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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 KYRA_VQA_H
#define KYRA_VQA_H
#include "video/video_decoder.h"
#include "common/file.h"
#include "common/rational.h"
class OSystem;
namespace Audio {
class QueuingAudioStream;
} // End of namespace Audio
namespace Kyra {
class KyraEngine_v1;
class Screen;
class VQADecoder : public Video::VideoDecoder {
public:
VQADecoder();
virtual ~VQADecoder();
bool loadStream(Common::SeekableReadStream *stream);
void readNextPacket();
private:
Common::SeekableReadStream *_fileStream;
void handleVQHD(Common::SeekableReadStream *stream);
void handleFINF(Common::SeekableReadStream *stream);
struct VQAHeader {
uint16 version;
uint16 flags;
uint16 numFrames;
uint16 width;
uint16 height;
uint8 blockW;
uint8 blockH;
uint8 frameRate;
uint8 cbParts;
uint16 colors;
uint16 maxBlocks;
uint32 unk1;
uint16 unk2;
uint16 freq;
uint8 channels;
uint8 bits;
uint32 unk3;
uint16 unk4;
uint32 maxCBFZSize;
uint32 unk5;
};
VQAHeader _header;
uint32 *_frameInfo;
class VQAAudioTrack : public AudioTrack {
public:
VQAAudioTrack(const VQAHeader *header);
~VQAAudioTrack();
void handleSND0(Common::SeekableReadStream *stream);
void handleSND1(Common::SeekableReadStream *stream);
void handleSND2(Common::SeekableReadStream *stream);
protected:
Audio::AudioStream *getAudioStream() const;
private:
Audio::QueuingAudioStream *_audioStream;
};
class VQAVideoTrack : public FixedRateVideoTrack {
public:
VQAVideoTrack(const VQAHeader *header);
~VQAVideoTrack();
uint16 getWidth() const;
uint16 getHeight() const;
Graphics::PixelFormat getPixelFormat() const;
int getCurFrame() const;
int getFrameCount() const;
const Graphics::Surface *decodeNextFrame();
void setHasDirtyPalette();
bool hasDirtyPalette() const;
const byte *getPalette() const;
void handleVQFR(Common::SeekableReadStream *stream);
protected:
Common::Rational getFrameRate() const;
private:
Graphics::Surface *_surface;
byte _palette[3 * 256];
mutable bool _dirtyPalette;
bool _newFrame;
uint16 _width, _height;
uint8 _blockW, _blockH;
uint8 _cbParts;
int _frameCount;
int _curFrame;
byte _frameRate;
uint32 _codeBookSize;
bool _compressedCodeBook;
byte *_codeBook;
int _partialCodeBookSize;
int _numPartialCodeBooks;
byte *_partialCodeBook;
uint32 _numVectorPointers;
uint16 *_vectorPointers;
};
};
class VQAMovie {
public:
VQAMovie(KyraEngine_v1 *vm, OSystem *system);
~VQAMovie();
bool open(const char *filename);
void close();
void play();
private:
OSystem *_system;
KyraEngine_v1 *_vm;
Screen *_screen;
VQADecoder *_decoder;
Common::File _file;
};
} // End of namespace Kyra
#endif
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