42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
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/*
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* Copyright 2008 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_TIMING_H_
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#define WEBRTC_BASE_TIMING_H_
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namespace rtc {
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// TODO(deadbeef): Remove this and use ClockInterface instead.
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class Timing {
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public:
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Timing();
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virtual ~Timing();
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// WallTimeNow() returns the current wall-clock time in seconds,
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// within 10 milliseconds resolution.
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// WallTimeNow is static and does not require a timer_handle_ on Windows.
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static double WallTimeNow();
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// TimerNow() is like WallTimeNow(), but is monotonically
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// increasing. It returns seconds in resolution of 10 microseconds
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// or better. Although timer and wall-clock time have the same
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// timing unit, they do not necessarily correlate because wall-clock
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// time may be adjusted backwards, hence not monotonic.
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// Made virtual so we can make a fake one.
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// TODO(tommi): The only place we use this (virtual) is in
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// rtpdata_engine_unittest.cc. See if it doesn't make more sense to change
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// that contract or test than to modify this generic class.
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virtual double TimerNow();
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_TIMING_H_
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