cxStreamedTimestampSynchronizer.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/
 
#ifndef STREAMEDTIMESTAMPSYNCHRONIZER_H
#define STREAMEDTIMESTAMPSYNCHRONIZER_H
 
#include "cxResourceExport.h"
 
 
#include <vector>
#include "boost/shared_ptr.hpp"
#include <QDateTime>
#include "cxForwardDeclarations.h"
 
namespace cx
{
 
class cxResource_EXPORT StreamedTimestampSynchronizer
{
public:
    StreamedTimestampSynchronizer();
    void syncToCurrentTime(ImagePtr imgMsg);
 
    void addTimestamp(QDateTime timestamp);
    void addTimestamp(double timestamp);
 
    double getShift() const;
 
private:
    template<class ITER>
    double average(ITER begin, ITER end) const;
 
    mutable double mLastComputedTimestampShift;
    QList<double> mDeltaWindow;
    int mMaxWindowSize;
};
 
 
} //end namespace cx
 
#endif // STREAMEDTIMESTAMPSYNCHRONIZER_H