D:/opendownloadmanager/ODM-1.x/Include.Add/DShow/reftime.h

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/                                                                    

#ifndef __REFTIME__
#define __REFTIME__  

const LONGLONG MILLISECONDS = (1000);            
const LONGLONG NANOSECONDS = (1000000000);       
const LONGLONG UNITS = (NANOSECONDS / 100);        

#define MILLISECONDS_TO_100NS_UNITS(lMs) \
    Int32x32To64((lMs), (UNITS / MILLISECONDS))

class CRefTime
{
public:

    REFERENCE_TIME m_time;

    inline CRefTime()
    {
        
        m_time = 0;
    };

    inline CRefTime(LONG msecs)
    {
        m_time = MILLISECONDS_TO_100NS_UNITS(msecs);
    };

    inline CRefTime(REFERENCE_TIME rt)
    {
        m_time = rt;
    };

    inline operator REFERENCE_TIME() const
    {
        return m_time;
    };

    inline CRefTime& operator=(const CRefTime& rt)
    {
        m_time = rt.m_time;
        return *this;
    };

    inline CRefTime& operator=(const LONGLONG ll)
    {
        m_time = ll;
        return *this;
    };

    inline CRefTime& operator+=(const CRefTime& rt)
    {
        return (*this = *this + rt);
    };

    inline CRefTime& operator-=(const CRefTime& rt)
    {
        return (*this = *this - rt);
    };

    inline LONG Millisecs(void)
    {
        return (LONG)(m_time / (UNITS / MILLISECONDS));
    };

    inline LONGLONG GetUnits(void)
    {
        return m_time;
    };
};

const LONGLONG TimeZero = 0;

#endif 

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