mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-01 05:11:09 +00:00
150 lines
3.6 KiB
C++
150 lines
3.6 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#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;
|
|
};
|
|
|
|
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
|