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| 1 /* |
| 2 * Copyright (c) 2017 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 #include "webrtc/audio/time_interval.h" |
| 12 #include "webrtc/rtc_base/checks.h" |
| 13 #include "webrtc/rtc_base/timeutils.h" |
| 14 |
| 15 namespace webrtc { |
| 16 |
| 17 TimeInterval::TimeInterval() = default; |
| 18 TimeInterval::~TimeInterval() = default; |
| 19 |
| 20 void TimeInterval::Extend() { |
| 21 Extend(rtc::TimeMillis()); |
| 22 } |
| 23 |
| 24 void TimeInterval::Extend(int64_t time) { |
| 25 if (!interval_) { |
| 26 interval_.emplace(time, time); |
| 27 } else { |
| 28 if (time < interval_->first) { |
| 29 interval_->first = time; |
| 30 } |
| 31 if (time > interval_->last) { |
| 32 interval_->last = time; |
| 33 } |
| 34 } |
| 35 } |
| 36 |
| 37 void TimeInterval::Extend(const TimeInterval& other_interval) { |
| 38 if (!other_interval.Empty()) { |
| 39 Extend(other_interval.interval_->first); |
| 40 Extend(other_interval.interval_->last); |
| 41 } |
| 42 } |
| 43 |
| 44 bool TimeInterval::Empty() const { |
| 45 return !interval_; |
| 46 } |
| 47 |
| 48 int64_t TimeInterval::Length() const { |
| 49 RTC_DCHECK(interval_); |
| 50 return interval_->last - interval_->first; |
| 51 } |
| 52 |
| 53 TimeInterval::Interval::Interval(int64_t first, int64_t last) |
| 54 : first(first), last(last) {} |
| 55 |
| 56 } // namespace webrtc |
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