60 lines
1.8 KiB
C++
60 lines
1.8 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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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 SmushDeltaBlocksDecoder {
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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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SmushDeltaBlocksDecoder(int width, int height);
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~SmushDeltaBlocksDecoder();
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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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