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64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef SCUMM_SMUSH_CODEC37_H
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#define SCUMM_SMUSH_CODEC37_H
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#include "common/scummsys.h"
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namespace Scumm {
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class Codec37Decoder {
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private:
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int32 _deltaSize;
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byte *_deltaBufs[2];
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byte *_deltaBuf;
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int16 *_offsetTable;
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int _curtable;
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uint16 _prevSeqNb;
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int _tableLastPitch;
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int _tableLastIndex;
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int32 _frameSize;
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int _width, _height;
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public:
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Codec37Decoder(int width, int height);
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~Codec37Decoder();
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protected:
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void maketable(int, int);
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void proc1(byte *dst, const byte *src, int32, int, int, int, int16 *);
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void proc3WithFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
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void proc3WithoutFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
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void proc4WithFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
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void proc4WithoutFDFE(byte *dst, const byte *src, int32, int, int, int, int16 *);
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public:
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void decode(byte *dst, const byte *src);
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};
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} // End of namespace Scumm
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#endif
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