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-rw-r--r--third_party/libwebrtc/api/units/frequency.cc29
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diff --git a/third_party/libwebrtc/api/units/frequency.cc b/third_party/libwebrtc/api/units/frequency.cc
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+++ b/third_party/libwebrtc/api/units/frequency.cc
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+/*
+ * Copyright (c) 2019 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/frequency.h"
+
+#include "rtc_base/strings/string_builder.h"
+
+namespace webrtc {
+std::string ToString(Frequency value) {
+ char buf[64];
+ rtc::SimpleStringBuilder sb(buf);
+ if (value.IsPlusInfinity()) {
+ sb << "+inf Hz";
+ } else if (value.IsMinusInfinity()) {
+ sb << "-inf Hz";
+ } else if (value.millihertz<int64_t>() % 1000 != 0) {
+ sb.AppendFormat("%.3f Hz", value.hertz<double>());
+ } else {
+ sb << value.hertz<int64_t>() << " Hz";
+ }
+ return sb.str();
+}
+} // namespace webrtc