OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright 2008 The WebRTC Project Authors. All rights reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_BASE_TIMING_H_ | |
12 #define WEBRTC_BASE_TIMING_H_ | |
13 | |
14 namespace rtc { | |
15 | |
16 // TODO(deadbeef): Remove this and use ClockInterface instead. | |
17 class Timing { | |
18 public: | |
19 Timing(); | |
20 virtual ~Timing(); | |
21 | |
22 // WallTimeNow() returns the current wall-clock time in seconds, | |
23 // within 10 milliseconds resolution. | |
24 // WallTimeNow is static and does not require a timer_handle_ on Windows. | |
25 static double WallTimeNow(); | |
26 | |
27 // TimerNow() is like WallTimeNow(), but is monotonically | |
28 // increasing. It returns seconds in resolution of 10 microseconds | |
29 // or better. Although timer and wall-clock time have the same | |
30 // timing unit, they do not necessarily correlate because wall-clock | |
31 // time may be adjusted backwards, hence not monotonic. | |
32 // Made virtual so we can make a fake one. | |
33 // TODO(tommi): The only place we use this (virtual) is in | |
34 // rtpdata_engine_unittest.cc. See if it doesn't make more sense to change | |
35 // that contract or test than to modify this generic class. | |
36 virtual double TimerNow(); | |
37 }; | |
38 | |
39 } // namespace rtc | |
40 | |
41 #endif // WEBRTC_BASE_TIMING_H_ | |
OLD | NEW |