VidePub Code

/*
   Copyright (C) 2011 Arnaud Champenois arthelion92@gmail.com

    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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef VIDEOSEGMENT_H
#define VIDEOSEGMENT_H
#include <QMetaType>
#include <QString>

#include "vposition.h"
#include "utils.h"

class VideoSegment
{
public:
    VideoSegment();
    ~VideoSegment();

    bool IsValid() const;
    void Clear()
    { mBegin = mEnd = VPosition(); }

    QString GetString() const
    {
       return std::MsToString(mBegin.mMsPos)+QString(" - ")
              +std::MsToString(mEnd.mMsPos);
    }

    int64_t GetLength() const
    { return (mEnd.mMsPos-mBegin.mMsPos); }

    bool operator<(const VideoSegment&b) const
    { return mBegin<b.mBegin; }

    bool Intersects(const VideoSegment&b) const
    {
        return (mBegin<=b.mEnd && mEnd>=b.mBegin);
    }

    bool IsInside(const VideoSegment&b) const
    { return (mBegin>b.mBegin && mEnd<b.mEnd); }

    bool Union(const VideoSegment&b)
    {
        if(!Intersects(b)) return false;
        if(b.mBegin<mBegin) mBegin = b.mBegin;
        if(b.mEnd>mEnd) mEnd = b.mEnd;
        return true;
    }

    int mID;
    VPosition mBegin;
    VPosition mEnd;

private:
    static int mIDCounter;
};

 Q_DECLARE_METATYPE(VideoSegment)

#endif // VIDEOSEGMENT_H