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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.
*
* $URL$
* $Id$
*
*/
/**
* Video decoder used in engines:
* - tucker
*/
#ifndef GRAPHICS_VIDEO_FLICPLAYER_H
#define GRAPHICS_VIDEO_FLICPLAYER_H
#include "common/scummsys.h"
#include "common/list.h"
#include "common/rect.h"
namespace Common {
class SeekableReadStream;
}
namespace Graphics {
struct ChunkHeader {
uint32 size;
uint16 type;
};
struct FrameTypeChunkHeader {
ChunkHeader header;
uint16 numChunks;
uint16 delay;
uint16 reserved; // always zero
uint16 widthOverride;
uint16 heightOverride;
};
// TOD: rewrite this based on VideoDecoder & VideoPlayer (this may
// require improvements to these two classes).
class FlicPlayer {
public:
FlicPlayer();
~FlicPlayer();
/**
* Returns the width of the video
* @return the width of the video
*/
int getWidth();
/**
* Returns the height of the video
* @return the height of the video
*/
int getHeight();
/**
* Returns the current frame number of the video
* @return the current frame number of the video
*/
int32 getCurFrame();
/**
* Returns the amount of frames in the video
* @return the amount of frames in the video
*/
int32 getFrameCount();
/**
* Load a FLIC encoded video file
* @param filename the filename to load
*/
bool loadFile(const char *fileName);
/**
* Close a FLIC encoded video file
*/
void closeFile();
/**
* Decode the next frame
*/
void decodeNextFrame();
bool isLastFrame() const { return _currFrame == _flicInfo.numFrames; }
uint32 getSpeed() const { return _flicInfo.speed; }
bool isPaletteDirty() const { return _paletteDirty; }
const uint8 *getPalette() { _paletteDirty = false; return _palette; }
const uint8 *getOffscreen() const { return _offscreen; }
const Common::List<Common::Rect> *getDirtyRects() const { return &_dirtyRects; }
void clearDirtyRects() { _dirtyRects.clear(); }
void redraw();
void reset();
void copyDirtyRectsToBuffer(uint8 *dst, uint pitch);
/**
* Copy current frame into the specified position of the destination
* buffer.
* @param dst the buffer
* @param x the x position of the buffer
* @param y the y position of the buffer
* @param pitch the pitch of buffer
*/
void copyFrameToBuffer(byte *dst, uint x, uint y, uint pitch);
private:
struct FlicHeader {
uint32 size;
uint16 type;
uint16 numFrames;
uint16 width;
uint16 height;
uint32 speed;
uint16 offsetFrame1;
uint16 offsetFrame2;
};
ChunkHeader readChunkHeader();
FrameTypeChunkHeader readFrameTypeChunkHeader(ChunkHeader chunkHead);
void decodeByteRun(uint8 *data);
void decodeDeltaFLC(uint8 *data);
void setPalette(uint8 *mem);
Common::SeekableReadStream *_fileStream;
bool _paletteDirty;
uint8 *_offscreen;
uint8 _palette[256 * 4];
FlicHeader _flicInfo;
uint16 _currFrame;
Common::List<Common::Rect> _dirtyRects;
};
} // End of namespace Graphics
#endif
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