From 667f7a7ed73d0443d29ea81233289b917795b7e8 Mon Sep 17 00:00:00 2001
From: Sebastian Jansson <srte@webrtc.org>
Date: Thu, 29 Mar 2018 17:18:20 +0200
Subject: [PATCH] Added conversion to double from network time units.
MIME-Version: 1.0
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Bug: None
Change-Id: Ib936bb232418fdd06b48f9c5bea1d2b1c80a09b1
Reviewed-on: https://webrtc-review.googlesource.com/65541
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22710}
---
 .../network_control/include/network_units.h   |  5 +++++
 .../network_control/network_units.cc          | 21 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/modules/congestion_controller/network_control/include/network_units.h b/modules/congestion_controller/network_control/include/network_units.h
index 60cbb519d9..4a61c747bb 100644
--- a/modules/congestion_controller/network_control/include/network_units.h
+++ b/modules/congestion_controller/network_control/include/network_units.h
@@ -67,6 +67,9 @@ class TimeDelta {
     return microseconds_;
   }
   TimeDelta Abs() const { return TimeDelta::us(std::abs(us())); }
+
+  double SecondsAsDouble() const;
+
   bool IsZero() const { return microseconds_ == 0; }
   bool IsFinite() const { return IsInitialized() && !IsInfinite(); }
   bool IsInitialized() const {
@@ -188,6 +191,8 @@ class Timestamp {
     microseconds_ += other.us();
     return *this;
   }
+
+  double SecondsAsDouble() const;
   bool operator==(const Timestamp& other) const {
     return microseconds_ == other.microseconds_;
   }
diff --git a/modules/congestion_controller/network_control/network_units.cc b/modules/congestion_controller/network_control/network_units.cc
index 806ad977de..a04eef7e90 100644
--- a/modules/congestion_controller/network_control/network_units.cc
+++ b/modules/congestion_controller/network_control/network_units.cc
@@ -19,6 +19,27 @@ TimeDelta TimeDelta::operator*(double scalar) const {
 DataSize DataSize::operator*(double scalar) const {
   return DataSize::bytes(std::round(bytes() * scalar));
 }
+double TimeDelta::SecondsAsDouble() const {
+  if (IsPlusInfinity()) {
+    return std::numeric_limits<double>::infinity();
+  } else if (IsMinusInfinity()) {
+    return -std::numeric_limits<double>::infinity();
+  } else if (!IsInitialized()) {
+    return std::numeric_limits<double>::signaling_NaN();
+  } else {
+    return us() * 1e-6;
+  }
+}
+
+double Timestamp::SecondsAsDouble() const {
+  if (IsInfinite()) {
+    return std::numeric_limits<double>::infinity();
+  } else if (!IsInitialized()) {
+    return std::numeric_limits<double>::signaling_NaN();
+  } else {
+    return us() * 1e-6;
+  }
+}
 
 DataRate DataRate::operator*(double scalar) const {
   return DataRate::bytes_per_second(std::round(bytes_per_second() * scalar));