asfvideo.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 ASFVIDEO_HPP
#define ASFVIDEO_HPP

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

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

namespace Exiv2 {

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

    // Add ASF to the supported image formats
    namespace ImageType {
        const int asf = 24; 
    }

    class EXIV2LIB_DEPRECATED_EXPORT AsfVideo:public Image
    {
    public:


        AsfVideo(BasicIo::AutoPtr io);


        void readMetadata();
        void writeMetadata();


        std::string mimeType() const;

    protected:
        void decodeBlock();
        void tagDecoder(const Internal::TagVocabulary* tv, uint64_t size);
        void fileProperties();
        void streamProperties();
        void codecList();
        void contentDescription(uint64_t size);
        void extendedStreamProperties(uint64_t size);
        void headerExtension(uint64_t size);
        void metadataHandler(int meta = 1);
        void aspectRatio();

    private:

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

    private:
        bool continueTraversing_;
        uint64_t localPosition_;
        int streamNumber_;
        uint64_t height_, width_;

    }; //Class AsfVideo

// *****************************************************************************
// 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 newAsfInstance(BasicIo::AutoPtr io, bool create);

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

}                                       // namespace Exiv2

#endif                                  // #ifndef ASFVIDEO_HPP_