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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 "common/scummsys.h"
#include "audio/mixer.h"
class OSystem;
namespace Audio {
class QueuingAudioStream;
} // End of namespace Audio
namespace Common {
class SeekableReadStream;
} // End of namespace Common
namespace Kyra {
class KyraEngine_v1;
class Screen;
class VQAMovie {
public:
VQAMovie(KyraEngine_v1 *vm, OSystem *system);
~VQAMovie();
bool opened() { return _opened; }
int frames() { return _opened ? _header.numFrames : -1; }
// It's unlikely that we ever want to change the movie position from
// its default.
void setDrawPage(int page) { _drawPage = page; }
bool open(const char *filename);
void close();
void play();
protected:
OSystem *_system;
KyraEngine_v1 *_vm;
Screen *_screen;
bool _opened;
int _x, _y;
int _drawPage;
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;
};
struct Buffer {
uint8 *data;
uint32 size;
};
Buffer _buffers[2];
void initBuffers();
void *allocBuffer(int num, uint32 size);
void freeBuffers();
void decodeSND1(byte *inbuf, uint32 insize, byte *outbuf, uint32 outsize);
void displayFrame(uint frameNum);
Common::SeekableReadStream *_file;
VQAHeader _header;
uint32 *_frameInfo;
uint32 _codeBookSize;
byte *_codeBook;
byte *_partialCodeBook;
bool _compressedCodeBook;
int _partialCodeBookSize;
int _numPartialCodeBooks;
uint32 _numVectorPointers;
uint16 *_vectorPointers;
byte *_frame;
Audio::QueuingAudioStream *_stream;
Audio::SoundHandle _sound;
uint32 readTag();
};
} // End of namespace Kyra
#endif
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