| /* | 
 |  *  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 |