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b9b146c9fe
This is a no-op change because rtc::Optional is an alias to absl::optional
This CL generated by running script with parameters 'audio call video':
#!/bin/bash
find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+
find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"(../)*api:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;
git cl format
Bug: webrtc:9078
Change-Id: I02c5db956846a88a268a300ba086703a02d62e36
Reviewed-on: https://webrtc-review.googlesource.com/83722
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23628}
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
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* Copyright (c) 2017 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 AUDIO_TIME_INTERVAL_H_
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#define AUDIO_TIME_INTERVAL_H_
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#include <stdint.h>
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#include "absl/types/optional.h"
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namespace webrtc {
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// This class logs the first and last time its Extend() function is called.
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//
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// This class is not thread-safe; Extend() calls should only be made by a
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// single thread at a time, such as within a lock or destructor.
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//
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// Example usage:
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// // let x < y < z < u < v
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// rtc::TimeInterval interval;
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// ... // interval.Extend(); // at time x
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// ...
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// interval.Extend(); // at time y
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// ...
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// interval.Extend(); // at time u
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// ...
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// interval.Extend(z); // at time v
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// ...
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// if (!interval.Empty()) {
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// int64_t active_time = interval.Length(); // returns (u - x)
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// }
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class TimeInterval {
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public:
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TimeInterval();
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~TimeInterval();
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// Extend the interval with the current time.
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void Extend();
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// Extend the interval with a given time.
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void Extend(int64_t time);
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// Take the convex hull with another interval.
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void Extend(const TimeInterval& other_interval);
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// True iff Extend has never been called.
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bool Empty() const;
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// Returns the time between the first and the last tick, in milliseconds.
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int64_t Length() const;
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private:
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struct Interval {
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Interval(int64_t first, int64_t last);
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int64_t first, last;
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};
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absl::optional<Interval> interval_;
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};
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} // namespace webrtc
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#endif // AUDIO_TIME_INTERVAL_H_
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