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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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef VIDEO_FLICDECODER_H
#define VIDEO_FLICDECODER_H
#include "video/video_decoder.h"
#include "common/list.h"
#include "common/rect.h"
namespace Common {
class SeekableReadStream;
}
namespace Graphics {
struct PixelFormat;
struct Surface;
}
namespace Video {
/**
* Decoder for FLIC videos.
*
* Video decoder used in engines:
* - chewy
* - tucker
*/
class FlicDecoder : public VideoDecoder {
public:
FlicDecoder();
virtual ~FlicDecoder();
virtual bool loadStream(Common::SeekableReadStream *stream);
const Common::List<Common::Rect> *getDirtyRects() const;
void clearDirtyRects();
void copyDirtyRectsToBuffer(uint8 *dst, uint pitch);
protected:
class FlicVideoTrack : public VideoTrack {
public:
FlicVideoTrack(Common::SeekableReadStream *stream, uint16 frameCount, uint16 width, uint16 height, bool skipHeader = false);
~FlicVideoTrack();
virtual void readHeader();
bool endOfTrack() const;
virtual bool isRewindable() const { return true; }
virtual bool rewind();
uint16 getWidth() const;
uint16 getHeight() const;
Graphics::PixelFormat getPixelFormat() const;
int getCurFrame() const { return _curFrame; }
int getFrameCount() const { return _frameCount; }
uint32 getNextFrameStartTime() const { return _nextFrameStartTime; }
virtual const Graphics::Surface *decodeNextFrame();
virtual void handleFrame();
const byte *getPalette() const { _dirtyPalette = false; return _palette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
const Common::List<Common::Rect> *getDirtyRects() const { return &_dirtyRects; }
void clearDirtyRects() { _dirtyRects.clear(); }
void copyDirtyRectsToBuffer(uint8 *dst, uint pitch);
protected:
Common::SeekableReadStream *_fileStream;
Graphics::Surface *_surface;
int _curFrame;
bool _atRingFrame;
uint16 _offsetFrame1;
uint16 _offsetFrame2;
byte *_palette;
mutable bool _dirtyPalette;
uint32 _frameCount;
uint32 _frameDelay, _startFrameDelay;
uint32 _nextFrameStartTime;
Common::List<Common::Rect> _dirtyRects;
void copyFrame(uint8 *data);
void decodeByteRun(uint8 *data);
void decodeDeltaFLC(uint8 *data);
void unpackPalette(uint8 *mem);
};
};
} // End of namespace Video
#endif
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