MPD  0.20.18
Timer.hxx
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2  * Copyright 2003-2017 The Music Player Daemon Project
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19 
20 #ifndef MPD_TIMER_HXX
21 #define MPD_TIMER_HXX
22 
23 #include <chrono>
24 
25 struct AudioFormat;
26 
27 class Timer {
28  typedef std::chrono::microseconds Time;
29 
30  Time time;
31  bool started = false;
32  const int rate;
33 public:
34  explicit Timer(AudioFormat af);
35 
36  bool IsStarted() const { return started; }
37 
38  void Start();
39  void Reset();
40 
41  void Add(size_t size);
42 
46  std::chrono::steady_clock::duration GetDelay() const;
47 
48 private:
49  static Time Now() {
50  return std::chrono::duration_cast<Time>(std::chrono::steady_clock::now().time_since_epoch());
51  }
52 };
53 
54 #endif
This structure describes the format of a raw PCM stream.
Definition: AudioFormat.hxx:37
void Add(size_t size)
std::chrono::steady_clock::duration GetDelay() const
Returns the duration to sleep to get back to sync.
Timer(AudioFormat af)
void Start()
void Reset()
Definition: Timer.hxx:27
bool IsStarted() const
Definition: Timer.hxx:36