1 /* 2 * Copyright (c) 2019 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 #include "api/units/frequency.h" 11 12 #include "rtc_base/strings/string_builder.h" 13 14 namespace webrtc { ToString(Frequency value)15std::string ToString(Frequency value) { 16 char buf[64]; 17 rtc::SimpleStringBuilder sb(buf); 18 if (value.IsPlusInfinity()) { 19 sb << "+inf Hz"; 20 } else if (value.IsMinusInfinity()) { 21 sb << "-inf Hz"; 22 } else if (value.millihertz<int64_t>() % 1000 != 0) { 23 sb.AppendFormat("%.3f Hz", value.hertz<double>()); 24 } else { 25 sb << value.hertz<int64_t>() << " Hz"; 26 } 27 return sb.str(); 28 } 29 } // namespace webrtc 30