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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2003 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef SMUSH_CODEC37_H
#define SMUSH_CODEC37_H
#include "common/scummsys.h"
class Codec37Decoder {
private:
int32 _deltaSize;
byte *_deltaBufs[2];
byte *_deltaBuf;
int16 *_offsetTable;
int _curtable;
uint16 _prevSeqNb;
int _tableLastPitch;
int _tableLastIndex;
int32 _frameSize;
int _width, _height;
public:
Codec37Decoder();
~Codec37Decoder();
void init(int width, int height);
void deinit();
protected:
void maketable(int, int);
void bompDecode(byte *dst, const byte *src, int len);
void proc3WithFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
void proc3WithoutFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
void proc4WithFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
void proc4WithoutFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
public:
void decode(byte *dst, const byte *src);
};
#endif
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