72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/* SPDX-License-Identifier: MIT */
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/**
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@file systemtime.h
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@brief Declares the AJATime class.
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@copyright (C) 2009-2021 AJA Video Systems, Inc. All rights reserved.
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**/
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#ifndef AJA_TIME_H
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#define AJA_TIME_H
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#include "ajabase/common/public.h"
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/**
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@brief Collection of platform-independent host system clock time functions.
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@ingroup AJAGroupSystem
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**/
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class AJA_EXPORT AJATime
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{
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public:
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/**
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@brief Returns the current value of the host system's low-resolution clock, in milliseconds.
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@return The current value of the host system's low-resolution clock, in milliseconds.
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**/
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static int64_t GetSystemTime (void);
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/**
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@brief Returns the current value of the host system's high-resolution time counter.
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@return The current value of the host system's high-resolution time counter.
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**/
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static int64_t GetSystemCounter (void);
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/**
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@brief Returns the frequency of the host system's high-resolution time counter.
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@return The high resolution counter frequency in ticks per second.
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**/
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static int64_t GetSystemFrequency (void);
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/**
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@brief Returns the current value of the host's high-resolution clock, in milliseconds.
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@return Current value of the host's clock, in milliseconds, based on GetSystemCounter() and GetSystemFrequency().
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**/
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static uint64_t GetSystemMilliseconds (void);
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/**
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@brief Returns the current value of the host's high-resolution clock, in microseconds.
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@return Current value of the host's clock, in microseconds, based on GetSystemCounter() and GetSystemFrequency().
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**/
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static uint64_t GetSystemMicroseconds (void);
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/**
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@brief Returns the current value of the host's high-resolution clock, in nanoseconds.
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@return Current value of the host's clock, in nanoseconds, based on GetSystemCounter() and GetSystemFrequency().
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**/
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static uint64_t GetSystemNanoseconds (void);
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/**
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@brief Suspends execution of the current thread for a given number of milliseconds.
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@param inMilliseconds Specifies the sleep time, in milliseconds.
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**/
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static void Sleep (const int32_t inMilliseconds);
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/**
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@brief Suspends execution of the current thread for a given number of microseconds.
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@param inMicroseconds Time to sleep (microseconds).
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**/
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static void SleepInMicroseconds (const int32_t inMicroseconds);
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}; // AJATime
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#endif // AJA_TIME_H
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