Index: webrtc/audio/time_interval.cc |
diff --git a/webrtc/audio/time_interval.cc b/webrtc/audio/time_interval.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f156af06c80b68b7206a935bc174812b7fbc124d |
--- /dev/null |
+++ b/webrtc/audio/time_interval.cc |
@@ -0,0 +1,56 @@ |
+/* |
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
+ * |
+ * Use of this source code is governed by a BSD-style license |
+ * that can be found in the LICENSE file in the root of the source |
+ * tree. An additional intellectual property rights grant can be found |
+ * in the file PATENTS. All contributing project authors may |
+ * be found in the AUTHORS file in the root of the source tree. |
+ */ |
+ |
+#include "webrtc/audio/time_interval.h" |
+#include "webrtc/rtc_base/checks.h" |
+#include "webrtc/rtc_base/timeutils.h" |
+ |
+namespace webrtc { |
+ |
+TimeInterval::TimeInterval() = default; |
+TimeInterval::~TimeInterval() = default; |
+ |
+void TimeInterval::Extend() { |
+ Extend(rtc::TimeMillis()); |
+} |
+ |
+void TimeInterval::Extend(int64_t time) { |
+ if (!interval_) { |
+ interval_.emplace(time, time); |
+ } else { |
+ if (time < interval_->first) { |
+ interval_->first = time; |
+ } |
+ if (time > interval_->last) { |
+ interval_->last = time; |
+ } |
+ } |
+} |
+ |
+void TimeInterval::Extend(const TimeInterval& other_interval) { |
+ if (!other_interval.Empty()) { |
+ Extend(other_interval.interval_->first); |
+ Extend(other_interval.interval_->last); |
+ } |
+} |
+ |
+bool TimeInterval::Empty() const { |
+ return !interval_; |
+} |
+ |
+int64_t TimeInterval::Length() const { |
+ RTC_DCHECK(interval_); |
+ return interval_->last - interval_->first; |
+} |
+ |
+TimeInterval::Interval::Interval(int64_t first, int64_t last) |
+ : first(first), last(last) {} |
+ |
+} // namespace webrtc |