mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-23 18:24:59 +00:00
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/* 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:
|
|
* - tucker
|
|
*/
|
|
class FlicDecoder : public VideoDecoder {
|
|
public:
|
|
FlicDecoder();
|
|
virtual ~FlicDecoder();
|
|
|
|
bool loadStream(Common::SeekableReadStream *stream);
|
|
|
|
const Common::List<Common::Rect> *getDirtyRects() const;
|
|
void clearDirtyRects();
|
|
void copyDirtyRectsToBuffer(uint8 *dst, uint pitch);
|
|
|
|
private:
|
|
class FlicVideoTrack : public VideoTrack {
|
|
public:
|
|
FlicVideoTrack(Common::SeekableReadStream *stream, uint16 frameCount, uint16 width, uint16 height);
|
|
~FlicVideoTrack();
|
|
|
|
bool endOfTrack() const;
|
|
bool isRewindable() const { return true; }
|
|
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; }
|
|
const Graphics::Surface *decodeNextFrame();
|
|
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);
|
|
|
|
private:
|
|
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 decodeByteRun(uint8 *data);
|
|
void decodeDeltaFLC(uint8 *data);
|
|
void unpackPalette(uint8 *mem);
|
|
};
|
|
};
|
|
|
|
} // End of namespace Video
|
|
|
|
#endif
|