systemclock.h

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/********************************************************************************************
* Twitch Broadcasting SDK
*
* This software is supplied under the terms of a license agreement with Twitch Interactive, Inc. and
* may not be copied or used except in accordance with the terms of that agreement
* Copyright (c) 2012-2016 Twitch Interactive, Inc.
*********************************************************************************************/

#pragma once

#include "twitchsdk/core/types/coretypes.h"
#include "twitchsdk/core/types/errortypes.h"

#include <memory>

namespace ttv
{
    class ISystemClock;

    void SetSystemClock(const std::shared_ptr<ISystemClock>& clock);
    std::shared_ptr<ISystemClock> GetSystemClock();

    uint64_t GetSystemClockFrequency();
    uint64_t GetSystemClockTime();
    uint64_t GetSystemTimeMilliseconds();
    uint64_t SystemTimeToMs(uint64_t sysTime);
    uint64_t MsToSystemTime(uint64_t msTime);

    Timestamp GetCurrentTimeAsUnixTimestamp();
}

class ttv::ISystemClock
{
public:
    virtual ~ISystemClock();

    virtual uint64_t GetFrequency() = 0;
    virtual uint64_t GetTime() = 0;
};