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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 "common/stream.h"
#include "common/substream.h"
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "graphics/pixelformat.h"
#include "video/video_decoder.h"
namespace Sci {
#ifdef ENABLE_SCI32
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
};
class RobotDecoder : public Video::FixedRateVideoDecoder {
public:
RobotDecoder(Audio::Mixer *mixer, bool isBigEndian);
virtual ~RobotDecoder();
bool loadStream(Common::SeekableReadStream *stream);
bool load(GuiResourceId id);
void close();
bool isVideoLoaded() const { return _fileStream != 0; }
uint16 getWidth() const { return _width; }
uint16 getHeight() const { return _height; }
uint32 getFrameCount() const { return _header.frameCount; }
const Graphics::Surface *decodeNextFrame();
Graphics::PixelFormat getPixelFormat() const { return Graphics::PixelFormat::createFormatCLUT8(); }
const byte *getPalette() { _dirtyPalette = false; return _palette; }
bool hasDirtyPalette() const { return _dirtyPalette; }
void setPos(uint16 x, uint16 y) { _pos = Common::Point(x, y); }
Common::Point getPos() const { return _pos; }
protected:
Common::Rational getFrameRate() const { return Common::Rational(60, 10); }
private:
void readHeaderChunk();
void readPaletteChunk(uint16 chunkSize);
void readFrameSizesChunk();
void calculateVideoDimensions();
void freeData();
RobotHeader _header;
Common::Point _pos;
bool _isBigEndian;
Common::SeekableSubReadStreamEndian *_fileStream;
uint16 _width;
uint16 _height;
uint32 *_frameTotalSize;
byte _palette[256 * 3];
bool _dirtyPalette;
Graphics::Surface *_surface;
Audio::QueuingAudioStream *_audioStream;
Audio::SoundHandle _audioHandle;
Audio::Mixer *_mixer;
};
#endif
} // End of namespace Sci
#endif
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