Roc Toolkit internal modules
Roc Toolkit: real-time audio streaming
Loading...
Searching...
No Matches
ticker.h
Go to the documentation of this file.
1/*
2 * Copyright (c) 2017 Roc Streaming authors
3 *
4 * This Source Code Form is subject to the terms of the Mozilla Public
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 */
8
9//! @file roc_core/ticker.h
10//! @brief Ticker.
11
12#ifndef ROC_CORE_TICKER_H_
13#define ROC_CORE_TICKER_H_
14
16#include "roc_core/panic.h"
17#include "roc_core/time.h"
18
19namespace roc {
20namespace core {
21
22//! Ticker.
23class Ticker : public NonCopyable<> {
24public:
25 //! Number of ticks.
26 typedef uint64_t ticks_t;
27
28 //! Initialize.
29 //! @remarks
30 //! @p freq defines the number of ticks per second.
31 explicit Ticker(ticks_t freq);
32
33 //! Start ticker.
34 void start();
35
36 //! Returns number of ticks elapsed since start.
37 //! If ticker is not started yet, it is started automatically.
39
40 //! Wait until the given number of ticks elapses since start.
41 //! If ticker is not started yet, it is started automatically.
43
44private:
45 const double ratio_;
46 nanoseconds_t start_;
47 bool started_;
48};
49
50} // namespace core
51} // namespace roc
52
53#endif // ROC_CORE_TICKER_H_
Base class for non-copyable objects.
Definition noncopyable.h:23
Shared ownership intrusive pointer.
Definition shared_ptr.h:32
void wait(ticks_t ticks)
Wait until the given number of ticks elapses since start. If ticker is not started yet,...
ticks_t elapsed()
Returns number of ticks elapsed since start. If ticker is not started yet, it is started automaticall...
void start()
Start ticker.
uint64_t ticks_t
Number of ticks.
Definition ticker.h:26
Ticker(ticks_t freq)
Initialize.
int64_t nanoseconds_t
Nanoseconds.
Definition time.h:58
Root namespace.
Non-copyable object.
Panic.
Time definitions.