quicktimevideo.hpp

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// ***************************************************************** -*- C++ -*-
/*
 * Copyright (C) 2004-2018 Exiv2 authors
 * This program is part of the Exiv2 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, 5th Floor, Boston, MA 02110-1301 USA.
 */
#ifndef QUICKTIMEVIDEO_HPP
#define QUICKTIMEVIDEO_HPP

// *****************************************************************************
#include "exiv2lib_export.h"

// included header files
#include "exif.hpp"
#include "image.hpp"

// *****************************************************************************
// namespace extensions
namespace Exiv2 {

// *****************************************************************************
// class definitions

    // Add qtime to the supported image formats
    namespace ImageType {
        const int qtime = 22; 
    }

    class EXIV2LIB_DEPRECATED_EXPORT QuickTimeVideo:public Image
    {
    public:


        QuickTimeVideo(BasicIo::AutoPtr io);


        void readMetadata();
        void writeMetadata();


        std::string mimeType() const;

    protected:
        void decodeBlock();
        void tagDecoder(Exiv2::DataBuf & buf, unsigned long size);

    private:
        void fileTypeDecoder(unsigned long size);
        void mediaHeaderDecoder(unsigned long size);
        void videoHeaderDecoder(unsigned long size);
        void movieHeaderDecoder(unsigned long size);
        void trackHeaderDecoder(unsigned long size);
        void handlerDecoder(unsigned long size);
        void multipleEntriesDecoder();
        void sampleDesc(unsigned long size);
        void imageDescDecoder();
        void userDataDecoder(unsigned long size);
        void previewTagDecoder(unsigned long size);
        void keysTagDecoder(unsigned long size);
        void trackApertureTagDecoder(unsigned long size);
        void NikonTagsDecoder(unsigned long size);
        void CameraTagsDecoder(unsigned long size);
        void audioDescDecoder();
        void timeToSampleDecoder();
        void setMediaStream();
        void discard(unsigned long size);
        void aspectRatio();

    private:

        QuickTimeVideo(const QuickTimeVideo& rhs);
        QuickTimeVideo& operator=(const QuickTimeVideo& rhs);

    private:
        uint64_t timeScale_;
        int currentStream_;
        bool continueTraversing_;
        uint64_t height_, width_;

    }; //QuickTimeVideo End

// *****************************************************************************
// template, inline and free functions

    // These could be static private functions on Image subclasses but then
    // ImageFactory needs to be made a friend.
    EXIV2LIB_DEPRECATED_EXPORT Image::AutoPtr newQTimeInstance(BasicIo::AutoPtr io, bool create);

    EXIV2LIB_DEPRECATED_EXPORT bool isQTimeType(BasicIo& iIo, bool advance);

}                                       // namespace Exiv2

#endif                                  // QUICKTIMEVIDEO_HPP