41 lines
781 B
C++
41 lines
781 B
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#ifndef MPD_TIMER_HXX
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#define MPD_TIMER_HXX
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#include <chrono>
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struct AudioFormat;
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class Timer {
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typedef std::chrono::microseconds Time;
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Time time;
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bool started = false;
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const int rate;
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public:
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explicit Timer(AudioFormat af) noexcept;
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bool IsStarted() const noexcept { return started; }
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void Start() noexcept;
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void Reset() noexcept;
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void Add(size_t size) noexcept;
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/**
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* Returns the duration to sleep to get back to sync.
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*/
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[[gnu::pure]]
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std::chrono::steady_clock::duration GetDelay() const noexcept;
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private:
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[[gnu::pure]]
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static Time Now() noexcept {
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return std::chrono::duration_cast<Time>(std::chrono::steady_clock::now().time_since_epoch());
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}
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};
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#endif
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