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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 SCI_VIDEO_ROBOT_DECODER_H
#define SCI_VIDEO_ROBOT_DECODER_H
#include "common/rational.h"
#include "common/rect.h"
#include "video/video_decoder.h"
namespace Audio {
class QueuingAudioStream;
}
namespace Common {
class SeekableSubReadStreamEndian;
}
namespace Sci {
class RobotDecoder : public Video::VideoDecoder {
public:
RobotDecoder(bool isBigEndian);
virtual ~RobotDecoder();
bool loadStream(Common::SeekableReadStream *stream);
bool load(GuiResourceId id);
void close();
void setPos(uint16 x, uint16 y) { _pos = Common::Point(x, y); }
Common::Point getPos() const { return _pos; }
protected:
void readNextPacket();
private:
class RobotVideoTrack : public FixedRateVideoTrack {
public:
RobotVideoTrack(int frameCount);
~RobotVideoTrack();
uint16 getWidth() const;
uint16 getHeight() const;
Graphics::PixelFormat getPixelFormat() const;
int getCurFrame() const { return _curFrame; }
int getFrameCount() const { return _frameCount; }
const Graphics::Surface *decodeNextFrame() { return _surface; }
const byte *getPalette() const { _dirtyPalette = false; return _palette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
void readPaletteChunk(Common::SeekableSubReadStreamEndian *stream, uint16 chunkSize);
void calculateVideoDimensions(Common::SeekableSubReadStreamEndian *stream, uint32 *frameSizes);
Graphics::Surface *getSurface() { return _surface; }
void increaseCurFrame() { _curFrame++; }
protected:
Common::Rational getFrameRate() const { return Common::Rational(60, 10); }
private:
int _frameCount;
int _curFrame;
byte _palette[256 * 3];
mutable bool _dirtyPalette;
Graphics::Surface *_surface;
};
class RobotAudioTrack : public AudioTrack {
public:
RobotAudioTrack();
~RobotAudioTrack();
Audio::Mixer::SoundType getSoundType() const { return Audio::Mixer::kMusicSoundType; }
void queueBuffer(byte *buffer, int size);
protected:
Audio::AudioStream *getAudioStream() const;
private:
Audio::QueuingAudioStream *_audioStream;
};
struct RobotHeader {
// 6 bytes, identifier bytes
uint16 version;
uint16 audioChunkSize;
uint16 audioSilenceSize;
// 2 bytes, unknown
uint16 frameCount;
uint16 paletteDataSize;
uint16 unkChunkDataSize;
// 5 bytes, unknown
byte hasSound;
// 34 bytes, unknown
} _header;
void readHeaderChunk();
void readFrameSizesChunk();
Common::Point _pos;
bool _isBigEndian;
uint32 *_frameTotalSize;
Common::SeekableSubReadStreamEndian *_fileStream;
};
} // End of namespace Sci
#endif
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