 2
typedef struct vector {
int y;
int x;
} vector;
typedef struct motion {
vector fwd;
vector bwd;
} motion;
/*==================*
* TYPE DEFINITIONS *
*==================*/
/*
* your basic Block type
*/
typedef int16_t Block[DCTSIZE][DCTSIZE];
typedef int16_t FlatBlock[DCTSIZE_SQ];
typedef struct {
int32_t l[2*DCTSIZE][2*DCTSIZE];
} LumBlock;
typedef int32_t ChromBlock[DCTSIZE][DCTSIZE];
/*========*
* MACROS *
*========*/
#ifdef ABS
#undef ABS
#endif
#define ABS(x) (((x)<0)?-(x):(x))
#ifdef HEINOUS_DEBUG_MODE
#define DBG_PRINT(x) {printf x; fflush(stdout);}
#else
#define DBG_PRINT(x)
#endif
#define ERRCHK(bool, str) {if(!(bool)) {perror(str); exit(1);}}
/* For Specifics */
typedef struct detalmv_def {
int typ,fx,fy,bx,by;
} BlockMV;
#define TYP_SKIP 0
#define TYP_FORW 1
#define TYP_BACK 2
#define TYP_BOTH 3
#endif /* MTYPES_INCLUDED */
/*
* Copyright (c) 1995 The Regents of the University of California.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose, without fee, and without written agreement is
* hereby granted, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
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