|  | /* | 
|  | *  Copyright (c) 2018 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 "api/units/time_delta.h" | 
|  |  | 
|  | #include "api/array_view.h" | 
|  | #include "rtc_base/strings/string_builder.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | std::string ToString(TimeDelta value) { | 
|  | char buf[64]; | 
|  | rtc::SimpleStringBuilder sb(buf); | 
|  | if (value.IsPlusInfinity()) { | 
|  | sb << "+inf ms"; | 
|  | } else if (value.IsMinusInfinity()) { | 
|  | sb << "-inf ms"; | 
|  | } else { | 
|  | if (value.us() == 0 || (value.us() % 1000) != 0) | 
|  | sb << value.us() << " us"; | 
|  | else if (value.ms() % 1000 != 0) | 
|  | sb << value.ms() << " ms"; | 
|  | else | 
|  | sb << value.seconds() << " s"; | 
|  | } | 
|  | return sb.str(); | 
|  | } | 
|  | }  // namespace webrtc |