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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef SCUMM_SMUSH_CODEC37_H
#define SCUMM_SMUSH_CODEC37_H
#include "common/scummsys.h"
namespace Scumm {
class SmushDeltaBlocksDecoder {
private:
int32 _deltaSize;
byte *_deltaBufs[2];
byte *_deltaBuf;
int16 *_offsetTable;
int _curTable;
uint16 _prevSeqNb;
int _tableLastPitch;
int _tableLastIndex;
int32 _frameSize;
int _width, _height;
public:
SmushDeltaBlocksDecoder(int width, int height);
~SmushDeltaBlocksDecoder();
protected:
void makeTable(int, int);
void proc1(byte *dst, const byte *src, int32, int, int, int, int16 *);
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);
};
} // End of namespace Scumm
#endif
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