VRS - The Virtual Rendering System

version 3.3

avimaker.h

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/******************************************************************************
 * VRS - The Virtual Rendering System
 * Copyright (C) 2007 Computer Graphics Systems Group at the 
 * Hasso-Plattner-Institute (HPI), Potsdam, Germany.
 *
 * This  library  is  free  software; you can redistribute it and/or  modify it
 * under the terms of the GNU Lesser General Public  License  as  published  by
 * the  Free  Software  Foundation;  either  version 2.1 of the License, or (at
 * your option) any later version. This library  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 Lesser General Public License for more details. You should have received
 * a copy of the GNU Lesser+ General Public License along with this library; if
 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA, 02111-1307, USA.
 ******************************************************************************/

// $Id: avimaker.h 6685 2009-04-01 12:26:02Z Amir_Semmo $

#ifndef VRS_AVIMAKER_H
#define VRS_AVIMAKER_H

#include <vrs/config.h>

#include <vrs/sg/behaviornode.h>
#include <vector>

namespace VRS {

class GLCanvas;
class Image;
class VideoCompressor;

template<typename T>
class NonPersistentArray;

class VRS_CORE_API AVIMaker : public BehaviorNode {
public:
    AVIMaker(GLCanvas* masterCanvas);
    AVIMaker(GLCanvas* masterCanvas, const std::string& filename, int frameRate = 20, bool highQuality = false, VideoCompressor* compressor = NULL);
    virtual ~AVIMaker();
    virtual BehaviorNode::InvalidationHint handle(Event* event);

    void open(const std::string& filename, int frameRate=15, bool highQuality = false, VideoCompressor* compressor = NULL);
    void close();

    bool isOpen() const;

    GLCanvas* canvas() const;
    const std::string& filename() const;
    int frameRate() const;
    int currentFrameNo() const;

        static Iterator<std::string>* availableCompressors();
        static VideoCompressor* getCompressor(const std::string& compressor);
        VRS_TYPEINFO(AVIMaker, BehaviorNode);


private:
    std::string filename_;
    int frameRate_;
    int frameNo_;
    bool open_;
    bool highQuality_;

        double lastRecording_;
        double delta_;
        SO<GLCanvas> canvas_;
        SO<Image> tmpImage_;
        SO<Image> frameImage_;

    struct Impl;
    Impl *const impl_;
};

class VRS_CORE_API VideoCompressor : public SharedObj {
public:
        ~VideoCompressor();
#ifdef WIN32
        bool hasAboutBox();
        bool showAboutBox();
        bool hasConfigBox();
        bool showConfigBox();
        std::string getName();
        std::string getShortName();
        std::string getDriverName();
        int getDriverVersion();
#endif
    bool supportsQuality();
        int getQuality();
        void setQuality(int quality);
        friend class AVIMaker;
private:
        VideoCompressor();
        static Iterator<std::string>* availableCompressors();
        static VideoCompressor* getCompressor(const std::string& compressor);

        struct CompressorImpl;
        CompressorImpl* const impl_;
};

} // namespace VRS

#endif // VRS_AVIMAKER_H

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